Flange spreader used in the heat treatment step

Flange spreader is a new kind flange spreader tool of public use lifting, usually using mechanical flange spreader, whose task is to make it and placed in the wells annealing heat treatment equipment 6-8 meters in diameter when wind power flange connection or placement hoisting breaking easy to operate and reliable. The technical program elements are: at a position below the lifting rings are provided with a hanging chain cloth cage, the lifting chain a, the lifting chain, b, c of the rear end of the lifting chain head are provided with a hook , hook b, hook c; the hook with a, hook b, hook the bottom end of the c is provided with a left hook under the vertical curved feet under hook feet toes pointing wind power flange axis position, no slippage between the upper surface of the lower hook and the bottom surface of the foot of the wind power flange.