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1. 发明专利

JP2007186897A Work machine operating pedal 有权
标题翻译：工作机操作台
公开(公告)号：JP2007186897A
公开(公告)日：2007-07-26
申请号：JP2006005558
申请日：2006-01-13
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： ITO YUJI , MITSUHASHI MAKOTO
IPC分类号： E02F9/20 , G05G1/46 , G05G1/50 , G05G7/00
摘要： PROBLEM TO BE SOLVED: To provide a work machine operating pedal which is reduced in weight, easily formed into a different shape, and has a structure bringing about advantageous design and cost.
SOLUTION: The work machine operating pedal is divided into an operating pedal body 20 on which an operator steps, and lower structures 34, 35 connecting the operating pedal body 20 to a valve 27. The operating pedal body 20 is composed of resin or an aluminum alloy, and has a mounting portion 32 arranged on the lower surface thereof, and connected to the lower structures 34, 35. Each of the lower structures 34, 35 is composed of a metal that has strength larger than the strength of the resin or the aluminum alloy. Then the lower structure 35 has an engagement receptacle 36 formed therein for being engaged with a lock member 23. In order to set up joint portions of the lower structures 34, 35 to the mounting portion 32 of the operating pedal body 20, the mounting portion 32 is pinched by the lower structures 34, 35, and the former is fastened to the latter by means of bolts 47.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种重量轻，易于形成为不同形状的作业机械操作踏板，并且具有带来有利的设计和成本的结构。解决方案：作业机操作踏板分为操作踏板主体20和操作踏板本体20，下操作踏板本体20与操作踏板本体20连接。操作踏板本体20由树脂或铝合金，并且具有布置在其下表面上的安装部分32，并且连接到下部结构34,35。每个下部结构34,35由金属构成，该金属的强度大于树脂或铝合金。然后，下部结构35具有形成在其中的接合插座36，用于与锁定构件23接合。为了将下部结构34,35的接合部分安装到操作踏板本体20的安装部分32上， 32被下部结构34,35夹住，并且前者通过螺栓47紧固到后者结构上。（C）2007，JPO＆INPIT

2. 发明专利

JP2010242856A Cylinder device 有权
标题翻译：气缸装置
公开(公告)号：JP2010242856A
公开(公告)日：2010-10-28
申请号：JP2009092188
申请日：2009-04-06
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： INAMOTO AKIRA , MITSUHASHI MAKOTO , EGAWA SHUJI
IPC分类号： F15B15/14
摘要： PROBLEM TO BE SOLVED: To provide a cylinder device which is improved in durability and life of a welding section, and is processed in compact size and lightweight without enlarging a thickness of a hollow rod. SOLUTION: A fixing cylinder 18 for fixing the fixing end 17A side of a hollow rod 17 to a piston 15 is constructed of: a cylindrical fixing member 19 greater in a thickness of inner diameter side than the hollow rod 17; and cylindrical connecting member 20 interposed between the fixing end 17A of the hollow rod 17 and fixing member 19. The cylindrical connecting member 20 is processed to have a large diameter section greater in a thickness of inner diameter side in one side in an axial direction, and a small diameter section smaller in thickness on the other side in the axial direction. The connecting member 20 joins the large diameter side greater in thickness than the hollow rod 17 to the fixing member 19 by a spigot welding section 22, and also joins small diameter section side smaller in thickness to the fixing end 17A side of the hollow rod 17 by a butting welding section 21. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种提高焊接部件的耐久性和使用寿命的圆筒装置，并且在不增加中空棒的厚度的情况下加工成紧凑的尺寸和重量。解决方案：用于将中空杆17的固定端17A侧固定到活塞15上的固定筒18由如下构成：圆筒状固定件19的内径一侧的厚度大于中空杆17的厚度; 以及插入在中空杆17的固定端部17A和固定部件19之间的圆筒形连接部件20.圆筒形连接部件20被加工成具有沿轴向一侧的内径侧的厚度更大的大直径部分，以及在轴向另一侧的厚度较小的小直径部。连接构件20通过插口焊接部22将大于中空杆17的大直径侧连接到固定构件19，并且还将较小厚度的小直径部侧连接到中空杆17的固定端17A侧通过对接焊接部分21。版权所有：（C）2011，JPO＆INPIT

