CN115156814A - Pile shoe assembly method for foundation of offshore wind power booster station - Google Patents

Pile shoe assembly method for foundation of offshore wind power booster station Download PDF

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Publication number
CN115156814A
CN115156814A CN202210889753.7A CN202210889753A CN115156814A CN 115156814 A CN115156814 A CN 115156814A CN 202210889753 A CN202210889753 A CN 202210889753A CN 115156814 A CN115156814 A CN 115156814A
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CN
China
Prior art keywords
cylinder
yoke plate
welding
booster station
pile shoe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210889753.7A
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Chinese (zh)
Inventor
陈宏领
翁耿贤
胡彬
李毫
魏笑科
陈雪丰
陈世明
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Guangzhou Wenchuan Heavy Industry Co ltd
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Guangzhou Wenchuan Heavy Industry Co ltd
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Publication date
Application filed by Guangzhou Wenchuan Heavy Industry Co ltd filed Critical Guangzhou Wenchuan Heavy Industry Co ltd
Priority to CN202210889753.7A priority Critical patent/CN115156814A/en
Publication of CN115156814A publication Critical patent/CN115156814A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • 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
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Foundations (AREA)

Abstract

The invention relates to the technical field of offshore power generation construction, and discloses a pile shoe assembling method for an offshore wind power booster station foundation, which comprises the following steps: manufacturing a cylinder jig frame, and fixedly connecting the cylinder jig frame to the fixed surface; welding the third yoke plate on a guide pipe leg of a booster station foundation; preparing a cylinder body; positioning and mounting the cylinder on a cylinder jig frame; welding the third yoke plate on the cylinder; welding a second yoke plate on the cylinder body, butt-welding the second yoke plate and the first yoke plate, and welding a connecting plate on the cylinder body to form a pile shoe main body structure; hoisting the pile shoe main body structure to a vertical state, and enabling the pile shoe main body structure to be closed and butted with a guide pipe leg of a booster station foundation; lifting the pile clamping device and enabling the pile clamping device to be folded and butted at the upper opening of the cylinder body, and then folding and butting the guide cup opening at the upper opening of the pile clamping device; the pile shoe main body structure can be horizontally and integrally built on the ground, and then the pile shoe main body structure is integrally hoisted and butted and folded with the booster station foundation, so that the product quality is effectively improved, the labor intensity is reduced, and the production cost is reduced.

