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    • 4. 发明公开
    • DREDGING CUTTING WHEEL
    • SCHNEIDRAD BAGGERN
    • EP2986784A1
    • 2016-02-24
    • EP14722371.3
    • 2014-04-16
    • IHC Holland IE B.V.
    • VAN DER NEUT, Cornelis AlbertTOET, Vincent Leonard
    • E02F3/24E02F3/88E02F3/92E02F3/96E02F3/90
    • E02F3/9237E02F3/241E02F3/246E02F3/8841E02F3/905E02F3/968
    • Cutting wheel system (1) for a dredging device, comprising a cutting wheel (2) and a cutting wheel drive system (8), whereby the cutting wheel comprises at least two cutting element rings (3), which rings are positioned at a distance from each other in parallel planes whereby the cutting element rings have coaxial rotation axes (12,13), whereby a suction tube (7) can be positioned between the two cutting element rings (3), whereby the cutting wheel drive system is arranged to rotate the cutting wheel about the coaxial rotation axes, wherein the cutting wheel system further comprises connecting arms (9) for mounting the cutting wheel in a rotatable manner to the dredging device, wherein the connecting arms are moveable with respect to each other between a closed position wherein the connecting arms engage the cutting wheel from opposite sides of the cutting wheel, and an open position wherein the cutting wheel is released from the connecting arms.
    • 一种用于疏浚装置的切割轮系统(1),包括切割轮(2)和切割轮驱动系统(8),由此所述切割轮包括至少两个切割元件环(3),所述至少两个切割元件环 彼此在平行的平面中,由此切割元件环具有同轴旋转轴线(12,13),由此吸入管(7)可以位于两个切割元件环(3)之间,由此切割轮驱动系统被布置成 围绕同轴旋转轴旋转切割轮,其中切割轮系统还包括用于将切割轮以可旋转的方式安装到疏浚装置的连接臂(9),其中连接臂可相对于彼此在封闭 位置,其中所述连接臂从所述切割轮的相对侧接合所述切割轮,以及打开位置,其中所述切割轮从所述连接臂释放。
    • 10. 发明公开
    • Rotary rock and trench-cutting saw
    • 旋转岩石和旋转切割锯旋转岩石和切割锯
    • EP0268334A3
    • 1988-10-26
    • EP87202205
    • 1985-05-24
    • H.B. ZACHRY COMPANY
    • Marten, Edward N.
    • E21C31/00E02F05/08E21C25/16
    • E02F3/961B28D1/045B28D1/048B28D7/005E02D17/13E02F3/188E02F3/20E02F3/246E02F3/3677E02F3/3681E02F3/963E02F5/08E02F5/104E02F5/30E02F9/12E02F9/2866E21C25/16
    • A rotary trench cutting or rock milling saw unit (12) is supported on a head (18) for movement about two mutually perpendicular axes (50,62). The head is adapted for pivotal mounting on a backhoe boom (20) or similar positioning structure. Rotary rock cutting wheels are driven by a hydraulic motor and a support vehicle (24) for the saw unit includes a hydrostatic drive system with a variable displacement hydraulic pump driving variable displacement track drive motors which may be set in a slow speed operating mode for trench cutting operations or a high speed mode for tramming between work sites. A constant rate of power input to the saw unit is maintained by sensing saw drive motor supply pressure and adjusting tract drive motor supply pump displace­ment to maintain a constant feed or rock cutting rate. The apparatus includes hydraulically operated actuators for rotating the saw unit and its support boom about a vertical axis (40) with respect to the apparatus undercarriage, elevating the boom with respect to the undercarriage, and moving the saw unit about three mutually perpen­dicular axes (40,50,62) with respect to the support boom. Each of the actuators includes a control valve which may be selectively positioned to operate the actuators in reverse directions, lock the actuators in a predetermined position, or permit the actuators to oscillate or rotate the saw unit with respect to the various positioning axes of rotation when the saw unit is confined in a trench.
    • 旋转沟槽切割或摇滚锯单元被支撑在头部上以围绕两个相互垂直的轴线移动。 头部适于枢转安装在反铲吊杆或类似的定位结构上。 旋转岩石切割轮由液压马达驱动,并且用于锯单元的支撑车辆包括具有可变排量液压泵的静液压驱动系统,其驱动可变排量履带驱动马达,其可设置为用于沟槽切割操作的慢速操作模式或 用于在工作场所进行电车的高速模式。 通过检测锯驱动马达供应压力和调节驱动马达供应泵位移来维持输入到锯单元的恒定速率,以保持恒定的进给或岩石切割速率。 该装置包括液压操作的致动器,用于相对于装置起落架绕垂直轴线旋转锯单元及其支撑臂,相对于起落架升高悬臂,并且使锯单元相对于支撑件移动三个相互垂直的轴线 繁荣。 每个致动器包括控制阀,该控制阀可被选择性地定位成在相反的方向上操作致动器,将致动器锁定在预定位置,或允许致动器相对于各种定位旋转轴线摆动或旋转锯单元, 锯单元被限制在沟槽中。