A tooling

Abstract

The utility model discloses a tool, including base, cushion block, support, first fixed component and second fixed component, the base is provided with first hole and second hole, and the first hole is used for base and test platform connection, and the cushion block is provided with third hole and fourth hole, and the support is provided with fifth hole, and the cushion block sets up between support and base, and the support is used for installing flexible circuit board and aluminum row, and first fixed component is worn in second hole and third hole to connect base and cushion block, and second fixed component is worn in fourth hole and fifth hole to connect cushion block and support. The present application has solved how to improve the accuracy of vibration test technical problem.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, and in particular to a tooling. Background Technology

[0002] To verify the mechanical strength and durability of the connection structure between the flexible circuit board and the aluminum busbar, vibration environment adaptability testing is typically required. In existing technologies, the flexible circuit board and aluminum busbar connection assembly is usually first bonded or fixed as a whole to a rigid mounting plate, which is then bonded to a vibration test platform to simulate the mechanical impact and vibration environment under actual working conditions. However, under high-frequency or multi-axis coupled vibration conditions, the connection points between the flexible circuit board, aluminum busbar, and rigid plate are prone to cracking, detachment, and other failures, resulting in distorted test results, poor repeatability, and reduced test accuracy. Therefore, improving the accuracy of vibration testing has become a pressing issue in the current technological field. Utility Model Content

[0003] One objective of this invention is to provide a tooling that addresses the technical problem of improving the accuracy of vibration testing.

[0004] To achieve the above objectives, the present invention provides a solution: a tooling, characterized in that it includes: a base, a pad, a bracket, a first fixing component, and a second fixing component. The base has a first hole and a second hole. The first hole is used to connect the base and the test platform. The pad has a third hole and a fourth hole. The bracket has a fifth hole. The pad is disposed between the bracket and the base. The bracket is used to install a flexible circuit board and an aluminum strip. The first fixing component passes through the second hole and the third hole to connect the base and the pad. The second fixing component passes through the fourth hole and the fifth hole to connect the pad and the bracket.

[0005] Optionally, the first fixing component includes a first bolt and a first nut. The head of the first bolt is located on the side of the base away from the pad. The first bolt passes through the second hole and the third hole in sequence. The first nut is located on the side of the pad away from the base and is threadedly connected to the first bolt.

[0006] Optionally, the pad includes a base and a protrusion, the protrusion and the base are connected, the protrusion is disposed on the side of the base near the bracket, the protrusion passes through the fifth hole and is used to abut against the aluminum strip, the fourth hole passes through the protrusion, and the second connecting component passes through the aluminum strip to the fourth hole and is connected to the protrusion.

[0007] Optionally, the second connecting assembly includes a second bolt and a second nut, the second nut being disposed in the fourth hole, the thread head of the second bolt being disposed on the side of the aluminum busbar away from the bracket, and the second bolt being threaded through the aluminum busbar and the second nut.

[0008] Optionally, the pad has a groove, the third hole is formed on the inner sidewall of the groove, the first fixing component passes through the groove and the third hole, and the first fixing component does not extend beyond the groove.

[0009] Optionally, the fixture includes a wire harness, the bracket has a wire management channel, the wire harness is placed in the wire management channel, and the wire harness is used to electrically connect the aluminum busbar and the testing equipment.

[0010] Optionally, the wiring harness includes a main wire and branch wires. The bracket has a positioning groove and a clearance opening. The aluminum busbar is placed in the positioning groove, and the main wire is placed in the cable management groove. One end of the main wire is electrically connected to the test equipment, and the other end is electrically connected to the branch wire. The branch wires are sequentially passed through the cable management groove and the clearance opening to the positioning groove, and are electrically connected to the aluminum busbar.

[0011] Optionally, the inner wall of the cable tray is provided with cable tie holes, and the tooling includes cable ties. The cable ties are arranged around the cable harness and pass through the cable tie holes to fix the main cable.

[0012] Optionally, the tooling includes a terminal, which is connected to the wire harness and to the aluminum busbar, and the projection of the wire harness on the plane of the terminal is located inside the terminal.

[0013] Optionally, the pad has a sixth hole, which extends along the connection direction between the third hole and the sixth hole. There are multiple first fixing components, which pass through the sixth hole and are connected to the base.

