Method for increasing counterweight of roof photovoltaic support

Abstract

The invention discloses a method for increasing the balance weight of a roof photovoltaic support, and belongs to the technical field of new energy photovoltaic power generation. The U-shaped steel guide rails are connected through triangular connecting pieces and fixed to the parapet wall through expansion bolts to form a triangular stable structure. The problem that under the condition that the roof cannot meet the balance weight requirement, the load requirement is met by pasting the structural adhesive and the supporting and connecting device is solved.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic power generation, and in particular to a method for increasing the counterweight of a roof photovoltaic bracket. Background Art

[0002] Photovoltaic power generation is an important part of the utilization of renewable resources. Photovoltaic power generation mainly converts solar energy into electrical energy by facing the sun with solar panels. In order to make full use of solar energy resources, it is necessary to make use of idle space. For example, using sloped roofs to lay solar cells is a common choice. However, when laying and installing photovoltaic brackets on sloped roofs, the roof cannot meet the counterweight, making laying difficult. Summary of the invention

[0003] In view of the problems existing in the prior art, the present invention provides a method for increasing the counterweight of a roof photovoltaic bracket, which solves the problem that the roof cannot meet the counterweight requirements by sticking structural adhesive and supporting connecting devices to meet the load requirements.

[0004] The present invention is implemented as follows: a method for increasing the counterweight of a roof photovoltaic bracket, wherein a parapet is arranged around the roof, comprising the following steps:

[0005] (1) Waterproof the roof surface where the photovoltaic bracket is to be laid, and then stick multiple square tubes to the roof surface in multiple rows along the longitudinal direction of the roof with structural adhesive, and then lay the U-shaped steel rails constituting the photovoltaic bracket horizontally on the square tubes;

[0006] (2) When the height of the parapet is not less than 1m, one end of the connecting rod is fixed to the inner wall of the parapet, and the other end of the connecting rod is connected to the U-shaped steel rail to form a triangular stable whole;

[0007] (3) When the height of the parapet is less than 1m, a horizontal bar is installed at the top of the parapet. The top of the horizontal bar on the outside of the parapet is fixed to the outer wall of the parapet through an external support rod to form a triangle, and the top of the horizontal bar on the inside of the parapet is connected to the U-shaped steel guide rail through an internal support rod to form a stable triangle.

[0008] In step (2), a reinforcing connecting rod is added between the middle part of the connecting rod and the inner wall of the parapet to strengthen the triangle and stabilize the whole.

[0009] In step (3), a reinforcing outer support rod is added between the middle portion of the outer support rod and the outer wall surface of the parapet to strengthen the triangle and stabilize the whole.

[0010] Preferably, the U-shaped steel guide rail is connected to the square tube via a dovetail wire.

[0011] Preferably, the connecting rod, the reinforcing connecting rod, the outer support rod, and the reinforcing outer support rod are respectively firmly fixed to the parapet by connecting triangular connecting pieces, and the triangular connecting pieces are connected to the parapet by driving expansion bolts into the parapet.

[0012] Preferably, the connecting rod and the U-shaped steel guide rail, the reinforcing connecting rod and the connecting rod, the cross rod and the outer support rod / inner support rod, the inner support rod and the U-shaped steel guide rail, and the reinforcing outer support rod and the outer support rod are respectively connected by triangular connectors.

[0013] Preferably, the parapet is a reinforced concrete parapet.

[0014] The invention has the advantages and technical effects of: solving the problem that the roof cannot meet the load-bearing requirement, and meeting the load requirement by sticking structural adhesive and supporting connection devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a construction drawing of a parapet wall with a height of not less than 1m implemented by the method of increasing the counterweight of a roof photovoltaic support of the present invention.

[0016] Figure 2 It is a construction drawing of a parapet wall with a height of less than 1m implemented by the method of increasing the counterweight of a roof photovoltaic support of the present invention. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation methods described herein are only used to explain the present invention and are not used to limit the present invention.

[0018] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by terms such as “upper”, “middle”, “lower”, “inside”, “outside”, and “both sides” are based on the orientations or positional relationships shown in the accompanying drawings, and are only simplified descriptions for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] like Figure 1 , 2As shown, the method for increasing the counterweight of the roof photovoltaic support of the present invention, the parapet 6 is arranged around the roof, and comprises the following steps:

[0021] (1) The roof surface 1 where the photovoltaic bracket is to be laid is waterproofed, and then multiple square tubes 2 are glued to the roof surface 1 in multiple rows along the longitudinal direction of the roof with structural adhesive, and then the U-shaped steel guide rail 7 constituting the photovoltaic bracket is laid horizontally on the square tubes 2;

[0022] (2) Figure 1 As shown, when the height of the parapet 6 is not less than 1m, one end of the connecting rod 4 is fixed to the inner wall of the parapet 6, and the other end of the connecting rod 4 is connected to the U-shaped steel guide rail 7 to form a triangular stable whole;

[0023] (3) Figure 2 As shown, when the height of the parapet 6 is less than 1m, a cross bar 10 is set on the top of the parapet 6, and the top of the cross bar 10 located on the outside of the parapet is fixed to the outer wall of the parapet 6 in a triangle through the outer support rod 11, and the top of the cross bar 10 located on the inside of the parapet is connected to the U-shaped steel guide rail 7 through the inner support rod 9 to form a triangular stable whole.

