Test fixture and test equipment

Abstract

The utility model discloses a test fixture and test device.The test device comprises a base, a containing space is formed in the center of the base and used for containing a to-be-tested workpiece, the base comprises at least two supporting mechanisms, each supporting mechanism is provided with a clamping mechanism, the clamping mechanisms are used for clamping and fixing the to-be-tested workpiece, and the clamping mechanisms are used for clamping and fixing the to-be-tested workpiece. A block-up piece is arranged between the supporting mechanism and the clamping mechanism, and the block-up piece can adjust the height of the clamping mechanism. The test fixture is good in stability performance, can fix the motor during testing, effectively avoids dangerous situations such as falling and separation, and provides reliable guarantee for smooth testing. Besides, according to the test fixture, the height of the clamping mechanism is adjusted through the heightening piece, so that the position of the motor is adjusted, butt joint with other test equipment is facilitated, the test precision is guaranteed, the requirement for building of test platforms of motors of different models can be met, the test fixture adapts to tests of the motors of different models, and the applicability of the test fixture is improved.

Description

Technical Field

[0001] This invention belongs to the field of motor testing, and particularly relates to a test fixture and test equipment. Background Technology

[0002] In the manufacturing process of new energy vehicles, different suppliers and models of drive motors may be selected for installation depending on the vehicle model and customer requirements. To ensure that they meet national standards, enterprise standards, and vehicle installation requirements, they must be tested using testing equipment before installation. To avoid affecting the test results, the drive motor and the testing equipment must be properly connected before testing can proceed. Therefore, the compatibility between the drive motor and the testing fixture is crucial during the testing process. However, due to differences in the technical parameters, interface positions, and specifications of different drive motors, existing testing fixtures cannot be fully compatible, resulting in poor versatility. Furthermore, the drive motor rotates at high speed during testing; if it is not securely installed or the clamps are misaligned, it may fall or detach, posing a safety hazard that could injure testing personnel.

[0003] To address the aforementioned issues, existing testing fixtures and tools need to be improved to enhance testing accuracy and ensure the safety of testing personnel during the testing process. Summary of the Invention

[0004] To address the technical problems mentioned in the background art, such as unstable motor installation, poor fixture versatility, and low equipment safety performance, a test fixture and test equipment are provided.

[0005] To achieve the above objectives, the present invention provides a test fixture and test equipment, the specific technical solution of which is as follows:

[0006] A test fixture includes a base with a receiving space at its center for accommodating a workpiece to be tested. The base includes at least two support mechanisms, each of which is provided with a clamping mechanism for clamping and fixing the workpiece to be tested. A shim is provided between the support mechanisms and the clamping mechanism, and the shim can adjust the height of the clamping mechanism.

[0007] Furthermore, the base also includes a connecting plate, which is disposed on the side of the base where no support mechanism is provided, and the connecting plate can extend out of the end face frame of the base. At least one first reinforcing member is provided at the connection between the extended end of the connecting plate and the base.

[0008] Furthermore, at least two connecting plates are provided, and the connecting plates are divided into two groups. The two groups of connecting plates are spaced apart on both sides of the base and extend out of the end face frame of the base. At least one first reinforcing member is provided at the connection between the extended end of each connecting plate and the base.

[0009] Furthermore, adjacent support mechanisms are connected by crossbeams, and at least one second reinforcing member is provided at the connection between the crossbeam and the support mechanism.

[0010] Furthermore, the support mechanism includes at least one support column and a pad connected to the ends of multiple support columns. The pad is provided with a shim and is connected to the clamping mechanism through the shim.

[0011] Furthermore, at least one third reinforcing member is provided at the connection between the pad and each support column.

[0012] Furthermore, the clamping mechanism includes a clamping plate and an adapter frame. The adapter frame is used to connect with the support mechanism. The clamping plate is located between the workpiece to be tested and the adapter frame. Different clamping plates can clamp and fix the workpiece to be tested on the base.

