CN106515681B

CN106515681B - Battery replacement moving device and quick replacement system

Info

Publication number: CN106515681B
Application number: CN201611258195.5A
Authority: CN
Inventors: 张建平; 邸世勇; 李小冬
Original assignee: Shanghai Dianba New Energy Technology Co Ltd
Current assignee: Shanghai Dianba New Energy Technology Co Ltd
Priority date: 2016-12-30
Filing date: 2016-12-30
Publication date: 2020-06-19
Anticipated expiration: 2036-12-30
Also published as: CN111645561A; CN106515681A; CN111645560A; CN111645562A

Abstract

The invention provides a battery replacement mobile device and a quick change system, wherein the battery replacement mobile device comprises: the horizontal moving part is used for driving the whole battery replacing equipment to move horizontally and comprises a moving frame used for moving and providing a mounting base and a horizontal driving device used for driving the moving frame to move; the vertical lifting part is arranged on the horizontal moving part and used for driving the battery replacing platform to lift in the vertical direction; the battery installation part is installed on the vertical lifting part and used for replacing and disassembling the battery, and the battery installation part comprises a battery replacing platform and a battery unlocking device installed on the battery replacing platform. The vertical lifting part can reduce the operation height to the maximum extent, so that the required replacement space is reduced, the horizontal moving part can improve the motion stability and the accurate positioning, the battery at the bottom of the electric automobile can be automatically disassembled and replaced through the battery mounting part, and the whole scheme automatically realizes the disassembly and the transportation of the battery of the electric automobile and the replacement of a new battery.

Description

Battery replacement moving device and quick replacement system

Technical Field

The invention relates to the field of electric automobiles, in particular to a battery replacing mobile device capable of automatically realizing the disassembly and assembly of a battery of an electric automobile and a quick-change system adopting the battery replacing mobile device.

Background

The conventional battery mounting methods for electric vehicles are generally classified into a fixed type and a replaceable type, wherein the fixed type battery is generally fixed on the vehicle, and the vehicle is directly used as a charging object during charging. The replaceable battery is generally movably mounted, can be taken down at any time for replacement or charging, and is mounted on the vehicle body after replacement or charging is finished.

At present, batteries of electric automobiles are replaced by two operation modes, namely manual operation and automatic operation. In the automatic replacement mode, consideration needs to be given to how to detach the battery from the electric vehicle, and how to accurately mount the battery on the electric vehicle. Wherein the carrying of battery and the counterpoint of changing equipment all need control accurately, and the change space size of demand can be influenced to the height of equipment itself moreover, and change efficiency can be influenced to the change speed. At present, automatic battery replacement equipment for electric automobiles cannot be fully realized satisfactorily.

Disclosure of Invention

The invention aims to provide a battery replacing mobile device capable of automatically realizing the disassembly and assembly of a battery of an electric automobile and a quick-change system adopting the battery replacing mobile device.

Particularly, the battery replacement mobile device provided by the invention comprises:

the horizontal moving part is used for driving the whole battery replacing moving device to move horizontally and comprises a moving frame used for moving and providing a mounting base and a horizontal driving device used for driving the moving frame to move;

the vertical lifting part is arranged on the horizontal moving part and used for driving the battery replacing platform to lift in the vertical direction;

the battery installation part is installed on the vertical lifting part and used for replacing and disassembling the battery, and the battery installation part comprises a battery replacing platform and a battery unlocking device installed on the battery replacing platform.

In one embodiment of the present invention, the horizontal driving device includes a timing belt and a clamping driving device engaged with the timing belt and fixed to the moving frame, and the clamping driving device drives the moving frame to move horizontally along the timing belt.

In one embodiment of the present invention, the clamping driving device includes a synchronous pulley having a radial rack on an outer circumferential surface thereof, transition wheels respectively located on both sides of the synchronous pulley to clamp the synchronous belt on the synchronous pulley, and a motor to drive the synchronous pulley to rotate.

In one embodiment of the present invention, the horizontal driving device further includes a first sync base and a second sync base respectively fixing both ends of the sync belt; and the first synchronous seat and/or the second synchronous seat are/is provided with an adjusting device, and the adjusting device is used for adjusting the relaxation degree of the synchronous belt.

In an embodiment of the present invention, the adjusting device includes a clamping block for clamping the synchronous belt, and an adjusting portion for adjusting a position of the clamping block relative to the first or second synchronous base, the clamping block includes a clamping plate and a tooth base for clamping the synchronous belt from two sides, respectively, the adjusting portion includes an adjusting bolt fixed on the first or second synchronous base through a screw hole, and one end of the adjusting bolt is movably connected to the clamping block.

In an embodiment of the present invention, the horizontal moving part further includes a mounting bracket mounted on the moving frame, and a screw positioning device for adjusting a position of the mounting bracket relative to the moving frame, and the screw positioning device includes a screw driving device fixed on the moving frame, and a push plate fixed on the mounting bracket and connected to a screw on the screw positioning device.

