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1. 发明申请

WO1997007297A1 REGION LIMITED EXCAVATION CONTROL APPARATUS FOR CONSTRUCTION MACHINES 审中-公开
标题翻译：区域有限公司施工机械挖掘控制装置
公开(公告)号：WO1997007297A1
公开(公告)日：1997-02-27
申请号：PCT/JP1996002252
申请日：1996-08-08
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , NAKAGAWA, Takashi , WATANABE, Hiroshi , HAGA, Masakazu , FUJISHIMA, Kazuo , EGAWA, Eiji
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： E02F03/43
CPC分类号： E02F3/437
摘要： A region in which a front unit (1A) can be moved is set in advance. When a mode switch (20) is on with the front unit within and in the vicinity of a boundary of the set region, a target speed vector for the front unit is corrected so as to reduce therefrom the components thereof in the direction approaching the boundary of the set region on the basis of a signal from which an operating signal for operating levers (4a-4c) is reduced, and, when the mode switch (20) is off, such correction is made by using the operating signal as it is. When the front unit is out of the set region, the target speed vector is corrected so that the front unit returns to the set region. This enables the region limited excavation to be carried out efficiently and smoothly, and an operator to choose of his will between an accuracy priority working mode and a speed priority working mode.
摘要翻译：可以预先设定可以移动前置单元（1A）的区域。当模式开关（20）在设置区域的边界内和附近开启模式开关（20）时，校正用于前端单元的目标速度矢量，从而使其在接近边界的方向上从其中减少其分量基于操作杆（4a-4c）的操作信号被减小的信号，并且当模式开关（20）关闭时，通过使用操作信号来进行这样的校正。当前置单元超出设定区域时，对目标速度矢量进行校正，使前置单元返回到设定区域。这使得区域有限的挖掘能够有效和平稳地进行，并且操作者在精度优先工作模式和速度优先工作模式之间选择他的意志。

2. 发明申请

WO1997007296A1 EXCAVATION REGION SETTING APPARATUS FOR CONTROLLING REGION LIMITED EXCAVATION BY CONSTRUCTION MACHINE 审中-公开
标题翻译：用于控制区域的挖掘区设置装置由施工机械进行有限的挖掘
公开(公告)号：WO1997007296A1
公开(公告)日：1997-02-27
申请号：PCT/JP1996002251
申请日：1996-08-08
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , WATANABE, Hiroshi , HIRATA, Toichi , HAGA, Masakazu , FUJISHIMA, Kazuo
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： E02F03/43
CPC分类号： E02F3/437 , E02F3/32 , E02F9/2285 , E02F9/2296 , E02F9/26
摘要： In an excavation region setting apparatus for controlling the region limited excavation by a construction machine, which is adapted to calculate a target speed vector Vc for use in controlling a front unit (1A), on the basis of a vehicle body (1B), restrict when the front unit approaches a boundary of a preset excavation region the moving speed thereof in the direction approaching the same boundary, by correcting the target speed vector, and move the front unit along the mentioned boundary, an outer reference 80 is set first in the horizontal direction in a position outside a hydraulic shovel body, and a depth hr between the outer reference and the boundary of the excavation region is then set by using a setter (7), for the purpose of setting the excavation region. The front unit (1A) is then moved, and, when the position of a front reference 70 agrees with that of the outer reference, an outer reference setting switch (71) is pressed. Consequently, a control unit (9) computes a height hf between a vehicle body reference point O and the outer reference, and then a height hs of a boundary surface of the excavation region with respect to the vehicle body reference point O on the basis of this depth hr by using the height hf as a correction value, and set the excavation region based on the vehicle body (1B), on the basis of which the target speed vector Vc is calculated. This enables the setting of an excavation region suitable for an excavation control operation in which computation is carried out on the basis of the vehicle reference to be done, and a highly reliable control operation to be carried out.
摘要翻译：在用于基于车体（1B）计算用于计算用于控制前单元（1A）的目标速度向量Vc的建筑机械的区域限制挖掘控制的挖掘区域设定装置中，限制当前单元通过校正目标速度向量接近预设挖掘区域的边界移动速度，并且沿着所述边界移动前单元时，首先将外参考点80设置在为了设定挖掘区域，通过使用设定器（7）来设定在液压挖掘机体外侧的位置的水平方向和外部基准与挖掘区域的边界之间的深度hr。然后，前部单元（1A）移动，并且当前部基准70的位置与外部基准的位置一致时，按下外部基准设定开关（71）。因此，控制单元（9）计算车体参考点o0和外部基准之间的高度hf，然后计算挖掘区域相对于车体的边界面的高度hs 基于该深度hr，通过使用高度hf作为校正值，并且基于车身（1B）设定挖掘区域，基于该目标速度矢量计算Vc。由此，能够基于要完成的车辆基准来设定适合于进行计算的挖掘控制动作的挖掘区域，以及要进行高可靠性的控制动作。

