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    • 1. 发明专利
    • Tunnel excavation device for renewing existing duct
    • 隧道掘进装置,用于改造现有的排水沟
    • JP2012184573A
    • 2012-09-27
    • JP2011047539
    • 2011-03-04
    • Okumura Corp株式会社奥村組
    • ARAKAWA KENJIYAMADA NAOTOSHIKAWASHIMA EISUKEMORI TATSUO
    • E21D9/06F16L1/024
    • PROBLEM TO BE SOLVED: To provide a tunnel excavation device for renewing an existing duct, capable of renewing the existing duct into a new duct while efficiently and accurately excavating a ground on the outer periphery of the existing duct along the axial direction of the existing duct even in the case where the existing duct is constructed snaking or curving when renewing the existing duct such as a deteriorating sewer into the new duct.SOLUTION: While a cutter bit 7 mounted at the front end of an outer cylinder 3 so as to propel inner and outer cylinders 3, 6 covering the rear end of the existing duct P1 to the front side of a shield body 1 integrally with the shield body 1 excavates a ground on the outer periphery of the existing duct P1, a scraping blade 9 mounted at the front end of the inner cylinder 6 scrapes the hardened layer attached onto the outer periphery of the existing duct P1. The rear ends of the inner and outer cylinders 3, 6 are connected to the front end side of the shield body 1 in a vertically and horizontally flexible manner for smooth excavation in the axial direction of the existing duct P1.
    • 要解决的问题:提供一种用于更新现有管道的隧道挖掘装置,其能够将现有管道更新为新的管道,同时在现有管道的外周沿着轴向方向有效且准确地挖掘地面 即使在将现有管道如劣化的下水道更新到新的管道中时,现有管道构造为蛇形或弯曲的情况下也存在管道。 解决方案:安装在外筒3的前端的切割刀头7,以便将覆盖现有管道P1的后端的内外筒3,6一体地推向屏蔽体1的前侧 屏蔽体1在现有管道P1的外周上挖掘地面,安装在内筒6的前端的刮刀9刮除附着在现有管道P1的外周上的硬化层。 内筒3和外筒6的后端以屏蔽体1的前端侧以水平和水平的方式垂直地连接,以便在现有导管P1的轴向上进行平滑的挖掘。 版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • Flexible joint mounting structure
    • 柔性接头安装结构
    • JP2006291457A
    • 2006-10-26
    • JP2005109333
    • 2005-04-06
    • Mutsubishi Rubber Co LtdOkumura Corp六菱ゴム株式会社株式会社奥村組
    • HAYASHI HIROYOSHIYAMADA NAOTOSHIUEDA SOUICHIROUKAWASAKI HISANORI
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a mounting structure for easily mounting a flexible joint between a tip part of a shielded tunnel and a peripheral edge part of a pit mouth of an arrival shaft by easy work, without putting the periphery of the pit mouth in an unstable state.
      SOLUTION: This flexible joint 10 mounting structure is arranged in an annular ring shape by interposing between the tip part 15a of the shielded tunnel 15 joined to the arrival shaft 12 and the peripheral edge part 13a of the pit mouth 13 of the arrival shaft 12, and absorbs relative positional dislocation between the tip part 15a of the tunnel 15 and the pit mouth 13. The flexible joint 10 is composed of a segment side fixing part 16 fixed to the tip part 15a of the tunnel 15, a pit mouth side fixing part 17 fixed to the peripheral edge 13a of the pit mouth 13, and a flexibly deformable part 18 arranged between the segment side fixing part 16 and the pit mouth side fixing part 17. The segment side fixing part 16 is fixed to a cutting end surface 19 of cutting a segment 14a on the tip of the tunnel 15 in a design fixing position of the segment side fixing part 16.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种安装结构,用于通过容易的工作容易地将柔性接头安装在屏蔽通道的末端部分和到达轴的凹坑口的周缘部分之间,而不会使 坑口处于不稳定状态。 解决方案:该柔性接头10安装结构通过插入到抵达轴12的连接的隧道15的前端部15a和到达轴12的凹坑13的周缘部13a之间而形成为环状环状。 轴12吸收隧道15的前端部15a与坑口13之间的相对位置错位。弹性接头10由固定在隧道15的前端部15a的分段侧固定部16,凹坑 固定在凹坑13的周缘13a上的侧面固定部17以及设置在分段侧固定部16与凹坑口侧固定部17之间的柔性变形部18.分段侧固定部16固定于切割 在段侧固定部16的设计固定位置切割隧道15的末端上的段14a的端面19。版权所有(C)2007,JPO&INPIT
