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1. 发明专利

JPH11166399A LINING METHOD OF TIMBERING ASSEMBLED IN RING AND ASSEMBLING DEVICE OF TIMBERING 失效
公开(公告)号：JPH11166399A
公开(公告)日：1999-06-22
申请号：JP35987197
申请日：1997-12-26
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： NAKAYAMA TAKAYOSHI , HIRAISHI ISAO , ONO JUNJI , INOUE SHOJI , INOUE SATORU , MINAMI YOSHITO , NAKAMURA MASARU , FUKADA MASAO , MORIOKA KYOICHI
IPC分类号： E21D11/40
摘要： PROBLEM TO BE SOLVED: To expedite the lining work of timbering by successively supplying following pieces to an assembling position while rotating an erector holding the first piece by a prescribed angle, and fastening the final piece to both adjacent pieces in the assembling position to assemble one ring. SOLUTION: One ring of an easy liner 10 is formed of three kind of pieces consisting of a standard piece A, a piece B having an inclined surface on one circumferential end part and a piece K having an inclined surface conformed to the inclined surface of the piece B on one end part. The piece B is supplied to the lower part within the tail part of a tunnel boring machine, and held by an erector head 5a, the erector 5a is rotated by a prescribed angle to supply the piece A to the lower position, and the connecting end parts of the pieces A, B are mutually bolted. The works of rotating the erector head 5a upward by the length portion of the connected piece A, supplying the following piece A, and bolting the adjacent end parts are successively performed, and the piece K is filled in the remaining narrow space to form a ring. Thus, the lining time of timbering can be shortened, and the working efficiency can be improved.

2. 发明专利

JPH09195684A TUNNEL EXCAVATOR 失效
公开(公告)号：JPH09195684A
公开(公告)日：1997-07-29
申请号：JP680996
申请日：1996-01-18
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： NAKAYAMA TAKAYOSHI , CHIHARA HIDEKI , OKADA AKIRA , TANAKA MASAHIKO , IWAMOTO HIROAKI , TERADA SHINICHI , YAMAZAKI TOSHIHIRO
IPC分类号： E21D9/02 , E21D9/10
摘要： PROBLEM TO BE SOLVED: To protect workers found between a tunnel excavator and a succeeding truck or inside the succeeding truck from a falling substance by providing a falling substance blocking plate attached with a door between the excavator and the truck. SOLUTION: Regarding a tunnel excavator 1, which has a succeeding truck connected to its rear and excavates an inclined shaft with a stooping-down roof, falling substance blocking plates 22, 23 of two steps are provided above respective traction beams 20 one in front and one in rear. The respective falling substance blocking plates 22, 23 are arranged so that they may be horizontal while the inclined shaft is excavated and may cover almost the whole horizontal plane in the space above the traction beam 20. The falling substance blocking plate 22, which is made in a shape of cutting one of its elliptical plate end in a straight line and having this end (front end) pivoted to the traction beam 20, has an opening in almost a rectangular shape formed on the center of its front end and the rear end, and the opening on the rear end is provided with a double-leafed hinged door so as to cover the opening. The workers normally work behind (below) the falling substance blocking plates 22, 23.

3. 发明专利

JP2002013398A ASSEMBLY DEVICE FOR TUNNEL TIMBERING PIECE 失效
公开(公告)号：JP2002013398A
公开(公告)日：2002-01-18
申请号：JP2000196938
申请日：2000-06-29
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： NAKAYAMA TAKAYOSHI , INOUE SHOJI , MINAMI YOSHITO , NAKAMURA MASARU
IPC分类号： E21D11/40 , E21D11/14
摘要： PROBLEM TO BE SOLVED: To accurately and efficiently perform both construction in accordance with the properties of rock-beds, namely, the construction on a wall face to be digged by assembling a plurality of barlike timbering pieces constituted by curving shape steel like a circular arc into a ringlike timbering body if the wall face to be digged is stable and hard rock-bed and the construction of a wall face to be digged by assembling a plurality of facial timbering pieces like plane rectangular frame provided with stretched wire netting for preventing collapse like a ring if the wall face to be digged is loose rock-bed easy to collapse. SOLUTION: A first arm member provided with a gripping device of the facial timbering piece and a second arm member provided with a gripping device of the barlike timbering piece are connected with a turning body arranged in a tunnel excavator in series toward the back, and these gripping devices are provided with a turn prevention part for preventing the turn of the timbering piece in the direction of tunnel cross section and an oscillation prevention part for preventing its oscillation in the direction of tunnel length to assemble the timbering piece accurately and efficiently. The gripping device provided in the first arm member and the gripping device provided in the second arm member are separately used in accordance with the properties of the rock-beds.

