Capacity-adjustable multi-petal grab bucket

The utility model discloses a capacity-adjustable multi-petal grab bucket, which is applied to the technical field of grab buckets, and comprises a fixed block, the top of the fixed block is bolted with a fixed cylinder, and the inside of the fixed cylinder is slidably sleeved with a connector; by means of the mode that the rotating cylinder is rotated, the rotating cylinder rotates to drive the connecting rod to move, the connecting rod moves to drive the clamping head to move, the clamping head moves to enable the clamping head to be disengaged from the inner wall of the fixing pin, and then the fixing pin is taken down, the purpose of convenient assembly and disassembly can be achieved, the workload is reduced, and the working efficiency is improved; the pull block moves to drive the clamping rod to move, the clamping rod moves to enable the clamping rod to be separated from the clamping groove, then the telescopic rod is moved to a needed position, the pull block is loosened, the clamping rod is clamped w