CN213322732U - Telescopic mechanism for vehicle battery - Google Patents

Abstract

The utility model provides a pair of a telescopic machanism for vehicle battery, including the propelling movement subassembly that is used for transmitting vehicle battery, the propelling movement subassembly includes: the push plate is provided with a grabbing part for taking and placing the vehicle battery; the fixed support is used for fixing the pushing mechanism on the base surface and is connected with the push plate in a sliding manner; the first driving part is used for driving the push plate; the direction that the push pedal is prescribed a limit to along fixing support through first drive division drive slides to make the grasping element stretch out to fixing support's outside, this push mechanism is applicable to a side direction and trades electric platform, transmits the vehicle battery through the propelling movement subassembly, and the grasping element in the propelling movement subassembly makes things convenient for dismouting battery, so that trade electric efficiency improvement of electric platform.

Description

Telescopic mechanism for vehicle battery

Technical Field

The utility model belongs to the technical field of electric automobile fills and trades electricity, concretely relates to telescopic machanism for vehicle battery.

Background

Aiming at the problems of supply and pollution of traditional fossil energy, car owners and various manufacturers begin to pay attention to new energy automobiles, energy-saving and environment-friendly electric automobiles show well-jet development in recent years, at present, electric automobiles are limited by batteries, the endurance mileage of existing electric automobile batteries is generally in the range of 200 KM and 500KM, the problem of long battery charging time is particularly prominent, and in order to solve the problem, one of the mainstream electric energy supply schemes is a battery replacement scheme, so that the battery is conveniently and quickly detached from a vehicle, and a full-charge battery is replaced and installed on the vehicle, and a telescopic mechanism for conveniently transmitting the battery is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a telescopic machanism for vehicle battery.

The utility model provides a pair of a telescopic machanism for vehicle battery, including the propelling movement subassembly that is used for transmitting vehicle battery, the propelling movement subassembly includes:

the push plate is used for bearing a vehicle battery;

the fixed support is used for fixing the pushing assembly on a base surface;

the first driving part is used for driving the push plate;

the push plate is connected with the fixed support in a sliding manner; the push plate is driven by the first driving part so as to extend out of the fixed support.

Preferably, the push plate is provided with a grabbing part, and the grabbing part is used for grabbing the vehicle battery;

the push plate extends out of the fixed support, and the grabbing component is close to a vehicle battery.

Preferably, the gripping member comprises a gripping mechanism body;

the grasping mechanism body includes a locking portion;

the locking part is connected with the vehicle battery to form a limiting structure, the push plate retracts into the fixed support, and the grabbing component drives the vehicle battery.

Preferably, the grabbing mechanism body comprises a locking actuator for driving the locking part to rotate, and the locking part is enabled to unlock the vehicle battery through the rotation of the locking part, and meanwhile, the locking part is fixedly connected with the vehicle battery.

Preferably, the grasping mechanism body further includes a sensing element by which a rotation angle of the lock driver is detected.

Preferably, a second driving portion is provided in the grasping member, and the grasping member is driven by the second driving portion to move relative to the pushing plate, and the grasping member places the grasped vehicle battery on the pushing plate.

Preferably, the push plate is provided with a guide module for defining the moving direction of the gripping part, the guide module extends along the sliding direction of the push plate, and the second driving part drives the guide module to move the gripping part along the defined direction of the guide module.

Preferably, the first driving part and the second driving part are driven by a gear rack, so that the push plate and the grabbing component are pushed.

Preferably, the first driving part is mounted on the push plate, and the first driving part drives the first gear to rotate;

the fixed support comprises side plates, the side plates are arranged on two sides of the push plate, and a first rack which is used for being coupled with the first gear is arranged on each side plate;

a synchronizing shaft is arranged in the first driving portion, the first driving portion drives the synchronizing shaft to rotate, and the first gears are installed at two ends of the synchronizing shaft, so that the first driving portion synchronously drives the two first gears.

