Double-layer photovoltaic integral structure support and control method

Abstract

The invention relates to a double-layer photovoltaic integral structure support which comprises four supporting assemblies, each supporting assembly comprises a bearing base, and a first-layer fixed joist assembly, a guide frame, a second-layer movable bracket assembly and a winch driving system are arranged on each bearing base. The first-layer fixed joist assembly is used for bearing a first-layer photovoltaic assembly; the middle lower part is arranged between the two stand columns; a guide frame is arranged above the first layer of fixed joist assembly; and a second-layer movable bracket assembly is arranged above the guide frame and is used for bearing an opening and closing bearing structure of a second-layer photovoltaic assembly. The double-layer photovoltaic integral structure support is used for supporting and transporting a double-layer offshore photovoltaic integral structure, an installation support does not need to be additionally set up after the double-layer photovoltaic integral structure arrives at a site, the double-layer photovoltaic integral structure support can be directly in butt joint with a seabed pile foundation or a floating body structure, and the double-layer photovoltaic integral structure support can be assembled immediately after being transported to the site, so that high efficiency and convenience of the double-layer photovoltaic integral structure support are reflected; extra transfer equipment is not needed, offshore operation links are reduced, the construction efficiency is improved, the supporting frame can be repeatedly used, and the equipment investment cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of marine engineering, in particular to a double-layer photovoltaic integrated structure support. BACKGROUND

[0002] In recent years, with the rapid development of the photovoltaic power generation industry, the production and use of photovoltaic components are expanding, and the demand for efficient and safe transportation is increasing. During the process of transferring from land to offshore installation points, both transportation stability and installation convenience need to be met. Due to the large size of photovoltaic structural components and the easy damage of photovoltaic panels, the fixing technology of the goods has very high requirements.

[0003] In the prior art, offshore photovoltaic structural components are mostly transported in a single layer or simply stacked, which is not only inefficient, but also prone to component wear due to wind and wave tossing, and the operation is complex and time-consuming. Therefore, there is an urgent need for an integrated device that is compact in structure, easy to operate, and can realize layered safe transportation and rapid transfer of components. SUMMARY

[0004] In view of the deficiencies in the prior art, the present application provides a double-layer photovoltaic integrated structure support that is compact in structure, easy to operate, and can realize layered safe transportation and rapid transfer of components.

[0005] The technical solution adopted by the present application is as follows: A double-layer photovoltaic integrated structure support, comprising four groups of support components, each group of support components comprising a bearing base, the bearing base being provided with a first layer of fixed joist component, a guide frame, a second layer of movable bracket component, and a winch driving system; the bearing base comprising a column and a bottom plate; the column being connected to the bottom plate; The first layer of fixed joist component is used to bear the first layer of photovoltaic components; it is arranged in the middle and lower part between the two columns; the guide frame is arranged above the first layer of fixed joist component; the second layer of movable bracket component is arranged above the guide frame, which is used as an opening and closing bearing structure for the second layer of photovoltaic components. The inside of the column is provided with a hole to ensure that the bracket of the connecting rod mechanism can be opened and closed at will. In the closed state, the movable bracket unit and the fixed bracket unit are parallel.

[0006] Preferably, the top end of the column is provided with a tower-shaped guide block.

[0007] Preferably, the column is a hollow steel cylinder, and the upper part of the column is provided with a long circular hole that penetrates front and back; A long circular slot is arranged in the long circular hole along the length direction of the column; The long circular slot is a long circular plate with a long circular hole; The second layer of movable bracket component comprises a long circular slot, a sliding shaft assembly, a driven rod, a first connecting shaft assembly, a driving rod, a fixed support plate, and a second connecting shaft assembly. The fixed support plates are welded to the middle positions of the columns; Two groups of rectangular holes are arranged at the middle positions of the two sides of the columns; the rectangular holes are through holes; Two fixed support plates with circular holes are inserted into the rectangular holes and welded to the inner surfaces of the columns; The driving rod and the driven rod are both double-layer steel plate structures; A C-shaped bracket is arranged at the inner side of the upper end of the driving rod; The lower end of the driving rod is hingedly connected with the fixed support plate through a second connecting shaft assembly; The second connecting shaft assembly comprises a shaft, a circular ring fixed plate, a semicircular ring clamping plate, bolts and gaskets; The upper end of the driving rod is rotatably connected with the lower end of the driven connecting rod through a first connecting shaft assembly; The first connecting shaft assembly comprises a shaft, a circular ring fixed plate, a semicircular ring clamping plate, bolts and gaskets; The upper end of the driven rod is clamped in the oblong clamping groove through a sliding shaft.