[0014] The beneficial effects of this utility model are as follows:

[0015] The fixture includes a base, a pad, a bracket, a first fixing component, and a second fixing component. The base has a first hole and a second hole. The first hole is used to connect the base and the test platform. The pad has a third hole and a fourth hole. The bracket has a fifth hole. The pad is placed between the bracket and the base. The bracket is used to install flexible circuit boards and aluminum strips. The first fixing component passes through the second hole and the third hole to connect the base and the pad. The second fixing component passes through the fourth hole and the fifth hole to connect the pad and the bracket.

[0016] In practical applications, a separate structure consisting of a base, pads, and a support is used, and these components are connected sequentially. This allows the flexible circuit board and aluminum busbar to be mounted on the support, and then connected to the base via a second fixing component and a first fixing component. This allows the vibration load applied by the test platform to be transmitted to the support through the base and pads. Compared to existing technologies that directly fix the flexible circuit board and aluminum busbar to the test platform, this application introduces a pad structure between the base and the support, effectively buffering platform vibration or impact forces and preventing the excitation force from directly acting on the connection between the flexible circuit board and the aluminum busbar, thus reducing the risk of connection failure. This improves the reliability and connection retention capability of the connection structure between the flexible circuit board and the aluminum busbar during vibration testing, enhances the authenticity and stability of the test results, and ensures the validity and repeatability of the test under vibration conditions. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, 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 utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the tooling provided in an embodiment of the present utility model;

[0019] Figure 2 This is provided by the embodiment of the present utility model. Figure 1 A magnified view of a portion of region A in the middle;

[0020] Figure 3 This is a schematic diagram of the tooling provided in an embodiment of the present utility model;

[0021] Figure 4 This is provided by the embodiment of the present utility model. Figure 3 A magnified view of a portion of region B in the middle;

[0022] Figure 5 This is an exploded structural diagram provided by an embodiment of the present invention to illustrate the second hole, the third hole, and the fourth hole;

[0023] Figure 6 This is a schematic diagram of the tooling provided in an embodiment of the present utility model;

[0024] Figure 7 This is provided by the embodiment of the present utility model. Figure 6 A magnified view of a portion of region C in the middle;

[0025] Figure 8 This is a schematic diagram of the tooling provided in an embodiment of the present utility model;

[0026] Figure 9 This is provided by the embodiment of the present utility model. Figure 8 Schematic diagram of the cross-sectional structure at point DD;

[0027] Figure 10 This is a partial structural diagram of the cable tie hole and cable tie provided in an embodiment of the present invention.

[0028] Explanation of icon numbers:

[0029] 20. Base; 21. First hole; 22. Second hole; 30. Pad; 31. Third hole; 32. Fourth hole; 33. Sixth hole; 34. Base; 35. Protrusion; 36. Groove; 40. Bracket; 41. Fifth hole; 42. Cable management channel; 43. Positioning groove; 44. Clearance opening; 45. Cable tie hole; 50. First fixing component; 51. First bolt; 52. First nut; 60. Second fixing component; 61. Second bolt; 62. Second nut; 70. Wire harness; 71. Main wire; 72. Branch wire; 80. Terminal; 90. Cable tie; 100. Flexible circuit board; 110. Aluminum busbar. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figures 1 to 9 As shown, Figure 1 This is a schematic diagram of the tooling provided in an embodiment of the present invention. Figure 2 This is provided by the embodiment of the present utility model. Figure 1 A magnified view of a portion of region A in the middle. Figure 3 This is a schematic diagram of the tooling provided in an embodiment of the present invention. Figure 4 This is provided by the embodiment of the present utility model. Figure 3 A magnified view of a portion of region B. Figure 5 This is an exploded structural diagram provided by an embodiment of the present invention to illustrate the second hole 22, the third hole 31, and the fourth hole 32. Figure 6 This is a schematic diagram of the tooling provided in an embodiment of the present invention. Figure 7 This is provided by the embodiment of the present utility model. Figure 6 A magnified view of a portion of region C. Figure 8 This is a schematic diagram of the tooling provided in an embodiment of the present invention. Figure 9This is provided by the embodiment of the present utility model. Figure 8 A schematic diagram of the cross-sectional structure at point DD.

