CN204473084U - Connection structure, the column with this connection structure and semisubmersible platform - Google Patents
Connection structure, the column with this connection structure and semisubmersible platform Download PDFInfo
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- CN204473084U CN204473084U CN201520150014.1U CN201520150014U CN204473084U CN 204473084 U CN204473084 U CN 204473084U CN 201520150014 U CN201520150014 U CN 201520150014U CN 204473084 U CN204473084 U CN 204473084U
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Abstract
The utility model discloses a kind of connection structure, has the column of this connection structure and semisubmersible platform, wherein, connection structure is used for the connection between the column of semisubmersible platform and floating drum or deck box, the junction of described column and floating drum or deck box is square-section, be provided with at the square position place of described square-section to intersect and strengthen structure, it comprises transverse bracket and longitudinal bracket connected vertically with this transverse bracket, wherein, described transverse bracket aligns with the horizontal outside plate of described column, and described longitudinal bracket aligns with longitudinal outside plate of described column.Semisubmersible platform and column thereof include connection structure as above.The utility model strengthens structure by arranging to intersect at the connecting joint place of column and floating drum or deck box, improve the fatigue life at this connecting joint place, and then improve the fatigue life of pillar construction itself, reduce difficulty of construction, improve the reliability and security of whole semi-submersible type platform structure.
Description
Technical field
The utility model relates to seagoing ship and ocean engineering field, particularly relates to a kind of connection structure, has the column of this connection structure and semisubmersible platform.
Background technology
Semisubmersible platform primarily of floating drum, be fixed on the column above floating drum and the deck box be fixed on above column is formed.This semisubmersible platform has good exercise performance, and the deck variable load of floating drum is comparatively large, is widely used in probing and the exploitation of Marine oil and gas resource.
In order to improve stability and the exercise performance of semisubmersible platform, during design, often require that the width of floating drum is greater than the width of column.At present, existing semisubmersible platform usually by circular for column design cross section or rounding square-section, and then is directly welded on floating drum or deck box.To the connecting joint place of column and floating drum or deck box be caused to produce the concentrated phenomenon of very serious stress like this, fatigue failure is there is by causing the connecting joint place of column and floating drum or deck box, and then cause the fatigue life at the connecting joint place of column and floating drum or deck box very low, and difficulty of construction is very large, need inside floating drum, increase multiple reinforcement structure, reduce the reliability and security of whole semi-submersible type platform structure.
Utility model content
The utility model is to provide a kind of connection structure, have the column of this connection structure and semisubmersible platform, fatigue failure is there is for solving in prior art semisubmersible platform due to the connecting joint place of column and floating drum or deck box, cause the fatigue life at the connecting joint place of column and floating drum or deck box very low, and difficulty of construction is very large, reduces the problem of the reliability and security of whole semi-submersible type platform structure.
In order to solve the problems of the technologies described above, technical scheme that the utility model adopts is:
The utility model proposes a kind of connection structure, for the connection between the column of semisubmersible platform and floating drum or deck box, the junction of described column and floating drum or deck box is square-section, be provided with at the square position place of described square-section to intersect and strengthen structure, it comprises transverse bracket and longitudinal bracket connected vertically with this transverse bracket, wherein, described transverse bracket aligns with the horizontal outside plate of described column, and described longitudinal bracket aligns with longitudinal outside plate of described column.
Further, described transverse bracket is soft toe bracket, and its hypotenuse is arc-shaped; Described longitudinal bracket is soft toe bracket, and its hypotenuse is arc-shaped.
Further, the vertical edge of described transverse bracket welds with the horizontal outside plate of described column, and its horizontal sides is welded with the deck of described floating drum.
Further, the arc radius of the hypotenuse of described transverse bracket is not less than the length of side of its vertical edge or horizontal sides.
Further, longitudinal outside plate one cutting forming of described longitudinal bracket and described column.
Further, the vertical edge of described longitudinal bracket and the length of horizontal sides are all not less than 1800 mm.
Further, the soft toe length of described longitudinal bracket is not less than 1/6 of the length of side of its vertical edge or horizontal sides.
Further, the arc radius of the hypotenuse of described longitudinal bracket is not less than the length of side of its vertical edge or horizontal sides and the difference of described soft toe length.
The utility model also proposes a kind of column, and for semisubmersible platform, it comprises the cylinder be connected between deck box and floating drum, and it also comprises connection structure as above.
Further, be rounding square-section in the middle part of described cylinder, its both ends are square-section, and the corner positions place in the middle part of described cylinder and between its both ends is provided with a conical transition structure, to make column from square-section to the transition of rounding square-section.
