Dowty retarder

Abstract

The invention discloses a dowty retarder and relates to the technical field of railway vehicle retarders. The dowty retarder comprises a casing and an oil cylinder body arranged in the casing, whereinthe oil cylinder body comprises a sliding oil cylinder and a piston rod which are interconnected; the sliding oil cylinder can slide along the casing; the casing is provided with power generation devices; each power generation device comprises an outer casing fixed on the casing, motor coil assemblies which are symmetrically arranged in the outer casing as well as a rotor sliding block arranged between the motor coil assemblies; permanent magnets opposite to the motor coil assemblies are arranged on two opposite sides of the rotor sliding blocks; and a driving ring is arranged on the piston rod in a sleeving manner and is used for driving the rotor sliding block to move, so that the permanent magnets and the motor coil assemblies perform relative motion for cutting magnetic induction lines to generate power. The dowty retarder can be provided with a required power supply by using the pressure of the wheels passing through the dowty retarder.

Description

technical field [0001] The invention relates to the technical field of railway vehicle reducers, in particular to a retarder. Background technique [0002] The deceleration jack is a kind of railway vehicle speed control equipment widely used in freight marshalling yards. It is fixedly installed on the rails to control the speed of the sliding train to be marshalled, so as to achieve the purpose of vehicle safety. [0003] At present, most of the retarder maintenance adopts the combination of outdoor inspection, outdoor maintenance and indoor inspection. In the maintenance and repair work, the daily inspection of the retarder occupies a large proportion. The method commonly used by maintenance personnel is manual inspection, visually inspecting whether the external structure is damaged, oil leakage, etc., and whether the retarder is doing work and whether the braking performance is good or bad can only be judged by checking one by one. This is not only time-consuming and l...

AI Technical Summary

Problems solved by technology

The method commonly used by maintenance personnel is manual inspection, visually inspecting whether the external structure is damaged, oil leakage, etc., and whether the retarder is doing work and whether the braking performance is good or bad can only be judged by checking one by one.

This is not only time-consuming and labor-intensive, but also affects the normal performance of the retarder due to the difficulty in unifying the standard of human inspection.

[0004] Since the freight marshalling station has strict requirements on the laying of cables, it is impossible to flexibly lay them according to the needs of later power consumption

In the prior art, the decelerators used to intelligently control the speed of the trains to be formed are limited by the power supply of the decelerators, and it is difficult to promote them in a large area in practical applications.

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