Anti-loose fastener for photovoltaic support

Abstract

The utility model relates to an anti-loose fastener for a photovoltaic support, which comprises a hoop body arranged at the bottom of the photovoltaic support, and is characterized in that the hoop body comprises a left half hoop and a right half hoop, one end of the left half hoop is rotatably connected with one end of the right half hoop through a rotating shaft, and the other end of the left half hoop and the other end of the right half hoop are respectively provided with a wing plate. Blind holes are formed in the back-to-back faces of the two wing plates respectively, threaded through holes are formed in the bottoms of the blind holes, the threaded through holes in the two wing plates are connected through bolts, nuts are connected to the bolts in a threaded mode, the blind holes are used for containing the nuts, and loosening structures are arranged on the wing plates and used for preventing the tightened nuts from loosening. The photovoltaic support is not easy to loosen under the action of long-time vibration load, and the connection part of the photovoltaic support and the PHC pipe pile does not need to be overhauled by a large amount of manpower.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power generation engineering, in particular to an anti-loosening fastener for a photovoltaic bracket. Background Art

[0002] Most of the existing photovoltaic brackets and PHC piles are connected by clamps as fasteners. For example, a clamp disclosed in the Chinese patent with the existing authorization announcement number CN211116966U includes a clamp 1, a clamp 2, a first fastener, and a second fastener. The clamp 1 is characterized in that: the two ends of the clamp 1 are respectively provided with ear plates 1 and 2, the two ends of the clamp 2 are respectively provided with ear plates 3 and 4, the ear plates 1 and 3 are respectively provided with through holes 1 and 3, the ear plates 2 and 4 are respectively provided with through holes Two and through hole four, a positioning seat is provided on one side wall of the ear plate, a positioning groove is provided on the upper surface of the positioning seat, and a positioning block matching the positioning groove is provided on the lower surface of the ear plate three, one end of the positioning block is embedded in the positioning groove, the first fastener passes through through hole one and through hole three in sequence to fix one end of clamp one and clamp two, and the second fastener passes through through hole two and through hole four in sequence to fix the other end of clamp one and clamp two; compared with the existing technology, the utility model can make the connection between the two semicircular clamps more accurate and more practical.

[0003] However, in actual applications, the above-mentioned fasteners still have the following shortcomings: since the above-mentioned clamps 1 and 2 are mainly connected by bolts and nuts, they are prone to loosening under long-term vibration loads, and a large amount of manpower is required to inspect and repair the connection between the photovoltaic bracket and the PHC pipe pile. Utility Model Content

[0004] The purpose of the present utility model is to address the above-mentioned deficiencies and provide a photovoltaic bracket anti-loosening fastener that is not easily loosened under long-term vibration loads and does not require a large amount of manpower to inspect and repair the connection between the photovoltaic bracket and the PHC pipe pile.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A photovoltaic bracket anti-loosening fastener includes a hoop body installed at the bottom of the photovoltaic bracket, characterized in that: the hoop body includes a left half hoop and a right half hoop, one end of the left half hoop and the right half hoop are rotatably connected by a rotating shaft, the other ends of the left half hoop and the right half hoop are respectively provided with wing plates, blind holes are respectively provided on the back-to-back surfaces of the two wing plates, threaded through holes are provided at the bottoms of the blind holes, the threaded through holes on the two wing plates are connected by bolts, nuts are screwed on the bolts, the blind holes are used to accommodate the nuts, and a relaxation structure is provided on the wing plates, and the relaxation structure is used to prevent the nuts from loosening after tightening.

[0007] Furthermore, a connecting hole connected to the blind hole is provided on one side of the wing plate, a corresponding hole is provided on one side of the blind hole opposite to the connecting hole, a locking hole is radially opened on the bolt, and an anti-loosening hole is provided on the nut. When the nut is tightened on the bolt, the connecting hole, anti-loosening hole, locking hole and corresponding hole are coaxially arranged; the relaxation structure includes a locking rod that is inserted into the connecting hole, anti-loosening hole, locking hole and corresponding hole.