[0013] Furthermore, the clamping plate is L-shaped.

[0014] Furthermore, the adapter is T-shaped, and a protrusion is provided at the corner of the T-shaped adapter.

[0015] A testing device includes the aforementioned testing fixture, and the testing device further includes a testing port. The testing fixture is used to hold the workpiece to be tested, and the testing fixture can be fixed to the testing device so that the workpiece to be tested is close to the testing port, thereby completing the testing operation.

[0016] The test fixture of the present invention has the following advantages: the test fixture clamps and fixes the workpiece to be tested on the base through a clamping mechanism, thereby ensuring the stability of the test. It ensures that the motor is firmly and reliably fixed during the test without affecting the test results, avoiding dangerous situations such as falling or detachment. In addition, the test fixture uses a shim to adjust the height of the clamping mechanism, thereby adjusting the position of the motor. This not only facilitates docking with other test equipment and ensures the accuracy of the test, but also meets the requirements for setting up test platforms for different types of motors, thus adapting to the testing of different types of workpieces and improving the applicability of the test fixture.

[0017] The testing equipment of the present invention has the following advantages: the testing equipment uses the test port to contact and detect the workpiece under test. When testing is required, the protruding end of the workpiece under test must be kept at the same level as the test port of the testing equipment before testing can be performed. In addition, the test fixture can be fixed on the testing equipment, avoiding the problem of wasting manpower by frequently disassembling and moving it during the testing process, saving the time of setting up the testing platform, and improving the efficiency of testing work. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the test fixture of the present invention holding the workpiece to be tested;

[0019] Figure 2This is a schematic diagram of the base structure of the present invention;

[0020] Figure 3 This is a side view of the adapter frame of the present invention;

[0021] Figure 4 This is a front view of the adapter frame of the present invention.

[0022] Explanation of markings in the diagram:

[0023] 1. Base; 11. Support mechanism; 111. Second reinforcing member; 112. Support column; 113. Pad; 114. Third reinforcing member; 12. Connecting plate; 13. First reinforcing member; 14. Crossbeam; 2. Clamping mechanism; 21. Clamping plate; 22. Adapter frame; 221. Protrusion; 222. Reinforcing rib; 3. Elevating component;

[0024] 100, storage space; 200, workpiece to be tested. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] Those skilled in the art will understand that although some embodiments herein include certain features included in other embodiments but not others, combinations of features from different embodiments are intended to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments can be used in any combination.

[0027] The following is a reference to the appendix. Figure 1 To be continued Figure 4 This invention describes a test fixture and test equipment.

[0028] This embodiment provides a testing device, including a test fixture and a test port. The test fixture is used to hold the workpiece 200 to be tested and can be fixed to the testing device so that the workpiece is close to the test port to complete the testing operation. This testing device uses the test port to contact and test the workpiece 200. When testing is required, the protruding end of the workpiece 200 must be kept at the same level as the test port of the testing device for testing to be performed. Furthermore, the test fixture can be fixed to the testing device, avoiding the problem of frequent disassembly and relocation during testing, thus saving manpower, reducing testing platform setup time, and improving testing efficiency.

[0029] The following section uses a drive motor as an example to detail the testing equipment: Before assembling a new energy vehicle, the drive motor needs to be tested for various indicators using this equipment. At this time, the drive motor and the testing equipment must be properly connected. Therefore, after clamping the drive motor using the aforementioned testing fixture, the drive motor's rotating shaft and the testing equipment's transmission shaft must be kept at the same level for testing. Thus, this testing equipment is applicable to various models of drive motors, can be reused repeatedly, greatly reducing tooling manufacturing costs and increasing the tooling's usability. Simultaneously, the mounting bracket fixture improves the installation effect of the test sample, significantly enhancing testing accuracy and the safety of testing personnel, providing strong support for the testing work.