Further, be rounding square-section in the middle part of described cylinder, the rounding radii in the middle part of described cylinder is not less than 1/10 of its cross section length of side.
Further, the height in the middle part of described cylinder is 0.4-0.8 times of described stem height.
The utility model also proposes a kind of semisubmersible platform, it comprises floating drum, be fixed on column above described floating drum, be fixed on deck box above described column and connection structure as above, wherein, described connection structure is alignd with the vertical structure in described floating drum.
Further, vertical structure in described floating drum comprises: the longitudinal bulkhead below the longitudinal outside plate being positioned at described column, the crossbeam extended by longitudinal bulkhead two ends and be vertically installed in the transcerse bulkhead at longitudinal bulkhead two ends, wherein, described transcerse bulkhead is positioned at the below of the horizontal outside plate of described column, and align with described transverse bracket, described longitudinal bracket aligns with described crossbeam.
Further, the length of described crossbeam is not less than 3 m.
Further, be connected with stull between two columns on different floating drum, described intersection reinforcement structure is positioned at the side that described column is connected with this stull.
Compared with prior art, connection structure of the present utility model, there is column and the semisubmersible platform of this connection structure, there is following beneficial effect: strengthen structure by arranging to intersect at the connecting joint place of column and floating drum or deck box, make whole semi-submersible type platform structure rigid transition steady, Stress transmit is reasonable, effectively eliminate the phenomenon that column and floating drum or the stress of deck box at this connecting joint place are concentrated, improve the fatigue life at this connecting joint place, and then improve the fatigue life of pillar construction itself, reduce difficulty of construction, improve the reliability and security of whole semi-submersible type platform structure.
Accompanying drawing explanation
Fig. 1 is the front view of semisubmersible platform of the present utility model.
Fig. 2 is the lateral plan of semisubmersible platform of the present utility model.
Fig. 3 is the A-A direction view of the floating drum of the semisubmersible platform of Fig. 2.
Fig. 4 is the B-B direction view of the column of the semisubmersible platform of Fig. 2.
Fig. 5 is the C-C direction view of Fig. 4.
Fig. 6 is the D-D direction view of Fig. 4.
Fig. 7 is the block diagram of connection structure of the present utility model.
Wherein, description of reference numerals is as follows:
100, semisubmersible platform; 1, deck box; 2, column; 21, horizontal outside plate; 22, longitudinal outside plate; 23, in the middle part of cylinder; 231, arc plate; 24, conical transition structure; 241, circular cone plate; 25, intersection strengthens structure; 251, transverse bracket; 252, longitudinal bracket; 26, cylindrical end portions; 3, floating drum; 31, transcerse bulkhead; 32, longitudinal bulkhead; 33, crossbeam; 4, stull.
Detailed description of the invention
Below with reference to accompanying drawing, elaboration is further given to the utility model.
Refer to Fig. 1-2 and Fig. 5-6, a kind of semisubmersible platform 100 that the utility model provides, it deck box 1 comprising floating drum 3, be fixed on the column 2 above floating drum 3 and be fixed on above column 2.Wherein, column 2 is square-section with the junction of floating drum 3 or deck box 1, be provided with to intersect strengthen structure 25 at the square position place (hereinafter referred to as the connecting joint place of column 2 and floating drum 3 or deck box 1) of those square-sections, it comprises transverse bracket 251 and longitudinal bracket 252 connected vertically with transverse bracket 251, to eliminate the phenomenon that column 2 is concentrated with floating drum 3 or the stress of deck box 1 at connecting joint place.Those square-sections can be square-sections, and also can be rectangular cross-sectional, the utility model be as limit.
Except column 2 and the junction of floating drum 3, deck box 1, the utility model not structure of the other parts of column 2 is done specifically to limit, and it can be any conventional construction of the prior art.Such as, the structure of the other parts of column 2 can be round section, can square-section, also can be rounding square-section.
See also Fig. 4 and Fig. 7, in the present embodiment, column 2 comprises the cylinder be connected between deck box 1 and floating drum 3, and it is alternately surrounded successively by two horizontal outside plates 21 and two longitudinal outside plates 22 and forms.Cylinder both ends 26 are square-section, and namely column 2 is square-section with the junction of floating drum 3, and column 2 is also square-section with the junction of deck box 1.Wherein, the square-section of the present embodiment is square-section.