[0032] This utility model provides a tooling comprising: a base 20, a pad 30, a bracket 40, a first fixing component 50, and a second fixing component 60. The base 20 has a first hole 21 and a second hole 22. The first hole 21 is used to connect the base 20 and the test platform. The pad 30 has a third hole 31 and a fourth hole 32. The bracket 40 has a fifth hole 41. The pad 30 is disposed between the bracket 40 and the base 20. The bracket 40 is used to mount a flexible circuit board 100 and an aluminum strip 110. The first fixing component 50 passes through the second hole 22 and the third hole 31 to connect the base 20 and the pad 30. The second fixing component 60 passes through the fourth hole 32 and the fifth hole 41 to connect the pad 30 and the bracket 40.

[0033] In practical applications, by setting up a separate structure of base 20, pad 30, and bracket 40, and connecting them sequentially, the flexible circuit board 100 and aluminum busbar 110 can be mounted on the bracket 40, and connected to the base 20 sequentially by the second fixing component 60 and the first fixing component 50. This allows the vibration load applied by the test platform to be transmitted to the bracket 40 through the base 20 and pad 30. Compared to the prior art where the flexible circuit board 100 and aluminum busbar 110 are directly fixed to the test platform, this application introduces a pad 30 structure between the base 20 and the bracket 40, effectively buffering platform vibration or impact forces, preventing the excitation force from directly acting on the connection between the flexible circuit board 100 and the aluminum busbar 110, and reducing the risk of connection failure. This improves the reliability and connection retention capability of the connection structure between the flexible circuit board 100 and the aluminum busbar 110 during vibration testing, enhances the authenticity and stability of the test results, and ensures the validity and repeatability of the test under vibration conditions.

[0034] In one embodiment, see Figure 5 , Figure 7 and Figure 9 The first fixing component 50 includes a first bolt 51 and a first nut 52. The head of the first bolt 51 is located on the side of the base 20 away from the pad 30. The first bolt 51 is sequentially inserted into the second hole 22 and the third hole 31. The first nut 52 is located on the side of the pad 30 away from the base 20 and is threadedly connected to the first bolt 51.

[0035] In practical applications, the tooling provided in this application uses a first fixing component 50 configured as a mating structure of a first bolt 51 and a first nut 52. The head of the first bolt 51 is located on the side of the base 20 away from the pad 30. The bolt passes through the second hole 22 and the third hole 31 in sequence, and the pad 30 is threadedly connected to the base 20 by the first nut 52 on the side away from the base 20, thereby achieving reliable fixing between the base 20 and the pad 30. This connection method has good mechanical fastening performance, providing a stable connection force during vibration testing, effectively preventing the pad 30 from loosening or shifting relative to the base 20, further improving the rigidity and impact resistance of the overall tooling structure, providing a more stable mounting base for the connection between the flexible circuit board 100 and the aluminum strip 110, and ensuring the reliability of the test data.

[0036] In this embodiment, the first bolt 51 is a press-fit bolt, with the bolt head and the base 20 fixedly connected, and the bolt thread passing through the second hole 22 and the third hole 31 in sequence. In other embodiments of this application, the first bolt 51 may also be other bolts.

[0037] In one embodiment, see Figure 5 and Figure 9 The pad 30 includes a base 34 and a protrusion 35. The protrusion 35 is connected to the base 34. The protrusion 35 is disposed on the side of the base 34 near the bracket 40. The protrusion 35 passes through the fifth hole 41 and is used to abut against the aluminum busbar 110. The fourth hole 32 passes through the protrusion 35. The second connecting component passes through the aluminum busbar 110 to the fourth hole 32 and is connected to the protrusion 35.

