WO1980001309A1 - Joint universel creux - Google Patents

Joint universel creux Download PDF

Info

Publication number
WO1980001309A1
WO1980001309A1 PCT/JP1979/000311 JP7900311W WO8001309A1 WO 1980001309 A1 WO1980001309 A1 WO 1980001309A1 JP 7900311 W JP7900311 W JP 7900311W WO 8001309 A1 WO8001309 A1 WO 8001309A1
Authority
WO
WIPO (PCT)
Prior art keywords
universal joint
mooring
hollow universal
connecting ring
yoke
Prior art date
Application number
PCT/JP1979/000311
Other languages
English (en)
Japanese (ja)
Inventor
H Okuda
Original Assignee
Sumitomo Metal Ind
Koyo Seiko Co
H Okuda
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
Priority claimed from JP15618978A external-priority patent/JPS5583688A/ja
Priority claimed from JP3584479A external-priority patent/JPS5582887A/ja
Application filed by Sumitomo Metal Ind, Koyo Seiko Co, H Okuda filed Critical Sumitomo Metal Ind
Publication of WO1980001309A1 publication Critical patent/WO1980001309A1/fr

Links

Classifications

    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
    • F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L51/00—Expansion-compensation arrangements for pipe-lines
    • F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations

Definitions

  • the present invention relates to a hollow universal joint, and more particularly, to a mooring of a storage terminal or the like floating above the sea from the seabed in an offshore oil field or the like.
  • the present invention relates to a hollow universal joint used in a method or apparatus for transferring a fluid such as crude oil from a mooring object floating offshore or from a mooring object to a storage tank on a quay.
  • a swivel joint has been used as a coupling for a fluid transmission pipe. Since this swivel joint has only one degree of freedom in one direction, it must be designed with consideration given to the resistance to external forces from other directions. If it is necessary to have a degree of freedom in the directions of X, ⁇ , and z in the fluid line, at least three swivel joints must be provided in the line. No. As described above, the swivel joint has a drawback that the structure is complicated and the transmission line itself is complicated. ⁇ Generally, fluid transmission in an offshore oil field or the like is performed by using a storage terminal based on an offshore base force, as disclosed in, for example, US Pat. No. 5,708,811. When sending fluid such as crude oil to a mooring object such as
  • An object of the present invention is to provide a hollow universal joint that is compact, has excellent durability, has a high degree of freedom in design, and is easy to maintain.
  • the bowl bottom of the bowl-shaped body is opened, a cylindrical portion communicating with the opening is projected from the bowl top of the bowl-shaped body, and a bifurcated portion is formed at a position substantially opposed to an outer peripheral edge of the bowl bottom.
  • a pair of yokes each having a trunnion protruding radially outward from the tip of the bifurcated part, and an annular intermediate wheel disposed outside the bifurcated fP by a trunnion.
  • the pair of yoke traverses are pivotally supported so that they intersect with each other so that they intersect with each other.
  • connection ring forming a concave spherical seat positioned between the pair of yokes, having a spherical outer diameter surface engaged with the concave spherical seat, and forming a connection hole having an inner diameter surface communicating with the through hole.
  • the hollow universal joint further supports an annular sliding seal between the concave spherical seat of the yoke and the spherical outer diameter surface of the connection ring, and seals between the two by the seal. ⁇ .
  • the annular sliding seal may be pressed against the spherical outer diameter surface of the connecting ring by an elastic member.
  • the hollow universal joint further includes a connector for integrally connecting the connection ring to the intermediate wheel, and the connection ring follows a change in the bending angle of the pair of yokes.
  • the hollow universal joint is provided with a protruding portion on the outer diameter surface of the connecting ring body, which protrudes from the center portion in the width direction and can contact the opposing end surface of each yoke, in place of the connecting element. It is also possible to adopt a configuration in which the connecting ring follows the change in the bending angle of the pair of yokes.
  • the hollow universal joint may be further covered with a telescopic cover for preventing intrusion of mud having seawater introduction small holes.
  • the hollow universal joint as described above is used for mooring floating on the sea.
  • a fluid feeding method or device for a mooring device for mooring an object to a mooring base wherein a plurality of rigid pipes are connected in series to a plurality of hollow universal joints in H series, and ...
  • a connection hole with sufficient resistance to internal and external pressures is also formed by bending operation, and the rigid holes are connected by connecting the holes of multiple rigid tubes through the connection holes of the hollow universal joint.
  • one end of the connected body is anchored to a tether and the other end is anchored.
  • the hollow universal joint of the present invention is configured as described above, when an external force is applied to the joint, the force is transmitted from one yoke through the intermediate wheel to the other yoke, so that the joint is connected. An excessive load is applied to the ring. Therefore, if the yoke and the intermediate wheel are designed with sufficient strength, a joint that can withstand a large load can be obtained. If a roller is used at the connection between the yoke and the intermediate wheel, a smooth bend can be obtained. Further, by disposing a seal member on the engagement surface between the yoke and the connecting ring, a fluid seal that can withstand high pressure can be obtained. Therefore, as a whole,
  • a compact and strong hollow universal joint for fluid transmission can be obtained.
  • fluids such as crude oil are transferred from submarine terminals to moorings such as storage terminals at sea or to moorings.
  • the hollow universal joint of the present invention When the hollow universal joint of the present invention is used for a method or an apparatus for transferring the steel to a quay storage tank or the like, no auxiliary means such as a chain or a wire is used at all, for example, a rust-resistant metal
  • a plurality of rigid tubular bodies can be connected in series using a hollow universal joint to form a rigid and flexible connected body.
