The invention provides a train control valve which comprises a control valve body, an air inlet channel and an exhaust channel, the control valve body is provided with a control valve cavity, an air inlet channel and an exhaust channel, the control valve cavity is communicated with an auxiliary air cylinder, the air inlet channel is communicated with a train pipe and the control valve cavity, and the exhaust channel is communicated with the control valve cavity and a local reduction chamber; the first valve element is provided with an exhaust position and a brake position, when the first valve element is located at the exhaust position, the communicating channel is communicated with the air inlet channel and the exhaust channel, and when the first valve element is located at the brake position, the brake channel is communicated with the control valve cavity and the brake cylinder; the brake valve comprises a brake valve body and a brake valve core, the brake valve core divides the brake valve body into a first cavity and a second cavity, the first cavity is communicated with the train pipe, the second cavity is communicated with the emergency chamber, the brake valve body is provided with a train channel and a local reduction channel, the train channel is communicated with the train pipe, and the local reduction channel is communicated with the local reduction chamber. The brake valve core has a communication position and a cut-off position. By means of the scheme, the problem that exhaust of the train pipe is slow can be solved.
本发明提供了一种列车控制阀,包括:控制阀体,具有控制阀腔、进气通道以及排气通道,控制阀腔与副风缸相连通,进气通道与列车管和控制阀腔相连通,排气通道与控制阀腔和局减室相连通;第一阀芯,具有排气位置和制动位置,在第一阀芯位于排气位置时,连通通道与进气通道和排气通道连通,在第一阀芯位于制动位置时,制动通道与控制阀腔和制动缸连通;制动阀,包括制动阀体和制动阀芯,制动阀芯将制动阀体分隔为第一腔室和第二腔室,第一腔室与列车管连通,第二腔室与紧急室连通,制动阀体具有列车通道和局减通道,列车通道与列车管连通,局减通道与局减室连通,制动阀芯具有连通位置及切断位置。通过本方案,能够解决列车管排气较慢的问题。
Train control valve
列车控制阀
2024-04-09
Patent
Electronic Resource
Chinese
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