Tension releasing mechanism and tension releasing equipment for sleeper

The utility model relates to the technical field of sleeper processing equipment, in particular to a releasing mechanism and releasing equipment for a sleeper, the releasing mechanism comprises a locking nut and a releasing clamping jaw, the releasing clamping jaw and the locking nut are oppositely arranged, the releasing clamping jaw is driven by a power source to rotate in one direction, a spring is arranged between the releasing clamping jaw and the power source, and the releasing clamping jaw is driven by the locking nut to rotate in one direction. The releasing clamping jaw can abut against the end of the locking nut under the telescopic action of the spring so as to form clamping connection. The tension releasing equipment comprises a jacking mechanism, a walking mechanism and a tension releasing mechanism, the tension releasing mechanism is fixed to the main frame, the main frame is slidably connected with the walking mechanism, the walking mechanism can move the tension releasing mechanism in the long