CN116397649A - Submarine pile foundation leveling guide system and construction process - Google Patents
Submarine pile foundation leveling guide system and construction process Download PDFInfo
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- CN116397649A CN116397649A CN202310215476.6A CN202310215476A CN116397649A CN 116397649 A CN116397649 A CN 116397649A CN 202310215476 A CN202310215476 A CN 202310215476A CN 116397649 A CN116397649 A CN 116397649A
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 241001530613 Horminum pyrenaicum Species 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000013535 sea water Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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
- E02D13/04—Guide devices; Guide frames
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- 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
- E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention relates to the technical field of marine equipment, in particular to a submarine pile foundation leveling and guiding system and a construction process, wherein the submarine pile foundation leveling and guiding system comprises a pile inserting and leveling subsystem, an engineering pile straightening subsystem and a control and detection subsystem; the frame body comprises 4 cross-shaped cantilever trusses fixedly arranged at the top end of the frame body; the engineering pile straightening subsystem comprises 4 guide cylinders which are fixedly arranged at the lower section of the frame body in a cross shape, guide ribs are uniformly distributed on the inner wall of each guide cylinder along the circumferential direction, a horn mouth is fixedly connected to the upper end of each guide cylinder, and a guard plate is fixedly connected in the semicircular range of the inner side of the upper end of each horn mouth; the arc-shaped arm is hinged on one side of the opening, and the latch locking holes are formed on the other sides of the opening and the arc-shaped arm; the inner side of the dragon mouth and the two ends close to the arc-shaped holding arms are respectively fixedly provided with 2 pushing oil cylinders, and the end part of a cylinder rod of each pushing oil cylinder is rotatably provided with a pushing wheel. Compared with the prior art, the structure of the invention not only can level the frame body, but also can detect and correct the perpendicularity of the engineering pile in real time, thereby reducing the construction difficulty, greatly improving the efficiency of engineering construction and ensuring the construction quality.
Description
Technical Field
The invention relates to the technical field of marine engineering equipment, in particular to a submarine pile foundation leveling guide system for assisting submarine engineering pile construction and a construction process.
Background
In recent years, along with the trend of global energy, the development scale of ocean resources in China is continuously expanding. The exploitation of submarine oil and natural gas, the construction of offshore wind farms and the development of other marine resources has gradually saturated in shallow offshore areas and can only gradually progress to deep sea areas, but due to the increase of water depth, the engineering foundation used in shallow water areas has not been applicable and satisfied.
At present, foundation pile sinking is required to be built in a deeper region with the water depth of 30-60 m in most working projects, and most guide devices for assisting in foundation pile sinking are complex in structure, poor in stability and high in construction cost, so that the difficulty of offshore engineering construction is extremely high, and the requirements on operation ships are also high. The underwater guide frame with high structural strength is disclosed in the Chinese patent of publication No. CN115233679A, the leveling subsystem comprises four hydraulic cylinders which are symmetrically arranged in pairs, and the hydraulic cylinders are connected with the frame body and the anti-sinking plate in a spherical hinge manner, so that the anti-sinking plate can be adjusted at multiple angles, and the leveling efficiency is improved. However, the leveling of the sinking prevention plate does not mean that the engineering pile can be driven into the seabed vertically, and the invention can not detect or correct when the engineering pile is inclined. In addition, the guide frame is not provided with a positioning device, can not resist seabed turbulence, and can cause slippage on the seabed surface.
