Environment-friendly electric transmission large-axle-load bogie frame of high-speed rail engineering vehicle

Abstract

The invention provides an environment-friendly electric transmission large-axle-load bogie frame of a high-speed rail engineering vehicle; the environment-friendly electric transmission large-axle-load bogie frame comprises framework of an integrally welded structure consisting of two side beams which are parallel to the traveling direction of the vehicle and are oppositely arranged and a middle beam positioned between the two side beams; a traction motor mounting seat and a gear box hanging seat are symmetrically arranged on the two sides of the middle beam in a 180-degree rotating mode with the center axis of the middle beam as the center, a transverse shock absorber mounting seat is arranged on the middle beam, and the two ends of the two side beams are respectively provided with brake mounting seat assemblies used for mounting foundation brake devices. And the four foundation brake devices are symmetrically arranged at the end parts of the framework through braking mounting seat assemblies at the end parts of the side beams. The problem that the foundation brake device mounting seat is difficult to weld at the end part of the side beam of the end-beam-free framework, provides a mounting foundation for reliably arranging the foundation brake device on the end-beam-free bogie framework, has good structural strength, and optimizes the mounting space under a vehicle. And enough maintenance and overhaul space is provided for later maintenance and repair of the foundation brake device.

Description

technical field [0001] The invention belongs to the technical field of bogies for rail engineering vehicles, and in particular relates to a green and environment-friendly electric transmission large axle load bogie frame for high-speed rail engineering vehicles. Background technique [0002] With the rapid development of my country's railway industry, the research and application technology of rail machinery for the construction of railway facilities is also gradually improving. Among them, the rail engineering vehicles must also meet the requirements of the operation of the railway. The improvement of operating speed, Good dynamic performance and increasingly stringent requirements for environmental protection; the bogie as the running part of the rail engineering vehicle has the following functions: ① bear the load of the parts above the frame; ② use the adhesion between the wheel and rail to ensure the generation of traction; ③ lift the vehicle ④Ensure that the vehicle stop...

AI Technical Summary

Problems solved by technology

[0004] Most of the existing electric transmission bogies are used on urban rail vehicles and electric locomotives. The axle load of electric transmission bogies for urban rail vehicles is generally below 19 tons. The number of devices has increased, making the axle load of newly developed vehicles larger and larger. The electric drive bogie of the existing urban rail vehicle adopts an H-shaped integral welded structure. Although the strength of the frame is good, it is difficult to install the foundation braking structure at the end of the bogie without end beam

At present, it is also used to install the basic braking structure inside the frame of the H-type bogie, but the installation space inside the frame is limited and the distribution of the installation structure is compact, which limits the installation position of the basic braking structure, and it is installed inside the frame. It is not convenient for later maintenance and repair, therefore, it is necessary to improve the above problems

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