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公开(公告)号：US11230824B2
公开(公告)日：2022-01-25
申请号：US16631505
申请日：2018-06-28
发明人： Ryu Narikawa , Hidekazu Moriki , Manabu Edamura , Shiho Izumi
摘要： A work machine (1) includes a controller (40) having a notification control section (374) that exercises control as to whether to notify an operator of operation support information in accordance with a distance between a predetermined target surface, out of a plurality of discretionally set target surfaces, and a work implement (1A), the work machine including a current terrain profile acquisition device (96) that acquires a position of a current terrain profile, the controller including a target surface comparison section (62) that compares the position of the current terrain profile (800) with a position of the predetermined target surface (700) to determine a vertical position relationship between the current terrain profile and the predetermined target surface. The notification control section (374) changes content of the operation support information in accordance with a result of determination by the target surface comparison section.
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公开(公告)号：US20150300378A1
公开(公告)日：2015-10-22
申请号：US14441048
申请日：2013-11-05
发明人： Tsutomu Udagawa , Akira Nakayama , Ryohei Yamashita , Shiho Izumi , Manabu Edamura , Kouji Ishikawa , Hidetoshi Satake
IPC分类号： F15B11/028 , E02F9/22
CPC分类号： F15B11/028 , E02F3/32 , E02F9/22 , E02F9/2235 , E02F9/2285 , E02F9/2296 , F15B11/0423 , F15B2211/20546 , F15B2211/251 , F15B2211/30525 , F15B2211/3111 , F15B2211/365 , F15B2211/6309 , F15B2211/633 , F15B2211/6333 , F15B2211/6346 , F15B2211/6652 , F15B2211/6653 , F15B2211/6654
摘要： The energy efficiency is increased by reducing the throttle/relief loss in the delivery flow of the hydraulic pump caused by the bleed-off control, while also making it possible to control the delivery pressure of the hydraulic pump according to the operation amount of the control lever unit and improving the operational performance. A controller 6 includes a target pump pressure setting unit 32 which calculates a target pump delivery pressure which increases with the increase in an operation amount signal from an operation amount detector 20A/20B based on the operation amount signal and a pump flow rate upper limit setting unit 33 which calculates a pump flow rate upper limit which increases with the increase in the operation amount signal based on the operation amount signal. The tilt amount of the hydraulic pump 2 is controlled based on the target pump delivery pressure calculated by the target pump pressure setting unit 32, the pump flow rate upper limit calculated by the pump flow rate upper limit setting unit 33, and the delivery pressure of the hydraulic pump 2 detected by a pressure detector 21.
摘要翻译： 通过减少由排出控制引起的液压泵的输送流量中的节流/减压损失，能够提高能量效率，同时还可以根据控制的操作量来控制液压泵的输送压力 杠杆单元，提高操作性能。 控制器6包括目标泵压力设定单元32，该目标泵压力设定单元32基于操作量信号和泵流量上限设定来计算随着来自操作量检测器20A / 20B的操作量信号的增加而增加的目标泵输送压力 单元33，其基于操作量信号计算随着操作量信号的增加而增加的泵流量上限。 基于由目标泵压力设定单元32计算出的目标泵输送压力，由泵流量上限设定单元33计算的泵流量上限，以及泵流量上限设定单元33的输出压力来控制液压泵2的倾斜量 液压泵2由压力检测器21检测。
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公开(公告)号：US11041288B2
公开(公告)日：2021-06-22
申请号：US16329387
申请日：2018-02-08
发明人： Kohei Hiromatsu , Manabu Edamura , Shiho Izumi
摘要： A hydraulic excavator acquires operation content frequency data in a designated period based on output values output from a plurality of sensors sensing parameters that serve as indicators of operation contents performed via an operation device. A storage section stores a plurality of guide screens each corresponding to one of a plurality of work patterns of the hydraulic excavator. A work identifying section searches actual result data in the storage section for actual result data that matches or is similar to the operation content frequency data acquired by the data acquiring section in terms of operation contents and frequency thereof, and that identifies a current work pattern based on a work pattern allocated to actual result data related to a result of the search. A display device displays a guide screen corresponding to the work pattern identified by the work identifying section among the plurality of guide screens.
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公开(公告)号：US10557251B2
公开(公告)日：2020-02-11
申请号：US15554316
申请日：2016-03-10
发明人： Shinya Imura , Shinji Nishikawa , Manabu Edamura , Kouji Ishikawa , Masatoshi Hoshino , Shinji Ishihara
摘要： The first engine speed or a work machine is higher than the minimum engine speed, and the second engine speed is higher than the first engine speed and lower than the maximum engine speed. The ratio of the change in the target engine speed to the change in the operation amount of the engine speed instructing device when the operation amount of the engine speed instructing device is changed from the operation amount for instructing the minimum speed to the operation amount for instructing the first engine speed is larger than the ratio of the change in the target engine speed to the change in the operation amount of the engine speed instructing device when the operation amount of the engine speed instructing device is changed from the operation amount for instructing the second engine speed to the operation amount for instructing the maximum speed.