3. 发明专利

JP2006118150A Return circuit of hydraulic working implement 审中-公开
标题翻译：液压工作执行回路
公开(公告)号：JP2006118150A
公开(公告)日：2006-05-11
申请号：JP2004304869
申请日：2004-10-19
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： NORITA MASAYUKI , MITSUHASHI MAKOTO , MURAKAMI SHIRO
IPC分类号： E02F9/00 , F15B21/04
摘要： PROBLEM TO BE SOLVED: To provide a return circuit of a hydraulic working implement, which can prolong the life of hydraulic equipment by preventing a rise in oil temperature, in a hydraulic working machine exclusively using a breaker as the hydraulic working implement or using a breaker attached while having compatibility with other working implements.
SOLUTION: An oil cooler 9 is provided in a hydraulic circuit 8 between a control valve 4 of the hydraulic working implement 3 and an oil tank 2 thereof. The hydraulic circuit is constituted in such a manner that a return oil passes through the oil cooler 9 without reference to the type of the implement 3. A low-pressure accumulator 10 and a filter 14 are provided in the circuit between the oil cooler 9 and the implement 3 serving as the return circuit when the implement 3 is the breaker.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种液压工作装置的回路，其可以通过专门使用断路器作为液压作业工具的液压工作机器，通过防止油温升高来延长液压设备的使用寿命，或者使用断路器，同时兼容其他工作工具。解决方案：在液压工作装置3的控制阀4和油箱2之间的液压回路8中设置油冷却器9。液压回路构成为回流油不经过工具3的类型通过油冷却器9.在油冷却器9和油冷却器9之间的回路中设置有低压蓄能器10和过滤器14 当工具3是断路器时，工具3用作回路。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2002371592A Sling wire connection device of construction equipment 有权
标题翻译：建筑设备的连接线连接装置
公开(公告)号：JP2002371592A
公开(公告)日：2002-12-26
申请号：JP2001184443
申请日：2001-06-19
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： MITSUHASHI MAKOTO , YOSHIDA KUNIHIKO
IPC分类号： E02F9/18 , B66C1/66
CPC分类号： E02F9/003
摘要： PROBLEM TO BE SOLVED: To lift construction equipment such as a hydraulic back hoe completely in an extremely stable state, and prevent a counterweight from being damaged by a load acting thereon at the time of lifting or a sling wire. SOLUTION: This sling wire connection device 20 to which the sling wire 12 for the hydraulic back hoe 1 is fixed is installed on the counterweight 8 at two positions, namely, at the right and left rear positions. In the sling wire connection device 20, an axially unmovable and rotatable rotating rod 24 is installed in a slide tube 22 slidably inserted into a boss member 21 fixed to the lower surface of the frame 4a of an upper structure 4, a lever member 25 is pivotally supported at the tip part 24a of the rotating rod 24 through a pivot pin 27, and the lever members 25 is allowed to tilt in two directions, i.e., in the longitudinal and lateral directions of the boss member 21. A fixing pin 28 allowing a hook 13 for the sling wire 12 to be engaged thereto and disengaged therefrom is fitted to the tip part of the lever member 25. A pressing member 29 pressed to the outer surface of the counterweight 8 is installed at a position just below the installed position of the fixing pin 28.
摘要翻译：要解决的问题：在非常稳定的状态下完全提升诸如液压锄头的施工设备，并且防止配重在起吊时起作用的负载或吊索损坏。解决方案：用于液压后锄头1的吊索12固定在其上的吊索连接装置20在两个位置即左右后位置上安装在配重8上。在吊索连接装置20中，轴向不可移动和旋转的旋转杆24安装在可滑动地插入固定到上部结构4的框架4a的下表面的凸起构件21中的滑动管22中，杆构件25是通过枢轴销27枢转地支撑在旋转杆24的末端部分24a处，并且允许杆构件25在凸起构件21的两个方向，即沿着纵向和横向的两个方向上倾斜。固定销28允许用于吊索12与其啮合并与其脱离啮合的钩13被装配到杠杆构件25的末端部分。按压到配重8的外表面的按压构件29被安装在安装位置正下方的位置的固定销28。

