Emergency valve with pressurizing function

A technology of emergency valve and booster valve, which is applied in the field of railway wagons, can solve the problems of inability to realize emergency braking, and achieve the effects of emergency braking and increased braking force

Pending Publication Date: 2022-08-02
CRRC QIQIHAR ROLLING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an emergency valve with supercharging function to solve the problem in the related art that emergency braking within a short distance cannot be achieved during emergency braking of trains

Method used

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  • Emergency valve with pressurizing function
  • Emergency valve with pressurizing function
  • Emergency valve with pressurizing function

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Embodiment Construction

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0032] like Figure 1 to Figure 6 As shown, the embodiment of the present invention provides an emergency valve with a pressurization function. The emergency valve with a pressurization function includes an emergency valve body 10 and a pressurization valve 20. The ...

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Abstract

The invention provides an emergency valve with a pressurizing function, which comprises an emergency valve body, an emergency valve core, an emergency valve core, an emergency valve core and an emergency valve core, the pressure increasing valve comprises a pressure increasing valve body and a pressure increasing valve element, the pressure increasing valve body is provided with a pressure increasing cavity, the pressure increasing valve element is arranged in the pressure increasing cavity, the first communicating port is communicated with a train pipe, the second communicating port is communicated with a brake cylinder, and the relieving port is communicated with the acceleration relieving air cylinder; the pressure increasing valve element is attached to the pressure increasing cavity, the relieving opening is located between the first communicating opening and the second communicating opening, the first communicating opening and the second communicating opening correspond to the two ends of the pressure increasing valve element respectively, and the pressure increasing valve element is provided with a vent hole which is communicated with the second communicating opening and penetrates through the side wall of the pressure increasing valve element. The vent hole has an inflation state communicated with the relieving opening and a pressure maintaining state closed with the relieving opening. Through the technical scheme provided by the invention, the problem that short-distance emergency braking cannot be realized during emergency braking of the train in the related technology can be solved.

Description

technical field [0001] The invention relates to the technical field of railway freight cars, in particular to an emergency valve with a pressurization function. Background technique [0002] The air control valve, the auxiliary air cylinder, the acceleration relief air cylinder and the brake cylinder constitute the braking system of the railway freight car. Among them, the air control valve is the core control component of the vehicle braking system, which controls the vehicle braking system to generate braking and relief. When the train is in an unexpectedly dangerous situation, it is necessary to activate the emergency braking to stop. [0003] In the related art, the air control valve consists of a main valve, a semi-automatic relief valve, an emergency valve and an intermediate. Among them, the emergency valve works under emergency braking. Its function is to quickly empty the pressure air in the train pipe during emergency braking, so as to improve the emergency braki...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T15/02B60T15/42B60T15/52B61H11/06
CPCB60T15/021B60T15/42B60T15/52B61H11/06
Inventor 徐毅何立东杨矗
Owner CRRC QIQIHAR ROLLING CO LTD
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