Inhaul cable type roof photovoltaic support and construction method

Abstract

The invention belongs to the technical field of photovoltaic installation, and particularly relates to an inhaul cable type roof photovoltaic support and a construction method.The inhaul cable type roof photovoltaic support comprises a beam pressing plate, a guide rail assembly, a supporting rod assembly, a connecting inhaul cable and a parapet column, the lower end of the beam pressing plate is attached to the upper end face of a roof waterproof layer plate, and the supporting rod assembly is vertical in the length direction; the lower end of the supporting rod assembly is detachably connected with the beam pressing plate, the upper end of the supporting rod assembly is detachably connected with the side face of the connecting inhaul cable, the connecting inhaul cable is detachably connected with the parapet wall column, and the photovoltaic assembly is detachably connected with the upper end of the beam pressing plate through the guide rail assembly. Compared with the prior art, the method has the advantages that an existing roof waterproof layer plate is not damaged, normal transmission of loads is guaranteed through construction of a structural system, idle roof resources are utilized to the maximum extent, and the method is particularly suitable for roofs using prefabricated slabs, especially buildings with high waterproof grade requirements.

Description

Technical Field

[0001] The invention belongs to the technical field of photovoltaic installation, and in particular relates to a cable-type roof photovoltaic bracket and a construction method. Background Art

[0002] With the massive development of prefabricated buildings, prefabricated components and roof waterproofing panels are widely used in new buildings, and more and more buildings such as walls and roof panels are beginning to use roof waterproofing panels.

[0003] In recent years, with the development of solar power generation, the available building roof resources are becoming less and less. For roofs using prefabricated components and roof waterproofing panels, due to the small amount of load reserved during the design of prefabricated concrete roof panels, the roof cannot use pre-supported concrete counterweights to install photovoltaic brackets, which affects the later installation of photovoltaic modules. As the available roof resources decrease, all roofs that may be paved with photovoltaic modules are included in the development sequence. Under the premise of ensuring the safety of the building, it is necessary to develop technology that can lay photovoltaic modules on prefabricated components and roof waterproofing panels. Therefore, there is an urgent need for a cable-type roof photovoltaic bracket and construction method that does not damage the roof waterproofing panel on the top of the existing roof and has a reasonable load distribution. Summary of the invention

[0004] In view of the above problems, the present invention provides a cable-type roof photovoltaic support and a construction method.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a cable-type roof photovoltaic bracket, used to install a photovoltaic module on a roof waterproof layer board, including a pressure beam plate, a guide rail assembly, a strut assembly, a connecting cable and a parapet column, the lower end of the pressure beam plate is in contact with the upper end surface of the roof waterproof layer plate, the length direction of the strut assembly is vertical, the lower end of the strut assembly is detachably connected to the pressure beam plate, the upper end of the strut assembly is detachably connected to the side of the connecting cable, the connecting cable is detachably connected to the parapet column, and the photovoltaic module is detachably connected to the upper end of the pressure beam plate through the guide rail assembly.

[0006] Preferably, the support rod assembly comprises a support rod and a spring base, the length direction of the support rod is vertical, the lower end of the support rod and the upper end of the spring base are detachably connected, and the lower end of the spring base is detachably connected to the upper end of the pressure beam plate.

[0007] Preferably, the guide rail assembly includes a guide rail member, a connecting screw, a lower connecting member and a guide rail connecting member, the guide rail connecting member is detachably connected to the photovoltaic assembly, the guide rail member is detachably connected to the pressure beam plate through the lower connecting member, and the guide rail member is detachably connected to the guide rail connecting member through the connecting screw.

[0008] Preferably, there are multiple support rods.

[0009] Preferably, it further comprises a windproof cable, wherein the length direction of the windproof cable is horizontal, the number of the connecting cables is plural, and both ends of the windproof cable in the length direction are detachably connected to the connecting cables.

[0010] Preferably, the spring base includes an upper support plate, a spring and a lower support plate, the length direction of the spring is vertical, the lower end of the spring is detachably connected to the upper end of the lower support plate, the upper end of the spring is detachably connected to the lower end of the upper support plate, the upper end of the upper support plate is detachably connected to the lower end of the support rod, and the lower end of the lower support plate is detachably connected to the upper end surface of the pressure beam plate.

[0011] Preferably, the parapet column comprises a first parapet column and a second parapet column, the first parapet column and the second parapet column are both vertical in length direction, and both ends of the connecting cable in the length direction are detachably connected to the first parapet column and the second parapet column respectively.

[0012] Preferably, the compression beam plate includes a first compression beam plate and a second compression beam plate, the first compression beam plate and the second compression beam plate are fixedly connected, one end of the first compression beam plate away from the second compression beam plate is detachably connected to the first parapet column, and one end of the second compression beam plate away from the first compression beam plate is detachably connected to the second parapet column.

[0013] Preferably, the connecting cable is arched.

