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31. 发明专利

JP2000257377A SHIELD JACK 失效
公开(公告)号：JP2000257377A
公开(公告)日：2000-09-19
申请号：JP6417899
申请日：1999-03-11
申请人： TAISEI CORP , PENTA OCEAN CONSTRUCTION , HITACHI CONSTRUCTION MACHINERY , SEIWA KIKO KK
发明人： SAKAE TAKESHI , HAGA YUKIO , ABE SEIJI , HARA SHUICHI , MATSUFUJI HIROYUKI , HIRASAWA YUKIHISA , MAEHARA NOBUYUKI , SAKAGAMI YOSHIHARU
IPC分类号： E21D9/06
摘要： PROBLEM TO BE SOLVED: To provide a shield jack for surely preventing the front end part of a segment from being damaged due to the decrease in the contacting area of a spreader and the front end face of the segment from being damaged due to the side deviation of the end part of the spreader. SOLUTION: A shield jack 4 that has a spreader 12 where the degree of freedom in the direction of a normal line H of a contacting surface T that comes into contact with a front end face Z of a segment 2 after assembly at a rear end part and is arranged with a proper interval in the circumferential direction of a shield tail part is provided with a spreader restriction means 13 for restricting the rotation of the said spreader 12 around the normal line H by connecting those being adjacent out of a plurality of spreaders 12 that are selected arbitrarily according to the layout of the segment 2.

32. 发明专利

JPH09242491A EXECUTION WORK METHOD OF SHIELDING TUNNEL AND WATERPROOF SHEET TO BE USED FOR IT AND JOINING DEVICE OF WATERPROOF SHEET 失效
公开(公告)号：JPH09242491A
公开(公告)日：1997-09-16
申请号：JP8079096
申请日：1996-03-08
申请人： TAISEI CORP , PENTA OCEAN CONSTRUCTION , HITACHI CONSTRUCTION MACHINERY
发明人： BESSHO TOSHIHIKO , KANEKO MICHIKAZU , HARA SHUICHI , IIO MASASHI , HIRASAWA YUKIHISA , MAEHARA NOBUYUKI
IPC分类号： E21D11/00 , E21D11/38
摘要： PROBLEM TO BE SOLVED: To enhance water stop capability by assembling a segment ring inside a newly arranged waterproof sheet after an axial directional edge part of the newly arranged waterproof sheet laid in a ring shape is joined to an existing waterproof sheet laid between a natural ground and the segment ring. SOLUTION: A waterproof sheet 100 composed of a sheet part 101 and a collar part 102 is wound round the outer periphery of a segment 110 set up in a ring shape, and a segment 110 constituting the next ring is assembled while fastening it by a bolt through a bolt hole 103. Next, a shielding machine is push-advanced, and a backfilling material is filled between the waterproof sheet 100 and a natural ground, and the waterproof sheet 100 is wound round the outer periphery of the segment 110. An edge part on the rear side of excavation propulsion of this sheet 100 is inserted between the precedently arranged waterproof sheet 100 and the outer periphery of the segment 110. Therefore, infiltration of water into an adjacent part from a waterproof sheet damaged part is not caused, and water does not leak from between segments of a place except the damaged part.

33. 发明专利

JPH08240098A JOINTING DEVICE FOR WATERPROOF SHEET 失效
公开(公告)号：JPH08240098A
公开(公告)日：1996-09-17
申请号：JP4314895
申请日：1995-03-02
申请人： TAISEI CORP , PENTA OCEAN CONSTRUCTION , HITACHI CONSTRUCTION MACHINERY
发明人： KANEKO MICHIKAZU , HARA SHUICHI , IIO MASASHI , HIRASAWA YUKIHISA , MAEHARA NOBUYUKI
IPC分类号： E21D11/38
摘要： PURPOSE: To automatically joint new and existing waterproof sheets to each other simply via the operation of a machine by winding the new sheet around the existing sheet in a lapped state, and causing a jointing machine held on a guide to self-travel in such a state as clamping the lapped section. CONSTITUTION: In a segment assembly space 3 formed within a skin plate 1 through the travel of a shield machine over one unit of excavation length, a new waterproof sheet 14 is wound around an existing waterproof sheet 9 in a lapped state. Also, a support frame 11 holds a guide 10, thereby enabling a jointing machine 8 to be guided and supported during the self-travel thereof. Then, the machine 8 clamping the lapped section of the sheets 9 and 14, when driven, self-travels along the lapped section and turns to hold and joint the sheets 9 and 14 to each other in a close contact state. In this case, the jointing machine 8 is guided and supported on the guide 10 via a roller, and does not fall even in the upper half section of the skin plate 1. Thereafter, the butt ends of the sheet 14 are jointed and segments 6 are assembled along the internal surface thereof.

