CN203395454U - Two-path four-way rotary joint of single-point mooring system - Google Patents

Two-path four-way rotary joint of single-point mooring system Download PDF

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Publication number
CN203395454U
CN203395454U CN201320492444.2U CN201320492444U CN203395454U CN 203395454 U CN203395454 U CN 203395454U CN 201320492444 U CN201320492444 U CN 201320492444U CN 203395454 U CN203395454 U CN 203395454U
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CN
China
Prior art keywords
inner tube
connection set
snap ring
outer tube
road
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Expired - Lifetime
Application number
CN201320492444.2U
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Chinese (zh)
Inventor
黄志明
张大刚
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QINGDAO DMAR MARINE ENGINEERING Co Ltd
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QINGDAO DMAR MARINE ENGINEERING Co Ltd
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Priority to CN201320492444.2U priority Critical patent/CN203395454U/en
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Publication of CN203395454U publication Critical patent/CN203395454U/en
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Abstract

The utility model relates to a two-path four-way rotary joint in a buoy member (1) of a single-point mooring system and belongs to the technical field of joints. The two-path four-way rotary joint comprises an inner-tube upper portion, an outer-tube upper portion, an inner-tube lower portion and an outer-tube lower portion, wherein the inner-tube lower portion and the outer-tube lower portion can rotate relative to the inner-tube upper portion and the outer-tube upper portion. The edges at the connecting positions of the inner-tube upper portion and the inner-tube lower portion are respectively provided with convex rings and axially connected through a first connecting device provided with a groove, and the edges at the connecting positions of the outer-tube upper portion and the outer-tube lower portion are respectively provided with convex rings and axially connected through a second connecting device provided with a groove. The two-path four-way rotary joint is good in sealing effect.

