The invention discloses a relay valve capable of improving working sensitivity, which comprises a valve body assembly, a piston assembly and a valve element assembly, wherein the piston assembly is arranged at the bottom end in the valve body assembly, the valve element assembly is arranged at the upper end of the piston assembly, a valve element spring is arranged on the valve element assembly; the upper end of the valve element assembly is connected with an exhaust cap; the exhaust cap is located on the upper surface of the valve body assembly; an input cavity and an output cavity are formedin the two sides of the valve element assembly, the output cavity is located at the lower end of the input cavity, the input cavity is connected with system main air, and the output cavity is connected with a brake air cylinder; a control cavity is formed in the lower end of the piston assembly; the control cavity is connected with a train control system; and the relay valve further comprises a stress assembly arranged on the valve element assembly. The sealing position structures of the valve port and the valve element assembly are adjusted, so that the stress state of the valve element assembly is optimized, and meanwhile, the sealing performance is guaranteed.

    能够改善工作灵敏度的中继阀,包括阀体组件、鞲鞴总成和阀芯总成,所述阀体组件内部底端设有鞲鞴总成,位于所述鞲鞴总成上端设有阀芯总成,所述阀芯总成上设有阀芯弹簧,所述阀芯总成上端连接有排气帽,所述排气帽位于阀体组件上表面,位于阀芯总成两侧设有输入腔和输出腔且输出腔位于输入腔下端,所述输入腔连接系统总风,所述输出腔连接制动风缸,所述鞲鞴总成下端设有控制腔,所述控制腔与列车控制系统连接,所述中继阀还包括设置在阀芯总成上的受力组件。本发明对阀口和阀芯总成的的密封位置结构进行调整,从而对阀芯总成的受力状态进行优化,同时保证密封性能。


    Access

    Download


    Export, share and cite



    Title :

    Relay valve capable of improving operation sensitivity


    Additional title:

    能够改善工作灵敏度的中继阀


    Contributors:

    Publication date :

    2020-09-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B61H Bremsen oder andere Verzögerungseinrichtungen ausgebildet für Schienenfahrzeuge , BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES



    Relay valve capable of outputting two kinds of pressure

    ZHU YU / LIU WENJUN / SHEN YANFEI et al. | European Patent Office | 2020

    Free access

    RELAY VALVE

    SHEN YANFEI / QUAN QIONG / WEI XUELI et al. | European Patent Office | 2023

    Free access

    RELAY VALVE

    SHEN YANFEI / QUAN QIONG / WEI XUELI et al. | European Patent Office | 2024

    Free access

    RELAY VALVE AND METHOD OF CONTROLLING A RELAY VALVE

    ZÉMAN FERENC | European Patent Office | 2017

    Free access

    RELAY VALVE AND METHOD OF CONTROLLING A RELAY VALVE

    ZEMAN FERENC | European Patent Office | 2017

    Free access