CN121138245A - Platform support structure and construction method suitable for offshore photovoltaic inverter installation - Google Patents
Platform support structure and construction method suitable for offshore photovoltaic inverter installationInfo
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- CN121138245A CN121138245A CN202511440997.7A CN202511440997A CN121138245A CN 121138245 A CN121138245 A CN 121138245A CN 202511440997 A CN202511440997 A CN 202511440997A CN 121138245 A CN121138245 A CN 121138245A
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Abstract
本发明公开了一种适用于海上光伏逆变器安装的平台支撑结构及施工方法，属于海上光伏发电技术领域，包括主体结构、固定结构、运维检修和围护结构以及逆变器固定支架结构；所述主体结构通过固定结构与钢管桩相连接，运维检修和围护结构设置在主体结构的顶部；所述主体结构包括主环梁，主环梁的外侧焊接有多根悬挑梁，相邻两根悬挑梁之间设置有次环梁或逆变器固定支架结构；其中，次环梁与主环梁从外往内呈同心环形布置，逆变器固定支架结构对称布置在主体结构的两侧。本发明适用于浅海至深海等不同海域环境下的光伏逆变器安装工程，可显著提升海上光伏电站建设的施工效率、结构稳定性及后期运维便捷性。
This invention discloses a platform support structure and construction method suitable for the installation of offshore photovoltaic inverters, belonging to the field of offshore photovoltaic power generation technology. It includes a main structure, a fixing structure, an operation and maintenance (O&M) and enclosure structure, and an inverter fixing bracket structure. The main structure is connected to steel pipe piles via the fixing structure, and the O&M and enclosure structure is located on top of the main structure. The main structure includes a main ring beam, with multiple cantilever beams welded to the outer side of the main ring beam. A secondary ring beam or inverter fixing bracket structure is arranged between adjacent cantilever beams. The secondary ring beams and the main ring beam are arranged concentrically in a ring from the outside in, and the inverter fixing bracket structures are symmetrically arranged on both sides of the main structure. This invention is applicable to photovoltaic inverter installation projects in different marine environments, from shallow to deep sea, and can significantly improve the construction efficiency, structural stability, and ease of subsequent operation and maintenance of offshore photovoltaic power plants.
Description
Technical Field
The invention belongs to the technical field of offshore photovoltaic power generation, and particularly relates to a platform supporting structure suitable for offshore photovoltaic inverter installation and a construction method.
Background
With the transformation of global energy structures to clean and low-carbonization, the development and utilization of renewable energy are widely emphasized, and the development of photovoltaic power generation industry is rapid. Under the gradual saturation of land photovoltaic resource development, the photovoltaic industry is accelerating to expand to shallow sea and even deep sea areas, and an offshore wind and light co-field development mode becomes a new industry trend.
The inverter is used as core equipment in a photovoltaic power generation system and is responsible for converting direct current generated by a photovoltaic module into alternating current and combining the alternating current into a power grid, and the running stability of the inverter directly determines the power generation efficiency of the whole photovoltaic power station. The installation and operation of the offshore photovoltaic inverter face a plurality of special challenges, namely, firstly, the offshore construction environment is bad, natural factors such as wind waves and tides cause great difficulty and high risk of field operation, and the construction window period is limited, secondly, the inverter and matched cable wiring have higher failure rate in the offshore environment with high humidity and high salt mist, operation, maintenance and repair are required frequently, but the offshore operation platform is lacking, the operation convenience and safety of operation and maintenance personnel are difficult to ensure, thirdly, the traditional offshore photovoltaic inverter is mostly directly installed on the photovoltaic bracket, and the structure does not consider the offshore load transfer characteristic and the anti-corrosion requirement and cannot adapt to the offshore installation scene.