[0008] The sliding shaft slides in the oblong clamping groove.

[0009] Preferably, the first layer of fixed joist assembly comprises a horizontal support plate and a vertical support plate; The middle part of the horizontal support plate is provided with a photovoltaic module limiting hole; The two ends of the horizontal support plate are arc-shaped; A guide frame is arranged above the horizontal support plate; The guide frame comprises a vertical guide beam; The vertical guide beam is connected with the column through a connecting beam.

[0010] Preferably, the upper and lower parts of the column are respectively provided with an upper circular hole and a lower circular hole which penetrate the column; The upper oblong hole is arranged above the oblong clamping groove; The upper circular hole and the lower circular hole are respectively provided with a circular clamping groove.

[0011] The circular clamping groove is a semi-closed cube welded by a steel plate, the open face is a slot, the opposite plate of the open face is provided with a circular hole, and the whole is arc-cut according to the cylindrical shape of the column.

[0012] Preferably, the winch driving system comprises a winch, a guide pulley set and a load bearing rope; The guide pulley set comprises a fixed pulley and a pin shaft assembly, which are arranged on the circular clamping groove; The lower end of the load bearing rope is connected with the winch, and the upper end sequentially passes through the lower guide pulley set and the upper guide pulley set arranged on the column and is connected with the pull plate at the upper part of the driven rod.

[0013] The pull plate is connected with the steel wire rope by a shackle.

[0014] Preferably, an intermediate fixed shaft is welded to the upper end of the driven rod, and two bushings and a pull plate are threaded through the intermediate fixed shaft. The pull plate is used to connect the load-bearing rope. The two bushings squeeze the pull plate in the middle, thus limiting the position of the pull plate.

[0015] The upper and lower ends of the driving rod and the driven rod are respectively provided with round holes; A rotatable connection is formed by passing a connecting shaft through a circular hole in a rectangular steel plate and a circular hole at the lower end of the drive rod, and then using a circular clamp assembly to limit its movement.

[0016] The circular clamp assembly includes a circular ring fixing plate, a semi-circular ring clamping plate, bolts, and washers.

[0017] Preferably, a circular hole is provided on the front of the column at the middle position to facilitate the disassembly of the connecting shaft assembly, which consists of the connecting shaft and the circular clip assembly.

[0018] Preferably, the C-shaped bracket is a C-shaped steel structure welded together from a rectangular steel plate and two triangular steel plates, with internal stiffeners for reinforcing the C-shaped steel structure.

[0019] A control method for a double-layer photovoltaic integrated structure support involves starting a winch to rotate forward, with the drum winding up the load-bearing rope. The rope changes direction via a guide pulley system and pulls the driven rod, driving it to rotate around its connection point with the driving rod, which in turn drives the driving rod to rotate synchronously until the driving rod is completely retracted into the column. At this point, the second-layer linkage mechanism bracket is in the open state. The legs of the first-layer photovoltaic structure are aligned with the top of the support equipment using hoisting equipment and slowly lowered into the limiting holes of the first-layer fixed support beam along the guide frame; When the winch is started to reverse, the drum releases the load-bearing rope, and the second-layer movable bracket unit flips downward under its own weight. The linkage transmission mechanism then swings outward to reset until the second-layer movable bracket unit is parallel to the fixed bracket unit. The bracket automatically closes and locks, and the winch stops running. The legs of the second-layer photovoltaic structure are aligned with the mounting holes of the second-layer movable bracket unit using hoisting equipment; transportation begins after the fixing is completed. After transportation to the site, remove the equipment using the same procedure as during installation. The equipment can then be directly fixed to the photovoltaic support foundation and used as a temporary support structure.

[0020] The advantages of this invention over the prior art are: The double-layer photovoltaic integrated structure support of the application is used for supporting the double-layer offshore photovoltaic integrated structure, compared with the traditional offshore photovoltaic which needs to be transported for multiple times and assembled in multiple links, the integrated equipment combines transportation and support. At the same time, after arriving at the site, no additional support installation is needed, and the double-layer photovoltaic integrated structure support can be directly connected with the subsea pile foundation or the floating body structure, realizing complete installation after transportation, and embodying high efficiency and convenience.

[0021] 1. The equipment integrates the transportation bearing and the installation support functions, no additional transfer equipment is needed, the offshore operation links are reduced, the construction efficiency is improved, the support frame can be reused, and the equipment investment cost is reduced.

[0022] 2. The equipment opens and closes the bracket through the winch system and the connecting rod mechanism linkage to realize the double-layer photovoltaic integrated structure transportation, avoids the wear and tear of the stacked transportation structure pieces, and guarantees the safety of the transportation process.

