Installation device and installation method for a photovoltaic rack

Abstract

The application relates to the technical field of solar photovoltaic power generation, in particular to a mounting device and mounting method of a photovoltaic support, wherein the mounting device comprises: a fixing mechanism used for fixing the mounting device on a photovoltaic support stand column; an L-shaped stand column vertically leaning against the fixing mechanism, the bottom of the L-shaped stand column being rotationally connected to the fixing mechanism; a cross arm horizontally arranged on the top of the fixing mechanism, the cross arm being provided with a bearing part; a limiting mechanism mounted on the top of the fixing mechanism, the L-shaped stand column passing through the inner side of the limiting mechanism, the limiting mechanism being used for adjusting the rotation range of the L-shaped stand column; and a hook mechanism mounted on the L-shaped stand column and used for hoisting the photovoltaic support. The mounting device can be used for quickly assembling and disassembling the photovoltaic support, nearly 70% of the mounting work can be completed on the ground, the mounting platform and other auxiliary tools need not be excessively borrowed, the time for mounting the photovoltaic support is saved, the risk of mounting the photovoltaic support is reduced, and the mounting cost of the photovoltaic support is lowered.

Description

Technical Field

[0001] The present invention relates to the technical field of solar photovoltaic power generation, and in particular to an installation device and an installation method for a photovoltaic bracket. Background Art

[0002] As we all know, the large-scale exploitation and utilization of fossil energy is the culprit for global ecological pollution and damage. As a clean and renewable energy technology, solar power generation has many advantages and potentials, and therefore has broad prospects in future energy development.

[0003] Photovoltaic brackets are a crucial component of solar photovoltaic power generation systems, used to support and mount photovoltaic modules. They require on-site installation at the photovoltaic site. Conventional photovoltaic bracket installation methods utilize a "single-component sequential installation method," whereby columns, diagonal beams, braces, purlins, and photovoltaic panels are installed from bottom to top. However, the uneven terrain of mountainous terrain requires frequent movement of installation workers up and down the installation platform. This method not only compromises safety and convenience, but also inefficiencies. However, with the development of national energy strategies, an increasing number of mountain photovoltaic projects are entering implementation, creating an urgent need for a method for rapidly installing photovoltaic brackets. Summary of the Invention

[0004] The present invention provides a photovoltaic bracket installation device and an installation method to solve the technical problem of low installation efficiency of existing photovoltaic brackets.

[0005] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0006] The present invention provides a photovoltaic bracket installation device, comprising:

[0007] A fixing mechanism, used to fix the mounting device on the photovoltaic support column;

[0008] The L-shaped column leans vertically against the fixing mechanism, and the bottom of the L-shaped column is rotatably connected to the fixing mechanism;

[0009] A cross arm is horizontally mounted on the top of the fixing mechanism, and a bearing portion is provided on the cross arm;

[0010] The limiting mechanism is installed on the top of the fixing mechanism, and the L-shaped column passes through the inner side of the limiting mechanism. The limiting mechanism is used to adjust the rotation range of the L-shaped column;

[0011] The hook mechanism is installed on the L-shaped column and is used to lift the photovoltaic bracket.

[0012] Furthermore, the fixing mechanism includes a lower clamp, an upper clamp, a fixing column and a lower fixing member;

[0013] The lower clamp and the upper clamp are respectively fixed to the bottom and top of the fixed column, the lower fixing piece is fixed to the bottom of the fixed column, the bottom of the L-shaped column extends into the inner side of the lower fixing piece, and the bottom of the L-shaped column and the lower fixing piece are rotatably connected.

[0014] Furthermore, the transverse cross-section of the lower fixing member is U-shaped.

[0015] Furthermore, the limiting mechanism includes an upper fixing member and a limiting bolt;

[0016] The upper fixing piece is fixed on the top of the fixed column, the L-shaped column passes through the inner side of the upper fixing piece, the limit bolt is threadedly connected to the upper fixing piece, and the limit bolt abuts against the side of the L-shaped column to adjust the rotation range of the L-shaped column.

[0017] Furthermore, the upper fixing member has a U-shaped transverse cross-section.