3. 发明申请

WO1995030059A1 AERA LIMITING DIGGING CONTROL DEVICE FOR A BUILDING MACHINE 审中-公开
标题翻译：用于建筑机械的AERA限制吊装控制装置
公开(公告)号：WO1995030059A1
公开(公告)日：1995-11-09
申请号：PCT/JP1995000843
申请日：1995-04-27
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , HIRATA, Toichi , YAMAGATA, Eiji , WATANABE, Hiroshi , HAGA, Masakazu , FUJISHIMA, Kazuo , ADACHI, Hiroyuki
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： E02F03/43
CPC分类号： E02F9/2033 , E02F3/301 , E02F3/435
摘要： An area limiting digging control device for a hydraulic shovel characterized in that an area where a front device (1A) can travel is set in advance, that the position and attitude of the front device are calculated by a control unit (9) based on signals from angle detectors (8a-8c), that a target speed vector (Vc) for the front device is calculated based on signals from operation lever devices (4a, 4b), that the target speed vector so calculated is maintained when the front device is not present in the vicinity of a boundary within the set area, while the target speed vector is corrected so as to reduce a vector component (Vcy) in a direction in which the front device approaches the boundary of the set area when the front device is present in the vicinity of the boundary within the set area, and that the target speed vector is corrected such that the front device can return to within the set area when it is out of the set area, whereby an area-limited digging operation can be carried out in an efficient fashion.
摘要翻译：一种用于液压挖掘机的区域限制挖掘控制装置，其特征在于，预先设置前置装置（1A）可行进的区域，通过控制单元（9）基于信号计算前置装置的位置和姿态从角度检测器（8a-8c），基于来自操作杆装置（4a，4b）的信号计算出用于前置装置的目标速度矢量（Vc），当前部装置为不存在于设定区域内的边界附近，同时校正目标速度矢量，以便当前置装置是前置装置是前置装置接近设定区域的边界时的方向上减小矢量分量（Vcy）存在于设定区域内的边界附近，并且校正目标速度矢量，使得当设备区域超出设定区域时，前端设备可以返回到设定区域内，从而可以进行区域限制的挖掘操作携带o 以高效的方式。

4. 发明申请

WO1995033100A1 AREA-LIMITED DIGGING CONTROL DEVICE FOR CONSTRUCTION MACHINES 审中-公开
标题翻译：用于建筑机械的区域控制装置
公开(公告)号：WO1995033100A1
公开(公告)日：1995-12-07
申请号：PCT/JP1995001053
申请日：1995-05-31
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , WATANABE, Hiroshi , HIRATA, Toichi , HAGA, Masakazu , YAMAGATA, Eiji , FUJISHIMA, Kazuo , ADACHI, Hiroyuki
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： E02F03/42
CPC分类号： E02F9/2033 , E02F3/435
摘要： An area-limited digging control device for a hydraulic shovel characterized in that an area where a front device (1A) can move is set in advance, that the position and attitude of the front device (1A) are calculated based on signals from angle detectors (8a-8c), that a target speed vector of the front device is calculated based on a detection signal from an operation lever device and a load pressure detected by pressure detectors (270a-271b), that when the front device stays within the set area adjacent to its boundary, a vector component in a direction of approaching the boundary of the set area is reduced, while when the front device stays out of the set area, the target speed vector is corrected such that the front device returns to the set area, and that the operation signal in accordance with its target speed vector is corrected by a load pressure and outputted to proportional solenoid valves (210a-211b), whereby area-limited digging can efficiently be performed and stable and accurate control can be performed irrespective of variation in the load pressure of a hydraulic actuator.
摘要翻译：一种用于液压挖掘机的区域限制挖掘控制装置，其特征在于，预先设置前部装置（1A）能够移动的区域，基于来自角度检测器的信号来计算前部装置（1A）的位置和姿态（8a-8c），基于来自操作杆装置的检测信号和由压力检测器（270a-271b）检测到的负载压力来计算前部装置的目标速度矢量，当前部装置停留在组件与其边界相邻的区域中，在接近设定区域的边界的方向上的矢量分量减小，而当前置设备停留在设定区域之外时，对目标速度矢量进行校正，使得前置设备返回到设定区域区域，并且根据其目标速度矢量的操作信号由负载压力校正并输出到比例电磁阀（210a-211b），由此可以有效地执行面积限制的挖掘并且稳定和交流不管液压致动器的负载压力的变化如何，均可进行策略控制。