[0023] 3. The equipment is composed of two groups of high and low support frames, has small occupied area, light structure, high adaptability to the photovoltaic structure pieces, can more efficiently utilize the limited space, and can complete loading and unloading and temporary storage without relying on large hoisting equipment, and greatly improves the port turnover efficiency.

[0024] The technical scheme adopted by the application to solve the technical problems is that considering the inclination of the photovoltaic structure pieces, two groups of high and low support frames are adopted to form a set of equipment, each group has two support frames, and each support frame is mainly composed of a bearing base, a first layer fixed joist, a guide frame, a second layer movable bracket unit, a bearing rope, a winch and the like. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the installation three-dimensional structure schematic view of the double-layer photovoltaic integrated structure support of the application; Figure 2 is the single support frame locking state schematic view of the double-layer photovoltaic integrated structure support of the application; Figure 3 is the main view structure schematic view of the connecting rod transmission mechanism locking state of the double-layer photovoltaic integrated structure support of the application; Figure 4 is the overhead structure schematic view of the connecting rod transmission mechanism locking state of the double-layer photovoltaic integrated structure support of the application; Figure 5 is the winch driving system overall structure schematic view of the double-layer photovoltaic integrated structure support of the application; Figure 6 is the driven rod connecting structure schematic view of the double-layer photovoltaic integrated structure support of the application; Figure 7 is the driven rod structure schematic view of the double-layer photovoltaic integrated structure support of the application; Figure 8is the structure schematic diagram of the winch driving system of the double-layer photovoltaic integrated structure support of the application; Figure 9 is the side view structure schematic diagram of the column of the double-layer photovoltaic integrated structure support of the application.

[0026] Explanation of main component symbols in the drawings: In the drawings: 1, bearing base 2, first layer fixed joist 3, guide frame 4, second layer movable bracket unit 5, winch driving system 6, photovoltaic module 11, column 12, bottom plate 13, guide block 21, guide pulley block 22, steel wire bearing rope 23, winch 31, long circular clamping groove 32, sliding shaft assembly 33, driven rod 34, first connecting shaft assembly 35, driving rod 36, fixed support plate 37, second connecting shaft assembly 38, C-shaped bracket end 51, middle fixed shaft 52, shaft sleeve 53, pull plate. DETAILED DESCRIPTION

[0027] The application will be described in detail below with reference to the drawings and examples: The drawings Figures 1-9 It can be seen that the double-layer photovoltaic integrated structure support comprises four groups of support assemblies, each group of support assemblies comprises a bearing base 1, the bearing base 1 is provided with a first layer fixed joist assembly 2, a guide frame 3, a second layer movable bracket assembly 4 and a winch driving system 5; the bearing base 1 comprises a column 11 and a bottom plate 12; the column 11 is connected with the bottom plate 12; the first layer fixed joist assembly 2 is used for bearing a first layer photovoltaic module; the first layer fixed joist assembly 2 is arranged at the middle lower part between the two columns 11; the guide frame 3 is arranged above the first layer fixed joist assembly 2; the second layer movable bracket assembly 4 is arranged above the guide frame 3 and is used for bearing the opening and closing bearing structure of a second layer photovoltaic module.

[0028] Preferably, the column 11 is provided with a tower-shaped guide block 13 at the top end.

[0029] Preferably, the column 11 is a hollow steel cylinder, and a long circular hole 14 penetrating through the front and back is arranged at the upper part of the column 11; A long circular clamping groove 31 is arranged in the length direction of the column in the long circular hole 14; The second layer movable bracket assembly comprises: an oblong slot 31, a sliding shaft assembly 32, a driven rod 33, a first connecting shaft assembly 34, a driving rod 35, a fixed support plate 36 and a second connecting shaft assembly 37. The fixed support plate 36 is welded to the middle position of the column 11. Two groups of rectangular holes 15 are arranged at the middle positions of the two sides of the column respectively. Two fixed support plates 36 with round holes are inserted into the rectangular holes and welded to the inner surface of the column. The driving rod 35 and the driven rod 33 are both double-layer steel plate structures. A C-shaped bracket 38 is arranged at the inner side of the upper end of the driving rod 35. The lower end of the driving rod 35 is hingedly connected with the fixed support plate 36 through the second connecting shaft assembly 37. The upper end of the driving rod 35 is rotationally connected with the lower end of the driven connecting rod 33 through the first connecting shaft assembly 34. The upper end of the driven rod 33 is clamped in the oblong slot 31 through the sliding shaft 32.

[0030] The sliding shaft 32 slides in the oblong slot 31.

