Double-layer four-stress main steel cable photovoltaic flexible support system

Abstract

The utility model relates to the technical field of photovoltaic installation assemblies, in particular to a double-layer four-stress main steel cable photovoltaic flexible support system. According to the double-layer photovoltaic flexible support system with four stress main steel cables, the first lower-layer stress main steel cable, the second lower-layer stress main steel cable, the first upper-layer stress main steel cable and the second upper-layer stress main steel cable are stress main steel cables, and the upper-layer stress main steel cable and the lower-layer stress main steel cable are arranged in a multi-span and full-length mode, so that the overall structure is more uniform in stress, more stable in wind resistance and more stable in wind resistance. The mid-span deflection is reduced, the total tensile force of the anchoring end of the end-span steel support is reduced, and the designed span can reach 30-70 m. A plurality of quadrangle frame devices are adopted between the first lower-layer stress main steel cable and the second lower-layer stress main steel cable and between the first upper-layer stress main steel cable and the second upper-layer stress main steel cable to transmit vertical supporting force, each quadrangle frame device is of a single-layer structure, and stress is clear and easy to analyze. The four corner frames are connected through two small-diameter wind-resistant connecting cables which are arranged in a crossed mode, flexible connection is really achieved through the wind-resistant device, the whole photovoltaic support is made to be rigid and flexible, the flexible stress concept of the photovoltaic flexible support is achieved, and the photovoltaic flexible support can better adapt to the overall deformation coordination performance under the strong wind condition.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic installation component technical field, specifically is a double -deck four -way stress main cable photovoltaic flexible support system. BACKGROUND

[0002] Under the condition that the global energy exhaustion problem is more and more serious, as a kind of renewable green energy, the proportion of solar energy in the energy structure in our country is higher and higher, and the development of photovoltaic power generation project is more and more rapid. Because the traditional ground fixed photovoltaic support has certain site limitation, in recent years, a kind of large-span flexible photovoltaic support structure composed of prestressed cable system is getting more and more applications. The new system adopts prestressed cable to bear the load of photovoltaic module, has the characteristics of adapting to complex terrain conditions, fully utilizing land area, and strong site adaptability.

[0003] For flexible photovoltaic support system, the common structure form mainly is: single -layer double cable, double -deck three cable two structure forms. Single -layer double cable flexible photovoltaic support system is only applicable to small -span engineering project, and the economic applicable span is 10-25 meters, and the wind resistance stability is poor, and the application range is narrow;Double -deck three cable flexible photovoltaic support system, economic applicable span 20-40 meters, the lower cable of the current industry usually does, is wind -resisting structural cable, and each span is arranged, and the diameter is small and does not participate in the main stress, just as wind -resisting stability, stress is uneven, and the stability is poor, and it is not applicable to large -span photovoltaic installation. Space triangle cone is used between upper and lower layer steel cable, and the structure is complex, and the force transmission path is not clear, and the engineering cost is big. The structure of wind resistance system, the current industry usually does it is that angle steel, round pipe is connected between triangle cone, it is a kind of rigid force transmission connection method, and it does not conform to the flexible stress concept of flexible support system, and under the condition of strong wind working condition, it can produce distortion, cause engineering accident, which has been verified in many engineering accidents of flexible support. SUMMARY

[0004] The utility model discloses a kind of double -deck four -way stress main cable photovoltaic flexible support system.

[0005] The utility model provides a kind of double-layer four-way stress main cable photovoltaic flexible support system, including multiple groups of parallelly arranged photovoltaic flexible support, the photovoltaic flexible support includes two end span steel support, multiple rows of intermediate span steel support, multiple photovoltaic modules, two end span steel support between being provided with lower layer stress main cable one and lower layer stress main cable two, upper layer stress main cable one and upper layer stress main cable two, the photovoltaic module is hinged with upper layer stress main cable one and upper layer stress main cable two, the outside of the end span steel support is provided with anchor pile, the both ends of lower layer stress main cable one and lower layer stress main cable two, upper layer stress main cable one and upper layer stress main cable two are respectively hinged with two anchor piles, multiple rows of intermediate span columns are provided between two end span steel supports, the top of each row of multiple intermediate columns is fixed with one intermediate span steel support in common, and lower layer stress main cable one and lower layer stress main cable two, upper layer stress main cable one and upper layer stress main cable two are all through intermediate span steel support length arrangement, and the end span steel support and intermediate span steel support between, between two adjacent intermediate span steel supports form a support span, and the lower layer stress main cable one and lower layer stress main cable two, upper layer stress main cable one and upper layer stress main cable two between the same support span are fixedly connected by multiple four-corner frame devices arranged uniformly, and multiple four-corner frame devices are connected by wind resistance device between multiple parallel arrangements of multiple four-corner frame devices of stress main cable.

