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    • 1. 发明专利
    • Soil improving device of shield machine, and soil improving method
    • 土壤改良装置,土壤改良方法
    • JP2010180550A
    • 2010-08-19
    • JP2009022809
    • 2009-02-03
    • Ihi CorpTaisei Corp大成建設株式会社株式会社Ihi
    • YOSHIDA YUZURUNAKANE TAKASHIMATSUMOTO KUNIAKIMORITA TAIJIADACHI HIDEAKI
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a device and a method for improving soil, which can accurately inject a soil improving agent into sediment inside and outside a slide hood, and which improve the cut-off property of the sediment near the outer periphery of the slide hood.
      SOLUTION: A cutting face is cut by rotating a cutter 10 provided in a cutter supporting portion 4, while pushing out the slide hood 3 forward by moving the cutter supporting portion 4 forward. In this case, an engaging portion provided in the cutter supporting portion 4 is engaged with a portion to be engaged, which is provided in the slide hood 3, so as to prevent the corotation of the slide hood 3; a positional relationship between an opening 19 of a chemical solution injection pipe 20 provided in the cutter supporting portion 4 and an injection hole 21 provided in the slide hood 3 is maintained; and the soil improving agent is injected into the radial outside of the slide hood 3 through the chemical solution injection pipe 20 and the injection hole 21. Subsequently, the soil improving agent is injected ahead of a bulkhead 7 of the cutter supporting portion 4, so as to make the cutter supporting portion 4 recede. Thus, soil improving zones are formed on the radial outside and inside of the slide hood 3, respectively.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种改善土壤的装置和方法,其可以将土壤改良剂精确地注入到滑动罩内外的沉积物中,并且改善外部附近的沉积物的截留性能 滑盖的周边。 解决方案:通过旋转设置在切割器支撑部分4中的切割器10,同时通过向前移动切割器支撑部分4向前推动滑动罩3来切割切割面。 在这种情况下,设置在刀具支撑部4中的接合部与设置在滑动罩3中的待接合部接合,以防止滑动罩3的共旋转; 保持设置在刀片支撑部4的化学溶液注入管20的开口19与设置在滑动罩3中的喷射孔21之间的位置关系。 并且通过化学溶液注入管20和注入孔21将土壤改良剂注入到滑动罩3的径向外侧。随后,将土壤改良剂注入刀具支撑部4的隔板7的前方,因此 以使刀具支撑部分4后退。 因此,分别在滑动罩3的径向外侧和内侧形成有土壤改良区。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Multibit
    • 多位
    • JP2010285842A
    • 2010-12-24
    • JP2009142111
    • 2009-06-15
    • Ihi CorpTaisei Corp大成建設株式会社株式会社Ihi
    • YOSHIDA YUZURUNAKANE TAKASHIMORITA TAIJIADACHI HIDEAKIKOBAYASHI SUNAO
    • E21D9/087
    • PROBLEM TO BE SOLVED: To provide a multibit which is of a simple structure and is manufactured easily at low cost. SOLUTION: The multibit includes an inner bit 10 fitted to a cutter head 4 of a tunnel excavator 1, outwardly opened taper holes 12 and 13 formed respectively on an excavation-direction front portion 10c and an excavation-direction rear portion 10d of the inner bit 10, taper pins 14 and 15 inserted respectively in the taper holes 12 and 13, an outer bit 11 attached to the inner bit 10 to cover a cutting chip 10b of the inner bit 10, positioning portions 16 and 17 which are so formed on the outer bit 11 as to be in contact with the inner bit 10 and position the outer bit 11, and welded portions 18 and 19 joining the ends 11g and 11h of the outer bit 11 to the tops 14b and 15b of the taper pins 14 and 15. The welded portions 18 and 19 are located to be more distant from the cutting chip 10b of the inner bit 10 than the positioning portions 16 and 17 are. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种结构简单并且容易以低成本制造的多位元件。 解决方案:多位包括安装在隧道挖掘机1的刀头4上的内钻头10,分别形成在挖掘方向前部10c和挖掘方向后部10d上的向外开口的锥形孔12和13 分别插入锥形孔12和13中的内部钻头10,锥形销钉14和15,附接到内部钻头10的外部钻头11,以覆盖内部钻头10的切割芯片10b,这些定位部分16和17是如此 形成在外钻头11上以与内钻头10接触并定位外钻头11,以及将外钻头11的端部11g和11h连接到锥销的顶部14b和15b的焊接部分18和19 焊接部分18和19被定位成比定位部分16和17更远离内钻头10的切割芯片10b。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Cutter bit
