Carrying device and transport equipment for battery modules

Abstract

The application belongs to the technical field of mechanical manufacturing and automation, and more particularly relates to a bearing device and a battery module conveying device. The bearing device provided by the application comprises a loading plate and an elastic abutting mechanism. The loading plate is used for bearing a workpiece and is provided with a first reference element used for abutting and positioning with the side wall of the workpiece; and the elastic abutting mechanism comprises an elastic component and an insulating abutting component. The elastic component is installed on the loading plate, and the insulating abutting component is slidingly arranged on the loading plate and is oppositely and spacedly arranged with the first reference element. The insulating abutting component is used for clamping and fixing the workpiece in cooperation with the first reference element under the elastic action of the elastic component. The battery module conveying device provided by the application comprises a conveying device and the above-mentioned bearing device, and the conveying device is used for conveying the bearing device. The application can be adapted to different specifications of battery modules, improve production efficiency, and reduce production cost.

Description

Technical Field

[0001] This application belongs to the field of mechanical manufacturing and automation technology, and more specifically, relates to a transport equipment for a carrying device and a battery module. Background Technology

[0002] In automated production lines for battery modules, module trays serve as crucial tooling for supporting and positioning battery modules, directly impacting production efficiency and product quality. Currently, most module trays employ a fixed structural design, meaning their load-bearing dimensions and positioning structure are custom-developed for specific battery module models. This fixed tray design offers limited dimensional compatibility; one tray can only accommodate one type of battery module. When switching production lines to produce different models, the entire tray must be replaced, resulting in long changeover times and low production efficiency. Furthermore, as the number of battery module models increases, companies need to equip themselves with a large number of trays of different specifications, leading to increased production costs. Utility Model Content

[0003] This application provides a carrier device and a battery module transportation equipment that can be adapted to battery modules of different specifications, thereby improving production efficiency and reducing production costs.

[0004] The technical solution adopted in this application embodiment is: providing a supporting device, including:

[0005] A carrier plate, used to support the workpiece, is provided with a first reference member, which is used to abut and position itself against the side wall of the workpiece; and

[0006] The elastic abutment mechanism includes an elastic component and an insulating abutment component. The elastic component is mounted on the carrier plate, and the insulating abutment component is slidably disposed on the carrier plate and is opposite to and spaced apart from the first reference member. Under the elastic action of the elastic component, the insulating abutment component cooperates with the first reference member to clamp and fix the workpiece.

[0007] Optionally, the insulating abutment assembly includes a sliding member and an insulating abutment member. The sliding member is slidably disposed on the carrier plate and is opposite to and spaced apart from the first reference member. The insulating abutment member is mounted on the sliding member and is used to abut against the workpiece.

[0008] Optionally, the side of the insulating abutment that contacts the workpiece is an arc-shaped surface.

[0009] Optionally, the insulating abutment assembly further includes a pull rod connected to the sliding member, the pull rod having a through hole for connecting to a pulling device.

[0010] Optionally, the elastic component includes a mounting component, a connecting rod, an elastic element, and a fixing component. The mounting component is mounted on the carrier plate. The connecting rod is connected to the sliding component. One end of the connecting rod passes through the mounting component. The elastic element is sleeved on the connecting rod. One end of the elastic element abuts against the mounting component. The fixing component is sleeved on the connecting rod. The other end of the elastic element abuts against the fixing component.

[0011] Optionally, the elastic component further includes a position adjusting member, which passes through the mounting member and is threadedly connected to the mounting member. One end of the position adjusting member is used to abut against the sliding member to adjust the position of the pull rod.

[0012] Optionally, the carrier plate is provided with an insulating contact portion, which is used to support the workpiece.

[0013] Optionally, the carrier plate is further provided with a second reference member, the length direction of the second reference member being perpendicular to the length direction of the first reference member.

[0014] Optionally, the carrier plate is provided with positioning holes for inserting positioning components of the transport device.

[0015] Optionally, a buffer element is provided on the side wall of the carrier plate.

[0016] Optionally, the side wall of the carrier plate is provided with guide wheels, which are used to abut against the side wall of the transport track.

