Hydrostatic-mechanical drive for a mixing drum
    1.
    发明授权
    Hydrostatic-mechanical drive for a mixing drum 失效
    用于混合鼓的静液压 - 机械驱动

    公开(公告)号:US6074083A

    公开(公告)日:2000-06-13

    申请号:US125160

    申请日:1998-08-13

    摘要: A hydrostatic-mechanical drive unit for a mixing drum, especially of a mobile concrete mixer has pistons (24) of a hydraulic motor (25) that are spring-loaded so as to constantly bear, via rollers (25), on a cam surface (26). With a hydraulic pump (2) stationary, the operating mode of the hydraulic motor (6) can be reversed. In order to reliably prevent further oscillation of the mixing drum, suction valves (32, 33) are connected to lines (4, 5) leading to the hydraulic motor (6) so that when the mode principle of the hydraulic motor (6) is reversed, oil can be inducted from an oil reservoir.

    摘要翻译: PCT No.PCT / EP97 / 01432 Sec。 371日期1998年8月13日 102(e)日期1998年8月13日PCT 1997年3月21日PCT公布。 公开号WO97 / 36723 日期1997年10月9日用于混合滚筒,特别是可移动混凝土搅拌机的静液力 - 机械驱动装置具有通过辊(25)不断承受弹簧加载的液压马达(25)的活塞(24) ,在凸轮表面(26)上。 液压泵(2)静止时,液压马达(6)的运行模式可以相反。 为了可靠地防止混合筒的进一步振荡,吸入阀32,33与通向液压马达6的管路4,5连接,当液压马达6的模式原理为 相反,油可以从油藏中引入。

    Hydrostatic mechanical wheel drive
    2.
    发明授权
    Hydrostatic mechanical wheel drive 失效
    静液压机械轮驱动

    公开(公告)号:US06186262B1

    公开(公告)日:2001-02-13

    申请号:US09254566

    申请日:1999-03-08

    IPC分类号: B60K700

    摘要: In a wheel drive with a radial-piston motor (5) and a planet gear (4) a wheel hub (3) being placed on a wheel hub support (1) by means of wheel bearings (10). The wheel hub support (1) can be joined to a transmission connector (4) in a single piece and is fastened to a vehicle chassis support. A dog tooth brake (7) is located on the side of the wheel drive facing the vehicle and serves as parking brake. In a cover (2) for a hydraulic connection of the radial-piston motor (5) are integrated valves for control of the radial-piston motor (5) and of the brake (7). Short lines and delay times occur as result. The cover (2) contains inter alia a brake valve (58) for a hydraulic brake function and a displacement change-over valve (64) enabling certain cylinders (70) of the radial-piston motor (5) to be switched on or off.

    摘要翻译: 在具有径向 - 活塞马达(5)和行星齿轮(4)的轮驱动中,通过轮轴承(10)将轮毂(3)放置在轮毂支撑件(1)上。 轮毂支撑件(1)可以单个连接到传动连接器(4)并且被紧固到车辆底盘支撑件。 狗牙齿制动器(7)位于面向车辆的车轮驱动器的侧面,并用作驻车制动器。 在用于径向活塞马达(5)的液压连接的盖(2)中是用于控制径向 - 活塞马达(5)和制动器(7)的一体阀。 结果会出现短线和延迟时间。 盖(2)尤其包括用于液压制动功能的制动阀(58)和使得径向 - 活塞马达(5)的某些气缸(70)被打开或关闭的位移转换阀(64) 。

    Method and device for preventing an interruption of tension during
connection and disconnection of hydraulic motors
    3.
    发明授权
    Method and device for preventing an interruption of tension during connection and disconnection of hydraulic motors 失效
    用于防止液压马达连接和断开期间张力中断的方法和装置

    公开(公告)号:US5992145A

    公开(公告)日:1999-11-30

    申请号:US179347

    申请日:1998-09-21

    摘要: The method for preventing the interruption of tension during connection and disconnection of a first hydraulic motor to and from the power train of vehicles, in particular loaders, consists in that during the disconnection of the first hydraulic motor the high-pressure line is connected with the low-pressure line thereof, a flow distributor is readjusted so that the amount of oil fed to the first hydraulic motor is not increased, the pressure on a second hydraulic motor not to be disconnected being raised to a new value which remains constant during the disconnection, of the first hydraulic motor, a pump is readjusted to the new required (reduced) flow rate; and after adjustment of the pump to the new flow rate, the connection of the high-pressure line with the low-pressure line of the first hydraulic motor is eliminated; and during the connection of the hydraulic motor said method steps are carried out in reverse sequence.

