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1. 发明专利

JP2019026395A ウインチ审中-公开
公开(公告)号：JP2019026395A
公开(公告)日：2019-02-21
申请号：JP2017144120
申请日：2017-07-26
申请人： KOBE STEEL LTD , KOBELCO CONTSTRUCTION MACHINERY LTD
发明人： INUKAI RYOTA , HORI NAOTO
IPC分类号： B66D1/44 , F15B11/02
摘要：【課題】セカンダリーコントロールシステムによって駆動されるウインチにおいて、機械的なブレーキが解除された際の吊り荷の急激な動きを抑止する。【解決手段】ウインチシステム50は、主巻用ウインチ30と、可変容量式の油圧ポンプ51と、主巻用ウインチ30を回転させる両傾転可変容量式の油圧モータ52と、操作レバー71Aと、ブレーキユニット60と、制御部70と、を備える。ブレーキユニット60は、操作レバー71Aが受ける操作量が第1閾値L1よりも小さい場合に主巻用ウインチ30の回転を強制的に阻止する。制御部70は、前記操作量が第1閾値L1よりも大きい場合に前記操作量に応じて油圧モータ52の容量を制御し、前記操作量が第1閾値L1よりも小さい場合に油圧モータ52の容量を、吊り荷を空中で保持可能な吊り荷保持用容量に設定する。【選択図】図2

2. 发明专利

JP2011149473A Hydraulic control device and hydraulic working machine equipped with the same 有权
标题翻译：液压控制装置及其配套的液压工作机
公开(公告)号：JP2011149473A
公开(公告)日：2011-08-04
申请号：JP2010010297
申请日：2010-01-20
申请人： Kobe Steel Ltd , Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社 , 株式会社神戸製鋼所
发明人： HORI NAOTO
IPC分类号： F15B21/14 , E02F9/22 , F15B11/00 , F15B11/024
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic control device capable of effectively utilizing energy of return oil from a hydraulic cylinder while suppressing a cost increase and enlargement of a device.
SOLUTION: The hydraulic control device includes a controller 16 for controlling opening/closing of a reproduction throttle 23 and a regeneration throttle 24 so that a hydraulic fluid led out of a head side chamber of a boom cylinder 10 is reproduced into a rod side chamber of the boom cylinder 10 through a reproducing oil passage R6 and that a hydraulic fluid other than the hydraulic fluid used for reproduction out of the hydraulic fluid led out of the boom cylinder 10 is supplied to a hydraulic pump 17 through a regenerating oil passage R7 to operate the hydraulic pump 17 when a boom 7 is movable in a target direction while reducing the boom cylinder 10 by the action of gravity.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种液压控制装置，其能够有效地利用来自液压缸的回油的能量，同时抑制成本增加和装置的放大。解决方案：液压控制装置包括用于控制再现节流阀23和再生节流阀24的打开/关闭的控制器16，使得从动臂缸10的头侧室引出的液压流体再现成杆动臂缸10的侧室通过再生油路R6，并且除了用于从动臂缸10引出的液压流体中再现的液压流体以外的液压流体通过再生油路被供给到液压泵17 R7在动臂7能够在目标方向上移动的同时，通过重力的作用减小动臂缸10，来操作液压泵17。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2019002558A 旋回駆動装置、およびこれを備えた作業機械审中-公开
公开(公告)号：JP2019002558A
公开(公告)日：2019-01-10
申请号：JP2018092891
申请日：2018-05-14
申请人： KOBE STEEL LTD , KOBELCO CONTSTRUCTION MACHINERY LTD
发明人： HORI NAOTO , IGAUE TAKAYUKI , SAKURAI HITOSHI
IPC分类号： F15B11/08 , B66C23/86 , F15B11/02 , F15B11/028
摘要：【課題】旋回体の旋回速度が変化する場合であっても、操作レバーの操作量に応じた所望のブレーキ力を旋回モータに付与することが可能であり、旋回ブレーキ動作における操作性が向上した旋回駆動装置、およびこれを備えた作業機械を提供する。【解決手段】旋回駆動装置100は、旋回体10を旋回させる旋回モータ20と、油圧ポンプ52と、操作レバー56と、コントロールバルブ54と、ブレーキバルブ71と、ブレーキ弁制御部83と、を備える。ブレーキ弁制御部83は、操作レバー56が旋回モータ20のブレーキ操作を受けた場合に、旋回モータ20の差圧が、操作レバー56がうける操作量に応じた所定の目標圧Ptとなるように、ブレーキバルブ71における作動油の流量を調整し、ブレーキバルブ71において作動油に圧力損失を発生させる。【選択図】図2

