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    • 1. 发明授权
    • Controller and work machine provided therewith
    • 提供的控制器和作业机
    • US08726649B2
    • 2014-05-20
    • US12787706
    • 2010-05-26
    • Takao NanjoSaburo SenooMitsunori Hirozawa
    • Takao NanjoSaburo SenooMitsunori Hirozawa
    • F04B49/00
    • E02F9/2235E02F9/2285E02F9/2292E02F9/2296
    • A controller includes a storage unit that stores a map in which an operation amount and an upper limit value of suction torque of a hydraulic pump are associated with each other, for each operation content identified by a cylinder that is an operation object out of the cylinders, and by a direction of operation performed on this cylinder; an operation torque determination unit that determines the upper limit value of suction torque for each cylinder by using the map stored in the storage unit when an actuation command relating to at least one cylinder is input by an operation lever; a high-level selection unit that selects the maximum upper limit value of suction torque out of the upper limit values of suction torque determined by the operation torque determination unit; and a regulator that regulates a displacement of the hydraulic pump so as to obtain torque equal to or lower than the suction torque selected by the high-level selection unit.
    • 控制器包括:存储单元,其存储将由液压泵的吸入转矩的操作量和上限值彼此相关联的映射,对于由作为操作对象的气缸在气缸外部识别的每个操作内容 ,并通过在该气缸上执行的操作方向; 操作扭矩确定单元,当通过操作杆输入与至少一个气缸相关的致动指令时,通过使用存储在存储单元中的映射来确定每个气缸的吸力矩的上限值; 高级选择单元,其从所述操作转矩确定单元确定的吸力转矩的上限值中选择吸力转矩的最大上限值; 以及调节器,其调节液压泵的排量,以获得等于或低于由高级选择单元选择的吸力转矩的扭矩。
    • 2. 发明申请
    • CONTROLLER AND WORK MACHINE PROVIDED THEREWITH
    • 控制器和工作机器提供
    • US20100303642A1
    • 2010-12-02
    • US12787706
    • 2010-05-26
    • Takao NanjoSaburo SenooMitsunori Hirozawa
    • Takao NanjoSaburo SenooMitsunori Hirozawa
    • F04B49/00
    • E02F9/2235E02F9/2285E02F9/2292E02F9/2296
    • A controller includes: a storage unit that stores a map in which an operation amount and an upper limit value of suction horsepower of a hydraulic pump are associated with each other, for each operation content identified by a cylinder that is an operation object out of the cylinders, and by a direction of operation performed on this cylinder; an operation horsepower determination unit that determines the upper limit value of suction horsepower for each cylinder by using the map stored in the storage unit when an actuation command relating to at least one cylinder is input by an operation lever; a high-level selection unit that selects the maximum upper limit value of suction horsepower out of the upper limit values of suction horsepower determined by the operation horsepower determination unit; and a regulator that regulates a displacement of the hydraulic pump so as to obtain horsepower equal to or lower than the suction horsepower selected by the high-level selection unit.
    • 控制器包括:存储单元,其存储将由液压泵的吸入功率的操作量和上限值彼此相关联的映射,对于由作为操作对象的操作对象的气缸所识别的每个操作内容 气缸,以及在该气缸上执行的操作方向; 操作马力确定单元,当通过操作杆输入与至少一个气缸相关的致动指令时,通过使用存储在存储单元中的图来确定每个气缸的吸力的上限值; 高级选择单元,其从由所述操作功率确定单元确定的吸力的上限值中选择吸取马力的最大上限值; 以及调节器,其调节液压泵的排量,以获得等于或低于由高级选择单元选择的吸力的功率。
    • 3. 发明授权
    • Hydraulic controller for construction machine
    • 施工机械液压控制器
    • US07059125B2
    • 2006-06-13
    • US10929959
    • 2004-08-31
    • Hidekazu OkaKoji YamashitaSaburo Senoo
    • Hidekazu OkaKoji YamashitaSaburo Senoo
    • F16D31/02
    • E02F9/2292E02F9/2235E02F9/2242E02F9/2296
    • In a hydraulic controller for construction machine according to the present invention, wherein there are provided regulators for each of a first and a second capacity variable hydraulic pump, each of the regulators being controlled, detecting the discharge pressure of each pump, in such a manner that one of the pumps absorbs a part of torque while the other thereof absorbs the remaining torque, and wherein a boom raising operation causes pressure oil from the pumps to be joined together and then supplied to a boom cylinder, while also a rotating operation causes pressure oil from the second pump to be supplied to a rotating motor, is provided a flow rate distribution controller adapted to control the regulators in such a manner that a difference in flow rate is provided between the pumps so that the first pump shows a higher flow rate at the start of a combined operation of raising and rotating, and that, on a steady rotating state which results in an increase in the discharge pressure difference between the pumps, the difference in flow rate is reduced. This enables pump horsepower to be distributed optimally between the boom cylinder and rotating motor during the raising and rotating operation.
