CN115506351A - Normal injection type pile flushing port structure of offshore self-elevating platform ship - Google Patents
Normal injection type pile flushing port structure of offshore self-elevating platform ship Download PDFInfo
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- CN115506351A CN115506351A CN202211275053.5A CN202211275053A CN115506351A CN 115506351 A CN115506351 A CN 115506351A CN 202211275053 A CN202211275053 A CN 202211275053A CN 115506351 A CN115506351 A CN 115506351A
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- pile
- pipe
- injection pipe
- jet
- face
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- 238000002347 injection Methods 0.000 title claims abstract description 55
- 239000007924 injection Substances 0.000 title claims abstract description 55
- 238000011010 flushing procedure Methods 0.000 title abstract description 9
- 238000004080 punching Methods 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 4
- 239000002689 soil Substances 0.000 abstract description 9
- 238000001179 sorption measurement Methods 0.000 abstract description 8
- 238000007596 consolidation process Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000007921 spray Substances 0.000 description 6
- 239000000284 extract Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D9/00—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a normal jet type pile flushing port structure of an offshore self-elevating platform ship, which comprises a pile shoe, wherein the upper surface and the lower surface of the pile shoe are respectively provided with a plurality of groups of pile flushing port assemblies; the pile punching port assembly comprises an injection pipe, the upper end of the injection pipe is connected with a fixed flange, the outer side wall of the injection pipe is connected with a cabin-communicating protection pipe, the outer side wall of the cabin-communicating protection pipe is connected in a through hole formed in the pile shoe, the lower end of the injection pipe is located on the lower side of the pile shoe, the lower end of the injection pipe is provided with an injection assembly, and the lower end of the injection pipe is connected with a protection cover assembly. The normal jetting type pile punching port structure of the offshore self-elevating platform ship overcomes the existing defects, the main jet flow is converted into the peripheral jetting mode, the adsorption force generated by consolidation between soil and pile shoes is damaged more easily, meanwhile, the risk of pile punching port blockage can be reduced, and the structure is suitable for deep-sea complex geological environments.
Description
Technical Field
The invention relates to a normal jet type pile washing opening structure of an offshore self-elevating platform ship.
Background
In the process of installing and constructing the offshore wind turbine, the pile punching system is used as a key component for the self-elevating platform ship to shift at a parking point, pull out a pile and punch the pile. At present, the existing self-elevating platform ship pile shoe pile flushing port applied at home and abroad mainly adopts the outlet water of a dispersed main jet flow water column, one part of water flow realizes the seepage damage of the surrounding soil-attached adsorption force through the openings of the protection plates at the two sides, and the other part of water flow directly sprays and damages the soil-attached adsorption force through the two sides without the side plates.
Due to the existing pile shoe pile mouth flushing form, in the application of an actual wind power plugging pile, the capacity of the pile for destroying the adsorption force of a soil body is weaker, the jet pipe is provided with only one downward hole, when the platform ship resides in a fan position for a long time, the pile shoe is under the seabed for a long time, silt is solidified and blocks a pile flushing hole, the actual pile pulling difficulty is increased, the pile pulling time is prolonged, and the construction safety and efficiency are seriously influenced.
Therefore, the normal injection type pile-punching opening structure of the offshore self-elevating platform ship is provided for solving the problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a normal jet type pile punching port structure of an offshore self-elevating platform ship, can more easily destroy the adsorption force generated by consolidation between a soil body and a pile shoe by converting a main jet flow into a peripheral jet mode, can reduce the risk of pile punching port blockage, and is suitable for deep-sea complex geological environments.
The technical scheme for realizing the purpose is as follows: a normal injection type pile flushing port structure of an offshore self-elevating platform ship comprises a pile shoe, wherein the upper surface and the lower surface of the pile shoe are respectively provided with a plurality of groups of pile flushing port assemblies; the pile punching port assembly comprises an injection pipe, the upper end of the injection pipe is connected with a fixed flange, the outer side wall of the injection pipe is connected with a cabin-communicating protection pipe, the outer side wall of the cabin-communicating protection pipe is connected in a through hole formed in the pile shoe, the lower end of the injection pipe is located on the lower side of the pile shoe, the lower end of the injection pipe is provided with an injection assembly, and the lower end of the injection pipe is connected with a protection cover assembly.
Preferably, the injection assembly comprises an upper injection port and a rib plate, the upper injection port is arranged on the side wall of the lower end of the injection pipe, the rib plate is connected on the side wall of the lower end of the injection pipe, the side wall of the lower end port of the injection pipe is connected with a conical communicating pipe, and the lower end of the conical communicating pipe is connected with the protective cover assembly.
