Test board for motor

Abstract

The utility model relates to the technical field of motor testing, in particular to a test board for a motor, which comprises a support frame, a working table, a brake module, a torque sensing module, a test fixture and a fixing module, the working table is arranged on the support frame, the brake module is arranged on one side of the working table, and the torque sensing module is arranged on the other side of the working table. The testing jig is connected with the braking module through the torque sensing module, the fixing module is arranged on the workbench, the fixing module is used for fixing the fixing end of a tested motor, and the testing jig is used for being connected with the driving end of the tested motor; the testing jig can be adapted to driving ends of motors of different models, and the fixing module can firmly fix the fixing end of the tested motor, so that the stable operation of the motor in the testing process is ensured. The test process is simplified, and the test efficiency is greatly improved. Through the design thought of integration and modularization, comprehensive and accurate testing of the performance of the motor is realized.

Description

Technical Field

[0001] This utility model relates to the field of motor testing technology, and in particular to a test bench for motors. Background Technology

[0002] A brushless motor is a type of motor, also known as a brushless DC motor or an electronically controlled speed motor. Compared to traditional brushed DC motors, brushless motors do not require brushes and slip rings for commutation, thus offering higher efficiency, longer lifespan, and lower maintenance requirements. The working principle of a brushless motor is to use an electronic controller to switch the current in real time, thereby driving the motor rotor to rotate. It typically consists of a stator and a rotor. The stator contains several coils that generate a rotating magnetic field through current switching. The rotor is equipped with permanent magnets or magnetic coils, which rotate under the influence of the rotating magnetic field.

[0003] During the manufacturing process, motors require load testing. Load testing is a crucial step in evaluating motor performance and reliability. It simulates actual operating conditions by applying a predetermined load to the motor shaft to examine the motor's operating status. This test aims to ensure that the motor operates efficiently and stably within its design range, while verifying its ability to withstand load variations. Existing motor testing methods are relatively complex and cannot effectively and comprehensively test all motors. Utility Model Content

[0004] To address the aforementioned issues, this invention utilizes an integrated and modular design approach to create a test bench for motors that enables comprehensive and accurate testing of motor performance.

[0005] The technical solution adopted by this utility model is: a test bench for motors, including a support frame, a workbench, a braking module, a torque sensing module, a test fixture, and a fixing module. The workbench is mounted on the support frame, the braking module is mounted on one side of the workbench, the test fixture is connected to the braking module through the torque sensing module, the fixing module is mounted on the workbench, the fixing module is used to fix the fixed end of the motor under test, and the test fixture is used to connect to the drive end of the motor under test.

[0006] A further improvement to the above scheme is that a support column is provided at the top of the support frame, and the workbench is mounted on the support column.

[0007] A further improvement to the above solution is that a connecting bracket is provided on one side of the support frame. The connecting bracket includes a fixing frame and a connecting piece. The fixing frame is mounted on the support frame, and the connecting piece is used to connect the worktable to the fixing frame.

[0008] A further improvement to the above solution is that multiple mounting holes are evenly distributed on the worktable, and the braking module and the fixing module are both fixed to the mounting holes by screws.

[0009] A further improvement to the above solution is that the braking module includes a raised seat, a braking support seat, and a brake. The raised seat is set on the workbench, the braking support seat is set on the raised seat, and the brake is set on the braking support seat. One end of the brake is provided with a brake connecting shaft, and the brake is connected to the torque sensing module through the brake connecting shaft.

[0010] A further improvement to the above solution is that the torque sensing module includes a torque bracket, a torque sensor, a first coupling, and a second coupling. The torque bracket is mounted on the worktable, and the torque sensor is mounted on the torque bracket. The torque sensor is connected to the braking module through the first coupling and to the fixing fixture through the second coupling.

[0011] A further improvement to the above scheme is that the torque sensor is provided with a first torque connecting shaft and a second torque connecting shaft, one end of the first torque connecting shaft is connected to a first coupling, and one end of the second torque connecting shaft is connected to a second coupling.

[0012] A further improvement to the above solution is that the test fixture includes a test connecting plate and a test connecting shaft, one end of the test connecting shaft is connected to the test connecting plate and the other end is connected to the torque sensing module; the test connecting plate is provided with multiple connecting holes, and the test connecting plate is connected to the drive end of the motor under test through the connecting holes.

[0013] A further improvement to the above solution is that the fixing module includes a fixing base, a support plate, and a fixing connecting block. The fixing base is set on the workbench, the support plate is set on the fixing base, and the fixing connecting block is set on the top of the support plate. The fixing connecting block is used to fix the fixed end of the motor under test.

