Motor loading torque testing device

Abstract

The utility model belongs to the technical field of motor testing, and relates to a motor load torque testing device, which comprises a workbench, a motor mounting seat and a load mounting seat are arranged on the workbench, a motor to be tested is mounted on the motor mounting seat, a load to be loaded is mounted on the load mounting seat, and the load comprises a brake and a brake pad. The brake is in friction connection with the brake pad and generates a torque load, the brake pad is in transmission connection with the load shaft and is driven by the load shaft to rotate, and the load shaft is in transmission connection with the motor shaft and is driven by the motor shaft to rotate. The motor loading torque testing device provided by the utility model has the advantages of being simple to manufacture and operate, low in cost and wide in application scene.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor testing and relates to a motor load torque testing device. Background Art

[0002] When testing a motor, a load torque test is required. Existing load torque tests require the use of professional instruments, which are generally expensive, cumbersome to operate, and have a high threshold for use. For some factories, they are limited by test equipment and testers and do not have the testing conditions. The motor needs to be sent to a professional testing agency for testing, which is not only time-consuming and labor-intensive, but also costly. Therefore, it is very necessary to develop a simple motor load torque test device for simple motor loading torque testing. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a motor load torque testing device, which has the advantages of simple manufacture, easy operation, low cost and wide application scenarios.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions:

[0005] A motor load torque test device comprises a workbench, on which a motor mounting seat and a load mounting seat are provided, a motor to be tested is mounted on the motor mounting seat, a load to be loaded is mounted on the load mounting seat, the load comprises a brake and a brake pad, the brake is frictionally connected to the brake pad and generates a torque load, the brake pad is transmission-connected to a load shaft and driven to rotate by the load shaft, and the load shaft is transmission-connected to a motor shaft and driven to rotate by the motor shaft.

[0006] In the above-mentioned motor load torque test device, the brake, brake pad, load shaft and motor shaft are coaxially arranged, the load shaft and the motor shaft are connected through a coupling, and the brake pad is sleeved on the load shaft. Preferably, a gap is left between the ends of the load shaft and the motor shaft.

[0007] In the above-mentioned motor load torque testing device, the load shaft and the motor shaft are respectively connected to the coupling through a flat key, a spline sleeve is provided on the load shaft through a flat key sleeve, a retaining ring is provided at the end of the load shaft for axially fixing the spline sleeve, and the spline sleeve is connected to the brake pad through a spline transmission.

[0008] In the above-mentioned motor load torque testing device, a brake base is fixed on the load mounting seat, the brake is fixedly connected to the brake base through a plurality of fasteners, and the brake pad is arranged between the brake and the brake base.

[0009] In the above-mentioned motor load torque testing device, a bearing seat is arranged in the brake base, a bearing is arranged in the bearing seat, and the load shaft is assembled in the bearing.

[0010] In the above-mentioned motor plus load torque test device, the motor mounting seat and the load mounting seat are both L-shaped seats, including a horizontal part and a vertical part, the horizontal part of which is fixedly connected to the workbench, and the vertical part is used to mount the motor and the load respectively. Preferably, the horizontal parts of the motor mounting seat and the load mounting seat are both arranged to face outward.

[0011] In the above-mentioned motor load torque test device, the motor is mounted on the outside of the motor mounting seat by a plurality of fasteners, the motor mounting seat is provided with a through hole for the motor shaft to pass through, and the load is mounted on the outside of the load mounting seat by a plurality of fasteners, the load mounting seat is provided with a through hole for the load shaft to pass through. Preferably, the motor and the load are mounted on the motor mounting seat and the load mounting seat respectively by flange surfaces and fastening bolts.