4. 发明专利

JP2010101448A Hydraulic control device of working machinery 审中-公开
标题翻译：工程机械液压控制装置
公开(公告)号：JP2010101448A
公开(公告)日：2010-05-06
申请号：JP2008274480
申请日：2008-10-24
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： SUGANO NAOKI , NANJO TAKAO , HORI NAOTO , OKA HIDEKAZU , NAKAGAWA TOMOHIRO , UEDA KOJI , TAJI HIROSHI
IPC分类号： F15B11/16 , E02F9/22
摘要： PROBLEM TO BE SOLVED: To secure a circuit flow rate required to a high load pressure actuator during composite operation, achieve to improve energy efficiency, and simplify valve configuration.
SOLUTION: A hydraulic control device is configured so as to provide a priority valve 30, which is a pressure compensated flow control valve, in a discharge line 29 of a hydraulic pump 27 to supply a priority flow secured by the priority valve 30 through the first passage 31 to a crushing cylinder 12 and at the same time to supply a surplus non-priority flow through the second passages 33, 34, 15a to a swivel motor 10 which is the second priority actuator and an arm cylinder 7 when operating the crushing cylinder 12 which is the first priority actuator predefined among a plurality of hydraulic actuators. Besides, it is configured so as to supply the priority flow through the third passages 34, 15b to the swivel motor 10 and supply the surplus non-priority flow to the arm cylinder 7 when there is no crushing operation but swivel operation.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了确保复合操作期间高负载压力致动器所需的电路流量，实现提高能量效率并简化阀配置。解决方案：液压控制装置被构造成在液压泵27的排放管线29中提供作为压力补偿流量控制阀的优先阀30，以提供由优先阀30确保的优先流程通过第一通道31到破碎缸12，并且同时将多余的非优先流动通过第二通道33,34,15a供应到作为第二优先执行器的旋转马达10和操作时的手臂缸7 作为在多个液压致动器中预定的第一优先执行器的破碎缸12。此外，当不存在破碎操作而是旋转操作时，它被构造成通过第三通道34和15b将优先流量提供给旋转马达10，并将剩余的非优先流量提供给臂缸7。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2010101096A Hydraulic control device for working machine 审中-公开
标题翻译：工作机液压控制装置
公开(公告)号：JP2010101096A
公开(公告)日：2010-05-06
申请号：JP2008274526
申请日：2008-10-24
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： SUGANO NAOKI , NANJO TAKAO , HORI NAOTO , OKA HIDEKAZU , OKADA HIROYUKI , NAKAGAWA TOMOHIRO , TAJI HIROSHI
IPC分类号： E02F9/22 , E02F3/36 , F15B11/16
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic control device for a working machine allowing an operator to change a set value for difference in pressure of a flow rate control valve freely, based on the system for ensuring the fixed flow rate of actuator with the flow rate control valve with pressure compensation function.
SOLUTION: A circuit configuration constituted by connecting a plurality of hydraulic actuators used as an oil pressure source in common with a hydraulic pump in parallel and operating and controlling with the control valves, respectively, includes the flow rate control valve 30 with the pressure compensation function for controlling the flow rate to keep difference in pressure between before and after a pressure oil supply opening in a control valve 29 for crushing to a set value. The flow rate control valve 30 is constituted to allow the set value for the difference in pressure to be changed through pilot pressure when operating the control valve 29 for crushing. On the other hand, a pilot pressure control valve 41 for changing control pressure by orders from the controller 40 based on the operation of a means 39 for ordering set value for difference in pressure is provided to allow the operator to freely change the set value for the difference in pressure of the flow rate control valve 30 with the pilot pressure control valve 41.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于工作机械的液压控制装置，其允许操作者基于用于确保致动器的固定流量的系统来自由地改变流量控制阀的压力差的设定值具有压力补偿功能的流量控制阀。解决方案：通过并联连接用作油压源的多个液压致动器与液压泵并联并与控制阀一起操作和控制的电路结构分别包括流量控制阀30，其具有压力补偿功能，用于控制流量以在控制阀29中的压力供油开口之前和之后保持压力差，用于压碎至设定值。流量控制阀30构成为，当操作用于破碎的控制阀29时，能够通过先导压力改变压力差的设定值。另一方面，提供一种先导压力控制阀41，用于根据用于排列压力差的设定值的装置39的操作从控制器40改变控制压力，以允许操作者自由地改变设定值流量控制阀30与先导压力控制阀41的压力差。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010101095A Hydraulic control device for working machine 审中-公开