In an embodiment of the present invention, the vertical lifting unit includes a scissor lift mechanism mounted on the movable frame, and a vertical driving mechanism for driving the scissor lift mechanism to vertically lift, the scissor lift mechanism includes a lifting plate for mounting the battery mounting portion, and the vertical driving mechanism is a hydraulic driving mechanism.

In one embodiment of the invention, the battery replacing platform comprises an upper plate, the upper plate is mounted at the top of the vertical lifting part, the unlocking device is mounted on the upper surface of the upper plate, and the unlocking device comprises a moving seat, an unlocking ejector rod vertically mounted on the upper surface of the moving seat, and a driving piece for driving the moving seat to horizontally move along the plane of the upper plate.

In an embodiment of the present invention, a movement driving device is further installed on the battery replacement platform, and the movement driving device is connected to the upper plate through a driving output end and is used for driving the upper plate to move along a horizontal direction.

In one embodiment of the invention, the movement driving device comprises a screw rod and a driving device for driving the screw rod to move, the screw rod is mounted at the driving output end of the driving device, a push plate is mounted on the screw rod, the push plate is connected with the screw rod through a threaded hole or fixedly mounted with a nut sleeved on the screw rod, and the push plate is fixedly mounted with the lower surface of the upper plate.

In one embodiment of the present invention, a battery tray is further mounted on the upper surface of the upper plate, a positioning rod for positioning is disposed on the lower surface of the tray, a fixing seat is mounted on the upper surface of the upper plate, the positioning rod is installed in cooperation with the fixing seat, the upper surface of the battery tray has a plurality of guide plates, and each guide plate has a groove with an upward opening.

In an embodiment of the present invention, the battery replacement moving device further includes a lower plate, the lower plate is installed below the upper plate, the movement driving device is installed on a lower surface of the lower plate through a fixing seat, a driving output end of the movement driving device is connected to a push plate, the push plate passes through a sliding hole of the lower plate and is fixed to the lower surface of the upper plate, and the movement driving device drives the upper plate to horizontally move relative to the lower plate.

In one embodiment of the present invention, a sliding device is installed between the upper plate and the lower plate, the sliding device includes a sliding rail fixed to an upper surface of the lower plate, and a slider fixed to a lower surface of the upper plate, and the slider is engaged with the sliding rail.

In one embodiment of the present invention, a sliding plate for reducing friction between the upper and lower plates is installed between the upper and lower plates.

In an embodiment of the invention, the power conversion moving device further comprises a power part, and the power part comprises a power supply for supplying power to the horizontal driving device and the vertical lifting part, and a control unit for controlling the actions of all the components according to instructions.

One embodiment of the present invention provides a quick change system, including:

the battery rack is used for placing a replacement battery for the electric automobile and a battery to be charged which is replaced from the electric automobile;

the stacker crane is used for placing the replaced battery to be charged into the battery rack and simultaneously taking down the replaced battery from the battery rack;

the battery replacing mobile device is further included.

The battery replacing mobile device can automatically realize the disassembly and replacement of the battery of the electric automobile, and can reduce the operation height to the maximum extent on the replacement structure, so that the height of the lifting arm is reduced as much as possible within the range of bearing the weight of the battery, thereby reducing the required replacement space. By adopting the lifting structure in the cross shape, the lifting height can be accurately controlled, and the stability of the whole lifting process in the vertical direction is ensured. The motion stability can be improved by utilizing the synchronous belt.

Drawings

Fig. 1 is a schematic structural view of a quick-change system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a battery swapping mobile device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a horizontal driving apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a clamp driving device according to an embodiment of the present invention;

FIG. 5 is a schematic view of a load-bearing wheel according to one embodiment of the present invention;

FIG. 6 is a schematic structural view of a guide wheel according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a second synchronizer key according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a screw driving apparatus according to an embodiment of the present invention;

FIG. 9 is a schematic view of a scissor lift mechanism according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a battery mounting portion according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of the bottom of a battery mounting portion in accordance with an embodiment of the present invention;

FIG. 12 is a schematic view of the structure of a sliding apparatus according to an embodiment of the present invention;

FIG. 13 is a schematic structural view of an unlocking device according to an embodiment of the present invention;

FIG. 14 is a schematic perspective view of FIG. 13;

FIG. 15 is an exploded view of a swapping platform according to an embodiment of the present invention;

fig. 16 is a schematic structural view of a battery tray according to an embodiment of the present invention;

FIG. 17 is a perspective view of FIG. 16;

FIG. 18 is a schematic structural view of a guide plate according to an embodiment of the present invention;

fig. 19 is a perspective view of the positioning rod of fig. 16.

Detailed Description

As shown in fig. 1, the quick-change system 100 of an embodiment of the present invention generally includes a battery rack 101, a stacker 102, and a battery-change moving device 103.

The battery rack 101 is used for placing a replacement battery for the electric automobile 105 and a battery to be charged which is replaced by the electric automobile 105; comprises a plurality of laying layers formed by frames.

