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    • 1. 发明专利
    • Working vehicle
    • 工作车辆
    • JP2010210018A
    • 2010-09-24
    • JP2009056894
    • 2009-03-10
    • Yanmar Co Ltdヤンマー株式会社
    • EGUCHI SHINGO
    • F15B21/04F16H57/02F16H57/04
    • PROBLEM TO BE SOLVED: To efficiently cool the whole of the stored oil stored in oil sources of a traveling system pump and a working machine system pump.
      SOLUTION: This working vehicle includes: a travelling system pump working as an oil pressure source for a power steering hydraulic operating mechanism; and a working machine system pump working as an oil pressure source after raising/lowering the oil pressure for raising/lowering a working machine and discharging a larger rate of the working fluid than the travelling system pump. An oil cooler is interposed in a working system return line for joining the oil relieved by the main relief valve and the oil discharged as the excessive oil from an electromagnetic lift valve unit in the working fluid from the working machine system pump to return the joined oil to oil sources of the travelling system pump and the working machine system pump.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:有效地冷却存储在行驶系统泵和工作机系统泵的油源中的所有存储的油。 解决方案:该工作车辆包括:作为动力转向液压操作机构的油压源的行驶系统泵; 以及作业机系统泵,在升降作业机油压之后作为油压源工作,排出比行驶系统泵更大的工作流量。 将油冷却器插入到工作系统返回管路中,用于将由主安全阀释放的油和作为来自工作机系统泵的工作流体中的电磁提升阀单元的过量油排出的油接合以返回连接的油 到行车系统泵和工作机系统泵的油源。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Transmission including hydraulic-mechanical stepless speed changing device
    • 传动包括液压机械式速度变速装置
    • JP2009008190A
    • 2009-01-15
    • JP2007170990
    • 2007-06-28
    • Yanmar Co Ltdヤンマー株式会社
    • SHIOZAKI SHUJIOUCHIDA TAKASHIEGUCHI SHINGO
    • F16H47/04
    • Y02P20/52
    • PROBLEM TO BE SOLVED: To provide a transmission that improves the design flexibility of the output transmitting element on a stage subsequent to a hydraulic-mechanical stepless speed changing device and is more compact than in the prior art, by making compact the structure of the hydraulic-mechanical stepless speed changing device. SOLUTION: The transmission 102 includes the hydraulic-mechanical stepless speed changing device 100 composed of a hydraulic stepless speed changing device 1 and a planetary gear mechanism 3. An output-side swash plate 12 and the planetary gear mechanism 3 are integrally connected to each other. The transmission 102 is provided with a high-speed clutch 47 as a first clutch for engageably/disengageably transmitting forward rotational output by the output side swash plate 12 and a low-speed clutch 46 as a second clutch for engageably/disengageably transmitting forward or backward rotational output by the planetary gear mechanism 3. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种在液压机械无级变速装置之后的台上提高输出传动元件的设计灵活性并且比现有技术更紧凑的传动装置,通过使结构紧凑 的液压机械无级变速装置。 解决方案:变速器102包括由液压无级变速装置1和行星齿轮机构3构成的液压 - 机械无级变速装置100.输出侧斜盘12和行星齿轮机构3一体地连接 对彼此。 变速器102具有作为第一离合器的高速离合器47,用于通过输出侧斜盘12和作为第二离合器的低速离合器46可接合地/可分离地传递正向旋转输出,用于可接合/可分离地向前或向后传递 行星齿轮机构3的旋转输出。版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Hydraulic-mechanical stepless speed changing device
    • 液压机械式变速变速装置
    • JP2009008188A
    • 2009-01-15
    • JP2007170988
    • 2007-06-28
    • Yanmar Co Ltdヤンマー株式会社
    • SHIOZAKI SHUJIOUCHIDA TAKASHIEGUCHI SHINGO
    • F16H47/04
    • PROBLEM TO BE SOLVED: To provide a hydraulic-mechanical stepless speed changing device having a compact structure and exhibiting high output transmission efficiency.
