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17 条记录 (耗时 0.015 秒)

    CONSTRUCTION MACHINE
    2.
    发明公开
    CONSTRUCTION MACHINE 审中-公开
    施工机械

    公开(公告)号：EP2679730A1

    公开(公告)日：2014-01-01

    申请号：EP12749206.4

    申请日：2012-01-06

    申请人： Hitachi Construction Machinery Co., Ltd.

    发明人： SATO Kensuke ,  NAKAMURA Tsuyoshi ,  KOBAYASHI Takahiro ,  AZUMA Hiroyuki

    IPC分类号： E02F9/18 ,  E02F9/00

    CPC分类号： E02F9/0866 ,  B62D49/085 ,  E02F3/30 ,  E02F9/18

    摘要： On a rear part side of a revolving frame (5) constituting an upper revolving structure (3), a counterweight (7) holding weight balance with a working mechanism (4) is provided, and on the front side of the counterweight (7), an engine (9) and an exhaust gas post-treatment device (21) for applying purification treatment to an exhaust gas of the engine (9) are provided. The exhaust gas post-treatment device (21) is configured by connecting a PM trapping filter device (22) and an NOx purifying device (23), and the PM trapping filter device (22) is mounted on the engine (9), while the NOx purifying device (23) is mounted on the counterweight (7). When the counterweight (7) is to be removed from the revolving frame (5), the NOx purifying device (23) is supported by a treatment device support bracket (26) mounted on the engine (9). As a result, the counterweight (7) can be removed while the PM trapping filter device (22) and the NOx purifying device (23) are connected.

    摘要翻译： 在构成上部回转体（3）的回转框架（5）的后部侧，设有与工作机构（4）保持重量平衡的对重（7），在对重（7）的前侧， ，发动机（9）和用于对发动机（9）的排气进行净化处理的排气后处理装置（21）。 废气后处理装置21通过连接PM捕集过滤装置22和NOx净化装置23而构成，PM捕集过滤装置22安装在发动机9上， NOx净化装置（23）安装在配重（7）上。 当将配重7从旋转架5上卸下时，NOx净化装置23由安装在发动机9上的处理装置支承托架26支承。 其结果是，能够在PM捕集过滤器装置（22）和NOx净化装置（23）连接的状态下拆下配重（7）。

    CONSTRUCTION MACHINE
    3.
    发明公开
    CONSTRUCTION MACHINE 审中-公开
    施工机械

    公开(公告)号：EP2679426A1

    公开(公告)日：2014-01-01

    申请号：EP12750244.1

    申请日：2012-01-19

    申请人： Hitachi Construction Machinery Co., Ltd.

    发明人： KOBAYASHI Takahiro ,  NAKAMURA Tsuyoshi ,  SATO Kensuke ,  AZUMA Hiroyuki

    IPC分类号： B60K13/04 ,  E02F9/00 ,  F01N13/08

    CPC分类号： E02F9/0866 ,  B60K13/04 ,  B60W2300/17 ,  F01N13/1816 ,  F01N13/1822 ,  F01N2530/22 ,  F01N2590/08

    摘要： On an upper revolving structure (3), an engine (8) having an exhaust port (9A) is mounted. In the midway portion of the exhaust pipe (16) connecting the exhaust port (9A) of the engine (8) and an exhaust gas post-treatment device (22), a first bellows pipe (18) and a second bellows pipe (20) are arranged through a connecting pipe (19) having an L-shaped bending portion (19A) . In this case, the first bellows pipe (18) and the second bellows pipe (20) are arranged so as to have a positional relationship in which axis lines thereof (X1-X1, Z1-Z1) cross each other. That is, the first bellows pipe (18) is arranged in a horizontal direction so that its axis line (X1-X1) extends in the left-right direction of the upper revolving structure (3). The second bellows pipe (20) is arranged so that its axis line (Z1-Z1) matches the vertical direction of the upper revolving structure (3).