[0024] In step (2), a reinforcing connecting rod 8 is added between the middle portion of the connecting rod 4 and the inner wall of the parapet to strengthen the triangle and stabilize the whole.

[0025] In step (3), a reinforcing outer support rod 12 is added between the middle portion of the outer support rod 11 and the outer wall surface of the parapet to strengthen the triangle and stabilize the whole.

[0026] Preferably, the U-shaped steel guide rail 7 is connected to the square tube 2 via a dovetail wire.

[0027] Preferably, the connecting rod 4 , the reinforcing connecting rod 8 , the outer support rod 11 , and the reinforcing outer support rod 12 are respectively firmly fixed to the parapet 6 by connecting the triangular connecting piece 3 , and the triangular connecting piece 3 is connected to the parapet 6 by driving the parapet expansion bolt 5 into the parapet.

[0028] Preferably, the connecting rod 4 and the U-shaped steel guide rail 7, the reinforcing connecting rod 8 and the connecting rod 4, the cross bar 10 and the outer support rod 11 / inner support rod 9, the inner support rod 9 and the U-shaped steel guide rail 7, and the reinforced outer support rod 12 and the outer support rod 11 are respectively connected by triangular connectors 3.

[0029] Preferably, the parapet is a reinforced concrete parapet.

[0030] The multiple U-shaped steel guide rails 7 are connected by triangular connectors 3 and fixed to the parapet 6 by expansion bolts 5 to form a triangular stable structure.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for increasing the counterweight of a roof photovoltaic support, wherein a parapet is arranged around the roof, characterized in that: The following steps are involved: (1) Waterproof the roof surface where the photovoltaic bracket is to be laid, and then stick multiple square tubes to the roof surface in multiple rows along the longitudinal direction of the roof with structural adhesive, and then lay the U-shaped steel rails constituting the photovoltaic bracket horizontally on the square tubes; (2) When the height of the parapet is not less than 1m, one end of the connecting rod is fixed to the inner wall of the parapet, and the other end of the connecting rod is connected to the U-shaped steel rail to form a triangular stable whole; (3) When the height of the parapet is less than 1m, a horizontal bar is installed at the top of the parapet. The top of the horizontal bar on the outside of the parapet is fixed to the outer wall of the parapet through an external support rod to form a triangle, and the top of the horizontal bar on the inside of the parapet is connected to the U-shaped steel guide rail through an internal support rod to form a stable triangle.

2. The method for increasing the counterweight of a rooftop photovoltaic support according to claim 1, characterized in that: In step (2), a reinforcing connecting rod is added between the middle part of the connecting rod and the inner wall of the parapet to strengthen the triangle and stabilize the whole.

3. The method for increasing the counterweight of a roof photovoltaic support according to claim 1, characterized in that: In step (3), a reinforcing outer support rod is added between the middle portion of the outer support rod and the outer wall surface of the parapet to strengthen the triangle and stabilize the whole.

4. The method for increasing the counterweight of a roof photovoltaic support according to claim 1, characterized in that: The U-shaped steel guide rail is connected to the square tube via a dovetail wire.

5. The method for increasing the counterweight of a rooftop photovoltaic support according to any one of claims 1 to 3, characterized in that: The connecting rod, the reinforcing connecting rod, the outer supporting rod and the reinforcing outer supporting rod are respectively firmly fixed to the parapet by connecting triangular connecting pieces, and the triangular connecting piece is connected to the parapet by driving expansion bolts into the parapet.

6. The method for increasing the counterweight of a rooftop photovoltaic support according to any one of claims 1 to 3, characterized in that: The connecting rod and the U-shaped steel guide rail, the reinforcing connecting rod and the connecting rod, the cross rod and the outer support rod / inner support rod, the inner support rod and the U-shaped steel guide rail, and the reinforcing outer support rod and the outer support rod are connected respectively through triangular connecting pieces.

7. The method for increasing the counterweight of a rooftop photovoltaic support according to claim 1, characterized in that: The parapet wall is a reinforced concrete parapet wall.

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