Description

Single point mooring system Er road four-way swivel joint
Technical field
The utility model relates to a kind of single point mooring system Er road four-way swivel joint, belongs to swivel joint technical field.
Background technique
Single point mooring (SPM) system refer to mooring ship along with the variation of wind and ocean current round the variation of wind and ocean current and freely turn round round single mooring point, thereby the anchoring system in wind, wave, stream and power minimum position constantly.Fig. 1 is the composition schematic diagram of single point mooring system, and as shown in Figure 1, single point mooring system mainly consists of floating drum member 1, anchor chain member 2, mooring line member 3, flotation hose member 4 and underwater hose member 5.It is upper that the anchor chain that floating drum member is arranged radially by the six roots of sensation is connected in anchor or the stake in seabed, between floating drum member and seabed manifold, with underwater hose member, is connected; Boats and ships pass through 3 moorings of mooring line member on floating drum member.In the floating drum member 1 of single point mooring system, there are Yi Ge bis-road four-way swivel joints.This two roads four-way swivel joint comprises inner tube top and outer tube top, and can be with respect to inner tube bottom and the outer tube bottom of inner tube top and the rotation of outer tube top.This relatively turnable characteristic is single point mooring system to be required and one of technical characterstic by the significant design of floating drum member 1, and still two road four-way swivel joint sealings of the prior art are poor.
Summary of the invention
For overcoming the shortcoming existing in prior art, goal of the invention of the present utility model is to provide a kind of single point mooring system Er road four-way swivel joint, described swivel joint good airproof performance.
For realizing described goal of the invention, the utility model provides a kind of floating drum member 1 Zhong bis-road four-way swivel joints of single point mooring system, it comprises inner tube top and outer tube top, and can be with respect to inner tube bottom and the outer tube bottom of inner tube top and the rotation of outer tube top, it is characterized in that, the edge of inner tube top and connection, inner tube bottom has respectively bulge loop, and axially connect by reeded the first connection set of tool, and the edge of outer tube top and connection, outer tube bottom has respectively bulge loop, and axially connect by reeded the second connection set of tool.
Preferably, the first and second connection sets include top snap ring, bottom snap ring, intermediate elastomeric, top elastomer and lower elastomers.
Preferably, by the intermediate elastomeric 15 of the first connection set, be arranged between inner tube top 11 and inner tube bottom 12; The intermediate elastomeric of the second connection set is arranged between outer tube top and outer tube bottom.
Preferably, the top elastomer 16 of the first connection set is arranged between inner tube top 11 and the first connection set Zhong top snap ring 18; The top elastomer of the second connection set is arranged between outer tube top and the second connection set Zhong top snap ring.
Preferably, between the top snap ring of the first connection set and inner tube top 11, be provided with seal ring; Between the top snap ring of the second connection set and outer tube top, be provided with seal ring.
Preferably, between the bottom snap ring of the first connection set and inner tube bottom, be provided with seal ring; Between the bottom snap ring of the second connection set and outer tube bottom, be provided with seal ring.
Preferably, between the top snap ring of the first connection set and bottom snap ring, be provided with seal ring; Between the top snap ring of the second connection set and bottom snap ring, be provided with seal ring.
Compared with prior art, the single point mooring system Er road four-way swivel joint good airproof performance that the utility model provides.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of single point mooring system;
Fig. 2 is the three-dimensional cutaway view that the utility model provides Er road four-way swivel joint;
Fig. 3 is the longitudinal cross-section schematic diagram that the utility model provides Er road four-way swivel joint.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model in detail, identical reference character represents identical parts.
Fig. 2 is the three-dimensional cutaway view that the utility model provides Er road four-way swivel joint.Fig. 3 is the longitudinal cross-section schematic diagram that the utility model provides Er road four-way swivel joint.As Figure 2-3, the utility model provides Er road four-way swivel joint to comprise inner tube top 11 and outer tube top 13, and can be with respect to inner tube bottom 12 and the outer tube bottom 14 of inner tube top 11 and 13 rotations of outer tube top.
Outer tube top 13 is internal diameter R 1, be highly H 1cylinder, this cylinder bottom is open, top is provided with upper base, the central authorities of upper base are provided with the first opening, the diameter of the first opening is R 2, R 2< R 1, at the first opening, the first fairlead being set, the central opening of one end of the first fairlead and outer tube upper base is tightly connected, and the edge of the other end is provided with the first bulge loop, is evenly provided with vertically a plurality of through holes to be connected with other pipe on the first bulge loop.The sidewall on outer tube top 13 arranges the second opening near the place of upper base, and the diameter of the second opening is R 3, R 3< R 1, at the second opening, the second fairlead being set, the second opening that one end of the second fairlead and outer tube upper side are kept away is tightly connected, and the edge of the other end is provided with the second bulge loop, is evenly provided with vertically a plurality of through holes to be connected with other pipe on the second bulge loop.The lower edge on outer tube top 13 is provided with the 3rd bulge loop, and the external diameter of the 3rd bulge loop is greater than the external diameter on outer tube top.The structure of outer tube bottom is identical with the structure on outer tube top, and mirror is symmetrical, so, is convenient to machining