[0017] This application embodiment also provides a battery module transportation device, including a transportation device and the above-described carrying device, wherein the transportation device is used to transport the carrying device.

[0018] The beneficial effects of the bearing device provided in this application embodiment are as follows: The insulating abutment component of the bearing device in this application embodiment is slidably disposed on the carrier plate, and the distance between it and the first reference component can be automatically adjusted within the elastic stroke range. A single set of devices can be compatible with workpieces of different specifications within a certain size range, and multiple models of products can be produced on the same line without changing tooling, reducing tooling costs and shortening changeover time. The workpiece is automatically clamped using elastic force; clamping is completed simply by placing the workpiece between the first reference component and the insulating abutment component, simplifying the process. The first reference component provides a rigid positioning reference, while the elastic abutment component provides flexible clamping force, balancing positioning accuracy and clamping convenience. A reliable electrical isolation is formed between the insulating abutment component and the workpiece, making it particularly suitable for bearing conductive workpieces such as battery modules, effectively preventing short-circuit risks and improving production safety.

[0019] The battery module transport device of this application includes the bearing device in any of the above embodiments, and therefore has the beneficial effects brought by the bearing device in any of the above embodiments, which will not be repeated here. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a three-dimensional structural diagram of the support device provided in the embodiments of this application;

[0022] Figure 2 This is a partial structural schematic diagram of the support device provided in an embodiment of this application.

[0023] The following are the labeling elements in the figure:

[0024] 1. Carrier plate; 11. First reference component; 12. Insulating contact part; 13. Second reference component; 14. Positioning hole; 15. Buffer component; 16. Guide wheel;

[0025] 2. Elastic component; 21. Mounting component; 22. Connecting rod; 23. Elastic component; 24. Fixing component; 25. Position adjusting component;

[0026] 3. Insulating abutment assembly; 31. Sliding component; 32. Insulating abutment assembly; 33. Pull rod; 331. Through hole. Detailed Implementation

[0027] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0028] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0029] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0031] Please see Figure 1 and Figure 2 The supporting device provided in the embodiments of this application will now be described. The supporting device provided in the embodiments of this application includes a carrier plate 1 and an elastic abutment mechanism.

[0032] Carrier plate 1, used to support the workpiece, is provided with a first reference member 11, which is used to abut and position itself against the side wall of the workpiece; and

[0033] The elastic abutment mechanism includes an elastic component 2 and an insulating abutment component 3. The elastic component 2 is installed on the carrier plate 1, and the insulating abutment component 3 is slidably disposed on the carrier plate 1 and is opposite to and spaced apart from the first reference member 11. Under the elastic action of the elastic component 2, the insulating abutment component 3 cooperates with the first reference member 11 to clamp and fix the workpiece.

[0034] Specifically, the workpiece is a battery module. In some embodiments, the workpiece may be a rectangular product.

[0035] In this embodiment, the first reference member 11 is a positioning block fixedly mounted on the carrier plate 1. The positioning block has a positioning plane on the side facing the workpiece. The positioning plane is adapted to the shape of the side wall of the workpiece to ensure positioning accuracy.

[0036] Specifically, the carrier plate 1 is provided with a sliding groove or guide rail structure, and the bottom of the insulating abutment component 3 slides in cooperation with the sliding groove or guide rail, so that the insulating abutment component 3 can slide back and forth in the direction of approaching or moving away from the first reference member 11.

[0037] In some embodiments, the insulating abutment assembly 3 may include an abutment member and an insulating layer wrapped around the outside of the abutment member, the insulating layer being used to directly contact the sidewall of the workpiece. By providing electrical isolation between the insulating layer and the workpiece, the risk of short circuits is avoided when carrying conductive workpieces (such as battery modules).

[0038] In use, first place the workpiece on the carrier plate 1, so that one side wall of the workpiece abuts against the first reference part 11 for positioning; then operate the insulating abutment component 3 to overcome the elastic force and move away from the first reference part 11. After releasing the insulating abutment component 3, the insulating abutment component 3 automatically clamps the other side wall of the workpiece under the action of the elastic force, thus completing the quick clamping and fixing of the workpiece.

