Bogies and rail vehicles

Abstract

An embodiment of the present application provides a bogie and a rail vehicle, wherein the bogie includes: a crossbeam extending in the transverse direction, including two crossbeam units symmetrically arranged and connected to each other, and a traction device installation is formed between the two crossbeam units. space; the secondary suspension mounting seat is set on the top surface of the beam, and forms a longitudinally penetrating installation channel with the beam; the side beam extends along the longitudinal direction; the number of side beams is two, and the two side beams are arranged side by side. It is installed in an installation channel; the wheel set is symmetrically arranged under the side beam; the primary suspension device is installed between the side beam and the axle box; the secondary suspension device is installed on the secondary suspension mounting seat; traction The bottom end of the device is inserted into the installation space of the traction device between the two beams; the brake device is arranged on the beam and is used to apply brakes to the wheels. The bogie and rail vehicle provided by the embodiments of the present application have the advantages of easy assembly and easy maintenance.

Description

technical field [0001] The present application relates to rail vehicle running technology, in particular to a bogie and a rail vehicle. Background technique [0002] Rail vehicles are an important transportation link connecting cities, and have gradually become the main means of transportation in cities. Rail vehicles are also the main carrier for cargo transportation. A rail vehicle mainly includes: a car body and a bogie arranged under the car body. The bogie is used to carry the car body and realize the running and steering functions. [0003] The bogie includes structures such as frame, wheelset, traction device, buffer device, etc. The frame includes two side beams extending along the length of the vehicle and a beam connecting the two side beams. The connection between the beam and the side beams is as follows: many kinds. After studying various forms of bogies, technicians found that there are some technical defects in traditional bogies, such as: large self-weight,...

AI Technical Summary

Problems solved by technology

After studying various forms of bogies, technicians found that there are some technical defects in traditional bogies, such as: large self-weight, resulting in large force on wheel sets, large wear of wheel and rail, and large noise; rigidity of frame Connection, poor vibration damping ability, resulting in greater vibration of the carriage, poor ride comfort; large wheel load reduction rate, reducing safety; poor anti-rolling ability makes the carriage prone to rollover, vertical buffer capacity Insufficiency leads to greater vibration of the cabin and poor ride comfort, higher self-weight leads to lower traction efficiency, and lower assembly efficiency due to unreasonable component installation layout, etc.

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