[0038] In practical applications, the pad 30 consists of a base 34 and a protrusion 35 located on the side of the base 34 near the support 40. The protrusion 35 passes through the fifth hole 41 of the support 40 and abuts against the aluminum busbar 110, thus forming a stable support structure between the support 40 and the aluminum busbar 110. This helps to provide effective support for the aluminum busbar 110 during vibration testing, preventing displacement or warping and improving connection reliability. Simultaneously, the second fixing component 60 passes sequentially from the aluminum busbar 110 to the fourth hole 32 within the protrusion 35 and connects with the protrusion 35, further enhancing the vertical fixing strength of the aluminum busbar 110 and preventing loosening or connection failure under test loads, thereby improving the overall stability of the test structure and the accuracy of the test results. Furthermore, the protrusion 35 can simulate the structural characteristics of the battery cell terminals in actual working conditions, making the connection state between the aluminum busbar 110 and the flexible circuit board 100 closer to the real-world usage environment, thereby improving the representativeness and effectiveness of the vibration test results.

[0039] In this embodiment, multiple pads 30 are spaced apart along the length of the support 40. Each pad 30 includes a base 34 and two protrusions 35. The two protrusions 35 can simulate the two terminals of a battery cell. The two protrusions 35 are respectively connected to the aluminum busbars 110 on both sides of the flexible circuit board 100.

[0040] Further, see Figure 7 and Figure 9 The second connecting component includes a second bolt 61 and a second nut 62. The second nut 62 is disposed in the fourth hole 32. The threaded head of the second bolt 61 is disposed on the side of the aluminum busbar 110 away from the bracket 40. The second bolt 61 passes through the aluminum busbar 110 and is threadedly connected to the second nut 62.

[0041] In practical applications, a second connecting component is incorporated into the tooling. This component comprises a second bolt 61 and a second nut 62. The second nut 62 is positioned within the fourth hole 32. The second bolt 61 passes through the aluminum busbar 110 from the side furthest from the support 40 and is threadedly connected to the second nut 62. This ensures the aluminum busbar 110 is securely fixed to the protrusion 35, thereby further enhancing the connection rigidity between the aluminum busbar 110 and the support 40. During vibration testing, this connection method effectively prevents displacement, loosening, or connection failure of the aluminum busbar 110 due to vibration loads, improving the stability and repeatability of the entire connection structure. Furthermore, the outward-facing screw head of the second bolt 61 facilitates assembly and disassembly during operation, enhancing the ease of use and maintenance efficiency of the tooling. This structure is beneficial for simulating the stress conditions under actual connection conditions, thereby improving the accuracy and engineering relevance of the reliability test of the connection between the flexible circuit board 100 and the aluminum busbar 110.

[0042] In one embodiment, see Figure 5 , Figure 7 and Figure 9 The pad 30 has a groove 36, and the third hole 31 is opened on the inner side wall of the groove 36. The first fixing component 50 passes through the groove 36 and the third hole 31, and the first fixing component 50 does not extend beyond the groove 36.

[0043] In practical applications, by setting a groove 36 on the pad 30 and opening a third hole 31 on the inner sidewall of the groove 36, the first fixing component 50 passes through the groove 36 and the third hole 31, and the shape of the fixing component does not exceed the groove 36, thus embedding the first fixing component 50 inside the groove 36. This structure can, on the one hand, prevent the first fixing component 50 from being exposed during vibration testing, reduce its direct contact with the test platform or support 40, reduce impact transmission and stress concentration, and improve the overall vibration resistance and connection stability of the fixture; on the other hand, this structure effectively reduces interference between components, avoids local structural protrusions that restrict assembly or testing space, thereby reducing the overall space occupied by the fixture, improving layout flexibility and compactness, and facilitating efficient and stable vibration testing in limited testing environments.

[0044] In one embodiment, reference is made to Figure 2 The tooling includes a wire harness 70, and a bracket 40 with a wire management groove 42. The wire harness 70 is placed in the wire management groove 42 and is used to electrically connect the aluminum busbar 110 and the testing equipment.

[0045] In practical applications, by setting cable management channels 42 on the bracket 40 and placing the wire harness 70 within these channels, the wire harness 70 can be laid out along a predetermined path during the connection of the aluminum busbar 110 and the testing equipment, avoiding disorderly tangling or suspended distribution, thereby improving the neatness and reliability of the wire harness 70 wiring. This structure helps prevent the wire harness 70 from swinging, being pulled, or wearing during vibration testing, reducing problems such as loose connections and breaks caused by stress concentration in the wire harness 70, and improving the stability and accuracy of test data. Simultaneously, this cable management design also helps to standardize electrical connection paths, reduce the risk of interference from the wire harness 70, and further improve the electrical safety and system integration of the testing fixture.

