CN202658589U - Spud leg structure for self-elevating drilling platform and spud leg with structure - Google Patents
Spud leg structure for self-elevating drilling platform and spud leg with structure Download PDFInfo
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- CN202658589U CN202658589U CN 201220303945 CN201220303945U CN202658589U CN 202658589 U CN202658589 U CN 202658589U CN 201220303945 CN201220303945 CN 201220303945 CN 201220303945 U CN201220303945 U CN 201220303945U CN 202658589 U CN202658589 U CN 202658589U
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- Prior art keywords
- plate
- chord member
- leg structure
- pile leg
- rack
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- 238000005553 drilling Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 238000010276 construction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 210000000515 tooth Anatomy 0.000 description 39
- 238000003466 welding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 241000826860 Trapezium Species 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model discloses a spud leg structure for a self-elevating drilling platform and a spud leg with the structure. The spud leg comprises the spud leg structure and a structure pipe, the spud leg structures are connected to form a triangular truss structure by the structure pipes, the spud leg structure comprises a stepped rack and a chord, the stepped rack and the chord are connected, a framework structure with trapezoid cross section is encircled jointly by the stepped rack and the chord. The spud leg structure overcomes the defect of the prior art; by the spud leg structure, the steel plate consumption can be reduced during cutting, the rack also can have better supporting capability, meanwhile, process of reducing a pressed round pipe also can be reduced, and internal stress of a material caused by a pressing process is eliminated.
Description
Technical field
The utility model relates to a kind of spud leg of self-lifting type marine drilling platform, and is particularly a kind of high-intensity for the pile leg structure of self-elevating drilling platform and the spud leg with this structure.
Background technology
At present in the large ocean offshore boring island, the spud leg tooth bar mostly is the bilateral symmetry half chord member structure that expensive steel plate cuts both at home and abroad, because half chord member is that two semicircles are by the rear forging forming of heating, required hydraulic test cost is very high, and the internal stress that material produces in manufacturing process is difficult to eliminate.For example, application number is " 201010115089 ", and name is called disclosed pile leg structure in the Chinese invention patent application of " truss framed leg folding method of jack-up drilling platform ".Referring to Fig. 1, Fig. 1 is the force analysis of finite element cloud atlas of the spud leg of prior art.Can find out among the figure that the stress of spud leg zone line is very little, and the little zone of stress is larger, the utilization rate of illustrative material is lower, and the raising of spud leg intensity is not had much effects yet.
The utility model content
Technical problem to be solved in the utility model provides a kind of defective that overcomes above-mentioned prior art, and construction is simple, strong operability and the spud leg that can be widely used in the pile leg structure of self-elevating drilling platform and have this structure.
To achieve these goals, the utility model provides a kind of pile leg structure for self-elevating drilling platform, wherein, comprises notch cuttype tooth bar and chord member, described notch cuttype tooth bar is connected with described chord member, and it is trapezoidal frame construction that described notch cuttype tooth bar and described chord member are enclosed a cross section jointly.
Above-mentioned pile leg structure, wherein, described notch cuttype tooth bar comprises rack-plate and tooth bar connecting plate, the two ends of described tooth bar connecting plate are the described rack-plate of symmetrical connection respectively, described chord member comprises chord member web chord face plate, the two ends of described chord member panel are connected with an end of described chord member web respectively, and the other end of described chord member web is connected with described rack-plate respectively.
Above-mentioned pile leg structure, wherein, described rack-plate and described tooth bar connecting plate are positioned at same plane.
Above-mentioned pile leg structure, wherein, a side of described rack-plate is plane structure, and the opposite side of described rack-plate is broached-tooth design, and described sawtooth evenly distributes, and described rack-plate is that a side of plane structure is connected with described tooth bar connecting plate.
Above-mentioned pile leg structure, wherein, described sawtooth is stepped tooth, the addendum width of described stepped tooth equates with the tooth root width.
Above-mentioned pile leg structure, wherein, described rack-plate and described tooth bar connecting plate are for being welded to connect part.
Above-mentioned pile leg structure, wherein, described chord member web and described chord member panel are for being welded to connect part, and described chord member web and described rack-plate are for being welded to connect part.
Above-mentioned pile leg structure, wherein, described rack-plate is the band tooth steel plate of 150～180 millimeters of thickness, described tooth bar connecting plate is the steel plate of 70～100 millimeters of thickness.
Above-mentioned pile leg structure, wherein, described chord member web is the steel plate of 60～80 millimeters of thickness, described chord member panel is the steel plate of 90～110 millimeters of thickness.
In order to realize better above-mentioned purpose, the utility model also provides a kind of spud leg for self-elevating drilling platform, comprises pile leg structure and structural tube, and described pile leg structure is connected to English truss formula structure by described structural tube, wherein, described pile leg structure is above-mentioned pile leg structure.
