The invention discloses an emergency stop signal emitting device, which comprises a casing member, a spring component, a swing stem component, a jacking rod, a hydraulic component, a damping piece and a signal emitter, wherein the casing member is a cuboid box-shaped component; the spring component is mounted on the upper left part of the casing member; the swing stem component is arranged in the middle of the casing member and elastically connected with the spring component; the hydraulic component is arranged at the lower left part of the casing member, in power connection with the swing stem component through the jacking rod, and provided with a pump station interface connected with a hydraulic system of a braking vehicle; the signal emitter is arranged in the center of the right part of the casing member; a control end of the signal emitter is in power connection with the swing stem component; and the damping piece is arranged in a position between the circumferential sides of the signal emitter and the casing member. The emergency stop signal emitting device is mounted in the braking vehicle of an endless-rope continuous tractor, when a damper brake of the braking vehicle falls off, the device can emit a signal for stopping the operation of the endless-rope winch.