Rotating device for adjustable fixing support and photovoltaic support

Abstract

The utility model provides a rotating device for an adjustable fixing support and a photovoltaic support. The rotating device for the adjustable fixing support comprises a bearing arc, an arc support and a bolt. The bearing arc comprises a hoop part and a web plate which are connected with each other, the hoop part is used for fixedly connecting the main beam, and the web plate is provided with a first positioning hole. The arc support comprises an arc supporting part and a connecting seat which are connected with each other, the connecting seat is used for being fixedly connected with the stand column, the arc supporting part is used for being rotatably connected with the web plate, a plurality of first positioning holes formed around the rotating axis of the web plate are formed in the arc supporting part, and the first positioning holes and / or the second positioning holes are distributed along the rotating axis of the web plate; when the web is rotated to be aligned with the first positioning hole and the second positioning hole, the arc supporting part and the web are located at a definite relative angle position, relative rotation of the web relative to the arc supporting part can be locked through the plug pin, then the main beam is fixed to the current angle position, and accurate adjustment of the angle of the main beam is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic brackets, and particularly relates to a rotating device for an adjustable fixed bracket and a photovoltaic bracket. Background Technique

[0002] Photovoltaic power generation is a green energy technology that converts solar radiation into direct current. With the improvement of environmental awareness and the transformation of the energy structure, photovoltaic power generation has been more and more widely used globally and has become an important renewable energy. With the continuous development of photovoltaic technology, as the infrastructure for supporting photovoltaic panels, the performance of photovoltaic brackets has an important impact on the overall efficiency of photovoltaic systems. Especially in adjustable photovoltaic bracket systems, designing a simple and efficient rotating device can effectively reduce costs and improve efficiency, which is of great significance.

[0003] Currently, for adjustable fixed brackets, their rotation is achieved by welding a support plate on the column, welding a bushing with a corresponding length on the support plate, and installing a U-shaped connecting piece on the inclined beam. A M20 pin passes through the bushing on the column and the inclined beam connecting piece. The inclined beam rotates around the M20 pin to achieve a rotating effect. However, such a structure has the following problems: 1. The support plate welded on the column is prone to bending if the lateral force is too large. 2. The U-shaped connecting piece on the inclined beam will change with the change of the purlin height. Otherwise, it will touch the photovoltaic panel, and different molds will increase the processing cost. 3. The angle adjustment is inaccurate. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a rotating device for an adjustable fixed bracket, which can improve at least one of the above problems.

[0005] The purpose of the utility model is also to provide a photovoltaic bracket, which can improve at least one of the above problems.

[0006] The embodiments of the utility model can be implemented in the following ways:

[0007] A rotating device for an adjustable fixed bracket, the rotating device for the adjustable fixed bracket is used for rotatably connecting a column and a main beam; the rotating device for the adjustable fixed bracket includes:

[0008] A bearing arc, the bearing arc includes a hoop part and a web connected to each other, the hoop part is used for fixedly connecting the main beam, and the web has a first positioning hole;

[0009] Arc support, the arc support includes an arc support portion and a connection seat connected to each other, the connection seat is used for fixedly connecting with the column, the arc support portion is used for rotatably connecting with the web, and a second positioning hole is arranged on the arc support portion and is arranged around the rotation axis of the web; wherein, the first positioning hole and / or the second positioning hole are multiple and are distributed along the rotation axis of the web; and

[0010] A pin, when the pin is inserted into the first positioning hole and the second positioning hole, it locks the relative rotation of the web and the arc support portion, so as to fix the relative position of the column and the main beam.

[0011] Optionally, both the first positioning hole and the second positioning hole are multiple and are distributed along the rotation axis of the web, and the central angle corresponding between adjacent first positioning holes is different from the central angle corresponding between adjacent second positioning holes.

[0012] Optionally, the web includes a plate body and a convex edge. The upper end of the plate body has a notch for installing the hoop portion. The lower end of the plate body is arc-shaped, and the convex edge extends along the arc and protrudes relative to the side surface of the plate body;

[0013] The first positioning hole is arranged on the plate body, and the convex edge is rotatably connected with the arc support portion.

