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1. 发明专利

JP2003166239A CONSTRUCTION METHOD OF BATTER PILE USING ROTARY PRESS-IN STEEL PIPE PILE, CONSTRUCTION DEVICE THEREFOR, AND STAGING FOR CONSTRUCTION OF BATTER PILE 审中-公开
公开(公告)号：JP2003166239A
公开(公告)日：2003-06-13
申请号：JP2001368544
申请日：2001-12-03
申请人： TOKYO ELECTRIC POWER CO , NIPPON STEEL CORP
发明人： KOMIYAMA SHIGEKI , WADA SHUJI , SAKAMOTO HIROSHI , KOMATSU AKIRA , FUKUMURA TAKAYOSHI , TOYOFUKU KOJI
IPC分类号： E02D7/22
摘要： PROBLEM TO BE SOLVED: To provide a construction method of a batter pile using a rotary press-in steel pipe pile capable of pressing-in a steel pipe pile in a slant condition to the ground while rotating, a construction device and a staging for construction of the batter pile. SOLUTION: The lower part of the lower level side of a slant staging 4 is put on a support member 8, and the upper part of the staging is made horizontal, a rotary press-in device 2 for steel pipe piles is put on the slant staging 4. Next, the rotary press-in steel pipe pile 1 is positioned in the rotary press-in device 2 and one end side of the rotary press-in device 2 is hung by a crane 6 in the state the lower part of the steel pipe pile is held by the rotary press-in device 2 and then, the support member 8 at the lower part of the slant staging 4 is removed. Then, the rotary press-in device 2 is hung down, and the rotary press-in device 2 and steel pipe pile 1 are slanted with regard to the ground 3. After that, the rotary press-in device 2 is driven to press-in the steel pipe pile 1 into the ground 3 while rotating. COPYRIGHT: (C)2003,JPO

2. 发明专利

JP2003166254A FOUNDATION STRUCTURE FOR STEEL TOWER AND CONSTRUCTION METHOD THEREOF 审中-公开
公开(公告)号：JP2003166254A
公开(公告)日：2003-06-13
申请号：JP2001368555
申请日：2001-12-03
申请人： TOKYO ELECTRIC POWER CO , NIPPON STEEL CORP
发明人： KOMIYAMA SHIGEKI , WADA SHUJI , SAKAMOTO HIROSHI , KOMATSU AKIRA , FUKUMURA TAKAYOSHI , TOYOFUKU KOJI
IPC分类号： E02D27/42 , E02D27/12
摘要： PROBLEM TO BE SOLVED: To provide a foundation structure for a steel tower having a simple structure, a large strength against bending moment acting on the steel tower by a wind or the like and bearing a large weight of the steel tower and constructing method of the steel tower foundation which can be easily constructed. SOLUTION: A rotary and press-in steel pipe pile having a excavating blade having a diameter larger than the pile diameter at the lower end is obliquely and rotatingly pressed in the ground. In the steel foundation structure fixedly connected to the lower end of the steel tower, the rotary press-in steel pipe pile obliquely erected in the ground and the steel tower leg extending upwards are constituted to become linear. COPYRIGHT: (C)2003,JPO

3. 发明专利

JP2003213687A EXCAVATING TORQUE REDUCED PRESS-IN METHOD OF ROTARY PRESS-IN STEEL PIPE PILE 审中-公开
公开(公告)号：JP2003213687A
公开(公告)日：2003-07-30
申请号：JP2002013807
申请日：2002-01-23
申请人： TOKYO ELECTRIC POWER CO , NIPPON STEEL CORP
发明人： KOMIYAMA SHIGEKI , WADA SHUJI , SAKAMOTO HIROSHI , KOMATSU AKIRA , FUKUMURA TAKAYOSHI , TOYOFUKU KOJI
IPC分类号： E02D7/22
摘要： PROBLEM TO BE SOLVED: To provide an excavating torque reduced press-in method of rotary press-in steel pipe pile capable of efficiently rotating and pressing a rotary press-in steel pipe pile at a low torque. SOLUTION: In this method, the rotary press-in steel pipe pile 1 opened in the lower end part is rotated and pressed into ground 3 in the state where it is held by a steel pipe pile rotary press-in device 2. When the torque applied to the steel pipe rotary press-in device 2 by a blocked pipe inner soil 4 penetrating into the rotary press-in steel pipe pile 1 and acting to block the steel pipe pile lower part is raised to cause the excavating torque shortage of a construction device or reach a preset set torque or more, the blocked pipe internal soil 4 in the rotary press-in steel pipe pile 1 is discharged to reduce the excavating torque of the rotary press-in steel pipe pile 1. COPYRIGHT: (C)2003,JPO

