Axle housing weld joint leakage detection device

Abstract

The invention discloses an axle housing weld joint leakage detection device. The axle housing weld joint leakage detection device includes a workbench; a support is fixed to the workbench, is used forsupporting an axle shell, three groups of sealing devices are arranged and used for sealing the axle shell, air outlets are formed in the sealing devices, a gas analyzer and a gas pump are fixed at the lower end of the workbench; the air suction end of the air pump is communicated with the air outlet and is used for exhausting air in the axle shell through an air outlet. The exhaust end of the air pump is communicated with the gas analyzer; a gas storage tank is arranged and used for storing tracer gas, the air storage tank is externally communicated with an air gun for blowing air towards the outer end face of the axle housing. Therefore, the axle shell is sealed, air can be pumped out of the axle housing through the air pump, meanwhile, tracer gas can be blown to all weld joints of theouter end face of the axle housing through the air gun, and due to the fact that the pumped air is led to the gas analyzer, the content of the tracer gas in the air can be detected and analyzed through the gas analyzer, and leakage detection of the weld joints of the axle housing is achieved.

Description

Technical field [0001] The invention relates to the technical field of vehicle axle detection, in particular to a leak detection device for welds of vehicle axle housings. Background technique [0002] The automobile axle housing is an important part of the automobile, and its airtightness is required to be high, and it is required that it cannot leak. This requires high welding quality, and the welding seam cannot be leaked. The existing automobile axle housing The leak detection device is to apply soapy water to the welding seam of the automobile axle housing, and then blow air into the automobile axle housing through a spray gun to observe the quality of the weld seam with the naked eye. If there are bubbles bulging out, the test is unqualified Otherwise, it is qualified. However, on the one hand, it is necessary to manually apply soapy water and visually confirm whether there are any leaks in the welds, which will cause inconvenience in use and operation, which will affect wo...

AI Technical Summary

Problems solved by technology

[0002] The automobile axle housing is an important part of the automobile, which requires high air tightness and no air leakage. This requires high welding quality, and the welding seam must not be welded to leak air. The existing automobile axle housing The leak detection device is to apply soapy water on the weld of the automobile axle housing, and then blow air into the automobile axle housing through a spray gun to observe the quality of the weld seam with the naked eye. If there are air bubbles, the test fails , otherwise it is qualified. However, on the one hand, it is necessary to manually apply soapy water and visually confirm whether there are any leaks at each weld, so that it is inconvenient to use and operate, which affects work efficiency and takes time and effort. Whether there are bubbles bulging at the weld to confirm the leak point, it is difficult to accurately and efficiently locate the leak point in all directions, and at the same time, it is also difficult to accurately grasp the leak rate of the leak point

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