Hoisting device for steel member

The utility model relates to a hoisting device for a steel member. The hoisting device comprises a sliding assembly and a hoisting assembly, wherein the sliding assembly is detachably clamped and sleeved on the steel member; the roller is mounted on the sliding component and is arranged on the steel member; the driving part is mounted on the sliding assembly and is in driving connection with the rollers, and the rollers are driven by the driving part to rotate, so that the sliding assembly moves back and forth along the steel member; the folding and unfolding assembly is mounted on the sliding assembly; the lifting rope is wound on the take-up and pay-off assembly, and the take-up and pay-off assembly can take up and pay off the lifting rope; the lifting hook is mounted at one end of the lifting rope away from the winding-unwinding assembly. According to the utility model, the problem of difficulty in hoisting construction in a limited space range in the prior art is solved. 本实用新型涉及一种钢构件用的吊装装置，包括：可拆卸地卡套于钢构件上的