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    CONSTRUCTION MACHINE
    3.
    发明公开
    CONSTRUCTION MACHINE 有权
    施工机械

    公开(公告)号：EP2317017A1

    公开(公告)日：2011-05-04

    申请号：EP09802766.7

    申请日：2009-04-21

    申请人： Hitachi Construction Machinery Co., Ltd

    发明人： OKADA, Kazumasa ,  NAKAMURA, Masao ,  MATSUSHITA, Makoto

    IPC分类号： E02F9/00 ,  B62D25/10 ,  B66C23/62

    CPC分类号： B62D25/12 ,  B66C23/62 ,  E02F9/00 ,  E02F9/0816 ,  E02F9/0891

    摘要： An intermediate plate member (22) having a plate thickness equal to or less than that of a door body (19) is provided between the door body (19) and a reinforcing member (24) constituting a right side door (18). The door body (19) and the intermediate plate member (22) are jointed by spot welding, and the intermediate plate member (22) and the reinforcing member (24) are jointed by fillet welding, thereby jointing the reinforcing member (24) through the intermediate plate member (22) on the inner side surface (19A) of the door body (19). Thereby, at the time of jointing the door body (19) and the intermediate plate member (22) by welding, the intermediate plate member (22) having the strength lower than that of the door body (19) can be distorted by priority, thus restricting the generation of distortion in the door body (19) and keeping the outer appearance beauty of the right side door (18) in good conditions.

    摘要翻译： 在门体（19）与构成右侧门（18）的加强部件（24）之间设置有板厚等于或小于门体（19）的板厚的中间板部件（22）。 门体19和中间板部件22通过点焊接合，中间板部件22和加强部件24通过角焊接接合而将加强部件24贯通 位于门体19的内侧面19A上的中间板部件22。 由此，在通过焊接将门体（19）和中间板部件（22）接合时，强度比门体（19）低的中间板部件（22）优先发生扭曲， 因此限制了门体（19）的变形的产生，并且保持了右侧门（18）的良好外观美感。

    VIBRATION-DAMPING SUPPORT DEVICE
    4.
    发明公开
    VIBRATION-DAMPING SUPPORT DEVICE 有权
    SCHWINGUNGSDÄMPFUNGSSTÜTZVORRICHTUNG

    公开(公告)号：EP2253864A1

    公开(公告)日：2010-11-24

    申请号：EP09712020.8

    申请日：2009-02-20

    申请人： Hitachi Construction Machinery Co., Ltd

    发明人： NAKAMURA, Masao

    IPC分类号： F16F15/08 ,  B60K5/12 ,  F16F1/36 ,  F16F1/38

    CPC分类号： F16F1/3735 ,  F16F1/3732

    摘要： PROBLEM: To provide a vibration-damping support device that requires a smaller space for its own installation.
    SOLUTION: A vibration-damping support device is provided with a rubber mount 2, a support member supporting the rubber mount 2 thereon, and stoppers 8, 9. The rubber mount 2 is to be attached to a mounting platform 1a for an object which is installed in a hydraulic excavator and is to be damped, for example, an engine 1 that vibrates in vertical and horizontal directions, and has an elastic member of a rubber or like member for absorbing vibrations of the engine 1. The support member can be, for example, a support bracket 3 to be fixedly secured on an unillustrated revolving frame. The stoppers 8, 9 are arranged integrally with the support bracket 3, and prevent an excessive deformation of the elastic member of the rubber mount 2 under vibrations of the engine 1. The stopper 8 is arranged on an upper side of the support bracket 3, while the stopper 9 is arranged on a lower side of the support bracket 3. The stoppers 8, 9 are formed of plural plate members 8a, 8b, 9a, 9b, which are each of a circular arc shape as viewed in plan.

    摘要翻译： 问题：提供一个减振支持装置，需要较小的空间进行安装。 解决方案：减振支撑装置设有橡胶支架2，支撑橡胶支架2的支撑部件和止动器8,9。橡胶支架2将被安装到用于物体的安装平台1a上 安装在液压挖掘机中并且被阻尼，例如在垂直和水平方向上振动的发动机1，并且具有用于吸收发动机1的振动的橡胶或类似构件的弹性构件。支撑构件可以是， 例如，固定地固定在未示出的回转框架上的支撑托架3。 止动件8,9与支撑托架3一体地布置，并且防止橡胶支架2的弹性构件在发动机1的振动下的过度变形。止动件8布置在支撑托架3的上侧， 同时止动件9布置在支撑托架3的下侧。止动件8,9由平面图中的每个圆弧形状的多个板构件8a，8b，9a，9b形成。

    CONSTRUCTION MACHINE
    6.
    发明公开
    CONSTRUCTION MACHINE 有权
    施工机械

    公开(公告)号：EP3101181A1

    公开(公告)日：2016-12-07

    申请号：EP15742779.0

    申请日：2015-01-14

    申请人： Hitachi Construction Machinery Co., Ltd.