The battery replacement mobile device 103 is used for taking down and conveying a battery to be charged on the electric automobile 105 to the stacker crane 102, and meanwhile, the replacement battery 104 can be received by the stacker crane 102 and installed on the electric automobile 105; the device comprises a lifting device which can walk and can lift the battery 104 to lift, and a battery installation part which is arranged on the lifting device and used for automatically taking down the battery to be charged on the electric automobile 105 or automatically installing a replacement battery on the electric automobile 105.

The stacker crane 102 is used for placing a battery to be charged, which is replaced by the battery replacement mobile device 103, into the battery rack 101, and simultaneously taking down a replacement battery from the battery rack 101 and placing the replacement battery on the battery replacement mobile device 103; the stacker crane 102 moves horizontally and vertically relative to the battery rack 101 through rails, and includes an extendable telescopic rack for taking and placing the battery 104.

When the automatic battery quick-change system works, the battery rack 101, the stacker crane 102 and the battery-change moving device 103 form a complete automatic battery quick-change system for the electric automobile, and the automatic battery quick-change system can realize assembly line battery quick-change operation for a plurality of electric automobiles. During replacement, as long as the electric automobile stops at the designated position, the automatic replacement of the battery can be completed within five to ten minutes, the whole replacement process does not need manual intervention at all, the labor intensity can be reduced, and the replacement efficiency is greatly improved.

As shown in fig. 2, the battery replacement moving device according to an embodiment of the present invention generally includes a horizontal moving unit a for driving the battery replacement moving device 103 to move horizontally, a vertical lifting unit B for providing a lifting function, a battery mounting unit C for unlocking and mounting a battery, and a power unit D for providing power for the operations of the components.

The horizontal moving part A is used for driving the battery replacement moving device 103 to move in the battery taking, placing and replacing processes; comprises a moving frame A10 for moving and providing a mounting base, and a horizontal driving device A20 fixed along an electric circuit line for driving the moving frame A10 to move.

The vertical lifting part B is arranged on the horizontal moving part A and is used for lifting in the vertical direction so as to facilitate the replacement of the battery, and comprises a scissor type lifting mechanism arranged on a moving frame A10 and a vertical driving mechanism for driving the scissor type lifting mechanism to lift.

The battery mounting part C is arranged at the top of the vertical lifting part B and is used for placing a battery to be replaced or a replaced battery, and meanwhile, the battery on the electric automobile is detached and mounted under the control of the control unit; the electric vehicle battery replacing device comprises a battery replacing platform arranged at the upper end of a scissor type lifting mechanism, wherein the battery replacing platform comprises an upper plate C10 and an unlocking device C50 used for unlocking a battery which is arranged on the electric vehicle and is in a locked state.

The power unit D is attached to the moving frame a10 and is used to provide power and control for the operation of each device.

When the electric vehicle works, the battery replacement moving device 103 moves to the bottom of the electric vehicle under the control of the horizontal moving part A, the scissor type lifting mechanism is driven by the vertical driving mechanism to ascend, so that the battery installation part C is in contact with a battery to be replaced on the electric vehicle, the battery to be replaced is unlocked in a locking state by the unlocking device C50, and the unlocked battery to be replaced directly falls on the upper plate C10; the scissor type lifting mechanism is controlled to descend through the vertical driving mechanism, the moving frame A10 is driven to move to the battery frame 101 through the horizontal driving device A20, the battery to be replaced is taken down by the stacker crane 102, and meanwhile a new battery is replaced; the horizontal driving device a20 drives the moving frame a10 to move to the lower part of the electric automobile 105, and the scissor type lifting mechanism is used for driving the upper plate C10 to lift, so that the upper battery is clamped into the battery mounting frame of the electric automobile 105 and is automatically locked. The scissor lift mechanism is controlled by the vertical driving mechanism to descend, and then the horizontal driving device A20 drives the moving frame A10 to move out of the bottom of the electric automobile 105 and return to the standby position, so that the automatic battery quick-change process of the electric automobile 105 is completed.

As shown in fig. 3, in one embodiment of the present invention, the horizontal driving means a20 includes a timing belt a21 with a radial rack, and a grip driving means a22 engaged with the timing belt a21 and fixed to the moving frame a 10.

The movable frame A10 can adopt a rectangular frame structure, and can be used as a base for mounting each part, the synchronous belt A21 is arranged along an electricity changing line, two ends of the synchronous belt are fixedly mounted through fixing seats, the clamping driving device A22 is fixed on the movable frame A10, the clamping driving device A22 not only forms a meshing relationship with the synchronous belt A21, but also provides working power, and a rack on the synchronous belt A21 can prevent the synchronous belt A21 from sliding relative to the clamping driving device A22, so that when the clamping driving device A22 acts, the movable frame A10 can be pushed to move along the synchronous belt A21 through the meshing force with the synchronous belt A21, and the purposes of controlling the movable frame A10 to move and accurately stop at any specified position are achieved.