    • 3. 发明专利
    • Updating method of existing pipe
    • 现有管道更新方法
    • JP2012188804A
    • 2012-10-04
    • JP2011050592
    • 2011-03-08
    • Okumura Corp株式会社奥村組
    • ARAKAWA KENJIYAMADA NAOTOSHIKAWASHIMA EISUKEMORI TATSUO
    • E21D9/06F16L1/024
    • PROBLEM TO BE SOLVED: To provide an updating method of an existing pipe, capable of efficiently demolishing and eliminating the existing pipe such as a deteriorated drainpipe provided with secondary lining concrete on an inner peripheral surface of a primary lining segment, and efficiently and accurately constructing a new pipe at the place of the demolition.SOLUTION: By advancing a crusher A provided with a cutter head 2 on a front end of a cylindrical barrel 1, secondary lining concrete P2 in an existing pipe P is crushed and removed in a length direction from the rear end face by the rotating cutter head 2. Then, while advancing a tunnel excavator A provided with a cylindrical body 30 covering a rear end part of a primary lining segment P1 on the front side, the cylindrical body 30 is rotated. Thus, outer peripheral ground of the primary lining segment P1 is excavated by a cutter bit 31 projected at the front end of the cylindrical body 30, the primary lining segment P1 covered with the cylindrical body 30 is demolished and removed, and also a new pipe P' is formed inside a rear part of the tunnel excavator A.
    • 要解决的问题:为了提供现有管道的更新方法,能够有效地拆除和消除在初级衬里段的内周面上设置有二级衬里混凝土的劣化排水管等现有管道,并且有效地 并在拆迁的地方准确建造新的管道。 解决方案:通过将设置有刀头2的破碎机A推入圆筒1的前端,将现有管P中的二次衬里混凝土P2从后端面沿长度方向压碎和移除, 旋转刀头2.然后,在设置有覆盖前侧的主衬里段P1的后端部的圆筒体30的隧道式挖掘机A的前进时,筒体30旋转。 因此,通过突出在圆筒体30的前端的切刀31挖出主衬里部P1的外周面,拆除被圆柱体30覆盖的一次衬里部P1,并且将新的管 P'形成在隧道挖掘机A的后部内。版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Tunnel excavation device for renewing existing duct
    • 隧道掘进装置,用于改造现有的排水沟
    • JP2012184574A
    • 2012-09-27
    • JP2011047540
    • 2011-03-04
    • Okumura Corp株式会社奥村組
    • ARAKAWA KENJIYAMADA NAOTOSHIKAWASHIMA EISUKEMORI TATSUO
    • E21D9/06F16L1/024
    • PROBLEM TO BE SOLVED: To provide a tunnel excavation device for renewing an existing duct, capable of accurately excavating a ground on the outer periphery of the existing duct along the axial direction of the existing duct and of smoothly discharging excavation sediment to the rear side when renewing the existing duct such as a deteriorating sewer into a new duct.SOLUTION: Inner and outer cylinders 3, 6 covering the rear end of the existing duct P1 are disposed on the front side of a shield body 1. While a cutter bit 7 mounted at the front end of the outer cylinder 3 excavates a ground on the outer periphery of the existing duct P1, a scraping blade 9 mounted at the front end of the inner cylinder 6 scrapes a back-filling agent hardened layer fixed onto the outer peripheral face of the existing duct P1. Besides, a space between the inner peripheral face of the outer cylinder 3 and the outer peripheral face of the inner cylinder 6 is formed as a sediment discharge passage 8 communicated with a muddy water chamber 13 formed between back plates 3a, 6b of the inner and outer cylinders to discharge excavation sediment via muddy water discharge pipes 14, 15 to the rear side.
