Test device for low-temperature motor and low-temperature linear module

Abstract

The invention discloses a test device for a low-temperature motor and a low-temperature linear module. The test device comprises a support frame, a low-temperature simulation box and an installing table, wherein the low-temperature simulation box and the installing table are arranged on the support frame; a driving servo motor is arranged on the installing table; a low-temperature generator and anoptical grating detector are arranged on the low-temperature simulation box; the low-temperature generator comprises a liquid nitrogen source arranged outside the low-temperature simulation box and an evaporator arranged in the low-temperature simulation box; a tested motor and linear module installing seat is arranged at the inner bottom of the low-temperature simulation box; a main shaft of thedriving servo motor faces to the tested motor and linear module installing seat; a dynamic torque sensor is arranged on a transmission shaft. The work state of the motor and the linear module in low-temperature environment can be effectively simulated; the performance such as the torque of the tested motor in low-temperature environment and the linear precision of the linear module is precisely detected; the lowest temperature environment can reach -150 DEG C; the temperature reduction is fast and efficient; the temperature is stable.

Description

technical field [0001] The invention relates to the technical field of motor testing, in particular to a testing device for low-temperature motors and low-temperature linear modules. Background technique [0002] Low-temperature special motors and low-temperature linear modules are used as actuators for low-temperature equipment. They are mainly used for automatic cryogenic processing equipment and power devices for cryogenic environment manipulators. The low-temperature working environment temperature can reach -150°C. [0003] In order to test the performance index of the motor and the module in the low temperature environment (-150℃~-60℃) and ensure the reliability and environmental adaptability of the motor operation, it is necessary to perform storage, dynamic torque and holding torque in the deep low temperature environment , static friction, positioning accuracy and other reliability tests, the existing motor test device can only realize the test in the -60°C environm...

AI Technical Summary

Problems solved by technology

[0003] In order to test the performance index of the motor and the module in the low temperature environment (-150℃~-60℃) and ensure the reliability and environmental adaptability of the motor operation, it is necessary to perform storage, dynamic torque and holding torque in the deep low temperature environment , static friction, positioning accuracy and other reliability tests, the existing motor test device can only realize the test in the -60°C environment, and cannot reach the -150°C test condition

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