CN110130296A - A kind of offshore platform spud leg high-pressure water-flushing device - Google Patents
A kind of offshore platform spud leg high-pressure water-flushing device Download PDFInfo
- Publication number
- CN110130296A CN110130296A CN201910311342.8A CN201910311342A CN110130296A CN 110130296 A CN110130296 A CN 110130296A CN 201910311342 A CN201910311342 A CN 201910311342A CN 110130296 A CN110130296 A CN 110130296A
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- Prior art keywords
- water
- spud leg
- pressure
- outlet pipe
- boots
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Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
-
- 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
- E02D9/02—Removing sheet piles bulkheads, piles, mould-pipes or other moulds or parts thereof by withdrawing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a kind of offshore platform spud leg high-pressure water-flushing device, shoe is transformed very little, guarantees the intensity of its own；Hydraulic pressure is relatively very big, flows there's plenty of it, it is sufficient to wash away spud leg, the shoe soil body；Using hysteresis two-way water pipe reel, by the effect of magnetic hysteresis shaft coupling can automatic deploying and retracting high-pressure water pipe, water pipe leads directly at the top of spud leg, and water is converted into impact kinetic energy by high potential energy；System structure is simple, can continuously wash by water in pile pulling, without considering the mobile position of spud leg；Opposite take-over type is washed by water, and the resistance of interface reflux is reduced, easy to operate simple；The bath pressure and flow of boots top and sole is adjusted in demand when can be according to pile pulling, reaches and efficiently washes away the shoe attachment soil body, reaches quick pile pulling.
Description
Technical field
The present invention relates to wash away the barriers technical field such as surrounding soil, specially a kind of sea when offshore platform pile pulling
Platform leg high-pressure water-flushing device.
Background technique
Currently, offshore platform spud leg is mostly steel-structured circular cylindricality or square column type, and spud leg lower part is according to fender pile boots, external ground
Matter is generally not necessarily to flushometer, and coastal area of china geology, clay layer are thicker, and operating location is different, and soil body character is different, stratum
Complexity, geology is loose, and it is very deep that when platform pitching pile enters mud, and pitching pile destroys the soil body and is slurried again and back-silts, and forms the new attachment soil body
Stablize on spud leg, has very big intensity after consolidating for a long time.When shoe enters mud chin-deep, pile extraction resistance greatly exceeds platform
The limit pile pulling ability that structure can bear, so pile pulling needs to promote by bath or other methods resistance when pile pulling to reduce,
Realize that pile pulling is high-efficient.General platform can design be take-over type inside spud leg flushing system, but flow and pressure are difficult quickly
The soil body for washing away shoe attachment is easy to gambling plug outlet pipe spray head, and operate tired since pressure is too small sometimes when pitching pile
Difficulty is extremely difficult to the effect of high speed pile pulling, it would therefore be highly desirable to which a kind of improved technology solves this in the presence of the prior art
Problem.