[0012] In the above-mentioned motor load torque test device, the vertical parts of the motor mounting seat and the load mounting seat are connected and fixed by a plurality of horizontally distributed support rods. Preferably, two support rods are provided and symmetrically distributed on the left and right sides.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model provides a motor load torque test device, which uses a brake and a brake pad as a motor load. By connecting the load shaft to the motor shaft and the load shaft to the brake pad, the motor will drive the brake pad to rotate at the same time when the motor is working, and generate a torque load by friction with the brake. The motor speed is detected to complete the motor load torque test device. In addition, the utility model can also conveniently adjust the size of the load torque by changing the parameters of the brake. The motor load torque test device provided by the utility model has the advantages of simple manufacture, easy operation, low cost, and a wide range of application scenarios. It can meet the needs of simple motor loading torque testing in factories. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is an axial cross-sectional view of the utility model;

[0017] Figure 3 This is the installation structure diagram of the load of the utility model;

[0018] Figure numerals: 1. workbench; 2. motor mounting seat; 3. load mounting seat; 4. motor; 5. load; 6. brake; 7. brake pad; 8. load shaft; 9. motor shaft; 10. coupling; 11. spline sleeve; 12. retaining ring; 13. brake base; 14. fastener; 15. bearing seat; 16. bearing; 17. support rod. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the accompanying drawings. Figure 1-3 :

[0020] A motor load torque testing device comprises a workbench 1, on which a motor mounting seat 2 and a load mounting seat 3 are provided, a motor 4 to be tested is mounted on the motor mounting seat 2, a load 5 to be loaded is mounted on the load mounting seat 3, the load 5 comprises a brake 6 and a brake pad 7, the brake 6 is frictionally connected to the brake pad 7 and generates a torque load, the brake pad 7 is transmission-connected to a load shaft 8 and driven to rotate by the load shaft 8, and the load shaft 8 is transmission-connected to a motor shaft 9 and driven to rotate by the motor shaft 9.

[0021] When working, refer to the attached Figure 1 , install the motor 4 to be tested on the motor mounting seat 2, install the load 5 to be loaded on the load mounting seat 3, and make the brake pad 7 drive connected with the load shaft 8, and the load shaft 8 drive connected with the motor shaft 9. Then start the motor 4, the motor shaft 9 of the motor 4 drives the load shaft 8, and the load shaft 8 further drives the brake pad 7 to rotate, and the friction between the brake pad 7 and the brake 6 (the brake 6 adopts a conventional brake 6, and the friction part of the brake 6 is generally a brake disc on the inner side of the brake 6) generates a torque load, and the running state of the motor 4 is detected to complete the test. When necessary, the parameters of the brake 6 can also be changed to adjust the size of the friction force to change the torque load generated.

[0022] Compare with Figure 2 The brake 6, brake pad 7, load shaft 8 and motor shaft 9 are coaxially arranged, the load shaft 8 and motor shaft 9 are connected through a coupling 10, and the brake pad 7 is sleeved on the load shaft 8. Preferably, a gap is left between the ends of the load shaft 8 and the motor shaft 9.

[0023] In this embodiment, each transmission connection structure is: the load shaft 8 and the motor shaft 9 are respectively connected to the coupling 10 through a flat key, the load shaft 8 is provided with a spline sleeve 11 through a flat key sleeve, and the end of the load shaft 8 is provided with a retaining ring 12 for axially fixing the spline sleeve 11, and the spline sleeve 11 is connected to the brake pad 7 through a spline transmission.

[0024] Compare with Figure 3In this embodiment, the specific installation structure of the load 5 is: a brake base 13 is fixed on the load mounting seat 3, the brake 6 is fixedly connected to the brake base 13 through a plurality of fasteners 14, and the brake pad 7 is arranged between the brake 6 and the brake base 13.

[0025] In order to make the load shaft 8 rotate more stably, a bearing seat 15 is provided in the brake base 13 , a bearing 16 is provided in the bearing seat 15 , and the load shaft 8 is assembled in the bearing 16 .

