a rail vehicle

Abstract

A framework (1), a low-position traction device matched with the framework (1), a steering frame driven by a propeller shaft and a railway vehicle. The framework (1) comprises a left side sill (10), a right side sill (9), and a drum type box beam (2). The middle of the bottom of the beam is provided with a fifth wheel mounting through-bore (11). The middle at the bottom of the beam is provided with a first longitudinal groove (12) and a second longitudinal groove (13) both in a "∩" shape. The low-position traction device comprises an upper base (22), a lower base (23), a first socket (24), a second socket (26), and a drawbar assembly (25). A third propeller shaft mounting through-bore (14) is provided between the upper base (22) and the lower base (23). The first longitudinal groove (12) and the first socket (24) form a first propeller shaft mounting through-bore. The second longitudinal groove (13) and the second socket (26) form a second propeller shaft mounting through-bore. After assembly, the drawbar assembly (25) is beneath the framework (1). By optimizing the framework and traction device, smooth pass of the propeller shaft is sufficiently achieved. The adhesion utilization rate of the vehicle is effectively improved by decreasing the height of towing points. The framework overcomes the problem that it is difficult to lay out disk brake as the wheel base of 2.3 meters has little space.

Description

technical field [0001] The invention relates to the technical field of rail transportation, in particular to a rail vehicle. Background technique [0002] With the development of my country's rail transit industry, more and more new structures are integrated into rail transit equipment. Among rail transit equipment, rail vehicles are the most widely used. [0003] In recent years, the requirements for driving stability, riding comfort and safety on rail vehicles have become higher and higher. Therefore, improving the driving stability, riding comfort and safety of rail vehicles has become a design goal. [0004] In the prior art, the bogie frame, motor, drive shaft and various functional components in the rail vehicle are arranged in the rail vehicle according to their respective function realization requirements, and the building block assembly structure of various equipment and components makes the track The space utilization rate in the vehicle is low, which causes the ...

AI Technical Summary

Problems solved by technology

[0004] In the prior art, the bogie frame, motor, drive shaft and various functional components in the rail vehicle are arranged in the rail vehicle according to their respective function realization requirements, and the building block assembly structure of various equipment and components makes the track The space utilization rate in the vehicle is low, which causes the overall center of gravity of the rail vehicle to be elevated, resulting in poor driving stability, low ride comfort and low safety

[0005] The defects of poor running stability, ride comfort and low safety of rail vehicles in the above-mentioned prior art are technical problems that those skilled in the art need to solve at present

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