and installation.Outer tube bottom 14 is internal diameter R 1, be highly H 1cylinder, this cylinder top is open, bottom is provided with goes to the bottom, the central authorities that go to the bottom are provided with the 3rd opening, the diameter of the 3rd opening is R 2, R 2< R 1, at the 3rd opening, the 3rd fairlead being set, the 3rd central opening of one end of the 3rd fairlead and outer tube upper base is tightly connected, and the edge of the other end is provided with the 4th bulge loop, is evenly provided with vertically a plurality of through holes to be connected with other pipe on the 4th bulge loop.The sidewall of outer tube bottom 14 arranges the 4th opening near the place of going to the bottom, and the diameter of the 4th opening is R 3, R 3< R 1, at the 4th opening, the 4th fairlead being set, the 4th opening that one end of the 4th fairlead and outer tube upper side are kept away is tightly connected, and the edge of the other end is provided with the 5th bulge loop, is evenly provided with vertically a plurality of through holes to be connected with other pipe on the 5th bulge loop.The upper end-face edge of outer tube bottom 14 is provided with the 6th bulge loop, and the external diameter of the 6th bulge loop is greater than the external diameter of outer tube bottom.
Inner tube top 11 is internal diameter R 2, be highly H 1cylinder, be arranged at the central authorities on outer tube top 13, and mate with the first opening of outer tube top 13 upper bases.The lower edge on inner tube top 11 is provided with the 7th bulge loop, and the external diameter of the 7th bulge loop is greater than the external diameter on inner tube top.The structure of inner tube bottom is identical with the structure on inner tube top, and mirror is symmetrical, is convenient to machining and installation.Inner tube bottom 112 is internal diameter R 2, be highly H 1cylinder, be arranged at the central authorities of outer tube bottom 14, and the 3rd opening of going to the bottom with outer tube bottom 14 mates.The lower edge of inner tube bottom 12 is provided with the 8th bulge loop, and the external diameter of the 8th bulge loop is greater than the external diameter of inner tube bottom.So, when inner tube bottom 12 and outer tube bottom 14 rotate with respect to inner tube top 11 and outer tube top 13, the first fairlead is communicated with the 3rd fairlead all the time, and the second fairlead is communicated with the 4th fairlead all the time.
Inner tube top 11 is connected by reeded the first connection set of tool with inner tube bottom 12, the first connection set comprises snap ring 18, bottom, top snap ring 19, intermediate elastomeric 15, top elastomer 16 and lower elastomers 17, the outer in top snap ring 18 cross section is vertically two sections of stepped shafts, inside is rectangle, so structure makes top snap ring 18 have annular groove, groove is in order to embed the 7th bulge loop to form Seal cage, and Seal cage is embedded in top elastomer 16.The structure of bottom snap ring 19 is similar to top snap ring 18 and mirror image is symmetrical.The outer in bottom snap ring 19 cross section is vertically two sections of stepped shafts, and inside is rectangle, and so structure makes bottom snap ring 19 have annular groove, and groove is in order to embed the 8th bulge loop to form Seal cage, and Seal cage is embedded in lower elastomers 17.The intermediate elastomeric 15 of the first connection set is arranged between the 7th bulge loop on inner tube top 11 and the 8th bulge loop connection of inner tube bottom 12.The top elastomer 16 of the first connection set is arranged between inner tube top 11 and the first connection set Zhong top snap ring 18 in formed annular seal space.Between the top snap ring of the first connection set and inner tube top 11, be provided with top outer seal ring 20, between the 7th bulge loop on inner tube top 11 and top snap ring, be provided with top inner seal ring 23; Between the bottom snap ring 19 of the first connection set and inner tube bottom 12, be provided with bottom outer seal ring 22; Between the 8th bulge loop of inner tube bottom 12 and bottom snap ring, be provided with bottom inner seal ring 24.Between snap ring 18He bottom, the top snap ring 19 of the first connection set, be provided with side sealing ring 21.The utility model provides Er road four-way swivel joint to use intermediate elastomeric 15， top elastomer 16, and lower elastomers 17, provides double-layer seal effect.Intermediate elastomeric 15, top elastomer 16, lower elastomers 17 also allows relative sliding, allow inner tube top 11 and inner tube bottom 12 have three can relative sliding surface of contact, effectively reduced inner tube top 11 and inner tube bottom 12 frictional force in relative rotation, increased the reliability of system and moved property quietly.Snap ring 18He bottom, top snap ring 19 is axially connected inner tube top 11 with inner tube bottom 12, but not constraint is rotated in inner tube top 11 and inner tube bottom 12.Top elastomer 16, lower elastomers 17 is all separated separately in Seal cage independently, not to be subject to the impact of outside liquid and the intrusion of foreign matter.Outer seal ring 22， bottom, inner seal ring 23， bottom, outer seal ring 20， top, top inner seal ring 24, and side sealing ring 21 all adopts identical design, strengthened the reliability of seal ring.
The first connection set between the second connection set between outer tube top 13 and outer tube bottom 14 and inner tube top 11 and inner tube bottom 12 is similar.The diameter of all parts in the second connection set is all large than the diameter of the parts in the first connection set, and matches with external diameter and the bulge loop of outer tube top 13 and outer tube bottom 14.This simplifies design and procedure, reduces number of spare parts, maximize part versatility and can substituted.The upper and lower of two road four-way swivel joints is mirror image symmetry, is convenient to machining and installation.
More than being described with reference to the accompanying drawings the utility model, is only for explaining claims but those of ordinary skills it should be known that specification.But protection domain of the present utility model is not limited to specification.In the technical scope that any those skilled in the art of being familiar with disclose at the utility model, the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.

