CN109050765B

CN109050765B - Electric vehicle and jacking translation replacing device for battery of electric vehicle

Info

Publication number: CN109050765B
Application number: CN201810967779.2A
Authority: CN
Inventors: 王国富
Original assignee: Hangzhou Rongda Zhizao Technology Co ltd
Current assignee: Zhejiang Rap Intelligent Vehigle Co ltd
Priority date: 2018-08-23
Filing date: 2018-08-23
Publication date: 2020-09-22
Anticipated expiration: 2038-08-23
Also published as: CN109050765A

Abstract

The invention discloses a jacking translation replacing device of an electric vehicle battery, wherein the battery is arranged in a chassis of an electric serving trolley and comprises a lifting mechanism positioned below a battery cavity and a translation mechanism positioned beside the battery cavity, the translation mechanism comprises a pushing assembly and a guiding assembly which are respectively positioned at two sides of the battery cavity, and the pushing assembly comprises a fixed table and a telescopic push rod which are fixed in the chassis; the invention further discloses an electric vehicle adopting the jacking translation replacing device for the battery.

Description

Electric vehicle and jacking translation replacing device for battery of electric vehicle

Technical Field

The invention relates to the field of electric vehicles, in particular to an electric vehicle and a jacking translation replacing device for a battery of the electric vehicle.

Background

The electric vehicle is widely applied in cities because of the characteristics of good fluidity, environmental protection, economy, low noise and the like, but the biggest problem faced by the electric vehicle at the present stage is the problem of energy supply, the electric vehicle usually adopts a charging and supplying mode at present and is limited by a battery technology, the quick charging cannot be realized at the present stage, a vehicle owner needs to fully charge an empty battery for at least several hours, the energy supply efficiency is obviously far behind the energy supply efficiency of a fuel vehicle, and the normal requirements of people are difficult to meet. The battery of electric motor car is installed in the battery chamber on chassis usually, and current electric motor car will be changed the battery, need open the storehouse, and artifical battery takes out from the battery chamber again, wastes time and energy.

At present, chinese patent publication No. CN201711016875.0 discloses a dismounting device for an electric vehicle battery, which includes a lifting mechanism, a translation mechanism, and a stacking mechanism; elevating system includes the tray that sets up along vertical direction reciprocating motion, be equipped with on the layer board and trigger device's trigger actuator, translation mechanism includes two cantilevers that are parallel to each other and the level sets up, the cantilever is along self length direction reciprocating motion between elevating system and pile up the mechanism, be equipped with the lifting arm that sets up along vertical direction reciprocating motion on the cantilever, when the cantilever is located elevating system position department, the lifting arm just is located the battery edge under the protruding flange that stretches the setting outward.

Such a battery removal device for an electric vehicle needs to be used in a specific maintenance shop, and when the battery needs to be replaced temporarily, the battery removal device needs to reach a specific place, which is inconvenient to use.

Disclosure of Invention

The invention aims to provide a jacking translation replacing device of an electric vehicle, which has the advantage of convenience in use.

The technical purpose of the invention is realized by the following technical scheme:

a battery of an electric vehicle is installed in a chassis of an electric serving trolley and comprises a lifting mechanism positioned below a battery cavity and a translation mechanism positioned beside the battery cavity, wherein the translation mechanism comprises a pushing assembly and a guiding assembly which are respectively positioned at two sides of the battery cavity, and the pushing assembly comprises a fixed table and a telescopic push rod which are fixed in the chassis; the guide assembly comprises a guide table fixed on the chassis and a telescopic guide plate connected in the guide table, and the telescopic guide plate extends towards the ground.

