A parking brake device for railway vehicles capable of both automatic and manual braking
A technology for parking brakes and railway vehicles, which is applied to the operating mechanism of railway vehicle brakes, railway braking systems, pneumatic brakes, etc. , The effect of convenient operation and maintenance, high degree of automation
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[0090] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments.
[0091] The utility model relates to a railway vehicle parking brake device capable of both automatic stop and manual stop, comprising a wind pressure mechanism, a hydraulic mechanism, a control mechanism and an executive mechanism.
[0092] The air pressure mechanism includes a parking brake cylinder 6 , a parking air cylinder 9 , a local decompression valve 8 and a blocking valve 5 connected by air pipes.
[0093] Parking brake cylinder 6 The cylinder body is in the shape of a cylindrical barrel. The front end of the cylinder body is equipped with a parking brake cylinder front cover 606 with a first through hole in the center, and a second through hole is opened in the center of the rear end of the cylinder body; The first piston 608, the rear end of the first piston 60...
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