CN107379952B - A kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable - Google Patents

Abstract

The present invention proposes a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable, break through the power-supplying forms of traditional electric vehicle, including replaceable stand-by power battery, with the loading attachment for loading stand-by power battery, comprehensive vibrations buffering can be carried out to stand-by power battery, security protection is comprehensively effective, ensure that stand-by power battery is not hit and damages, and the disassembling operations of stand-by power battery are flexible and convenient, and power is lasting, highly practical.

Description

A kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable

Technical field

The present invention relates to electric vehicle fields, and in particular to a kind of low speed New energy electric that power in environmental protection source is conveniently replaceable Vehicle.

Background technology

Electric vehicle belongs to new-energy automobile, has long-range development prospect, and especially low-speed electronic automobile is more environmentally-friendly, The structure of traditional electric vehicle has been known, and generally comprises car body, and the car body has controller, motive power electricity The coulometric detector in pond and detection motive power battery capacity.But it is in actual use, motive power battery often occurs The case where not enough power supply, inconvenient charging on the way, and the charging time is long, and many troubles are brought to user.

In consideration of it, inventor furthers investigate the above problem, there is this case generation then.

Invention content

Comprehensive vibrations buffering, security protection can be carried out to stand-by power battery the purpose of the present invention is to provide a kind of Comprehensively effectively, it is ensured that the low speed New energy electric that the power in environmental protection source that stand-by power battery is not hit and damages is conveniently replaceable Vehicle, and the disassembling operations of stand-by power battery are flexible and convenient, and power is lasting, highly practical.

In order to achieve the above object, the present invention uses such technical solution：

A kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable, including car body, the car body tool There are controller, motive power battery and the coulometric detector for detecting motive power battery capacity；Further include that replaceable stand-by power is electric Pond, and load the loading attachment of stand-by power battery；

The stand-by power battery and the motive power cell parallel, the motive power battery have by the controller control First control switch of system, the stand-by power battery has to be switched by the second control that the controller controls；It is described former dynamic Circuit where power battery is the first branch, and circuit where the stand-by power battery is the second branch, the first branch and the Two branches have the first node in one end and a second node in the other end, and the first control switch is set to described the One road is set in the second branch close to the first node, the second control switch close to the first node； Third branch is also associated between the first branch and the second branch, the third branch road is equipped with to be controlled by the controller Third control switch；The third branch has the third node being connect with the first branch and connects with the second branch The fourth node connect, the third node is between the motive power battery and the first control switch, at the fourth node Between the stand-by power battery and the second control switch；

The loading attachment includes the loading main body being below and the loading lid in top；The stand-by power electricity Pond has a battery upper side upward, battery downside directed downwardly, and in laterally adjacent battery first face, electricity successively The 4th side of pond second side, battery third side and battery；The loading main body includes and the battery first face, battery Second side, the corresponding first side buffer unit in battery third side and the 4th side of battery, the second side buffer unit, Three side buffer units and the 4th side buffer unit；

First side buffer unit includes the first pedestal and is carried out towards the battery first face on the first pedestal The first buffer unit that elasticity is supported；First buffer unit includes horizontally arranged and parallel in the battery first face First cylindrical portion, be formed in the first cylindrical portion and along the first cylindrical portion extend and support below the stand-by power battery First supporting part, and be formed in the first cylindrical portion and extend along the first cylindrical portion and opposite with the battery first face the One top；On the cross section of first buffer unit, the central angle number of degrees corresponding to first cylindrical portion are more than institute State the central angle number of degrees corresponding to the first supporting part and the first top；The First body is formed with towards the battery first Side and the first storage tank for housing first cylindrical portion, first storage tank have inside on be in upside first Face, first time medial surface in downside and in slot bottom first groove bottom parallel with the battery first face；It is described Medial surface is equal with the diameter of the first cylindrical portion to the distance between first time medial surface on first；First circle Column portion is equipped with first rotating shaft, and the axis of the first rotating shaft is in the upper edge of first storage tank and lower edge place is put down In face, first cylindrical portion has prominent curved portion and protrusion on first protruded from the outside of first storage tank top edge First time prominent curved portion on the outside of the first storage tank lower edge；The first rotating shaft and first groove bottom pass through Horizontally disposed head rod connection, the head rod is articulated with first groove bottom can carry out turning over up and down Turn；First top has the first support surface and corresponding first storage tank top of the corresponding battery first face Edge and lower end and the first upper limit plane that prominent curved portion is connected on described first, first upper limit plane and described first There is gap angle on first, first support surface is resisted against the first side of the battery equipped with elasticity between storage tank top edge The first elastic layer to thicken on face and gradually from the bottom to top；First elastic layer is only connect with first support surface, and with First supporting part sliding contact；First elastic layer has the first Elastic Contact towards the battery first face Face, first Elastic Contact face include in the lower part first vertical contact surface peace parallel with the battery first face Slip is above the first lower contact surface and is gradually contacted from the bottom to top towards the first arc that first pedestal direction is bent Face, the first elastic connecting contacting surface are covered with the first resin smooth layer；First supporting part has on the downside of the corresponding battery Face and with the first support face that first support surface lower end is connected, the first lower surface directed downwardly and corresponding described first accommodating The first lower limit plane that slot lower edge and upper end are connected with described first time prominent curved portion, the first lower limit plane and institute Stating has first time gap angle between the first storage tank lower edge；First cylindrical portion is formed with the accommodating first rotating shaft The first strip-shaped hole, first strip-shaped hole is horizontally disposed, and first strip-shaped hole has towards the battery first face First distal shaft end and the first proximal ends towards first storage tank, first proximal ends are the week with the first rotating shaft Arc-shaped and the first proximal ends the axis that face matches is identical as the axis of the first cylindrical portion, first distal shaft end to circular arc The distance of the first proximal ends axis of shape is more than first distal shaft end to the distance of the first rotating shaft axis, and described the It is opened between one shaft and first distal shaft end and is equipped with the first buffering compression spring；On described first medial surface be formed with it is multiple with it is described The first parallel upper hopper chute of head rod, first time medial surface are formed with multiple parallel with the head rod The first gliding groove, the circumferential surface of first cylindrical portion be formed with multiple axis perpendiculars with the first cylindrical portion and with it is each above-mentioned First upper hopper chute and the first gliding groove match the first annular protrusion of sliding；First buffer unit is equipped with holding first The first state of buffer unit rollover states keeps tension spring, the first state that tension spring is kept to have and first buffer unit First tension spring upper end of connection and the first tension spring lower end being connect with first pedestal lower part, first buffer unit are equipped with Interconnecting piece on first connect with first tension spring upper end, first pedestal are equipped with and connect with first tension spring upper end First time interconnecting piece；The line for defining first time interconnecting piece and the first rotating shaft center is the first line, described first The line of interconnecting piece is the second line on spindle central and described first, and the top extended line of first line is in described the The top of the top extended line of two lines, the top extended line of the top extended line of first line and second line it Between the angle number of degrees be described first on the gap angle number of degrees half；

The second side buffer unit includes the second pedestal and is carried out towards the battery second side on the second pedestal The second buffer unit that elasticity is supported；Second buffer unit includes horizontally arranged and parallel in the battery second side Second cylindrical portion, be formed in the second cylindrical portion and along the second cylindrical portion extend and support below the stand-by power battery Second supporting part, and be formed in the second cylindrical portion and extend along the second cylindrical portion and opposite with the battery second side the Two tops；On the cross section of second buffer unit, the central angle number of degrees corresponding to second cylindrical portion are more than institute State the central angle number of degrees corresponding to the second supporting part and the second top；Second pedestal is formed with towards the battery second Side and the second storage tank for housing second cylindrical portion, second storage tank have inside on be in upside second Face, second time medial surface in downside and in slot bottom second groove bottom parallel with the battery second side；It is described Medial surface is equal with the diameter of the second cylindrical portion to the distance between second time medial surface on second；Second circle Column portion is equipped with the second shaft, and the axis of second shaft is in the upper edge of second storage tank and lower edge place is put down In face, second cylindrical portion has prominent curved portion and protrusion on second protruded from the outside of second storage tank top edge Second time prominent curved portion on the outside of the second storage tank lower edge；Second shaft and second groove bottom pass through Horizontally disposed second connecting rod connection, second connecting rod is articulated with second groove bottom can carry out turning over up and down Turn；Second top has the second support surface and corresponding second storage tank top of the corresponding battery second side Edge and lower end and the second upper limit plane that prominent curved portion is connected on described second, second upper limit plane and described second There is gap angle on second, second support surface is resisted against the battery the second side equipped with elasticity between storage tank top edge The second elastic layer to thicken on face and gradually from the bottom to top；Second elastic layer is only connect with second support surface, and with Second supporting part sliding contact；Second elastic layer has the second Elastic Contact towards the battery second side Face, second Elastic Contact face include in the lower part second vertical contact surface peace parallel with the battery second side Slip is above the second lower contact surface and is gradually contacted from the bottom to top towards the second arc that second pedestal direction is bent Face, the second elastic connecting contacting surface are covered with the second resin smooth layer；Second supporting part has on the downside of the corresponding battery Face and with the second support face that second support surface lower end is connected, the second lower surface directed downwardly and corresponding described second accommodating The second lower limit plane that slot lower edge and upper end are connected with described second time prominent curved portion, the second lower limit plane and institute Stating has second time gap angle between the second storage tank lower edge；Second cylindrical portion is formed with accommodating second shaft The second strip-shaped hole, the second bar shaped hole horizontal setting, second strip-shaped hole has towards the battery second side Second distal shaft end and the second proximal ends towards second storage tank, second proximal ends are the week with second shaft Arc-shaped and the second proximal ends the axis that face matches is identical as the axis of the second cylindrical portion, second distal shaft end to circular arc The distance of the second proximal ends axis of shape is more than second distal shaft end to the distance of second shaft axis, and described the It is opened between two shafts and second distal shaft end and is equipped with the second buffering compression spring；On described second medial surface be formed with it is multiple with it is described The second parallel upper hopper chute of second connecting rod, second time medial surface are formed with multiple parallel with second connecting rod The second gliding groove, the circumferential surface of second cylindrical portion be formed with multiple axis perpendiculars with the second cylindrical portion and with it is each above-mentioned Second upper hopper chute and the second gliding groove match the second annular protrusion of sliding；Second buffer unit is equipped with holding second Second state of buffer unit rollover states keeps tension spring, second state that tension spring is kept to have and second buffer unit Second tension spring upper end of connection and the second tension spring lower end being connect with second pedestal lower part, second buffer unit are equipped with Interconnecting piece on second connect with second tension spring upper end, second pedestal are equipped with and connect with second tension spring upper end Second time interconnecting piece；The line for defining second time interconnecting piece and second spindle central is third line, described second The line of interconnecting piece is the 4th line on spindle central and described second, and the top extended line of the third line is in described the The top of the top extended line of four lines, between the top extended line and the top extended line of the 4th line of the third line The angle number of degrees are the half of the gap angle number of degrees on described second；

Third side buffer unit includes third pedestal and is carried out towards battery third side on third pedestal The third buffer unit that elasticity is supported；The third buffer unit includes horizontally arranged and parallel in battery third side Third post portion, be formed in third cylindrical portion and extend along third cylindrical portion and support below the stand-by power battery the Three supporting parts, and be formed in third cylindrical portion and extend along third cylindrical portion and the third opposite with battery third side Top；On the cross section of the third buffer unit, the central angle number of degrees corresponding to the third cylindrical portion are more than described The central angle number of degrees corresponding to third supporting part and third top；The third pedestal is formed with towards battery third side Face and house the third cylindrical portion third storage tank, the third storage tank have in upside third on medial surface, Medial surface and in the slot bottom third groove bottom parallel with battery third side under third in downside；The third The distance between medial surface is equal with the diameter of third cylindrical portion under upper medial surface to the third；The third cylindrical portion It is equipped with third shaft, the axis of the third shaft is in upper edge and the lower edge place plane of the third storage tank Interior, the third cylindrical portion has prominent curved portion in the third protruded from the outside of third storage tank top edge and protrudes from Prominent curved portion under third on the outside of the third storage tank lower edge；The third shaft and the third groove bottom pass through water The third connecting rod connection of flat setting, the third connecting rod is articulated with the third groove bottom can carry out turning over up and down Turn；The third top has third support surface and the corresponding third storage tank top of corresponding battery third side Edge and lower end and the third upper limit plane that prominent curved portion is connected in the third, the third upper limit plane and the third There is gap angle in third, the third support surface is resisted against battery third side equipped with elasticity between storage tank top edge The third elastic layer to thicken on face and gradually from the bottom to top；The third elastic layer is only connect with the third support surface, and with Third supporting part sliding contact；The third elastic layer has the third Elastic Contact towards battery third side Face, third Elastic Contact face include the vertical contact surface peace of the third parallel with battery third side in lower part Slip is above third lower contact surface and is gradually contacted from the bottom to top towards the third arc that third pedestal direction is bent Face, the third elastic connecting contacting surface are covered with third resin smooth layer；The third supporting part has on the downside of the corresponding battery Face is simultaneously accommodating with the third support face, third lower surface directed downwardly and the corresponding third that third support surface lower end is connected Slot lower edge and upper end and the third lower limit plane that prominent curved portion is connected under the third, the third lower limit plane and institute Stating has gap angle under third between third storage tank lower edge；The third cylindrical portion is formed with the accommodating third shaft Third strip-shaped hole, third bar shaped hole horizontal setting, the third strip-shaped hole has towards battery third side Third distal shaft end and third proximal ends towards the third storage tank, the third proximal ends are the week with the third shaft Arc-shaped and third proximal ends the axis that face matches is identical as the axis of third cylindrical portion, third distal shaft end to circular arc The distance of the third proximal ends axis of shape is more than third distal shaft end to the distance of the third shaft axis, and described the It is opened between three shafts and third distal shaft end and is equipped with third buffering compression spring；In the third medial surface be formed with it is multiple with it is described The parallel third upper hopper chute of third connecting rod, medial surface is formed with multiple parallel with the third connecting rod under the third Third gliding groove, the circumferential surface of the third cylindrical portion be formed with multiple axis perpendiculars with third cylindrical portion and with it is each above-mentioned Third upper hopper chute and third gliding groove match the third annular protrusion of sliding；The third buffer unit is equipped with holding third The third state of buffer unit rollover states keeps tension spring, the third state that tension spring is kept to have and the third buffer unit The third tension spring upper end of connection and the third tension spring lower end being connect with third pedestal lower part, the third buffer unit are equipped with Interconnecting piece in the third being connect with third tension spring upper end, the third pedestal are equipped with and connect with third tension spring upper end Interconnecting piece under third；It is the 5th line, the third to define the line of interconnecting piece and the third spindle central under the third The line of interconnecting piece is the 6th line in spindle central and the third, and the top extended line of the 5th line is in described the The top of the top extended line of six lines, between the top extended line and the top extended line of the 6th line of the 5th line The angle number of degrees are the half of the gap angle number of degrees in the third；

