Detecting frame centering device for flaw detection of weld joints of rails and steel rails

Abstract

The invention discloses a probe frame centering device for track steel rail weld flaw detection, a probe frame is located below a centering frame, the top of the probe frame is connected with the bottom of a Y-axis angle deflection device, the top of the Y-axis angle deflection device is connected with a top plate of the centering frame, and the Y-axis angle deflection device is used for self-adaptive adjustment in the Y-axis direction; a Z-axis rotating device is arranged at the top of the centering frame, and a center shaft at the top of the centering frame penetrates through a rotating motor of the Z-axis rotating device to be fixed to the Z-axis rotating device. An X-axis angle deflection device is fixed to the top of the Z-axis rotating device and used for self-adaptive adjustment in the X-axis direction. And meanwhile, a Y-axis moving assembly and a height lifting assembly are sequentially arranged at the top of the X-axis angle deflection device and are used for self-adaptive adjustment in the Y-axis direction and the height direction correspondingly. According to the centering device, self-adaptive adjustment in three directions can be achieved, centering attachment of the probe frame under various working conditions can be guaranteed, the problem that a conventional probe frame is manually adjusted is solved, and the welding seam detection efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of rail flaw detection equipment, and in particular relates to a probe frame centering device used for rail rail weld flaw detection. Background technique [0002] With the increase of train speed and axle load, coupled with the thermal expansion and contraction of metal due to environmental reasons, the in-service rails are subjected to repeated rolling by the wheels for a long time. In order to ensure the safe operation of the locomotive, it is necessary to frequently inspect the in-service rails. Detection, timely detection of damage existing in the rail, so that timely remedial measures can be taken. [0003] The rail flaw detection in my country mainly adopts ultrasonic detection. The ultrasonic rail flaw detection device is a rail flaw detection device that detects the rail damage according to the ultrasonic echo reflected by the rail damage. When the ultrasonic rail flaw detection vehicle uses the ul...

AI Technical Summary

Problems solved by technology

[0006] Aiming at one or more of the above defects or improvement needs of the prior art, the present invention provides a detection frame centering device for rail rail weld seam flaw detection, which can realize self-adaptive adjustment in three directions, and adjust each The probe frame under all kinds of working conditions can ensure the centering fit, which solves the problem of manual adjustment of the conventional probe frame and greatly improves the efficiency of weld detection

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