In the middle part of cylinder, 23 is rounding square-section.Corner positions place in the middle part of cylinder between 23 and its both ends 26 is connected with conical transition structure 24, makes column 2 be transitioned into rounding square-section by square-section, to eliminate the fatigue failure that column 2 occurs due to the change in cross section itself.
Particularly, in the middle part of cylinder, the height of 23 is 0.4-0.8 times of column 2 height.
In the middle part of cylinder, 23 comprise the arc plate 231 being arranged at rounding place, and the radius of this arc plate 231 is not less than 1/10 of the rounding square-section length of side of in the middle part of cylinder 23.Multiple equidistant ring muscle is set in this arc plate 231.Distance wherein between the position of a ring muscle and the commissure of conical transition structure 24 is 35mm, when stress is transmitted between arc plate 231 and conical transition structure 24, the extra moment of flexure that this commissure produces can be born by the rigidity of this ring muscle itself, improve the fatigue life of this commissure, and then improve the fatigue life of in the middle part of cylinder 23.
Conical transition structure 24 comprises circular cone plate 241, and one end of this circular cone plate 241 is connected to the arc plate 231 of in the middle part of cylinder 23, and the other end is connected to the corner positions place of cylindrical end portions 26, and column is seamlessly transitted from square-section to rounding square-section.This circular cone plate 241 is equal with arc plate 231 thickness connected, and adopt completepenetration uniform thickness docking welding, thus the extra-stress eliminating welding process generation is concentrated, and improves the fatigue life of this butt weld, and then improves the fatigue life of conical transition structure 24.
All the other structures of conical transition structure 24 and column 2 all can adopt structure of the prior art, and this is no longer going to repeat them.
As shown in Figure 2, be fixed between two columns 2 on same floating drum 3 and connect without stull 4.As shown in Figure 1, be fixed between two columns 2 on different floating drum 3 and be connected with stull 4, with the stability of the stability and semisubmersible platform 100 that improve column 2.The utility model not size of column 2 and floating drum 3, form and quantity is done specifically to limit, it is not only applicable to the semisubmersible platform 100 of four columns 2, be applicable to the semisubmersible platform 100 of many columns 2 too, be particularly useful for the semisubmersible platform 100 that column 2 width is less than floating drum 3 width.
Refer to Fig. 1 again, in the present embodiment, be provided with to intersect with the connecting joint place of floating drum 3, deck box 1 inside the column 2 being only connected with stull 4 and strengthen structure 25, then be not provided with to intersect with the connecting joint place of floating drum 3, deck box 1 outside column 2 and strengthen structure 25, but adopt outside the column 2 in conventional design and directly run through be connected with floating drum 3, deck box 1.Because the Fatigue Failures outside column 2 is far from serious inside column 2, therefore, only connecting joint place, inner side is provided with to intersect and strengthens structure 25, to eliminate the fatigue failure occurred with the connecting joint place of floating drum 3 inside column 2, the fatigue life of column 2 structure itself can be improved equally, 5 – 10 times can be improved fatigue life.
It is worth mentioning that, when the width of column 2 continues to reduce, when making the longitudinal outside plate 22 outside column 2 have certain distance with the exterior boundary of floating drum 3, deck box 1, also structure 25 can be strengthened by arranging to intersect with the connecting joint place of floating drum 3, deck box 1 outside column 2, eliminate the fatigue failure occurred with the connecting joint place of floating drum 3, deck box 1 outside column 2, to improve the fatigue life of column 2 structure itself, fatigue life also can improve 5 – 10 times.
See also Fig. 3, intersect and strengthen structure 25 and align with the vertical structure in floating drum 3, the vertical structure in this floating drum 3 comprises: the longitudinal bulkhead 32 below the longitudinal outside plate 22 being positioned at column 2, the crossbeam 33 extended by longitudinal bulkhead 32 two ends and be vertically installed in the transcerse bulkhead 31 at longitudinal bulkhead 32 two ends.Longitudinal bulkhead 32 is the deck of floating drum 3 with the deck on transcerse bulkhead 31 top.Wherein, transcerse bulkhead 31 is positioned at the below of the horizontal outside plate 21 of column 2, and aligns with transverse bracket 251, and longitudinal bracket 252 aligns with crossbeam 33.
In one embodiment, the crossbeam 33 that length is not less than 3 m is respectively extended at longitudinal bulkhead 32 two ends.This crossbeam 33 is the high web of T-shaped structure, and its minor face is concordant with the horizontal outside plate 21 of column 2, and its long limit is concordant with the deck of floating drum 3.