[0039] The bearing device provided in this application embodiment, by setting a carrier plate 1 and an elastic abutment mechanism, achieves adaptive elastic clamping and fixing of the workpiece, and has the following beneficial effects:

[0040] First, it has strong compatibility and can be adapted to workpieces of various sizes and specifications. The insulating abutment component 3 is slidably set on the carrier plate 1, and the distance between it and the first reference component 11 can be automatically adjusted within the elastic stroke range. Therefore, a single set of bearing device can be compatible with workpieces of different length and width specifications within a certain size range. It can realize the co-line production of multiple models of products without changing tooling, significantly reducing tooling costs, shortening production line changeover time, and improving production flexibility.

[0041] Secondly, it is convenient to clamp and has high positioning accuracy. The elastic force of the elastic component 2 is used to achieve automatic clamping of the workpiece. The operator only needs to place the workpiece between the first reference component 11 and the insulating abutment component 3 to complete the clamping. No additional locking operation is required, which simplifies the process steps and improves clamping efficiency. At the same time, the first reference component 11 provides a rigid positioning reference, and the elastic component 2 provides a flexible clamping force, which takes into account both positioning accuracy and clamping convenience.

[0042] Third, it offers high electrical safety. By incorporating an insulating abutment component 3, reliable electrical isolation is achieved between the component and the workpiece. This makes it particularly suitable for supporting conductive workpieces such as battery modules, effectively preventing short-circuit risks and improving production safety.

[0043] In this embodiment of the application, the insulating abutment component 3 includes a sliding member 31 and an insulating abutment component 32. The sliding member 31 is slidably disposed on the carrier plate 1 and is opposite to and spaced apart from the first reference member 11. The insulating abutment component 32 is installed on the sliding member 31 and is used to abut against the workpiece.

[0044] Specifically, the slider 31 is a metal slide base with a slider at its bottom. The carrier plate 1 is provided with a groove or guide rail extending in the direction close to or away from the first reference member 11. The slider slides in cooperation with the groove or guide rail so that the slider 31 can slide smoothly in that direction.

[0045] The insulating abutment 32 is made of insulating material, such as engineering plastics, ceramics or composite materials. In some embodiments, the insulating abutment 32 may have an abutment plane on the side facing the workpiece. The shape of the abutment plane is adapted to the side wall contour of the workpiece to increase the contact area, disperse the clamping force, and avoid damage to the workpiece surface.

[0046] The insulating abutment 32 is made of insulating material and comes into direct contact with the workpiece to form reliable electrical isolation. It effectively prevents the risk of short circuit between the conductive workpiece and the metal structure on the bearing device and is suitable for the safe bearing of high-voltage live components such as battery modules.

[0047] The insulating abutment 32 and the sliding part 31 are detachably connected. When the insulating abutment 32 is worn, aged, or needs to be adapted to different workpieces, it can be quickly replaced separately without replacing the entire insulating abutment assembly 3, which significantly reduces maintenance costs and downtime.

[0048] In this embodiment, the side of the insulating abutment 32 that contacts the workpiece is an arc-shaped surface.

[0049] The curved surface can be flexibly designed to fit the contour of the workpiece sidewall as a curved surface or a slightly convex curved surface, which can prevent the workpiece from deforming or wearing when in contact with it.

[0050] In this embodiment, the insulating abutment component 3 further includes a pull rod 33, which is connected to the sliding member 31. The pull rod 33 is provided with a through hole 331 for connecting to the pulling device.

[0051] Specifically, the pull rod 33 is a metal rod, one end of which is fixedly connected to the side of the slider 31 facing away from the first reference member 11. The connection method can be threaded connection, welding, or integral molding. The pull rod 33 extends along the sliding direction of the slider 31. The other end of the pull rod 33 is provided with a through hole 331. The diameter of the through hole 331 is determined according to the size of the connecting part of the pulling device, and can be a round hole, an oblong hole, or a threaded hole.

