Control device of air braking system of rail vehicles

Abstract

The invention provides a control device of an air braking system of rail vehicles. The control device comprises an air brake, a locomotive distribution valve, an operating valve, at least one automatic brake unit, a first two-way valve, a brake electromagnetic valve and a release electromagnetic valve, wherein the unit comprises an equalizing air cylinder, an overcharge air cylinder, a relay valve and an automatic brake valve; an air inlet of the brake electromagnetic valve is connected with a main air pipe; an air outlet of the brake electromagnetic valve and an air inlet of the release electromagnetic valve are connected with a first air inlet of the first two-way valve; an air outlet of the release electromagnetic valve is communicated with the atmosphere; a second air inlet of the first two-way valve is connected with the operating valve through a twelfth pipe; an air outlet of the first two-way valve is connected with a brake cylinder; and the control ends of the brake electromagnetic valve and the release electromagnetic valve are connected with a switch through leads. The switch is mounted at the required position, controls the two electromagnetic valves to inflate and exhaust the brake cylinder and controls the locomotive to brake and release. The control device is reliable in action, simple in connection, easy to manufacture and maintain and low in cost.

Description

technical field [0001] The invention relates to rail vehicle air brake technology, in particular to a rail vehicle air brake system control device, which belongs to the technical field of air brake control. Background technique [0002] At present, the air brake system for locomotives mainly uses the JZ-7 air brake, and the JZ-7 air brake mainly includes the following control devices: automatic brake valve 31, separate brake valve 32, and equalizing air cylinder 33' , Overcharge air cylinder 33, relay valve 34, locomotive distribution valve 35 and action valve 36. Control schematic see figure 1 , the control relationship see figure 2 , image 3 . [0003] Such as figure 1 , figure 2 As shown, when the automatic brake valve 31 controls the braking system; the opening of the balance air cylinder 33' is connected to the automatic brake valve 31 through the first pipe 1, and the opening of the overcharge air cylinder 33 is respectively connected to the automatic brake va...

AI Technical Summary

Problems solved by technology

[0006] It is relatively difficult when it is necessary to control the braking and release of the locomotive on the roof of the locomotive or other places in the locomotive except the driver's cab

If the automatic brake valve and separate brake valve are installed in other places, and the corresponding pipelines are connected to them, it will take up a lot of space, which is almost difficult to achieve. At the same time, issues such as sealing and rust prevention must also be considered.

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