Summary of the invention
The purpose of the present invention is to provide a kind of offshore platform spud leg high-pressure water-flushing devices, have very big flow and pressure,
It is directly drained at the top of spud leg using spud leg outer tube, and directly enters water at the top of spud leg and wash away shoe, form very big impact force,
Make it adhere to soil body viscosity to weaken, reduce the frictional force of spud leg, shoe and the soil body, to reduce pile pulling pressure, is finally reached fast
The efficient pile pulling of speed, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of offshore platform spud leg high-pressure water-flushing device, packet
Include suction hose, thick water filter, water suction hard tube, high-pressure pump, inlet hose, screw down nonreturn valve, four-way connection, stainless steel ball valve,
Safety valve, outlet pipe, water pipe reel, high pressure delivery hose, outlet pipe, bracket, boots eject water pipe, sole outlet pipe, boots in stake
Top spray head, sole spray head, spud leg, wedge bracket, deck, shoe, the spud leg bottom are provided with shoe, setting on the outside of the spud leg
There is wedge bracket, the wedge bracket periphery is provided with deck, and high-pressure pump is provided on the deck, and one end of the high-pressure pump is connected with
Absorb water hard tube, is connected between water suction hard tube and the suction hose by thick water filter, the other end of the high-pressure pump by into
Mouthful hose is connected with screw down nonreturn valve, the screw down nonreturn valve by four-way connection be connected with respectively a pipeline with safety valve and
Two outlet pipes, are equipped with stainless steel ball valve on the every outlet pipe, two outlet pipes with high pressure delivery hose phase
Logical, the high pressure delivery hose spirals on water pipe reel, and the water pipe reel is set to the top of the wedge bracket, the height
The water outlet of pressure delivery hose is placed at the top of the spud leg and connects with outlet pipe in stake, and the top of the spud leg is equipped with bracket,
The bracket holds the connector of outlet pipe in the high pressure delivery hose and stake, in the stake in outlet pipe and the shoe
Boots ejection water pipe and sole outlet pipe communicate, and the boots ejection water pipe and sole outlet pipe are connected with boots top spray head and sole spray respectively
Head.
Preferably, the water pipe reel is a kind of hysteresis two-way water pipe reel.
Preferably, the boots top spray head and sole spray head have several.
Preferably, application method the following steps are included:
Step 1: when pile pulling, when platform, which is dropped to, to be contacted with sea level, when absorbing water about 3 meters or more, two are first shut off
The stainless steel ball valve of outlet pipe opens fire pump, carries out diversion, when feeling has certain hydraulic pressure in high-pressure pump, can start
High pressure switch pump；
Step 2: by the effect of pump, entered by thick water filter by water suction hard tube from suction hose from marine water suction
The high-pressure pump being placed in wedge bracket on deck；
Step 3: when pressure reaches specified pressure, at this moment safety valve can be opened, and water can flow out, and subtract pressure, other
Two-way opens stainless steel ball valve, is gone out outlet pipe and flow upwardly into be attached to the high pressure delivery hose of spud leg table side；
Step 4: with the extraction height of spud leg, spud leg is greater than magnetic hysteresis shaft coupling institute to the drag force of high pressure delivery hose
The torque of transmitting, Reel of water pipe are rotated towards cable laying direction, and high pressure delivery hose is released, and the special torque in magnetic hysteresis shaft coupling magnetic field
The presence of coupling function can guarantee that high pressure delivery hose will not slide due to gravity and from reel, carry out automatically to high pressure
The folding and unfolding of delivery hose；
Step 5: by high pressure delivery hose, reaching outlet pipe in the stake on spud leg top support frame, through pressure and water from
Weight is directly flushed to boots ejection water pipe and sole outlet pipe inside shoe, is finally accordingly flushed to bottom boots top spray head and sole spray head,
To generate immense pressure and flow；
Step 6: with the extraction of spud leg, continuously washing away boots top and the sole surface soil body, reaches efficient and reduces the soil body pair
The resistance of spud leg, thus quick pile pulling.
Compared with prior art, the beneficial effects of the present invention are:
(1) very little is transformed in shoe, guarantees the intensity of its own；Hydraulic pressure is relatively very big, flows there's plenty of it, it is sufficient to wash away spud leg,
The shoe soil body；Using hysteresis two-way water pipe reel, by the effect of magnetic hysteresis shaft coupling can automatic deploying and retracting high-pressure water pipe, water pipe
At the top of straight-through spud leg, water is converted into impact kinetic energy by high potential energy.
(2) structure is simple, can continuously wash by water in pile pulling, without considering the mobile position of spud leg；Opposite take-over type rushes
Water reduces the resistance of interface reflux, easy to operate simple；Demand when can be according to pile pulling, to the bath pressure on boots top and sole
Power and flow are adjusted, and reach and efficiently wash away the shoe attachment soil body, reach quick pile pulling.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is deck positional structure schematic diagram of the present invention.
