Self-locking stable photovoltaic flexible support

Abstract

The utility model relates to the technical field of photovoltaic supports, and particularly discloses a self-locking stable photovoltaic flexible support, which comprises a middle upright post, a mounting rod and a steel twisted rope, the mounting rod is connected to the top of the middle stand column, a self-locking piece used for fixing the steel strand rope is connected to the mounting rod, and conical locking sleeves connected to the steel strand rope are arranged on the two sides of the self-locking piece; the anchoring rod exerts initial pre-tightening force on the steel strand rope, when the steel strand rope is stretched by external force, the conical locking sleeve compresses the anchoring rod due to radial contraction of the steel strand rope, friction force is enhanced along with increase of pulling force, and dynamic self-locking is formed; when the support is subjected to wind vibration or earthquake impact, the bearing seat generates small displacement, the damper consumes vibration energy through deformation, the resonance risk of the structure is reduced, the fatigue life of the structure is prolonged, the limiting frame restrains the shaking range of the bearing seat within a safety threshold value, and the situation that the joint of the anchoring rod and the mounting rod loses efficacy due to excessive deformation is avoided.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic support technology, specifically a self-locking and stable flexible photovoltaic support. Background Technology

[0002] Traditional photovoltaic (PV) support systems are mainly divided into two categories: rigid systems and flexible systems. Rigid systems rely on fixed columns and beams, making them difficult to adapt to changes in slope, soft soil foundations, or large-span roofs. Furthermore, rigid connection points are prone to stress concentration, leading to deformation or loosening of bolts. Existing flexible systems mostly use steel cables or tensile membrane structures, relying on external tensioners to adjust tension. However, after long-term use, these are prone to loosening due to material creep or environmental vibrations, requiring frequent manual re-tightening. Moreover, the connection points between steel cables and support rods are complex, requiring point-by-point tension adjustment, and lack a quick locking mechanism.

[0003] A photovoltaic flexible support disclosed in patent publication number CN218733988U includes a fixed base, bolts on the fixed base, a support rod connected to the bolts, and a pull ring on the support rod. A pull wire is connected to the pull ring and connected to a pull wire seat. A slide rail is mounted on the support rod, and a slider is mounted on the slide rail. A steel cable is connected to the slider, and a solar panel is mounted on the steel cable. The slider consists of a buckle, a roller on the buckle, a fastener A on the top of the buckle, a handle on the left side of the buckle, an adjusting rod connected to the right side of the buckle, fixed joints at both ends of the adjusting rod, and a fastener B in the middle of the adjusting rod. The support rod is fixed to the bolts on the fixed base with nuts. After fixing, the slide rail is fixed to the support rod, and then the steel cable is connected to the fixed joint. The solar panel is then fixed to the steel cable. After adjusting the adjusting rod to the required angle, the fastener B is tightened. The slide rail is then slid to the required distance, and the fastener A is tightened. The next row of solar panels is then installed using the same method.

[0004] In the aforementioned flexible support system, solar panels are fixed with steel cables at their ends. As a crucial supporting component of the photovoltaic flexible support system, the steel cables' swaying is transmitted to the entire support structure through the fixed points. Because the steel cables are rigidly fixed, frequent swaying under wind forces causes repeated bending stress at the fixed points, leading to fatigue failure over time and reducing the overall strength of the flexible photovoltaic support. To address these issues, a self-locking and stable photovoltaic flexible support system is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a self-locking and stable photovoltaic flexible support to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A self-locking and stable flexible photovoltaic support includes a central column, a mounting rod, and steel strands;

[0008] The mounting rod is connected to the top of the central column, and a self-locking component for fixing the steel strand is connected to the mounting rod. The self-locking component has conical locking sleeves on both sides connected to the steel strand.

[0009] The self-locking component includes a receiving seat and an anchor rod. The two ends of the anchor rod pass through the receiving seat. The bottom of the receiving seat is provided with a fixing nut that is threadedly connected to the anchor rod. The bottom of the receiving seat is connected to an installation rod through two sets of dampers. A limiting frame for limiting the sway range of the receiving seat is connected to the installation rod.

[0010] In one alternative: the conical locking sleeve includes an upper sleeve body and a lower sleeve body, the upper sleeve body and the lower sleeve body are connected by at least two sets of locking bolts, and the upper sleeve body and the lower sleeve body are provided with rope grooves on the adjacent sides.

[0011] In one alternative: the top of the receiving seat is fixedly connected to the support portion, and the receiving seat is provided with a through hole for the end of the anchor rod to pass through, the through hole penetrating the support portion.

[0012] In one alternative: the bottom ends of the anchor rod are positioned between two sets of dampers.

