WO2010087036A1 - Structure de raccord de tube et procédé pour raccorder une structure de raccord de tube - Google Patents

Structure de raccord de tube et procédé pour raccorder une structure de raccord de tube Download PDF

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Publication number
WO2010087036A1
WO2010087036A1 PCT/JP2009/055254 JP2009055254W WO2010087036A1 WO 2010087036 A1 WO2010087036 A1 WO 2010087036A1 JP 2009055254 W JP2009055254 W JP 2009055254W WO 2010087036 A1 WO2010087036 A1 WO 2010087036A1
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WO
WIPO (PCT)
Prior art keywords
cylinder
bolt
bolts
holes
joint
Prior art date
Application number
PCT/JP2009/055254
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English (en)
Japanese (ja)
Inventor
茂 平垣
Original Assignee
Ｂｅｓｔ・Ｎａｔｕｒｅ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ｂｅｓｔ・Ｎａｔｕｒｅ株式会社 filed Critical Ｂｅｓｔ・Ｎａｔｕｒｅ株式会社
Priority to JP2009205720A priority Critical patent/JP5202483B2/ja
Publication of WO2010087036A1 publication Critical patent/WO2010087036A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes

Definitions

  • the present invention relates to a connecting structure for a tubular body and a method for connecting the connecting structure for a tubular body, and more particularly, to a connecting structure for a tubular body by mechanical joining without welding and a method for connecting the connecting structure for a tubular body. .
  • an object of the present invention is to provide a cylindrical connecting structure by mechanical joining not based on welding and a connecting method of the cylindrical connecting structure.
  • the cylindrical connecting structure includes a first cylindrical body having a plurality of bolt through holes, a second cylindrical body having a plurality of bolt through holes, the second cylindrical body, and the first cylindrical body. A portion located on the outer surface of one cylindrical body, covering a portion where the end surface of the first cylindrical body and the end surface of the second cylindrical body are in contact with each other; and a plurality of bolt through holes.
  • a plurality of bolt through holes in the inner joint, a plurality of bolt through holes in the first cylindrical body, and a plurality of bolt through holes in the outer joint A plurality of first cylindrical bolts projecting outwardly and a plurality of first cylindrical bolts positioned on the outside of the outer joint and screwed into threaded portions of the plurality of first cylindrical bolts, respectively.
  • a plurality of bolt through holes of the inner joint each of which has a nut for the cylinder and a shaft portion having a screw portion extending integrally from the head portion and each head portion being located in the second cylinder body.
  • a plurality of second cylindrical bolts projecting outwardly through the plurality of bolt through holes of the plurality of second cylinders and the plurality of bolt through holes of the outer joint, and positioned outside the outer joint.
  • a plurality of second cylinder nuts that are respectively screwed into threaded portions of the plurality of second cylinder bolts, and the first cylinder and the outer joint are formed by the inner joint and the outer joint.
  • the second cylinder is clamped, and the clamped state is changed to the plurality of first cylinder bolts, the plurality of cylinders. Is to hold the first cylindrical body nut, said plurality of second cylindrical body for bolts and the plurality of second cylindrical body nut.
  • cylindrical connection structure according to claim 2 is the cylindrical connection structure according to claim 1, wherein the plurality of second cylindrical structures are arranged at the tips of the threaded portions of the plurality of second cylindrical bolts. A locked portion that is locked to a locking portion of a tool that moves the threaded portion of the cylinder bolt to the outside is formed.
  • the cylindrical connection structure according to claim 3 is the cylindrical connection structure according to claim 1 or 2, wherein at least the second cylindrical body among the plurality of bolt through holes of the inner joint.
  • a plurality of bolt through-holes at positions corresponding to the above are formed with internal threads that are screwed into the second cylinder bolt, and the material of the second cylinder bolt is harder than the material of the inner joint It is.
  • a connecting method of a connecting structure of cylindrical bodies wherein the first cylindrical body and the second cylindrical body that are in contact with each other are sandwiched between an inner joint and an outer joint,
  • the first cylinder body is held by a plurality of first cylinder bolts, a plurality of first cylinder nuts, a plurality of second cylinder bolts and a plurality of second cylinder nuts.
  • the second cylinder the first cylinder has a plurality of bolt through holes
  • the second cylinder has a plurality of bolt through holes
  • the outer cylinder The joint is located on the outer surface of the second cylinder and the first cylinder, and the portion where the end surface of the first cylinder and the end surface of the second cylinder are in contact with each other is substantially the whole.
