CN219586726U - Ocean bottom-sitting type mounting platform - Google Patents
Ocean bottom-sitting type mounting platform Download PDFInfo
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- CN219586726U CN219586726U CN202223559084.1U CN202223559084U CN219586726U CN 219586726 U CN219586726 U CN 219586726U CN 202223559084 U CN202223559084 U CN 202223559084U CN 219586726 U CN219586726 U CN 219586726U
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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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Abstract
The utility model discloses a marine bottom-sitting type mounting platform which is more convenient and reliable to use, comprising a lower floating body, a stand column, a deck and a pontoon, wherein a seawater input pipe is arranged on the pontoon and connected with a high-pressure pump, the high-pressure pump is communicated with a reservoir through a water inlet pipe, a water outlet main pipe is arranged at a water outlet of the reservoir and is provided with a remote control electric control valve, the water outlet main pipe is communicated with a plurality of stamping branch pipes through a split joint, each stamping branch pipe is connected with a bottoming unit arranged in the lower floating body, and the bottom of the bottoming unit is not higher than the lower surface of the lower floating body; the bottom-contacting unit sequentially comprises a metal sealing cover, an elastic round rubber plate and an annular pressing seat from top to bottom, wherein the top of the metal sealing cover is provided with a water inlet and a water outlet connected with a stamping branch pipe, an elastic sealing ring is arranged between the edge of the metal sealing cover and the annular pressing seat, the metal sealing cover and the elastic sealing ring are fixed on the annular pressing seat through a plurality of screws, and the edge of the round rubber plate is tightly pressed between the metal sealing cover and the annular pressing seat.
Description
Technical Field
The utility model belongs to the technical field of ocean platforms, and particularly relates to an ocean bottom-mounted type mounting platform.
Background
The bottom-sitting type mounting platform mainly comprises a deck, upright posts, pontoons and a lower floating body, wherein the lower floating body mainly plays a supporting role, and is used as a bearing structure directly contacted with soil, so that the self weight and the operation load of the platform are born, and the stability of the platform in the pile standing process is ensured. The floating structure is thus the core component for ensuring the safety of the platform.
The floating body of the existing bottom-mounted mounting platform is generally circular, rectangular or polygonal in appearance. The platform is floated and needs to be plugged, in the plugging process, the adsorption force of the seabed hard clay to the floating body is larger, the longer the plugging time is, the higher the requirement on the buoyancy adjustment capability of the platform is, the plugging difficulty is correspondingly increased, so that the auxiliary plugging of a pile punching system is often needed, but the existing pile punching system mainly removes sea mud on the bottom surface of the floating body through a nozzle, the pile punching pipeline is complicated to arrange, the situation that a branch pipe and a main loop pipeline are blocked by seabed soil frequently occurs in use, the maintenance is difficult, the pile punching system is invalid, and the pile punching difficulty is greatly increased. Meanwhile, in the bottom sitting process, under the condition that the floating body of the platform bears longitudinal and transverse pressure on the sea bottom, the existing floating body is easy to slide sideways, so that the instability of the platform is caused, and the capability of bearing wind waves is poor.
The utility model discloses a pile punching system of a self-elevating wind power installation platform and a use method thereof, as disclosed in CN202111487631.7, which specifically discloses: the pile driving device comprises a ship body, pile fixing chambers are arranged at four corners of the ship body, pile legs are arranged in the pile fixing chambers in an up-down penetrating mode, pile shoes extending into the sea bottom are arranged at the bottom ends of the pile legs, and pile punching pipelines are arranged in the pile shoes extending downwards in the single pile legs; the cabin of the ship body is internally provided with an air supply and water supply system, the air supply and water supply system comprises a high-pressure water supply system, a low-pressure water supply system and an air supply system, and the air supply and water supply system supplies water or air to the pile flushing pipeline through water-air supply pipelines corresponding to the pile legs one by one. According to the technical scheme, sea mud on the surface of the pile shoe is removed through the high-pressure water supply system, the low-pressure water supply system and the air supply system to realize pile pulling, the situation that a pile flushing pipeline is complicated in arrangement, a branch pipe and a main loop pipeline are blocked by seabed soil easily occurs in use, maintenance is difficult, the pile flushing system is invalid, and the pile flushing difficulty is increased.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the ocean bottom-mounted mounting platform is more convenient and reliable to use.
