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1. 发明专利

JP2011084094A Hydraulic type traveling vehicle 有权
标题翻译：液压式旅行车
公开(公告)号：JP2011084094A
公开(公告)日：2011-04-28
申请号：JP2009236141
申请日：2009-10-13
申请人： Kobe Steel Ltd , Kobelco Cranes Co Ltd , コベルコクレーン株式会社 , 株式会社神戸製鋼所
发明人： SUGANO NAOKI , HORI NAOTO , KOBAYASHI TAKAHIRO , KONDO DAIYU
IPC分类号： B60K17/10
CPC分类号： F16H47/02 , B60K17/26 , B60W10/02 , F16H61/421 , F16H61/431 , F16H61/444 , F16H2047/025 , F16H2059/6861
摘要： PROBLEM TO BE SOLVED: To suppress damage to a hydraulic motor, generation of shock and damage to a clutch according to disconnection/connection of the clutch, in a hydraulic type traveling vehicle traveled by driving a plurality of hydraulic motors.
SOLUTION: In a synthetic mechanism 28 of this hydraulic type traveling vehicle, a first engagement portion 47 of the clutch 46 is arranged in relation to a second engagement portion 48 of the clutch 46 so that the first engagement portion 47 may rotate integrally with the second engagement portion 48 when rotation speed of the second engagement portion 48 in a direction to move forward the vehicle is increased to be equal to that of the first engagement portion 47 in the same direction and the first engagement portion 47 may idle with respect to the second engagement portion 48 when rotation speed of the second engagement portion 48 in the direction to move forward the vehicle is below that of the first engagement portion 47 in the same direction.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过驱动多个液压马达行驶的液压式行驶车辆，抑制液压马达的损坏，产生冲击和根据离合器的断开/连接造成的离合器的损坏。解决方案：在该液压式行驶车辆的合成机构28中，离合器46的第一接合部47相对于离合器46的第二接合部48布置，使得第一接合部47可以一体地旋转当第二接合部分48在向车辆前方移动的方向上的转速增加到与第一接合部分47在相同方向上的转速相同时，第二接合部分48与第一接合部分47相对于当第二接合部分48在向车辆前方移动的方向上的转速低于第一接合部分47的方向在相同方向上时，转到第二接合部分48。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2013072444A Hydraulic driving apparatus for working machine 有权
标题翻译：液压驱动装置
公开(公告)号：JP2013072444A
公开(公告)日：2013-04-22
申请号：JP2011209678
申请日：2011-09-26
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所 , Kobelco Cranes Co Ltd , コベルコクレーン株式会社
发明人： SUGANO NAOKI , MAEKAWA TOMOHITO , MICHIDA TAKAHARU , KONDO DAIYU , KITAKADO NAOYA , HORI NAOTO
IPC分类号： F15B11/02 , B66D1/44 , F15B11/024
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic driving apparatus for working machine, which prevents a pressure drop on a meter-in side and stably lowers a load.SOLUTION: There is provided the hydraulic driving apparatus for the working machine comprising a hydraulic pump 2, an engine 1, a hydraulic actuator 4, a manipulation device 6, a hydraulic circuit for work including a meter-in flow passage and a meter-out flow passage, and a regeneration flow passage 83 in down driving, a direction selector valve 3 changing a working oil supply amount according to the manipulation device 6, a meter-out flow controller 14 installed upstream from the regeneration flow passage 83, a back pressure valve 15 installed downstream from the regeneration flow passage 83, a check valve 13, and a non-regeneration operation relief valve 16 opened when the pressure of the meter-in flow passage becomes equal to or higher than set pressure. The set pressure is not less than a sum of a minimum set pressure of the back pressure valve 15, an inlet-outlet pressure difference of the meter-out flow controller 14 when the meter-out flow rate is maximum and the discharge flow rate of the hydraulic pump 2 is maximum, and an actuator pressure difference necessary for driving the hydraulic actuator 4 with no load, and not less than a maximum set pressure of the back pressure valve 15.
摘要翻译：要解决的问题：提供一种用于工作机械的液压驱动装置，其防止计量侧的压降，并且稳定地降低负载。解决方案：提供了一种用于工作机械的液压驱动装置，其包括液压泵2，发动机1，液压致动器4，操纵装置6，用于工作的液压回路，包括流入通道和流出通道和下行驱动的再生流路83，根据操作装置6改变工作油供给量的方向选择阀3，安装在再生流路83上游的排出流量控制器14，设置在再生流路83下游的背压阀15，止回阀13，以及当进入流路的压力等于或高于设定压力时打开的非再生运转溢流阀16。设定压力不小于背压阀15的最小设定压力，流出量流量最大时的出口流量控制器14的出口压力差与排出流量控制器14的排出流量之和液压泵2是最大的，并且是空载驱动液压致动器4所必需的致动器压力差，并且不小于背压阀15的最大设定压力。（C）2013，JPO＆INPIT

