A method for installing a kst roof panel photovoltaic support

Abstract

The present application relates to a kind of KST roof panel photovoltaic support installation method, comprising the following steps: S1, wire positioning: according to the support column position determined in construction drawing, mark out support column position on roof waterproof layer, cut open roof waterproof layer and cement mortar leveling layer, expose KST roof panel and board joint seam;S2, board seam filling: the board seam of support column installation place is repaired and filled;S3, column installation: support column is installed on roof panel;S4, waterproof treatment: fill cement mortar leveling layer at support column installation place and repair waterproof layer;S5, purlin erection: sequentially connect support column upper end plate, beam support plate, inclined beam, purlin support plate and purlin.The support column of the present application is directly connected with KST board frame C-shaped steel, force transmission is direct, solves the problem of insufficient bearing capacity of lightweight roof;Through multilayer material filling board seam and full-stick waterproof roll material, airtight waterproof system is formed, and leakage hazard is eradicated;Construction is convenient and small to roof damage.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic installation, and specifically to a method for installing a KST roof panel photovoltaic bracket. Background Technology

[0002] KST roof panels are a lightweight building material made of cold-formed thin-walled steel and hot-rolled steel plates. They consist of a main frame, a secondary frame, secondary ribs, vertical bars, double-layer space wire mesh, EPS board, FC, alkali-resistant glass fiber mesh, and polymer cement waterproof coating. With a service life of 50 years, they are widely used in industrial plants due to their advantages such as energy saving, quick installation, low structural material usage, and low total life cycle cost.

[0003] With the development of distributed photovoltaic (PV) technology, it is increasingly being installed on building roofs, especially on buildings with roof structures made of corrugated steel sheets or concrete. When installing PV brackets on corrugated steel roofs, specialized aluminum alloy clamps are typically used to directly clip onto the upright seams or protruding parts of the ribs of the corrugated steel roof. The clamps are then tightened with bolts, firmly fixing them to the roof. The PV brackets are then connected to the clamps with bolts, thus securing them to the roof. For concrete roofs, steel PV brackets are generally fabricated, and heavy objects such as concrete blocks are used to weigh them down on the roof, using gravity to offset the wind load on the PV array.

[0004] Because KST roof panels are relatively flat and the roof's load-bearing capacity is limited, neither of the above two methods is suitable for installing photovoltaic brackets on KST roof panels. Summary of the Invention

[0005] To address the above problems, this invention proposes a method for installing KST roof panel photovoltaic brackets, the specific technical solution of which is as follows: A method for installing a KST roof panel photovoltaic bracket includes the following steps: S1. Laying out and positioning: According to the position of the support column determined in the construction drawing, mark the position of the support column on the roof waterproof layer, cut open the roof waterproof layer and cement mortar leveling layer to expose the KST roof panel and the joint between the panels. S2. Joint filling: Repair and fill the joints at the installation points of the support columns; S3. Column installation: Install the support columns on the roof panel; S4. Waterproofing treatment: Fill the support column installation area with cement mortar leveling layer and repair the waterproof layer; S5. Purlin erection: Connect the upper end plate of the support column, beam support plate, diagonal beam, purlin support plate and purlin in sequence.

[0006] Furthermore, the support columns are located above the roof truss steel beams and at the junction of the joints of two or four KST roof panels.

[0007] Furthermore, the joint filling process includes filling the joint from bottom to top with sealant, lightweight concrete, polyethylene rods, polyurethane filler, and lightweight concrete, then sealing it with sealant, and finally smoothing it with a scraper.

[0008] Furthermore, the support column is welded together from an upper end plate, a pole, and a lower end plate. The lower end plate has screw holes, and the lower end plate is connected to the C-shaped steel of the KST roof panel frame by screws. The screw caps are equipped with EPDM waterproof washers. The pole is a square tube or a round tube.

[0009] Furthermore, the lower end plate is connected to the C-shaped steel of the KST roof panel frame located below it.

