Self-powered control train parking device

The utility model relates to a self-powered controllable parking device which is composed of a speed judging roof, a supporting arm and a braking beam, wherein the speed judging roof is arranged at the end of an entrance for dumping vehicles and in the front of the parking device and screwed on the outer side of a stock rail of a line. The supporting arm which is clamped on the bottom of the stock rail via an inner and an outer rails are rightly fixed via a bolt. The braking beam is screwed on the upper surfaces of beam brackets on both ends of the supporting arm. A hydraulic press is a sealed hydraulic system which is formed by that an oil cylinder, a plunger, an electromagnetic reversing valve, a one way valve and an accumulator are integrated into one body. Outside facilities such as a motor, an air pump, an oil pump, an accumulator, a dynamic power cable, a pipeline, a joint, etc. can be saved. The parking device is in the braking position in the normal state when arranged at the tail part of a classification line to serve as the parking device. The instruction is controlled by a control building to automatically implement brake and parking to the vehicles, the dumping of which is prevented. The train parking device is in the relieving position in the normal state when arranged in a target section behind an outlet of a target braking position to serve for target brake. The utility model is combined with the speed judging roof to judge overspeed vehicles to implement braking speed regulation to the overspeed vehicles. The utility model has the advantages of simple structure, good sealing performance, small size and wide range of application. The utility model carries out the brake by using the kinetic energy of the vehicle selves and the energy stored by a spring, and a motive power energy source does not need to be arranged on the outside. The utility model has the advantages of investment saving, easy daily maintenance and management.