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    • 4. 发明专利
    • Vibration control device
    • 振动控制装置
    • JP2010078096A
    • 2010-04-08
    • JP2008248719
    • 2008-09-26
    • Ohbayashi Corp株式会社大林組
    • KAGEYAMA MITSURUKATSUMATA HIDEO
    • F16F15/02E04H9/02
    • PROBLEM TO BE SOLVED: To provide a vibration control device capable of suppressing the vibration of an object to be controlled sufficiently even if an actuator fails.
      SOLUTION: This vibration control device 10 has a base isolation supporting body 20 for prolonging the proper period of a building 100 up to a long period and a vibration control mechanism 30 fixed on the ground 110 and the building 100 to suppress the vibration of the building 100. The vibration control mechanism 30 has the actuator 31 for displacing its distal end part into the predetermined direction and a damper 32 being extended and contracted in the predetermined direction to add a damping force to the building 100 and having one end in the direction of extension and contraction fixed on the distal end.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够即使执行器失效也能够充分抑制要被控制的物体的振动的振动控制装置。 解决方案:该振动控制装置10具有用于延长建筑物100的适当周期长时间的基座隔离支撑体20以及固定在地面110和建筑物100上以抑制振动的振动控制机构30 振动控制机构30具有致动器31,用于将其远端部分移动到预定方向,并且阻尼器32沿预定方向伸展和收缩,以向建筑物100增加阻尼力,并且其一端在 伸缩方向固定在远端。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Coupling vibration control device utilizing rotational inertia force
    • 耦合振动控制装置利用旋转惯性力
    • JP2003056204A
    • 2003-02-26
    • JP2001245374
    • 2001-08-13
    • Ohbayashi Corp株式会社大林組
    • KAGEYAMA MITSURU
    • E04H9/02F16F15/02F16H25/20F16H25/24
    • PROBLEM TO BE SOLVED: To provide a coupling vibration control device utilizing rotational inertia force which can be installed without occupying a wide space in an installing part of a house top part or the like and large rotational inertia force can be obtained. SOLUTION: A ball screw mechanism 14 arranged between two juxtaposed buildings 10 and 12 and taking out a relative displacement amount between both the buildings as a rotational amount of an output side member and a rotational mass body 20 for integrated on the output side member of the ball screw mechanism 14 and arranged between both the buildings are provided, and the rotational inertia force of the rotational mass body is made reaction force to obtain attenuation force. For instance, the output side member of the ball screw mechanism 14 is made a nut member 16 supported rotatably through a bearing member 22 in one building 10, the bearing member 22 can be rotated with a support shaft 26 in the horizontal direction, and a screw shaft member 18 of an input side screwed with and inserted in the nut member 16 is made an input side member. The base end of the screw shaft member 18 is rotatably supported with a support shaft 36 in the horizontal direction while regulating rotation around a shaft in the other building 12.
