Large-span multi-cable-system flexible photovoltaic support

Abstract

The invention relates to a large-span multi-cable-system flexible photovoltaic support, and the support comprises assembly cables which are disposed in the east-west direction. The adjusting cable is arranged in the east-west direction; the supporting piece comprises a first upper rod and a first chassis; the ground anchor cable system comprises a second upper rod and a second chassis; an adjusting cable is pulled in the middle of the top of the middle column upper rod and is locked on the first chassis in the east-west direction; the adjusting cable is locked on the second chassis in the east-west direction; in the east-west direction of each row of photovoltaic supports, the mounting height of the second chassis is lower than that of the first chassis, and in every three first chassis, one second chassis is arranged between the first two first chassis, so that the adjusting cable forms a downward arch; and a middle column upper rod is arranged between the two rear first base plates, so that the adjusting cable forms an upward arch shape, and the adjusting cable forms a form that the downward arch shape and the upward arch shape are alternated. The adjusting cable can adjust the sag of the assembly cable through the tensioning device, and the adjusting cable can assist the assembly cable in bearing downward wind load and resisting forward wind pressure.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic brackets, in particular to a large-span, multi-cable flexible photovoltaic bracket. Background Art

[0002] The existing large-span photovoltaic flexible support structure mainly includes load-bearing cables, component cables, cable truss row struts, piles, side anchor systems, steel beams, cable truss struts and other parts. The prestressed cables are arranged in the east-west direction, and the north-south direction is connected by cable truss row struts and cable truss struts to resist positive and negative wind pressures. Each strut is an independent rod that needs to be connected with bolts. Each strut must be installed separately, and the structure is complex. It is suitable for flat projects such as fish ponds, but has poor adaptability to undulating mountains. The material and installation costs are relatively high. In addition, each row of this type of structure in the north-south direction is only connected by independent struts, and the integrity is not strong. It is easy to vibrate in strong winds and cause component damage. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a large-span flexible photovoltaic bracket with multiple cable systems to improve wind resistance.

[0004] The technical solution adopted by the present invention to solve the above technical problems is: a large-span multi-cable flexible photovoltaic bracket, comprising Module cables, set in an east-west direction, are used to install photovoltaic modules; The adjustment cable is set in an east-west direction and is located between the high and low steel strands of the component cable; A support member, comprising a first upper rod and a first bottom plate located below the first upper rod and connected to the first upper rod; The ground anchor cable system comprises a second upper rod and a second chassis located below the second upper rod and connected to the second upper rod; The center column system has a center column upper pole whose top middle part pulls the adjustment cable. The adjustment cable is locked to the first chassis in the east-west direction; the adjustment cable is locked to the second chassis in the east-west direction; In the east-west direction of each row of photovoltaic brackets, the installation height of the second chassis is lower than the installation height of the first chassis. Among every three first chassis, a second chassis is arranged between the first two first chassis, so that the adjustment cable forms a downward bow shape; a middle column upper rod is arranged between the last two first chassis, so that the adjustment cable forms an upward bow shape, and then the adjustment cable forms an alternating downward bow shape and upward bow shape.

[0005] Preferably, the long-span multi-cable flexible photovoltaic support comprises: An oblique brace, the upper end of which is connected to the tail of the first upper rod of the support member, and the oblique brace and the first upper rod of the support member form an acute angle, a right angle, or an obtuse angle; A first north-south cable is locked to a connecting rod below the first upper rod, and is locked to a diagonal brace rod; A north-south wind-resistant cable system is formed by the support members, the diagonal braces and the first north-south cables.

[0006] Preferably, the long-span multi-cable flexible photovoltaic support comprises A second north-south cable is locked to the first chassis of the support member; A north-south wind-resistant cable system is formed by the support member, the diagonal brace, the first north-south cable and the second north-south cable.

[0007] Preferably, both ends of the first north-south cable and the second north-south cable are pulled by the south and north stabilizing columns respectively.