[0014] A further improvement to the above solution is that the fixed connecting block is provided with a fixed wiring groove and a fixed connecting hole, the fixed connecting hole being used to insert screws to connect with the fixed end of the motor under test.

[0015] The beneficial effects of this utility model are:

[0016] Compared to existing motor testing methods, this invention, through the stable combination of the support frame and the workbench, ensures the stability and load-bearing capacity of the entire testing platform, providing a solid foundation for subsequent motor testing. This structural design not only improves testing accuracy but also effectively extends the service life of the testing platform. Secondly, the braking module allows for precise control of the tested motor's speed and stopping state during testing, simulating various operating conditions under actual working conditions and providing more realistic data support for motor performance evaluation. This function is particularly important for evaluating key indicators such as motor braking performance and response speed. The torque sensing module, as a key component connecting the test fixture and the braking module, can monitor and provide feedback on torque changes generated by the motor during operation in real time and accurately. This data helps optimize motor design by analyzing the motor's power output, efficiency, and load capacity. The combined use of the test fixture and the fixing module further improves the flexibility and convenience of testing. The test fixture can be adapted to different models of motor drive ends, while the fixing module can firmly fix the fixed end of the tested motor, ensuring stable operation during testing. This not only simplifies the testing process but also greatly improves testing efficiency. This invention, through an integrated and modular design, enables comprehensive and accurate testing of motor performance. Its technical benefits are reflected in improved testing accuracy, stability, and efficiency, providing strong technical support for motor research and development, production, and quality control. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the test bench for motors according to this utility model;

[0018] Figure 2 for Figure 1 A three-dimensional schematic diagram of the test bench used by China Electric Machinery from another perspective;

[0019] Figure 3 for Figure 1 Side view of the test bench for China Electric Machinery;

[0020] Figure 4 for Figure 1 A schematic diagram of part of the structure of the test bench for electric motors.

[0021] Explanation of reference numerals in the attached drawings: Support frame 1, Support column 11, Connecting bracket 12, Fixing frame 121, Connecting piece 122, Workbench 2, Mounting hole 21, Braking module 3, Elevating seat 31, Braking support seat 32, Brake 33, Braking connecting shaft 331, Torque sensing module 4, Torque bracket 41, Torque sensor 42, First torque connecting shaft 421, Second torque connecting shaft 422, First coupling 43, Second coupling 44, Test fixture 5, Test connecting plate 51, Connecting hole 511, Test connecting shaft 52, Fixing module 6, Fixing base 61, Support plate 62, Fixing connecting block 63, Fixing wiring groove 631, Fixing connecting hole 632. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0023] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Figures 1-4As shown, in one embodiment of this utility model, a test bench for a motor is provided, including a support frame 1, a workbench 2, a braking module 3, a torque sensing module 4, a test fixture 5, and a fixing module 6. The workbench 2 is mounted on the support frame 1, the braking module 3 is mounted on one side of the workbench 2, the test fixture 5 is connected to the braking module 3 via the torque sensing module 4, and the fixing module 6 is mounted on the workbench 2. The fixing module 6 is used to fix the fixed end of the motor under test, and the test fixture 5 is used to connect the drive end of the motor under test. This embodiment ensures the stability and load-bearing capacity of the entire test platform through the stable combination of the support frame 1 and the workbench 2, providing a solid foundation for subsequent motor testing. This structural design not only improves the accuracy of the test but also effectively extends the service life of the test bench. Secondly, the setting of the braking module 3 allows for precise control of the speed and stopping state of the motor under test during the test, thereby simulating various operating states under actual working conditions and providing more realistic data support for motor performance evaluation. This function is particularly important for evaluating key indicators such as the braking performance and response speed of the motor. The torque sensing module 4, as a key component connecting the test fixture 5 and the braking module 3, can monitor and provide real-time, accurate feedback on torque changes generated by the motor during operation. This data helps optimize motor design by analyzing the motor's power output, efficiency, and load capacity. The combined use of the test fixture 5 and the fixing module 6 further enhances the flexibility and convenience of the test. The test fixture 5 can be adapted to different types of motor drive ends, while the fixing module 6 firmly secures the fixed end of the motor under test, ensuring stable operation during the test. This not only simplifies the testing process but also significantly improves testing efficiency. This embodiment, through an integrated and modular design approach, achieves comprehensive and accurate testing of motor performance. Its technical effects are reflected in improved testing accuracy, stability, and efficiency, providing strong technical support for motor research and development, production, and quality control.