5. 发明申请

WO1992004505A1 HYDRAULIC CONTROL SYSTEM IN CONSTRUCTION MACHINE 审中-公开
标题翻译：建筑机械液压控制系统
公开(公告)号：WO1992004505A1
公开(公告)日：1992-03-19
申请号：PCT/JP1991001204
申请日：1991-09-11
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , NAKAMURA, Kazunori , KAJITA, Yusuke , HIRATA, Toichi , SUGIYAMA, Genroku , ONOUE, Hiroshi , TANAKA, Hideaki , TOMIKAWA, Osamu , HAGA, Masakazu , WATANABE, Hiroshi
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： E02F03/43
CPC分类号： E02F9/2285 , E02F9/2232 , E02F9/2235 , E02F9/2296
摘要： In a controller (229) of a hydraulic control system in a construction machine, a valve control signal calculating function (301), when an operation pattern signal (A-1) of an actuator (201, 202...) is outputted, selects an output pattern from a plurality of output patterns of auxiliary valve control pressure stored in association with the operation pattern signal as a function of a signal of the difference between a discharge pressure of a pump and a maximum load pressure, calculates an auxiliary valve control pressure (Pc) corresponding to the differential signal based on this output pattern, selects a set of corresponding changing speeds (K...K...) from a plurality of sets of changing speeds of auxiliary valve control pressures stored in association with the operation pattern signal, and calculates valve control signals (S21-S26) by combining these auxiliary valve control pressures and changing speeds. A pump control signal calculating function (300), when the operation pattern signal (A-1) is outputted, selects corresponding sets of control gains (LSD, LSU) and of target differential pressures from a plurality of sets of control gains (LSD, LSU) and a plurality of sets of target differential pressures stored in association with the operation pattern signal (A-1), determines a deviation between a differential signal and its target differential pressure, and calculates pump control signals (S11, S12) for decreasing this deviation of differential pressure by use of this deviation of the differential pressure and the selected set of control gains (LSD, LSU), to thereby control a displacement of the hydraulic pump (220).

6. 发明申请

WO1990001630A1 REMOTE CONTROLLER OF ENGINE 审中-公开
标题翻译：发动机遥控器
公开(公告)号：WO1990001630A1
公开(公告)日：1990-02-22
申请号：PCT/JP1989000800
申请日：1989-08-03
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , TOMIKAWA, Osamu , HIRATA, Touichi , TATSUMI, Akira , HAGA, Masakazu , EGASHIRA, Masaki , WATANABE, Hiroshi
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： F02D41/40
CPC分类号： F02D11/10 , F02D31/009
摘要： This invention relates to a remote controller which outputs an electrical operation signal from an operation device (10) to the driving device (6) of a governor mechanism (2) of an engine (1) to remote-control the governor mechanism (2). This remote controller includes a detection device (8) for detecting a control quantity of the governor mechanism (2) and a control device (13) to which an operation signal from the operation device (10) and a detection signal from the detection device (8) are inputted. When the difference between a control quantity at a certain time and a control quantity detected a predetermined prior to that time is below a predetermined value, this control device (13) judges this state as an operation limit of the governor mechanism (2) and outputs a stop signal to the driving device (6). In this manner, damage to the governor mechanism (2) and the driving device (6) is prevented.

7. 发明申请

WO1989008200A1 METHOD AND APPARATUS FOR DRIVING HYDRAULIC MACHINE 审中-公开
标题翻译：驱动液压机的方法与装置
公开(公告)号：WO1989008200A1
公开(公告)日：1989-09-08
申请号：PCT/JP1989000218
申请日：1989-03-02
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , HIRATA, Toichi , YOSHIDA, Kuniaki , TANAKA, Hideaki , SUGIYAMA, Genroku , HAGA, Masakazu
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： F15B11/04
CPC分类号： E02F9/2235 , F16H61/4061 , G05B2219/35392 , G05B2219/41302 , G05B2219/42241 , G05B2219/43203
摘要： This invention relates to a method and an apparatus for driving a hydraulic machine equipped with a plurality of hydraulic actuators such as hydraulic shovel, which can operate all of the hydraulic actuators with normal operation speed characteristics (first mode), can change the operation speed characteristics of at least part of the hydraulic actuator(s) among these hydraulic actuators to other characteristics (second mode) in accordance with the work requirements and can operate the part of the hydraulic actuator(s) with the operation speed characteristics of the second mode without affecting the operation speed characteristics of the other hydraulic actuators.