    • 切割机
    • JP2007284923A
    • 2007-11-01
    • JP2006111161
    • 2006-04-13
    • Ihi CorpTaisei Corp大成建設株式会社株式会社Ihi
    • ADACHI HIDEAKINAKAMURA TAKAYOSHIOSAKA MAMORUNAKAJIMA YOSHITONAKANE TAKASHIOZAKI MASAYA
    • E21D9/087E21B10/46
    • PROBLEM TO BE SOLVED: To provide a cutter bit in which an increase in service life and machinability are made compatible with each other. SOLUTION: Cemented carbide tips 5 are adjacently arranged on a shank 4 to each other from a shaft 3 side toward a cutter head 2 side. The cemented carbide tips 5 adjacent to each other are brazed to the shank 4 without being brazed to each other. Since the cemented carbide tips 5 are adjacently arranged on the shank 4 to each other from the shaft 3 side toward the cutter head 2 side, the length of the entire cemented carbide tip 5 is considered to be increased, and its service life is increased. Since the cemented carbide tips 5 are not brazed to each other, if the upper stage cemented carbide tip 5 is worn to some degree, the worn cemented carbide tip 5 comes off the shank 4, the shaft 3 can be cut off by the next stage new cemented carbide tip 5, and the cut-in thereof into the shaft 3 can be recovered. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供使使用寿命和切削性增加彼此兼容的切削刀头。 解决方案:硬质合金刀头5从轴3侧朝向刀头2侧彼此相邻地设置在柄部4上。 彼此相邻的硬质合金刀头5钎焊到柄4上,而不会彼此钎焊。 由于硬质合金刀头5从轴3侧向刀头2侧相邻地配置在柄部4上,所以考虑到整个硬质合金刀头5的长度增加,其使用寿命增加。 由于硬质合金刀片5彼此不钎焊,如果上部硬质合金刀头5磨损到一定程度,磨损的硬质合金刀头5脱离柄4,则轴3可以被下一个阶段切断 新的硬质合金刀头5,并且其切入轴3可以被回收。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Multiple bit
    • 多位
    • JP2009287186A
    • 2009-12-10
    • JP2008137721
    • 2008-05-27
    • Ihi CorpTaisei Corp大成建設株式会社株式会社Ihi
    • MORITA TAIJIADACHI HIDEAKINAKANE TAKASHIYOSHIDA YUZURU
    • E21D9/087
    • PROBLEM TO BE SOLVED: To provide a multiple bit having a simple structure and capable of reducing manufacturing cost, coping with mass production, and preventing an earth removing device from being clogged with broken pieces when an outer bit is worn and broken. SOLUTION: This multiple bit 8 to be mounted on a cutter head 4 of a tunnel excavator 1 to cut a working face K is provided with an inner bit 10 to be attached to the cutter head 4, the outer bit 11 formed to cover a cutting chip 10b of the inner bit 10, and a mounting means 12 for mounting the outer bit 11 on the inner bit 10. The outer bit 11 has a front cover part 11c arranged in front of cutting direction A, a rear cover part 11d arranged above the direction B of working face, and a connection part 11e for connecting them. The mounting means 12 has a front side mounting means 12a for attaching the front cover part 11c to a front part 10c in the cutting direction of the inner bit 10 and a rear side mounting means 12b for attaching the rear cover part 11d to a working face opposing part 10d of the inner bit 10. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种具有简单结构并且能够降低制造成本,应对大规模生产的多钻头,并且当外钻头磨损和破裂时,防止除尘装置被破碎的块堵塞。 解决方案:将要安装在隧道式挖掘机1的切割头4上以切割加工面K的多个钻头8设置有内钻头10以安装在刀头4上,外钻头11形成为 覆盖内钻头10的切割片10b,以及用于将外钻头11安装在内钻头10上的安装装置12.外钻头11具有设置在切削方向A前的前盖部分11c,后盖部分 11d布置在工作面的方向B上方,以及用于连接它们的连接部11e。 安装装置12具有用于将前盖部分11c连接到内钻头10的切割方向上的前部10c的前侧安装装置12a和用于将后盖部分11d连接到工作面的后侧安装装置12b 内部钻头10的相对部分10d。版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Multibit
    • 多位
    • JP2009138470A
    • 2009-06-25
    • JP2007317482
    • 2007-12-07
    • Ihi CorpTaisei Corp大成建設株式会社株式会社Ihi
    • MORITA TAIJIADACHI HIDEAKIYOSHIDA YUZURUNAKANE TAKASHI
    • E21D9/087
