Pantograph rising carbon contact strip gas leakage checking mechanism capable of obtaining gas leakage distribution curve

Abstract

The invention relates to the technical field of gas tightness detection of pantograph rising carbon slide plates, and discloses a pantograph rising carbon contact strip gas leakage checking mechanism capable of obtaining a gas leakage distribution curve, which comprises a detection frame, an arc-shaped groove is formed in the upper end of the detection frame, a breather pipe is arranged in the carbon contact strip, and wet phenolphthalein paper is arranged on the upper surface and the lower surface of the carbon contact strip. The left and right sides of the upper end of the detection frame are connected with plugs, an air delivery pipe is connected between the air pump and a through hole in the detection frame, the front side of the lower end of the transverse plate is connected with a telescopic rod, and the lower end of the telescopic rod is connected with a suction cup. The two ends of the through hole are sealed through the plug and the gas conveying pipe, ammonia gas in the ammonia gas tank is conveyed into the vent pipe on the carbon contact strip through the gas pump, the leaked ammonia gas reacts with the wet phenolphthalein paper, at the moment, a red mark appears on the wet phenolphthalein paper, and the purpose of detecting whether the carbon contact strip leaks gas or not in a water-free mode is achieved through the structure. Therefore, the problem of incomplete detection of the water detection carbon contact strip is solved.

Description

technical field [0001] The invention relates to the technical field of air-tightness detection of a rising bow carbon slide, in particular to a gas leakage inspection mechanism for a rising bow carbon slide that can obtain an air leakage distribution curve. Background technique [0002] The pantograph refers to the electrical equipment that the electric traction locomotive obtains electric energy from the catenary, and is installed on the roof of the locomotive or motor car. Pantographs can be divided into single-arm bows and double-arm bows, both of which are composed of slide plates, upper frames, lower arm rods, underframes, bow springs, transmission cylinders, supporting insulators and other components. The smoothness of the load current passing through the contact surface of the contact wire and the pantograph slide is related to the contact pressure, transition resistance, and contact area between the slide and the contact wire, and depends on the interaction between t...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a gas leakage inspection mechanism of the ascending bow carbon slide that can obtain the distribution curve of the gas leakage, which has the advantages of anhydrous detection, comprehensive detection and the ability to obtain the crack distribution curve of the gas leakage position, and solves the problem of The water inspection device of the carbon slide plate of the pantograph is not comprehensively tested and the crack distribution curve of the air leakage position cannot be obtained

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