5. 发明专利

JP2008267395A Device and method for determining filter clogging for construction machine 有权
标题翻译：用于确定建筑机械过滤器的装置和方法
公开(公告)号：JP2008267395A
公开(公告)日：2008-11-06
申请号：JP2007106851
申请日：2007-04-16
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： ARIGA SHIYUUEI , ISHIKAWA HIROJI , MITSUHASHI MAKOTO , KOWATARI YOICHI
IPC分类号： F15B20/00 , B01D35/02 , B01D35/143 , E02F9/26
摘要： PROBLEM TO BE SOLVED: To accurately inform an operator of a degree of filter clogging.
SOLUTION: The filter clogging determining device includes: a filter 11 filtering return oil to a hydraulic fluid tank; a clogging detection means 21 detecting the degree of clogging of the filter 11 based on a physical quantity ΔP varied according to the amount of return oil; a clogging determination means 20 negating clogging detection by the clogging detection means 21 at least when an arm is in dumping operation and determining that the filter 11 is clogged when clogging of a predetermined level or more is detected by the clogging detection means 21 though the arm is not in the dumping operation; and an alarm means 22 giving an alarm when it is determined that the filter 11 is clogged by the clogging determination means 20.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：准确地通知操作者一定程度的过滤器堵塞。过滤器堵塞确定装置包括：过滤器11，其将返回油过滤到液压油箱; 堵塞检测装置21，根据返回油量的物理量ΔP检测过滤器11的堵塞程度; 堵塞判定单元20，至少当臂处于倾倒运转时，判断堵塞检测单元21的堵塞检测结果，通过堵塞检测单元21检测出预定水平以上的堵塞，判定为过滤器11堵塞不在倾销行动中; 以及当确定过滤器11被堵塞确定装置20堵塞时发出报警的报警装置22。（C）2009年，JPO和INPIT