4. 发明专利

JPH11210380A TUNNEL EXCAVATING MACHINE FOR ROCKBED 失效
公开(公告)号：JPH11210380A
公开(公告)日：1999-08-03
申请号：JP1520598
申请日：1998-01-28
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： OTSUKA KATSUJI , MIZUHARA KENZO , NAKAYAMA TAKAYOSHI , KAJIWARA MISAO
IPC分类号： E21D9/10
摘要： PROBLEM TO BE SOLVED: To improve the excavating ground stable through injection of a minimum necessary amount of chemical unreasonablely by approaching the liquid injection part to the place planned as the working face using a boring machine to be mounted on a tunnel excavating machine. SOLUTION: A boring machine 10 equipped with a chemical injecting function is installed in the rear part of a main beam 3 extending backward from inside the body 2 of a tunnel excavating machine 1. The axis of a drill 12 installed on the boring machine 10 is set at an angle directed some outward from the periphery of the cutter head 6 from inside the body 2 of tunnel excavating machine 1, and a roof support 5 part in the front of the body 2 is furnished with a plurality of insert holes 7 furnished with a drill guide 7a to admit penetration of the drill 12 in a specified distribution over a range covering the upper half of the body 2.

5. 发明专利

JPH11159298A SUPPORT METHOD 失效
公开(公告)号：JPH11159298A
公开(公告)日：1999-06-15
申请号：JP32869397
申请日：1997-11-28
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： NAKAYAMA TAKAYOSHI , HIRAISHI ISAO , ONO JUNJI , INOUE SHOJI , INOUE SATORU , MINAMI YOSHITO , MORIOKA KYOICHI
IPC分类号： E21D11/14 , E21D11/40
摘要： PROBLEM TO BE SOLVED: To assemble a plurality of units into a ring shape in the condition of graphing one unit with an erector head to make rotational movement possible by fixedly providing supporting metal fittings on an erector ring so as to support a unit for supporting structural body. SOLUTION: An erector head 8 and supporting metal fittings 9 are provided on a rotationally movable erector ring 6 arranged on the rear end of an open type tunnel excavator 1. At first, a unit for supporting structure 7 is grasped with the erector head 8, rotationally moved by a prescribed angle, the next unit 7 is joined together by bolts, it is supported with the supporting metal fitting 9, thereafter the ring is rotationally moved in order by prescribed angles so as to assemble a plurality of units 7 into a ring-shape. In the units 7, there is various sorts of different lining roughness, the ring formed out of units 7 is rotationally moved, so as to move the unit 7 having the finest lining roughens to the loose position of the natural ground. Consequently, the ring is formed in the condition of grasping one unit 7 with the erector head 8, and various units 7 constituting the ring can be arranged on the appropriate places.

6. 发明专利

JP2002106296A TUNNEL SUPPORT ASSEMBLING DEVICE 失效
公开(公告)号：JP2002106296A
公开(公告)日：2002-04-10
申请号：JP2000300638
申请日：2000-09-29
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： NAKAYAMA TAKAYOSHI , INOUE SHOJI , MINAMI YOSHITO , NAKAMURA MASARU
IPC分类号： E21D11/40
摘要： PROBLEM TO BE SOLVED: To efficiently assemble a ringed tunnel support by means of a support segment holder revolvable along the inner circumference of a skin plate, by smoothly and accurately feeding and introducing a plurality of tunnel support segments successively to a support segment assembly position in the skin plate. SOLUTION: A ring body is arranged within a skin plate, and a support segment holder is mounted for revolution along the ring body. Along the revolution locus of the holder, a plurality of support segment supporting rollers are arranged in an upper half circumference in the skin plate at short intervals. A plurality of support segment carrying rollers are arranged on the inner bottom of the skin plate in an opposed relation to the support segment supporting rollers. The space over and along the carrying rollers is used as an assembly position. Every time a tunnel support segment fed and introduced to the assembly position is held by the holder and moved circumferentially over a constant angle, the next tunnel support segment is successively coupled to the previous tunnel support segment in a trailing relation, which operation is repeated to assemble a ringed tunnel support supported on the support segment supporting roller.

