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Axle box device, bearing unit and sealing cover

A sealing cover and bearing technology, applied in the direction of bearing components, shafts and bearings, rigid supports of bearing components, etc., can solve problems such as stop pin breakage, anti-rotation mechanism failure, etc., and achieve the effect of reducing the possibility

Pending Publication Date: 2021-05-28
SCHAEFFLER TECH AG & CO KG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, during operation, due to mutual wear between the stop pin and the stop fork, the stop pin is very easy to break during operation, resulting in failure of the anti-rotation mechanism

Method used

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  • Axle box device, bearing unit and sealing cover
  • Axle box device, bearing unit and sealing cover
  • Axle box device, bearing unit and sealing cover

Examples

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Comparison scheme
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Embodiment Construction

[0028] It can be seen from the background art that the stop pin of the sealing cover is very easy to break during operation, which leads to the failure of the anti-rotation mechanism between the axle box and the sealing cover.

[0029] In order to reduce the possibility of breakage of the stop pin caused by the relative rotation of the axle box cover and the outer ring of the bearing during the operation of the axle box device, the embodiment of the present invention provides a sealing cover. When the sealing cover is working, the stop protrusion The out part cooperates with the stop concave part of the axle box cover of the axle box device, which can prevent the relative movement between the seal cover and the axle box cover along the circumferential direction of the seal cover, because the stop protrusion It is integrally formed with the sealing cover body, so there is no interface between the stop stamping part and the sealing cover body, and the strength of the stop protrus...

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Abstract

The embodiment of the invention provides a sealing cover which is used for sealing a bearing of an axle box device. The sealing cover comprises a sealing cover body and a stop protruding part, wherein the sealing cover body is annular; the stop protruding part is fixed to the axial outer end face of the sealing cover body, and the stop protruding part and the sealing cover body are integrally formed; and the stop protruding part is matched with a stop sinking part of an axle box cover of the axle box device and is suitable for being arranged in the stop sinking part. As no interface is arranged between a stop stamping part and the sealing cover body, the strength of the stop protruding part is increased, and the possibility of breakage of the stop protruding part caused by relative rotation of the axle box cover and a bearing outer ring in the working process of the axle box device is reduced. Therefore, the probability that a cable between a sensor module and an electronic processor module is dragged, and even parts in the axle box device are touched, so that the problems of cable damage and function failure of a sensor assembly are caused is reduced.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of machinery, in particular to an axle box device, a bearing unit and a sealing cover. Background technique [0002] The bogie of a train usually includes components such as frame, wheel set and axle box device. The axle box unit is used to connect the wheel set and the bogie frame. The axlebox device includes a bearing for supporting a rotating shaft, a fixed axlebox body surrounding the bearing, and a sensor assembly for monitoring the state of the bearing, wherein the bearing includes at least an inner ring fixed on the rotating shaft and a fixed axlebox body The upper outer ring, and a sealing cover is fixed on the outer ring, and the sealing cover is located on the axial end side of the bearing to seal the bearing. The sensor assembly of the axle box device includes a sensor module fixed on the sealing cover, and the sensor module is connected to the electronic processor modu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C35/00F16C33/72
CPCF16C33/72F16C35/00
Inventor 蔡福强吴丽娟贾宪林
Owner SCHAEFFLER TECH AG & CO KG
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