Preferably, a guide pulley is installed at one end of the push plate extending out of the fixed support, and the vehicle battery is arranged on the guide pulley in a pressing mode;

the grabbing component drives the vehicle battery, and the guide pulley rolls under the traction action force of the vehicle battery.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a pair of a telescopic machanism for vehicle battery slides through a drive push pedal to make the setting stretch out to fixing support's outside in the push pedal, the push pedal is close to vehicle battery, makes things convenient for vehicle battery to hold and puts in the push pedal, trades the electric vehicle in order to adapt to the side direction, and this push mechanism is convenient to be dismantled or install vehicle battery from the vehicle, thereby improves and trades electric efficiency, the utility model discloses simple structure, convenient to use.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

fig. 3 is an exploded view of the present invention in one embodiment;

fig. 4 is a schematic perspective view illustrating a first detachable component according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a second embodiment of the present invention;

fig. 6 is a schematic perspective view of a vehicle battery according to an embodiment of the present invention.

Shown in the figure:

111. a push assembly;

1111. a fixed support; 1112. a first rack; 1113. pushing the plate; 11131. a guide module; 11132. a guide pulley; 11133. a proximity sensor; 1114. a first driving section; 11141. a first gear; 11142. a speed reducer; 11143. a synchronizing shaft; 1115. a second driving section; 11151. a driving module; 11152. a second gear; 11153. a second rack; 1116. moving the carrier plate;

160. a gripping mechanism body;

161. a lock actuator; 1611. a rotating shaft;

162. a supporting seat;

163. grabbing the battery;

164. an inductive element;

165. fixing the mounting bracket;

400. a vehicle battery;

410. a battery body;

420. a connecting portion.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 6, a telescopic mechanism for a vehicle battery is mainly used in a lateral battery replacement device, which is suitable for a small car by lifting a vehicle body to replace a battery compared with a method for replacing a battery on a vehicle chassis on the market at present, and with the development of technology and particularly the achievement of research on a car battery, a large electric car such as an electric truck and a bus is on the market at present, and for a large car, a scheme for lifting and replacing the battery is obviously impractical, for this reason, to solve such problems, the lateral battery replacement is an important scheme for replacing the large electric car at present, and a main scheme thereof includes that the battery scheme is on a side surface of the vehicle body, so that a step of lifting the vehicle is avoided, the battery replacement process is simplified, but the concealment of the battery is low, the automobile battery is easy to be a target of a lawless person, and therefore, the automobile battery 400 includes a battery body 410 for providing kinetic energy of the vehicle and a connecting assembly 420, the connecting assembly 420 is mounted on one side surface of the battery body 410, and a lock body is built in the connecting assembly 420 to facilitate locking the automobile battery 400 in the automobile;

an input/output port is formed in the other corresponding side surface of the battery body 410, and a connection port on the vehicle is electrically connected with the input/output port on the battery body 410, so that the battery body 410 can realize discharging work; specifically, drive vehicle battery 400 through outside transmission device and break away from the connection port of vehicle or battery compartment to realize dismantling the work of battery, and on the same hand, push vehicle battery 400 into vehicle or battery compartment through outside transmission device, so that input/output port inserts connection port, and then realize vehicle battery 400's installation, and lock through the lock body, simplified current trade dismouting screw step in the electric platform, make the dismouting battery more convenient, save and trade the electric time, improved and trade electric efficiency.

As shown in fig. 1 and 3, the pushing mechanism includes a pushing assembly 111 for transporting a vehicle battery 400, and specifically, the pushing assembly 111 includes: a fixed support 1111, a push plate 1113, a first driving portion 1114, wherein,

a push plate 1113 on which a grasping part for taking and placing the vehicle battery 400 is provided; the fixed support 1111 is used for fixing the pushing mechanism on a base surface, and the fixed support 1111 is connected with the push plate 1113 in a sliding manner; a first driving portion 1114 for driving the push plate 1113;

the working process comprises the steps that the push plate 1113 is driven by the first driving part 1114 to slide along the direction defined by the fixed support 1111, so that the grabbing component extends out of the fixed support 1111 to be convenient for the grabbing component to take and place the vehicle battery 400, wherein after the grabbing component grabs the vehicle battery 400, the first driving part 1114 drives the push plate 1113 to retract, so that the battery is placed on the pushing mechanism; the process of pushing the battery is similar, and the push plate 1113 is driven by the first driving portion 1114, so that the grasping member brings the vehicle battery 400 to protrude outside the fixed seat 1111 to feed the vehicle battery 400 into the vehicle body.