7. 发明专利

JP2001065282A TUNNEL EXCAVATOR 失效
公开(公告)号：JP2001065282A
公开(公告)日：2001-03-13
申请号：JP23994499
申请日：1999-08-26
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： NAKAYAMA TAKAYOSHI , MINAMI YOSHITO , MORIOKA KYOICHI
IPC分类号： E21D9/06 , E21D9/10
摘要： PROBLEM TO BE SOLVED: To provide a tunnel excavator having a similar reponsiveness to a weak stratum to that of a double shield type capable of reducing a gap between a pit wall and a machine body, and securing sufficient steering performance. SOLUTION: A cylindrical shield 21 covering an outer circumferential part of a cutter head support 3 is bendably connected between a front drum 22 and a back drum 23. The front drum 22 and the back drum 23 are connected to each other by an articulate jack 24. In gripper propulsion, the articulate jack 24 is set free. In shield jack propulsion, the front drum 22 is bent by the articulate jack 24.

8. 发明专利

JP2002070472A STRUCTURE FOR FACE PLATE OF CUTTER HEAD FOR TUNNEL EXCAVATOR 失效
公开(公告)号：JP2002070472A
公开(公告)日：2002-03-08
申请号：JP2000261027
申请日：2000-08-30
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： NAKAYAMA TAKAYOSHI , TAKECHI YOSHIO , MINAMI YOSHITO , MORIOKA KYOICHI
IPC分类号： E21D9/02 , E21D9/08 , E21D9/087 , E21D9/12
摘要： PROBLEM TO BE SOLVED: To increase safety, workability and the efficiency of excavation by replaceably installing a raking plate for raking excavation muck to the outer periphery side of a cutter head in such a manner easily attachable to/detachable from the inside of a tunnel excavator. SOLUTION: The raking plate 11 is detachably fitted from the inside of the cutter head into an approximately long narrow groove hole 20 formed in the face plate 3a of the front face of the cutter head.

9. 发明专利

JP2001065285A MAIN BODY STRUCTURE FOR TUNNEL EXCAVATOR 失效
公开(公告)号：JP2001065285A
公开(公告)日：2001-03-13
申请号：JP23994599
申请日：1999-08-26
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： NAKAYAMA TAKAYOSHI , MINAMI YOSHITO , MORIOKA KYOICHI
IPC分类号： E21D9/06 , E21D9/10
摘要： PROBLEM TO BE SOLVED: To provide the main body structure of a tunnel excavator which can be easily manufactured indifferent tunnel excavation methods or tunnel excavation diameters. SOLUTION: A main beam 2 and a cutter head support 3 are set as basic component elements, and a front support attachment 31 or a shield attachment is installed to the basic component elements. By only replacing the front support attachment 31 with the shield attachment, specifications can be changed. By changing a cutter head 4 or the like, excavation diameters can be changed.

10. 发明专利

JPH11324588A SUPPORTING METHOD OF TUNNEL 失效
公开(公告)号：JPH11324588A
公开(公告)日：1999-11-26
申请号：JP8442399
申请日：1999-03-26
申请人： OKUMURA CORP , KOMATSU MFG CO LTD
发明人： NAKAYAMA TAKAYOSHI , HIRAISHI ISAO , ONO JUNJI , INOUE SHOJI , INOUE SATORU , MINAMI YOSHITO , NAKAMURA MASARU , FUKADA MASAO , MORIOKA KYOICHI
IPC分类号： E21D11/14 , E21D11/40
摘要： PROBLEM TO BE SOLVED: To prevent the inner wall of a tunnel from collapsing by assembling support pieces into a ring form, extruding it rearward, widening the diameter to solve a gap against the inner wall of the tunnel, and directly supporting the inner wall of the tunnel with the supporting ring. SOLUTION: In an open type tunnel boring machine 1, a supporting piece fed by a carrying means is held with an erector head 11 to rotationally move at a fixed angle, the held supporting piece is connected together to the next supporting piece by bolts, and thereafter the supporting pieces are in order connected to each other to form a supporting ring. Further, an erector ring 9 is provided with supporting metal fittings to support the supporting ring. In addition to extrude rearward the supporting ring by a extruding jack 13, the connecting bolts are loosened to spread the supporting ring by spreading jacks provided on the connected end parts of the supporting so as to closely stick the outer circumference of the ring to the inner wall of the tunnel. Consequently, the gap between the inner wall of the tunnel and the supporting is solved, and the inner wall of the tunnel can be prevented from collapsing.

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