Device for detecting torque of motor
By designing a motor torque detection device that includes a torque sensor, a torque bar, and a torque adjustment disc, the problem of the high cost and complexity of existing equipment is solved, and low-cost and high-efficiency motor torque detection is achieved.
Patent Information
- Application Number
- CN202422941483.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-30
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-30
AI Technical Summary
In the existing technology, motor torque testing equipment is expensive and complex, making it difficult to quickly and conveniently perform torque testing on various types of motors in the factory, and it is also difficult to maintain.
A detection device comprising a torque sensor, a torque bar, a torque adjustment disc, and a table frame was designed. The servo motor and the torque sensor are connected by a coupling, and the torque bar length is adjusted by the torque adjustment disc to achieve torque detection.
This invention enables motor torque detection with a simple structure and low cost, improving detection efficiency and saving time and money.
Smart Images

Figure CN223538434U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of motor torque detection, specifically a device for detecting motor torque. Background Technology
[0002] Motor torque, as the most fundamental and crucial parameter for motor performance, must be calculated during the initial design phase and measured after manufacturing. This is especially true for servo motors, which are a type of motor. Currently, servo motor torque testing primarily involves purchasing a dedicated torque test bench. However, due to the wide range of motor torques and the limited space in factory testing areas, coupled with the need for specialized personnel to learn how to use each new torque test bench, the time cost is significant and unsuitable for testing the torque of various motor types. Furthermore, existing servo motor torque testers on the market are complex in structure, expensive, and difficult to maintain. Therefore, there is a need to design a torque testing bench that is fast, convenient, simple in structure, and accurate. Utility Model Content
[0003] The purpose of this invention is to provide a device for detecting motor torque, including a torque sensor, a torque bar, a torque adjustment disc, and a table frame.
[0004] The table frame is sequentially fixed with mounting base plate I, torque sensor mounting base, mounting base plate II, and torque adjustment disc.
[0005] The mounting base plate I and mounting base plate II have through holes on their surfaces that penetrate both sides.
[0006] A servo motor is provided within the through hole of the mounting base plate I.
[0007] Let the two ends of the torsion bar be labeled as end A and end B.
[0008] The through hole of the mounting base plate II is connected to end A of the torsion bar.
[0009] The B end of the torsion bar is fixed on the torque adjustment disc.
[0010] The torque adjustment disc is located at the end furthest from the mounting base plate II.
[0011] The torque sensor is mounted on the torque sensor mounting base.
[0012] The input shaft of the torque sensor is connected to the servo motor, and the output shaft is connected to end A of the torque bar.
[0013] Furthermore, the axis of the through hole on the mounting base plate I and the axis of the through hole on the mounting base plate II are located on the same straight line.
[0014] Furthermore, the servo motor is connected to the mounting base plate I via a servo motor mounting fixture.
[0015] Furthermore, the input shaft of the torque sensor is connected to the drive shaft of the servo mounting fixture via a coupling.
[0016] Furthermore, the output shaft of the torque sensor is connected to the torque bar via a coupling.
[0017] Furthermore, the torque sensor is connected to a computer.
[0018] Furthermore, the length of the torsion bar is adjustable during use.
[0019] The technical effects of this utility model are undeniable, and its beneficial effects are as follows:
[0020] This utility model device has a simple structure, is easy to operate, and has low manufacturing cost. It can be used for most servo motor torque detection, saving money and time costs and improving detection efficiency. Attached Figure Description
[0021] Figure 1 This is a schematic diagram (front view) of the torque testing platform device;
[0022] Figure 2 This is a schematic diagram (top view) of the torque testing platform.
[0023] In the diagram: 1. Servo motor; 2. Servo motor mounting fixture; 3. Torque sensor; 4. Torque bar; 5. Adjustment disc; 6. Table frame; 6. Torque sensor mounting base; 601. Mounting base plate I; 602. Mounting base plate II; 603. Torque adjustment disc; 604. Detailed Implementation
[0024] The present invention will be further described below with reference to embodiments, but it should not be construed as the scope of the present invention being limited to the following embodiments. Various substitutions and modifications made based on ordinary technical knowledge and conventional methods in the art without departing from the above-described technical concept of the present invention should be included within the protection scope of the present invention.
[0025] Example 1:
[0026] A device for detecting motor torque includes a torque sensor 3, a torque bar 4, a torque adjustment disc 604, and a table frame 6.
[0027] The table frame 6 is sequentially fixed with mounting base plate I602, torque sensor mounting base 601, mounting base plate II603, and torque adjustment disc 604.
[0028] The mounting base plate I602 and mounting base plate II603 have through holes on their surfaces that penetrate both sides of the plate.
[0029] A servo motor 1 is provided within the through hole of the mounting base plate I602.
[0030] Let the two ends of the torsion bar 4 be labeled as end A and end B.
[0031] The through hole of the mounting base plate II603 is connected to end A of the torsion bar 4.
[0032] The B end of the torsion bar 4 is fixed on the torque adjustment disc 604.
[0033] The adjustment disc 5 of the torque adjustment disc 604 is located at the end away from the mounting base plate II603.
[0034] Torque sensor 3 is mounted on the torque sensor mounting base 601.
[0035] The input shaft of the torque sensor 3 is connected to the servo motor 1, and the output shaft is connected to end A of the torque bar 4.
[0036] The torque lever 4 is adjusted to a suitable torque value by manually rotating the adjustment disc 5 of the torque adjustment disc 604, and then the servo motor 1 is started to perform a torque test, so that the torque of the servo motor 1 is transmitted to the torque sensor 3 through the torque lever 4.