Beneficial functional of the present utility model is:
The utility model has overcome the shortcoming of prior art, and this pile leg structure both can reduce the use amount of steel plate in the process of cutting, can make again tooth bar obtain better enabling capabilities.By reducing the use amount of steel plate, the mode that pile leg structure adopts steel plate and steel sheet to combine forms rack structure, be welded into the function that trapezium structure replaces half chord member of the prior art with steel sheet, both reduced the complicated pressing process problem that half chord member brings of suppressing, reduced again the consumption of steel plate, and improved the mechanical property of whole spud leg on the basis of equivalent steel consumption, reached the higher utilization rate of steel plate.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to restriction of the present utility model.
Description of drawings
Fig. 1 is the force analysis of finite element cloud atlas of the spud leg of prior art;
Fig. 2 is spud leg schematic diagram of the present utility model;
Fig. 3 is pile leg structure schematic diagram of the present utility model;
Fig. 4 A is notch cuttype rack structure schematic diagram of the present utility model;
Fig. 4 B is the top view of Fig. 4 A;
Fig. 5 is chord member structural representation of the present utility model;
Fig. 6 is the force analysis of finite element cloud atlas of spud leg of the present utility model.
Wherein, Reference numeral
1 pile leg structure
11 notch cuttype tooth bars
111 rack-plates
1111 plane structures
1112 broached-tooth designs
1113 stepped tooths
The L addendum width
M tooth root width
D rack-plate thickness
112 tooth bar connecting plates
B tooth bar connecting plate thickness
12 chord members
121 chord member webs
T chord member web thickness
122 chord member panels
N chord member plate thickness
2 structural tube
The specific embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operating principle are done concrete description:
Referring to Fig. 2, Fig. 2 is pile leg structure schematic diagram of the present utility model.Spud leg for self-elevating drilling platform of the present utility model comprises pile leg structure 1 and structural tube 2, and described pile leg structure 1 is connected to English truss formula structure by described structural tube 2.Because other part-structures of this pile leg structure, shape, mutual alignment relation and annexation are ripe prior art, therefore not to repeat here, and the below is only described in detail this pile leg structure 1.
Referring to Fig. 3, Fig. 3 is pile leg structure schematic diagram of the present utility model.Pile leg structure 1 for self-elevating drilling platform of the present utility model, comprise notch cuttype tooth bar 11 and chord member 12, described notch cuttype tooth bar 11 is connected with described chord member 12, and it is trapezoidal frame construction that described notch cuttype tooth bar 11 and described chord member 12 are enclosed a cross section jointly.
Referring to Fig. 4 A, 4B and Fig. 5, Fig. 4 A is notch cuttype rack structure schematic diagram of the present utility model, and Fig. 4 B is the top view of Fig. 4 A, and Fig. 5 is chord member structural representation of the present utility model.In the present embodiment, described notch cuttype tooth bar 11 comprises rack-plate 111 and tooth bar connecting plate 112, the two ends of described tooth bar connecting plate 112 are the described rack-plate 111 of symmetrical connection respectively, described chord member 12 comprises chord member web 121 chord face plate 122, the two ends of described chord member panel 122 are connected with an end of described chord member web 121 respectively, and the other end of described chord member web 121 is connected with described rack-plate 111 respectively.Described rack-plate 111 is positioned at same plane with described tooth bar connecting plate 112.One side of described rack-plate 111 is plane structure 1111, and the opposite side of described rack-plate 111 is broached-tooth design 1112, and described sawtooth evenly distributes, and the side that described rack-plate 111 is plane structure 1111 is connected with described tooth bar connecting plate 112.Described sawtooth is stepped tooth 1113, and the addendum width L of described stepped tooth 1113 equates with tooth root width M.Described rack-plate 111 is preferably with described tooth bar connecting plate 112 and is welded to connect part.Described chord member web 121 is preferably with described chord member panel 122 and is welded to connect part, and described chord member web 121 is preferably with described rack-plate 111 and is welded to connect part.Described rack-plate 111 is preferably thickness D greatly about 150～180 millimeters band tooth steel plate, and described tooth bar connecting plate 112 is preferably thickness B greatly about 70～100 millimeters steel plate.Described chord member web 121 be thickness T greatly about 60～80 millimeters steel plate, described chord member panel 122 is that thickness N is greatly about 90～110 steel plate.
