CN218287705U

CN218287705U - Trade electric collet, trade electric installation, operation machinery and trade electric system

Info

Publication number: CN218287705U
Application number: CN202222391019.6U
Authority: CN
Inventors: 李伟
Original assignee: Sany Electric Vehicle Technology Co Ltd
Current assignee: Sany Electric Vehicle Technology Co Ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-13
Anticipated expiration: 2032-09-08

Abstract

The utility model relates to a trade the electric field, provide a trade the electric collet, trade electric installation, operation machinery and trade electric system, wherein, trade the electric collet and include: the connector comprises a bracket and a connector assembly, wherein a first hollow-out area is formed in the middle of the bracket; the connector assembly is arranged in the first hollow area and comprises a connector body, a mounting frame and a limiting part, the connector body and the limiting part are mounted on the same side of the mounting frame, and the height of the limiting part on the same side of the mounting frame is larger than that of the connector body on the same side. Be used for solving among the prior art connector at the butt joint cooperation in-process, cause the defect of excessive pressure, the utility model provides a trade the electric collet, through setting up the connector assembly in the first fretwork district at bracket middle part to with trade the electric module and carry out charging connection, set up the locating part at the homonymy of the connector body of mounting bracket, make the height that highly is greater than the connector body of locating part, thereby realize the overvoltage protection at connector body butt joint in-process, avoid causing the damage of connector body.

Description

Trade electric collet, trade electric installation, operation machinery and trade electric system

Technical Field

The utility model relates to a trade electric technical field, especially relate to a trade electric collet, trade electric installation, operation machinery and trade electric system.

Background

The vehicle battery replacing device comprises a battery replacing bottom support and a battery replacing module, wherein the battery replacing bottom support and the battery replacing module are used for charging, and a connector of the battery replacing module is electrically connected with a connector of the battery replacing bottom support after being matched, so that the charging of a vehicle battery is realized.

Because the battery capacity of the battery replacing module needs to be large, the battery weight of the battery replacing module is large, and when the connector of the battery replacing module falls onto the connector of the battery replacing bottom support, the dead weight of the battery replacing module is large, so that the overvoltage of the connector is easily caused and the connector is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a trade electric collet, trade electric installation, operation machinery and trade electric system for solve among the prior art connector and in butt joint cooperation in-process, cause the defect of excessive pressure, realize installing the locating part on the bracket and carry out overvoltage protection to the connector body, damage when preventing the connector butt joint.

The utility model provides a trade electric collet, include:

the middle part of the bracket is provided with a first hollow-out area;

the connector assembly, the connector assembly is arranged in the first fretwork district, the connector assembly includes connector body, mounting bracket and locating part, the connector body with the locating part is installed with one side of mounting bracket, just the mounting bracket is with one side the locating part height is greater than with one side the height of connector body, the connector body is used for being connected with the connector cooperation of trading the electric module group the connector body with trade under the state that the connector cooperation of electric module group is connected, the locating part with trade and have interval or butt between the electric module group.

According to the utility model provides a trade electric collet, the locating part includes spacing portion and connecting portion, spacing portion with connecting portion are connected, connecting portion with the mounting bracket is connected;

wherein the height of the limiting part on one side of the mounting rack is greater than that of the connector body.

According to the utility model provides a trade electric collet, the connector assembly still includes buffer gear, buffer gear installs the opposite side of mounting bracket, and, buffer gear arranges in the mounting bracket with between the bracket.

According to the utility model provides a trade electric collet, the mounting bracket includes two at least second fretwork areas, the connector body is arranged in the second fretwork area, just buffer gear connects around the second fretwork area.

According to the utility model provides a trade electric collet, buffer gear includes guide arm, spring and connecting plate, the guide arm is connected the mounting bracket with between the connecting plate, the spring housing is established on the guide arm, the connecting plate with bracket connection.

According to the utility model provides a trade electric collet still includes the guide post, the guide post is installed on the bracket, the inside cavity of guide post first lightening hole has been seted up to the guide post.

According to the utility model provides a trade electric collet, the guide post is including consecutive first face, second face, third face and fourth face, first face with the second face has been seted up first lightening hole, the third face with the shell fragment is installed at the fourth face, just the third face with the fourth face with the bracket connection.

According to the utility model provides a trade electric collet still includes two sets of locating component, and is two sets of the locating component is all installed on the bracket, it is two sets of the locating component with the interval of connector assembly varies.

According to the battery changing collet provided by the utility model, the positioning component comprises a positioning pin and an installation block, the installation block is connected with the bracket, the installation block is provided with an installation hole, and the positioning pin is in interference fit with the installation hole; wherein, the mounting block is provided with a second lightening hole.