A mounting bracket a12 may be further provided on the moving bracket a10, and the mounting bracket a12 is movably mounted on the moving bracket a10 to serve as a base for mounting the lifting part.

As shown in fig. 4, in one embodiment of the present invention, the clamping driving device a22 may include a timing pulley a221 having a radial rack on an outer circumferential surface thereof, and a transition wheel a222 respectively located on both sides of the back and forth rotation direction of the timing pulley a221 to clamp the timing belt a21 on the outer circumference of the timing pulley a221, and a motor a223 to drive the timing pulley a221 to rotate. When the synchronous belt A21 works, one side of the synchronous belt A21 with a rack is attached to the outer circumference of the synchronous pulley A221, the rack on the synchronous belt A21 is meshed with the rack on the synchronous pulley A221, the two transition wheels A222 are positioned on the other side of the synchronous belt A21, and the synchronous belt A21 is limited on the outer circumference surface of the synchronous pulley A221, so that the contact area between the synchronous belt A21 and the synchronous pulley A221 is increased, and the meshing force during driving is improved. Further, a speed reducer may be further installed between the motor a223 and the timing pulley a 221. The clamping driving device A22 can be fixed on the movable frame A10 through a fixed seat.

In one embodiment of the present invention, an installation frame a12 is further installed on the moving frame a10, and a screw positioning device for adjusting the relative position between the moving frame a10 and the installation frame a12 is installed between the moving frame a10 and the installation frame a12, and the screw positioning device includes a screw driving device a31 fixed on the moving frame a10 and perpendicular to the traveling direction of the moving frame a10, and a push plate a32 fixed on the installation frame a12 and connected with the screw driving device a 31. The movement of the lead screw drive A31 pushes the push plate A32 to adjust the position of the mounting bracket A12 relative to the moving bracket A10 in a direction perpendicular to the normal moving direction of the mounting bracket A12.

As shown in fig. 8, in one embodiment of the present invention, the screw driving device a31 may include a screw a315 and a servo motor a311 for driving the screw a315 to rotate, and a reducer a312 installed between the servo motor a311 and the screw a 315. When the feeding mechanism works, the feeding motor A311 drives the screw rod A315 to rotate through the speed reducer A312, and then the push plate A32 moves. The push plate A32 can be directly connected with the screw rod A315 through a threaded hole, and can also be directly connected with the adjusting nut A314 sleeved on the screw rod A315. The whole screw rod positioning device can be fixed on the movable frame through a fixed seat. Further, a coupling a313 may be mounted between the speed reducer a312 and the screw a 315.

In one embodiment of the present invention, a slide a17 may be provided between the moving rack a10 and the mounting rack a12 to improve flexibility in moving the mounting rack a12 relative to the moving rack a 10. The sliding means a17 may include a sliding groove a171 installed on the moving frame a10, and a sliding block a172 fixed on the mounting frame a12 and caught on the sliding groove a 171. In other embodiments, the mounting positions of the slide groove a171 and the slider a172 may be reversed.

In one embodiment of the present invention, the moving rack a10 may further include two rails a14 installed in parallel with the timing belt a21, and the moving rack a10 is supported on the rails a14 by rollers installed at the bottom of the moving rack a 10. The burden on the horizontal driving device a20 can be reduced by the cooperation of the roller a13 and the rail a 14.

As shown in fig. 5 and 6, in an embodiment of the present invention, the roller a13 may include a cylindrical bearing wheel a131 located on the same side of the moving frame a10, and a guide wheel a132 with a convex ring located on both ends of the other side of the moving frame a 10. The guide wheel a132 may catch on track a14 and limit the travel of the carriage a10 from deviating from the prescribed path of track a14 or timing belt a 21. The bearing wheel a131 and the guide wheel a132 can be respectively mounted on a U-shaped fixed seat a15 through a shaft rod a133 passing through the axle center, and the fixed seat a15 is fixed with the movable frame a 10.

In one embodiment of the present invention, the horizontal driving device a20 may further include a first timing belt a23 and a second timing belt a24 that fix both ends of the timing belt a21, respectively. An adjusting device for adjusting the tightness degree of the timing belt a21 is installed on the first and/or second timing seats a23 and a24, and as shown in fig. 7, the adjusting device may include a clamping block a241 for clamping the timing belt a21, and an adjusting portion a242 for adjusting the position of the clamping block a241 with respect to the first and second timing seats a23 and a 24. The clamping block A241 is movably installed in the first sync block A23 or the second sync block A24 and connected with the adjusting part A242. The clamping block A241 is convenient for the adjusting part A242 to establish a connection relation with the synchronous belt A21, and the tightness degree of the synchronous belt A21 can be controlled by controlling the clamping block A241 to horizontally reciprocate along the extension direction of the synchronous belt. The first synchronization seat a23 and the second synchronization seat a24 can be fixed on the ground of the traveling route of the battery replacement device, and two ends of the synchronous belt are respectively fixed in the two synchronization seats, so that the synchronous belt a21 is suspended on the ground.