Preferably, the protective cover assembly comprises a bottom plate, the lower end of the conical communicating pipe is connected to the upper end face of the bottom plate, and the lower end face of the rib plate is connected to the upper end face of the bottom plate; the middle part of the bottom plate is provided with a lower jet orifice; the periphery of the bottom plate is spliced into the pile punching opening protective cover through a plurality of first side plates and a plurality of second side plates; the upper end face of the rib plate is connected with the fixedly connecting component.
Preferably, the fixed connection assembly comprises a second fixed plate and a first fixed plate, the middle of the second fixed plate is sleeved on the side wall of the lower end of the injection pipe, the side wall of the second fixed plate is connected with the first fixed plate through a connecting rod, the lower end face of the first fixed plate is connected with the upper end face of the rib plate, and the upper end face of the first fixed plate is connected with the lower end face of the pile shoe.
Preferably, a communication area is formed among the lower port of the injection pipe, the conical communication pipe and the bottom plate.
Preferably, the upper end face of the fixing flange is connected to the upper top face of the pile shoe.
Preferably, the number of the rib plates is four; the number of the upper jet ports is four; the first fixing plate is four.
Preferably, the upper ends of the first side plate and the second side plate are not in contact with the lower end face of the pile shoe, and a certain distance is reserved between the upper ends of the first side plate and the second side plate.
Preferably, the first fixing plate is connected to the lower end face of the pile shoe through a fixing bolt.
The beneficial effects of the invention are: a plurality of groups of pile punching assemblies are respectively arranged on the upper surface and the lower surface of the pile shoe; can spout through the trompil around the main pipeline when pile shoe extracts from earth and spray and realize the seepage flow and destroy and attach native adsorption affinity around for pile shoe can be better extracts from earth, and when can also avoid the platform captain time to stay fan position, the pile shoe is under the seabed for a long time, and the silt consolidation of appearance blocks up towards the stake hole, increases the pile-pulling degree of difficulty, prolongs the problem of pile-pulling time.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a detailed view of the jet stack of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a detail view of the ribbed plate connection of the present invention;
FIG. 5 is a detail view of the connection of the first and second retaining plates of the present invention;
figure 6 is a cross-sectional view of the shoe of the present invention.
In the figure: 1. a first side plate; 2. a second side plate; 3. a base plate; 4. a connecting rod; 5. a rib plate; 6. an injection pipe; 7. a first fixing plate; 8. a fixed flange; 9. a second fixing plate; 10. an upper jet port; 11. a lower jet port; 12. a communication region; 14. cabin-through protecting pipes; 15. a pile shoe; 16. fixing the bolt; 17. a tapered communicating tube; 18. and (5) punching the pile mouth protective cover.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
The invention will be further explained with reference to the drawings.
As shown in fig. 1-6, a normal injection type pile-punching structure of an offshore self-elevating platform ship comprises a pile shoe 15, wherein a plurality of pile-punching assemblies are respectively arranged on the upper surface and the lower surface of the pile shoe 15; the pile-washing opening component comprises an injection pipe 6, a fixing flange 8 is connected to the upper end of the injection pipe 6, the outer side wall of the injection pipe 6 is connected with a cabin-communicating protection pipe 14, the outer side wall of the cabin-communicating protection pipe 14 is connected in a through hole formed in a pile shoe 15, the lower end of the injection pipe 6 is located on the lower side of the pile shoe 15, the lower end of the injection pipe 6 is provided with an injection component, and the lower end of the injection pipe 6 is connected with a protection cover component. The upper end surface of the fixing flange 8 is connected with the upper top surface of the pile shoe 15. High-pressure rivers are spout to the injection subassembly from injection pipe 6, make high-pressure rivers scatter through the protection casing subassembly, can prevent that the water under high pressure from destroying and attach soil directly under, also link up the silt of concreteing at pile shoe communicating area 12, prevent that silt from piling up and blockking up the apopore. A plurality of groups of pile punching assemblies; can rivers pass through the main pipeline and spout around the trompil when pile shoe 15 is pulled out from earth, destroy the consolidation between the soil body and pile shoe more easily and the adsorption affinity that produces, can also reduce towards stake mouth and block up the risk simultaneously, realize that the seepage flow destroys and attaches native adsorption affinity around destroying, make pile shoe 15 can be better extract from earth, can avoid when the platform captain time resides fan machine position, pile shoe 15 is under the seabed for a long time, silt consolidation that appears blocks up towards the stake hole, increase the pile pulling degree of difficulty, the problem of extension pile pulling time.