The utility model also provides a trade electric installation, including trading electric module and foretell collet of trading the electricity, trade the connector of electric module with trade the collet the connector body electricity is connected.

The utility model also provides an operation machine, which comprises the battery changing bottom support;

alternatively, the work machine includes the battery replacement device.

The utility model also provides a battery changing system, which comprises the battery changing bottom support;

or, the battery replacement system comprises the battery replacement device.

The utility model provides a trade electric collet, through setting up the connector assembly in the first fretwork district at the bracket middle part, in order to carry out charging connection with trading the electrical module group, homonymy at the connector body of mounting bracket sets up the locating part, make the height that highly is greater than the connector body of locating part, thereby realize the overvoltage protection at connector body butt joint in-process, avoid causing the damage of connector body, and, there is interval or butt between locating part and the electrical module group of trading, be connected with the effective cooperation of connector body with the connector of guaranteeing to trade the electrical module group.

Further, in the utility model provides an in trading electric installation, operation machinery and trading electric system, owing to possess as above trade the electric collet, consequently possess as above various advantages.

Drawings

In order to illustrate the technical solutions of the present invention or the prior art more clearly, the drawings used in the following embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a battery replacement bracket provided by the present invention;

FIG. 2 is a schematic view of a connector assembly according to the present invention;

fig. 3 is a second schematic structural view of a connector assembly provided by the present invention;

fig. 4 is a schematic view of a limiting member structure provided by the present invention;

fig. 5 is a schematic structural view of a guide post provided by the present invention;

fig. 6 is a schematic structural diagram of the positioning mechanism provided by the present invention.

Reference numerals:

100: a bracket; 101: a first hollowed-out area; 200: a connector assembly; 201: a connector body; 202: a limiting member; 203: a mounting frame; 204: a buffer mechanism; 210: a guide bar; 211: a spring; 212: a connecting plate; 213: a second hollowed-out area; 220: a limiting part; 221: a connecting portion; 300: a guide post; 301: a first side; 302: a second face; 303: a third surface; 304: a fourth surface; 305: a fifth aspect; 306: a sixth side; 307: a groove; 308: a hollowed-out area; 310: a first lightening hole; 400: a positioning assembly; 401: positioning pins; 402: mounting blocks; 410: mounting holes; 411: and a second lightening hole.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Embodiments of the present invention will be described below with reference to fig. 1 to 6. It is to be understood that the following description is only exemplary of the present invention and is not intended to limit the present invention.

As shown in fig. 1 to 3, the utility model provides a trade electric collet, include: the connector comprises a bracket 100 and a connector assembly 200, wherein a first hollow-out area 101 is formed in the middle of the bracket 100; the connector assembly 200 is disposed in the first hollow-out region 101, wherein the connector assembly 200 includes a connector body 201, a mounting bracket 203 and a limiting member 202, the connector body 201 and the limiting member 202 are mounted on the same side of the mounting bracket 203, the height of the limiting member 202 on the same side of the mounting bracket 203 is greater than the height of the connector body 201 on the same side, the connector body 201 is used for being connected with a connector of a battery replacement module in a matched manner, in a state that the connector body 201 is connected with the connector of the battery replacement module in a matched manner, a space or an abutting joint exists between the limiting member 202 and the battery replacement module, that is, the height of the limiting member 202 is disposed between the height of the connector body 201 and the height of the connector body 201 matched with the connector of the battery replacement module. In other words, the height of the limiting member 202 does not affect the effective fit between the connector body 201 and the connector of the battery replacement module, and on the premise that the connector body 201 is electrically connected and matched with the connector of the battery replacement module, the height of the limiting member 202 above the mounting block 203 is greater than the height of the connector body 201 above the mounting block 203.

Specifically, the bracket 100 is formed with a first working area, a second working area and a third working area, the second working area is disposed between the first working area and the third working area, wherein the second working area is a first hollow-out area 101, and the connector assembly 200 is installed in the first hollow-out area 101 and is used for charging in cooperation with a connector of the battery replacement module.

In an embodiment of the present invention, the battery changing bottom bracket further includes a buffer mechanism 204, the buffer mechanism 204 is installed at the other side of the mounting frame 203 and is placed between the mounting frame 203 and the bracket 100; the spacing is provided between the connection positions of the limiting member 202 and the buffer mechanism 204 on the mounting frame 203, that is, the connector body 201 is mounted on the mounting frame 203, the buffer mechanism 204 is connected between the connection frame and the bracket 100, the limiting member 202 is mounted on the mounting frame 203, and the limiting member 202 and the buffer mechanism 204 are disposed on two opposite surfaces of the mounting frame 203.

