CN109178230B - Connecting device between semi-submersible platforms - Google Patents
Connecting device between semi-submersible platforms Download PDFInfo
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- CN109178230B CN109178230B CN201811262341.0A CN201811262341A CN109178230B CN 109178230 B CN109178230 B CN 109178230B CN 201811262341 A CN201811262341 A CN 201811262341A CN 109178230 B CN109178230 B CN 109178230B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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Abstract
The invention discloses a connecting device between semi-submersible platforms, which is used for connecting a left platform and a right platform; the end part of the left platform is sequentially provided with a first left sunken part, a first left convex part, a second left sunken part and a second left convex part; the end part of the right platform is sequentially provided with a first right convex part, a first right concave part, a second right convex part and a second right concave part; the first right convex part is inserted in the first left concave part; the first left convex part is inserted in the first right concave part; the second right convex part is inserted in the second left concave part; the second left convex part is inserted in the second right concave part; a first rotating shaft is arranged between the first right convex part and the first left convex part; a second rotating shaft is arranged between the first left convex part and the second right convex part; and a third rotating shaft is arranged between the second right convex part and the second left convex part. The invention can ensure that two semi-submersible platform modules can be reliably and safely connected together, and the design of the end part configuration can not influence the relative motion of the platform.
Description
Technical Field
The invention relates to the technical field of ocean engineering equipment, in particular to a connecting device between semi-submersible platforms.
Background
Semi-submersible platforms are usually self-contained and stand on the surface of the sea by some specific mooring means. With the development of practical needs, more than two semi-submersible platforms need to be connected together in certain situations.
At present, the connection mode between two semi-submersible platforms has the following problems: the rigid connection mode can limit the self movement of the semi-submersible platform; when in flexible connection, because the relative motion of the platforms is caused by factors such as waves and the like, the end parts of the two semi-submersible platforms can generate structural interference, and the two semi-submersible platforms can generate collision.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a connecting device between semi-submersible platforms.
The invention solves the technical problems through the following technical scheme:
a connecting device between semi-submersible platforms is used for connecting a left platform and a right platform; the end part of the left platform is sequentially provided with a first left sunken part, a first left convex part, a second left sunken part and a second left convex part; the end part of the right platform is sequentially provided with a first right convex part, a first right concave part, a second right convex part and a second right concave part; the first right convex part is inserted in the first left concave part; the first left convex part is inserted in the first right concave part; the second right convex part is inserted in the second left concave part; the second left convex part is inserted in the second right concave part; a first rotating shaft is arranged between the first right convex part and the first left convex part; the first rotating shaft penetrates through the first left protruding portion and the first right protruding portion simultaneously; a second rotating shaft is arranged between the first left convex part and the second right convex part and simultaneously penetrates through the first left convex part and the second right convex part; a third rotating shaft is arranged between the second right convex part and the second left convex part; the third rotating shaft penetrates through the second left protruding portion and the second right protruding portion simultaneously; the rotating center line of the first rotating shaft, the rotating center line of the second rotating shaft and the rotating center line of the third rotating shaft are superposed; between first right bulge and the first left depressed part, between first left bulge and the first right depressed part, between second right bulge and the second left depressed part, all do not touch mutually between second left bulge and the second right depressed part.
Preferably, the end face of the first left protruding portion, the end face of the second left protruding portion, the end face of the first right protruding portion and the end face of the second right protruding portion are protruding faces, and the end face of the first left recess, the end face of the second left recess, the end face of the first right recess and the end face of the second right recess are recessed faces. Through the cooperation of protruding face and sunken face, both guaranteed that two platforms can move separately, can not touch each other when making two platforms self-motion again.
Preferably, the convex surface and the concave surface located at opposite positions do not touch each other. The convex surface and the concave surface are not touched with each other, so that mutual collision when the platform moves can be avoided, and damage to the platform is avoided.
Preferably, the convex surface comprises a first arc surface and a first straight surface which are sequentially connected from top to bottom; the concave surface comprises a second arc surface, a third arc surface and a second straight surface which are sequentially connected from top to bottom; the circle center of the first arc surface and the circle center of the third arc surface are superposed and are positioned on the rotation central line of the first rotating shaft; the first flat surface extends in a direction away from the concave surface; the second straight surface extends towards the direction away from the convex surface; the circle center of the second arc surface and the circle center of the third arc surface are respectively positioned at two sides of the concave surface. Thus, the convex surface and the concave surface rotate around the rotation center line of the first rotating shaft, so that the convex surface and the concave surface are not contacted with each other.
Preferably, the first straight surface and the first arc surface are tangent. Therefore, the convex surface is smoother at the joint of the first straight surface and the first arc surface, and the collision between the convex surface and the concave surface can be avoided.
Preferably, the second straight surface and the third arc surface are tangent. Therefore, the concave surface is smoother at the joint of the second straight surface and the third arc surface, and the collision between the convex surface and the concave surface can be avoided.
