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    • 1. 发明专利
    • Construction machine
    • 建筑机械
    • JP2008106444A
    • 2008-05-08
    • JP2006287565
    • 2006-10-23
    • Hitachi Constr Mach Co Ltd日立建機株式会社
    • NEYA HOZUMIKAWASAKI KOJITAKAYAMA TAKESHIICHIMURA KAZUHIRO
    • E02F9/00B66C23/84E02F9/16
    • PROBLEM TO BE SOLVED: To improve the efficiency of greasing work to a swing device by arranging filling ports convergently in a position that can be reached from the circumference.
      SOLUTION: The front filling port 18 and the rear filling port 19 are convergently arranged at the left end of a swing frame 6 on the lower side of a cab 7. The front filling port 18 is connected to a front greasing port 15 provided at an outer wheel 12 of the swing device 10 using front piping 21, while the rear filling port 19 is connected to a rear greasing port 16 using rear piping 22. A grease gun 20 can thereby be easily connected to the respective filling ports 18, 19 arranged at the left end of the swing frame 6. If the grease gun 20 is sequentially connected to the respective filling ports 18, 19, grease can be supplied to movable parts of the swing device 10 from two greasing ports 15, 16, and greasing work to two parts can be performed from one part in the left side position of the cab 7.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过将填充口收敛在可以从圆周到达的位置来提高对摆动装置的润滑作业的效率。

      解决方案:前充气口18和后充气口19会聚地配置在驾驶室7的下侧的摆动框架6的左端。前充气口18与前加油口15 使用前管21设置在摆动装置10的外轮12处,而后填充口19使用后管道22连接到后加脂口16.由此,可以容易地将油脂枪20连接到各个填充口18 布置在摆动框架6的左端。如果油脂枪20顺序地连接到相应的填充口18,19,可以从两个润滑口15,16向润滑脂供应到摆动装置10的可动部件, 并且可以从驾驶室7的左侧位置的一个部分执行两个部分的加油工作。(C)2008年,JPO和INPIT

    • 3. 发明专利
    • Wheel type working vehicle
    • 轮式工作车
    • JP2010105550A
    • 2010-05-13
    • JP2008279974
    • 2008-10-30
    • Hitachi Constr Mach Co Ltd日立建機株式会社
    • NAKANISHI MASASHINEYA HOZUMIKOIKE SATOSHI
    • B60T17/04E02F9/00
    • PROBLEM TO BE SOLVED: To enhance work efficiency when a hydraulic source and a front wheel brake device are connected by a hydraulic hose for a front wheel brake.
      SOLUTION: A hydraulic hose 40 for a left front wheel brake is two-divided to a hydraulic source side hose 40A and a brake device side hose 40B, and a connection portion between the respective hoses 40A, 40B is fixed to a front axle housing 17 through a left relay member 42. Thereby, the hydraulic source side hose 40A may be arranged while only taking into consideration deformation accompanied by the pivoting of the front axle housing 17, and the brake device side hose 40B may be arranged while only taking into consideration deformation accompanied by steering operation. As a result, the booster 36 and the left front wheel brake device 25 can be quickly and easily connected by the hydraulic hose 40 for the left front wheel brake comprising the hydraulic source side hose 40A and the brake device side hose 40B, and the work efficiency can be enhanced.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:当液压源和前轮制动装置通过用于前轮制动器的液压软管连接时,提高工作效率。 解决方案:用于左前轮制动器的液压软管40分为液压源侧软管40A和制动装置侧软管40B,并且各软管40A,40B之间的连接部分固定在前部 轴箱17通过左中继构件42.因此,液压源侧软管40A可以仅在考虑到伴随前桥壳体17的枢转的变形的情况下被布置,并且制动装置侧软管40B可以仅布置 考虑到伴随转向操作的变形。 结果,增压器36和左前轮制动装置25能够通过用于包括液压源侧软管40A和制动装置侧软管40B的左前轮制动器的液压软管40和工件 效率可以提高。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Fuel tank, and construction machine having the same
    • 燃油箱,以及具有相同功能的建筑机械
    • JP2010264904A
    • 2010-11-25
    • JP2009118585
    • 2009-05-15
    • Hitachi Constr Mach Co Ltd日立建機株式会社
    • NEYA HOZUMI
    • B60K15/03E02F9/00F02M37/00
    • PROBLEM TO BE SOLVED: To provide a fuel tank capable of suppressing any excessive load on a fuel pump, and a construction machine having the fuel tank.
