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    • 117. 发明申请
    • HYDRAULIC DRIVE AND BRAKING CIRCUIT FOR A MATERIAL REDUCING APPARATUS
    • 液压驱动和制动电路用于减材料
    • US20150334918A1
    • 2015-11-26
    • US14719573
    • 2015-05-22
    • Vermeer Manufacturing Company
    • Stephen Daining
    • A01D69/03F15B1/04A01D34/60
    • A01D69/03A01D34/60A01G23/00F15B1/04
    • A material reducing apparatus is provided. The material reducing apparatus includes a hydraulic pump, a rotary reducing component, a primary hydraulic circuit, and a secondary hydraulic circuit. The primary hydraulic circuit includes a hydraulic motor that drives rotation of the rotary reducing component, an inlet line for delivering pressurized hydraulic fluid to an inlet of the hydraulic motor, and an outlet line for receiving the hydraulic fluid from an outlet of the hydraulic motor. The primary hydraulic circuit also includes at least one braking valve in fluid communication with the outlet line of the hydraulic motor, and a hydraulic accumulator in fluid communication with the inlet line. The hydraulic accumulator is sized to contain a stored volume of pressurized hydraulic fluid. The secondary hydraulic circuit includes an actuator that is selectively driven by pressurized hydraulic fluid from the hydraulic pump.
    • 提供了一种材料还原装置。 材料还原装置包括液压泵,旋转减速部件,主液压回路和次级液压回路。 主液压回路包括驱动旋转减速部件的旋转的液压马达,用于将加压液压流体输送到液压马达的入口的入口管线和用于从液压马达的出口接收液压流体的出口管路。 主液压回路还包括与液压马达的出口管路流体连通的至少一个制动阀以及与入口管线流体连通的液压蓄能器。 液压蓄能器的尺寸设置成容纳存储体积的加压液压流体。 次级液压回路包括由来自液压泵的加压液压流体选择性地驱动的致动器。
    • 120. 发明授权
    • Apparatus for converting a wheeled vehicle to a tracked vehicle
    • 用于将轮式车辆转换成履带车辆的装置
    • US09079614B2
    • 2015-07-14
    • US13666843
    • 2012-11-01
    • Vermeer Manufacturing Company
    • Ronald S. Hansen
    • B62D11/20B62D55/065B62D55/14B62D55/04B62D55/125B62D55/30B62D55/10B62D55/084
    • B62D55/084B62D11/20B62D49/0635B62D55/04B62D55/065B62D55/10B62D55/104B62D55/125B62D55/14B62D55/30B62D55/305
    • The invention relates to track systems 14, 14′ that may be used to convert steerable, all-wheel drive construction equipment to steerable, multi-track construction vehicles 10. A preferred embodiment of the track system 14, 14′ includes a frame 60, 182 having a reinforcing enclosure 150, 230, a plurality of track engaging rollers 82-86, 202-206, a sprocket 102, 214, and an endless track 76, 198 operatively connected to the frame 60, 182. Tension on the endless track 76, 198 is maintained with two tensioning members 170, 244 operatively connected to the forwardmost roller 82, 202. The track system 14, 14′ preferably includes a limiting apparatus 300 that is configured to restrict the rotational movement “r” of the frame 60, 182 relative to a vehicle axle 16 to which it is attached. The limiting apparatus 300 has a first component 40, which is associated with the vehicle axle 16, is configured and arranged to interact with a second component 262, which is associated with the frame of the track system 14, 14′. Preferably, the limiting apparatus 300 is adjustable such that the range of rotational movement “r” can be varied.
    • 本发明涉及可用于将可转向的四轮驱动结构设备转换成可转向的多轨施工车辆的轨道系统14,14'。轨道系统14,14'的优选实施例包括一个框架60, 182具有加强外壳150,230,多个轨道接合辊82-86,202-206,链轮102,214和可操作地连接到框架60,182的环形轨道76,198。在环形履带上张紧 保持具有可操作地连接到最前面的辊82,202的两个张紧构件170,244。轨道系统14,14'优选地包括限制装置300,其限制框架60的旋转运动“r” ,182相对于其所连接的车辆轴16。 限制装置300具有与车辆轴16相关联的第一部件40,其配置和布置成与与轨道系统14,14'的框架相关联的第二部件262相互作用。 优选地,限制装置300是可调节的,使得可以改变旋转运动“r”的范围。