  • the inner joint is located on the inner surface of the second cylinder and the first cylinder, and the end surface of the first cylinder and the First A portion that is in contact with the end face of the cylindrical body is covered over substantially the whole, and has a plurality of bolt through holes, and the heads of the plurality of first cylindrical bolts are respectively connected to the first head.
  • the plurality of first cylindrical nuts are protruded outward through the plurality of bolt through holes of the joint, and the plurality of first cylindrical nuts are positioned outside the outer joint, and the thread portions of the plurality of first cylindrical bolts
  • the plurality of bolt passages that protrude outward through the through holes and the bolt through holes of the outer joint, and that are at least in positions corresponding to the second cylindrical body among the plurality of bolt through holes of the inner joint.
  • a female screw that is screwed into the second cylinder bolt is formed in the hole, and the plurality of second cylinder nuts are located outside the outer joint, and the plurality of second cylinders
  • the first cylindrical body is clamped by the inner joint and the outer joint, and the clamped state is changed to the first A cylindrical bolt and the first cylindrical nut that are screwed to the first cylindrical bolt are held, and each of the plurality of second cylindrical bolts is screwed to the female screw.
  • the ends of the plurality of second cylinder bolts do not protrude from the inner joint.
  • the end surface of the second cylindrical body is brought into contact with the end surface of the first cylindrical body.
  • the tips of the plurality of second cylindrical bolts are projected from the outer joint through the plurality of bolt through holes of the second cylindrical body and the plurality of bolt through holes of the outer joint, After the two cylinder bolts are screwed into the plurality of second cylinder nuts, tightened, and tightened, the plurality of second cylinder bolts and the plurality of second cylinder nuts are tightened. The tightening of the plurality of first cylinder bolts and the plurality of first cylinder nuts are each finally tightened.
  • the first cylindrical body and the second cylindrical body that are in contact with each other between the end surfaces are sandwiched between the inner joint and the outer joint, and this sandwiched state is set.
  • the first cylinder body is held by a plurality of first cylinder bolts, a plurality of first cylinder nuts, a plurality of second cylinder bolts and a plurality of second cylinder nuts.
  • the second cylindrical body wherein the first cylindrical body has a plurality of bolt through holes, the second cylindrical body has a plurality of bolt through holes,
  • the outer joint is located on the outer surface of the second cylindrical body and the first cylindrical body, and a portion where the end surface of the first cylindrical body and the end surface of the second cylindrical body abut on each other is substantially entirely.
  • the inner joint is located on the inner surface of the second cylindrical body and the first cylindrical body, and the end surface of the first cylindrical body is provided with a plurality of bolt through holes. Said A portion that is in contact with the end surface of the second cylindrical body, covers a substantially entire area, and has a plurality of bolt through holes, and the respective heads of the plurality of first cylindrical bolts are disposed on the first portion.
  • a shaft portion having a thread portion integrally extending from the head portion, and a plurality of bolt through holes of the inner joint, a plurality of bolt through holes of the plurality of first cylinder bodies, and the The plurality of first cylinder nuts are protruded outward through a plurality of bolt through holes of the outer joint, and the plurality of first cylinder nuts are positioned outside the outer joint, and the screws of the plurality of first cylinder bolts
  • the plurality of bolt through holes of the inner joint and the plurality of second cylindrical bodies The plurality of bolts projecting outward through the bolt through holes and the plurality of bolt through holes of the outer joint, and at least the plurality of bolt through holes of the inner joint at positions corresponding to the second cylindrical body.
  • a plurality of second cylindrical nuts are located outside the outer joint, and the second cylindrical nuts are formed in the bolt through holes. Screwed into the threaded portion of the cylinder bolt, and the first and second cylinders are clamped by the inner joint and the outer joint, and this clamping state is Connection structure of cylinders held by a plurality of first cylinder bolts, the plurality of first cylinder nuts, the plurality of second cylinder bolts, and the plurality of second cylinder nuts.
  • the connecting method of the cylindrical connecting structure according to claim 6 is the connecting method of the cylindrical connecting structure according to claim 4 or 5, wherein the threaded portions of the plurality of second cylindrical bolts are used.
  • locking part of the tool which moves the thread part of a said 2nd cylinder bolt to the outer side is formed in the front-end
