Automatic wheel set centering device for wheel flaw detection

Abstract

The invention discloses an automatic wheel set centering device for wheel flaw detection. The device comprises a base, a sliding seat is arranged on the base in a sliding mode, and buffer mechanisms elastically connected with the base are arranged at the two ends of the sliding seat; a turntable mechanism is fixedly mounted at the top of the sliding seat and comprises a supporting disc fixedly installed at the top of the sliding seat and a movable disc rotationally arranged in the sliding seat, a spherical base is vertically and rotationally arranged in the center of the supporting disc, the periphery of the spherical base is symmetrically and rotationally connected with the inner ends of a plurality of rolling shafts, and the outer ends of the rolling shafts movably penetrate through theside wall of a movable disc. According to the invention, the accuracy of automatic centering and positioning and the stability of wheel set jacking during flaw detection of the wheels of the railway high-speed train unit can be met, and the accuracy of flaw detection data of railway high-speed train unit detection equipment is improved. When the position of the rotating disc needs to be limited, arotating handle is rotated to enable a limiting barrel to rotate downwards, the supporting wheel is limited between a limiting groove and an annular groove, so that the effect of fixing the positionof the rotating disc is achieved.

Description

technical field [0001] The invention relates to the technical field of wheel flaw detection, in particular to a wheel set automatic centering device for wheel flaw detection. Background technique [0002] As an important part of the running part of the EMU, the wheel of the EMU is subject to thermal stress, impact force, pressure and friction during operation, and is prone to fatigue cracks. If it cannot be detected and prevented in time, it may cause train derailment or even overturned. At present, most of the centering and positioning of wheels in the market is manual positioning, and this kind of positioning depends on the way of human visual observation to see if it is centered. There is a large deviation in centering and positioning. The inaccuracy of flaw detection data affects the safety of EMU operation. [0003] For this reason, we propose a wheel set automatic centering device for wheel flaw detection to solve the above problems. Contents of the invention [0...

AI Technical Summary

Problems solved by technology

At present, most of the centering and positioning of wheels in the market is manual positioning, and this kind of positioning depends on the way of human visual observation to see if it is centered. There is a large deviation in centering and positioning. The inaccuracy of flaw detection data affects the safety of EMU operation

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