6. 发明专利

JP2010242375A Hydraulic circuit device for hydraulic shovel 有权
标题翻译：液压电动液压电路装置
公开(公告)号：JP2010242375A
公开(公告)日：2010-10-28
申请号：JP2009092112
申请日：2009-04-06
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： HANAKAWA WAKICHI , MITSUHASHI MAKOTO , NAKAMURA TSUYOSHI
IPC分类号： E02F9/22 , E02F3/36 , E02F9/26 , F15B11/028 , F15B11/08
CPC分类号： E02F3/966 , E02F9/2242 , E02F9/26 , F15B11/028 , F15B2211/5157 , F15B2211/55 , Y10T137/87096
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic circuit device for a hydraulic shovel, capable of adapting the attachment of a hydraulic breaker a crusher, or the like having various characteristics and capacities, to the hydraulic circuit for the attachment in a simple constitution. SOLUTION: The hydraulic circuit device for the hydraulic shovel having the hydraulic circuit for the attachment includes: a direction control valve 16 for supplying pressure oil to and discharging it from the attachment connected to the hydraulic circuit for the attachment; a first overload relief valve unit 38 provided on one pipe of the hydraulic circuit for the attachment; a second overload relief valve unit 39 provided on the other pipe of the hydraulic circuit for the attachment; a first proportional solenoid valve 40 for adjusting the relief set pressure of the first overload relief valve unit 38; and a second proportional solenoid valve 41 for adjusting the relief set pressure of the second overload relief valve unit 39. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于液压挖掘机的液压回路装置，其能够将具有各种特性和容量的液压破碎机等的破碎机等附接到用于附接的液压回路中，宪法。解决方案：具有用于附件的液压回路的液压挖掘机的液压回路装置包括：方向控制阀16，用于向连接到用于附接的液压回路的附件提供压力油并将其排出; 设置在用于附件的液压回路的一个管道上的第一过载溢流阀单元38; 设置在用于附件的液压回路的另一个管道上的第二过载安全阀单元39; 用于调节第一过载溢流阀单元38的溢流设定压力的第一比例电磁阀40; 以及用于调节第二过载溢流阀单元39的溢流设定压力的第二比例电磁阀41.版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2007162866A Flow control device for hydraulic working machine 有权
标题翻译：液压工作机用流量控制装置
公开(公告)号：JP2007162866A
公开(公告)日：2007-06-28
申请号：JP2005361883
申请日：2005-12-15
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： ARABARI MASASHI , KOWATARI YOICHI , MITSUHASHI MAKOTO , KONNO SHIGEYA
IPC分类号： F15B11/04 , E02F9/22
摘要： PROBLEM TO BE SOLVED: To provide a flow control device for a hydraulic working machine allowing an operator to carry out setting adjustment of a setting flow rate being a maximum flow rate which can be supplied to a particular actuator.
SOLUTION: A hydraulic excavator has a first hydraulic pump 1, a second hydraulic pump 2, an opening and closing valve 3 merging pressure oil discharged from the hydraulic pumps 1, 2, an actuator 4 for a boulder crusher operating a boulder crusher by the merged pressure oil supplied via the opening and closing valve 3, and a plurality of actuators including a slewing motor. In a composition, the maximum flow rate which can be supplied to the actuator 4 for the boulder crusher is stored beforehand in a storing part 9d of a controller 9 as a setting maximum flow rate Q1 related to the actuator for the boulder crusher, and a flow control means including an input device 10b or the like of a monitor device 10 capable of changing the setting maximum flow rate Q1 related to the actuator 4 for the boulder crusher is provided in the hydraulic excavator.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于液压工作机的流量控制装置，其允许操作者执行可被提供给特定致动器的最大流量的设定流量的设定调节。解决方案：液压挖掘机具有第一液压泵1，第二液压泵2，合并从液压泵1,2排出的压力油的开闭阀3，用于使用石块破碎机的巨石破碎机的致动器4 通过经由开关阀3供给的合并压力油，以及包括回转马达的多个致动器。在组合中，能够提供给用于巨石破碎机的致动器4的最大流量预先存储在控制器9的存储部9d中，作为与巨石破碎机的致动器相关的设定最大流量Q1，在液压挖掘机中设置有能够改变与用于破岩机的致动器4相关的设定最大流量Q1的监视装置10的输入装置10b等的流量控制装置。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007091089A Wiper device of working machinery 有权
标题翻译：工作机械擦拭装置
公开(公告)号：JP2007091089A
公开(公告)日：2007-04-12
申请号：JP2005284384
申请日：2005-09-29
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： SHIMAMURA TADATOSHI , KOMATSU KAZUNORI , MITSUHASHI MAKOTO
IPC分类号： B60S1/28 , B60S1/08 , E02F9/16
摘要： PROBLEM TO BE SOLVED: To provide a wiper device of working machinery capable of wiping both of a left upper part and a right upper part of a front window of a cabin of the working machinery.
SOLUTION: This wiper device of the working machinery is constituted capable of controlling a first electric motor 22 included in a first electric motor device 21 and a second electric motor 26 included in a second electric motor device 25 so that first and second wiper bodies 20, 24 do not interfere with each other by providing the first wiper body 20 and the first electric motor device 21 to drive this wiper body on a left side part of the front window 5 in front of the cabin 4 and providing the second wiper body 24 and the second electric motor device 25 to drive this second wiper body on a right side part of the front window 5.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够擦拭工作机械的机舱的前窗的左上部和右上部的工作机械的刮水装置。解决方案：该工作机械的刮水器装置构成为能够控制包括在第一电动机装置21中的第一电动机22和包括在第二电动机装置25中的第二电动机26，使得第一和第二刮水器主体20,24通过设置第一刮水器主体20和第一电动马达装置21在驾驶室4的前方的前窗5的左侧部分上驱动该刮水器本体而不会彼此干涉，并提供第二刮水器主体24和第二电动机装置25，以驱动前窗5的右侧部分上的第二刮水器本体。（C）2007，JPO＆INPIT