It should be pointed out that this pushing mechanism is not limited to and implements dismouting battery work to the automobile body, because the step of depositing vehicle battery 400 in to the battery compartment is unanimous basically with the dismouting battery, consequently the utility model provides a pushing mechanism can realize depositing work of vehicle battery 400 equally to further, conveniently realize the transmission work of the vehicle battery 400 of automatic trade electric in-process, move through the cooperation of pushing mechanism and carry equipment convenience and transmit vehicle battery 400 between vehicle and battery compartment.

This simple reliable operation of push mechanism, automatic control can be realized to simple sensor of cooperation and control command, so that improve and trade electric efficiency, wherein, the sensor includes position sensor, in a preferred embodiment, position sensor is photoelectric sensor, whether the propelling movement targets in place through photoelectric sensor detection vehicle battery 400, photoelectric sensor includes correlation formula sensor, reflective sensor, the groove is opened the sensor, optical fiber sensor, the common photoelectric sensor of grating chi etc, position detector still can select if the electromagnetic type, common position sensor such as hall formula, the position sensor of common convenient detection position relation should regard as the utility model discloses a concrete implementation scheme.

Snatch part and push pedal 1113 sliding connection for snatch the part and slide along push pedal 1113 slip direction, snatch part independent motion, make the relative push pedal 1113 motion of part of snatching, thereby snatch part and drive vehicle battery 400, and put vehicle battery 400 on push pedal 1113, conveniently bear vehicle battery 400 weight through push pedal 1113, thereby reduce the atress of snatching the part and prolonged the life who snatchs the part.

Further, a second driving section 1115 is disposed in the grasping member, and the grasping member is driven by the second driving section 1115 to move the grasping member relative to the push plate 1113, thereby automatically controlling the movement of the grasping member.

The push plate 1113 is provided with a guide module 11131 defining a moving direction of the gripping member, and the guided module 11131 extends in a sliding direction of the push plate 1113 and is driven by the second driving part 1115 to move the gripping member in the direction defined by the guide module 11131.

As shown in fig. 4, in a preferred embodiment, the second driving part 1115 includes a driving module 11151, a second gear 11152, and a second rack 11153;

the second rack 11153 is mounted on the push plate 1113, the second rack 11153 extends along the sliding direction of the push plate 1113, and is coupled with the second gear 11152 through the second rack 11153, and the driving module 11151 drives the second gear 11152 to move the grabbing part.

Further, the first driving portion 1114 drives the push plate 1113 to slide through the rack and pinion transmission.

The first driving part 1114 is installed on the push plate 1113, the first driving part 1114 drives the first gear 11141 to rotate, and the fixed support 1111 is installed with a first rack 1112 for coupling with the first gear 11141.

Utilize rack and pinion's transmission mode, simple structure is convenient for maintain, and rack and pinion's cost is lower simultaneously, is convenient for reduce this push mechanism's manufacturing cost, it needs to point out, utilize rack and pinion transmission to realize push pedal 1113 and snatch part horizontal migration's technical scheme to do in this application the utility model discloses an optimal scheme, and common screw drive, chain drive, belt pulley transmission, pneumatic transmission, hydraulic transmission etc. can realize driving horizontal migration's technological effect equally, should regard as the utility model discloses a concrete implementation scheme.

As shown in fig. 1 and 2, further, the fixing support 1111 includes side plates disposed on two sides of the pushing plate 1113, and the first rack 1112 is mounted on the side plates; the first driving part 1114 is provided with a synchronizing shaft 11143 therein, the first driving part 1114 drives the synchronizing shaft 11143 to rotate, and first gears 11141 are mounted at two ends of the synchronizing shaft 11143, so that the first driving part 1114 drives the two first gears 11141 synchronously.

Since the vehicle battery 400 is placed on the push plate 1113 during the transportation process, the push plate 1113 is subjected to a large force, and the two first gears 11141 are synchronously driven by the first driving part 1114, so that the push plate 1113 is more stable during the movement process.