The 4th side buffer unit includes the 4th pedestal and is carried out towards the 4th side of the battery on the 4th pedestal The 4th buffer unit that elasticity is supported；4th buffer unit includes horizontally arranged and parallel in the 4th side of the battery 4th column portion, be formed in the 4th cylindrical portion and extend along the 4th cylindrical portion and support below the stand-by power battery the Four supporting parts, and be formed in the 4th cylindrical portion and extend along the 4th cylindrical portion and the opposite with the 4th side of the battery the 4th Top；On the cross section of the 4th buffer unit, the central angle number of degrees corresponding to the 4th cylindrical portion are more than described The central angle number of degrees corresponding to 4th supporting part and the 4th top；4th pedestal is formed with towards the 4th side of the battery Face and house the 4th cylindrical portion the 4th storage tank, the 4th storage tank have in upside the 4th on medial surface, Four times medial surfaces in downside and in slot bottom fourth groove bottom parallel with the 4th side of the battery；Described 4th Upper medial surface is equal with the diameter of the 4th cylindrical portion to the distance between four times medial surfaces；4th cylindrical portion It is equipped with the 4th shaft, the axis of the 4th shaft is in upper edge and the lower edge place plane of the 4th storage tank Interior, the 4th cylindrical portion has prominent curved portion on the protrude from the outside of the 4th storage tank top edge the 4th and protrudes from The four times prominent curved portions on the outside of the 4th storage tank lower edge；4th shaft and the 4th groove bottom pass through water The 4th connecting rod connection of flat setting, the 4th connecting rod is articulated with the 4th groove bottom can carry out turning over up and down Turn；4th top has the 4th support surface of corresponding the 4th side of battery and the corresponding 4th storage tank top Edge and lower end and the 4th upper limit plane that prominent curved portion is connected on the described 4th, the 4th upper limit plane and the described 4th There is gap angle on the 4th, the 4th support surface is resisted against the 4th side of the battery equipped with elasticity between storage tank top edge The 4th elastic layer to thicken on face and gradually from the bottom to top；4th elastic layer is only connect with the 4th support surface, and with The 4th supporting part sliding contact；4th elastic layer has the 4th Elastic Contact towards the 4th side of the battery Face, the 4th Elastic Contact face include in the lower part fourth vertical contact surface peace parallel with the 4th side of the battery Slip is above the 4th lower contact surface and is gradually contacted from the bottom to top towards the 4th arc that the 4th pedestal direction is bent Face, the 4th elastic connecting contacting surface are covered with the 4th resin smooth layer；4th supporting part has on the downside of the corresponding battery Face and with the 4th support face that the 4th support surface lower end is connected, the 4th lower surface directed downwardly and corresponding described 4th accommodating The 4th lower limit plane that slot lower edge and upper end are connected with described the four times prominent curved portions, the 4th lower limit plane and institute Stating has the four times gap angles between the 4th storage tank lower edge；4th cylindrical portion is formed with accommodating 4th shaft Article 4 shape hole, Article 4 shape hole horizontal setting, Article 4 shape hole has towards the 4th side of the battery 4th distal shaft end and the 4th proximal ends towards the 4th storage tank, the 4th proximal ends are the week with the 4th shaft Arc-shaped and the 4th proximal ends the axis that face matches is identical as the axis of the 4th cylindrical portion, the 4th distal shaft end to circular arc The distance of the 4th proximal ends axis of shape is more than the 4th distal shaft end to the distance of the 4th shaft axis, and described the It is opened between four shafts and the 4th distal shaft end and is equipped with the 4th buffering compression spring；On described 4th medial surface be formed with it is multiple with it is described The 4th parallel upper hopper chute of 4th connecting rod, the four times medial surfaces are formed with multiple parallel with the 4th connecting rod The 4th gliding groove, the circumferential surface of the 4th cylindrical portion be formed with multiple axis perpendiculars with the 4th cylindrical portion and with it is each above-mentioned 4th upper hopper chute and the 4th gliding groove match the fourth annular protrusion of sliding；4th buffer unit is equipped with holding the 4th 4th state of buffer unit rollover states keeps tension spring, the 4th state that tension spring is kept to have and the 4th buffer unit 4th tension spring upper end of connection and the 4th tension spring lower end being connect with the 4th pedestal lower part, the 4th buffer unit are equipped with Interconnecting piece on the 4th connect with the 4th tension spring upper end, the 4th pedestal are equipped with and are connect with the 4th tension spring upper end The four times interconnecting pieces；The line for defining the four times interconnecting pieces and the 4th spindle central is the 7th line, the described 4th The line of interconnecting piece is the 8th line on spindle central and the described 4th, and the top extended line of the 7th line is in described the The top of the top extended line of eight lines, between the top extended line and the top extended line of the 8th line of the 7th line The angle number of degrees are the half of the gap angle number of degrees on the described 4th；

First support face has the first support face edge below the stand-by power battery, and described second holds There is support the second support face edge below the stand-by power battery, third support face to have in described standby With the third support face edge below power battery, the 4th support face has the below the stand-by power battery Four support faces edge；The battery first face to first support face edge distance be more than first buffer unit to The maximum distance slided in first storage tank, the distance at the battery second side to second support face edge are more than The maximum distance that second buffer unit is slided into second storage tank, battery third side to the third are held The distance at support edge is more than the maximum distance slided into the third storage tank of the third buffer unit, the battery the The distance at four sides to the 4th support face edge is more than what the 4th buffer unit was slided into the 4th storage tank Maximum distance；

The loading lid includes cap body, and carries out what elasticity pushing was supported to the top of the stand-by power battery Device is supported in pushing；The cap body have be articulated at the top of the buffer unit of first side can carry out up and down turn over The pivot end turned, and with the buckle end that is fastened togather at the top of the buffer unit of the third side；The following table of the cap body Face is formed with the lower groove that device is supported in the accommodating pushing, and it includes being placed in the lower groove that device is supported in the pushing Block and multidirectional buffer unit are supported in pushing；The lower groove in a rectangular parallelepiped shape, has the recessed groove bottom wall in top and divides Not parallel with the battery first face, battery second side, battery third side and the 4th side of battery first is recessed Groove sidewall, the second recessed groove sidewall, the recessed groove sidewall of third and the 4th recessed groove sidewall；It is in cuboid that block is supported in the pushing Shape, and there is gap between the madial wall of the lower groove；The pushing supports block with opposite with the recessed groove bottom wall That answers supports block roof, and block bottom wall is supported towards the stand-by power battery, and to correspond to described first respectively successively recessed Groove sidewall, the second recessed groove sidewall, the recessed groove sidewall of third and the 4th recessed groove sidewall first support block side wall, second support Block side wall, third support block side wall and the 4th and support block side wall；The multidirectional buffer unit includes being located at the lower groove bottom Wall and support the compression spring between block roof, be located at the described first recessed groove sidewall and first support between block side wall first Side pressure spring is located at the described second recessed groove sidewall and second and supports the second side pressure spring between block side wall, is located at described Three recessed groove sidewalls and third support the third side pressure spring between block side wall, and are located at the 4th recessed groove sidewall and Four support the 4th side pressure spring between block side wall；It is described support that block bottom wall is formed with downwardly projecting positive tetrapyamid shape support positioning Protrusion, the stand-by power battery are formed with the matching positioning groove of supporting for supporting positioning protrusion, and described support The height of positioning protrusion is more than the depth for supporting positioning groove；

The loading attachment further includes in first side buffer unit, the second side buffer unit, third side buffering dress It sets and first lower surface, the second lower surface, third lower surface and the 4th lower surface is carried out with below the 4th side buffer unit That supports supports device.

