Special hoisting disk for hoisting sun gears

• Main Authors: FENG TIANJING, YANG YU
• Format: Patent
• Language: Chinese; English
• Published: 19.01.2011
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The utility model relates to a special hoisting tool for safely hoisting and stacking sun gears of various specifications during gear milling, gear grinding and other working procedures, particularly to a special hoisting disk for hoisting sun gears. The special hoisting disk comprises a primary disk, a secondary disk, two hoisting rings and two wire ropes. The primary disk has concentric stepped holes, a 15-degree conical surface is arranged between every two stepped holes to form a conical groove, an opening is formed on one side of the groove, and the width of the opening is consistent with the diameter of the stepped hole; and two threaded through holes are formed on the primary disk in the positions close to the outer edge and are in threaded connection with the two hoisting rings. The two wire ropes pass through the two hoisting rings respectively to be hung on a crane hoisting hook. The secondary disk has the same structure as the primary disk, is smaller the primary risk in size, and is used in coordi