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    • 6. 发明公开
    • A VEHICLE
    • 一辆车
    • EP2729351A1
    • 2014-05-14
    • EP12732860.7
    • 2012-06-29
    • Gale, David Andrew
    • Gale, David Andrew
    • B62K5/00B62K5/02B60G21/073B62D9/02B62D21/11B60G21/10B62D61/00B62D61/06B62D61/08B62K5/08B60G3/01B60G15/06
    • B62D9/02B60G3/08B60G3/20B60G21/073B60G21/106B60G2200/132B60G2200/144B60G2202/413B60G2202/416B60G2204/82B60G2204/8304B60G2300/13B60G2300/45B62D31/003B62K5/10B62K21/00B62K2005/001
    • There is provided a vehicle comprising a chassis, two surface-engaging front wheels, at least one surface-engaging rear wheel and a propulsion unit for driving either the front wheels or the rear wheel or wheels. Each front wheel being connected to the chassis by means of a front wheel support assembly, wherein the front wheel support assembly comprises a hydraulic cylinder associated with each front wheel. Each hydraulic cylinder comprises a housing connected to one of the chassis and the front wheel support assembly, and a piston connected to the other of the front wheel support assembly and the chassis. The piston is moveable within the housing and arranged to divide the hydraulic cylinder into first and second chambers each having respective ports arranged to allow hydraulic fluid to enter and exit the respective chamber, the ports of the first chambers of each hydraulic cylinder being in fluid communication and the ports of the second chambers of each hydraulic cylinder being in fluid communication such that movement of hydraulic fluid from the first or second chamber of one hydraulic cylinder to the respective first or second chamber of the other hydraulic cylinder displaces the pistons of the hydraulic cylinders in opposing directions relative to the respective housings to enable the vehicle to tilt.
    • 提供了一种包括底盘,两个表面接合前轮,至少一个表面接合后轮和用于驱动前轮或后轮的推进单元的车辆。 每个前轮通过前轮支撑组件连接到底盘,其中前轮支撑组件包括与每个前轮相关联的液压缸。 每个液压缸包括连接到底盘和前轮支撑组件中的一个的壳体,以及连接到前轮支撑组件和底盘中的另一个的活塞。 活塞可在壳体内移动并且布置成将液压缸分成第一和第二腔室,每个腔室具有布置成允许液压流体进入和离开相应腔室的相应端口,每个液压缸的第一腔室的端口流体连通 并且每个液压缸的第二腔室的端口流体连通,使得液压流体从一个液压缸的第一或第二腔室到另一个液压缸的相应第一或第二腔室的移动使液压缸的活塞 在相对于各个壳体的相反方向上使车辆倾斜。
    • 9. 发明公开
    • BASE UNIT FOR A VEHICLE
    • BASISEINHEITFÜREIN FAHRZEUG
    • EP2906495A1
    • 2015-08-19
    • EP13777314.9
    • 2013-10-09
    • Niftylift Limited
    • BOWDEN, Roger
    • B66F11/04B60G17/005
    • B60G17/021B60G3/08B60G17/005B60G2204/46B60G2300/06B60K7/00B66F11/04B66F11/046
    • A base unit for a vehicle such as a mobile work platform includes a chassis and multiple wheels, at least one of the wheels being mounted on the chassis by a suspension mechanism including a suspension element. The suspension element pivots relative to the chassis about a substantially horizontal pivot axis between an upper position and a lower position, and a stop member engages the suspension element in the upper position to limit its upwards movement. A biasing mechanism exerts a biasing force on the suspension element to urge the suspension element upwards towards the upper position. The biasing mechanism includes an actuator which adjusts the biasing force so that, in a first operating condition, the biasing force is greater than the force needed to maintain the suspension element in engagement with the stop member when the wheel is suspended, and in a second operating condition the biasing force is less than the force needed to maintain the suspension element in engagement with the stop member when the wheel is suspended.
    • 用于诸如移动工作平台的车辆的基座单元包括底盘和多个车轮,至少一个车轮通过包括悬挂元件的悬挂机构安装在底盘上。 悬挂元件相对于底盘围绕大致水平的枢转轴线在上部位置和下部位置之间枢转,并且止动构件将悬挂元件接合在上部位置以限制其向上移动。 偏置机构在悬挂元件上施加偏置力,以将悬挂元件向上朝向上部位置推动。 偏置机构包括调节偏压力的致动器,使得在第一操作状态下,当车轮悬架时,偏置力大于将悬架元件保持与停止构件接合所需的力,并且在第二操作状态下 操作条件是当轮悬挂时,偏压力小于将悬架元件保持与止动构件接合所需的力。