  • the hollow universal joint is formed with a connection hole that is sufficiently resistant to internal and external pressures and that is in communication with the rigid pipe and bore, and is itself fluid.
  • WIPG- It is configured to also serve as a part, has sufficient resistance to wind, rain, and waves, and is optimal as a joint for fluid feed pipes for moorings moored on the sea for a long time.
  • the use of a chain wire is extremely easy to handle and easy to assemble, and the work of installation and maintenance in the deep sea is also easy.
  • FIG. 1 is an illustration showing an example of use of the hollow universal joint of the present invention.
  • FIG. 2 is a schematic cross-sectional view of the hollow universal joint of the present invention.
  • FIG. S is a half longitudinal sectional view taken along line II of FIG.
  • FIG. 4 is a longitudinal sectional view taken along line FF of FIG.
  • FIG. 5 is a half longitudinal sectional view of another embodiment of the hollow universal joint of the present invention. [Best mode for carrying out the invention]
  • a fluid pipe 2 for crude oil and the like laid on the seabed A is connected to the mooring terminal 1 which is fixed to the seabed A.
  • a mooring object 3 such as a storage terminal is suspended on the sea surface B.
  • the mooring base 1 and the mooring object 3 are composed of a plurality of rigid pipes 4 and a plurality of hollow universal joints 5 according to the present invention.
  • the connection is made by a rigid body that is connected in series by a rigid body. That is, one end 18 of the connector 4 ′ 5 is pivotally connected to the mooring object 5, and the other end 19 of the connector 45 is connected to the mooring base 1 in fluid communication.
  • Mooring 3 is caused by the ebb and flow of the tide, wind waves, etc. You can move as shown by the line.
  • the hollow universal joint 5 is mainly made of a pair of yokes ⁇ , a connecting ring 15 and an intermediate wheel 9, as best shown in FIGS. 2 and 3.
  • the yoke ⁇ is generally a bowl having a concave spherical seat ⁇ 5.
  • the bottom of the bowl-shaped body is open, and a bifurcated portion # 1 is provided at a position substantially opposite to the outer peripheral edge.
  • a cylindrical portion # 2 communicating with the opening is provided at the top of the bowl-shaped body.
  • the through hole ⁇ 5 of the cylindrical portion ⁇ 2 is not connected to the hole 41 of the rigid tube 4.
  • a trunnion 64 is formed to project radially outward from the tip of the forked portion.
  • a concave spherical seat 5 located substantially on the same spherical surface over the pair of yokes, and communicates with the through hole 3.
  • a connecting ring 13 having a spherical outer surface 13 1 engaging with the concave spherical seat 5 is interposed in the pair of concave spherical seats 5.
  • the ring body 13 is provided with a connection hole 132 communicating with the tube hole 41 of the rigid tube 4 through the through hole 3 of the yoke ⁇ .
  • connection ring 13 is integrally connected to the intermediate wheel 9.
  • Figure 4 is a ® centerline 1 3 4 a pair of connecting rings body 1 3 - center axis ⁇ ⁇ clauses O, folding ⁇ ⁇ intersect each;. ⁇ Corner almost 2 etc. supplementary angle ⁇ of ⁇ This shows the state located on the branch line.
  • annular sliding seals 1 ⁇ ⁇ ⁇ made of metal or plastic, etc., supported in place on the concave spherical seat 5 of the yoke ⁇ 5 Press strongly with a cylinder spring 17 etc. to completely seal the gap between the two against internal and external pressure. If the annular dynamic seal 1 ⁇ ⁇ is made of an elastic material, the spring 17 does not need to be provided.
  • the yoke ⁇ and the rigid tube 4 are provided with appropriate fixing means such as bolts, nuts, rivets, etc.
  • Reference numeral 22 denotes a bearing outer cover
  • reference numeral 23 denotes a bellows-like joint having a seawater introduction small hole (not shown) for preventing intrusion of a muddy joint r-cover
  • reference numerals 24 and 25 cover 25 This is a tightening band wound on the outer periphery of the end.
  • the spherical contact length between the connecting ring 15 and the pair of yokes ⁇ is determined in consideration of the maximum required bending angle ⁇ and the length and position of the sealing body.
  • the connecting ring 13 is connected to the yoke ⁇ Care must be taken not to block through hole ⁇ 5.
  • it is effective to form a projection at the center of the outer diameter surface of the connecting ring 13 to have a function of a stopper.
  • FIG. 5 shows an example of a mechanism for achieving this purpose.
  • the same components and portions as those in FIG. 3 are denoted by the same reference numerals. As shown in the figure, this mechanism is used to connect the intermediate wheel 9 and the connecting ring 15 with a connector 15 ⁇ Fig.
  • a concave groove 27 is provided around the outer periphery of the yoke ⁇ , a protrusion 20 is fitted and fixed in the concave groove 27, and the protrusion is made to face the opposite end surface 28 of the pair of yokes ⁇ , and the yoke ⁇ is bent.
  • the projection 2 2 is brought into contact with the yoke end face ⁇ 8 and the connecting ring 13 can follow the change in the angle.
  • the joints and force pars are omitted. Instead, each part of the bearing 10 is replaced by ⁇ .rings 29, 30, 30, 31 and sealing rings 32, etc. Sealed.
  • the seal between the U intermediate wheel 9 and the bearing outer cover 22 is provided by the 0 ring 29, and the seal between the outer ring of the intermediate wheel 9 and the bearing is provided by the 0 ring 30.
  • seals between the inner ring of the bearing 10 and the inner ring of the bearing 10 and a seal ring 52 is attached between the outer ring and the inner ring of the bearing. The inside of the bearing is sealed.
  • the maximum bending angle ⁇ Assuming that 20 rigid pipes 4 are connected in series as 20 and the movement range of the mooring object 3 is 20 in the vertical direction and 80 ⁇ in the horizontal direction, the maximum water depth is about 130 It is possible to bend and stretch the body 45 in the minimum water range of about 1.10.
  • the length of rigid pipe 4 has been changed! ), By appropriately selecting the number of oils to be used '], and to use it for the transportation of crude oil from a few meters of shallow water to, for example, 250 to 300 m deep water. Can be.
  • the present invention is effective when a fluid such as oil, water, mud, gas, or the like is sent in the ocean, river, lake, or underground, or when mooring an object in the fluid.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)

