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1. 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

2. 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

3. 发明专利

JP2006329341A Hydraulic control unit of working machine 审中-公开
标题翻译：工程机械液压控制单元
公开(公告)号：JP2006329341A
公开(公告)日：2006-12-07
申请号：JP2005154632
申请日：2005-05-26
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： TAJI HIROSHI , YAMAZAKI YOICHIRO , OKA HIDEKAZU , UEDA KOJI
IPC分类号： F15B11/02 , E02F9/22
CPC分类号： E02F9/2242 , E02F9/2253 , E02F9/2292 , E02F9/2296
摘要： PROBLEM TO BE SOLVED: To control a communication path for preventing an abrupt speed reduction by applying a part of the oil on the working side to a traveling side, into a desired state (open state or closed state) depending on situations at compound operation in which traveling operation is simultaneously performed with working operation.
SOLUTION: A communication path 35 and a control valve 36 that opens/closes it are provided in a travel linear motion valve 32. At compound operation, working pressure and traveling pressure are taken in as both-side pilot pressure. So the communication path 35 is closed without condition at travel minute operation which shows a small travel operation amount, the communication path 35 is opened when the working pressure is higher than the traveling pressure at travel major operation which shows a large amount of traveling operation, and the communication path 35 is closed when the working pressure is lower than the traveling pressure.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了控制通过将工作侧的一部分油部施加到行进侧而防止突然减速的通信路径，根据情况下的情况来控制到期望状态（打开状态或闭合状态）在工作中同时执行行驶操作的复合操作。解决方案：在行进直线运动阀32中设置有打开/关闭通信路径的连通路径35和控制阀36.在复合操作中，工作压力和行驶压力被采取为两侧先导压力。所以通信路径35在行驶微小的动作中没有状态地关闭，显示小的行驶操作量，当工作压力高于行驶操作大的行驶主操作时的行驶压力时，连通路径35打开，并且当工作压力低于行驶压力时，连通路径35关闭。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005265016A Hydraulic control device for working machine 有权
标题翻译：工作机液压控制装置
公开(公告)号：JP2005265016A
公开(公告)日：2005-09-29
申请号：JP2004076766
申请日：2004-03-17
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： TAJI HIROSHI , OKA HIDEKAZU
IPC分类号： E02F9/22 , F15B11/00 , F15B11/042 , F15B20/00
CPC分类号： F15B20/008 , E02F9/2228 , E02F9/2235 , E02F9/226 , E02F9/2282 , F15B11/0423 , F15B2211/20553 , F15B2211/30525 , F15B2211/3056 , F15B2211/3122 , F15B2211/3127 , F15B2211/329 , F15B2211/40515 , F15B2211/428 , F15B2211/45 , F15B2211/50536 , F15B2211/5151 , F15B2211/55 , F15B2211/6652 , F15B2211/6654 , F15B2211/7053 , F15B2211/7058 , F15B2211/71 , F15B2211/7741
摘要： PROBLEM TO BE SOLVED: To continue operation of a machine even if a control system fails by using an electronic control method for an integrated bleed-off valve.
SOLUTION: Bleed-off control is performed by the integrated bleed-off valve 15 common to a plurality of hydraulic actuators 1-3. On condition that an electronic control method for controlling the bleed-off valve 15 with the secondary pressure of a proportional solenoid valve 18 controlled by a controller 17 is employed, the integrated bleed-off valve 15 is provided with a position in which the unload passage is closed in an operation-stopping state of the valve 15 . Control valves 7-9 are provided with a center bypass passage 11 which is opened in the neutral sate of the valves 7-9, wherein an opening characteristic of the control valves 7-9 is set so as to close the center bypass passage 11 at the initial stage of a stroke toward the operation position.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使控制系统通过使用用于集成泄放阀的电子控制方法而失败，继续操作机器。解决方案：通过多个液压致动器1-3共用的集成排泄阀15执行排出控制。在采用用由控制器17控制的比例电磁阀18的二次压力来控制泄放阀15的电子控制方法的情况下，集成排泄阀15设置有卸载通道在阀15的操作停止状态下关闭。控制阀7-9设置有中心旁通通道11，其在阀7-9的中性位置打开，其中控制阀7-9的打开特性被设定为将中心旁通通道11关闭在朝向操作位置的笔触的初始阶段。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004324741A Hydraulic valve means and its assembling method 有权
公开(公告)号：JP2004324741A
公开(公告)日：2004-11-18
申请号：JP2003119007
申请日：2003-04-23
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： TAJI HIROSHI , OKA HIDEKAZU