[0008] Preferably, the ground anchor cable system comprises The second upper pole connects the component cables set in the east-west direction of each row of photovoltaic brackets; The inter-row ground anchor is arranged between the north-south spacings of each row of photovoltaic brackets, connected to the tail of the second upper pole of the previous row through a front flexible cable, and connected to the front of the second upper pole of the next row through a rear flexible cable; The end ground anchor is connected to the front part of the second upper pole in the front row or to the tail part of the second upper pole in the back row.

[0009] Preferably, the center column system comprises Neutral column, The middle column upper pole has two ends used to connect the component cables set in the east-west direction of each row of photovoltaic brackets. The center column anchor is used to support the center column. The inter-row connecting rod has one end connected to the lower part of the center column of the previous row and the other end connected to the upper part of the center column of the rear row.

[0010] Preferably, the center column system comprises The second connecting rod between rows has one end connected to the upper part of the center column of the previous row and the other end connected to the upper part of the center column of the next row. The column top plate is located above the middle column and fixed to the middle part of the middle column upper rod; The middle part of the middle column upper rod is fixed with east and west pull ears; the east and west pull ears respectively pull the east adjustment rope and the west adjustment rope.

[0011] The beneficial effects of the present invention are as follows: each row of the flexible support solution of the present invention comprises multiple sets of center column systems, and multiple rows of support arrays form a photovoltaic array. Component cables and adjustment cables are arranged in the east-west direction, and the solar components are mounted on the two component cables by means of a clamp. The installation inclination angle of the photovoltaic components can be adjusted by adjusting the height difference of the component cables. The component cables and the adjustment cables are connected by means of multiple supports, and the adjustment cables can adjust the sag of the component cables by means of a tensioning device, and the adjustment cables can assist the component cables in bearing downward wind loads and resisting positive wind pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic structural diagram of the flexible photovoltaic support of the present invention; Figure 2 yes Figure 1 An enlarged schematic diagram of A in FIG. Figure 3 yes Figure 1 An enlarged schematic diagram of point B in FIG. Figure 4 yes Figure 1 An enlarged schematic diagram of C in FIG. Among them: 100, support member; 200, diagonal brace; 301, first north-south cable; 302, second north-south cable; 101, first upper rod; 102, first connecting rod; 103, second connecting rod; 104, first chassis; 400, adjustment cable; 501, second upper rod; 502, second chassis; 503, inter-row ground anchor; 504, end ground anchor; 601, middle column; 602, middle column upper rod; 603, middle column ground anchor; 604, inter-row connecting rod; 605, inter-row second connecting rod; 606, column top plate. Implementation

[0013] The present invention will now be described in further detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0014] like Figure 1-Figure 4 As shown, a large-span multi-cable flexible photovoltaic support includes Module cables, set in an east-west direction, are used to install photovoltaic modules; The adjustment cable 400 is arranged in the east-west direction and is located between the high and low steel strands of the component cable; The support member 100 includes a first upper rod 101 and a first bottom plate 104 located below the first upper rod 101 and connected to the first upper rod 101; The ground anchor cable system includes a second upper rod 501 and a second chassis 502 located below the second upper rod 501 and connected to the second upper rod 501; The middle column system, wherein the top middle portion of the middle column upper rod 602 of the middle column system pulls the adjustment cable 400, The adjustment cable 400 is locked to the first chassis 104 in the east-west direction; the adjustment cable 400 is locked to the second chassis 502 in the east-west direction; In the east-west direction of each row of photovoltaic brackets, the installation height of the second chassis 502 is lower than the installation height of the first chassis 104. Among every three first chassis 104, a second chassis 502 is arranged between the first two first chassis 104, so that the adjustment cable 400 forms a downward bow shape; a middle column upper rod 602 is arranged between the last two first chassis 104, so that the adjustment cable 400 forms an upward bow shape, and then the adjustment cable 400 forms an alternating downward bow shape and upward bow shape.

[0015] The flexible bracket scheme of the present invention includes multiple sets of center column systems in each row of brackets, and multiple rows of bracket arrays form a photovoltaic array. Component cables and adjustment cables are set in the east-west direction. The solar components are mounted on the two component cables through a clamp. The installation inclination of the photovoltaic components can be adjusted by adjusting the height difference of the component cables. The component cables and the adjustment cables are connected through multiple support members. The adjustment cables can adjust the sag of the component cables through a tensioning device. The adjustment cables can assist the component cables in bearing downward wind loads and resisting positive wind pressure. The adjustment cables 400 form a downward bow shape and an upward bow shape alternately, making the adjustment cables more stable and more resistant to positive wind pressure.