Further, in an embodiment of the present invention, the grip block a241 may include a grip plate a2411 and a tooth holder a2412 for gripping the timing belt from both upper and lower surfaces of the timing belt, respectively, and a tooth groove corresponding to the rack of the timing belt a21 may be provided on a surface of the tooth holder a2412 contacting the timing belt a21 for better gripping and fixing the timing belt. The holding plate a2411 and the tooth holder a2412 hold the timing belt a21, and then fix them with bolts, thereby forming a stable fixing structure. The adjusting part a242 may include an adjusting bolt fixed on the first sync block a23 or the second sync block a24 through a bolt hole, one end of the adjusting bolt is an adjusting end and is located outside the first sync block a23 or the second sync block a24, and the other end is movably connected with the clamping block a 241. During adjustment, the clamping block A241 can be pulled to approach or separate towards the first synchronizing seat A23 or the second synchronizing seat A24 by screwing the adjusting bolt.

As shown in fig. 9, one embodiment of the present invention discloses a vertical lift section B including a scissor lift mechanism B20 and a vertical drive mechanism B30. The scissor lift mechanism B20 is used for achieving a lifting function in a vertical direction, so that the battery installation part C can reach the bottom of the electric vehicle 105 for the purpose of battery installation or removal, a driving output end of the lifting driving device is connected with the scissor lift mechanism for driving the lift mechanism to lift in the vertical direction, and the scissor lift mechanism B20 comprises a lifting plate for installing the battery installation part C.

As shown in fig. 10, in one embodiment of the present invention, the battery mounting portion C includes a battery replacement platform, the battery replacement platform includes an upper plate C10 and an unlocking device mounted on an upper surface of the upper plate C10, the upper plate C10 has a planar shape and is mounted on an upper surface of the lifting plate, and the upper plate C10 is further mounted with a movement driving device C31.

As shown in fig. 13, the unlocking device C50 is mounted on the upper surface of the upper plate C10, and includes a guide rail C59 mounted on the upper surface of the upper plate C10, a moving seat C52 mounted on the guide rail C59, an unlocking push rod C51 vertically mounted on the upper surface of the moving seat C52, and a driving push rod C57 for driving the moving seat C52 to move along the guide rail C59.

As shown in fig. 11, the movement driving means C31 for driving the upper plate C10 to move horizontally includes a ball screw C312 mounted on the lower surface of the upper plate C10, and a driving means C311 fixed to a fixed point for driving the ball screw C312 to move. The fixed point here may be the lifting plate of the scissor lift mechanism B20.

In this embodiment, before the battery is replaced, the driving push rod C57 of the unlocking device C50 drives the moving seat C52 to horizontally move along the guide rail C59 on the upper surface of the upper plate C10, and stay at a position corresponding to an unlocking point of a battery locking mechanism of the electric vehicle, and then drives the scissor type lifting mechanism B20 to ascend, and the unlocking push rod C51 contacts with and jacks up the unlocking point in the battery locking mechanism during ascending to realize battery unlocking. In the battery replacement process, if the upper plate C10 is not aligned with the battery installation position of the electric automobile, the ball screw C312 can be driven to rotate by the driving device C311, so that the upper plate C10 horizontally moves relative to a fixed point (lifting plate), and the unlocking device C50 of the upper plate C10 is accurately aligned with the battery locking mechanism position of the electric automobile.

Through the matching of the unlocking ejector rod C51, the driving ejector rod C57 and the moving seat C52, the unlocking ejector rod C51 can be controlled to move on a preset track, the unlocking of a battery locking mechanism on the electric automobile is automatically realized, and the battery is separated from the electric automobile and is automatically replaced by the battery replacement moving device 103. The moving directions of the upper plate C10 and the battery replacement moving device 103 under the control of the moving driving device C31 are vertical, so that the alignment requirement during battery replacement can be accurately realized. The process is fully automatic, manual interference is not needed, and the replacement efficiency of the battery can be improved.

As shown in fig. 14, in an embodiment of the present invention, the unlocking device C50 further includes a hollow fixed cylinder C53, the fixed cylinder C53 is vertically fixed on the upper surface of the movable seat C52, a spring C532 is disposed in the fixed cylinder C53, the bottom end of the unlocking plunger C51 is movably mounted in the fixed cylinder C53 by the spring C532 and cannot be separated from the fixed cylinder C53, and the bottom end is pushed against the opening of the fixed cylinder C53 by the spring C532. When the unlocking ejector rod C51 is in contact with the unlocking point of the battery, the unlocking ejector rod C51 can retract into the fixed cylinder C53 within a certain range, and the unlocking ejector rod C51 is prevented from being damaged due to hard collision with the unlocking point.

