Photovoltaic support hoisting construction method

Abstract

The application discloses a photovoltaic support hoisting construction method, which comprises the following steps: step one, pile foundation construction: according to different water depths, pipe pile construction is conducted within 1m water depth by using a water piling machine, and pile driving is conducted by using a pile driving ship when the water depth exceeds 1m; the foundation pile construction of the power generation area support is conducted first, and then the anchoring side pile construction is conducted; the application relates to the photovoltaic support hoisting technical field.The photovoltaic support hoisting construction method can adjust and splice the installation position of the cross beam by the installation personnel through the limiting mechanism when the cross beam is hoisted, can control and level the flatness of the beam by using a leveling rod, can adjust the position with height deviation by welding a steel plate on the pile top plate, and can position and adjust the cross beam and the pile foundation quickly and conveniently by limiting the position through the limiting mechanism during positioning.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic bracket hoisting technology, specifically a photovoltaic bracket hoisting construction method. Background Technology

[0002] Traditional solar-fishery hybrid power plants suffer from problems such as small spacing between support piles, large material consumption for support structures, low space utilization, and weak wind resistance. With the development of photovoltaic technology, the introduction of suspension systems has led to flexible photovoltaic support technology, enabling large-span photovoltaic structures. Compared to fixed photovoltaic supports, flexible supports offer significant advantages: First, they are more adaptable to complex terrain conditions such as fishponds, reservoirs, lakes, and coal mining subsidence areas. Second, they increase space utilization, successfully solving the problems of large spans and weak wind resistance inherent in traditional photovoltaic support systems. Third, compared to traditional steel frame structures, flexible photovoltaic supports use less steel and have lower load-bearing capacity.

[0003] When hoisting and welding the crossbeams, the buoyancy of the water makes positioning difficult, requiring a lot of time to calibrate and align, resulting in low processing efficiency. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a photovoltaic support hoisting construction method, which solves the problems mentioned above.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a photovoltaic support hoisting construction method, comprising the following steps:

[0006] Step 1, Pile Foundation Construction: Depending on the water depth, pipe piles are constructed using a water-based pile driver when the water depth is less than 1 meter, and pile driving boats are used when the water depth exceeds 1 meter. During construction, the foundation piles for the power generation area support are constructed first, followed by the anchoring side piles.

[0007] During the construction of pipe piles, GPS on the pile driving vessel is used to control and adjust the verticality and spacing of the pipe piles to ensure that the pile body is vertical and the pile spacing is correct. Piles are driven by hammer driving and leveling is performed using a level instrument.

[0008] During pile driving, ensure that the pile cap, pile hammer, and pile body are always on the same center line. When the pile tip is in a general soil layer, control the pile tip primarily based on the design elevation, with penetration as a secondary factor; when the pile tip reaches the bearing layer, control primarily based on penetration, with pile tip elevation as a secondary factor; when the penetration reaches the design requirements but the pile tip elevation has not been reached, continue driving to ensure that the pile tip reaches the design elevation.

[0009] After the pile foundation construction is completed, tests are conducted on the compressive strength, tensile strength and horizontal static load of a single pile to ensure that the stability and load-bearing capacity of the PHC pile foundation structure meet the requirements.

[0010] Step 2, Crossbeam Installation: The crossbeam is transported to the pile location by a transport ship. The mobile base of the mobile platform is moved to the water surface, and a small crane with a hoisting mechanism is installed on the fixed platform to hoist the crossbeam on the water and position the mobile base.

[0011] Step 3, Positioning: During the hoisting of the crossbeam, the installation personnel adjust and splice the crossbeam installation position using the limiting mechanism. The flatness of the beam is controlled and leveled using a level. For parts with height deviation, steel plates are welded onto the pile top plate for adjustment. During positioning, the limiting mechanism is used for limiting. Then, the positioning rod that slides in the sleeve on the surface of the movable base is extended underwater for positioning. After hoisting, the junction of the beam and the pile is welded. The welded parts are coated with two coats of anti-rust primer and one coat of epoxy zinc-rich topcoat.

[0012] As a further aspect of the present invention: the mobile platform includes a mobile base, a guide frame is fixedly connected to one side of the mobile base, a first limiting pad adapted to the surface of the pile foundation is fixedly connected to one side of the guide frame, a limiting frame is fixedly connected to the other side of the mobile base, and a second limiting pad adapted to the surface of the pile foundation is fixedly connected to one side of the limiting frame.

[0013] As a further aspect of the present invention: the hoisting mechanism includes a fixed platform fixed above the movable base, a crane is fixedly connected to the top of the fixed platform, and a crossbeam hoisting frame is connected to the lifting end of the crane.

[0014] As a further aspect of the present invention: the limiting mechanism includes a movable frame movably connected to the surface of the pile foundation, a locking pin threadedly connected to the surface of the movable frame, one side of the locking pin abutting against the surface of the pile foundation, a left limiting frame fixedly connected to one side of the movable frame, a turning groove provided on one side of the movable frame, a right limiting frame rotatably connected within the turning groove, a bolt groove provided in the inner cavity of the turning groove, a limiting bolt threadedly connected to the inner cavity of the bolt groove, the limiting bolt being used to limit the right limiting frame.