[0046] In this embodiment, the flexible circuit board 100 includes a connector. After the flexible circuit board 100 is installed on the bracket 40, the connector is located at one end of the bracket 40 along its own length direction. The cable management groove 42 is opened along the length direction of the bracket 40 and passes through the end of the bracket 40 away from the connector. The wire harness 70 passes through the cable management groove 42 from one end of the bracket 40 and exits the cable management groove 42.

[0047] Furthermore, referring to Figure 2 The wiring harness 70 includes a main wire 71 and a branch wire 72. The bracket 40 has a positioning groove 43 and a clearance opening 44. The aluminum busbar 110 is set in the positioning groove 43. The main wire 71 is set in the cable management groove 42. One end of the main wire 71 is electrically connected to the test equipment, and the other end is electrically connected to the branch wire 72. The branch wire 72 is sequentially passed through the cable management groove 42 and the clearance opening 44 to the positioning groove 43, and is electrically connected to the aluminum busbar 110.

[0048] In practical applications, by configuring the wire harness 70 into a structure including a main line 71 and branch lines 72, and by providing a positioning groove 43 and a clearance opening 44 on the bracket 40, effective partitioning of the main line 71 and branch lines 72 is achieved. The main line 71 is laid along the cable management groove 42 and connects to the test equipment. The branch lines 72 are guided through the cable management groove 42 and the clearance opening 44 to the positioning groove 43, where they are electrically connected to the aluminum busbar 110. This effectively avoids tangling, crossing, or interference of the wire harness 70 in the test environment, improving the standardization and stability of the wire harness 70 wiring. At the same time, the clearance opening 44 ensures that the branch lines 72 can naturally transition to the connection area of ​​the aluminum busbar 110, reducing cable stress and bending, and improving connection reliability and electrical contact stability. This structure also improves the anti-interference capability and maintainability of the tooling under vibration testing, further enhancing the stability and accuracy of the overall test system.

[0049] Optionally, refer to Figure 10 The inner wall of the cable tray 42 is provided with a cable tie hole 45. The tooling includes a cable tie 90, which surrounds the wire harness 70 and passes through the cable tie hole 45 to fix the main wire 71.

[0050] In practical applications, by creating cable tie holes 45 on the inner wall of the cable management groove 42 and installing cable ties 90 for wrapping the wire harness 70, the wire harness 70 can be securely fixed in the cable management groove 42 after passing through the cable tie holes 45 with the cable ties 90. This prevents the wire harness 70 from loosening, shifting, or shaking during vibration testing, improving the stability and reliability of the wire harness 70's layout. This structure effectively reduces the risk of wear or detachment of the wire harness 70 due to movement or interference, enhances the continuity of electrical connections and vibration resistance, and also facilitates the organization and maintenance of the wire harness 70, further improving the applicability of the tooling in testing and the accuracy of test data.

[0051] In other embodiments of this application, the wire harness 70 can also be bonded to the inner wall of the cable tray 42 or the bracket 40, or the wire harness 70 can be fixed to the bracket 40 by wire clips. The cable tie hole 45 can also be formed on the bracket 40, as long as the cable tie 90 can be wrapped around the outside of the wire harness 70 to fix the wire harness 70.

[0052] Optionally, refer to Figure 2 The tooling includes a terminal 80, which is connected to a wire harness 70 and an aluminum busbar 110. The projection of the wire harness 70 onto the plane of the terminal 80 is located inside the terminal 80.

[0053] In practical applications, this application sets up a terminal 80, first welding the wire harness 70 to the terminal 80, and then welding the terminal 80 to the aluminum busbar 110, thereby increasing the welding area and improving the welding strength. This makes the electrical connection between the wire harness 70 and the aluminum busbar 110 more stable and reliable, avoiding poor contact or connection failure caused by shaking, pulling or offset, thereby improving the vibration resistance of the tooling and the reliability of the electrical connection, and ensuring the accuracy and consistency of test data acquisition.

[0054] In this embodiment, the terminal 80 is a rectangular plate, and the larger surface area of ​​the terminal 80 is attached to the aluminum busbar 110. In other embodiments of this application, the terminal 80 may also be a circular, polygonal, or other shaped structure.