Description

Pile shoe assembly method for foundation of offshore wind power booster station
Technical Field
The invention relates to the technical field of offshore power generation construction, in particular to a pile shoe assembling method of an offshore wind power booster station foundation.
Background
The offshore booster station foundation is a connecting section of an offshore underwater pile foundation and an upper booster station module and is an important bearing structural member for installing the offshore booster station module, the offshore booster station is responsible for boosting electric energy generated by a fan in a wind power plant and then conveying the electric energy to the shore, along with the continuous enlargement of offshore wind power scale in China, the demand of the booster station foundation can be increased, and a pile shoe is one of core structures of the booster station foundation. The existing installation mode of the pile shoe mostly adopts a mode of integrally constructing the pile shoe structure and the main structure sheet body of the booster station foundation, and the manufacturing method can cause the following problems: 1. the pile shoe structure and the body of the main structure of the booster station foundation are integrally built, and hoisting equipment with larger rated hoisting capacity is needed for turning over and hoisting, so that the cost is higher; 2. pile shoe structure and booster station basis major structure lamellar body integrated into one piece, pile shoe structure central axis are the space size, are unfavorable for the accuracy control, and the overhead welding is more, and the construction degree of difficulty is great.
Disclosure of Invention
The invention aims to provide a pile shoe assembling method for an offshore wind power booster station foundation, which can be used for horizontally and integrally building a pile shoe main body structure on the ground, and then integrally hoisting the pile shoe main body structure and butting and folding the pile shoe main body structure with the booster station foundation, thereby effectively improving the product quality, reducing the labor intensity and reducing the production cost.
In order to achieve the above purpose, the invention provides a pile shoe assembly method of a offshore wind power booster station foundation, wherein the pile shoe comprises a cylinder body, a yoke plate and a connecting plate, the yoke plate comprises a first yoke plate, a second yoke plate and a third yoke plate, the first yoke plate is provided with a first semicircular notch matched with the cylinder body in shape, one end of the second yoke plate is provided with a second semicircular notch matched with the cylinder body in shape, the other end of the second yoke plate is provided with a third semicircular notch matched with a guide pipe leg of the booster station foundation in shape, the third yoke plate is provided with a fourth semicircular notch matched with the guide pipe leg of the booster station foundation in shape, the first semicircular notch and the second semicircular notch are encircled to form a cylinder body connecting hole matched with the cylinder body, and the third semicircular notch and the fourth semicircular notch are encircled to form a guide pipe leg connecting hole matched with the guide pipe leg;
the pile shoe assembling method comprises the following steps:
step 1, manufacturing a cylinder jig frame, fixedly connecting the cylinder jig frame to a fixed surface, and marking a ground sample line corresponding to the position of a central axis of a designed cylinder on the fixed surface;
step 2, welding a third yoke plate on a pipe leg of a booster station foundation;
step 3, preparing a cylinder body;
step 4, positioning and installing the cylinder in the step 3 on a cylinder jig frame, and enabling the central axis of the cylinder to be horizontally arranged and the projection of the cylinder on the fixed surface to be overlapped with the ground sample line;
step 5, welding a first yoke plate on the cylinder in the step 4,
step 6, installing and welding a second yoke plate on the cylinder in the step 4, accurately butting and welding the second yoke plate and the first yoke plate, and installing and welding a connecting plate on the cylinder to form a pile shoe main body structure;
step 7, hoisting the pile shoe main body structure in the step 6 from a horizontal state to a vertical state through a hoisting device, enabling the pile shoe main body structure to be folded and butted with a guide pipe leg of a booster station foundation, and enabling a second yoke plate and a third yoke plate to be accurately butted and welded;
step 8, lifting the pile clamping device and enabling the pile clamping device to be horizontally folded and butted at the upper opening of the cylinder body of the pile shoe main body structure, and then lifting the guide cup opening and enabling the guide cup opening to be horizontally folded and butted at the upper opening of the pile clamping device;
wherein, the step 1, the step 2 and the step 3 are not performed in sequence.
