Device for disassembling locomotive tread brake shoe stick

The invention provides a device for disassembling a locomotive tread brake shoe stick. The device comprises a hydraulic pump, an oil pipe, a hydraulic cylinder, a piston, a pull rod, a supporting frame, a pull plate and a shaft pin; the interior of the hydraulic pump is connected into the hydraulic cylinder through the oil pipe; the lower end of the hydraulic cylinder is fixedly connected to the upper end of the supporting frame; the piston and a sealing ring are embedded in the hydraulic cylinder in a sleeved mode; the sealing ring and the piston are arranged in parallel; the lower end of thepiston is fixedly connected to the upper end of a pull rod; the lower end of the pull rod sequentially penetrates through the sealing ring, the lower end of the hydraulic cylinder and the lower end of the supporting frame and then is provided with the pull plate; the pull plate is connected to the upper end of the shoe stick in a sleeved mode through the shaft pin; a shole is mounted on a shoe support through the shoe st