标题翻译：工作机液压控制装置
公开(公告)号：JP2010101095A
公开(公告)日：2010-05-06
申请号：JP2008274525
申请日：2008-10-24
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： SUGANO NAOKI , NANJO TAKAO , HORI NAOTO , OKA HIDEKAZU , UEDA KOJI , YAMAGUCHI KAZUYOSHI , TAJI HIROSHI
IPC分类号： E02F9/22 , E02F3/36 , F15B11/16
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic control device for a working machine, capable of ensuring the required flow rate of circuit of a high load pressure actuator when performing a composite operation, improving energy efficiency, and simplifying a valve configuration.
SOLUTION: This hydraulic control device for the working machine is constituted by providing a selector valve 29 being switched and controlled with the control device 36 and a pilot pressure control valve 37 in a discharge pipe passage of hydraulic pumps 27, 28, and providing both of first priority valve 30 and second priority valve 31 being flow rate control valves with pressure compensation function on the downstream side of the selector valve 29. When the composite operation is performed, the oil discharged from the pumps is supplied into right and left running motors 11R, 11L or a crushing cylinder 12 through the selector valve 29 and the first or second priority valve 30 or 31 with priority while controlling the flow rate with the pressure compensation function, and a surplus of oil is supplied into the other hydraulic actuators.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于工作机械的液压控制装置，其能够在执行复合操作时确保高负载压力致动器的所需流量，提高能量效率并简化阀构造。解决方案：该工作机械液压控制装置是通过在液压泵27,28的排出管路中设置有通过控制装置36和先导压力控制阀37切换和控制的选择阀29构成的，在选择阀29的下游侧设有第一优先阀30和第二优先阀31为具有压力补偿功能的流量控制阀。当执行复合操作时，从泵中排出的油被供给左右在通过压力补偿功能控制流量的同时，通过选择阀29和第一优先阀30或31优先运行电动机11R，11L或破碎缸12，并且剩余的油被供给到其他液压致动器。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2014098404A Hydraulic drive device of work machine 有权
标题翻译：液压驱动装置
公开(公告)号：JP2014098404A
公开(公告)日：2014-05-29
申请号：JP2012249063
申请日：2012-11-13
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 , HORI NAOTO , MICHIDA TAKAHARU
IPC分类号： F15B11/04 , B66C13/23 , F15B11/02 , F15B11/08 , F15B21/14
CPC分类号： F15B11/044 , F15B11/042 , F15B2211/30525 , F15B2211/3116 , F15B2211/351 , F15B2211/40569 , F15B2211/41527 , F15B2211/45 , F15B2211/46 , F15B2211/50545 , F15B2211/5156 , F15B2211/7058 , F15B2211/761 , F15B2211/8609
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic drive device of a work machine capable of preventing excessive lowering of a pressure at a meter-in side without needing a counter balance valve, and driving a load in the downward direction at a stable speed.SOLUTION: A hydraulic drive device includes a hydraulic pump 2, a first hydraulic actuator 4 moving a load 7 in the downward direction, an operating device 6, a first hydraulic circuit C1 including meter-in and meter-out flow channels 81M, 82M, a control valve 3, meter-in flow rate controllers 23, 31 controlling a meter-in flow rate, meter-out flow rate controllers 14, 36 controlling a meter-out flow rate to be the meter-in flow rate or more, a second hydraulic actuator 104, a second hydraulic circuit C2 for the second hydraulic actuator 104, a back pressure valve 15 disposed between the second hydraulic circuit C2 and a tank, a regeneration line 12 for guiding a part of a working fluid from between the second hydraulic circuit C2 and the back pressure valve 15 to the meter-in flow channel 81M, and a check valve 13 disposed in the regeneration line 12.
摘要翻译：要解决的问题：提供一种能够防止过度降低计量侧的压力而不需要平衡阀的作业机械的液压驱动装置，并以稳定的速度向下方驱动负载。解决方案液压驱动装置包括液压泵2，向下方移动负载7的第一液压驱动器4，操作装置6，包括流入口和流出流路81M，82M的第一液压回路C1，控制阀3，控制计量流量的计量流量控制器23,31，控制流出流量的流出流量控制器14,36为流入流量以上，第二液压致动器104，用于第二液压致动器104的第二液压回路C2，设置在第二液压回路C2和油箱之间的背压阀15，用于引导来自第二液压回路之间的工作流体的一部分的再生管线12 C2和t 他将背压阀15连接到流入通道81M，以及设置在再生管线12中的止回阀13。