After adopting the above technical scheme, the low speed new energy electric motor vehicle that the power in environmental protection source of the present invention is conveniently replaceable, breaks through Detection signal is simultaneously sent to control by the power-supplying forms of traditional electric vehicle, the electricity of coulometric detector detection motive power battery Device, when motive power battery capacity will exhaust, controller control the first control switch is opened, the second control switch is closed, standby It is enabled with power battery, electric vehicle restores sufficient electric power again；Or controller control the first control switch is opened, the second control Switch is closed, third control switch is closed, and stand-by power battery is enabled to electric vehicle power supply and filled simultaneously to motive power battery Electricity；Or controller only controls third control switch closed pair motive power battery charging, while motive power battery supplies electric vehicle Electricity, each mode can carry out selection operation by driver according to actual conditions.In actual use, loading attachment can be to spare Power battery carries out safety carrying, and stand-by power battery can be dismounted flexibly, specifically, when need will be spare It when power battery is packed into bogey, first opens and loads lid, stand-by power battery is suitably put into the first side buffer unit, the Between two side buffer units, third side buffer unit and the 4th side buffer unit, make lower end and the first bullet of stand-by power battery The first resin smooth layer on property contact surface, the second resin smooth layer in the second elastic connecting contacting surface, in third elastic connecting contacting surface Third resin smooth layer and the 4th elastic connecting contacting surface on the 4th resin smooth layer contact, overturning load lid be gradually closed, Supported under making device support positioning protrusion and stand-by power battery to support positioning groove corresponding, load lid it is gradual under Pressure, is matched using positioning protrusion is supported with positioning groove is supported, while utilizing the first side pressure spring of multidirectional buffer unit, second Side pressure spring, third side pressure spring and the 4th side pressure spring supported under device carry out adapt to and elasticity correction, stand-by power battery to Positioning and guiding is carried out to stand-by power battery in lower motion process, stand-by power battery is suitable along arc and inclined each smooth layer Gesture moves downward, while gradually pressing to the first elastic layer, the second elastic layer, third elastic layer and the 4th elastic layer, the Posterior limiting, the second elastic layer, third elastic layer and the 4th elastic layer gradually carry out elastic clamping to stand-by power battery jointly, The first buffer unit, the second buffer unit, third buffer unit and the 4th buffer unit rely on respective first turn respectively simultaneously Axis, the second shaft, third shaft and the 4th shaft overturn and push the first cylindrical portion, the second cylindrical portion, third circle gradually downward Column portion and the 4th cylindrical portion respectively to the first storage tank of the first pedestal, the second storage tank of the second pedestal, third pedestal Sliding in 4th storage tank of three storage tanks and the 4th pedestal, the first cylindrical portion, the second cylindrical portion, third cylindrical portion and the 4th circle Column portion be utilized respectively in sliding process first annular protrusion matched with the first upper hopper chute and the first gliding groove, the second convex annular Rise matched with the second upper hopper chute and the second gliding groove, third annular protrusion matched with third upper hopper chute and third gliding groove with And fourth annular protrusion is matched and is oriented to the 4th upper hopper chute and the 4th gliding groove, it is ensured that the first cylindrical portion, the second cylinder Portion, third cylindrical portion and the 4th cylindrical portion are not in deflection in the horizontal plane in sliding process, and first rotating shaft, Two shafts, third shaft and the 4th shaft are utilized respectively head rod, the second connecting rod, third connecting rod and the 4th connecting rod Freely swing up and down to adapt to appointing for the first strip-shaped hole, the second strip-shaped hole, third strip-shaped hole and Article 4 shape hole respectively Meaning angle of inclination, and then make first rotating shaft, the second shaft, third shaft and the 4th shaft can be respectively in the first strip-shaped hole, second It is arbitrarily slided in strip-shaped hole, third strip-shaped hole and Article 4 shape hole and respectively to the first buffer spring, the second buffer spring, third Buffer spring and the 4th buffer spring are compressed, to gradually increase the first buffer unit, the second buffer unit, third buffering Component and the 4th buffer unit are supported when the lower end of stand-by power battery and are held first to the elastic clip clamp force of stand-by power battery After on support, the second support face, third support face and the 4th support face, with the first buffer unit, the second buffer unit, third Buffer unit and the 4th buffer unit more downwardly turn over, the first buffer unit, the second buffer unit, third buffer unit and the 4th Buffer unit is stronger to the elastic clip clamp force of stand-by power battery, makes the first buffer unit, the second buffer unit, third buffering Component and the 4th buffer unit have the tendency that being intended to be flipped up, the first buffer unit, the second buffer unit, third buffer unit The first support face, the second support face, third support face and the 4th support is utilized to face stand-by power naturally with the 4th buffer unit Battery generates upward flexible support power, and compression spring generates stand-by power battery pressure under downward elasticity, until loading When lid is closed in loading main body and is fastened togather with third pedestal, the first strip-shaped hole, the second strip-shaped hole, third strip-shaped hole It is in same level with head rod, the second connecting rod, third connecting rod and the 4th connecting rod with Article 4 shape hole, The power of all directions suffered by stand-by power battery reaches balance, and first state keeps tension spring, the second state to keep tension spring, third shape State keeps tension spring and the 4th state to keep tension spring respectively to the first buffer unit, the second buffer unit, third buffer unit and the Four buffer units have the pretightning force pulled downward on, and stand-by power battery is kept to be in equilibrium state, when avoiding opening loading lid There is the case where jumping out upwards in stand-by power battery.It is vibrated when electric vehicle is generated towards the horizontal direction of the first side buffer unit When, stand-by power battery can squeeze the first elastic layer, and then push entire first buffer unit under the first upper groove and first Groove is moved into the first storage tank, it is ensured that and the first cylindrical portion is not in deflection in the horizontal plane in sliding process, into And the first buffer spring is compressed under the support of head rod and first rotating shaft, stand-by power battery is delayed to realize Punching, while supporting positioning groove and supporting positioning protrusion and match drive and push and supporting block and compress the first side pressure spring to carry out auxiliary slow Punching；When electric vehicle is generated towards when the horizontal direction vibration of the second side buffer unit, stand-by power battery can squeeze the second bullet Property layer, and then entire second buffer unit is pushed to be moved into the second storage tank along the second upper groove and the second lower groove, it is ensured that Second cylindrical portion is not in deflection in the horizontal plane in sliding process, and then in the branch of the second connecting rod and the second shaft Support is lower to compress the second buffer spring, to realize the buffering to stand-by power battery, while supporting positioning groove and supporting positioning Protrusion match drive push support block compress the second side pressure spring carry out auxiliary buffering；Delay when electric vehicle is generated towards third side When the horizontal direction vibration of flushing device, stand-by power battery can squeeze third elastic layer, and then push entire third buffer unit It is moved into third storage tank along third upper groove and third lower groove, it is ensured that third cylindrical portion is not in sliding process Deflection in the horizontal plane, and then third buffer spring is compressed under the support of third connecting rod and third shaft, to realize To the buffering of stand-by power battery, while supporting positioning groove and supporting positioning protrusion and match drive and push and supporting block compression the Three side pressure springs carry out auxiliary buffering；It is spare dynamic when electric vehicle generates the horizontal direction vibration of the 4th side buffer unit of direction Power battery can squeeze the 4th elastic layer, and then push entire 4th buffer unit along the 4th upper groove and the 4th lower groove to the 4th It is moved in storage tank, it is ensured that the 4th cylindrical portion is not in deflection in the horizontal plane in sliding process, and then is connected the 4th The 4th buffer spring is compressed under the support of extension bar and the 4th shaft, to realize to the buffering of stand-by power battery, is supported simultaneously Positioning groove and support positioning protrusion match drive push support block compress the 4th side pressure spring carry out auxiliary buffering.When electronic vapour When vehicle generates downward vibration, stand-by power battery pushes the first support face, the second support face, third support face and the 4th support Face, the first buffer unit, the second buffer unit, third buffer unit and the 4th buffer unit more downwardly turn over, the first buffer part Part, the second buffer unit, third buffer unit and the 4th buffer unit are stronger to the elastic clip clamp force of stand-by power battery, make First buffer unit, the second buffer unit, third buffer unit and the 4th buffer unit have the tendency that being intended to be flipped up, in turn First buffer unit, the second buffer unit, third buffer unit and the 4th buffer unit are held using the first support face, second naturally Support, third support face and the 4th support generate upward flexible support power in face of stand-by power battery, to realize to spare The buffering that power battery vibrates downwards；When electric vehicle generates upward vibration, the upper end of stand-by power battery is supported upwards The lower compression spring of block compression is supported in pushing, to realize the buffering vibrated upwards to stand-by power battery.When needing replacing stand-by power It when battery, opens and loads lid, first state keeps tension spring, the second state that tension spring, the third state is kept to keep tension spring and the 4th State is kept under the holding of tension spring, and stand-by power battery will not be jumped out, and securely and reliably, can be supported device by operation and be supported upwards First buffer unit, the second buffer unit, the first lower surface of third buffer unit and the 4th buffer unit, the second lower surface, Third lower surface and the 4th lower surface make the first buffer unit, the second buffer unit, third buffer unit and the 4th buffer unit Be flipped up, stand-by power battery rise, directly by stand-by power battery from the first side buffer unit, the second side buffer unit, It is extracted between third side buffer unit and the 4th side buffer unit, when extracting stand-by power battery, first can be driven to delay It rushes component, the second buffer unit, third buffer unit and the 4th buffer unit and is flipped up and makes the first upper limit plane, on second Confined planes, third upper limit plane and the 4th upper limit plane are stuck in the first storage tank, the second storage tank, third storage tank and The top edge of four storage tanks, while first state keeps tension spring, the second state that tension spring, the third state is kept to keep tension spring and the 4th State keeps tension spring respectively to cross the axis of first rotating shaft, the second shaft, third shaft and the 4th shaft from below, to divide It is other that the pretightning force pulled up is generated to the first buffer unit, the second buffer unit, third buffer unit and the 4th buffer unit, The first buffer unit, the second buffer unit, third buffer unit and the 4th buffer unit is kept to be in the state being flipped up, just It is reinstalled in the stand-by power battery of electricity abundance.Compared with prior art, power in environmental protection source of the invention is conveniently replaceable Low speed new energy electric motor vehicle, can carry out stand-by power battery comprehensive vibrations buffering, and security protection is comprehensively effective, it is ensured that Stand-by power battery is not hit and damages, and the disassembling operations of stand-by power battery are flexible and convenient, and power is lasting, practicability By force.

Description of the drawings

Fig. 1 is the broken section structural schematic diagram of first angle of the present invention；

Fig. 2 is the broken section structural schematic diagram of second angle of the present invention；

Fig. 3 is the broken section structural schematic diagram of use state of the present invention；

Fig. 4 is the local overlooking structural schematic diagram of the present invention；

Fig. 5 is the present invention looks up structural representation for supporting positioning protrusion；

Fig. 6 is the local circuit schematic diagram of the present invention.

Specific implementation mode

In order to further explain the technical solution of the present invention, being described in detail below by specific embodiment.

A kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable of the present invention, as shown in figures 1 to 6, including automobile Main body (not shown), car body have controller (not shown), motive power battery 1 and detection motive power battery 1 The coulometric detector (not shown) of electricity；

The invention also includes replaceable stand-by power batteries 2, and load the loading attachment 3 of stand-by power battery 2；

Stand-by power battery 2 is in parallel with motive power battery 1, and motive power battery 1 has the first control controlled by controller Switch 11, stand-by power battery 2 have the second control switch 21 controlled by controller；1 place circuit of motive power battery is the One branch 12,2 place circuit of stand-by power battery are the second branch 22, and the first branch 12 and the second branch 22, which have, is in one end First node 10 and second node 20 in the other end, the first control switch 11 be set to close first segment in the first branch 12 Point 10, the second control switch 21 are set in the second branch 22 close to first node 10；Between the first branch 12 and the second branch 22 It is also associated with third branch 30, third branch 30 is equipped with controls switch 301 by the third that controller controls；Third branch 30 has There are a third node 302 being connect with the first branch 12 and the fourth node being connect with the second branch 22 303, at third node 302 Between motive power battery 1 and first controls switch 11, fourth node 303 is in the control switch of stand-by power battery 2 and second Between 21；

Loading attachment 3 includes the loading main body being below and the loading lid 31 in top；Stand-by power battery 2 is in Rectangular-shape and with battery upper side upward, battery downside directed downwardly, and in laterally adjacent battery the successively One side, the 4th side of battery second side, battery third side and battery；Loading main body includes and battery first face, electricity Pond second side, the corresponding first side buffer unit 32 in battery third side and the 4th side of battery, the second side buffering dress Set 33, third side buffer unit 34 and the 4th side buffer unit 35；

First side buffer unit 32 includes the first pedestal 321 and is carried out towards battery first face on the first pedestal 321 The first buffer unit 322 that elasticity is supported；First buffer unit 322 includes horizontally arranged and parallel in the of battery first face One cylindrical portion 3221, be formed in the first cylindrical portion 3221 and along the first cylindrical portion 3221 extend and support in stand-by power battery 2 lower section the first supporting part 3222, and be formed in the first cylindrical portion 3221 and along the first cylindrical portion 3221 extend and and battery The first opposite top 3223 of first side；On the cross section of the first buffer unit 322, corresponding to the first cylindrical portion 3221 The central angle number of degrees be more than the central angle number of degrees corresponding to the first supporting part 3222 and the first top 3223；First pedestal 321 It is formed with the first storage tank 3211 towards battery first face and accommodating first cylindrical portion 3221, the first storage tank 3211 has In upside first on medial surface 32111, first time medial surface 32112 in downside and be in the first side of slot bottom and battery The first parallel groove bottom 32113 of face；The distance between lower medial surface of medial surface 32111 to the first 32112 and the on first The diameter of one cylindrical portion 3221 is equal, this structure can ensure that the matching of the first cylindrical portion 3221 is placed in medial surface 32111 on first Between first time medial surface 32112；First cylindrical portion 3221 is equipped with first rotating shaft 32211, the axis of first rotating shaft 32211 Planar, the first cylindrical portion 3221 is accommodating with protruding from first for upper edge and lower edge institute in the first storage tank 3211 On the outside of 3211 top edge of slot first on prominent curved portion 32212 and protrude from the outside of 3211 lower edge of the first storage tank first Lower prominent curved portion 32213；First rotating shaft 32211 and the first groove bottom 32113 pass through horizontally disposed head rod 32214 Connection, head rod 32214 are articulated and can be spun upside down with the first groove bottom 32113；First top 3223 On the first support surface 32231 and corresponding first storage tank, 3211 top edge and lower end and first with corresponding battery first face The first upper limit plane 32232 that prominent curved portion 32212 is connected, on the first upper limit plane 32232 and the first storage tank 3211 There is gap angle on first, after the first buffer unit 322 is flipped up, this first upper limit plane, 32232 meeting between edge It is stuck in the top edge of the first storage tank 3211, the first support surface 32231 is resisted against equipped with elasticity on battery first face and under Supreme the first elastic layer 32233 gradually to thicken；First elastic layer 32233 is only connect with the first support surface 32231, and with first 3222 sliding contact of supporting part, this structure can ensure that the first elastic layer 32233 random variation on layer thickness direction；First elasticity Layer 32233 have the first elastic connecting contacting surface a1 towards battery first face, the first elastic connecting contacting surface a1 include in lower part with It the first parallel vertical contact surface a11 of battery first face and is smoothly connected above the first lower contact surface and from the bottom to top The first arc contact surface a12, the first elastic connecting contacting surface a1 being gradually bent towards 321 direction of the first pedestal is covered with the first resin light Slip layer a13, this structure can ensure that sliding capability of the stand-by power battery 2 relative to the first resin smooth layer a13, convenient for spare dynamic Power battery 2 carries out the sliding of all directions relative to the first resin smooth layer a13；First supporting part 3222 has under corresponding battery Side and the first support face 32221, the first lower surface 32222 directed downwardly and right being connected with 32231 lower end of the first support surface Answer 3211 lower edge of the first storage tank and the first lower limit plane 32223 that upper end is connected with first time prominent curved portion 32213, There is first time gap angle, when the first buffer unit between 3211 lower edge of first lower limit plane 32223 and the first storage tank After 322 are flipped up, this first upper limit plane 32232 can be stuck in the top edge of the first storage tank 3211；First cylindrical portion 3221 It is formed with the first strip-shaped hole 32215 of accommodating first rotating shaft 32211, the first strip-shaped hole 32215 is horizontally disposed, the first strip-shaped hole 32215 have the first distal shaft end b11 towards battery first face and the first proximal ends b12 towards the first storage tank 3211, First proximal ends b12 is arc-shaped and the first proximal ends b12 the axis and first to match with the circumferential surface of first rotating shaft 32211 The axis of cylindrical portion 3221 is identical, this structure can ensure that will not working as the first cylindrical portion 3221 and being displaced outwardly maximum distance The first storage tank 3211 is dropped out, the distance of the first distal shaft end b11 to the first arc-shaped proximal ends b12 axis is more than the first distal shaft Hold b11 to the distance of 32211 axis of first rotating shaft, this structure can ensure that first rotating shaft 32211 can be moved freely to both sides, first It is opened between shaft 32211 and the first distal shaft end b11 and is equipped with the first buffering compression spring b13；Medial surface 32111 is formed with multiple on first The first upper hopper chute c1 parallel with head rod 32214, first time medial surface 32112 is formed with multiple and head rod The circumferential surface of 32214 the first parallel gliding groove d1, the first cylindrical portion 3221 are formed with multiple and the first cylindrical portion 3221 axis Line is perpendicular and first annular raised the 32216 of sliding, is matched with each above-mentioned first upper hopper chute c1 and the first gliding groove d1 One annular protrusion 32216 is oriented to the first cylindrical portion 3221 along the first upper hopper chute c1 and the first gliding groove d1 slidings；First Buffer unit 322, which is equipped, keeps the first state of 322 rollover states of the first buffer unit that tension spring 3224, first state is kept to protect Hold tension spring 3224 has the first tension spring upper end for being connect with the first buffer unit 322 and connect with 321 lower part of the first pedestal the One tension spring lower end, the first buffer unit 322 are equipped with interconnecting piece on first connect with the first tension spring upper end, and the first pedestal 321 is set There is first time interconnecting piece being connect with the first tension spring upper end；Define the line of first time interconnecting piece and 32211 center of first rotating shaft For the first line, the line of interconnecting piece is the second line on 32211 center of first rotating shaft and first, and the top of the first line extends Line is in the top of the top extended line of the second line, the top extended line of the first line and the top extended line of the second line it Between the angle number of degrees be first on the gap angle number of degrees half, when the first buffer unit 322 makes first state to lower swing Keep tension spring 3224 be less than first rotating shaft 32211 when, first state keep tension spring 3224 can to the first buffer unit 322 generate to Under pulling force, when the first buffer unit 322 be swung up so that first state keep tension spring 3224 be higher than first rotating shaft 32211 When, first state keeps tension spring 3224 that can generate upward pulling force to the first buffer unit 322；