Fig. 3 is shoe top structure schematic diagram.
Fig. 4 is shoe bottom substance schematic diagram.
In figure: suction hose 1, thick water filter 2, water suction hard tube 3, high-pressure pump 4, inlet hose 5, screw down nonreturn valve 6, four-way
Connector 7, stainless steel ball valve 8, safety valve 9, outlet pipe 10, water pipe reel 11, high pressure delivery hose 12, outlet pipe 13, support in stake
Frame 14, boots ejection water pipe 15, sole outlet pipe 16, boots top spray head 17, sole spray head 18, spud leg 19, wedge bracket 20, deck 21,
Shoe 22.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of offshore platform spud leg high-pressure water-flushing device, including
Suction hose 1, thick water filter 2, water suction hard tube 3, high-pressure pump 4, inlet hose 5, screw down nonreturn valve 6, four-way connection 7, stainless steel
Ball valve 8, safety valve 9, outlet pipe 10, water pipe reel 11, high pressure delivery hose 12, outlet pipe 13, bracket 14, boots eject water in stake
Pipe 15, sole outlet pipe 16, boots top spray head 17, sole spray head 18, spud leg 19, wedge bracket 20, deck 21, shoe 22, spud leg 19
Bottom is provided with shoe 22, and wedge bracket 20 is provided on the outside of spud leg 19, and 20 periphery of wedge bracket is provided with deck 21, sets on deck 21
It is equipped with high-pressure pump 4, one end of high-pressure pump 4 is connected with water suction hard tube 3, absorbs water and pass through thick water filter 2 between hard tube 3 and suction hose 1
It is connected, the other end of high-pressure pump 4 is connected with screw down nonreturn valve 6 by inlet hose 5, and screw down nonreturn valve 6 is distinguished by four-way connection 7
It is connected with a pipeline and two outlet pipes 10 with safety valve 9, is equipped with stainless steel ball valve 8 on every outlet pipe 10, two
Outlet pipe 10 is communicated with high pressure delivery hose 12, and high pressure delivery hose 12 spirals on hysteresis two-way water pipe reel 11, water
Pipe reel 11 is set to the top of wedge bracket 20, the water outlet of high pressure delivery hose 12 be placed in 19 top of spud leg and be discharged in stake
Pipe 13 connects, and the top of spud leg 19 is equipped with bracket 14, and bracket 14 holds the connection of outlet pipe 13 in high pressure delivery hose 12 and stake
Mouthful, outlet pipe 13 ejects water pipe 15 with the boots in shoe 22 in stake and sole outlet pipe 16 communicates, and boots eject water pipe 15 and sole
Outlet pipe 16 is connected with boots top spray head 17 and sole spray head 18 respectively.
A kind of offshore platform spud leg high-pressure water-flushing device, application method the following steps are included:
Step 1: when pile pulling, when platform, which is dropped to, to be contacted with sea level, when absorbing water about 3 meters or more, two are first shut off
The stainless steel ball valve 8 of outlet pipe 10 opens fire pump, carries out diversion, when feeling has certain hydraulic pressure in high-pressure pump 4
Start high-pressure pump 4 to switch；
Step 2: by the effect of pump, from suction hose 1 from marine water suction, by thick water filter, by water suction hard tube 3 into
Enter to be placed in the high-pressure pump 4 in wedge bracket 20 on deck 21；
Step 3: through pumping action, the hydraulic pressure of maximum exportable 5MPa is divided by screw down nonreturn valve 6 by four-way connection 7
Tri- tunnel Liu Wei flows to 9 pipeline of safety valve all the way, when pressure reaches specified pressure, in order to guarantee the intensity of pump and pipe, this
When safety valve 9 can open, water can flow out, subtract pressure, other two-way, open stainless steel ball valve 8, gone out outlet pipe 10 to upstream
Entering to be attached to the high pressure delivery hose 12 of 19 table side of spud leg, high pressure delivery hose spirals on hysteresis two-way water pipe reel 11,