      SOLUTION: The fuel tank 34 arranged in a hydraulic shovel 2 includes a tank body 40 having a fuel feeding port 106 in a bottom wall 52, and a fuel introducing pipe 44 extending vertically in the tank body 40 and having an openable/closable fuel port 62 exposed outward of the tank body 40 on its upper end and having a fuel introducing port 72 for communicating its inside with the inside of the tank body 40 on its lower end while the fuel introducing port 72 is located above the fuel feed port 106, a movable bulkhead 46 which is arranged in the tank body 40, and demarcates the tank body 40 into a fuel chamber 102 and an air chamber 104 while penetrating the fuel introducing pipe 44, and is elevated/lowered along the fuel introducing pipe 44 while being slidably brought into contact with an inner peripheral surface 82 of the tank body 40 and an outer circumferential surface 80 of the fuel pipe 44, and an air compressor 120 for feeding compressed air to the air chamber 104.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够抑制燃料泵上的任何过大负荷的燃料箱和具有燃料箱的施工机械。 解决方案:布置在液压挖掘机2中的燃料箱34包括在底壁52中具有燃料供给口106的罐主体40和在罐主体40中垂直延伸并具有可打开/ 可关闭的燃料口62在其上端暴露在罐体40的外侧,并且具有燃料引入口72,用于在燃料引入口72位于燃料供给上方的同时将其内部与罐主体40的内部连通在其下端 端口106,布置在罐体40中的可移动隔板46,并且在穿透燃料导入管44的同时将罐主体40划分为燃料室102和空气室104,并沿着燃料导入管升高/降低 44,同时可滑动地与罐主体40的内周表面82和燃料管44的外圆周表面80接触,以及用于将压缩空气供给到空气室104的空气压缩机120.“版权” :(C)2011,JPO&INPIT
    • 5. 发明专利
    • Suspension pin greasing structure
    • 悬吊针螺纹结构
    • JP2010089525A
    • 2010-04-22
    • JP2008258277
    • 2008-10-03
    • Hitachi Constr Mach Co Ltd日立建機株式会社
    • NEYA HOZUMI
    • B60G1/02E02F9/02F16N7/38
    • PROBLEM TO BE SOLVED: To provide a suspension pin greasing structure capable of remotely greasing a first suspension pin and a second suspension pin without adversely affecting an appearance of a work vehicle having the first and second suspension pins. SOLUTION: The suspension pin greasing structure includes a greasing passage for remotely greasing the first suspension pin 15 which relatively pivotably connects a link 14 and an axle 13 and the second suspension pin 16 which relatively pivotably connects a chassis 1 and the link 14. The greasing passage includes a first greasing passage 17 for greasing the first suspension pin 15 and a second greasing passage 18 for greasing the second suspension pin 16, with the first greasing passage 17 and the second greasing passage 18 configured so as to include a first relaying block 19 which is fixed in the vicinity of an outer edge 1a of the chassis 1 and which is equipped with a greasing nipple 23 serving as a greasing port for the first greasing passage 17 and a greasing nipple 27 serving as a greasing port for the second greasing passage 18. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够远离润滑第一悬挂销和第二悬挂销的悬挂销加脂结构,而不会对具有第一和第二悬挂销的作业车辆的外观产生不利影响。 解决方案:悬挂销加脂结构包括用于远程润滑第一悬挂销15的润滑通道,该第一悬挂销15可相对枢转地连接连杆14和轴13,第二悬挂销16可相对枢转地连接底架1和连杆14 润滑通道包括用于润滑第一悬挂销15的第一润滑通道17和用于润滑第二悬挂销16的第二润滑通道18,其中第一加脂通道17和第二加脂通道18构造成包括第一 固定在底架1的外缘1a附近的中继块19,其配置有用作第一加脂通路17的润滑口的润滑口23和作为润滑口的润滑口的润滑乳头27 第二卷第18道。版权所有(C)2010,JPO&INPIT