In the prior art, part of offshore photovoltaic projects try to install an inverter by adopting a steel structure platform welded on site, but the method has the obvious defects that the on-site welding operation is greatly influenced by offshore environment, the welding quality is difficult to control, the anti-corrosion coating of a prefabricated part is damaged in the welding process to form an anti-corrosion dead angle, and meanwhile, a plurality of procedures such as part assembly, equipment installation and the like are required to be completed on site, the construction period is long, and the efficiency is low. In addition, some schemes adopt assembled platforms connected by bolts, but the parts connected by the bolts are easy to be corroded by seawater, so that the structural stability is reduced, the bolts are required to be replaced frequently in later maintenance, and the operation and maintenance cost is increased. In addition, the existing platform is not generally optimized in structural design aiming at the replacement requirement of the inverter, and operation space is limited when operation and maintenance personnel detach and replace the inverter, so that operation and maintenance efficiency is further reduced.
Therefore, there is a need for a supporting structure and a construction method for an offshore photovoltaic inverter installation platform, which can adapt to an offshore complex environment and is compatible with construction convenience, structural stability, corrosion prevention reliability and operation and maintenance convenience.
Disclosure of Invention
The method aims at solving the problems that the traditional method for installing the inverter on the steel structure platform by field welding cannot adapt to the offshore complex environment, is inconvenient to construct, unstable in structure, unreliable in corrosion prevention and inconvenient to transport. The invention provides a platform supporting structure and a construction method suitable for installing an offshore photovoltaic inverter, which are suitable for photovoltaic inverter installation projects under different sea areas from shallow sea to deep sea and the like, and can remarkably improve the construction efficiency, structural stability and later operation and maintenance convenience of the offshore photovoltaic power station construction.
The invention relates to a platform supporting structure suitable for installation of an offshore photovoltaic inverter and a construction method, which adopts the following technical scheme:
The platform supporting structure suitable for installation of the offshore photovoltaic inverter comprises a main body structure, a fixed structure, an operation maintenance and support structure and an inverter fixed support structure, wherein the main body structure is connected with a steel pipe pile through the fixed structure, and the operation maintenance and support structure is arranged at the top of the main body structure;
The main structure comprises a main ring beam, a plurality of cantilever beams are welded on the outer side of the main ring beam, a secondary ring beam or an inverter supporting secondary beam is arranged between two adjacent cantilever beams, wherein the secondary ring beam and the main ring beam are concentrically and annularly arranged from outside to inside, and the inverter fixing support structures are symmetrically arranged on two sides of the main structure.
The fixing structure comprises a plurality of steel corbels which are circumferentially and uniformly arranged on the steel pipe pile and positioned below a main ring beam, and rubber gaskets are arranged at the contact positions of the bottoms of the main ring beam and the tops of the steel corbels, wherein a plurality of pairs of guide plates and a plurality of pairs of positioning plates are uniformly arranged at the bottoms of the main ring beam, a plurality of wedge-shaped plugs are circumferentially and uniformly arranged between the main ring beam and the steel pipe pile, and the contact range of the wedge-shaped plugs with the steel pipe pile and the main ring beam is provided with the rubber gaskets.
The technical scheme of the invention is further improved in that each wedge-shaped plug comprises a steel seat contacted with a main ring beam and wedge-shaped steel sheets contacted with a steel pipe pile, wherein a rubber gasket is arranged on one side of the steel seat contacted with the main ring beam, a wedge-shaped groove which is matched with the wedge-shaped steel sheets and gradually reduces in thickness from top to bottom is formed on one side of the steel seat far away from the rubber gasket, and the rubber gasket is also arranged on one side of the wedge-shaped steel sheets contacted with the wedge-shaped groove and one side of the wedge-shaped steel sheets contacted with the steel pipe pile.
The technical scheme of the invention is further improved in that the operation, maintenance and enclosure structure comprises a glass fiber reinforced plastic grating plate paved on the top of the main body structure, an openable movable cover plate is reserved on the glass fiber reinforced plastic grating, and a railing arranged at the edge of the main body structure.
The technical scheme of the invention is further improved in that the inverter fixing support structure comprises two vertical inclined upright posts, front inclined struts which are obliquely arranged are arranged on the front sides of the inclined upright posts, and a plurality of cross arms which are horizontally arranged are arranged on the two inclined upright posts from bottom to top.
