CN217455730U

CN217455730U - Mobile battery replacing vehicle

Info

Publication number: CN217455730U
Application number: CN202221089950.2U
Authority: CN
Inventors: 林巨广; 彭晓; 郗世洪; 姬彦文
Original assignee: Anhui Juyi Technology Co Ltd
Current assignee: Anhui Juyi Technology Co Ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-20
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a mobile battery replacement vehicle, which comprises a trailer; the tractor is used for providing power and dragging the trailer to advance; a container is arranged in the compartment of the trailer; a track assembly and a special lifting appliance are arranged on the ground of the container; a vertical frame is arranged on a bottom plate of the special lifting appliance; the vertical frame is provided with a robot assembly; the vertical frame is provided with a lifting device; the robot assembly is arranged on the lifting device; the robot assembly comprises a connecting beam, a pallet fork and a mechanical arm; the pallet fork is arranged on the connecting beam; the first end of the fork is connected with the connecting beam, and the mechanical arm is arranged at the second end of the fork; a flat plate is arranged below the mechanical arm; and a plurality of groups of hooking devices are arranged on the lower surface of the flat plate. The mobile battery replacement vehicle for replacing the commercial vehicle has the advantages of low requirement on the site, convenience in migration, convenience in maintenance and repair and the like.

Description

Mobile battery replacing vehicle

Technical Field

The utility model belongs to the technical field of new energy automobile technique and specifically relates to a remove and trade electric motor car.

Background

With the rise and development of the field of new energy automobile battery replacement, the requirement for charging and replacing the new energy automobile is increasing day by day. The existing electric vehicle charging and replacing mode is mainly charging pile and fixed replacing station, and has certain limitation and higher construction input cost.

According to different purposes of the charging and replacing power station, the charging and replacing power station can be divided into the following steps: the multifunctional war-backup energy center is used for charging and replacing commercial vehicles such as buses and environmental sanitation, charging and replacing stations for household passenger vehicles and emergency energy storage stations in urban areas. Commercial charging and replacing stations such as public buses, environmental sanitation and the like are convenient to apply in large scale due to the clear characteristics and property rights of timing, fixed points and fixed lines.

However, the power switching piles and the power switching stations in the prior art are fixed in high-frequency short-cycle operation scenes such as building sites, short-term places, suburban mines and the like. Due to project positions, environment severity and different construction schedules, or the transportation route of the vehicle needs to be changed within a certain time. Moreover, the fixed power exchanging piles or power exchanging stations are difficult to lay a power grid, the fixed stations are difficult to construct, and customers are difficult to exchange power. The power station has the problems of large occupied area, high requirement on the site, high migration cost, inconvenient maintenance and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a weak point for avoiding existence among the above-mentioned prior art provides a remove and trade electric motor car to solve current trade power station and require higher, the high and inconvenient problem of maintenance of migration cost to the place.

The utility model discloses a solve technical problem and adopt following technical scheme.

A mobile battery replacement vehicle comprising a trailer 24; a special lifting appliance is arranged on the trailer 24; the special lifting appliance comprises a bottom plate 1; the bottom plate 1 is provided with a vertical frame and a walking driving motor 25 for driving the special lifting appliance to walk;

the vertical frame is provided with a lifting device and a robot assembly; the robot assembly is arranged on the lifting device, so that the robot assembly can move in the vertical direction;

the robot assembly comprises a connecting beam 2, a pallet fork 3 and a mechanical arm 4; the fork 3 is arranged on the connecting beam 2; the first ends of the forks 3 are connected with the connecting beam 2, and the mechanical arms 4 are arranged at the second ends of the forks 3 and can linearly move along the length direction of the forks 3;

a flat plate 5 is arranged below the mechanical arm 4, the flat plate 5 is connected with the mechanical arm 4, a travel switch 17 and a plurality of groups of hooking devices are arranged on the lower surface of the flat plate 5, and the hooking devices grab the battery pack through clamping;

the utility model discloses a remove and trade motor car's structural feature also lies in:

preferably, the stand comprises a gantry 7 and an auxiliary fixing rod 8; the door frame 7 is vertically erected on the upper surface of the bottom plate 1; the auxiliary fixing rod 8 is positioned at one side of the door frame 7 and fixes the door frame 7 from the side.