[0008] Furthermore, a pulling block is fixed to one end of the locking rod.

[0009] Furthermore, the pulling block and the wing plate are connected via a plurality of telescopic rods, a spring is sleeved on the telescopic rod, and two ends of the spring are respectively connected to the pulling block and the wing plate.

[0010] Furthermore, the inner diameters of the anti-loosening hole, the locking hole and the corresponding hole are all larger than the outer diameter of the locking rod.

[0011] The beneficial effects of the utility model are:

[0012] In actual application, when in use, one end of the left half hoop and the right half hoop is rotatably connected by a rotating shaft, and the other end of the left half hoop and the right half hoop is connected by a threaded through hole through a bolt and a nut to install the photovoltaic bracket on the PHC pipe pile; the tightened bolts and nuts are locked by the loosening structure to prevent the nuts from loosening under the action of long-term vibration load; the utility model is not easy to loosen under the action of long-term vibration load, and there is no need to spend a lot of manpower to inspect and repair the connection between the photovoltaic bracket and the PHC pipe pile. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a top view of the utility model;

[0015] Figure 3 yes Figure 2 Partial cross-sectional view at AA in the middle;

[0016] Figure numerals: left half hoop 1; right half hoop 2; rotating shaft 3; wing plate 4; blind hole 41; connecting hole 42; corresponding hole 43; nut 5; anti-loosening hole 51; bolt 6; locking hole 61; locking rod 71; pulling block 72; telescopic rod 73; spring 74. DETAILED DESCRIPTION

[0017] like Figure 1 、 Figure 2 and Figure 3As shown, a photovoltaic bracket anti-loosening fastener includes a hoop body installed at the bottom of the photovoltaic bracket, characterized in that: the hoop body includes a left half hoop 1 and a right half hoop 2, one end of the left half hoop 1 and the right half hoop 2 are rotatably connected by a rotating shaft 3, and the other ends of the left half hoop 1 and the right half hoop 2 are respectively provided with wing plates 4, and blind holes 41 are respectively provided on the back-to-back surfaces of the two wing plates 4, and the bottoms of the blind holes 41 are provided with threaded through holes, and the threaded through holes on the two wing plates 4 are connected by bolts 6, and nuts 5 are screwed on the bolts 6. The blind holes 41 are used to accommodate the nuts 5, and a relaxation structure is provided on the wing plates 4, and the relaxation structure is used to prevent the nuts 5 from loosening after tightening.

[0018] When in use, one end of the left half hoop 1 and the right half hoop 2 are rotatably connected by the rotating shaft 3, and the other ends of the left half hoop 1 and the right half hoop 2 are connected by the threaded through holes of the bolts 6 and the nuts 5 to install the photovoltaic bracket on the PHC pipe pile; the tightened bolts 6 and nuts 5 are locked by the loosening structure to prevent the nuts 5 from loosening under the action of long-term vibration load; the utility model is not easy to loosen under the action of long-term vibration load, and there is no need to spend a lot of manpower to inspect and repair the connection between the photovoltaic bracket and the PHC pipe pile.

[0019] like Figure 1 、 Figure 2 and Figure 3 As shown, a connecting hole 42 communicating with the blind hole 41 is provided on one side of the wing plate 4, and a corresponding hole 43 is provided on one side of the blind hole 41 opposite to the connecting hole 42. A locking hole 61 is radially opened on the bolt 6, and an anti-loosening hole 51 is provided on the nut 5. When the nut 5 is tightened on the bolt 6, the connecting hole 42, the anti-loosening hole 51, the locking hole 61 and the corresponding hole 43 are coaxially arranged; the relaxation structure includes a locking rod 71 that is plugged into the connecting hole 42, the anti-loosening hole 51, the locking hole 61 and the corresponding hole 43; in this embodiment, when the nut 5 is tightened on the bolt 6, the connecting hole 42, the anti-loosening hole 51, the locking hole 61 and the corresponding hole 43 are plugged into the locking rod 71 to prevent the nut 5 from loosening after tightening.

