Crab Hoist Crane

What is a Hoist? A hoist is a machine that performs a single task very well: lifting and lowering a load on a vertical plane (Figure 1, Motion 3). Hoists are situated on the primary horizontal beam of the crane, called the bridge girder.INTRODUCTION. The double rail crab is a wire rope electric hoist fitted on a double rail trolley frame, just like a crab doing cross-traveling on a double girder overhead crane or gantry crane Hoist Crab are an essential part of material handling industry and effectively serve the purpose of lifting and shifting loads in areas where it is not possible / necessary to install cranes.