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    • 2. 发明授权
    • Slewing type working machine
    • 回转式工作机
    • US09506220B2
    • 2016-11-29
    • US14339031
    • 2014-07-23
    • KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    • Yusuke Kamimura
    • F15B13/02E02F9/12F15B11/024F15B21/08E02F9/22F15B9/14F15B21/14
    • E02F9/123E02F9/2228E02F9/2285F15B9/14F15B11/024F15B13/024F15B21/082F15B21/087F15B21/14F15B2011/0243F15B2211/3116F15B2211/50527F15B2211/6313F15B2211/6316F15B2211/6336F15B2211/7058F15B2211/88
    • Provided is a slewing-type working machine capable of reducing back pressure generated during slewing. The slewing-type working machine includes: a base carrier; an upper slewing body; a hydraulic motor 11 including first and second ports 11a and 11b and slewing the upper slewing body; a hydraulic pump 10, a slewing operation device 12 including an operating member 12a; a control valve 13 controlling the hydraulic motor 11 based on the operation signal of the slewing operation device 12; first and second pipe-lines 14, 15 connecting the first and second ports 11a and 11b of the hydraulic motor 11 to the control valve; a communication switching device 25 and 26 capable of switching communication and cutting of between both pipe-lines 14, 15 and the tank T; and a switching command section 27 operating the communication switching devices 25 and 26, when the upper slewing body is slewed, to bring only a pipe-line, which corresponds to a discharge-side pipe-line of the hydraulic motor 11, of the pipe-lines 14 and 15 into communication with the tank T, while bypassing the control valve 13.
    • 提供了能够减少回转时产生的背压的回转式作业机。 回转式工作机包括:基座; 上部回转体; 包括第一和第二端口11a和11b并回转上部回转体的液压马达11; 液压泵10,包括操作构件12a的回转操作装置12; 基于回转运转装置12的运转信号控制液压马达11的控制阀13; 将液压马达11的第一和第二端口11a和11b连接到控制阀的第一和第二管道14,15; 能够切换管路14,15与箱体T的通信切断的通信切换装置25,26。 以及操作通信切换装置25,26的切换命令部27,当上部回转体旋转时,仅使与液压马达11的排出侧管线对应的管路成为管 - 线14和15与储罐T连通,同时绕过控制阀13。
    • 4. 发明授权
    • Torque generator steering device
    • 扭矩发电机转向装置
    • US5873243A
    • 1999-02-23
    • US997441
    • 1997-12-23
    • Sohan L. UppalLeslie J. Kasper
    • Sohan L. UppalLeslie J. Kasper
    • B62D5/09B62D5/097F04C2/10F04C15/00F15B9/14
    • F04C15/0076B62D5/097F04C2/103
    • A torque generator steering device (11) including a gerotor gear set (17) disposed adjacent an end cap (15) and having the input shaft (21) extending through the end cap and through the orbiting and rotating star member (31). The valving of the device, including a spool valve (37) and a sleeve valve (39), is disposed on the side of the gerotor gear set (17) toward an output shaft (23). Preferably, the input shaft (21) is integral with the spool valve (37), and the sleeve valve (39) is integral with the output shaft (23). A coupling arrangement (77) is provided to translate orbital and rotational movement of the star (31) into rotational follow-up movement of the sleeve valve (39). The result is a very short, compact torque generator having substantially reduced backlash between the input shaft (21) and the output shaft (23).
    • 扭矩发生器转向装置(11)包括设置在端盖(15)附近并具有延伸穿过端盖并通过绕动旋转星形构件(31)的输入轴(21)的摆轮齿轮组(17)。 包括滑阀(37)和套筒阀(39)的装置的阀门朝向输出轴(23)设置在摆线齿轮组(17)侧。 优选地,输入轴(21)与滑阀(37)成一体,并且套筒阀(39)与输出轴(23)成一体。 提供耦合装置(77)以将星形(31)的轨道和旋转运动转换成套筒阀(39)的旋转跟随运动。 结果是非常短,紧凑的扭矩发生器,其在输入轴(21)和输出轴(23)之间具有显着减小的间隙。
    • 5. 发明授权
    • Positioning drive, in particular for a machine tool
    • 定位驱动,特别是机床
    • US5794505A
    • 1998-08-18
    • US776639
    • 1997-01-21
    • Gunter FischerRainer Knoll
    • Gunter FischerRainer Knoll
    • F15B9/14B23Q16/06F15B11/046F15B11/12F15B15/28F15B15/26
    • B23Q16/065F15B11/046F15B11/126F15B15/28F15B2211/3056F15B2211/3111F15B2211/327F15B2211/329F15B2211/353F15B2211/7058F15B2211/71F15B2211/715F15B2211/78
    • A positioning drive having a hydraulic motor with a cam disc which is rotatable with a motor shaft and has a cam, a control valve which, with the hydraulic motor forms a unit with a housing and has a valve piston which is displaceable between several positions, a control element via which the valve piston can be supported on the cam disc, and an adjustment element which is operatively disposed between the control element and the valve piston and coaxial to the latter. The relative position between the valve piston and control element is variable by relative adjustment of the adjustment element with respect to the valve piston. The position of the adjustment element relative to the valve piston is securable by a releasable locking element. The outer of the two parts, valve piston and adjustment element, is guided outwards through the housing, and the locking element is accessible externally of the housing.
    • PCT No.PCT / EP95 / 02467 Sec。 371日期1997年1月21日 102(e)日期1997年1月21日PCT提交1995年6月24日PCT公布。 出版物WO96 / 03586 日期:1996年2月8日具有具有凸轮盘的液压马达的定位驱动器,所述凸轮盘可以与马达轴一起旋转并具有凸轮,所述控制阀与所述液压马达与壳体形成一个单元并具有阀活塞 可在几个位置之间移动,控制元件,阀活塞可以通过该控制元件支撑在凸轮盘上;以及调节元件,其可操作地设置在控制元件和阀活塞之间并与之同轴。 阀活塞和控制元件之间的相对位置可以通过调节元件相对于阀活塞的相对调节而变化。 调节元件相对于阀活塞的位置可由可释放的锁定元件固定。 两个部件的外部,阀门活塞和调节元件被引导向外通过壳体,并且锁定元件可从外壳的外部进入。