[0014] Optionally, the arc support portion includes a first arc-shaped support plate, a second arc-shaped support plate, a first movable clamping portion and a second movable clamping portion. The first arc-shaped support plate and the second arc-shaped support plate are arranged at intervals on both sides of the web, and the first movable clamping portion and the second movable clamping portion are installed on the first arc-shaped support plate and the second arc-shaped support plate at intervals up and down. The first movable clamping portion and the second movable clamping portion respectively cooperate with the upper and lower sides of the convex edge, so that the web and the arc support portion are rotatably matched.

[0015] Optionally, the first movable clamping portion includes a connecting shaft and a pulley. The pulley is installed on the connecting shaft. The two ends of the connecting shaft are respectively connected with the first arc-shaped support plate and the second arc-shaped support plate, and the pulley is in rolling cooperation with the convex edge.

[0016] Optionally, the second movable clamping portion includes a first pulley structure and a second pulley structure. The first pulley structure is installed on the first arc-shaped support plate, the second pulley structure is installed on the second arc-shaped support plate, and the first pulley structure and the second pulley structure are arranged at intervals to form a space for the plate body to move between the first pulley structure and the second pulley structure.

[0017] Optionally, the first active clamping part and the second active clamping part of the lower spacing setting form a set of clamping pieces, and the arc support part includes two sets of clamping pieces; the second positioning hole is opened in the part of the first arc support plate and / or the second arc support plate located between the two sets of clamping pieces.

[0018] Optionally, the hoop part is in a shape of "ji", so as to form a square groove with an upper end opening inside the hoop part, and the square groove is used for installing the main beam and enabling the main beam to rotate synchronously with the hoop part.

[0019] Optionally, a first limiting part and a second limiting part are further arranged on the web, and the first limiting part and the second limiting part are respectively located on both sides of the first positioning hole along the rotation direction of the web; the first limiting part and the second limiting part are respectively used for stopping the arc support seat to limit the rotation range of the bearing arc relative to the arc support seat.

[0020] A photovoltaic bracket, the photovoltaic bracket includes a column, a main beam and the above-mentioned rotating device for an adjustable fixing bracket, and the column supports the main beam through the rotating device for an adjustable fixing bracket.

[0021] The beneficial effects of the rotating device for an adjustable fixing bracket and the photovoltaic bracket provided by the embodiments of the present invention include:

[0022] The embodiments of the present invention provide a rotating device for an adjustable fixing bracket, which is used for rotatably connecting a column and a main beam. The rotating device for an adjustable fixing bracket includes a bearing arc, an arc support seat and a pin. The bearing arc includes a hoop part and a web which are connected to each other, the hoop part is used for fixedly connecting the main beam, and the web has a first positioning hole. The arc support seat includes an arc support part and a connecting seat which are connected to each other, the connecting seat is used for fixedly connecting with the column, the arc support part is used for rotatably connecting with the web, and a second positioning hole arranged around the rotation axis of the web is arranged on the arc support part. The first positioning hole and / or the second positioning hole are multiple and distributed along the rotation axis of the web. When the web is rotated until the first positioning hole and the second positioning hole are aligned, the arc support part and the web are in a definite relative angular position. If this position is the position to which the main beam needs to be adjusted, the pin can be inserted into the first positioning hole and the second positioning hole at the same time to lock the relative rotation of the web relative to the arc support part, and then fix the main beam at the current angular position, so as to realize the precise adjustment of the angle of the main beam.

[0023] The embodiments of the present invention further provide a photovoltaic bracket, which includes the above-mentioned rotating device for an adjustable fixing bracket, and thus also has the beneficial effect of being able to precisely adjust the angle of the main beam. Description of the Drawings

[0024] After reading the detailed description of the embodiments of the present disclosure in conjunction with the following drawings, the above features and advantages of the present utility model can be better understood. In the drawings, the components are not necessarily drawn to scale, and components having similar relevant characteristics or features may have the same or similar reference numerals.

[0025] Figure 1 The partial schematic structural view of a photovoltaic bracket provided according to one aspect of the present utility model is shown;

[0026] Figure 2 The schematic structural view when the rotating device for an adjustable fixing bracket provided according to one aspect of the present utility model is in the first angular position is shown;

[0027] Figure 3 The schematic structural view when the rotating device for an adjustable fixing bracket provided according to one aspect of the present utility model has the second angular position is shown;

[0028] Figure 4 The schematic structural view of the bearing arc in the rotating device provided according to one aspect of the present utility model is shown;

[0029] Figure 5 The structure of the arc support part in the rotating device provided according to one aspect of the present utility model is shown.

