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公开(公告)号：US4784013A
公开(公告)日：1988-11-15
申请号：US928098
申请日：1986-11-07
申请人： Kojiro Yamaoka , Koichiro Fujisaki
发明人： Kojiro Yamaoka , Koichiro Fujisaki
IPC分类号： F15B21/04 , B60K17/04 , B60K17/10 , F16H57/02 , F16H57/025
CPC分类号： B60K17/105 , Y10T74/19991 , Y10T74/2186
摘要： The present invention relates to a driving apparatus which is attached with a HST system transmission and used for a light tractor or the like and which is simple in construction and easy to assemble, inspect and repair.
摘要翻译： 本发明涉及一种搭载有HST系统变速器的驱动装置，用于轻型拖拉机等，结构简单，易于组装，检修。
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公开(公告)号：US4882940A
公开(公告)日：1989-11-28
申请号：US306223
申请日：1989-02-03
CPC分类号： A01D34/6806 , B60K17/10 , A01D2101/00
摘要： The present invention provides a simple and compact power transmission mechanism for a tractor or similar vehicle having mounted thereto a mechanical attachment such as a lawn mower. The power transmission mechanism includes an engine which transmits driving power to ground engaging wheels through a driving power transmission unit and to the mechanical attachment through a driving speed changing unit positioned atop the transmission unit and operatively interconnected to the drive shaft thereof. The driving speed changing unit includes an input shaft which receives engine driving power for driving the drive shaft through a differential gear unit. Engine power is transmitted to the attachment through a belt from a power take-off unit coupled to the input shaft.
摘要翻译： 本发明提供了一种用于拖拉机或类似车辆的简单紧凑的动力传递机构，其已经安装有诸如割草机的机械附件。 动力传递机构包括：发动机，其通过驱动动力传递单元将驱动力传递到接地轮，并且通过位于变速器单元顶部并可操作地与其驱动轴相互连接的驱动变速单元传递到机械附件。 驱动变速单元包括：输入轴，其通过差速齿轮单元接收用于驱动驱动轴的发动机驱动力。 发动机动力通过皮带从耦合到输入轴的动力输出单元传递到附件。
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公开(公告)号：US4148382A
公开(公告)日：1979-04-10
申请号：US754551
申请日：1976-12-27
申请人： Kojiro Yamaoka , Toshiro Azuma , Koichiro Fujisaki
发明人： Kojiro Yamaoka , Toshiro Azuma , Koichiro Fujisaki
IPC分类号： B60K17/06 , B60W10/10 , B60W10/12 , B60W10/18 , B60W10/184 , F16H3/16 , F16H37/04 , F16H61/20 , F16H61/36 , F16H61/684 , F16H63/02 , F16H63/12 , F16H63/30 , B60K29/02
CPC分类号： F16H3/16 , F16H37/043 , F16H61/20 , F16H61/36 , F16H61/684
摘要： A vehicle power transmission for tractors and the like having a fluid operated speed-change mechanism which comprises a plurality of rotatably mounted speed-change gears arranged on a lay shaft and a plurality of fluid actuated clutches associated with the respective speed-change gears for selectively connecting each of the gears to the lay shaft. A brake is provided which selectively brakes the lay shaft at the non-operation state of the fluid operated speed-change mechanism. The brake prevents unexpected transmission of power through the speed-change mechanism at the non-operation state of the mechanism, thereby preventing problems such as an unexpected start of the vehicle.
