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1. 发明专利

JP2004293035A Joint structure of steel pipe 审中-公开
公开(公告)号：JP2004293035A
公开(公告)日：2004-10-21
申请号：JP2003082666
申请日：2003-03-25
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： HORIKAWA SHINJI , MORI GEN , TAKANO KIMIHISA , UEDA TOMOHIRO , TOYOHARA AKITOSHI , TATSUMI YUUICHI
IPC分类号： E02D5/24 , F16B7/04 , F16B7/18
摘要： PROBLEM TO BE SOLVED: To provide a joint structure of steel pipes capable of facilitating the construction with a simple structure at a low cost and having high reliability corresponding also to large tensile load.
SOLUTION: The joint structure of the steel pipes includes an outside joint pipe 1 having engaging sections 5a, 5b and 5c with a plurality of steps in the direction of the axis of the inner circumferential surface connected to one steel pipe 31 and an inside joint pipe 11 having engaged projection sections 16a, 16b and 16c with a plurality of steps having a diameter reducing function and engaged with the engaging sections 5a, 5b and 5c of the outside joint pipe 1 in the direction of the axis of the outer circumferential surface connected to the other pipe 32, and the inside joint pipe 11 is pressed inside of the outside joint pipe 11 to respectively engage the engaged projection sections 16a, 16b and 16c with the engaging sections 5a, 5b and 5c of the outside joint pipe 1.
COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2004293231A Connection structure of steel pipe and its connecting method 审中-公开
公开(公告)号：JP2004293231A
公开(公告)日：2004-10-21
申请号：JP2003089824
申请日：2003-03-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TOYOHARA AKITOSHI , TATSUMI YUUICHI , WAKIYA HIROSHI , OKI TAKESHI , TAKANO KIMIHISA , HORIKAWA SHINJI
IPC分类号： E02D5/24 , F16B7/04 , F16B7/20
摘要： PROBLEM TO BE SOLVED: To provide a connection structure of a steel pipe and its connecting method capable of simply connecting steel pipes to each other even in the case of the steel pipe with a large caliber, at the same time, sufficiently enhancing resistance force against pulling load in a connecting section and reducing an amount of joint material to be used.
SOLUTION: In the connection structure for connecting two steel pipes (1 and 2) through joints (3 and 4), the joints (3 and 4) are constituted of a female joint (3) provided to the end section of one steel pipe (1) and a male joint (4) provided to the end section of the other steel pipe (2), and the female joint (3) is fitted to the male joint (4). An inward ring groove (6) making a circuit in the circumferential direction is formed on the inner circumferential surface of the female joint (3), at the same time, an outward ring groove (7) making a circuit in the circumferential direction is formed on the outer circumferential surface of the male joint (4) so as to oppose it to the inward ring groove (6), and a spring steel-made engaging ring (5) having an abutment joint is put on over the opposite inward ring groove (6) and the outward ring groove (7), and the steel pipes (1 and 2) are connected to each other in a state to prevent them from coming out in the direction of the length of the steel pipe.
COPYRIGHT: (C)2005,JPO&NCIPI

3. 发明专利

JP2007170176A Joint structure of steel pipe 有权
标题翻译：钢管接头结构
公开(公告)号：JP2007170176A
公开(公告)日：2007-07-05
申请号：JP2007067367
申请日：2007-03-15
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TAKANO KIMIHISA , HORIKAWA SHINJI , TOYOHARA AKITOSHI , TATSUMI YUUICHI
IPC分类号： E02D5/24 , F16B7/18
摘要： PROBLEM TO BE SOLVED: To provide a joint structure of a steel pipe with excellent transportability and construction efficiency by eliminating a split cylindrical joint formed separately from a steel pipe pile which is required in conventional joint structures.
SOLUTION: In this joint structure of the steel pipe, an outer joint pipe 3 and an inner joint pipe 33 are fitted to the joint ends of the steel pipes 1, 31 to be joined, and the outer joint pipe 3 is inserted onto the inner joint pipe 33 in the pipe axial direction to join these steel pipes to each other. The joint structure comprises slits formed at one side of the inner joint pipe 33 and dividing it into multiple parts in the circumferential direction, projecting parts 35 formed on the outer peripheral surface of the inner joint pipe 33, a side wall 7a at a recessed part 7 formed in the inner peripheral surface of the outer joint pipe 3 and resisting a tensile load together with projecting parts 35 by engaging with the projecting parts 35 while the inner joint pipe 33 is inserted into the outer joint pipe 3, and a contact part resisting a compression load while the inner joint pipe 33 is inserted into the outer joint pipe 3.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过消除与常规接头结构中所需的钢管桩分开形成的开口圆柱形接头，从而提供具有优良的输送性和施工效率的钢管的接头结构。
解决方案：在该钢管的接合结构中，将外接头管3和内接合管33装配到待接合的钢管1,31的接头端部，并将外接头管3插入在管轴方向上的内侧接头管33上，将这些钢管彼此接合。接头结构包括形成在内侧接头管33的一侧的狭缝，并在圆周方向上分成多个部分，形成在内侧接头管33的外周面的突出部35，凹部的侧壁7a 7，其形成在外侧接头管3的内周面上，同时通过与突出部35接合而与突出部35抵抗拉伸载荷，同时内侧接头管33插入到外侧接头管3内，接触部抵抗内侧接头管33插入到外侧接头管3内时的压缩载荷。（C）2007，JPO＆INPIT