[0014] A construction method of a cable-type roof photovoltaic bracket, using the cable-type roof photovoltaic bracket, comprises the following steps: Step 1: Lay the compression beam plate along the roof waterproofing layer plate, and the first parapet column and the second parapet column at both ends of the compression beam plate are detachably connected; Step 2: After the compression beam plate is fixed, a connecting cable is laid along the roof span direction, and both ends of the connecting cable in the length direction are detachably connected to the first parapet column and the second parapet column respectively; Step 3: Fix the spring base and the support rod between the connecting cable and the pressure beam plate, and then tension the connecting cable; Step 4: Arrange windproof cables between multiple connecting cables and fix the guide rail assembly on the pressure beam plate; Step 5: After the guide rail assembly is installed, install the photovoltaic module on top of the guide rail assembly.

[0015] Compared with the prior art, the advantages and positive effects of the present invention are: (1) The connecting cables and parapet columns are detachably connected, and the photovoltaic modules are detachably connected to the upper end of the pressure beam plate through the guide rail assembly, without damaging the existing roof waterproof layer. The normal transfer of loads is ensured through the construction of the structural system, and the idle roof resources are utilized to the maximum extent. It is particularly suitable for roofs using prefabricated panels, especially for buildings with high waterproof grade requirements; (2) The length direction of the windproof cable is horizontal, and both ends of the length direction of the windproof cable are detachably connected to the connecting cable. The windproof cable ensures the stability of the system; (3) The side of the connecting cable is detachably connected to the upper end of the support rod assembly, and both ends of the connecting cable in the length direction are detachably connected to the parapet column. The connecting cable ensures safe and reliable fixation; (4) The lower end of the spring base is detachably connected to the upper end of the pressure beam plate, and the spring base plays an elastic buffering role. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the following is a brief introduction to the drawings required for describing the embodiment: Figure 1 This is the main view of the cable-type roof photovoltaic bracket; Figure 2 for Figure 1 A local enlarged schematic diagram of the middle A; Figure 3 for Figure 2 A partial enlarged schematic diagram of point B in the middle; Figure 4 for Figure 1 A partial enlarged schematic diagram of point C in the middle; Figure 5 This is the front view of the spring base of the cable-type roof photovoltaic support.

[0017] Reference numerals: 1—compression beam plate, 11—first compression beam plate, 12—second compression beam plate; 2—guide rail assembly, 21—guide rail member, 22—connecting screw, 23—lower connecting member, 24—guide rail connecting member; 3—Pole; 4—spring base, 41—upper support plate, 42—spring, 43—lower support plate; 5—Connect the cable; 6—windproof cable; 7—Photovoltaic modules; 8—Roof waterproofing layer board; 9—parapet column, 91—first parapet column, 92—second parapet column. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0020] Example 1 Combine the following Figures 1 to 5 Specific description of the cable-type roof photovoltaic bracket and construction method, such as Figure 1 and Figure 4 As shown, a cable-type roof photovoltaic bracket is used to install the photovoltaic module 7 on the roof waterproof layer plate 8, including a pressure beam plate 1, a guide rail assembly 2, a strut assembly, a connecting cable 5 and a parapet column 9. The lower end of the pressure beam plate 1 is in contact with the upper end surface of the roof waterproof layer plate 8, the length direction of the strut assembly is vertical, the lower end of the strut assembly is detachably connected to the pressure beam plate 1, the upper end of the strut assembly is detachably connected to the side of the connecting cable 5, the connecting cable 5 is detachably connected to the parapet column 9, and the photovoltaic module 7 is detachably connected to the upper end of the pressure beam plate 1 through the guide rail assembly 2.

[0021] like Figure 1 and Figure 2 As shown, the support rod assembly includes a support rod 3 and a spring base 4. The length direction of the support rod 3 is vertical. The lower end of the support rod 3 and the upper end of the spring base 4 are detachably connected. The lower end of the spring base 4 and the upper end of the pressure beam plate 1 are detachably connected.

[0022] like Figure 2 and Figure 3 As shown, the guide rail assembly 2 includes a guide rail member 21, a connecting screw 22, a lower connecting member 23 and a guide rail connecting member 24, the guide rail connecting member 24 is detachably connected to the photovoltaic assembly 7, the guide rail member 21 is detachably connected to the pressure beam plate 1 through the lower connecting member 23, and the guide rail member 21 is detachably connected to the guide rail connecting member 24 through the connecting screw 22.

[0023] like Figure 1 and Figure 2 As shown, there are multiple support rods 3.

[0024] like Figure 1 and Figure 4 As shown, it also includes a windproof cable 6, the length direction of the windproof cable 6 is horizontal, the number of connecting cables 5 is multiple, and the two ends of the windproof cable 6 in the length direction are detachably connected to the connecting cables 5 respectively.

[0025] like Figure 1 and Figure 5As shown, the spring base 4 includes an upper support plate 41, a spring 42 and a lower support plate 43. The length direction of the spring 42 is vertical. The lower end of the spring 42 is detachably connected to the upper end of the lower support plate 43, the upper end of the spring 42 is detachably connected to the lower end of the upper support plate 41, the upper end of the upper support plate 41 is detachably connected to the lower end of the support rod 3, and the lower end of the lower support plate 43 is detachably connected to the upper end surface of the pressure beam plate 1.