Disclosure of Invention
The invention aims to overcome one of the defects in the prior art and discloses a submarine pile foundation leveling and guiding system for assisting submarine engineering pile construction, which adopts the following technical scheme:
the utility model provides a seabed pile foundation leveling guidance system, includes the stake of inserting that sets up in the support body bottom leveling subsystem, unlike prior art, the support body includes 4 cantilever trusses that set firmly on its top that the cross was arranged, still includes engineering stake alignment subsystem and control detection subsystem; the engineering pile straightening subsystem comprises 4 guide cylinders which are fixedly arranged at the lower section of the frame body in a cross shape, guide ribs are uniformly distributed on the inner wall of each guide cylinder along the circumferential direction, a horn mouth is fixedly connected to the upper end of each guide cylinder, and a guard plate is fixedly connected in the semicircular range of the inner side of the upper end of each horn mouth; the detachable type cantilever truss is connected to the outer end of each cantilever truss, the inner profile of each cantilever truss is a U-shaped dragon mouth, the circle center of each dragon mouth is concentric with the circle center of the guide cylinder up and down, one side of each dragon mouth is hinged with an arc-shaped holding arm which can be opened and closed, and the other sides of the dragon mouth and the arc-shaped holding arms are provided with bolt locking holes; the inner side of the dragon mouth and the two ends close to the arc-shaped holding arms are respectively fixedly provided with 2 pushing oil cylinders, and the end part of a cylinder rod of each pushing oil cylinder is rotatably provided with a pushing wheel.
Further, the control monitoring system comprises an equipment cabin fixedly arranged at the top end of the frame body, and a hydraulic pump station for providing power for the whole positioning and leveling device, a posture instrument for detecting the state of the frame body, a level instrument, a verticality detector, an illuminating lamp and a camera are arranged in the equipment cabin; a motor starting cabinet for controlling the starting and stopping of the hydraulic pump station is arranged in the hydraulic pump station, and hydraulic pressure is distributed to control boxes of hydraulic driving mechanisms of all mechanisms.
Further, the pile inserting and leveling subsystem comprises 4 positioning pile cylinders uniformly and circumferentially fixed at the lower end of the frame body, and the positioning pile cylinders drive pile legs to penetrate through the positioning pile anti-sinking plate and insert into or pull out of the seabed surface; the locating pile anti-sinking plate is provided with evenly distributed water guide holes.
Further, the closure and cantilever truss and/or the guide cylinder and the frame body are adapted to pile foundation construction with different center distances by adding flange connection modules or replacing closure (306) with different specifications.
Further, the hydraulic pump station further comprises a centralized control console arranged on the engineering ship, wherein the centralized control console comprises a controller, an industrial personal computer and a display screen, receives detection signals of the control detection subsystem, and sends the control signals to a control box in the hydraulic pump station after processing.
Further, the middle part of the lower end of the frame body is fixedly provided with a weight box with an open upper end, a plurality of round holes are formed in the periphery of the weight box and the wall of the bottom box so as to be convenient for seawater to flow out, a balancing weight is placed in the weight box according to the requirement, and the bottom plate of the weight box is also used as an anti-sinking plate.
Further, the frame body is formed by welding steel pipes with different specifications in a V-shaped structure or a cross-shaped structure.
Further, an underwater electric submersible pump is arranged on the two-layer pipe frame at the lower part of the frame body.
Further, the lower ends of the frame bodies are fixedly connected with 8 slings respectively, 4 slings are assembled in pairs at the 1/3 position of the lower section of the frame bodies through a lock catch, and the 4 slings are assembled at one point above the frame bodies.
The invention also provides a construction process of the submarine pile foundation leveling and guiding system, which comprises the following steps:
1) Hoisting the pile foundation leveling guide device to a target seabed position through a crane on the engineering ship;
2) After the frame body reaches the sea floor, the crane is unhooked when the azimuth is adjusted according to the construction requirement and the crane is stable and motionless;
3) According to whether the data fed back by the attitude meter, the level meter and the verticality detector of the control detection mechanism meet the construction requirement, adjusting the depth of one or more positioning spud legs inserted into the sea bed surface to enable the horizontal attitude of the device to reach the standard;
4) The engineering ship lifts the engineering pile into the sea, the engineering pile is placed at a distance of 2-3 meters above the guide cylinder according to the engineering pile and the scale on the frame body, and then the engineering pile is translated and lowered into the opening in an open state;
5) After a downer Cheng Zhuang enters the guide cylinder, closing the arc-shaped holding arm, starting the pushing oil cylinder, and adjusting the perpendicularity of the engineering pile when the engineering pile is inserted into the seabed mud surface and is stable;
6) Inserting a second engineering pile at the opposite angle into the seabed according to the steps;
7) Fixing a pile driving hammer to the top end of the engineering pile and driving the pile driving hammer, and after the pile driving hammer reaches about 1 meter above the tap hole, transferring into another engineering pile and driving the engineering pile to the same height;
8) After the construction positioning of the two engineering piles is completed, the third engineering pile and the fourth engineering pile are constructed to the same height;
9) Removing a pile driving hammer, fixing a pile driver at the top end of the engineering pile, and then using the pile driving hammer to drive the pile driver, and sequentially driving four engineering piles to the depth required by construction;
10 During the initial piling process, correcting the perpendicularity of the engineering pile through one or more pushing cylinders according to the data fed back by the perpendicularity detector in real time, so that the engineering pile always meets the engineering requirements;
11 And (3) after the construction of the engineering pile is completed, withdrawing the pushing cylinder, pulling out the pile leg and lifting the frame body.