[0026] In this embodiment, the specific installation structure of the motor 4 and the load 5 is: the motor mounting seat 2 and the load mounting seat 3 are both L-shaped seats, including a horizontal part and a vertical part, the horizontal part of which is fixedly connected to the workbench 1, and the vertical part is respectively installed with the motor 4 and the load 5. Preferably, the horizontal parts of the motor mounting seat 2 and the load mounting seat 3 are both arranged toward the outside.

[0027] Further, the motor 4 is mounted on the outside of the motor mounting seat 2 through a plurality of fasteners 14, and the motor 4 is provided with a through hole for the motor shaft 9 to pass through, and the load 5 is mounted on the outside of the load mounting seat 3 through a plurality of fasteners 14, and the load mounting seat 3 is provided with a through hole for the load shaft 8 to pass through. Preferably, the motor 4 and the load 5 are respectively mounted on the motor mounting seat 2 and the load mounting seat 3 through flange surfaces and fastening bolts.

[0028] In order to increase the stability of the motor mounting seat 2 and the load mounting seat 3, the vertical parts of the motor mounting seat 2 and the load mounting seat 3 are connected and fixed by a plurality of horizontally distributed support rods 17. Preferably, two support rods 17 are provided and symmetrically distributed on the left and right sides.

[0029] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor load torque test device, comprising a workbench (1), characterized in that: The workbench (1) is provided with a motor mounting seat (2) and a load mounting seat (3); a motor (4) to be tested is mounted on the motor mounting seat (2); a load (5) to be loaded is mounted on the load mounting seat (3); the load (5) comprises a brake (6) and a brake pad (7); the brake (6) is frictionally connected to the brake pad (7) and generates a torque load; the brake pad (7) is transmission-connected to a load shaft (8) and driven to rotate by the load shaft (8); the load shaft (8) is transmission-connected to a motor shaft (9) and driven to rotate by the motor shaft (9).

2. A motor load torque testing device according to claim 1, characterized in that: The brake (6), brake pad (7), load shaft (8) and motor shaft (9) are coaxially arranged; the load shaft (8) and the motor shaft (9) are connected via a coupling (10); and the brake pad (7) is sleeved on the load shaft (8).

3. A motor load torque testing device according to claim 2, characterized in that: The load shaft (8) and the motor shaft (9) are respectively connected to the coupling (10) through a flat key, a spline sleeve (11) is mounted on the load shaft (8) through a flat key sleeve, a retaining ring (12) is arranged at the end of the load shaft (8) for axially fixing the spline sleeve (11), and the spline sleeve (11) is connected to the brake pad (7) through a spline transmission.

4. The motor load torque testing device according to claim 1, characterized in that: A brake base (13) is fixed on the load mounting seat (3), the brake (6) is fixedly connected to the brake base (13) via a plurality of fasteners (14), and the brake pad (7) is arranged between the brake (6) and the brake base (13).

5. A motor load torque testing device according to claim 4, characterized in that: A bearing seat (15) is arranged in the brake base (13), a bearing (16) is arranged in the bearing seat (15), and the load shaft (8) is assembled in the bearing (16).

6. The motor load torque testing device according to claim 1, characterized in that: The motor mounting seat (2) and the load mounting seat (3) are both L-shaped seats, including a horizontal part and a vertical part, wherein the horizontal part is fixedly connected to the workbench (1), and the motor (4) and the load (5) are respectively mounted on the vertical part.

7. A motor load torque testing device according to claim 6, characterized in that: The motor (4) is mounted on the outside of a motor mounting seat (2) via a plurality of fasteners (14); the motor mounting seat (2) is provided with a through hole through which a motor shaft (9) passes; the load (5) is mounted on the outside of a load mounting seat (3) via a plurality of fasteners (14); the load mounting seat (3) is provided with a through hole through which a load shaft (8) passes.

8. The motor load torque testing device according to claim 6, characterized in that: The vertical parts of the motor mounting seat (2) and the load mounting seat (3) are connected and fixed via a plurality of horizontally distributed support rods (17).

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