In this application, all adopt rack and pinion transmission in first drive division 1114, the second drive division 1115, because rack and pinion transmission is comparatively stable for stability improves when transmitting vehicle battery 400, and the rack and pinion bearing capacity is big simultaneously, is convenient for push large-scale vehicle battery 400 in this application, and the transmission precision is higher, makes the convenient accurate battery of getting of propelling movement subassembly 111, and rack and pinion transmission is simple, is convenient for simplify equipment structure.

Meanwhile, the first driving part 1114 further comprises a reducer 11142, and since the push plate 1113 is subjected to a large force, the output rotation speed of the first driving part 1114 is reduced through the reducer 11142, so that the output torque of the first driving part 1114 is increased to improve the stability of the push plate 1113 in the movement process.

One end of the push plate 1113 extending out of the fixed support 1111 is provided with a guide pulley 11132, and the vehicle battery 400 is pressed on the guide pulley 11132 and rolls along with the traction of the vehicle battery 400 on the guide pulley 11132;

as shown in fig. 3, the vehicle battery 400 is driven by the grabbing component, and the sliding guide wheel 11132 rolls under the traction force of the vehicle battery 400; since the vehicle battery 400 is drawn by the grasping member to slide, if the friction force applied to the vehicle battery 400 to slide on the surface of the push plate 1113 is large, the torque of the second driving part 1115 needs to be increased, so that the service life of the second driving part 1115 is shortened, the sliding friction is changed into rolling friction through the guide pulley 11132, the friction force is reduced, and the torque of the second driving part 1115 is reduced.

A proximity sensor 11133 is further installed at one end of the push plate 1113, which is provided with the guide pulley 11132, and the proximity sensor 11133 is used for detecting the distance between the push plate 1113 and a vehicle or a battery compartment to avoid collision; further, the grasping member is driven by the second driving part 1115, and the moving distance thereof is secured at a fixed distance, which facilitates the detection of whether the taking mechanism body 160 is connected to the connecting assembly 420 through the proximity sensor 11133.

As shown in fig. 5, the grabbing member includes a grabbing mechanism body 160, and in a preferred embodiment, the grabbing mechanism body 160 includes a locking portion 163 matching with a locking hole of a lock body in the connecting assembly 420, and the pushing assembly 111 drives the grabbing mechanism body 160 to move towards the connecting assembly 420 of the vehicle battery 400, so that the locking portion 163 and the connecting assembly 420 are locked to form a limiting structure, so that the battery transfer mechanism drives the vehicle battery 400, so as to facilitate the vehicle battery 400 to move between the battery compartment and the vehicle.

Further, the connection assembly 420 further includes a locking head provided with a locking hole;

a bolt is arranged in the lock body and used for limiting the position of the vehicle battery 400 so as to fix the vehicle battery 400 in the base, and in the preferred embodiment, the bolt is used for fixing the vehicle battery 400 in the vehicle and enabling the bolt to move by driving the lock head to rotate;

the locking part 163 is coupled with the lock head, so that the locking part 163 drives the lock head, thereby realizing that the locking part 163 drives the lock head to rotate, and the lock tongue is driven by rotating the locking part 163, so that the lock tongue and the vehicle realize unlocking or locking.

Further, coupling assembling 420 still includes the connecting rod, is connected the spring bolt with the tapered end through the connecting rod, rotates through the tapered end for the connecting rod pulling spring bolt motion, thereby realized the spring bolt unblock or locking.

The quantity of lock body is two, and two lock body settings are in the both sides of tapered end, and on the tapered end was connected to the tapered end through the connecting rod respectively in the lock body, the position of spring bolt stretched out in battery body 410, be convenient for be connected with the joint position of vehicle, through the mode that both sides were arranged for vehicle battery 400 receives two limit point restrictions at the vehicle, makes fixedly more stable.