Preferably, the lifting device comprises a lifting motor 9, a lifting transmission mechanism 10, a chain wheel and a chain 11; the lifting motor 9 is fixed on the door frame 7 and is used for driving the lifting transmission mechanism 10; the lifting transmission mechanism 10 drives the chain wheel to rotate; the chain wheel is fixed on the top end of the vertical frame, and the chain 11 is matched with the chain wheel and is driven by the chain wheel to drive the chain 11 to move.

Preferably, the lifting device is connected to the movable beam 12 and can drive the movable beam 12 to move in the vertical direction.

Preferably, the transfer beam 12 is connected to the robot assembly by two transfer carriages 13.

Preferably, the forks 3 are connected with the connecting beam 2; the robot arm 4 is connected to the forks 3 such that the robot arm 4 can move linearly along a horizontal guide rail on the fork 3.

Preferably, the flat plate is connected with the mechanical arm through a chain type fixing assembly, and the chain type fixing assembly 6 comprises a shackle 61, a ring chain assembly and a fixing seat 62; the first end of the endless chain assembly is connected with the fixed seat 62, and the second end of the endless chain assembly is connected with the shackle 61; the fixed seat 62 is connected with the mechanical arm 4, so that the first end of the endless chain assembly is connected below the mechanical arm; the shackle 61 is connected to the plate 5 such that the plate 5 is connected below the endless chain assembly.

Preferably, a first guide seat 15 is provided on the lower surface of the flat plate 5.

Preferably, the lower surface of the plate 5 is provided with a positioning pin 16.

Preferably, a container 26 is arranged in the compartment of the trailer; a track assembly 27 is provided on the ground of the container.

Compared with the prior art, the utility model discloses beneficial effect embodies:

the utility model discloses a mobile battery replacement vehicle, which comprises a tractor and a trailer; the tractor is used for providing power and dragging the trailer to advance; a container is arranged in a carriage of the trailer; a track assembly is arranged on the ground of the container; a vertical frame is arranged on a bottom plate; the stand is provided with a robot assembly; the vertical frame is provided with a lifting device; the robot assembly is arranged on the lifting device, so that the robot assembly can move in the vertical direction; the robot assembly comprises a connecting beam, a pallet fork and a mechanical arm; the pallet fork is arranged on the connecting beam and can move linearly on the connecting beam; the first end of the fork is connected with the connecting beam, and the mechanical arm is arranged at the second end of the fork; a flat plate is arranged below the mechanical arm and is connected with the mechanical arm through a chain type fixing component; and a plurality of groups of hooking devices are arranged on the lower surface of the flat plate.

All the battery replacing equipment is arranged on the battery replacing vehicle, and can be conveniently moved when needed. A robot assembly for hoisting a battery pack is arranged in a container of the power change car. The battery replacement station area is used for parking a vehicle to be replaced, which needs to replace the battery. Special monitoring equipment, such as a monitoring camera, is provided for monitoring whether the battery replacement vehicle is driven into the battery replacement vehicle. And once the vehicle to be replaced is driven into the storage area, the vehicle to be replaced is indicated to stop according to the mark, and after the vehicle is stopped, the control system controls the special lifting appliance to take the old battery pack of the vehicle to be replaced away and place the old battery pack on a reserved buffer position in the storage area of the battery pack. And then, taking out a new battery pack from the battery pack storage area, and placing the new battery pack at the position of the battery pack of the vehicle to be replaced, so that the battery replacement work is realized.

The utility model discloses, adopt to remove and trade the electric harbor and promote and trade the nimble transfer performance of power station, realize trading the quick deployment of power station.

The hoist realizes getting colluding of positional deviation and not unidimensional battery package to the battery package through the adjustment of the unsteady and lifting hook of loop chain subassembly, and is low and with low costs to the space height requirement that uses.

Each part of the whole structure of the utility model is a common part, which can reduce the manufacturing cost, simplify the structure, facilitate the maintenance of the equipment and improve the utilization ratio of the equipment; the electric push rod can be replaced by an electric cylinder or a pneumatic cylinder and other actuating elements.