In order to solve the technical problems, the utility model adopts the following technical scheme: a marine bottom-supported mounting platform comprises a lower floating body, at least four upright posts, a deck and a pontoon;
the lower floating body is a closed hollow shell, and the bottom of the lower floating body is provided with a liquid level measuring instrument for measuring the submergence depth of the platform; cylindrical pontoons with the same number as the sides of the lower floating body are uniformly distributed around the central axis of the lower floating body at the periphery of the lower floating body, ballast tanks capable of containing ballast water for discharging ballast are arranged in the pontoons, and fixed ballast blocks are arranged at the bottommost part in the lower floating body;
the upright posts are uniformly arranged on the lower floating body, and the cross section of the upright posts from the bottom to the top gradually transits from square to round; the deck is erected on all the upright posts and is used for arranging deck equipment and wind power installation operation; the lower floating body is in a regular octagon ring shape, and a moon pool which penetrates up and down is arranged in the middle of the lower floating body; the buoy is provided with a seawater input pipe, a remote control valve for controlling seawater to enter is arranged on the seawater input pipe, the seawater input pipe is connected with a high-pressure pump, the high-pressure pump is communicated with a reservoir through a water inlet pipe, a water outlet of the reservoir is provided with a water outlet main pipe, the water outlet main pipe is provided with a remote control electric control valve, the water outlet main pipe is communicated with a plurality of stamping branch pipes through a split joint, each stamping branch pipe is connected with a bottoming unit arranged in a lower floating body, and the bottom of the bottoming unit is not higher than the lower surface of the lower floating body; the bottom-contacting unit sequentially comprises a metal sealing cover, an elastic round rubber plate and an annular pressing seat from top to bottom, wherein the top of the metal sealing cover is provided with a water inlet and a water outlet connected with a stamping branch pipe, an elastic sealing ring is arranged between the edge of the metal sealing cover and the annular pressing seat, the metal sealing cover and the elastic sealing ring are fixed on the annular pressing seat through a plurality of screws, and the edge of the round rubber plate is tightly pressed between the metal sealing cover and the annular pressing seat.
As a preferable scheme, the lower floating body is in an octagonal ring shape, and 8 bottoming units are respectively distributed on eight sides of the octagonal ring shape.
As a preferable scheme, the lower surface of the round rubber plate is provided with raised spiral reinforcing ribs.
As a preferable scheme, the spiral equation of the spiral reinforcing rib of the circular rubber plate is as follows:
as a preferable scheme, the annular pressing seat is provided with a containing groove matched with the edge of the circular rubber plate.
The beneficial effects of the utility model are as follows:
when the device is at the bottom, soil and the round rubber plate can be firmly attached, so that the platform is more stable and the use is reliable; when the pile is punched, the high-pressure water pump is kept to work continuously when the water pressure in the reservoir is sufficient, the water pressure of the reservoir is further ensured to be stable, the electric control valve is opened, water flows are dispersed to each punching branch pipe through the water outlet main pipe, the water flows enter the interlayer space of the metal sealing cover and the circular rubber, under the continuous action of the water pressure and the gravity of seawater, the circular rubber is deformed outwards due to the existence of sea mud adhesive force, the pile is punched, the platform is pulled out easily, the pile punching difficulty is low, the pile punching effect is ideal, and the use is more convenient. And the pile punching pipeline system in the equipment is simple and is convenient to maintain.
