Special tool for brake withstand voltage test

Abstract

The invention discloses a special tool for a brake withstand voltage test, which comprises a supporting plate and an adjusting plate which are symmetrically arranged, the upper end and the lower end of the supporting plate are respectively provided with a supporting piece perpendicular to the supporting plate, and the adjusting plate is provided with a first socket for the insertion of one end, far away from the supporting plate, of the supporting piece. The special tool for the brake withstand voltage test provided by the invention can be disassembled and conveyed to each working place to carry out pressure resistance test on the brake, is good in stability, cannot be separated due to pressure and cannot cause the condition that part of components are broken open, so that the safety of the pressure resistance test is greatly improved, and meanwhile, the special tool is also convenient to assemble and disassemble, and the time required by the withstand voltage test is greatly shortened.

Description

technical field [0001] The invention relates to the technical field of brake maintenance, in particular to a special tool for brake withstand voltage test. Background technique [0002] The brake is a relatively important part of the generator, which can lift the rotor to realize the rapid shutdown of the generator or assist the maintenance and start-up of the generator. Specifically, when the generator set stops, the speed will gradually decrease. When the speed drops to a certain When the value is high, there will be a problem that the speed required by the oil film cannot be met, which will cause semi-dry friction between the two metal surfaces, which will easily cause damage to the thrust pad. At this time, the brake is required to lift the rotor and quickly stop the generator set. The running time of the thrust pad under semi-dry friction; at the same time, when the generator set is overhauled, the brake is often required to lift the rotor, such as checking the thrust p...

AI Technical Summary

Problems solved by technology

When such a tool is testing a new brake to be installed, the brake can be directly put into it for testing, but when the installed brake is tested, there will be problems, for example, in some hydropower stations with compact infrastructure dimensions, It is very difficult to directly hoist and transport large-scale pressure test tools into the wind tunnel. When the unit is under minor repair (without the condition of lifting the rotor) and the brake needs to be overhauled, I want to use such a pressure test tool to test the brake. it will be difficult

[0004] Of course, there are some tools that use bolts for connection. Such tools are generally divided into two parts, the bottom bracket and the upper cover. After the bracket is welded, put the brake into it, and then put the upper cover. The cover is fixed on the bracket by bolts. Although this method can be disassembled to a certain extent compared with the overall welding tool, the difficulty of transportation is relatively small, but its pressure resistance effect is extremely poor, and it is completely fixed by bolts. Under pressure, it is easy to deform or even break the bolts, causing the upper cover to burst directly, which not only affects the test results, but also easily injures the staff or damages the equipment in the power station, causing safety accidents

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