| 摘要 |
PROBLEM TO BE SOLVED: To enlarge a range of the traverse motion of a hoisting accessory without enlarging a crane device and improve the working efficiency. SOLUTION: First traverser wire ropes 19, 20 are connected to right connecting part 24 of a traverser 23, second traverser wire ropes 25, 26 are connected to a left connecting part 29, wire ropes 31, 32 for first hoisting accessory are hung on a right rope pulley 37 through the traverser 23 and then connected with the traverser 23, on the other hand, wire ropes 39, 40 for second hoisting accessory are hung on a left rope pulley 45 through the traverser 23 and connected with the traverser 23, and the hoisting accessory 46 is hung down on the left and right rope pulleys 37, 45.
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