    • 要解决的问题:提供一种利用旋转惯性力的耦合振动控制装置,其可以安装在房屋顶部等的安装部分中而不占据较大空间并且可以获得大的旋转惯性力。 解决方案:一种滚珠丝杠机构14,布置在两个并置的建筑物10和12之间,并且在两个建筑物之间取出相对位移量作为输出侧构件和旋转质量体20的旋转量,用于集成在输出侧构件 提供了布置在两个建筑物之间的滚珠丝杠机构14,并且使旋转质量体的旋转惯性力作为反作用力以获得衰减力。 例如,滚珠丝杠机构14的输出侧部件形成为通过一个建筑物10中的轴承部件22可旋转地支撑的螺母部件16,轴承部件22能够在支撑轴26的水平方向上旋转, 拧入并插入螺母构件16的输入侧的螺杆轴构件18成为输入侧构件。 螺杆轴构件18的基端在水平方向上以支撑轴36可旋转地支撑,同时围绕另一建筑物12中的轴调节旋转。
    • 8. 发明专利
    • VIBRATION CONTROL DEVICE
    • JP2000291723A
    • 2000-10-20
    • JP10112899
    • 1999-04-08
    • OHBAYASHI CORP
    • KAGEYAMA MITSURU
    • E04H9/02F16F15/02
    • PROBLEM TO BE SOLVED: To provide a vibration control device, capable of obtaining large inertial resistance despite a small additional mass unit, enhancing a design freedom degree even in the case of applying in a long period structure, and reducing a cost with compactness. SOLUTION: A rotary inertia mechanism 24 and an active vibration control mechanism 40 are set up in an additional mass unit 16. A plurality of arms 30 are provided to protrude in the diametric direction in point symmetry relating to the center of rotation of a shaft 26 in both ends of the shaft 26 of the rotary inertia mechanism 24, and a rotary additional mass unit 32 is additionally provided in a tip end of the arms. Cables 34a, 34b of two systems extended along a locus in the swivel direction of the additional mass unit 16 are wound to the shaft 26. An end part of the cables 34a, 34b is fixed to a cable receiving part 36 respectively through a linear guide 38. The active vibration control mechanism 40 connects a second additional mass unit 40a to a movable part.
    • 9. 发明专利
    • MASS BODY MOVEMENT CONTROL METHOD FOR VIBRATION DAMPING DEVICE
    • JPH10299825A
    • 1998-11-13
    • JP10442597
    • 1997-04-22
    • OHBAYASHI CORP
    • KAGEYAMA MITSURU
    • E04H9/02F16F15/02G05D19/02
    • PROBLEM TO BE SOLVED: To enhance vibration damping efficiency by reciprocating a mass body with a neutral point as a reference point at all times by controlling a mass body with making a displacement as a factor while the displacement output of the mass body is made proportional to command voltage. SOLUTION: A product (block B1) of an output of a vibration sensor and a regulator gain G is converted (block B3) into a time history signal through a filter B2, and its result is multiplied by a scalar gain GO so as to allow command voltage to be determined (block B4). The command voltage V is outputted (block B5) to an AC servo motor of a damping device so as to allow a mass body to be moved. The displacement of the output and velocity of the mass body are detected (block B6) so as to be slightly fed-back to command voltage just before it is inputted to the aforesaid AC servo motor by means of a closed minor loop. When the displacement of the mass body exceeds the limit of a stroke by 80%, correction is made (block B7), in which a scalar gain GO at every moment is lowered down to a 80% stroke value. Correction that GO is increased upto a target value, is made (block B8) in the following one quarter period of time after the maximum value of one half period (TO) required by the reciprocal movement of the mass body 14 has been observed.
    • 10. 发明专利
    • DAMPER
    • JPH10176438A
    • 1998-06-30
    • JP33722196
    • 1996-12-17
    • OHBAYASHI CORPTOKICO LTD
    • KAGEYAMA MITSURUKOBAYASHI TAKAHIDE
    • E04H9/02F16F15/02
    • PROBLEM TO BE SOLVED: To move additional mass by a specific distance irrespective of scale of vibration to effect damping. SOLUTION: A damper 1 is so constituted that a dynamic damper 3 installed on the roof floor of a building 2 drives additional masses 6 (6a-6c) with control signals from a controller 4 to damp vibration of the building 2. An operational device 22 of the controller 4 obtains the additional masses 6 in accordance with detection signals from sensors 171 -175 . First electromagnet or second electromagnet provided to the additional masses 6b and 6c is excited. When vibration of the building 2 is in a small scale, the electromagnet is not excited, the additional mass 6a is only driven. When vibration of the building 2 is in a middle scale, the first electromagnet is excited, and the additional masses 6a and 6b are combined with each other and are monolithically driven. When vibration of the building 2 is in a large scale, first and and second electromagnets are excited, the whole additional masses 6a-6c are combined with each other and are monolithically driven.