[0031] Preferably, the first layer fixed support beam assembly comprises a horizontal support plate 41 and a vertical support plate 42. The middle part of the horizontal support plate 41 is provided with a photovoltaic module limiting hole. The two ends of the horizontal support plate 41 are arc-shaped. A guide frame is arranged above the horizontal support plate 41. The guide frame comprises a vertical guide beam 43. The vertical guide beam 43 is connected with the column 11 through a connecting beam 44.

[0032] Preferably, the upper part and the lower part of the column 11 are respectively provided with an upper circular hole and a lower circular hole which penetrate the column. The upper oblong hole is arranged above the oblong slot. The upper circular hole and the lower circular hole are respectively provided with an upper oblong slot 16 and a lower oblong slot 17.

[0033] Preferably, the hoisting driving system 5 comprises a hoist 23, a guide pulley set 21 and a load bearing rope 22. The guide pulley set comprises a fixed pulley and a pin shaft assembly which are arranged on the circular slot. The lower end of the load bearing rope 22 is connected with the hoist 23, and the upper end sequentially passes through the lower guide pulley set and the upper guide pulley set arranged on the column and is connected with the pull plate 53 at the upper part of the driven rod 33.

[0034] Preferably, the middle fixed shaft 51 is welded on the upper end of the driven rod 33, two shaft sleeves 52 and a pull plate 53 are penetrated on the middle fixed shaft 51, and the pull plate 53 is used for connecting the load bearing rope 22; The upper end and the lower end of the driving rod 35 and the driven rod 33 are respectively provided with a round hole. The connecting shaft is penetrated through the round hole of the rectangular steel plate and the round hole of the lower end of the driving rod, and then the round clamping assembly is used for limiting.

[0035] Preferably, the front surface of the middle position of the stand column 11 is provided with a round hole 18, which is used for facilitating dismounting of the connecting shaft assembly composed of the connecting shaft and the round clamping assembly.

[0036] Preferably, the C-shaped bracket 38 is composed of a rectangular steel plate and two triangular steel plates which are welded into a C-shaped steel structure, and the inside is provided with a rib plate.

[0037] A control method of the double-layer photovoltaic integral structure support, the winch is started to rotate in a positive direction, the drum winds the load bearing rope, the rope changes the direction through the guide pulley set and then pulls the driven rod, the driven rod is driven to rotate around the connecting point of the driving rod, and then the driving rod is synchronously rotated, until the driving rod is completely retracted into the stand column; at this time, the second layer of the linkage mechanism bracket is in an open state; The supporting equipment is used to align the supporting equipment above the first layer of the photovoltaic structure piece, and then the first layer of the fixed joist is slowly put into the limiting hole along the guide frame; The winch is started to rotate in a reverse direction, the drum releases the load bearing rope, the second layer of the movable bracket unit is turned down under the action of the dead weight, the linkage transmission mechanism is reset along with the outward swing, until the second layer of the movable bracket unit is parallel to the fixed bracket unit, the bracket is automatically closed and locked, and the winch is stopped running; The supporting equipment is used to align the second layer of the movable bracket unit of the photovoltaic structure piece; after the fixing is completed, the transportation is started; After the transportation is completed, the same operation as the installation is used to take down, and then the equipment can be directly fixed on the photovoltaic support foundation as a temporary support structure.

[0038] The above is only a preferred embodiment of the present application, and does not limit the structure of the present application in any form. Any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application are within the technical solution range of the present application.

Claims

1. A double-layer photovoltaic integrated structure support, comprising four sets of support components, each set of support components comprising a bearing base (1), wherein the bearing base (1) is provided with a first-layer fixed support beam assembly (2), a guide frame (3), a second-layer movable bracket assembly (4), and a hoisting drive system (5); the bearing base (1) comprises a column (11) and a base plate (12); the column (11) is connected to the base plate (12), characterized in that: The first layer fixed support beam assembly (2) is used to support the first layer photovoltaic module; it is located in the middle and lower part between the two columns (11); a guide frame is provided above the first layer fixed support beam assembly (2); a second layer movable bracket assembly (4) is provided above the guide frame (3), which is used to support the opening and closing structure of the second layer photovoltaic module.

2. The double-layer photovoltaic integral structure support according to claim 1, characterized in that: A tower-shaped guide block (13) is provided at the top of the column (11).