[0015] As a further aspect of the present invention: in step two, the movable base is positioned by moving the movable base so that both the first limiting pad and the second limiting pad are engaged with the pile foundation. At this time, the two cranes are lifted simultaneously.

[0016] As a further aspect of the present invention: in step three, the movable frame is fixed to the pile foundation surface by locking pin through the limiting mechanism. At this time, the left limiting frame is fixed to the left side, and then the right limiting frame is rotated to fix the right side. At this time, the limiting bolt in the steering groove is rotated to unscrew it from the bolt groove to support the right limiting frame.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] 1. In this invention, during the hoisting of the crossbeam, the installation personnel adjust and splice the installation position of the crossbeam using a limiting mechanism. The flatness of the beam is controlled and leveled using a level. For parts with height deviation, steel plates are welded onto the pile top plate for adjustment. During positioning, the limiting mechanism is used for limiting, which allows for quick positioning and adjustment of the crossbeam and pile foundation, and makes welding more convenient.

[0019] 2. In this invention, the movable base is positioned by both the first and second limiting pads engaging with the pile foundation, allowing for quick fixation and ensuring that the position of the crossbeam remains consistent each time. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the mobile platform of the present invention;

[0021] Figure 2 This is a schematic diagram of the structure of the movable base of the present invention;

[0022] Figure 3 For the present invention Figure 1 Enlarged diagram of point A in the middle.

[0023] In the diagram: 1. Movable base; 2. Fixed platform; 3. Crane; 4. Pile foundation; 5. Crossbeam; 6. Crossbeam lifting frame; 7. Movable frame; 8. Locking pin; 9. Left limit frame; 10. Right limit frame; 11. Turning groove; 12. Bolt groove; 13. Limit bolt; 14. Sleeve; 15. Positioning rod; 16. Guide frame; 17. First limit pad; 18. Limit frame; 19. Second limit pad. Detailed Implementation

[0024] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0025] Please see Figure 1-3 This invention provides a technical solution: a photovoltaic bracket hoisting construction method, comprising the following steps:

[0026] Step 1, Pile Foundation 4 Construction: Depending on the water depth, for pipe piles with a water depth of less than 1 meter, a water-based pile driver is used for construction. For water depths exceeding 1 meter, a pile driving vessel is used for pile driving. During construction, the foundation piles for the power generation area support are constructed first, followed by the construction of the anchor side piles.

[0027] During the construction of pipe piles, GPS on the pile driving vessel is used to control and adjust the verticality and spacing of the pipe piles to ensure that the pile body is vertical and the pile spacing is correct. Piles are driven by hammer driving and leveling is performed using a level instrument.

[0028] During pile driving, ensure that the pile cap, pile hammer, and pile body are always on the same center line. When the pile tip is in a general soil layer, control the pile tip primarily based on the design elevation, with penetration as a secondary factor; when the pile tip reaches the bearing layer, control primarily based on penetration, with pile tip elevation as a secondary factor; when the penetration reaches the design requirements but the pile tip elevation has not been reached, continue driving to ensure that the pile tip reaches the design elevation.

[0029] After the construction of pile foundation 4 is completed, tests are conducted on the compressive strength, tensile strength and horizontal static load of a single pile to ensure that the stability and load-bearing capacity of the PHC pile foundation 4 structure meet the requirements.

[0030] Step 2, installation of crossbeam 5: The crossbeam 5 is transported to the pile position by a transport ship, the mobile base 1 of the mobile platform is moved to the water surface, and a small crane 3 with a hoisting mechanism is installed on the fixed platform 2 to hoist the crossbeam 5 on the water and position the mobile base 1.

[0031] Step 3, Positioning: When hoisting the crossbeam 5, the installers adjust and splice the installation position of the crossbeam 5 through the limiting mechanism. The flatness of the beam is controlled and leveled using a level. For parts with height deviation, steel plates are welded onto the pile top plate for adjustment. During positioning, the limiting mechanism is used for limiting. Then, the positioning rod 15, which slides in the sleeve 14 on the surface of the movable base 1, is extended underwater for positioning. After hoisting, the junction of the beam and the pile is welded. The welded parts are coated with two coats of anti-rust primer and one coat of epoxy zinc-rich topcoat.

[0032] The mobile platform includes a mobile base 1, a guide frame 16 is fixedly connected to one side of the mobile base 1, a first limiting pad 17 adapted to the surface of the pile foundation 4 is fixedly connected to one side of the guide frame 16, a limiting frame 18 is fixedly connected to the other side of the mobile base 1, and a second limiting pad 19 adapted to the surface of the pile foundation 4 is fixedly connected to one side of the limiting frame 18.

[0033] The hoisting mechanism includes a fixed platform 2 fixed above the mobile base 1, a crane 3 fixedly connected to the top of the fixed platform 2, and a crossbeam hoisting frame 6 connected to the lifting end of the crane 3.