4. 发明专利

JP2004270273A Joining method of steel pipe with mechanical joint and steel pipe with mechanical joint used in it 有权
标题翻译：机械接头和钢管接头钢管接头方法
公开(公告)号：JP2004270273A
公开(公告)日：2004-09-30
申请号：JP2003061880
申请日：2003-03-07
申请人： Jfe Engineering Kk , Jfe Steel Kk , Jfeエンジニアリング株式会社 , Jfeスチール株式会社
发明人： TATSUMI YUUICHI , TOYOHARA AKITOSHI , TAKANO KIMIHISA , HORIKAWA SHINJI
IPC分类号： E02D5/24 , E02D5/28
摘要： PROBLEM TO BE SOLVED: To provide a joining method of a steel pipe with a mechanical joint, reducing the weight of a tool and making it compact as compared with a joining tool such as a chain wrench, surely joining the upper and lower steel pipes, and surely joining the upper and lower steel pipes even if a space at the periphery of the steel pipe is narrow, and the steel pipe with the mechanical joint used in it.
SOLUTION: A lower steel pipe 1 having a first mechanical joint 2 at the upper end and an upper steel pipe 3 having a second mechanical joint 4 fitted to the first mechanical joint 2 by rotation at the lower end are vertically joined to each other. One end of a towing line 7 is wound round the upper steel pipe 3, and the other end of the towing line is pulled by a towing tool 5 to apply a turning force to the upper steel pipe 3, thereby fitting the second mechanical joint 4 to the first mechanical joint 2.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有机械接头的钢管的接合方法，与诸如链条扳手的接合工具相比，减小了工具的重量并使其紧凑，可靠地连接上下钢管，即使在钢管周边的空间较窄的情况下，也可以连接上下钢管，使用机械接头的钢管。解决方案：在上端具有第一机械接头2的下钢管1和具有通过在下端旋转而装配到第一机械接头2的第二机械接头4的上钢管3垂直接合到每个其他。牵引线7的一端缠绕在上钢管3上，牵引线的另一端由牵引工具5拉动，向上钢管3施加转动力，从而将第二机械接头4 到第一个机械接头2.版权所有（C）2004，JPO＆NCIPI