34. 发明专利

JPH07243299A SHIELD MACHINE 失效
公开(公告)号：JPH07243299A
公开(公告)日：1995-09-19
申请号：JP6205194
申请日：1994-03-07
申请人： TAISEI CORP , PENTA OCEAN CONSTRUCTION
发明人： KANEKO MICHIKAZU , HARA SHUICHI
IPC分类号： E21D9/06 , E21D11/10
摘要： PURPOSE:To dispense with displacement of a concrete placing pipe so as to enhance construction efficiency by pressurizing concrete placed between an inner form and the natural ground by means of a press ring movable in the axial direction of a shield. CONSTITUTION:Openings 11 corresponding in the number to concrete placing pipes 4 are provided penetrating in the axial direction of a shield at proper places of a press ring 1, which is formed movable in the axial direction of the shield by means of a press jack. A tip 42 of the concrete placing pipe 4 is inserted and arranged in the opening 11 of the press ring 1 so as to be positioned within the opening 11 even when the press ring 1 is at a position most moved to the placed concrete side. A tip of a push out rod 6 is inserted from a tail end 43 of the concrete placing pipe 4 into the pipe 4 and moved to the tip 42 side so that remaining concrete in the pipe 4 can be pushed out to between an inner form and the natural ground and troublesome work to disassemble piping for cleaning can be dispensed with.

35. 发明专利

JPH0754573A PROPELLING EXCAVATION METHOD FOR UPWARD ROUTE FROM INSIDE OF EXISTING TUNNEL 失效
公开(公告)号：JPH0754573A
公开(公告)日：1995-02-28
申请号：JP22644093
申请日：1993-08-19
申请人： PENTA OCEAN CONSTRUCTION , TAISEI CORP , ISHIKAWAJIMA HARIMA HEAVY IND , ISHIKAWAJIMA KENZAI KOGYO KK
发明人： HARA SHUICHI , TANAKA KIYOSHI , SATO SHIN , KANEKO KENICHI , KANEKO MICHIKAZU , UEHARA TOSHIAKI , ITO HIROYUKI , HASHIMOTO HIROHIDE
IPC分类号： E21D3/00 , E21D9/06
摘要： PURPOSE:To prevent the previously pushed-up propelling tube from falling, and ensure a safe work in the application of a propelling construction method where an excavation work is undertaken, while a propelling tube being pushed up, at the time of excavating and forming an upward route from the inside of an existing tunnel. CONSTITUTION:Support rings 9 supported with a jack 10 for free vertical motion are coupled to the external surface of propelling tubes 4 jointed and sequentially pushed up from the inside of an existing tunnel 1. Also, tapered surface 9a having an expanded upper section is formed on the internal surface of the rings 9. Then, a plurality of tube holding circular wedges 11 are inserted in a gap between the tapered surface 9a and the tubes 4, and rings 9 are pushed up with the jack 10, thereby undertaking a jointing work for the next propelling tube, while the tubes 4 being held and stopped via the wedges 11.

