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公开(公告)号：EP3305626A1
公开(公告)日：2018-04-11
申请号：EP16799626.3
申请日：2016-03-04
申请人： Yanmar Co., Ltd.
发明人： FUJIKI Katsumi , IWAMURA Keisuke
CPC分类号： B62D11/08 , B60Y2200/221 , B62D11/003 , B62D11/005 , B62D11/006 , B62D11/18
摘要： In a work vehicle such as a tractor, efficiency of a transmission path and operability can be enhanced while lighter weight and reduced cost can be achieved. The work vehicle includes an engine 5 mounted on a traveling body 2, a straight-traveling system transmission path including a first stepless transmission device 17, and a turning system transmission path including a second stepless transmission device 13, and is configured to combine an output of the straight-traveling system transmission path and an output of the turning system transmission path to drive left and right traveling units 3. The work vehicle also includes control sections 813 and 814 that control the output of the straight-traveling system transmission path and the output of the turning system transmission path in cooperation with each other; a transmission operation tool 822 that specifies the output of the straight-traveling system transmission path; and a detector 823 that detects the output of the straight-traveling system transmission path. The control sections 813 and 814 select one of an instruction value from the transmission operation tool 822 and an actually measured value from the detector 823 and sets the output of the turning system transmission path.
摘要翻译： 在诸如拖拉机的作业车辆中，可以提高传动路径的效率和可操作性，同时可以实现轻量化和降低成本。 作业车辆包括搭载在行驶机体2上的发动机5，具有第一无级变速装置17的直行系统的传动路径，具有第二无级变速装置13的回转系统的传动路径等， 直行系统传递路径的输出以及用于驱动左右行驶单元3的回转系统传递路径的输出。作业车辆还包括控制直行系统传递路径的输出的控制部813和814， 转弯系统传动路径的输出相互配合; 指定直行系统传输路径的输出的传输操作工具822; 以及检测直行系统传输路径的输出的检测器823。 控制部分813和814选择来自发送操作工具822的指令值和来自检测器823的实际测量值中的一个，并设置转弯系统传输路径的输出。
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公开(公告)号：EP2612804B1
公开(公告)日：2018-01-10
申请号：EP11811505.4
申请日：2011-08-30
申请人： Yanmar Co., Ltd.
IPC分类号： B62D55/02 , B62D55/104 , B62D49/06 , B62D55/30 , B62D55/125 , B62D55/15 , B62D55/24 , B62D55/135
CPC分类号： B62D55/104 , B62D49/0635 , B62D55/02 , B62D55/125 , B62D55/135 , B62D55/15 , B62D55/244 , B62D55/30
摘要： The invention provides a working vehicle structured such that it is possible to maintain a ride quality for an operator boarding on a control seat in a good state. It is provided with a travel machine body (11) which mounts an engine (8) thereon, right and left front wheels (12) which are provided in a lower side of a front portion of the travel machine body (11), a track frame (17) which is provided in a lower side of a rear portion of the travel machine body (11), right and left travel crawlers (25) which are installed to the track frame (17), a rear axle (15) which transmits a rotating force to the travel crawler (25), and oscillation supporting point shafts (27, 28) which supports the track frame (17) to the travel machine body (11) so as to freely oscillate. In the case that the rear axle (15) and the oscillation supporting point shafts (27, 28) are provided so as to be spaced, the oscillation supporting point shafts (27, 28) are arranged just below an axle case (14) to which the rear axle (15) is pivoted, and the track frame (17) is connected to the axle case (14) via link members (19, 20) which are provided in the oscillation supporting point shafts (27, 28).
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公开(公告)号：EP2612804A1
公开(公告)日：2013-07-10
申请号：EP11811505.4
申请日：2011-08-30
申请人： Yanmar Co., Ltd.
CPC分类号： B62D55/104 , B62D49/0635 , B62D55/02 , B62D55/125 , B62D55/135 , B62D55/15 , B62D55/244 , B62D55/30
摘要： The invention provides a working vehicle structured such that it is possible to maintain a ride quality for an operator boarding on a control seat in a good state. It is provided with a travel machine body (11) which mounts an engine (8) thereon, right and left front wheels (12) which are provided in a lower side of a front portion of the travel machine body (11), a track frame (17) which is provided in a lower side of a rear portion of the travel machine body (11), right and left travel crawlers (25) which are installed to the track frame (17), a rear axle (15) which transmits a rotating force to the travel crawler (25), and oscillation supporting point shafts (27, 28) which supports the track frame (17) to the travel machine body (11) so as to freely oscillate. In the case that the rear axle (15) and the oscillation supporting point shafts (27, 28) are provided so as to be spaced, the oscillation supporting point shafts (27, 28) are arranged just below an axle case (14) to which the rear axle (15) is pivoted, and the track frame (17) is connected to the axle case (14) via link members (19, 20) which are provided in the oscillation supporting point shafts (27, 28).
摘要翻译： 本发明提供了一种工作车辆，该工作车辆被构造成使得可以保持良好状态下控制座椅上的操作员的乘坐质量。 在其上安装有发动机（8）的行驶机体（11），设置在行驶机体（11）的前部的下侧的左右前轮（12），设置在行驶机体 设置在行驶机体（11）的后部下侧的车架（17）;安装在履带架（17）上的左右行驶履带（25）;后轴 向行走履带25传递旋转力，以及将履带架17支承在行驶机体11上而自由摆动的摆动支点轴27,28。 在后轴（15）与摆动支点轴（27,28）间隔设置的情况下，振动支点轴（27,28）布置在轴箱（14）至 后轴（15）枢转，并且履带架（17）通过设置在摆动支点轴（27,28）中的连杆构件（19,20）连接到轴箱（14）。
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