[0034] The limiting mechanism includes a movable frame 7 movably connected to the surface of the pile foundation 4. A locking pin 8 is threadedly connected to the surface of the movable frame 7. One side of the locking pin 8 abuts against the surface of the pile foundation 4. A left limiting frame 9 is fixedly connected to one side of the movable frame 7. A turning groove 11 is opened on one side of the movable frame 7. A right limiting frame 10 is rotatably connected in the turning groove 11. A bolt groove 12 is opened in the inner cavity of the turning groove 11. A limiting bolt 13 is threadedly connected to the inner cavity of the bolt groove 12. The limiting bolt 13 is used to limit the right limiting frame 10. When the crossbeam 5 is hoisted, the installer adjusts and splices the installation position of the crossbeam 5 through the limiting mechanism. The flatness of the beam is controlled and leveled using a level. For parts with height deviation, steel plates are welded onto the pile top plate for adjustment. During positioning, the limiting mechanism is used to limit the position, which can quickly position and adjust the crossbeam 5 and the pile foundation 4, making welding more convenient.

[0035] In step two, the movable base 1 is positioned by moving the movable base 1 to engage the first limiting pad 17 and the second limiting pad 19 with the pile foundation 4. At this time, the two cranes 3 are lifted at the same time.

[0036] In step three, the movable frame 7 is fixed to the surface of the pile foundation 4 by the locking pin 8 through the limiting mechanism. At this time, the left limiting frame 9 fixes the left side, and then the right limiting frame 10 is rotated to fix the right side. At this time, the limiting bolt 13 in the steering groove 11 is rotated to unscrew it from the bolt groove 12 to support the right limiting frame 10.

[0037] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A method for hoisting and constructing a photovoltaic support structure, comprising a mobile platform, pile foundations (4), and a limiting mechanism, characterized in that: The mobile platform includes a mobile base (1), a guide frame (16) is fixedly connected to one side of the mobile base (1), a first limiting pad (17) adapted to the surface of the pile foundation (4) is fixedly connected to one side of the guide frame (16), a limiting frame (18) is fixedly connected to the other side of the mobile base (1), and a second limiting pad (19) adapted to the surface of the pile foundation (4) is fixedly connected to one side of the limiting frame (18). The limiting mechanism includes a movable frame (7) movably connected to the surface of the pile foundation (4), a locking pin (8) threadedly connected to the surface of the movable frame (7), one side of the locking pin (8) abutting against the surface of the pile foundation (4), and a left limiting frame (9) fixedly connected to one side of the movable frame (7). Includes the following steps: Step 1, Pile Foundation (4) Construction: Depending on the water depth, pipe piles with a water depth of less than 1 meter are constructed using a water-based pile driver, while piles with a water depth of more than 1 meter are constructed using a pile driving vessel. During construction, the foundation piles for the power generation area support are constructed first, followed by the construction of the anchor side piles. After the pile foundation (4) is completed, tests are conducted on the compressive strength, tensile strength and horizontal static load of a single pile to ensure that the structural stability and load-bearing capacity meet the requirements. Step 2, installation of crossbeam (5): The crossbeam (5) is transported to the pile position by a transport ship, the mobile base (1) of the mobile platform is moved to the water surface, and a small crane (3) of the hoisting mechanism is installed on the fixed platform (2) to hoist the crossbeam (5) on the water and position the mobile base (1). In step two, the movable base (1) is positioned by moving the movable base (1) so that the first limiting pad (17) and the second limiting pad (19) are both engaged with the pile foundation (4) to position the movable base (1). At this time, the two cranes (3) are lifted at the same time. Step 3, Positioning: When the crossbeam (5) is hoisted, the installer adjusts and splices the installation position of the crossbeam (5) through the limiting mechanism, levels it, and welds a steel plate on the top plate of the pile for adjustment. When positioning, the limiting mechanism is used to limit the position. Then, the positioning rod (15) that slides in the sleeve (14) on the surface of the movable base (1) is extended underwater for positioning. After hoisting, the junction of the beam and the pile is welded. The welded parts are coated with two coats of anti-rust primer and one coat of epoxy zinc-rich topcoat.

2. The photovoltaic mounting system hoisting construction method according to claim 1, characterized in that: The hoisting mechanism includes a fixed platform (2) fixed above the movable base (1), a crane (3) is fixedly connected to the top of the fixed platform (2), and a crossbeam hoisting frame (6) is connected to the lifting end of the crane (3).

3. The photovoltaic mounting system hoisting construction method according to claim 1, characterized in that: In step three, the movable frame (7) is fixed to the surface of the pile foundation (4) by the locking pin (8) through the limiting mechanism. At this time, the left limiting frame (9) fixes the left side, and then the right limiting frame (10) is rotated to fix the right side. At this time, the limiting bolt (13) in the steering groove (11) is rotated to unscrew it from the bolt groove (12) to support the right limiting frame (10).

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