In an embodiment of the present invention, a strip-shaped groove C531 extending axially along the fixed cylinder C53 may be formed in a side wall of the fixed cylinder C53, a limiting member 511 inserted into the strip-shaped groove 531 is disposed at one end of the unlocking mandril C51 located in the fixed cylinder C53, and when the unlocking mandril C51 moves under the elastic force of the spring C532, the limiting member C511 may slide synchronously in the strip-shaped groove C531 along with the unlocking mandril C51, so as to prevent the unlocking mandril C51 from separating from the fixed cylinder C53. To facilitate the contact of the unlocking post C51 with the unlocking point, the end of the unlocking post C51 located outside the fixed barrel may be a tapered end C512.

In an embodiment of the present invention, a chute seat C55 may be disposed on a side of the moving seat C52 close to the driving push rod C57, a chute C551 disposed on the chute seat C55 along a telescopic direction of the driving push rod C57, a fixing member engaged with the chute C551 is disposed on the driving push rod C57, and the driving push rod C57 drives the moving seat C52 and the unlocking push rod C51 to move horizontally through the fixing member sliding along the chute C551. The structure can ensure that the moving seat C52 has a passive moving range, namely the moving seat C52 or the unlocking ejector rod C51 can move in the length range of the sliding groove C551 when encountering reverse force, thereby avoiding the deformation which is possibly generated between the driving push rod C57 and the driving push rod C57 which are directly connected.

In one embodiment of the present invention, the unlocking means C50 may further include a return means for always maintaining the moving seat C52 in the unlocked position, the return means including a retractable elastic member C58 mounted on the side of the moving seat C52 opposite to the driving push rod C57. The elastic piece C58 always exerts a pulling force on the moving seat C52, so that the moving seat C52 is positioned at the designated position of the guide rail C59, and the unlocking mandril C51 is limited at the position corresponding to the unlocking point. The elastic member C58 may be a spring or the like having elastic force.

As shown in fig. 11, in one embodiment of the present invention, a movement driving device C31 for generating a relative movement of the upper plate C10 may be installed on the upper plate C10. The movement driving device C31 is used for driving the upper plate C10 to move horizontally at the current position, and specifically comprises a ball screw C312 mounted on the lower surface of the upper plate C10, and a driving device C311 fixed with a fixed point and used for driving the ball screw C312 to move. The fixed point may be a battery replacement moving device 103 for replacing the battery, which is a fixed position relative to the upper plate C10.

In the battery replacement process, if the upper plate C10 is not aligned with the battery installation position of the electric vehicle, the ball screw C312 can be driven by the driving device C311 to rotate, so that the upper plate C10 horizontally moves relative to the battery replacement moving device 103, and the unlocking device C50 of the upper plate C10 is accurately aligned with the battery locking mechanism position of the electric vehicle.

To facilitate the movement of the upper plate C10, the push plate C11 may be fixed to the lower surface of the upper plate C10 while the ball nut C313 is threadedly engaged with the ball screw C312, and the push plate C11 is fixed to the ball nut C313. When the driving device C311 drives the ball screw C312 to rotate, the ball nut C313 can move along the ball screw C312, and then the fixed push plate C11 drives the upper plate C10 to move in the moving direction of the ball screw C312, the push plate C11 can also be installed on the ball screw C312 through a threaded hole, that is, a through hole which is threaded and installed in cooperation with the ball screw C312 is formed in the push plate C11, and when the driving device C311 drives the ball screw C312 to rotate, the push plate C11 in threaded connection with the ball screw C312 drives the upper plate C10 to move horizontally.

As shown in fig. 10 and 11, in one embodiment of the present invention, the battery mount part C further includes a lower plate C30 installed between the upper plate C10 and the lifting plate, the lower plate C30 is fixed to the lifting plate, the upper plate C10 is movably placed on the upper surface of the lower plate C30, the ball screw C312 is fixed to the lower surface of the upper plate C10, the driving means C311 is fixed to the lower surface of the lower plate C30, a sliding hole C32 is formed at a position of the lower plate C30 corresponding to the ball screw C312, and the driving means C311 is used to drive the push plate C11 passing through the sliding hole C32, so that the upper plate C10 horizontally moves with respect to the lower plate C30. The fixing structure of the ball screw C312 and the upper plate C10 may be: the ball screw C312 is sleeved with a ball nut C313, and a push plate C11 is fixed to the lower surface of the upper plate C10, and the ball nut C313 is fixed to the push plate C11 to restrict the ball screw C312 to the lower surface of the upper plate C10. The driving device C311 may be a servo motor, which may be directly connected to the ball screw C312 or may be connected to the ball screw C312 through a speed reducer.

In this embodiment, the driving device C311 can relatively move the upper plate C10 while keeping itself still when controlling the rotation of the ball screw C312. In the present embodiment, the relative movement of the upper plate C10 can be used to adjust the angle of the battery when the battery is mounted or unlocked, thereby improving the efficiency of automatically replacing the battery in the battery mounting portion C.