[0013] In one alternative: the bottom sides of the limiting frame are connected to mounting rods by high-strength bolts, the middle of the limiting frame is connected to a limiting rod, the receiving seat is provided with a movable hole for the limiting rod to pass through, and the inner wall of the movable hole is connected to a buffer pad.

[0014] In one alternative: each set of mounting rods is provided with two sets of self-locking elements.

[0015] In one alternative: adjacent sets of the central columns are connected by reinforcing steel strands.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] In this invention, the anchor rod applies an initial preload to the steel strand. When the steel strand is stretched by an external force, the conical locking sleeve presses the anchor rod tightly due to the radial contraction of the steel strand. The friction increases with the increase of the tension, forming a dynamic self-locking mechanism. When the support is subjected to wind vibration or earthquake impact, the support seat produces a small displacement. The damper consumes vibration energy through deformation, reducing the risk of structural resonance and extending the fatigue life of the structure. The limiting frame constrains the sway range of the support seat within a safe threshold, preventing the connection between the anchor rod and the installation rod from failing due to excessive deformation. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the steel strand installation in this utility model.

[0020] Figure 3 This is a schematic diagram of the self-locking component in this utility model.

[0021] Figure 4 This is a partial structural schematic diagram of the present invention.

[0022] In the diagram: 1. Central column; 2. Mounting rod; 3. Steel strand; 4. Upper sleeve; 5. Lower sleeve; 6. Locking bolt; 7. Support seat; 8. Anchor rod; 9. Fixing nut; 10. Damper; 11. Limiting frame; 12. Limiting rod; 13. Movable hole; 14. Support part; 15. High-strength bolt. Detailed Implementation

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-4 In this embodiment, a self-locking and stable photovoltaic flexible support includes a central column 1, a mounting rod 2, and a steel strand 3;

[0026] The mounting rod 2 is connected to the top of the central column 1, and a self-locking component for fixing the steel strand 3 is connected to the mounting rod 2. The self-locking component has conical locking sleeves connected to the steel strand 3 on both sides.

[0027] The self-locking component includes a receiving seat 7 and an anchor rod 8. Both ends of the anchor rod 8 pass through the receiving seat 7. The bottom of the receiving seat 7 is provided with a fixing nut 9 that is threadedly connected to the anchor rod 8. The bottom of the receiving seat 7 is connected to the mounting rod 2 through two sets of dampers 10. The mounting rod 2 is connected with a limiting frame 11 for limiting the sway range of the receiving seat 7.

[0028] Using the above scheme, the length of the anchor rod 8 is adjusted by rotating the fixing nut 9, and an initial preload is applied to the steel strand 3. When the steel strand 3 is stretched by an external force (such as wind load), the conical locking sleeve presses the anchor rod 8 due to the radial contraction of the steel strand. The friction increases with the increase of the tension, forming a dynamic self-locking. When the support is subjected to wind vibration or earthquake impact, the support seat 7 produces a small displacement. The damper 10 consumes vibration energy through deformation, reduces the risk of structural resonance, and extends the fatigue life of the structure. The limiting frame 11 constrains the sway range of the support seat 7 within the safety threshold, preventing the connection between the anchor rod 8 and the installation rod 2 from failing due to excessive deformation. The flexible layout of the steel strand 3 allows the support to bend freely with the undulations of the ground or roof, reducing the dependence on the flatness of the foundation or roof.

[0029] Please see Figure 3 The conical locking sleeve includes an upper sleeve body 4 and a lower sleeve body 5. The upper sleeve body 4 and the lower sleeve body 5 are connected by at least two sets of locking bolts 6. The upper sleeve body 4 and the lower sleeve body 5 are provided with rope grooves on the side that is close to each other.

[0030] Specifically, the conical locking sleeve is placed on both sides of the anchor rod 8, but not against the anchor rod 8. When pulled by force, it can press the anchor rod 8. The conical locking sleeve is fixed on the steel strand 3. After the upper sleeve 4 and the lower sleeve 5 are connected, they are locked with locking bolts 6. The corresponding nuts are connected to the locking bolts 6.

[0031] Please see Figure 4 The top of the receiving seat 7 is fixedly connected to the support part 14, and the receiving seat 7 is provided with a through hole for the end of the anchor rod 8 to pass through, the through hole penetrating the support part 14;

[0032] The anchor rod 8 is manually adjusted to achieve initial fixation. The support part 14 cooperates with the anchor rod 8, and the anchor rod 8 is pressed down to fix the steel strand 3.

[0033] Furthermore, the bottom ends of the anchor rod 8 are positioned between two sets of dampers 10, such as... Figure 4 As shown; before fixing the steel strand 3, the fixing nut 9 at the bottom of the anchor rod 8 can be connected first, and then the steel strand 3 can be further tightened after passing through the anchor rod 8.

