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    PRESSURIZED MEDIUM ASSEMBLY
    4.
    发明公开
    PRESSURIZED MEDIUM ASSEMBLY 审中-公开
    DRUCKMEDIUMANORDNUNG

    公开(公告)号：EP2923090A4

    公开(公告)日：2016-06-29

    申请号：EP12888962

    申请日：2012-11-20

    申请人： VOLVO CONSTR EQUIP AB

    发明人： WIKTOR ROLAND ,  HEYBROEK KIM

    IPC分类号： F15B21/00 ,  B62D12/00 ,  E02F3/43 ,  E02F9/08 ,  E02F9/22

    CPC分类号： B62D5/20 ,  B62D12/00 ,  E02F3/431 ,  E02F9/0841 ,  E02F9/2221 ,  E02F9/2228 ,  E02F9/225 ,  F15B11/006 ,  F15B11/036 ,  F15B15/1423 ,  F15B15/20 ,  F15B2211/30575 ,  F15B2211/3144 ,  F15B2211/365 ,  F15B2211/7055

    摘要： A pressurized medium assembly includes a first working chamber and a second working chamber. The first and second working chambers are adapted to together produce a load. The pressurized medium assembly includes a first control arrangement adapted to provide a fluid communication between the first working chamber and a pressure line in an on/off manner. The pressurized medium assembly further includes a second control arrangement adapted to provide a fluid communication between the second working chamber and a pressure line. The second control arrangement is adapted to proportionally regulate the pressure in the second working chamber.

    摘要翻译： 加压介质组件包括第一工作室和第二工作室。 第一和第二工作室适于一起产生负载。 加压介质组件包括适于以开/关方式在第一工作室和压力管线之间提供流体连通的第一控制装置。 加压介质组件还包括适于在第二工作室和压力管线之间提供流体连通的第二控制装置。 第二控制装置适于成比例地调节第二工作室中的压力。

    ELECTRIC-CONTROL MULTIMODE STEERING VALVE, STEERING HYDRAULIC CONTROL SYSTEM, AND WHEEL TYPE CRANE
    5.
    发明公开
    ELECTRIC-CONTROL MULTIMODE STEERING VALVE, STEERING HYDRAULIC CONTROL SYSTEM, AND WHEEL TYPE CRANE 审中-公开
    多功能食品加工厂LENKVENTIL，HYDRAULISCHES LENKUNGSSTEUERSYSTEM UND KRAN MITRÄDERN

    公开(公告)号：EP2927094A1

    公开(公告)日：2015-10-07

    申请号：EP13858490.9

    申请日：2013-11-15

    申请人： Xuzhou Heavy Machinery Co., Ltd.

    发明人： SHI, Xianxin ,  DING, Honggang ,  YE, Haixiang ,  FANG, Xin ,  ZHANG, Fuyi

    IPC分类号： B62D5/06 ,  B62D5/08

    CPC分类号： B62D5/08 ,  B62D5/065 ,  B62D5/091 ,  B62D5/20 ,  B62D7/1509 ,  F15B13/085

    摘要： Disclosed is an electric-control multimode steering valve. The steering valve comprises: a flow distributing and collecting valve (Y), a first electromagnetic exchange valve (Y1), and a second electromagnetic exchange valve (Y2). A valve body comprises four groups of paired valve oil ports. First oil ports of the first electromagnetic exchange valve (Y1) and the second electromagnetic exchange valve (Y2) are respectively in communication with a first group of valve oil ports (PR, PL) of the valve body. Second oil ports of the first electromagnetic exchange valve (Y1) and the second electromagnetic exchange valve (Y2) are respectively in communication with a second group of valve oil ports (A1, B1) of the valve body. A third oil port of the first electromagnetic exchange valve (Y1) is in communication with a flow collecting port of the flow distributing and collecting valve (Y). A first flow distributing port of the flow distributing and collecting valve (Y) and a third oil port of the second electromagnetic exchange valve (Y2) are respectively in communication with a third group of valve oil ports (A2, B2) of the valve body. A second flow distributing port of the flow distributing and collecting valve (Y) and the third oil port of the second exchange valve (Y2) are respectively in communication with a fourth group of valve oil ports (A3, B3) of the valve body. Further disclosed are a steering hydraulic control system and a wheel type crane. The steering valve can implement multimode steering of engineering vehicles, and the working is reliable and the cost is low.

