CN213779347U

CN213779347U - Brushless DC motor torque testing device

Info

Publication number: CN213779347U
Application number: CN202022625035.8U
Authority: CN
Inventors: 时熙; 许景辉
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-23
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a torque testing device of a brushless DC motor, which relates to the technical field of torque testing devices, and comprises a test board, an upper pressure plate and a lower pressure plate, when testing the brushless DC motor, the brushless DC motor is clamped between the upper pressure plate and the lower pressure plate, the output end of the brushless DC motor is connected with a torque tester, the torque tester can conveniently carry out torque testing on the brushless DC motor, the stability and the accuracy during testing are improved, when placing and disassembling, an electric telescopic rod is opened, the clamping of the brushless DC motor can be removed, a servo motor is opened, a door-shaped frame can be moved to one side of the torque tester, the brushless DC motor can be taken down from the lower pressure plate conveniently, the operation is convenient, the use is convenient, the speed of torque testing is greatly improved, and a shock absorption foot pad is arranged, when using, the effectual vibrations that cushion the callus on the sole are cushioned, stability when improving the test.

Description

Brushless DC motor torque testing device

Technical Field

The utility model relates to a moment testing arrangement technical field specifically is a brushless DC motor moment testing arrangement.

Background

The brushless direct current motor is a typical electromechanical integration product, and the brushless direct current motor is a motor without a brush and a commutator, also called a commutator-free motor, and the motor is widely applied.

When brushless DC motor's production, often need test brushless DC motor's moment, thereby need use the moment tester, but when testing, there is the motor that is not convenient for await measuring to fix, inconvenient putting is got, the operation is complicated and loaded down with trivial details, influence test speed, be not convenient for use, and when using, because brushless DC motor's vibrations, can lead to testing arrangement to shake along with brushless DC motor, influence the stability of testing arrangement when using, be not convenient for use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a brushless DC motor torque testing arrangement to what provide among the above-mentioned background art is solved when the test, is not convenient for fix brushless DC motor and the unstable problem when dismantling and testing.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a brushless DC motor torque testing arrangement, includes the testboard, the intermediate position fixed mounting of the upper surface one end of testboard has the torque tester, just the last surface slip joint of testboard has a door type frame, just the last surface intermediate position fixed mounting of door type frame has electric telescopic handle, just electric telescopic handle's the end that stretches out runs through door type frame, and extend to the lower extreme of door type frame, electric telescopic handle's the end fixed mounting that stretches out has the top board, the upper surface of testboard is located one side intermediate position fixed mounting of torque tester has the backup pad, the last fixed surface of backup pad installs the holding down plate.

As a further aspect of the present invention: and four corners of the lower surface of the test board are fixedly provided with damping foot pads.

As a further aspect of the present invention: the height of the portal frame is higher than that of the moment tester.

As a further aspect of the present invention: a through hole is formed in the middle of the door-shaped frame, and the extending end of the electric telescopic rod penetrates through the through hole and extends to the lower end of the door-shaped frame to be fixedly connected with the upper pressing plate.

As a further aspect of the present invention: the lower end of the door-shaped frame is fixedly provided with a sliding block, and the door-shaped frame is connected to the upper surface of the test board in a sliding clamping mode through the sliding block.

As a further aspect of the present invention: the upper surface of the door-shaped frame is provided with sliding grooves, and the door-shaped frame is connected inside the sliding grooves in a sliding and clamping mode through the sliding blocks.

As a further aspect of the present invention: the equal fixed mounting in one side both ends of testboard has servo motor, just servo motor's output fixed mounting has the threaded rod, just the one end of threaded rod extends to the inside of spout, threaded hole has been seted up to one side of slider, the slider passes through the threaded hole with threaded rod looks threaded connection.

As a further aspect of the present invention: the shock absorption foot pad comprises a sleeve, the lower end of the test board is inserted into the sleeve, an air spring is fixedly mounted inside the sleeve, a shock absorption pad is fixedly mounted at the lower end of the sleeve, and an anti-slip pad is embedded in the middle of the lower surface of the shock absorption pad.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a through being equipped with top board and holding down plate, when testing brushless DC motor, make brushless DC motor be by centre gripping between top board and the holding down plate, and make the output of brushless DC motor be connected with the torque tester, the torque tester of being convenient for carries out the torque test to brushless DC motor, stability and accuracy when improving the test, and when placing and dismantling, open electric telescopic handle, can remove the centre gripping to brushless DC motor, and open servo motor, can move the door type frame to one side of torque tester, and then be convenient for take off brushless DC motor from the holding down plate, convenient operation, convenient to use, greatly improve the speed of testing the torque, and in the utility model discloses be equipped with the shock attenuation callus on the sole, when using, air spring and shock attenuation cushion are effectual to the vibrations that brushless DC motor produced when testing, avoid the utility model discloses produce great vibrations, facilitate the use.

