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A servo motor test bench

A technology of servo motors and test benches, applied in measuring devices, power metering, instruments, etc., can solve problems such as inaccurate detection of output torque of test motors

Active Publication Date: 2021-05-04
上海宝协新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the torque tester detects the output torque of the test motor, it is necessary to keep the output shaft of the test motor coaxial with the output shaft of the torque tester. When the value is too large, the detection of the output torque of the test motor is inaccurate

Method used

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  • A servo motor test bench
  • A servo motor test bench
  • A servo motor test bench

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] A servo motor test bench, refer to figure 1 , including an operating table 1, a torque tester 2, an MCU 3 and a transparent isolation cover 12 for isolating the test environment of the test motor. The upper surface of the console 1 is provided with an annular groove 11 for inserting and positioning the transparent isolation cover 12 . When the test motor is tested, when the test motor is installed, the transparent isolation cover 12 is inserted into the position of the annular groove 11, and then the test environment of the test motor is isolated from the outside world, thereby reducing the noise impact on the outside world.

[0046] refer to figure 2 and image 3 , the operating table 1 is provided with a vertical detection plate 4 fixed on the operating table 1, the body of the torque tester 2 is fixedly connected with the detection plate 4, and the output shaft of the torque tester 2 is fixed with the rigidity of the output shaft of the testing motor. Coupling 21...

Embodiment 2

[0053] A kind of testing method of servomotor, adopts the servomotor test stand in embodiment 1, it comprises the following steps:

[0054] Step S1: Select the corresponding support core 62 according to the test motor specification, and fix the support core 62 in the installation groove 61;

[0055] Step S2: Place the body of the test motor on the support base 6, quickly adjust the position of the test motor by driving the electric push rod 72 and the lifting electric push rod 63, so that the output shaft of the test motor is aligned with the rigid coupling 21, And close to the rigid coupling 21;

[0056] Step S3: Rotate the adjusting screw 81 to insert the installation shaft of the test motor into the rigid coupling 21, and fine-tune the position of the test motor until the indicator light 31 lights up;

[0057] Step S4: Fixedly connect the body of the test motor to the mounting plate 5, and fixedly connect the output shaft of the test motor to the rigid coupling 21, and kee...

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Abstract

The invention relates to a servo motor test bench and a test method. The main point of the technical solution is that the servo motor test bench includes an operating table and an MCU, and a vertically arranged detection board is fixed on the operating table, and is connected to the output shaft of the torque tester The detection ring is arranged coaxially, and the circumference surface of the detection ring is provided with at least three position detection sensors arranged along the radial direction of the detection ring; an indicator light connected to the MCU is provided on the console, and the MCU detects the position according to the position detection sensor. The coordinate information judges the coaxiality error between the output shaft of the test motor and the output shaft of the torque tester. When the coaxiality error is less than the set value, the MCU controls the indicator light to light up. The invention detects the coaxiality between the output shaft of the test motor and the output shaft of the torque tester before the body of the test motor is fixed, so that the test motor can be installed and positioned more accurately, and the test motor can be output torque more accurately. test.

Description

technical field [0001] The invention relates to the technical field of servo motor testing, in particular to a servo motor testing platform and a testing method. Background technique [0002] Servo motor is an actuator commonly used in automatic control systems. The servo motor can control the speed and position accuracy very accurately, and can convert the voltage signal into torque and speed to drive the control object. The rotor speed of the servo motor is controlled by the input signal, and can respond quickly, and has the characteristics of small electromechanical time constant, high linearity, starting voltage, etc., and can convert the received electrical signal into angular displacement or angular velocity output on the motor shaft . When the servo motor leaves the factory, the electrical performance of the servo motor needs to be tested. Generally, when testing the electrical performance of the motor, the stators of the motor under test and the load motor are fixe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L3/04G01B21/24
CPCG01B21/24G01L3/04
Inventor 严汝龙
Owner 上海宝协新能源科技有限公司
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