The utility model discloses a remove and trade electric motor car for commercial car trades electricity has and requires low, the convenient and advantage such as maintain easy maintenance of migration to the place.

Drawings

Fig. 1 is a perspective view of a mobile battery replacement vehicle for replacing batteries of a commercial vehicle.

Fig. 2 is the utility model discloses a remove and trade top view of electric motor car for commercial car trades electricity.

Fig. 3 is a perspective view of the utility model discloses a remove and trade electric car's container for commercial car trades electricity.

Fig. 4 is a perspective view of a lifting appliance of a mobile battery replacing vehicle for replacing batteries of a commercial vehicle.

Fig. 5 is a perspective view of the connecting beam, forks and robotic arm of the spreader of fig. 4.

Fig. 6 is a front view of the connecting beam, forks and robotic arm of the spreader of fig. 4.

Fig. 7 is a schematic view of a chain fixing assembly of the spreader of fig. 4.

Fig. 8 is a perspective view of a hook device of the spreader of fig. 4.

The present invention will be further described with reference to the following detailed description and accompanying drawings.

Detailed Description

Referring to fig. 1-8, the utility model discloses a mobile battery replacement vehicle, which comprises a trailer 24; a special lifting appliance is arranged on the trailer 24; the special lifting appliance comprises a bottom plate 1; the bottom plate 1 is provided with a vertical frame and a walking driving motor 25 for driving the special lifting appliance to walk;

a flat plate 5 is arranged below the mechanical arm 4, the flat plate 5 is connected with the mechanical arm 4, a travel switch 17 and a plurality of groups of hooking devices are arranged on the lower surface of the flat plate 5, and the hooking devices grab the battery pack in a clamping manner;

as shown in fig. 1-3, the utility model discloses a remove and trade electric motor car for change the battery package of new forms of energy car. When needs trade the electricity, the utility model discloses a trade the electric motor car and stop in the energy car that has the battery package or the one side that the storage has the battery storage area of battery package, the opposite side of trading the electric motor car is parked and is had waiting of trading the electricity and trade the electric vehicle.

As shown in fig. 1, all the battery replacement devices are arranged on the battery replacement vehicle, and can be conveniently moved when needed. A robot assembly for hoisting a battery pack is arranged in a container of the power exchange vehicle. The battery replacement station area is used for parking a vehicle to be replaced, which needs to replace the battery. Special monitoring equipment, such as a monitoring camera, is provided for monitoring whether the battery replacement vehicle is driven into the battery replacement vehicle. And once the vehicle to be replaced is driven into the storage area, the vehicle to be replaced is indicated to stop according to the mark, and after the vehicle is stopped, the control system controls the special lifting appliance to take the old battery pack of the vehicle to be replaced away and place the old battery pack on a reserved buffer position in the storage area of the battery pack. And then, taking out a new battery pack from the battery pack storage area, and placing the new battery pack at the position of the battery pack of the vehicle to be replaced, so that the battery replacement work is realized.

The method is mainly characterized in that the battery replacement vehicle comprising the robot assembly is fixedly parked in a specific place, and new battery packs and the battery replacement vehicles are distributed at reserved positions on two sides. The improvement enables the battery replacing place to be only occupied space of the battery replacing vehicle, the battery storage area is set to be a movable energy vehicle or a movable new battery pack storage area, and the problems that an existing battery replacing station is large in occupied area and inconvenient to move are solved.

A container 26 is arranged in the compartment of the trailer; a track assembly 27 and a special lifting appliance capable of walking on the track assembly are arranged on the ground of the container; the track assembly comprises a ground track; a ground rack is arranged on the ground track; the walking driving motor 25 is used for driving a gear meshed with the ground rack; the special lifting appliance can move linearly along the track assembly after the gear is driven by the walking drive motor 25. The gear is positioned below the bottom plate; the roller wheels are arranged on the other side, opposite to the ground rail, below the bottom plate and used for assisting the special lifting appliance to walk on the ground rail;

as shown in fig. 4, the old battery pack of the electric vehicle to be replaced is taken down by a special lifting appliance and placed on a preset buffer position for recovering the battery pack; and then, a new battery pack in the energy vehicle or the battery storage area is taken, and the new battery pack is placed on the battery position where the old battery pack is just taken away, so that the replacement of the new battery pack and the old battery pack can be realized.