    发明人： KUMAGAI, Hiroshi ,  MIZOGUCHI, Kazuhiko ,  NAKAMURA, Masao ,  ISHIBASHI, Hideto

    IPC分类号： E02F9/00 ,  E02F9/08 ,  F01N3/28

    CPC分类号： E02F9/0866 ,  B60K13/04 ,  B60Y2200/412 ,  E02F9/0816 ,  F01N13/009 ,  F01N13/1805 ,  F01N2470/18 ,  F01N2590/08

    摘要： A post-treatment device mounting frame (20) on which an exhaust gas post-treatment device (13) is mounted is constituted by a front mounting leg (21), a rear mounting leg (24), and a deck (27) connecting the front and rear mounting legs (21) and (24) to each other. A vertical leg part (22) of the front mounting leg (21) is mounted on a front vertical leg part mounting plate (5F) of a right front extension beam (5E2). A lateral leg part (23) of the front mounting leg (21) is mounted on a front lateral leg part mounting plate (5M) of a right front engine support bracket (5K). A vertical leg part (25) of the rear mounting leg (24) is mounted on a rear vertical leg part mounting plate (5G) of a right rear extension beam (5E3). A lateral leg part (26) of the rear mounting leg (24) is mounted on a rear lateral leg part mounting plate (5N) of a right rear engine support bracket (5L). Therefore, the post-treatment device mounting frame (20) is firmly mounted in a state of four-point support on a revolving frame (5).

    摘要翻译： 其上安装有废气后处理装置（13）的后处理装置安装框架（20）由前安装支腿（21），后安装支腿（24）以及连接板（27）构成 前部和后部安装支腿（21）和（24）相互连接。 前安装支脚（21）的垂直支脚部分（22）安装在右前延伸梁（5E2）的前垂直支脚安装板（5F）上。 前安装支腿（21）的侧腿部（23）安装在右前发动机支撑托架（5K）的前侧横腿部安装板（5M）上。 后安装支脚（24）的垂直支脚部分（25）安装在右后延伸梁（5E3）的后垂直支脚部分安装板（5G）上。 后安装脚（24）的侧脚部（26）安装在右后发动机支撑托架（5L）的后侧脚部安装板（5N）上。 因此，后处理装置安装框架20在回转框架5上以四点支撑的状态牢固地安装。

    CONSTRUCTION MACHINE
    8.
    发明公开
    CONSTRUCTION MACHINE 有权
    施工机械

    公开(公告)号：EP2163693A1

    公开(公告)日：2010-03-17

    申请号：EP08740463.8

    申请日：2008-04-09

    申请人： Hitachi Construction Machinery Co., Ltd

    发明人： MATSUSHITA, Makoto ,  NAKAMURA, Masao ,  TAMURA, Kazuhisa

    IPC分类号： E02F9/00

    CPC分类号： E02F9/18 ,  B62D49/085 ,  E02F9/0891

    摘要： A counterweight (8) is attached to the rear side of a revolving frame (6), and an engine (9) is mounted in a transverse direction in front of the counterweight (8). A heat exchanger (12) is located on the left side of the engine (9), and left-hand side door (17) is located on the left side of the heat exchanger (12). An air cleaner (24) is accommodated in an air cleaner chamber (19) which is provided in a space enclosed by the counterweight (8), left-hand side door (17) and heat exchanger (12). In this state, a casing (25) of the air cleaner (24) having an opening portion (25A) to permit insertion and extraction of the filter element (26) and said opening portion (25A) is disposed in such a way as to face the left-side door (17). Thus, at the time of a maintenance work for the air cleaner (24), one can draw out the filter element (26) from the opening portion (25A) of the casing (25) simply by opening the left-hand side door (17).

    摘要翻译： 配重（8）安装在回转框架（6）的后侧，发动机（9）沿横向安装在配重（8）的前方。 热交换器（12）位于发动机（9）的左侧，左侧的车门（17）位于热交换器（12）的左侧。 在空气滤清器室（19）内收容有空气滤清器（24），该空气滤清器室设置在由配重（8），左侧门（17）和热交换器（12）围成的空间内。 在这种状态下，具有开口部（25A）的空气净化器（24）的壳体（25）以允许插入和拔出过滤器元件（26）和所述开口部（25A）的方式设置 面对左侧门（17）。 因此，在进行空气净化器24的维护作业时，仅通过打开左侧的侧门就能够从壳体25的开口部25A拉出过滤器元件26， 17）。