3. 发明专利

JP2011016644A Hydraulic control device of construction machine 审中-公开
标题翻译：建筑机械液压控制装置
公开(公告)号：JP2011016644A
公开(公告)日：2011-01-27
申请号：JP2009163806
申请日：2009-07-10
申请人： Kobelco Cranes Co Ltd , コベルコクレーン株式会社
发明人： KONDO DAIYU
IPC分类号： B66C13/20 , B66C23/70 , B66C23/82 , E02F9/22 , F15B11/028
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic control device of a construction machine preventing a problem caused by negative pressure of a back pressure of a hydraulic actuator, and reducing power loss as much as possible.SOLUTION: The hydraulic control device supplies and discharges a hydraulic fluid to the hydraulic actuator 7 arranged on the front end of a work attachment, and it includes a direction selector valve 23 arranged between the hydraulic actuator and a hydraulic pump 21 for returning the hydraulic fluid from the hydraulic pump to a tank 27 through a center bypass oil passage 28 at a neutral position c, and moreover, making the hydraulic actuator communicate with the center bypass oil passage, a magnetic proportional relief valve 31 arranged in the center bypass oil passage for enabling adjustment of the back pressure of the hydraulic actuator, a height position detecting means 35 for detecting the height position of the hydraulic actuator, and a control means 32 for controlling the relief valve to adjust the back pressure of the actuator in accordance with the height position of the actuator detected by the height position detecting means.
摘要翻译：要解决的问题：提供一种施工机械的液压控制装置，其防止由液压致动器的背压的负压引起的问题，并尽可能地减少功率损耗。解决方案：液压控制装置供给和排出液压流体连接到布置在工件附件的前端上的液压致动器7，并且其包括设置在液压致动器和液压泵21之间的方向选择阀23，用于将液压泵从液压泵返回到箱27中中心旁通油通路28处于中立位置c，此外，使液压致动器与中心旁通油路连通;布置在中心旁通油路中的磁比例溢流阀31，用于调节液压致动器的背压，用于检测液压致动器的高度位置的高度位置检测装置35，以及用于继续的控制装置32 滚动安全阀，根据由高度位置检测装置检测的致动器的高度位置来调节致动器的背压。