[0025] A support column 11 is provided at the top of the support frame 1, and the worktable 2 is mounted on the support column 11. Specifically, a connecting bracket 12 is provided on one side of the support frame 1. The connecting bracket 12 includes a fixing frame 121 and a connecting piece 122. The fixing frame 121 is mounted on the support frame 1, and the connecting piece 122 is used to connect the worktable 2 to the fixing frame 121. In this embodiment, the support column 11 at the top of the support frame 1 ensures the height stability and load-bearing capacity of the worktable 2. This allows the worktable 2 to remain level and not easily shake during motor testing, thereby improving the accuracy and reliability of the test. Secondly, the connecting bracket 12 enhances the connection stability between the worktable 2 and the support frame 1. The fixing frame 121 is firmly installed on the support frame 1, providing a solid support foundation for the connecting piece 122. The connecting piece 122 achieves a tight connection between the worktable 2 and the fixing frame 121, effectively avoiding possible displacement or loosening during the test.

[0026] The workbench 2 has multiple mounting holes 21 evenly distributed on it, and both the braking module 3 and the fixing module 6 are fixed to the mounting holes 21 with screws. In this embodiment, the braking module 3 and the fixing module 6 can be precisely fixed to the mounting holes 21 with screws, thereby ensuring the stability and accuracy of each component during the test. Due to the uniform distribution of the mounting holes 21, the braking module 3 and the fixing module 6 can be flexibly installed in the required positions to adapt to the testing needs of motors of different sizes and types. In addition, fixing with screws is not only simple to operate, but also provides reliable connection strength, effectively preventing loosening or displacement that may occur during the test.

[0027] The braking module 3 includes a raised base 31, a brake support base 32, and a brake 33. The raised base 31 is mounted on the workbench 2, the brake support base 32 is mounted on the raised base 31, and the brake 33 is mounted on the brake support base 32. One end of the brake 33 is provided with a brake connecting shaft 331, and the brake 33 is connected to the torque sensing module 4 through the brake connecting shaft 331. In this embodiment, by integrating key components such as the raised base 31, the brake support base 32, and the brake 33, precise control and evaluation of motor performance are achieved. The raised base 31 not only stabilizes the position of the braking module 3 on the workbench 2 but also ensures the stability and accuracy of force transmission during braking. The brake support base 32 further enhances the installation strength of the brake 33, enabling it to maintain excellent braking performance even in high-speed, high-load motor testing environments. As the core component of the module, the brake 33 is tightly connected to the torque sensing module 4 through its built-in brake connecting shaft 331. This design enables the brake 33 to provide real-time and accurate torque information to the testing system during braking, thereby achieving precise measurement and monitoring of the motor's output torque.

[0028] The torque sensing module 4 includes a torque bracket 41, a torque sensor 42, a first coupling 43, and a second coupling 44. The torque bracket 41 is mounted on the worktable 2, and the torque sensor 42 is mounted on the torque bracket 41. The torque sensor 42 is connected to the braking module 3 via the first coupling 43 and to a fixing fixture via the second coupling 44. Specifically, the torque sensor 42 has a first torque connecting shaft 421 and a second torque connecting shaft 422. One end of the first torque connecting shaft 421 is connected to the first coupling 43, and one end of the second torque connecting shaft 422 is connected to the second coupling 44. In this embodiment, the torque bracket 41 is stably mounted on the worktable 2, providing a stable support platform for the torque sensor 42. As the core component of the module, the torque sensor 42, through high-precision measurement technology, can capture the torque changes generated by the motor during operation in real time. Meanwhile, the ingenious use of the first coupling 43 and the second coupling 44 ensures an effective connection between the torque sensor 42, the brake module 3, and the fixing fixture, thereby achieving accurate torque transmission and measurement. In specific applications, the first torque connecting shaft 421 of the torque sensor 42 is tightly connected to the first coupling 43, ensuring that the torque generated by the brake module 3 can be accurately transmitted to the sensor; while the connection between the second torque connecting shaft 422 and the second coupling 44 allows the torque borne by the fixing fixture to be accurately measured as well. This design not only improves the accuracy of the test but also enhances its stability and reliability.

[0029] The test fixture 5 includes a test connection plate 51 and a test connection shaft 52. One end of the test connection shaft 52 is connected to the test connection plate 51, and the other end is connected to the torque sensing module 4. The test connection plate 51 is provided with multiple connection holes 511, and the test connection plate 51 is connected to the drive end of the motor under test through the connection holes 511. In this embodiment, the design of the test connection shaft 52 ensures accurate transmission between the test signal and the torque sensing module 4. One end is tightly connected to the test connection plate 51, and the other end is connected to the torque sensing module 4. This layout not only simplifies the testing process but also improves the accuracy of the test. Through the test connection shaft 52, the torque sensing module 4 can capture the torque changes generated by the motor under test during the driving process in real time, providing a reliable basis for subsequent data analysis. Secondly, the multiple connection holes 511 provided on the test connection plate 51 enable the test fixture 5 to achieve a flexible and stable connection with the drive end of the motor under test. This not only enhances the versatility of the test but also ensures the firmness of the connection during the test, avoiding test errors caused by unstable connections.

