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    • 2. 发明专利
    • Shield machine and tunnel excavation method
    • 屏蔽机和隧道掘进方法
    • JP2005113594A
    • 2005-04-28
    • JP2003351427
    • 2003-10-10
    • Hitachi Zosen CorpOhbayashi Corp日立造船株式会社株式会社大林組
    • MIKI KEIZOHAYASHI SEITAKUYOKOMIZO FUMIYUKIMAEDA TOMONARISAKAMOTO MASAAKIHANAOKA TAIJITAKAHASHI SHINGO
    • E21D9/087E21D9/06
    • PROBLEM TO BE SOLVED: To provide a shield machine capable of easily controlling its direction when excavating a tunnel connecting two points on the ground mutually. SOLUTION: Shield excavation devices 11 arranged movably in the forward and backward directions and having substantially square excavation cross section are arranged at two steps in the vertical direction and in four rows in the left and right directions in a barrel body 2 having rectangular cross section. A cutter head 18 provided in each shield excavation device is composed of a rotary shaft part 18a provided rotatably at a position eccentric for a rotary plate body 16 provided rotatably in a central part of a shield main body 12 in the shield excavation device and three armlike cutter parts 18b provided protrudedly and radially at an equal interval in a front end part of the rotary shaft part to excavate the square tunnel by rotating the rotary plate body and the rotary shaft part in the reverse directions for each other at a rotation ratio of 3 to 4, respectively. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种当挖掘连接地面上的两个地面的隧道的隧道时能够容易地控制其方向的盾构机。 解决方案:具有大致正方形挖掘横截面的基本上为方形挖掘横截面可移动地设置的盾构挖掘装置11在具有矩形的筒体2中沿垂直方向和左右方向分成两行 横截面。 设置在每个盾构挖掘装置中的切割头18包括旋转轴部分18a,旋转轴部分18a可旋转地设置在可旋转地设置在屏蔽挖掘装置中的屏蔽主体12的中心部分的旋转板体16的偏心位置, 在旋转轴部的前端部以相等的间隔突出设置的刀具部18b,通过使旋转板体和旋转轴部以相反的方向相对于旋转比3旋转,从而挖掘方形隧道 至4。 版权所有(C)2005,JPO&NCIPI
    • 3. 发明专利
    • Segment assembling device
    • 分段组装设备
    • JP2005113593A
    • 2005-04-28
    • JP2003351426
    • 2003-10-10
    • Hitachi Zosen CorpOhbayashi Corp日立造船株式会社株式会社大林組
    • MIKI KEIZOHAYASHI SEITAKUYOKOMIZO FUMIYUKIMAEDA TOMONARISAKAMOTO MASAAKIHANAOKA TAIJITAKAHASHI SHINGO
    • E21D9/087E21D11/40
    • PROBLEM TO BE SOLVED: To provide a segment assembling device capable of facilitating assembly of segments when assembling segments on an internal wall face of a tunnel having different shape cross sections. SOLUTION: This segment assembling device 8 for assembling segments along the internal wall face of the tunnel having rectangular cross section and excavated by a shield machine 1 is provided with a ringlike rotary body 35 provided rotatably in a vertical face in a barrel body 2, a pair of cylinder devices 38 for travel supported around a horizontal shaft core at left and right positions of the rotary body so as to swing, a segment holding body 40 whose both end parts are connected with tip parts of rods 38a for retraction of both cylinder devices by pins, respectively, and a cylinder device 41 for adjusting attitude of the cylinder device on one side provided in the rotary body. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种当在具有不同形状横截面的隧道的内壁面上组装节段时能够容易地组装节段的节段组装装置。 解决方案:用于沿着具有矩形横截面并由屏蔽机1挖掘的隧道的内壁面组装段的该段组装装置8设置有可旋转地设置在筒体中的垂直面中的环形旋转体35 如图2所示,一对气缸装置38,用于在旋转体的左右位置围绕水平轴芯支撑的摆动的气缸装置38,其两端部与杆38a的尖端部连接,用于收回 分别由销构成的两个气缸装置和用于调节设置在旋转体中的一侧的气缸装置的姿态的气缸装置41。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • Main gas valve malfunction and deterioration diagnosis method for gas engine
    • 主气门误差和气体发动机诊断诊断方法
    • JP2011157933A
    • 2011-08-18
    • JP2010022377
    • 2010-02-03
    • Hitachi Zosen Corp日立造船株式会社
    • SAKAMOTO MASAAKI
    • F02M21/02F02D45/00
    • Y02T10/32
    • PROBLEM TO BE SOLVED: To enable to predict the malfunction and deterioration of a main gas valve on a daily basis.
