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公开(公告)号：US20240229414A9
公开(公告)日：2024-07-11
申请号：US18279683
申请日：2022-04-25
申请人： KOMATSU LTD.
发明人： Kenichiro TANAKA , Yuichi NAKANO
CPC分类号： E02F3/844 , E02F3/7618 , E02F9/02 , E02F9/2285
摘要： A work machine includes a vehicle body, a blade supported so as to be rotatable about a pitch axis with respect to the vehicle body, a pitch actuator connected to the blade, a first sensor, and a controller. The pitch actuator causes the blade to perform a pitch motion about the pitch axis in a forward tilt direction and a backward tilt direction. The first sensor detects a first parameter relating to a penetration force of a blade tip of the blade in a downward direction. The controller determines whether the penetration force is insufficient based on the first parameter, and controls the pitch actuator to cause the blade to perform the pitch motion in the forward tilt direction upon determining that the penetration force is insufficient.
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公开(公告)号：US11939743B2
公开(公告)日：2024-03-26
申请号：US17419881
申请日：2020-02-17
申请人： KOMATSU LTD.
发明人： Junji Harada
CPC分类号： E02F3/844 , E02F9/262 , E02F9/265 , E02F3/7618 , E02F9/2225
摘要： A work machine includes a work implement. A control system for the work machine includes a controller configured to operate the work implement according to a target trajectory for a backward movement while the work machine is moving backward. A method is performed by a processor for controlling a work machine including a work implement. The method includes operating the work implement according to a target trajectory for a backward movement while the work machine is moving backward.
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公开(公告)号：US20240026642A1
公开(公告)日：2024-01-25
申请号：US18037052
申请日：2021-12-17
发明人： Kiyoshi Yonekura
CPC分类号： E02F9/2004 , E02F3/7613 , E02F3/7618 , E02F9/2285
摘要： This construction machine includes a blade and a manipulating lever. The blade is provided to a machine body. The blade is configured such that a plurality of operations are possible. The manipulating lever manipulates the blade. The manipulating lever is configured so as to be able to control each of the plurality of operations by a different manipulation. The manipulating lever is preferably configured so as to be able to manipulate each of the plurality of operations in the same direction.
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公开(公告)号：US11732438B2
公开(公告)日：2023-08-22
申请号：US16891939
申请日：2020-06-03
申请人： KOMATSU LTD.
发明人： Takuya Uemura , Yusuke Yamazaki , Kei Nakano , Masahiro Ikeda
CPC分类号： E02F3/844 , E02F3/7613 , E02F3/7618 , E02F9/2004
摘要： A controller determines that a signal from an operating device represents either a normal operation to manually control a blade or a trigger operation to automatically control the blade. The controller moves the blade so that the angle of the blade is changed in accordance with the operation of the operating device when the signal from the operating device is determined as representing a normal operation. The controller moves the blade until the angle of the blade reaches a predetermined target angle when the signal from the operating device is determined as representing the trigger operation while the bulldozer is traveling.
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公开(公告)号：US20190234045A1
公开(公告)日：2019-08-01
申请号：US15884120
申请日：2018-01-30
CPC分类号： E02F3/844 , E02F3/7618 , E02F3/845 , E02F9/2029
摘要： An earthmoving system is disclosed. The earthmoving system includes a blade, a controller, and a blade control system configured to control the positioning of the blade. While grading, the earthmoving system is configured to simultaneously position the blade according to each of a fixed slope grading mode, a design driven control grading mode, and an fixed load grading mode.
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公开(公告)号：US20180073214A1
公开(公告)日：2018-03-15
申请号：US15503440
申请日：2016-09-09
申请人： KOMATSU LTD.
CPC分类号： E02F3/7609 , E02F3/76 , E02F3/7618 , E02F3/815 , E02F9/163 , E02F9/205 , E02F9/2271 , E02F9/2296 , E02F9/261 , E02F9/2875 , H04N7/181
摘要： A bulldozer has a protective structure. The protective structure includes a left pillar portion, a right pillar portion, and a beam portion. The left pillar portion is disposed to the left of a cab and extends in the up-down direction. The right pillar portion is disposed to the right of the cab and extends in the up-down direction. The beam portion is disposed above the cab and couples the left pillar portion and the right pillar portion. A first camera is attached to the left pillar portion and is disposed so that a first optical axis faces forward and downward. A second camera is attached to the right pillar portion and is disposed so that a second optical axis faces forward and downward.
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公开(公告)号：US09863120B2
公开(公告)日：2018-01-09
申请号：US14699024
申请日：2015-04-29
申请人： Caterpillar Inc.