8. 发明申请

WO1998006909A1 OPERATION CONTROL DEVICE FOR THREE-JOINT EXCAVATOR 审中-公开
标题翻译：三联挖掘机操作控制装置
公开(公告)号：WO1998006909A1
公开(公告)日：1998-02-19
申请号：PCT/JP1997002757
申请日：1997-08-07
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , OSHINA, Morio , SONODA, Mitsuo , EGAWA, Eiji , TSUMURA, Junji
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： E02F03/43
CPC分类号： E02F9/2025 , E02F3/301 , E02F3/435 , E02F3/437 , E02F9/2285
摘要： A speed command value X1 for a first arm (3) is determined by control inputs c, d such that -1
摘要翻译：用于第一臂（3）的速度指令值X1由控制输入c，d确定，使得在第一臂的提升的侧面d为正时建立-1

9. 发明申请

WO1990011413A1 HYDRAULIC DRIVE UNIT FOR CIVIL ENGINEERING AND CONSTRUCTION MACHINERY 审中-公开
标题翻译：民用工程及建筑机械液压驱动装置
公开(公告)号：WO1990011413A1
公开(公告)日：1990-10-04
申请号：PCT/JP1990000375
申请日：1990-03-20
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , TANAKA, Hideaki , HIRATA, Toichi , SUGIYAMA, Genroku , HAGA, Masakazu , KAJITA, Yusuke
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： E02F03/43
CPC分类号： E02F9/2235 , E02F9/2228 , E02F9/2285 , E02F9/2292 , E02F9/2296
摘要： A hydraulic drive unit provided with a hydraulic pump (11, 11A), a plurality of actuators (4-6) driven by a pressure oil supplied from the hydraulic pump, which include an arm cylinder (5) and a boom cylinder (4), a plurality of flow rate control valves (12, 14, 16) adapted to control the flows of the pressure oil supplied to these actuators, which include an arm direction control valve (14) and a boom direction control valve (12), and a plurality of divided flow compensating valves (13, 15, 17; 13A, 15A, 17A) adapted to control the pressure differences across these flow rate control valves and having driving means (13d, 15d, 17d; 13e, 13f, 15e, 15f, 17e, 17f) for setting target levels of pressure differences across the corresponding flow rate control valves. It is characterized in that it has a first means (21) for detecting an arm crowding action made by driving the arm cylinder (5), and second means (24, 30, 31; 24, 30A, 31) for controlling the driving means (15d, 15f) for the corresponding divided flow compensating valves (15; 15A) so that the target level of pressure difference across at least the flow rate control vale (14) related to the arm cylinder decrease when an arm crowding action is detected.

10. 发明申请

WO1990008263A1 HYDRAULIC DRIVING UNIT FOR CONSTRUCTION MACHINERY 审中-公开
标题翻译：建筑机械液压驱动装置
公开(公告)号：WO1990008263A1
公开(公告)日：1990-07-26
申请号：PCT/JP1990000048
申请日：1990-01-18
申请人： HITACHI CONSTRUCTION MACHINERY CO., LTD. , TATSUMI, Akira , HIRATA, Toichi , HAGA, Masakazu , IZUMI, Eiki
发明人： HITACHI CONSTRUCTION MACHINERY CO., LTD.
IPC分类号： F15B11/00
CPC分类号： F16H61/4078 , B60W10/06 , E02F9/2235 , E02F9/2246 , E02F9/2296 , F15B2211/20553 , F15B2211/253 , F15B2211/50536 , F16H61/433 , F16H2059/6846
摘要： This invention relates to a hydraulic driving unit provided with: an engine (1); a variable capacity hydraulic pump (2) driven by said engine; at least one hydraulic actuator driven by oil delivered from the pump (6); a control valve means (8) for interconnecting the hydraulic pump and actuator and controlling the flow rate of hydraulic fluid fed to the actuator according to the degree of operation of an operating means (58); a pump control means (17) for controlling the displacement volume of the hydraulic pump according to the degree of operation of the operating means so that the discharge quantity of the hydraulic pump increases as the aforesaid degree of operation increases; and an engine control means (29) for controlling the RPM of the engine. The engine control means (29) monitors whether or not the discharge quantity of the hydraulic pump (2) reaches saturation and, when a specified saturation condition is reached by hydraulic pump, it can exhibit such functions (33, 36) as increasing the RPM of the engine (1) and eliminating saturation.

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