The construction method of the platform supporting structure suitable for the installation of the offshore photovoltaic inverter is used for manufacturing the platform supporting structure and comprises the following steps,
S1, processing steel members such as a main ring beam, a cantilever beam, a secondary ring beam, an inverter supporting secondary beam, an inclined upright post, a front inclined strut, a cross arm and the like in a factory, and simultaneously processing a steel pipe pile with steel corbels;
S2, welding and assembling the cantilever beam, the secondary ring beam, the inverter support secondary beam and the main ring beam to form a main body structure, welding and assembling the inclined upright post, the front inclined strut and the cross arm to form an inverter fixing bracket structure, and welding the inverter fixing bracket structure at a preset position of the main body structure;
S3, spraying an anti-corrosion coating on the assembled main body structure, the inverter fixed support structure and the steel pipe pile;
S4, paving a glass fiber reinforced plastic grating plate on the top of the main body structure, reserving a movable cover plate, and installing a railing on the periphery of the main body structure;
s5, fixing the inverter on a cross arm of an inverter fixing bracket structure;
s6, transporting the assembled platform support structure to a wharf, and transporting the platform support structure to an offshore construction site through a ship;
S7, integrally hoisting the platform supporting structure, sleeving the steel pipe pile through the guide plate and the positioning plate, and enabling the main ring beam to be located on the steel corbel;
S8, installing a wedge-shaped plug at a gap between the top of the main ring beam and the steel pipe pile to fix the platform supporting structure and the steel pipe pile;
S9, checking connection and fixing conditions of all the components, and finishing construction.
The technical scheme of the invention is further improved in that the anticorrosive coating in the step S3 is sprayed by adopting a one-time spraying process in a factory, so that the coating is ensured to cover dead angles.
The technical scheme of the invention is further improved in that in the step S7, the hoisting process is positioned through the guide plate and the positioning plate, so that the platform supporting structure is prevented from rotating when being sleeved into the steel pipe pile.
By adopting the technical scheme, the technical progress of the invention comprises:
the invention adopts a fully-assembled steel structure design, the welding assembly of the platform main body structure and the inverter fixing support structure and the installation of inverter equipment are completed in a factory at one time, and the whole structure is transported to a construction site for hoisting and fixing only by sea transportation. The mode furthest reduces offshore workload, avoids the interference of the offshore complex environment on construction, solves the problems of complicated and low efficiency of the traditional field welding and assembly procedures, and can shorten the construction period.
The main body structure of the invention adopts a steel beam with a closed box-shaped cross section, has strong integral rigidity and bearing capacity, can effectively transfer loads of operation and maintenance personnel and inverter equipment, realizes accurate hoisting and positioning of the platform through the guide plate and the positioning plate, avoids rotary deflection in the hoisting process, is tightly matched with steel corbel support through wedge-shaped plug extrusion, ensures that the platform is firmly connected with the steel pipe pile, can resist the load effects of sea stormy waves, tides and the like, and provides a safe and reliable operation surface for the operation and maintenance personnel due to the combined design of the railing and the glass fiber reinforced plastic grating plate of the operation and maintenance structure, and reduces the operation risk.
The welding assembly and the anti-corrosion coating spraying of the whole structure are completed in a factory, field welding and bolt connection are not needed, damage to an anti-corrosion system by field operation is avoided, no dead angle is ensured to be covered by the anti-corrosion coating, meanwhile, rubber gaskets are arranged at contact positions of the main ring beam and the steel corbel, the wedge-shaped plug and the steel pipe pile as well as the main ring beam, so that the damage of anti-corrosion paint caused by friction and abrasion among steel structures is effectively prevented, the later anti-corrosion maintenance requirement is fundamentally reduced, and the service life of the whole structure is prolonged.
The glass fiber reinforced plastic grating plate paved at the top of the platform supporting structure has the characteristics of light weight, high strength and corrosion resistance, the openable movable cover plate is reserved, so that operation and maintenance personnel can conveniently and quickly log on the platform from the bottom, the requirements of safety protection and equipment replacement are met by the spacing of the peripheral fence rods, the problems of narrow operation and maintenance channels and difficult equipment replacement of the traditional platform are solved, the labor intensity of operation and maintenance is reduced, and the operation and maintenance efficiency is improved.
