To provide a pendulum length setting device used for swing preventive control of a crane whererby the swing of a load can be suppressed by setting the length of a pendulum appropriately.SOLUTION: A pendulum length setting device used for swing preventive control of a crane includes rope length detection means for specifying a first distance Lf to a position Gf of a center of gravity of a suspending tool 5 from an unwinding position G0 of a rope 4 of a hoisting device 3 to be a fulcrum position of a pendulum, input means 8 for inputting a second distance Lw to a position Gw of a center of gravity of a suspended load 7 suspended through a slinging rope 6 from the position Gf of the center of gravity of the suspending tool 5, and display means 9 for visibly displaying a length Ls of the pendulum that is calculated by adding up the first distance Lf and the second distance Lw.SELECTED DRAWING: Figure 1
【課題】振り子長を適切に設定することによって、荷振れを抑制することができるクレーンの振れ止め制御に用いる振り子長の設定装置を提供すること。【解決手段】振り子の支点位置となる巻上装置3のロープ4の巻き出し位置G0から吊下具5の重心位置Gfまでの第1の距離Lfを特定するロープ長検出手段と、吊下具5の重心位置Gfから玉掛けロープ6を介して吊り下げられた吊荷7の重心位置Gwまでの第2の距離Lwを入力するための入力手段8と、第1の距離Lf及び第2の距離Lwを合算して算出される振り子長Lsを可視的に表示する表示手段9とを備える。【選択図】図1
PENDULUM LENGTH SETTING DEVICE USED FOR SWING PREVENTIVE CONTROL OF CRANE
クレーンの振れ止め制御に用いる振り子長の設定装置
2021-01-07
Patent
Electronic Resource
Japanese
IPC: | B66C Krane , CRANES |
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