Connecting structure suitable for offshore photovoltaic large platform truss and steel pile

Abstract

The utility model discloses a connecting structure suitable for an offshore photovoltaic large platform truss and a steel pile, which belongs to the technical field of offshore photovoltaic, and comprises a large platform truss and a steel pile body, a photovoltaic assembly is arranged at the top of the large platform truss, and a connecting structure is arranged at the top of the steel pile body. The large platform truss is connected with the steel pile body through a connecting structure. The large platform truss, the connecting structures and the steel pile modules can be manufactured on the land, the offshore photovoltaic construction efficiency can be greatly improved, the difficulty can be reduced, meanwhile, the construction process can be effectively controlled, the product quality of the structure can be guaranteed, intensive large-scale production can be carried out, and the production cost is reduced. After being built on the land, the structural modules are integrally transported to the sea for construction and installation, the offshore construction difficulty can be greatly reduced, offshore construction procedures are reduced, the construction progress is accelerated, the construction period is shortened, and the construction cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of offshore photovoltaic, especially to a connecting structure suitable for offshore photovoltaic large platform truss and steel pile. BACKGROUND

[0002] Offshore photovoltaic not only meets the needs of energy saving and emission reduction and energy agency transformation, but also is consistent with the concept of rational development and utilization of marine resources, and the resource reserves and technology development make offshore photovoltaic have the potential for large-scale development, and the commercialization prospect is broad.

[0003] The offshore photovoltaic foundation type mainly has fixed pile foundation type and floating type. The connection between the traditional fixed pile foundation type foundation and the upper photovoltaic is the type of hoop. This fixed type is beneficial to the construction on land, but for the construction conditions and environment on the sea, this hoop type is not conducive to the promotion of the project due to the poor reliability, and the floating photovoltaic has not been fully researched and sufficient successful experience has been obtained. With the development of offshore photovoltaic industry, the construction area gradually transits from the beach shore to the offshore area with water depth of 5-10 m or even more than 10 m, the applicability of the traditional fixed PHC pipe pile combined with steel support scheme is limited, and the steel pile combined with offshore photovoltaic large platform truss scheme has stronger applicability. However, due to the large size and heavy weight of the offshore photovoltaic large platform truss structure, the connection with the steel pile is difficult to construct, the construction efficiency is poor, and the cost is high. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the above-mentioned problems of offshore photovoltaic large platform truss and steel pile connection construction difficulty, high connection node strength requirement, and complicated construction procedure, the utility model provides a connecting structure suitable for offshore photovoltaic large platform truss and steel pile.

[0005] The utility model provides a connecting structure suitable for offshore photovoltaic large platform truss and steel pile, adopts the following technical scheme:

[0006] A connecting structure suitable for offshore photovoltaic large platform truss and steel pile, including large platform truss and steel pile body, the top of the large platform truss is provided with photovoltaic module, the top of the steel pile body is provided with connecting structure, and the large platform truss is connected with the steel pile body through the connecting structure;

[0007] The connecting structure includes a connecting flange plate, the connecting flange plate is arranged at the top of the steel pile body, the top of the connecting flange plate is connected with a cross steel plate, the cross steel plate is connected with a platform support steel pipe, and the end of the platform support steel pipe away from the cross steel plate is connected with the large platform truss, and a fixing bolt is arranged between the cross steel plate and the platform support steel pipe.

[0008] By adopting the technical scheme, the prepared large platform truss structure and connecting structure are transported to the site for construction and installation, one end of the cross-shaped steel plate is clamped at the end of the platform support steel pipe, and a fixing bolt is arranged, so that the cross-shaped steel plate and the platform support steel pipe are fixedly connected, thereby the large platform truss can be connected with the steel pile body, the construction efficiency of offshore photovoltaic power generation can be greatly improved, the offshore construction difficulty can be greatly reduced, the offshore construction process can be reduced, and the construction progress can be accelerated.