[0030] Reference numerals:

[0031] 10 - Photovoltaic bracket; 100 - Rotating device; 110 - Bearing arc; 111 - Web; 112 - Plate body; 113 - Flange; 114 - Hoop part; 115 - Square groove; 116 - First positioning hole; 117 - First limiting hole; 118 - Second limiting hole; 120 - Arc support; 121 - Arc support part; 122 - First arc support plate; 123 - Second arc support plate; 124 - First movable clamping part; 125 - Second movable clamping part; 126 - First pulley structure; 127 - Second pulley structure; 128 - Second positioning hole; 129 - Connecting seat; 131 - Connecting plate; 132 - First connecting ear; 133 - Second connecting ear; 134 - First group of clamping members; 135 - Second group of clamping members; 140 - Plug pin; 150 - Pressure plate;

[0032] 21 - Column. Detailed implementation manners

[0033] The present utility model will be described in detail below in conjunction with the drawings and specific embodiments. Note that the aspects described below in conjunction with the drawings and specific embodiments are merely exemplary and should not be construed as imposing any limitation on the protection scope of the present utility model.

[0034] In the description of the present utility model, it should be noted that if terms such as "upper", "lower", "inner", "outer", "vertical", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use, rather than indicating or implying that the device or component referred to must have a specific orientation or be constructed and operated in a specific orientation, thus it should not be construed as a limitation to the present utility model.

[0035] Meanwhile, it should be noted that if terms such as "first", "second", etc. are only used for differential description and cannot be construed as indicating or implying relative importance.

[0036] In the description of the present utility model, it should also be noted that unless otherwise clearly specified or limited, the terms "installation", "connection", "coupling" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or the communication inside two components, etc. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] Figure 1 It is a partial structural schematic diagram of the photovoltaic support 10 provided for this embodiment. Figure 2 It is a structural schematic diagram when the rotating device 100 for the adjustable fixed support provided for this embodiment is in the first angular position. Figure 3 It is a structural schematic diagram when the rotating device 100 for the adjustable fixed support provided for this embodiment has the second angular position. Please refer to Figures 1 - 3 In this embodiment, a rotating device 100 for an adjustable fixed support is provided, hereinafter simply referred to as the rotating device 100, and at the same time, a photovoltaic support 10 is also provided.

[0038] The photovoltaic support 10 includes the rotating device 100, and also includes a column 21 and a main beam. The arc support 120 of the rotating device 100 is fixedly installed at the upper end of the column 21, and the bearing arc 110 of the rotating device 100 is fixedly connected to the main beam. In this way, when the bearing arc 110 rotates relative to the arc support 120, the main beam rotates relative to the column 21, thereby adjusting the angle of the main beam. The main beam is used to install photovoltaic modules. In this way, when the main beam rotates, it can drive the photovoltaic modules to rotate, thereby realizing the inclination angle adjustment of the photovoltaic modules.

[0039] The rotating device 100 includes a bearing arc 110, an arc support 120, and a pin 140. The bearing arc 110 includes a hoop portion 114 and a web 111 that are connected to each other. The hoop portion 114 is used for fixedly connecting to the main beam, and the web 111 has a first positioning hole 116. The arc support 120 includes an arc support portion 121 and a connection seat 129 that are connected to each other. The connection seat 129 is used for fixedly connecting to the column 21, and the arc support portion 121 is used for rotatably connecting to the web 111. A second positioning hole 128 is provided on the arc support portion 121 and is arranged around the rotation axis of the web 111. The first positioning hole 116 and / or the second positioning hole 128 are multiple and distributed along the rotation axis of the web 111. When the web 111 is rotated until the first positioning hole 116 and the second positioning hole 128 are aligned, the arc support portion 121 and the web 111 are in a definite relative angular position. If this position is the position to which the main beam needs to be adjusted, the pin 140 can be inserted into the first positioning hole 116 and the second positioning hole 128 simultaneously to lock the relative rotation of the web 111 relative to the arc support portion 121, thereby fixing the main beam at the current angular position and achieving precise adjustment of the angle of the main beam.