[0030] Figure 1 This is a schematic diagram of the test fixture holding the workpiece 200 to be tested provided in this embodiment; Figure 2 This is a schematic diagram of the structure of the base 1 provided in this embodiment;

[0031] Specifically, this embodiment also provides a test fixture, such as... Figure 1 and Figure 2 As shown, the test fixture includes a base 1 with a accommodating space 100 at its center for accommodating the workpiece 200 to be tested. The base 1 includes at least two support mechanisms 11, each with a clamping mechanism 2 for clamping and fixing the workpiece 200. A shim 3 is provided between the support mechanisms 11 and the clamping mechanism 2, allowing adjustment of the height of the clamping mechanism 2. This test fixture clamps and fixes the workpiece 200 to the base 1 via the clamping mechanism 2, ensuring test stability and guaranteeing the motor's secure and reliable operation during testing without affecting the test results, preventing falls or detachment. Furthermore, the height adjustment of the clamping mechanism 2 using the shim 3 adjusts the motor's position, facilitating interfacing with other testing equipment and ensuring test accuracy. It also allows for the construction of test platforms for different models of workpieces 100, thus improving the applicability of the test fixture.

[0032] Furthermore, the base 1 also includes a connecting plate 12, which is located on the side of the base 1 without the support mechanism 11. The connecting plate 12 extends out of the end frame of the base 1, and at least one first reinforcing member 13 is provided at the connection between the extended end of the connecting plate 12 and the base 1. The main function of the base 1 is to support the workpiece 200 to be tested and keep it at the same level as the testing equipment. The base 1 can be firmly locked to the ground or to the testing equipment through the connecting plate 12 to ensure stability during the testing process. Taking a motor as an example, since a motor generates huge kinetic energy when it runs at high speed, it can cause the test fixture to shake. The above structure can fix the workpiece 200 to be tested, preventing it from shaking or falling off the support and affecting the test. If the drive motor is small, it needs to be raised to keep it level with the drive shaft of the testing equipment in order to ensure normal testing. In this case, a shim 3 of corresponding height needs to be added between the base 1 and the clamping mechanism 2 until the shaft of the motor to be tested is completely level with the drive shaft of the testing equipment before the test of the drive motor is performed.

[0033] Specifically, such as Figure 1 As shown, at least two connecting plates 12 are provided, and the connecting plates 12 are divided into two groups. The two groups of connecting plates 12 are spaced apart on both sides of the base 1 and extend out of the end face frame of the base 1. At least one first reinforcing member 13 is provided at the connection between the extended end of each connecting plate 12 and the base 1.

[0034] By additionally setting a connecting plate 12 at the bottom of the base 1, the test fixture can be easily connected to other test equipment. Optionally, a trapezoidal groove is provided at the protruding end of the connecting plate 12. During installation, bolts can be inserted into the trapezoidal groove, and the connecting plate 12 and the base 1 can be fixed to the test equipment using bolts.

[0035] Furthermore, such as Figure 2 As shown, adjacent support mechanisms are connected by a crossbeam 14, and at least one second reinforcing member 111 is provided at the connection between the crossbeam 14 and the support mechanism 11.

[0036] Optionally, for the sake of the overall strength of the base 1, the specifications of the second reinforcing member 111 are set to the largest, the first reinforcing member 13 to be the second largest, and the third reinforcing member 114 to be the smallest, so as to adapt to the test operation of the drive motor. In other embodiments or other test operations, the specifications (including size, shape, etc.) of the first reinforcing member 13, the second reinforcing member 111 and the third reinforcing member 114 can be adjusted according to the actual situation, and no specific limitation is made here.

[0037] Furthermore, such as Figure 1 and Figure 2As shown, the support mechanism 11 includes at least one support column 112 and a pad 113 connected to the ends of the multiple support columns 112. The pad 113 is provided with a shim 3 and is connected to the clamping mechanism 2 through the shim 3.

[0038] In this embodiment, there are two support mechanisms 11, which are spaced apart at both ends of the base 1, and the support columns 112 belonging to different support mechanisms 11 are connected by the aforementioned crossbeam 14.