The second side buffer unit 33 includes the second pedestal 331 and is carried out towards battery second side on the second pedestal 331 The second buffer unit 332 that elasticity is supported；Second buffer unit 332 includes horizontally arranged and parallel in the of battery second side Two cylindrical portions 3321, be formed in the second cylindrical portion 3321 and along the second cylindrical portion 3321 extend and support in stand-by power battery 2 lower section the second supporting part 3322, and be formed in the second cylindrical portion 3321 and along the second cylindrical portion 3321 extend and and battery The second opposite top 3323 of second side；On the cross section of the second buffer unit 332, corresponding to the second cylindrical portion 3321 The central angle number of degrees be more than the central angle number of degrees corresponding to the second supporting part 3322 and the second top 3323；Second pedestal 331 It is formed with the second storage tank 3311 towards battery second side and accommodating second cylindrical portion 3321, the second storage tank 3311 has In upside second on medial surface 33111, second time medial surface 33112 in downside and be in slot bottom and battery the second side The second parallel groove bottom 33113 of face；The distance between lower medial surface of medial surface 33111 to the second 33112 and the on second The diameter of two cylindrical portions 3321 is equal, this structure can ensure that the matching of the second cylindrical portion 3321 is placed in medial surface 33111 on second Between second time medial surface 33112；Second cylindrical portion 3321 is equipped with the second shaft 33211, the axis of the second shaft 33211 Planar, the second cylindrical portion 3321 is accommodating with protruding from second for upper edge and lower edge institute in the second storage tank 3311 On the outside of 3311 top edge of slot second on prominent curved portion 33212 and protrude from the outside of 3311 lower edge of the second storage tank second Lower prominent curved portion 33213；Second shaft 33211 and the second groove bottom 33113 pass through horizontally disposed second connecting rod 33214 Connection, the second connecting rod 33214 are articulated and can be spun upside down with the second groove bottom 33113；Second top 3323 On the second support surface 33231 and corresponding second storage tank, 3311 top edge and lower end and second with corresponding battery second side The second upper limit plane 33232 that prominent curved portion 33212 is connected, on the second upper limit plane 33232 and the second storage tank 3311 There is gap angle on second, after the second buffer unit 332 is flipped up, this second upper limit plane, 33232 meeting between edge It is stuck in the top edge of the second storage tank 3311, the second support surface 33231 is resisted against equipped with elasticity in battery second side and under Supreme the second elastic layer 33233 gradually to thicken；Second elastic layer 33233 is only connect with the second support surface 33231, and with second 3322 sliding contact of supporting part, this structure can ensure that the second elastic layer 33233 random variation on layer thickness direction；Second elasticity Layer 33233 have the second elastic connecting contacting surface a2 towards battery second side, the second elastic connecting contacting surface a2 include in lower part with It the second parallel vertical contact surface a21 of battery second side and is smoothly connected above the second lower contact surface and from the bottom to top The second arc contact surface a22, the second elastic connecting contacting surface a2 being gradually bent towards 331 direction of the second pedestal is covered with the second resin light Slip layer a23, this structure can ensure that sliding capability of the stand-by power battery 2 relative to the second resin smooth layer a23, convenient for spare dynamic Power battery 2 carries out the sliding of all directions relative to the second resin smooth layer a23；Second supporting part 3322 has under corresponding battery Side and the second support face 33221, the second lower surface 33222 directed downwardly and right being connected with 33231 lower end of the second support surface Answer 3311 lower edge of the second storage tank and the second lower limit plane 33223 that upper end is connected with second time prominent curved portion 33213, There is second time gap angle, when the second buffer unit between 3311 lower edge of second lower limit plane 33223 and the second storage tank After 332 are flipped up, this second upper limit plane 33232 can be stuck in the top edge of the second storage tank 3311；Second cylindrical portion 3321 It is formed with the second strip-shaped hole 33215 of accommodating second shaft 33211, the second strip-shaped hole 33215 is horizontally disposed, the second strip-shaped hole 33215 have the second distal shaft end b21 towards battery second side and the second proximal ends b22 towards the second storage tank 3311, Second proximal ends b22 is arc-shaped and the second proximal ends b22 the axis and second to match with the circumferential surface of the second shaft 33211 The axis of cylindrical portion 3321 is identical, this structure can ensure that will not working as the second cylindrical portion 3321 and being displaced outwardly maximum distance The second storage tank 3311 is dropped out, the distance of the second distal shaft end b21 to the second arc-shaped proximal ends b22 axis is more than the second distal shaft Hold b21 to the distance of 33211 axis of the second shaft, this structure can ensure that the second shaft 33211 can be moved freely to both sides, second It is opened between shaft 33211 and the second distal shaft end b21 and is equipped with the second buffering compression spring b23；Medial surface 33111 is formed with multiple on second The second upper hopper chute c2 parallel with the second connecting rod 33214, second time medial surface 33112 are formed with multiple and the second connecting rod The circumferential surface of 33214 the second parallel gliding groove d2, the second cylindrical portion 3321 are formed with multiple and the second cylindrical portion 3321 axis Line is perpendicular and the second annular protrusion 33216 of sliding is matched with each above-mentioned second upper hopper chute c2 and the second gliding groove d2, the Second ring protrusion 33216 is oriented to the second cylindrical portion 3321 along the second upper hopper chute c2 and the second gliding groove d2 slidings；Second Buffer unit 332, which is equipped, keeps the second state of 332 rollover states of the second buffer unit that tension spring 3324, the second state is kept to protect Hold tension spring 3324 has the second tension spring upper end for being connect with the second buffer unit 332 and connect with 331 lower part of the second pedestal the Two tension spring lower ends, the second buffer unit 332 are equipped with interconnecting piece on second connect with the second tension spring upper end, and the second pedestal 331 is set There is second time interconnecting piece being connect with the second tension spring upper end；Define the line of second time interconnecting piece and 33211 center of the second shaft For third line, the line of interconnecting piece is the 4th line on 33211 center of the second shaft and second, and the top of third line extends Line is in the top of the top extended line of the 4th line, the top extended line of third line and the top extended line of the 4th line it Between the angle number of degrees be second on the gap angle number of degrees half, when the second buffer unit 332 makes the second state to lower swing Keep tension spring 3324 be less than the second shaft 33211 when, the second state keep tension spring 3324 can to the second buffer unit 332 generate to Under pulling force, when the second buffer unit 332 be swung up so that the second state keep tension spring 3324 be higher than the second shaft 33211 When, the second state keeps tension spring 3324 that can generate upward pulling force to the second buffer unit 332；

Third side buffer unit 34 includes third pedestal 341 and is carried out towards battery third side on third pedestal 341 The third buffer unit 342 that elasticity is supported；Third buffer unit 342 includes horizontally arranged and parallel in the of battery third side Three column portions are formed in third cylindrical portion 3421 and extend along third cylindrical portion 3421 and support is in the lower section of stand-by power battery 2 Third supporting part 3422, and be formed in third cylindrical portion 3421 and along third cylindrical portion 3421 extend and with battery third side The opposite third top 3423 in face；On the cross section of third buffer unit 342, the center of circle corresponding to third cylindrical portion 3421 Angle number is more than the central angle number of degrees corresponding to third supporting part 3422 and third top 3423；Third pedestal 341 is formed with Towards battery third side and the third storage tank 3411 of accommodating third cylindrical portion 3421, third storage tank 3411, which has, is in upper In the third of side under medial surface 34111, the third in downside medial surface 34112 and in slot bottom it is equal with battery third side Capable third groove bottom 34113；The distance between medial surface 34112 and third cylinder under medial surface 34111 to third in third The diameter in portion 3421 is equal, this structure can ensure that the matching of third cylindrical portion 3421 is placed in medial surface 34111 and third in third Between lower medial surface 34112；Third cylindrical portion 3421 is equipped with third shaft 34211, and the axis of third shaft 34211 is in the Planar, third cylindrical portion 3421, which has, protrudes from third storage tank 3411 for the upper edge of three storage tanks 3411 and lower edge institute Curved portion 34212 is protruded in third on the outside of top edge and is protruded from prominent under the third on the outside of 3411 lower edge of third storage tank Curved portion 34213；Third shaft 34211 and third groove bottom 34113 are connected by horizontally disposed third connecting rod 34214, Third connecting rod 34214 is articulated with third groove bottom 34113 and can be spun upside down；Third top 3423 have pair Answer prominent arc on the third support surface 34231 and corresponding 3411 top edge of third storage tank and lower end and third of battery third side The third upper limit plane 34232 that shape portion 34212 is connected, third upper limit plane 34232 and 3411 top edge of third storage tank it Between there is gap angle in third, after third buffer unit 342 is flipped up, this third upper limit plane 34232 can be stuck in the The top edge of three storage tanks 3411, third support surface 34231 be resisted against on battery third side equipped with elasticity and from the bottom to top by The third elastic layer 34233 of gradual change thickness；Third elastic layer 34233 is only connect with third support surface 34231, and with third supporting part 3422 sliding contacts, this structure can ensure that the random variation on layer thickness direction of third elastic layer 34233；Third elastic layer 34233 have the third elastic connecting contacting surface a3 towards battery third side, and third elastic connecting contacting surface a3 is including in lower part and electricity The pond third side vertical contact surface a31 of parallel third and be smoothly connected above third lower contact surface and from the bottom to top by The third arc contact surface a32 being gradually bent towards 341 direction of third pedestal, it is smooth that third elastic connecting contacting surface a3 is covered with third resin Layer a33, this structure can ensure that sliding capability of the stand-by power battery 2 relative to third resin smooth layer a33, be convenient for stand-by power Battery 2 carries out the sliding of all directions relative to third resin smooth layer a33；Third supporting part 3422 has on the downside of corresponding battery Face and with third support face 34221 that 34231 lower end of third support surface is connected, third lower surface 34222 directed downwardly and corresponding 3411 lower edge of third storage tank and upper end and the third lower limit plane 34223 that prominent curved portion 34213 is connected under third, the There is gap angle under third, when third buffer unit 342 between 3411 lower edge of three lower limit planes 34223 and third storage tank After being flipped up, this third upper limit plane 34232 can be stuck in the top edge of third storage tank 3411；The formation of third cylindrical portion 3421 There is the third strip-shaped hole 34215 of accommodating third shaft 34211, third strip-shaped hole 34215 is horizontally disposed, third strip-shaped hole 34215 With the third distal shaft end b31 towards the battery third side and third proximal ends b32 towards third storage tank 3411, third is close Shaft end b32 is arc-shaped and third proximal ends b32 the axis to match with the circumferential surface of third shaft 34211 and third cylindrical portion 3421 axis is identical, this structure, which can ensure that, will not drop out even if third cylindrical portion 3421 has been displaced outwardly maximum distance The distance of three storage tanks 3411, third distal shaft end b31 to arc-shaped third proximal ends b32 axis is more than third distal shaft end b31 To the distance of 34211 axis of third shaft, this structure can ensure that third shaft 34211 can be moved freely to both sides, third shaft It is opened between 34211 and third distal shaft end b31 and is equipped with third buffering compression spring b33；Medial surface 34111 is formed with multiple with the in third The parallel third upper hopper chute c3 of three connecting rods 34214, medial surface 34112 is formed with multiple with third connecting rod under third The circumferential surface of 34214 parallel third gliding groove d3, third cylindrical portion 3421 are formed with multiple and third cylindrical portion 3421 axis Line is perpendicular and the third annular protrusion 34216 of sliding is matched with each above-mentioned third upper hopper chute c3 and third gliding groove d3, the Three annular protrusions 34216 are oriented to third cylindrical portion 3421 along third upper hopper chute c3 and the d3 slidings of third gliding groove；Third Buffer unit 342, which is equipped, keeps the third state of 342 rollover states of third buffer unit that tension spring 3424, the third state is kept to protect Hold tension spring 3424 has the third tension spring upper end that is connect with third buffer unit 342 and connect with 341 lower part of third pedestal the Three tension spring lower ends, third buffer unit 342 are equipped with interconnecting piece in the third being connect with third tension spring upper end, and third pedestal 341 is set There is interconnecting piece under the third being connect with third tension spring upper end；Define the line of interconnecting piece and 34211 center of third shaft under third For the 5th line, the line of 34211 center of third shaft and interconnecting piece in third is the 6th line, and the top of the 5th line extends Line is in the top of the top extended line of the 6th line, the top extended line of the 5th line and the top extended line of the 6th line it Between the angle number of degrees be third on the gap angle number of degrees half, when third buffer unit 342 makes the third state to lower swing Keep tension spring 3424 be less than third shaft 34211 when, the third state keep tension spring 3424 can to third buffer unit 342 generate to Under pulling force, when third buffer unit 342 be swung up so that the third state keep tension spring 3424 be higher than third shaft 34211 When, the third state keeps tension spring 3424 that can generate upward pulling force to third buffer unit 342；