Because the lower floating body is in an octagonal ring shape, the heave damping of the platform can be increased, and the heave motion of the platform is reduced, so that the stability of the whole platform is high. Because the spiral reinforcing ribs are arranged on the lower side surface of the round rubber plate, the horizontal and longitudinal anti-sliding capacity of the floating body under the platform is enhanced by the bottoming unit, the round rubber and the spiral reinforcing ribs in the bottoming process, and the stability of the platform in the pile standing process is further ensured.
Drawings
FIG. 1 is an overall side view of a mounting platform in an embodiment of the utility model;
FIG. 2 is a top view of the lower floating body distribution in an embodiment of the present utility model;
FIG. 3 is a front view of a bottoming unit according to an embodiment of the present utility model;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a schematic view of a spiral stiffener path according to an embodiment of the present utility model;
FIG. 6 is a working condition diagram of a circular rubber plate according to the utility model;
in the figure: 1 is a remote control valve, 2 is a high-pressure pump, 3 is a water inlet pipe, 4 is a reservoir, 5 is an electric control valve, 6 is a water outlet main pipe, 7 is a split joint, 8 is a stamping branch pipe, 9 is an annular pressure seat the steel plate is characterized in that the steel plate is composed of a screw 10, a metal sealing cover 11, an elastic sealing ring 12, a spiral reinforcing rib 13, circular rubber 14, a lower floating body 15, a vertical column 16, a floating pontoon 17 and a deck 18.
Detailed Description
Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, a marine submersible mounting platform includes a lower pontoon 15, columns 16, a deck 18, and pontoons 17.
The lower floating body 15 is of a regular octagon annular single-shell single-bottom structure, the lower floating body 15 is a closed hollow shell, a moon pool which penetrates up and down is arranged in the middle of the lower floating body, and a liquid level measuring instrument for measuring the submergence depth of the platform is arranged at the bottom of the lower floating body 15. The lower floating body 15 is arranged into an octagonal ring structure, and has the characteristics of large height-width ratio and high structural stability; the middle part of the lower floating body 15 is provided with a moon pool which is vertically communicated, and as seawater can enter the moon pool from the sea bottom and form a free liquid level in the moon pool, the moon pool can increase the heave damping of the ocean bottom-mounted platform and reduce the heave motion of the ocean bottom-mounted platform, and the ocean bottom-mounted platform has the characteristics of high stability and light weight.
The periphery of the lower floating body 15 is circumferentially and uniformly provided with cylindrical floating bodies 17 with the same number as the sides of the lower floating body 15 around the central axis of the lower floating body 15, and every two floating bodies 17 are in a group; the pontoon 17 is provided with a ballast tank for holding ballast water for discharging ballast, and the bottommost part of the lower pontoon 15 is provided with a fixed ballast block for lowering the center of gravity of the bottommost movable offshore platform to improve the stability thereof.
The upright posts 16 are at least four, the upright posts 16 are uniformly arranged on the ring edge of the lower floating body 15, the cross section of the upright posts 16 from the bottom to the top gradually transits from square to round, the arrangement is favorable for the upright posts 16 to generate viscous damping, the upright posts have good wave resistance performance, the stability of the platform is improved, meanwhile, the platform is submerged to the upright posts 16 to be drafted in the operation process, the water plane is round, and compared with the square water plane, the anti-overturning capability and the anti-horizontal sliding capability of the platform are improved; meanwhile, the main body part of the upright post 16 is of a circular section, no edge exists, the stress concentration is less, and the service life of the upright post 16 is prolonged.
The deck 18 is erected on the upright posts 16, the deck 18 is used for arranging deck 18 equipment and wind power installation operation, and a crane is arranged on the deck 18.