By adopting the technical scheme, the replacing device is integrally installed at the chassis of the electric vehicle, and the battery can be taken out and replaced at any open position; after moving the electric motor car to spacious area, rise the battery from the battery chamber through lifting unit, and stretch telescopic deflector, recycle telescopic push rod and push the battery to the battery behind telescopic deflector, the battery slides to ground along the deflector, with push rod and guide bar withdrawal, put the battery to lifting unit department from guide bar one side, fall lifting unit again, the battery contacts with the corresponding contact in the battery chamber, realize the power supply to the electric motor car, need not to manually carry out the battery from the battery chamber, laborsaving during the change, and owing to need not to mention the battery, the upset angle in storehouse can correspondingly reduce, the skew of electric motor car focus is less, need not to carry out additional fixing to the electric motor car.

Further setting: the telescopic push rod comprises a plurality of sleeved frames, the cross-sectional areas of the sleeved frames are reduced in sequence, the sleeved frame with the largest cross section is a fixed bottom frame and is connected with a fixed table, a telescopic pipe is connected to the fixed table and is a corrugated pipe with one closed end, an air inlet pipe is arranged at one end, facing the fixed table, of the telescopic pipe, an air inlet channel leading to the air inlet pipe is arranged in the fixed table, a reset tension spring is sleeved outside the telescopic pipe, two ends of the reset tension spring are fixed to the fixed table and the sleeved frame with the smallest cross section respectively, and the reset tension spring is in a stretching state when the telescopic push rod is in a retracting state.

By adopting the technical scheme, the air inlet channel is subjected to air transmission through the air blowing device, air enters the corrugated pipe through the air inlet pipe, and the corrugated pipe extends under the action of air pressure to drive the telescopic push rod to extend out to push the battery; after pushing is finished, stopping gas transmission to the gas inlet channel, releasing the gas, pulling the push rod to a retraction state under the action of the reset tension spring, discharging the gas in the corrugated pipe, and finishing one-time pushing; when the corrugated pipe stretches, the stretching direction is stable, the corrugated pipe is not easy to bend, and the generated pushing acting force is stable; the extension tension spring can timely retract the push rod after the push rod is pushed.

Further setting: the guide assembly comprises a guide table connected to the chassis, a guide plate is connected to the guide table in a sliding mode, the guide plate comprises cylindrical sliding convex blocks located on two sides, sliding holes are formed in the guide table, sliding grooves for the sliding convex blocks to slide are formed in two sides of each sliding hole, a guide inclined plane is arranged on the lower side of one end, away from the sliding holes, of the chassis, and the guide plate inclines when the sliding convex blocks slide to the position above the guide inclined plane.

By adopting the technical scheme, the guide plate is connected in the guide table in a sliding manner, when the battery pack is needed to be used, the guide plate is pulled out from the guide table, and the guide plate inclines towards the ground after being pulled out, so that the battery pushed out by the pushing assembly can be guided to slide towards the ground, and the battery is prevented from directly and vertically falling onto the ground to cause damage to the battery; when the guide plate is retracted into the guide table, the sliding groove is inclined downwards within 5 degrees towards one end of the battery cavity, and the electric vehicle is not easy to disengage when normally advancing, so that the structure is stable.

Further setting: the direction platform sliding hole rotates towards one side of battery cavity and is connected with the axis of rotation, the winding has the pull wire in the axis of rotation, the deflector is including a plurality of guide frames that cup joint each other, the guide frame cross-sectional area reduces in proper order, and the guide frame that the cross-sectional area is minimum is the grounding frame, the one end that the axis of rotation was kept away from to the pull wire is fixed with the grounding frame.

By adopting the technical scheme, after the guide plate is inclined, the guide frames sequentially extend out under the action of gravity, finally the grounding frame is contacted with the ground, the battery directly slides to the ground on the guide plate, the speed of the battery reaching the ground is reduced by utilizing the friction force of the guide plate, and the battery is small in collision with the ground or a bearing container and is not easy to damage; after the battery is taken out, the motor is utilized to drive the rotating shaft to rotate, the guide frame is sequentially returned to enable the guide plate to be in a retraction state, and the guide plate retracts into the guide block when the pulling force continues to act, so that the guide assembly is reset.

Further setting: one end of the grounding frame, which is far away from the chassis, is provided with a pilot arc, and the circle center of the pilot arc is positioned on one side of the grounding frame, which is far away from the ground.