摘要翻译： 一种用于具有流体操作的变速机构的拖拉机等的车辆动力传递装置，其包括布置在副轴上的多个可旋转地安装的变速齿轮和与各个变速齿轮相关联的多个流体驱动的离合器，用于选择性地 将每个齿轮连接到副轴。 提供制动器，其在流体操作的变速机构的非操作状态下选择性地制动副轴。 制动器在机构的非操作状态下防止通过变速机构的意外的动力传递，从而防止诸如车辆的意外启动之类的问题。
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公开(公告)号：US4579183A
公开(公告)日：1986-04-01
申请号：US700484
申请日：1985-02-11
IPC分类号： B60K17/10 , B60K17/28 , B60K17/344 , F16D25/0638 , F16D67/04 , F16H37/06 , F16H37/08
CPC分类号： B60K17/105 , B60K17/28 , B60K17/344 , F16D25/0638 , F16D67/04
摘要： Transmission for working vehicles having forcedly driven rear wheels (2) as well as rear-PTO shaft (17) and mid-PTO shaft (19) for driving working implements is disclosed. The transmission includes a hydrostatic transmission (7) fixedly provided on the front of transmission case (8) so as to use pump shaft (23) thereof for the input of working implement-driving power at a high level into transmission case (8) from which the rear-PTO shaft (17) extends backwardly at a middle level and so as to permit a low level arrangement of the mid-PTO shaft (19). Within the transmission case (8), clutch means (31, 36) and speed-change means (32) for PTO-line are arranged at an upper half whereas speed-change gearing (43) and differential gearing (44) for vehicle drive line are arranged at a lower half by employing motor shaft (22) of the hydrostatic transmission as input shaft. A compact arrangement of transmission components is achieved so that transmission case (8) may be reduced in length as well as in weight.
摘要翻译： 公开了具有强制驱动的后轮（2）以及用于驱动作业工具的后PTO轴（17）和中间PTO轴（19）的工作车辆的变速器。 变速器包括固定地设置在变速箱（8）的前部上的静液压变速器（7），以便使用泵轴（23）将工作机构驱动力高位输入到变速箱（8）中， 后PTO轴（17）在中间水平向后延伸并且允许中PTO轴（19）的低水平布置。 在变速箱（8）内，用于PTO管线的离合器装置（31,36）和变速装置（32）布置在上半部，而用于车辆驱动的变速齿轮传动装置（43）和差动齿轮传动装置（44） 通过使用静液压传动装置的电动机轴（22）作为输入轴，在下半部排列。 实现传动部件的紧凑布置，使得变速箱（8）的长度和重量可以减小。
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公开(公告)号：US4856368A
公开(公告)日：1989-08-15
申请号：US212173
申请日：1988-06-27
申请人： Koichiro Fujisaki , Ryota Ohashi , Shusuke Nemoto
发明人： Koichiro Fujisaki , Ryota Ohashi , Shusuke Nemoto
IPC分类号： B60K17/10
CPC分类号： B60K17/105 , Y10T74/2186
摘要： An axle driving apparatus for a small-sized vehicle, such as a tractor, which divides its axle casing into first and second axle casings. A hydraulic pump, provided with a vertical pump shaft, is disposed within one of the axle casings. A hydraulic motor, provided with a horizontal motor shaft; a speed reduction shaft; and a differential gear unit, are disposed within the other of said axle casings. This configuration allows a driving force to be transmitted from the vertical pump shaft to the horizontal motor shaft.
摘要翻译： 一种用于小型车辆（例如拖拉机）的车轴驱动装置，其将其轴套分为第一和第二轴箱。 设置有竖直泵轴的液压泵设置在一个轴箱内。 液压马达，配有水平马达轴; 减速轴; 和差速齿轮单元，设置在所述轴箱的另一个内。 该构造允许驱动力从垂直泵轴传递到水平马达轴。
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公开(公告)号：US4613024A
公开(公告)日：1986-09-23
申请号：US698140
申请日：1985-02-04
IPC分类号： B60K17/06 , B60K17/10 , B60K17/28 , B60K17/344 , F16D25/0638 , F16D67/04 , F16H3/08 , F16H3/083 , F16H63/02 , F16H63/06 , F16H63/12 , F16H63/30 , F16D25/063 , F16D55/40
CPC分类号： B60K17/344 , B60K17/105 , B60K17/28 , F16D25/0638 , F16D67/04
摘要： A transmission shaft (62) mounting thereon fluid-operated clutch means (68) which discontinues selectively the input of power to such shaft is enclosed at one end portion thereof by a hollow cylinder (86) projected inwardly from an inner wall surface of transmission case (28) for power transmission. An annular groove (89) formed to said one end portion of shaft (62) at the outer peripheral surface thereof and communicated to the clutch means (68) via fluid path (85) in the shaft (62) is sealed by the hollow cylinder (86) so as to form an annular fluid chamber (90) which constitutes a rotary joint portion of fluid conduit line for the clutch means (68). Braking mechanism of a brake (69) associated with the clutch means (69) for braking the shaft (62) in the non-operated state of clutch is arranged within the hollow cylinder (86) by employing such cylinder as brake case. The rotary joint portion and brake (69) are thus arranged within transmission case (28) without a need of structure arranged outside the case (28).