4. 发明专利

JP2009014157A Drive control device of hydraulic pilot type control valve and winch for crane 有权
标题翻译：液压导向型控制阀驱动控制装置和起重机
公开(公告)号：JP2009014157A
公开(公告)日：2009-01-22
申请号：JP2007179152
申请日：2007-07-09
申请人： Kobelco Cranes Co Ltd , コベルコクレーン株式会社
发明人： YAMAGATA KATSUMI , KONDO DAIYU
IPC分类号： F15B11/02 , B66D1/44
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic pilot type control valve or the like, which gives an effective hydraulic control for construction machines by changing characteristics of the pilot pressure and spool stroke. SOLUTION: A hydraulic pilot type control valve A comprises: a spool 3 installed in a valve body 2 slidably in the axial direction; and pilot cover sections 5 installed on the valve body in the axial direction for acting a pilot pressure on the axial ends of each spool.Each pilot cover section has a biasing means 15 at each pilot cover section for keeping the spool in the neutral position, the biasing means 15 being structured in such a manner that the modification property of spool strokes accompanied by a pilot pressure change can be changed at least into two, a low gain characteristic and a high gain characteristic. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种液压先导式控制阀等，其通过改变先导压力和滑阀冲程的特性而给施工机械提供有效的液压控制。解决方案：液压先导式控制阀A包括：在轴向上可滑动地安装在阀体2中的阀芯3; 以及在轴向上安装在阀体上的先导盖部分5，用于对每个卷轴的轴向端施加先导压力。每个导向盖部分在每个先导盖部分具有用于将卷轴保持在中立位置的偏置装置15，偏压装置15的结构使得伴随先导压力变化的阀芯行程的变形特性可以至少改变为两个，低增益特性和高增益特性。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2012012141A Cooling device of hoisting winch 审中-公开
标题翻译：冷却装置冷却装置
公开(公告)号：JP2012012141A
公开(公告)日：2012-01-19
申请号：JP2010148508
申请日：2010-06-30
申请人： Kobelco Cranes Co Ltd , コベルコクレーン株式会社
发明人： KONDO DAIYU
IPC分类号： B66D1/44 , B66D1/28
摘要： PROBLEM TO BE SOLVED: To provide a cooling device of a hoisting winch can of reduce cost by dispensing with a hydraulic pressure source exclusive for cooling.SOLUTION: The hoisting winch includes a hydraulic motor 4 driven by pressure oil delivered from a hydraulic pump 3, a reduction gear 5 for transmitting the rotation of the hydraulic motor to a winch drum 2 by reducing a speed, and a wet clutch 6 for switching the transmission of the power of the reduction gear to a cutoff or connecting state. An oil passage 12 for returning oil to a tank 13 from the hydraulic pump or the hydraulic motor is arranged so that the inside of a case 33 of the wet clutch is used as a part of the oil passage, and an impeller 53 rotationally driven by the hydraulic motor is arranged in the case of the wet clutch, and a heating part of the wet clutch is cooled by the oil introduced into the case by rotation of this impeller.
摘要翻译：要解决的问题：提供一种通过分配专用于冷却的液压源来降低成本的起重绞盘的冷却装置。解决方案：起重绞车包括由液压泵3输送的压力油驱动的液压马达4，用于通过降低速度将液压马达的旋转传递到绞盘鼓2的减速齿轮5以及湿式离合器 6，用于将减速机的动力传递切换到连接状态。从液压泵或液压马达将油返回到油箱13的油路12被布置成使得湿式离合器的壳体33的内部用作油路的一部分，并且由叶轮53旋转地驱动在湿式离合器的情况下布置液压马达，并且通过该叶轮的旋转而被引入壳体的油冷却湿式离合器的加热部分。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2014177181A Construction machine 有权
标题翻译：建筑机械
公开(公告)号：JP2014177181A
公开(公告)日：2014-09-25
申请号：JP2013051808
申请日：2013-03-14
申请人： Kobelco Cranes Co Ltd , コベルコクレーン株式会社
发明人： TOKUDA SATOSHI , KONDO DAIYU , ASAKAGE TOMOHIKO
IPC分类号： B62D55/10 , E02F9/00
摘要： PROBLEM TO BE SOLVED: To facilitate handling of a hose.SOLUTION: A construction machine 1 comprises: a car body 10 (first frame); an axle 15 (second frame) attached to a front and rear part of the car body 10; a crawler frame (20) (third frame) positioned on a side part (lateral outside Y2) of the car body 10 with an interval to the car body 10 and attached to the axle 15; a hose 40 whose one end is fixed to a side surface 10s of the car body 10 and the other end is detachably attached to the crawler frame (20); and a hose storage member 60. The hose storage member 60 is attached to the side surface 10s of the car body 10 and stores the whole body of the hose 40 at the side part (lateral outside Y2) of the side surface 10s.
摘要翻译：要解决的问题：为了便于处理软管。解决方案：建筑机械1包括：车体10（第一框架）; 安装在车身10的前部和后部的轴15（第二框架）; 位于轿厢主体10的侧部（横向外侧Y2）上的履带架（20）（第三框架）与车身10间隔并安装在车轴15上; 软管40的一端固定在车体10的侧面10s上，另一端可拆卸地安装在履带架20上。软管收容部件60安装在车身10的侧面10s上，将软管40的全体部分保持在侧面10s的侧面（外侧Y2）。

