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    • 1. 发明专利
    • KR102223172B1 - Agricultural vehicle including torque estimation function
    • KR102223172B1
    • 2021-03-04
    • KR1020160000566A
    • 2016-01-04
    • 엘에스엠트론 주식회사
    • 김택성
    • A01B71/00A01B76/00G01L3/02
    • A01B71/00A01B76/00G01L3/02
    • 본 발명은 토크 산출 기능을 구비하는 농업용 차량에 관한 것으로서, 보다 구체적으로는 변속기 출력단에 인가되는 부하에 따른 회전 주기의 지연을 측정한 후, 이를 이용하여 토크를 산출하는 기능을 구비하는 농업용 차량에 관한 것이다.
      본 발명에 따른 농업용 차량는, 엔진 출력단에서의 회전수를 계측하는 제1 센서; 변속기 출력단에서의 회전수를 계측하는 제2 센서; 상기 변속기 출력단에 부하가 인가되지 않은 상태(무부하 상태)에서의 상기 제1 센서 및 제2 센서의 측정치(무부하 데이터)와, 상기 변속기 출력단에 부하가 인가된 상태(부하 상태)에서의 상기 제1 센서 및 제2 센서의 측정치(부하 데이터)를 저장하는 저장 수단; 및 상기 제1 센서, 제2 센서 및 저장 수단을 제어하고, 상기 무부하 데이터와 상기 부하 데이터를 비교하여, 상기 변속기 출력단에 부하가 인가됨에 따른 상기 변속기 출력단에서의 회전 주기의 지연 정도를 산정한 후, 상기 지연 정도를 고려하여 상기 변속기 출력단에서의 토크를 산출하는 제어 수단을 포함하여 구성되는 것을 특징으로 하는 농업용 차량을 제공한다.
    • 2. 发明专利
    • Tractor
    • 拖拉机
    • JP2014143965A
    • 2014-08-14
    • JP2013015224
    • 2013-01-30
    • Iseki & Co Ltd井関農機株式会社
    • ONO HIROYOSHITAKAHASHI HISASHI
    • A01B71/00B60K17/28B60K25/00B60K25/06B60L15/20
    • Y02T10/7275
    • PROBLEM TO BE SOLVED: To provide a tractor which uses an electric motor as a driving source and is configured compact by preventing enlargement of the electric motor.SOLUTION: In a tractor using an electric motor 6 as a driving source, the electric motor 6 is a PTO (power take-off) electric motor 6 for driving a working machine 14 having fixed torque characteristics, a PTO output part to a PTO output shaft 13 for driving the working machine 14 is installed on the output side of the electric motor 6, a revolution number representing the fixed torque characteristics of the electric motor 6 is set two times or more and three times or less the maximum value of the revolution number of the PTO output shaft 13, a PTO deceleration part 30 for obtaining the maximum value of the revolution number of the PTO output shaft 13 is installed between the PTO output part and the electric motor 6, and a traveling output part to traveling devices 18, 19 is installed on the output side of the PTO deceleration part 30. By installing the PTO deceleration part 30 between the PTO output part and the PTO electric motor 6, the PTO electric motor 6 can be miniaturized and a power source, such as a battery 5, can be miniaturized.