    • PROBLEM TO BE SOLVED: To provide a multibit which detaches an outside bit to expose an inside bit without using an actuator when the outside bit is worn out to a predetermined degree. SOLUTION: The multibit has: the inside bit 10 which is mounted on a cutter head 4 directly or by way of a mount 9; the outside bit 11 which is mounted on the inside bit 10 and covers the same; and a wedge member 12 which is fixed to the mount 9 or the cutter head 4, for pressing the outside bit 11 to the inside bit 10. According to the structure of the multibit, a contact surface 13 (15) between the wedge member 12 and the outside bit 11, and a contact surface 14 (16) between the outside bit 11 and the inside bit 10 are arranged in parallel with an axis in a direction C that crosses a cutting direction A of the outside bit 11 when the cutter head 4 is activated. Further the multibit is provided with a binding member 17 for binding movement of the outside bit 11 with respect to the inside bit 10 in a direction along the axis (the direction C). COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:当外部钻头磨损到预定的程度时,提供一种分离外部钻头以暴露内部钻头而不使用致动器的多挡件。

      解决方案:多位具有:直接或通过安装件9安装在刀头4上的内部钻头10; 安装在内部钻头10上并覆盖其的外部钻头11; 以及楔形构件12,其固定到安装件9或刀头4,用于将外侧钻头11按压到内部钻头10.根据多位元件的结构,在楔形构件12之间的接触表面13(15) 并且外刀头11和外刀头11与内刀头10之间的接触表面14(16)在与切刀头相交的方向C上与外刀头11的切削方向A相交的方向平行布置 4被激活。 此外,多位装置设置有装订构件17,用于在沿着轴线(方向C)的方向上绑定外侧钻头11相对于内钻头10的运动。 版权所有(C)2009,JPO&INPIT

    • 7. 发明专利
    • Spherical bit
    • 球形位
    • JP2008063780A
    • 2008-03-21
    • JP2006241197
    • 2006-09-06
    • Ihi CorpTaisei Corp大成建設株式会社株式会社Ihi
    • DOBASHI ISAOYOKOUCHI SHINTAROADACHI HIDEAKIARAI SHOICHINAKAJIMA YOSHITONAKANE TAKASHIYOSHIDA YUZURU
    • E21D9/087
    • PROBLEM TO BE SOLVED: To provide a spherical bit that can be installed at a narrow cutter body while facilitating the replacement of a cutter bit. SOLUTION: The sphere type bit 1 comprises a spherical bearing seat 7 having a through hole 6 through the natural ground 5 side, provided at the cutter body 3 of a shield machine 2 and exposed to the natural ground 5 side; a sphere 9 turnably provided at the spherical bearing seat 7; and the cutter bit 10 provided retractably in the sphere 9 and formed to be replaceable. The sphere 9 is formed with a through hole 8 penetrating in a diametrical direction, and the cutter bit 10 is slidably provided in the through hole 8 to be protrudable onto the natural ground 5 side and to be pulled out of an opening on the opposite side to the natural ground 5 side. The sphere 9 is provided with a driving means 27 taking reaction from the sphere 9 to slide the cutter bit 10, and the spherical bearing seat 7 is formed with a cover face part 11 closing the natural ground 5 side opening of the through hole 8 when the sphere 9 is turned by a predetermined angle. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供可以安装在狭窄刀体上的球形钻头,同时有助于更换刀头。 球形钻头1包括球形轴承座7,其具有通过自然地面5侧的通孔6,设置在屏蔽机2的刀具主体3处并暴露于自然地面5侧; 球形轴9可转动地设置在球面轴承座7上; 并且刀头10可缩回地设置在球体9中并且形成为可更换的。 球体9形成有沿直径方向贯通的通孔8,刀头10可滑动地设置在通孔8中,以能够突出到自然地面5侧并从相对侧的开口拉出 到自然地5一侧。 球体9设置有从球体9反作用以滑动刀头10的驱动装置27,并且球面轴承座7形成有盖面部11,其封闭通孔8的自然地面5侧开口, 球体9转动预定角度。 版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Underground structure and water cutoff method
    • 地下结构和水切割方法
    • JP2009114786A
    • 2009-05-28
    • JP2007291074
    • 2007-11-08
    • Taisei Corp大成建設株式会社
    • MORITA TAIJIOKUBO HIDEYAADACHI HIDEAKI
    • E21D13/00
    • PROBLEM TO BE SOLVED: To provide a underground structure and a water cutoff method, having high durability and obtaining a seal structure, facilitating construction.
