Photovoltaic support structure of super-large span cable-stayed string truss combined system

Abstract

The utility model discloses a photovoltaic support structure of a super-large span cable-stayed string truss combined system, which comprises a space net-shaped truss suspended above a spanning area and tower column foundations arranged at two ends of the spanning area, the tower column foundations are pre-buried and fixed underground, and tower column bodies are mounted on the tower column foundations. Each tower column body is provided with a plurality of stay cables, the stay cables are connected with the spatial net-shaped truss, and the spatial net-shaped truss is used for laying photovoltaic panels. According to the utility model, the tower column body and the stay cables on the tower column body are mutually connected with the string truss, so that the rigidity of the structure is ensured, the large-span requirement of more special sites can be met, and the popularization and application of the photovoltaic technology are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic brackets, and in particular relates to a photovoltaic bracket structure of an ultra-large span inclined-stayed string truss combined system. Background Art

[0002] With the development of new energy technology, photovoltaic power generation technology has gained wide favor in the market. With the rapid development of the industry, high-quality project land resources are rapidly exhausted. In order to meet the growing market demand and save investment costs, the development of non-high-quality project land, such as mountains, intertidal zones, and above pools, will become the main trend of the industry's future development. The application of traditional photovoltaic support structures in these fields is not flexible enough, the photovoltaic module layout rate is low, and the cost is high.

[0003] In order to meet the requirements of installing photovoltaic panels in special sites such as mountains, sewage treatment plants, reservoirs, fish ponds, etc., large-span flexible photovoltaic support structures (such as single-layer suspension cable structures, double-layer cable truss structures, triple-layer cable truss structures, tension beam structures, etc.) are usually used. However, when the span of the special site is large, the rigidity of the current support structure is difficult to meet, especially in areas with high wind pressure, making it difficult to achieve installation with a larger span, limiting the development of photovoltaic technology. Utility Model Content

[0004] The purpose of the utility model is to overcome the defects of the prior art and provide a photovoltaic support structure of an ultra-large span cable-stayed string-truss combination system, which utilizes a tower body and the cable-stayed cables thereon to connect with the string-truss to ensure the rigidity of the structure, so that it can meet the large-span requirements of more special sites and is conducive to the promotion and application of photovoltaic technology.

[0005] The purpose of the utility model is achieved through the following technical solutions:

[0006] A photovoltaic support structure of an ultra-large span cable-stayed chord truss combination system includes a spatial mesh truss suspended above a spanning area and tower column foundations arranged at both ends of the spanning area. The tower column foundation is pre-buried and fixed underground, and a tower column body is installed thereon. Each of the tower column bodies is provided with a plurality of inclined cables, and the inclined cables are connected to the spatial mesh truss. The spatial mesh truss is used for laying photovoltaic panels.

[0007] In one embodiment, the spatial mesh truss includes a plurality of longitudinal truss units arranged evenly at intervals, the longitudinal truss units include a main truss upper chord and a main truss lower chord arranged parallel to each other, the main truss upper chord and the main truss lower chord are connected by a plurality of main truss webs, the plurality of longitudinal truss units are connected together by a transverse connecting truss arranged on the main truss upper chord, and the inclined cable is connected to the transverse connecting truss.

[0008] In one embodiment, the main truss web includes a plurality of continuous web units, wherein the web unit includes a first sub-web extending vertically and second sub-webs located on both sides of the first sub-web and symmetrical to each other, wherein the second sub-webs extend obliquely, and the second sub-webs of two adjacent web units are connected to each other.

[0009] In one embodiment, the plurality of transverse connecting trusses on the longitudinal truss unit are evenly spaced and arranged to form a plurality of installation areas of uniform specifications with the longitudinal truss unit, and one photovoltaic panel is laid in each of the installation areas.

[0010] In one embodiment, the transverse connection truss is further provided with a plurality of support cables extending in a direction perpendicular thereto, and each installation area has at least two support cables for fixing the locks at the bottom of the photovoltaic panel to the support cables.

[0011] In one embodiment, the middle section of the longitudinal truss is provided with a plurality of rigid vertical rods extending in the vertical direction, the tops of the rigid vertical rods are connected to the lower chord rods of the main truss, and the bottoms of the plurality of rigid vertical rods are connected to pre-tightened lower chord tension cables.