As shown in fig. 12, to facilitate the movement of the upper plate C10, in one embodiment of the present invention, a sliding device C13 may be installed between the upper plate C10 and the lower plate C30 in the same direction as the movement of the ball screw C312. The magnitude of the power output of the driving means C311 can be reduced by the sliding means C13 while making the movement of the upper plate C10 smoother.

A specific sliding means C13 may include a sliding rail C131 fixed to the upper surface of the lower plate C30, and a slider C132 fixed to the lower surface of the upper plate C10 to be engaged with the sliding rail C131. When the upper plate C10 moves, the slider C132 is moved on the sliding rail C131. In order to reduce the gap between the upper plate C10 and the lower plate C30, a receiving groove C12 protruding toward the upper surface of the upper plate C10 may be provided at a position of the upper plate C10 corresponding to the sliding rail C131, and the slider C132 is fixed in the receiving groove C12. The installed slide rail C131 protrudes from the upper surface of the lower plate C30 and enters the receiving groove C12 of the upper plate C10, and the slider C132 is simultaneously fixed in the receiving groove C12 and is connected with the slide rail C131 in a clamping way. When the slider moves, the upper plate C10 drives the slider C132 to move relative to the sliding rail C131 through the accommodating groove C12.

Further, as shown in fig. 15, in an embodiment of the present invention, a sliding plate C20 for reducing friction when the upper plate C10 moves may be further installed between the upper plate C10 and the lower plate C30. The slide plate C20 may be fixed to the lower plate C30 as an intermediate layer to reduce friction when the upper plate C10 moves. A specific slip sheet C20 may be a Teflon sheet.

As shown in fig. 10, 16, 17, 18 and 19, in an embodiment of the present invention, a battery tray C60 may be further mounted on the upper surface of the upper plate C10, the battery tray C60 has a frame structure, a hollow mounting opening C62 is provided in the middle of the battery tray C60, a positioning rod C61 for positioning is provided on the lower surface, the positioning rod C61 may be a tapered rod for easy mounting, guide plates C64 are vertically mounted on opposite sides of the upper surface of the upper plate, the guide plates C64 are fixed to the battery tray C60 at one end, and a groove C641 having a U-shaped opening is provided at the other end.

Meanwhile, a fixed seat C15 provided with a spring C16 is arranged at a position corresponding to the positioning rod C61 on the upper surface of the upper plate C10, a hole for installing the spring C16 is a taper hole, and the battery tray C60 is inserted into the corresponding spring C16 through the positioning rod C61 and then is clamped into the taper hole to be installed on the upper plate C10.

When the battery tray C3578 is used, the battery tray C60 is movably placed on the upper plate C10, a battery to be replaced or replaced is placed on the battery tray C60, the guide plate C64 on the battery tray C60 and the positioning block on the side edge of the battery form inserting positioning through the groove C641, the weight of the battery enables the battery tray C60 to completely overcome the elastic force of the spring C16 and press on the upper plate C10, the positioning rod C61 is simultaneously clamped into the tapered hole to form stable fixed relation, the bottom of the battery can pass through the mounting hole C62 to be close to or contact with the upper plate C10, so that the state of the battery can be detected by the sensor mounted on the upper plate C10 conveniently, and control information is provided for control of the control unit.

To improve the stability of the battery tray C60, the positioning rods C61 may have four and be symmetrically distributed at four corners of the battery tray C60. In order to determine whether the battery is put in place, a detecting device C643 for detecting the battery inserted may be provided on the guide plate C64, and the detecting device C643 may be mounted on the guide plate C64 through a mounting hole C642 provided on the guide plate C64. The detecting device C643 may be a magnetic member or a sensor. The magnetic component can generate interactive information with the magnetic component at the corresponding part on the battery, so that whether the battery is put in place or not can be determined. And the sensor may determine whether the battery is in place by sensing. The mounting opening C62 may be rectangular, and a reinforcing plate C621 may be disposed at each of four corners of the mounting opening C62. The reinforcing plate C621 can improve the strength of the entire tray.

In one embodiment of the present invention, a plate-shaped card C63 may be vertically fixed to one side of the lower surface of the battery tray C60, and a card slot C14 into which the card C63 is inserted may be provided at a position corresponding to the card C63 on the upper surface of the upper plate C10. After the battery tray C60 is mounted on the upper plate C10, the clamping plate C63 is clamped with the clamping groove C14, so that the movement amount of the battery tray C60 relative to the upper plate C10 is reduced.