Furthermore, an elastic block for resetting the bolt is arranged in the lock body, and when the lock head is rotated, the bolt is retracted into the lock body; when the acting force for rotating the lock head is removed, the elastic block drives the lock tongue to rebound, the lock tongue extends out of the lock body, and meanwhile, the lock head is pulled by the connecting rod to rotate and reset, so that the grabbing mechanism body 160 is driven conveniently; specifically, as the lock head is reversely reset by the elastic force of the elastic block, the grabbing mechanism body 160 only needs to detect an initial position and an end position in the rotating process, when the locking part 163 rotates from the initial position to the end position, the bolt contracts into the lock body and the grabbing mechanism body 160 is locked with the vehicle battery 400 to form a limit structure, and when the locking part 163 reversely rotates from the end position to the initial position, the bolt extends out and the grabbing mechanism body 160 and the vehicle battery 400 are unlocked and connected.

The locking part 163 comprises a fixed claw, and a limit block extending outwards is arranged at the edge of the fixed claw; the lock head is provided with a lock groove for the fixed claw to extend into, the shape and the size of the lock groove on the end surface of the lock head are in clearance fit with the fixed claw, the shape of the lock groove in the lock head is the shape formed by the rotation of the fixed claw, and a limiting rod is arranged in the lock groove;

the stationary dog stretches into the locked groove, rotates through the stationary dog for stopper and gag lever post on the stationary dog are inconsistent, thereby drive the tapered end and rotate, and the spring bolt realizes the unblock with vehicle or battery compartment.

Meanwhile, when the fixed claw is abutted to the limiting rod, the position of the fixed claw in the extending direction is limited through the locking groove, so that the battery transferring mechanism drives the vehicle battery to move.

The grasping mechanism body 160 includes a locking driver 161 for driving the locking part 163 to rotate, and the locking part 163 is driven to rotate by the locking driver 161 so that the locking part 163 is in locking connection with the connecting assembly 420;

in a preferred embodiment, the fixing claws are circumferentially arranged with the rotating axial direction as a circle center, the number of the limiting rods is opposite to the limiting blocks, and a sensing element 164 for controlling the locking driver 161 to open and close is installed on the rotating shaft of the locking driver 161.

Specifically, since the fixed claw extends into the lock groove, the lock actuator 161 drives the fixed claw to rotate by a certain angle, and then the stopper contacts with the limit rod, before that, the locking part 163 rotates relative to the lock head, and after the stopper contacts with the limit rod, the locking part 163 is stationary relative to the lock head, and the locking actuator 161 drives the lock head to rotate, so that the lock tongue moves, and when the unlocking process is completed, the locking actuator 161 rotates by one circle, therefore, only one sensing element 164 is needed, which is simultaneously used as the initial position and the end position, and after the locking actuator 161 rotates by one circle, the sensing element 164 controls the locking actuator 161 to pause, and after the grabbing mechanism body 160 drives the vehicle battery 400 to move, the locking actuator 161 reversely rotates by one circle, so that the fixed claw exits from the lock groove, thereby saving electronic components, and simplifying the control logic.

The locking driver 161 is used to drive the locking part 163 to rotate, the locking driver 161 can be selected from a servo motor, a rotary cylinder and a common rotation driving device, in a preferred embodiment, the locking driver 161 needs to rotate for one circle, preferably a servo motor, the servo motor is convenient to control, because the locking driver 161 needs to rotate back and forth within a certain rotation angle, the rotary cylinder can also be used as an embodiment of the present invention, because the rotation distance of the rotary cylinder is fixed, the sensing element 164 can be omitted, thereby simplifying the control logic; however, the selected locking driver 161 of the present invention is not limited to the servo motor and the rotary cylinder, and the common rotation driving device should be regarded as a specific embodiment of the present invention.

Further, the sensing element 164 includes a photo sensor, wherein a sensing piece of the photo sensor is mounted on the rotating shaft 1611, and a sensing end of the photo sensor is mounted on the fixed base; the grabbing mechanism body 160 comprises a supporting seat 162, the rotating shaft 1611 is supported through the supporting seat 162, a bearing is installed in the supporting seat 162, so that friction in the rotating process of the rotating shaft 1611 is reduced, and the sensing end of the photoelectric sensor is installed on the supporting seat 162.

The grabbing mechanism body 160 comprises a fixed mounting bracket 165 for connecting the grabbing mechanism body 160 into a whole, and the fixed mounting bracket 165 is mounted on the battery transfer mechanism.

