Hoist lifting safety limiting device

The utility model discloses a hoist lifting safety limiting device, and relates to the technical field of hoist lifting workpiece equipment.The hoist lifting safety limiting device comprises a chain, a heavy hammer is arranged on the outer wall of the chain, a rotating plate is arranged above the heavy hammer, one end of the rotating plate is forked outside the chain, a first clamping plate and a second clamping plate are arranged above the rotating plate, and the chain is located between the first clamping plate and the second clamping plate; lug plates are fixedly connected to the left end and the right end of the end, outside the chain, of the rotating plate fork. The side, away from the first clamping plate, of the second clamping plate is fixedly connected with a support, the side, away from the second clamping plate, of the support is provided with a limiting switch body, and the side wall, away from the second clamping plate, of the inner side of the support is connected with a rotating shaft outer sle