Drawings

Fig. 1 is a front view of a torque testing apparatus for a brushless dc motor.

Fig. 2 is a side sectional view of the torque testing apparatus for a brushless dc motor.

Fig. 3 is a schematic structural diagram of a test board in the torque testing apparatus for a brushless dc motor.

Fig. 4 is a schematic structural diagram of a gantry in a torque testing apparatus for a brushless dc motor.

Fig. 5 is a front sectional view of a shock-absorbing pad in a torque testing apparatus of a brushless dc motor.

In the figure: the test bed comprises a test bed 1, a torque tester 2, a door-shaped frame 3, an electric telescopic rod 4, an upper pressure plate 5, a support plate 6, a lower pressure plate 7, a shock absorption foot pad 8, a through hole 9, a slide block 10, a slide groove 11, a servo motor 12, a threaded rod 13, a threaded hole 14, a sleeve 15, an air spring 16, a shock absorption pad 17 and an antiskid pad 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-5, a torque testing device for a brushless dc motor comprises a testing table 1, a torque tester 2 is fixedly installed at the middle position of one end of the upper surface of the testing table 1, a door-shaped frame 3 is slidably clamped on the upper surface of the testing table 1, an electric telescopic rod 4 is fixedly installed at the middle position of the upper surface of the door-shaped frame 3, the extending end of the electric telescopic rod 4 penetrates through the door-shaped frame 3 and extends to the lower end of the door-shaped frame 3, an upper pressing plate 5 is fixedly installed at the extending end of the electric telescopic rod 4, a supporting plate 6 is fixedly installed at the middle position of one side, located on the torque tester 2, of the upper surface of the testing table 1, and a lower pressing plate 7 is fixedly installed on the upper surface of the supporting plate 6.

Equal fixed mounting in lower surface four corners of testboard 1 has shock attenuation callus on the sole 8, shock attenuation callus on the sole 8 includes sleeve pipe 15, the lower extreme of testboard 1 is pegged graft in the inside of sleeve pipe 15, and the inside fixed mounting of sleeve pipe 15 has air spring 16, the lower extreme fixed mounting of sleeve pipe 15 has shock pad 17, the lower surface intermediate position of shock pad 17 is inlayed and is installed slipmat 18, and the height that highly is higher than moment tester 2 of door type frame 3, through hole 9 has been seted up to the intermediate position of door type frame 3, and electric telescopic handle 4 stretches out the end and runs through hole 9, and extend to the lower extreme and the top board 5 looks fixed connection of door type frame 3.

Equal fixed mounting of lower extreme of door type frame 3 has slider 10, and door type frame 3 passes through slider 10 slip joint at the upper surface of testboard 1, spout 11 has been seted up to the upper surface of door type frame 3, and door type frame 3 passes through slider 10 slip joint in the inside of spout 11, the equal fixed mounting in one side both ends of testboard 1 has servo motor 12, and servo motor 12's output fixed mounting has threaded rod 13, and the one end of threaded rod 13 extends to the inside of spout 11, threaded hole 14 has been seted up to one side of slider 10, slider 10 passes through threaded hole 14 and threaded rod 13 looks threaded connection.

Referring to fig. 1 and 2, a brushless dc motor to be tested is placed on a lower pressing plate 7 at the upper end of a testing table 1, the output end of the brushless dc motor is connected to a torque tester 2, a servo motor 12 is turned on, the servo motor 12 drives a threaded rod 13 to rotate, a slider 10 moves inside a sliding groove 11, a gantry 3 moves, when the gantry 3 moves to the middle position of the brushless dc motor to be tested, an electric telescopic rod 4 is turned on, the electric telescopic rod 4 pushes an upper pressing plate 5 to descend, the brushless dc motor to be tested is clamped between the upper pressing plate 5 and the lower pressing plate 7, the brushless dc motor to be tested is conveniently fixed, the torque tester 2 is convenient to test the brushless dc motor to be tested, the testing accuracy is improved, and after the testing is completed, the electric telescopic rod 4 is turned off, make top board 5 rise, and reverse open servo motor 12 for threaded rod 13 antiport makes slider 10 remove to moment tester 2 direction, and then is convenient for take off the brushless DC motor of test from holding down plate 7, convenient to use, convenient operation.