[0040] The structure of the rotating device 100 provided in this embodiment will be further described below:

[0041] Figure 4 It is a schematic structural diagram of the bearing arc 110 in the rotating device 100 provided in this embodiment. Please refer to Figures 1 - 4 , in this embodiment, the web 111 includes a plate body 112 and a convex edge 113. The upper end of the plate body 112 has a notch for installing the hoop portion 114, and the lower end of the plate body 112 is arc-shaped. The axis of this arc is the rotation axis of the web 111. The convex edge 113 extends along the arc and protrudes relative to the side surface of the plate body 112. The first positioning hole 116 is provided on the plate body 112, and the convex edge 113 is rotatably connected to the arc support portion 121, thereby realizing the rotational connection between the arc support portion 121 and the bearing arc 110.

[0042] Specifically, in this embodiment, the hoop portion 114 is in a U-shape. Correspondingly, a square groove 115 with an upper opening is formed inside the hoop portion 114. This square groove 115 is used for installing the main beam with a square cross-section. In this way, through the cooperation of the square groove 115 and the main beam, the rotational movement of the main beam relative to the hoop portion 114 can be effectively restricted, so that the main beam rotates synchronously with the hoop portion 114 when the hoop portion 114 rotates. Since the hoop portion 114 is in a U-shape, correspondingly, the notch on the plate body 112 is square and adapted to the outer shape of the hoop portion 114. Optionally, the hoop portion 114 is fixedly welded to the web 111. It can be understood that in some other embodiments, the hoop portion 114 can also adopt a shape adapted to the cross-section of other main beams. Similarly, the shape of the notch on the plate body 112 can also be adjusted accordingly.

[0043] Since the square groove 115 has an open upper end structure, it is convenient to load the main beam into the square groove 115 from the upper side through the open upper end of the square groove 115. Further, in order to ensure that the main beam is limited within the square groove 115, the rotating device 100 may further include a pressing plate 150 installed on the hoop portion 114. The pressing plate 150 is fixedly connected to the hoop portion 114 and closes the upper side opening of the square groove 115.

[0044] Further, a part of the convex edge 113 is located on one side of the axial direction of the plate body 112, and another part of the convex edge 113 is located on the other side of the axial direction of the plate body 112. In this embodiment, the web 111 is composed of a plate-shaped plate body 112 and a semi-circular convex plate welded together.

[0045] Figure 5 This is the structure of the arc support portion 121 in the rotating device 100 provided in this embodiment. Please refer to Figures 1 - 5 In this embodiment, the arc support portion 121 includes a first arc support plate 122, a second arc support plate 123, a first movable clamping portion 124, and a second movable clamping portion 125. The first arc support plate 122 and the second arc support portion 121 are fixedly spaced on the connecting seat 129. The first arc support plate 122 and the second arc support plate 123 are respectively located on both sides of the web 111. The first movable clamping portion 124 and the second movable clamping portion 125 are installed at intervals above and below on the first arc support plate 122 and the second arc support plate 123. The first movable clamping portion 124 and the second movable clamping portion 125 cooperate with the upper and lower sides of the convex edge 113 respectively. On the one hand, the convex edge 113 can be limited between the first movable clamping portion 124 and the second movable clamping portion 125, and on the other hand, the convex edge 113 can move between the first movable clamping portion 124 and the second movable clamping portion 125, so that the web 111 and the arc support portion 121 are rotatably matched.

[0046] Optionally, the first movable clamping portion 124 includes a connecting shaft and a pulley. The pulley is installed on the connecting shaft. The two ends of the connecting shaft are respectively connected to the first arc support plate 122 and the second arc support plate 123. The pulley is located between the first arc support plate 122 and the second arc support plate 123, and the pulley is in rolling cooperation with the convex edge 113. The convex edge 113 is supported by rolling through the pulley, ensuring that the convex edge 113 can rotate smoothly relative to the arc support portion 121.

[0047] Optionally, the second movable clamping portion 125 includes a first pulley structure 126 and a second pulley structure 127. The first pulley structure 126 is mounted on the first arc support plate 122, and the second pulley structure 127 is mounted on the second arc support plate 123. The first pulley structure 126 and the second pulley structure 127 are spaced apart to form a space for the plate body 112 to move between the first pulley structure 126 and the second pulley structure 127.

[0048] Specifically, the first pulley structure 126 is located above the portion of the convex edge 113 on one side of the plate body 112 to limit and rotationally support this portion of the convex edge 113 through the cooperation of the first pulley structure 126 and the pulley. The second pulley structure 127 is located above the portion of the convex edge 113 on the other side of the plate body 112 to limit and rotationally support this portion of the convex edge 113 through the cooperation of the second pulley structure 127 and the pulley.