The pontoon 17 is provided with a seawater input pipe, the seawater input pipe is provided with a remote control valve 1 for controlling seawater to enter, the seawater input pipe is connected with a high-pressure pump 2, the high-pressure pump 2 is communicated with a reservoir 4 through a water inlet pipe 3, a water outlet of the reservoir 4 is provided with a water outlet main pipe 6, the water outlet main pipe 6 is provided with a remote control electric control valve 5, the water outlet main pipe 6 is communicated with 8 stamping branch pipes 8 through a split joint 7, each stamping branch pipe 8 is connected with a bottoming unit arranged in a lower floating body 15, the lower floating body 15 is in an octagonal ring shape, the 8 bottoming units are respectively distributed on eight sides of the octagonal ring shape, and the bottom of the bottoming unit is not higher than the lower surface of the lower floating body 15;
the bottom unit sequentially comprises a metal sealing cover 11, an elastic round rubber plate 14 and an annular pressing seat 9 from top to bottom, wherein the top of the metal sealing cover 11 is provided with a water inlet and a water outlet which are connected with a punching branch pipe 8, an elastic sealing ring 12 is arranged between the edge of the metal sealing cover 11 and the annular pressing seat 9, the metal sealing cover 11 and the elastic sealing ring 12 are fixed on the annular pressing seat through a plurality of screws 10, the annular pressing seat is provided with a containing groove matched with the edge of the round rubber plate 14, and the edge of the round rubber plate 14 is tightly pressed between the metal sealing cover 11 and the annular pressing seat 9.
As shown in fig. 5, the lower surface of the circular rubber plate 14 is provided with a raised spiral reinforcing rib 13, and the spiral equation is as follows:
as shown in fig. 6, initially, the circular rubber plate 14 is in an initial state, when sitting on the bottom, the circular rubber plate 14 is deformed upwards under the action of the seabed sludge and the sand, and the working condition is changed from sitting on the bottom 1 to sitting on the bottom 2 to sitting on the bottom 3 until the circular rubber plate 14 is attached to the metal cover 11; when floating, the circular rubber plate 14 changes the working condition into the bottom 3, the bottom 2, the bottom 1, the initial, the floating 1, the floating 2 and the floating 3 under the combined action of the impact and the gravity of the water entering from the water inlet of the metal sealing cover 11 and the adhesive force of the seabed silt sand stone until the floating body 15 under the platform leaves the seabed.
When sitting on the bottom, the bottom unit, the round rubber plate 14 and the spiral reinforcing ribs 13 strengthen the anti-sliding capacity of the floating body in the transverse direction and the longitudinal direction, so that the whole platform is more stable.
When floating, when the water pressure in the cistern is sufficient, keep high-pressure water pump continuous operation, and then guarantee the water pressure stability of cistern, open electric control valve, rivers are dispersed to each punching branch pipe through play water header pipe, get into the intermediate layer space of metal closing cap and circular rubber, under the continuous effect of water pressure and sea water gravity, thereby add the existence of sea mud adhesive force, make circular rubber outwards deform and dash the stake, the platform is pulled out very easily, dashes the stake degree of difficulty low and dashes the stake effect ideal.
The pile punching method of the ocean bottom-sitting type mounting platform specifically comprises the following steps:
step one: the method comprises the steps of storing water, opening a remote control valve 1 connected with a pontoon 17, connecting a water inlet of a water storage tank 4 with a high-pressure pump 2 through a water inlet pipe 3, and starting the high-pressure pump 2 to continuously supply seawater to the water storage tank 4 through the water inlet pipe 3; seawater is adopted, so that the materials are available locally, and the method is convenient and low in cost;
step two: when the water pressure in the reservoir 4 is sufficient, the electric control valve 5 is opened, and the seawater passes through the water outlet main pipe 6 to reach the diversion joint 7;
step three: the water flow is dispersed to each stamping branch pipe 8, enters the interlayer space of the metal sealing cover 11 and the circular rubber plate 14 through the water inlet on the metal sealing cover 11, and under the continuous action of water pressure and seawater gravity, the circular rubber plate 14 is deformed outwards to stamp piles by adding the existence of sea mud adhesive force;
step four: continuously feeding water, keeping the high-pressure water pump 2 continuously working, keeping the water feeding flow constant, and further ensuring the stable water pressure of the reservoir 4;
step five: closing, namely after the floating body 15 under the platform is separated from the sea floor, completing pile pulling, stopping the water supply of the high-pressure water pump 2 to the reservoir 4, and closing the electric control valve;
step six: the platform floats upwards.
