CN219668453U - Floating body assembling platform suitable for floating type photovoltaic power station - Google Patents

Abstract

The utility model relates to a floating body assembly platform suitable for a floating type photovoltaic power station. The utility model is suitable for the technical field of water operation platforms. The utility model aims to solve the technical problems that: a floating body assembly platform suitable for a floating type photovoltaic power station is provided. The technical scheme adopted by the utility model is as follows: the floating body assembly platform comprises a turnover area, an assembly area, a water draining area and a water floating platform which are connected in sequence, wherein the water draining area comprises at least two rows of steel pipe piles, a supporting structure and a pavement plate, the at least two rows of steel pipe piles are arranged on the coast of the assembly area, the lower parts of all the steel pipe piles are anchored on an underwater bearing layer, the upper parts of all the steel pipe piles are connected with each other through the supporting structure, and the pavement plate is paved on the top of the supporting structure; the water floating platform is connected with the launching area through a flexible connecting piece, the water floating platform is provided with a steel structure frame, and the bottom of the steel structure frame is fixed with a group of oil barrels or pontoons serving as floating bodies.

Description

Floating body assembling platform suitable for floating type photovoltaic power station

Technical Field

The utility model relates to the technical field of water operation platforms, in particular to a floating body assembly platform suitable for a floating type photovoltaic power station.

Background

The floating type photovoltaic power station on water has the unique advantages that the development speed is high in recent years, the land use cost can be greatly saved, the floating type photovoltaic power station can utilize the cooling effect of water bodies on photovoltaic modules, the surface temperature rise of the modules is effectively restrained, meanwhile, the floating type photovoltaic power station is built to effectively restrain algae reproduction, and water resources are protected.

The floating type photovoltaic power station needs to build an assembly platform on the bank, the main structure is assembled and then drained, along with further popularization of the floating type photovoltaic power station, the installed capacity is increased continuously, the requirement on the assembly platform is higher and higher, the traditional assembly platform does not reasonably divide the functional areas according to the construction sequence, and the installation speed of the floating body and the components can be influenced. Meanwhile, the backfill construction is adopted in the sewer area of the traditional assembly platform, so that the assembly platform is only suitable for water areas with water level amplitude not exceeding 2 meters, and the assembly work cannot be carried out when the water level amplitude is too large. Therefore, designing a floating body assembly platform with annual construction capability is an urgent problem to be solved.

Disclosure of Invention

The utility model aims to overcome the defects in the background technology, and provides the floating body assembly platform suitable for the floating photovoltaic power station, which has the advantages of simple structure and short construction period, and can adapt to high amplitude water level by reasonably dividing functional areas and improving the installation speed of floating bodies and components so as to meet the requirements of annual construction.

The technical scheme adopted by the utility model is as follows: the floating body assembly platform comprises a turnover area, an assembly area, a water draining area and a water floating platform which are connected in sequence, wherein the water draining area comprises at least two rows of steel pipe piles, a supporting structure and a pavement plate, the at least two rows of steel pipe piles are arranged on the coast of the assembly area, the lower parts of all the steel pipe piles are anchored on an underwater bearing layer, the upper parts of all the steel pipe piles are connected with each other through the supporting structure, and the pavement plate is paved on the top of the supporting structure; the water floating platform is connected with the launching area through a flexible connecting piece, the water floating platform is provided with a steel structure frame, and the bottom of the steel structure frame is fixed with a group of oil barrels or pontoons serving as floating bodies.

Preferably, the splicing area and the turnover area are respectively provided with a semi-closed workshop, the semi-closed workshop comprises a plurality of workshop supporting pieces and a roof, the workshop supporting pieces are combined into a frame structure and are fixed on the ground, and the roof is fixedly paved at the top of the frame structure.

Preferably, the workshop support piece is made of light square steel, and the roof is made of color steel plates.

Preferably, the ground of the turnover area consists of a graded broken stone backfill layer and a concrete surface layer.

Preferably, the ground of the assembly area consists of a sand bag backfill layer, a graded broken stone backfill layer and a concrete surface layer.

