Wheel pair axle box device enabling rotating speed of left wheel and that of right wheel of low floor light rail bogie to be synchronous

A wheel speed and bogie technology is applied in the field of non-power bogies of low-floor light rail vehicles to achieve the effects of increasing service life, reducing eccentric wear of wheel rims, and reducing maintenance costs.

Inactive Publication Date: 2017-04-26
CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the traditional

Method used

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  • Wheel pair axle box device enabling rotating speed of left wheel and that of right wheel of low floor light rail bogie to be synchronous
  • Wheel pair axle box device enabling rotating speed of left wheel and that of right wheel of low floor light rail bogie to be synchronous

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Embodiment Construction

[0013] Reference figure 1 , figure 2 , The wheel set axle box device consists of axle bridge 1, primary spring 2, elastic wheel 3, axle 4, flange connection seat 5, fixed axle bearing 6, fixed axle bearing 7, transmission gear 8, transmission pinion 9 , The drive shaft 10 and the bearing 11 that fix the drive shaft are composed. The elastic wheel 3 is connected to the axle 4 by flange surface fasteners, and the axle 4 is fixed by the bearing 6 installed in the axle axle 1 and the bearing 7 in the flange connecting seat 5. Axle and axle 1 is a one-piece casting structure, with a hollow axle body in the middle and hollow axle boxes on both sides, which are completely penetrated from left to right. It is the main bearing structure of the wheel set axle box device. A fixed axle bearing 6 and fixed are arranged inside the axle box axle bridge. The mounting seat of the drive shaft bearing 11 is provided with a mounting interface for fixing the flange connection seat 5 of the axle b...

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Abstract

The invention relates to a wheel pair axle box device enabling the rotating speed of a left wheel and that of a right wheel of a low floor light rail bogie to be synchronous. The wheel pair axle box device comprises an axle, elastic wheels and a vehicle shaft, wherein the elastic wheels are connected with the vehicle shaft through a flange surface fastener; and the vehicle shaft is fixed by a bearing mounted in the axle and a bearing in the flange connecting seat. The wheel pair axle box device is characterized in that one transmission bull wheel is arranged between two sets of single-column tapered roller bearings for fixing the vehicle shaft in a clamping manner; a transmission shaft for enabling the rotating speeds of the wheels on two sides to be synchronous is fixed in the axle through the two single-column tapered roller bearings on the two sides; transmission pinions are arranged on the transmission shaft; and the transmission shaft is in transmission connection with the vehicle shaft through the meshing of each of the transmission bull wheels and the corresponding transmission pinions. According to the wheel pair axle box device disclosed by the invention, through the transmission shaft and the meshing of a set of the bull wheels and the pinions integrated in the axle, the wheel on the left side and the wheel on the right side of an independent wheel steering frame are coupled, so that the rotating speeds of the wheels on the two sides are synchronous, the wheel flange eccentric wear is reduced, the service life of the wheels is prolonged, and the maintenance cost of the vehicle is reduced.

Description

Technical field [0001] The invention belongs to the technical field of non-powered bogies for low-floor light rail vehicles, and in particular relates to a wheel-set axle box device in which the rotational speeds of the left and right wheels of the bogie are synchronized. Background technique [0002] At present, the wheel-set axle box devices of low-floor light rail non-powered bogies at home and abroad all adopt independent wheel structure to achieve the requirements of low car body floor and smooth ground (no gentle slope on the floor). [0003] The left and right wheels of traditional independent wheel bogies rotate independently, and there is no automatic centering ability when running on the track. Therefore, one side of the wheel often runs against the rail, and serious rim wear occurs, which ultimately reduces the service life of the wheel. , Increase in vehicle maintenance costs. [0004] At present, there is no wheel-set axle box device in the world that realizes the non-p...

Claims

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Application Information

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IPC IPC(8): B61F5/28
CPCB61F5/28
Inventor 强锋陆海英韩俊臣
Owner CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
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