[0052] The pulling device can be a pneumatic cylinder, electric cylinder, or manual hook, etc., and its output end is detachably connected to the through hole 331 via a pin, hook, or bolt. When it is necessary to load or unload a workpiece, the pulling device pulls the sliding member 31 away from the first reference member 11 by the pull rod 33, so that an opening larger than the width of the workpiece is formed between the first reference member 11 and the insulating abutment member 32, which facilitates the quick loading and unloading of the workpiece. After loading or unloading is completed, the pulling device releases the pull rod 33, and the sliding member 31 automatically resets and clamps under the action of the elastic component 2.

[0053] The through hole 331 on the pull rod 33 facilitates quick connection with pulling devices such as cylinders and electric cylinders, enabling automatic opening and closing of the load-bearing device without manual pushing and pulling, reducing labor intensity, shortening the clamping cycle, and meeting the high-efficiency production needs of automated production lines.

[0054] In this embodiment, the elastic component 2 includes a mounting member 21, a connecting rod 22, an elastic element 23, and a fixing member 24. The mounting member 21 is mounted on the carrier plate 1. The connecting rod 22 is connected to the sliding member 31. One end of the connecting rod 22 passes through the mounting member 21. The elastic element 23 is sleeved on the connecting rod 22. One end of the elastic element 23 abuts against the mounting member 21. The fixing member 24 is sleeved on the connecting rod 22. The other end of the elastic element 23 abuts against the fixing member 24.

[0055] Mounting component 21 is a block or plate structure, fixedly mounted on carrier plate 1 by bolts. Mounting component 21 is provided with guide holes extending along the sliding direction of sliding component 31. Connecting rod 22 is a cylindrical metal rod, one end of which is fixedly connected to sliding component 31. The connection method can be threaded connection, welding or pin connection. The other end of connecting rod 22 passes through the guide hole and can slide along the axial direction of the guide hole.

[0056] The elastic element 23 is a compression spring, sleeved on the connecting rod 22, located between the mounting part 21 and the fixing part 24. One end of the elastic element 23 abuts against the side of the mounting part 21 facing away from the sliding part 31, and the fixing part 24 is sleeved on the connecting rod 22 and abuts against the other end of the elastic element 23, thereby compressing and limiting the elastic element 23 between the mounting part 21 and the fixing part 24. The fixing part 24 is an adjusting nut, and the connecting rod 22 has an external thread that mates with the adjusting nut. By turning the adjusting nut, its axial position on the connecting rod 22 can be changed, thereby adjusting the pre-compression of the elastic element 23 and achieving precise control of the clamping force.

[0057] In some implementations, the elastic element 23 is a disc spring or an elastic rubber sleeve to accommodate different elastic force characteristics and installation space requirements.

[0058] In this embodiment, the connecting rod 22, the elastic element 23, and the fixing element 24 are coaxially mounted on the mounting element 21 to form a modular integrated structure that occupies little space. The elastic force is directly transmitted to the sliding element 31 through the connecting rod 22, resulting in a short force transmission path, low loss, and rapid response.

[0059] By adjusting the position of the fixing member 24 on the connecting rod 22, the pre-compression amount of the elastic member 23 can be precisely changed, thereby flexibly adjusting the clamping force on the workpiece. This ensures clamping reliability while avoiding damage to the workpiece due to excessive clamping force, adapting to the clamping requirements of workpieces with different materials and stiffness.

[0060] In this embodiment, the elastic component 2 further includes a position adjustment member 25, which passes through the mounting member 21 and is threadedly connected to the mounting member 21. One end of the position adjustment member 25 is used to abut against the sliding member 31 to adjust the position of the pull rod 33.

[0061] Specifically, the mounting component 21 is a block or plate-like structure with a threaded hole extending axially along the connecting rod 22. The threaded hole is parallel to and spaced apart from the guide hole. Position adjustment is achieved using an adjusting bolt, comprising a screw portion and a head. The screw portion is threaded into the threaded hole, and the head protrudes from the side of the mounting component 21 facing away from the sliding component 31. The end face of the screw portion facing the sliding component 31 forms abutment end for abutting against the sliding component 31.

[0062] The rotating position adjustment component 25 can actively adjust the position of the pull rod 33 to prevent the pull rod 33 from being too far away from the pulling device, which would prevent the pulling device from pulling the pull rod 33.