Preferably, the first left boss, the second left boss, the first right boss and the second right boss each have a chamfered portion. The edge of the stacking port protruding from the end part of the platform is subjected to chamfering treatment and is rounded, so that the ship body is prevented from being damaged by collision in the butt joint process.
The positive progress effects of the invention are as follows: in the invention, the platform transversely adopts a concave-convex pile connection mode, so that the centering accuracy of the left, right, front and back horizontal positions of the butt joint part of the two semi-submersible platform modules is ensured. The end face extending vertically adopts an arc-shaped wall plate which takes the rotating center line of the rotating shaft as a rotating center so as to meet the relative angular displacement requirement of pitching of the two platform modules under waves. The upper parts of the arc-shaped wall plates are designed in a concentric circle line mode, gaps at the butt joint parts are small, and the test personnel can conveniently pass through the two semi-submersible platforms. The lower part of the arc-shaped wall plate adopts an adjustable linear design so as to meet the requirement of relative angular displacement of two platform modules pitching under waves. The invention can ensure that the two semi-submersible platform modules can be reliably and safely connected together without influencing the relative motion of the two semi-submersible platforms. The invention has the advantages of simplicity, safety and reliability.
Drawings
FIG. 1 is a top view of the preferred embodiment of the present invention.
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1.
Detailed Description
The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.
As shown in fig. 1 and 2, a semi-submersible platform-to-platform connection apparatus for connecting a left platform 100 and a right platform 200. Left platform 100 and right platform 200 are both semi-submersible platforms.
The end of the left platform 100 is provided with a first left recess 101, a first left protrusion 102, a second left recess 103 and a second left protrusion 104 in sequence.
The end of the right platform 200 is provided with a first right convex part 201, a first right concave part 202, a second right convex part 203 and a second right concave part 204 in sequence.
The first right convex portion 201 is inserted into the first left concave portion 101; the first left convex portion 102 is inserted into the first right concave portion 202; the second right convex portion 203 is inserted into the second left concave portion 103; the second left protrusion 104 is inserted into the second right recess 204.
A first rotating shaft 500 is arranged between the first right boss 201 and the first left boss 102; the first rotating shaft 500 is simultaneously inserted into the first left boss 102 and the first right boss 201.
A second rotating shaft 600 is arranged between the first left boss 102 and the second right boss 203; the second rotating shaft 600 penetrates through the first left protruding portion 102 and the second right protruding portion 203 at the same time.
A third rotating shaft 700 is arranged between the second right convex part 203 and the second left convex part 104; the third shaft 700 is simultaneously inserted through the second left protrusion 104 and the second right protrusion 203.
The rotation center line of the first rotation shaft 500, the rotation center line of the second rotation shaft 600, and the rotation center line of the third rotation shaft 700 coincide. In fig. 1, the rotation center line 800 is formed by overlapping the rotation center line of the first rotating shaft, the rotation center line of the second rotating shaft, and the rotation center line of the third rotating shaft.
There is no contact between the first right protrusion 201 and the first left recess 101, between the first left protrusion 102 and the first right recess 202, between the second right protrusion 203 and the second left recess 103, or between the second left protrusion 104 and the second right recess 204.
The end surfaces of first left protrusion 102, second left protrusion 104, first right protrusion 201, and second right protrusion 203 are all protrusion surfaces 300, and the end surfaces of first left recess 101, second left recess 103, first right recess 202, and second right recess 204 are recess surfaces 400.
The convex surface 300 and the concave surface 400 located at opposite positions do not touch each other.
The convex surface 300 comprises a first arc surface 301 and a first straight surface 302 which are sequentially connected from top to bottom; the concave surface 400 comprises a second arc surface 401, a third arc surface 402 and a second straight surface 403 which are sequentially connected from top to bottom; the circle center of the first arc surface 301 and the circle center of the third arc surface 402 are superposed and are both positioned on the rotation central line of the first rotating shaft; the first flat surface 302 extends away from the recessed surface 400; the second straight surface 403 extends away from the convex surface 300; the center of the second arc surface 401 and the center of the third arc surface 402 are located on two sides of the concave surface 400 respectively.
The included angle of the first straight surface and the first arc surface and the included angle of the second straight surface and the third arc surface can be adjusted according to the wave environments of different sea areas and the relative angular displacement of the platform, and the device can be freely opened and closed without interference.
In this embodiment, the first straight surface 302 is tangent to the first arc surface 301. The second straight surface 403 and the third arc surface 402 are tangent. Therefore, the convex surface and the concave surface have the characteristic of smoothness, and the collision between the convex surface and the concave surface is avoided.
As shown in fig. 1, each of the first left boss 102, the second left boss 104, the first right boss 201, and the second right boss 203 has a chamfered portion 900. The edge of the stacking port protruding from the end part of the platform is subjected to chamfering treatment and is rounded, so that the ship body is prevented from being damaged by collision in the butt joint process.
The invention can ensure that the two semi-submersible platform modules can be reliably and safely connected together without influencing the relative motion of the two semi-submersible platforms.
In the invention, the platform transversely adopts a concave-convex pile connection mode, so that the centering accuracy of the left, right, front and back horizontal positions of the butt joint part of the two semi-submersible platform modules is ensured.
