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A platform for research: civil engineering, architecture and urbanism
ROTATIONAL INERTIA MASS DAMPER
PROBLEM TO BE SOLVED: To provide a rotational inertia mass damper capable of restricting an axial reaction force generated in response to an inputted vibration when vibration having excessive acceleration is inputted and further capable of preventing the damper itself or its structure from being damaged in advance.SOLUTION: There are provided a first connecting part 10 fixed to a first structure; a second connecting part 11 connected to a second structure; a screw shaft 30 having one shaft end connected to the first connecting part 10 and held to be immovable; a fixing cylinder having a hollow part storing the screw shaft 30 and connected to the second connecting part 11; and a rotary body rotatably held in respect to the fixing cylinder, threadably engaged with the screw shaft 30, reciprocated and rotated. Between the shaft end of the screw shaft 30 and the first connecting part 10 is arranged a torque limiting member 3 allowing the screw shaft 30 to rotate in respect to the first connecting part 10 to reduce a rotating angle of the rotor when the rotating torque exceeding a specified value acts.SELECTED DRAWING: Figure 1
【課題】過大な加速度を有する振動が入力された場合に、当該入力振動に応じて発生する軸方向反力を可及的に小さく抑えることができ、ダンパそのもの、又は構造物の破損を未然に防止することが可能な回転慣性質量ダンパを提供する。【解決手段】第一の構造体に固定される第一連結部１０と、第二の構造体に連結される第二連結部１１と、一方の軸端が前記第一連結部１０に接続されて回転不能に保持されるねじ軸３０と、前記ねじ軸３０を収容する中空部を有すると共に前記第二連結部１１に接続される固定筒と、前記固定筒に対して回転自在に保持されると共に前記ねじ軸３０に螺合し往復回転する回転体とを備え、前記ねじ軸３０の軸端と前記第一連結部１０の間には、所定値を超える回転トルクが作用した際に、前記第一連結部１０に対する前記ねじ軸３０の回転を許容して前記回転体の回転角を減じるトルク制限部材３を設けている。【選択図】図１
ROTATIONAL INERTIA MASS DAMPER
PROBLEM TO BE SOLVED: To provide a rotational inertia mass damper capable of restricting an axial reaction force generated in response to an inputted vibration when vibration having excessive acceleration is inputted and further capable of preventing the damper itself or its structure from being damaged in advance.SOLUTION: There are provided a first connecting part 10 fixed to a first structure; a second connecting part 11 connected to a second structure; a screw shaft 30 having one shaft end connected to the first connecting part 10 and held to be immovable; a fixing cylinder having a hollow part storing the screw shaft 30 and connected to the second connecting part 11; and a rotary body rotatably held in respect to the fixing cylinder, threadably engaged with the screw shaft 30, reciprocated and rotated. Between the shaft end of the screw shaft 30 and the first connecting part 10 is arranged a torque limiting member 3 allowing the screw shaft 30 to rotate in respect to the first connecting part 10 to reduce a rotating angle of the rotor when the rotating torque exceeding a specified value acts.SELECTED DRAWING: Figure 1
【課題】過大な加速度を有する振動が入力された場合に、当該入力振動に応じて発生する軸方向反力を可及的に小さく抑えることができ、ダンパそのもの、又は構造物の破損を未然に防止することが可能な回転慣性質量ダンパを提供する。【解決手段】第一の構造体に固定される第一連結部１０と、第二の構造体に連結される第二連結部１１と、一方の軸端が前記第一連結部１０に接続されて回転不能に保持されるねじ軸３０と、前記ねじ軸３０を収容する中空部を有すると共に前記第二連結部１１に接続される固定筒と、前記固定筒に対して回転自在に保持されると共に前記ねじ軸３０に螺合し往復回転する回転体とを備え、前記ねじ軸３０の軸端と前記第一連結部１０の間には、所定値を超える回転トルクが作用した際に、前記第一連結部１０に対する前記ねじ軸３０の回転を許容して前記回転体の回転角を減じるトルク制限部材３を設けている。【選択図】図１
ROTATIONAL INERTIA MASS DAMPER
回転慣性質量ダンパ
WATANABE YOSHIHITO (author) / TOMONO RYOJI (author) / NAKAMURA TAKUSEI (author) / NAKAMURA MAKOTO (author)
2017-05-18
Patent
Electronic Resource
Japanese