  • the connecting method of the cylindrical connecting structure according to claim 7 is the connecting method of the cylindrical connecting structure according to claim 4 or 5, wherein at least one of the plurality of bolt through holes of the inner joint.
  • the plurality of bolt through holes at positions corresponding to the second cylinder are formed with internal threads that are screwed into the second cylinder bolt, and the material of the second cylinder bolt is the inner side. It is harder than the joint material.
  • the portion where the end surface of the first cylindrical body and the end surface of the second cylindrical body are in contact with each other is an inner joint from the inside, an outer joint from the outer side, and a sandwich shape.
  • the first cylindrical body and the second cylindrical body can be firmly connected to each other.
  • the material of the second cylindrical bolt is harder than the material of the inner joint.
  • connection method of the connection structure of a cylinder of Claim 4 or Claim 5 the site
  • the material of the 2nd bolt for cylinders is an inner joint. Because it is harder than the material, if a strong torque is applied to the nut so that the second cylinder bolt is moved to the outside, the internal thread formed on the inner joint is deformed and the second cylinder is deformed.
  • the above-described three-layer structure can be firmly tightened with the use of bolts and nuts to improve the strength.
  • FIG. 1 is a schematic perspective view of a cylindrical connecting structure according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of FIG.
  • FIG. 3 is a schematic partially enlarged sectional view showing a part of FIG. 2 in an enlarged manner.
  • FIG. 4 is a schematic exploded sectional view showing FIG. 3 in an exploded manner.
  • FIG. 5 is a schematic partially enlarged sectional view showing a part of FIG. 2 in an enlarged manner.
  • FIG. 6 is a schematic exploded sectional view showing FIG. 5 in an exploded manner.
  • FIG. 7 is a schematic cross-sectional view cut in a direction transverse to the longitudinal direction of the cylindrical connection structure of FIG.
  • FIG. 8 is a schematic partially enlarged sectional view showing a part of FIG.
  • FIG. 9 is a schematic cross-sectional view showing a temporarily tightened state with the second cylinder bolt and nut of FIG. 2.
  • FIG. 10 is a schematic cross-sectional view showing a state of final fastening after temporary fastening in FIG.
  • FIG. 11 is a schematic cross-sectional view of a state before the end surface of the second cylinder is brought into contact with the end surface of the first cylinder.
  • FIG. 12 is a schematic cross-sectional view for explaining the movement of the second cylinder bolt in FIG. 11 and shows the state before the movement.
  • FIG. 13 is a schematic cross-sectional view showing a state where the second cylinder bolt is moved from the state of FIG. FIG.
  • FIG. 14 is a schematic cross-sectional view of a tubular connecting structure of another embodiment different from that shown in FIG.
  • FIG. 15 is a schematic cross-sectional view cut in a direction transverse to the longitudinal direction of the cylindrical connection structure of FIG.
  • FIG. 16 shows another embodiment different from the embodiment shown in FIG. 11, and is a schematic cross-sectional view of a state before the end surface of the second cylinder is brought into contact with the end surface of the first cylinder.
  • FIG. 17 is a schematic cross-sectional view of the state before the end surface of the second cylinder shown in FIG. 16 is in contact with the end surface of the first cylinder and before the corresponding contact portion is covered with the outer joint.
  • T Tubular connection structure 1 1st cylinder 2 2nd cylinder 3 inner joint 4 outer joint 5 first cylinder bolt 7 first cylinder nut 8 second cylinder bolt 10 2nd nut for cylinder
  • FIGS. 1, 2, and 7 A cylindrical connecting structure and a connecting method of a cylindrical connecting structure according to an embodiment of the present invention will be described with reference to the drawings.
  • a first embodiment is shown in FIGS. That is, T shown in FIGS. 1, 2, and 7 is a cylindrical connecting structure, and the cylindrical connecting structure T is a first cylindrical body in which end faces 12 and 22 (see FIG. 11) are in contact with each other.
  • the first and second cylinders 2 are sandwiched between the inner joint 3 and the outer joint 4 so that the first cylinder 1 and the second cylinder 2 can be “connected without welding”.
  • This cylindrical connection structure T can be applied to, for example, “posts, beams, piles, etc.” in architecture.
  • the first cylinder 1 is, for example, a steel pipe having a circular cross section, and has a plurality of bolt through holes 11 on the side surface.
  • a shaft portion having a threaded portion 52 of a first cylinder bolt 5 described later is passed through the bolt through hole 11 (see FIGS. 3 and 4).
  • the second cylinder 2 is a steel pipe having a circular cross section, for example, and has a plurality of bolt through holes 21 on the side surface.
  • a shaft portion having a thread portion 82 of a second cylinder bolt 8 described later is passed through the bolt through hole 21 (see FIGS. 5 and 6).
  • the inner joint 3 shown in FIGS. 2 and 7 is located on the inner surface of the second cylindrical body 2 and the first cylindrical body 1, and the end surface 12 of the first cylindrical body 1 and the end surface of the second cylindrical body 2.