The end face extending vertically adopts an arc-shaped wall plate which takes the rotating center line of the rotating shaft as a rotating center so as to meet the relative angular displacement requirement of pitching of the two platform modules under waves.
The upper parts of the arc-shaped wall plates are designed in a concentric circle line mode, gaps at the butt joint parts are small, and the test personnel can conveniently pass through the two semi-submersible platforms.
The lower part of the arc-shaped wall plate adopts an adjustable linear design so as to meet the requirement of relative angular displacement of two platform modules pitching under waves.
The invention can meet the reliable and safe connection of two semi-submersible platforms and meet the use requirement of marine test verification. The invention has the advantages of simplicity, safety and reliability.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (1)
1. A connecting device between semi-submersible platforms is used for connecting a left platform and a right platform; the left platform is characterized in that a first left sunken part, a first left convex part, a second left sunken part and a second left convex part are sequentially arranged at the end part of the left platform; the end part of the right platform is sequentially provided with a first right convex part, a first right concave part, a second right convex part and a second right concave part; the first right convex part is inserted in the first left concave part; the first left convex part is inserted in the first right concave part; the second right convex part is inserted in the second left concave part; the second left convex part is inserted in the second right concave part; a first rotating shaft is arranged between the first right convex part and the first left convex part; the first rotating shaft penetrates through the first left protruding portion and the first right protruding portion simultaneously; a second rotating shaft is arranged between the first left convex part and the second right convex part and simultaneously penetrates through the first left convex part and the second right convex part; a third rotating shaft is arranged between the second right convex part and the second left convex part; the third rotating shaft penetrates through the second left protruding portion and the second right protruding portion simultaneously; the rotating center line of the first rotating shaft, the rotating center line of the second rotating shaft and the rotating center line of the third rotating shaft are superposed; the first right convex part and the first left concave part, the first left convex part and the first right concave part, the second right convex part and the second left concave part, and the second left convex part and the second right concave part are not in contact with each other; the end surfaces of the first left convex part, the second left convex part, the first right convex part and the second right convex part are convex surfaces, and the end surfaces of the first left concave part, the second left concave part, the first right concave part and the second right concave part are concave surfaces; the convex surface and the concave surface which are positioned at opposite positions do not touch each other; the convex surface comprises a first arc surface and a first straight surface which are sequentially connected from top to bottom; the concave surface comprises a second arc surface, a third arc surface and a second straight surface which are sequentially connected from top to bottom; the circle center of the first arc surface and the circle center of the third arc surface are superposed and are positioned on the rotation central line of the first rotating shaft; the first flat surface extends in a direction away from the concave surface; the second straight surface extends towards the direction away from the convex surface; the circle center of the second arc surface and the circle center of the third arc surface are respectively positioned at two sides of the concave surface; the first straight surface is tangent to the first arc surface; the second straight surface is tangent to the third arc surface; the first left boss, the second left boss, the first right boss, and the second right boss each have a chamfered portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262341.0A CN109178230B (en) | 2018-10-27 | 2018-10-27 | Connecting device between semi-submersible platforms |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262341.0A CN109178230B (en) | 2018-10-27 | 2018-10-27 | Connecting device between semi-submersible platforms |
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| Publication Number | Publication Date |
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| CN109178230A CN109178230A (en) | 2019-01-11 |
| CN109178230B true CN109178230B (en) | 2020-07-31 |
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| CN201811262341.0A Active CN109178230B (en) | 2018-10-27 | 2018-10-27 | Connecting device between semi-submersible platforms |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3145681A (en) * | 1962-06-25 | 1964-08-25 | Shin Mitsubishi Jukogyo Kk | Hull construction |
| JPS5132891U (en) * | 1974-09-03 | 1976-03-10 | ||
| JPS59223595A (en) * | 1983-06-03 | 1984-12-15 | Masayuki Cho | Push boat |
| CN202642049U (en) * | 2012-03-20 | 2013-01-02 | 郭志贵 | Courtyard type overwater floating building ship |
| KR20140055306A (en) * | 2012-10-31 | 2014-05-09 | 대우조선해양 주식회사 | Structure for installing auxiliary module to topside of marine structures and method thereof |
| CN102923267B (en) * | 2012-11-08 | 2015-11-25 | 江苏现代造船技术有限公司 | The vertical registration device of the floating structures model calling |
| CN205770042U (en) * | 2016-05-10 | 2016-12-07 | 广新海事重工股份有限公司 | A kind of ocean work platforms |
| CN205738000U (en) * | 2016-06-14 | 2016-11-30 | 青岛理工大学 | Buoyancy tank connector for ocean platform swing column |
| US10202172B2 (en) * | 2016-10-05 | 2019-02-12 | Naviform Consulting & Research Ltd. | Articulating tug barge hull |
| CN207141336U (en) * | 2017-08-14 | 2018-03-27 | 大连船舶重工集团有限公司 | Large-scale partly latent floating platform sea attachment structure |
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