Brake signal returning device of rope traction trapped rail vehicle

The utility model discloses a brake signal return device for a rope traction trapped rail vehicle, which relates to the technical field of equipment fault diagnosis and comprises a pressure measuring oil pipe, a pressure sensor, a connecting cable, a leakage communication device, a wireless communication terminal and a leakage communication handheld radio station. The pressure measuring oil pipe, the pressure sensor, the connecting cable and the wireless communication terminal are arranged on the hydraulic braking tractor, and the leakage communication device is arranged beside a running route of the winch electric control host and the braking vehicle. The device is reasonable in structural design and convenient to use, can effectively detect the working state of the hydraulic brake vehicle of the rope traction trapped rail vehicle in real time, and sends an emergency stop signal to a main control system of the rope traction trapped rail vehicle and notifies related workers to maintain when monitoring that th