[0006] Further, the four-corner frame device includes a connecting seat, the top of the connecting seat is symmetrically provided with one connecting plate and one outer stand, the connecting plate is connected to one end of the inner stand by bolts, the other end of the two outer stands and the two inner stands is connected to the two ends of the horizontal frame by bolts, the intersection of the two inner stands is connected by bolts, the bottom of the connecting seat is provided with U-shaped card one and U-shaped card two fixedly connected with lower layer stress main cable one and lower layer stress main cable two, the top of the two ends of the horizontal frame is provided with U-shaped card three and U-shaped card four fixedly connected with upper layer stress main cable one and upper layer stress main cable two, respectively, and the side of the two outer stands is provided with U-shaped card five fixedly connected with wind resistance connecting cable.

[0007] Further, the wind resistance device includes two wind resistance piles, the two wind resistance piles are arranged on the ground outside the outer side of the four-corner frame device located most outward, the wind resistance pile is fixedly connected with the upper U-shaped card five of the two outer stands of the four-corner frame device located most outward by wind resistance cable one, a wind resistance main cable is arranged between the two wind resistance piles, the wind resistance main cable is arranged through and fixedly connected with the U-shaped card one on the multiple parallelly arranged four-corner frame devices, the two wind resistance connecting cables are connected between the outer stands of the two four-corner frame devices located close to each other by U-shaped card five, and the two wind resistance connecting cables are arranged in cross.

[0008] In summary, the utility model has the following beneficial effects:

[0009] The lower layer stress main steel cable one and the lower layer stress main steel cable two, the upper layer stress main steel cable one and the upper layer stress main steel cable two of the double-layer four-way stress main steel cable photovoltaic flexible support system are all stress main steel cables, and the upper layer steel cable and the lower layer steel cable are arranged in a multi-span length-through mode, so that the overall structure stress is more uniform, the wind resistance is more stable, the mid-span deflection is reduced, the total tension of the anchoring end of the end-span steel support is reduced, the design span can be larger, and the engineering cost can be saved. The vertical support force is transmitted through a plurality of four-corner frame devices between the lower layer stress main steel cable one and the lower layer stress main steel cable two and between the upper layer stress main steel cable one and the upper layer stress main steel cable two, the four-corner frame device is a single-layer structure, and the force transmission path is clear and easy to analyze. Compared with the space triangular pyramid in the current industry, the installation is simpler, and the engineering cost is saved. The two cross-set wind-resistant connecting ropes with small diameters are connected between the four-corner frames, the wind-resistant device truly realizes flexible connection, the overall photovoltaic support is rigid and flexible, the flexible stress concept of the photovoltaic flexible support is realized, and the overall deformation coordination performance of the photovoltaic flexible support under strong wind conditions can be better adapted. The utility model effectively solves the problem of large-span installation of the photovoltaic support on the flat ground and the rugged terrain of the fishpond, the agriculture and forestry, and the like. Compared with the utility model patent "a double-layer three-way stress main steel cable photovoltaic flexible support system" with the application number "2024227679301", the economic and applicable span of the utility model patent is 30-70m. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further explained in detail in combination with the drawings and specific embodiments:

[0011] Figure 1 It is a plan view of the double-layer four-way stress main steel cable photovoltaic flexible support system of the utility model;

[0012] Figure 2 It is Figure 1 It is a structure front view of the structure in the A-A direction and the photovoltaic module is removed;

[0013] Figure 3 It is Figure 1 It is a structure side view of the structure in the B-B direction and the end-span steel support and the intermediate steel support are removed;

[0014] Figure 4 It is a structure schematic view of the four-corner frame device of the utility model;

[0015] Figure 5 It is a structure schematic view of the intermediate stand and the intermediate span steel support of the utility model;

[0016] Figure 6 It is a three-dimensional structure schematic view of the utility model and the photovoltaic module is removed.

