CN219989468U - Suspended positioning platform for offshore pile sinking - Google Patents
Suspended positioning platform for offshore pile sinking Download PDFInfo
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- CN219989468U CN219989468U CN202321366019.9U CN202321366019U CN219989468U CN 219989468 U CN219989468 U CN 219989468U CN 202321366019 U CN202321366019 U CN 202321366019U CN 219989468 U CN219989468 U CN 219989468U
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- 239000000725 suspension Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 19
- 230000008901 benefit Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000004873 anchoring Methods 0.000 description 6
- 238000007667 floating Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation 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
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model belongs to the field of large steel cylinder vibration sinking construction devices, and relates to a suspension type positioning platform for offshore pile sinking, which is characterized in that: including platform main part frame, buoyancy tank, anchor system and direction enclasping device install the buoyancy tank on the platform main part frame, the bottom four corners department of platform main part frame weighs down and is equipped with the anchor system, the direction enclasping device include preceding direction enclasping device and back direction enclasping device, the preceding direction enclasping device of relative setting about all installing at the front portion both ends of platform main part, the back direction enclasping device of relative setting about installing at the rear portion both ends symmetry of platform main part. The suspended positioning platform for the offshore pile sinking has the advantages of being scientific and reasonable in structural design, convenient to construct, capable of improving pile sinking efficiency, saving pile sinking cost, shortening construction period and easy to realize.
Description
Technical Field
The utility model belongs to the field of pile sinking construction devices of wind power piles, and relates to a positioning platform, in particular to a suspension type positioning platform for offshore pile sinking.
Background
Wind power generation is used as a clean energy power generation mode, and is increasingly applied in the global scope due to the advantage of utilizing renewable resources. The offshore wind power generation has the advantages of stable wind speed, high wind speed, no occupation of land resources and the like, and is an important development object of the current wind power generation. However, there are obvious problems in constructing offshore wind farms, one of which is that the construction cost of foundation works is much higher than that of onshore wind farms. Therefore, how to reduce the construction cost of the offshore wind farm is a key place for the development of offshore wind power.
The construction method for sinking the steel pile in the traditional offshore wind power pile foundation adopts a positioning and hoisting ship hoisting construction method for a bottom-supported pile stabilizing platform. In the traditional construction method, the bottom-supported pile stabilizing and positioning platform is greatly influenced by external environmental factors such as wind, waves, water flow and the like, auxiliary piles are needed to be driven, a crane ship is needed to hoist when the positioning platform is shifted, and the construction period is long and the efficiency is low.
Disclosure of Invention
The utility model aims to provide the suspended positioning platform for the offshore pile sinking, which has scientific and reasonable structural design, is convenient to construct, improves pile sinking efficiency, saves pile sinking cost, shortens construction period and is easy to realize.
The utility model solves the technical problems by the following technical proposal:
the utility model provides a marine pile sinking is with suspension type location platform which characterized in that: including platform main part frame, buoyancy tank, anchor system and direction enclasping device install the buoyancy tank on the platform main part frame, the bottom four corners department of platform main part frame weighs down and is equipped with the anchor system, the direction enclasping device include preceding direction enclasping device and back direction enclasping device, the preceding direction enclasping device of relative setting about all installing at the front portion both ends of platform main part, the back direction enclasping device of relative setting about installing at the rear portion both ends symmetry of platform main part.
The platform main body frame comprises a top frame, a bottom frame and longitudinal connecting beams, wherein the top frame and the bottom frame are horizontally and oppositely arranged up and down, and the longitudinal connecting beams are uniformly distributed between the top frame and the bottom frame at intervals;
the buoyancy tank install in the bottom of roof-rack, the anchor system connect in the bottom of chassis, be located the upper portion preceding direction is held tightly the device and is held tightly after the direction and install on the roof-rack, is located the lower part preceding direction is held tightly the device and is held tightly after the direction and install on the chassis.
And the interior of the buoyancy tank is divided into a plurality of cabins by the partition plate, and each cabin lattice of the buoyancy tank is provided with a water inlet and a water outlet.
The front guiding enclasping device is of a semi-fixed semi-telescopic structure and comprises a fixed arm and a telescopic arm, the fixed arm is welded at the side end of the platform main body frame, the telescopic arm which stretches out and draws back left and right is arranged on the platform main body frame at the rear end of the fixed arm, the telescopic arm is driven by an electric push rod, the telescopic arm and the fixed arm jointly enclose a pile sinking positioning area, and jacks are arranged on the fixed arm, the telescopic arm and the platform main body frame in the pile sinking positioning area.