[0034] Please see Figure 4 The bottom sides of the limiting frame 11 are connected to the mounting rods 2 by high-strength bolts 15. The limiting rod 12 is connected to the middle of the limiting frame 11. The receiving seat 7 is provided with a movable hole 13 for the limiting rod 12 to pass through, and a buffer pad is connected to the inner wall of the movable hole 13. Figure 4As shown, the limiting rod 12 is placed in the middle of the limiting frame 11. During assembly, it can pass through the movable hole 13 and be welded to the limiting frame 11. After the bottom of the limiting frame 11 is connected to the mounting rod 2, both sides are stably fixed to the mounting rod 2 by high-strength bolts 15.

[0035] Furthermore, each set of mounting rods 2 is equipped with two sets of self-locking components. In actual use, the tilt angle of the mounting rods 2 is set according to the specific light angle at the photovoltaic installation site.

[0036] Furthermore, the two adjacent sets of central columns 1 are connected by reinforcing steel strands.

[0037] The working principle of this utility model is as follows: In the photovoltaic installation area, the central column 1 is installed at different installation positions. The end columns can be existing ones. When fixing the end of the steel strand 3, the existing fixing device can be combined with the self-locking part in this application. When fixing the end of the steel strand 3, it can be knotted to play a restrictive role.

[0038] The length of the anchor rod 8 is adjusted by rotating the fixing nut 9, and an initial preload is applied to the steel strand 3. When the steel strand 3 is stretched by an external force (such as wind load), the conical locking sleeve presses the anchor rod 8 tightly due to the radial contraction of the steel strand. The friction increases with the increase of the tension, forming a dynamic self-locking. When the support is subjected to wind vibration or earthquake impact, the support seat 7 produces a small displacement. The damper 10 consumes vibration energy through deformation, reduces the risk of structural resonance, and extends the fatigue life of the structure. The limit frame 11 constrains the sway range of the support seat 7 within the safety threshold, preventing the connection between the anchor rod 8 and the installation rod 2 from failing due to excessive deformation. The flexible layout of the steel strand 3 allows the support to bend freely with the undulations of the ground, reducing the dependence on the flatness of the foundation or roof.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A self-locking stable photovoltaic flexible support, comprising a center column (1), a mounting rod (2) and a steel cable (3); characterized in that The mounting rod (2) is connected at the top of the center column (1), and a self-locking piece for fixing the steel cable (3) is connected on the mounting rod (2), and a tapered locking sleeve connected on the steel cable (3) is arranged on both sides of the self-locking piece; Wherein, the self-locking piece comprises a receiving seat (7) and an anchoring rod (8), the anchoring rod (8) passes through the receiving seat (7) at both ends, the bottom of the receiving seat (7) is provided with a fixing nut (9) threadedly connected with the anchoring rod (8), and the bottom of the receiving seat (7) is connected with the mounting rod (2) through two groups of dampers (10), and the mounting rod (2) is connected with a limiting frame (11) for limiting the shaking range of the receiving seat (7).

2. A self-locking stabilized photovoltaic flexible support according to claim 1, characterized in that: The tapered locking sleeve comprises an upper sleeve body (4) and a lower sleeve body (5), the upper sleeve body (4) and the lower sleeve body (5) are connected through at least two groups of locking bolts (6), and the side close to each other of the upper sleeve body (4) and the lower sleeve body (5) is provided with a rope groove.

3. The self-locking stabilized photovoltaic flexible support according to claim 1, characterized in that: The top of the receiving seat (7) is fixedly connected with a supporting part (14), and the receiving seat (7) is provided with a through hole for the end of the anchoring rod (8) to pass through, and the through hole penetrates through the supporting part (14).

4. A self-locking stabilized photovoltaic flexible support according to claim 3, characterized in that: The bottom of the anchoring rod (8) is arranged between the two groups of dampers (10).

5. The self-locking stabilized photovoltaic flexible support according to claim 1, characterized in that: The bottom of the limiting frame (11) is connected with the mounting rod (2) through high-strength bolts (15), the middle of the limiting frame (11) is connected with a limiting rod (12), the receiving seat (7) is provided with a movable hole (13) for the limiting rod (12) to pass through, and the inner wall of the movable hole (13) is connected with a buffer pad.

6. The self-locking stabilized photovoltaic flexible support according to claim 1, characterized in that: Each group of mounting rods (2) is provided with two groups of self-locking pieces.

7. The self-locking stabilized photovoltaic flexible support according to claim 1, characterized in that: Wherein, the adjacent two groups of center columns (1) are connected through reinforcing steel cables.

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