[0016] Specifically, an optional implementation is as follows: Figure 2 As shown, a large-span multi-cable flexible photovoltaic support includes: The upper end of the diagonal brace 200 is connected to the tail of the first upper rod 101 of the support member 100, and the diagonal brace 200 forms an acute angle, a right angle or an obtuse angle with the first upper rod 101 of the support member 100; The first north-south cable 301 is locked to the connecting rod below the first upper rod 101, and is locked to the diagonal brace rod 200; The second north-south cable 302 is locked to the first chassis 104 of the support member 100; A single-layer north-south wind-resistant cable system is formed by the support member 100 , the diagonal brace rod 200 , and the first north-south flexible cable 301 ; a double-layer north-south wind-resistant cable system is formed by the support member 100 , the diagonal brace rod 200 , the first north-south flexible cable 301 , and the second north-south cable 302 .

[0017] Both ends of the first north-south cable 301 and the second north-south cable 302 are pulled by the south and north stabilizing columns respectively.

[0018] The photovoltaic support of the present invention is provided with multiple single-layer or double-layer north-south wind-resistant cable systems. The addition of single-layer or double-layer north-south wind-resistant cable system structures allows the entire photovoltaic support to form a three-dimensional spatial structure, which can make the entire structure more stable and better able to resist positive and negative wind pressures.

[0019] Specifically, an optional implementation is as follows: Figure 3 As shown, the ground anchor cable system includes The second upper rod 501 is connected to the component cables arranged in the east-west direction of each row of photovoltaic brackets; The inter-row ground anchor 503 is arranged between the north-south spacings of each row of photovoltaic brackets, connected to the tail of the second upper pole 501 of the previous row through a front flexible cable, and connected to the front of the second upper pole 501 of the next row through a rear flexible cable; The end ground anchor 504 is connected to the front of the second upper rod 501 in the front row or to the rear of the second upper rod 501 in the rear row.

[0020] Inter-row ground anchors 503 are set between the north-south spacing of each row of photovoltaic brackets. The inter-row ground anchors 503 are connected to the second upper pole 501 through front flexible cables and rear flexible cables to improve the ability to resist reverse wind pressure. In strong winds, the entire bracket system can better maintain stability. The structure is simple and easy to install, which reduces labor costs.

[0021] Specifically, an optional implementation is as follows: Figure 4 As shown, the center column system includes Center column 601, The middle column upper rod 602 has two ends respectively used to connect the component cables arranged in the east-west direction of each row of photovoltaic brackets. The center column anchor 603 is used to support the center column 601. An inter-row connecting rod 604, one end of which is connected to the lower part of the middle column 601 of the previous row, and the other end of which is connected to the upper part of the middle column 601 of the next row; The second inter-row connecting rod 605 has one end connected to the upper part of the middle column 601 of the previous row, and the other end connected to the upper part of the middle column 601 of the next row. The column top plate 606 is located above the middle column 601 and is fixed to the middle of the middle column upper rod 602; The east and west pull ears are fixed in the middle of the middle column upper rod 602; the east and west pull ears pull the east adjustment rope and the west adjustment rope respectively.

[0022] The single-layer or double-layer north-south wind-resistant cable system is connected to the component cable and the adjustment cable 400, so that the entire system is connected to form a three-dimensional cable network structure. The support member 100 is then connected to the first north-south cable 301 through the diagonal brace 200, making the entire structure more stable, preventing the component from flipping over, and better resisting positive and negative wind pressure.

[0023] The entire structure, the adjustment cable 400 can assist the component cables in resisting positive wind pressure, the single-layer or double-layer north-south wind-resistant cable system can resist positive and negative wind pressure, and the ground anchor cable system can make the entire system better resist negative wind pressure. The system structure is simple and easy to install, reducing labor costs. This solution can effectively resist positive and negative wind pressure, reduce the swing of the entire system, and reduce the risk of component cracking or even falling off.