[0039] Optionally, two crossbeams 14 are provided, and the two crossbeams 14 can be arranged in parallel on a certain horizontal plane, such as... Figure 2 As shown, a cross-setting can also be used for strength considerations, and no specific limitation is made here.

[0040] Furthermore, at least one third reinforcing member 114 is provided at the connection between the pad 113 and each support column 112.

[0041] Specifically, in this embodiment, such as Figure 2 As shown, the aforementioned support column 112 can be cylindrical.

[0042] In some embodiments, considering that the arc connection between the third reinforcing member 114 and the cylindrical support column 112 may have problems such as inconvenience in manufacturing and poor connection effect, the cylindrical support column 112 can be replaced with a triangular prism or a quadrangular prism, and the third reinforcing member 114 can be connected to the planar part of the triangular prism or quadrangular prism.

[0043] Furthermore, such as Figure 1 As shown, the clamping mechanism 2 includes a clamping plate 21 and an adapter frame 22. The adapter frame 22 is used to connect to the support mechanism 11. The clamping plate 21 is located between the workpiece to be tested 200 and the adapter frame 22. Different clamping plates 21 can clamp and fix the workpiece to be tested 200 on the base 1.

[0044] Optionally, the aforementioned shim 3 can also be disposed between the clamping plate 21 and the adapter frame 22, thereby further adjusting the position of the workpiece 200 to be tested.

[0045] Furthermore, the clamping plate 21 is L-shaped. The main function of the clamping plate 21 is to connect the workpiece 200 to be tested (such as a drive motor) to the adapter frame 22, thus fixing it in place. First, place the workpiece 200 to be tested on the base 1, install the adapter frame 22 on the base 1, and then connect and fix the workpiece 200 to the entire fixture through the clamping plate 21. After fixing, the workpiece 200 can be connected to the testing equipment for testing.

[0046] In a preferred embodiment, in order to adapt to the L-shaped clamping plate 21, clamping parts are respectively provided on both sides of the workpiece 200 to be tested. The clamping parts are distributed on the side wall of the workpiece 200 to be tested and are used to connect with the L-shaped clamping plate 21. The connection between the clamping parts and the clamping plate 21 is a plane. That is to say, the clamping mechanism 2 clamps the workpiece 200 to be tested by the L-shaped clamping plate 21 to different clamping parts, thereby realizing the clamping and fixing of the workpiece 200 to be tested.

[0047] It should be noted that in some embodiments, the clamping plate 21 can be replaced with other shapes, such as arc-shaped or U-shaped, to adapt to different shapes of the workpiece 200 to be tested. In other words, the clamping plate 21 can be customized according to the shape of the workpiece 200 to be tested, and no specific limitation is made here.

[0048] Furthermore, in order to further improve the versatility of the test fixture and enable clamping and fixing of different types of workpieces 200 to be tested, multiple shims 3 are also set between the clamping plate 21 and the adapter frame 22, so as to adjust the distance between the two clamping plates 21 and thus meet the testing of workpieces 200 of different specifications.

[0049] Figure 3 This is a side view of the adapter 22 provided in this embodiment; Figure 4 This is a front view of the adapter 22 provided in this embodiment.

[0050] Furthermore, such as Figure 3 and Figure 4 As shown, the adapter frame 22 is T-shaped. The main function of the adapter frame 22 is to securely connect the pad 113 and the clamping plate 21, and to lock the test bracket onto the adapter frame 22, ensuring stability during testing. Taking a drive motor as an example, the drive motor is connected to the adapter frame 22 via the clamping plate 21. Since the dimensions may differ for different models of motors under test, the height of the shims 13 can be added or removed between the adapter frame 22 and the pad 113 to accommodate different motor models and solve some problems encountered during testing.

[0051] It should be noted that, as Figure 4 As shown, a protrusion 221 is provided at the corner of the T-shaped adapter 22 to improve the overall strength of the adapter 22. In this embodiment, the thickness of the protrusion 221 is configured to be 1-5mm, preferably 2mm.

