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    • 62. 发明公开
    • METHOD OF CONTROLLING HYDRAULIC PRESSURE IN SPEED CHANGE MECHANISM HAVING HYDRAULIC CLUTCH
    • 枸杞子枸橼酸UM EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN
    • EP1132660A4
    • 2006-03-29
    • EP99972294
    • 1999-11-11
    • YANMAR DIESEL ENGINE COKANZAKI KOKYUKOKI MFG CO LTD
    • KATOU KATSUNORIMATSUFUJI MIZUYA
    • F16H59/14F16H59/42F16H61/02F16H61/06F16H61/08F16H61/684F16H61/70
    • F16H61/061F16H59/14F16H59/42F16H61/0206F16H61/08F16H61/684F16H61/70F16H2061/0209F16H2061/0462F16H2306/52Y10T477/638Y10T477/688Y10T477/6937Y10T477/69383
    • A speed change mechanism (1) constructed by connecting in tandem a hydraulic type speed change unit (17) having a plurality of hydraulic clutches (57, 58, 59) to be alternatively engaged and a hydraulic type speed change unit (20) having a plurality of hydraulic clutches (66, 67, 68) to be alternatively engaged, wherein a time-varying region (common slip region) is secured in which the two clutches slip in common such that during speed change, when the working hydraulic pressure in a clutch to be engaged is on its way to gradual increase, the working hydraulic pressure in a clutch to be disengaged lowers. This common slip region is made smaller during shift-down than during shift-up by a change in time-difference between the pressure increase start time for the clutch to be engaged and the pressure decrease start time for the clutch to be disengaged or by a change in the pressure decrease property of the clutch to be disengaged, and is maintained constant irrespective of whether one or two hydraulic clutches are engaged and disengaged during speed change respectively or irrespective of a difference in engine rpm.
    • 一种变速机构(1),其通过串联连接具有多个待交替接合的多个液压离合器(57,58,59)的液压式变速单元(17)构成,液力变速单元(20)具有 多个液压离合器(66,67,68)可选择地接合,其中确保了两个离合器共同滑动的时变区域(公共滑动区域),使得在变速期间,当一个 要接合的离合器正在逐渐增加,要脱离的离合器中的工作液压降低。 该偏移区域在偏移期间比通过待接合离合器的增压开始时间与要脱离的离合器的减压开始时间之间的时间差的变化相比在偏移期间更小,或者通过 改变要分离的离合器的压力降低特性,并且不管一个或两个液压离合器是否在变速变化期间接合和分离,或者不考虑发动机转速的差异,都保持恒定。
    • 66. 发明公开
    • SWING OPERATION VEHICLE
    • 摇摆操作车辆
    • EP1306490A1
    • 2003-05-02
    • EP01926109.8
    • 2001-05-01
    • Yanmar Diesel Engine Co. Ltd.Seirei Industry Co., Ltd.
    • OHASHI, Tetsuhiro, Seirei Industry Co., LtdOYAMADA, Yasuyuki, Seirei Industry Co., Ltd.NOBAYASHI, Takafumi, Seirei Industry Co., Ltd
    • E02F9/00B60K11/04B60K13/04B62D25/08
    • E02F9/0891B60K11/04B60K13/04B60K15/063B62D25/10B62D33/0625E02F3/325E02F3/964E02F9/0883F01P3/18F01P2070/52
    • A swivel body (2) is mounted horizontally swivelably on a traveling device (1) and provided thereon with a hydraulically-operated working system (7). Assuming that a side end of the swivel body where the hydraulically-operated working system is provided serves as a front end of the swivel body, an engine (23) is disposed in a rear portion of the swivel body and covered with a bonnet (14). A hydraulic oil tank (43) for the hydraulically-operated working system is disposed below the lower end of the bonnet along one of the left and right side ends of the swivel body so that the longitudinal direction of the hydraulic oil tank agrees with the fore-and-aft direction of the swivel body. A radiator (38) is disposed upward on the hydraulic oil tank. A fuel tank (45), a battery (55) and a hydraulic actuator (23) for swinging the hydraulically-operated working system are disposed along the other of the left and right side ends of the swivel body. The battery, the radiator and a part of the fuel tank are disposed within the bonnet so as to be stored within full lengths of the engine in the fore-and-aft direction and the left-and-right direction.