IPC分类号： E02F9/00 , F15B11/00 , F15B11/17 , F15B13/00 , F15B13/08
CPC分类号： F15B13/0896 , F15B11/17 , F15B13/0832 , F15B2013/006 , F15B2211/20546 , F15B2211/20576 , F15B2211/3116 , F15B2211/3127 , F15B2211/40515 , F15B2211/46 , F15B2211/7142 , F15B2211/78 , Y10T137/0491 , Y10T137/5109 , Y10T137/87169 , Y10T137/87177
摘要： PROBLEM TO BE SOLVED: To easily adapt to various optional attachment using a system in which an optional valve is assembled in a main valve block in advance. SOLUTION: A plurality of control valves 10-12 and 16-18, a hydraulic supply line 20 connected to pumps 5 and 6, and a tank line 21 connected to a tank T are assembled in both first and second main blocks 1 and 2 of multiple structure, into which an option valve 23 for controlling operation of an option actuator is assembled. A plurality of kinds of connection blocks incorporating a circuit element added to the option valve 23 are selectively attached to the main valve blocks 1 and 2. COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2004060821A Load holding device for hydraulic actuator circuit 有权
公开(公告)号：JP2004060821A
公开(公告)日：2004-02-26
申请号：JP2002222000
申请日：2002-07-30
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： TAJI HIROSHI
IPC分类号： E02F9/22 , E02F9/24 , F15B11/00 , F15B11/04 , F15B11/08 , F15B20/00
CPC分类号： F15B20/005 , E02F9/226 , E02F9/2296 , F15B11/003 , F15B2211/20546 , F15B2211/30505 , F15B2211/30515 , F15B2211/30525 , F15B2211/3116 , F15B2211/3138 , F15B2211/31576 , F15B2211/329 , F15B2211/40515 , F15B2211/40584 , F15B2211/413 , F15B2211/41527 , F15B2211/422 , F15B2211/428 , F15B2211/46 , F15B2211/55 , F15B2211/8636
摘要： PROBLEM TO BE SOLVED: To provide a load holding device for a hydraulic actuator circuit whereby operation efficiency equivalent to the one having only a meter-out opening of a control valve is secured, safety function of a holding valve is achieved, and a holding valve opening can be easily set solely without being restricted by a valve opening.
SOLUTION: The holding valve 17 is disposed in a boom extension-side (load side) pipeline 13 in a boom cylinder circuit. The opening of the holding valve 17 is controlled by the control valve 15 and a pilot pressure Pi from a remote control valve 16. On this premise, an assist cylinder 20 is provided for controlling a set pressure of a return spring 17a of the holding valve 17, and a holding pressure Ph is introduced to the cylinder 20. Therefore, the holding valve opening is throttled from a value much larger than the meter-out opening of the control valve 15 when abnormality such as a burst of the pipeline 13 occurs and the holding pressure Ph is lowered.
COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2003004003A Hydraulic control circuit of hydraulic shovel 审中-公开
标题翻译：液压油压液压控制电路
公开(公告)号：JP2003004003A
公开(公告)日：2003-01-08
申请号：JP2001189466
申请日：2001-06-22
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： TAJI HIROSHI
IPC分类号： E02F9/22 , F15B11/02 , F15B11/16 , F15B11/17
摘要： PROBLEM TO BE SOLVED: To make it possible to continue multiple operations of an option actuator and a main actuator, despite a simplified and low-cost circuit structure, so as not to cause much variation of speed of the optional devices when the actuators act on the multiple operations. SOLUTION: The present hydraulic control circuit comprises pressure sensors P1 , P2 for detecting the presence and absence of the crusher operation, and restriction means to restrict either or both of a meter-out opening and a meter-in opening of a control valve 9, 11 or the like for controlling a swivel motor 9a of a main control valve block VB and an arm cylinder 11a or the like on the basis of the presence or absence of the detected operation.
摘要翻译：要解决的问题：尽管采用简化和低成本的电路结构，尽管选择执行器和主执行机构可以继续多次操作，以便在致动器作用时不会导致可选装置的速度变化很大多个操作。解决方案：本液压控制回路包括用于检测破碎机操作的存在和不存在的压力传感器P1，P2，以及用于限制控制阀9的出口开度和计量开度的任一个或两个的限制装置， 11等用于基于检测到的操作的存在或不存在来控制主控制阀块VB和臂缸11a等的旋转马达9a。

