Lift locking, parking, anti-slide device for raiway vehicle

The utility model relates to an auxiliary device of a railway, in particular to a lift locking, parking, anti-slide device for a railway vehicle. The utility model comprises a bottom beam, a power cylinder, and a brake arm composed of a brake rail, a movable arm, a movable arm seat, a spring and a fixed arm. The utility model is characterized in that the utility model also includes a ladder track fixed on the bottom beam, curved slide blocks positioned on the bottom beam and pivoted with the double piston rods of the power cylinder, and a roller sheathed on a pin shaft which is pivoted with the movable arm seat and the fixed arm. A lifting locking device is formed by the roller matching with the ladder track and the curved slide block. When the vehicle brakes, on the railway, the curved slide block makes the brake arm rise for clamping the parking vehicle and then locking the parking vehicle simultaneously. The curved slide block limits the glide of the brake arm and doesn't influence the braking effect even if fault of the power cylinder occurs due to oil leakage. The utility model has the advantages of simple structure, simple operation, good safety, long service life etc.