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    COMMUNICATION SYSTEM FOR WORKING MACHINES
    4.
    发明公开
    COMMUNICATION SYSTEM FOR WORKING MACHINES 审中-公开
    KOMMUNIKATIONSSYSTEMFÜRARBEITSMASCHINEN

    公开(公告)号：EP1284326A4

    公开(公告)日：2009-09-02

    申请号：EP01932181

    申请日：2001-05-22

    申请人： HITACHI CONSTRUCTION MACHINERY

    发明人： WATANABE HIROSHI ,  SHIBATA KOICHI ,  SUGIYAMA GENROKU ,  HIRATA TOICHI ,  ADACHI HIROYUKI ,  KOMATSU HIDEKI ,  OCHIAI YASUSHI

    IPC分类号： E02F3/30 ,  E02F9/20 ,  G05B15/02 ,  G05B19/418 ,  G05B23/02 ,  G05D1/02 ,  G08G1/13 ,  H04L12/58 ,  H04M11/00

    CPC分类号： G05B15/02 ,  E02F3/30 ,  E02F9/2025 ,  G05B19/4185 ,  G05B2219/31365 ,  G05D1/0285 ,  H04L51/00 ,  Y02P90/10 ,  Y02P90/14 ,  Y02P90/18

    摘要： Provided is a communication system for working machines, which makes it possible to transmit desired messages from sites, where the working machines are arranged, to their corresponding work administration centers at timings as needed. When a mail switch 10 arranged on a working machine 7 is operated to send information to a server 1, a terminal user-company identification unit 14 identifies, on the basis of a terminal information database 18, a user to which the information so received is to be sent. A user-company-dependent mail selection unit 15 selects customer information 19a on the user from a customer database 19. At a transmission mail creation unit 16, a corresponding new message 16a is created. The mail is then transmitted from a mail output unit 17. In this manner, a desired message can be sent from each working machine 7 at aremote location to the corresponding user at a timing as needed.

    摘要翻译： 提供了一种用于工作机器的通信系统，其使得可以根据需要以定时将其发送到其对应的工作管理中心的工作机器所在的站点传送所需的消息。 操作布置在工作机器7上的邮件开关10被操作以向服务器1发送信息时，终端用户公司识别单元14根据终端信息数据库18识别所接收到的信息的用户 将被寄出。 与用户公司相关的邮件选择单元15从用户数据库19中选择用户的顾客信息19a。在传输邮件创建单元16，创建相应的新消息16a。 然后从邮件输出单元17发送邮件。以这种方式，可以在需要时的定时将期望的消息从各工作机器7在等待位置发送到对应的用户。

    WORK SUPPORT AND MANAGEMENT SYSTEM FOR WORKING MACHINE
    5.
    发明公开
    WORK SUPPORT AND MANAGEMENT SYSTEM FOR WORKING MACHINE 审中-公开
    ARBEITSUNTERST TZUNGS- UND -MANAGEMENTS SYSTEM F RARBEITSMASCHINE

    公开(公告)号：EP1635003A4

    公开(公告)日：2009-04-15

    申请号：EP04746327

    申请日：2004-06-17

    申请人： HITACHI CONSTRUCTION MACHINERY

    发明人： OGURA HIROSHI ,  ISHIBASHI HIDETO ,  HATORI KEIJI ,  WATANABE HIROSHI

    IPC分类号： E02F9/26 ,  E02F9/20 ,  G06T17/05

    CPC分类号： G07C3/08 ,  E02F9/26

    摘要： A display table (47) and a display contents table (48) that are memory means exclusively used for display are provided in an excavation support database (40). A condition of a work region for each mesh is memorized in the display table (47), and an identification display method (display color) mapped to the condition of each mesh is memorized in the display contents table (48). The display contents table (48) is caused to refer to the condition (height) of each mesh in the display table (47) and a corresponding display color is read in. Then the conditions of work regions are displayed using different colors. This work support and management system can be used for different kinds of working machines and created at low cost and with ease.

    摘要翻译： 在挖掘支持数据库（40）中提供专门用于显示的存储装置的显示表（47）和显示内容表（48）。 每个网格的工作区域的条件被存储在显示表（47）中，并且映射到每个网格的条件的识别显示方法（显示颜色）被存储在显示内容表（48）中。 使显示内容表（48）参照显示表（47）中的每个网格的条件（高度）并读入相应的显示颜色。然后使用不同的颜色显示工作区域的条件。 这种工作支持和管理系统可以用于不同种类的工作机器，并且成本低且易于创建。

    DEVICE FOR CONTROLLING LIMITED-AREA EXCAVATION WITH CONSTRUCTION MACHINE
    7.
    发明公开
    DEVICE FOR CONTROLLING LIMITED-AREA EXCAVATION WITH CONSTRUCTION MACHINE 失效
    VORRICHTUNG ZUR REGULATION DER AUSHEBETIEFE EINER BAUNMASCHINE