The lifting device controls the robot assembly to move in the vertical direction. The forks of the robot assembly are movable in a horizontal direction on the connection beam. And a plurality of groups of hooking devices are arranged on the flat plate connected with the mechanical arm through the chain-type fixing part below the mechanical arm. In specific implementation, at least 4 groups of hooking devices are required. Collude and get the device and can clip four angles of battery package, realize the clamp of battery package and get the action. So, four groups collude and get the device and can hang the battery package from four angles of battery package, then will the battery package promote through elevating gear. The hoist moves the position that needs place the battery package, puts down the battery package after aiming at, then colludes the device and loosens the battery package, and the battery package blocks under the effect of dead weight on the battery position. And then the hanger is removed, so that the battery pack is replaced.

In one embodiment, the stand comprises a gantry 7 and an auxiliary fixing rod 8; the door frame 7 is vertically erected on the upper surface of the bottom plate 1; the auxiliary fixing rod 8 is positioned at one side of the door frame 7 and fixes the door frame 7 from the side.

The door frame 7 is of an inverted U-shaped structure, an opening punch is arranged on the bottom plate in a downward mode, the left vertical rod and the right vertical rod are arranged on the left side and the right side, and a horizontal cross beam is arranged at the top of the door frame. The auxiliary fixing rods 8 are obliquely leaned against one sides of the two vertical rods respectively, so that the whole portal frame is fastened, and the portal frame is prevented from toppling towards two sides.

In one specific embodiment, the lifting device comprises a lifting motor 9, a lifting transmission mechanism 10, a chain wheel and a chain 11; the lifting motor 9 is fixed on the gantry 7 and used for driving a lifting transmission mechanism 10; the lifting transmission mechanism 10 drives the chain wheel to rotate; the chain wheel is fixed on the top end of the vertical frame, and the chain 11 is matched with the chain wheel and is driven by the chain wheel to drive the chain 11 to move.

The lifting motor is used for controlling the transmission mechanism to move, the output end of the lifting transmission mechanism is connected with the chain wheel and drives the chain wheel to rotate, and the chain is driven to move through the rotation of the chain wheel. The chain is connected with the robot assembly, drives the robot assembly to move in the vertical direction through the chain, achieves the movement of the robot assembly in the vertical direction, and then controls the hooking device to move in the vertical direction, and achieves the lifting and descending of the battery pack. The chain is arranged on a horizontal beam of the gantry 7.

In one embodiment, the lifting device is connected to the movable beam 12 and can move the movable beam 12 in the vertical direction.

In one embodiment, the transfer beam 12 is connected to the robot assembly by two transfer carriages 13.

One end of the chain of the lifting device is fixedly connected with a moving block, and the moving block is fixed in the middle of the moving beam. And two ends of the movable beam are respectively provided with a movable frame. The movable frame is connected with the vertical rods of the vertical frame through the guide blocks and can move up and down in the vertical guide rails or the guide grooves on the vertical rods in a straight line, and one movable frame 13 corresponds to one vertical rod. The both ends of the tie-beam of robot subassembly respectively with two removal frame looks fixed connection, consequently can be along the straight line up-and-down motion in the vertical direction under the drive of removing the frame.

In one embodiment, the forks 3 are connected to the connecting beam 2; the robot arm 4 is connected to the forks 3 such that the robot arm 4 can move linearly along a horizontal guide rail on the fork 3.

As shown in fig. 5-6, the horizontal guide rails are provided on the forks to extend along the length of the forks, i.e., in the horizontal direction. The goods fork is provided with a mechanical arm driving motor 14, the mechanical arm driving motor can drive a gear to rotate, the gear is meshed with a rack on a guide rail of the connecting beam 2, and the mechanical arm can be driven to linearly move along a horizontal guide rail through rotating the gear. One end of the fork is connected to the connecting beam in a sliding mode, and the fork and the connecting beam are of an integrated structure. The other end of the fork 3 is provided with the mechanical arm 4, and the mechanical arm are in sliding connection.