    • 要解决的问题:提供一种使用电动机作为驱动源的拖拉机,并且通过防止电动马达的扩大而构造得紧凑。解决方案:在使用电动机6作为驱动源的拖拉机中,电动机6是 用于驱动具有固定转矩特性的工作机14的PTO(动力输出)电动机6,用于驱动工作机14的PTO输出轴13的PTO输出部安装在电动机6的输出侧, 表示电动机6的固定转矩特性的转数设定为PTO输出轴13的转数的最大值的两倍以上且三倍以下,用于获得PTO输出轴13的最大值的PTO减速部30 PTO输出轴13的转速安装在PTO输出部和电动机6之间,行驶装置18,19的行驶输出部安装在PTO减速器的输出侧 通过在PTO输出部和PTO电动机6之间安装PTO减速部30,可以使PTO电动机6小型化,并且能够使诸如电池5的电源小型化。
    • 4. 发明专利
    • Working vehicle
    • 工作车辆
    • JP2010017156A
    • 2010-01-28
    • JP2008182452
    • 2008-07-14
    • Yanmar Co Ltdヤンマー株式会社
    • YOKOYAMA KAZUHISAHAYASHI KEIICHI
    • A01B71/00B60K17/28B60K35/00B60R16/02B62D49/00
    • PROBLEM TO BE SOLVED: To provide a working vehicle which can be suitably used for efficiently and accurately displaying rotational numbers of an engine and a PTO shaft on an instrument panel by using existing apparatuses, enabling common use of an instrument panel as a part even in the production of vehicles having different types and producible in improved productivity at a reduced cost. SOLUTION: The working vehicle comprises an engine 6 having an engine generator 100 near the engine, a PTO shaft 60 to transmit the power of the engine 6 to a working machine 21, and a displaying part 19 to display the rotational numbers of the PTO shaft 60 and the engine 6 through a controller 109. The engine generator 100 has a signal measuring part 107 in a rectification circuit 99 to measure pulse signals generated from the engine generator 100, and the controller 109 calculates the rotational numbers of the engine 6 and the PTO shaft 60 through the real rotational number of the engine generator 100 based on the pulse signals obtained by the signal measuring part 107 and displays the calculated rotational numbers on the displaying part 19. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供一种能够适用于通过使用现有装置在仪表板上有效且准确地显示发动机和PTO轴的转数的作业车辆,能够将仪表板的共同使用作为 即使在生产具有不同类型的车辆的生产中也可以以低成本提高生产率。 解决方案:作业车辆包括在发动机附近具有发动机发电机100的发动机6,将发动机6的动力传递到作业机21的PTO轴60以及显示部19, PTO轴60和发动机6通过控制器109.发动机发电机100在整流电路99中具有测量从发动机发电机100产生的脉冲信号的信号测量部107,并且控制器109计算发动机的转速 基于由信号测量部件107获得的脉冲信号,通过发动机发电机100的实际转速,将PTO轴60和PTO轴60显示在显示部分19上。(C)2010年, JPO&INPIT
    • 6. 发明专利
    • Power takeoff clutch operation structure of work vehicle
    • 电动起落架离合器工作车辆的操作结构
    • JP2008074131A
    • 2008-04-03
    • JP2006252344
    • 2006-09-19
    • Kubota Corp株式会社クボタ
    • AOYAMA KENICHIOKAMOTO MUNEHARUTAKADA FUMIOUMEMOTO SUSUMUMORIMOTO ISAMUHIWATARI AKIRA
    • B60K17/28A01B71/00
    • PROBLEM TO BE SOLVED: To constitute a power takeoff clutch operation structure of a work vehicle to perform a manual operation to the actuating and stopping state of a power takeoff operation means, and a manual operation to the transmission and cutoff state of a power takeoff clutch without a sense of incongruity when the structure is provided with the power takeoff operation means.