Through adopting above-mentioned technical scheme, utilize to lead the arc and lead the battery and lead, make the battery when breaking away from the guide frame with the contained angle on ground littleer to reduce the collision that takes place with ground, make taking out of battery more steady.

Further setting: the guide table is provided with a traction groove leading to the guide hole, and the guide block is provided with a traction lug extending out of the traction groove.

Through adopting above-mentioned technical scheme, at the in-process that promotes the subassembly and promote the battery, the battery slides on the direction platform, contradicts with pulling the lug, drives the guide block roll-off guiding hole, and the guide block rotates the back, pulls the lug and rotates to being less than the direction platform upper surface, is promoted at the battery focus and stretches out the direction platform after, the battery earlier with pull the lug contact, slide again to direction frame surface lapse, carry out certain buffering to the landing of battery, avoid the battery to take place to overturn and drop to ground.

Further setting: one side of the traction lug, which faces the battery cavity, is perpendicular to the guide plate, and the side, which is far away from the battery cavity, is a cambered surface protruding away from the guide plate.

Through adopting above-mentioned technical scheme, the side of perpendicular and deflector is contradicted with the battery, has guaranteed that the battery keeps driving pulling the lug at the removal in-process, and the cambered surface structure is effectual to the direction of battery, avoids the battery surface by the fish tail.

Further setting: the lifting mechanism comprises a base, a scissor type lifting frame connected to the base and a connecting plate located at the top end of the scissor type lifting frame and symmetrical to each other, wherein the connecting plate is rotatably connected with a plurality of transmission rollers, and transmission belts connected end to end are sleeved on the transmission rollers.

By adopting the technical scheme, the scissor-fork type lifting frame has smaller height when not opened and occupies small space, so that the phenomenon that the vertical size of the chassis of the electric vehicle is overlarge is avoided, a cargo compartment with larger size can be adopted, and the transportation capacity of the electric vehicle is improved; the reduction of the vertical size of the chassis can reduce the gravity center of the electric vehicle and ensure the stability of the electric vehicle when the electric vehicle advances.

Further setting: the scissor type lifting frame comprises a control lead screw for controlling lifting and a lifting motor for driving the control lead screw to rotate.

Through adopting above-mentioned technical scheme, drive corotation and the reversal of control lead screw through control elevator motor to drive the rise and the fall of cutting fork formula crane, can realize through simple circuit design, rational in infrastructure, the design is simple.

Another object of the present invention is to provide an electric vehicle having an advantage of convenient battery replacement.

the utility model provides an electric motor car, includes chassis and the storehouse that can overturn, its characterized in that: still include above-mentioned jacking translation change device.

Through adopting above-mentioned scheme, in any spacious position, the usable this jacking translation of electric motor car is changed the device and is carried out taking out of battery and change, and it is swift convenient to change.

In conclusion, the invention has the following beneficial effects:

1. the old battery is lifted by the lifting assembly, then the battery is pushed out of the lower part of the cargo compartment by the pushing assembly, and the battery is stably guided to the ground by the guiding assembly, so that the battery is stably moved;

2. the replacing device is integrally installed in the chassis, and a structure does not need to be additionally arranged for matching, so that the use is convenient.

Drawings

FIG. 1 is a schematic view of the structure of example 2 in the state of pushing out the battery;

FIG. 2 is a schematic view of the entire structure of embodiment 1 at the time of pushing out the battery state;

FIG. 3 is a schematic sectional view showing the pushing assembly in embodiment 1;

FIG. 4 is a schematic sectional view showing the guide assembly in embodiment 1;

FIG. 5 is an enlarged view at A in FIG. 4;

fig. 6 is a schematic structural view of the lifting mechanism in embodiment 1.