8. 发明专利

JP2009275784A Controller of hydraulic running vehicle 有权
标题翻译：液压运行车辆控制器
公开(公告)号：JP2009275784A
公开(公告)日：2009-11-26
申请号：JP2008126367
申请日：2008-05-13
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： HORI NAOTO , SUGANO NAOKI , KOBAYASHI TAKAHIRO , SHIMOMURA KOICHI , SUMIO TAISUKE , TERASAKA JOJI
IPC分类号： B60K17/10 , F16H61/40 , F16H61/431
CPC分类号： F16H61/465 , B60W10/06 , B60W30/1882 , B60W2520/10 , F16H59/36 , F16H59/42 , F16H59/44 , F16H61/431 , F16H61/47 , F16H2059/366 , F16H2059/6876
摘要： PROBLEM TO BE SOLVED: To provide a controller of a hydraulic running vehicle which improves fuel efficiency at a high speed range of HST-type hydraulic running vehicle.
SOLUTION: The hydraulic running vehicle which drives a variable displacement hydraulic pump 2 by an engine 1 and drives a hydraulic motor 3 for running by discharged oil from the hydraulic pump 2, is configured such that the number of revolutions and a running speed are detected by engine revolution detection means 15 and running speed detection means 16, respectively, and that a pump displacement command value is then determined by using a function set by the controlling section 14 of the controlling means 12 such that a pump displacement command value is larger in a high-speed range not lower than the set value of a vehicle running speed than in a low-speed range lower than the set value.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在HST型液压行驶车辆的高速范围内提高燃油效率的液压行驶车辆的控制器。解决方案：通过发动机1驱动变量液压泵2并驱动液压马达3的液压行驶车辆用于从液压泵2排出的油运行的液压行驶车被构造成使得转数和行驶速度由发动机转速检测装置15和行驶速度检测装置16分别检测到，然后通过使用由控制装置12的控制部分14设定的功能来确定泵排量指令值，使得泵排量指令值为在不低于车辆行驶速度的设定值的高速范围内比在低于设定值的低速范围内的高速范围内的较大速度。版权所有（C）2010，JPO＆INPIT

9. 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

10. 发明专利

JP2010214999A Power steering device 有权
标题翻译：动力转向装置
公开(公告)号：JP2010214999A
公开(公告)日：2010-09-30
申请号：JP2009060914
申请日：2009-03-13
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 , TERASAKA JOJI
IPC分类号： B62D5/087 , B62D5/12 , B62D5/22
CPC分类号： B62D5/06
摘要： PROBLEM TO BE SOLVED: To provide a power steering device capable of attaining an effective reduction in the operation force of a steering wheel and shortening of the time until the vehicle is reset to the linear advancement state after the operation force is released. SOLUTION: The power steering device includes: a hydraulic pump 28 and a power cylinder 30; a control valve 32 interposed between them; and a by-pass line 50. The control valve 32 switches both cylinder chambers 36L, 36R of the power cylinder 30 to a communication position 42C where it is communicated with a tank 40 and a left side feeding position 42L or a right side feeding position 42R for leading a delivery oil of the hydraulic pump 28 to the cylinder chamber corresponding to the direction of operation interlocked with operation of a steering wheel 16. The by-pass line 50 by-passes the control valve 32 and allows the circulation of an operating fluid from the cylinder chamber on an expansion side to the cylinder on a contraction side when it is reset from any one of the feeding positions to the communication position 42C. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种动力转向装置，其能够有效地降低方向盘的操作力，并且在操作力被释放之后缩短直到车辆复位到线性前进状态的时间。动力转向装置包括：液压泵28和动力油缸30; 插在它们之间的控制阀32; 和旁路线50.控制阀32将动力缸30的两个气缸室36L，36R切换到与罐40和左侧进给位置42L或右侧进给位置连通的连通位置42C 42R，用于将液压泵28的输送油引导到对应于与方向盘16的操作互锁的操作方向的气缸室。旁通管线50绕过控制阀32并允许操作的循环当从任何一个进给位置复位到连通位置42C时，从膨胀侧的缸室到收缩侧的液压缸。版权所有（C）2010，JPO＆INPIT

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