      SOLUTION: The hydraulic-mechanical stepless speed changing device 100 comprises a hydraulic stepless speed changing device 1 including a variable displacement hydraulic pump 17 and a fixed displacement hydraulic motor 18 on an input shaft 2, and a planetary gear mechanism 3 arranged concentrically with the input shaft 2. The hydraulic stepless speed changing device 1 has an output-side swash plate 12 which is a fixed swash plate of the hydraulic motor 18 and used as a rotational output section. The output side swash plate 12 and the planetary gear mechanism 3 are integrally connected to each other.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供具有紧凑结构并且具有高输出传输效率的液压机械无级变速装置。 解决方案:液压机械无级变速装置100包括:液压无级变速装置1,其包括可变排量液压泵17和输入轴2上的固定位移液压马达18;以及同心配置的行星齿轮机构3 液压无级变速装置1具有作为液压马达18的固定斜盘的输出侧斜盘12,作为旋转输出部使用。 输出侧斜盘12和行星齿轮机构3一体地连接。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Hydraulic continuously variable transmission device
    • 液压连续可变传动装置
    • JP2007333009A
    • 2007-12-27
    • JP2006162755
    • 2006-06-12
    • Yanmar Co Ltdヤンマー株式会社
    • OUCHIDA TAKASHIEGUCHI SHINGOSHIOZAKI SHUJI
    • F16H39/14F04B1/14
    • PROBLEM TO BE SOLVED: To provide a timing spool and a spool cam which aligns surely a timing when sliding each spool, slides each spool smoothly, and prevents generation of seizure. SOLUTION: The hydraulic continuously variable transmission device 1 comprises, on an input shaft 2: an input side plunger 8; an output side plunger 10; a cylinder block 7 storing each timing spool 9; 11 slidably in parallel with the axial direction; an input side swash plate 6 abutting on the tip of the input side plunger 8; and an output side swash plate 12 abutting on the output side plunger 10 on the opposite side to the input side swash plate 6. Each groove part 37a, 47a engaging each one end of each timing spool 9, 11 is provided on each spool cam 37, 47 fixed to the input side housing 4 side or the output side swash plate 12 side, and an abutting part on engaging parts 9d, 11d provided on the tip of each timing spool 9, 11 of the groove parts 37a, 47a is constituted in an arc shape in the cross-sectional view. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一个定时滑阀和一个滑动凸轮,它们在滑动每个滑阀时确定地对准一个定时,平滑地滑动每个滑阀,并且防止产生卡住。 解决方案:液压无级变速器1在输入轴2上包括输入侧柱塞8; 输出侧柱塞10; 存储每个正时滑阀9的气缸体7; 11可滑动地与轴向平行; 与输入侧柱塞8的前端抵接的输入侧斜盘6; 以及与输入侧斜盘6相反一侧的输出侧柱塞10抵接的输出侧斜盘12。与各个正时阀芯9,11的各端接合的各槽部37a,47a设置在各滑阀凸轮37上 47固定在输入侧壳体4侧或输出侧斜盘12侧,并且设置在槽部37a,47a的各正时阀芯9,11的前端的卡合部9d,11d上的抵接部构成为 在剖视图中为弧形。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Hydraulic continuously variable transmission device
    • 液压连续可变传动装置
    • JP2007333008A
    • 2007-12-27
    • JP2006162754
    • 2006-06-12
    • Yanmar Co Ltdヤンマー株式会社
    • EGUCHI SHINGOOUCHIDA TAKASHISHIOZAKI SHUJI
    • F16H39/14F03C1/253F04B1/22
    • PROBLEM TO BE SOLVED: To provide a spool capable of reducing an operation noise of a hydraulic continuously variable transmission device, while securing a function of the spool. SOLUTION: This hydraulic continuously variable transmission device 1 wherein an input side plunger 8, an output side plunger 10, a cylinder block 7 storing each timing spool 9, 11 slidably in parallel with the axial direction, an input side swash plate 6 abutting on the tip of the input side plunger 8, and an output side swash plate 12 abutting on the output side plunger 10 on the opposite side to the input side swash plate 6 are arranged on an input shaft 2, has a configuration wherein each timing spool 9, 11 has each notched part 9e, 11e formed on corner parts of enlarged parts 9a, 11a blocking passages (communicating holes 33, 43) of a hydraulic oil communicating with holes (each plunger hole 31, 41) for inserting each plunger 8, 10. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够在确保卷轴的功能的同时降低液压无级变速器的操作噪音的阀芯。 解决方案:这种液压无级变速器1,其中输入侧柱塞8,输出侧柱塞10,存储有与轴向平行滑动的每个定时阀芯9,11的气缸体7,输入侧斜盘6 与输入侧柱塞8的前端抵接,输出侧斜盘12与输入侧斜盘6相反的一侧的输出侧柱塞10配置在输入轴2上, 阀芯9,11具有形成在扩大部分9a,11a的拐角部分上的每个切口部分9e,11e,与用于插入每个柱塞8的孔(每个柱塞孔31,41)连通的液压油的阻塞通道(连通孔33,43) ,10.版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Working vehicle
    • 工作车辆
    • JP2007030623A
    • 2007-02-08
    • JP2005214767
    • 2005-07-25
    • Yanmar Co Ltdヤンマー株式会社
    • HIDAKA SHIGEMISHIOZAKI SHUJIEGUCHI SHINGO
    • B60K20/02B60K20/00B60N2/75
    • PROBLEM TO BE SOLVED: To improve operationality of a forward/backward traveling changeover switch 130 so that the hand of an operator sitting on a steering seat 8 easily reaches the forward/backward traveling changeover switch 130, in a working vehicle equipped with a speed change transmission mechanism which speed-changes output from an engine 5 mounted on a traveling machine body 2 and transmitting it to traveling parts 3, 3, 4, 4 or a working part.