3. The double-layer photovoltaic integral structure support according to claim (1), characterized in that: The column (11) is a hollow steel cylinder, and an elongated oval hole (14) is provided on the upper part of the column (11) that runs through the front and back. An oblong groove (31) is provided inside the oblong hole (14) along the length of the column; The second-layer movable bracket assembly includes: an elongated oval slot (31), a sliding shaft assembly (32), a driven rod (33), a first connecting shaft assembly (34), a driving rod (35), a fixed support plate (36), and a second connecting shaft assembly (37); The fixed support plate (36) is welded to the middle position of the column (11); Two sets of rectangular holes (15) are respectively set at the middle position on both sides of the column; Two fixed support plates (36) with round holes are inserted into rectangular holes and then welded to the inner surface of the column for fixation; Both the driving rod (35) and the driven rod (33) are double-layer steel plate structures; A C-shaped bracket (38) is provided on the inner side of the upper end of the active rod (35); The lower end of the active rod (35) is hinged to the fixed support plate (36) via the second connecting shaft assembly (37); The upper end of the driving rod (35) is rotatably connected to the lower end of the driven connecting rod (33) through the first connecting shaft assembly (34); The upper end of the driven rod (33) is fitted into the elongated oval groove (31) via the sliding shaft (32); The sliding shaft (32) slides within the oblong groove (31).

4. The double-layer photovoltaic integral structure support according to claim 1, characterized in that: The first layer of fixed support beam assembly includes a horizontal support plate (41) and a vertical support plate (42); A photovoltaic module limiting hole is provided in the middle of the horizontal support plate (41); The horizontal support plate (41) has rounded ends; A guide frame is provided above the horizontal support plate (41); The guide frame includes a vertical guide beam (43); The vertical guide beam (43) is connected to the column (11) via the connecting beam (44).

5. The double-layer photovoltaic integral structure support according to claim 1, characterized in that: The upper and lower parts of the column (11) are respectively provided with upper circular holes and lower circular holes that penetrate the column; The upper oblong hole is located above the oblong slot; The upper circular hole and the lower circular hole are respectively provided with an upper circular slot (16) and a lower circular slot (17).

6. The double-layer photovoltaic integral structure support according to claim 5, characterized in that: The winch drive system (5) includes: a winch (23), a guide pulley block (21), and a load-bearing rope (22); The guide pulley assembly includes: a fixed pulley and a pin assembly, which are respectively set on a circular groove; The lower end of the load-bearing rope (22) is connected to the winch (23), and the upper end passes through the lower guide pulley group and the upper guide pulley group set on the column in sequence, and is connected to the pull plate (53) on the upper part of the driven rod (33).

7. The double-layer photovoltaic integral structure support according to claim 6, characterized in that: A middle fixed shaft (51) is welded to the upper end of the driven rod (33). Two bushings (52) and a pull plate (53) are threaded through the middle fixed shaft (51). The pull plate (53) is used to connect the load-bearing rope (22). The upper and lower ends of the driving rod (35) and the driven rod (33) are respectively provided with round holes; A rotatable connection is formed by passing a connecting shaft through a circular hole in a rectangular steel plate and a circular hole at the lower end of the drive rod, and then using a circular clamp assembly to limit its movement.

8. The double-layer photovoltaic integral structure support according to claim 7, characterized in that: A circular hole (18) is provided on the front of the column (11) in the middle position to facilitate the disassembly of the connecting shaft assembly consisting of the connecting shaft and the round clip assembly.

9. The double-layer photovoltaic integral structure support according to claim 1, characterized in that: The C-type bracket (38) is a steel structure made of a rectangular steel plate and two triangular steel plates welded together to form a C shape, with internal stiffeners.

10. A control method for a double-layer photovoltaic integral structure support as described in any one of claims 1-9, characterized in that: When the winch is started to rotate forward, the drum winds up the load-bearing rope. After the rope changes direction through the guide pulley block, it pulls the driven rod, which drives the driven rod to rotate around the connection point with the driving rod, thereby driving the driving rod to rotate synchronously until the driving rod is completely retracted into the column; at this time, the second-layer linkage mechanism bracket is in the open state. The legs of the first-layer photovoltaic structure are aligned with the top of the support equipment using hoisting equipment and slowly lowered into the limiting holes of the first-layer fixed support beam along the guide frame; When the winch is started to reverse, the drum releases the load-bearing rope, and the second-layer movable bracket unit flips downward under its own weight. The linkage transmission mechanism then swings outward to reset until the second-layer movable bracket unit is parallel to the fixed bracket unit. The bracket then automatically closes and locks, and the winch stops running. The legs of the second-layer photovoltaic structure are aligned with the mounting holes of the second-layer movable bracket unit using hoisting equipment; transportation begins after the fixing is completed. After transportation to the site, remove the equipment using the same procedure as during installation. The equipment can then be directly fixed to the photovoltaic support foundation and used as a temporary support structure.

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