Compared with the prior art, the invention not only can level the frame body, but also can detect and correct the perpendicularity of the engineering pile in real time, thereby reducing the construction difficulty, greatly improving the engineering construction efficiency and ensuring the construction quality. The structure is light, the transition is convenient, and the popularization is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic elevational view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a partial enlarged view at a in fig. 2.
Fig. 4 is a partial enlarged view at B in fig. 2.
Fig. 5 is a schematic structural diagram of one of the engineering pile straightening subsystems according to the present invention.
Fig. 6 is a schematic structural view of an arc-shaped embracing arm of the embracing pile straightening subsystem in an open state.
Fig. 7 is a schematic structural view of an arc-shaped embracing arm of the embracing pile straightening subsystem in a embracing state.
Fig. 8 is a control flow chart of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or connected internally of two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The submarine pile foundation leveling and guiding system as shown in fig. 1-8 comprises a pile inserting and leveling subsystem (200) arranged at the bottom of a frame body (100), an engineering pile straightening subsystem 300 arranged at the upper end and the lower end of the frame body 100, and a control and detection subsystem 400. The frame 100 includes 4 cross-shaped cantilever trusses 101 fixedly arranged at the top end thereof.
The pile inserting leveling subsystem 200 comprises 4 positioning pile oil cylinders 201 which are uniformly and circumferentially arranged at the lower end of the frame body 100, wherein the positioning pile oil cylinders 201 drive pile legs 202 to penetrate through positioning pile anti-sinking plates 203 to be inserted into or pulled out of a seabed surface; the positioning pile anti-sinking plate 203 is provided with evenly distributed water guide holes.
The engineering pile straightening subsystem 300 comprises 4 guide cylinders 301 which are fixedly arranged at the lower section of the frame body 100 in a cross shape, wherein guide ribs 302 are uniformly distributed on the inner wall of each guide cylinder 301 along the circumferential direction, a horn mouth 303 is fixedly connected to the upper end of each guide cylinder 301, and a guard plate 304 is fixedly connected in the semicircular range of the inner side of the upper end of each horn mouth 303; the detachable cantilever truss 101 is connected to the outer end of each cantilever truss 101, a tap 306 with a U-shaped inner profile is arranged, the circle center of the tap 306 is concentric with the circle center of the guide cylinder 301 up and down, one side of the tap 306 is hinged with an arc holding arm 307 which can be opened and closed, and the other sides of the tap 306 and the arc holding arm 307 are provided with a bolt locking hole 308; 2 pushing oil cylinders 309 are respectively and fixedly arranged at the inner side of the dragon mouth 306 and the two ends close to the arc-shaped holding arms 407, and a pushing wheel 310 is rotatably arranged at the end part of each cylinder rod of each pushing oil cylinder 403.
The control monitoring system 400 comprises an equipment cabin fixedly arranged at the top end of the frame body 100, and a hydraulic pump station for providing power for the whole positioning and leveling device, an attitude indicator for detecting the state of the frame body, a level indicator, a verticality detector, an illuminating lamp and a camera are arranged in the equipment cabin; a motor starting cabinet for controlling the starting and stopping of the hydraulic pump station is arranged in the hydraulic pump station, and hydraulic pressure is distributed to control boxes of hydraulic driving mechanisms of all mechanisms.
