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    SWING RELIEF ENERGY REGENERATION APPARATUS OF AN EXCAVATOR
    74.
    发明公开
    SWING RELIEF ENERGY REGENERATION APPARATUS OF AN EXCAVATOR 审中-公开
    设备技术装袋机摆动放电能量回收

    公开(公告)号：EP2787129A1

    公开(公告)日：2014-10-08

    申请号：EP11876700.3

    申请日：2011-12-02

    申请人： Volvo Construction Equipment AB

    发明人： KIM, Sung-Gon ,  KIM, Jae-Hong

    IPC分类号： E02F9/22 ,  F15B11/024 ,  E02F9/12

    CPC分类号： E02F9/2217 ,  E02F9/123 ,  E02F9/2289 ,  E02F9/2296 ,  F15B11/024 ,  F15B21/14 ,  F15B2011/0243 ,  F15B2211/20546 ,  F15B2211/625 ,  F15B2211/7058 ,  F15B2211/88

    摘要： Disclosed is a swing relief energy regeneration apparatus in which working oil relieved into a hydraulic tank is stored in a pressure accumulator during swing and deceleration to recycle the stored pressure. The swing relief energy regeneration apparatus includes: a hydraulic pump and hydraulic motor; a swing motor connected to the hydraulic pump through first and second paths; a flow rate control valve controlling the working oil supplied from the hydraulic pump into the swing motor; a first passage having both ends branched and connected to the first and second paths to allow the working oil to move in one direction toward the first or second path from the hydraulic tank; a second passage defined parallel to the first passage and having both ends branched and connected to the upstream sides of the first and second paths to allow the working oil to move in one direction toward the hydraulic tank from the first or second path; a pressure accumulator disposed in a recycling path having one end connected to the second passage and the other end connected to the hydraulic motor to store the working oil relieved into the hydraulic tank; and a sluice valve opened to supply the working oil into the hydraulic motor from the pressure accumulator when the manipulation amount of a manipulation lever for controlling the operation of the excavator exceeds a set value.

    Turning speed reducer for the turntable of an excavator
    75.
    发明公开
    Turning speed reducer for the turntable of an excavator 审中-公开
    巴格杰斯（Drehgeschwindigkeitsbegrenzerfürden Drehtisch）

    公开(公告)号：EP2784226A2

    公开(公告)日：2014-10-01

    申请号：EP14161537.7

    申请日：2014-03-25

    申请人： SUMITOMO HEAVY INDUSTRIES, LTD.

    发明人： Okada, Takeshi ,  Inada, Akihiko ,  Matsugi, Terukazu ,  Hiranuma, Kazunori

    IPC分类号： E02F9/12 ,  E02F9/20 ,  F16H1/00

    摘要： A shovel includes a turning drive unit. The turning drive unit includes a turning electric motor, a turning speed reducer configured to transmit the rotational driving force of the turning electric motor to a turnable body, and a brake unit configured to maintain the turnable body in a state where the turning of the turnable body is stopped. The turning speed reducer includes a planetary speed reducer including a planetary carrier. The planetary carrier includes an output shaft part that forms an output shaft and a carrier part that holds a planetary gear in such a manner as to allow the rotation of the planetary gear. The output shaft part and the carrier part are fastened by a fastening member.

    摘要翻译： 铲子包括转向驱动单元。 转向驱动单元包括转向电动机，将转向电动机的旋转驱动力传递到可转动体的转向减速器，以及制动单元，其被构造成将可转动体保持在转动状态 身体停了 转向减速器包括行星减速器，行星减速器包括行星齿轮架。 行星架包括形成输出轴的输出轴部分和以允许行星齿轮旋转的方式保持行星齿轮的托架部分。 输出轴部和承载部由紧固部件固定。

    DREHVERBINDUNG
    76.
    发明公开
    DREHVERBINDUNG 审中-公开
    旋转连接

    公开(公告)号：EP2724052A1

    公开(公告)日：2014-04-30

    申请号：EP12725346.6

    申请日：2012-05-23

    申请人： Schaeffler Technologies GmbH & Co. KG

    发明人： MONTAG, Tobias ,  DITTRICH, Thomas

    IPC分类号： F16H19/00 ,  B66C23/84 ,  E02F9/12 ,  F03D11/02

    CPC分类号： F16H7/00 ,  B66C23/84 ,  E02F9/123 ,  F16H19/001 ,  F16H2019/085

    摘要： The invention relates to a rotary connection for cranes, wind power plants, solar panels and the like, having an outer ring (1) and having an inner ring (2) which are arranged so as to be rotatable relative to one another, and also having a rotary drive (5). An inexpensive rotary drive, which takes up little installation space, for the rotary connection is attained according to the invention in that the rotary drive (5) is arranged within the inner ring (2) and acts on the inner ring (2) via a wraparound element (7; 17, 18). Without departing from said design principle, it may also be provided that the rotary drive is arranged within the outer ring (1) and acts on the outer ring (1), which is to be rotated, via a wraparound element. The wraparound element may be a flexible tensile element (7), for example a cable, a flat belt or a chain, or else may be a thrust element (17) which is flexurally rigid in a transverse direction, for example a thrust belt, a thrust chain or a thrust link belt.