    • 要解决的问题:为了提供一种用于更新现有管道的隧道挖掘装置,能够沿着现有管道的轴向方向在现有管道的外周上精确地挖掘地面,并且平稳地将挖掘沉积物排放到 将现有管道如劣化的污水管更新为新的管道时的后侧。

      解决方案:覆盖现有管道P1的后端的内筒3和外筒6布置在屏蔽体1的前侧。安装在外筒3的前端的切割刀头7挖掘出 在现有管道P1的外周接地,安装在内筒6的前端的刮刀9刮擦固定在现有管道P1的外周面上的后补剂硬化层。 此外,外筒3的内周面与内筒6的外周面之间的空间形成为与形成在内侧的背板3a,6b之间的泥浆水室13连通的沉淀物排出通道8,以及 外筒通过泥水排水管14,15向后侧排放挖掘沉积物。 版权所有(C)2012,JPO&INPIT

    • 5. 发明专利
    • Tunnel excavation device for demolishing and updating existing pipe
    • 用于拆卸和更新现有管道的隧道挖掘装置
    • JP2012188805A
    • 2012-10-04
    • JP2011050593
    • 2011-03-08
    • Okumura Corp株式会社奥村組
    • ARAKAWA KENJIYAMADA NAOTOSHIKAWANISHI TAKEYUKIYAMANAGA KIYOKAZU
    • E21D9/06
    • PROBLEM TO BE SOLVED: To provide a device capable of efficiently cutting, demolishing and removing a deteriorated existing pipe from its rear end part without stopping distribution of sewage or the like, and constructing a new pipe while accurately excavating outer peripheral ground of the existing pipe along the axial direction of the existing pipe.SOLUTION: A center shaft 5 projected to the inside of the rear end part center of an existing pipe P1 is provided on a partition wall front surface center part of a shield body 1, the end part of the existing pipe P1 is divided into a plurality of block pieces by a wire saw 37 while distributing sewage or the like by a bypass pipe P3 through the center shaft 5, and the divided block pieces are carried away by gripping means 21 or the like turnable around the center shaft 5. A cylindrical body 3 for covering the rear end part of the existing pipe P1 is disposed on the front side of the shield body 1, and a new pipe P2 is constructed on the rear side while excavating the outer peripheral ground of the existing pipe P1 by a cutter bit 7 mounted on the front end of the cylindrical body.
    • 要解决的问题:提供一种能够从其后端部有效地切割,拆除和除去劣化的现有管道而不停止污水等的分配的装置,并且在准确地挖掘外围地面的同时构建新的管道 现有管道沿着现有管道的轴向。 解决方案:在屏蔽体1的隔壁前表面中心部分设置有一个突出到现有管道P1的后端部中心内侧的中心轴5,现有管道P1的端部被分割 在通过中心轴5分配旁通管P3的污水等的同时通过线锯37分割成多个块体,并且通过夹持装置21等绕着中心轴5转动来分离分割块体。 用于覆盖现有管道P1的后端部的圆筒体3设置在屏蔽体1的前侧,并且在后侧构造新的管道P2,同时通过以下方式挖掘现有管道P1的外围地面 安装在圆柱体的前端上的刀头7。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Crusher for secondary lining concrete of existing pipe
    • 用于现有管道的二次内衬混凝土的破碎机
    • JP2012188803A
    • 2012-10-04
    • JP2011050591
    • 2011-03-08
    • Okumura Corp株式会社奥村組
    • ARAKAWA KENJIYAMADA NAOTOSHITATSUTA NORIYUKIYOSHIDA HIDENORI
    • E21D11/00E21D9/10
    • PROBLEM TO BE SOLVED: To provide a crusher capable of efficiently crushing and removing secondary lining concrete of an existing pipe when repairing or demolishing the existing pipe such as a deteriorated drainpipe.SOLUTION: At a front end of a cylindrical barrel 1, a cutter head 2 provided with a plurality of roller cutters 3 for crushing secondary lining concrete P2 of a deteriorated existing pipe P is freely rotatably disposed. On an outer peripheral part of the cutter head 2, a debris fetch port 5 for fetching crushed debris into the crusher and sending it to the side of a rake-up plate 8 on a back surface of the cutter head 2 is provided. Also, a debris scooping member 9 is projected to the front and provided on a surface plate front surface of the cutter head 2. The debris crushed by the roller cutters 3 is raked up by the debris scooping member 9 and the rake-up plate 8, dropped into a debris receiving hopper 7 disposed at a center opening 4 of the cutter head 2, and discharged through the inside of the existing pipe P by a belt conveyor 10.