The rear guiding enclasping device is of a telescopic structure and comprises a mounting frame, enclasping pliers and an air cylinder, wherein the mounting frame which stretches left and right is movably mounted on the platform main body frame, the enclasping pliers which are arranged front and back are hinged at the outer side end of the mounting frame, the enclasping pliers are of arc-shaped structures, the intrados of the two enclasping pliers are installed oppositely, the air cylinder which drives the enclasping pliers to open and close is hinged at the outer side of the enclasping pliers, the air cylinder is connected to the mounting frame, and jacks are uniformly mounted on the enclasping pliers at intervals.
The utility model has the advantages and beneficial effects that:
1. this suspension type locating platform for marine pile sinking designs the steady stake locating platform of sitting in the prior art into suspension type locating platform, solves the complicated problem of present construction, specifically does: by changing the auxiliary pile positioning in the prior art into the anchor system positioning, the problem of frequent hoisting operation caused by the need of adopting a crane ship to hoist piles, a hoisting vibration hammer and a hoisting positioning frame is solved, the construction process is simplified, the construction risk is reduced, and the construction cost is saved.
2. The suspended positioning platform for the offshore pile sinking has the advantages of being scientific and reasonable in structural design, convenient to construct, capable of improving pile sinking efficiency, saving pile sinking cost, shortening construction period and easy to realize.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model (assembled on the sea floor);
FIG. 2 is a top view of the guide hugging device of the present utility model in a retracted state;
FIG. 3 is a top view of the present utility model in an extended position of the guide hugging device;
fig. 4 is a schematic structural view of the rear guide enclasping device of the present utility model.
Reference numerals
1-equipment platform system, 2-roof rack, 3-buoyancy tank, 4-vertical tie-beam, 5-direction are held tightly the device, 6-chassis, 7-anchor system, 8-back direction is held tightly the device, 9-platform main body frame, 10-flexible arm, 11-fixed arm, 12-jack, 13-installation frame, 14-cylinder, 15-clamp.
Detailed Description
The utility model is further illustrated by the following examples, which are intended to be illustrative only and not limiting in any way.
The suspended positioning platform is used as auxiliary tool equipment for wind power pile foundation construction and is mainly used for controlling the absolute position of a pile foundation, the relative position among piles and the perpendicularity of the pile foundation, the pile foundation construction can reach standard specifications and design requirements through control of various indexes, and the follow-up construction of structures such as a jacket or a bearing platform is facilitated.
During pile sinking construction, the suspended positioning platform is initially positioned, and the main platform structure is suspended below the sea level and is less affected by waves. And controlling the precision of the pile foundation by using the piling ship, and sinking the 1# pile by using the piling ship. And taking the 1# pile as a foundation, and tightly holding the 1# pile by a suspension type positioning platform holding device, so that the piling ship lifts the 2# pile. The suspension type platform shifts, the enclasping device shifts and enclasps the 1# pile and the 2# pile, and the piling ship hangs the 3# pile and the 4# pile in sequence. After the platform is shifted, the pile foundation is beaten to the designed elevation by the pile driving ship.
A suspension type positioning platform for offshore pile sinking is characterized in that: the device comprises a platform main body frame 9, a buoyancy tank 3, an anchor falling system 7 and a guiding enclasping device 5, wherein the platform main body frame is also provided with an equipment platform system 1 for controlling the guiding enclasping device;
the platform main body frame comprises a top frame 2, a bottom frame 6 and longitudinal connecting beams 4, wherein the top frame and the bottom frame are horizontally arranged in opposite directions, and the longitudinal connecting beams are uniformly distributed between the top frame and the bottom frame at intervals;
the floating box is arranged at the bottom of the top frame and covers the bottom of the whole top frame; the anchoring system is connected to the bottom of the underframe; the guiding enclasping device comprises a front guiding enclasping device and a rear guiding enclasping device 8, wherein the front guiding enclasping device which is arranged up and down relatively is arranged at the front top frame and the two ends of the bottom frame of the platform main body, and the rear guiding enclasping device which is arranged up and down relatively is symmetrically arranged at the rear top frame and the two ends of the bottom frame of the platform main body.
The buoyancy tank be case roof beam structure, inside is divided into a plurality of cabin check by the division board, all is equipped with the inlet and outlet on every cabin check of buoyancy tank, its main action is: firstly, controlling the suspension position of a suspension type positioning platform through water injection and drainage; secondly, water is injected and discharged through different cabins, and the plane precision of the platform is adjusted; thirdly, floating the suspended positioning platform by draining water, so that the anchoring system is pulled out of the mud surface.