      SOLUTION: Armrests 140a, 140b for placing the arm or the elbow of the sitter are provided at the both right and left sides of the steering seat in the traveling machine body 2. The forward/backward traveling changeover switch 130 for operating switching the advancing direction of the traveling machine body 2 between the forward and backward traveling is provided at the portion of the front end side in the right armrest 140a so as to be operated by a hand when the operator's arm is placed.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提高前进/后退行驶转换开关130的操作性,使得坐在转向座8上的操作者的手容易到达前进/后退行驶转换开关130,在配备有 变速传动机构,其从安装在行进机体2上的发动机5输出的速度变化,并将其传送到行驶部件3,3,4,4或工作部件。 解决方案:用于放置保持器的臂或肘部的扶手140a,140b设置在行进机体2中的转向座的左右两侧。用于操作切换的前进/后退行驶转换开关130 行进机体2在向前和向后行进之间的前进方向设置在右扶手140a的前端侧的部分处,以便当操作者的手臂放置时由手操作。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Controller for work vehicle
    • 工作车辆控制器
    • JP2006220201A
    • 2006-08-24
    • JP2005033510
    • 2005-02-09
    • Yanmar Co Ltdヤンマー株式会社
    • EGUCHI SHINGOSHIOZAKI SHUJIHIDAKA SHIGEMIOUCHIDA TAKASHIYAMADA TAKASHI
    • F16H61/40F16H61/42F16H61/431
    • PROBLEM TO BE SOLVED: To perform gear shift running operation of a tractor simply. SOLUTION: A running controller 210 calculates a value of target change gear ratio from a change gear ratio selected by a change gear ratio setting dial 221 connected with the running controller 210 and amount of stepping-on of an advance pedal detected in an advance potentiometer 219. Main gear shift operation for changing and adjusting an angle of a swash plate in a hydraulic pump part 500 and increasing and reducing rotational speed of a main gear shift output shaft through a hydraulic motor part is performed by adjusting an applied voltage value of a proportional control solenoid valve 203 to achieve the value of target change gear ratio. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:简单地执行拖拉机的换档运行操作。 解决方案:运行控制器210根据与行驶控制器210连接的变速比设定拨盘221所选择的变速比和由在行驶控制器210中检测的前进踏板的踏步量来计算目标变速比的值 前进电位计219.通过液压马达部件来改变和调整液压泵部件500中的斜盘角度的主变速操作,并通过调整施加的电压值来提高和降低主变速输出轴的转速 的比例控制电磁阀203来实现目标变速比的值。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Controller for working vehicle
    • 工作车辆控制器
    • JP2006218978A
    • 2006-08-24
    • JP2005033512
    • 2005-02-09
    • Yanmar Co Ltdヤンマー株式会社
    • HIDAKA SHIGEMIEGUCHI SHINGOSHIOZAKI SHUJIYAMADA TAKASHI
    • B60W10/00B60W10/02B60W10/10B60W10/103B60W10/18B60W10/184F16H47/02F16H59/08F16H59/44F16H61/04F16H61/66
    • PROBLEM TO BE SOLVED: To perform switching operations between start and travel stop or between forward movement and backward movement with a gear change operation with an operation lever, and to prevent engine trouble or the like. SOLUTION: This working vehicle comprises an engine, a hydraulic continuously variable transmission, the operation lever for changing the gear ratio, a clutch for forward movement and clutch for backward movement for transmitting a variable speed drive output to a driving wheel, and a brake for braking the driving wheel. The working vehicle has a gear change sensor for detecting the operation amount and operating direction of the operation lever, a variable