8. 发明专利

JP2007270847A Hydraulic pressure control device for 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：JP2007270847A
公开(公告)日：2007-10-18
申请号：JP2006093420
申请日：2006-03-30
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： ASAKAGE TOMOHIKO , UMETSU YOSHIYASU , TAJI HIROSHI
IPC分类号： F15B11/00 , E02F9/22 , F15B11/05
摘要： PROBLEM TO BE SOLVED: To materialize smooth start by preventing sudden start and start delay of a hydraulic actuator while employing a load sensing control system.
SOLUTION: Areas of both of a meter in opening and a meter out opening are changed by operating a control valve 23 by a remote control valve 24. An unload valve 26 is provided between a pump line 25 and a tank T and load sensing control changing opening area of the unload valve 26 and pump flow rate to keep load sensing pressure difference which is difference between upstream pressure and downstream pressure of the meter in opening constant is performed. On an assumption that the device is constructed like this, an unload control valve 28 changing secondary pressure according to load sensing pressure difference is provided, and the unload valve 26 is indirectly controlled by secondary pressure of the unload control valve 28.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过在使用负载感测控制系统的同时防止液压致动器的突然起动和起动延迟来实现平稳起动。
解决方案：通过由遥控阀24操作控制阀23来改变开口中的计量器和出口开度的区域。卸载阀26设置在泵管线25和罐T之间并且负载感测控制改变卸载阀26的开口面积和泵流量，以保持负载感测压力差，其作为开度常数的仪表的上游压力和下游压力之间的差。假设装置如此构造，提供了根据负载感测压力差来改变二次压力的卸载控制阀28，并且卸载阀26由卸载控制阀28的二次压力间接控制。（C）2008，JPO＆INPIT

9. 发明专利

JP2006125627A Hydraulic circuit of construction machinery 审中-公开
标题翻译：建筑机械液压回路
公开(公告)号：JP2006125627A
公开(公告)日：2006-05-18
申请号：JP2005232937
申请日：2005-08-11
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： ASAKAGE TOMOHIKO , TAJI HIROSHI , TONO MASAAKI , FUJII KAZUHIKO
IPC分类号： F15B11/00 , E02F9/22 , F15B11/08
CPC分类号： E02F9/2267 , E02F9/128 , E02F9/2207 , E02F9/226 , E02F9/2285 , F15B13/0422 , F15B2211/329 , F15B2211/355 , F15B2211/7058 , Y10T137/7758
摘要： PROBLEM TO BE SOLVED: To prevent an injurious effect such as deterioration of operational performance while assuring damping action when suddenly operated. SOLUTION: A hydraulic circuit provides on primary side of reducing valves 27, 28 of a remote control valve 26 operating a hydraulic pilot operated control valve 23 a primary restrictor 32 which lowers primary pressure supplied from a pilot operated pump 30 to the reducing valves 27, 28 and at the same time provides bleed-off lines 33, 34 which bring both sides pilot lines 24, 25 into fluid communication with a tank T. The circuit also provides on the bleed-off lines 34, 35 secondary restrictors 35, 36 which relieve to rise pilot pressure which is supplied to pilot ports 23a, 23b of the control valve 23. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了防止在突然操作时确保阻尼作用时的操作性能的恶化等有害影响。解决方案：液压回路在远程控制阀26的减压阀27,28的初级侧上提供操作液压先导操作控制阀23的主节流器32，主节流器32将从先导操作的泵30供应的初级压力降低到减速阀阀27,28并且同时提供使两侧引导管线24,25与罐T流体连通的排放管线33,34。该回路还在排放管线34,35上提供二级限流器35 ，36，其缓解提供给控制阀23的先导端口23a，23b的先导压力。（C）2006年，JPO＆NCIPI

10. 发明专利

JP2005238923A Traveling operating device and traveling driving device for construction machinery 审中-公开
标题翻译：用于建筑机械的行驶操作装置和行驶驱动装置
公开(公告)号：JP2005238923A
公开(公告)日：2005-09-08
申请号：JP2004049509
申请日：2004-02-25
申请人： Kobelco Contstruction Machinery Ltd , コベルコ建機株式会社
发明人： MORI HISANOBU , YAMAZAKI YOICHIRO , OKA HIDEKAZU , TAJI HIROSHI
IPC分类号： E02F9/20 , B60K20/00 , B60K20/02 , B62D11/04 , G05G11/00
摘要： PROBLEM TO BE SOLVED: To lessen the operational burden of an operator by supporting a body of the operator by a lever from the vibration during the rough terrain traveling of a construction machinery, and improving the operability thereof.
SOLUTION: A lever 16 as an operating body is provided rotatably around the lever axis A while the tilting in the longitudinal direction is impossible, and the operation command signal according to the rotational direction and the rotation of the lever 16 is output from a sensor 20. On the other hand, a grip 22 is provided on an upper end of the lever 16 rotatably around the horizontal axis B, and the operation command signal according to the rotational direction and the rotation of the grip 22 is output from a sensor 23.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过杠杆从施工机械的崎岖地形行驶期间的振动支撑操作者的身体，并且提高操作者的可操作性，来减轻操作者的操作负担。解决方案：作为操作体的杆16可以围绕杆轴线A可旋转地设置，同时在纵向方向上的倾斜是不可能的，并且根据旋转方向和操纵杆16的旋转的操作命令信号从传感器20.另一方面，手柄22设置在杠杆16的上端，可绕水平轴线B旋转，并且根据旋转方向和手柄22的旋转的操作命令信号从传感器23.版权所有（C）2005，JPO＆NCIPI

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