Specifically, the injection assembly comprises an upper injection port 10 and a rib plate 5, wherein the upper injection port 10 is arranged on the side wall of the lower end of an injection pipe 6, the rib plate 5 is connected on the side wall of the lower end of the injection pipe 6, the side wall of the lower end of the injection pipe 6 is connected with a conical communication pipe 17, and the lower end of the conical communication pipe 17 is connected with a protective cover assembly. The protective cover assembly comprises a bottom plate 3, the lower end of a conical communicating pipe 17 is connected to the upper end face of the bottom plate 3, and the lower end face of a ribbed plate 5 is connected to the upper end face of the bottom plate 3; the middle part of the bottom plate 3 is provided with a lower jet orifice 11; the periphery of the bottom plate 3 is spliced into a pile punching opening protective cover 18 through a plurality of first side plates 1 and a plurality of second side plates 2; the upper end face of the ribbed slab 5 is connected with the fixed connection component. The upper ends of the first side plate 1 and the second side plate 2 are not in contact with the lower end face of the pile shoe 15, and a certain distance is reserved between the upper ends of the pile shoes. The ribbed plates 5 are four; the number of the upper ejection ports 10 is four. The fixed connection assembly comprises a second fixing plate 9 and a first fixing plate 7, the middle of the second fixing plate 9 is sleeved on the side wall of the lower end of the injection pipe 6, the side wall of the second fixing plate 9 is connected with the first fixing plate 7 through a connecting rod 4, the lower end face of the first fixing plate 7 is connected with the upper end face of the rib plate 5, and the upper end face of the first fixing plate 7 is connected with the lower end face of the pile shoe 15. The first fixing plate 7 is connected to the lower end face of the pile shoe 15 through a fixing bolt 16. The lower end of the injection pipe 6, the conical communicating pipe 17 and the bottom plate 3 form a communicating area 12. The first fixing plate 7 is four.
Specifically, four upper jet orifices 10 communicated with each other are arranged around the lower end of the jet pipe 6, a lower jet orifice 11 is arranged in the middle of the bottom plate 3, the jet pipe 6 sprays water under high pressure to divide a main jet flow into five, and water flow around the four upper jet orifices 10 and the lower jet orifice 11 in the middle of the bottom plate 3 is directly acted on the first side plate 1 and the second side plate 2 with inclination angles to be dispersed so as to destroy soil attached to the pile shoe and seepage; one part of the high-pressure water flow directly jets along a lower jet orifice 11 arranged in the middle of the bottom plate 3 to separate the attached soil of the pile shoe 15, and the other part of the water flow is dispersed to the side surface to penetrate and solidify the silt in the pile shoe communication area 12, so that the silt is prevented from accumulating to block the water outlet hole.
The working principle is as follows: four upper jet orifices 10 communicated with each other are arranged around the lower end of the jet pipe 6, a lower jet orifice 11 is arranged in the middle of the bottom plate 3, the jet pipe 6 sprays water under high pressure to divide the main jet flow into five, and water flow around the four upper jet orifices 10 and the lower jet orifice 11 in the middle of the bottom plate 3 is directly acted on the first side plate 1 and the second side plate 2 with inclination angles to be dispersed so as to destroy soil attachment and seepage of the pile shoe; one part of the high-pressure water flow directly sprays and separates the attached soil of the pile shoe 15 along a lower spray opening 11 arranged in the middle of the bottom plate 3, and the other part of the water flow is dispersed to the side surface and penetrates through the silt fixedly connected in the pile shoe communication area 12, so that the silt is prevented from accumulating and blocking the water outlet hole.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A normal jet type pile washing port structure of an offshore self-elevating platform ship is characterized by comprising a pile shoe (15), wherein the upper surface and the lower surface of the pile shoe (15) are respectively provided with a plurality of groups of pile washing port assemblies; towards stake mouthful subassembly includes injection pipe (6), mounting flange (8) are connected to injection pipe (6) upper end, injection pipe (6) lateral wall link to the cabin pillar (14), lead to cabin pillar (14) lateral wall and connect in the through-hole that pile shoe (15) were seted up, the lower extreme of injection pipe (6) is located pile shoe (15) downside, injection pipe (6) lower extreme sets up the injection subassembly, protection casing subassembly is connected to injection pipe (6) lower extreme.
2. The offshore jack-up platform vessel normal jet type pile driving port structure according to claim 1, characterized in that the jet assembly comprises upper jet ports (10) and rib plates (5), the upper jet ports (10) are arranged on the side wall of the lower end of the jet pipe (6), the rib plates (5) are connected on the side wall of the lower end of the jet pipe (6), the side wall of the lower port of the jet pipe (6) is connected with a conical communicating pipe (17), and the lower end of the conical communicating pipe (17) is connected with the protective cover assembly.
3. The offshore jack-up platform vessel normal direction injection type pile driving mouth structure of claim 2, characterized in that the protective cover assembly comprises a bottom plate (3), the lower end of the conical communicating tube (17) is connected to the upper end surface of the bottom plate (3), the lower end surface of the rib plate (5) is connected to the upper end surface of the bottom plate (3); the middle part of the bottom plate (3) is provided with a lower jet orifice (11); the periphery of the bottom plate (3) is spliced into a pile punching protective cover (18) through a plurality of first side plates (1) and a plurality of second side plates (2); the upper end face of the rib plate (5) is connected with the fixedly connecting component.