摘要翻译： 安装在其上的流体操作的离合器装置（68）上的传动轴（62）通过从变速器壳体的内壁表面向内突出的中空圆筒（86）封闭在其一端部上 （28）用于动力传递。 通过轴（62）中的流体路径（85）在其外周面上形成于轴（62）的一端部并与离合器装置（68）连通的环形槽（89）被中空筒 （86），以形成构成用于离合器装置（68）的流体导管线的旋转接头部分的环形流体室（90）。 在离合器的非操作状态下用于制动轴（62）的离合器装置（69）的制动器（69）的制动机构通过采用这种气缸作为制动器壳体布置在中空圆筒（86）内。 因此，旋转接头部分和制动器（69）被布置在变速箱（28）内，而不需要布置在壳体（28）外部的结构。
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公开(公告)号：US4643442A
公开(公告)日：1987-02-17
申请号：US761886
申请日：1985-08-02
IPC分类号： E02F9/22 , A01B63/00 , A01B63/10 , F15B11/17 , A01B59/043
CPC分类号： A01B63/1006
摘要： In a working vehicle having hydraulic lift cylinder (39) on the top of rear end of the vehicle and seat (34) above the cylinder case (33) of such cylinder, fluid supply system is provided which supplies fluid from a single pump (47) to both of the lift cylinder and fluid-operated working implements. This system comprises first and second valve assemblies (49, 50), connected in series and mounted on the cylinder case (33), for controlling operation of the lift cylinder and working implements, respectively. The second valve assembly (50) is particularly disposed, for an easy mounting and piping, horizontally along a lateral direction within large open space before the cylinder head (81) of cylinder case (33) and below the seat (34) by mounting same to the front of head (81). For this, stop valve (52) for lift cylinder (39) is disposed within the head (81) so as to be displayed laterally and a vertical seating surface (96) is formed to the front of head (81).
摘要翻译： 在具有在车辆后端顶部的液压提升缸（39）和该气缸的气缸壳体（33）上方的座（34）的工作车辆中，提供了从单个泵（47）提供流体的流体供应系统 ）到提升缸和流体操作的作业工具。 该系统包括串联连接并安装在气缸壳体（33）上的第一和第二阀组件（49,50），用于分别控制提升缸和作业工具的操作。 第二阀组件（50）特别设置用于通过安装相同的方式在气缸壳体（33）的气缸盖（81）和座椅（34）下方的大开放空间内在横向方向上水平地安装和管道 到头部（81）的前部。 为此，用于提升缸（39）的截止阀（52）设置在头部（81）内以便横向显示，并且在头部（81）的前部形成有垂直的安装表面（96）。
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公开(公告)号：US5447028A
公开(公告)日：1995-09-05
申请号：US251971
申请日：1994-06-01
申请人： Toshiro Azuma , Kazuhiko Yano , Koichiro Fujisaki
发明人： Toshiro Azuma , Kazuhiko Yano , Koichiro Fujisaki
IPC分类号： B60K20/00 , B60K17/10 , F16H57/02 , F16H57/023 , F16H57/03 , F16H57/035 , F16H57/037 , F16D39/00 , F16D31/02
CPC分类号： F16H57/035 , B60K17/105 , F16H57/03 , F16H57/037 , F16H2057/02008 , F16H2057/02043 , F16H2057/02052 , F16H2057/02056 , F16H2057/02086 , F16H2057/0235
摘要： An axle driving apparatus which is so constructed that an input pulley for engine power is set lower in mounting position with respect to the axis of a driving axle so as to enable the platform of a vehicle to be lowered. The engine position lowers to promote miniaturization, a lower center of gravity and running stability of the vehicle. For maintenance of the transmission for driving the axle, the entire axle driving apparatus need not be removed from the frame of the vehicle. A bearing for supporting the axle to the casing is held with exact dimensional precision so as not to cause a backlash on the axle, to thereby prolong the life span of the bearing. The axle is ensured to be sealed, the number of mounting bolts for the casing need not be increased in order to improve rigidity, and the casing is strong so that the assembly time for the axle driving apparatus is minimized.
