Device for testing performance of rotary electric brush of constructional engineering machinery

Abstract

The invention provides a device for testing the performance of a rotary electric brush of constructional engineering machinery. The device comprises a box body and a fixed shell; a motor is arranged at the left end of the box body, the motor is rotatably connected with a transmission shaft, and three groups of commutator segments are uniformly arranged on the transmission shaft; the lower end of the box body is fixedly connected with a bottom plate, two sets of V-shaped grooves are symmetrically formed in the surface of the bottom plate, and collecting boxes are arranged at the bottom ends ofthe V-shaped grooves; three sets of bases are arranged at the upper end of the bottom plate in an aligned mode, two sets of limiting devices are symmetrically arranged at the upper ends of the bases,and the limiting devices are fixedly connected with connecting columns. and a conductive device is arranged in the fixed shell, a partition plate is arranged in the middle of the fixed shell, and a threading hole is formed in the middle of the lower end of the partition plate. According to the invention, a bidirectional lead screw is in threaded connection with two sets of sliding plates, so thatthe two sets of sliding plates move inwards at the same time when a hand wheel is rocked to drive the bidirectional lead screw to rotate, the fixed shell is always positioned in the middle of a U-shaped table, and carbon brushes at the two ends of a commutator segment are always positioned at symmetrical positions.

Description

technical field [0001] The invention belongs to the technical field of brush detection devices, and more specifically relates to a performance test device for rotating brushes of construction engineering machinery. Background technique [0002] The brush is located at the dynamic and static junction of the generator. It is a device for dynamic and static contact and energy exchange of the generator. When the unit is running, the generator brush needs to be in close contact with the surface of the collector ring and rub continuously to realize the contact between the dynamic and static parts of the generator. Energy transfer, precisely because of such long-term and continuous mechanical friction, the wear and replacement of generator brushes is frequent and daily, and the brushes that are worn to a certain extent need to be replaced in time, otherwise there will be contact at the top of the brush holder. Therefore, it is very important to conduct performance tests on the brus...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above-mentioned technical problems, the present invention provides a performance test device for rotating brushes of construction engineering machinery to solve the problems of low detection efficiency of existing brush performance test devices and potential safety hazards caused by carbon powder adhering to the line

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