20 top of wedge bracket is placed on hysteresis two-way water pipe reel；
Step 4: with the extraction height of spud leg 19, spud leg 19 joins the drag force of high pressure delivery hose 12 greater than magnetic hysteresis
The torque that axis device is transmitted, Reel of water pipe are rotated towards cable laying direction, and high pressure delivery hose 12 is released, and magnetic hysteresis shaft coupling magnetic field
The presence of special torque coupling function can guarantee that high pressure delivery hose 12 will not slide due to gravity and from reel, automatically
Carry out the folding and unfolding to high pressure delivery hose 12；
Step 5: by high pressure delivery hose 12, outlet pipe 13 in the stake on 19 top support frame 14 of spud leg is reached, through pressure
It is self-possessed with water, is directly flushed to 22 inside boots of shoe ejection water pipe 15 and sole outlet pipe 16, is finally accordingly flushed to bottom boots top spray
First 17 and sole spray head 18, to generate immense pressure and flow；
Step 6: with the extraction of spud leg 19, continuously washing away boots top and the sole surface soil body, reaches efficient and reduces the soil body
To the resistance of spud leg 19, thus quick pile pulling.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of offshore platform spud leg high-pressure water-flushing device, it is characterised in that: including suction hose (1), thick water filter (2), inhale
Hydraulic pipe (3), high-pressure pump (4), inlet hose (5), screw down nonreturn valve (6), four-way connection (7), stainless steel ball valve (8), safety
Valve (9), outlet pipe (10), water pipe reel (11), high pressure delivery hose (12), outlet pipe (13), bracket (14), boots ejection in stake
Water pipe (15), sole outlet pipe (16), boots top spray head (17), sole spray head (18), spud leg (19), wedge bracket (20), deck
(21), shoe (22), spud leg (19) bottom are provided with shoe (22), are provided with wedge bracket on the outside of the spud leg (19)
(20), wedge bracket (20) periphery is provided with deck (21), is provided with high-pressure pump (4), the high pressure on the deck (21)
One end of pump (4) is connected with water suction hard tube (3), passes through thick water filter (2) phase between the water suction hard tube (3) and suction hose (1)
Even, the other end of the high-pressure pump (4) is connected with screw down nonreturn valve (6) by inlet hose (5), and the screw down nonreturn valve (6) is logical
It crosses four-way connection (7) and is connected with a pipeline and two outlet pipes (10) with safety valve (9), the every outlet pipe respectively
(10) it is equipped on stainless steel ball valve (8), two outlet pipes (10) communicate with high pressure delivery hose (12), the high pressure
Delivery hose (12) spirals on water pipe reel (11), and the water pipe reel (11) is set to the top of the wedge bracket (20),
The water outlet of the high pressure delivery hose (12) is placed at the top of the spud leg (19) and connects with outlet pipe in stake (13), the stake
The top of leg (19) is equipped with bracket (14), and the bracket (14) holds outlet pipe (13) in the high pressure delivery hose (12) and stake
Connector, outlet pipe (13) and the boots in the shoe (22) eject water pipe (15) and sole outlet pipe (16) phase in the stake
Logical, boots ejection water pipe (15) and sole outlet pipe (16) are connected with boots top spray head (17) and sole spray head (18) respectively.
2. a kind of offshore platform spud leg high-pressure water-flushing device according to claim 1, it is characterised in that: the water pipe reel
It (11) is a kind of hysteresis two-way water pipe reel.
3. a kind of offshore platform spud leg high-pressure water-flushing device according to claim 1, it is characterised in that: the boots top spray head
(17) and sole spray head (18) has several.