The number of the specific card slots C14 can be two, two card slots C14 are arranged on one side of the upper surface of the upper plate C10 side by side, and the card plates C63 can also be arranged in two and are respectively plugged with the corresponding card slots C14. In addition, in order to increase the strength of the card C63, a corresponding reinforcing plate C631 may be further provided at one side of the card C63, the reinforcing plate C631 being simultaneously connected to the lower surface of the battery tray C60 and the card C63 in a perpendicular manner.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. Trade electric mobile device, its characterized in that includes:

the horizontal moving part is used for driving the whole battery replacing moving device to move horizontally and comprises a moving frame used for moving and providing an installation base and a horizontal driving device used for driving the moving frame to move;

the vertical lifting part is arranged on the horizontal moving part and used for driving the battery replacing platform to lift in the vertical direction; and

the battery mounting part is arranged on the vertical lifting part and used for replacing and disassembling a battery, and the battery mounting part comprises a battery replacing platform and an unlocking device of the battery arranged on the battery replacing platform;

wherein the battery replacing platform comprises an upper plate, the upper plate is arranged at the top of the vertical lifting part, the unlocking device is arranged on the upper surface of the upper plate,

the battery replacement platform is also provided with a mobile driving device which is connected with the upper plate through a driving output end and is used for driving the upper plate to move along the horizontal direction,

the unlocking device comprises a moving seat, an unlocking ejector rod vertically arranged on the upper surface of the moving seat and a driving piece for driving the moving seat to horizontally move along the plane of the upper plate;

the upper plate is perpendicular to the moving direction of the battery replacement moving device.

2. The battery swapping mobile device of claim 1,

horizontal drive includes the hold-in range and with hold-in range meshing just fixes remove the centre gripping drive arrangement on the frame, centre gripping drive arrangement drives remove the frame and follow hold-in range horizontal migration.

3. The battery swapping mobile device of claim 2,

the clamping driving device comprises a synchronous belt wheel with a radial rack on the outer circumferential surface, transition wheels respectively positioned on two sides of the synchronous belt wheel to clamp the synchronous belt on the synchronous belt wheel, and a motor driving the synchronous belt wheel to rotate.

4. The battery swapping mobile device of claim 3,

the horizontal driving device also comprises a first synchronous seat and a second synchronous seat which are used for fixing two ends of the synchronous belt respectively; and the first synchronous seat and/or the second synchronous seat are/is provided with an adjusting device, and the adjusting device is used for adjusting the relaxation degree of the synchronous belt.

5. The battery swapping mobile device of claim 4,

adjusting device includes the centre gripping the grip block of hold-in range, and adjust the grip block is relative first synchronization seat or the regulation portion of position on the second synchronization seat, the grip block is including following the both sides centre gripping respectively the grip block and the toothholder of hold-in range, regulation portion includes fixes through the screw first synchronization seat or adjusting bolt on the second synchronization seat, adjusting bolt's one end with grip block swing joint.

6. The battery swapping mobile device of claim 1,

horizontal migration portion is still including installing remove the last mounting bracket of frame and be used for the adjustment the mounting bracket is relative remove the lead screw positioner of frame position, lead screw positioner is including fixing remove the lead screw drive arrangement on the frame, and fix on the mounting bracket and with the push pedal that lead screw on the lead screw positioner is connected.

7. The battery swapping mobile device of claim 1,

vertical lift portion is including installing remove the last formula elevating system and the drive of cutting of putting up cut the vertical actuating mechanism of formula elevating system vertical lift, cut formula elevating system including the board that lifts that is used for installing the battery installation department, vertical actuating mechanism is hydraulic drive mechanism.

8. The battery swapping mobile device of claim 1,

the mobile driving device comprises a screw rod and a driving device for driving the screw rod to move, the screw rod is installed at the driving output end of the driving device, a push plate is installed on the screw rod, the push plate is connected with the screw rod through a threaded hole or fixedly installed with a nut sleeved on the screw rod, and the push plate is fixedly installed on the lower surface of the upper plate.

9. The battery swapping mobile device of claim 8,

the battery tray is still installed to the upper surface of upper plate, is provided with the locating lever that is used for the location on battery tray's lower surface, the upper surface mounting of upper plate has the fixing base, the locating lever with the fixing base cooperation installation, battery tray's upper surface has a plurality of deflectors, the deflector has the ascending recess of opening.

10. The battery swapping mobile device of claim 9,

the battery replacement moving device further comprises a lower plate, the lower plate is arranged below the upper plate, the moving driving device is arranged on the lower surface of the lower plate through a fixing seat, a driving output end of the moving driving device is connected with a push plate, the push plate penetrates through a sliding hole of the lower plate to be fixed with the lower surface of the upper plate, and the moving driving device drives the upper plate to horizontally move relative to the lower plate.

11. The battery swapping mobile device of claim 10,

and a sliding device is arranged between the upper plate and the lower plate, and comprises a sliding rail fixed on the upper surface of the lower plate and a sliding block fixed on the lower surface of the upper plate, and the sliding block is clamped with the sliding rail.

12. The battery swapping mobile device of claim 11,

a sliding plate for reducing the friction force between the upper plate and the lower plate is arranged between the upper plate and the lower plate.

13. The battery swapping mobile device of claim 1,

the power conversion mobile device further comprises a power part, wherein the power part comprises a power supply for supplying power to the horizontal driving device and the vertical lifting part, and a control unit for controlling the actions of all the parts according to instructions.

14. A quick-change system, comprising:

the battery swapping mobile device of any one of claims 1-13.