    • 在根据本发明的用于建筑机械的液压控制器中,其中设置有用于第一和第二容量可变液压泵中的每一个的调节器,每个调节器被控制,以这种方式检测每个泵的排出压力 其中一个泵吸收扭矩的一部分,而另一个吸收剩余的扭矩,并且其中起重臂提升操作使得来自泵的压力油接合在一起,然后被供应到动臂缸,同时旋转操作引起压力 提供了供应给旋转马达的第二泵的油,其设置有流量分配控制器,其适于以这样的方式控制调节器,使得在泵之间提供流量差,使得第一泵显示较高的流量 在升高和旋转的组合操作开始时,并且在导致排出压力增加的稳定旋转状态下 泵之间的差异,流量差异减小。 这样可以在提升和旋转操作期间将马力分配到动臂缸和旋转马达之间。
    • 4. 发明申请
    • Hydraulic controller for construction machine
    • 施工机械液压控制器
    • US20050060993A1
    • 2005-03-24
    • US10929959
    • 2004-08-31
    • Hidekazu OkaKoji YamashitaSaburo Senoo
    • Hidekazu OkaKoji YamashitaSaburo Senoo
    • E02F9/22F15B11/00F15B11/17F16D31/00
    • E02F9/2292E02F9/2235E02F9/2242E02F9/2296
    • In a hydraulic controller for construction machine according to the present invention, wherein there are provided regulators for each of a first and a second capacity variable hydraulic pump, each of the regulators being controlled, detecting the discharge pressure of each pump, in such a manner that one of the pumps absorbs a part of torque while the other thereof absorbs the remaining torque, and wherein a boom raising operation causes pressure oil from the pumps to be joined together and then supplied to a boom cylinder, while also a rotating operation causes pressure oil from the second pump to be supplied to a rotating motor, is provided a flow rate distribution controller adapted to control the regulators in such a manner that a difference in flow rate is provided between the pumps so that the first pump shows a higher flow rate at the start of a combined operation of raising and rotating, and that, on a steady rotating state which results in an increase in the discharge pressure difference between the pumps, the difference in flow rate is reduced. This enables pump horsepower to be distributed optimally between the boom cylinder and rotating motor during the raising and rotating operation.
    • 在根据本发明的用于建筑机械的液压控制器中,其中设置有用于第一和第二容量可变液压泵中的每一个的调节器,每个调节器被控制,以这种方式检测每个泵的排出压力 其中一个泵吸收扭矩的一部分,而另一个吸收剩余的扭矩,并且其中起重臂提升操作使得来自泵的压力油接合在一起,然后被供应到动臂缸,同时旋转操作引起压力 提供了供应给旋转马达的第二泵的油,其设置有流量分配控制器,其适于以这样的方式控制调节器,使得在泵之间提供流量差,使得第一泵显示较高的流量 在升高和旋转的组合操作开始时,并且在导致排出压力增加的稳定旋转状态下 泵之间的差异,流量差异减小。 这样可以在提升和旋转操作期间将马力分配到动臂缸和旋转马达之间。