CPC分类号： E02F3/844 , E02F3/7618 , E02F9/2203
摘要： A control system for a work implement of a machine having a frame is provided. The control system includes a pair of lift cylinders operatively coupled to the work implement and configured to raise or lower the work implement with respect to the frame. Each of the lift cylinders has a rod end and a cap end. The control system includes a first cross-over line configured to fluidly communicate the rod ends to each other and a second cross-over line configured to fluidly communicate the cap ends to each other. The control system includes a cross-over valve disposed in one of the first and second cross-over lines and configured to regulate a flow of hydraulic fluid therethrough. The control system further includes a controller communicably coupled to the cross-over valve and configured to at least partially close the cross-over valve during a dump cycle of the work implement.
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公开(公告)号：US09551130B2
公开(公告)日：2017-01-24
申请号：US14614632
申请日：2015-02-05
申请人： Deere & Company
CPC分类号： E02F3/844 , E02F3/7618 , E02F3/7627 , E02F3/7631 , E02F3/845 , E02F9/265
摘要： A work vehicle may include a chassis, a ground-engaging blade, a sensor, and a controller. The ground-engaging blade may be movably connected to the chassis via a linkage configured to allow the blade to be raised or lowered relative to the chassis. The sensor may be connected to the chassis at a fixed relative position to the chassis and configured to provide a pitch signal indicative of a rotational velocity in a pitch direction. The controller may be configured to receive the pitch signal and send a command to raise or lower the blade, the command based on a first gain and the pitch signal when the pitch signal indicates a rotational velocity in a first direction and based on a second gain and the pitch signal when the pitch signal indicates a rotational velocity in a second direction.
摘要翻译： 工作车辆可以包括底盘，接地叶片，传感器和控制器。 地面接合叶片可以经由构造成允许叶片相对于底盘升高或降低的连杆可移动地连接到底盘。 传感器可以在与底盘的固定相对位置处连接到机架，并且被配置为提供指示俯仰方向上的旋转速度的俯仰信号。 控制器可以被配置为接收音调信号并且发送命令以提升或降低叶片，该命令基于第一增益和音调信号，当音调信号指示第一方向上的旋转速度并且基于第二增益 以及当音调信号指示在第二方向上的旋转速度时的音调信号。
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公开(公告)号：US20160289916A1
公开(公告)日：2016-10-06
申请号：US15175815
申请日：2016-06-07
申请人： Caterpillar Inc.
CPC分类号： E02F3/844 , E02F3/7618 , E02F9/2203 , E02F9/262 , E02F9/265
摘要： A control system for controlling a position of an implement of a machine operating on a terrain includes a controller configured to generate a signal indicative of a desired cylinder velocity of an actuator associated with the implement of the machine and an operating mode sensor configured to generate a signal indicative of an operating mode of the machine. The control system includes an instability detection module which receives the signal indicative of the desired cylinder velocity of the actuator from the controller and the signal indicative of the operating mode of the machine from the operating mode sensor. The instability detection module detects an instability condition based on the signal indicative of the desired cylinder velocity of the actuator and selectively adjusts a controller gain associated with the desired cylinder velocity based at least in part on the instability condition and the operating mode of the machine.
摘要翻译： 用于控制在地形上操作的机器的工具的位置的控制系统包括：控制器，被配置为产生指示与机器的工具相关联的致动器的期望的气缸速度的信号;以及操作模式传感器，其被配置为产生 指示机器的操作模式的信号。 控制系统包括不稳定性检测模块，其接收来自控制器的指示致动器的期望气缸速度的信号和指示来自操作模式传感器的机器的操作模式的信号。 不稳定性检测模块基于指示致动器的期望气缸速度的信号来检测不稳定性状况，并且至少部分地基于机器的不稳定性条件和操作模式选择性地调节与期望气缸速度相关联的控制器增益。
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公开(公告)号：US20150361638A1
公开(公告)日：2015-12-17
申请号：US14306279
申请日：2014-06-17
申请人： Deere & Company
IPC分类号： E02F3/815
CPC分类号： E02F3/815 , E02F3/7618
摘要： A blade for a work vehicle may include a front wall, a back wall, a first support, a second support, and a third support. The front wall may be for engaging material to be moved. The back wall may be positioned at a distance from the front wall. The first support may be positioned between the front wall and the back wall and connected to the front wall and the back wall. The second support may be positioned between the front wall and the back wall and connected to the front wall and the back wall. The third support may positioned between the front wall and the back wall and connected to the front wall and the back wall.
摘要翻译： 用于工作车辆的刀片可以包括前壁，后壁，第一支撑件，第二支撑件和第三支撑件。 前壁可以用于接合要移动的材料。 后壁可以位于与前壁一定距离处。 第一支撑件可以位于前壁和后壁之间并连接到前壁和后壁。 第二支撑件可以位于前壁和后壁之间并连接到前壁和后壁。 第三支撑件可以位于前壁和后壁之间并连接到前壁和后壁。
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