Abstract

Un joint universel creux consiste en une paire d'etriers creux pouvant tourner autour de deux axes secants. Une pluralite de tubes rigides sont relies par le joint universel creux et constituent des moyens de transport de fluide.
PCT/JP1979/000311 1978-12-14 1979-12-06 Joint universel creux WO1980001309A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP15618978A JPS5583688A (en) 1978-12-14 1978-12-14 Fluid transport method and apparatus for mooring device
JP78/156189 1978-12-14
JP3584479A JPS5582887A (en) 1979-03-26 1979-03-26 Ball joint for liquid transportation

Publications (1)

Publication Number Publication Date
WO1980001309A1 true WO1980001309A1 (fr) 1980-06-26

Family

ID=26374842

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1979/000311 WO1980001309A1 (fr) 1978-12-14 1979-12-06 Joint universel creux

Country Status (1)

Country Link
WO (1) WO1980001309A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248899A (en) * 1990-10-19 1992-04-22 Ford Motor Co Flexible joint for motor vehicle exhaust system
EP0565792A1 (fr) * 1992-04-01 1993-10-20 Kazuo Yano Raccord flexible pour tuyau
US20090114743A1 (en) * 2004-01-16 2009-05-07 Kurt Judson Thomas Integrated swivel spray aerator with diverter
ITMI20101869A1 (it) * 2010-10-13 2012-04-14 Mib Italiana Spa "elemento di raccordo a snodo cardanico per tubazioni per il trasferimento di prodotti fluidi in pressione"

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1106845A (en) * 1964-05-05 1968-03-20 Biro Guy Dion Jointed nozzles
GB1147862A (en) * 1966-07-05 1969-04-10 Ventura Tool Company Flexible connectors for pipes
GB1149906A (en) * 1966-07-29 1969-04-23 High Temperature Eng Ltd Gimbal joint for connecting fluid conduit members

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1106845A (en) * 1964-05-05 1968-03-20 Biro Guy Dion Jointed nozzles
GB1147862A (en) * 1966-07-05 1969-04-10 Ventura Tool Company Flexible connectors for pipes
GB1149906A (en) * 1966-07-29 1969-04-23 High Temperature Eng Ltd Gimbal joint for connecting fluid conduit members

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2248899A (en) * 1990-10-19 1992-04-22 Ford Motor Co Flexible joint for motor vehicle exhaust system
GB2248899B (en) * 1990-10-19 1994-01-26 Ford Motor Co Flexible joint for motor vehicle exhaust system
EP0565792A1 (fr) * 1992-04-01 1993-10-20 Kazuo Yano Raccord flexible pour tuyau
US20090114743A1 (en) * 2004-01-16 2009-05-07 Kurt Judson Thomas Integrated swivel spray aerator with diverter
US9045885B2 (en) * 2004-01-16 2015-06-02 Delta Faucet Company Integrated swivel spray aerator with diverter
ITMI20101869A1 (it) * 2010-10-13 2012-04-14 Mib Italiana Spa "elemento di raccordo a snodo cardanico per tubazioni per il trasferimento di prodotti fluidi in pressione"

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