It should be noted that, strengthen structure 25 if be provided with to intersect with the connecting joint place of floating drum 3 inside column 2, then longitudinal outside plate 22 arranged beneath of longitudinal bulkhead 32 inside column 2, strengthen structure 25 with the intersection be aligned in inside this column 2.Strengthen structure 25 if be provided with to intersect with the connecting joint place of floating drum 3 outside column 2, then longitudinal outside plate 22 arranged beneath of longitudinal bulkhead 32 outside column 2, strengthen structure 25 with the intersection be aligned in outside this column 2.
Refer to Fig. 5-7 again, reinforcement structure 25 of intersecting comprises transverse bracket 251 and longitudinal bracket 252 connected vertically with transverse bracket 251.Wherein, transverse bracket 251 aligns with the horizontal outside plate 21 of column, and longitudinal bracket 252 aligns with longitudinal outside plate 22 of column, to eliminate the fatigue failure that column 2 occurs with the connecting joint place of floating drum 3, deck box 1.
Particularly, transverse bracket 251 and longitudinal bracket 252 are soft toe bracket.At this illustratively, soft toe bracket refers to the bracket with soft toe form, namely the free edge (one side of namely not welding) of bracket extends part from certain length to two ends forms the soft toe of bracket, this certain length is soft toe length, to make the rigidity of bracket be reduced to zero gradually, the toe-end of bracket is avoided to occur hard spot.
Transverse bracket 251 has three limits, and its vertical edge welds with the horizontal outside plate 21 of column 2, and its horizontal sides is welded with the deck on transcerse bulkhead 31 top, and this two welding manner all adopts full penetration mode.The hypotenuse of transverse bracket 251 is arc-shaped, and the arc radius of this hypotenuse is not less than the length of side of vertical edge or horizontal sides.The thickness of transverse bracket 251 and the consistency of thickness of corresponding transcerse bulkhead 31.
Longitudinal bracket 252 also has three limits: vertical edge, horizontal sides and hypotenuse.Longitudinal vertical edge of bracket 252 and the length of horizontal sides are all not less than 1800 millimeters, and its soft toe length is not less than 1/6th of the length of side of its vertical edge or horizontal sides.The hypotenuse of longitudinal bracket 252 is arc-shaped, and the arc radius of this hypotenuse is not less than the length of side of vertical edge or horizontal sides and the difference of soft toe length.
In the present embodiment, longitudinal outside plate 22 one cutting forming of longitudinal bracket 252 and column 2, the entirety that longitudinal bracket 252 is formed with the longitudinal outside plate 22 of part, then be welded in by full penetration mode on the deck on longitudinal bulkhead 32 top.The weld seam between longitudinal bracket 252 and longitudinal outside plate 22 can be reduced like this, improve column 2 structure itself the fatigue life of this position.
Certainly, according to the different requirements of the fatigue life of different application scene column 2, longitudinal bracket 252 also can be that its vertical edge welds with longitudinal outside plate 22 of column 2, and its horizontal sides is welded with the deck on longitudinal bulkhead 32 top, and the utility model is not limited this.
Foregoing; be only preferred embodiment of the present utility model; not for limiting embodiment of the present utility model; those of ordinary skill in the art are according to central scope of the present utility model and spirit; can carry out corresponding flexible or amendment very easily, therefore protection domain of the present utility model should be as the criterion with the protection domain required by claims.
Claims (12)
1. a connection structure, for the connection between the column of semisubmersible platform and floating drum or deck box, it is characterized in that, the junction of described column and floating drum or deck box is square-section, be provided with at the square position place of described square-section to intersect and strengthen structure, it comprises transverse bracket and longitudinal bracket connected vertically with this transverse bracket, wherein, described transverse bracket aligns with the horizontal outside plate of described column, and described longitudinal bracket aligns with longitudinal outside plate of described column.
2. connection structure as claimed in claim 1, it is characterized in that, described transverse bracket is soft toe bracket, and its hypotenuse is arc-shaped; Described longitudinal bracket is soft toe bracket, and its hypotenuse is arc-shaped.
3. connection structure as claimed in claim 2, it is characterized in that, the vertical edge of described transverse bracket welds with the horizontal outside plate of described column, and its horizontal sides is welded with the deck of described floating drum.
4. connection structure as claimed in claim 3, it is characterized in that, the arc radius of the hypotenuse of described transverse bracket is not less than the length of side of its vertical edge or horizontal sides.
5. connection structure as claimed in claim 1, is characterized in that, longitudinal outside plate one cutting forming of described longitudinal bracket and described column.