  • abutted is covered over substantially the whole, and it has several bolt through-holes 31 and 32.
  • the bolt through hole 31 has a shaft portion having a threaded portion 52 of a first cylinder bolt 5 described later (see FIGS. 3 and 4), and the bolt through hole 32 has a second cylinder described later.
  • the shaft portions having the thread portions 82 of the working bolts 8 are respectively passed.
  • the inner joint 3 is composed of, for example, a plurality of arc-shaped members 3a and 3b.
  • the plurality of arc-shaped members 3a and 3b are divided into two parts.
  • the present invention is not limited to this, and appropriate division forms such as four parts, six parts, and eight parts can be applied. it can.
  • the outer joint 4 shown in FIGS. 1, 2, and 7 is located on the outer surface of the second cylinder 2 and the first cylinder 1, and the end surface 12 of the first cylinder 1 and the second cylinder 1.
  • the portion where the two end faces 22 (see FIG. 11) are in contact with each other is covered almost entirely, and a plurality of bolt through holes 41 and 42 are provided.
  • the bolt through hole 41 has a shaft portion having a threaded portion 52 of a first cylinder bolt 5 described later (see FIGS. 3 and 4), and the bolt through hole 42 has a second cylinder described later.
  • the shaft portions having the thread portions 82 of the working bolts 8 are respectively passed.
  • the outer joint 4 is composed of, for example, a plurality of arcuate members 4a and 4b. In the present embodiment, a plurality of arcuate members 4a and 4b are divided into two parts. However, the present invention is not limited to this, and appropriate division forms such as four parts, six parts, and eight parts can be applied. it can.
  • the shaft portion having the threaded portion 52 that is positioned in the body 1 and integrally extends from the head portion 51 is respectively connected to the plurality of bolt through holes 31 of the inner joint 3 and the bolt through holes of the plurality of first cylindrical bodies 1. 11 and a plurality of bolt through holes 41 of the outer joint 4 are projected outward (see FIGS. 3 and 4).
  • 6 is a washer, the washer 6 may be omitted and the head 51 may be brought into direct contact with the inner joint 3.
  • first cylinder nut is a first cylinder nut, and there are a plurality of first cylinder nuts 7 corresponding to a plurality of first cylinder bolts 5, and a plurality of first cylinder nuts are provided.
  • the nut 7 is located outside the outer joint 4 and is screwed into the threaded portions 52 of the plurality of first cylindrical bolts 5.
  • the shaft portion having the threaded portion 82 that is positioned in the body 2 and integrally extends from the head 81 is respectively connected to the plurality of bolt through holes 32 of the inner joint 3 and the bolt through holes of the plurality of second cylindrical bodies 2. 21 and a bolt through hole 42 of the outer joint 4 are projected outward (see FIGS. 5 and 6).
  • 9 is a washer, the washer 9 may be omitted and the head 81 may be brought into direct contact with the inner joint 3.
  • FIG. 2 is a second cylinder nut 10, and there are a plurality of second cylinder nuts 10 corresponding to a plurality of second cylinder bolts 8, and a plurality of second cylinder nuts 10.
  • the nut 10 is located outside the outer joint 4 and is screwed into the threaded portions 82 of the plurality of second cylinder bolts 8.
  • a female screw 32a is formed [see FIGS. 5 and 6].
  • the female screw 32a is formed not only on the inner wall of the plurality of bolt through holes 32 of the inner joint 3, but also on the inner wall of the other plurality of bolt through holes 31 of the inner joint 3. Also good. Furthermore, it is desirable that the material (for example, carbon steel) of the plurality of second cylinder bolts 8 is harder than the material of the inner joint 3 (for example, mild steel).
  • the cylindrical connecting structure T described above holds the first cylindrical body 1 and the second cylindrical body 2 between the inner joint 3 and the outer joint 4, and this clamping state is divided into a plurality of states.
  • the first cylinder bolt 5, the plurality of first cylinder nuts 7, the plurality of second cylinder bolts 8, and the plurality of second cylinder nuts 10 are held.
  • the connecting structure T of the cylindrical body the portion where the end surface 12 of the first cylindrical body 1 and the end surface 22 of the second cylindrical body 2 are in contact with each other is the inner joint 3 from the inner side and the outer joint from the outer side.
  • the first cylinder 1 and the second cylinder 2 can be firmly connected by sandwiching them in a sandwich shape by 4, that is, by forming a three-layer structure.
  • the cross-sectional shape crossing the longitudinal direction of the first cylindrical body 1 and the second cylindrical body 2 is substantially circular.
  • the cross-sectional shapes of the first cylinder 1 and the second cylinder 2 shown in FIGS. 14 and 15 may be substantially rectangular.
  • the inner side coupling 3 and the outer side joint 4 are respectively a some flat inner plate, a some flat outer plate, for example. Become.
