Hoisting tackle

The utility model relates to a hoisting tackle, include: atress pulley, web, strengthening rib, central intubate, outer peripheral edges rigid coupling in the inside of atress pulley of web wherein, central intubate runs through and rigid coupling in the center of web, and the strengthening rib is rigid coupling in the positive and negative of web uniformly respectively to the one end of strengthening rib and the periphery rigid coupling of central intubate, the other end and atress pulley rigid coupling. Hoisting tackle make by the Q235-A steel sheet. The atress for the pulley intermediate frequency cut one shot forming, its opening angle is 40-45. The utility model discloses a hoisting tackle intensity is high, safe, reliable, economy.