[0017] In the figure: 1 end span steel support, 23 lower layer stress main cable one, 24 lower layer stress main cable two, 3 upper layer stress main cable one, 4 upper layer stress main cable two, 5 four corner frame device, 51 connecting seat, 52 connecting plate, 53-1 outer vertical frame, 53-2 inner vertical frame, 54 horizontal frame, 55 U-shaped clamp one, 56 U-shaped clamp two, 57 U-shaped clamp three, 58 U-shaped clamp four, 59 U-shaped clamp five, 6 photovoltaic module, 7 wind resistance device, 71 wind resistance pile, 72 wind resistance main cable, 73 wind resistance cable one, 74 wind resistance connecting cable, 8 anchor pile, 9 intermediate vertical column, 10 intermediate span steel support, 11 support span. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] The following will be described in combination with the accompanying drawings Figures 1-6 The utility model will be further described:

[0020] A double-layer four-way stress main cable photovoltaic flexible support system, comprising a plurality of groups of parallel photovoltaic flexible supports, the photovoltaic flexible support comprising two end span steel supports 1, a plurality of rows of intermediate span steel supports 10 and a plurality of photovoltaic modules 6, the lower layer stress main cable one 23 and the lower layer stress main cable two 24 and the upper layer stress main cable one 3 and the upper layer stress main cable two 4 are arranged between the two end span steel supports 1, the photovoltaic module 6 is hingedly connected with the upper layer stress main cable one 3 and the upper layer stress main cable two 4, the anchor pile 8 is arranged on the outer side of the end span steel support 1, the two ends of the lower layer stress main cable one 23 and the lower layer stress main cable two 24 and the upper layer stress main cable one 3 and the upper layer stress main cable two 4 are hingedly connected with the anchor pile 8, a plurality of rows of intermediate vertical columns 9 are arranged between the two end span steel supports 1, the top of each row of a plurality of intermediate vertical columns 9 is fixedly provided with an intermediate span steel support 10, the lower layer stress main cable one 23 and the lower layer stress main cable two 24 and the upper layer stress main cable one 3 and the upper layer stress main cable two 4 are arranged through the intermediate span steel support 10 in length, a support span 11 is formed between the end span steel support 1 and the intermediate span steel support 10 and between the adjacent two intermediate span steel supports 10, the lower layer stress main cable one 23 and the lower layer stress main cable two 24 and the upper layer stress main cable one 3 and the upper layer stress main cable two 4 in the same support span 11 are fixedly connected through a plurality of evenly arranged four corner frame devices 5, and the plurality of four corner frame devices 5 arranged in parallel on the plurality of stress main cables are connected through the wind resistance device 7.

[0021] In the embodiment, the end span steel support 1, the anchor pile 8 and the intermediate column 9 are fixedly connected with the ground, a support span 11 is formed between the end span steel support 1 and the intermediate span steel support 10 and between adjacent two intermediate span steel supports 10, and multiple support spans 11 can be arranged between the two end span steel supports 1. In the embodiment, preferably, n rows of intermediate span steel supports 10 are arranged between the two end span steel supports 1, and the lower layer force main cable one 23 and the lower layer force main cable two 24 and the upper layer force main cable one 3 and the upper layer force main cable two 4 in the same support span 11 are fixedly connected through the four four-corner frame devices 5 arranged uniformly.

[0022] The lower layer force main cable one 23 and the lower layer force main cable two 24 and the upper layer force main cable one 3 and the upper layer force main cable two 4 between the two end span steel supports 1 are connected through multiple four-corner frame devices 5. The lower layer force main cable one 23 and the lower layer force main cable two 24 and the upper layer force main cable one 3 and the upper layer force main cable two 4 are all force main cables, and the upper and lower layer cables are arranged in multiple spans and are long, the overall structure is more uniform in stress, more stable in wind resistance, the total tension of the anchoring end of the end span steel support 1 is reduced, the design span can reach 30-70 meters, and the engineering cost is saved. The 65m-span engineering example of the utility model has been in safe operation for more than two years.

[0023] The lower layer force main cable one 23 and the lower layer force main cable two 24 and the upper layer force main cable one 3 and the upper layer force main cable two 4 are connected through multiple four-corner frame devices 5, the four-corner frame device 5 is a single-layer structure, the force transmission path is clear and easy to analyze. Compared with the space triangular pyramid in the current industry, the installation is simpler and the engineering cost is saved.

[0024] The photovoltaic assembly 6 is a reapplication of the prior art in the utility model, which usually includes a solar cell panel and an aluminum frame, and the specific structure is not described again. Preferably, the photovoltaic assembly 6 is connected with the upper layer force main cable one 3 and the upper layer force main cable two 4 through the utility model patent “Assembly mounting pressing block for photovoltaic flexible support and photovoltaic fence” with the application number “2024217079804”, each photovoltaic assembly 6 bears force independently and does not interfere with each other, can adapt to deformation coordination under the condition of maximum displacement of the structure, and avoids the chain damage effect in strong wind damage.

