CN220565197U - Novel spud leg of marine self-elevating platform - Google Patents
Novel spud leg of marine self-elevating platform Download PDFInfo
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- CN220565197U CN220565197U CN202322041858.XU CN202322041858U CN220565197U CN 220565197 U CN220565197 U CN 220565197U CN 202322041858 U CN202322041858 U CN 202322041858U CN 220565197 U CN220565197 U CN 220565197U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 45
- 238000005728 strengthening Methods 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a novel pile leg of an offshore jack-up platform, which comprises a cylindrical pile leg for supporting the offshore jack-up platform, wherein pile shoes are arranged at the lower end of the pile leg, racks matched with lifting gears are arranged on two opposite outer side walls of the pile leg, horizontal ring ribs and reinforcing support pipes are arranged in the pile leg, the horizontal ring ribs are in a ring shape, the outer circumference of the ring shape is connected with the inner wall of the pile leg, and the horizontal ring ribs are arranged at intervals from the pile shoes to the top of the pile leg; the utility model aims to provide a novel pile leg of an offshore jack-up platform, which is characterized in that the reinforcing support tube is arranged along the radial direction of the pile leg, so that the bending resistance is improved and the weight is reduced based on an offshore platform with the bearing capacity of 1400 tons under the condition of meeting the load capacity of the pile leg.
Description
Technical Field
The utility model belongs to the field of ocean platforms, and particularly relates to a novel pile leg of an offshore jack-up platform.
Background
The ocean platform is a structure for providing production and living facilities for drilling, oil extraction, gathering, observation, navigation, construction and other activities at sea, and mainly comprises a platform part and a supporting part. The offshore jack-up platform mainly comprises pile legs, pile shoes and a lifting system, wherein the pile shoes are fixed at the bottom ends of the pile legs and are generally inserted into sediment on the seabed to bear the pressure of the whole ocean platform. The pile legs are driven by the lifting system to vertically lift, and the ocean platform is lifted off the water surface by means of the support of the pile legs, so that the ocean platform is in a working position. Besides supporting the ocean platform, the pile leg is also subjected to environmental loads such as wind, waves, ocean currents and the like, and the pile leg is required to have good bending resistance. The bending resistance and stability of the jack-up legs are very important to the safety of the ocean platform. In leg design, the wall thickness and diameter of the leg are typically increased, but increasing the wall thickness and diameter of the leg increases the leg weight and increases the load on the lift system.
Disclosure of Invention
In view of the above, the present utility model aims to provide a novel pile leg of an offshore jack-up platform, so as to improve the bending resistance and reduce the weight of the offshore platform with 1400 tons of bearing capacity under the condition of meeting the load capacity of the pile leg.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the novel pile leg of the offshore jack-up platform comprises a cylindrical pile leg for supporting the offshore platform, a pile shoe is arranged at the lower end of the pile leg, racks matched with lifting gears are arranged on the opposite outer side walls of the pile leg, a horizontal annular rib and a reinforcing supporting tube are arranged in the pile leg, the horizontal annular rib is in a circular shape, the outer circumference of the circular shape is connected with the inner wall of the pile leg, and the horizontal annular rib is arranged at intervals from the pile shoe to the top of the pile leg from bottom to top; the reinforcing support pipes are arranged along the radial direction of the pile legs, and two ends of each reinforcing support pipe are erected on the horizontal annular rib; the opposite inner side walls of the pile legs are respectively provided with rack reinforcing ribs, and the tail ends of the two sides of the reinforcing support tube are connected through the rack reinforcing ribs to form a single tooth of the rack.
Further, the inside of spud leg still sets up perpendicular strengthening rib, and perpendicular strengthening rib is followed the spud leg axial sets up, and perpendicular strengthening rib fixed connection spud leg is relative inside wall respectively, extends to the spud leg center, horizontal ring muscle bottom erects on perpendicular strengthening rib.
Further, the rack reinforcing ribs are symmetrically arranged on two sides of the reinforcing support tube.
Further, the ocean platform bears 1400 tons, and the length of the pile leg is 107000mm.
Further, the horizontal ring ribs are arranged at intervals of 1800 mm.