[0018] Furthermore, the hook mechanism includes a winch, a transverse pulley, a vertical pulley and a hook assembly;

[0019] The winch is installed in the middle position of the back of the L-shaped column, the horizontal pulley is installed at the top of the back of the L-shaped column, the top of the winch is provided with a horizontal support part, the vertical pulley is installed on the horizontal support part of the winch, and is located directly above the cross arm. The hook assembly includes a hook and a pull rope. A slotted hole is provided on the top of the L-shaped column. One end of the pull rope is fixed to the winch, and the other end passes around the horizontal pulley, through the slotted hole, around the vertical pulley and is fixed to the hook. The hook is located directly above the cross arm.

[0020] Furthermore, the winch is a hand-cranked winch or an electric winch.

[0021] Another aspect of the present invention provides a method for installing a photovoltaic bracket, which uses the above-mentioned installation device to install the photovoltaic bracket, and specifically includes the following steps:

[0022] S1. First, fix multiple installation devices on the corresponding photovoltaic support columns that have been installed or constructed in advance through the lower clamp and upper clamp on the fixing mechanism;

[0023] S2. Place the inclined beam of the photovoltaic support on the cross arm of the installation device, and install the purlin support and purlin on the inclined beam in sequence to obtain the assembled photovoltaic support, and install some solar cells equidistantly on the top of the photovoltaic support;

[0024] S3. Tie the two ends of the lifting rope to the two ends of the inclined beam, shake the winch so that the hook on the hook mechanism hooks the middle position of the lifting rope, shake the winch again, lift the assembled photovoltaic bracket and some solar cells to the designated position on the top of the photovoltaic bracket column, and install the column connector in the middle of the inclined beam;

[0025] S4. Loosen the limit bolt on the limit mechanism to increase the rotation range of the L-shaped column, then push the L-shaped column so that the column connector is located at the top of the photovoltaic support column, shake the winch to make the assembled photovoltaic support fall to the designated position on the top of the photovoltaic support column, and use a second bolt to connect the photovoltaic support column and the column connector so that the photovoltaic support can swing on the photovoltaic support column around the second bolt;

[0026] S5. Remove the above-mentioned installation device, adjust the inclination angle of the photovoltaic bracket to the designed inclination angle, fix two diagonal braces diagonally between each photovoltaic bracket column and the diagonal beam directly above the photovoltaic bracket column, and install the remaining unmounted solar cells on the photovoltaic bracket.

[0027] Furthermore, the hook on the hook mechanism in S3 and the lifting rope are connected in such a way that the middle portion of the lifting rope is wrapped around the hook for several turns.

[0028] Beneficial effects of the present invention:

[0029] 1. The traditional photovoltaic bracket installation method requires the use of a mounting platform, and the installation personnel need to frequently go up and down the mounting platform during installation. Compared with the traditional photovoltaic bracket installation method, the present invention uses a mounting device to quickly disassemble and assemble the photovoltaic bracket, making the installation more convenient. It does not require the installers to frequently go up and down the mounting platform, reducing the installers' workload. In addition, the mounting device is suitable for installation on steel columns or prefabricated pipe piles, and has a wider range of applications.

[0030] 2. The installation device protected by the present invention can complete most of the work of installing the photovoltaic bracket at a height that people can easily install it, that is, the installer can install the photovoltaic bracket in a standing posture. During the installation process, there is no need to use too many auxiliary tools such as the installation platform, which reduces the installation difficulty, saves the installation time of the photovoltaic bracket, and improves the installation efficiency of the photovoltaic bracket. At the same time, compared with the traditional photovoltaic bracket installation method, especially when the installation environment is in the mountains, the mountain ground is uneven and it is difficult for the installation platform to stay steadily on the mountain ground, it also reduces the installation risks brought about by the installers standing on the installation platform for a long time, making the installation process safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the installation device of the present invention;

[0032] Figure 2 This is a structural diagram of the installation device installed on the photovoltaic support column;

[0033] Figure 3 It is a structural diagram of a photovoltaic bracket;

[0034] Figure 4 for Figure 3 A partial enlarged schematic diagram of the left part.

[0035] Description of reference numerals:

[0036] 101. Lower clamp; 102. Upper clamp; 103. Fixed column; 104. L-shaped column; 105. Cross arm; 106. Lower fixing piece; 107. Upper fixing piece; 108. Limit bolt; 109. Winch; 110. Horizontal pulley; 111. Vertical pulley; 112. Hook assembly;

[0037] 201. Photovoltaic support column;

[0038] 301. Inclined beam; 302. Purlin support; 303. Purlin; 304. Solar cell; 305. Lifting rope. DETAILED DESCRIPTION

[0039] To facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention may be implemented in many other forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present disclosure.