4th side buffer unit 35 includes the 4th pedestal 351 and is carried out towards the 4th side of battery on the 4th pedestal 351 The 4th buffer unit 352 that elasticity is supported；4th buffer unit 352 includes horizontally arranged and parallel in the of the 4th side of battery Four column portions are formed in the 4th cylindrical portion 3521 and extend along the 4th cylindrical portion 3521 and support is in the lower section of stand-by power battery 2 The 4th supporting part 3522, and be formed in the 4th cylindrical portion 3521 and along the 4th cylindrical portion 3521 extend and with the 4th side of battery The 4th opposite top 3523 of face；On the cross section of the 4th buffer unit 352, the center of circle corresponding to the 4th cylindrical portion 3521 Angle number is more than the central angle number of degrees corresponding to the 4th supporting part 3522 and the 4th top 3523；4th pedestal 351 is formed with Towards the 4th side of battery and the 4th storage tank 3511 of accommodating 4th cylindrical portion 3521, the 4th storage tank 3511, which has, is in upper Medial surface 35111 on the 4th of side, the four times medial surfaces 35112 in downside and equal with the 4th side of battery in slot bottom The 4th capable groove bottom 35113；Medial surface 35111 is to the distance between the four times medial surfaces 35112 and the 4th cylinder on 4th The diameter in portion 3521 is equal, this structure can ensure that the matching of the 4th cylindrical portion 3521 is placed in medial surface 35111 and the 4th on the 4th Between lower medial surface 35112；4th cylindrical portion 3521 is equipped with the 4th shaft 35211, and the axis of the 4th shaft 35211 is in the Planar, the 4th cylindrical portion 3521, which has, protrudes from the 4th storage tank 3511 for the upper edge of four storage tanks 3511 and lower edge institute On the outside of top edge the 4th on prominent curved portion 35212 and protrude from the four times protrusions on the outside of 3511 lower edge of the 4th storage tank Curved portion 35213；4th shaft 35211 and the 4th groove bottom 35113 are connected by horizontally disposed 4th connecting rod 35214, 4th connecting rod 35214 is articulated and can be spun upside down with the 4th groove bottom 35113；4th top 3523 have pair Answer prominent arc on the 4th support surface 35231 and corresponding 4th storage tank, 3511 top edge and lower end and the 4th of the 4th side of battery The 4th upper limit plane 35232 that shape portion 35212 is connected, the 4th upper limit plane 35232 and 3511 top edge of the 4th storage tank it Between there is gap angle on the 4th, after the 4th buffer unit 352 is flipped up, this 4th upper limit plane 35232 can be stuck in the The top edge of four storage tanks 3511, the 4th support surface 35231 be resisted against on the 4th side of battery equipped with elasticity and from the bottom to top by 4th elastic layer 35233 of gradual change thickness；4th elastic layer 35233 is only connect with the 4th support surface 35231, and with the 4th supporting part 3522 sliding contacts, this structure can ensure that the 4th elastic layer 35233 random variation on layer thickness direction；4th elastic layer 35233 have the 4th elastic connecting contacting surface a4 towards the 4th side of battery, and the 4th elastic connecting contacting surface a4 is including in lower part and electricity The 4th parallel vertical contact surface a41 of the 4th side of pond and be smoothly connected above the 4th lower contact surface and from the bottom to top by The 4th arc contact surface a42 being gradually bent towards 351 direction of the 4th pedestal, it is smooth that the 4th elastic connecting contacting surface a4 is covered with the 4th resin Layer a43, this structure can ensure that sliding capability of the stand-by power battery 2 relative to the 4th resin smooth layer a43, be convenient for stand-by power Battery 2 carries out the sliding of all directions relative to the 4th resin smooth layer a43；4th supporting part 3522 has on the downside of corresponding battery Face and with the 4th support face 35221 that 35231 lower end of the 4th support surface is connected, the 4th lower surface 35222 directed downwardly and corresponding The 4th lower limit plane 35223 that 4th storage tank, 3511 lower edge and upper end are connected with the four times prominent curved portions 35213, the There are the four times gap angles, when the 4th buffer unit 352 between four lower limit planes 35223 and 3511 lower edge of the 4th storage tank After being flipped up, this 4th upper limit plane 35232 can be stuck in the top edge of the 4th storage tank 3511；The formation of 4th cylindrical portion 3521 There is the Article 4 shape hole 35215 of accommodating 4th shaft 35211, Article 4 shape hole 35215 is horizontally disposed, Article 4 shape hole 35215 The 4th proximal ends b42 with the 4th storage tank 3511 of the 4th distal shaft end b41 and direction towards the 4th side of battery, nearby place Shaft end b42 is the axis and the 4th cylindrical portion of arc-shaped and the 4th proximal ends b42 to match with the circumferential surface of the 4th shaft 35211 3521 axis is identical, this structure can ensure that even if will not drop out the the 4th cylindrical portion 3521 has been displaced outwardly maximum distance The distance of four storage tanks 3511, the 4th distal shaft end b41 to the 4th arc-shaped proximal ends b42 axis is more than the 4th distal shaft end b41 To the distance of 35211 axis of the 4th shaft, this structure can ensure that the 4th shaft 35211 can be moved freely to both sides, the 4th shaft 35211 and the 4th are equipped with the 4th buffering compression spring b43 between the b41 of distal shaft end；Medial surface 35111 is formed with multiple with the on 4th The 4th parallel upper hopper chute c4 of four connecting rods 35214, the four times medial surfaces 35112 are formed with multiple and the 4th connecting rod The circumferential surface of 35214 the 4th parallel gliding groove d4, the 4th cylindrical portion 3521 are formed with multiple and the 4th cylindrical portion 3521 axis Line is perpendicular and the fourth annular protrusion 35216 of sliding is matched with each above-mentioned 4th upper hopper chute c4 and the 4th gliding groove d4, the Four annular protrusions 35216 are oriented to the 4th cylindrical portion 3521 along the 4th upper hopper chute c4 and the 4th gliding groove d4 slidings；4th Buffer unit 352, which is equipped, keeps the 4th state of 352 rollover states of the 4th buffer unit that tension spring 3524, the 4th state is kept to protect Hold tension spring 3524 has the 4th tension spring upper end that is connect with the 4th buffer unit 352 and connect with 351 lower part of the 4th pedestal the Four tension spring lower ends, the 4th buffer unit 352 are equipped with interconnecting piece on the 4th connect with the 4th tension spring upper end, and the 4th pedestal 351 is set There are the four times interconnecting pieces being connect with the 4th tension spring upper end；Define the line at 35211 center of four times interconnecting pieces and the 4th shaft For the 7th line, the line of interconnecting piece is the 8th line on 35211 center of the 4th shaft and the 4th, and the top of the 7th line extends Line is in the top of the top extended line of the 8th line, the top extended line of the 7th line and the top extended line of the 8th line it Between the angle number of degrees be the 4th on the gap angle number of degrees half, when the 4th buffer unit 352 makes the 4th state to lower swing Keep tension spring 3524 be less than four shafts 35211 when, the 4th state keep tension spring 3524 can to the 4th buffer unit 352 generate to Under pulling force, when the 4th buffer unit 352 be swung up so that the 4th state keep tension spring 3524 be higher than the 4th shaft 35211 When, the 4th state keeps tension spring 3524 that can generate upward pulling force to the 4th buffer unit 352；

First support face 32221 has 32221 edge of the first support face in 2 lower section of stand-by power battery, and second holds There is support 33,221 33221 edge of the second support face in 2 lower section of stand-by power battery, third support face 34221 to have place 34221 edge of third support face in 2 lower section of stand-by power battery, the 4th support face 35221, which has, is in stand-by power battery 2 35221 edge of the 4th support face of lower section；The distance at battery first face to 32221 edge of the first support face is more than the first buffering The maximum distance that component 322 is slided into the first storage tank 3211, battery second side to 33221 edge of the second support face away from From the maximum distance slided into the second storage tank 3311 more than the second buffer unit 332, battery third side to third support The distance at 34221 edge of face is more than the maximum distance that third buffer unit 342 is slided into third storage tank 3411, battery the 4th The distance at side to 35221 edge of the 4th support face is slided most more than the 4th buffer unit 352 into the 4th storage tank 3511 Big distance, this structure can ensure that stand-by power battery 2 by the first buffer unit 322, the second buffer unit 332, third buffering Component 342 and the 4th buffer unit 352 are in space when arbitrary motion, and stand-by power battery 2 is without departing from the first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 are avoided because of partial buffer component carelessly The case where being flipped up and causing buffer invalidation occurs；

It includes cap body 311 to load lid 31, and carries out elasticity pushing to the top of stand-by power battery 2 and support down Compress ejection device 312；There is cap body 311 top with the first side buffer unit 32 to be articulated and can be spun upside down Pivot end, and the buckle end that is fastened togather with the top of third side buffer unit 34；The lower surface of cap body 311 is formed There is the accommodating lower groove 3111 for pushing and supporting device 312, it includes the pushing being placed in lower groove 3111 to push and support device 312 Support block 3121 and multidirectional buffer unit 3122；Lower groove 3111 in a rectangular parallelepiped shape, has 3111 bottom of lower groove in top Wall and respectively parallel with battery first face, battery second side, battery third side and the 4th side of battery first 3111 side wall of lower groove, 3111 side wall of the second lower groove, 3111 side wall of third lower groove and 3111 side wall of the 4th lower groove；It pushes It supports block 3121 in a rectangular parallelepiped shape, and there is gap between the madial wall of lower groove 3111；Pushing support block 3121 have with 3111 bottom wall of lower groove is corresponding to support block roof, supports block bottom wall towards stand-by power battery 2, and right respectively successively Answer 3111 side wall of the first lower groove, 3111 side wall of the second lower groove, 3111 side wall of third lower groove and 3111 side of the 4th lower groove The first of wall support block side wall, second support block side wall, third supports block side wall and the 4th and supports block side wall；Multidirectional buffer unit 3122 include being located at 3111 bottom wall of lower groove and supporting the compression spring between block roof, is located at 3111 side wall of the first lower groove And first support the first side pressure spring 31221 between block side wall, is located at 3111 side wall of the second lower groove and second and supports block side The second side pressure spring 31222 between wall, is located at 3111 side wall of third lower groove and third supports third side between block side wall Compression spring 31223, and be located at 3111 side wall of the 4th lower groove and the 4th and support the 4th side pressure spring 31224 between block side wall；It supports What jacking block bottom wall was formed with downwardly projecting positive tetrapyamid shape supports positioning protrusion 31211, and stand-by power battery 2 is formed with matching The height for housing the positioning groove of supporting for supporting positioning protrusion 31211, and supporting positioning protrusion 31211, which is more than, supports positioning groove Depth；

