EMC (Electro Magnetic Compatibility) on-load testing device for automobile driving motor

Abstract

The utility model relates to the technical field of driving motor testing, and discloses an automobile driving motor EMC on-load testing device which comprises a testboard, a sliding groove is formed in the top end of the testboard, a motor is fixedly installed at the side end of the sliding groove, a threaded rod is fixedly installed on an output shaft of the motor, a sliding block is sleeved on the outer wall of the threaded rod in a threaded mode, and a placing plate is fixedly installed at the top end of the sliding block. A stand column is installed at the top end of the placement plate, first air cylinders are symmetrically installed at the side ends of the stand column, fixing rings are fixedly installed at one side ends of the air cylinders, a driving motor is installed at the top end of the placement plate, a first rotating shaft is fixedly installed on an output shaft of the driving motor, and a first gear is fixedly installed on the outer wall of the first rotating shaft. A gear II is fixedly mounted on the outer wall of the rotating shaft II. According to the EMC on-load testing device for the automobile driving motor, by arranging the motor, the threaded rod, the sliding block, the first gear and the second gear, the driving motor can be replaced conveniently, and therefore the working efficiency of the device body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drive motor testing, in particular to an EMC load testing device for an automobile drive motor. Background Art

[0002] Electromagnetic compatibility (EMC) refers to the ability of a device or system to operate in accordance with requirements in its electromagnetic environment and not generate intolerable electromagnetic interference to any device in the environment. Therefore, EMC includes two requirements: on the one hand, the electromagnetic interference generated by the equipment to the environment during normal operation cannot exceed a certain limit; on the other hand, the equipment has a certain degree of immunity to the electromagnetic interference in the environment, that is, electromagnetic sensitivity. The motor needs to undergo EMC load testing during the manufacturing and development process.

[0003] According to the search, Chinese patent document, authorization announcement number CN219105111U, discloses an automotive drive motor EMC load test device, in which a first fixing plate and a second fixing plate are installed on the upper side of one end of the test bench, and a positioning clamp is installed on one side of the first fixing plate and the second fixing plate, so that the first hydraulic cylinder drives the second fixing plate to press against one side of the first fixing plate, so that the two sides of the test motor can be clamped and positioned, with high positioning stability, convenient and quick disassembly and assembly, which is conducive to improving the efficiency of the test. However, the device can only test one group of drive motors at a time. When the drive motor needs to be replaced, it is time-consuming and reduces the working efficiency of the device. Therefore, it is necessary to improve the existing device to meet actual needs. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an automotive drive motor EMC load testing device, which has the advantages of facilitating the replacement of the drive motor, thereby improving work efficiency, etc., and solves the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an EMC load testing device for an automobile drive motor, comprising a test bench, a slide groove is provided at the top of the test bench, a motor is fixedly installed at the side end of the slide groove, a threaded rod is fixedly installed at the output shaft of the motor, a sliding block is provided with a threaded sleeve on the outer wall of the threaded rod, a placement plate is fixedly installed at the top of the sliding block, a column is installed at the top of the placement plate, a cylinder 1 is symmetrically installed at the side end of the column, a fixing ring is fixedly installed at one side end of the cylinder, a drive motor is installed at the top of the placement plate, a rotating shaft 1 is fixedly installed at the output shaft of the drive motor, a gear 1 is fixedly installed on the outer wall of the rotating shaft 1, a side plate is fixedly installed at the top of the test bench, a rotating shaft 2 is rotatably installed at the side end of the side plate, a gear 2 is fixedly installed on the outer wall of the rotating shaft 2, a pulley is fixedly installed on the side end of the rotating shaft 2, and an adjustment component is installed at the top of the test bench.

[0008] Preferably, the top cover of the test bench is provided with a shielding cover.

[0009] Through the above technical solution, by setting up a shielding cover, a good anti-electromagnetic effect can be achieved, thereby improving the accuracy of the test data.

[0010] Preferably, a shock-absorbing pad is installed on the top of the placement plate.

[0011] Through the above technical solution, by providing a shock-absorbing pad, the vibration generated when the driving motor is working can be reduced.

[0012] Preferably, a rubber pad is fixedly mounted on the inner wall of the fixing ring.

[0013] Through the above technical solution, by providing the rubber pad, the clamping wear on the drive motor can be reduced.

[0014] Preferably, the gear one and the gear two are meshed.