The front guiding enclasping device is of a semi-fixed semi-telescopic structure and comprises a fixed arm 11 and a telescopic arm 10, wherein the fixed arm is of an L-shaped structure, the fixed arm is welded at the side end of a main platform frame, a left telescopic arm and a right telescopic arm are mounted on the main platform frame at the rear end of the fixed arm, the telescopic arm is driven by an air cylinder or an electric push rod, the telescopic arm and the fixed arm jointly enclose a pile sinking positioning area after extending out, and jacks 12 are arranged on the fixed arm, the telescopic arm and the main platform frame in the pile sinking positioning area.
The rear guide enclasping device is of a telescopic structure and comprises a mounting frame 13, enclasping pliers 15 and an air cylinder 14, wherein the mounting frame which stretches left and right is movably mounted on the platform main body frame and is driven by the air cylinder or an electric push rod, the enclasping pliers which are arranged front and back are hinged at the outer side end of the mounting frame, the enclasping pliers are of arc-shaped structures, the intrados of the two enclasping pliers are mounted oppositely, the air cylinder which drives the enclasping pliers to open and close is hinged at the outer side of the enclasping pliers, the air cylinder is connected to the mounting frame, and jacks are uniformly mounted on the enclasping pliers at intervals.
The guiding and enclasping device has the main functions that: firstly, the guiding and positioning functions are realized, so that the pile foundation is convenient to initially hoist at the pile position, and the positioning is accurate; and secondly, the enclasping function, namely enclasping the sinking pile foundation by the enclasping device, is integrated with the enclasping device. The guiding enclasping device is provided with an upper layer and a lower layer, and 4 groups of layers are arranged. The four groups of front guiding enclasping devices are respectively arranged at 4 pile positions, wherein the four groups of front guiding enclasping devices are semi-fixed and semi-telescopic structures, and the 4 groups of rear guiding enclasping devices are arranged at the rear end of the platform main body. The semi-fixed semi-telescopic structure has high strength and height and good stress effect; the telescopic structure is convenient for platform displacement and convenient and fast to operate.
The anchoring system is mainly used for providing anchoring force for the initial positioning of the suspended positioning platform and preventing the buoyancy change of the platform caused by the water level change caused by tidal range, thereby avoiding the instability problem of the up-and-down floating of the platform.
Working principle:
piling ships and barges reside at appointed places, anchors are placed, and anchor floats are arranged;
hanging the suspended positioning platform at a pile position by using a piling ship, injecting water into a buoyancy tank, enabling the platform to float downwards to a position below the sea level, and adjusting the planeness of the suspended positioning platform through water injection and drainage of each compartment of the buoyancy tank;
synchronously lowering 4 anchor systems to enable the anchor systems to sink into the seabed mud, at the moment, floating the suspended positioning platform, tightening the anchor systems, adjusting the anchor systems to enable the tensile forces of the anchor systems to be equal, and adjusting the planeness of the platform;
piling is started:
and (3) corresponding the pile sinking positioning area (the closing opening) of the front guiding and holding device to the pile position of the No. 1 pile, and adjusting the position of the front guiding and holding device to leave a gap with the pile foundation of the No. 1 pile. The piling ship hangs the 1# pile and holds the pile in the gathering port, the 1# pile is put into the suspension type positioning platform to sink into mud, and the vibration hammer on the piling ship is started to drive the 1# pile into place. When the 1# pile is driven, the plane position and the verticality of the 1# pile foundation are controlled by using the stability and the verticality control facilities of the pile driving ship;
re-measuring the actual coordinates and verticality of the pile position of the 1# pile after the initial driving, calculating the pile position coordinates of the 2# pile according to the actual coordinates of the 1# pile position, adjusting jacks on an upper front guiding and enclasping device and a lower front guiding and enclasping device on which the 1# pile position is positioned in the suspension type positioning platform to enclasp with the 1# pile position, and assisting the platform in pile sinking positioning;
and (3) corresponding the pile sinking positioning area (the closing opening) of the front guiding and holding device to the pile position of the No. 2 pile, and adjusting the position of the guiding and holding device to leave a gap with the pile foundation of No. 2. The piling ship crane puts the 2# pile into the suspended positioning platform to self-sink into mud, and the piling ship crane vibrating hammer is used for driving the 2# pile into place. After the initial driving of the 2# pile is finished, retesting the pile top coordinates and perpendicularity indexes of the 2# pile position, checking the retested 1# pile position and perpendicularity indexes, performing comparison analysis on the initial data, and calculating 3# pile position coordinates according to the comparison analysis;
the front guide enclasping device is released and the telescopic arm is fully retracted. Shifting the suspended platform by using a tug, respectively enclasping the 1# pile and the 2# pile by using a rear guide enclasping device, and checking the plane torsion angle of the suspended platform to ensure that the plane torsion angle meets the plane torsion angle deviation requirement;
and in the same way, the piling ship sequentially hangs and places the 3# pile and the 4# pile, and hangs and beats the piles to the initial elevation. Retesting final coordinates and perpendicularity indexes of the 1# pile position to the 4# pile position;
the suspended positioning platform floats upwards through the drainage of the buoyancy tank, the anchoring system is pulled out of the mud surface, and the anchoring system is lifted to the limit position. The tug tugs the suspension type positioning platform to move to the next machine position and is positioned temporarily;
pile driving ship crane pile driver is sleeved on pile foundation, and the pile numbers 4, 3, 2 and 1 are driven to the designed elevation in turn by means of pile frame and self-elevating stability of pile driving ship, and pile position and verticality indexes are retested.
Although the embodiments of the present utility model and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the embodiments and the disclosure of the drawings.
Claims (5)
1. The utility model provides a marine pile sinking is with suspension type location platform which characterized in that: including platform main part frame, buoyancy tank, anchor system and direction enclasping device install the buoyancy tank on the platform main part frame, the bottom four corners department of platform main part frame weighs down and is equipped with the anchor system, the direction enclasping device include preceding direction enclasping device and back direction enclasping device, the preceding direction enclasping device of relative setting about all installing at the front portion both ends of platform main part, the back direction enclasping device of relative setting about installing at the rear portion both ends symmetry of platform main part.
2. A suspended positioning platform for offshore pile sinking according to claim 1, wherein: the platform main body frame comprises a top frame, a bottom frame and longitudinal connecting beams, wherein the top frame and the bottom frame are horizontally and oppositely arranged up and down, and the longitudinal connecting beams are uniformly distributed between the top frame and the bottom frame at intervals;
the buoyancy tank install in the bottom of roof-rack, the anchor system connect in the bottom of chassis, be located the upper portion preceding direction is held tightly the device and is held tightly after the direction and install on the roof-rack, is located the lower part preceding direction is held tightly the device and is held tightly after the direction and install on the chassis.
3. A suspended positioning platform for offshore pile sinking according to claim 1, wherein: the inside of the buoyancy tank is divided into a plurality of cabins by the partition plate, and each cabin lattice of the buoyancy tank is provided with a water inlet and a water outlet.
4. A suspended positioning platform for offshore pile sinking according to claim 1, wherein: the front guiding enclasping device is of a semi-fixed semi-telescopic structure and comprises a fixed arm and a telescopic arm, wherein the fixed arm is welded at the side end of the main platform frame, the telescopic arm which stretches out and draws back left and right is arranged on the main platform frame at the rear end of the fixed arm, the telescopic arm and the fixed arm jointly enclose a pile sinking positioning area, and jacks are arranged on the fixed arm, the telescopic arm and the main platform frame in the pile sinking positioning area.
5. A suspended positioning platform for offshore pile sinking according to claim 1, wherein: the rear guide enclasping device is of a telescopic structure and comprises a mounting frame, enclasping pliers and an air cylinder, wherein the mounting frame which stretches left and right is movably mounted on the platform main body frame, the enclasping pliers which are arranged front and back are hinged at the outer side end of the mounting frame, the enclasping pliers are of arc-shaped structures, the intrados of the two enclasping pliers are installed oppositely, the air cylinder which drives the enclasping pliers to open and close is hinged at the outer side of the enclasping pliers, the air cylinder is connected to the mounting frame, and jacks are uniformly mounted on the enclasping pliers at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321366019.9U CN219989468U (en) | 2023-05-31 | 2023-05-31 | Suspended positioning platform for offshore pile sinking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321366019.9U CN219989468U (en) | 2023-05-31 | 2023-05-31 | Suspended positioning platform for offshore pile sinking |
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| Publication Number | Publication Date |
|---|---|
| CN219989468U true CN219989468U (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321366019.9U Active CN219989468U (en) | 2023-05-31 | 2023-05-31 | Suspended positioning platform for offshore pile sinking |
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| Country | Link |
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| CN (1) | CN219989468U (en) |
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2023
- 2023-05-31 CN CN202321366019.9U patent/CN219989468U/en active Active
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