JPWO2022270263A5 - - Google Patents
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- JPWO2022270263A5 JPWO2022270263A5 JP2022553064A JP2022553064A JPWO2022270263A5 JP WO2022270263 A5 JPWO2022270263 A5 JP WO2022270263A5 JP 2022553064 A JP2022553064 A JP 2022553064A JP 2022553064 A JP2022553064 A JP 2022553064A JP WO2022270263 A5 JPWO2022270263 A5 JP WO2022270263A5
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- JP
- Japan
- Prior art keywords
- joint pipe
- pipe
- convex portion
- outer joint
- inner joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 claims 22
- 239000010959 steel Substances 0.000 claims 22
- 238000000034 method Methods 0.000 claims 14
- 230000002093 peripheral effect Effects 0.000 claims 8
- 230000005484 gravity Effects 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 claims 4
- 238000005452 bending Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
Claims (13)
前記内側継手管および前記外側継手管のいずれか一方は、周方向に等間隔に分割され、径方向に撓み可能な分割片により構成され、
前記内側継手管の外周面に形成された凸部と、
前記外側継手管の内周面に形成され、前記内側継手管と前記外側継手管とが嵌合完了した状態で前記凸部に係合して前記凸部とともに引張荷重に抵抗する係合部と、
前記外側継手管における前記係合部よりも先端側に設けられ、前記内側継手管と前記外側継手管とを嵌合させる途中において前記凸部に当接して前記凸部と協働して前記分割片を撓ませるとともに撓ませた状態を前記係合部まで維持するガイド部と、を備えた機械式継手であって、
前記分割片は下記の条件（１）、（２）を満たす複数のグループにグループ分けされ、嵌合過程において同一グループの分割片ごとに最大撓みに至るタイミングをずらすように構成された
機械式継手。
（１）同一グループに属する分割片の前記ガイド部における最大撓みを生じさせる軸方向位置が同じであり、かつ各グループで前記軸方向位置が異なること
（２）同一グループに属する分割片は、周方向の中心を隣り合うもの同士直線で結ぶと、管の中心を通る直線、または重心が管の中心と一致する多角形を形成すること Equipped with an inner joint pipe and an outer joint pipe respectively provided at the ends of the steel pipes to be joined,
Either one of the inner joint pipe and the outer joint pipe is divided in the circumferential direction at equal intervals and composed of divided pieces that are radially flexible,
a convex portion formed on the outer peripheral surface of the inner joint pipe;
an engaging portion formed on the inner peripheral surface of the outer joint pipe, which engages with the convex portion in a state where the inner joint pipe and the outer joint pipe are completely fitted to resist a tensile load together with the convex portion; ,
Provided on the distal end side of the engaging portion of the outer joint pipe, it abuts on the convex portion in the middle of fitting the inner joint pipe and the outer joint pipe, and cooperates with the convex portion to cooperate with the splitting. a guide portion that bends the piece and maintains the bent state up to the engaging portion,
The split pieces are grouped into a plurality of groups that satisfy the following conditions (1) and (2), and are configured to shift the timing at which the split pieces of the same group reach maximum deflection during the fitting process. .