Further, the outer diameter of the pile leg corresponding to the horizontal annular rib is 3300mm.
Furthermore, the single tooth and the rack reinforcing ribs are fixedly connected with the side wall of the pile leg through welding.
Compared with the prior art, the novel pile leg of the offshore jack-up platform has the following advantages:
according to the utility model, the horizontal ring ribs and the reinforcing support pipes are arranged in the pile legs to form a double-layer structure, and the tail ends of the two sides of the reinforcing support pipes are connected through the rack reinforcing ribs to form single teeth of the rack, so that the bending resistance of the pile legs is improved; the horizontal annular ribs are arranged at intervals, so that the weight of the pile leg can be reduced; the reinforcing support pipes penetrate through two opposite sides of the horizontal ring rib, so that the pile leg is kept to have enough strength and rigidity in the lifting process of the platform, and the force between the gear and the rack is well transferred.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a marine jack-up platform according to an embodiment of the present utility model;
fig. 2 is a schematic structural view of a pile leg according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of the position A-A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the position B-B in FIG. 2;
fig. 5 is a diagram showing a single tooth and a connection structure thereof according to an embodiment of the present utility model.
Reference numerals illustrate:
1-an ocean platform; 2-pile legs; 3-racks; 4-pile legs; 5-lifting gears; 6-horizontal ring ribs; 11-single tooth; 12-rack reinforcing ribs; 13-vertical reinforcing ribs; 15-reinforcing the support tube.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, 2 and 3, the novel pile leg of the offshore jack-up platform comprises a cylindrical pile leg 2 for supporting an ocean platform 1, pile shoes 4 are arranged at the lower ends of the pile legs 2, racks 3 matched with lifting gears 5 are arranged on opposite outer side walls of the pile legs 2, horizontal annular ribs 6 and reinforcing support tubes 15 are arranged in the pile legs 2, the horizontal annular ribs 6 are in a circular ring shape, the outer circumference of the circular ring shape is connected with the inner wall of the pile legs 2, and the horizontal annular ribs 6 are arranged from bottom to top at intervals from the pile shoes to the tops of the pile legs; the reinforcing support pipes 15 are arranged along the radial direction of the pile leg 2, and two ends of each reinforcing support pipe 15 are erected on the horizontal annular rib 6; the opposite inner side walls of the pile legs 2 are respectively provided with rack reinforcing ribs 12, and the tail ends of the two sides of the reinforcing support tube 15 are connected through the rack reinforcing ribs 12 to form a single tooth 11 of the rack 3.
According to the novel pile leg of the offshore jack-up platform, based on the offshore platform 1 with the bearing capacity of 1400 tons, a double-layer structure is formed by arranging the horizontal annular ribs 6 and the reinforcing support pipes 15 in the pile leg 2, and the tail ends of the two sides of the reinforcing support pipes are connected through the rack reinforcing ribs to form a single tooth of the rack, so that the bending resistance of the pile leg is improved; the horizontal annular ribs are arranged at intervals, so that the weight of the pile leg can be reduced; the reinforcing support pipes penetrate through two opposite sides of the horizontal ring rib, so that the pile leg is kept to have enough strength and rigidity in the lifting process of the platform, and the force between the gear and the rack is well transferred. Under the condition of meeting the load capacity, the strength and the bending resistance are improved, and the wind-driven marine energy-saving device can bear environmental loads such as wind, waves, ocean currents and the like.
As shown in fig. 4, the inside of the pile leg 2 is further provided with vertical reinforcing ribs 13, the vertical reinforcing ribs 13 are axially arranged along the pile leg 2, the vertical reinforcing ribs 13 are respectively and fixedly connected with opposite inner side walls of the pile leg 2, extend towards the center of the pile leg 2, and the bottom of the horizontal ring rib 6 is erected on the vertical reinforcing ribs 13. The vertical reinforcing ribs 13 further improve strength and bending resistance, and can bear environmental loads such as wind, waves, ocean currents and the like.