To the utility model discloses a connector assembly 200, connector body 201 and locating part 202 are all installed in the top of mounting bracket 203, and buffer gear 204 installs in the below of mounting bracket 203, that is to say, buffer gear 204's one end is connected with mounting bracket 203, and buffer gear 204's the other end is connected with bracket 100. Along the height direction of the connector assembly 200, the buffer mechanism 204 has elasticity, and in the process of matching the connector of the battery replacing module with the connector body 201, the battery replacing module compresses the buffer mechanism 204 downwards; after the battery replacing module is separated from the connector body 201, the buffer mechanism 204 is reset.

In the process of matching the connector of the battery changing module with the connector body 201, the connector of the battery changing module is firstly in matching contact with the connector body 201, the buffer mechanism 204 is compressed, and after the connector of the battery changing module is completely matched with the connector body 201, the battery changing module is abutted to the limiting part 202. The buffering effect may not be ideal due to the influence of the rigidity of the buffering mechanism 204, for example, the rigidity of the buffering mechanism 204 is too large, at this time, the limiting member 202 contacts with the battery replacing module, so as to effectively prevent the overvoltage of the connector of the battery replacing module on the connector body 201 to damage the connector body 201, and particularly, the limiting member 202 plays a better role in preventing the overvoltage under the condition that the dead weight of the battery replacing module is large.

As shown in fig. 3 and 4, further, in an embodiment of the present invention, the limiting member 202 includes a limiting portion 220 and a connecting portion 221, the limiting portion 220 is connected to the connecting portion 221, and the connecting portion 221 is connected to the mounting frame 203; the height of the limiting portion 220 on one side of the mounting frame 203 is greater than that of the connector body 201.

In other words, the limiting portion 220 includes an upper limiting surface and a lower limiting surface, the connecting portion 221 is connected to the lower limiting surface, and when the connecting portion 221 is connected to the mounting bracket 203, the lower limiting surface abuts against the surface of the mounting bracket 203, and the upper limiting surface abuts against the battery replacing module, so as to limit the matching distance between the connector of the battery replacing module and the connector body 201. For example, the connecting portion 221 has a threaded structure, the mounting frame 203 has a threaded hole, the connecting portion 221 is screwed into the threaded hole, or the connecting portion 221 penetrates through the mounting frame 203, the connecting portion 221 is locked to the mounting frame 203 by engaging with a nut, and the connecting portion 221 may have a symmetrical plane to facilitate the rotation and the detachment of the limiting member 202. In an embodiment of the present invention, a surface of the limiting portion 220 departing from the connecting portion 221, i.e., the upper limiting surface, may be a plane. The height H2 of the upper limiting surface of the limiting portion 220 from the mounting bracket 203 is greater than the height H1 of the upper portion of the connector body 201 from the mounting bracket 203.

The limiting member 202 can be made of composite materials such as nylon, so that the weight of the limiting member 202 is reduced, damage to the battery replacement module caused by collision between the limiting member 202 and the battery replacement module is avoided, and the collision noise is effectively reduced.

In addition, with continued reference to fig. 1 and 2, in another embodiment of the present invention, the mounting frame 203 includes at least two second hollow-out regions 213, the connector body 201 is disposed in the second hollow-out regions 213, and the buffer mechanism 204 is connected around the second hollow-out regions 213. In other words, the connector assembly 200 includes at least two connector bodies 201, the connector bodies 201 are disposed in the second hollow area 213, as shown in fig. 3, and the height of the connector bodies 201 is the height H1 of the connector bodies 201 above the mounting frame 203.

The mounting rack 203 is uniformly provided with the buffer mechanisms 204, and the buffer mechanisms 204 are uniformly distributed around the connector bodies 201, for example, the mounting rack 203 is provided with two rows and two columns of four connector bodies 201, and is also provided with three rows and four columns of buffer mechanisms 204; a row of connector bodies 201 is arranged between two adjacent rows of the three rows of buffer mechanisms 204.

Furthermore, as shown in fig. 2 and 3, for the damping mechanism 204 of the present invention, in some embodiments of the present invention, the damping mechanism 204 includes a guide rod 210, a spring 211, and a connecting plate 212, the guide rod 210 is connected between the mounting frame 203 and the connecting plate 212, the spring 211 is sleeved on the guide rod 210, and the connecting plate 212 is connected to the bracket 100.