    摘要翻译： 在上部回转体（3）上安装具有排气口（9A）的发动机（8）。 在连接发动机（8）的排气口（9A）和废气后处理装置（22）的排气管（16）的中途部分，设置有第一波纹管（18）和第二波纹管 ）通过具有L形弯曲部分（19A）的连接管（19）布置。 在这种情况下，第一波纹管18和第二波纹管20布置成具有其轴线（X1-X1，Z1-Z1）彼此交叉的位置关系。 即，第一波纹管（18）以其轴线（X1-X1）沿上部回转体（3）的左右方向延伸的方式沿水平方向配置。 第二波纹管（20）以其轴线（Z1-Z1）与上部回转体（3）的上下方向一致的方式配置。

    HYDRAULIC EXCAVATOR ATTACHMENT CONTROL DEVICE
    4.
    发明公开
    HYDRAULIC EXCAVATOR ATTACHMENT CONTROL DEVICE 审中-公开
    STE UNG ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER ER

    公开(公告)号：EP2535468A1

    公开(公告)日：2012-12-19

    申请号：EP10845805.0

    申请日：2010-11-29

    申请人： Hitachi Construction Machinery Co., Ltd.

    发明人： AZUMA Hiroyuki ,  NAKAMURA Tsuyoshi ,  OKANO Yasuo ,  ISHIKAWA Kouji

    IPC分类号： E02F9/22 ,  E02F9/24 ,  F15B20/00

    CPC分类号： E02F9/2228 ,  E02F3/963 ,  E02F3/966 ,  E02F9/2282 ,  E02F9/2292 ,  E02F9/2296

    摘要： In an attachment control apparatus for a hydraulic excavator having a hydraulic circuit that includes a hydraulic pump 3, a plurality of actuators having a breaker 110 which is an attachment actuator, and a plurality of flow control valves having an attachment flow control valve B4 that is switched by operation pilot pressure from a control pedal device 7 to supply delivery fluid of the hydraulic pump 3 to the attachment actuator, if the control pedal device 7 is operated in a state where an attachment mode is not selected by an attachment selection device 20, the movement of the attachment actuator is limited. Thus, failure and reduced life of the attachment and other hydraulic devices can be prevented in the event that an operator has forgotten to switch from a normal mode to an attachment mode and has operated the attachment.

    摘要翻译： 在具有包括液压泵3的液压回路的液压挖掘机的安装控制装置中，具有作为安装致动器的断路器110的多个致动器和具有附接流量控制阀B4的多个流量控制阀 如果控制踏板装置7在附件选择装置20没有选择附接模式的状态下操作，则由操纵踏板装置7的操作先导压力切换以将液压泵3的输送流体供应到附件致动器， 附件致动器的移动受到限制。 因此，在操作者已经忘记从正常模式切换到附接模式并且已经操作附件的情况下，可以防止附件和其他液压装置的故障和减少的寿命。

    CONSTRUCTION MACHINE
    5.
    发明公开
    CONSTRUCTION MACHINE 有权
    施工机械

    公开(公告)号：EP2722446A1

    公开(公告)日：2014-04-23

    申请号：EP12801426.3

    申请日：2012-05-14

    申请人： Hitachi Construction Machinery Co., Ltd.

    发明人： KOBAYASHI Takahiro ,  NAKAMURA Tsuyoshi ,  SATO Kensuke ,  AZUMA Hiroyuki

    IPC分类号： E02F9/00

    CPC分类号： E02F9/0858 ,  B60K13/04 ,  B60Y2200/412 ,  E02F3/30 ,  E02F9/0833 ,  E02F9/0866 ,  E02F9/0875 ,  E02F9/0883 ,  E02F9/0891 ,  F01N2590/08 ,  F01N2610/1406

    摘要： On the right front side of a revolving frame (5) constituting an upper revolving structure (3), an operating oil tank (11) and a fuel tank (12) are arranged. On the front side of this operating oil tank (11) and the fuel tank (12), an equipment accommodating case (13) forming an accommodating space (13A) inside is provided. In the accommodating space (13A) in the equipment accommodating case (13), a control valve unit (20) for controlling supply/discharge of the operating oil and a urea water tank (24) storing urea water for removing nitrogen oxides contained in an exhaust gas of the engine (8) are arranged together.

    摘要翻译： 在构成上部回转体（3）的回转框架（5）的右前侧配置有工作油箱（11）和燃料箱（12）。 在该操作油箱（11）和燃料箱（12）的前侧设有在内部形成收容空间（13A）的设备收容箱（13）。 在设备收纳壳体（13）的收纳空间（13A）内设置有控制工作油的供给/排出的控制阀单元（20），和储存尿素水的尿素水箱（24） 发动机（8）的排气被布置在一起。

    HYDRAULIC DRIVE DEVICE FOR WORKING MACHINE
    6.
    发明公开
    HYDRAULIC DRIVE DEVICE FOR WORKING MACHINE 有权
    水力发电机

    公开(公告)号：EP2711559A1

    公开(公告)日：2014-03-26

    申请号：EP12786437.9

    申请日：2012-05-17

    申请人： Hitachi Construction Machinery Co., Ltd.