Preferably, the supporting structure comprises a plurality of vertical supports with adjustable heights and a plurality of transverse steel pipes; in each row of steel pipe piles, at least one vertical support is fixed at the top of each steel pipe pile, the height of the vertical support on the steel pipe pile of the previous row is lower than that on the steel pipe pile of the next row, the upper ends of the vertical supports on two adjacent rows of steel pipe piles are connected one by one through the transverse steel pipes which are obliquely arranged, and the pavement plate is paved at the top of the transverse steel pipes.

Preferably, the vertical support comprises a plurality of vertical steel pipes, active fasteners and reinforcing members, wherein the vertical steel pipes, the vertical steel pipes and the transverse steel pipes are all fixed together through the active fasteners, radial perforations are formed in the vertical steel pipes, and the reinforcing members are inserted into the perforations on the upper side and/or the lower side of the active fasteners.

Preferably, the vertical steel pipe at the lowest end of the vertical support is connected with the steel pipe pile through angle steel.

Preferably, the reinforcement is a bolt or a pin.

Preferably, the steel structure frame is paved with a pavement plate.

The utility model has the beneficial effects that:

(1) According to the utility model, the turnover area, the assembly area, the launching area and the water floating platform are reasonably divided according to the construction sequence, so that the assembly efficiency can be greatly improved, and the assembly period can be shortened;

(2) The water floating platform has strong self-adaptation capability and high safety and stability, the height of the pavement plate can be adjusted through the vertical support in the water area, the connection between the assembly area and the water floating platform is kept, the influence of the withering/flood season is small, the water floating platform can be constructed throughout the year, and the water floating platform is suitable for large and medium-sized floating photovoltaic power stations and has good application prospects.

Drawings

Fig. 1 is a plan view of a structure of an embodiment of the present utility model.

Fig. 2 is a cross-sectional structural view of an embodiment of the present utility model.

FIG. 3 is a detailed view of the sewer area according to an embodiment of the present utility model.

The drawings are as follows: the construction method comprises a turnover area 1, an assembly area 2, a launch area 3, a water floating platform 4, a graded broken stone backfill layer 5, a concrete surface layer 6, steel pipe piles 7, a supporting structure 8, a vertical support 8.1, a vertical steel pipe 8.11, active fasteners 8.12, perforations 8.13, a transverse steel pipe 8.2, a pavement plate 9, a steel structure frame 10, light square steel 11, a roof 12, a sand bag backfill layer 13 and angle steel 14.

Detailed Description

The objects, technical solutions and advantages of the present utility model will be further described with reference to the accompanying drawings and examples, but the present utility model is not limited to the following examples, for the purpose of making the objects, technical solutions and advantages of the present utility model more clearly understood by those skilled in the art.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The embodiment is mainly divided into land and water, and the following procedures can be followed in implementation, land construction: foundation lofting, undisturbed soil compaction, sand bag slope protection, graded broken stone backfilling and concrete hardening; and (3) water construction: measuring and lofting, piling machine positioning, steel pipe pile hammering to pile, steel pipe forming supporting structure, construction of a running board of a water area, fixedly connecting a water pontoon/an oil drum with the steel pipe to form a steel structure frame, and arranging the running board of a water floating platform.

As shown in fig. 1 and 2, the floating body assembly platform suitable for a floating photovoltaic power station provided in this embodiment is composed of a turnover area 1 and an assembly area 2 on land, and is mainly used for temporary stacking and assembly of floating bodies/components.