(1) The split pieces belonging to the same group have the same axial position at which the maximum deflection occurs in the guide portion, and the axial positions are different for each group. (2) The split pieces belonging to the same group Connecting the centers of directions with straight lines to form a straight line through the center of the tube or a polygon whose center of gravity coincides with the center of the tube
前記内側継手管および前記外側継手管のいずれか一方は、周方向に等間隔に分割され、径方向に撓み可能な分割片により構成され、
前記外側継手管の内周面に形成された凸部と、
前記内側継手管の外周面に形成され、前記外側継手管と前記内側継手管とが嵌合完了した状態で前記凸部に係合して前記凸部とともに引張荷重に抵抗する係合部と、
前記内側継手管における前記係合部よりも先端側に設けられ、前記外側継手管と前記内側継手管とを嵌合させる途中において前記凸部に当接して前記凸部と協働して前記分割片を撓ませるとともに撓ませた状態を前記係合部まで維持するガイド部と、を備えた機械式継手であって、
前記分割片は下記の条件（１）、（２）を満たす複数のグループにグループ分けされ、嵌合過程において同一グループの分割片ごとに最大撓みに至るタイミングをずらすように構成された
機械式継手。
（１）同一グループに属する分割片の前記ガイド部における最大撓みを生じさせる軸方向位置が同じであり、かつ各グループで前記軸方向位置が異なること
（２）同一グループに属する分割片は、周方向の中心を隣り合うもの同士直線で結ぶと、管の中心を通る直線、または重心が管の中心と一致する多角形を形成すること Equipped with an inner joint pipe and an outer joint pipe respectively provided at the ends of the steel pipes to be joined,
Either one of the inner joint pipe and the outer joint pipe is divided in the circumferential direction at equal intervals and composed of divided pieces that are radially flexible,
a convex portion formed on the inner peripheral surface of the outer joint pipe;
an engaging portion that is formed on the outer peripheral surface of the inner joint pipe and that engages with the convex portion in a state where the outer joint pipe and the inner joint pipe are completely fitted to resist a tensile load together with the convex portion;
Provided on the distal end side of the engaging portion of the inner joint pipe, the splitting member cooperates with the convex portion by contacting the convex portion in the middle of fitting the outer joint pipe and the inner joint pipe. a guide portion that bends the piece and maintains the bent state up to the engaging portion,
The split pieces are grouped into a plurality of groups that satisfy the following conditions (1) and (2), and are configured to shift the timing at which the split pieces of the same group reach maximum deflection during the fitting process. .
(1) The split pieces belonging to the same group have the same axial position at which the maximum deflection occurs in the guide portion, and the axial positions are different for each group. (2) The split pieces belonging to the same group Connecting the centers of directions with straight lines to form a straight line through the center of the tube or a polygon whose center of gravity coincides with the center of the tube
請求項１または２に記載の機械式継手。 3. A mechanical joint according to claim 1 or 2, wherein the segments in one group do not begin to flex radially before the segment in another group reaches its maximum deflection.
継手付き鋼管。 A joint-equipped steel pipe provided with the inner joint pipe and/or the outer joint pipe in the mechanical joint according to claim 1 or 2 at both ends or one end.
請求項１または２に記載の機械式継手における外側継手管および／または内側継手管を、接合対象となる鋼管の端部にそれぞれ取り付ける
継手付き鋼管の製造方法。 A method for manufacturing a steel pipe with a joint according to claim 4,
A method of manufacturing a steel pipe with a joint, comprising attaching the outer joint pipe and/or the inner joint pipe of the mechanical joint according to claim 1 or 2 to the ends of steel pipes to be joined.
前記機械式継手によって接合された複数の鋼管と、を備える
構造体。 a mechanical joint according to claim 1 or 2 ;
and a plurality of steel pipes joined by the mechanical joints.
前記外側継手管が端部に取り付けられた鋼管と、前記内側継手管が端部に取り付けられた鋼管とのいずれか一方を地中に立設した状態で、他方の鋼管を前記一方の鋼管の上に配置して、前記内側継手管と前記外側継手管とを嵌合させて接合する
構造体の施工方法。 A method of constructing a structure according to claim 6, comprising:
One of the steel pipe with the outer joint pipe attached to the end and the steel pipe with the inner joint pipe attached to the end is erected in the ground, and the other steel pipe is attached to the one steel pipe. A method of constructing a structure in which the inner joint pipe and the outer joint pipe are fitted and joined to each other.