Drawings
FIG. 1 is a schematic top view of a platform support structure of the present invention suitable for use in offshore photovoltaic inverter installation;
FIG. 2 is a schematic structural view of an inverter mounting bracket structure of the platform support structure of the present invention adapted for offshore photovoltaic inverter installation;
FIG. 3 is a front view of an inverter mounting bracket structure of the platform support structure of the present invention adapted for offshore photovoltaic inverter installation;
FIG. 4 is a side view of an inverter mounting bracket structure of the present invention adapted for use with a platform support structure for offshore photovoltaic inverter installation;
FIG. 5 is a front view of a securing structure of the platform support structure of the present invention adapted for installation of an offshore photovoltaic inverter;
FIGS. 6-7 are side views of a securing structure of a platform support structure of the present invention suitable for offshore photovoltaic inverter installation;
fig. 8 is a schematic view of the structure of the wedge-shaped plug of the platform support structure of the present invention suitable for installation of an offshore photovoltaic inverter.
In the drawing, 1, a main body structure, 11, a main ring beam, 12, an overhanging beam, 13, a secondary ring beam, 14 and an inverter supporting secondary beam;
2. A fixed structure; 21, steel corbels, 22, guide plates, 23, positioning plates, 24, wedge plugs, 241, steel seats, 242, wedge steel sheets, 243 and wedge grooves;
3. the operation, maintenance and enclosure structure comprises a glass fiber reinforced plastic grating plate 31, a movable cover plate 32, a rail 33 and a rail;
4. The device comprises an inverter fixing bracket structure, 41, an oblique upright post, 42, a front diagonal brace, 43 and a cross arm;
5. Rubber gasket, 6, steel-pipe pile.
Detailed Description
The present invention will be further described in detail with reference to the following embodiments, in order to make the objects, technical solutions and advantages of the present invention more apparent. In the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the concepts of the present invention.
Example 1
As shown in fig. 1-8, the embodiment provides a platform supporting structure suitable for installation of an offshore photovoltaic inverter, which comprises a main body structure 1, a fixing structure 2, an operation and maintenance and enclosure structure 3 and an inverter fixing support structure 4, wherein the systems work cooperatively to realize stable installation and convenient operation and maintenance of the inverter.
As shown in fig. 1, the main body structure 1 serves as a bearing core of the entire platform, and includes one main ring beam 11, eight cantilever beams 12, four sub ring beams 13, and two inverter support sub beams 14. The main ring beam 11 is a closed box section steel beam, the inner diameter of the main ring beam 11 is determined according to the diameter of the steel pipe pile 6, the inner diameter of the main ring beam 11 is 60mm larger than the outer diameter of the steel pipe pile 6, therefore, the distance between the inner wall of the main ring beam 11 and the outer wall of the steel pipe pile 6 is 30mm, the cantilever beams 12 are also closed box section steel beams, eight cantilever beams 12 are uniformly distributed along the circumferential direction of the main ring beam 11, one end of each cantilever beam 12 and the side face of the main ring beam 11 are welded and fixed through submerged arc automatic welding, the secondary ring beams 13 are also closed box section steel beams, four secondary ring beams 13 are respectively welded between the adjacent cantilever beams 12 to form a square frame structure and are used for directly bearing the load of operation staff, the bearing capacity of the single secondary ring beam 13 is not lower than 2kN/m & lt 2 & gt, the inverter support secondary beam 14 is also a closed box section steel beam, two secondary beams are arranged in parallel, one end of each secondary ring beam 12 is welded and fixed through the other end extends to the middle of the platform and is used for bearing the load of inverter equipment, and the bearing capacity is not lower than 200kg. The secondary ring beam 13 and the inverter support secondary beam 14 transfer the load to the overhanging beam 12, and the load is summarized to the main ring beam 11 through the overhanging beam 12, and finally transferred to the steel pipe pile 6 through the main ring beam 11.