In one embodiment, the plate is connected to the robot arm through a chain type fixing assembly, and the chain type fixing assembly 6 comprises a shackle 61, a loop chain assembly and a fixing seat 62; the first end of the endless chain assembly is connected with the fixed seat 62, and the second end of the endless chain assembly is connected with the shackle 61; the fixed seat 62 is connected with the mechanical arm 4, so that the first end of the endless chain assembly is connected below the mechanical arm; the shackle 61 is connected to the plate 5 such that the plate 5 is connected below the endless chain assembly.

As shown in fig. 7, the chain type fixing unit 6 is connected to the robot arm at an upper portion thereof and to the flat plate at a lower portion thereof. The flat plate and the hooking device on the flat plate are connected onto the mechanical arm through the chain type fixing component, so that the clamping function of the mechanical arm on the battery pack is realized.

The endless chain assembly includes a plurality of first endless chains 63 and a plurality of second endless chains 64. The first and second link chains are sequentially connected to each other. The flat plate is connected with the mechanical arm through a chain type fixing component, the chain type fixing component is fixed by the fixing seat and the mechanical arm, and the middle of the chain type fixing component is connected with the shackle through the first ring chain and the second ring chain. Wherein the first and second links are of different lengths. During specific implementation, the first ring chain is stressed, and the second ring chain plays a role in protecting and preventing breakage.

In one embodiment, a first guide seat 15 is provided on the lower surface of the plate 5.

In one embodiment, the lower surface of the plate 5 is provided with a positioning pin 16.

The first guide seat enables the flat plate and the battery pack frame to be in a matched angle through the extrusion of the inclined plane and the battery pack frame, and the function of coarse positioning is achieved. Then realize accurate location through the locating pin for collude and get the device and can with the battery package between realize the matching of position and accurate clamp and get. The mechanical arm moves down integrally and is detected to fall to the position number through the travel switch.

When the mechanical arm moves downwards, the flat plate gradually approaches to the top of the battery pack, a descending in-place signal is detected through the travel switch, and the descending position of the mechanical arm in the vertical direction is controlled, so that the hooking device can be just clamped.

In one embodiment, a container 26 is disposed in the compartment of the trailer; a track assembly 27 is provided on the ground of the container.

Because all devices of the battery replacing equipment are arranged in the container 26, when the battery replacing vehicle needs to be moved, the battery replacing vehicle can be directly driven away, relevant power supply circuits are cleaned and buried underground, the movement of the whole battery replacing station can be realized, and the movement is convenient and quick and the cost is low. If the power changing station needs to be arranged at the position next time, the previous power supply circuit is arranged, the power changing vehicle is driven to the original place again in the original place and placed, the power changing station can be rearranged conveniently and quickly.

As shown in fig. 8, the hooking device includes a slide rail 18, a slide block 19, a mounting plate 20 and a slide block driving device 21; the sliding block 19 is arranged on the sliding rail 18 and can move linearly along the track of the sliding rail 18; the slide rail 18 is fixed on the lower surface of the flat plate 5; the mounting plate 20 is connected with the slide block 19, the mounting plate 20 is fixed on the slide block driving device 21, and the mounting plate 20 and the slide block 19 are driven by the slide block driving device 21 to move linearly together; the slider 19 is provided with a hook 22.

In a specific implementation, as shown in fig. 8, the slide block driving device is preferably an electric push rod or an electric cylinder, and is fixedly installed on the slide rail. During specific implementation, the sliding rail and the electric push rod or the electric cylinder can also be arranged on the lower surface of the mechanical arm, and the flat plate is provided with corresponding holes so that the sliding rail and the electric push rod or the electric cylinder can penetrate through the flat plate. The mounting plate is fixedly connected with the output end of the electric push rod or the electric cylinder, and the sliding block is fixed with the lifting hook 22. The mounting plate, the sliding block and the lifting hook are fixedly connected in turn. The mounting plate, the sliding block and the lifting hook are pushed by the electric push rod to slide on the sliding rail, so that the lifting hook is pushed to the frame position of the battery pack, and the battery pack is hooked by the lifting hook. The lifting hook is pushed to different distances, so that the battery packs with different sizes can be lifted.