5. 发明专利

JP2004238990A Joint structure of steel pipe, and method of joining steel pipes 有权
公开(公告)号：JP2004238990A
公开(公告)日：2004-08-26
申请号：JP2003031038
申请日：2003-02-07
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： UEDA TOMOHIRO , TAKANO KIMIHISA , MORI GEN , HORIKAWA SHINJI , TOYOHARA AKITOSHI , TATSUMI YUUICHI
IPC分类号： E02D5/24 , F16B7/18
摘要： PROBLEM TO BE SOLVED: To provide the joint structure of a steel pipe and a method of joining the steel pipes, easy in work-execution with simple structure and reducible in costs and moreover high in reliability. SOLUTION: The joint structure of the steel pipe has an outer joint pipe 1 joined to one steel pipe 41 to be joined, and an inner joint pipe 42 joined to the other steel pipe 11. The outer joint pipe 1 is enlarged in diameter, or the inner joint pipe 11 is reduced in diameter, and the inner joint pipe 11 is inserted in the outer joint pipe 1 and returned into the original state. An engaging protrusion part 16 of the inner joint pipe 11 is locked to a locking part 2 of the outer joint pipe 1. COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2004293230A Connection structure of steel pipe and its connecting method 审中-公开
标题翻译：钢管连接结构及其连接方法
公开(公告)号：JP2004293230A
公开(公告)日：2004-10-21
申请号：JP2003089811
申请日：2003-03-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TOYOHARA AKITOSHI , TATSUMI YUUICHI , WAKIYA HIROSHI , OKI TAKESHI , TAKANO KIMIHISA , HORIKAWA SHINJI
IPC分类号： E02D5/24 , F16B7/18
摘要： PROBLEM TO BE SOLVED: To provide a connection structure of a steel pipe and its connecting method capable of simply connecting steel pipes to each other even in the case of the steel pipe with a large caliber, at the same time, sufficiently enhancing resistance force against pulling load and also reducing an amount of joint material to be used.
SOLUTION: In the connection structure of the steel pipe for connecting two steel pipes to each other through a joint, a male joint is provided to the end section of one steel pipe between two steel pipes, a female joint formed by enabling it to fit with the male joint is provided to the end section of the other steel pipe, and holding mechanisms capable of holding the male joint consisting of a chuck member and a locking bolt are provided to two or more positions in the circumferential direction of the female joint by making the chuck member as the inside in the female joint.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使在具有大口径的钢管的情况下，也可以提供一种能够简单地将钢管彼此连接的钢管的连接结构及其连接方法，同时充分提高抵抗牵引负荷的阻力也减少了使用的接头材料的数量。
解决方案：在通过接头将两个钢管彼此连接的钢管的连接结构中，在两个钢管之间的一个钢管的端部设置有阳接头，通过使其能够形成的母接头在其他钢管的端部设置有配合阳接头的保持机构，并且能够保持由卡盘构件和锁定螺栓构成的阳接头的保持机构设置在女性的圆周方向上的两个以上位置通过将卡盘构件作为内侧在该接头中进行接合。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004270204A Joint structure of steel pipe and joining method of steel pipe 审中-公开
公开(公告)号：JP2004270204A
公开(公告)日：2004-09-30
申请号：JP2003059572
申请日：2003-03-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： HORIKAWA SHINJI , MORI GEN , TAKANO KIMIHISA , UEDA TOMOHIRO , TOYOHARA AKITOSHI , TATSUMI YUUICHI
IPC分类号： E02D5/24 , F16B7/04
摘要： PROBLEM TO BE SOLVED: To provide a joint structure of a steel pipe capable of facilitating execution by a simple structure and reducing a cost to have high reliability and to provide a joining method of the steel pipe.
SOLUTION: The joint structure of the steel pipe includes an outside joint pipe 1 having a locking section 5 on the inside circumferential surface and connected to one steel pipe 31 and an engaged projection 16 locking with the locking section 5 of the outside joint pipe on the outside circumferential surface, an inside joint pipe 11 connected to the other steel pipe 32, a widening diameter function is provided to the outside joint pipe 1, or a contracting diameter function is provided to the inside joint pipe 11 to press the inside joint pipe 11 into the outside joint pipe 1, the diameter of the outside joint pipe is contracted by a contracting diameter means, or the diameter of the inside joint pipe 11 is widened by a widening diameter means to lock the engaged projection 16 with the locking section 5 of the outside joint pipe 1.
COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2004225393A Joining structure and joining method for steel pipe 有权
标题翻译：钢管接合结构与加工方法
公开(公告)号：JP2004225393A
公开(公告)日：2004-08-12
申请号：JP2003015114
申请日：2003-01-23
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TAKANO KIMIHISA , HORIKAWA SHINJI , TOYOHARA AKITOSHI , TATSUMI YUUICHI
IPC分类号： E02D5/24
摘要： PROBLEM TO BE SOLVED: To provide structure and a joining method for a steel pipe for a steel pipe pile having small penetration resistance when driving the pile and having large joining strength to facilitate connecting construction at a site.
SOLUTION: The joining structure has outer joint pipes 10a, 10b having outer diameters almost equal to the outer diameters of the steel pipes 1, 2, provided at their inner peripheral surfaces stepwise with annular rugged parts 11a, 11b reduced in inner diameter toward the tip parts, and joined to the end parts of the steel pipes 1, 2 respectively; and a plurality of circular arc members 20 disposed over the inner peripheral surfaces of the outer joint pipes 10a, 10b when the tip parts of both outer joint pipes abut each other, and provided at their outer peripheral surfaces with rugged parts 21 having large diameters at the axial center parts corresponding to the rugged parts 11a, 11b of the outer joint pipes 10a, 10b and reduced in diameter toward both end parts. The circular arc members 20 are disposed at the inner peripheral parts of the outer joint pipes 10a, 10b so that the rugged parts 11a, 11b, 21 are fitted to each other to connect both, thus joining two steel pipes 1, 2.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供驱动桩时具有小的穿透阻力的钢管桩的结构和接合方法，并且具有大的接合强度以便于在现场的连接结构。解决方案：接合结构具有外径几乎等于钢管1,2的外径的外接头管10a，10b，它们的内周面分别设置有内径减小的环形凹凸部11a，11b 分别与钢管1,2的端部接合，以及多个圆弧状构件20，其在两个外侧接合管的前端部彼此抵接的同时在外侧接头管10a，10b的内周面上配置，并且在其外周面设置有大直径的粗糙部21 轴向中心部分对应于外接头管10a，10b的凹凸部分11a，11b，并朝向两端部分减小直径。圆弧构件20设置在外侧接头管10a，10b的内周部，使得凹凸部11a，11b，21彼此嵌合以连接两者，从而接合两个钢管1,2。 >版权所有（C）2004，JPO＆NCIPI