[0020] like Figure 1 、 Figure 2 and Figure 3 As shown, a pulling block 72 is fixed to one end of the locking rod 71 . In this embodiment, by fixing the pulling block 72 to one end of the locking rod 71 , the insertion and removal of the locking rod 71 are made more convenient.

[0021] like Figure 1 、 Figure 2 and Figure 3As shown, the pulling block 72 and the wing plate 4 are connected by multiple telescopic rods 73, and a spring 74 is sleeved on the telescopic rod 73. The two ends of the spring 74 are respectively connected to the pulling block 72 and the wing plate 4; in this embodiment, when the spring 74 is in a stress-free state, the locking rod 71 is inserted into the connecting hole 42 and the corresponding hole 43; when the bolt 6 and the nut 5 are screwed, the locking rod 71 is pulled out from the corresponding hole 43 and retracted into the connecting hole 42, the spring 74 is compressed, and after the nut 5 is tightened, the pulling block 72 is loosened, and the locking rod 71 is driven by the restoring force of the spring 74 to insert into the anti-loosening hole 51, the locking hole 61 and the corresponding hole 43 to prevent the tightened nut 5 from loosening.

[0022] like Figure 1 、 Figure 2 and Figure 3 As shown, the inner diameters of the anti-loosening hole 51, the locking hole 61 and the corresponding hole 43 are all larger than the outer diameter of the locking rod 71; in this embodiment, when the inner diameters of the anti-loosening hole 51, the locking hole 61 and the corresponding hole 43 are all larger than the outer diameter of the locking rod 71, the locking rod 71 is easier to insert into the anti-loosening hole 51, the locking hole 61 and the corresponding hole 43.

[0023] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them with similar methods, without departing from the scope defined by the spirit of the present invention.

Claims

1. A photovoltaic support anti-loosening fastener, comprising a hoop mounted at the bottom of the photovoltaic support, characterized in that: The hoop body comprises a left half hoop (1) and a right half hoop (2), one end of the left half hoop (1) and the right half hoop (2) are rotatably connected via a rotating shaft (3), and the other ends of the left half hoop (1) and the right half hoop (2) are respectively provided with wing plates (4), and blind holes (41) are respectively provided on the back-to-back surfaces of the two wing plates (4), and threaded through holes are provided at the bottoms of the blind holes (41), and the threaded through holes on the two wing plates (4) are connected via bolts (6), and nuts (5) are screwed on the bolts (6), and the blind holes (41) are used to accommodate the nuts (5), and a relaxation structure is provided on the wing plates (4), and the relaxation structure is used to prevent the nuts (5) from loosening after being tightened.

2. A photovoltaic bracket anti-loosening fastener according to claim 1, characterized in that: A connecting hole (42) communicating with the blind hole (41) is provided on one side of the wing plate (4); a corresponding hole (43) is provided on one side of the blind hole (41) facing the connecting hole (42); a locking hole (61) is radially opened on the bolt (6); and an anti-loosening hole (51) is provided on the nut (5); when the nut (5) is tightened on the bolt (6), the connecting hole (42), the anti-loosening hole (51), the locking hole (61) and the corresponding hole (43) are coaxially arranged; and the loosening structure includes a locking rod (71) plugging the connecting hole (42), the anti-loosening hole (51), the locking hole (61) and the corresponding hole (43).

3. The photovoltaic bracket anti-loosening fastener according to claim 2, characterized in that: A pulling block (72) is fixed to one end of the locking rod (71).

4. The photovoltaic bracket anti-loosening fastener according to claim 3, characterized in that: The pulling block (72) and the wing plate (4) are connected via a plurality of telescopic rods (73). A spring (74) is sleeved on the telescopic rod (73). The two ends of the spring (74) are respectively connected to the pulling block (72) and the wing plate (4).

5. The photovoltaic bracket anti-loosening fastener according to claim 2, characterized in that: The inner diameters of the anti-loosening hole (51), the locking hole (61) and the corresponding hole (43) are all larger than the outer diameter of the locking rod (71).

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