Specifically, a connection hole is formed in the mount 203, one end of the guide rod 210 penetrates through the connection hole, the other end of the guide rod 210 is limited at one side of the limiting member 202 of the mount 203, the guide rod 210 is sleeved with a spring 211, one end of the guide rod 210 is connected with the connection plate 212, and the spring 211 is arranged between the mount 203 and the connection plate 212. Spring 211 and mounting bracket 203 butt, at connector assembly 200 and trade the connector cooperation of electric die set in-process, mounting bracket 203 extrudees spring 211 and plays the effect of buffering.

Wherein the connecting plates 212 are mounted on the bracket 100, for example, the buffer mechanism 204 includes a plurality of connecting plates 212, each connecting plate 212 is connected to a row of buffer mechanisms 204 at the same time, and three connecting plates 212 are connected to the bracket 100, respectively.

As shown in fig. 1 and 5, in another embodiment of the present invention, the charging base further includes a guiding post 300, the guiding post 300 is mounted on the bracket 100, and the guiding post 300 is hollow inside.

Specifically, four guide posts 300 are provided at the four vertices of the bracket 100, although other positions and numbers are possible. The guide post 300 is made of an integrally formed casting, is hollow inside, and is machined on the installation matching surface, so that the guide precision is improved, and the weight is reduced.

Among them, in other embodiments of the present invention, the guiding post 300 is opened with a first lightening hole 310 for reducing the weight of the guiding post 300

Specifically, in the present invention, in an alternative embodiment, the guiding pillar 300 includes a first surface 301, a second surface 302, a third surface 303 and a fourth surface 304 connected in sequence, the first surface 301 and the second surface 302 are provided with a first lightening hole 310, the third surface 303 and the fourth surface 304 are provided with elastic pieces, and the third surface 303 and the fourth surface 304 are connected to the bracket 100.

To the utility model discloses a guide post 300, as shown in fig. 5, guide post 300 still includes fifth face 305 and sixth face 306, first face 301, second face 302, third face 303 and fourth face 304 enclose into the quadrangular prism structure, fifth face 305 is triangle-shaped, be connected with third face 303, second face 302 and sixth face 306 respectively, sixth face 306 is triangle-shaped, be connected with fifth face 305, fourth face 304 and first face 301 respectively, consequently, fifth face 305, sixth face 306, first face 301 and second face 302 form the pyramid structure of direction usefulness on the upper portion of guide post 300. The lower parts of the third surface 303 and the fourth surface 304 are connected with the bracket 100, the upper parts of the third surface 303 and the fourth surface 304 are provided with grooves 307, and elastic pieces are arranged in the grooves 307.

The third surface 303 and the fourth surface 304 may be welded to the bracket 100, and a hollow area 308 may be formed at a welded portion of the third surface 303 and the fourth surface 304 to reduce weight.

As shown in fig. 1, in other embodiments of the present invention, the battery replacing bottom bracket further includes two sets of positioning components 400, the two sets of positioning components 400 are both installed on the bracket 100, and the distance between the two sets of positioning components 400 and the connector assembly 200 is different. The connector of the battery changing module can be prevented from being reversely arranged in front and back when being matched with the battery changing bottom support.

For example, the battery charging tray includes a first positioning component and a second positioning component, and the distance from the first positioning component to the center of the connector assembly 200 is smaller than the distance from the second positioning component to the center of the connector assembly 200.

Or, the battery replacing bottom bracket includes a first positioning component, a second positioning component, a third positioning component and a fourth positioning component, the first positioning component and the second positioning component are disposed on one side of the connector assembly 200, the third positioning component and the fourth positioning component are disposed on the other side of the connector assembly 200, a distance between the first positioning component and the center of the connector assembly 200 is less than a distance between the second positioning component and the center of the connector assembly 200, and a distance between the first positioning component and the center of the connector assembly 200 may be equal to a distance between the third positioning component and the center of the connector assembly 200. Similarly, the distance between the third positioning element and the center of the connector assembly 200 is less than the distance between the fourth positioning element and the center of the connector assembly 200, and the distance between the fourth positioning element and the center of the connector assembly 200 may be equal to the distance between the second positioning element and the center of the connector assembly 200.

As shown in fig. 6, for the positioning assembly 400 of the present invention, the positioning assembly 400 includes a positioning pin 401 and a mounting block 402, the mounting block 402 is connected to the bracket 100, and the positioning pin 401 is inserted into the mounting block 402. That is, the mounting block 402 is provided with a mounting hole 410, and the positioning pin 401 is in interference fit with the mounting hole 410. The radial limiting area of the positioning pin 401 and the mounting block 402 is increased, so that the limiting precision is improved. In addition, the mounting block 402 is made of a casting, the mounting matching surface is machined, and the positioning pin 401 and the mounting block 402 are mounted in an interference fit mode, so that the guiding precision is improved.