[0052] Specifically, a reinforcing rib 222 is also provided on the T-shaped adapter frame 22. In this embodiment, the reinforcing rib 222 is located on the side away from the protrusion 221. In other words, the protrusion 221 and the reinforcing rib 221 are respectively located at the two corners of the T-shaped adapter frame 22, thereby improving the strength.

[0053] It should be noted that the support column 112, pad 113, clamping plate 21, adapter frame 22 and the workpiece 200 to be tested are all provided with threaded holes. Therefore, during the testing operation, bolts can be used to fit and disassemble the above-mentioned threaded holes to achieve detachable connection of different components.

[0054] The following section details the test fixture using a drive motor as an example: Figure 1 and Figure 2 As shown, the base 1 is the support for the test fixture. This structure is permanently fixed on the test equipment or other test bench, reducing the need for frequent disassembly and relocation during testing, saving manpower and test platform setup time, and improving testing efficiency. In addition, by fixing the base 1 to the adapter frame 22, for different models of motors, shims 3 of corresponding thickness can be added to the connection surface between the base 1 and the adapter frame 22 to meet the height requirements of the motor installation and keep it level with the test equipment. After fixing the adapter frame 22, the motor to be tested is connected to the entire mounting bracket fixture using the clamping plate 21 and secured with screws, thus completing the installation and setup of the test fixture and drive motor. After that, it can be sent into the test equipment for testing. Under normal circumstances, when testing different samples, only the motor clamping plate 21 and the motor adapter frame 22 need to be disassembled for easy sample replacement. It should be noted that when testing motors of the same size, the motor adapter frame 22 does not need to be disassembled.

[0055] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A test fixture, characterized in that, The device includes a base with a central space for accommodating the workpiece to be tested. The base includes at least two support mechanisms, each of which is equipped with a clamping mechanism for clamping and fixing the workpiece to be tested. A shim is provided between the support mechanisms and the clamping mechanisms to adjust the height of the clamping mechanism.

2. The test fixture according to claim 1, characterized in that, The base also includes a connecting plate, which is located on the side of the base where no support mechanism is provided, and the connecting plate can extend out of the end face frame of the base. At least one first reinforcing member is provided at the connection between the extended end of the connecting plate and the base.

3. The test fixture according to claim 2, characterized in that, There are at least two connecting plates, and the connecting plates are divided into two groups. The two groups of connecting plates are spaced apart on both sides of the base and extend out of the end face frame of the base. At least one first reinforcing member is provided at the connection between the extended end of each connecting plate and the base.

4. The test fixture according to claim 1, characterized in that, Adjacent support mechanisms are connected by crossbeams, and at least one second reinforcing member is provided at the connection between the crossbeam and the support mechanism.

5. The test fixture according to claim 1, characterized in that, The support mechanism includes at least one support column and a pad connected to the ends of multiple support columns. The pad is provided with a shim and is connected to the clamping mechanism through the shim.

6. The test fixture according to claim 5, characterized in that, At least one third reinforcing member is provided at the connection between the pad and each support column.

7. The test fixture according to claim 1, characterized in that, The clamping mechanism includes a clamping plate and an adapter frame. The adapter frame is used to connect with the support mechanism. The clamping plate is located between the workpiece to be measured and the adapter frame. Different clamping plates can clamp the workpiece to be measured and fix it on the base.

8. The test fixture according to claim 7, characterized in that, The clamping plate is L-shaped.

9. The test fixture according to claim 7, characterized in that, The adapter is T-shaped, and there are protrusions at the corners of the T-shaped adapter.

10. A testing device, characterized in that, The testing equipment includes the test fixture as described in any one of claims 1-9, and further includes a test port. The test fixture is used to hold the workpiece to be tested, and the test fixture can be fixed to the testing equipment so that the workpiece to be tested is close to the test port, thereby completing the testing operation.

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