In the figure, 1, a chassis; 2. a warehouse; 3. a battery cavity; 4. a fixed table; 5. a telescopic push rod; 6. a guide table; 7. a guide plate; 8. fixing the bottom frame; 9. a telescopic pipe; 10. a return tension spring; 11. a slide hole; 12. a guide slope; 13. a rotating shaft; 14. a pull wire; 15. a grounding frame; 16. guiding an arc; 17. a traction groove; 18. a traction lug; 19. a base; 20. a lifting frame; 21. a connecting plate; 22. a transfer roller; 23. a conveyor belt; 24. controlling the lead screw; 25. a lifting motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a jacking translation replacing device for an electric vehicle battery is shown in figure 2 and comprises a lifting mechanism and a translation mechanism, wherein the lifting mechanism and the translation mechanism are installed on a chassis, the translation mechanism comprises a pushing assembly and a guiding assembly which are respectively positioned on two sides of a battery cavity 3, and after the lifting mechanism jacks up the battery in the battery cavity 3, the pushing assembly pushes the battery to slide towards the guiding assembly and is guided to the ground through the guiding assembly.

As shown in fig. 2 and 6, the lifting mechanism is located right below the battery cavity 3 in the chassis, the lifting mechanism comprises a base 19 in threaded connection with the chassis, a scissor-type lifting frame 20 connected to the base 19, and symmetrical horizontal connecting plates 21 connected to the top ends of the scissor-type lifting frame 20, and the direction of the connecting plates 21 is along the width direction of the electric vehicle. Four transfer rollers 22 are connected between the connection plates 21. The transmission rollers 22 are uniformly distributed along the length direction of the connecting plate 21, a circle of transmission belt 23 is sleeved on the transmission rollers 22, a plurality of transmission belts 23 are uniformly distributed on the outer surface of each transmission belt 23, and the transmission rollers 22 rotate to drive the transmission belts 23 to rotate. A transfer motor is fixed on the connecting plate 21 on one side, the transfer motor is positioned between the transmission belts 23, the height of the rotating motor is smaller than the diameter of the transmission roller 22, and the rotating motor is in belt connection transmission with the transmission roller 22 positioned in the battery outgoing direction. The scissor fork type lifting frame 20 comprises a scissor fork frame, a control lead screw 24 is arranged in the center of the scissor fork frame, the control lead screw 24 is driven by a lifting motor 25 to rotate, the control lead screw 24 rotates to drive the scissor fork frame to be combined or unfolded, and therefore the scissor fork type lifting frame 20 is lifted. Be provided with ascending lift travel switch on the base 19, when scissors fork crane 20 contracted to minimum state, lift travel switch was pressed by the top structure of scissors fork crane 20, and control elevator motor 25 stop work avoids elevator motor 25 to transship.

As shown in fig. 2 and 3, the pushing assembly includes a fixing table 4 fixed on the chassis, a telescopic push rod 5 is installed on one side of the fixing table 4 facing the battery cavity 3, the telescopic push rod 5 includes a plurality of sleeve frames sleeved with each other, a sliding groove is provided in the sleeve frame with a larger cross-sectional area in the adjacent sleeve frames, a sliding block sliding in the sliding groove is provided outside the sleeve frame with a smaller cross-sectional area, a limiting cap is fixed at one end of the sleeve frame far away from the fixing table 4, and the limiting cap is larger than the cross-sectional area when the sleeve frame retracts. The jacket frame with the largest cross-sectional area is a fixed bottom frame 8, and the fixed bottom frame 8 is in threaded connection with the fixed platform 4. One side of the fixed station 4 facing the limiting cap is fixed with a telescopic pipe 9, the telescopic pipe is made of corrugated pipes, and one end of the telescopic pipe, which is far away from the fixed station 4, is closed and is abutted against a sleeve frame with the smallest cross-sectional area. An air inlet channel is formed in the fixed table 4, an air inlet pipe communicated with the air inlet channel is arranged at one end, facing the fixed table 4, of the telescopic pipe 9, an air pump is fixed to the side face of the fixed table 4 to supply air to the air inlet channel, and an air blocking bolt is connected to one side, far away from the sleeve frame, of the fixed table 4 in a threaded mode and is pushed to complete the air blocking. A pair of reset tension springs 10 are connected between the sleeve frame with the smallest cross section area and the fixed platform 4, and the reset tension springs 10 are respectively positioned at two sides of the extension tube 9.