The system also comprises a centralized control console arranged on the engineering ship, wherein the centralized control console comprises a controller, an industrial personal computer and a display screen, receives detection signals of the control detection subsystem 400, and sends the control signals to a control box in the hydraulic pump station after processing.
In another preferred embodiment, the frame body 100 is welded by steel pipes of different specifications in a V-shaped structure or a cross-shaped structure; the tap 306 is detachably connected with the cantilever truss 101 and/or the guide cylinder 301 and the frame body 100 through 1 flange connection module or the tap 306 with different specifications is replaced to adapt to pile foundation construction with different center distances; the middle part of the lower end of the frame body 100 is fixedly provided with a weight box 101 with an open upper end, a plurality of round holes are formed in the periphery and the bottom wall of the weight box so as to be convenient for seawater to flow out, a balancing weight is placed in the weight box 101 according to the requirement, and the bottom plate of the weight box is also used as an anti-sinking plate; the two-layer pipe frame at the lower part of the frame body 100 is provided with an underwater electric submersible pump for spraying and punching a counter weight cabin bottom anti-sinking plate and a positioning pile anti-sinking plate so as to prevent sediment accumulation; the lower ends of the frame body 100 are respectively fixedly connected with 8 slings, 4 slings are assembled in pairs at the 1/3 position of the lower section of the frame body 100 through a lock catch, and the 4 slings are assembled at one point above the frame body 100.
The construction process comprises the following steps:
1) Hoisting the pile foundation leveling guide device to a target seabed position through a crane on the engineering ship;
2) After the frame body reaches the sea floor, the crane is unhooked when the azimuth is adjusted according to the construction requirement and the crane is stable and motionless;
3) According to whether the data fed back by the attitude meter, the level meter and the verticality detector of the control detection mechanism meet the construction requirement, adjusting the depth of one or more positioning spud legs inserted into the sea bed surface to enable the horizontal attitude of the device to reach the standard;
4) The engineering ship lifts the engineering pile into the sea, the engineering pile is placed at a distance of 2-3 meters above the guide cylinder according to the engineering pile and the scale on the frame body, and then the engineering pile is translated and lowered into the opening in an open state;
5) After a downer Cheng Zhuang enters the guide cylinder, closing the arc-shaped holding arm, starting the pushing oil cylinder, and adjusting the perpendicularity of the engineering pile when the engineering pile is inserted into the seabed mud surface and is stable;
6) Inserting a second engineering pile at the opposite angle into the seabed according to the steps;
7) Fixing a pile driving hammer to the top end of the engineering pile and driving the pile driving hammer, and after the pile driving hammer reaches about 1 meter above the tap hole, transferring into another engineering pile and driving the engineering pile to the same height;
8) After the construction positioning of the two engineering piles is completed, the third engineering pile and the fourth engineering pile are constructed to the same height;
9) Removing a pile driving hammer, fixing a pile driver at the top end of the engineering pile, and then using the pile driving hammer to drive the pile driver, and sequentially driving four engineering piles to the depth required by construction;
10 During the initial piling process, correcting the perpendicularity of the engineering pile through one or more pushing cylinders according to the data fed back by the perpendicularity detector in real time, so that the engineering pile always meets the engineering requirements;
11 And (3) after the construction of the engineering pile is completed, withdrawing the pushing cylinder, pulling out the pile leg and lifting the frame body.
The present invention is not described in detail in the prior art or common general knowledge in the art.