36. 发明专利

JP2002201897A LAPPING SHIELD MACHINE 失效
公开(公告)号：JP2002201897A
公开(公告)日：2002-07-19
申请号：JP2000401513
申请日：2000-12-28
申请人： TAISEI CORP , PENTA OCEAN CONSTRUCTION , HITACHI CONSTRUCTION MACHINERY
发明人： HAGA YUKIO , HARA SHUICHI , MATSUFUJI HIROYUKI , OKADA HIDEAKI , MORITA MICHIAKI , HIRASAWA YUKIHISA , YOSHIDA TAKESHI , TAKANO FUMIYA , IIDA YOSHINORI
IPC分类号： E21D9/06 , E21D11/38
摘要： PROBLEM TO BE SOLVED: To provide a lapping shield machine having a waterproof sheet winding-up arm for surely gripping a waterproof sheet without increasing the thickness. SOLUTION: In this lapping shield machine arranged in a shield body so as to pass between a shield jack and a tail plate while turning the arm 3, and joining a lap part of the waterproof sheet by winding the waterproof sheet 10a so as to lap mutual adjacent edge parts on a cylindrical existing waterproof sheet by turning the arm 3 for installing the waterproof sheet 10a, the arm 3 comprises a plate-like arm body 3-1, a wedge fitting part arranged by arranging inserting clearance s of the waterproof sheet 10a between the wedge fitting part and the arm body 3-1, and composed of a top plate 3-3 fittable with a wedge member 3-8, and the wedge member 3-8 capable of sandwiching the waterproof sheet 10a inserted into the inserting clearance s by cooperating with the arm body 3-1.

37. 发明专利

JPH0941881A DISCHARGE SEDIMENT QUANTITY ADJUSTING DEVICE FOR SHIELD MACHINE 失效
公开(公告)号：JPH0941881A
公开(公告)日：1997-02-10
申请号：JP19548695
申请日：1995-07-31
申请人： ISHIKAWAJIMA HARIMA HEAVY IND , TAISEI CORP , PENTA OCEAN CONSTRUCTION
发明人： TATEIWA SHINGO , WAKECHIGAI TAKASHI , KANEKO KENICHI , KANEKO MICHIKAZU , NISHIDA YOSHINORI , HARA SHUICHI , TANAKA KIYOSHI , SATO SHIN
IPC分类号： E21D3/00 , E21D9/12
摘要： PROBLEM TO BE SOLVED: To prevent the plugging in a discharge pipe by providing a pinch valve having an expanding/shrinking elastic film and a lubricant feeding device below the excavation chamber of an upward shield machine, and opening or closing a discharge passage with the fluid pressure. SOLUTION: The sediment excavated by a cutter provided at the upper end section is received by a funnel-like chamber, and the sediment in the chamber is dropped and discharged by the tare weight through a discharge pipe 7. A paddle screw 31 is rotatably provided in the discharge pipe 7, and the sediment in it is cut or segmented. A discharged sediment quantity adjusting device 20 constituted of a pinch valve 10 having an elastic film 26 is installed below the discharge pipe 7, air is guided into a fluid chamber 30, the elastic film 26 is expanded or shrunk, and a discharge passage is opened or closed. A lubricant is fed from the discharged sediment quantity adjusting device 20, and the sediment is smoothly discharged at the time of a start in particular. A collar 43 is provided on a rotary shaft 39 so that the rotary shaft 39 can be rotated even when the elastic film 26 is brought into contact with it. The plugging of the discharged sediment can be prevented by a simple device.

38. 发明专利

JPH0791166A METHOD OF EXCAVATING UPWARD PIT 失效
公开(公告)号：JPH0791166A
公开(公告)日：1995-04-04
申请号：JP26421593
申请日：1993-09-28
申请人： TAISEI CORP , ISHIKAWAJIMA HARIMA HEAVY IND , PENTA OCEAN CONSTRUCTION , ISHIKAWAJIMA KENZAI KOGYO KK
发明人： KANEKO KENICHI , ITO HIROYUKI , HARA SHUICHI , HASHIMOTO HIROHIDE
IPC分类号： E21D3/00 , E21D5/10 , E21D9/06
摘要： PURPOSE:To minimize operation and facilities in a starting base and to improve operating efficiency by taking the propulsion reaction of a shield excavator from a reaction cylinder installed at a center, connecting an extending steel pipe at the excavator tail end of a lining body and excavating a pit. CONSTITUTION:A shield excavator 1 is mounted upward. Space in an existing tunnel is used as a starting base as the place of installation at that time, and a reaction cylinder 2 is arranged at the central position of the shield excavator 1 in the vertical direction. The lower end of the reaction cylinder 2 can receive reaction from the ground at that time. Reaction is taken to the reaction cylinder 2, the shield excavator 1 is elevated upward, and steel pipes 4 are welded at the rear end of the excavator 1 according to the quantity of elevation, and a pit is excavated. Excavated soil and sand are discharged into a horizontal tunnel from a lower end by utilizing an earth-removing pipe 14, an earth- removing hose, etc., disposed into the reaction cylinder 2.