As a preferable scheme of the embodiment, the ocean platform 1 bears 1400 tons, and the length of the pile leg 2 is 107000mm. The horizontal ring ribs 6 are arranged at intervals of 1800 mm. The outer diameter of the pile leg 2 corresponding to the horizontal ring rib 6 is 3300mm. Can bear the environmental load of wind, waves, ocean currents and the like, and lighten the weight of the pile leg.
According to the novel pile leg of the offshore jack-up platform, based on the offshore platform 1 with the bearing capacity of 1400 tons, a double-layer structure is formed by arranging the horizontal annular ribs 6 and the reinforcing support pipes 15 in the pile leg 2, and the tail ends of the two sides of the reinforcing support pipes are connected through the rack reinforcing ribs to form a single tooth of the rack, so that the bending resistance of the pile leg is improved; the horizontal annular ribs are arranged at intervals, so that the weight of the pile leg can be reduced; the reinforcing support pipes penetrate through two opposite sides of the horizontal ring rib, so that the pile leg is kept to have enough strength and rigidity in the lifting process of the platform, and the force between the gear and the rack is well transferred. Under the condition of meeting the load capacity, the strength and the bending resistance are improved, and the wind-driven marine energy-saving device can bear environmental loads such as wind, waves, ocean currents and the like.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a novel spud leg of marine jack-up platform, includes cylindrical spud leg (2) of supporting platform (1), spud leg (2) lower extreme sets up spud shoe (4), spud leg (2) are relative to lateral wall setting and elevating gear (5) complex rack (3), its characterized in that: the pile leg is characterized in that a horizontal annular rib (6) and a reinforcing support tube (15) are arranged in the pile leg (2), the horizontal annular rib (6) is in a circular ring shape, the outer circumference of the circular ring shape is connected with the inner wall of the pile leg (2), and the horizontal annular rib (6) is arranged at intervals from bottom to top of the pile leg; the reinforcing support pipes (15) are radially arranged along the pile legs (2), and two ends of each reinforcing support pipe (15) are erected on the horizontal annular rib (6); the opposite inner side walls of the pile legs (2) are respectively provided with rack reinforcing ribs (12), and the tail ends of the two sides of the reinforcing support tube (15) are connected through the rack reinforcing ribs (12) to form a single tooth (11) of the rack (3).
2. The novel spud leg of an offshore jack-up platform according to claim 1, characterized in that: the inside of spud leg (2) still sets up perpendicular strengthening rib (13), and perpendicular strengthening rib (13) are followed spud leg (2) axial setting, perpendicular strengthening rib (13) are fixed connection spud leg (2) relative inside wall respectively, extend to spud leg (2) center, erect on perpendicular strengthening rib (13) bottom level ring muscle (6).
3. The novel spud leg of an offshore jack-up platform according to claim 1, characterized in that: the rack reinforcing ribs (12) are symmetrically arranged on two sides of the reinforcing support tube (15).
4. The novel spud leg of an offshore jack-up platform according to claim 1, characterized in that: the ocean platform (1) bears 1400 tons, and the length of the pile leg (2) is 107000mm.
5. The novel spud leg of an offshore jack-up platform according to claim 4, wherein: the horizontal annular ribs (6) are arranged at intervals of 1800 mm.
6. The novel spud leg of an offshore jack-up platform according to claim 5, wherein: the outer diameter of the pile leg (2) corresponding to the horizontal annular rib (6) is 3300mm.
7. The novel spud leg of an offshore jack-up platform according to claim 1, characterized in that: the single teeth (11) and the rack reinforcing ribs (12) are fixedly connected with the side walls of the pile legs (2) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322041858.XU CN220565197U (en) | 2023-08-01 | 2023-08-01 | Novel spud leg of marine self-elevating platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322041858.XU CN220565197U (en) | 2023-08-01 | 2023-08-01 | Novel spud leg of marine self-elevating platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220565197U true CN220565197U (en) | 2024-03-08 |
Family
ID=90101874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322041858.XU Active CN220565197U (en) | 2023-08-01 | 2023-08-01 | Novel spud leg of marine self-elevating platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220565197U (en) |
-
2023
- 2023-08-01 CN CN202322041858.XU patent/CN220565197U/en active Active
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