9. 发明专利

JP2006022563A Working machine and attachment distinction method 审中-公开
标题翻译：工作机器和附件分配方法
公开(公告)号：JP2006022563A
公开(公告)日：2006-01-26
申请号：JP2004201938
申请日：2004-07-08
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： NORITA MASAYUKI , OKAJI TADASHI , MITSUHASHI MAKOTO
IPC分类号： E02F9/26 , E02F3/36 , E02F9/00
摘要： PROBLEM TO BE SOLVED: To provide a working machine capable of notifying a proper replacement time of operating fluid shortening a life or an operating fluid filter element by using a breaker and capable of checking the setting of an oil circuit or others when using the braker.
SOLUTION: Pressure sensors 19 and 20 are installed in an auxiliary circuit as a power source of a working attachment 2, an attachment to be mounted is distinguished by a controller 21 which reads pressure signals from the pressure sensors 19 and 20, and a warning is issued by deciding whether or not a supply flow rate and a hydraulic circuit are wrongly set in the case the breaker is used. Operating times of a bucket, the breaker and other attachments are respectively calculated to compute working days ratio of the breaker, and the proper replacement time of the operating fluid or the operating fluid filter element is calculated to indicate it on an indicator 22.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过使用断路器通知使工作流体缩短寿命或工作流体过滤元件的适当更换时间的工作机，并且能够在使用时检查油路等的设定制动器。解决方案：压力传感器19和20安装在作为工作附件2的动力源的辅助回路中，待安装的附件由读取压力传感器19和20的压力信号的控制器21区分，并且在使用断路器的情况下，通过判定供给流量和液压回路是否被错误地设定来发出警告。分别计算铲斗的运行时间，断路器和其他附件，以计算断路器的工作日比率，并计算工作流体或工作流体过滤元件的适当更换时间，以在指示器22上指示。
版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2003049446A Alarm control device for construction machine 有权
标题翻译：建筑机械报警控制装置
公开(公告)号：JP2003049446A
公开(公告)日：2003-02-21
申请号：JP2001236225
申请日：2001-08-03
申请人： Hitachi Constr Mach Co Ltd , 日立建機株式会社
发明人： KONNO SHIGEYA , SUGIYAMA GENROKU , MITSUHASHI MAKOTO , KOMORI YOICHI
IPC分类号： E02F3/43 , E02F9/24 , E02F9/26 , E04G23/08
摘要： PROBLEM TO BE SOLVED: To provide an alarm control device for a construction machine capable of appropriately issuing an alarm, when resulting in a state of causing breakage of an arm cylinder when crushing a reinforced frame in demolishing a building. SOLUTION: This alarm control device for the construction machine is provided with an angle sensor 80 detecting an angle between the lower surface of a hoisting boom 12 and an arm 14, a pressure sensor 76 detecting the dropping movement of the hoisting boom 12, and an alarm controller 78 issuing the alarm from a buzzer 82 or a lamp 84 to an operator based on the detection signal from the sensors 76 and 80, when the arm 14 is in a state of reaching full crowding.
摘要翻译：要解决的问题：为了提供一种能够适当地发出报警的施工机械的报警控制装置，当在拆除建筑物时对加强框架进行破碎时造成臂筒破损的状态。解决方案：该建筑机械的报警控制装置设有检测起重臂12的下表面和臂14之间的角度的角度传感器80，检测起重吊杆12的下落动作的压力传感器76以及报警控制器78当臂14处于完全拥挤的状态时，基于来自传感器76和80的检测信号，从蜂鸣器82或灯84向操作者发出报警。

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