Buffer anchoring tool

Abstract

The invention discloses a buffer anchoring tool, and relates to a special device for assembling ST type buffers of internal combustion and electric locomotives and rail vehicles. The buffer anchoring tool mainly solves the following problems: in traditional assembly of the ST type buffer, a press hammer head is loaded at the top of the buffer; when the buffer is compressed to the assembly height, a bolt penetrates to the top from the bottom of the buffer for fastening; and because of no space of a limiting nut on the press hammer head, if the nut is placed in the fastening position of the buffer for loading compression beforehand, the nut can rotate during fastening the bolt, and the nut fastening cannot be realized. The anchoring tool is fixed with an internal hexagonal sleeve on a cylinder base; and the internal hexagonal sleeve is provided with an observation hole communicated with an inner hole of the internal hexagonal sleeve. The buffer anchoring tool not only can be used for compressing the buffer, but also can conveniently fasten the bolt and the nut, is free of influencing the compression performance and changing the structure of traditional equipment, and is simple in manufacturing, low in cost and high in practicability.

Description

technical field [0001] The invention relates to the assembly of a buffer, in particular to a special device for assembling ST-type buffers for internal combustion, electric locomotives and rail vehicles. Background technique [0002] When assembling the ST-type shock absorber, the last step is to insert a 473mm long fastening bolt through the workpiece from the bottom of the shock absorber and fasten it with a nut on the top of the shock absorber while the shock absorber is in a compressed state. At present, when assembling the buffer, it is carried out on a press. The buffer is placed vertically on the press table, and the hammer of the press is loaded on the top of the buffer to compress the buffer to the assembly height, and then thread the bolt and fasten it. However, when the tightening bolt is put on from the bottom, the nut cannot be tightened because the hammer of the press loaded on the top of the buffer is a solid forged hammer. If the nut is placed in the tighten...

AI Technical Summary

Problems solved by technology

However, when the fastening bolts are put on from the bottom, the nuts cannot be tightened because the hammer head of the press loaded on the top of the buffer is a solid forged hammer head.

If the nut is placed in the fastening position of the buffer in advance and then loaded and compressed, due to the structural limitation of the buffer, the nut has no limit design, and the nut will rotate and move when the bolt is tightened, which cannot be realized.

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