As a preferred embodiment of the present invention, the step 3 comprises: step 3.1, the barrel comprises a plurality of barrel section units which are connected in sequence, each barrel section unit is formed by rolling a steel plate, a longitudinal welding seam of each barrel section unit is completed by adopting automatic submerged arc welding, and then circumferential welding seams are formed between the adjacent barrel section units by automatic submerged arc welding;
and 3.2, welding a shear key on the inner wall of the cylinder body installed in the step 3.1.
As a preferred scheme of the invention, in the step 3.2, the barrel is placed on the roller carrier, the roller carrier drives the barrel to rotate at a constant speed, and the gun head is stretch-welded to the barrel through the automatic fillet welding machine to weld the shear key and the circumferential fillet weld of the inner wall of the barrel.
As a preferable aspect of the present invention, in the step 1, a third face plate is welded to an outer periphery of the third yoke plate; in the step 5, a first panel is welded on the periphery of the first yoke plate; in step 6, a second face plate is welded to the outer periphery of the second yoke plate.
As a preferable scheme of the present invention, in the step 6, the second panel and the first panel are accurately butt-welded; in the step 7, the second panel and the third panel are accurately butt-welded.
As a preferable scheme of the invention, in the step 1, a supporting arc surface matched with the shape of the cylinder is arranged at the top of the cylinder jig.
As a preferable scheme of the invention, three yoke plates are welded on the cylinder body from top to bottom.
Compared with the prior art, the pile shoe assembling method of the offshore wind power booster station foundation has the beneficial effects that:
according to the invention, the pile shoe main body structure (the cylinder body, the second yoke plate and the first yoke plate) is horizontally integrally built on the ground, and then the pile shoe main body structure is integrally hoisted and is butted and folded with the guide pipe leg of the booster station foundation, so that the product quality can be obviously improved, the labor intensity is reduced and the production cost is reduced; meanwhile, after the pile shoe main body structure is installed on the booster station foundation, the pile clamping device is installed, so that the influence of deformation caused by welding, hoisting and the like on the thread structure of the pile clamping device can be reduced, the phenomenon that a screw cannot normally stretch and retract due to the fact that threads are clamped is avoided, and the installation quality of the pile shoe is improved; in addition, the yoke plate adopts a three-section type segmentation design, so that the pile shoe main body structure can be quickly butted and folded with a conduit leg of a booster station foundation, and the installation accuracy is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of a pile shoe and a cylinder jig provided by the present invention;
FIG. 2 is a schematic structural view of a yoke plate provided in the present invention;
in the figure, 1 is a cylinder; 11 is a shear key; 2 is a yoke plate; 21 is a first yoke plate; 22 is a second yoke plate; 23 is a third yoke plate; 24 is a first panel; 25 is a second panel; 26 is a third panel; 3 is a connecting plate; 4, a pile clamping device; 5 is a guide cup mouth; 6 is a conduit leg of the base of the booster station; and 7, a cylinder jig frame.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, in a method for assembling a pile shoe of a foundation of an offshore wind power booster station according to a preferred embodiment of the present invention, the pile shoe includes a cylinder 1, a yoke plate 2 and a connecting plate 3, the yoke plate 2 includes a first yoke plate 21, a second yoke plate 22 and a third yoke plate 23, the first yoke plate 21 is provided with a first semicircular notch matched with the cylinder 1 in shape, one end of the second yoke plate 22 is provided with a second semicircular notch matched with the cylinder 1 in shape, the other end of the second yoke plate 22 is provided with a third semicircular notch matched with the pipe leg 6 of the booster station foundation in shape, the third yoke plate 23 is provided with a fourth semicircular notch matched with the pipe leg 6 of the booster station foundation in shape, the first semicircular notch and the second semicircular notch enclose a connecting hole of the cylinder 1 matched with the cylinder 1, and the third semicircular notch and the fourth semicircular notch enclose a pipe leg connecting hole matched with the pipe leg;
the pile shoe assembling method comprises the following steps:
step 1, manufacturing a cylinder jig frame 7, fixedly connecting the cylinder jig frame 7 to a fixed surface, and marking a ground sample line corresponding to the central axis position of the designed cylinder 1 on the fixed surface; the cylinder jig frame 7 is firmly fixed and has enough bearing capacity;
step 2, welding a third yoke plate 23 on a guide pipe leg 6 of a booster station foundation;
step 3, preparing a cylinder body 1;
step 4, positioning and installing the barrel 1 qualified in the step 3 on a barrel jig frame 7, enabling the central axis of the barrel 1 to be horizontally arranged and enabling the projection of the barrel 1 on the fixed surface to be overlapped with a ground sample line, and firmly fixing the barrel 1 after the barrel 1 is accurately positioned with the barrel jig frame 7 to ensure the stability and accuracy of subsequent barrel 1 processing;
