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    • 5. 发明公开
    • Driving force controller and driving force control method of working vehicle
    • Antriebskraftsteuerung und Antriebskraftsteuerungsverfahren eines Nutzfahrzeuges
    • EP2824351A3
    • 2017-03-08
    • EP14176174.2
    • 2008-05-28
    • Komatsu Ltd.
    • Saito, Yoshiaki
    • F16D48/02F16H61/40F16H59/44E02F9/22F16D31/08
    • Problems of work efficiency reduction by tire slip; durability reduction by tire damage; and large tire-changing costs for users are solved by preventing repeated tire slip occurrence in situations where tire slip likely occurs such as during excavation. A working vehicle of this invention has a work equipment, and an engine power is transmitted as driving force to the tires via a driving force transmission path. Driving force variation means for freely varying the driving force transmitted to the tires is provided in the transmission path of the working vehicle. Tire slip detection means detects tire slip occurrence. When the tire slip detection means detects tire slip, driving force measurement means measures the driving force at the time of tire slip detection. Driving force control means controls the driving force variation means such that the driving force becomes smaller than that at the time of tire slip detection.
    • 轮胎打滑工作效率降低的问题; 轮胎损坏耐久性降低; 并且通过在挖掘期间可能发生轮胎打滑的情况下防止重复的轮胎打滑来解决用户的大的轮胎更换成本。 本发明的作业车辆具有作业设备,并且通过驱动力传递路径将发动机动力作为驱动力传递到轮胎。 在工作车辆的传动路径中设置有用于自由地改变传递到轮胎的驱动力的驱动力变化装置。 轮胎滑移检测装置检测轮胎滑移发生。 当轮胎打滑检测装置检测到轮胎打滑时,驱动力测量装置测量轮胎打滑检测时的驱动力。 驱动力控制装置控制驱动力变化装置,使得驱动力变得比轮胎打滑检测时的驱动力小。
    • 7. 发明公开
    • POWER TRANSMISSION DEVICE
    • 电力传输装置
    • EP0841498A1
    • 1998-05-13
    • EP96901541.1
    • 1996-02-06
    • Mimura, Kenji
    • Mimura, Kenji
    • F16D35/00F16D31/02F16D31/08
    • F16H48/22F16D31/02F16D31/08F16D35/00F16H48/08F16H48/27
    • A power transmission device capable of transmitting power so that the power is gradually increased in accordance with a rotational speed difference, and a differential gear using the same. When a rotational speed difference occurs between a case (1) and a ball disc (3), the balls (4) move back and forth in the grooves (1b) in the case (1) as they roll along a groove (3b) in the ball disc (3). When the difference between the rotational speeds of the case (1) and ball disc (3) becomes large during this time, the resistance occurring while the balls (4) roll against a viscous fluid (6) increases, and power is transmitted between the case (1) and ball disc (3). During this time, the resistance of the viscous fluid (6) increases in accordance with the moving speed of the balls (4), so that the power being transmitted becomes gradually large in accordance with the rotational speed difference.
    • 本发明提供一种动力传递装置以及使用该动力传递装置的差动装置,该动力传递装置能够传递动力以使动力根据转速差逐渐增大。 当壳体(1)和球形盘(3)之间出现转速差时,球体(4)沿着槽(3b)滚动时在壳体(1)中的槽(1b)中前后移动, 在球形盘(3)中。 当在此期间壳体(1)和球形盘(3)的转速之间的差变大时,球(4)在粘性流体(6)上滚动时产生的阻力增加,并且动力在 案例(1)和球盘(3)。 在此期间,粘性流体(6)的阻力根据滚珠(4)的移动速度而增加,使得传递的动力根据转速差逐渐变大。
    • 9. 发明公开
    • Hydraulic transmission coupling apparatus
    • 液力传动联轴器
    • EP0401774A1
    • 1990-12-12
    • EP90110666.6
    • 1990-06-06
    • KOYO SEIKO CO., LTD.
    • Tsujita, Mitsuhiro
    • B60K17/35F16H1/455F16D31/06F16D31/08
    • F16D31/08B60K17/3505F16D31/06
    • A hydraulic transmission coupling apparatus for trans­mitting a driving force to a front wheel driving shaft and a rear wheel driving shaft of a four-wheel drive vehicle, which is provided with a pump (20, 22, 30) to generate hydraulic pressure corresponding to a rotation speed difference between both driving shafts, a reserving part (T) for reserving hydraulic fluid, a fluid room (5) disposed in the circulation passage of hydraulic fluid, and a piston (6) located in the fluid room and sliding while subjected to the hydraulic pressure in the reserving part at one side thereof. When the volume of hy­draulic fluid varies with the variation in fluid tempera­ture, the piston (6) slides and, as a result, the internal vol­ume of the fluid room varies so as to absorb the volume variation of hydraulic fluid.
    • 一种液压传动联接装置,用于将驱动力传递到四轮驱动车辆的前轮驱动轴和后轮驱动轴,所述四轮驱动车辆设置有泵(20,22,30),以产生对应于 在两个驱动轴之间的转速差,用于储存液压流体的储存部分(T),设置在液压流体的循环通道中的流体室(5)以及位于流体室中并且在受到 在其一侧的预留部分中的液压。 当液压流体的体积随着流体温度的变化而变化时,活塞(6)滑动,结果流体室的内部体积发生变化,从而吸收液压流体的体积变化。