[0063] In this embodiment, the carrier plate 1 is provided with an insulating contact portion 12, which is used to support the workpiece.

[0064] Specifically, the main body of the carrier plate 1 is made of metal to ensure the overall structural strength and rigidity. The insulating contact portion 12 is disposed on the bearing surface of the carrier plate 1 facing the workpiece, and is the area that directly contacts the bottom surface of the workpiece. The insulating contact portion 12 is made of insulating material, such as engineering plastics, ceramics, epoxy resin or composite materials, and its shape is adapted to the contour of the bottom surface of the workpiece, and can be in the form of a plane, a grid, or an array of bosses.

[0065] The insulating contact part 12 is a detachable insulating pad that can be quickly fixed to the carrier plate 1 by means of positioning pins or magnetic attraction, which makes it easy to replace the insulating contact part 12 of different specifications according to the workpiece size and improves the compatibility of the device.

[0066] The insulating contact part 12 forms a reliable insulating isolation between the bottom surface of the workpiece and the metal body of the carrier plate 1. Combined with the lateral insulation design of the insulating abutment component 3, it achieves all-round electrical isolation between the workpiece and the carrier device, effectively preventing the risk of short circuit or leakage of high-voltage live workpieces such as battery modules, and improving production safety.

[0067] In this embodiment of the application, a second reference member 13 is also provided on the carrier plate 1, and the length direction of the second reference member 13 is perpendicular to the length direction of the first reference member 11.

[0068] Specifically, the first reference component 11 and the second reference component 13 are both elongated positioning blocks, fixedly mounted on the bearing surface of the carrier plate 1. The first reference component 11 and the second reference component 13 form an L-shaped or right-angled positioning layout in the horizontal plane, together constituting a two-dimensional positioning reference for the workpiece in the horizontal plane.

[0069] In another embodiment, the side of the first reference member 11 and / or the second reference member 13 that contacts the workpiece may be provided with an insulating pad to form electrical isolation between them and the workpiece, thereby further improving electrical safety.

[0070] The first reference component 11 and the second reference component 13 are arranged perpendicularly to each other to form a right-angle positioning reference. They simultaneously constrain the two degrees of freedom of movement of the workpiece in the horizontal plane. With the clamping force of the insulating abutment component 3, the workpiece is fully positioned in the horizontal plane with high positioning accuracy and good repeatability.

[0071] In this embodiment, the carrier plate 1 is provided with a positioning hole 14, which is used to insert the positioning component of the transport device.

[0072] Specifically, the positioning hole 14 is set according to the layout of the positioning components of the transport device. The positioning hole 14 is a circular through hole 331 or a blind hole, and the hole diameter is adapted to the outer diameter of the positioning component. The opening of the positioning hole 14 may be provided with a chamfer or a guide cone surface to facilitate the rapid insertion of the positioning component and improve the docking efficiency.

[0073] The positioning hole 14 forms a pin hole fit with the positioning part of the transport device, which has high positioning accuracy and good repeatability. The carrying device can quickly and accurately dock with AGV, conveyor line and other transport devices, shorten the loading and unloading time and improve the logistics efficiency of the production line.

[0074] In this embodiment of the application, a buffer 15 is provided on the side wall of the carrier plate 1.

[0075] Specifically, the main body of the carrier plate 1 is a rectangular plate structure with four side walls. A buffer element 15 is disposed on at least one side wall of the carrier plate 1 to provide cushioning protection when the load-bearing device comes into contact with surrounding equipment, guardrails, or other load-bearing devices during transport or docking. The buffer element 15 is made of an elastic material, such as rubber, polyurethane, silicone, or elastic plastic, and its hardness is selected according to the cushioning requirements, generally Shore A hardness of 50-80.

[0076] In this embodiment of the application, a guide wheel 16 is provided on the side wall of the carrier plate 1, and the guide wheel 16 is used to abut against the side wall of the transport track.

