Tool lifting device for aloft work

The tool lifting device comprises an elevator, a spool, a fixed pulley and a rope, the elevator is a two-section elevator composed of an upper ladder body and a lower ladder body, the upper ladder body is arranged on the lower ladder body in a telescopic mode, the upper ladder body and the lower ladder body are each provided with a plurality of foot rest levers, and the spool is arranged on the lower ladder body. The spool is detachably arranged on the right side of the lower portion of the lower ladder, the fixed pulley is arranged on the right side of the upper portion of the upper ladder, the head end of the rope is wound around the spool, and the tail end of the rope is wound around the fixed pulley and used for being connected with a lifted object. The spool is provided with a crank used for driving the spool to rotate. The lifting device is simple and firm in structure, adopts cooperation of the manually-driven I-shaped wheel and the fixed pulley, is suitable for lifting various tools on the detection s