7. 发明专利

JP2013167217A Engine control device of construction machine 有权
标题翻译：建筑机械发动机控制装置
公开(公告)号：JP2013167217A
公开(公告)日：2013-08-29
申请号：JP2012031361
申请日：2012-02-16
申请人： Kobelco Cranes Co Ltd , コベルコクレーン株式会社
发明人： KONDO DAIYU
IPC分类号： F02D29/04 , B66D1/48 , F02D29/00
摘要： PROBLEM TO BE SOLVED: To reduce fuel consumption, and to reduce work by an operator.SOLUTION: An engine control device 1 includes an engine 21, a hydraulic pump 22 driven by the engine 21, a hydraulic motor 26 for supplying a hydraulic fluid from the hydraulic pump 22, a winch 27 which is driven by the hydraulic motor 26 and on which one end side of a rope 15 is wound, and a clutch 28 for connecting and separating the hydraulic motor 26 and the winch 27. The engine control device 1 regulates a rotating speed of the engine 21 in a low speed rotating speed (S15) when detecting the fact of performing free fall operation for lowering a suspending attachment 16 by putting the clutch 28 in a separate state (YES in S12).
摘要翻译：要解决的问题：减少燃料消耗并减少操作人员的工作。解决方案：发动机控制装置1包括发动机21，由发动机21驱动的液压泵22，液压马达26，用于从液压泵22，由液压马达26驱动并且缠绕有绳索15的一端侧的绞盘27和用于连接和分离液压马达26和绞盘27的离合器28.发动机控制装置 1通过将离合器28置于分离状态来检测执行用于降低悬挂附件16的自由下落操作的事实（S12中为“是”）时，以低速旋转速度调节发动机21的转速（S15）。

8. 发明专利

JP2013124763A Hydraulic driving device for working machine 有权
标题翻译：液压驱动装置
公开(公告)号：JP2013124763A
公开(公告)日：2013-06-24
申请号：JP2011275726
申请日：2011-12-16
申请人： Kobelco Cranes Co Ltd , コベルコクレーン株式会社 , Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KONDO DAIYU , MICHIDA TAKAHARU , YAMAGATA KATSUMI , HORI NAOTO , KITAKADO NAOYA , MAEKAWA TOMOHITO , SUGANO NAOKI
IPC分类号： F15B11/04 , B66D1/44 , F15B11/08
CPC分类号： F15B9/08 , F15B11/044 , F15B21/047 , F15B2211/3116 , F15B2211/3157 , F15B2211/329 , F15B2211/353 , F15B2211/46 , F15B2211/7058 , F15B2211/75 , F15B2211/761 , F15B2211/8609
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic driving device for working machine, preventing an excessive decrease in pressure on a meter-in side and moving a load at a stable speed in a lowering direction, without using a counterbalance valve.SOLUTION: The hydraulic driving device for working machine includes: a hydraulic pump 2; a hydraulic actuator 4 which is driven in a direction of lowering a load; an operation device 6 which is operated in order to specify operation speed; a working hydraulic circuit including a meter-in flow passage for guiding hydraulic oil to the hydraulic actuator when driven in the direction of lowering the load and a meter-out flow passage for guiding the hydraulic oil discharged from the hydraulic actuator to a tank; a control valve 5 which changes the supply state of the hydraulic oil so as to actuate the hydraulic actuator at a speed specified by the operation device; meter-in flow adjusters 3, 9 and a meter-out flow adjuster 10 which adjust a meter-in flow rate and meter-out flow rate to flow rates corresponding to the speeds specified by the operation devices respectively; and a relief valve 16.
摘要翻译：要解决的问题：为了提供一种用于作业机械的液压驱动装置，在不使用平衡阀的情况下，防止在进入侧的压力的过度降低和以下降方向以稳定的速度移动负载。解决方案：工作机械的液压驱动装置包括：液压泵2; 液压致动器4，其在降低负载的方向上被驱动; 操作装置6，其操作以指定操作速度; 工作液压回路，其包括用于在将液压致动器沿着降低负载的方向驱动时将液压油引导到液压致动器的流入通道，以及用于将从液压致动器排出的液压油引导到罐的出口流路; 控制阀5，其改变液压油的供给状态，以便以由操作装置指定的速度致动液压致动器; 流量调节器3,9和流出量流量调节器10，其将流量和流出流量调节到分别对应于由操作装置指定的速度的流量; 和安全阀16.版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012131635A crane 审中-公开
标题翻译：起重机
公开(公告)号：JP2012131635A
公开(公告)日：2012-07-12
申请号：JP2010287333
申请日：2010-12-24
申请人： Kobelco Cranes Co Ltd , コベルコクレーン株式会社
发明人： KONDO DAIYU , ASAKAGE TOMOHIKO
IPC分类号： B66C23/00 , B66C13/20
摘要： PROBLEM TO BE SOLVED: To automatically stop an engine when an attachment is in a safe state.SOLUTION: A controller 75 (engine control means) stops the engine 51 (step S5), when a state where a sensor 71 (actuator operation detecting means) detects that none of plurality of actuators 60 is operated continues for a given time (step S2 and step S3), and when a load detected by a load detection means 72 is smaller than the empty weight of the attachment 30 (step S4).