4. The offshore jack-up platform vessel normal injection type pile-punching structure of claim 3, characterized in that the fastening assembly comprises a second fixing plate (9) and a first fixing plate (7), the middle part of the second fixing plate (9) is sleeved on the side wall of the lower end of the injection pipe (6), the side wall of the second fixing plate (9) is connected with the first fixing plate (7) through a connecting rod (4), the lower end face of the first fixing plate (7) is connected with the upper end face of the rib plate (5), and the upper end face of the first fixing plate (7) is connected with the lower end face of the pile shoe (15).
5. An offshore jack-up platform vessel normal jet type pile driving mouth structure according to claim 3, characterized in that a communication area (12) is formed among the lower port of the jet pipe (6), the tapered communication pipe (17) and the bottom plate (3).
6. The offshore jack-up platform vessel normal jet type pile driving port structure of claim 1, wherein the upper end face of the fixing flange (8) is connected to the upper top face of the pile shoe (15).
7. The offshore jack-up platform vessel normal jet type pile driving mouth structure according to claim 4, characterized in that the number of the rib plates (5) is four; the number of the upper jet ports (10) is four; the number of the first fixing plates (7) is four.
8. The offshore jack-up platform vessel normal jet type pile driving mouth structure according to claim 3, characterized in that the upper ends of the first side plate (1) and the second side plate (2) are not in contact with the lower end face of the pile shoe (15) and are spaced apart from each other.
9. The offshore jack-up platform vessel normal jet type pile driving port structure according to claim 4, characterized in that the first fixing plate (7) is connected to the lower end face of the pile shoe (15) by a fixing bolt (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211275053.5A CN115506351A (en) | 2022-10-18 | 2022-10-18 | Normal injection type pile flushing port structure of offshore self-elevating platform ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211275053.5A CN115506351A (en) | 2022-10-18 | 2022-10-18 | Normal injection type pile flushing port structure of offshore self-elevating platform ship |
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| Publication Number | Publication Date |
|---|---|
| CN115506351A true CN115506351A (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211275053.5A Pending CN115506351A (en) | 2022-10-18 | 2022-10-18 | Normal injection type pile flushing port structure of offshore self-elevating platform ship |
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| CN (1) | CN115506351A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120230773A1 (en) * | 2011-03-09 | 2012-09-13 | Keppel Offshore & Marine Technology Centre Pte Ltd. | Skirted Foundation For Penetrating Soft Material |
| CN103924566A (en) * | 2014-05-06 | 2014-07-16 | 太重（天津）滨海重型机械有限公司 | Self-elevating type drilling platform with one pile leg |
| CN104594293A (en) * | 2015-01-08 | 2015-05-06 | 中交上海三航科学研究院有限公司 | Hydraulic pull reduction system on jack-up platform ship supporting pile leg |
| CN106812127A (en) * | 2017-03-14 | 2017-06-09 | 西安石油大学 | Stake system is rushed in a kind of self-elevating ocean platform shoe for preventing jetting pipeline from blocking |
| CN107558462A (en) * | 2017-09-15 | 2018-01-09 | 天海融合防务装备技术股份有限公司 | Be installed on jack-up unit shoe surface rushes pilework |
| CN207794084U (en) * | 2017-12-06 | 2018-08-31 | 中船黄埔文冲船舶有限公司 | A kind of shoe punching spray cap |
-
2022
- 2022-10-18 CN CN202211275053.5A patent/CN115506351A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120230773A1 (en) * | 2011-03-09 | 2012-09-13 | Keppel Offshore & Marine Technology Centre Pte Ltd. | Skirted Foundation For Penetrating Soft Material |
| CN103924566A (en) * | 2014-05-06 | 2014-07-16 | 太重（天津）滨海重型机械有限公司 | Self-elevating type drilling platform with one pile leg |
| CN104594293A (en) * | 2015-01-08 | 2015-05-06 | 中交上海三航科学研究院有限公司 | Hydraulic pull reduction system on jack-up platform ship supporting pile leg |
| CN106812127A (en) * | 2017-03-14 | 2017-06-09 | 西安石油大学 | Stake system is rushed in a kind of self-elevating ocean platform shoe for preventing jetting pipeline from blocking |
| CN107558462A (en) * | 2017-09-15 | 2018-01-09 | 天海融合防务装备技术股份有限公司 | Be installed on jack-up unit shoe surface rushes pilework |
| CN207794084U (en) * | 2017-12-06 | 2018-08-31 | 中船黄埔文冲船舶有限公司 | A kind of shoe punching spray cap |
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