(1) First prepare a trolley wheel so that it can move freely.

(2) Vertically weld one on the axle rod of the trolley wheel φ 50 galvanized steel pipe with height of 500mm.

(3) One galvanized steel pipe is welded horizontally φ The length of 50 galvanized steel pipe is 3500mm, of which one end is 1000mm away from the vertical steel pipe and the other end is 2500mm away from the vertical steel pipe.

(4) One 1t shackle shall be fixed (not welded) at the end of the short arm.

(5) A stone fixture is installed at the end of the shackle, and a simple replacement curb hoisting equipment is completed.