[0055] In one embodiment, reference is made to Figure 5 The pad 30 has a sixth hole 33, which extends along the connection direction of the third hole 31 and the sixth hole 33. There are multiple first fixing components 50, which pass through the sixth hole 33 and are connected to the base 20.

[0056] In practical applications, by setting a sixth hole 33 on the pad 30 that extends along the connection direction of the third hole 31 and the sixth hole 33, the first fixing component 50 has a certain assembly allowance in this direction. The position of multiple first fixing components 50 can be flexibly adjusted according to installation requirements, thereby improving the adaptability of the tooling during the installation process, avoiding assembly difficulties caused by positioning errors, and thus improving assembly efficiency and ensuring the stability of the tooling structure.

[0057] In this embodiment, the third hole 31 is circular. In other embodiments of this application, the sixth hole 33 may also be circular. The third hole 31 extends along the connection direction between the third hole 31 and the sixth hole 33. Alternatively, both the third hole 31 and the sixth hole 33 may extend along the connection direction between the third hole 31 and the sixth hole 33.

[0058] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture. If the specific posture changes, the directional indicator will also change accordingly.

[0059] It should also be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or may be connected to an intermediary component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component through an intermediary component.

[0060] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0061] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A tooling fixture, characterized in that, include: The base has a first hole and a second hole, the first hole being used for connecting the base and the test platform; The pad has a third hole and a fourth hole; The bracket has a fifth hole, and the pad is disposed between the bracket and the base. The bracket is used to install flexible circuit boards and aluminum busbars. A first fixing component passes through the second hole and the third hole to connect the base and the pad; A second fixing component passes through the fourth and fifth holes to connect the pad and the bracket.

2. The tooling according to claim 1, characterized in that, The first fixing component includes a first bolt and a first nut. The head of the first bolt is located on the side of the base away from the pad. The first bolt passes through the second hole and the third hole in sequence. The first nut is located on the side of the pad away from the base and is threadedly connected to the first bolt.

3. The tooling according to claim 1, characterized in that, The pad includes a base and a protrusion. The protrusion is connected to the base and is disposed on the side of the base near the bracket. The protrusion passes through the fifth hole and is used to abut against the aluminum busbar. The fourth hole passes through the protrusion. The second connecting component passes through the aluminum busbar to the fourth hole and is connected to the protrusion.

4. The tooling according to claim 3, characterized in that, The second connecting assembly includes a second bolt and a second nut. The second nut is disposed in the fourth hole. The threaded head of the second bolt is disposed on the side of the aluminum busbar away from the bracket. The second bolt passes through the aluminum busbar and the second nut for threaded connection.

5. The tooling according to claim 1, characterized in that, The pad has a groove, the third hole is formed on the inner sidewall of the groove, the first fixing component passes through the groove and the third hole, and the first fixing component does not extend beyond the groove.

6. The tooling according to claim 1, characterized in that, The tooling includes a wire harness, the bracket has a wire channel, the wire harness is disposed in the wire channel, and the wire harness is used to electrically connect the aluminum busbar and the testing equipment.

7. The tooling according to claim 6, characterized in that, The wiring harness includes a main wire and a branch wire. The bracket has a positioning groove and a clearance opening. The aluminum busbar is disposed in the positioning groove. The main wire is disposed in the cable management groove. One end of the main wire is electrically connected to the testing equipment, and the other end is electrically connected to the branch wire. The branch wire passes through the cable management groove and the clearance opening to the positioning groove in sequence, and is electrically connected to the aluminum busbar.

8. The tooling according to any one of claims 6 or 7, characterized in that, The inner wall of the cable tray is provided with cable tie holes. The tooling includes cable ties, which are arranged around the cable harness and pass through the cable tie holes to fix the main cable.

9. The tooling according to any one of claims 6 or 7, characterized in that, The tooling includes a terminal, which is connected to the wire harness and the aluminum busbar. The projection of the wire harness onto the plane of the terminal is located inside the terminal.

10. The tooling according to claim 1, characterized in that, The pad has a sixth hole, which extends along the connection direction between the third hole and the sixth hole. There are multiple first fixing components, which pass through the sixth hole and are connected to the base.

Images