The ground of the turnover area 1 consists of a graded broken stone backfill layer 5 and a concrete surface layer 6. The ground of the assembly area 2 is composed of a sand bag backfill layer 13, a graded broken stone backfill layer 5 and a concrete surface layer 6. The undisturbed soil compaction and sand bag revetment can utilize the earthwork excavated on site, the sand bag is filled in a machine, and the artificial paving is realized, so that water flow and waves can be economically and effectively prevented from scouring the embankment, and landslide accidents on the upstream surface of the embankment can be prevented. For original soil compaction, the cohesive soil can be compacted by adopting a claw roller, the non-cohesive soil can be compacted by adopting a cylinder roller, and the compaction degree is not less than 0.9. The broken stone with the grain size of 40-200mm is adopted to backfill in layers, the large stone is backfilled and compacted, gaps among the stones and the surface layer are adopted to be smaller than Dan Yashi, the paving thickness is 20-40cm, and the cohesive force among undisturbed soil and the bearing capacity of the foundation are enhanced. And C20 plain concrete is poured on the concrete surface layer 6, the thickness is 10-20cm, on one hand, the working surface is ensured to be smooth, the floating body component is prevented from being cut or scratched, on the other hand, the bearing capacity of the foundation is properly improved, and the height of the concrete surface layer 6 of the assembly area 2 is gradually reduced to one side of the water surface, so that a slope surface is formed.

In order to guarantee the annual construction of projects, the splicing area 2 and the turnover area 1 are respectively provided with a semi-closed workshop. The semi-enclosed shop comprises a plurality of shop supports and a roof 12, the shop supports are combined into a frame structure and fixed on the ground, and the roof 12 is fixedly paved on the top of the frame structure. Typically, the plant support is a lightweight square steel 11, and the roof 12 is made of color steel.

The water part of the embodiment consists of a launching area 3 and a water floating platform 4, wherein the launching area 3 is connected with an assembling area 2, the connection of the floating body array launching and the water surface is mainly completed, and then the floating body array launching and the water surface is moved to a permanent square matrix anchoring area by a tugboat.

As shown in fig. 2, the launch area 3 is provided with two rows of steel pipe piles 7, the steel pipe piles 7 of the rear row are arranged along the shore, and a distance is kept between the steel pipe piles 7 of the front row and the steel pipe piles 7 of the rear row. The lower parts of the two rows of steel pipe piles 7 are penetrated into an underwater bearing layer, the upper parts of the two rows of steel pipe piles are connected with each other through a supporting structure 8, and the pavement plates 9 are laid on the tops of the supporting structures 8. The water floating platform 4 is connected with the launching zone 3 through cables or other similar flexible connectors, so that the water floating platform 4 is moored on the shore.

As shown in fig. 3, the support structure 8 comprises a number of height-adjustable vertical supports 8.1 and a number of transverse steel pipes 8.2. In the two rows of steel pipe piles 7, three vertical supports 8.1 are fixed at the top of each steel pipe pile 7, and all the vertical supports 8.1 are gradually raised in height in the order from front to back, namely the height of the front vertical support 8.1 is lower than that of the rear vertical support 8.1. The upper ends of the vertical supports 8.1 on the two adjacent rows of steel pipe piles 7 are connected one by one through the transverse steel pipes 8.2, and the pavement plates 9 are paved on the tops of the transverse steel pipes 8.2. Because the height of the vertical supports 8.1 on the two rows of steel pipe piles 7 is high, the transverse steel pipes 8.2 are obliquely arranged, the pavement plates 9 are basically parallel to the transverse steel pipes 8.2, the higher side is flush with or close to the bank, and the lower side is flush with, close to or slightly lower than the water surface.

The vertical support 8.1 comprises a plurality of vertical steel pipes 8.11, active fasteners 8.12 (such as cross/direct connection fasteners) and reinforcing members. The vertical steel pipe 8.11 at the lowest end is connected with the steel pipe pile 7 through angle steel 14. All fix together through active fastener 8.12 between each vertical steel pipe 8.11, between vertical steel pipe 8.11 and the horizontal steel pipe 8.2, offered radial perforation 8.13 on the vertical steel pipe 8.11, perforation 8.13 interpolation in active fastener 8.12 upside and/or downside is equipped with the reinforcement, the reinforcement can select bolt or pin. The reinforcement may further strengthen the stability between the steel pipe joints.

