Hoisting device for wind wheel system

The utility model relates to a hoisting device for a wind wheel system, and belongs to the field of wind power generation. Comprising two variable-pitch bearing hanging bases, three variable-pitch bearings, a hub, three blades and two shackles, the three variable-pitch bearings sleeve the roots of the three blades in a one-to-one correspondence mode, the blades are fixed to the hub through the variable-pitch bearings to form a Y-shaped wind wheel system, the two variable-pitch bearing hanging bases correspond to each other in a one-to-one correspondence mode, and the two shackles are arranged on the hub in a one-to-one correspondence mode. And the two shackles are detachably installed on the left variable pitch bearing and the right variable pitch bearing of the wind wheel system, and the two shackles correspond to the two variable pitch bearing hanging bases one to one and are detachably connected with the two variable pitch bearing hanging bases. According to the utility model, the variable-pitch bearing li