Movable type hanger of restricting greatly

The utility model discloses a movable type hanger of restricting greatly, including and can dismantling the U type bolt of being connected with derrick crossbeam parts, the bottom of U type bolt can be dismantled to be connected with and is used for U type bolt opening confined bottom plate, and the bottom plate links together through plain washer and slotted nut with U type bolt, one side of bottom plate is fixed to be equipped with the otic placode, is equipped with the through -hole that is used for the fixed seating ring of restricting greatly on the otic placode, and one side of otic placode is equipped with the opening with the through -hole intercommunication, lieing in the opening both sides on the otic placode and being equipped with little otic placode respectively, be connected with the round pin axle that is used for sealing the opening between two little otic placodes, sell the epaxial safety pin that is equipped with, the one end of round pin axle is equipped with breaks out, be equipped with re