[0009] Optionally, the top of the steel pile body is connected with a pile top flange plate, a plurality of first waist-shaped holes are formed in the surface of the pile top flange plate, a plurality of second waist-shaped holes are formed in the surface of the connecting flange plate, the first waist-shaped holes and the second waist-shaped holes are arranged in correspondence, and a connecting bolt is arranged between the first waist-shaped holes and the second waist-shaped holes.

[0010] By adopting the technical scheme, the load transmitted to the steel pile body through the pile top flange plate is transmitted to the stratum, the horizontal load suffered by the structure is resisted, the strength requirement is met, and excessive deformation is avoided, so that safety accidents are avoided.

[0011] Optionally, the outer side of the steel pile body is connected with a reinforcing rib plate, the number of the reinforcing rib plates is eight, the eight reinforcing rib plates are arranged in a ring shape about the center of the steel pile body, and the top of the eight reinforcing rib plates is flush with the top of the steel pile body and is welded to the bottom of the pile top flange plate.

[0012] By adopting the technical scheme, the load transmitted by the connecting flange plate can be effectively transmitted to the steel pile body, the welding strength of the pile top flange plate and the steel pile body can be increased, and the overall strength of the pile head part of the steel pile body can be improved.

[0013] Optionally, the bottom of the connecting flange plate is welded with a cylindrical positioning pin, and the diameter of the cylindrical positioning pin is smaller than the diameter of the middle circular hole of the pile top flange plate.

[0014] By adopting the technical scheme, the preliminary positioning of the large platform truss during overall hoisting can be facilitated, and large displacement and shaking during the installation process can be avoided.

[0015] Optionally, the number of the cross-shaped steel plates is four groups, the four groups of cross-shaped steel plates are arranged in a ring shape about the center of the connecting flange plate, the bottom of the four groups of cross-shaped steel plates is welded to the top of the connecting flange plate, and the longitudinal section of the four groups of cross-shaped steel plates is a quarter circular plate structure.

[0016] By adopting the technical scheme, the overall strength and deformation resistance of the cross-shaped steel plate are good, and the large platform truss and the steel pile body can be well connected.

[0017] Optionally, the end of the platform support steel pipe is provided with a U-shaped groove, and the cross steel plate is located in the U-shaped groove away from the end of the connecting flange disc.

[0018] By adopting the above technical scheme, the cross steel plate and the platform support steel pipe are conveniently connected.

[0019] Optionally, the outer sides of the pile top flange disc, the connecting bolt, the connecting flange disc and the fixing bolt are coated with a paint layer.

[0020] By adopting the above technical scheme, the anti-corrosion performance of the pile top flange disc, the connecting bolt, the connecting flange disc and the fixing bolt is further improved, so that the pile top flange disc, the connecting bolt, the connecting flange disc and the fixing bolt are prevented from being corroded by seawater, and the service life of the pile top flange disc, the connecting bolt, the connecting flange disc and the fixing bolt is prolonged.

[0021] To sum up, the utility model has at least one of the following beneficial effects:

[0022] The large platform truss, the connecting structure and the steel pile module can be manufactured on land, so that the construction efficiency of the offshore photovoltaic power station is greatly improved, the difficulty is reduced, the construction process can be effectively controlled, the product quality of the structure is guaranteed, and intensive and large-scale production can be performed; after the structure module is manufactured on land, the structure module is integrally transported to the sea for construction and installation, so that the offshore construction difficulty is greatly reduced, the offshore construction process is reduced, the construction progress is accelerated, the construction period is shortened, and the construction cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0024] Figure 1 It is a whole structure schematic view of the utility model;

[0025] Figure 2 It is a bottom view structure schematic view of the utility model;

[0026] Figure 3 It is a top view structure schematic view of the utility model.

[0027] In the drawing: 1, steel pile body; 2, reinforcing rib plate; 3, pile top flange disc; 4, connecting bolt; 5, connecting flange disc; 6, cylindrical positioning bolt; 7, cross steel plate; 8, platform support steel pipe; 9, fixing bolt; 10, first waist-shaped hole; 11, second waist-shaped hole. DETAILED DESCRIPTION

[0028] The utility model is further explained in detail below. Figures 1-3 The utility model is further explained in detail below.