[0024] The above description only describes the specific implementation mode of the present invention. Various examples do not limit the essential content of the present invention. After reading the description, ordinary technicians in the relevant technical field can modify or deform the specific implementation modes described above without departing from the essence and scope of the invention.

Claims

1. A large-span, multi-cable flexible photovoltaic support, characterized in that: include Module cables, set in an east-west direction, are used to install photovoltaic modules; An adjustment cable (400) is arranged in an east-west direction and is located between the high and low steel strands of the component cable; A support member (100) comprising a first upper rod (101) and a first bottom plate (104) located below the first upper rod (101) and connected to the first upper rod (101); A ground anchor cable system, comprising a second upper rod (501) and a second chassis (502) located below the second upper rod (501) and connected to the second upper rod (501); A center column system, wherein the top middle portion of the center column upper rod (602) of the center column system pulls the adjustment cable (400), The adjustment cable (400) is locked to the first chassis (104) in the east-west direction; the adjustment cable (400) is locked to the second chassis (502) in the east-west direction; In the east-west direction of each row of photovoltaic brackets, the installation height of the second chassis (502) is lower than the installation height of the first chassis (104); among every three first chassis (104), a second chassis (502) is arranged between the first two first chassis (104), so that the adjustment cable (400) forms a downward bow shape; and a middle column upper rod (602) is arranged between the last two first chassis (104), so that the adjustment cable (400) forms an upward bow shape, thereby making the adjustment cable (400) form a downward bow shape and an upward bow shape alternating.

2. The large-span, multi-cable flexible photovoltaic support according to claim 1, characterized in that: include: An oblique brace (200), the upper end of which is connected to the tail of the first upper rod (101) of the support member (100), and the oblique brace (200) and the first upper rod (101) of the support member (100) form an acute angle, a right angle, or an obtuse angle; A first north-south pulling cable (301) is locked to a connecting rod below the first upper rod (101), and is locked to a diagonal bracing rod (200); A north-south wind-resistant cable system is formed by the support member (100), the diagonal brace rod (200), and the first north-south cable (301).

3. The large-span, multi-cable flexible photovoltaic support according to claim 2, characterized in that: include A second north-south pulling cable (302) is locked to the first chassis (104) of the support member (100); A north-south wind-resistant cable system is formed by the support member (100), the diagonal brace rod (200), the first north-south cable (301), and the second north-south cable (302).

4. The large-span, multi-cable flexible photovoltaic support according to claim 3, characterized in that: Both ends of the first north-south pulling cable (301) and the second north-south pulling cable (302) are pulled by the south and north stabilizing columns respectively.

5. The large-span, multi-cable flexible photovoltaic support according to claim 1, characterized in that: The ground anchor cable system comprises The second upper rod (501) is connected to the component cables arranged in the east-west direction of each row of photovoltaic brackets; The inter-row ground anchor (503) is arranged between the north-south spacings of each row of photovoltaic brackets, connected to the tail of the second upper rod (501) of the previous row through a front flexible cable, and connected to the front of the second upper rod (501) of the next row through a rear flexible cable; The end ground anchor (504) is connected to the front of the second upper rod (501) in the front row or to the rear of the second upper rod (501) in the rear row.

6. The large-span, multi-cable flexible photovoltaic support according to claim 1, characterized in that: The center column system includes Center column (601), The middle column upper rod (602) has two ends respectively used to connect the component cables arranged in the east-west direction of each row of photovoltaic brackets. The center column anchor (603) is used to support the center column (601). The inter-row connecting rod (604) has one end connected to the lower part of the middle column (601) of the previous row, and the other end connected to the upper part of the middle column (601) of the next row.

7. The large-span, multi-cable flexible photovoltaic support according to claim 6, characterized in that: The center column system includes The second connecting rod (605) between rows has one end connected to the upper part of the middle column (601) of the previous row and the other end connected to the upper part of the middle column (601) of the next row. The column top plate (606) is located above the middle column (601) and is fixed to the middle of the middle column upper rod (602); The middle part of the middle column upper rod (602) is fixed with east and west pull ears; the east and west pull ears pull the east adjustment rope and the west adjustment rope respectively.

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