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公开(公告)号：US11149411B2
公开(公告)日：2021-10-19
申请号：US16486847
申请日：2018-03-12
发明人： Manabu Edamura , Shiho Izumi , Hiroshi Sakamoto
摘要： A controller (40) of a hydraulic excavator (1) includes: a first distance calculation section (43f) calculating a first distance D1 that is a distance between a bucket toe and a target surface on a virtual straight line Lv extended vertically from the bucket toe, based on position information on the bucket toe and position information on the target surface (700); and a second distance calculation section (43g) calculating a second distance D2 that is a distance between the target surface and a current landform on the virtual straight line Lv, based on the position information on the bucket toe and the position information on the target surface and position information on the current landform 800. A display device (53a) displays the first distance D1 and the second distance D2.
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公开(公告)号：US10323388B2
公开(公告)日：2019-06-18
申请号：US15549300
申请日：2016-03-10
发明人： Yasuhiko Kanari , Manabu Edamura , Shiho Izumi , Takahiko Kurose
摘要： A display system for a construction machine includes: a moving direction computing section for computing a predictive moving direction of a bucket; a work-tool display control section that, if the moving direction computing section predicts a movement of the bucket, changes the display position of a bucket image based on the predictive moving direction such that the area of a region located on the predictive moving direction side from the bucket image on the display screen of a monitor is displayed wider than when the bucket image is displayed at a reference position and that displays the bucket image at the reference position if a movement of the bucket cannot be predicted. A target-surface display control section displays on the display screen an image of a target surface when the bucket image is displayed at the display position determined by the work-tool display control section.
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公开(公告)号：US11149413B2
公开(公告)日：2021-10-19
申请号：US16477224
申请日：2018-03-05
发明人： Shinji Ishihara , Hidekazu Moriki , Manabu Edamura , Hiroshi Sakamoto , Yasutaka Tsuruga , Yuuichirou Morita
摘要： A hydraulic excavator includes: a multijoint type front implement that is configured by coupling a plurality of driven members including a bucket; inertial measurement units that detect posture information about the plurality of driven members; and a calibration value computing section that computes calibration parameters used in calibration of detection results of the inertial measurement units; and a work position computing section that computes a relative position of the bucket to the machine body on the basis of the detection results of the inertial measurement units and the computation result of the calibration value computing section, and the calibration value computing section computes the calibration parameters on the basis of the detection results of the inertial measurement units in a plurality of postures of the front implement in which a reference point set on any of the plurality of driven members in advance matches a reference position.
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公开(公告)号：US11053661B2
公开(公告)日：2021-07-06
申请号：US16329236
申请日：2017-11-20
发明人： Jun Kikuchi , Seiji Ishida , Manabu Edamura
摘要： A work machine includes: a satellite communication antenna for detecting a position of an upper swing structure; angle sensors detecting postures of two work devices; position computing devices that calculate postures/positions of the two work devices on the basis of outputs from the satellite communication antenna and the angle sensors; a display device on which the position of at least one work device of the two work devices and a position of a target surface are displayed; a display selection switch that outputs a first input signal for displaying a work device selected by an operator from between the two work devices on the display device; and a display changeover section that displays the work device corresponding to the first input signal input from the display selection switch out of the two work devices and the position of the target work object of the work device on the display device.
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公开(公告)号：US10760245B2
公开(公告)日：2020-09-01
申请号：US15755103
申请日：2016-03-31
摘要： An area limit control part as a control section outputs a requested boost pilot pressure for driving a control valve, based upon a pilot pressure in accordance with an operating amount of an operating lever and a posture signal of a posture sensor. A drive permission determination part determines whether or not a drive of a hydraulic actuator is permitted based upon the pilot pressure in accordance with the operating amount of the operating lever. A pilot pressure selecting part selects the requested boost pilot pressure from the area limit control part in such a manner as to drive the control valve with the requested boost pilot pressure to the hydraulic actuator the drive of which is permitted, and not to drive the control valve to the hydraulic actuator the drive of which is not permitted.
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公开(公告)号：US10060450B2
公开(公告)日：2018-08-28
申请号：US14441048
申请日：2013-11-05
发明人： Tsutomu Udagawa , Akira Nakayama , Ryohei Yamashita , Shiho Izumi , Manabu Edamura , Kouji Ishikawa , Hidetoshi Satake
IPC分类号： F15B11/00 , F15B11/028 , E02F3/32 , E02F9/22 , F15B11/042
CPC分类号： F15B11/028 , E02F3/32 , E02F9/22 , E02F9/2235 , E02F9/2285 , E02F9/2296 , F15B11/0423 , F15B2211/20546 , F15B2211/251 , F15B2211/30525 , F15B2211/3111 , F15B2211/365 , F15B2211/6309 , F15B2211/633 , F15B2211/6333 , F15B2211/6346 , F15B2211/6652 , F15B2211/6653 , F15B2211/6654
摘要： The energy efficiency is increased by reducing the throttle/relief loss in the delivery flow of the hydraulic pump caused by the bleed-off control, while also making it possible to control the delivery pressure of the hydraulic pump according to the operation amount of the control lever unit and improving the operational performance. A controller 6 includes a target pump pressure setting unit 32 which calculates a target pump delivery pressure which increases with the increase in an operation amount signal from an operation amount detector 20A/20B based on the operation amount signal and a pump flow rate upper limit setting unit 33 which calculates a pump flow rate upper limit which increases with the increase in the operation amount signal based on the operation amount signal. The tilt amount of the hydraulic pump 2 is controlled based on the target pump delivery pressure calculated by the target pump pressure setting unit 32, the pump flow rate upper limit calculated by the pump flow rate upper limit setting unit 33, and the delivery pressure of the hydraulic pump 2 detected by a pressure detector 21.
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