[0077] Specifically, a wheel seat is provided on the side wall of the carrier plate 1, and the guide wheel 16 is rotatably mounted on the wheel seat via a wheel axle. The rotation axis of the guide wheel 16 is vertically set, and the wheel rim protrudes from the side wall surface of the carrier plate 1. The transport track is a conveyor line, ground rail, or AGV navigation track, etc., with two parallel side walls. The distance between the two side walls is adapted to the overall width of the carrier plate 1 and the two guide wheels 16, so that the wheel rim of the guide wheel 16 makes rolling contact with the side wall.

[0078] The guide wheels 16 are made of wear-resistant materials, such as nylon, polyurethane, or hardened steel. The rim surface may have rounded chamfers or a wear-resistant coating to reduce friction and wear with the sidewalls. The number of guide wheels 16 is determined according to the length of the carrier plate 1. One, two, or more can be set on each side, and they are arranged at intervals along the length of the carrier plate 1 to ensure that the bearing device runs smoothly within the track.

[0079] The guide wheel 16 makes rolling contact with the side wall of the transport track, changing sliding friction into rolling friction, resulting in low guiding resistance and low wear. The guide wheel 16 constrains the position of the bearing device in the width direction of the track, preventing deviation or jamming, and ensuring the accuracy and consistency of the transfer path.

[0080] This application also provides a battery module transportation device, including a transportation device and a carrying device as described in any of the above embodiments, wherein the transportation device is used to transport the carrying device.

[0081] The transportation devices can include AGVs, conveyor lines, and other transportation equipment.

[0082] The battery module transport device of this application includes the bearing device in any of the above embodiments, and therefore has the beneficial effects brought by the bearing device in any of the above embodiments, which will not be repeated here.

[0083] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A supporting device, characterized in that, include: A carrier plate, used to support the workpiece, is provided with a first reference member, which is used to abut and position itself against the side wall of the workpiece. as well as The elastic abutment mechanism includes an elastic component and an insulating abutment component. The elastic component is mounted on the carrier plate, and the insulating abutment component is slidably disposed on the carrier plate and is opposite to and spaced apart from the first reference member. Under the elastic action of the elastic component, the insulating abutment component cooperates with the first reference member to clamp and fix the workpiece.

2. The bearing device according to claim 1, characterized in that, The insulating abutment assembly includes a sliding member and an insulating abutment member. The sliding member is slidably disposed on the carrier plate and is opposite to and spaced apart from the first reference member. The insulating abutment member is mounted on the sliding member and is used to abut against the workpiece.

3. The bearing device according to claim 2, characterized in that, The side of the insulating abutment that contacts the workpiece is an arc-shaped surface.

4. The bearing device according to claim 2, characterized in that, The insulating abutment assembly also includes a pull rod, which is connected to the sliding member. The pull rod has a through hole for connecting to a pulling device.

5. The bearing device according to claim 4, characterized in that, The elastic component includes a mounting component, a connecting rod, an elastic element, and a fixing component. The mounting component is mounted on the carrier plate. The connecting rod is connected to the sliding component. One end of the connecting rod passes through the mounting component. The elastic element is sleeved on the connecting rod. One end of the elastic element abuts against the mounting component. The fixing component is sleeved on the connecting rod. The other end of the elastic element abuts against the fixing component.

6. The bearing device according to claim 5, characterized in that, The elastic component further includes a position adjusting member, which passes through the mounting member and is threadedly connected to the mounting member. One end of the position adjusting member is used to abut against the sliding member to adjust the position of the pull rod.

7. The bearing device according to any one of claims 1-6, characterized in that, The carrier plate is provided with an insulating contact portion, which is used to support the workpiece.

8. The bearing device according to any one of claims 1-6, characterized in that, The carrier plate is also provided with a second reference member, the length direction of which is perpendicular to the length direction of the first reference member.

9. The bearing device according to any one of claims 1-6, characterized in that, The carrier plate is provided with positioning holes, which are used to insert positioning components of the transport device.

10. The bearing device according to any one of claims 1-6, characterized in that, A buffer is provided on the side wall of the carrier plate.

11. The bearing device according to any one of claims 1-6, characterized in that, The side wall of the carrier plate is provided with guide wheels, which are used to abut against the side wall of the transport track.

12. A battery module transport device, characterized in that, It includes a transport device and a carrying device as described in any one of claims 1-11, wherein the transport device is used to transport the carrying device.

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