    摘要翻译: 用于防止第一液压马达与车辆,特别是装载机的动力传动系连接和断开期间的张力中断的方法在于,在第一液压马达断开期间,高压线路与 重新调整流量分配器,使得供给第一液压马达的油量不增加,不断开的第二液压马达上的压力升高到在断开期间保持恒定的新值 ,第一液压马达,泵被重新调整到新的所需(减少的)流量; 并且在将泵调节到新流量之后,消除了高压管线与第一液压马达的低压管线的连接; 并且在液压马达的连接期间,所述方法步骤以相反的顺序进行。

    Hydrostatic-mechanical gear for driving a mixing drum
    4.
    发明授权
    Hydrostatic-mechanical gear for driving a mixing drum 失效
    用于驱动混合鼓的静液压 - 机械齿轮

    公开(公告)号:US5746509A

    公开(公告)日:1998-05-05

    申请号:US537805

    申请日:1995-10-18

    摘要: The invention concerns a hydrostatic-mechanical gear for driving a mixed drum and, in particular, the drum of a concrete mixer vehicle. Cooling is provided for by the continuous removal of oil from a high pressure circuit, via a connecting pipe, and the constant feeding of the cooled oil, which has passed through an oil cooler, to the interior of a gear housing via a pipe. This pipe discharges into the interior of the gear housing immediately proximate a hydraulic motor. The oil then flows through the hydraulic motor, which is preferably a slow-speed radial piston motor, to reduce the noise generation of the hydraulic motor.

    摘要翻译: PCT No.PCT / EP94 / 01203 371 1995年10月18日第 102(e)日期1995年10月18日PCT 1994年4月19日PCT PCT。 第WO94 / 23918号公报 日期:1994年10月27日本发明涉及用于驱动混合滚筒,特别是混凝土搅拌车的滚筒的静液压 - 机械齿轮。 通过连接管从高压回路连续除油,以及已经通过油冷却器将冷却的油经由管道恒定地供给到齿轮箱的内部来提供冷却。 该管子立即靠近液压马达排放到齿轮箱的内部。 然后,油流过液压马达,其优选是慢速径向活塞马达,以减少液压马达的噪音产生。

    Hydraulic changing device for a multi-ratio vehicle transmission
    5.
    发明授权
    Hydraulic changing device for a multi-ratio vehicle transmission 失效
    用于多档车辆变速器的液压更换装置

    公开(公告)号:US5810691A

    公开(公告)日:1998-09-22

    申请号:US727445

    申请日:1996-10-18

    摘要: The invention relates to a hydraulic changing device for a multi-ratio vehicle transmission, especially for a commercial vehicle such as a mobile excavator. The hydraulic changing device feeds gear actuator (3, 4) with pressure medium conveyed by a servopump (10). There is a control slide (26) which is acted upon by the effect of a control spring (33), on the one hand, and by a pressure in a low-pressure chamber (23), on the other. The low-pressure chamber (23) is coupled to a low-pressure pump (20) operating in dependence upon the engine speed. The arrangement is completed by a shuttle valve (6) and a leakage valve (5). The pressure prevailing in the low-pressure chamber (23) actuates the control slide (26), against the force of the control spring (23), in such a way that undesired changes from a higher to a lower gear are prevented. The hydraulic changing device, of the invention, is advantageously distinguished by its low structural and design expenditures.

    摘要翻译: PCT No.PCT / EP95 / 01422 Sec。 371日期:1996年10月18日 102(e)日期1996年10月18日PCT提交1995年4月15日PCT公布。 公开号WO95 / 29351 日期:1995年11月2日本发明涉及一种用于多比例车辆变速器的液压更换装置,特别涉及诸如移动式挖掘机的商业车辆。 液压更换装置用由伺服泵(10)输送的压力介质供给齿轮致动器(3,4)。 另一方面,控制滑块(26)由控制弹簧(33)的作用和低压室(23)中的压力起作用。 低压室(23)联接到根据发动机转速工作的低压泵(20)。 该装置由梭阀(6)和泄漏阀(5)完成。 在低压室(23)中存在的压力克服控制弹簧(23)的力来致动控制滑块26,从而防止从较高档向低档的不期望的变化。 本发明的液压更换装置的优点在于其结构和设计费用低。

    Driving device
    7.
    发明授权
    Driving device 失效
    驱动装置

    公开(公告)号:US5779586A

    公开(公告)日:1998-07-14

    申请号:US704503

    申请日:1996-09-11

    摘要: A driving device, in particular for driving the wheels of a motor vehicle, is provided with a drive and a mechanical gear downstream thereof and two hydraulically shiftable friction clutches (3) or friction brakes (4) for connecting the drive with the gear and for carrying out the functions of a parking brake. The friction clutches (3) or friction brakes (4) are connected, by control pressure lines (27, 28), with auxiliary pistons (15, 16) cooperating therewith, and when the accumulator piston (7) is actuated by the gearshift pistons (15, 16), the volume of the accumulator piston (7) is supplied by the control pressure lines (27, 28) to the gearshift pistons (15, 16) in order to uncouple them.

    摘要翻译: PCT No.PCT / EP95 / 00835 Sec。 371日期:1996年9月11日 102(e)1996年9月11日PCT PCT 1995年3月7日PCT公布。 第WO95 / 25021号公报 日期1995年9月21日特别是用于驱动机动车辆的车轮的驱动装置在其下游设置有驱动和机械齿轮,以及两个液压可移动的摩擦离合器(3)或摩擦制动器(4),用于连接驱动 与齿轮和执行驻车制动器的功能。 摩擦离合器(3)或摩擦制动器(4)通过控制压力管路(27,28)与与其配合的辅助活塞(15,16)连接,并且当蓄能器活塞(7)由换档活塞 (15,16)中,蓄能器活塞(7)的容积由控制压力线(27,28)提供给变速活塞(15,16),以使其分离。