speed output section rotation sensor for detecting the output rotation speed of the hydraulic continuously variable transmission, and a control means. When the variable speed drive output detected by the variable speed output section rotation sensor is a forward/backward switch speed or lower, one of the clutch for forward movement and clutch for backward movement is turned on according to the operating direction of the operation lever. When brake release of the driving wheel is recognized, the gear ratio of the hydraulic continuously variable transmission is changed according to the operation amount of the operation lever. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过操作杆进行变速操作,执行起动和行驶停止之间或前后运动之间的切换操作,并且防止发动机故障等。 解决方案:该工作车辆包括发动机,液压无级变速器,用于改变齿轮比的操作杆,用于向前运动的离合器和用于向变速驱动输出传递到驱动轮的向后运动的离合器,以及 用于制动驱动轮的制动器。 工作车辆具有用于检测操作杆的操作量和操作方向的变速传感器,用于检测液压无级变速器的输出转速的变速输出部旋转传感器和控制装置。 当由变速输出部旋转传感器检测出的变速驱动输出是前进/后退的开关速度时,根据操作杆的操作方向,接通前进离合器和后退离合器中的一个。 当识别到驱动轮的制动器松开时,液压无级变速器的变速比根据操作杆的操作量而改变。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Control device for working vehicle
    • 车辆工作控制装置
    • JP2006213190A
    • 2006-08-17
    • JP2005028126
    • 2005-02-03
    • Yanmar Co Ltdヤンマー株式会社
    • EGUCHI SHINGOSHIOZAKI SHUJIOUCHIDA TAKASHIYAMADA TAKASHIHIDAKA SHIGEMI
    • B60W10/00B60W10/02B60W10/04B60W10/06B60W10/10B60W10/103B60W10/18B60W10/184F02D29/00F16D23/12F16H59/44F16H61/40F16H61/4192F16H61/42F16H61/431
    • PROBLEM TO BE SOLVED: To provide a control device for working vehicle, capable of facilitating starting and stopping operations of a working vehicle, so that an operator can deal quickly with the environment, an operation result or the like. SOLUTION: In a working vehicle comprising a hydraulic continuously variable transmission changing the speed of a power from an engine mounted on a traveling equipment body, a clutch mechanism transmitting driving output from the hydraulic continuously variable transmission to traveling wheels; a speed change pedal changing the change gear ratio of the hydraulic continuously variable transmission; a speed change sensor detecting an operation quantity of the speed change pedal; and a speed-changed output part rotation sensor detecting the speed-changed driving output rotating speed of the hydraulic continuously variable transmission, the control device comprises an engine control means keeping the rotating speed of the engine at a rotating speed set by a throttle lever, a traveling control means controlling the rotating speed of the engine and the change gear ratio of the hydraulic continuously variable transmission based on the operation quantity of the speed change pedal; and a clutch switching means making the clutch mechanism off in priority to automatic control of the traveling control means. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够促进作业车辆的起动和停止操作的作业车辆的控制装置,从而操作者可以快速处理环境,操作结果等。 解决方案:一种工作车辆,包括:液压无级变速器,其改变来自安装在行驶设备主体上的发动机的动力;离合器机构,其将从液压无级变速器传动的驱动输出传递到行驶轮; 变速踏板改变液压无级变速器的变速比; 检测变速踏板的操作量的变速传感器; 以及检测所述液压无级变速器的变速驱动输出转速的变速输出部旋转传感器,所述控制装置包括将所述发动机的转速保持在由油门杆设定的转速的发动机控制单元, 基于所述变速踏板的操作量,控制所述发动机的转速和所述液压无级变速器的变速比的行驶控制单元; 以及离合器切换装置优先关闭行驶控制装置的自动控制。 版权所有(C)2006,JPO&NCIPI