The grabbing component further comprises a moving board 1116, the grabbing mechanism body 160 and the driving module 11151 are mounted on the moving board 1116, and the moving board 1116 is connected with the guiding module 11131.

The pushing mechanism further comprises a controller, a working instruction for controlling the electric appliance of the pushing mechanism to work is configured in the controller, meanwhile, the sensor transmits a detection result to the controller through detection, and the working instruction stored in the controller controls the pushing mechanism to work automatically.

The utility model provides a push mechanism should still include power supply unit, and corresponding actuating mechanism should all have corresponding power unit etc. has assembly box body etc. simultaneously, and the corresponding beneficial effect that push mechanism had that also has is no longer repeated.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. A telescopic mechanism for a vehicle battery, comprising a push assembly (111) for transporting a vehicle battery (400), characterized in that the push assembly (111) comprises:

a push plate (1113) for receiving a vehicle battery (400);

a fixed support (1111) for fixing the pushing assembly (111) on a base surface;

a first driving section (1114) for driving the push plate (1113);

the push plate (1113) is connected with the fixed support (1111) in a sliding way; the push plate (1113) is driven by the first driving part (1114) such that the push plate (1113) protrudes to the outside of the fixing mount (1111).

2. A telescopic mechanism for a vehicle battery according to claim 1, wherein the push plate (1113) is provided with a grasping member for grasping the vehicle battery (400);

the push plate (1113) extends to the outside of the fixed support (1111), and the grabbing component is close to a vehicle battery (400).

3. A telescopic mechanism for a vehicle battery according to claim 2, characterized in that said gripping member comprises a gripping mechanism body (160);

the grasping mechanism body (160) includes a lock portion (163);

the locking part (163) is connected with the vehicle battery (400) to form a limiting structure, the push plate (1113) retracts into the fixed support (1111), and the grabbing component drives the vehicle battery (400).

4. A telescopic mechanism for a vehicle battery according to claim 3, characterized in that the catch mechanism body (160) comprises a lock actuator (161) for actuating the rotation of the locking part (163), such that the locking part (163) unlocks the vehicle battery (400) by the rotation of the locking part (163), while the locking part (163) is fixedly connected to the vehicle battery (400).

5. A telescopic mechanism for a vehicle battery according to claim 4, characterized in that the catching mechanism body (160) further comprises a sensing element (164), by which the rotation angle of the lock actuator (161) is detected.

6. A telescopic mechanism for vehicle batteries according to claim 2, characterized in that a second driving part (1115) is provided in the gripping member, and the gripping member is driven by the second driving part (1115) to move relative to the push plate (1113), and bears the gripped vehicle battery (400) on the push plate (1113).

7. A telescopic mechanism for a vehicle battery according to claim 6, wherein a guide module (11131) defining a moving direction of the grasping member is provided on the push plate (1113), the guide module (11131) extending in a sliding direction of the push plate (1113) and being driven by the second driving section (1115) so that the grasping member moves in the direction defined by the guide module (11131).

8. A telescopic mechanism for vehicle battery according to claim 6, characterized in that the first and second driving parts (1114, 1115) are geared by rack and pinion so that the push plate (1113), the gripping member.

9. A telescopic mechanism for a vehicle battery according to claim 8, wherein said first driving portion (1114) is mounted on said push plate (1113), said first driving portion (1114) driving the first gear (11141) in rotation;

the fixed support (1111) comprises side plates which are arranged at two sides of the push plate (1113), and a first rack (1112) which is used for being coupled with the first gear (11141) is arranged on the side plates;

a synchronous shaft (11143) is arranged in the first driving part (1114), the first driving part (1114) drives the synchronous shaft (11143) to rotate, and the first gears (11141) are mounted at two ends of the synchronous shaft (11143), so that the first driving part (1114) synchronously drives the two first gears (11141).

10. A telescopic mechanism for vehicle battery according to claim 6, characterized in that the push plate (1113) is provided with a guide pulley (11132) at the end extending out of the fixed seat (1111), and the vehicle battery (400) is pressed on the guide pulley (11132);

the grabbing component drives the vehicle battery (400), and the guide pulley (11132) rolls under the traction action of the vehicle battery (400).

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