[0012] In one embodiment, the tower column body passes through the spatial mesh truss, the inclined cable is located above the spatial mesh truss, and a plurality of stabilizing cables are arranged below the spatial mesh truss, one end of the stabilizing cable is connected to the tower column body, and the other end is connected to the lower chord of the main truss, and the stabilizing cable is located on both sides of the lower chord tension cable.

[0013] The beneficial effects of the utility model are:

[0014] (1) The tower column and the inclined cables on it are connected to the spatial mesh truss to ensure the rigidity of the structure, so that it can meet the large span requirements of more special sites, which is conducive to the promotion and application of photovoltaic technology.

[0015] (2) The stabilizing cables arranged at the bottom of the spatial mesh truss and the lower chord tension cables connected to the rigid vertical rods can effectively overcome the wind pressure and wind suction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.

[0017] in:

[0018] Figure 1 A schematic structural diagram of an embodiment of the utility model is shown;

[0019] Figure 2A schematic diagram showing the structure of the utility model in another direction;

[0020] In the drawings, like reference numerals are used for like parts. The drawings are not necessarily to scale.

[0021] Reference numerals:

[0022] 1-tower column, 2-slanted cable, 3-upper chord of main truss, 4-lower chord of main truss, 5-web of main truss, 6-rigid vertical bar, 7-lower chord tension cable, 8-stabilizing cable, 9-tower column foundation, 10-transverse connection truss, 11-support cable, 12-photovoltaic panel. DETAILED DESCRIPTION

[0023] The utility model will be further described below in conjunction with the accompanying drawings.

[0024] The utility model provides a photovoltaic support structure of a super-large span cable-stayed truss combined system, such as Figure 1 and Figure 2 As shown, it includes a spatial mesh truss suspended above the spanning area and tower column foundations 9 arranged at both ends of the spanning area. The tower column foundation 9 is pre-buried and fixed in the ground, and a tower column body 1 is installed thereon. Each tower column body 1 is provided with a plurality of inclined cables 2, and the inclined cables 2 are connected to the spatial mesh truss. The spatial mesh truss is used to lay photovoltaic panels 12.

[0025] Specifically, the spatial mesh truss includes a plurality of longitudinal truss units arranged at uniform intervals, the longitudinal truss unit includes a main truss upper chord 3 and a main truss lower chord 4 arranged in parallel to each other, the main truss upper chord 3 and the main truss lower chord 4 are connected by a plurality of main truss webs 5, the plurality of longitudinal truss units are connected together by a transverse connection truss 10 arranged on the main truss upper chord 3, the inclined cable 2 is connected to the transverse connection truss 10, the plurality of transverse connection trusses 10 on the longitudinal truss unit are arranged at uniform intervals to form a plurality of installation areas of uniform specifications with the longitudinal truss unit, and a photovoltaic panel 12 is laid in each installation area;

[0026] It should be noted that the longitudinal truss unit is formed by the main truss upper chord 3, the main truss lower chord 4 and the main truss web 5, and the spatial mesh truss is formed in cooperation with the transverse connection truss 10, and a plurality of installation areas of uniform specifications are formed, so that the photovoltaic panels 12 can be evenly laid on the spatial mesh truss. The rigid structure of the spatial mesh truss is supported by the inclined cable 2 connected to the tower column 1, that is, the rigidity of the overall support structure is improved by combining the inclined cable 2 with the string truss, so that it can meet the installation requirements of a larger span, which is conducive to the promotion of photovoltaic technology. At the same time, the overall deformation of the string truss is small, which can effectively avoid the occurrence of hidden cracks in the photovoltaic panel 12 during use and improve the service life of the photovoltaic panel 12.

