Automatic detacher of under water hanging object

The utility model provides an automatic detacher of an under water hanging object, which comprises a lifting hook, a horizontal base is welded on one side, close to the bottom of the hook body, of the lifting hook, a vertical guiding rod is arranged on the horizontal base, the lower end of the vertical guiding rod is sleeved with a spring, the upper end of the guiding rod is sleeved and mounted with a sleeve, a rope detaching rod is connected at one end of the sleeve facing the hook head, the other end of the sleeve is connected with a handle, and one end of the rope casting rod is hinged with the lifting hook head. According to the automatic detacher of the under water hanging object provided by the utility model, the spring and the rope detaching rod mounted on the lifting hook are matched with each other, when the force of the rope detaching rod changes, the spring can spring the rope detaching rod and drives the steel wire rope of the object to detach the hook groove of the lifting hook, so as to leave the lifting hook, the technical problem that the under water hanging object is not easy to be detached is solved, the detacher is convenient to operate, safe and reliable, suitable for working efficiency improving, and especially suitable for automatic detaching of the under water hanging object.