4. 发明专利

JP2004190438A Pile gripping diameter adjusting tool and construction method for rotary press-in pile 有权
公开(公告)号：JP2004190438A
公开(公告)日：2004-07-08
申请号：JP2002362453
申请日：2002-12-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUKUMURA TAKAYOSHI , TOYOFUKU KOJI , KOBAYASHI AKIRA
IPC分类号： E02D7/22
摘要： PROBLEM TO BE SOLVED: To reduce a burden of adjusting work of a chuck collar diameter; and to surely grip a pile when rotatingly pressing in a rotary press-in pile partially different in a diameter.
SOLUTION: This pile gripping diameter adjusting tool 1 is installed on a pile gripping surface of a chuck collar 4 in an all-casing excavator 3 for rotatingly pressing-in the rotary press-in pile 2, and is characterized in that a high friction material 23 is fixed to the pile gripping surface of the pile gripping diameter adjusting tool 1; an installing means is arranged on a chuck collar installing surface of the pile gripping diameter adjusting tool 1 for allowing only the movement in the vertical direction of the pile gripping diameter adjusting tool; and an upper fixing means and a lower fixing means are arranged in an upper part and a lower part of the chuck collar installing surface for fixing the pile gripping diameter adjusting tool 1 to the chuck collar 4.
COPYRIGHT: (C)2004,JPO&NCIPI

5. 发明专利

JP2003041585A Method for gripping rotary screwed pile with spiral excavating blade by chuck device for tubing device 有权
标题翻译：用于管道装置的卡盘装置用螺旋切割刀片输送旋转螺旋桨的方法
公开(公告)号：JP2003041585A
公开(公告)日：2003-02-13
申请号：JP2002175650
申请日：2002-06-17
申请人： Nippon Sharyo Seizo Kaisha Ltd , Nippon Steel Corp , 新日本製鐵株式会社 , 日本車輌製造株式会社
发明人： IWAKURA AKIRA , SAEKI EIICHIRO , FUKUMURA TAKAYOSHI
IPC分类号： E21B7/20 , E02D7/22
摘要： PROBLEM TO BE SOLVED: To efficiently erect a rotary screwed pile with a spiral excavating blade on the outer periphery of a tip part by simplifying the mounting work process of the rotary screwed pile.
SOLUTION: A chuck cylinder 9 is operated to make an inner diameter between a plurality of chuck collars 14 slightly larger than the diameter of a body 13a of the rotary screwed pile 13, and the rotary screwed pile is lifted by a crane to allow the excavating blade 13b to face a recessed groove 14a and then to pass through it so as to be positioned below the chuck collars 14. The chuck cylinder 9 is operated to grip the body of the rotary screwed pile by the inner peripheral surfaces of a plurality of chuck collars. A casing tube rotating device 5 is then rotated to erect the rotary screwed pile.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：通过简化旋转螺旋桩的安装工作过程，在尖端部的外周部，通过螺旋挖掘刀片高效地竖立旋转式螺旋桩。解决方案：操作卡盘缸9，使多个卡盘套环14之间的内径稍大于旋转螺杆桩13的主体13a的直径，旋转螺旋桩由起重机提升，以允许挖掘刀片13b面对凹槽14a，然后穿过它，以便被定位在卡盘套环14的下方。卡盘缸9被操作以通过多个卡盘的内周表面夹紧旋转螺旋桩的主体项圈然后，套管旋转装置5旋转以竖立旋转螺旋桩。

6. 发明专利

JP2000248549A TUBING DEVICE 失效
公开(公告)号：JP2000248549A
公开(公告)日：2000-09-12
申请号：JP5413399
申请日：1999-03-02
申请人： NIPPON SHARYO SEIZO KK , NIPPON STEEL CORP
发明人： IWAKURA AKIRA , SAEKI EIICHIRO , FUKUMURA TAKAYOSHI
IPC分类号： E02D13/00
摘要： PROBLEM TO BE SOLVED: To simplify an installing work process, and to efficiently perform execution work by forming a recessed groove on an inner peripheral surface of chuck collars in a tubing device for inserting the chuck collars between a rotary screwing-in pile having a spiral excavating blade on the tip part outer periphery and a chuck device. SOLUTION: This tubing device 1 supports a lifting frame 3 by a lifting cylinder 4 so as to be liftable, and a casing tube rotating device 5 is arranged in the lifting frame 3. A chuck device 8 is composed of a chuck cylinder 9, a frame 10, a ring-shaped upper frame 11 and plural wedge-shaped chuck members 12 suspended/held by the frame 11. Chuck collars 14 for gripping a rotary screwing-in pile 13 are installed in the respective chuck members 12, and a spiral excavating blade 13b is provided in a tip outer peripheral part of the rotary screwing-in pile 13. The respective chuck collars 14 form a recessed groove 14a corresponding to a spiral pitch of the excavating blade 13b on an inner peripheral surface. Thus, the rotary screwing-in pile 13 can be easily installed in the tubing device 1.