Loading attachment 3 further includes in the first side buffer unit 32, the second side buffer unit 33, third side buffer unit 34 With 35 lower section of the 4th side buffer unit to the first lower surface 32222, the second lower surface 33222, third lower surface 34222 and the 4th What lower surface 35222 was supported supports device 36.The present invention breaks through the power-supplying forms of traditional electric vehicle, coulometric detector inspection It surveys the electricity of motive power battery 1 and detection signal is sent to controller, when 1 electricity of motive power battery will exhaust, control Device control the first control switch 11 is opened, the second control switch 21 is closed, and stand-by power battery 2 enables, and electric vehicle is again extensive Multiple abundance electric power；Or controller control the first control switch 11 is opened, the second control switch 21 is closed, third controls switch 301 It is closed, stand-by power battery 2 is enabled to electric vehicle power supply and charged simultaneously to motive power battery 1；Or controller only controls Three control 301 closed pair motive power batteries 1 of switch chargings, while motive power battery 1, to electric vehicle power supply, each mode can be by Driver carries out selection operation according to actual conditions.In actual use, loading attachment 3 can carry out stand-by power battery 2 Safety carries, and stand-by power battery 2 can be dismounted flexibly, specifically, when need to fill stand-by power battery 2 When entering bogey, first opens and load lid 31, stand-by power battery 2 is suitably put into the first side buffer unit 32, the second side Between buffer unit 33, third side buffer unit 34 and the 4th side buffer unit 35, make the lower end and first of stand-by power battery 2 The second resin smooth layer a23 on the first resin smooth layer a13, the second elastic connecting contacting surface a2 on elastic connecting contacting surface a1, third The 4th resin smooth layer a43 contacts on third resin smooth layer a33 and the 4th elastic connecting contacting surface a4 on elastic connecting contacting surface a3, Overturning loads lid and is gradually closed, and the positioning protrusion 31211 of supporting that device 36 is supported under making is determined with supporting for stand-by power battery 2 Position groove is corresponding, loads lid and gradually pushes, is matched using positioning protrusion 31211 is supported with positioning groove is supported, simultaneously Utilize the first side pressure spring 31221 of multidirectional buffer unit 3122, the second side pressure spring 31222, third side pressure spring 31223 and the 4th side Compression spring 31224 supports device 36 under and carries out adapting to correct with elasticity, to spare during stand-by power battery 2 moves downward Power battery 2 carries out positioning and guiding, and stand-by power battery 2 is taken advantage of a situation and moved downward along arc and inclined each smooth layer, simultaneously Gradually the first elastic layer 32233, the second elastic layer 33233, third elastic layer 34233 and the 4th elastic layer 35233 are applied Pressure, the first elastic layer 32233, the second elastic layer 33233, third elastic layer 34233 and the 4th elastic layer 35233 are common gradually right Stand-by power battery 2 carries out elastic clamping, while the first buffer unit 322, the second buffer unit 332, third buffer unit 342 Rely on respective first rotating shaft 32211, the second shaft 33211, third shaft 34211 and the respectively with the 4th buffer unit 352 Four shafts 35211 overturn and push the first cylindrical portion 3221, the second cylindrical portion 3321, third cylindrical portion 3421 and gradually downward Four cylindrical portions 3521 are respectively to the first storage tank 3211 of the first pedestal 321, the second storage tank 3311 of the second pedestal 331, Sliding in the third storage tank 3411 of three pedestals 341 and the 4th storage tank 3511 of the 4th pedestal 351, the first cylindrical portion 3221, Second cylindrical portion 3321, third cylindrical portion 3421 and the 4th cylindrical portion 3521 are utilized respectively first annular protrusion in sliding process It 32216 is matched with the first upper hopper chute c1 and the first gliding groove d1, the second annular protrusion 33216 and the second upper hopper chute c2 and second Gliding groove d2 matches, third annular protrusion 34216 and third upper hopper chute c3 and third gliding groove d3 is matched and Fourth Ring Shape protrusion 35216 is matched and is oriented to the 4th upper hopper chute c4 and the 4th gliding groove d4, it is ensured that the first cylindrical portion 3221, second Cylindrical portion 3321, third cylindrical portion 3421 and the 4th cylindrical portion 3521 are not in the horizontal plane inclined in sliding process Turn, and first rotating shaft 32211, the second shaft 33211, third shaft 34211 and the 4th shaft 35211 are utilized respectively the first company Extension bar 32214, the second connecting rod 33214, third connecting rod 34214 and the 4th connecting rod 35214 are freely swung up and down To adapt to the first strip-shaped hole 32215, the second strip-shaped hole 33215, third strip-shaped hole 34215 and Article 4 shape hole 35215 respectively Arbitrary inclination, and then make first rotating shaft 32211, the second shaft 33211, third shaft 34211 and the 4th shaft 35211 can It is arbitrary in the first strip-shaped hole 32215, the second strip-shaped hole 33215, third strip-shaped hole 34215 and Article 4 shape hole 35215 respectively It slides and the first buffer spring, the second buffer spring, third buffer spring and the 4th buffer spring is compressed respectively, to The first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 are gradually increased to standby With the elastic clip clamp force of power battery 2, when the lower end of stand-by power battery 2 is supported in the first support face 32221, the second support face 33221, after on third support face 34221 and the 4th support face 35221, with the first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 more downwardly turn over, the first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 are stronger to the elastic clip clamp force of stand-by power battery 2, make first Buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352, which have, to be flipped up Trend, the first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 utilize naturally First support face 32221, the second support face 33221, third support face 34221 and the 4th support face 35221 are to stand-by power electricity Pond 2 generates upward flexible support power, and compression spring generates stand-by power battery 2 pressure under downward elasticity, until loading When lid is closed in loading main body and is fastened togather with third pedestal 341, the first strip-shaped hole 32215, the second strip-shaped hole 33215, third strip-shaped hole 34215 and Article 4 shape hole 35215 with head rod 32214, the second connecting rod 33214, Three connecting rods 34214 and the 4th connecting rod 35214 are in same level, the power of all directions suffered by stand-by power battery 2 Reach balance, first state keeps tension spring 3224, the second state that tension spring 3324, the third state is kept to keep tension spring 3424 and the 4th State keeps tension spring 3524 slow to the first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th respectively Rushing component 352 has the pretightning force pulled downward on, and stand-by power battery 2 is kept to be in equilibrium state, avoids opening loading lid 31 When stand-by power battery 2 there is the case where jumping out upwards.When electric vehicle generates the level side towards the first side buffer unit 32 To when vibration, stand-by power battery 2 can squeeze the first elastic layer 32233, and then push entire first buffer unit 322 along first Upper groove and the first lower groove 3111 are moved into the first storage tank 3211, it is ensured that the first cylindrical portion 3221 in sliding process not It will appear deflection in the horizontal plane, and then compression first is slow under the support of head rod 32214 and first rotating shaft 32211 Spring is rushed, to realize the buffering to stand-by power battery 2, while positioning groove is supported and supporting the matching of positioning protrusion 31211 The dynamic pushing of crossed belt supports first side pressure spring 31221 of the compression of block 3121 and carries out auxiliary buffering；When electric vehicle is generated towards the second side When the horizontal direction vibration of buffer unit 33, stand-by power battery 2 can squeeze the second elastic layer 33233, and then push entire the Two buffer units 332 are moved along the second upper groove and the second lower groove 3111 into the second storage tank 3311, it is ensured that the second cylinder Portion 3321 is not in deflection in the horizontal plane in sliding process, and then in the second connecting rod 33214 and the second shaft The second buffer spring is compressed under 33211 support, to realize the buffering to stand-by power battery 2, while supporting positioning groove With support positioning protrusion 31211 match drive push support block 3121 compress the second side pressure spring 31222 carry out auxiliary buffering；When Electric vehicle is generated towards when the horizontal direction vibration of third side buffer unit 34, and stand-by power battery 2 can squeeze third elasticity Layer 34233, and then push entire third buffer unit 342 along third upper groove and third lower groove 3111 to third storage tank It is moved in 3411, it is ensured that third cylindrical portion 3421 is not in deflection in the horizontal plane in sliding process, and then in third Third buffer spring is compressed under the support of connecting rod 34214 and third shaft 34211, to realize to stand-by power battery 2 Buffering, at the same support positioning groove and support positioning protrusion 31211 match drive push support block 3121 compress third side pressure Spring 31223 carries out auxiliary buffering；It is spare dynamic when electric vehicle generates the horizontal direction vibration of the 4th side buffer unit 35 of direction Power battery 2 can squeeze the 4th elastic layer 35233, and then push entire 4th buffer unit 352 under the 4th upper groove and the 4th Groove 3111 is moved into the 4th storage tank 3511, it is ensured that the 4th cylindrical portion 3521 does not appear in horizontal plane in sliding process Interior deflection, and then the 4th buffer spring is compressed under the support of the 4th connecting rod 35214 and the 4th shaft 35211, to real Now to the buffering of stand-by power battery 2, at the same support positioning groove and support positioning protrusion 31211 match drive push support Block 3121 compresses the 4th side pressure spring 31224 and carries out auxiliary buffering.When electric vehicle generates downward vibration, stand-by power battery 2 push the first support face 32221, the second support face 33221, third support face 34221 and the 4th support face 35221, and first is slow It rushes component 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 more to downwardly turn over, the first buffering The elasticity of component 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 to stand-by power battery 2 Clamping force is stronger, makes the first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 have the tendency that being intended to be flipped up, and then the first buffer unit 322, the second buffer unit 332,342 and of third buffer unit 4th buffer unit 352 utilizes the first support face 32221, the second support face 33221, third support face 34221 and the 4th naturally Support face 35221 generates stand-by power battery 2 upward flexible support power, shakes downwards to stand-by power battery 2 to realize Dynamic buffering；When electric vehicle generates upward vibration, the upper end of stand-by power battery 2 supports pushing and supports block 3121 upwards The lower compression spring of compression, to realize the buffering vibrated upwards to stand-by power battery 2.When needing replacing stand-by power battery 2, beat It opens and loads lid 31, first state keeps tension spring 3224, the second state that tension spring 3324, the third state is kept to keep 3424 and of tension spring 4th state is kept under the holding of tension spring 3524, and stand-by power battery 2 will not be jumped out, and securely and reliably, can support dress by operation It sets 36 and supports the first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 upwards The first lower surface 32222, the second lower surface 33222, third lower surface 34222 and the 4th lower surface 35222, make the first buffering Component 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 are flipped up, stand-by power battery 2 rise, directly by stand-by power battery 2 from the first side buffer unit 32, the second side buffer unit 33, third side buffer unit 34 And the 4th extract between side buffer unit 35, when extracting stand-by power battery 2, can drive the first buffer unit 322, the Two buffer units 332, third buffer unit 342 and the 4th buffer unit 352 be flipped up and make the first upper limit plane 32232, Second upper limit plane 33232, third upper limit plane 34232 and the 4th upper limit plane 35232 be stuck in the first storage tank 3211, The top edge of second storage tank 3311, third storage tank 3411 and the 4th storage tank 3511, while first state keeps tension spring 3224, the second state keep tension spring 3324, the third state keep tension spring 3424 and the 4th state keep tension spring 3524 respectively from The axis of first rotating shaft 32211, the second shaft 33211, third shaft 34211 and the 4th shaft 35211 is crossed in lower section, to divide It is other that first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 are generated upwards The pretightning force of pulling keeps the first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer part Part 352 is in the state being flipped up, and the stand-by power battery 2 convenient for electricity abundance is reinstalled.

In order to realize the concrete structure for supporting device 36, it is preferable that support device 36 include to the first lower surface 32222, What the second lower surface 33222, third lower surface 34222 and the 4th lower surface 35222 were directly supported support column 361 and right Support the lifting drive 362 that column 361 carries out oscilaltion driving；The top for supporting column 361 is flat column, supports device 36 Top have in upper end upper surface, and with battery first face, battery second side, battery third side and battery 4th side corresponds the first parallel cylinder, the second cylinder, third cylinder and the 4th cylinder；First lower surface 32222, Second lower surface 33222, third lower surface 34222 and the 4th lower surface 35222 are in horizontal plane and are respectively formed with and the One cylinder, the second cylinder, third cylinder and the 4th cylinder corresponding first support slot e1, second support slot e2, third is supported Slot e3 and the 4th supports slot e4；First to support slot e1 include further away from the first lower limit plane 32223 and corresponding with the first cylinder The first sliding bevel e11 and closer first lower limit plane 32223 first limit inclined-plane e12, the first sliding bevel e11 with The angle number of degrees of horizontal plane are equal to the number of degrees of the first gap angle, and the limits of the first sliding bevel e11 and first inclined-plane e12 phases are hung down Directly.The present invention in actual use, when the driving of lifting drive 362 is supported column 361 and is moved upwards, the first cylinder The first sliding bevel e11 is supported in top edge, and the second sliding bevel e21, the top of third cylinder are supported in the top edge of the second cylinder Edge supports third sliding bevel e31, and the 4th sliding bevel e41 is supported in the top edge of the 4th cylinder, with support column 361 gradually to On support, the top edge of the first cylinder is slided along the first sliding bevel e11 towards the first limit inclined-plane directions e12 are opposite, second The top edge of cylinder is slided along the second sliding bevel e21 towards the second limit inclined-plane directions e22 are opposite, the top edge of third cylinder It is slided along third sliding bevel e31 towards the third limit inclined-plane directions e32 are opposite, the top edge of the 4th cylinder is along the 4th sliding Inclined-plane e41 is slided towards the 4th limit inclined-plane directions e42 are opposite, the first buffer unit 322, the second buffer unit 332, third buffering Component 342 and the 4th buffer unit 352 are gradually flipped up, until support the upper surface of column 361 and the first sliding bevel e11, Second sliding bevel e21, third sliding bevel e31 and the 4th sliding bevel e41 are parallel, and the first cylinder, the second cylinder, third Cylinder and the 4th cylinder are limited with the first limit inclined-plane e12, the second limit inclined-plane e22, third limit inclined-plane e32 and the 4th respectively Inclined-plane e42 is respectively against together, while the first upper limit plane 32232, the second upper limit plane 33232, third upper limit plane 34232 and the 4th upper limit plane 35232 supported respectively in the top of the top edge of the first storage tank 3211, the second storage tank 3311 Edge, the top edge of third storage tank 3411 and the 4th storage tank 3511 top edge, the first buffer unit 322, second is slow at this time It rushes component 332, third buffer unit 342 and the 4th buffer unit 352 and is flipped up maximum angle, stand-by power battery 2 Stand-by power battery 2 can be easily removed by hit the ceiling, people.

Preferably, the first support surface 32231 is gradually tilted towards 321 direction of the first pedestal from the bottom to top, and the first support surface 32231 and the angle of battery first face are 25-35 °；First upper limit plane 32232 is from the bottom to top gradually towards battery first face Direction tilts, and the angle of the first upper limit plane 32232 and battery first face is 25-35 °.The present invention is in actual use process In, this structure can make the first elastic layer 32233, the second elastic layer 33233, third elastic layer 34233 and the 4th elastic layer 35233 It is also at corresponding heeling condition, and then in the first buffer unit 322, the second buffer unit 332,342 and of third buffer unit In 4th buffer unit, 352 switching process, make the first elastic layer 32233, the second elastic layer 33233,34233 and of third elastic layer Each side tenderness Elastic Contact of 4th elastic layer 35233 and stand-by power battery 2.

Preferably, the first support surface 32231 is gradually tilted towards 321 direction of the first pedestal from the bottom to top, and the first support surface 32231 and the angle of battery first face are 30 °；First upper limit plane 32232 is from the bottom to top gradually towards battery first face side To inclination, and the angle of the first upper limit plane 32232 and battery first face is 30 °.

In order to make the first buffer unit 322, the second buffer unit 332, third buffer unit 342 and the 4th buffer unit 352 overturning operations more steady and smooth, it is preferable that the present invention includes two the first companies for being divided into 32211 both ends of first rotating shaft Extension bar 32214, two the second connecting rods 33214 for being divided into 33211 both ends of the second shaft, two are divided into third shaft The third connecting rod 34214 at 34211 both ends, two the 4th connecting rods 35214 for being divided into 35211 both ends of the 4th shaft.

Preferably, the first groove bottom 32113 is equipped with the first pivoting portion being pivotally connected with head rod 32214；Second slot bottom Face 33113 is equipped with the second pivoting portion being pivotally connected with the second connecting rod 33214；Third groove bottom 34113 is equipped with and third connecting rod The third articulated section of 34214 pivot joints；4th groove bottom 35113 is equipped with the 4th articulated section being pivotally connected with the 4th connecting rod 35214.

For the more uniform balance of the buffering to stand-by power battery 2, it is preferable that the present invention includes multiple along first rotating shaft 32211 the first evenly distributed buffering compression spring b13, multiple second buffering compression spring b23s evenly distributed along the second shaft 33211, Multiple evenly distributed along third shaft 34211 thirds buffering compression spring b33, it is multiple along the 4th shaft 35211 it is evenly distributed the Four buffering compression spring b43.

For the more uniform balance of the buffering to stand-by power battery 2, it is preferable that the present invention include multiple uniform supports in 3111 bottom wall of lower groove and the compression spring between block roof is supported, multiple uniform supports are in 3111 side wall of the first lower groove and first The first side pressure spring 31221 between block side wall is supported, multiple uniform supports support block in 3111 side wall of the second lower groove and second The second side pressure spring 31222 between side wall, multiple uniform supports in 3111 side wall of third lower groove and third support block side wall it Between third side pressure spring 31223 and multiple uniform supports between 3111 side wall of the 4th lower groove and the 4th support block side wall The 4th side pressure spring 31224.