As shown in fig. 1, 5, 6 and 7, the fixing structure 2 is used for realizing reliable connection of the platform support structure and the steel pipe pile 6, and comprises a steel bracket 21, a guide plate 22, a positioning plate 23, a wedge-shaped plug 24 and a rubber gasket 5. The steel corbels 21 are of right triangle structures, the number of the steel corbels 21 is plural, such as 4,6, 8 and the like, the steel corbels 21 are processed in one step along with the steel pipe pile 6 by adopting submerged arc automatic welding in a factory, and the steel corbels are uniformly distributed along the circumferential direction of the steel pipe pile 6. The bottom of the main ring beam 11 is welded with 4 pairs of guide plates 22 and 4 pairs of positioning plates 23 at 45 degrees, the guide plates 22 are in a trapezoid structure, the inner sides of the guide plates are flush with the inner wall of the main ring beam 11 and are used for guiding the platform to be accurately sleeved into the steel pipe pile 6 in the hoisting process, and the positioning plates 23 are vertically welded with the guide plates 22 and are used for limiting the rotation freedom degree of the platform after being sleeved into the steel pipe pile 6. The oil-resistant rubber gasket 5 is arranged at the contact part between the bottom of the main ring beam 11 and the top of the steel bracket 21, and is made of nitrile rubber, so that the anti-corrosion paint is good in wear resistance and corrosion resistance, and the corrosion-resistant paint damage caused by direct contact friction of a steel structure can be avoided.
As shown in fig. 8, each wedge plug 24 in this embodiment includes a steel seat 241 contacting the main ring beam 11 and a wedge steel sheet 242 contacting the steel pipe pile 6, where a rubber gasket 5 is disposed on a side of the steel seat 241 contacting the main ring beam 11, a wedge groove 243 with gradually decreasing thickness from top to bottom, which is adapted to the wedge steel sheet 242, is disposed on a side of the steel seat 241 far away from the rubber gasket 5, and a rubber gasket 5 is disposed on a side of the wedge steel sheet 242 contacting the wedge groove 243 and a side contacting the steel pipe pile 6. As shown in fig. 7, when the main ring beam 11 is sleeved into the steel pipe pile 6 and is in contact with the bottom of the main ring beam 11 and the steel corbel 21, the steel seat 241 is inserted into the gap between the main ring beam 11 and the steel pipe pile 6, and then the wedge-shaped steel sheet 242 is inserted into the wedge-shaped groove 243 of the steel seat 241, thereby fixing the main ring beam 11 to the steel pipe pile 6.
As shown in fig. 1, the operation and maintenance and enclosure structure 3 includes a glass fiber reinforced plastic grating plate 31 and a railing 33, which aims to provide safe and convenient conditions for operation and maintenance operations. The glass fiber reinforced plastic grating plate 31 is made by using vinyl ester resin or epoxy resin as a matrix and glass fiber as a reinforcing material through compression molding. The glass fiber reinforced plastic grating plate 31 is fixed on the secondary ring beam 13 and the cantilever beam 12 of the main body structure 1 through special buckles to cover the top of the whole platform, wherein an openable movable cover plate 32 is reserved at a position close to the steel pipe pile 6, the movable cover plate 32 is connected with the fixed glass fiber reinforced plastic grating plate 31 through hinges and is provided with locks, so that operation and maintenance personnel can log on the platform from the bottom through a ladder stand conveniently. The railing 33 is made of stainless steel, the vertical rod spacing of the conventional area railing 33 is 300mm, two openings with the width of 500mm are reserved on two opposite side surfaces of the platform at the symmetrical spacing of 90 degrees, the vertical rod spacing at the opening is adjusted to be 500mm, and the openable protective door is provided and locked by a bolt, so that the daily operation and maintenance safety is ensured, and a sufficient channel is provided for the disassembly and replacement of the inverter.