      SOLUTION: This structure comprises the power takeoff operation means for operating a power takeoff clutch 29 to a cutoff state accompanied by the upward driving of a link mechanism 6, and operating the power takeoff clutch 29 to a transmission state accompanied by the downward driving of the link mechanism 6. The power takeoff switch 33 is constituted operable to a transmission position in which the power takeoff operation means is operated to the stop state and the power takeoff clutch 29 is operated to the transmission state, a cutoff position in which the power takeoff operation means is operated to the stop state and the power takeoff clutch 29 is operated to the cutoff state, and an automatic position in which the power takeoff operation means is operated to the actuation state. The transmission position is located on one side and the automatic position is located on the other side across the cutoff position.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了构成作业车辆的动力输出离合器操作结构,以对动力输出操作装置的启动和停止状态执行手动操作,并且对于发送和切断状态进行手动操作 当结构设置有动力输出操作装置时,没有不协调感的动力输出离合器。 解决方案:该结构包括用于将动力输出离合器29操作到伴随着连杆机构6的向上驱动的截止状态的动力输出操作装置,并且将动力输出离合器29操作到伴随着向下的传动状态 驱动连杆机构6.动力输出开关33构成为能够将动力输出动作装置动作至停止状态,动力输出离合器29动作至变速器状态的变速器位置, 动力输出操作装置被操作到停止状态,并且动力输出离合器29被操作到截止状态,并且动力输出操作装置被操作到致动状态的自动位置。 传动位置位于一侧,自动位置位于另一侧跨过切断位置。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Tractor
    • 拖拉机
    • JP2006306236A
    • 2006-11-09
    • JP2005130429
    • 2005-04-27
    • Kubota Corp株式会社クボタ
    • OTANI TOSHIKATSU
    • B62D25/16A01B71/00
    • PROBLEM TO BE SOLVED: To separate an operation lever so as not to interfere with another operation lever, to arrange the operation lever at an easy-to-operate position, and to improve the operability of a plurality of the operation levers as a whole.
      SOLUTION: In the tractor, a driver's seat is provided between a pair of right and left rear wheel fenders, and the plurality of the operation levers is provided between the driver's seat and a first rear wheel fender. At lease one operation lever is supported on an outer surface side of the rear wheel fender, and a grip portion side of the operation lever is projected out to an inner side in a lateral direction of the rear wheel fender while penetrating the rear wheel fender.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了分离操作杆以不干扰另一个操作杆,将操作杆布置在易于操作的位置,并且将多个操作杆的可操作性提高为 整个。 解决方案:在拖拉机中,驾驶员座位设置在一对左右后轮挡泥板之间,多个操作杆设置在驾驶员座椅和第一后轮挡泥板之间。 至少一个操作杆被支撑在后轮挡泥板的外表面侧上,并且操作杆的抓握部侧在穿过后轮挡泥板的同时在后轮挡泥板的横向方向上的内侧突出。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • External oil pressure takeout device of agricultural tractor
    • 农业拖拉机外部油压推出装置
    • JP2005306156A
    • 2005-11-04
    • JP2004124254
    • 2004-04-20
    • Iseki & Co Ltd井関農機株式会社
    • SAKURAHARA KIYOBUMITAKASUKA MAKOTO
    • A01B71/00B60K17/10
    • PROBLEM TO BE SOLVED: To provide an external oil pressure takeout device for an agricultural tractor as improvement of the conventional arrangement in which connectors of a so-called external oil pressure takeout device to supply the oil pressure to a working machine are installed around a cylinder case fitted with a lift arm and which involves such problems that a link mechanism etc. constitutes obstacle and the mounting and removing operations of a hydraulic hose are troublesome.
      SOLUTION: A left 16a and a right stay 16b are installed upright behind a maneuvering seat 13 positioned in the rear of the tractor, and the tops of the stays are connected together by a frame 16c stretching in the horizontal direction. The frame 16c is furnished with brackets 32A and 32B, which are mounted removably for holding a plurality of connectors 33A and 33B for taking out the external oil pressure. The brackets are provided in a plurality of pieces for each hydraulic actuator of an external working machine.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种用于农用拖拉机的外部油压取出装置作为传统布置的改进,其中安装了用于向作业机器供应油压的所谓的外部油压取出装置的连接器 围绕安装有提升臂的气缸体,并且涉及这样的问题,即连杆机构等构成障碍物,并且液压软管的安装和拆卸操作是麻烦的。 解决方案:左脚架16a和右支架16b直立安装在位于拖拉机后部的操纵座椅13的后面,并且支柱的顶部通过在水平方向上延伸的框架16c连接在一起。 框架16c配有托架32A和32B,托架32A和32B可移除地安装,用于保持多个用于取出外部油压的连接器33A和33B。 每个用于外部工作机械的液压致动器的托架被设置成多个。 版权所有(C)2006,JPO&NCIPI