前記内側継手管および前記外側継手管のいずれか一方は、周方向に等間隔に分割され、径方向に撓み可能な分割片により構成され、
前記内側継手管の外周面に形成された凸部と、
前記外側継手管の内周面に形成され、前記内側継手管と前記外側継手管とが嵌合完了した状態で前記凸部に係合して前記凸部とともに引張荷重に抵抗する係合部と、
前記外側継手管における前記係合部よりも先端側に設けられ、前記内側継手管と前記外側継手管とを嵌合させる途中において前記凸部に当接して前記凸部と協働して前記分割片を撓ませるとともに撓ませた状態を前記係合部まで維持するガイド部と、を備えた機械式継手を設計する機械式継手の設計方法であって、
前記分割片を下記の条件（１）、（２）を満たす複数のグループにグループ分けし、嵌合過程において同一グループの分割片ごとに最大撓みに至るタイミングをずらすとともに分割片の撓みによって生ずる水平方向の応力が相殺されるようにする
機械式継手の設計方法。
（１）同一グループに属する分割片の前記ガイド部における最大撓みを生じさせる軸方向位置が同じであり、かつ各グループで前記軸方向位置が異なること
（２）同一グループに属する分割片は、周方向の中心を隣り合うもの同士直線で結ぶと、管の中心を通る直線、または重心が管の中心と一致する多角形を形成すること Equipped with an inner joint pipe and an outer joint pipe respectively provided at the ends of the steel pipes to be joined,
Either one of the inner joint pipe and the outer joint pipe is divided in the circumferential direction at equal intervals and composed of divided pieces that are radially flexible,
a convex portion formed on the outer peripheral surface of the inner joint pipe;
an engaging portion formed on the inner peripheral surface of the outer joint pipe, which engages with the convex portion in a state where the inner joint pipe and the outer joint pipe are completely fitted to resist a tensile load together with the convex portion; ,
Provided on the distal end side of the engaging portion of the outer joint pipe, it abuts on the convex portion in the middle of fitting the inner joint pipe and the outer joint pipe, and cooperates with the convex portion to cooperate with the splitting. A mechanical joint design method for designing a mechanical joint comprising a guide part that bends a piece and maintains the bent state up to the engaging part,
The split pieces are grouped into a plurality of groups that satisfy the following conditions (1) and (2), and in the fitting process, the timing at which the split pieces in the same group reach maximum deflection is shifted, and the horizontal bending caused by the deflection of the split pieces is shifted. A method of designing mechanical joints to ensure that directional stresses are canceled.
(1) The split pieces belonging to the same group have the same axial position at which the maximum deflection occurs in the guide portion, and the axial positions are different for each group. (2) The split pieces belonging to the same group Connecting the centers of directions with straight lines to form a straight line through the center of the tube or a polygon whose center of gravity coincides with the center of the tube
前記内側継手管および前記外側継手管のいずれか一方は、周方向に等間隔に分割され、径方向に撓み可能な分割片により構成され、
前記外側継手管の内周面に形成された凸部と、
前記内側継手管の外周面に形成され、前記外側継手管と前記内側継手管とが嵌合完了した状態で前記凸部に係合して前記凸部とともに引張荷重に抵抗する係合部と、
前記内側継手管における前記係合部よりも先端側に設けられ、前記外側継手管と前記内側継手管とを嵌合させる途中において前記凸部に当接して前記凸部と協働して前記分割片を撓ませるとともに撓ませた状態を前記係合部まで維持するガイド部と、を備えた機械式継手を設計する機械式継手の設計方法であって、
前記分割片を下記の条件（１）、（２）を満たす複数のグループにグループ分けし、嵌合過程において同一グループの分割片ごとに最大撓みに至るタイミングをずらすとともに分割片の撓みによって生ずる水平方向の応力が相殺されるようにする
機械式継手の設計方法。
（１）同一グループに属する分割片の前記ガイド部における最大撓みを生じさせる軸方向位置が同じであり、かつ各グループで前記軸方向位置が異なること
（２）同一グループに属する分割片は、周方向の中心を隣り合うもの同士直線で結ぶと、管の中心を通る直線、または重心が管の中心と一致する多角形を形成すること Equipped with an inner joint pipe and an outer joint pipe respectively provided at the ends of the steel pipes to be joined,
Either one of the inner joint pipe and the outer joint pipe is divided in the circumferential direction at equal intervals and composed of divided pieces that are radially flexible,
a convex portion formed on the inner peripheral surface of the outer joint pipe;
an engaging portion that is formed on the outer peripheral surface of the inner joint pipe and that engages with the convex portion in a state where the outer joint pipe and the inner joint pipe are completely fitted to resist a tensile load together with the convex portion;
Provided on the distal end side of the engaging portion of the inner joint pipe, the splitting member cooperates with the convex portion by contacting the convex portion in the middle of fitting the outer joint pipe and the inner joint pipe. A mechanical joint design method for designing a mechanical joint comprising a guide part that bends a piece and maintains the bent state up to the engaging part,
The split pieces are grouped into a plurality of groups that satisfy the following conditions (1) and (2), and in the fitting process, the timing at which the split pieces in the same group reach maximum deflection is shifted, and the horizontal bending caused by the deflection of the split pieces is shifted. A method of designing mechanical joints to ensure that directional stresses are canceled.