As shown in fig. 2, 4 and 5, the guide assembly includes a guide table 6 mounted on the chassis, the upper surface of the guide table 6 being flush with the upper surface of the chassis. A horizontal guide hole is formed in the guide table 6, a telescopic guide plate 7 is connected in the guide hole in a sliding mode, cylindrical sliding lugs are arranged on two sides of the guide plate 7, sliding grooves for the sliding lugs to slide are formed in inner walls of two sides of the guide hole, an opening is formed in one end, facing the battery cavity 3, of each sliding groove, and one end, far away from the battery cavity 3, of each sliding groove is semicircular. The lower end of the sliding hole 11 on the side away from the battery cavity 3 is provided with a guide inclined surface 12, and the guide inclined surface 12 is positioned right below the sliding groove. The guide plate 7 comprises a plurality of guide frames which are mutually sleeved, the guide frame structure extension tubes 9 are the same, the guide frame with the smallest cross section area is a grounding frame 15, when the guide plate 7 is in an extending state, the grounding frame 15 is in contact with the ground, one end of the grounding frame 15 in contact with the ground is provided with a guide arc 16 which guides the battery horizontally, and the circle center of the guide arc 16 is positioned on one side, far away from the ground, of the grounding frame 15. And a traction motor is arranged on one side of the guide table 6 close to the battery cavity 3, the output end of the traction motor is connected with a rotating shaft 13, a traction wire 14 is wound on the rotating shaft 13, and the traction wire 14 is fixedly bonded with a grounding frame 15.

The upper surface of the guide table 6 is provided with a traction gap leading to the guide hole, the guide plate 7 is provided with a traction lug 18 extending out of the traction gap, one side of the traction lug 18 facing the battery cavity 3 is perpendicular to the guide plate 7, and one side of the traction lug 18 far away from the battery cavity 3 is provided with a convex cambered surface.

When the scissor type lifting frame is used, the lifting motor 25 is started, the lifting motor 25 drives the control screw rod 24 to rotate, the scissor type lifting frame 20 is lifted, and when the scissor type lifting frame is lifted to the highest point, the scissor type lifting frame is flush with the upper surface of the guide table 6. The air pump is used for inflating the air inlet channel, the telescopic rod extends out under the action of air pressure, the telescopic push rod 5 extends, the battery is pushed on the conveying belt, and the reset tension spring 10 is extended. The battery is collided with the traction lug 18 in the moving process, the traction lug 18 slides along the traction groove 17, when the sliding columns on the two sides of the guide plate 7 reach the position right above the guide inclined plane 12, the guide plate 7 starts to rotate, the guide frames sequentially extend out under the action of gravity, and the guide arc of the grounding frame 15 is collided with the ground. When the gravity center of the battery slides out of the guide table 6, the battery rotates to be abutted against the traction lug 18, slides to the surface of the guide plate 7 along the arc-shaped surface of the traction lug 18, slides downwards along the guide plate 7, and slides to the position where the guide arc is positioned, wherein the battery tends to be horizontal and is contacted with the ground or a corresponding container.

After the battery is taken out, the air blocking bolt on the fixed platform 4 is screwed down, the air pressure in the telescopic pipe 9 is reduced, the telescopic push rod 5 is reset to a contraction state under the action of the reset tension spring 10, and then the air blocking bolt is screwed down to wait for next replacement.

The new battery is directly put in the direction of the guide table 6 and pushed onto the conveyor belt 23. And finally, the traction wire 14 is wound on the rotating shaft 13 through the traction motor, and the guide plate 7 is reset to a contraction state firstly and then slides into the sliding hole 11 to complete resetting.