    公开(公告)号：EP0979901A4

    公开(公告)日：2000-06-14

    申请号：EP98928541

    申请日：1998-06-18

    申请人： HITACHI CONSTRUCTION MACHINERY

    发明人： WATANABE HIROSHI ,  FUJISHIMA KAZUO ,  HAGA MASAKAZU

    IPC分类号： E02F3/43 ,  E02F9/22

    CPC分类号： E02F9/2296 ,  E02F3/437 ,  E02F9/2203 ,  E02F9/2285

    摘要： A device for controlling limited-area excavation, wherein an area where a front device (1A) can move is set in advance; a control unit (9) calculates the position and attitude of the front device (1A) based upon signals from angle sensors (8a to 8c); a limit value (a) of the speed of the fore end of a bucket is calculated so as to limit the moving speed of the front device in a direction perpendicular to the boundary of the area, when the front device is close to the boundary of the preset area where the front device is; the limit value (a) is corrected by the load pressure of an arm cylinder (3b) sensed by a pressure sensor (41a); a limit value of the component, normal to the boundary of the preset area, of the speed of the fore end of the bucket moved by a boom is found from the limit value (a); and an operation signal of the boom is so corrected that the speed of the fore end of the bucket moved by the boom does not exceed the limit value. This makes it possible to excavate the preset area up to the boundary without being affected by the hardness of the soil to be excavated by using a simple program.

    摘要翻译： 预先设置前置装置1A可移动的区域。 控制单元9基于来自角度传感器8a-8c等的信号来计算前部装置1A的位置和姿势。当前部装置位于其边界附近的设定区域内时，控制单元9计算限制值a 铲斗前端速度使得前部装置沿与设定区域的边界垂直的方向的移动速度受到限制，然后根据由压力传感器41a检测到的手臂缸3b的负载压力来修正极限值a 。 另外，从极限值a进一步计算与起动区域的边界垂直的起重臂相关铲斗前端速度的分量的极限值，然后修改动臂运行信号，使得动臂依赖铲斗前端速度将 不超过上限值。 因此，地面可以挖掘到设定区域的边界，而不受待挖掘的地面的硬度的影响，同时重新获得简单的程序。

    HYDRAULIC PUMP CONTROLLER
    8.
    发明公开
    HYDRAULIC PUMP CONTROLLER 失效
    液压泵控制

    公开(公告)号：EP0695875A4

    公开(公告)日：1997-12-17

    申请号：EP95902273

    申请日：1994-11-30

    申请人： HITACHI CONSTRUCTION MACHINERY

    发明人： HIRATA TOICHI ,  SUGIYAMA GENROKU ,  WATANABE HIROSHI ,  YOSHINAGA SHIGEHIRO

    IPC分类号： E02F9/22 ,  F15B11/00 ,  F15B11/16

    CPC分类号： E02F9/2235 ,  E02F9/2282 ,  E02F9/2285 ,  E02F9/2296

    摘要： A controller (24) is provided with function generators (151 and 152). The generator (151) has such a characteristic that a first target tilt amount υN increases from a minimum value to a maximum value as the detected value PN of a pressure sensor (21) for negative control pressure decreases; the generator (152) has such a characteristic that a second target tilt amount υB increases from a prescribed minimum value to the same maximum value as the detected value PB of the manipulated variable (pilot pressure) for driving a boom cylinder increases. The controller (24) selects the smaller one out of the two target tilt amounts and drives a proportional solenoid valve (25) based on the smaller value. Therefore, undesired speed increase of such a specific hydraulic actuator as a swinging motor (9), etc., other than boom cylinders which occurs at the time of controlling the tilt amount in accordance with a negative control pressure can be suppressed.

    DISPLAY DEVICE AND DISPLAY CONTROLLER OF CONSTRUCTION MACHINERY
    10.
    发明公开
    DISPLAY DEVICE AND DISPLAY CONTROLLER OF CONSTRUCTION MACHINERY 有权
    显示装置及显示单元用于建筑机械

    公开(公告)号：EP1340858A4

    公开(公告)日：2009-04-22

    申请号：EP01996652

    申请日：2001-11-09

    申请人： HITACHI CONSTRUCTION MACHINERY

    发明人： OGURA HIROSHI ,  WATANABE HIROSHI ,  FUJISHIMA KAZUO ,  TOMITA SADAHISA

    IPC分类号： E02F9/22 ,  E02F9/26

    CPC分类号： E02F9/26 ,  E02F9/2296

    摘要： A display device of construction machinery capable of easily setting target aspects and areas in an operation related to an automatic control and switching the contents of displays independently of the control so that such information that an operator would like to observe can be displayed immediately, wherein a standard monitor screen (60) for displaying body attitude information, an excavation set screen (61) for displaying the set state of the depth and gradient of a target excavated surface for automatic control, and an excavation monitor screen (62) for enlargeably displaying the relative position of the target excavated surface set on the excavation set screen to a bucket are selectively displayed on the display (41) of the display device (40), each screen comprises a menu area (64) having ' Switching of Screen' items and the items according to each screen information set therein, and the contents of highlighted items are executed by operating upper and lower selection keys (43a) and (43b) on an operating device (43) to vertically move a cursor in the menu area and selecting a desired item in the menu area (64), and pressing an enter key (43e).