[0040] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0041] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used in this specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0044] It should also be noted that, in the embodiments of the present application, the same figure mark represents the same component or the same part. For the same parts in the embodiments of the present application, the figure may only mark one of the parts or components as an example. It should be understood that the figure mark also applies to other identical parts or components.

[0045] As described in the background technology, the conventional bracket installation method is the "single-component sequential installation method", that is, the columns, inclined beams, diagonal braces, purlins and photovoltaic panels are installed in sequence from bottom to top. However, the mountainous terrain is uneven, and the construction safety and convenience of this installation method are poor. During installation, personnel need to frequently go up and down the installation platform, and the efficiency of photovoltaic bracket installation is low.

[0046] In order to solve the above problems, the present invention provides a photovoltaic bracket installation device. Figure 1 , the mounting device comprises:

[0047] A fixing mechanism for fixing the mounting device on the photovoltaic support column 201;

[0048] An L-shaped column 104 is vertically leaning against the fixing mechanism, and the bottom of the L-shaped column 104 is rotatably connected to the fixing mechanism;

[0049] A cross arm 105 is horizontally mounted on the top of the fixing mechanism, and a bearing portion is provided on the cross arm 105;

[0050] A limiting mechanism is installed on the top of the fixing mechanism, and the L-shaped column 104 passes through the inner side of the limiting mechanism. The limiting mechanism is used to adjust the rotation range of the L-shaped column 104;

[0051] The hook mechanism is installed on the L-shaped column 104 and is used to lift the photovoltaic bracket.

[0052] In some embodiments, the fixing mechanism includes a lower clamp 101, an upper clamp 102, a fixing column 103 and a lower fixing member 106;

[0053] The lower clamp 101 and the upper clamp 102 are respectively welded to the bottom and top of the fixed column 103, the lower fixing piece 106 is welded to the bottom of the fixed column 103, the bottom of the L-shaped column 104 extends into the inner side of the lower fixing piece 106, and the bottom of the L-shaped column 104 and the lower fixing piece 106 are connected by a first bolt, so that the L-shaped column 104 can rotate around the first bolt, and the cross arm 105 is welded to the upper clamp 102.

[0054] In some embodiments, the transverse cross-section of the lower fixing member 106 is U-shaped, and the first bolt is screwed in from one end of the lower fixing member 106 and screwed out from the other end, thereby improving the connection strength between the L-shaped column 104 and the lower fixing member 106, making it safer and more reliable. At the same time, the lower fixing member 106 is set to be U-shaped, which also facilitates the rotation of the L-shaped column 104 on the inner side of the lower fixing member 106, making the rotation of the L-shaped column 104 more flexible.

[0055] In some embodiments, the limiting mechanism includes an upper fixing member 107 and a limiting bolt 108;

[0056] The upper fixing piece 107 is welded to the top of the fixing column 103, and the L-shaped column 104 passes through the inner side of the upper fixing piece 107. The limiting bolt 108 is threadedly connected to the upper fixing piece 107. The limiting bolt 108 abuts against the side of the L-shaped column 104 to adjust the rotation range of the L-shaped column 104. When in use, the limiting bolt 108 is rotated forward toward the L-shaped column 104. The limiting bolt 108 pushes the L-shaped column 104 to rotate in the same direction. The rotation range of the L-shaped column 104 in the upper fixing piece 107 gradually becomes smaller. The threaded connection has self-locking properties and can well limit the rotation range of the L-shaped column 104.

[0057] In some embodiments, the transverse cross-section of the upper fixing member 107 is U-shaped, which facilitates the installation of the limiting bolt 108 and also enhances the connection strength between the limiting bolt 108 and the upper fixing member 107, making the entire limiting mechanism more reliable.

[0058] In some embodiments, the hook mechanism includes a winch 109 , a horizontal pulley 110 , a vertical pulley 111 , and a hook assembly 112 ;

[0059] The winch 109 is installed in the middle position of the back side of the L-shaped column 104, and the transverse pulley 110 is installed at the top of the back side of the L-shaped column 104. A transverse support part is provided on the top of the winch 109, and a vertical pulley 111 is installed on the transverse support part of the winch 109 and is located directly above the cross arm 105. The hook assembly 112 includes a hook and a pull rope. A slotted hole is provided at the top of the L-shaped column 104. One end of the pull rope is fixed to the winch 109, and the other end passes around the transverse pulley 110, through the slotted hole, around the vertical pulley 111 and is fixed to the hook. The hook is located directly above the cross arm 105.

