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    Tractor
    1.
    发明授权
    Tractor 有权

    公开(公告)号：US12069973B2

    公开(公告)日：2024-08-27

    申请号：US17717130

    申请日：2022-04-11

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Nobuyuki Tanaka ,  Yuki Sugo

    IPC分类号： A01B63/12

    CPC分类号： A01B63/12

    摘要： A tractor includes: a work machine connected to a vehicle body; an elevator mechanism configured to move the work machine up and down; an electric motor; a battery; an electric leakage detection circuit configured to detect electric leakage in the battery; and a control device. The control device controls the elevator mechanism either in a lowered state or a raised state, the lowered state being a state where the work machine is placed at a position making contact with a ground, the raised state being a state where the work machine is placed at a position distanced from the ground. In a case where the electric leakage detection circuit detects electric leakage in the battery at the time when the elevator mechanism is in the lowered state, the control device performs a state change process of bringing the elevator mechanism into the raised state.

    Depth control device for ground working agricultural implements
    4.
    发明授权
    Depth control device for ground working agricultural implements 失效
    地面作业农具深度控制装置

    公开(公告)号：US4031963A

    公开(公告)日：1977-06-28

    申请号：US567624

    申请日：1975-04-14

    申请人： Erhard Poggemiller ,  Ralph Sweet

    发明人： Erhard Poggemiller ,  Ralph Sweet

    IPC分类号： A01B63/114 ,  A01B63/12 ,  A01D33/14 ,  A01B65/06

    CPC分类号： A01B63/114 ,  A01B63/12 ,  A01D33/14 ,  Y10S111/926 ,  Y10S56/15

    摘要： A depth control device is attached to agricultural implements such as cultivators, seed drills, discers and the like, in order to control, within pre-determined limits, the depth of penetration of the earth working components. It comprises firstly a ground or surface-engaging sensing member extending forwardly of the framework and secondly, a sensor that is connected to the earth working components. Both of these sensors are connected to an hydraulic electrical or mechanical device to raise and lower the earth working components which controls the depth of penetration thereof so that, for example, if uneven ground is encountered, the depth penetration is corrected and if the density changes of the ground being worked, thus affecting the suction, then once again depth penetration is corrected. Structure is provided to average out the effect of conditions changing the depth of penetration so that the desired average depth of penetration is maintained particularly in relatively wide machines. Switches are actuated by the sensors and these switches are connected to solenoids or solenoid valves which in turn operate the raising and lowering mechanism for the earth working components, the mechanism being operated either by hydraulic rams or reversible electric or hydrostatic motors.

    摘要翻译： 深度控制装置连接到诸如耕耘机，种子钻，刨花机等的农具上，以便在预定的限度内控制地球工作部件的穿透深度。 它首先包括在框架前方延伸的接地或表面接合的感测构件，其次包括连接到接地工作部件的传感器。 这两个传感器都连接到液压电气或机械装置，以升高和降低控制其穿透深度的土方工作部件，以便例如如果遇到不平坦的地面，则校正深度穿透，并且如果密度变化 的地面正在加工，从而影响吸力，再次深度穿透得到纠正。 提供结构以平均改变穿透深度的条件的影响，使得在相对较宽的机器中特别保持期望的平均穿透深度。 开关由传感器驱动，这些开关连接到螺线管或电磁阀，该电磁阀或电磁阀又操作用于接地工作部件的升降机构，该机构由液压柱塞或可逆电动或静液压马达操作。

    Method of controlling a differential motor torque steering system of a working machine and system thereof
    7.
    发明授权
    Method of controlling a differential motor torque steering system of a working machine and system thereof 有权

    公开(公告)号：US12052939B2

    公开(公告)日：2024-08-06

    申请号：US17689165

    申请日：2022-03-08

    申请人： DEERE & COMPANY

    发明人： Austin J. Karst ,  Jason J. Wanner

    IPC分类号： A01B69/00 ,  A01B63/12 ,  B62D6/00 ,  B62D9/00

    CPC分类号： A01B69/007 ,  A01B63/12 ,  B62D6/00 ,  B62D9/00

    摘要： A steering system for controlling an agricultural machine having a pair of front and rear wheels includes a controller and a steer input sensor for detecting a change in an operator steer input corresponding to a steer command. The system includes a displacement input for communicating a motor displacement associated with an operating mode. A primary differential steering system includes a drive motor for operably controlling the pair of front wheels and a secondary steering system controls the pair of rear wheels. The controller determines if the motor displacement is being controlled according to a first motor displacement or a second motor displacement, and outputs a control signal to actuate first and second actuators as a function of the steer command. The control signal includes a rear steering gain that is a function of machine speed and either the first motor displacement or the second motor displacement.

    OPERATING DEVICE FOR WORKING VEHICLE
    8.
    发明公开
    OPERATING DEVICE FOR WORKING VEHICLE 审中-公开

    公开(公告)号：US20240208327A1

    公开(公告)日：2024-06-27

    申请号：US18537192

    申请日：2023-12-12

    申请人： KUBOTA CORPORATION

    发明人： Ryo WATAYA

    IPC分类号： B60K26/02 ,  A01B63/12

    CPC分类号： B60K26/02 ,  A01B63/12 ,  B60K2026/028 ,  B60Y2200/221

    摘要： An operating device for a working vehicle includes an operating lever to cause the working vehicle to perform various functions, and a selector to select an operation mode of the operating lever. The operating lever is configured such that function(s) of the working vehicle to be performed in accordance with an instruction received by the operating lever vary depending on the operation mode selected via the selector. Furthermore, the operating lever is pivotally supported and is configured such that function(s) of the working vehicle to be performed in accordance with an instruction received by the operating lever being pivoted vary depending on the operation mode selected via the selector.

    MOWER DECK LEVELING SYSTEM
    9.
    发明申请
    MOWER DECK LEVELING SYSTEM 审中-公开
    电梯升降系统

    公开(公告)号：US20150296711A1

    公开(公告)日：2015-10-22

    申请号：US14255573

    申请日：2014-04-17

    申请人： DEERE & COMPANY

    发明人： Robert D. Haun ,  HARLIN J. TREFZ

    IPC分类号： A01D69/02 ,  A01D34/00

    CPC分类号： A01D34/006 ,  A01B63/104 ,  A01B63/12 ,  A01D34/74

    摘要： A mower deck leveling system includes first and second electric actuators that change the spacing between a first side of the mower deck and a lawn and garden tractor frame, and the spacing between a front of the mower deck and the lawn and garden tractor frame. First and second sight levels on the mower deck indicate if the first side of the mower deck is level with a second side of the mower deck, and if the front of the mower deck is level with the back of the mower deck. At least one electric switch in the operator station is connected to the electric actuators.

    摘要翻译： 割草机平层系统包括第一和第二电动执行器，其改变割草机甲板的第一侧与草坪和花园拖拉机框架之间的间距以及割草机甲板的前部与草坪和花园拖拉机框架之间的间隔。 割草机甲板上的第一和第二视线表明割草机甲板的第一侧是否与割草机甲板的第二侧平齐，以及割草机甲板的前部是否与割草机甲板的后部平齐。 操作员站中的至少一个电开关连接到电动执行器。