The diameter of the steel pipe pile 7 is not smaller than DN200, the pile diameter is not smaller than 0.5m deep into a bearing layer, and the elevation of the pile top of the water part is not smaller than 0.5m; the diameters of the vertical steel pipes 8.11 and the transverse steel pipes 8.2 are not smaller than 48mm, and the angle steel 14 can be 50 angle steel 14, so that the functions of connection and reinforcement support are achieved.

The floating platform 4 on water is provided with a steel structure frame 10, a group of oil barrels or pontoons serving as floating bodies are fixed at the bottom of the steel structure frame 10, the steel structure frame 10 can effectively fix the floating bodies on one hand, and a pavement plate is paved on the steel structure frame 10 on the other hand, so that an effective working platform is provided for the square matrix of the floating bodies to enter water.

The requirement of the water floating platform 4 on the pontoon/oil drum is that the transverse and horizontal arrangement interval is not more than 3.0m, and the buoyancy requirement of the total weight of the assembly entering water is met. The number of the pontoons is reasonably arranged according to the bearing capacity of the water floating platform 4, so that the phenomenon of unstable platform caused by insufficient buoyancy is avoided.

In terms of shortening the construction period, the method and the device utilize the existing site or earth excavation materials on site to directly backfill to form the land part of the assembly platform, and divide different construction areas according to the first construction procedure and the second construction procedure, so that the construction period can be effectively shortened, and the resource utilization rate can be improved.

In the aspect of field system planning, the embodiment partitions according to different functions, provides four functional partitions of a turnover area 1, an assembly area 2, a launch area 3 and an on-water floating platform 4 in a targeted manner, and fully combines a photovoltaic module construction procedure to effectively arrange the field, so that the floating body and the modules are installed more efficiently and conveniently.

The water floating platform 4 is a working platform formed by serially connecting pontoons and oil tanks, and mainly relies on buoyancy provided by the pontoons and the oil tanks to balance gravity and the like generated by assembling the pontoons and the components on the platform. The flexible connection mode of mooring the mooring ropes between the water-draining area 3 and the water-borne floating platform 4 is used for preventing rigid deformation of the water-draining area 3 or the supporting structure 8 caused by water surface fluctuation, the water-draining area 3 provides a transportation channel for a single well-assembled floating body and component, and the water-borne floating platform 4 mainly bears the following work: assembling floating bodies and installing cables between the components.

The method for solving the problem of high water level amplitude of the embodiment is that firstly, the water floating platform 4 adopts a pontoon/oil drum material with better buoyancy; when the high amplitude water level occurs, the water floating platform 4 with stronger buoyancy can be changed along with the water level, and rises and falls simultaneously, and most importantly, the platform is always an integral body, so that a stable and reliable working surface is provided for assembling the floating body/assembly; secondly, the lower water area 3 adopts a supporting structure 8 through a stable pile foundation at the upper part of the lower water area 3, the vertical supports 8.1 of the supporting structure 8 are connected through active fasteners 8.12 by vertical steel pipes 8.11, if the water level rises, the inclination angle of the transverse steel pipes 8.2 can be changed by increasing the number of the vertical steel pipes 8.11 and reducing the overlap joint length between the vertical steel pipes 8.11 in order to effectively connect the water floating platform 4 and the bank of the splicing area 2, and finally the inclination angle of the pavement plate 9 of the lower water area 3 is changed, so that one lower side of the pavement plate 9 can be flush with, close to or slightly lower than the water surface all the time. Otherwise, if the water level drops, the inclination angle of the transverse steel pipes 8.2 can be changed by removing the vertical steel pipes 8.11 or increasing the overlap length between the steel pipes, and finally the inclination angle of the pavement plate 9 of the water draining area 3 is changed, so that one side of the pavement plate 9 lower can be level with the water surface all the time, close to or slightly lower than the water surface. The higher side of the walkway plate 9 is always flush or close to the shore.