step 5, welding a third yoke plate 23 on the barrel 1 in the step 4 according to the design position of a design drawing;
step 6, installing and welding a second yoke plate 22 on the cylinder 1 in the step 4 according to the design position of the design drawing, accurately butting and welding the second yoke plate 22 and the first yoke plate 21, and installing and welding a connecting plate 3 on the cylinder 1 to form a pile shoe main body structure;
step 7, hoisting the pile shoe main body structures qualified in the step 6 from a horizontal state to a vertical state through a hoisting device, and controlling the verticality, the position sizes and the elevation precision of the four pile shoe main body structures to meet the requirements of design drawings when the pile shoe main body structures are positioned; after positioning is finished, the pile shoe main body structure and the guide pipe leg 6 of the booster station foundation are closed and butted (welding seams between the welding connecting plate 3 and the guide pipe leg 6 of the booster station foundation, between the second yoke plate 22 and the third yoke plate 23, between the second yoke plate 22 and the guide pipe leg 6 of the booster station foundation are finished), and the second yoke plate 22 and the third yoke plate 23 are accurately butted and welded;
step 8, lifting the pile clamping device 4, enabling the pile clamping device 4 to horizontally fold and butt joint at the upper opening of the cylinder body 1 of the pile shoe main body structure, and checking whether the screw rods stretch freely one by one after the pile clamping device 4 is installed, so as to ensure that the pile clamping device 4 can normally operate; then lifting the guide cup rim 5 and enabling the guide cup rim 5 to be horizontally folded and butted at the upper opening of the pile clamping device 4;
in the present embodiment, three yoke plates 2 are welded from top to bottom between each cylinder 1 and the conduit leg 6 of the booster station foundation.
Illustratively, the step 3 includes: step 3.1, the barrel comprises a plurality of barrel section units which are connected in sequence, each barrel section unit is formed by rolling a steel plate, a longitudinal welding seam of each barrel section unit is completed by adopting automatic submerged arc welding, and then circumferential welding seams are formed between the adjacent barrel section units by automatic submerged arc welding; the production efficiency is effectively improved, and the construction cost is reduced;
step 3.2, welding a shear key 11 on the inner wall of the cylinder 1 installed in the step 3.1; specifically, in the step 3.2, the barrel 1 is placed on the roller carrier, the roller carrier drives the barrel 1 to rotate at a constant speed, and the shear key 11 and the circumferential fillet weld of the inner wall of the barrel 1 are welded in the barrel 1 by extending and welding the gun head to the barrel 1 through the automatic fillet welding machine, so that the production efficiency is improved, and the product quality is ensured to be good.
Illustratively, in the step 1, a third panel 26 is welded to the periphery of the third yoke plate 23; in the step 5, the first face plate 24 is welded to the outer periphery of the first yoke plate 21; in the step 6, the second panel 25 is welded on the periphery of the second yoke plate 22. In the step 6, the second panel 25 is accurately butt-welded with the first panel 24; in the step 7, the second panel 25 and the third panel 26 are accurately butt-welded, so that the structural strength of the yoke plate 2 is ensured, and the connection stability of the cylinder 1 and the pipe leg 6 of the booster station foundation is improved.
Exemplarily, in the step 1, the top of the cylinder jig 7 is provided with a supporting arc surface matched with the cylinder 1 in shape, so that the matching degree between the cylinder jig 7 and the cylinder 1 is high, and the bearing effect of the cylinder jig 7 is good.
In conclusion, the pile shoe main body structure (the cylinder body 1, the second yoke plate 22 and the first yoke plate 21) is horizontally integrally built on the ground, and then the pile shoe main body structure is integrally hoisted and is butted and folded with the guide pipe leg 6 of the booster station foundation, so that the product quality can be obviously improved, the labor intensity can be reduced, and the production cost can be reduced; meanwhile, after the pile shoe main body structure is installed on the booster station foundation, the pile clamping device 4 is installed, so that the influence of deformation caused by welding, hoisting and the like on the thread structure of the pile clamping device 4 can be reduced, the phenomenon that the screw cannot normally stretch and retract due to thread jamming is avoided, and the installation quality of the pile shoe is improved; in addition, the yoke plate 2 adopts a three-section type segmentation design, so that the pile shoe main body structure can be quickly butted and folded with the guide pipe leg 6 of the booster station foundation, and the installation accuracy is ensured.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (7)