[0025] The plurality of four-corner frame devices 5 arranged in parallel on the plurality of force-bearing main steel cables are connected by wind-resistant devices 7. The wind-resistant devices 7 include two wind-resistant piles 71 arranged on the ground outside the outer sides of the outermost four-corner frame devices 5. The wind-resistant piles 71 are fixedly connected to the upper U-shaped clamps five 59 of the outer stands 53-1 on the outer sides of the outermost four-corner frame devices 5 by wind-resistant cables one 73. A wind-resistant main cable 72 is arranged through and fixedly connected to the U-shaped clamps one 55 of the plurality of four-corner frame devices 5 arranged in parallel. Two wind-resistant connecting cables 74 are arranged in cross between the outer stands 53-1 of the two four-corner frame devices 5 arranged in parallel and close to each other by the U-shaped clamps five 59.

[0026] In the embodiment, the plurality of four-corner frame devices 5 arranged in parallel on the plurality of force-bearing main steel cables are connected by two wind-resistant connecting cables 74 of small diameter arranged in cross. The outer stands 53-1 of the outer sides of the two outermost four-corner frame devices 5 of the plurality of four-corner frame devices 5 arranged in parallel on the plurality of force-bearing main steel cables are connected to the wind-resistant piles 71 by the wind-resistant cables one 73, which pull the two four-corner frame devices 5 outward. The U-shaped clamps one 55 of the plurality of four-corner frame devices 5 arranged in parallel on the plurality of force-bearing main steel cables are connected by the same wind-resistant main cable 72, the two ends of which are connected to the two wind-resistant piles 71, which pull the plurality of four-corner frame devices 5 outward. The above arrangement truly achieves flexible connection, balances rigidity and flexibility of the overall photovoltaic support, realizes the flexible force-bearing concept of the photovoltaic flexible support, and better adapts to the overall deformation coordination performance of the photovoltaic flexible support under strong wind conditions.

[0027] In the description of the present patent, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present patent and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present patent.

[0028] In the description of the present patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "arranging" should be understood broadly, for example, can be fixedly connected, arranged, or can be detachably connected, arranged, or integrally connected, arranged. For those skilled in the art, the specific meanings of the above terms in the present patent can be understood according to the specific circumstances.

Claims

1. A double-layer four-way stressed main cable photovoltaic flexible support system, characterized in that, The utility model provides a photovoltaic flexible support includes multiple groups parallelly arranged photovoltaic flexible support, and the photovoltaic flexible support includes two end cross steel support (1), multiple rows of intermediate cross steel support (10), multiple photovoltaic assemblies (6), and the lower force main cable (23) and the lower force main cable (24) are arranged between two end cross steel support (1), and the upper force main cable (3) and the upper force main cable (4) are arranged between two end cross steel support (1), and the photovoltaic assembly (6) is hinged with the upper force main cable (3) and the upper force main cable (4), and the outer side of end cross steel support (1) is provided with anchor pile (8), and the both ends of lower force main cable (23) and lower force main cable (24), upper force main cable (3) and upper force main cable (4) are hinged with anchor pile (8) respectively, and multiple rows of intermediate cross columns (9) are arranged between two end cross steel support (1), and the top of each multiple intermediate columns (9) is fixed with one intermediate cross steel support (10) in common, and the lower force main cable (23) and the lower force main cable (24), upper force main cable (3) and upper force main cable (4) all pass through the intermediate cross steel support (10) and are longitudinally arranged, and the end cross steel support (1) and the intermediate cross steel support (10) between, between adjacent two intermediate cross steel support (10) form a support span (11), and the lower force main cable (23) and the lower force main cable (24), upper force main cable (3) and upper force main cable (4) in the same support span (11) are fixedly connected through multiple four corner frame devices (5) arranged uniformly, and multiple four corner frame devices (5) are connected through wind resistance device (7) on multiple force main cables.

2. A double-layer four-way force main cable photovoltaic flexible support system according to claim 1, wherein, The four corner frame device (5) includes connecting seat (51), and the top of connecting seat (51) is symmetrically provided with one connecting plate (52), one outer stand (53-1), and the connecting plate (52) is connected with the one end of inner stand (53-2) through bolt, and the other end of two outer stands (53-1) and two inner stands (53-2) is connected with the both ends of horizontal frame (54) through bolt, and the intersection of two inner stands (53-2) is connected through bolt, and the bottom of connecting seat (51) is provided with U-shaped clamp (55) and U-shaped clamp (56) fixedly connected with lower force main cable (23) and lower force main cable (24), and the top of both ends of horizontal frame (54) is provided with U-shaped clamp (57) and U-shaped clamp (58) fixedly connected with upper force main cable (3) and upper force main cable (4) respectively, and the both ends of the side surface of two outer stands (53-1) are provided with U-shaped clamp (59) fixedly connected with wind resistance connecting cable (74).

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