Preferably, block side wall is supported with first respectively, second supports block side in four bottom edge for supporting positioning protrusion 31211 Wall, third support block side wall and the 4th and support the first parallel bottom edge of block side wall, the second bottom edge, third bottom edge and the 4th bottom Side；It supports positioning protrusion 31211 and is formed with the first row air drain f1 for extending to the first bottom edge midpoint by tip, extended by tip To the second row air drain f2 of the second bottom edge midpoint, the third air discharge duct f3 of third bottom edge midpoint is extended to by tip, by point End extends to the 4th air discharge duct f4 of the 4th bottom edge midpoint.The present invention in actual use, when supporting positioning protrusion 31211 with support positioning groove match contact when, first row air drain f1, second row air drain f2, third air discharge duct f3 and the 4th Air discharge duct f4 can will support positioning protrusion 31211 and support the air discharge of positioning groove contact surface especially bottom end, convenient for supporting Top positioning protrusion 31211 and the close-fitting contact for supporting positioning groove improve guiding and positioning accurate to stand-by power battery 2 Degree.

Preferably, 32221 edge of the first support face is formed with the first chamfering, and the angle of the first chamfering and horizontal plane is 30 °； Second support face, 33221 edge is formed with the second chamfering, and the angle of the second chamfering and horizontal plane is 30 °；Third support face 34221 Edge is formed with third chamfering, and the angle of third chamfering and horizontal plane is 30 °；4th support face, 35221 edge is formed with the 4th The angle of chamfering, 4th chamfering and horizontal plane is 30 °.The present invention in actual use, when stand-by power battery 2 rises to When top, the first chamfering, the second chamfering, third chamfering and 4th chamfering can be used as supporting plane to stand-by power battery 2 into Row gentle support.

Preferably, the first pedestal 321, the second pedestal 331, third pedestal 341 and the fixation of the 4th pedestal 351 are embedded at automobile In the front of main body or rear portion babinet.

The product form of the present invention is not limited to this case diagram and embodiment, anyone carries out it the appropriate of similar thinking Changes or modifications all should be regarded as the patent category for not departing from the present invention.

Claims (10)

1. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable, including car body, the car body have Controller, motive power battery and the coulometric detector for detecting motive power battery capacity；It is characterized in that：Further include replaceable standby With power battery, and the loading attachment of loading stand-by power battery；

The stand-by power battery and the motive power cell parallel, the motive power battery has to be controlled by the controller First control switch, the stand-by power battery has to be switched by the second control that the controller controls；The motive power electricity Circuit where pond is the first branch, and circuit where the stand-by power battery is the second branch, the first branch and second There is the first node in one end and the second node in the other end, the first control switch to be set to described first on road Road is set in the second branch close to the first node, the second control switch close to the first node；It is described It is also associated with third branch between the first branch and the second branch, the third branch road is equipped with the controlled by the controller Three control switches；The third branch has the third node that is connect with the first branch and is connect with the second branch Fourth node, the third node are between the motive power battery and the first control switch, and the fourth node is in institute It states between stand-by power battery and the second control switch；

The loading attachment includes the loading main body being below and the loading lid in top；The stand-by power battery tool There is a battery upper side upward, battery downside directed downwardly, and in laterally adjacent battery first face, battery successively The 4th side of two side faces, battery third side and battery；The loading main body includes and the battery first face, battery second Side, the corresponding first side buffer unit in battery third side and the 4th side of battery, the second side buffer unit, third side Buffer unit and the 4th side buffer unit；

First side buffer unit includes the first pedestal and carries out elasticity towards the battery first face on the first pedestal The first buffer unit supported；First buffer unit includes horizontally arranged and parallel in the first of the battery first face Cylindrical portion, be formed in the first cylindrical portion and extend along the first cylindrical portion and support below the stand-by power battery first Supporting part, and be formed in the first cylindrical portion and extend along the first cylindrical portion and opposite with the battery first face first supports Top；On the cross section of first buffer unit, the central angle number of degrees corresponding to first cylindrical portion are more than described the The central angle number of degrees corresponding to one supporting part and the first top；The First body is formed with towards the battery first face And the first storage tank of first cylindrical portion is housed, first storage tank has medial surface on be in upside first, place In first time medial surface of downside and in slot bottom first groove bottom parallel with the battery first face；On described first Medial surface is equal with the diameter of the first cylindrical portion to the distance between first time medial surface；First cylindrical portion is matched Equipped with first rotating shaft, the axis of the first rotating shaft be in first storage tank upper edge and lower edge institute planar, First cylindrical portion has prominent curved portion on protrude from the outside of first storage tank top edge first and protrudes from institute State first time prominent curved portion on the outside of the first storage tank lower edge；The first rotating shaft and first groove bottom pass through level The head rod of setting connects, and the head rod is articulated and can be spun upside down with first groove bottom； First top has the first support surface and corresponding first storage tank top edge of the corresponding battery first face And lower end and the first upper limit plane that prominent curved portion is connected on described first, first upper limit plane hold with described first Setting has gap angle on first between slot top edge, and first support surface is resisted against the battery first face equipped with elasticity The first elastic layer that is upper and gradually thickeing from the bottom to top；First elastic layer only connect with first support surface, and with institute State the first supporting part sliding contact；First elastic layer has the first elastic connecting contacting surface towards the battery first face, First Elastic Contact face includes in the lower part first vertical contact surface parallel with the battery first face and smoothly It is connected to the first arc contact surface being gradually bent above the first lower contact surface and towards first pedestal direction from the bottom to top, The first elastic connecting contacting surface is covered with the first resin smooth layer；First supporting part has the corresponding battery downside simultaneously With under the first support face, the first lower surface directed downwardly and corresponding first storage tank that first support surface lower end is connected The first lower limit plane that edge and upper end are connected with described first time prominent curved portion, the first lower limit plane and described the There is first time gap angle between one storage tank lower edge；First cylindrical portion is formed with the of the accommodating first rotating shaft One strip-shaped hole, first strip-shaped hole is horizontally disposed, and first strip-shaped hole has towards the first of the battery first face Distal shaft end and the first proximal ends towards first storage tank, first proximal ends are the circumferential surface phase with the first rotating shaft Matched arc-shaped and the first proximal ends axis are identical as the axis of the first cylindrical portion, and first distal shaft end is to arc-shaped The distance of the first proximal ends axis be more than first distal shaft end to the first rotating shaft axis distance, described first turn It is opened between axis and first distal shaft end and is equipped with the first buffering compression spring；Medial surface is formed with multiple with described first on described first The first parallel upper hopper chute of connecting rod, first time medial surface are formed with multiple parallel with the head rod One gliding groove, the circumferential surface of first cylindrical portion are formed with multiple axis perpendiculars with the first cylindrical portion and with each above-mentioned first Upper hopper chute and the first gliding groove match the first annular protrusion of sliding；First buffer unit is equipped with the first buffering of holding The first state of part turnover state keeps tension spring, and the first state holding tension spring has to be connect with first buffer unit The first tension spring upper end and the first tension spring lower end for being connect with first pedestal lower part, first buffer unit is equipped with and institute Interconnecting piece on the first of the first tension spring upper end connection is stated, first pedestal is equipped with first connect with first tension spring upper end Lower interconnecting piece；The line for defining first time interconnecting piece and the first rotating shaft center is the first line, the first rotating shaft The line of interconnecting piece is the second line on center and described first, and the top extended line of first line is in described second and connects The top of the top extended line of line, between the top extended line of first line and the top extended line of second line The angle number of degrees are the half of the gap angle number of degrees on described first；

The second side buffer unit includes the second pedestal and carries out elasticity towards the battery second side on the second pedestal The second buffer unit supported；Second buffer unit includes horizontally arranged and parallel in the second of the battery second side Cylindrical portion, be formed in the second cylindrical portion and extend along the second cylindrical portion and support below the stand-by power battery second Supporting part, and be formed in the second cylindrical portion and extend along the second cylindrical portion and opposite with the battery second side second supports Top；On the cross section of second buffer unit, the central angle number of degrees corresponding to second cylindrical portion are more than described the The central angle number of degrees corresponding to two supporting parts and the second top；Second pedestal is formed with towards the battery second side And the second storage tank of second cylindrical portion is housed, second storage tank has medial surface on be in upside second, place In second time medial surface of downside and in slot bottom second groove bottom parallel with the battery second side；On described second Medial surface is equal with the diameter of the second cylindrical portion to the distance between second time medial surface；Second cylindrical portion is matched Equipped with the second shaft, the axis of second shaft be in second storage tank upper edge and lower edge institute planar, Second cylindrical portion has prominent curved portion on protrude from the outside of second storage tank top edge second and protrudes from institute State second time prominent curved portion on the outside of the second storage tank lower edge；Second shaft and second groove bottom pass through level The the second connecting rod connection being arranged, second connecting rod are articulated and can be spun upside down with second groove bottom； Second top has the second support surface and corresponding second storage tank top edge of the corresponding battery second side And lower end and the second upper limit plane that prominent curved portion is connected on described second, second upper limit plane hold with described second Setting has gap angle on second between slot top edge, and second support surface is resisted against the battery second side equipped with elasticity The second elastic layer that is upper and gradually thickeing from the bottom to top；Second elastic layer only connect with second support surface, and with institute State the second supporting part sliding contact；Second elastic layer has the second elastic connecting contacting surface towards the battery second side, Second Elastic Contact face includes in the lower part second vertical contact surface parallel with the battery second side and smoothly It is connected to the second arc contact surface being gradually bent above the second lower contact surface and towards second pedestal direction from the bottom to top, The second elastic connecting contacting surface is covered with the second resin smooth layer；Second supporting part has the corresponding battery downside simultaneously With under the second support face, the second lower surface directed downwardly and corresponding second storage tank that second support surface lower end is connected The second lower limit plane that edge and upper end are connected with described second time prominent curved portion, the second lower limit plane and described the There is second time gap angle between two storage tank lower edges；Second cylindrical portion is formed with the of accommodating second shaft Two strip-shaped holes, the second bar shaped hole horizontal setting, second strip-shaped hole have towards the second of the battery second side Distal shaft end and the second proximal ends towards second storage tank, second proximal ends are the circumferential surface phase with second shaft Matched arc-shaped and the second proximal ends axis are identical as the axis of the second cylindrical portion, and second distal shaft end is to arc-shaped The distance of the second proximal ends axis be more than second distal shaft end to second shaft axis distance, described second turn It is opened between axis and second distal shaft end and is equipped with the second buffering compression spring；Medial surface is formed with multiple with described second on described second The second parallel upper hopper chute of connecting rod, second time medial surface are formed with multiple parallel with second connecting rod Two gliding grooves, the circumferential surface of second cylindrical portion are formed with multiple axis perpendiculars with the second cylindrical portion and with each above-mentioned second Upper hopper chute and the second gliding groove match the second annular protrusion of sliding；Second buffer unit is equipped with the second buffering of holding Second state of part turnover state keeps tension spring, and the second state holding tension spring has to be connect with second buffer unit The second tension spring upper end and the second tension spring lower end for being connect with second pedestal lower part, second buffer unit is equipped with and institute Interconnecting piece on the second of the second tension spring upper end connection is stated, second pedestal is equipped with second connect with second tension spring upper end Lower interconnecting piece；The line for defining second time interconnecting piece and second spindle central is third line, second shaft The line of interconnecting piece is the 4th line on center and described second, and the top extended line of the third line is in the described 4th and connects The top of the top extended line of line, the angle between the top extended line and the top extended line of the 4th line of the third line The number of degrees are the half of the gap angle number of degrees on described second；

Third side buffer unit includes third pedestal and carries out elasticity towards battery third side on third pedestal The third buffer unit supported；The third buffer unit includes the horizontally arranged and parallel third in battery third side Column portion, be formed in third cylindrical portion and along third cylindrical portion extend and third of the support below the stand-by power battery hold Support portion, and be formed in third cylindrical portion and along third cylindrical portion extend and the third opposite with battery third side support Portion；On the cross section of the third buffer unit, the central angle number of degrees corresponding to the third cylindrical portion are more than the third The central angle number of degrees corresponding to supporting part and third top；The third pedestal is formed with towards battery third side simultaneously The third storage tank of the third cylindrical portion is housed, the third storage tank has medial surface in the third in upside, is in Medial surface and in the slot bottom third groove bottom parallel with battery third side under the third of downside；In in the third The distance between medial surface is equal with the diameter of third cylindrical portion under side to the third；The third cylindrical portion is arranged Have a third shaft, the axis of the third shaft be in the third storage tank upper edge and lower edge institute planar, institute Stating third cylindrical portion has prominent curved portion in the third protruded from the outside of third storage tank top edge and protrudes from described Prominent curved portion under third on the outside of third storage tank lower edge；The third shaft and the third groove bottom are set by level The third connecting rod connection set, the third connecting rod are articulated and can be spun upside down with the third groove bottom；Institute State third top have corresponding battery third side third support surface and corresponding third storage tank top edge and Lower end and the third upper limit plane that prominent curved portion is connected in the third, the third upper limit plane are accommodating with the third There is gap angle in third, the third support surface is resisted against equipped with elasticity on battery third side between slot top edge And the third elastic layer gradually to thicken from the bottom to top；The third elastic layer only connect with the third support surface, and with it is described The sliding contact of third supporting part；The third elastic layer has the third elastic connecting contacting surface towards battery third side, institute It includes connecting in the lower part vertical contact surface of third parallel with battery third side and smoothly to state third Elastic Contact face It is connected to the third arc contact surface being gradually bent above third lower contact surface and towards third pedestal direction from the bottom to top, institute It states third elastic connecting contacting surface and is covered with third resin smooth layer；The third supporting part have the corresponding battery downside and with Third support face, third lower surface directed downwardly and the corresponding third storage tank that third support surface lower end is connected are following Edge and upper end and the third lower limit plane that prominent curved portion is connected under the third, the third lower limit plane and the third There is gap angle under third between storage tank lower edge；The third cylindrical portion is formed with the third of the accommodating third shaft Strip-shaped hole, the third bar shaped hole horizontal setting, the third strip-shaped hole have the third towards battery third side remote Shaft end and third proximal ends towards the third storage tank, the third proximal ends are the circumferential surface phase with the third shaft Arc-shaped and third proximal ends the axis matched is identical as the axis of third cylindrical portion, third distal shaft end to arc-shaped institute The distance for stating third proximal ends axis is more than third distal shaft end to the distance of the third shaft axis, the third shaft It is opened between third distal shaft end and is equipped with third buffering compression spring；Medial surface is formed with the multiple and third and connects in the third The parallel third upper hopper chute of extension bar, medial surface is formed with multiple thirds parallel with the third connecting rod under the third Gliding groove, the circumferential surface of the third cylindrical portion be formed with multiple axis perpendiculars with third cylindrical portion and in each above-mentioned third Sliding slot and third gliding groove match the third annular protrusion of sliding；The third buffer unit, which is equipped, keeps third buffer part The third state of part rollover states keeps tension spring, and the third state keeps tension spring to have connecting with the third buffer unit Third tension spring upper end and the third tension spring lower end being connect with third pedestal lower part, the third buffer unit be equipped with it is described Interconnecting piece in the third of third tension spring upper end connection, the third pedestal are equipped under the third being connect with third tension spring upper end Interconnecting piece；The line for defining interconnecting piece and the third spindle central under the third is the 5th line, in the third shaft The line of the heart and interconnecting piece in the third is the 6th line, and the top extended line of the 5th line is in the 6th line Top extended line top, the angle degree between the top extended line and the top extended line of the 6th line of the 5th line Number is the half of the gap angle number of degrees in the third；

