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    • 2. 发明申请
    • CONSTRUCTION MACHINE
    • 建筑机械
    • US20140161578A1
    • 2014-06-12
    • US14232637
    • 2012-10-03
    • HITACHI CONSTRUCTION MACHINERY, CO., LTD.
    • Shogo KimuraHiroshi Tabeta
    • E02F9/16B66C13/54E02F3/30
    • E02F9/16B60N2/79B66C13/54E02F3/30E02F3/325E02F9/2004
    • An operator's seat mounting section (11) that is positioned in back side of a floor member (10) includes a seat plate (11D) for mounting an operator's seat (14) and an equipment mounting part (11F) that rises upward from the right side of the seat plate (11D), and a right operating lever assembly (16) is provided in front of the equipment mounting part (11F). A controller accommodating space (21) is provided to be positioned in back side of a console (16A) of the right operating lever assembly (16) and between a side surface (11F1) of the equipment mounting part (11F) of the operator's seat mounting section (11) and the operator's seat (14), and a controller (27) is mounted in the controller accommodating space (21) to control various kinds of electric equipment.
    • 位于地板构件(10)的后侧的操作者座椅安装部(11)包括用于安装操作者座椅(14)的座板(11D)和从右侧向上升起的设备安装部(11F) 座部板(11D)的一侧,右侧操作杆组件(16)设置在设备安装部(11F)的前方。 控制器容纳空间(21)被设置为位于右操作杆组件(16)的操纵台(16A)的后侧并且位于操作者座椅的设备安装部分(11F)的侧表面(11F1)之间 安装部分(11)和操作者座椅(14),并且控制器(27)安装在控制器容纳空间(21)中以控制各种电气设备。
    • 4. 发明授权
    • Construction machine
    • 施工机械
    • US09303389B2
    • 2016-04-05
    • US14451479
    • 2014-08-05
    • HITACHI CONSTRUCTION MACHINERY CO., LTD.
    • Yohei IwamotoJunya KawamotoOsamu KokuryouHiroshi Tabeta
    • E02F9/08E02F3/32E02F9/22
    • E02F9/0875E02F3/32E02F3/325E02F9/2267
    • A control valve block is mounted on a bottom plate of a revolving frame through a control valve block mounting plate. In this case, a left support member and a right support member are provided on a back surface of the control valve block mounting plate at two spots with equal distances sandwiching a center position of gravity (G) of the control valve block. The left and right support members are mounted on a support beam provided on the bottom plate of the revolving frame. On the other hand, a weight-reducing part is provided at a part in the bottom plate of the revolving frame away from the support beam. The control valve block which is a heavy article is stably supported on the bottom plate at two spots sandwiching its center position of gravity (G). Moreover, the weight of the revolving frame can be reduced by the weight-reducing part.
    • 控制阀块通过控制阀块安装板安装在旋转框架的底板上。 在这种情况下,在控制阀块安装板的后表面上设置有左右支撑构件和右侧支撑构件,该两个位置以等间距夹着控制阀块的重心(G)。 左和右支撑构件安装在设置在旋转框架的底板上的支撑梁上。 另一方面,减重部件设置在旋转架的底板的远离支撑梁的部分。 作为重物品的控制阀块在夹着其中心重心位置(G)的两个位置处稳定地支撑在底板上。 此外,可以通过减重部件来减小旋转框架的重量。
    • 7. 发明授权
    • Construction machine
    • 施工机械
    • US09534354B2
    • 2017-01-03
    • US15213011
    • 2016-07-18
    • Hitachi Construction Machinery Co., Ltd.
    • Daisuke YamamotoYohei IwamotoHiroshi TabetaOsamu KokuryoJunya Kawamoto
    • B62D55/00E02F9/02E02F9/16E02F9/20B62D55/06B62D55/084
    • E02F9/024B62D33/06B62D55/06B62D55/084B62D55/10E02F9/16E02F9/2004
    • Disclosed is a construction machine that enables an operator to operate a vehicle width changing control lever while visually confirming positions of crawlers. The construction machine includes a lower track structure 1 whose left and right crawler track devices 11A and 11B are adapted to change in spatial interval, and an upper swing structure 2 swingably mounted above the lower track structure. The construction machine further includes a hydraulically actuated cylinder for changing vehicle width, disposed between the left and right crawler track devices, the vehicle width changing cylinder changing the interval between the left and right crawler track devices upon supply and discharge of a hydraulic fluid being controlled by a vehicle width changing control valve, and a vehicle width changing control lever 34 disposed on a left section of a swing body support structure 50 relative to an operator's seat 23, the vehicle width changing control lever operating the vehicle width changing control valve.
    • 公开了一种施工机械,其能够使操作者在视觉上确认履带的位置的同时操作车宽变更控制杆。 施工机械包括其左履带装置和左履带装置11A和11B适于改变空间间隔的下履带结构1和可摆动地安装在下履带结构上的上摆动结构2。 施工机械还包括设置在左履带装置和右履带装置之间的用于改变车辆宽度的液压致动缸,车宽度改变缸改变被控制的液压流体供给和排出时左右履带装置之间的间隔 通过车宽变更控制阀,以及相对于操作者座椅23设置在摆动体支撑结构50的左侧部分的车宽变更控制杆34,车宽变更控制杆操作车宽变更控制阀。
    • 9. 发明申请
    • Pilot Valve Attachment Structure of Construction Machine
    • 施工机械先导阀附件结构
    • US20140306488A1
    • 2014-10-16
    • US14360950
    • 2012-10-02
    • Hitachi Construction Machinery Co., Ltd.
    • Tomoyuki TanakaHiroshi Tabeta
    • E02F9/16
    • E02F9/16E02F3/325E02F9/0833E02F9/0875E02F9/2004
    • Provided is a pilot valve attachment structure of a construction machine which can reduce an oppressive sensation that an operator sitting on an operator's seat may feel. The present invention is provided in a compact excavator having a travel operation device 11 including a pilot valve 18, and configured such that the pilot valve 18 is attached to a floor plate 15, wherein a recessed part 20 having a hole 20b, into which a casing 18a forming an outer frame of the pilot valve 18 can be inserted, on a bottom part 20a thereof is provided on the floor plate 15, the casing 18a of the pilot valve 18 is attached to the bottom part 20a of the recessed part 20 in a state where the casing 18a of the pilot valve 18 is inserted into the hole 20b of the recessed part 20, and a mat shaped seal member 21 for sealing a space that is formed around the casing 18a of the pilot valve 18 when the casing 18a is inserted into the hole 20b of the recessed part 20.
    • 提供了一种施工机械的先导阀附接结构,其可以减少坐在操作者座椅上的操作员感觉到的压迫感。 本发明提供一种具有行程操作装置11的紧凑型挖掘机,该行驶操作装置11包括先导阀18,并且构造成使先导阀18附接到地板15,其中具有孔20b的凹部20, 形成先导阀18的外框架的壳体18a可以插入在底板15的底部20a上,先导阀18的壳体18a被安装在凹部20的底部20a上 先导阀18的壳体18a被插入到凹部20的孔20b中的状态,以及垫状密封构件21,用于密封在壳体18a上形成在先导阀18的壳体18a周围的空间 插入到凹部20的孔20b中。