    发明人： NAKAMURA Tsuyoshi ,  NAKAMURA Kazunori ,  OKANO Yasuo ,  ISHIKAWA Kouji ,  SATO Kensuke ,  AZUMA Hiroyuki ,  KANEHAMA Mitsuhiko ,  KAJITA Yusuke

    IPC分类号： F15B11/00 ,  E02F9/22 ,  F15B11/02 ,  F15B11/024 ,  F15B11/17

    CPC分类号： F15B15/20 ,  E02F9/123 ,  E02F9/2217 ,  E02F9/2242 ,  E02F9/2285 ,  E02F9/2292 ,  E02F9/2296

    摘要： To enable combined operation of boom raising and arm crowding without providing a throttle and also enable arm crowding operation in the same manner as in the case where a regenerative circuit having a throttle is provided. The invention provides a hydraulic drive device for a hydraulic excavator, including: a first hydraulic pump (11) ; a first boom directional control valve (19) and a second arm directional control valve (18) which are connected in parallel to the first hydraulic pump (11); a second hydraulic pump (12); and a second boom directional control valve (22) and a first arm directional control valve (23) which are connected in parallel to the second hydraulic pump (12) ; wherein: the hydraulic drive device also includes: a third hydraulic pump (13); a third boom directional control valve (33) connected to the third hydraulic pump (13) and controlling the flow of pressure oil supplied to a boom cylinder (7); and a third arm directional control valve (34) connected in tandem with the third boom directional control valve (33) and controlling the flow of pressure oil supplied to an arm cylinder (8).

    摘要翻译： 为了能够在不设置节气门的情况下实现起重臂抬起和斗臂组合的组合操作，并且以与设置有节气门的再生回路的情况相同的方式实现斗斗的拥挤操作。 本发明提供一种用于液压挖掘机的液压驱动装置，包括：第一液压泵（11）; 与第一液压泵（11）并联连接的第一起重臂方向控制阀（19）和第二臂方向控制阀（18）; 第二液压泵（12）; 和与第二液压泵（12）并联连接的第二起重臂方向控制阀（22）和第一臂方向控制阀（23）。 其中：所述液压驱动装置还包括：第三液压泵（13）; 与第三液压泵（13）连接并控制供给到动臂缸（7）的压力油流的第三动臂式换向阀（33）。 以及与第三动臂方向控制阀（33）串联连接并控制供给到手臂缸（8）的压力油的流动的第三臂方向控制阀（34）。

    AQUEOUS UREA TANK STRUCTURE FOR CONSTRUCTION MACHINE
    7.
    发明公开
    AQUEOUS UREA TANK STRUCTURE FOR CONSTRUCTION MACHINE 审中-公开
    WÄSSRIGEHARNSTOFFTANKSTRUKTURFÜREINE BAUMASCHINE

    公开(公告)号：EP2664757A1

    公开(公告)日：2013-11-20

    申请号：EP12734250.9

    申请日：2012-01-10

    申请人： Hitachi Construction Machinery Co., Ltd.

    发明人： KOBAYASHI Takahiro ,  NAKAMURA Tsuyoshi ,  SATO Kensuke ,  AZUMA Hiroyuki

    IPC分类号： F01N3/08

    CPC分类号： F01N3/2066 ,  F01N2610/1406 ,  Y02A50/2325 ,  Y02T10/24 ,  Y10T137/85978

    摘要： [Problem] To provide an aqueous urea tank structure for a construction machine, in which the rise of the temperature of the aqueous urea within the aqueous urea tank can be suppressed and the load applied to the aqueous urea tank due to vibration of a vehicle body can be reduced.
    [Solution] An aqueous urea tank structure for a hydraulic excavator (1), the aqueous urea tank structure being provided in the hydraulic excavator (1) which has a revolving upperstructure (3), an engine disposed within the revolving upperstructure (3), and a hydraulic pump driven by the drive force of the engine, the aqueous urea tank structure including an aqueous urea tank (11) which is disposed within the revolving upperstructure (3) to store aqueous urea (11a) that purifies the exhaust gas discharged from the engine, wherein: the aqueous urea tank structure further includes a securing member which encloses the periphery of the aqueous urea tank (11) to secure the aqueous urea tank (11) within the revolving upperstructure (3), and heat insulating materials (13a, 13b) which are interposed between the securing member and the aqueous urea tank (11) to hold the aqueous urea tank (11); and the securing member contains a box (12).