[0030] The fixed module 6 includes a fixed base 61, a support plate 62, and a fixed connecting block 63. The fixed base 61 is mounted on the workbench 2, the support plate 62 is mounted on the fixed base 61, and the fixed connecting block 63 is located at the top of the support plate 62. The fixed connecting block 63 is used to fix and connect the fixed end of the motor under test. Specifically, the fixed connecting block 63 is provided with a fixed wiring groove 631 and a fixed connection hole 632. The fixed connection hole 632 is used to insert screws to connect with the fixed end of the motor under test. In this embodiment, the fixed base 61 is stably mounted on the workbench 2, providing a solid foundation for the entire module and ensuring stability and safety during the testing process. The support plate 62 is cleverly installed on the fixed base 61, which not only effectively distributes the weight of the motor under test but also optimizes the structural layout of the module, making it more compact and easier to operate. The fixed connecting block 63, as a key component for connecting the fixed end of the motor under test, is particularly finely designed. The installation of the fixed wiring channel 631 effectively standardizes the routing of the motor wiring, avoiding interference and safety hazards that may be caused by messy wiring. Meanwhile, the configuration of the fixed connection hole 632 allows the motor under test to be easily and quickly fixed with screws, improving installation efficiency and ensuring the strength and reliability of the connection.

[0031] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A test bench for an electric motor, characterized in that: The device includes a support frame, a worktable, a braking module, a torque sensing module, a test fixture, and a fixing module. The worktable is mounted on the support frame, the braking module is mounted on one side of the worktable, the test fixture is connected to the braking module via the torque sensing module, and the fixing module is mounted on the worktable. The fixing module is used to fix the fixed end of the motor under test, and the test fixture is used to connect to the drive end of the motor under test.

2. The test bench for motors according to claim 1, characterized in that: The top of the support frame is provided with a support column, and the workbench is set on the support column.

3. The test bench for motors according to claim 1, characterized in that: A connecting bracket is provided on one side of the support frame. The connecting bracket includes a fixed frame and a connecting piece. The fixed frame is mounted on the support frame, and the connecting piece is used to connect the worktable to the fixed frame.

4. The test bench for motors according to claim 1, characterized in that: The workbench is provided with multiple mounting holes, and the braking module and the fixing module are both fixed to the mounting holes by screws.

5. The test bench for motors according to claim 1, characterized in that: The braking module includes a raised seat, a brake support seat, and a brake. The raised seat is set on the workbench, the brake support seat is set on the raised seat, and the brake is set on the brake support seat. One end of the brake is provided with a brake connecting shaft, and the brake is connected to the torque sensing module through the brake connecting shaft.

6. The test bench for motors according to claim 1, characterized in that: The torque sensing module includes a torque bracket, a torque sensor, a first coupling, and a second coupling. The torque bracket is mounted on a workbench, and the torque sensor is mounted on the torque bracket. The torque sensor is connected to the braking module via the first coupling and to a fixing fixture via the second coupling.

7. The test bench for motors according to claim 6, characterized in that: The torque sensor is provided with a first torque connecting shaft and a second torque connecting shaft. One end of the first torque connecting shaft is connected to a first coupling, and one end of the second torque connecting shaft is connected to a second coupling.

8. The test bench for motors according to claim 1, characterized in that: The test fixture includes a test connecting plate and a test connecting shaft. One end of the test connecting shaft is connected to the test connecting plate, and the other end is connected to the torque sensing module. The test connecting plate is provided with multiple connecting holes, and the test connecting plate is connected to the drive end of the motor under test through the connecting holes.

9. The test bench for motors according to claim 1, characterized in that: The fixed module includes a fixed base, a support plate, and a fixed connecting block. The fixed base is set on the workbench, the support plate is set on the fixed base, and the fixed connecting block is set on the top of the support plate. The fixed connecting block is used to fix the fixed end of the motor under test.

10. The test bench for motors according to claim 9, characterized in that: The fixed connection block is provided with a fixed wiring groove and a fixed connection hole. The fixed connection hole is used to insert screws to connect with the fixed end of the motor under test.

Images