      SOLUTION: This underground structure 1 is constructed using a plurality of tunnel boxes 10, 10 juxtaposed by a jacking method. In the two adjacent tunnel boxes 10, 10, the outer surface 10a of at least one tunnel box opposite to the other tunnel box 10 is provided with an elastic seal member 20 formed of hard rubber having water swelling property, which is disposed along the propulsion direction.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种具有高耐久性和获得密封结构的地下结构和截水方法,便于施工。 解决方案:该地下结构1使用多个通过顶起方法并置的隧道箱10,10来构造。 在两个相邻的隧道箱10,10中,与另一个隧道箱10相对的至少一个隧道箱的外表面10a设置有由具有水膨胀性质的硬橡胶形成的弹性密封构件20,弹性密封构件20沿着推进 方向。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Shield machine, and method of measuring tail clearance and/or dimension of internal space of segment tunnel
    • 屏蔽机和测量分段隧道内部空间的尾部间隙和/或尺寸的方法
    • JP2007070827A
    • 2007-03-22
    • JP2005256492
    • 2005-09-05
    • Taisei Corp大成建設株式会社
    • ADACHI HIDEAKIMORITA TAIJI
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a shield machine which can simultaneously perform excavation by an excavator and the measurement of a tail clearance etc. and which can automatically measure the dimensions of an internal space of an arbitrary segment ring in the rear of a machine tail, and a method of measuring the tail clearance and/or the dimensions of an internal space of a segment tunnel.
      SOLUTION: The shield machine 1 comprises: a shifter 6 which can be rotated around piping 4 for a passage, elongated in the direction of the elongation of the shield machine 1, inside a skin plate 2 constituting the shield machine 1, and which can be moved in the direction of the elongation; telescopic devices 71 and 71 which are mounted on the shifter 6; and a distance sensor 81 which is mounted at the leading end of the telescopic device 71. The distance sensor 81 measures a distance to an inner surface of the skin plate 2, and a distance to a segment, so that the tail clearance, depending on the rotation of the shifter 6 around the piping 4 and the shift of the piping 4 in the direction of the elongation, so that the tail clearance, the circularity of the segment ring, etc. can be automatically measured.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够同时进行挖掘机的挖掘和尾部间隙等的测量的盾构机,其能够自动地测量后方的任意分段环的内部空间的尺寸 机尾,以及测量段隧道的内部空间的尾隙和/或尺寸的方法。 屏蔽机1包括:移位器6,其能够绕构成屏蔽机1的皮肤板2内的围绕屏蔽机1伸长方向延伸的通道的管道4旋转;以及 其可以在伸长的方向上移动; 安装在变速器6上的伸缩装置71和71; 以及距离传感器81,其安装在伸缩装置71的前端。距离传感器81测量到皮肤板2的内表面的距离以及与片段的距离,使得尾部间隙取决于 变速器6绕管道4的旋转和管道4沿伸长方向的移动,从而可以自动测量尾间隙,环形环的圆度等。 版权所有(C)2007,JPO&INPIT