[0015] Through the above technical solution, gear one and gear two are meshed, so that the rotation of gear one drives gear two to rotate.

[0016] Preferably, the adjustment assembly includes a second cylinder, a moving block and a load shaft. The moving block is fixedly mounted on the second side end of the cylinder, and the load shaft is rotatably mounted on the top end through a support seat.

[0017] Through the above technical solution, by starting cylinder 2, cylinder 2 drives the moving block to move, and the movement of the moving block drives the load shaft to move.

[0018] Preferably, a pulley is fixedly mounted on the side end of the load shaft.

[0019] Through the above technical solution, the two sets of pulleys are connected by belts.

[0020] Compared with the prior art, the utility model provides an EMC load test device for automobile drive motor, which has the following beneficial effects:

[0021] 1. The utility model places the driving motor on the top of the placing plate, and then starts the cylinder one, which drives the fixing ring to move toward the outer wall of the driving motor until the driving motor is fixed between the two sets of fixing rings, thereby improving the stability of the driving motor. The cylinder two is started, which drives the moving block to move, and the movement of the moving block drives the load shaft to move, thereby adjusting the tightness of the belt.

[0022] 2. The utility model starts the motor, the motor drives the threaded rod to rotate, the rotation of the threaded rod drives the slider to move, the movement of the slider drives the placement plate to move, the movement of the placement plate drives the drive motor to move, until the gear one on the outer wall of the rotating shaft one is moved to mesh with the gear two on the outer wall of the rotating shaft two, thereby starting the drive motor, the drive motor drives the rotating shaft one to rotate, the rotation of the rotating shaft one drives the gear one to rotate, the rotation of the gear one drives the gear two to rotate, the rotation of the gear two drives the rotating shaft two to rotate, after the test is completed, the motor is started to drive the tested drive motor away from the rotating shaft two, the new drive motor is moved to the side end of the rotating shaft two, and the test is continued, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the EMC load test device of the utility model structure;

[0024] Figure 2 This is a top view cutaway diagram of the structural EMC load test device of the utility model;

[0025] Figure 3 This is a front view cutaway diagram of the EMC load test device of the utility model structure;

[0026] Figure 4 It is a rear view cutaway schematic diagram of the EMC load test device of the utility model structure.

[0027] Among them: 1. test bench; 2. slide; 3. motor; 4. threaded rod; 5. slider; 6. placement plate; 7. column; 8. cylinder one; 9. fixing ring; 10. drive motor; 11. shaft one; 12. gear one; 13. side plate; 14. shaft two; 15. gear two; 16. pulley; 17. shielding cover; 18. cylinder two; 19. moving block; 20. load shaft. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-4 A vehicle drive motor EMC load test device comprises a test bench 1, a slide slot 2 is provided at the top of the test bench 1, a motor 3 is fixedly installed at the side end of the slide slot 2, a threaded rod 4 is fixedly installed at the output shaft of the motor 3, a slider 5 is provided on the threaded sleeve of the outer wall of the threaded rod 4, a placement plate 6 is fixedly installed at the top of the slider 5, a column 7 is installed at the top of the placement plate 6, a cylinder 8 is symmetrically installed at the side end of the column 7, a fixing ring 9 is fixedly installed at the side end of the cylinder 8, a drive motor 10 is installed at the top of the placement plate 6, a rotating shaft 11 is fixedly installed at the output shaft of the drive motor 10, a gear 12 is fixedly installed on the outer wall of the rotating shaft 11, a side plate 13 is fixedly installed at the top of the test bench 1, a rotating shaft 2 14 is rotatably installed at the side end of the side plate 13, a gear 2 15 is fixedly installed on the outer wall of the rotating shaft 2 14, a pulley 16 is fixedly installed at the side end of the rotating shaft 2 14, and an adjusting component is installed at the top of the test bench 1.

[0030] Specifically, a shielding cover 17 is provided at the top of the test bench 1. The advantage is that the shielding cover 17 can provide a good anti-electromagnetic effect and improve the accuracy of the test data.

[0031] Specifically, a shock-absorbing pad is installed on the top of the placement plate 6. The advantage is that the shock-absorbing pad can reduce the vibration generated when the driving motor 10 is working.

[0032] Specifically, a rubber pad is fixedly installed on the inner wall of the fixing ring 9 . The advantage is that the clamping wear on the driving motor 10 can be reduced by providing the rubber pad.

