Locking device with emergency unlocking hole

The utility model provides a locking device with an emergency unlocking hole, and relates to the technical field of locking equipment, the locking device comprises a clamping hook assembly and a locking assembly, the clamping hook assembly comprises a telescopic clamping hook, a fixed clamping hook and a telescopic structure, and the telescopic clamping hook and the fixed clamping hook are both connected to the telescopic structure; the locking assembly comprises a locking structure, a hand wheel, a lock cylinder outer cover and an identification pasting film, the locking structure is connected to the telescopic structure, the hand wheel is rotatably connected to the locking structure, the hand wheel can lock or release the telescopic structure in the rotating process, the locking structure comprises a lock cylinder, the lock cylinder outer cover is provided with a lock hole and a standby lock hole corresponding to the lock cylinder, and the identification pasting film is arranged in the lock hole. The identi