摘要翻译： 一种车轴驱动装置，其构造成使得用于发动机动力的输入滑轮相对于驱动轴的轴线设置在安装位置的下方，从而能够降低车辆的平台。 发动机位置降低以促进小型化，较低的重心和车辆的运行稳定性。 为了维护用于驱动车轴的变速器，整个车轴驱动装置不需要从车辆的车架上移除。 用于将轴支撑到壳体的轴承具有精确的尺寸精度，以便不会在轴上产生齿隙，从而延长轴承的使用寿命。 确保轴被密封，为了提高刚性，不需要增加用于壳体的安装螺栓的数量，并且壳体坚固，使得轴驱动装置的组装时间最小化。
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公开(公告)号：US4942780A
公开(公告)日：1990-07-24
申请号：US397960
申请日：1989-08-23
申请人： Koichiro Fujisaki , Ryota Ohashi , Shusuke Nemoto
发明人： Koichiro Fujisaki , Ryota Ohashi , Shusuke Nemoto
IPC分类号： B60K17/10
CPC分类号： B60K17/105 , Y10T74/2186
摘要： An HST housing axle driving apparatus for a small-sized running vehicle, such as a tractor, in which an axle casing is divided into a left-side half axle casing and a right-side half axle casing. In one of the left- and right-side half axle casings are disposed a hydraulic pump provided with a vertical pump shaft and a hydraulic motor provided with a horizontal motor shaft. In the other of the left- and right-side half axle casings are disposed a speed reduction shaft and a differential gear unit, so that a driving force is adapted to be transmitted from the vertical pump shaft to said horizontal motor shaft.
摘要翻译： 一种用于小型行驶车辆如拖拉机的HST外壳轴驱动装置，其中轴壳分为左侧半轴壳体和右侧半轴壳体。 在左右半轴箱体中的一个中，设置有设置有竖直泵轴的液压泵和设置有水平电动机轴的液压马达。 另一方面，在左右半轴箱体中设置有减速轴和差速齿轮单元，使得驱动力适于从垂直泵轴传递到水平马达轴。
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公开(公告)号：US4899541A
公开(公告)日：1990-02-13
申请号：US315306
申请日：1989-02-24
申请人： Hideaki Okada , Koichiro Fujisaki
发明人： Hideaki Okada , Koichiro Fujisaki
IPC分类号： B60K17/10
CPC分类号： B60K17/105
摘要： An axle driving apparatus which fixes a hydraulic pump and a hydraulic motor constituting a hydrostatic transmission to one of laterally dividable transmission casings, and provides check valves capable of sacking operating oil used in the hydrostatic transmission and also used as lubricating oil in the transmission casing, so that both the check valves are open to allow the hydraulic motor to freely rotate when the apparatus hauls a tractor, the transmission casing and hydrostatic transmission being compact to be disposed.
摘要翻译： 一种车轴驱动装置，其将构成静液压变速器的液压泵和液压马达固定在横向可分离的变速箱壳体之一中，并且提供能够对流体静力传动装置中使用的工作油进行开袋并且还用作变速器壳体中的润滑油的止回阀， 使得止回阀打开以允许液压马达在设备拖拉拖拉机时自由旋转，变速器壳体和静液压传动紧凑以便布置。
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