4. a kind of offshore platform spud leg high-pressure water-flushing device according to claim 1, it is characterised in that: its application method packet
Include following steps:
Step 1: when pile pulling, when platform, which is dropped to, to be contacted with sea level, when absorbing water about 3 meters or more, two water outlets are first shut off
The stainless steel ball valve (8) of (10) is managed, fire pump is opened, carries out diversion, when feeling has certain hydraulic pressure in high-pressure pump (4), i.e.,
High-pressure pump (4) switch can be started；
Step 2: by the effect of pump, from suction hose (1) from marine water suction, by thick water filter, by water suction hard tube (3) into
Enter to be placed in the high-pressure pump (4) on wedge bracket (20) interior deck (21)；
Step 3: when pressure reaches specified pressure, at this moment safety valve (9) can be opened, and water can flow out, and subtract pressure, other
Two-way is opened stainless steel ball valve (8), is gone out outlet pipe (10) and flow upwardly into the high pressure delivery hose for being attached to spud leg (19) table side
(12)；
Step 4: with the extraction height of spud leg (19), spud leg (19) is greater than magnetic hysteresis to the drag force of high pressure delivery hose (12)
The torque that shaft coupling is transmitted, Reel of water pipe are rotated towards cable laying direction, and high pressure delivery hose (12) is released, and magnetic hysteresis shaft coupling
The presence of the special torque coupling function in magnetic field can guarantee that high pressure delivery hose (12) will not be due to gravity and sliding from reel
It falls, carries out the folding and unfolding to high pressure delivery hose (12) automatically；
Step 5: by high pressure delivery hose (12), outlet pipe (13) in the stake on spud leg (19) top support frame (14), warp are reached
Pressure and water self weight are directly flushed to internal boots ejection water pipe (15) of shoe (22) and sole outlet pipe (16), are finally accordingly flushed to
Bottom boots top spray head (17) and sole spray head (18), to generate immense pressure and flow；
Step 6: with the extraction of spud leg (19), continuously washing away boots top and the sole surface soil body, reaches efficient and reduces the soil body pair
The resistance of spud leg (19), thus quick pile pulling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311342.8A CN110130296A (en) | 2019-04-18 | 2019-04-18 | A kind of offshore platform spud leg high-pressure water-flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311342.8A CN110130296A (en) | 2019-04-18 | 2019-04-18 | A kind of offshore platform spud leg high-pressure water-flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110130296A true CN110130296A (en) | 2019-08-16 |
Family
ID=67570409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910311342.8A Pending CN110130296A (en) | 2019-04-18 | 2019-04-18 | A kind of offshore platform spud leg high-pressure water-flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110130296A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211065A1 (en) * | 2019-04-19 | 2020-10-22 | 江苏亨通蓝德海洋工程有限公司 | Offshore platform pile leg high-pressure flushing apparatus |
| CN113668530A (en) * | 2021-09-02 | 2021-11-19 | 厦门大学 | Construction method of easy-to-recover fluidization resistance-reducing pile pulling |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204825836U (en) * | 2015-08-07 | 2015-12-02 | 江苏蓝潮海洋风电工程建设有限公司 | Offshore platform spud leg high pressure bath device |
| CN105002875B (en) * | 2015-08-07 | 2017-01-25 | 江苏蓝潮海洋风电工程建设有限公司 | High-pressure flushing device for offshore platform pile leg |
-
2019
- 2019-04-18 CN CN201910311342.8A patent/CN110130296A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204825836U (en) * | 2015-08-07 | 2015-12-02 | 江苏蓝潮海洋风电工程建设有限公司 | Offshore platform spud leg high pressure bath device |
| CN105002875B (en) * | 2015-08-07 | 2017-01-25 | 江苏蓝潮海洋风电工程建设有限公司 | High-pressure flushing device for offshore platform pile leg |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211065A1 (en) * | 2019-04-19 | 2020-10-22 | 江苏亨通蓝德海洋工程有限公司 | Offshore platform pile leg high-pressure flushing apparatus |
| CN113668530A (en) * | 2021-09-02 | 2021-11-19 | 厦门大学 | Construction method of easy-to-recover fluidization resistance-reducing pile pulling |
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Application publication date: 20190816 |