Example 2: an electric vehicle, as shown in fig. 1, comprises a chassis 1 and a cargo compartment 2 hinged at the chassis 1, wherein the maximum rotation angle of the cargo compartment 2 is 40 degrees, and the chassis 1 is provided with a jacking translation replacing device of an electric vehicle battery in embodiment 1.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims

1. The utility model provides a device is changed in jacking translation of electric motor car battery which characterized in that: the device comprises a lifting mechanism positioned below a battery cavity (3) and a translation mechanism positioned beside the battery cavity (3), wherein the translation mechanism comprises a pushing assembly and a guiding assembly which are respectively positioned at two sides of the battery cavity (3), and the pushing assembly comprises a fixed platform (4) and a telescopic push rod (5) which are fixed in a chassis (1); the guide assembly comprises a guide table (6) fixed on the chassis (1) and a telescopic guide plate (7) connected in the guide table (6), and the telescopic guide plate (7) extends towards the ground;

the telescopic push rod (5) comprises a plurality of sleeve frames which are mutually sleeved, the cross-sectional areas of the sleeve frames are sequentially reduced, the sleeve frame with the largest cross section is a fixed bottom frame (8) and is connected with a fixed platform (4), a telescopic pipe (9) is connected onto the fixed platform (4), the telescopic pipe (9) is a corrugated pipe with one closed end, an air inlet pipe is arranged at one end, facing the fixed platform (4), of the telescopic pipe (9), an air inlet channel leading to the air inlet pipe is arranged in the fixed platform (4), a reset tension spring (10) is sleeved outside the telescopic pipe (9), two ends of the reset tension spring (10) are respectively fixed onto the fixed platform (4) and the sleeve frame with the smallest cross section, and when the telescopic push rod (5) is in a retraction state, the reset tension spring (10) is;

the guide assembly comprises a guide table (6) connected to the chassis (1), a guide plate (7) is connected to the guide table (6) in a sliding mode, the guide plate (7) comprises cylindrical sliding lugs located on two sides, a sliding hole (11) is formed in the guide table (6), sliding grooves for the sliding lugs to slide are formed in two sides of the sliding hole (11), a guide inclined plane (12) is arranged on the lower side of one end, away from the sliding hole (11), of the chassis (1), and the guide plate (7) inclines when the sliding lugs slide to the position above the guide inclined plane (12);

a traction groove (17) leading to the guide hole is formed in the guide table (6), and a traction lug (18) extending out of the traction groove (17) is arranged on the guide plate (7);

the traction lug (18) faces one side of the battery cavity (3) and is perpendicular to the guide plate (7), and the side far away from the battery cavity (3) is a cambered surface protruding away from the guide plate (7).

2. The device of claim 1 for replacing the battery of an electric vehicle by jacking and translating, wherein: guide table (6) sliding hole (11) are rotated towards one side of battery chamber (3) and are connected with axis of rotation (13), the winding has pull wire (14) on axis of rotation (13), deflector (7) are including a plurality of guide frames that cup joint each other, the guide frame cross-sectional area reduces in proper order, and the guide frame that the cross-sectional area is minimum is ground connection frame (15), the one end that axis of rotation (13) was kept away from in pull wire (14) is fixed with ground connection frame (15).

3. The device of claim 2, wherein the device comprises: one end, far away from the chassis (1), of the grounding frame (15) is provided with a pilot arc (16), and the circle center of the pilot arc (16) is located on one side, far away from the ground, of the grounding frame (15).

4. The device of claim 1 for replacing the battery of an electric vehicle by jacking and translating, wherein: elevating system includes base (19), connects cut fork crane (20) on base (19) and is located the connecting plate (21) of cutting the symmetry on fork crane (20) top, connecting plate (21) rotate and are connected with a plurality of transmission rollers (22), the cover has end to end's transmission band (23) on transmission roller (22).

5. The device of claim 4, wherein the device comprises: the scissor type lifting frame (20) comprises a control lead screw (24) for controlling lifting and a lifting motor (25) for driving the control lead screw (24) to rotate.

6. The utility model provides an electric motor car, includes chassis (1) and can overturn warehouse (2), its characterized in that: jacking translation replacing device for the battery of the electric vehicle, comprising any one of the claims 1-5.