[0029] Please refer to the drawings in the specification Figure 1 The utility model provides an embodiment: a connecting structure suitable for offshore photovoltaic large platform truss and steel pile, including large platform truss and steel pile body 1, the top of large platform truss is installed with photovoltaic module, and the top of steel pile body 1 is provided with connecting structure, and large platform truss is connected with steel pile body 1 through connecting structure.

[0030] Please refer to the drawings in the specification Figure 1 、 Figure 2 And Figure 3 Connecting structure includes connecting flange plate 5, and connecting flange plate 5 is arranged at the top of steel pile body 1, and the top of steel pile body 1 is welded with pile top flange plate 3, and the surface of pile top flange plate 3 is provided with a plurality of first waist-shaped holes 10, and the surface of connecting flange plate 5 is provided with a plurality of second waist-shaped holes 11, and the first waist-shaped hole 10 and the second waist-shaped hole 11 are correspondingly arranged, and the connecting bolt 4 is arranged between the first waist-shaped hole 10 and the second waist-shaped hole 11. The load transmitted to steel pile body 1 through pile top flange plate 3 is transmitted to stratum, and the horizontal load suffered by the structure is resisted, so that the strength meets the requirement and does not appear too much deformation, and safety accidents are avoided.

[0031] Please refer to the drawings in the specification Figure 1 And Figure 2 The outer side of steel pile body 1 is welded with reinforcing rib plate 2, and the number of reinforcing rib plate 2 is eight, and the eight reinforcing rib plates 2 are annularly arranged about the center of steel pile body 1, and the top of eight reinforcing rib plates 2 is flush with the top of steel pile body 1 and is welded with the bottom of pile top flange plate 3. The load transmitted by connecting flange plate 5 can be effectively transmitted to steel pile body 1, and the welding strength of pile top flange plate 3 and steel pile body 1 can be increased, and the overall strength of the pile head part of steel pile body 1 is improved.

[0032] Please refer to the drawings in the specification Figure 1 And Figure 2 The bottom of connecting flange plate 5 is welded with cylindrical positioning bolt 6, and the diameter of cylindrical positioning bolt 6 is less than the diameter of the middle circular hole of pile top flange plate 3. It is beneficial to the preliminary positioning when the whole large platform truss is hoisted, and large displacement and shaking during installation process are avoided.

[0033] Please refer to the drawings in the specification Figure 1 And Figure 3The top of the connecting flange plate 5 is welded with cross-steel plates 7, the number of the cross-steel plates 7 is four groups, the four groups of cross-steel plates 7 are arranged in a circle about the center of the connecting flange plate 5, the bottom of the four groups of cross-steel plates 7 is welded with the top of the connecting flange plate 5, and the longitudinal section of the four groups of cross-steel plates 7 is a quarter of a circular plate structure, so that the overall strength and deformation resistance of the cross-steel plates 7 are good, and the cross-steel plates 7 can be well connected with the large platform truss and the steel pile body 1.

[0034] Please refer to the drawings in the specification Figure 1 and Figure 3 The platform support steel pipes 8 are connected with the cross-steel plates 7, one end of the platform support steel pipes 8 away from the cross-steel plates 7 is connected with the large platform truss, the end of the platform support steel pipes 8 is provided with a U-shaped groove, and the end of the cross-steel plates 7 away from the center of the connecting flange plate 5 is located in the U-shaped groove, so that the cross-steel plates 7 and the platform support steel pipes 8 are connected conveniently.

[0035] Please refer to the drawings in the specification Figure 1 The outer sides of the pile top flange plate 3, the connecting bolt 4, the connecting flange plate 5 and the fixing bolt 9 are coated with a paint layer, so that the corrosion resistance of the pile top flange plate 3, the connecting bolt 4, the connecting flange plate 5 and the fixing bolt 9 is improved, the rusting caused by seawater erosion is avoided as much as possible, and the service life of the pile top flange plate 3, the connecting bolt 4, the connecting flange plate 5 and the fixing bolt 9 is prolonged.