    摘要翻译： 本发明提供一种用于建筑机械的尿素水箱结构，其中可以抑制尿素水溶液中的尿素水溶液的温度升高，并且由于车体的振动而施加到尿素水箱的载荷 可以减少 [解决方案]一种液压挖掘机（1）的尿素水箱结构，在具有旋转上部结构（3）的液压挖掘机（1）中设置有尿素水箱结构，设置在旋转上部结构（3）内的发动机， 以及由所述发动机的驱动力驱动的液压泵，所述尿素水箱结构体包括尿素水箱（11），所述尿素水箱（11）设置在所述旋转上部结构（3）内，以储存尿素（11a），所述水性尿素（11a）净化从 发动机，其中：所述尿素水箱结构还包括固定构件，所述固定构件包围所述尿素水箱（11）的周围，以将所述尿素水箱（11）固定在所述旋转上部结构（3）内;以及绝热材料（13a ，13b），其夹在所述固定构件和所述尿素水箱（11）之间以保持所述尿素水箱（11）; 并且所述固定构件包含盒（12）。

    RELIEF PRESSURE CONTROL DEVICE FOR HYDRAULIC WORK MACHINE
    8.
    发明公开
    RELIEF PRESSURE CONTROL DEVICE FOR HYDRAULIC WORK MACHINE 审中-公开
    ÜR INE INE INE INE INE INE INE INE INE INE INE INE INE INE INE INE INE INE INE

    公开(公告)号：EP2657536A1

    公开(公告)日：2013-10-30

    申请号：EP11850636.9

    申请日：2011-12-07

    申请人： Hitachi Construction Machinery Co., Ltd.

    发明人： AZUMA Hiroyuki ,  NAKAMURA Tsuyoshi ,  TSUKADA Hidenobu ,  SATO Kensuke ,  OKANO Yasuo

    IPC分类号： F15B11/028 ,  E02F9/22

    CPC分类号： F04B7/00 ,  E02F9/2235 ,  E02F9/2282 ,  E02F9/2285 ,  E02F9/2296 ,  F15B13/044 ,  F15B19/002 ,  F15B2211/411 ,  F15B2211/41527 ,  F15B2211/50518 ,  F15B2211/5159 ,  F15B2211/526 ,  F15B2211/6309 ,  F15B2211/665 ,  F15B2211/6653

    摘要： [Problem] To provide a relief pressure control system for a hydraulic working machine, which can realize control of a relief pressure of a variable solenoid relief valve without actuation of working equipment.
    [Solution] A relief pressure control system is provided with a controller (13) for outputting, responsive to an adjustment signal outputted from a dial switch (12), a control signal to control a relief pressure of a variable solenoid relief valve (10a or10b), a display unit (14) for displaying, responsive to display signals outputted from the controller (13), a relationship between a circuit pressure outputted from a pressure sensor (11) and a pressure required by a hydraulic cylinder (1), and a control device (6) constituting a start instruction unit for instructing a start of control of the variable solenoid relief valve (10a or10b). Stop valves (15a, 15b) are arranged sections of main lines (9a, 9b), which communicate a directional control valve (4) and the hydraulic cylinder (1) with each other, to open or close the section. The sections are located between positions on the main lines, where the variable solenoid relief valves (10a,10b) are connected to the main lines, respectively, and the hydraulic cylinder (1).

    摘要翻译： [问题]提供一种用于液压工作机械的安全压力控制系统，其可以在不致动工作设备的情况下实现可变电磁阀安全阀的安全压力的控制。 [解决方案]一种安全压力控制系统，具有控制器（13），用于响应于从拨盘开关（12）输出的调节信号，输出控制信号，以控制可变电磁阀安全阀（10a或10b）的释放压力 ），显示单元（14），响应于从控制器（13）输出的显示信号，显示从压力传感器（11）输出的电路压力与液压缸（1）所需的压力之间的关系;以及 构成用于指示开始可变电磁阀安全阀（10a或10b）的控制的起动指令单元的控制装置（6）。 截止阀（15a，15b）是使方向控制阀（4）和液压缸（1）彼此连通的主管线（9a，9b）的布置部分，以打开或关闭该部分。 这些部分位于主线路上的可变电磁溢流阀（10a，10b）分别连接到主管线和液压缸（1）之间的位置之间。