Claims (10)
1. The submarine pile foundation leveling and guiding system comprises a pile inserting and leveling subsystem (200) arranged at the bottom of a frame body (100), and is characterized in that the frame body (100) comprises 4 cross-shaped cantilever trusses (101) fixedly arranged at the top end of the frame body, an engineering pile straightening subsystem (300) and a control and detection subsystem (400); the engineering pile straightening subsystem (300) comprises 4 guide cylinders (301) fixedly arranged at the lower section of the frame body (100) in a cross shape, guide ribs (302) are uniformly distributed on the inner wall of the guide cylinders (301) along the circumferential direction, a horn mouth (303) is fixed at the upper end of the guide cylinders (301), and a guard plate (304) is fixedly connected in the semicircular range at the inner side of the upper end of the horn mouth (303); the detachable cantilever trusses (101) are connected to the outer ends of the cantilever trusses (101), the inner profile of each cantilever truss is a U-shaped dragon mouth (306), the circle center of each dragon mouth (306) is concentric with the circle center of the guide cylinder (301) up and down, one side of each dragon mouth (306) is hinged with an arc holding arm (307) which can be opened and closed, and the other sides of the dragon mouth (306) and the arc holding arms (307) are provided with bolt locking holes (308); the inner side of the dragon mouth (306) and the two ends close to the arc-shaped holding arm (407) are respectively fixedly provided with 2 pushing oil cylinders (309), and the end part of the cylinder rod of each pushing oil cylinder (403) is rotatably provided with a pushing wheel (310).
2. The submarine pile foundation leveling and guiding system according to claim 1, wherein the control and monitoring system (400) comprises an equipment cabin fixedly arranged at the top end of the frame body (100), and a hydraulic pump station for providing power for the whole positioning and leveling device, an attitude indicator for detecting the state of the frame body, a level, a perpendicularity detector, an illuminating lamp and a camera are arranged in the equipment cabin; a motor starting cabinet for controlling the starting and stopping of the hydraulic pump station is arranged in the hydraulic pump station, and hydraulic pressure is distributed to control boxes of hydraulic driving mechanisms of all mechanisms.
3. The submarine pile foundation leveling and guiding system according to claim 1, wherein the pile inserting and leveling subsystem (200) comprises 4 pile positioning cylinders (201) which are uniformly and circumferentially fixed at the lower end of the frame body (100), and the pile positioning cylinders (201) drive pile legs (202) to insert into or pull out of a seabed through the pile positioning anti-sinking plate (203); the locating pile anti-sinking plate (203) is provided with evenly distributed water guide holes.
4. The submarine pile foundation leveling and guiding system according to claim 1, wherein the tap (306) and the cantilever truss (305) and/or the guiding cylinder (301) and the frame body (100) are adapted to pile foundation construction with different center distances by adding flange connection modules or by replacing tap (306) with different specifications.
5. The submarine pile foundation leveling and guiding system according to claim 1, further comprising a centralized control platform arranged on the engineering ship, wherein the centralized control platform comprises a controller, an industrial personal computer and a display screen, the centralized control platform receives detection signals of the control detection subsystem (400), and the control signals are sent to a control box in the hydraulic pump station after being processed.
6. The submarine pile foundation leveling and guiding system according to claim 1, wherein a weight box (101) with an open upper end is fixedly arranged in the middle of the lower end of the frame body (100), a plurality of round holes are formed in the periphery of the weight box and in the wall of the bottom box so as to facilitate seawater outflow, a balancing weight is placed in the weight box (101) according to requirements, and a bottom plate of the weight box also serves as an anti-sinking plate.
7. The submarine pile foundation leveling and guiding system according to claim 1, characterized in that the frame body (100) is formed by welding steel pipes with different specifications in a V-shaped structure or a cross-shaped structure.
8. A guiding system for levelling a pile foundation of a sea floor according to claim 1, characterized in that the two-layer pipe frame at the lower part of the frame body (100) is provided with an underwater electric submersible pump.
9. The submarine pile foundation leveling and guiding system according to claim 1, wherein 8 slings are fixedly connected to the lower end of the frame body (100) respectively, 4 slings are assembled in pairs at 1/3 of the lower section of the frame body (100) through a lock catch, and the 4 slings are assembled at one point above the frame body (100).