      SOLUTION: Technology is provided for diagnosing the condition of the main gas valve 11 installed on the midway of a main combustion chamber gas supply pipe 7 which supplies fuel gas to a mixture supply passage 8 communicated with each cylinder chamber of a gas engine. In accordance with an exhaust gas temperature detected by an exhaust gas temperature sensor 10 provided in an exhaust gas exhaust passage 9 in each cylinder of the gas engine and a knocking value detected by a knocking sensor 14 provided in each cylinder of the gas engine, a control device 15 sets an injection offset value for every cylinder. A personal computer 18 in a remote monitoring room 17 is used for calculating the injection offset value for every cylinder, extracted for one day, as an average injection offset value. A variation of the daily average injection offset value is monitored to determine whether the main gas valve 11 is malfunctioned or not. According to this result, the sign of the malfunction of the main gas valve can be determined on a daily basis even at a remote place distant from a site.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:能够每天预测主气阀的故障和劣化。 解决方案:提供了用于诊断安装在主燃烧室气体供给管7的中途的主气体阀11的状态的技术,其将燃料气体供给到与气体发动机的每个气缸室连通的混合物供给通道8 。 根据由设置在燃气发动机的各气缸中的废气排出通路9中的排气温度传感器10检测出的废气温度和由设置在燃气发动机的各气缸中的爆震传感器14检测的爆震值, 控制装置15设定每个气缸的喷射偏移值。 远程监控室17中的个人计算机18用于计算每天提取的每个气缸的喷射偏移值作为平均喷射偏移值。 监视日平均喷射偏移值的变化,以确定主气阀11是否发生故障。 根据该结果,即使在远离场地的远处也可以每天确定主气阀故障的标志。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Monitoring system of spark plug in gas engine
    • 火花发动机火花塞监测系统
    • JP2010174756A
    • 2010-08-12
    • JP2009018884
    • 2009-01-30
    • Hitachi Zosen Corp日立造船株式会社
    • KITAMURA AKIHARUSAKAMOTO MASAAKISUGIO NAOTOEGUCHI TOMOTAKA
    • F02P17/12F02M21/02G01M15/11
    • Y02T10/32
    • PROBLEM TO BE SOLVED: To provide a monitoring system of a spark plug in a gas engine capable of predicting damage to the spark plug or occurrence of abnormal states such as misfire.
      SOLUTION: The monitoring system includes: an electric current detector 11 which is disposed on an electric wiring 4 for supplying a spark plug 2 with electricity; an amplifier 12 which amplifies an analog waveform signal which indicates a current value detected by the electric current detector; an A/D converter 13 which converts the waveform signal amplified by the amplifier into digital data; and a spark state determination unit 14 which inputs the waveform signal obtained by the A/D converter and determines a spark state by the spark plug based on the inputted waveform signal. The spark state determination unit includes: a comparison part which compares a peak value of the waveform signal obtained by the A/D converter with a preset spark-deemed range which can be deemed as a spark state; and a determination part which inputs a comparison result obtained by the comparison part and thereby determines whether or not misfire occurs.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够预测火花塞的损坏或发生异常状态(例如失火)的燃气发动机中的火花塞的监视系统。

      解决方案:监控系统包括:电流检测器11,设置在用于向火花塞2供电的电线4上; 放大器12,放大表示由电流检测器检测的电流值的模拟波形信号; A / D转换器13,其将由放大器放大的波形信号转换为数字数据; 以及火花状态确定单元14,其输入由A / D转换器获得的波形信号,并且基于输入的波形信号确定火花塞的火花状态。 火花状态确定单元包括:比较部,其将由A / D转换器获得的波形信号的峰值与可以被认为是火花状态的预设的火花判定范围进行比较; 以及确定部分,其输入由比较部分获得的比较结果,从而确定是否发生失火。 版权所有(C)2010,JPO&INPIT

    • 10. 发明专利
    • Apparatus for dehydrating excavated earth and sand
    • 用于脱水的地面和砂土的装置
    • JP2008296193A
    • 2008-12-11
    • JP2007147916
    • 2007-06-04
    • Ohbayashi Corp株式会社大林組
    • YASHIRO TSUTOMUTANAKA YOSHIHIROMIKI KEIZOKITAOKA TAKASHIFUKUMOTO KATSUJISAKAMOTO MASAAKITORIIHARA MAKOTOYAMADA YUKI
    • C02F11/12B01D33/04B30B9/24E21D9/13
    • PROBLEM TO BE SOLVED: To provide an apparatus for dehydrating excavated earth and sand, in which the pressurizing force suitable for the throughput of the excavated earth and sand is exerted on the excavated earth and sand even when the throughput of the excavated earth and sand is fluctuated. SOLUTION: The apparatus 1 for dehydrating excavated earth and sand is composed of a dehydration mechanism 1a and a pressurization mechanism 1b. A pressurizing belt 32 constituting the pressurization mechanism 1b is composed of: an endless inner periphery-side belt main body 37 to be arranged on the inner peripheral side; a pressurizing body 38 arranged on the outside of the inner periphery-side belt main body; and an outer periphery-side belt main body 39 which is arranged on the outside of the pressurizing body and opposed to the inner periphery-side belt main body 37 in order to put the pressurizing body 38 between them. The pressurizing body 38 is formed by blowing air as a compressible fluid in the internal space of an endless bag 41 formed from a rubber-based material and arranging a plurality of partition walls 40 for partitioning the internal space in the internal space along the circulation direction of the pressurizing belt 32. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于脱水挖土的装置,其中适用于挖掘的砂土的生产量的加压力即使在挖掘的土壤和沙子的产量也施加在挖掘的泥土上 沙子波动。 解决方案:脱水砂土脱水装置1由脱水机构1a和加压机构1b构成。 构成加压机构1b的加压带32由内周侧配置的环状内周侧皮带主体37构成, 设置在内周侧带主体的外侧的加压体38; 以及外周侧带主体39,其设置在加压体的外侧并且与内周侧带主体37相对,以将加压体38放置在它们之间。 加压体38通过在由橡胶类材料形成的环状袋41的内部空间中吹送空气作为可压缩流体而形成,并且设置有多个分隔壁40,用于沿着循环方向分隔内部空间中的内部空间 加压带32。(C)2009,JPO&INPIT