9. 发明专利

JP2004036329A Joint structure of steel pipe 有权
公开(公告)号：JP2004036329A
公开(公告)日：2004-02-05
申请号：JP2002198116
申请日：2002-07-08
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TAKANO KIMIHISA , HORIKAWA SHINJI , TOYOHARA AKITOSHI , TATSUMI YUUICHI
IPC分类号： E02D5/24
摘要： PROBLEM TO BE SOLVED: To obtain a joint structure of steel pipes excellent in conveyance efficiency and workability without necessity of any divided cylindrical joint separated from a steel pipe pile which is conventionally required.
SOLUTION: The joint structure of the steel pipes having an outside joint pipe 3 and an inside joint pipe 33 respectively provided to the joint ends of the steel pipes 1 and 31 to be joined and connecting the steel pipes by inserting the outside joint pipe 3 and the inside joint pipe 33 each other in the direction of the pipe axis includes slits divided into the plural number in the circumferential direction and formed in one side of the inside joint pipe 33, a projection 35 formed on the outer circumferential surface of the inside joint pipe 33, a side wall 7a of a recessed section 7 formed on the inner circumferential surface of the outside joint pipe 3 and resisting against a tensile load together with the projection 35 by bing engaged with the projection 35 with the inside joint pipe 33 inserted in the outside joint pipe 3 and an abutment section resisting against a compressing load with the inside joint pipe 33 inserted in the outside joint pipe 3.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2003301457A Joint structure and pile joining method for steel pipe pile 审中-公开
标题翻译：钢管桩联合结构和桩接合方法
公开(公告)号：JP2003301457A
公开(公告)日：2003-10-24
申请号：JP2002106041
申请日：2002-04-09
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MIZUTANI SHINGO , TAKANO KIMIHISA , TOYOHARA AKITOSHI , TATSUMI YUUICHI
IPC分类号： E02D5/24
摘要： PROBLEM TO BE SOLVED: To obtain a joint structure and a pile joining method for a steel pipe pile, which can reduce resistance in the penetration of the pile.
SOLUTION: This joint structure is equipped with: cylindrical outside joint pipes 35 and 37 which are joined to ends of the two steel pipe piles 31 and 33 to be joined together, respectively, and in which uneven parts 35a and 37a are provided in inner peripheral surfaces; and an arc-shaped member 39 which can be arranged on the inner peripheral surfaces of the joint pipes 35 and 37 over both of the joint pipes 35 and 37 and has uneven parts 39a capable of being fitted into the uneven parts 35a and 37a of the joint pipes 35 and 37. The member 39 is arranged in inner peripheral parts of the joint pipes 35 and 37 in such a manner that the uneven parts 35a, 37a and 39a are fitted into one another, and the joint pipes 35 and 37 are joined together, so that the two piles 31 and 33 can be joined together.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了获得可以降低桩的穿透性的钢管桩的接头结构和桩接合方法。解决方案：该接头结构配备有：分别连接到两个钢管桩31和33的端部的圆筒形外侧接头管35和37，以分别连接在一起，并且设置有不平坦部35a和37a 在内周面; 以及可以在两个接合管35和37上布置在接合管35和37的内周面上的弧形部件39，并且具有能够装配到接头管35和37的不平坦部分35a和37a中的不平坦部分39a 接合管35和37.构件39以不平坦部35a，37a和39a彼此嵌合的方式设置在接合管35和37的内周部分中，并且接合管35和37接合一起，使得两个堆31和33可以连接在一起。版权所有（C）2004，JPO

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