[0060] It should be noted that the winch 109 can be a hand-cranked winch or an electric winch. The use of a hand-cranked winch is more energy-saving and environmentally friendly, and the equipment cost is lower. The use of an electric winch eliminates the need for installers to manually crank the winch 109, further reducing the labor intensity of the installers.

[0061] Another aspect of the present invention provides a method for installing a photovoltaic bracket, referring to Figure 2 、 Figure 3 and Figure 4 The present invention uses the above-mentioned installation device to install the photovoltaic bracket, which specifically includes the following steps:

[0062] S1. First, fix multiple installation devices on the corresponding photovoltaic support columns 201 that have been installed or constructed in advance using the lower clamp 101 and the upper clamp 102 on the fixing mechanism;

[0063] S2. Place the inclined beam 301 of the photovoltaic support on the cross arm 105 in the installation device, and install the purlin support 302 and purlin 303 on the inclined beam 301 in sequence to obtain the assembled photovoltaic support. Install some solar cells 304 at equal intervals on the top of the photovoltaic support;

[0064] During this process, the installer can install the inclined beams 301, 302, the purlin 303 and part of the solar cells 304 in a standing position, without having to use too many auxiliary tools such as the installation platform, which reduces the installation difficulty, saves the installation time of the photovoltaic bracket, and improves the installation efficiency of the photovoltaic bracket;

[0065] S3. Tie the two ends of the lifting rope 305 to the two ends of the inclined beam 301, shake the hoisting winch 109 so that the hook on the hook mechanism 112 hooks the middle position of the lifting rope 305, shake the hoisting winch 109 again, lift the assembled photovoltaic support and part of the solar cell 304 to the designated position on the top of the photovoltaic support column 201, and install the column connector in the middle of the inclined beam 301;

[0066] S4. Loosen the limiting bolt 108 on the limiting mechanism to increase the rotation range of the L-shaped column 104, then push the L-shaped column 104 so that the column connector is located at the top of the photovoltaic support column 201, shake the winch 109, so that the assembled photovoltaic support is located at the designated position on the top of the photovoltaic support column 201, and use a second bolt to connect the photovoltaic support column 201 to the column connector so that the photovoltaic support can swing on the photovoltaic support column 201 around the second bolt;

[0067] S5. Remove the above-mentioned installation device, adjust the inclination angle of the photovoltaic bracket to the designed inclination angle, fix two diagonal braces obliquely between each photovoltaic bracket column 201 and the oblique beam 301 directly above the photovoltaic bracket column 201, and install the remaining uninstalled solar cells on the photovoltaic bracket.

[0068] In some embodiments, the connection method between the hook on the hook mechanism in S3 and the lifting rope 305 is: the middle part of the lifting rope 305 is wrapped around the hook several times. Preferably, the middle part of the lifting rope 305 is wrapped around the hook once to prevent the photovoltaic bracket from tilting to one side when the hook mechanism pulls the photovoltaic bracket up.

[0069] The traditional photovoltaic bracket installation method requires the use of a mounting platform, and the installation personnel need to frequently go up and down the mounting platform. Compared with the traditional photovoltaic bracket installation method, the present invention uses a mounting device to quickly disassemble and assemble the photovoltaic bracket, making the installation more convenient. It does not require the installer to frequently go up and down the mounting platform, reducing the installer's workload. In addition, the mounting device is suitable for installation on steel columns or prefabricated pipe piles, and has a wider range of applications.

[0070] At the same time, the installation device protected by the present invention can complete most of the photovoltaic bracket installation work at a height that people can easily install, that is, the installer can install the photovoltaic bracket in a standing posture. Specifically, the present invention uses the installation device to complete 70% of the photovoltaic bracket installation work on the ground. During the installation process, there is no need to excessively borrow auxiliary tools such as installation platforms, which reduces the installation difficulty, saves the installation time of the photovoltaic bracket, and improves the installation efficiency of the photovoltaic bracket. At the same time, compared with traditional photovoltaic bracket installation methods, especially when the installation environment is in the mountains, the mountain ground is uneven and it is difficult for the installation platform to stay stably on the mountain ground, it also reduces the installation risks brought about by the installers standing on the installation platform for a long time, making the installation process safer and more reliable.