(1) The split pieces belonging to the same group have the same axial position at which the maximum deflection occurs in the guide portion, and the axial positions are different for each group. (2) The split pieces belonging to the same group Connecting the centers of directions with straight lines to form a straight line through the center of the tube or a polygon whose center of gravity coincides with the center of the tube
継手付き鋼管。 Steel pipe with fittings.
請求項３に記載の機械式継手における外側継手管および／または内側継手管を、接合対象となる鋼管の端部にそれぞれ取り付ける The outer joint pipe and/or the inner joint pipe in the mechanical joint according to claim 3 are attached to the ends of the steel pipes to be joined.
継手付き鋼管の製造方法。 A method for manufacturing a steel pipe with fittings.
前記機械式継手によって接合された複数の鋼管と、を備える and a plurality of steel pipes joined by the mechanical joint
構造体。 Structure.
前記外側継手管が端部に取り付けられた鋼管と、前記内側継手管が端部に取り付けられた鋼管とのいずれか一方を地中に立設した状態で、他方の鋼管を前記一方の鋼管の上に配置して、前記内側継手管と前記外側継手管とを嵌合させて接合する One of the steel pipe with the outer joint pipe attached to the end and the steel pipe with the inner joint pipe attached to the end is erected in the ground, and the other steel pipe is attached to the one steel pipe. The inner joint pipe and the outer joint pipe are fitted and joined together.
構造体の施工方法。 Construction method of the structure.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021104595 | 2021-06-24 | ||
| JP2021104595 | 2021-06-24 | ||
| PCT/JP2022/022435 WO2022270263A1 (en) | 2021-06-24 | 2022-06-02 | Mechanical joint, steel pipe with joint, method of manufacturing steel pipe with joint, structure, method of constructing structure, and method of designing mechanical joint |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP7180826B1 JP7180826B1 (en) | 2022-11-30 |
| JPWO2022270263A1 JPWO2022270263A1 (en) | 2022-12-29 |
| JPWO2022270263A5 true JPWO2022270263A5 (en) | 2023-05-31 |
Family
ID=84271367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022553064A Active JP7180826B1 (en) | 2021-06-24 | 2022-06-02 | Mechanical joint, steel pipe with joint, manufacturing method of steel pipe with joint, structure, construction method of structure, design method of mechanical joint |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7180826B1 (en) |
| KR (1) | KR20230174755A (en) |
| CN (1) | CN117500979A (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS544411A (en) * | 1977-06-13 | 1979-01-13 | Shinto Kk | Device of connecting pile |
| JPS5817789Y2 (en) * | 1980-09-24 | 1983-04-11 | 住友金属工業株式会社 | Pile joining equipment |
| US5988705A (en) * | 1993-05-24 | 1999-11-23 | Pilot Industries, Inc. | Quick connect coupling |
| US7097211B2 (en) * | 2001-11-09 | 2006-08-29 | Adams Robert M | Pipe coupling system having an anti-reversing locking ring |
| JP4000930B2 (en) * | 2002-07-08 | 2007-10-31 | Ｊｆｅスチール株式会社 | Steel pipe joint structure |
| JP5760929B2 (en) | 2011-10-07 | 2015-08-12 | トヨタ自動車株式会社 | Airbag device |
-
2022
- 2022-06-02 CN CN202280043183.8A patent/CN117500979A/en active Pending
- 2022-06-02 JP JP2022553064A patent/JP7180826B1/en active Active
- 2022-06-02 KR KR1020237040100A patent/KR20230174755A/en unknown
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