Claims (7)

1. floating drum member (1) the Zhong bis-road four-way swivel joints of a single point mooring system, it comprises inner tube top and outer tube top, and can be with respect to inner tube bottom and the outer tube bottom of inner tube top and the rotation of outer tube top, it is characterized in that, the edge of inner tube top and connection, inner tube bottom has respectively bulge loop, and axially connect by reeded the first connection set of tool, and the edge of outer tube top and connection, outer tube bottom has respectively bulge loop, and axially connect by reeded the second connection set of tool.
2. two road four-way swivel joints according to claim 1, is characterized in that, the first and second connection sets include top snap ring, bottom snap ring, intermediate elastomeric, top elastomer and lower elastomers.
3. two road four-way swivel joints according to claim 2, is characterized in that, by the intermediate elastomeric (15) of the first connection set, are arranged between inner tube top (11) and inner tube bottom (12); The intermediate elastomeric of the second connection set is arranged between outer tube top and outer tube bottom.
4. two road four-way swivel joints according to claim 3, is characterized in that, the top elastomer (16) of the first connection set is arranged between inner tube top (11) and the first connection set Zhong top snap ring (18); The top elastomer of the second connection set is arranged between outer tube top and the second connection set Zhong top snap ring.
5. two road four-way swivel joints according to claim 4, is characterized in that, between the top snap ring of the first connection set and inner tube top (11), are provided with seal ring; Between the top snap ring of the second connection set and outer tube top, be provided with seal ring.
6. two road four-way swivel joints according to claim 5, is characterized in that, between the bottom snap ring of the first connection set and inner tube bottom, are provided with seal ring; Between the bottom snap ring of the second connection set and outer tube bottom, be provided with seal ring.
7. two road four-way swivel joints according to claim 4, is characterized in that, between the top snap ring of the first connection set and bottom snap ring, are provided with seal ring; Between the top snap ring of the second connection set and bottom snap ring, be provided with seal ring.
CN201320492444.2U 2013-08-13 2013-08-13 Two-path four-way rotary joint of single-point mooring system Expired - Lifetime CN203395454U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320492444.2U CN203395454U (en) 2013-08-13 2013-08-13 Two-path four-way rotary joint of single-point mooring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320492444.2U CN203395454U (en) 2013-08-13 2013-08-13 Two-path four-way rotary joint of single-point mooring system

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Publication Number Publication Date
CN203395454U true CN203395454U (en) 2014-01-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388719A (en) * 2013-08-13 2013-11-13 青岛迪玛尔海洋工程有限公司 Two-way cross rotary joint of single point mooring system
CN112227999A (en) * 2020-12-14 2021-01-15 东营华辰石油装备有限公司 Be used for high-power throttle oil recovery wellhead assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388719A (en) * 2013-08-13 2013-11-13 青岛迪玛尔海洋工程有限公司 Two-way cross rotary joint of single point mooring system
CN103388719B (en) * 2013-08-13 2015-08-19 青岛迪玛尔海洋工程有限公司 Two road four-way swivel joints of single point mooring system
CN112227999A (en) * 2020-12-14 2021-01-15 东营华辰石油装备有限公司 Be used for high-power throttle oil recovery wellhead assembly
CN112227999B (en) * 2020-12-14 2021-03-16 东营华辰石油装备有限公司 Be used for high-power throttle oil recovery wellhead assembly

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Granted publication date: 20140115