Crawling mechanism for damage ultrasonic detection of steel structure

Abstract

The invention provides a crawling mechanism for damage ultrasonic detection of a steel structure. The mechanism comprises a first box body and at least a pair of supporting legs, the first box body isprovided with an ultrasonic detector, the pair of supporting legs comprise a front supporting leg and a rear supporting leg, the front supporting leg and the rear supporting leg are arranged on the first box body for independent adsorption of the steel structure, the rear supporting leg is provided with a power source used for enabling the rear supporting leg and the first box body to move in a relative manner, and forward movement of the first box body with the ultrasonic detector is realized. During operation, firstly, the front supporting leg is adsorbed on the surface of the steel structure as a supporting point; secondly, the power source drives the rear supporting leg to move towards the front supporting leg; thirdly, the rear supporting leg is adsorbed on the surface of the steel structure as a supporting point; fourthly, the power source drives the first box body and the front supporting leg to move in a direction far from the rear supporting leg to realize forward movement ofthe ultrasonic detector; and fifthly and finally, the front supporting leg produces an adsorption effect, the rear supporting leg cancels an adsorption effect, and continuous forward movement of thefirst box body and the change of the detection position can be realized through repetition of second to fifth steps.

Description

technical field [0001] The invention relates to the field of ultrasonic detection, in particular to a crawling device for ultrasonic detection of steel structure damage. Background technique [0002] The steel structure is characterized by high strength, light weight, good overall rigidity, and strong deformation ability, so it is especially suitable for building large-span, super-high and super-heavy buildings, and the connection of steel is usually welded, which leads to It is understood that welding defects may cause safety problems in steel structures, such as possible defects such as air holes, slag inclusions, incomplete penetration, incomplete fusion, cracks, etc. At present, there are various detection methods for steel structures, but most of them are detected manually or by mechanical imitation of human hands. With the help of other climbing props, the risk factor is high during high-altitude detection, which brings certain difficulties to the detection, there are...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problem in the prior art that manual detection is difficult when the detection range is not within the contact range of the manual hand-held detector, and to provide a crawling device for ultrasonic detection of steel structures that is convenient to move

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