Steel wall crawler with multi-directional floating left and right discs

Abstract

The invention relates to a steel wall crawl device with a left tray and a right tray capable of floating in multiple directions and belongs to the technical field of small carrying devices. Magnetic wheels driven by motors are arranged on the left tray and the right tray, and a plurality of elastic elements which can become shorter when being subjected to pressure are fastened to a middle tray. One ends of the elastic elements are connected with the corresponding left tray or right tray through knuckle bearings, the left tray and the right tray are each connected with the middle tray through a self-adaptive connecting assembly, and the self-adaptive connecting assemblies enable the left tray and the right tray to rotate around axes parallel to the longitudinal direction and the transverse direction of the middle tray respectivley. Each self-adaptive connecting assembly can be structured in that mode that a large deep groove ball bearing is fastened to the inner ring of the middle tray and then is fastened to a small bearing, the large deep groove ball bearing and the small bearing share the same fixing mandrel, the outer ring of the large deep groove ball bearing is fastened to a bearing seat of the large deep groove ball bearing, one end of a connecting plate is hinged to the bearing seat, and the other end of the connecting plate is hinged to the left tray or the right tray. No matter what shapes of steel walls the crawl device encounters in the operation process, the driving magnetic wheel can make reliable contact with the steel walls.

Description

technical field [0001] The invention belongs to the technical field of small carrying devices, in particular to a steel wall crawler with multi-directional floating left and right plates, which is especially suitable for non-destructive testing of large steel parts. Background technique [0002] The Chinese patent document with the authorized announcement number CN202152077U discloses a "steel wall crawler with a flexible chassis". The chassis of the crawler includes a middle plate, a left plate, and a right plate; Magnetic wheel; the left and right plates and the middle plate are respectively connected by elastic elements that can be shortened under pressure; the position of the magnetic wheel can be automatically adjusted and changed to a certain extent with the shape of the crawled steel wall, which is similar to the device before the publication of this patent Ratio, the crawling ability and safety of the device are improved. The disadvantage of this device is that the ...

AI Technical Summary

Problems solved by technology

The disadvantage of this device is that the left and right discs cannot float in multiple directions. When the steel wall takes on certain shapes, the active magnetic wheel may lose contact with the steel wall, causing the crawler to lose driving force, affecting the crawling ability or even falling off. fall

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