    • 要解决的问题:提供一种能够有效地破碎和除去现有管道的二次衬里混凝土的破碎机,当修复或拆除诸如劣化的排水管的现有管道时。 解决方案:在圆筒1的前端,设置有多个用于破碎劣化的现有管P的二次衬里混凝土P2的辊切割器3的切割头2可自由旋转地设置。 在切割头2的外周部设置有用于将破碎的碎屑取入破碎机的碎片取出口5,并将其送到刀头2的后表面的耙盘8侧。 此外,碎屑拾取构件9向前突出并设置在切割头2的表面板前表面上。由滚轮切割器3破碎的碎片被碎屑拾取构件9和耙升板8 ,落入设置在刀头2的中心开口4处的碎片接收料斗7中,并通过带式输送机10通过现有管道P的内部排出。(C)2013,JPO&INPIT
    • 7. 发明专利
    • Tunnel excavation device for renewing existing duct
    • 隧道掘进装置,用于改造现有的排水沟
    • JP2012184572A
    • 2012-09-27
    • JP2011047538
    • 2011-03-04
    • Okumura Corp株式会社奥村組
    • ARAKAWA KENJIYAMADA NAOTOSHIKAWASHIMA EISUKEMORI TATSUO
    • E21D9/06F16L1/024
    • PROBLEM TO BE SOLVED: To provide a tunnel excavation device for renewing an existing duct, capable of efficiently excavating a ground on the outer periphery of the existing duct and scraping a hardened layer of back-filling agent or the like fixed to the outer peripheral face of the existing duct when renewing the existing duct such as a deteriorating sewer into a new duct.SOLUTION: While a cutter bit mounted at the front end of an outer cylinder 3 so as to propel inner and outer cylinders 3, 6 covering the rear end of the existing duct P1 to the front side of a shield body 1 integrally with the shield body 1 excavates a ground on the outer periphery of the existing duct P1, a scraping blade 9 mounted at the front end of the inner cylinder 6 and a jet water injection nozzle 10 scrape the back-filling agent hardened layer on the outer peripheral face of the existing duct P1. The inner and outer cylinders 3, 6 are vertically and horizontally flexible relative to the shield body 1 for accurate excavation along the flexuous outer peripheral faces of a snaking part and a curving construction part when existing in the existing duct P1.
    • 要解决的问题:提供一种用于更新现有管道的隧道挖掘装置,其能够在现有管道的外周上有效地挖掘地面,并刮擦固定在所述管道上的后补剂等的硬化层 将现有管道如恶化的下水道更新为新的管道时,将现有管道的外周面。 解决方案:当安装在外筒3的前端的切割刀头,以便将覆盖现有管道P1的后端的内外筒3,6推到屏蔽体1的前侧, 屏蔽体1在现有管道P1的外周挖掘地面,安装在内筒6的前端的刮刀9和喷射水喷射喷嘴10刮除外筒上的反向填充剂硬化层 现有管道P1的面。 内外筒3和外筒6相对于屏蔽体1垂直和水平地具有柔性,用于当存在于现有导管P1中时沿着蛇形部分的弯曲外周面和弯曲结构部分进行精确的挖掘。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Tunnel excavation device for renewing existing duct
    • 隧道掘进装置,用于改造现有的排水沟
    • JP2012184571A
    • 2012-09-27
    • JP2011047537
    • 2011-03-04
    • Okumura Corp株式会社奥村組
    • ARAKAWA KENJIYAMADA NAOTOSHIKAWASHIMA EISUKEMORI TATSUO
    • E21D9/06F16L1/024
    • PROBLEM TO BE SOLVED: To provide a tunnel excavation device for renewing an existing duct, capable of breaking down and removing the existing duct such as a deteriorating sewer while allowing the flow of sewerage therein, and of efficiently forming a new duct on the removal site of the existing duct.SOLUTION: While a cutter bit mounted at the front end of an outer cylinder 3 so as to propel inner and outer cylinders 3, 6 covering the rear end of the existing duct P1 to the front side of a shield body 1 integrally with the shield body 1 excavates a ground on the outer periphery of the existing duct P1, a scraping blade 9 mounted at the front end of the inner cylinder 6 and a jet water injection nozzle 10 cut a back-filling agent hardened layer on the outer peripheral face of the existing duct P1. A center shaft 5 inserted into the rear end center of the existing duct P1 is protruded on the partition wall front face center of the shield body 1, and a bypass pipe P3 is provided for distributing sewerage through the internal of the center shaft 5 from the existing duct P1 into a new duct P2 formed behind the shield body 1.
    • 要解决的问题:提供一种用于更新现有管道的隧道挖掘装置,其能够在允许其中的污水流动的同时分解和去除诸如恶化的下水道的现有管道,并且有效地形成新的管道 现有管道的拆除现场。 解决方案:当安装在外筒3的前端的切割刀头,以便将覆盖现有管道P1的后端的内外筒3,6推到屏蔽体1的前侧, 屏蔽体1在现有管道P1的外周挖出地面,安装在内筒6的前端的刮刀9和在外周侧切断后填充剂硬化层的喷射水喷嘴10 现有管道P1的面。 插入到现有管道P1的后端中心的中心轴5在屏蔽体1的隔壁前表面中心突出,并且设置旁通管P3,用于通过中心轴5的内部从 现有管道P1形成在屏蔽体1后面形成的新的管道P2。版权所有:(C)2012,JPO&INPIT