6. connection structure as claimed in claim 2, it is characterized in that, the vertical edge of described longitudinal bracket and the length of horizontal sides are all not less than 1800 mm.
7. connection structure as claimed in claim 6, it is characterized in that, the soft toe length of described longitudinal bracket is not less than 1/6 of the length of side of its vertical edge or horizontal sides.
8. connection structure as claimed in claim 7, it is characterized in that, the arc radius of the hypotenuse of described longitudinal bracket is not less than the length of side of its vertical edge or horizontal sides and the difference of described soft toe length.
9. a column, for semisubmersible platform, comprises the cylinder be connected between deck box and floating drum, it is characterized in that, also comprise as arbitrary in claim 1-8 as described in connection structure.
10. column as claimed in claim 9, it is characterized in that, be rounding square-section in the middle part of described cylinder, the rounding radii in the middle part of described cylinder is not less than 1/10 of its cross section length of side.
11. columns as claimed in claim 9, is characterized in that, the height in the middle part of described cylinder is 0.4-0.8 times of described stem height.
12. 1 kinds of semisubmersible platforms, comprise floating drum, be fixed on the column above described floating drum and be fixed on the deck box above described column, it is characterized in that, also comprise as arbitrary in claim 1-8 as described in connection structure, wherein, described connection structure is alignd with the vertical structure in described floating drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520150014.1U CN204473084U (en) | 2015-03-17 | 2015-03-17 | Connection structure, the column with this connection structure and semisubmersible platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520150014.1U CN204473084U (en) | 2015-03-17 | 2015-03-17 | Connection structure, the column with this connection structure and semisubmersible platform |
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| CN204473084U true CN204473084U (en) | 2015-07-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915420A (en) * | 2015-12-28 | 2017-07-04 | 中国国际海运集装箱(集团)股份有限公司 | Extra large frock is standby and its transverse brace structure |
| CN109808850A (en) * | 2019-03-28 | 2019-05-28 | 招商局重工（江苏）有限公司 | A kind of connection structure of semi-submersible offshore engineering platform column and deck box |
-
2015
- 2015-03-17 CN CN201520150014.1U patent/CN204473084U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915420A (en) * | 2015-12-28 | 2017-07-04 | 中国国际海运集装箱(集团)股份有限公司 | Extra large frock is standby and its transverse brace structure |
| CN106915420B (en) * | 2015-12-28 | 2019-02-15 | 中国国际海运集装箱(集团)股份有限公司 | Offshore equipment and its transverse brace structure |
| CN109808850A (en) * | 2019-03-28 | 2019-05-28 | 招商局重工（江苏）有限公司 | A kind of connection structure of semi-submersible offshore engineering platform column and deck box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161110 Address after: 264000 Zhifu East Road, Zhifu District, Shandong, China, No. 70, No. Patentee after: YANTAI CIMC RAFFLES OFFSHORE Ltd. Patentee after: HAIYANG CIMC RAFFLES OFFSHORE Co.,Ltd. Patentee after: China International Shipping (Group) Limited by Share Ltd. Address before: 264000 Zhifu East Road, Zhifu District, Shandong, China, No. 70, No. Patentee before: YANTAI CIMC RAFFLES OFFSHORE Ltd. Patentee before: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 264000 Zhifu East Road, Zhifu District, Yantai, Shandong Province, No. 70 Patentee after: YANTAI CIMC RAFFLES OFFSHORE Ltd. Patentee after: HAIYANG CIMC RAFFLES OFFSHORE Co.,Ltd. Patentee after: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. Address before: 264000 Zhifu East Road, Zhifu District, Yantai, Shandong Province, No. 70 Patentee before: YANTAI CIMC RAFFLES OFFSHORE Ltd. Patentee before: HAIYANG CIMC RAFFLES OFFSHORE Co.,Ltd. Patentee before: China International Shipping (Group) Limited by Share Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230216 Address after: 1F-16, Group C, Qianhai Shenzhen Hong Kong Innovation Center, No. 4008, Menghai Avenue, Nanshan Street, Qianhai Shenzhen Hong Kong Cooperation Zone, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Intelligent Ocean Engineering Innovation Center Co.,Ltd. Patentee after: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. Address before: 264000 Zhifu East Road, Zhifu District, Yantai, Shandong Province, No. 70 Patentee before: YANTAI CIMC RAFFLES OFFSHORE Ltd. Patentee before: HAIYANG CIMC RAFFLES OFFSHORE Co.,Ltd. Patentee before: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. |
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| TR01 | Transfer of patent right |