1. The pile shoe assembly method of the offshore wind power booster station foundation is characterized in that the pile shoe comprises a cylinder body, a yoke plate and a connecting plate, wherein the yoke plate comprises a first yoke plate, a second yoke plate and a third yoke plate, a first semicircular notch matched with the cylinder body in shape is arranged on the first yoke plate, a second semicircular notch matched with the cylinder body in shape is arranged at one end of the second yoke plate, a third semicircular notch matched with the pipe leg of the booster station foundation in shape is arranged at the other end of the second yoke plate, a fourth semicircular notch matched with the pipe leg of the booster station foundation in shape is arranged on the third yoke plate, the first semicircular notch and the second semicircular notch are encircled to form a cylinder body connecting hole matched with the cylinder body, and the third semicircular notch and the fourth semicircular notch are encircled to form a pipe leg connecting port matched with the pipe leg;
the pile shoe assembling method comprises the following steps:
step 1, manufacturing a cylinder jig frame, fixedly connecting the cylinder jig frame to a fixed surface, and marking a ground sample line corresponding to the position of a central axis of a designed cylinder on the fixed surface;
step 2, welding a third yoke plate on a pipe leg of a booster station foundation;
step 3, preparing a cylinder body;
step 4, positioning and installing the cylinder in the step 3 on a cylinder jig frame, and enabling the central axis of the cylinder to be horizontally arranged and the projection of the cylinder on the fixed surface to be overlapped with the ground sample line;
step 5, welding a first yoke plate on the cylinder in the step 4,
step 6, installing and welding a second yoke plate on the cylinder in the step 4, accurately butting and welding the second yoke plate and the first yoke plate, and installing and welding a connecting plate on the cylinder to form a pile shoe main body structure;
step 7, hoisting the pile shoe main body structure obtained in the step 6 from a horizontal state to a vertical state through a hoisting device, enabling the pile shoe main body structure to be folded and butted with a guide pipe leg of a booster station foundation, and accurately butting and welding a second yoke plate and a third yoke plate;
step 8, lifting the pile clamping device and enabling the pile clamping device to be horizontally folded and butted at the upper opening of the cylinder body of the pile shoe main body structure, and then lifting the guide cup opening and enabling the guide cup opening to be horizontally folded and butted at the upper opening of the pile clamping device;
wherein, the step 1, the step 2 and the step 3 are not performed in sequence.
2. The method for assembling a pile shoe of an offshore wind power booster station foundation according to claim 1, wherein the step 3 comprises: step 3.1, the barrel comprises a plurality of barrel section units which are connected in sequence, each barrel section unit is formed by rolling a steel plate and longitudinal welding seams of the barrel section units are completed by adopting automatic submerged arc welding, and then circumferential welding seams are formed between the adjacent barrel section units by automatic submerged arc welding;
and 3.2, welding a shear key on the inner wall of the cylinder body installed in the step 3.1.
3. The method for assembling the pile shoe of the offshore wind power booster station foundation according to claim 2, wherein in the step 3.2, the barrel is placed on the roller carrier, the roller carrier drives the barrel to rotate at a constant speed, and the gun head is stretch-welded by an automatic fillet welder to weld the shear key and the circumferential fillet weld of the inner wall of the barrel in the barrel.
4. The method for assembling pile shoe of offshore wind power booster station foundation of claim 1, wherein in step 1, a third face plate is welded to the outer periphery of the third yoke plate; in the step 5, a first panel is welded on the periphery of the first yoke plate; in step 6, a second face plate is welded to the outer periphery of the second yoke plate.
5. The method for assembling pile shoes of offshore wind power booster station foundation of claim 4, wherein in step 6, the second panel is butt welded exactly to the first panel; in the step 7, the second panel and the third panel are accurately butt-welded.
6. The method for assembling the pile shoe of the offshore wind power booster station foundation according to claim 1, wherein in the step 1, the top of the cylinder jig frame is provided with a supporting arc surface matched with the shape of the cylinder.
7. The method for assembling pile shoe of offshore wind power booster station foundation of claim 1, wherein three yoke plates are welded on the cylinder from top to bottom.
CN202210889753.7A 2022-07-27 2022-07-27 Pile shoe assembly method for foundation of offshore wind power booster station Pending CN115156814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210889753.7A CN115156814A (en) 2022-07-27 2022-07-27 Pile shoe assembly method for foundation of offshore wind power booster station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210889753.7A CN115156814A (en) 2022-07-27 2022-07-27 Pile shoe assembly method for foundation of offshore wind power booster station

Publications (1)

Publication Number Publication Date
CN115156814A true CN115156814A (en) 2022-10-11

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ID=83497558

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210889753.7A Pending CN115156814A (en) 2022-07-27 2022-07-27 Pile shoe assembly method for foundation of offshore wind power booster station

Country Status (1)

Country Link
CN (1) CN115156814A (en)

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