As shown in fig. 1 to 4, the inverter fixing bracket structure 4 is for fixing an inverter device, and includes two diagonal posts 41, a front diagonal brace 42, and three cross arms 43. The seamless steel pipes are adopted by the oblique upright posts 41, the two upright posts are symmetrically and obliquely arranged, the inclination angle is 15 degrees, the bottoms of the oblique upright posts 41 are fixedly welded with the inverter support secondary beams 14, and the tops of the oblique upright posts are connected through connecting plates in a welded mode, so that the load of inverter equipment can be directly borne, and the stability in the plane of the support can be guaranteed through mutual support. The front diagonal brace 42 is made of angle steel, one end of the front diagonal brace is welded with the middle of the diagonal upright 41, the other end of the front diagonal brace is welded with the cantilever beam 12 of the main body structure 1 to form a triangular stable structure, and the out-of-plane stability of the inverter fixing support is effectively guaranteed. The cross arms 43 are also made of angle steel, the three cross arms 43 are uniformly distributed along the height direction of the inclined upright posts 41, the cross arms 43 are welded and fixed with the upright posts, bolt holes are reserved in the cross arms 43 and used for fixedly connecting the inverter with the support through bolts, and meanwhile, the space between the cross arms 43 can be used for laying and fixing bottom cables.
Example two
The embodiment provides a construction method of a platform supporting structure suitable for installation of an offshore photovoltaic inverter, which comprises the following steps:
S1, cutting steel materials according to a design drawing in a professional steel structure processing plant, processing steel components such as a main ring beam 11, an overhanging beam 12, a secondary ring beam 13, an inverter supporting secondary beam 14, an inclined upright 41, a front inclined strut 42, a cross arm 43 and the like, simultaneously, processing a steel pipe pile 6, welding a steel corbel 21 at a preset height position of the steel pipe pile 6, and performing rust removal treatment on the surface of the steel pipe pile 6 before welding the steel corbel 21. And simultaneously paving a nitrile rubber gasket 5 on the top of the steel corbel 21, wherein the size of the gasket is matched with that of the top of the steel corbel 21, fixing the gasket by adopting an adhesive, and pasting fluororubber gaskets 5 on two contact side surfaces of the wedge-shaped plug 24.
S2, carrying out positioning welding on the processed cantilever beams 12 and the main ring beams 11, then welding the secondary ring beams 13 between the adjacent cantilever beams 12 to form a main body frame, then assembling the inverter fixing support structure 4, firstly welding the bottoms of the two inclined upright posts 41 on the inverter supporting secondary beams 14, connecting the tops of the two inclined upright posts through a connecting plate, and then welding the front inclined struts 42 and the cross arms 43, and integrally welding the bracket at a preset position of the main body structure 1 after the bracket is assembled.
And S3, spraying the surface anti-corrosion coating on the assembled main body structure 1, the inverter fixed support structure 4 and the steel pipe pile 6. The spraying process is carried out in a closed spraying workshop, high-pressure airless spraying equipment is adopted, the uniformity of the coating is ensured, the coating is free from leakage spraying and pinholes, and the adhesive force test of the coating is carried out after the spraying is finished.
S4, welding posts of a railing 33 on the cantilever beam 12 of the main body structure 1, then installing a cross rod and a protective door, wherein the welding part of the railing 33 is required to be coated with an anticorrosive coating the same as that of the main body structure 1, fixing a glass fiber reinforced plastic grating plate 31 on the secondary ring beam 13 and the cantilever beam 12 through a stainless steel buckle, and finally installing an openable movable cover plate 32.
S5, lifting the inverter to the platform, aligning the mounting holes at the bottom of the inverter with the bolt holes on the cross arms 43, fixing the inverter by adopting high-strength bolts, and after the inverter is fixed, laying the bottom cables to the reserved space between the cross arms 43, and fixing the inverter by adopting cable clamps to ensure that the cables are orderly arranged and are not stretched under stress.
S6, transporting the assembled platform supporting structure from a processing plant to a wharf by adopting a flat-plate transport vehicle, fixing by adopting a profile steel bracket in the transportation process to prevent structural deformation, hoisting the steel pipe pile 6 onto a transport ship by adopting a special lifting tool, and cushioning the bottom of the steel pipe pile 6 with a rubber pad to avoid collision damage of an anti-corrosion coating in the transportation process.