    摘要翻译： 公开了一种电控多模转向阀。 转向阀包括流量分配和收集阀（Y），第一电磁换向阀（Y1）和第二电磁换向阀（Y2）。 阀体包括四组成对的阀油口。 第一电磁换向阀（Y1）和第二电磁换向阀（Y2）的第一油口分别与阀体的第一组阀油口（PR，PL）连通。 第一电磁换向阀（Y1）和第二电磁换向阀（Y2）的第二油口分别与阀体的第二组阀油口（A1，B1）连通。 第一电磁换向阀（Y1）的第三油口与流量分配和收集阀（Y）的集流端口连通。 分流集水阀（Y）的第一分流口和第二电磁阀（Y2）的第三油口分别与阀体的第三组阀油口（A2，B2）连通 。 分流回收阀（Y）的第二分配口和第二交换阀（Y2）的第三油口分别与阀体的第四组阀油口（A3，B3）连通。 另外公开了一种转向液压控制系统和轮式起重机。 转向阀可以实现工程车辆的多模转向，工作可靠，成本低。

    WORK VEHICLE AND WORK VEHICLE CONTROL METHOD
    8.
    发明公开
    WORK VEHICLE AND WORK VEHICLE CONTROL METHOD 审中-公开
    工作车辆和工作车辆控制方法

    公开(公告)号：EP3254936A1

    公开(公告)日：2017-12-13

    申请号：EP16859846.4

    申请日：2016-10-26

    申请人： Komatsu Ltd.

    发明人： TAKENAKA, Yuita ,  NAKABAYASHI, Masanobu ,  IKARI, Masanori

    IPC分类号： B62D6/00 ,  B62D1/12 ,  B62D5/28 ,  B62D12/00

    CPC分类号： B62D6/008 ,  B62D1/12 ,  B62D5/006 ,  B62D5/091 ,  B62D5/20 ,  B62D6/002 ,  B62D6/02 ,  B62D6/08 ,  B62D12/00 ,  E02F9/0841 ,  E02F9/2004 ,  E02F9/225

    摘要： A wheel loader (1) is an articulated type in which a front frame (11) and a rear frame (12) are linked. A force imparting component (27) of the wheel loader (1) imparts an assist force or a counterforce to the operation of the joystick lever (24). A controller (28) controls the force imparting component (27) so that a counterforce is imparted to the operation of the joystick lever (24) when it is detected that the joystick lever (24) has been operated in the opposite direction from the rotational direction of the front frame (11), on the basis of detections of a first rotational angle detector (101) and a second rotational angle detector (102).

    摘要翻译： 轮式装载机（1）是连结前框架（11）和后框架（12）的铰接式。 轮式装载机（1）的力施加部件（27）对操纵杆杠杆（24）的操作施加辅助力或反作用力。 控制器（28）控制力施加部件（27），使得当检测到操纵杆（24）已经在与旋转方向相反的方向上操作时，对操纵杆杠杆（24）的操作施加反作用力 基于第一旋转角度检测器（101）和第二旋转角度检测器（102）的检测，确定前框架（11）的方向。

    FORKLIFT
    9.
    发明公开
    FORKLIFT 审中-公开
    GABELSTAPLER

    公开(公告)号：EP3078573A4

    公开(公告)日：2017-08-30

    申请号：EP14868168

    申请日：2014-10-16

    申请人： DOOSAN CORP

    发明人： HAN DONG HO

    IPC分类号： B62D6/02 ,  B62D5/06 ,  B62D5/08 ,  B62D5/20 ,  B66F9/075

    CPC分类号： B66F9/07568 ,  B62D5/063 ,  B62D5/08 ,  B62D5/20 ,  B62D6/02

    摘要： The present disclosure relates to a forklift. The forklift according to the present disclosure is controlled such that when a traveling speed reaches or becomes higher than a predetermined traveling speed, a flow rate of hydraulic oil to be provided to a steering unit is reduced. Therefore, in order to implement a desired direction change, a steering wheel needs to be rotated to a relatively larger degree than when the forklift travels at a low speed. That is, straight traveling performance may be improved by reducing sensitivity of a direction change of the forklift to an operation of the steering wheel.

    摘要翻译： 本公开涉及一种叉车。 本发明的叉车被控制为，在行驶速度达到规定的行驶速度以上的情况下，使向转向装置供给的工作油的流量减少。 因此，为了实现期望的方向改变，方向盘需要旋转到比铲车低速行驶时相对更大的程度。 即，通过降低叉车的方向变化对方向盘的操作的灵敏度，可以提高直行性能。