At least 4 lifting hooks 22 are arranged below the flat plate, and four lifting hooks 22 hook four corners of the battery pack, so that the battery pack can be tightly clamped in the clamp formed by the four lifting hooks.

The utility model discloses in, place battery frame and new battery package in the energy car and be used for changing. The battery frame is fixed on the energy vehicle through bolts. The lifting appliance is used for transferring the new battery pack to the trolley needing to be replaced and transferring the empty old battery pack in the trolley needing to be replaced to the energy vehicle for charging. The rail assembly is used for the lifting appliance to walk in the horizontal direction, so that the robot assembly can grab the battery packs at different positions in the energy vehicle; the fork is through flexible energy car and the exchange that needs trade the electric motor car battery that realizes, and the below of arm is equipped with the lifting hook, colludes through the lifting hook and gets battery package frame and realize top hoist and mount battery package.

The utility model discloses a mobile battery replacing vehicle, which comprises a tractor and a trailer; the tractor is used for providing power and dragging the trailer to advance; a container is arranged in the compartment of the trailer; a track assembly and a special lifting appliance are arranged on the ground of the container; a vertical frame is arranged on a bottom plate of the special lifting appliance; the stand is provided with a robot assembly; the vertical frame is provided with a lifting device.

The robot assembly visually identifies the location of the energy vehicle and the customer vehicle relative to the power transfer vehicle. The special lifting appliance is driven by a walking drive motor 25 through a roller wheel and walks linearly along the track under the assistance of the track assembly through a gear rack, and then the special lifting appliance walks to a position where the energy vehicle battery pack needs to be grabbed; the lifting motor drives the mechanical arm to move up and down through the chain wheel and the chain, and the battery pack is grabbed and installed through the lifting of the mechanical arm.

The stand is also provided with a counterweight system 28 to satisfy the balance of the applicability of the lifting motor and the weight of the battery pack. The counterweight system comprises a plurality of stacked steel plates. The weight of the counterweight system can be adjusted by controlling the number of the steel plates, so that the counterweight system is suitable for different working occasions.

The arm takes away the old battery package of treating the insufficient voltage in the electric vehicle through flexible, is equipped with the buffer position in the energy car and is used for placing the old battery package of insufficient voltage, and the robot subassembly is through transversely walking to new battery package position, snatchs new battery package and installs in treating the electric vehicle that trades through the arm, realizes the energy car, trades the electric car, treats the hoist and mount between three cars such as electric vehicle and trade the electricity, has solved current trade power station and has asked for something high and maintain the inconvenient problem of maintenance to the place.

The lifting appliance is mainly used for lifting the battery pack and comprises a fork, a ring chain assembly, a lifting hook, a sliding block, a sliding rail, an electric push rod, a first guide seat with a coarse guide function, a positioning pin, a travel switch and the like.

When the concrete implementation is carried out, the hoisting process is as follows: the mechanical arm is deflected to a position parallel to the battery pack relatively through extrusion force of the first guide seat for coarse positioning, and the offset is realized through a ring chain component between the mechanical arm and the flat plate. The positioning pin realizes accurate positioning of the battery pack; the lifting hook is fixed on the slider, and the slider removes along the slide rail, and the size that colludes the utensil through electric putter regulation satisfies the demand of colluding the battery package of getting, accomplishes to colluding the commercial car battery package of different specifications and gets, realizes trading the electricity requirement. The whole lifting appliance mechanism is simple in structure and small in occupied space, and can lift battery packs of different specifications and the position deviation of the battery packs.

In the hoisting process, the movement in the vertical direction is controlled by the lifting device, and the movement in the horizontal direction is realized by the mechanical arm driving motor.

The utility model discloses a mode that moves the electricity changing car realizes trading the top hoist and mount of commercial car and trades the electricity, and occupation space is little, and the place requires lowly, and the flexibility is strong.

The utility model discloses can reduce manufacturing cost, make simple structure, the equipment maintenance of being more convenient for is maintained, and improve equipment's utilization ratio accounts for than.