The utility model discloses a theory of operation is: when the utility model is used, a brushless DC motor to be tested is placed on the lower pressure plate 7 at the upper end of the test board 1, the output end of the brushless DC motor is connected with the torque tester 2, the servo motor 12 is started, the servo motor 12 drives the threaded rod 13 to rotate, the slider 10 moves in the chute 11, the door-shaped frame 3 moves, when the door-shaped frame 3 moves to the middle position of the brushless DC motor to be tested, the electric telescopic rod 4 is started, the electric telescopic rod 4 pushes the upper pressure plate 5 to descend, the brushless DC motor to be tested is clamped between the upper pressure plate 5 and the lower pressure plate 7, the brushless DC motor to be tested is convenient to fix, the torque tester 2 is convenient to test the brushless DC motor to be tested, the test accuracy is improved, and after the test is finished, the electric telescopic rod 4 is closed, make top board 5 rise, and reverse open servo motor 12 for threaded rod 13 antiport, make slider 10 remove to 2 directions of torque tester, and then be convenient for take off the brushless DC motor of test from holding down plate 7, convenient to use, convenient operation, and be equipped with shock attenuation callus on the sole 8, when using, air spring 16 and shock attenuation pad 17 are effectual cushions the vibrations that brushless DC motor produced when testing, avoid the utility model discloses produce great vibrations, facilitate the use.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A torque testing device of a brushless DC motor is characterized by comprising a test board (1), a torque tester (2) is fixedly arranged in the middle of one end of the upper surface of the test bench (1), the upper surface of the test board (1) is slidably clamped with a door-shaped frame (3), an electric telescopic rod (4) is fixedly arranged in the middle of the upper surface of the door-shaped frame (3), and the extending end of the electric telescopic rod (4) penetrates through the door-shaped frame (3), and extends to the lower end of the door-shaped frame (3), an upper pressure plate (5) is fixedly arranged at the extending end of the electric telescopic rod (4), a support plate (6) is fixedly arranged at the middle position of one side of the torque tester (2) on the upper surface of the test bench (1), and a lower pressing plate (7) is fixedly arranged on the upper surface of the supporting plate (6).

2. The torque testing device of the brushless direct current motor according to claim 1, wherein four corners of the lower surface of the test platform (1) are fixedly provided with shock-absorbing foot pads (8).

3. The torque testing device of a brushless dc motor according to claim 1, wherein the height of the gantry (3) is higher than the height of the torque tester (2).

4. The torque testing device of the brushless direct current motor according to claim 1, wherein a through hole (9) is formed in the middle of the door-shaped frame (3), and an extending end of the electric telescopic rod (4) penetrates through the through hole (9) and extends to the lower end of the door-shaped frame (3) to be fixedly connected with the upper pressure plate (5).

5. The torque testing device of the brushless direct current motor according to claim 1, wherein the lower ends of the door-shaped frames (3) are fixedly provided with sliding blocks (10), and the door-shaped frames (3) are slidably clamped on the upper surface of the test bench (1) through the sliding blocks (10).

6. The torque testing device of the brushless DC motor according to claim 5, wherein the upper surface of the door-shaped frame (3) is provided with a sliding groove (11), and the door-shaped frame (3) is slidably clamped inside the sliding groove (11) through the sliding block (10).

7. The torque testing device of the brushless direct current motor according to claim 6, wherein a servo motor (12) is fixedly mounted at both ends of one side of the testing platform (1), a threaded rod (13) is fixedly mounted at an output end of the servo motor (12), one end of the threaded rod (13) extends into the sliding groove (11), a threaded hole (14) is formed in one side of the sliding block (10), and the sliding block (10) is in threaded connection with the threaded rod (13) through the threaded hole (14).

8. The torque testing device of the brushless direct current motor according to claim 2, wherein the shock absorbing foot pad (8) comprises a sleeve (15), the lower end of the testing platform (1) is inserted into the sleeve (15), an air spring (16) is fixedly mounted inside the sleeve (15), a shock absorbing pad (17) is fixedly mounted at the lower end of the sleeve (15), and an anti-skid pad (18) is embedded in the middle position of the lower surface of the shock absorbing pad (17).