PROBLEM TO BE SOLVED: To provide a dynamic vibration absorber for an elevator, which can suppress the vibration of a rope homogeneously in an arbitrary horizontal direction against the transverse vibration of the rope.SOLUTION: A mass addition mechanism of a pendulum structure type, comprises: a main rope holding member 1 (a balance rope holding member 6) for holding a plurality of main ropes R1 (or balance ropes R2) at a position upper (lower) position of at least one of two end portions of the plurality of main ropes R1 (or balance ropes R2); a plurality of link members 2 connected to the main rope holding member 1 through a universal joint 21 and hung oscillatably at the universal joint 21; and an added mass body 3 connected to the tips of the individual link members 2 and suspended downward of the main rope holding member 1 (or the balance rope holding member 6).
【課題】ロープの横振れに対し、任意の水平方向においてロープの振動を一様に抑制できるエレベータ用動吸振器を提供する。【解決手段】複数の主ロープR1(釣合ロープR2)の両端部のうち少なくとも一方の端部より上方(下方)位置において、これらを一体的に束ねて保持する主ロープ保持部材1(釣合ロープ保持部材6)と、これらに自在継手21を介して連結され、自在継手21を支点として揺動自在に垂下された複数のリンク部材2と、各リンク部材2の先端部に連結されて主ロープ保持部材1(釣合ロープ保持部材6)の下方に吊り下げられた付加質量体3と、を備えた振り子構造型の質量付加機構から構成した。【選択図】図2
DYNAMIC VIBRATION ABSORBER FOR ELEVATOR
エレベータ用動吸振器
2015-11-12
Patent
Elektronische Ressource
Japanisch