The utility model belongs to the technical field of the technique of lifting by crane and specifically relates to an indoor middle -size and small -size equipment hoisting accessory that is can the space -rated little, weight of equipment is big, including the crossbeam, bracing piece and lifting hook, the lifting hook is connected with the crossbeam, its characterized in that crossbeam both ends are connected with the bracing piece respectively, the bracing piece lower extreme is equipped with the same hydraulic cylinder respectively, hydraulic cylinder establishes on taking the base of gyro wheel, hydraulic cylinder's telescopic link is connected with the bracing piece, the one end of locating plate is sold the axle and is articulated mutually with a base, locating plate other end spaced is equipped with positioning groove and is connected with reference column on another base through positioning groove, simple to operate has, the operation is thus simple, safety and reliability, time saving and labor saving, hoisting weight is big, hoist height is moderate, advantages such as operating efficiency height.