  • the first cylindrical body 1 is sandwiched between the inner joint 3 and the outer joint 4, and this sandwiched state is changed into a plurality of 1 cylinder bolt 5 and a plurality of first cylinder nuts 7 screwed into the plurality of first cylinder bolts 5, and a gap between the inner joint 3 and the outer joint 4.
  • S is formed.
  • Each of the plurality of second cylinder bolts 8 is screwed into a female screw 32 a formed on the inner wall of the bolt through hole 32, and the tips of the plurality of second cylinder bolts 8 are connected to the inner joint 3. Keep in a state where it does not protrude further.
  • the second cylinder 2 is inserted into the gap S described above, for example, by moving downward, and the end face 22 of the second cylinder 2 is brought into contact with the end face 12 of the first cylinder 1.
  • inclined surfaces 3 ⁇ / b> K and 4 ⁇ / b> K toward the gap S are formed on the end surfaces of the inner joint 3 and the outer joint 4, respectively.
  • a plus-shaped recess not shown, a triangle-shaped recess, a square-shaped recess, a hexagon-shaped recess, a plus-shaped projection, or a triangular shape.
  • Convex portions, quadrangular convex portions, hexagonal convex portions, and the like. 3 and 4 is also the same as the locked portion 8a.
  • the plurality of second cylinder bolts 8 and the plurality of second cylinder nuts 10 are further tightened, the plurality of first cylinder bolts 5 and the plurality of first cylinders.
  • the nut 7 can be tightened strongly and finally tightened to obtain a tubular connection structure T.
  • FIG. 9 when a plurality of second cylinder bolts 8 and a plurality of second cylinder nuts 10 are tightened to some extent (temporary tightening) is shown in FIG. 9, the final tightening is the state shown in FIG. It becomes.
  • the nut 10 is viewed from the end surface of the screw portion 82 of the second cylinder bolt 8 using a tool (not shown) using a tool (not shown).
  • the second cylinder bolt 8 rotated in the clockwise direction, the second cylinder bolt 8 moves in the direction shown in FIG. 10, and if the second cylinder bolt 8 further advances, the second cylinder bolt 8 moves.
  • the material of the bolt 8 for example, carbon steel
  • the inner joint 3 for example, mild steel
  • the washer 9 of the head 81 of the bolt 8 strongly hits the inner joint 3, and the part where the end surface 12 of the first cylinder 1 and the end surface 22 of the second cylinder 2 are in contact with each other from the inner joint 3, Strongly sandwiched by the outer joint 4 from the outside to improve the connection strength between the first cylinder 1 and the second cylinder 2 It is possible to achieve.
  • the length of the thread of the female screw 32a is preferably all or part of the thickness of the inner joint 3 (for example, 2/3 or less of the thickness of the inner joint 3).
  • the female screw 32a In the initial stage of applying a torque to the nut 10 and applying the necessary torque to the second cylinder bolt 8, the female screw 32a is yielded and deformed or destroyed, and after the female screw 32a is deformed or broken, the second This is to increase the tightening force of the second cylinder bolt 8 and the nut 10 by moving the cylinder bolt 8 to the outside. That is, the looseness of the head 81 and the inner joint 3 of the second cylinder bolt 8 when the second cylinder bolt 8 is clockwise when viewed from the nut 10 side during the final tightening with the nut 10 is eliminated. Can be made.
  • FIGS. 16 and 17 the same parts as those in the above-described embodiment are denoted by the same reference numerals in FIGS. That is, as shown in FIGS. 16 and 17, the plurality of first cylindrical bolts 5 are passed through the plurality of bolt through holes 31 of the inner joint 3 and the plurality of bolt through holes 11 of the first cylindrical body 1.
  • the second cylinder bolts 8 are screwed into the female threads 32 a of the inner joint 3, and the second ends of the second cylinder bolts 8 are not projected from the inner joint 3.
  • the end surface 22 of the cylinder 2 can be brought into contact with the end surface 12 of the first cylinder 1 (contact process).
  • the tips of the plurality of second cylinder bolts 8 are attached to the plurality of bolt through holes 32 of the inner joint 3 and the plurality of bolts of the second cylinder 2 using the same tool 100 as described above. Projecting from the through hole 21 (second cylindrical bolt projecting step). That is, using the tool 100, the second cylinder bolt 8 is reversed (rotated counterclockwise when viewed from the outside of the first cylinder 1) in order to project the tip of the second cylinder bolt 8. .
  • the plurality of first cylinder bolts 5 and the plurality of second cylinders protruding from the first cylinder 1 and the second cylinder 2 shown in FIG.
  • the bolt 8 is passed through the plurality of bolt through holes 41, 42 of the outer joint 4 (through process).
  • a plurality of first cylinder nuts 7 and a plurality of second cylinder nuts 10 are attached to the plurality of first cylinder bolts 5 and the plurality of second cylinder bolts 8.
  • the cylindrical connection structure T shown in FIG. 2 can be obtained by screwing and tightening (tightening process).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