[0010] Further waterproofing treatments include: S4.1 Surface preparation: Clean, dry, and level the surface; S4.2 Apply primer; S4.3 Laying waterproof membrane: The waterproof membrane is laid using the hot-melt method, and the waterproof membrane is sealed with the original membrane by hot-melt. S4.4 Lay a concrete protective layer.

[0011] Furthermore, both the purlin support plate and the beam support plate are provided with oblong holes. The purlin support plate is connected to the purlin through the oblong holes and bolts, and the beam support plate is connected to the inclined beam through the oblong holes and bolts. The beneficial effects of this invention are as follows: The support columns are directly connected to the C-shaped steel of the KST board frame, which directly transmits force and solves the problem of insufficient load-bearing capacity of lightweight roofs; by filling the board gaps with multiple layers of materials and fully adhering waterproof membrane, a tight waterproof system is formed, eliminating the risk of leakage; the construction is convenient and causes little damage to the roof, making it highly economical. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the KST roof panel described in the embodiment; Figure 2 This is a partial enlarged view of the KST roof panel support column described in the embodiment; Figure 3 This is a schematic diagram of the installation of the photovoltaic bracket described in the embodiment; Figure 4 yes Figure 3 A magnified view of a section of the central support column.

[0014] In the diagram: 1. Roof truss steel beam; 2. KST roof panel; 3. Support column; 4. Beam support plate; 5. Inclined beam; 6. Purlin support plate; 7. Purlin; 8. Joint filling layer; 9. Cement mortar leveling layer; 10. Waterproof membrane; 21. C-shaped steel frame of KST roof panel; 31. Top plate; 32. Upright; 33. Bottom plate; 34. Screw holes. Detailed Implementation

[0015] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0016] The present invention provides the following specific implementation schemes: It should be noted that, in this embodiment, the photovoltaic support includes a support column 3, a beam support plate 4, a diagonal beam 5, a purlin support plate 6, and a purlin 7. The lower end of the support column 3 is connected to the C-shaped steel 21 of the KST roof panel frame on the KST roof panel 2, and the upper end of the support is connected to the beam support plate 4. The diagonal beam 5 is installed on its corresponding beam support plate 4, and the purlin 7 is installed on the diagonal beam 5 through its corresponding purlin support plate 6.

[0017] like Figure 1-4 As shown, the present invention provides a method for installing a photovoltaic bracket for a KST roof panel 2, comprising the following steps: S1. Laying out and positioning: Based on the position of the support column 3 determined in the construction drawings, use tools such as laser line projector, level, and chalk line to mark the position of the support column 3 on the roof waterproof layer. Use an angle grinder to cut open the roof waterproof layer and cement mortar leveling layer 9 to expose the KST roof panel 2 and the joints between the panels.

[0018] S2. Joint filling: Repair and fill the joints at the installation location of the support column 3 to form a joint filling layer 8. Specifically, joint filling includes filling the joints from bottom to top with sealant, lightweight concrete, polyethylene rod (25mm in diameter), polyurethane filler, and lightweight concrete, then using special sealant for continuous, uniform, and full sealing, and finally smoothing with a scraper.

[0019] S3. Column Installation: Install the support column 3 onto the KST roof panel frame C-shaped steel 21 on the KST roof panel 2. Specifically, the column needs to be prefabricated. The column is welded together from an upper end plate 31, a pole 32, and a lower end plate 33. The lower end plate 33 has four sets of screw holes 34, each set containing two screw holes 34. The lower end plate 33 is fixed to the KST roof panel frame C-shaped steel 21 with screws. The screw heads have EPDM waterproof washers. The four sets of screw holes 34 on the lower end plate 33 are respectively connected to the four KST roof panels 2 below it. In addition, the pole 32 is a square or round tube made of steel.