Optionally, in an embodiment of the present invention, the mounting block 402 is opened with a second lightening hole 411 for reducing the weight of the mounting block 402.

In addition, still be provided with a plurality of steel pads and rubber pad around bracket 100, the steel pad is used for supporting trades the electric module, guarantees with trading the contact plane degree of electric module. The rubber pad is used for trading buffering and the damping of battery module. Locking mechanisms are further arranged in the first working area and the third working area of the bracket 100 and used for locking the battery replacement module.

The utility model also provides a trade electric installation, including trading the collet of trading of electric module and above-mentioned embodiment, trade the connector of electric module and trade connector body 201 electricity of collet and be connected. For example, the battery replacing module comprises a battery pack and a battery box, and a connector electrically connected with the battery pack is arranged below the battery box and used for matching with the connector body 201.

The utility model also provides an operation machine, which comprises the battery replacing bottom support; alternatively, the working machine includes the battery replacement device according to the above embodiment. The work machine may be a crane, excavator, transporter, compactor, or the like.

The utility model also provides a battery changing system, which comprises the battery changing bottom support in the embodiment; or, the battery swapping system includes the battery swapping device in the above embodiment. The battery replacement system can be a battery replacement vehicle or a battery replacement station and the like. For example, the battery changing tray is arranged on the battery changing vehicle.

The utility model provides a trade electric collet, through setting up connector assembly 200 at the first fretwork district 101 at bracket 100 middle part, in order to with trade the electric module and carry out charging connection, the homonymy at the connector body 201 of mounting bracket 203 sets up locating part 202, make the height that highly is greater than connector body 201 of locating part 202, thereby realize the overvoltage protection at connector body 201 butt joint in-process, avoid causing the damage of connector body 201, and, there are interval or butt locating part 202 and trade between the electric module, be connected with the effective cooperation of connector and connector body 201 that guarantees to trade the electric module.

Further, the utility model provides an in trading electric installation, operation machinery and trading electric system, owing to possess as above trade the electric collet, consequently possess like above various advantages.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a trade electric collet, its characterized in that includes:

the middle part of the bracket is provided with a first hollow-out area;

2. The battery replacing bottom bracket according to claim 1, wherein the limiting member comprises a limiting portion and a connecting portion, the limiting portion is connected with the connecting portion, and the connecting portion is connected with the mounting bracket;

3. The battery changing shoe of claim 1, wherein the connector assembly further comprises a buffer mechanism mounted on the other side of the mounting bracket, and wherein the buffer mechanism is disposed between the mounting bracket and the bracket.

4. The battery replacing collet according to claim 3, wherein the mounting bracket comprises at least two second hollow-out areas, the connector body is disposed in the second hollow-out areas, and the buffer mechanism is connected around the second hollow-out areas.

5. The battery changing bottom bracket according to claim 3, wherein the buffer mechanism comprises a guide rod, a spring and a connecting plate, the guide rod is connected between the mounting bracket and the connecting plate, the spring is sleeved on the guide rod, and the connecting plate is connected with the bracket.

6. The charging bottom bracket as recited in any one of claims 1 to 5, further comprising a guide post mounted on the bracket, wherein a first lightening hole is formed in the guide post, which is hollow inside the guide post.

7. The battery replacing bottom bracket as recited in claim 6, wherein the guide post comprises a first surface, a second surface, a third surface and a fourth surface connected in sequence, the first weight reducing hole is formed in the first surface and the second surface, spring pieces are mounted on the third surface and the fourth surface, and the third surface and the fourth surface are connected with the bracket.

8. The charging shoe according to any one of claims 1 to 5, further comprising two sets of positioning members, both sets of positioning members being mounted on the bracket, the two sets of positioning members being spaced from the connector assembly by unequal distances.

9. The battery changing bottom bracket according to claim 8, wherein the positioning assembly comprises a positioning pin and a mounting block, the mounting block is connected with the bracket, the mounting block is provided with a mounting hole, and the positioning pin is in interference fit with the mounting hole; wherein, the mounting block is provided with a second lightening hole.

10. An electricity replacing device, characterized by comprising an electricity replacing module and the electricity replacing base as claimed in any one of claims 1 to 9, wherein a connector of the electricity replacing module is electrically connected with the connector body of the electricity replacing base.

11. A work machine comprising the battery changing shoe of any one of claims 1 to 9;

alternatively, the work machine includes the battery replacement device according to claim 10.

12. A charging system comprising the charging shoe of any one of claims 1 to 9;

alternatively, the battery swapping system comprises the battery swapping device of claim 10.