Lifting device that uses in installation of steel construction purlin

The utility model relates to a lifting device that uses in installation of steel construction purlin. The the device bottom surface is the trapezoid support, and the welding has the parallel reinforcing bar of linking in the upper and lower base of 2-3 root and trapezoid support between two hypotenuses of this trapezoid support, the welding has the reinforcing bar stand on linking the reinforcing bar, the welding of trapezoid support base has 1-2 root side support, and this side support other end is in the same place with the welding of reinforcing bar stand, the welding has the steel loop on the reinforcing bar stand extreme point, the welding has fixed plate washer on two hypotenuses of trapezoid support, the welding of trapezoid support upper base edge has " U " shape base. The utility model discloses demolish simplification, the installation is simple, and the sound construction is indeformable, the purlin installation operation of being convenient for, and the transportation is nimble convenient, and it is very convenient to be under construction, and purlin installation forming rate reaches 100%, satisfies drawing dimensional requirement completely, saves a large amount of manpower, material resources and financial resources, has improved work efficiency in steel construction purlin installation procedure.