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    • 4. 发明授权
    • Vibration suppressing sealing device for a rotary machine
    • 旋转机械的振动抑制密封装置
    • US4660838A
    • 1987-04-28
    • US839177
    • 1986-03-13
    • Kazuso KatayamaYasushi MoriHiroshi KankiShigeki MoriiKoji TakeshitaYutaka OzawaZenichi Yoshida
    • Kazuso KatayamaYasushi MoriHiroshi KankiShigeki MoriiKoji TakeshitaYutaka OzawaZenichi Yoshida
    • F16J15/40F01D25/18F04D29/12F16J15/44F16J15/54F16J15/16
    • F16J15/54F01D25/186F16J15/441Y10S277/916
    • In a sealing device for a rotary machine of the type that an annular groove is provided in an inner circumferential surface of a through-hole of a stationary member through which a rotary body supported rotatably by a bearing device extends, gap spaces between the rotary body and the both side portions of the stationary member on the opposite sides of the annular groove are sealed by seal rings, and a seal fluid feed hole for feeding a sealing fluid into the annular groove is provided in the stationary member; improvements are made in that a vibration suppressing movable ring is accommodated within the annular groove, the movable ring is mounted to the stationary member so as to be movable only in a radial direction so that an outside annular gap clearance may be formed between an outer circumferential surface of the movable ring and an inner circumferential surface of the annular groove and also an inside annular gap clearance may be formed between an inner circumferential surface of an inner hole of the movable ring and an outer circumferential surface of the rotary body which extends through the inner hole, the inside gap clearance is divided into a plurality of arcuate gap clearance sections, and the respective arcuate gap clearance sections a formed in a wedge-like shape that is gradually narrowed towards the downstream side in the direction of rotation of the rotary body.
    • 在用于旋转机械的密封装置中,环形槽设置在固定构件的通孔的内周面中,通过该固定构件的通孔可旋转地支撑由轴承装置延伸的旋转体,旋转体之间的间隙 并且固定构件在环形槽的相对侧的两侧部分被密封环密封,并且在固定构件中设置用于将密封流体供给到环形槽中的密封流体供给孔; 通过改善振动抑制活动环容纳在环形槽内,可移动环安装在固定件上,以便只能沿径向移动,从而可以在外周面 可动环的表面和环形槽的内周面以及内部环形间隙可以形成在可动环的内部孔的内周面和延伸穿过可动环的旋转体的外周面之间 所述内部间隙间隙分成多个弧形间隙间隙部,并且形成为楔形状的各自的弓形间隙间隙部分a朝向所述旋转体的旋转方向的下游侧逐渐变窄 。
    • 6. 发明授权
    • Method and system for controlling attitude of lifting load utilizing
gyro effect
    • 利用陀螺效应控制起重载荷姿态的方法和系统
    • US5816098A
    • 1998-10-06
    • US733015
    • 1996-10-16
    • Hiroshi KankiYoshitsugu NekomotoTatsuya WakisakaYasukuni KamimuraAtsuhiro DoyamaShuji OyagiKazunari FukudaYuichi IkedaFumihiro InoueKoji Watanabe
    • Hiroshi KankiYoshitsugu NekomotoTatsuya WakisakaYasukuni KamimuraAtsuhiro DoyamaShuji OyagiKazunari FukudaYuichi IkedaFumihiro InoueKoji Watanabe
    • B66C13/08
    • B66C13/08Y10T74/1218Y10T74/1289
    • A lifting load attitude controlling system includes a lifting load pivoting clutch (20) provided between a gyro frame (1) and a gimbal frame (6) for connecting and disconnecting therebetween. Also, a resetting rotating clutch is provided between a resetting rotation driving portion constituted of a resetting oblique rotation driving motor (19) for rotating a gimbal (8) upon returning the gimbal (8) at an initial position and a worm gear, and the gimbal (8) for connecting and disconnecting therebetween. Upon obliquely rotating the gimbal for returning to the initial position, the resetting rotating clutch is placed in the engaged or connected state and the lifting load pivoting clutch is placed in the disengaged or disconnected state. When the resetting rotation driving motor (19) is driven at this condition, a gyro moment is generated upon obliquely driving the gimbal toward the gyro frame (1) (lifting jig 4) via a variable constant torque motor (19) between the gyro frame (1) and a gimbal frame (6). However, since the gyro moment is much smaller than the inertia moment of the lifted load, it provides little influence relative to pivoting motion of the load.