[0049] Further, the first movable clamping portion 124 and the second movable clamping portion 125 that are spaced apart vertically form a set of clamping members. The arc support portion 121 includes two sets of clamping members, namely a first set of clamping members 134 and a second set of clamping members 135. The first set of clamping members 134 and the second set of clamping members 135 are spaced apart along the rotation direction of the web 111 on the first arc support plate 122 and the support plate. In this embodiment, the second positioning holes 128 are opened on the first arc support plate 122 and the second arc support plate 123, and along the rotation direction of the web 111, the second positioning holes 128 are located between the first set of clamping members 134 and the second set of clamping members 135.

[0050] It should be noted that the setting of the second positioning holes 128 is not limited here. It can be understood that in some other embodiments, the second positioning holes 128 can also be provided only on the first arc support plate 122 or the second arc support plate 123.

[0051] In this embodiment, both the first positioning holes 116 and the second positioning holes 128 are multiple along the rotation axis of the web 111 respectively, and the central angles corresponding between adjacent first positioning holes 116 and the central angles corresponding between adjacent second positioning holes 128 are different. In this way, when the first positioning holes 116 are aligned with different second positioning holes 128, the main beam is at different angles. By setting the central angles corresponding between adjacent first positioning holes 116 and the central angles corresponding between adjacent second positioning holes 128 to be different, more positions can be accurately positioned through the first positioning holes 116 and the second positioning holes 128.

[0052] Specifically, as Figures 1 - 5 shown, in this embodiment, the number of the second positioning holes 128 is three. As in Figure 2At the first angular position shown, a certain first positioning hole 116 is aligned with the leftmost second positioning hole 128. As in Figure 3 the second angular position described, a certain first positioning hole 116 is aligned with the rightmost second positioning hole 128. Through the rotating device 100 provided in this embodiment, adjustment can be achieved in the range of 0° to 60° in 4° increments per gear.

[0053] It should be noted that the number and distribution of the first positioning holes 116 and the second positioning holes 128 are not limited here. It can be understood that in some other embodiments, the number of the first positioning holes 116, the number of the second positioning holes 128, the central angle corresponding to adjacent first positioning holes 116, and the central angle corresponding to adjacent second positioning holes 128 can also be adjusted. For example, the number of the first positioning holes 116 can be set to one, or the number of the second positioning holes 128 can be set to one, etc.

[0054] In this embodiment, a first limiting portion and a second limiting portion are further provided on the web 111. The first limiting portion and the second limiting portion are respectively located on both sides of the first positioning hole 116 along the rotation direction of the web 111. The first limiting portion and the second limiting portion are respectively used to stop the arc support 120 to limit the rotation range of the bearing arc 110 relative to the arc support 120.

[0055] Specifically, the first limiting portion includes a first limiting hole 117 provided on the plate body 112. By installing bolts and other components in the first limiting hole 117 to contact the pulley, the limiting is achieved. Similarly, the second limiting portion includes a second limiting hole 118 provided on the plate body 112. By installing bolts and other components in the second limiting hole 118 to contact the second movable clamping portion 125, the limiting is achieved.

[0056] Please refer to Figure 1 and Figure 5 . In this embodiment, the connecting seat 129 is in an inverted U shape and includes a connecting plate 131 and a first connecting ear 132 and a second connecting ear 133 provided on both sides of the connecting plate 131. The first connecting ear 132 and the second connecting ear 133 are respectively located on both sides of the column 21 and are fixedly connected to the column 21 through bolts and other components. The first support plate and the second support plate are fixedly welded to the upper side of the connecting plate 131.

[0057] In the embodiment of the present utility model, for the rotating device 100 and the photovoltaic support 10 provided, during use, when the angle of the main beam needs to be adjusted, first ensure that the pin 140 is not inserted into the first positioning hole 116 and the second positioning hole 128 simultaneously, and drive the bearing arc 110 to rotate. When one of the first positioning holes 116 and one of the second positioning holes 128 are concentric, it indicates that the first positioning hole 116 is aligned with the second positioning hole 128. At this time, the bearing arc 110 rotates to a specific angle. If this angle is the required angle, insert the pin 140 into the aligned first positioning hole 116 and second positioning hole 128 for locking, and prevent the bearing arc 110 from rotating back on the pulley. The rotating device 100 and the photovoltaic support 10 have a simple structure, are easy to manufacture and install, have a low cost, high reliability, and can achieve precise positioning in multiple gears, ensuring the adjustment accuracy, smooth rotation, and convenient locking, which helps to reduce the operation difficulty and is more convenient to use.