The above-described embodiments are merely illustrative of the principles and functions of the present utility model, and some of the practical examples, not intended to limit the utility model; it should be noted that modifications and improvements can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the present utility model.
Claims (5)
1. A marine bottom-supported mounting platform comprises a lower floating body, at least four upright posts, a deck and a pontoon;
the lower floating body is a closed hollow shell, and the bottom of the lower floating body is provided with a liquid level measuring instrument for measuring the submergence depth of the platform; cylindrical pontoons with the same number as the sides of the lower floating body are uniformly distributed around the central axis of the lower floating body at the periphery of the lower floating body, ballast tanks capable of containing ballast water for discharging ballast are arranged in the pontoons, and fixed ballast blocks are arranged at the bottommost part in the lower floating body;
the upright posts are uniformly arranged on the lower floating body, and the cross section of the upright posts from the bottom to the top gradually transits from square to round; the deck is erected on all the upright posts and is used for arranging deck equipment and wind power installation operation; the method is characterized in that: the lower floating body is in a regular octagon ring shape, and a moon pool which penetrates up and down is arranged in the middle of the lower floating body; the buoy is provided with a seawater input pipe, the seawater input pipe is provided with a remote control valve for controlling seawater to enter, the seawater input pipe is connected with a high-pressure pump, the high-pressure pump is communicated with a reservoir through a water inlet pipe, a water outlet of the reservoir is provided with a water outlet main pipe, the water outlet main pipe is provided with a remote control electric control valve, the water outlet main pipe is communicated with a plurality of stamping branch pipes through a split joint, each stamping branch pipe is connected with a bottoming unit arranged in a lower floating body, and the bottom of the bottoming unit is not higher than the lower surface of the lower floating body; the bottom-contacting unit sequentially comprises a metal sealing cover, an elastic round rubber plate and an annular pressing seat from top to bottom, wherein the top of the metal sealing cover is provided with a water inlet and a water outlet connected with a stamping branch pipe, an elastic sealing ring is arranged between the edge of the metal sealing cover and the annular pressing seat, the metal sealing cover and the elastic sealing ring are fixed on the annular pressing seat through a plurality of screws, and the edge of the round rubber plate is tightly pressed between the metal sealing cover and the annular pressing seat.
2. A marine submersible mounting platform as claimed in claim 1 wherein: the lower floating body is in an octagonal ring shape, and 8 bottoming units are respectively distributed on eight sides of the octagonal ring shape.
3. A marine submersible mounting platform as claimed in claim 1 wherein: the lower surface of the round rubber plate is provided with raised spiral reinforcing ribs.
4. A marine submersible mounting platform as claimed in claim 3 wherein: the spiral equation of the spiral reinforcing rib of the circular rubber plate is as follows:
5. a marine submersible mounting platform as claimed in any one of claims 1 to 4 wherein: the annular pressing seat is provided with a containing groove matched with the edge of the round rubber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559084.1U CN219586726U (en) | 2022-12-30 | 2022-12-30 | Ocean bottom-sitting type mounting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223559084.1U CN219586726U (en) | 2022-12-30 | 2022-12-30 | Ocean bottom-sitting type mounting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219586726U true CN219586726U (en) | 2023-08-25 |
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ID=87688028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223559084.1U Active CN219586726U (en) | 2022-12-30 | 2022-12-30 | Ocean bottom-sitting type mounting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219586726U (en) |
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2022
- 2022-12-30 CN CN202223559084.1U patent/CN219586726U/en active Active
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