The invention relates to a brake cylinder protection assembly which comprises a safety valve and a ventilation valve which are installed on a brake cylinder body shell. The safety valve comprises a valve element with a center hole, through holes communicated with the center hole are formed in the side wall of the valve element, a supporting ring mounting part is arranged on the outer surface of the valve element between the through holes, a supporting ring and a dustproof ring are arranged on the supporting ring mounting part in a sleeving mode and arranged in a protective sleeve, the valve element extends out of the protective sleeve and is fixed through a spacer ring, and the opening directions of the protective sleeve are perpendicular to each other; the ventilation valve comprises a ventilation valve body, the small end is connected with the cylinder body shell, a sealing valve element and a positioning ring are arranged in the large end, a ventilation hole is formed in the positioning ring, and the ventilation valve body is sleeved with a rubber protection sleeve. The problem of sealing leakage caused by the fact that steam enters the brake cylinder in extreme weather is solved, and normal operation of a train is ensured.
本发明涉及一种制动缸防护组件,包括安全阀和透气阀,安装在制动缸缸体外壳上;安全阀包括:带中心孔的阀芯,阀芯侧壁设有连通中心孔的通孔,通孔之间的阀芯外表面设有支撑环安装部,支撑环和防尘圈套装其上,并置于保护套内,阀芯伸出保护套外并通过隔环固定,保护套开口方向互相垂直;透气阀包括:透气阀体,小头端连接缸体外壳,大头端内置密封阀芯和定位环,定位环上设有通气孔,透气阀体外部套有橡胶保护套。本发明解决了极端天气下水气进入制动缸导致密封泄漏的问题,确保了列车的正常运行。
Brake cylinder protection assembly
一种制动缸防护组件
2024-11-12
Patent
Electronic Resource
Chinese
Brake master cylinder assembly, brake system and brake system control method
European Patent Office | 2021
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