[0058] The above is only the specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A rotating device for an adjustable fixing bracket, the rotating device for the adjustable fixing bracket being used for rotatably connecting a column and a main beam; characterized in that, The rotating device for the adjustable fixing bracket includes: a bearing arc, which includes a hoop portion and a web connected to each other. The hoop portion is used for fixedly connecting the main beam, and the web has a first positioning hole; an arc support, which includes an arc support portion and a connecting seat connected to each other. The connecting seat is used for fixedly connecting with the column, and the arc support portion is used for rotatably connecting with the web. A second positioning hole is arranged on the arc support portion and is arranged around the rotation axis of the web; wherein, the first positioning hole and / or the second positioning hole are multiple and are distributed along the rotation axis of the web; and a pin, which is used for locking the relative rotation of the web and the arc support portion when being inserted into the first positioning hole and the second positioning hole, so as to fix the relative positions of the column and the main beam.

2. The rotating device for the adjustable fixing bracket according to claim 1, wherein both the first positioning hole and the second positioning hole are multiple and are distributed along the rotation axis of the web, and the central angles corresponding to adjacent first positioning holes are different from the central angles corresponding to adjacent second positioning holes.

3. The rotating device for the adjustable fixing bracket according to claim 1, wherein the web includes a plate body and a convex edge. The upper end of the plate body has a notch for installing the hoop portion, the lower end of the plate body is arc-shaped, and the convex edge extends along the arc and protrudes relative to the side surface of the plate body; the first positioning hole is arranged on the plate body, and the convex edge is rotatably connected with the arc support portion.

4. The rotating device for the adjustable fixing bracket according to claim 3, wherein the arc support portion includes a first arc support plate, a second arc support plate, a first movable clamping portion and a second movable clamping portion. The first arc support plate and the second arc support plate are arranged at intervals on both sides of the web, and the first movable clamping portion and the second movable clamping portion are installed on the first arc support plate and the second arc support plate at intervals up and down. The first movable clamping portion and the second movable clamping portion cooperate with the upper and lower sides of the convex edge respectively, so that the web and the arc support portion are rotatably matched.

5. The rotating device for the adjustable fixing bracket according to claim 4, wherein the first movable clamping portion includes a connecting shaft and a pulley. The pulley is installed on the connecting shaft, and both ends of the connecting shaft are connected with the first arc support plate and the second arc support plate respectively. The pulley is in rolling cooperation with the convex edge.

6. The rotating device for the adjustable fixing bracket according to claim 4, wherein the second movable clamping portion includes a first pulley structure and a second pulley structure. The first pulley structure is installed on the first arc support plate, the second pulley structure is installed on the second arc support plate, and the first pulley structure and the second pulley structure are arranged at intervals to form a space for the plate body to move between the first pulley structure and the second pulley structure.

7. The rotating device for an adjustable fixing bracket according to claim 4, wherein the first movable clamping part and the second movable clamping part which are arranged at intervals up and down form a set of clamping pieces, and the arc support part comprises two sets of clamping pieces; the second positioning hole is opened in a part of the first arc support plate and / or the second arc support plate between the two sets of clamping pieces.

8. The rotating device for an adjustable fixing bracket according to claim 1, wherein the hoop part is in a U shape to form a square groove with an upper opening in the hoop part, and the square groove is used for installing the main beam and enabling the main beam to rotate synchronously with the hoop part.

9. The rotating device for an adjustable fixing bracket according to claim 1, wherein a first limiting part and a second limiting part are further arranged on the web plate, and the first limiting part and the second limiting part are respectively located on two sides of the first positioning hole along the rotation direction of the web plate; the first limiting part and the second limiting part are respectively used for stopping the arc support seat to limit the rotation range of the bearing arc relative to the arc support seat.

10. A photovoltaic bracket, wherein the photovoltaic bracket comprises a column, a main beam and the rotating device for an adjustable fixing bracket according to any one of claims 1-9, and the column supports the main beam through the rotating device for an adjustable fixing bracket.

Images