[0071] The installation device has been completed and is already being used in large quantities in projects. According to traditional installation methods, a team of four people would need 4-5 hours to complete the installation of a photovoltaic bracket. However, using the photovoltaic bracket installation method protected by the present invention, the photovoltaic bracket can be completed in 2.5 to 3 hours. Practice has proven that using the installation device and the photovoltaic bracket installation method protected by the present invention greatly improves the installation efficiency of the photovoltaic bracket and reduces the installation cost.

[0072] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or replacements within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A method for installing a photovoltaic bracket installation device, characterized in that: The installation device includes: A fixing mechanism, used to fix the mounting device on the photovoltaic support column; The L-shaped column leans vertically against the fixing mechanism, and the bottom of the L-shaped column is rotatably connected to the fixing mechanism; A cross arm is horizontally mounted on the top of the fixing mechanism, and a bearing portion is provided on the cross arm; The limiting mechanism is installed on the top of the fixing mechanism, and the L-shaped column passes through the inner side of the limiting mechanism. The limiting mechanism is used to adjust the rotation range of the L-shaped column; The hook mechanism is installed on the L-shaped column and is used to lift the photovoltaic bracket; The fixing mechanism includes a lower clamp, an upper clamp, a fixing column and a lower fixing piece; The lower clamp and the upper clamp are fixed to the bottom and top of the fixed column respectively, the lower fixing piece is fixed to the bottom of the fixed column, the bottom of the L-shaped column extends into the inner side of the lower fixing piece, and the bottom of the L-shaped column and the lower fixing piece are rotatably connected; The installation method includes the following steps: S1. First, fix multiple mounting devices to the corresponding photovoltaic support columns that have been installed in advance through the lower clamp and upper clamp on the fixing mechanism; S2. Place the inclined beam of the photovoltaic support on the cross arm of the installation device, and install the purlin support and purlin on the inclined beam in sequence to obtain the assembled photovoltaic support, and install some solar cells equidistantly on the top of the photovoltaic support; S3. Tie the two ends of the lifting rope to the two ends of the inclined beam, shake the winch so that the hook on the hook mechanism hooks the middle position of the lifting rope, shake the winch again, lift the assembled photovoltaic bracket and some solar cells to the designated position on the top of the photovoltaic bracket column, and install the column connector in the middle of the inclined beam; S4. Loosen the limit bolt on the limit mechanism to increase the rotation range of the L-shaped column, then push the L-shaped column so that the column connector is located at the top of the photovoltaic support column, shake the winch to make the assembled photovoltaic support fall to the designated position on the top of the photovoltaic support column, and use a second bolt to connect the photovoltaic support column and the column connector so that the photovoltaic support can swing on the photovoltaic support column around the second bolt; S5. Remove the above-mentioned installation device, adjust the inclination angle of the photovoltaic bracket to the designed inclination angle, fix two diagonal braces diagonally between each photovoltaic bracket column and the diagonal beam directly above the photovoltaic bracket column, and install the remaining unmounted solar cells on the photovoltaic bracket.

2. The installation method according to claim 1, characterized in that: The transverse cross-section of the lower fixing member is U-shaped.

3. The installation method according to claim 1, wherein: The limiting mechanism includes an upper fixing member and a limiting bolt; The upper fixing piece is fixed on the top of the fixed column, the L-shaped column passes through the inner side of the upper fixing piece, the limit bolt is threadedly connected to the upper fixing piece, and the limit bolt abuts against the side of the L-shaped column to adjust the rotation range of the L-shaped column.

4. The installation method according to claim 3, characterized in that: The upper fixing member has a U-shaped transverse cross section.

5. The installation method according to claim 1, wherein: The hook mechanism includes a winch, a transverse pulley, a vertical pulley and a hook assembly; The winch is installed in the middle position of the back of the L-shaped column, the horizontal pulley is installed at the top of the back of the L-shaped column, the top of the winch is provided with a horizontal support part, the vertical pulley is installed on the horizontal support part of the winch, and is located directly above the cross arm. The hook assembly includes a hook and a pull rope. A slotted hole is provided on the top of the L-shaped column. One end of the pull rope is fixed to the winch, and the other end passes around the horizontal pulley, through the slotted hole, around the vertical pulley and is fixed to the hook. The hook is located directly above the cross arm.

6. The installation method according to claim 5, characterized in that: The winch is a hand-cranked winch or an electric winch.

7. The installation method according to claim 5, characterized in that: The hook on the hook mechanism in S3 is connected to the lifting rope in such a way that the middle portion of the lifting rope is wound around the hook for several turns.

Images