7. 发明专利

JP2004257044A INCLINATION ADJUSTABLE OBLIQUE PILE WORK EXECUTION STAND, OBLIQUE PILE WORK EXECUTION DEVICE HAVING THIS STAND, AND OBLIQUE PILE WORK EXECUTION METHOD USING ROTARY PRESS-FIT STEEL PIPE PILE 审中-公开
公开(公告)号：JP2004257044A
公开(公告)日：2004-09-16
申请号：JP2003046848
申请日：2003-02-25
申请人： NIPPON STEEL CORP
发明人： KOMATSU AKIRA , FUKUMURA TAKAYOSHI , TAKEGAWA KEIGO , TOYOFUKU KOJI
IPC分类号： E02D13/00 , E02D7/16 , E02D7/22
摘要： PROBLEM TO BE SOLVED: To provide an inclination adjustable stand, an oblique pile work execution device having this stand, and a work execution method for facilitating work execution by easily supporting a steel pipe pile rotary press-in device in a vertical state or an inclined state. SOLUTION: This inclination adjustable oblique pile work execution stand is used for rotatably pressing a rotary press-fit steel pipe pile 1 in the ground 3 in an inclined state, and the oblique pile work execution stand is used for supporting the steel pipe pile rotary press-fit device 2 so that an inclination can be adjusted. A stand body has a plurality of expandable leg parts 7 having an expandable jack at an interval in the longitudinal direction and the lateral direction, and has a steel pipe pile inserting hole in a central part of the stand body. The oblique pile work execution device is constituted by arranging the steel pipe pile rotary press-fit device 2 on the oblique pile work execution stand 5. The oblique pile work execution stand 5 is put in an inclined state by using the oblique pile work execution device, and the rotary press-fit steel pipe pile 1 is forced in the ground 3 in an inclined state while rotating the pile. COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2003090041A DOUBLE-TUBE BURIED PILE DEVICE AND EXECUTION METHOD 审中-公开
公开(公告)号：JP2003090041A
公开(公告)日：2003-03-28
申请号：JP2001281712
申请日：2001-09-17
申请人： NIPPON STEEL CORP
发明人： KOMATSU AKIRA , FUKUMURA TAKAYOSHI , SAWAISHI MASAMICHI , TOYOFUKU KOJI
IPC分类号： E02D7/22
摘要： PROBLEM TO BE SOLVED: To enable sure burial in ground without damage to a protective layer provided in a buried pile. SOLUTION: A double-tube buried pile device 1 comprises: a pile body 2 whose outer periphery has the protective layer 4 and in which a locking piece is provided protrusively; and a protective outer tube 3 in which a plurality of locking piece retainers, engaged freely with the locking pieces, are provided in the axial direction of an inner peripheral surface, and in which an interval is provided between the inner peripheral surface and the protective layer 4 of the pile body 2. The tube 3, which supports the pile body 2 through the use of the device 1, is held by a burying and jacking device 13; and the pile body 2 is buried while a locking position of the pile body 2 is adjusted in stages so that the device 1 can be extended.

9. 发明专利

JPH1162455A DRILLING BIT FOR STEEL PIPE AND CONCRETE WELL CONSTRUCTION METHOD 失效
公开(公告)号：JPH1162455A
公开(公告)日：1999-03-05
申请号：JP21360497
申请日：1997-08-07
申请人： MITSUBISHI MATERIALS CORP , NIPPON STEEL CORP , TEISEKI SAKUSEI KOGYO KK
发明人： HAYASHI TAKESHI , TOFUN KAZUO , YOSHIDA KAZUYOSHI , HASEGAWA HISASHI , SAITO TAKUYA , GUNJI SHIGERU , FUKUMURA TAKAYOSHI , KAZOE YOSHIHIRO
IPC分类号： E21B10/00 , E21B10/26 , E21B10/36
摘要： PROBLEM TO BE SOLVED: To provide a drilling bit suitable for drilling a communication hole between joint steel pipes of steel pipes having joints built in an adjacent drilling hole in a steel pipe and concrete well construction method. SOLUTION: A pilot bit 15 is provided on a tip part 12 of a bit body 11 under the rotational driving force, and a guide pit 16 provided with a blade part 28 insertable in a slit formed in a joint steel pipe of a steel pipe having joints is provided on an outer circumferential part of the bit body 11. A guide bit body 27 is a cylindrical body to be freely fit to the outer circumferential part of the bit body 11 so as to be relatively turnable to the bit body 27, and a rear end part of the guide bit body 27 can be driven by a flange part 29 provided on the outer circumferential part of the bit body 11.

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