[0027] Furthermore, the transverse connection truss 10 is also provided with a plurality of support cables 11 extending in a direction perpendicular thereto, and each installation area has at least two support cables 11 for the lock at the bottom of the photovoltaic panel 12 to be fixedly connected to the support cables 11, and the middle section of the longitudinal truss is provided with a plurality of rigid vertical rods 6 extending in the vertical direction, the top of the rigid vertical rod 6 is connected to the lower chord rod 4 of the main truss, and the bottoms of the plurality of rigid vertical rods 6 are connected to the pre-tightened lower chord tension cable 7, the tower body 1 runs through the spatial mesh truss, the inclined cable 2 is located above the spatial mesh truss, and a plurality of stabilizing cables 8 are further provided below the spatial mesh truss, one end of the stabilizing cable 8 is connected to the tower body 1, and the other end is connected to the lower chord rod 4 of the main truss, and the stabilizing cable 8 is located on both sides of the lower chord tension cable 7;

[0028] It should be noted that the rigid vertical rod 6 is supported by applying prestress to the lower chord tension cable 7, so that the longitudinal truss unit is self-balanced, and at the same time, the stabilizing cables 8 on both sides of the lower chord tension cable 7 can effectively overcome the effects of wind pressure and wind suction, further improving the stability of the bracket, so that it can be used normally in areas with high wind pressure;

[0029] Specifically, the main truss web 5 includes a plurality of continuous web units, the web unit includes a first sub-web extending vertically and second sub-webs located on both sides of the first sub-web and symmetrical to each other, the second sub-webs extending obliquely, and the second sub-webs of two adjacent web units are connected to each other, that is, a web unit is formed by the vertical first sub-web and the inclined second sub-web, and the stability of the connection between the main truss upper chord 3 and the main truss lower chord 4 is ensured by the continuous web units;

[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "back", "inside", "outside", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0031] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments, and other arrangements may be designed without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the features described in the various dependent claims and herein may be combined in a manner different from that described in the original claims. It may also be understood that the features described in conjunction with the individual embodiments may be used in other described embodiments.

Claims

1. A photovoltaic support structure of a super-large span cable-stayed truss combined system, characterized in that: It includes a spatial mesh truss suspended above the spanning area and tower column foundations arranged at both ends of the spanning area. The tower column foundation is pre-buried and fixed in the ground, and a tower column body is installed thereon. Each tower column body is provided with a plurality of inclined cables, and the inclined cables are connected to the spatial mesh truss. The spatial mesh truss is used for laying photovoltaic panels.

2. The photovoltaic support structure of the super-large span cable-stayed truss combined system according to claim 1 is characterized in that: The spatial mesh truss includes a plurality of longitudinal truss units arranged evenly at intervals, wherein the longitudinal truss units include a main truss upper chord and a main truss lower chord arranged in parallel with each other, the main truss upper chord and the main truss lower chord are connected by a plurality of main truss webs, and the plurality of longitudinal truss units are connected together by a transverse connecting truss arranged on the main truss upper chord, and the inclined cable is connected to the transverse connecting truss.

3. The photovoltaic support structure of the super-large span cable-stayed truss combined system according to claim 2 is characterized in that: The main truss web includes a plurality of continuous web units, wherein the web unit includes a vertically extending first sub-web and second sub-webs located on both sides of the first sub-web and symmetrical to each other, the second sub-webs extend obliquely, and the second sub-webs of two adjacent web units are connected to each other.

4. The photovoltaic support structure of the super-large span cable-stayed truss combined system according to claim 2 is characterized in that: The multiple transverse connecting trusses on the longitudinal truss unit are evenly spaced and arranged to form multiple installation areas of uniform specifications with the longitudinal truss unit, and one photovoltaic panel is laid in each of the installation areas.

5. The photovoltaic support structure of the super-large span cable-stayed truss combined system according to claim 4 is characterized in that: The transverse connection truss is also provided with a plurality of support cables extending in a direction perpendicular thereto, and each installation area has at least two support cables for fixing the locks at the bottom of the photovoltaic panel to the support cables.

6. The photovoltaic support structure of the super-large span cable-stayed truss combined system according to claim 2 is characterized in that: The middle section of the longitudinal truss is provided with a plurality of rigid vertical rods extending in the vertical direction, the tops of the rigid vertical rods are connected to the lower chord rods of the main truss, and the bottoms of the plurality of rigid vertical rods are connected to pre-tightened lower chord tension cables.

7. The photovoltaic support structure of the super-large span cable-stayed truss combined system according to claim 6 is characterized in that: The tower column body passes through the spatial mesh truss, the inclined cable is located above the spatial mesh truss, and a plurality of stabilizing cables are arranged below the spatial mesh truss, one end of the stabilizing cable is connected to the tower column body, and the other end is connected to the lower chord of the main truss, and the stabilizing cable is located on both sides of the lower chord tension cable.

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