In the aspect of high amplitude water level problem, the embodiment provides a combined scheme of the steel pipe pile 7 and the supporting structure 8, different working heights of the platform of the water-down area 3 are adjusted by controlling the vertical height of the supporting structure 8, the pontoon/oil drum is used for adapting to the high water level amplitude, sufficient buoyancy is provided, and the high water level amplitude problem is effectively solved by combining the two. The assembled photovoltaic floating body and the assembly can be moved to a permanent anchoring matrix by means of a water tug.

The foregoing description is only of the preferred embodiments of the present utility model, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A body assembled platform suitable for float formula photovoltaic power plant, its characterized in that: the device comprises a turnover area (1), an assembly area (2), a launching area (3) and an on-water floating platform (4) which are sequentially connected, wherein the launching area (3) comprises at least two rows of steel pipe piles (7), a supporting structure (8) and a pavement plate (9), the at least two rows of steel pipe piles (7) are arranged on the coast of the assembly area (2), the lower parts of all the steel pipe piles (7) are anchored on an underwater bearing layer, the upper parts are connected with each other through the supporting structure (8), and the pavement plate (9) is laid at the top of the supporting structure (8); the water floating platform (4) is connected with the sewer area (3) through a flexible connecting piece, the water floating platform (4) is provided with a steel structure frame (10), and a group of oil barrels or pontoons serving as floating bodies are fixed at the bottom of the steel structure frame (10).

2. A floating body assembly platform for a floating photovoltaic power plant as claimed in claim 1, wherein: the splicing area (2) and the turnover area (1) are respectively provided with a semi-closed workshop, the semi-closed workshop comprises a plurality of workshop supporting pieces and a roof (12), the workshop supporting pieces are combined into a frame structure and fixed on the ground, and the roof (12) is fixedly paved at the top of the frame structure.

3. A floating body assembly platform for a floating photovoltaic power plant as claimed in claim 2, wherein: the workshop support piece is made of light square steel (11), and the roof (12) is made of color steel plates.

4. A floating body assembly platform for a floating photovoltaic power plant as claimed in claim 1, wherein: the ground of the turnover area (1) consists of a graded broken stone backfill layer (5) and a concrete surface layer (6).

5. A floating body assembly platform for a floating photovoltaic power plant as claimed in claim 1, wherein: the ground of the assembly area (2) consists of a sand bag backfill layer (13), a graded broken stone backfill layer (5) and a concrete surface layer (6).

6. A floating body assembly platform for a floating photovoltaic power plant according to any one of claims 1 to 5, wherein: the supporting structure (8) comprises a plurality of vertical supports (8.1) with adjustable heights and a plurality of transverse steel pipes (8.2); in each row of steel pipe piles (7), the top of every steel pipe pile (7) is fixed with at least one vertical support (8.1), the height of vertical support (8.1) on the preceding row of steel pipe piles (7) is less than the height of vertical support (8.1) on the following row of steel pipe piles (7), the upper end of vertical support (8.1) on two adjacent rows of steel pipe piles (7) is through the slope is arranged horizontal steel pipe (8.2) one-to-one connection, pavement board (9) are laid the top of horizontal steel pipe (8.2).

7. A floating body assembly platform for a floating photovoltaic power plant as claimed in claim 6, wherein: the vertical support (8.1) comprises a plurality of vertical steel pipes (8.11), active fasteners (8.12) and reinforcing members, the vertical steel pipes (8.11) and the transverse steel pipes (8.2) are all fixed together through the active fasteners (8.12), radial through holes (8.13) are formed in the vertical steel pipes (8.11), and the reinforcing members are inserted into the through holes (8.13) in the upper side and/or the lower side of the active fasteners (8.12).

8. A floating body assembly platform for a floating photovoltaic power plant as claimed in claim 7, wherein: the vertical steel pipe (8.11) at the lowest end of the vertical support (8.1) is connected with the steel pipe pile (7) through an angle steel (14).

9. A floating body assembly platform for a floating photovoltaic power plant as claimed in claim 7, wherein: the reinforcement is a bolt or a pin.

10. A floating body assembly platform for a floating photovoltaic power plant according to any one of claims 1 to 5, wherein: the steel structure frame (10) is paved with a pavement plate (9).