[0037] Example 2:
[0038] The main structure of this embodiment is the same as that of embodiment 1. Furthermore, the axis of the through hole on the mounting base plate I602 and the axis of the through hole on the mounting base plate II603 are located on the same straight line.
[0039] Example 3:
[0040] The main structure of this embodiment is the same as any one of embodiments 1 to 2. Furthermore, the servo motor 1 and the mounting base plate I602 are connected by the servo motor mounting fixture 2.
[0041] Example 4:
[0042] The main structure of this embodiment is the same as that of embodiment 3. Furthermore, the input shaft of the torque sensor 3 is connected to the drive shaft of the servo motor mounting fixture 2 via a coupling.
[0043] Example 5:
[0044] The main structure of this embodiment is the same as any one of embodiments 1 to 4. Furthermore, the output shaft of the torque sensor 3 is connected to the torque rod 4 via a coupling.
[0045] Example 6:
[0046] The main structure of this embodiment is the same as any one of embodiments 1 to 5. Furthermore, the torque sensor 3 is connected to the computer. The torque of the servo motor 1 is transmitted to the torque sensor 3 through the torque rod 4, and then transmitted to the computer through the torque sensor 3 to obtain the torque data of the servo motor 1.
[0047] Example 7:
[0048] The main structure of this embodiment is the same as any one of embodiments 1 to 6. Furthermore, the length of the torsion bar 4 can be changed in the use state.
[0049] The torque is changed by altering the length of the torsion bar 4.
[0050] Example 8:
[0051] A method of using a device for detecting motor torque based on any one of embodiments 1 to 7 includes the following steps:
[0052] 1) Place the torque sensor 3 on the torque sensor mounting base 601 and connect it to the computer so that the computer can monitor the magnitude of torque changes;
[0053] 2) Install the servo motor 1 on the servo motor mounting fixture 2, and then fix the servo motor mounting fixture 2 with the servo motor 1 on the through hole of the torque sensor mounting base 601, so that the drive shaft of the servo motor mounting fixture 2 is connected to the input end of the torque sensor 3 through a coupling.
[0054] 3) Pass the A end of the torsion bar 4 through the through hole on the mounting base plate II603 and connect it to the output end of the torque sensor 3 via a coupling. The B end of the torsion bar 4 is fixed on the torque adjustment plate 604.
[0055] 4) Manually rotate the adjustment disc 5 of the torque adjustment disc 604 to adjust the position of the torque rod 4 so that the torque on the torque rod 4 reaches the specified value. Then start the servo motor 1 to perform torque test. The torque of the servo motor 1 will be transmitted to the torque sensor 3 through the torque rod 4, and then transmitted to the computer by the torque sensor to obtain the torque data.
[0056] Example 9:
[0057] The main structure of this embodiment is the same as any one of embodiments 1 to 8. Furthermore, the torque detection platform mainly consists of a torque bar 4, a table frame 6, a torque sensor 3, a servo motor mounting fixture 2, a torque adjustment disc 604, etc.
[0058] First, connect the computer to the torque sensor 3 so that the computer can monitor the change in torque. Then, install the servo motor 1 on the servo motor mounting fixture 2. Adjust the torque rod 4 by manually rotating the adjustment disc 5 to achieve the appropriate torque. Start the servo motor to perform a torque test. The servo motor torque is transmitted to the torque sensor 3 through the torque rod 4, and the torque sensor transmits the data to the computer to obtain the torque data.
[0059] Example 10:
[0060] The main structure of this embodiment is the same as any one of embodiments 1 to 9. Furthermore, the torque can be changed simply by changing the length of the torsion bar.
Claims
1. A device for detecting motor torque, characterized in that: Includes a torque sensor (3), a torque bar (4), a torque adjustment disc (604), and a table frame (6); The table frame (6) is sequentially fixed with mounting base plate I (602), torque sensor mounting base (601), mounting base plate II (603) and torque adjustment plate (604); The mounting base plate I (602) and mounting base plate II (603) have through holes on their surfaces that penetrate both sides of the plate. A servo motor (1) is provided in the through hole of the mounting base plate I (602); Let the two ends of the torsion bar (4) be labeled as end A and end B; The through hole of the mounting base plate II (603) is connected to end A of the torsion bar (4); The B end of the torsion bar (4) is fixed on the torque adjustment disc (604); The adjustment disc (5) of the torque adjustment disc (604) is located at one end away from the mounting base plate II (603); A torque sensor (3) is mounted on the torque sensor mounting base (601); The input shaft of the torque sensor (3) is connected to the servo motor (1), and the output shaft is connected to end A of the torque bar (4).
2. The device for detecting motor torque according to claim 1, characterized in that: The axis of the through hole on the mounting base plate I (602) and the axis of the through hole on the mounting base plate II (603) are on the same straight line.
3. The device for detecting motor torque according to claim 1, characterized in that: The servo motor (1) is connected to the mounting base plate I (602) via the servo motor mounting fixture (2).
4. The device for detecting motor torque according to claim 3, characterized in that: The input shaft of the torque sensor (3) is connected to the drive shaft of the servo mounting fixture (2) via a coupling.
5. The device for detecting motor torque according to claim 1, characterized in that: The output shaft of the torque sensor (3) is connected to the torque bar (4) via a coupling.
6. The device for detecting motor torque according to claim 1, characterized in that: The torque sensor (3) is connected to the computer.
7. The device for detecting motor torque according to claim 1, characterized in that: When in use, the length of the torsion bar (4) is adjustable.