The 4th side buffer unit includes the 4th pedestal and carries out elasticity towards the 4th side of the battery on the 4th pedestal The 4th buffer unit supported；4th buffer unit includes horizontally arranged and parallel in the 4th of the 4th side of the battery Column portion is formed in the 4th cylindrical portion and extends along the 4th cylindrical portion and support the 4th holding below the stand-by power battery Support portion, and be formed in the 4th cylindrical portion and extend along the 4th cylindrical portion and the opposite with the 4th side of the battery the 4th supports Portion；On the cross section of the 4th buffer unit, the central angle number of degrees corresponding to the 4th cylindrical portion are more than the described 4th The central angle number of degrees corresponding to supporting part and the 4th top；4th pedestal is formed with towards the 4th side of the battery simultaneously The 4th storage tank of the 4th cylindrical portion is housed, the 4th storage tank has medial surface on the be in upside the 4th, is in Four times medial surfaces of downside and in slot bottom fourth groove bottom parallel with the 4th side of the battery；In on described 4th Side is equal with the diameter of the 4th cylindrical portion to the distance between four times medial surfaces；4th cylindrical portion is arranged Have the 4th shaft, the axis of the 4th shaft be in the 4th storage tank upper edge and lower edge institute planar, institute Stating the 4th cylindrical portion has prominent curved portion on the protrude from the outside of the 4th storage tank top edge the 4th and protrudes from described The four times prominent curved portions on the outside of 4th storage tank lower edge；4th shaft and the 4th groove bottom are set by level The 4th connecting rod connection set, the 4th connecting rod are articulated and can be spun upside down with the 4th groove bottom；Institute State the 4th top have corresponding the 4th side of battery the 4th support surface and the corresponding 4th storage tank top edge and Lower end and the 4th upper limit plane that prominent curved portion is connected on the described 4th, the 4th upper limit plane are accommodating with the described 4th There is gap angle on the 4th, the 4th support surface is resisted against equipped with elasticity on the 4th side of the battery between slot top edge And the 4th elastic layer gradually to thicken from the bottom to top；4th elastic layer only connect with the 4th support surface, and with it is described 4th supporting part sliding contact；4th elastic layer has the 4th elastic connecting contacting surface towards the 4th side of the battery, institute It includes connecting in lower part the 4th vertical contact surface parallel with the 4th side of the battery and smoothly to state the 4th Elastic Contact face It is connected to the 4th arc contact surface being gradually bent above the 4th lower contact surface and towards the 4th pedestal direction from the bottom to top, institute It states the 4th elastic connecting contacting surface and is covered with the 4th resin smooth layer；4th supporting part have the corresponding battery downside and with The 4th support face, the 4th lower surface directed downwardly and corresponding 4th storage tank that the 4th support surface lower end is connected are following The 4th lower limit plane that edge and upper end are connected with described the four times prominent curved portions, the 4th lower limit plane and the described 4th There are the four times gap angles between storage tank lower edge；4th cylindrical portion is formed with the 4th of accommodating 4th shaft Strip-shaped hole, Article 4 shape hole horizontal setting, Article 4 shape hole have towards the 4th remote of the 4th side of the battery Shaft end and the 4th proximal ends towards the 4th storage tank, the 4th proximal ends are the circumferential surface phase with the 4th shaft Arc-shaped and the 4th proximal ends the axis matched is identical as the axis of the 4th cylindrical portion, the 4th distal shaft end to arc-shaped institute The distance for stating the 4th proximal ends axis is more than the 4th distal shaft end to the distance of the 4th shaft axis, the 4th shaft It is opened between the 4th distal shaft end and is equipped with the 4th buffering compression spring；Medial surface is formed with multiple and described 4th company on described 4th The 4th parallel upper hopper chute of extension bar, the four times medial surfaces are formed with multiple parallel with the 4th connecting rod four Gliding groove, the circumferential surface of the 4th cylindrical portion be formed with multiple axis perpendiculars with the 4th cylindrical portion and on each above-mentioned 4th Sliding slot and the 4th gliding groove match the fourth annular protrusion of sliding；4th buffer unit, which is equipped, keeps the 4th buffer part 4th state of part rollover states keeps tension spring, and the 4th state keeps tension spring to have connecting with the 4th buffer unit 4th tension spring upper end and the 4th tension spring lower end being connect with the 4th pedestal lower part, the 4th buffer unit be equipped with it is described Interconnecting piece on the 4th of 4th tension spring upper end connection, the 4th pedestal are equipped under the 4th connect with the 4th tension spring upper end Interconnecting piece；The line of the four times interconnecting pieces and the 4th spindle central is defined for the 7th line, in the 4th shaft The line of interconnecting piece is the 8th line on the heart and the described 4th, and the top extended line of the 7th line is in the 8th line Top extended line top, the angle degree between the top extended line and the top extended line of the 8th line of the 7th line Number is the half of the gap angle number of degrees on the described 4th；

First support face has the first support face edge below the stand-by power battery, second support face With the second support face edge below the stand-by power battery, third support face has in described spare dynamic Third support face edge below power battery, the 4th support face have the below the stand-by power battery the 4th to hold Support edge；The distance at the battery first face to first support face edge is more than first buffer unit to described The maximum distance slided in first storage tank, the distance of the battery second side to second support face edge is more than described The maximum distance that second buffer unit is slided into second storage tank, battery third side to third support face The distance at edge is more than the maximum distance that the third buffer unit is slided into the third storage tank, the 4th side of the battery The distance at face to the 4th support face edge is more than the maximum that the 4th buffer unit is slided into the 4th storage tank Distance；

The loading lid includes cap body, and carries out elasticity to the top of the stand-by power battery and push the pushing supported Support device；The cap body has and is articulated at the top of the buffer unit of first side and can be spun upside down Pivot end, and with the buckle end that is fastened togather at the top of the buffer unit of the third side；The lower surface shape of the cap body At the lower groove for having the accommodating pushing to support device, it includes the pushing being placed in the lower groove that device is supported in the pushing Support block and multidirectional buffer unit；The lower groove in a rectangular parallelepiped shape, have in top recessed groove bottom wall and respectively with The battery first face, battery second side, parallel the first lower groove side in battery third side and the 4th side of battery Wall, the second recessed groove sidewall, the recessed groove sidewall of third and the 4th recessed groove sidewall；The pushing supports block in a rectangular parallelepiped shape, and There is gap between the madial wall of the lower groove；Block is supported in the pushing has support corresponding with the recessed groove bottom wall Jacking block roof supports block bottom wall towards the stand-by power battery, and correspond to respectively successively the described first recessed groove sidewall, Second recessed groove sidewall, the recessed groove sidewall of third and the 4th recessed groove sidewall first support block side wall, second support block side wall, Third supports block side wall and the 4th and supports block side wall；The multidirectional buffer unit includes being located at the recessed groove bottom wall and supporting Compression spring between block roof is located at the described first recessed groove sidewall and first and supports the first side pressure spring between block side wall, It is located at the described second recessed groove sidewall and second and supports the second side pressure spring between block side wall, be located at the third lower groove Side wall and third support the third side pressure spring between block side wall, and are located at the 4th recessed groove sidewall and the 4th and support block 4th side pressure spring between side wall；The positioning protrusion of supporting supported block bottom wall and be formed with downwardly projecting positive tetrapyamid shape, institute It states stand-by power battery and is formed with the matching positioning groove of supporting for supporting positioning protrusion, and described support positioning protrusion Height be more than the depth for supporting positioning groove；

The loading attachment further include in first side buffer unit, the second side buffer unit, third side buffer unit and First lower surface, the second lower surface, third lower surface and the 4th lower surface are supported below 4th side buffer unit Support device.

2. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable according to claim 1, it is characterised in that： The device of supporting includes directly being supported to first lower surface, the second lower surface, third lower surface and the 4th lower surface Column is supported on top, and the lifting drive of oscilaltion driving is carried out to supporting column；The top for supporting column is flat column, The top for supporting device have in upper end upper surface, and with the battery first face, battery second side, electricity Pond third side and the 4th side of battery correspond the first parallel cylinder, the second cylinder, third cylinder and the 4th cylinder； First lower surface, the second lower surface, third lower surface and the 4th lower surface are in horizontal plane and are respectively formed with and institute State the first cylinder, the second cylinder, third cylinder and the 4th cylinder corresponding first support slot, second support slot, third is supported Slot and the 4th supports slot；Described first to support slot include further away from the first lower limit plane and corresponding with first cylinder The first sliding bevel and the closer first lower limit plane the first limit inclined-plane, first sliding bevel and horizontal plane The angle number of degrees be equal to the first gap angle the number of degrees, first sliding bevel and it is described first limit inclined-plane it is perpendicular.

3. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable according to claim 2, it is characterised in that： First support surface is gradually tilted towards first pedestal direction from the bottom to top, and first support surface and the battery the The angle of one side is 25-35 °；First upper limit plane is gradually tilted towards the battery first face direction from the bottom to top, And the angle of first upper limit plane and the battery first face is 25-35 °.

4. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable according to claim 3, it is characterised in that： First support surface is gradually tilted towards first pedestal direction from the bottom to top, and first support surface and the battery the The angle of one side is 30 °；First upper limit plane is gradually tilted towards the battery first face direction from the bottom to top, and institute The angle for stating the first upper limit plane and the battery first face is 30 °.

5. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable according to any one of claim 1-4, It is characterized in that：The head rod for being divided into the first rotating shaft both ends including two, two are divided into described second Second connecting rod at shaft both ends, two third connecting rods for being divided into third shaft both ends, two are set up separately The 4th connecting rod in the 4th shaft both ends.

6. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable according to claim 5, it is characterised in that： First groove bottom is equipped with the first pivoting portion being pivotally connected with the head rod；Second groove bottom is equipped with and described the The second pivoting portion of two connecting rods pivot joint；The third groove bottom is equipped with the third articulated section being pivotally connected with the third connecting rod； 4th groove bottom is equipped with the 4th articulated section being pivotally connected with the 4th connecting rod.

7. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable according to claim 6, it is characterised in that： It is multiple evenly distributed along second shaft including multiple first buffering compression springs evenly distributed along the first rotating shaft The second buffering compression spring, multiple thirds evenly distributed along the third shaft buffer compression spring, multiple along the described 4th Evenly distributed the 4th buffering compression spring of shaft.

8. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable according to claim 7, it is characterised in that： In the recessed groove bottom wall and the compression spring between block roof is supported including multiple uniform supports, multiple uniform supports are in described Once recess sidewall and first supports the first side pressure spring between block side wall, and multiple uniform supports are in the described second recessed groove sidewall And second support the second side pressure spring between block side wall, multiple uniform supports support block in the recessed groove sidewall of the third and third Third side pressure spring and multiple uniform supports between side wall is between the 4th recessed groove sidewall and the 4th support block side wall The 4th side pressure spring.

9. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable according to claim 8, it is characterised in that： Four bottom edges for supporting positioning protrusion supported respectively with described first block side wall, second support block side wall, third supports block Side wall and the 4th supports the first parallel bottom edge of block side wall, the second bottom edge, third bottom edge and the 4th bottom edge；It is described to support positioning The first row air drain for extending to first bottom edge midpoint by tip is convexed to form, second bottom edge is extended to by tip The second row air drain of midpoint, the third air discharge duct of third bottom edge midpoint is extended to by tip, and institute is extended to by tip State the 4th air discharge duct of the 4th bottom edge midpoint.

10. a kind of low speed new energy electric motor vehicle that power in environmental protection source is conveniently replaceable according to claim 9, feature exist In：First support face edge is formed with the first chamfering, and the angle of first chamfering and horizontal plane is 30 °；Described second Support face edge is formed with the second chamfering, and the angle of second chamfering and horizontal plane is 30 °；Third support face edge shape At there is a third chamfering, the angle of the third chamfering and horizontal plane is 30 °；4th support face edge is formed with the 4th and falls The angle of angle, the 4th chamfering and horizontal plane is 30 °.