The utility model discloses a lifting appliance, through the unsteady and the adjustment of lifting hook of loop chain subassembly, realize getting colluding of the positional deviation of battery package and not unidimensional battery package, low and with low costs to the space height requirement of using.

Each part of the whole structure of the utility model is a common part, which can reduce the manufacturing cost, simplify the structure, facilitate the maintenance of the equipment and improve the utilization ratio of the equipment; the electric push rod can be replaced by an electric cylinder or an air cylinder and other execution elements. Although the components of the invention are common components, the whole combination solves the problems of the prior art, and tests prove that the replacement process of the battery pack can be quickly and effectively realized.

To sum up, the utility model discloses avoid not enough among the prior art, adopted the lift of fork, the unsteady and the sliding of lifting hook of loop chain, realized the requirement of trading the electricity to commercial car battery package.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A mobile battery replacement vehicle is characterized by comprising a trailer (24); a special lifting appliance is arranged on the trailer (24); the special lifting appliance comprises a bottom plate (1); the bottom plate (1) is provided with a vertical frame and a walking driving motor (25) for driving the special lifting appliance to walk;

the robot assembly comprises a connecting beam (2), a pallet fork (3) and a mechanical arm (4); the pallet fork (3) is arranged on the connecting beam (2); the first end of the fork (3) is connected with the connecting beam (2), the mechanical arm (4) is arranged at the second end of the fork (3), and the mechanical arm (4) can linearly move along the length direction of the fork (3);

the battery pack grabbing device is characterized in that a flat plate (5) is arranged below the mechanical arm (4), the flat plate (5) is connected with the mechanical arm (4), a travel switch (17) and a plurality of groups of grabbing devices are arranged on the lower surface of the flat plate (5), and the grabbing devices grab the battery pack through clamping.

2. The mobile battery replacing vehicle as claimed in claim 1, wherein the vertical frame comprises a gantry (7) and an auxiliary fixing rod (8); the door frame (7) is vertically erected on the upper surface of the bottom plate (1); the auxiliary fixing rod (8) is located on one side of the door frame (7) and fixes the door frame (7) from the side.

3. The mobile battery replacing vehicle as claimed in claim 2, wherein the lifting device comprises a lifting motor (9), a lifting transmission mechanism (10), a chain wheel and a chain (11); the lifting motor (9) is fixed on the gantry (7) and used for driving a lifting transmission mechanism (10); the lifting transmission mechanism (10) drives the chain wheel to rotate; the chain wheel is fixed on the top end of the vertical frame, and the chain (11) is matched with the chain wheel and is driven by the chain wheel to move (11).

4. A mobile battery-changing cart according to claim 1, wherein said lifting device is connected to a mobile beam (12) and can drive said mobile beam (12) to move in a vertical direction.

5. A mobile battery-swapping vehicle as claimed in claim 4, characterized in that the mobile beam (12) is connected to the robot assembly by two mobile frames (13).

6. The mobile battery replacing vehicle as claimed in claim 1, wherein the fork (3) is connected with the connecting beam (2); the mechanical arm (4) is connected with the fork (3) so that the mechanical arm (4) can move linearly along a horizontal guide rail on the fork (3).

7. The mobile battery replacing vehicle as claimed in claim 1, wherein the flat plate is connected with the mechanical arm through a chain type fixing assembly, and the chain type fixing assembly (6) comprises a shackle (61), a loop chain assembly and a fixing seat (62); the first end of the endless chain assembly is connected with the fixed seat (62), and the second end of the endless chain assembly is connected with the shackle (61); the fixed seat (62) is connected with the mechanical arm (4) so that the first end of the endless chain assembly is connected below the mechanical arm; the shackle (61) is connected to the plate (5) such that the plate (5) is connected below the endless chain assembly.

8. A mobile battery-swapping vehicle as claimed in claim 1, characterized in that a first guide seat (15) is provided on the lower surface of the flat plate (5).

9. A mobile battery-swapping vehicle as claimed in claim 1, characterized in that the lower surface of the plate (5) is provided with a positioning pin (16).

10. A mobile battery replacement vehicle as claimed in claim 1, wherein a container (26) is arranged in the compartment of the trailer; a track assembly (27) is provided on the ground of the container.