Device for driving bogie of electric locomotive

Abstract

The invention provides a device for driving a bogie of an electric locomotive. One side of a big gear of a transmission gear box is provided with a brake gear shaft and an independent brake shaft parallel to the central line of a wheel counter shaft; a brake disc is arranged on the brake shaft, so as to realize brake of a shaft disc. The device comprises the components of a traction motor, a six-connecting rod disc-shaped coupler, a disc-shaped brake and the like, wherein one end of the independent brake shaft is connected with the brake gear shaft of the transmission gear box through the six-connecting rod disc-shaped coupler; and the other end of the independent brake shaft is supported on a bracket of the brake shaft fixedly connected with the motor through the bearing. The device for driving a bogie of an electric locomotive provided by the invention can be used for effectively solving the problem that the brake disc is difficult to assembly and disassembly, simultaneously reducing the unsprung weight, lowering the action applied force of a wheel rain, and improving the vertical dynamical property of the high-speed bogie, and is mainly used in powered bogies.

Description

technical field [0001] The invention belongs to the technical field of railway vehicles, in particular to bogie driving technology. Background technique [0002] At present, at home and abroad, the driving device technology of the power centralized electric locomotive with a speed level of 200km / h and above has been relatively mature, and many successful models have been developed, such as ICE1, TGV, S252, BB36000 abroad, domestic China Star. The types of driving devices of these locomotives are different, some use connecting rod hollow shaft type, some use cardan shaft type. The types of braking devices of these locomotives are also different, and there are mainly two types: 1. Wheel + disc brake structure, such as TGV, BB36000, S252; 2. Hollow shaft + disc brake structure, that is, the brake The disk is installed on the driving hollow shaft, such as ICE, China Star, etc. [0003] But these two types of braking devices all have different problems in use. First of all, i...

AI Technical Summary

Problems solved by technology

First of all, it is difficult to maintain and disassemble these two types of brake devices, especially the second type of structure that installs the brake disc on the driving hollow shaft. The replacement of the brake disc requires the disassembly of the entire drive device, and the brake disc is a consumable part. , which brings great difficulties to the application and maintenance, and affects the application of this braking structure to a certain extent

Secondly, the wheel + disc brake structure is to install the brake disc on the wheel, which inevitably increases a series of unsprung weight, which affects the vertical dynamic performance of the locomotive when it is running at high speed, and also restricts the speed at high speed. Use of small diameter wheels in bogies

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