S7, adopting a floating crane to carry out hoisting operation, arranging four hoisting points on the platform main body structure 1 before hoisting, wherein the hoisting points are symmetrically distributed to ensure hoisting balance, slowly adjusting the posture of the platform after hoisting, enabling a guide plate 22 at the bottom of the main ring beam 11 to be aligned with the top of the steel pipe pile 6, guiding the platform to be sleeved into the steel pipe pile 6 through the guide plate 22 until the bottom of the main ring beam 11 is tightly contacted with a rubber gasket 5 at the top of the steel bracket 21, and arranging personnel to assist in positioning nearby the steel pipe pile 6 in the hoisting process so as to avoid the platform from rotating.
And S8, after the platform is in place, the four wedge plugs 24 are respectively placed into gaps between the top of the main ring beam 11 and the steel pipe pile 6, and the wedge plugs 24 are knocked by adopting an iron hammer until the wedge plugs are tightly attached to the steel pipe pile 6 and the main ring beam 11, so that the platform and the steel pipe pile 6 are firmly fixed.
S9, after construction is completed, all parts of the platform are comprehensively inspected, including weld joint appearance quality, anti-corrosion coating integrity, railing 33 connection reliability, inverter fixing condition, jacking state of the wedge-shaped plug 24 and the like, coating is timely carried out on the damaged parts of the coating found by inspection, loose connection parts are reinforced, and the platform supporting structure is ensured to meet design requirements and use requirements.
In the embodiment, the invention provides the platform supporting structure suitable for installing the offshore photovoltaic inverter and the construction method, the fully assembled steel structure design is adopted, the welding assembly of the platform main body structure and the inverter fixing support structure and the installation of inverter equipment are completed in a factory at one time, and the whole structure is transported to a construction site for hoisting and fixing only by sea transportation. The mode reduces offshore workload to the maximum extent, avoids the interference of the offshore complex environment on construction, solves the problems of complicated and low efficiency of the traditional field welding and assembly procedures, and can shorten the construction period; the invention adopts a sealed box-shaped section steel beam with strong overall rigidity and bearing capacity, can effectively transfer loads of operation staff and inverter equipment, realizes accurate hoisting and positioning of a platform through a guide plate and a positioning plate, avoids rotary deflection in the hoisting process, is pressed and tightly matched with steel corbel support through a wedge-shaped plug to ensure firm connection of the platform and the steel pipe pile, can resist load actions such as sea storms and tides, has combined design of rails and glass fiber reinforced plastic grid plates of an operation maintenance and enclosure structure, provides safe and reliable operation surfaces for the operation staff, reduces operation risks, realizes welding assembly and anticorrosive coating spraying of the whole structure in factories, has no field welding and bolting, avoids damage to an anticorrosive system in field operation, ensures no dead angle of the anticorrosive coating, simultaneously, effectively prevents paint damage caused by friction between a main ring beam and the steel pipe pile and the main ring beam, fundamentally reduces the later-shaped anticorrosive maintenance requirements, prolongs the service life of the whole structure, has the characteristics of high-quality steel grid plates, has high-plate-ring quality, high-shaped steel ring-plate, can conveniently replace a movable ring plate, has the characteristics of being convenient for changing the safety protection device, has a safety protection device is convenient to replace, has a safety protection device is easy to be replaced, and has a safety protection device is easy to be replaced, and the operation and maintenance efficiency is improved.
The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Various modifications and improvements of the technical scheme of the present invention will fall within the protection scope of the present invention without departing from the design concept of the present invention, and the technical content of the present invention is fully described in the claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511440997.7A CN121138245A (en) | 2025-10-10 | 2025-10-10 | Platform support structure and construction method suitable for offshore photovoltaic inverter installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511440997.7A CN121138245A (en) | 2025-10-10 | 2025-10-10 | Platform support structure and construction method suitable for offshore photovoltaic inverter installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN121138245A true CN121138245A (en) | 2025-12-16 |
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ID=98001609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202511440997.7A Pending CN121138245A (en) | 2025-10-10 | 2025-10-10 | Platform support structure and construction method suitable for offshore photovoltaic inverter installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN121138245A (en) |
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2025
- 2025-10-10 CN CN202511440997.7A patent/CN121138245A/en active Pending
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