    • 旋转体(2)水平地可摆动地安装在行进装置(1)上并在其上设置有液压操作系统(7)。 假定设置有液压操作系统的旋转体的侧端用作旋转体的前端,发动机(23)设置在旋转体的后部并用发动机罩(14)覆盖 )。 用于液压操作的工作系统的液压油箱(43)沿着旋转体的左右侧端之一设置在发动机罩下端的下方,使得液压油箱的纵向方向与前端一致 旋转体的向后方向。 散热器(38)设置在工作油箱上方。 沿着旋转体的左右侧端中的另一个设置有燃料箱(45),电池(55)和用于摆动液压操作的工作系统的液压致动器(23)。 电池,散热器和燃料箱的一部分设置在发动机罩内,以便在前后方向和左右方向上存储在发动机的全长内。
    • 67. 发明公开
    • HYDRAULICALLY DRIVEN WORKING MACHINE
    • 水CH E E E。。。。。。
    • EP1124017A4
    • 2003-03-05
    • EP00902130
    • 2000-02-07
    • YANMAR DIESEL ENGINE CO
    • MIYANISHI MASAMI
    • E02F3/34E02F3/38E02F9/14E02F9/22E02F9/00E02F3/36
    • E02F3/38E02F3/325E02F9/2271E02F9/2275Y10S414/131
    • A hydraulically driven working machine (7), wherein a pair of supported parts (6a, 6a) are provided, in fork shape, at the base end of a boom (6), the supported parts are pivotally supported on a pair of boom supporting parts (12a, 12a) located at the upper end of a boom bracket (12), respectively, a hose guide (14) is fixedly installed on the upper end of a swing pin (13) pivotally supporting the boom bracket on a swing body (2), and hydraulic oil hoses (22, 21) for an arm cylinder (10) and a bucket cylinder (9) are guided and connected from between both these supported parts to the inside of the boom through the hose guide, also a hose guide hole (12c) is provided in each boom supporting part (12a) on the lower side thereof, and a hydraulic hose (23) for a boom cylinder (11) is inserted into it and, midway on the rear surface of the boom, a hydraulic hose (22) is taken out from the inside of the boom through a hose mounting plate (33) and connected to an external hose (22a) connected to the arm cylinder and then, at the tip of the boom, the hydraulic hose (21) is taken out from the inside of the boom through the rear inclination surface (50c) of the angle rib (50) and connected to an external hose (21a) connected to the bucket cylinder.
    • 一对支撑部分(6a和6a)以分叉的方式设置在作业机械(7)的悬臂(6)的基端上,并且支撑部分分别枢转在一对悬臂支撑部分(12a)上 和12a),并且软管引导件(14)固定在摆动销(13)的上端,用于将悬臂支架枢转在转盘(2)上。 用于斗杆缸(10)的操作油软管(22)和用于铲斗缸(9)的操作油软管(21)从两个支撑部分之间被引导并管道入动臂。 在每个悬臂支撑部分(12a)的下方设置有软管引导孔(12c),使得用于动臂缸(11)的操作油软管(23)插入各个软管引导孔中。 在动臂的后表面的中间部分,操作油软管(22)通过软管安装板(33)从动臂的内部取出,并连接到连接到臂的各个外部软管(22a) 圆筒。 在一个尖端和悬臂上,操作油软管(21)通过角肋(50)的后侧倾斜表面(50c)从动臂的内部被拉出,以便连接到相应的外部软管 21a)与铲斗缸相关联。