[0036] Working principle: in use, the prepared large platform truss structure and connecting structure are transported to the site for construction and installation, first, the cylindrical positioning pin 6 is inserted into the steel pile body 1, which is beneficial to the preliminary positioning of the large platform truss during the overall hoisting, so as to avoid large displacement and shaking during the installation process, then the second waist-shaped hole 11 on the connecting flange plate 5 is sequentially matched with the first waist-shaped hole 10 on the pile top flange plate 3, then the connecting bolt 4 is arranged in the first waist-shaped hole 10 and the second waist-shaped hole 11 for connection, so that the pile top flange plate 3 and the connecting flange plate 5 are fixedly connected, then one end of the cross-steel plate 7 is clamped in the U-shaped groove at the end of the platform support steel pipe 8, and the fixing bolt 9 is arranged, so that the cross-steel plate 7 and the platform support steel pipe 8 are fixedly connected, so that the large platform truss and the steel pile body 1 can be connected, the construction efficiency of offshore photovoltaic power generation can be greatly improved, the offshore construction difficulty can be greatly reduced, the offshore construction process can be reduced, and the construction progress can be accelerated.

[0037] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A connecting structure suitable for offshore photovoltaic large platform truss and steel pile, comprising a large platform truss and a steel pile body (1), characterized in that: The top of the large platform truss is provided with a photovoltaic module, and the top of the steel pile body (1) is provided with a connecting structure. The connecting structure comprises a connecting flange plate (5) arranged on the top of the steel pile body (1), the top of the connecting flange plate (5) is connected with a cross-shaped steel plate (7), the cross-shaped steel plate (7) is connected with a platform support steel pipe (8), and the end of the platform support steel pipe (8) away from the cross-shaped steel plate (7) is connected with the large platform truss, and a fixing bolt (9) is arranged between the cross-shaped steel plate (7) and the platform support steel pipe (8).

2. The connection structure for offshore photovoltaic large platform truss and steel pile according to claim 1, characterized in that: The top of the steel pile body (1) is connected with a pile top flange plate (3), a plurality of first waist-shaped holes (10) are formed in the surface of the pile top flange plate (3), a plurality of second waist-shaped holes (11) are formed in the surface of the connecting flange plate (5), the first waist-shaped holes (10) and the second waist-shaped holes (11) are correspondingly arranged, and a connecting bolt (4) is arranged between the first waist-shaped holes (10) and the second waist-shaped holes (11).

3. The connection structure for offshore photovoltaic large platform truss and steel pile according to claim 2, characterized in that: The outer side of the steel pile body (1) is connected with a reinforcing rib plate (2), the number of the reinforcing rib plates (2) is eight, the eight reinforcing rib plates (2) are arranged in a ring shape about the center of the steel pile body (1), and the top of the eight reinforcing rib plates (2) is flush with the top of the steel pile body (1) and is welded to the bottom of the pile top flange plate (3).

4. The connecting structure for the offshore photovoltaic large platform truss and steel pile according to claim 1, characterized in that: The bottom of the connecting flange plate (5) is welded with a cylindrical positioning bolt (6), and the diameter of the cylindrical positioning bolt (6) is smaller than the diameter of the middle circular hole of the pile top flange plate (3).

5. The connection structure for offshore photovoltaic large platform truss and steel pile according to claim 1, characterized in that: The number of the cross-shaped steel plates (7) is four groups, the four groups of cross-shaped steel plates (7) are arranged in a ring shape about the center of the connecting flange plate (5), the bottom of the four groups of cross-shaped steel plates (7) is welded to the top of the connecting flange plate (5), and the longitudinal section of the four groups of cross-shaped steel plates (7) is a quarter circular plate structure.

6. The connection structure for offshore photovoltaic large platform truss and steel pile according to claim 1, characterized in that: The end of the platform support steel pipe (8) is provided with a U-shaped groove, and the end of the cross-shaped steel plate (7) away from the center of the connecting flange plate (5) is located in the U-shaped groove.

7. The connection structure for offshore photovoltaic large platform truss and steel pile according to claim 2, characterized in that: The outer sides of the pile top flange plate (3), the connecting bolt (4), the connecting flange plate (5) and the fixing bolt (9) are coated with a paint layer.

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