L'invention porte sur une structure de raccord d'un tube pour raccorder mécaniquement un tuyau sans utiliser de soudage. Dans le structure de raccordement (T) d'un tube, un premier tube (1) et un second tube (2) sont tenus par un joint interne (3) et un joint externe (4), et l'état tenu est maintenu par une pluralité de boulons (5) pour le premier tube, une pluralité d'écrous (7) pour le premier tube, une pluralité de boulons (8) pour le second tube et une pluralité d'écrous (10) pour le second tube.
PCT/JP2009/055254 2009-02-02 2009-03-18 Structure de raccord de tube et procédé pour raccorder une structure de raccord de tube WO2010087036A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009205720A JP5202483B2 (ja) 2009-02-02 2009-09-07 筒体の接続構造体の接続方法及び筒体の接続構造体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP2009/051716 WO2010087020A1 (fr) 2009-02-02 2009-02-02 Structure de raccord de corps de tube et procédé de raccordement pour structure de raccord de corps de tube
JPPCT/JP2009/051716 2009-02-02

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WO2010087036A1 true WO2010087036A1 (fr) 2010-08-05

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PCT/JP2009/051716 WO2010087020A1 (fr) 2009-02-02 2009-02-02 Structure de raccord de corps de tube et procédé de raccordement pour structure de raccord de corps de tube
PCT/JP2009/055254 WO2010087036A1 (fr) 2009-02-02 2009-03-18 Structure de raccord de tube et procédé pour raccorder une structure de raccord de tube

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012112169A (ja) * 2010-11-25 2012-06-14 Best Nature Co Ltd 構造物の接合構造及び梁の接合方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6086367B2 (ja) * 2013-06-20 2017-03-01 Ｂｅｓｔ・Ｎａｔｕｒｅ株式会社 筒体の接続構造体の接続方法及び圧入用樹脂製雌ネジ体

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61274109A (ja) * 1985-05-28 1986-12-04 株式会社構建設計研究所 角鋼管部材の補強方法
JPH0464610U (fr) * 1990-10-16 1992-06-03
JPH11125226A (ja) * 1997-10-24 1999-05-11 Atsushi Nakagawa ボルトによる部材接合方法
WO2003093691A1 (fr) * 2002-05-01 2003-11-13 Fusao Yamada Fixation de blocage
JP2005351412A (ja) * 2004-06-11 2005-12-22 Jfe Steel Kk 鋼管同士の連結方法
JP2008101749A (ja) * 2006-10-20 2008-05-01 Sekkeishitsu Soil:Kk 鋼管の継手部材

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61274109A (ja) * 1985-05-28 1986-12-04 株式会社構建設計研究所 角鋼管部材の補強方法
JPH0464610U (fr) * 1990-10-16 1992-06-03
JPH11125226A (ja) * 1997-10-24 1999-05-11 Atsushi Nakagawa ボルトによる部材接合方法
WO2003093691A1 (fr) * 2002-05-01 2003-11-13 Fusao Yamada Fixation de blocage
JP2005351412A (ja) * 2004-06-11 2005-12-22 Jfe Steel Kk 鋼管同士の連結方法
JP2008101749A (ja) * 2006-10-20 2008-05-01 Sekkeishitsu Soil:Kk 鋼管の継手部材

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012112169A (ja) * 2010-11-25 2012-06-14 Best Nature Co Ltd 構造物の接合構造及び梁の接合方法

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