10. The construction process of the submarine pile foundation leveling and guiding system is characterized by comprising the following steps of:
1) Hoisting the pile foundation leveling guide device to a target seabed position through a crane on the engineering ship;
2) After the frame body reaches the sea floor, the crane is unhooked when the azimuth is adjusted according to the construction requirement and the crane is stable and motionless;
3) According to whether the data fed back by the attitude meter, the level meter and the verticality detector of the control detection mechanism meet the construction requirement, adjusting the depth of one or more positioning spud legs inserted into the sea bed surface to enable the horizontal attitude of the device to reach the standard;
4) The engineering ship lifts the engineering pile into the sea, the engineering pile is placed at a distance of 2-3 meters above the guide cylinder according to the engineering pile and the scale on the frame body, and then the engineering pile is translated and lowered into the opening in an open state;
5) After a downer Cheng Zhuang enters the guide cylinder, closing the arc-shaped holding arm, starting the pushing oil cylinder, and adjusting the perpendicularity of the engineering pile when the engineering pile is inserted into the seabed mud surface and is stable;
6) Inserting a second engineering pile at the opposite angle into the seabed according to the steps;
7) Fixing a pile driving hammer to the top end of the engineering pile and driving the pile driving hammer, and after the pile driving hammer reaches about 1 meter above the tap hole, transferring into another engineering pile and driving the engineering pile to the same height;
8) After the construction positioning of the two engineering piles is completed, the third engineering pile and the fourth engineering pile are constructed to the same height;
9) Removing a pile driving hammer, fixing a pile driver at the top end of the engineering pile, and then using the pile driving hammer to drive the pile driver, and sequentially driving four engineering piles to the depth required by construction;
10 During the initial piling process, correcting the perpendicularity of the engineering pile through one or more pushing cylinders according to the data fed back by the perpendicularity detector in real time, so that the engineering pile always meets the engineering requirements;
11 And (3) after the construction of the engineering pile is completed, withdrawing the pushing cylinder, pulling out the pile leg and lifting the frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310215476.6A CN116397649A (en) | 2023-03-08 | 2023-03-08 | Submarine pile foundation leveling guide system and construction process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310215476.6A CN116397649A (en) | 2023-03-08 | 2023-03-08 | Submarine pile foundation leveling guide system and construction process |
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| CN116397649A true CN116397649A (en) | 2023-07-07 |
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| CN202310215476.6A Pending CN116397649A (en) | 2023-03-08 | 2023-03-08 | Submarine pile foundation leveling guide system and construction process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116732961A (en) * | 2023-08-14 | 2023-09-12 | 浙江华东岩土勘察设计研究院有限公司 | Positioning system of offshore jack-up platform |
| CN116837848A (en) * | 2023-09-01 | 2023-10-03 | 中交第一航务工程局有限公司 | Underwater multi-pile piling guide device and application method thereof |
| CN117190818A (en) * | 2023-11-08 | 2023-12-08 | 中国电建市政建设集团有限公司 | Pile core positioning device and pile core positioning method |
-
2023
- 2023-03-08 CN CN202310215476.6A patent/CN116397649A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116732961A (en) * | 2023-08-14 | 2023-09-12 | 浙江华东岩土勘察设计研究院有限公司 | Positioning system of offshore jack-up platform |
| CN116732961B (en) * | 2023-08-14 | 2023-10-31 | 浙江华东岩土勘察设计研究院有限公司 | Positioning system of offshore jack-up platform |
| CN116837848A (en) * | 2023-09-01 | 2023-10-03 | 中交第一航务工程局有限公司 | Underwater multi-pile piling guide device and application method thereof |
| CN116837848B (en) * | 2023-09-01 | 2024-01-23 | 中交第一航务工程局有限公司 | Underwater multi-pile piling guide device and application method thereof |
| CN117190818A (en) * | 2023-11-08 | 2023-12-08 | 中国电建市政建设集团有限公司 | Pile core positioning device and pile core positioning method |
| CN117190818B (en) * | 2023-11-08 | 2024-01-26 | 中国电建市政建设集团有限公司 | Pile core positioning device and pile core positioning method |
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