39. 发明专利

JPH06341289A SHIELD MACHINE 失效
公开(公告)号：JPH06341289A
公开(公告)日：1994-12-13
申请号：JP14975793
申请日：1993-05-31
申请人： TAISEI CORP , ISHIKAWAJIMA HARIMA HEAVY IND , PENTA OCEAN CONSTRUCTION , ISHIKAWAJIMA KENZAI KOGYO KK
发明人： KANEKO KENICHI , BESSHO TOSHIHIKO , KANEKO MICHIKAZU , UEHARA TOSHIAKI , ITO HIROYUKI , HARA SHUICHI , TANAKA KIYOSHI , KOBAYASHI KAZUHIRO
IPC分类号： E21D9/06 , E21D9/08 , E21D9/087
摘要： PURPOSE:To expand or shrink the shield diameter according to each execution site by combining a basic shield unit, expansion cutters, and an expansion skin plate for excavation. CONSTITUTION:The rotary cutter 2 of a basic shield unit is constituted of screw rod-like fitting sections 22 protruded at both end sections of the spoke-like cutter 2 and block-like expansion cutters 24 screwed to the screw rods. Excavation bits 25 are properly planted on the surfaces of the expansion cutters 24 in response to the required expansion size of a shield, and the excavation diameter is expanded or shrunk when the expansion cutters 24 are fitted or removed. An expansion skin plate 3 having the diameter larger than that of the skin plate 1 of the basic unit is outwardly fitted to the basic unit via a reinforcing material 31 to eliminate a step difference from the expanded cutter 2. The opening section of a bulkhead 11 side is closed with a circular wall 33, and a spreader 34 suitable for the diameter to be kept in contact with the inner face of the expansion skin plate 3 is fitted to the tip of a shield jack 12 for excavation.

40. 发明专利

JPH06288191A BREAKAGE PREVENTING STRUCTURE FOR SHIELD WATERPROOF SHEET 失效
公开(公告)号：JPH06288191A
公开(公告)日：1994-10-11
申请号：JP9836093
申请日：1993-04-02
申请人： TAISEI CORP , PENTA OCEAN CONSTRUCTION
发明人： KANEKO MICHIKAZU , BESSHO TOSHIHIKO , HARA SHUICHI
IPC分类号： E21D11/00 , E21D11/38
摘要： PURPOSE:To prevent the breakage of waterproof sheets arranged between the inner face of a tail section and the outer faces of segments by wholly or partially arranging a cushioning material between the inner face of the tail section of a shield machine and the outer faces of the waterproof sheets. CONSTITUTION:A plate-like cushioning material 2 made of soft material such as synthetic resin or rubber is fitted on the inner face of the tail plate 1 of a shield machine, and the sufficient length is secured from a tail seal 11 to the working face side beyond the assembly position of segments 3. The segments 3 are kept in no contact with the inner face of the tail plate 1 at the time of assembling, and a required tail clearance is secured between the segments 3 and the cushioning material 2. When the segments 3 are to be assembled, waterproof sheets 4 are added and stuck in the range of the cushioning material 2, and the segments 3 are assembled by an erector. The shield machine is advanced after the segments 3 are assembled into a ring shape, and these actions are repeated to assemble the segments 3 stuck with the waterproof sheets 4.

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