10. 发明专利

JP2009190723A Hydraulic traveling vehicle 审中-公开
标题翻译：液压行车
公开(公告)号：JP2009190723A
公开(公告)日：2009-08-27
申请号：JP2008311953
申请日：2008-12-08
申请人： Kobelco Cranes Co Ltd , コベルコクレーン株式会社
发明人： KONDO DAIYU , YAMAGATA KATSUMI
IPC分类号： B62D5/07 , B60K17/10
摘要： PROBLEM TO BE SOLVED: To supply working fluid to a steering mechanism when a hydraulic traveling vehicle is traveled by traction etc. even if the hydraulic traveling vehicle has no assist motor. SOLUTION: The hydraulic traveling vehicle is provided with a traveling hydraulic pump 6 driven by an engine 2 and discharging working fluid; a front wheel side motor 8 connected to the traveling hydraulic pump 6 by a closed circuit 30 and driven by oil pressure of the working fluid discharged from the traveling hydraulic pump 6 to rotate front wheels 50, 50; a charge pump 20 for replenishing working fluid to the closed circuit 30; the steering mechanism 18 driven by oil pressure to generate force for turning the front wheels 50, 50 in accordance with the steering operation; a front wheel side transmission mechanism 12 for transmitting the rotation of the front wheels 50, 50 to the charge pump 20; and a working fluid circuit 22 for making working fluid discharged from the charge pump 20 by the rotation of the front wheels 50, 50 flow to the steering mechanism 18. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使液压行驶车辆没有辅助电动机，当液压行驶车辆通过牵引等行驶时，也可以向转向机构供给工作流体。解决方案：液压行驶车辆设有由发动机2驱动并排出工作流体的行驶液压泵6; 前轮侧电动机8，通过闭路30与行驶液压泵6连接，由从行驶液压泵6排出的工作流体的油压驱动，使前轮50,50旋转; 用于将工作流体补充到闭路30的充电泵20; 由油压驱动的转向机构18根据转向操作产生用于转动前轮50,50的力; 用于将前轮50,50的旋转传递到电荷泵20的前轮侧传动机构12; 并且通过前轮50,50的旋转而使从充电泵20排出的工作流体的工作流体回路22流向转向机构18.版权所有（C）2009，JPO＆INPIT

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