    • 提升负载姿态控制系统包括设置在陀螺仪架(1)和万向架(6)之间的用于连接和断开的提升负载枢转离合器(20)。 另外,复位旋转离合器设置在由复位斜旋转驱动马达(19)构成的复位旋转驱动部,该复位旋转驱动马达在初始位置返回万向节(8)时使万向架(8)旋转,并且, 万向节(8)用于在它们之间连接和断开。 在将万向架倾斜旋转以返回到初始位置时,复位旋转离合器处于接合或连接状态,提升负载枢转离合器处于分离或断开状态。 当在该状态下驱动复位旋转驱动电动机(19)时,通过可变转矩电动机(19)向陀螺仪架(1)(提升夹具4)倾斜驱动万向架之间产生陀螺力矩,陀螺仪框架 (1)和万向架(6)。 然而,由于陀螺力矩远小于提升载荷的惯性力矩,所以它对负载的枢转运动几乎没有影响。
    • 7. 发明授权
    • Centrifugally operated axial and torsional vibration reducer for a
diaphragm coupling
    • 用于隔膜联轴器的离心式轴向和扭转减振器
    • US5755622A
    • 1998-05-26
    • US230797
    • 1994-04-21
    • Hiroshi KankiTadao YashikiKoichi AkagiTaku Ichiryu
    • Hiroshi KankiTadao YashikiKoichi AkagiTaku Ichiryu
    • F16D3/14F16D3/72F16D3/79F16D43/18F16D3/64
    • F16D3/14F16D3/72F16D3/79F16D43/18
    • A vibration reducer for a diaphragm coupling is capable of suppressing axial vibrations as well as torsional vibrations. A diaphragm pack 3 is mounted between a diaphragm mount flange 2 provided on an intermediate shaft 1 serving as a drive shaft and a shaft flange 4 of another shaft serving as a driven shaft. An elastic arm 5 extends through the diaphragm pack 3 and is mounted to the diaphragm mount flange 2. The elastic arm 5 is a cylindrical member, whose circumferential portion is severed by slits formed by wire-cutting. Free ends 5a of the elastic arm 5 are expanded in the radial directions by centrifugal forces caused by rotation of a shafts and come into pressure-contact with the liner member 8 formed integrally within a cylindrical portion 7 of the shaft flange 4. A part of a torque is thereby transmitted via the pressure-contact portion, and rigidity in the axial direction of the elastic arm 5 is added to that of the diaphragm pack 3 to suppress vibrations. An alternative construction has a large pressure-contact force caused by centrifugal forces realized by making use of centrifugal weights 22, a centrifugal weight holder 23, and an elongated bolt 24.
    • 用于隔膜联轴器的减振器能够抑制轴向振动以及扭转振动。 膜片组3安装在设置在用作驱动轴的中间轴1上的隔膜安装凸缘2和用作从动轴的另一个轴的轴凸缘4之间。 弹性臂5延伸穿过膜片组件3并安装在隔膜安装凸缘2上。弹性臂5是一圆柱形构件,其圆周部分被切线形成的狭缝切断。 弹性臂5的自由端5a通过由轴的旋转引起的离心力在径向方向上膨胀,并与与轴法兰4的圆柱形部分7中的整体形成的衬里构件8压力接触。 因此通过压力接触部分传递扭矩,并且将弹性臂5的轴向刚性添加到隔膜组件3的刚性以抑制振动。 替代结构具有由通过使用离心重物22,离心重量保持器23和细长螺栓24而实现的离心力引起的大的压力接触力。