Asynchronous orange-peel bucket of band pulley bar stay

The utility model discloses a sheave strut asynchronous multi-flap grab bucket, is one of the grab buckets used in wharfs and freight transporting places. The utility model is composed of a support rope 1, an open and close rope 2, a central post 4, a strut upper hinge-axis 9, a strut 10, a fixed pulley block 11, a strut lower hinge-axis 13 and bucket flaps 14 and so on. The utility model is characterized in that, the central post 4 is a hollow structure, the outer wall thereof is arranged with symmetric groove profile slide ways 4-1, the two side walls of every groove profile slide way is provided with guide grooves 4-1.1, the strut upper hinge-axis 9 is arranged with a strut pulley 7, one support rope balancing device is respectively arranged inside and outside of the central post 4, the support rope balancing device is composed of a lower direction altering pulley 12 and an upper direction altering pulley 3 arranged outside, N (N>=1) one time balance pulleys and one time balance ropes, 2*N second time balance pulleys and second time balance rope and fixing pins. The utility model has advantages of simple structure, convenient, safe, reliable performance, being able to asynchronously grasp goods, long service life.