[0033] Specifically, the gear 1 12 is meshed with the gear 2 15 , and the advantage is that the gear 1 12 is meshed with the gear 2 15 , so that the rotation of the gear 1 12 drives the gear 2 15 to rotate.

[0034] Specifically, the adjustment component includes a cylinder 18, a moving block 19 and a load shaft 20. The moving block 19 is fixedly installed on the side end of the cylinder 18, and the load shaft 20 is rotatably installed on the top end through a support seat. The advantage is that by starting the cylinder 18, the cylinder 18 drives the moving block 19 to move, and the movement of the moving block 19 drives the load shaft 20 to move.

[0035] Specifically, a pulley 16 is fixedly mounted on the side end of the load shaft 20 , and the advantage is that the two sets of pulleys 16 are connected by belts.

[0036] When in use, the drive motor 10 is placed on the top of the placement plate 6, and then the cylinder 1 8 is started. The cylinder 1 8 drives the fixing ring 9 to move toward the outer wall of the drive motor 10 until the drive motor 10 is fixed between the two sets of fixing rings 9 to improve the stability of the drive motor 10. The cylinder 2 18 is started. The cylinder 2 18 drives the moving block 19 to move. The movement of the moving block 19 drives the load shaft 20 to move, so that the tightness of the belt can be adjusted. By starting the motor 3, the motor 3 drives the threaded rod 4 to rotate. The rotation of the threaded rod 4 drives the slider 5 to move. The movement of the slider 5 drives the placement plate 6 to move. The placement plate 6 moves. The drive motor 10 is driven to move until the gear 12 on the outer wall of the rotating shaft 11 is moved to mesh with the gear 2 15 on the outer wall of the rotating shaft 2 14, thereby starting the drive motor 10, and the drive motor 10 drives the rotating shaft 11 to rotate, the rotation of the rotating shaft 11 drives the gear 12 to rotate, the rotation of the gear 12 drives the gear 2 15 to rotate, and the rotation of the gear 2 15 drives the rotating shaft 2 14 to rotate. After the test is completed, start the motor 3 to drive the tested drive motor 10 away from the rotating shaft 2 14, move the new drive motor 10 to the side end of the rotating shaft 2 14, and continue to test, thereby improving work efficiency.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An EMC load test device for an automobile drive motor, comprising a test bench (1), characterized in that: The test bench (1) is provided with a slide groove (2) at the top, a motor (3) is fixedly installed on the side end of the slide groove (2), a threaded rod (4) is fixedly installed on the output shaft of the motor (3), a slider (5) is threadedly sleeved on the outer wall of the threaded rod (4), a placement plate (6) is fixedly installed on the top of the slider (5), a column (7) is installed on the top of the placement plate (6), a cylinder (8) is symmetrically installed on the side end of the column (7), a fixing ring (9) is fixedly installed on the side end of the cylinder (8), and the top of the placement plate (6) is fixedly mounted on the top of the slider (5). A driving motor (10) is installed at the end, the output shaft of the driving motor (10) is fixedly installed with a rotating shaft (11), the outer wall of the rotating shaft (11) is fixedly installed with a gear (12), the top of the test bench (1) is fixedly installed with a side plate (13), the side end of the side plate (13) is rotatably installed with a rotating shaft (14), the outer wall of the rotating shaft (14) is fixedly installed with a gear (15), the side end of the rotating shaft (14) is fixedly installed with a pulley (16), and the top of the test bench (1) is installed with an adjustment component.

2. The EMC load test device for automobile drive motor according to claim 1, characterized in that: The top end of the test bench (1) is provided with a shielding cover (17).

3. The EMC load test device for automobile drive motor according to claim 1, characterized in that: A shock-absorbing pad is installed on the top of the placement plate (6).

4. The EMC load test device for automobile drive motor according to claim 1, characterized in that: A rubber pad is fixedly mounted on the inner wall of the fixing ring (9).

5. The EMC load test device for automobile drive motor according to claim 1, characterized in that: The gear one (12) and the gear two (15) are meshed with each other.

6. The EMC load test device for automobile drive motor according to claim 1, characterized in that: The adjustment assembly comprises a second cylinder (18), a moving block (19) and a load shaft (20); the moving block (19) is fixedly mounted on the side end of the second cylinder (18), and the load shaft (20) is rotatably mounted on the top end via a support seat.

7. The EMC load test device for automobile drive motor according to claim 6, characterized in that: A pulley (16) is fixedly mounted on the side end of the load shaft (20).

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