[0020] S4. Waterproofing treatment: Fill the installation location of the support column 3 with cement mortar leveling layer 9 and repair the waterproof layer; specifically, the waterproofing treatment includes: S4.1 Base treatment: After the support column 3 is installed and cleaned, use 20mm thick DSM15 mortar (1:3 cement mortar) to level and form a cement mortar leveling layer 9 and cure it; S4.2 Apply primer: Usually, apply a cold primer to increase the adhesion between the roll material and the substrate; S4.3 Laying waterproof membrane 10: Use a flame torch to heat the bottom surface and base layer of waterproof membrane 10. After the asphalt layer melts, roll the membrane and press it to make it firmly bonded to the base layer. The overlap width between the membrane and the original membrane is 100mm, and then use a flame torch to heat-seal it. S4.4 Lay a concrete protective layer to prevent subsequent construction from damaging the waterproof layer. In this embodiment, the protective layer is a 50mm thick fine stone concrete layer.

[0021] S5 and purlin 7 installation: Connect the upper end plate 31 of the support column 3, beam support plate 4, inclined beam 5, purlin support plate 6 and purlin 7 in sequence. Finally, the support column 3, beam support plate 4, inclined beam 5, purlin support plate 6 and purlin 7 together form a photovoltaic support.

[0022] Furthermore, the support column 3 is located above the roof truss steel beam 1 and at the intersection of the joints of 2 or 4 KST roof panels 2.

[0023] Furthermore, both the purlin support plate 6 and the beam support plate 4 are provided with oblong holes. The purlin support plate 6 is connected to the purlin 7 through the oblong holes and bolts, and the beam support plate 4 is connected to the inclined beam 5 through the oblong holes and bolts.

[0024] The support column 3 is directly connected to the C-shaped steel 21 of the KST roof panel frame, which directly transmits force and solves the problem of insufficient load-bearing capacity of the lightweight roof. By filling the gaps between the panels with multiple layers of materials and fully adhering the waterproof membrane 10, a tight waterproof system is formed, eliminating the risk of leakage. The construction is convenient and causes little damage to the roof, making it highly economical.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A method for installing a KST roof panel photovoltaic bracket, characterized in that, Includes the following steps: S1. Laying out and positioning: According to the position of the support column determined in the construction drawing, mark the position of the support column on the roof waterproof layer, cut open the roof waterproof layer and cement mortar leveling layer to expose the KST roof panel and the joint between the panels. S2. Joint filling: Repair and fill the joints at the installation points of the support columns; S3. Column installation: Install the support columns on the roof panel; S4. Waterproofing treatment: Fill the support column installation area with cement mortar leveling layer and repair the waterproof layer; S5. Purlin erection: Connect the upper end plate of the support column, beam support plate, diagonal beam, purlin support plate and purlin in sequence.

2. The method for installing a KST roof panel photovoltaic bracket according to claim 1, characterized in that: The support columns are located above the roof truss steel beams and at the junction of the joints of two or four KST roof panels.

3. The method for installing a KST roof panel photovoltaic bracket according to claim 1, characterized in that: The process of filling the joints involves filling the joints from bottom to top with sealant, lightweight concrete, polyethylene rods, polyurethane filler, and lightweight concrete again, then sealing with sealant, and finally smoothing with a scraper.

4. The method for installing a KST roof panel photovoltaic bracket according to claim 1, characterized in that: The support column is welded together from an upper plate, a pole, and a lower plate. The lower plate has screw holes, and the lower plate is connected to the C-shaped steel of the KST roof panel frame by screws. The screw caps are equipped with EPDM waterproof washers. The pole is a square or round tube.

5. The method for installing a KST roof panel photovoltaic bracket according to claim 4, characterized in that: The lower end plate is connected to the C-shaped steel of the KST roof panel frame located below it.

6. The method for installing a KST roof panel photovoltaic bracket according to claim 1, characterized in that, Waterproofing treatment includes: S4.1 Surface preparation: Clean, dry, and level the surface; S4.2 Apply primer; S4.3 Laying waterproof membrane: The waterproof membrane is laid using the hot-melt method, and the waterproof membrane is sealed with the original membrane by hot-melt. S4.4 Lay a concrete protective layer.

7. The method for installing a KST roof panel photovoltaic bracket according to claim 1, characterized in that: Both the purlin support plate and the beam support plate are provided with waist-shaped holes. The purlin support plate is connected to the purlin through the waist-shaped holes and bolts, and the beam support plate is connected to the inclined beam through the waist-shaped holes and bolts.

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