In an embodiment of the present utility model, described rack-plate 111 quantity are 2, and an end links to each other with tooth bar connecting plate 112 by welding manner, and an end links to each other with chord member web 121 by welding manner, described tooth bar connecting plate 112 quantity are 1, link to each other with described rack-plate 111 by welding.Described chord member web 121 quantity are 2, and an end links to each other with chord member panel 122 two ends by welding manner, and the other end links to each other with rack-plate 111 by welding manner.Described chord member panel 122 quantity are 1, link to each other with described chord member web 121 by welding manner.Be that pile leg structure 1 in the present embodiment comprises that it is trapezoidal frame construction that 112,1 chord member panels 122 of 111,1 tooth bar connecting plates of 2 rack-plates and 2 blocks of chord member webs 121 form cross sections.Wherein 2 rack-plates 111 are welded on the two ends of 1 tooth bar connecting plate 112 and form notch cuttype tooth bar 11,2 blocks of chord member webs 121 are welded to the two ends composition chord member 12 of 1 chord member panel 122, and chord member 12 connects together by the mode of welding with notch cuttype tooth bar 11 and forms trapezoidal pile leg structure 1.
The utility model is by reducing the use amount of steel plate, the mode that pile leg structure 1 adopts steel plate and steel sheet to combine forms rack structure, the chord member that is welded into trapezium structure with steel sheet replaces the function of half chord member of the prior art, both reduced the complicated pressing process problem that half chord member brings of suppressing, reduced again the consumption of steel plate, and improved the mechanical property of whole spud leg on the basis of equivalent steel consumption, this pile leg structure both can reduce the use amount of steel plate in the process of cutting, can make again tooth bar obtain better enabling capabilities (referring to Fig. 6, Fig. 6 is the force analysis of finite element cloud atlas of spud leg of the present utility model), reach the higher utilization rate of steel plate, overcome the defective of prior art.
Certainly; the utility model also can have other various embodiments; in the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. a pile leg structure that is used for self-elevating drilling platform is characterized in that comprise notch cuttype tooth bar and chord member, described notch cuttype tooth bar is connected with described chord member, and it is trapezoidal frame construction that described notch cuttype tooth bar and described chord member are enclosed a cross section jointly.
2. pile leg structure as claimed in claim 1, it is characterized in that, described notch cuttype tooth bar comprises rack-plate and tooth bar connecting plate, the two ends of described tooth bar connecting plate are the described rack-plate of symmetrical connection respectively, described chord member comprises chord member web chord face plate, the two ends of described chord member panel are connected with an end of described chord member web respectively, and the other end of described chord member web is connected with described rack-plate respectively.
3. pile leg structure as claimed in claim 2 is characterized in that, described rack-plate and described tooth bar connecting plate are positioned at same plane.
4. pile leg structure as claimed in claim 3 is characterized in that, a side of described rack-plate is plane structure, and the opposite side of described rack-plate is broached-tooth design, and described sawtooth evenly distributes, and described rack-plate is that a side of plane structure is connected with described tooth bar connecting plate.
5. pile leg structure as claimed in claim 4 is characterized in that, described sawtooth is stepped tooth, and the addendum width of described stepped tooth equates with the tooth root width.
6. pile leg structure as claimed in claim 5 is characterized in that, described rack-plate and described tooth bar connecting plate are for being welded to connect part.
7. pile leg structure as claimed in claim 5 is characterized in that, described chord member web and described chord member panel are for being welded to connect part, and described chord member web and described rack-plate are for being welded to connect part.
8. pile leg structure as claimed in claim 6 is characterized in that, described rack-plate is the band tooth steel plate of 150～180 millimeters of thickness, and described tooth bar connecting plate is the steel plate of 70～100 millimeters of thickness.
9. pile leg structure as claimed in claim 7 is characterized in that, described chord member web is the steel plate of 60～80 millimeters of thickness, and described chord member panel is the steel plate of thickness 90～110.
10. spud leg that is used for self-elevating drilling platform, comprise pile leg structure and structural tube, described pile leg structure is connected to English truss formula structure by described structural tube, it is characterized in that, described pile leg structure is the described pile leg structure of any one in the above-mentioned claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303945 CN202658589U (en) | 2012-06-27 | 2012-06-27 | Spud leg structure for self-elevating drilling platform and spud leg with structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220303945 CN202658589U (en) | 2012-06-27 | 2012-06-27 | Spud leg structure for self-elevating drilling platform and spud leg with structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202658589U true CN202658589U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303945 Expired - Fee Related CN202658589U (en) | 2012-06-27 | 2012-06-27 | Spud leg structure for self-elevating drilling platform and spud leg with structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369789A (en) * | 2015-09-28 | 2016-03-02 | 南通中远船务工程有限公司 | Self-elevating platform pile washing system structure |
-
2012
- 2012-06-27 CN CN 201220303945 patent/CN202658589U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369789A (en) * | 2015-09-28 | 2016-03-02 | 南通中远船务工程有限公司 | Self-elevating platform pile washing system structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20200627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |