CN218597151U - Pile feeding device for foundation pile sinking of offshore wind power jacket - Google Patents
Pile feeding device for foundation pile sinking of offshore wind power jacket Download PDFInfo
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- CN218597151U CN218597151U CN202222313253.7U CN202222313253U CN218597151U CN 218597151 U CN218597151 U CN 218597151U CN 202222313253 U CN202222313253 U CN 202222313253U CN 218597151 U CN218597151 U CN 218597151U
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Abstract
The utility model discloses a pile follower device is used in marine wind power jacket basis pile sinking, include: a cover plate; a first pile-feeding pipe section which is vertically arranged on the upper surface of the cover plate and is used for being connected with a hydraulic hammer, wherein a platform is radially inwards arranged on the inner wall of the first pile-feeding pipe section close to the top end so as to divide the first pile-feeding pipe section into an upper section pipe and a lower section pipe, a plurality of lifting lug piles and a plurality of first lifting lug plates are uniformly and alternately distributed on the inner wall of the upper section pipe along the same circumference radially inwards, a plurality of second lifting lug plates used for being connected with the hydraulic hammer are uniformly distributed on the outer wall of the lower section pipe along the same circumference radially outwards, a plurality of reinforcing rib plates connected to the upper surface of the cover plate are uniformly distributed on the inner wall of the lower section pipe along the same circumference radially inwards; and a second pile-feeding pipe joint vertically installed on the lower surface of the cover plate and inserted into a steel pipe pile. The utility model discloses the cost of construction has been reduced effectively and the efficiency of construction has been improved simultaneously.
Description
Technical Field
The utility model relates to a pile follower device is used in marine wind power jacket basis pile sinking.
Background
The offshore wind energy resource is a clean and continuous energy, the scale development of offshore wind power is promoted by the improvement of offshore wind power technology and the reduction of wind power development cost under the active support of policies of all countries, and the offshore wind energy can be developed and utilized more deeply and more extensively. The construction and installation technology of a 'booster station' serving as a core part of offshore wind power is gradually improved, however, most of steel pipe piles for a foundation jacket of the booster station still adopt the traditional construction scheme: and manufacturing a steel pipe pile top after lengthening, removing the lengthened pile replacement section after pile sinking of the foundation is completed, and performing butt joint work on modules at the upper part of the booster station after the removal is completed.
As shown in fig. 1, a single pile of an extended displacement section, which is generally adopted for single pile vibrosinking of a current offshore wind power booster station foundation, includes: a plurality of sections of steel pipe pile pipe joints 1' and lengthened alternate driving sections 2', each pipe joint 1' is rolled respectively, butt welding is carried out to form a pile body, and then components such as lifting lugs and the like are welded with the pile body. The construction process in the prior art mainly comprises the following steps: manufacturing single piles and jacket and transporting on the sea; positioning and lowering the jacket; vibrating and sinking to insert the steel pipe pile; cutting off the lengthened forging section and welding the crown plate.
Therefore, the construction process of the pile conveying device in the prior art has the problems of high economic cost, long-time stay of the auxiliary crane ship for assisting site construction and more required construction manpower. Therefore, a pile feeding device for sinking piles of offshore wind power jacket foundations is needed to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a marine wind power jacket basis pile feeding device for pile sinking to reduce the economic cost expenditure of construction.
Offshore wind power jacket basis pile follower device for pile sinking, include:
a cover plate;
a first pile feeding pipe section vertically installed on the upper surface of the cover plate and used for being connected with a hydraulic hammer, wherein a platform is radially inwards arranged on the inner wall of the first pile feeding pipe section close to the top end so as to divide the first pile feeding pipe section into an upper section pipe and a lower section pipe, a plurality of lifting lug piles and a plurality of first lifting lug plates are uniformly and alternately distributed on the inner wall of the upper section pipe along the same circumference radially inwards, a plurality of second lifting lug plates used for being connected with the hydraulic hammer are uniformly distributed on the outer wall of the lower section pipe adjacent to the bottom end along the same circumference radially outwards, a plurality of reinforcing rib plates connected to the upper surface of the cover plate are uniformly distributed on the inner wall of the lower section pipe along the same circumference radially inwards, and a plurality of reinforcing rib plates and a plurality of second lifting lug plates are arranged in a staggered mode along the circumferential direction; and
and the second pile-feeding pipe joint is vertically arranged on the lower surface of the cover plate and is used for being inserted into a steel pipe pile.
In the pile feeding device for sinking the pile of the offshore wind power jacket foundation, the platform is a circular steel plate, the diameter of the circular steel plate is 1520mm, and the thickness of the circular steel plate is 40mm.
In the pile sending device for sinking the pile of the offshore wind power jacket foundation, the diameter of the first pile sending pipe joint is 1600mm, the length of the first pile sending pipe joint is 5500mm, and the wall thickness of the first pile sending pipe joint is 40mm.
In the pile sending device for sinking the pile of the offshore wind power jacket foundation, the diameter of the second pile sending pipe joint is 1500mm, the length of the second pile sending pipe joint is 1500mm, and the wall thickness of the second pile sending pipe joint is 40mm.
In the pile feeding device for sinking the pile of the offshore wind power jacket foundation, the cover plate is a circular steel plate, the diameter of the cover plate is 1700mm, and the thickness of the cover plate is 40mm.
In the pile feeding device for offshore wind power jacket foundation pile sinking, the number of the lifting lug piles and the number of the first lifting lug plates are 2, and the number of the second lifting lug plates and the number of the reinforcing rib plates are 4.
Based on the technical scheme, the utility model discloses an in inserting the steel-pipe pile with second pile-feeding tube coupling, stretch into hydraulic hammer pile cap with first pile-feeding tube coupling, and pass through the apron connection with first pile-feeding tube coupling and second pile-feeding tube coupling and fix together, when pile sinking operation, the power of hydraulic hammer transmits to the apron through first pile-feeding tube coupling, and the rethread apron transmits to the steel-pipe pile uniformly, makes the steel-pipe pile reach and predetermines the elevation position, directly extract the second after the end pile sinking pile and send the pile tube coupling can. The utility model discloses a send a device to replace the extension among the prior art and replace the section of beating, also need not to cut off behind the pile sinking, still very big improvement the efficiency of construction when having reduced construction cost. Additionally, the utility model discloses still have advantages such as simple structure, convenient operation, with low costs, repeatedly usable.
Drawings
Fig. 1 is a schematic structural diagram of a prior art single pile body with an elongated piling section;
fig. 2 is a schematic structural view of the pile feeding device for sinking pile of offshore wind power jacket foundation of the present invention;
figure 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of figure 2 showingbase:Sub>A first shackle plate and shackle pile;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2, showing a second shackle plate;
fig. 5 is a schematic structural diagram of the pile feeding device for sinking pile of offshore wind power jacket foundation in the field construction operation.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 2 to 5, the present invention provides a pile feeding device for sinking pile of offshore wind power jacket foundation, including:
a cover plate 1; in this embodiment, the cover plate 1 is a round steel plate, and the diameter thereof needs to be slightly larger than that of the steel pipe pile 5, preferably, the diameter thereof is 1700mm, and the thickness thereof is 40mm; when in pile sinking, the force of the hydraulic hammer 4 is evenly transmitted to the steel pipe pile 5 through the first pile feeding pipe joint 2 and the cover plate 1;
a first pile-feeding pipe section 2 vertically installed on the upper surface of the cover plate 1 and used for being connected with a hydraulic hammer 4, wherein a platform 21 is radially inwards arranged on the inner wall of the first pile-feeding pipe section 2 close to the top end, so that the first pile-feeding pipe section 2 is divided into an upper section pipe 22 and a lower section pipe 23, a plurality of lifting lug piles 221 and a plurality of first lifting lug plates 222 are uniformly and alternately distributed on the inner wall of the upper section pipe 22 along the same circumference radially inwards, a plurality of second lifting lug plates 231 used for being connected with the hydraulic hammer 4 are uniformly and outwards distributed on the outer wall of the lower section pipe 23 close to the bottom end along the same circumference, a plurality of reinforcing rib plates 232 connected to the upper surface of the cover plate 1 are uniformly distributed on the inner wall of the lower section pipe 23 along the same circumference radially inwards, and the plurality of reinforcing rib plates 232 and the plurality of second lifting lug plates 231 are arranged in a staggered way along the circumferential direction; in the embodiment, the diameter of the pile cap of the hydraulic hammer 4 is 1600mm, the diameter of the first pile sending pipe joint 2 is consistent with the outer diameter of the steel pipe pile 5, the length is determined according to the actual construction design requirement, and preferably, the diameter is 1600mm, the length is 5500mm, and the wall thickness is 40mm; platform 21 is a circular steel plate with a diameter determined according to the diameter of first pile-driving pipe section 2, preferably 1520mm in diameter and 40mm in thickness, and platform 21 is located under shackle pile 221 and first shackle plate 222 at a distance and 90 ° from shackle pile 221 and first shackle plate 222, and is used for providing a stable standing platform for constructors during hooking and unhooking; the number of the lifting lug piles 221 and the number of the first lifting lug plates 222 are both 2, and the number of the second lifting lug plates 231 and the number of the reinforcing rib plates 232 are both 4; the second lug plate 231 is connected with the hydraulic hammer 4 through a steel wire rope 6; and
a second pile-feeding pipe joint 3 vertically installed on the lower surface of the cover plate 1 and inserted into a steel pipe pile 5; in this embodiment, the diameter of second pile sending pipe section 3 is slightly smaller than that of steel pipe pile 5 so as to be directly inserted into it, and preferably, the diameter is 1500mm, the length is 1500mm, and the wall thickness is 40mm; the second pile-feeding pipe joint 3 is inserted into the steel pipe pile 5 in the construction process to stably connect the pile-feeding pipe joint and the steel pipe pile into a whole so as to prevent the pile-feeding pipe joint and the steel pipe pile from falling off.
Utilize the utility model discloses a pile follower device carries out the main process flow step as follows of booster station basis jacket construction:
step one, positioning and lowering a jacket
After the jacket arrives at the site and field construction workers unseal, the lowering position of the jacket is determined by positioning software, and then the jacket is lifted to a preset position by a crane.
Step two, inserting the steel pipe pile 5
And after the jacket is in place, hoisting the turnover steel pipe pile 5 and sending the turnover steel pipe pile into the jacket of the jacket.
Step three, turning over and erecting the pile feeding device
The pile feeder is transported horizontally, and when in use, the first lifting lug plate 222 is hung and buckled on the hydraulic hammer 4 through the steel wire rope 6, and the pile feeder is vertically placed on a deck of a crane ship by lifting. After the pile is turned over, the construction personnel is lifted and put on the platform 21 in the pile feeding device and can stand on the platform 21 for unhooking.
Step four, the hydraulic hammer is sleeved with the first pile feeding pipe joint 22
The hydraulic hammer 4 of the main hanging buckle of the crane ship is sleeved into the first pile-feeding pipe joint 22, and the hydraulic hammer 4 is connected with the second lug plate 231 on the first pile-feeding pipe joint 22 through a steel wire rope 6.
Fifthly, vibrating and sinking the steel pipe pile 5
A main crane ship lifts a hydraulic hammer 4 and a pile feeding device, sleeves the hydraulic hammer 4 and the pile feeding device into a steel pipe pile 5 in a jacket, and starts to hammer a sunk pile; after pile sinking is carried out to the designed elevation, the hydraulic hammer 4 is directly hung to the next steel pipe pile 5, pile sinking of the four steel pipe piles 5 of the jacket is completed, the steel pipe piles 5 are vibrated and sunk to the preset elevation, then the hydraulic hammer 4 is lowered down, and the pile feeding device is removed.
To sum up, the utility model discloses a setting up of pile follower device has replaced the extension among the prior art and has replaced the section of beating, has saved the extension and has replaced the economic cost who beats the section to need not cut off the extension after the pile sinking is accomplished and replace the section of beating, thereby reduced manpower resources's reference, it has still avoided supplementary boat crane to stop for a long time in the problem that the job site carried out the auxiliary operation simultaneously, has controlled ship machine cost, has ensured economic benefits.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (6)
1. A pile follower for sinking a pile of an offshore wind power jacket foundation, characterized in that the pile follower comprises:
a cover plate;
a first pile feeding pipe section vertically installed on the upper surface of the cover plate and used for being connected with a hydraulic hammer, wherein a platform is radially inwards arranged on the inner wall of the first pile feeding pipe section close to the top end so as to divide the first pile feeding pipe section into an upper section pipe and a lower section pipe, a plurality of lifting lug piles and a plurality of first lifting lug plates are uniformly and alternately distributed on the inner wall of the upper section pipe along the same circumference radially inwards, a plurality of second lifting lug plates used for being connected with the hydraulic hammer are uniformly distributed on the outer wall of the lower section pipe adjacent to the bottom end along the same circumference radially outwards, a plurality of reinforcing rib plates connected to the upper surface of the cover plate are uniformly distributed on the inner wall of the lower section pipe along the same circumference radially inwards, and a plurality of reinforcing rib plates and a plurality of second lifting lug plates are arranged in a staggered mode along the circumferential direction; and
and the second pile-feeding pipe joint is vertically arranged on the lower surface of the cover plate and is used for being inserted into a steel pipe pile.
2. Pile feeder for offshore wind power jacket foundation pile sinking according to claim 1, characterised in that said platform is a circular steel plate with a diameter of 1520mm and a thickness of 40mm.
3. Pile feeder for foundation pile sinking of offshore wind power jacket according to claim 1, characterized in that the first pile-feeder tube section has a diameter of 1600mm, a length of 5500mm and a wall thickness of 40mm.
4. Pile feeder device for offshore wind power jacket foundation pile sinking according to claim 1, wherein the second pile feeder tube section has a diameter of 1500mm, a length of 1500mm and a wall thickness of 40mm.
5. Pile feeder for offshore wind power jacket foundation pile sinking according to claim 1, characterised in that said cover plate is a circular steel plate with a diameter of 1700mm and a thickness of 40mm.
6. The pile feeding device for offshore wind power jacket foundation pile sinking according to claim 1, wherein the number of the lifting lug piles and the number of the first lifting lug plates are 2, and the number of the second lifting lug plates and the number of the reinforcing rib plates are 4.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222114703 | 2022-08-11 | ||
| CN202222114703X | 2022-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218597151U true CN218597151U (en) | 2023-03-10 |
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ID=85398052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222313253.7U Active CN218597151U (en) | 2022-08-11 | 2022-08-31 | Pile feeding device for foundation pile sinking of offshore wind power jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218597151U (en) |
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2022
- 2022-08-31 CN CN202222313253.7U patent/CN218597151U/en active Active
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