Bearing disk for detaching axel-hung box bearings of locomotive

Abstract

The invention discloses a bearing disk for detaching axel-hung box bearings of a locomotive. The bearing disk is used for detaching the axel-hung box bearings of the locomotive. Pins are in clearance fit with a via hole of an axel-hung box and are inserted into the hole of the axel-hung box; the two pins and a mandril are uniformly distributed below the bearing disk; a cushion block, a jack and a top bearing device are sequentially arranged at the central position of the bearing disk from bottom to top; the top bearing device is supported in the axel-hung box and is in contact with the bearing through a short pin; and the upper end face of the mandril and upper buses of the pins are positioned in the same plane. According to the bearing disk disclosed by the invention, the two pins are inserted into the via hole of the axel-hung box; the two pins and the mandril form a three-point supported bearing disk; bearings at two ends of the axel-hung box can be detached by turning the axel-hung box once without mounting and dismounting bolts; the pins can be flexibly extracted; the whole process can be finished within ten minutes; the phenomena of mounting and dismounting the bolts in a large amount and turning the axel-hung box can be avoided; and the invention has the advantages of simple structure, convenience for operation, short use time for driving, effectively-improved work efficiency and reduced labor intensity of workers.

Description

technical field [0001] The invention relates to the technical field of special process equipment for dismantling and disassembling railway locomotives, in particular to a tooling used for disassembling a bearing of an axle-holding box of a locomotive. Background technique [0002] During the overhaul of the locomotive wheel set, in order to meet the requirements of flaw detection and maintenance, the axle-holding box must be completely disassembled. The axle box bearing is a split tapered roller bearing, which is a special product for railways. When the axle and the axle holding box are disassembled, the inner ring of the bearing is disassembled with the axle, and the outer ring of the bearing is placed in the mouth of the axle holding box. The axle-holding box is designed with three evenly distributed grooves under the outer ring of the bearing for inserting short pins to remove the bearing. When the bearing outer ring is disassembled, the jack acts on the top bearing dev...

AI Technical Summary

Problems solved by technology

The main workload of disassembling the bearing is to assemble and disassemble the bearing plate, which has defects such as long time-consuming, high labor intensity, troublesome and complicated operation process, and a lot of driving resources.

Images