[0026] like Figure 1 and Figure 2 As shown, the parapet column 9 includes a first parapet column 91 and a second parapet column 92. The first parapet column 91 and the second parapet column 92 are both vertical in length direction, and the two ends of the connecting cable 5 in the length direction are detachably connected to the first parapet column 91 and the second parapet column 92 respectively.

[0027] like Figure 1 As shown, the compression beam plate 1 includes a first compression beam plate 11 and a second compression beam plate 12. The first compression beam plate 11 and the second compression beam plate 12 are fixedly connected, and one end of the first compression beam plate 11 away from the second compression beam plate 12 is detachably connected to the first parapet column 91, and one end of the second compression beam plate 12 away from the first compression beam plate 11 is detachably connected to the second parapet column 92.

[0028] like Figure 1 As shown, the connecting cable 5 is arched.

[0029] A construction method of a cable-type roof photovoltaic support, using a cable-type roof photovoltaic support, comprises the following steps: Step 1: Lay the compression beam plate 1 along the roof waterproofing layer plate 8, and the first parapet column 91 and the second parapet column 92 at both ends of the compression beam plate 1 are detachably connected; Step 2: After the compression beam plate 1 is fixed, the connecting cable 5 is laid along the roof span direction, and the two ends of the connecting cable 5 in the length direction are detachably connected to the first parapet column 91 and the second parapet column 92 respectively; Step 3: Fix the spring base 4 and the support rod 3 between the connecting cable 5 and the pressure beam plate 1, and then tension the connecting cable 5; Step 4: Arrange the windproof cables 6 between the multiple connecting cables 5, and fix the guide rail assembly 2 on the pressure beam plate 1; Step 5: After the guide rail assembly 2 is installed, the photovoltaic assembly 7 is installed above the guide rail assembly 2.

[0030] The first parapet column 91 and the second parapet column 92 are both installed on the ground.

[0031] Working principle of cable-type roof photovoltaic bracket: The vertical load generated by the photovoltaic module 7 is transmitted to the bottom compression beam plate 1 through the guide rail assembly 2, and then part of the compression beam plate 1 is transmitted to the roof waterproofing layer plate 8, and the other part is transmitted to the parapet column 9 via the strut assembly and the connecting cable 5 in turn. Specifically, the compression beam plate 1 forms a stable support system through the strut assembly and the connecting cable 5. The wind suction force generated by the photovoltaic module 7 under the action of wind load is transmitted to the bottom compression beam plate 1 through the guide rail assembly 2, and then transmitted to the connecting cable 5 by the compression beam plate 1 through the spring base 4 and the strut 3, and then transmitted to the structure of the parapet column 9 by the connecting cable 5. While the roof waterproofing layer plate 8 plays a certain supporting role, it avoids excessive pressure of the photovoltaic module 7 on the roof waterproofing layer plate 8. The spring base 4 can play a buffering role to prevent the bottom bracket system from producing large ups and downs under the action of wind suction, and prevent the bracket from deforming and affecting the safety of the photovoltaic module 7.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A cable-type roof photovoltaic bracket, used for installing a photovoltaic module (7) on a roof waterproofing layer (8), characterized in that: The invention comprises a pressure beam plate (1), a guide rail assembly (2), a support rod assembly, a connecting cable (5) and a parapet column (9), wherein the lower end of the pressure beam plate (1) is in contact with the upper end surface of a roof waterproofing layer plate (8), the length direction of the support rod assembly is vertical, the lower end of the support rod assembly is detachably connected to the pressure beam plate (1), the upper end of the support rod assembly is detachably connected to the side of the connecting cable (5), the connecting cable (5) is detachably connected to the parapet column (9), and the photovoltaic assembly (7) is detachably connected to the upper end of the pressure beam plate (1) via the guide rail assembly (2).

2. A cable-type roof photovoltaic support according to claim 1, characterized in that: The support rod assembly comprises a support rod (3) and a spring base (4); the length direction of the support rod (3) is vertical; the lower end of the support rod (3) and the upper end of the spring base (4) are detachably connected; and the lower end of the spring base (4) and the upper end of the pressure beam plate (1) are detachably connected.

3. A cable-type roof photovoltaic support according to claim 2, characterized in that: The guide rail assembly (2) comprises a guide rail member (21), a connecting screw (22), a lower connecting member (23) and a guide rail connecting member (24); the guide rail connecting member (24) is detachably connected to the photovoltaic assembly (7); the guide rail member (21) is detachably connected to the pressure beam plate (1) via the lower connecting member (23); and the guide rail member (21) is detachably connected to the guide rail connecting member (24) via the connecting screw (22).

4. The cable-type roof photovoltaic support according to claim 3 is characterized in that: The number of the support rods (3) is multiple.

5. The cable-type roof photovoltaic support according to claim 3 is characterized in that: It also includes a windproof cable (6), wherein the length direction of the windproof cable (6) is horizontal, the connecting cables (5) are multiple in number, and both ends of the windproof cable (6) in the length direction are detachably connected to the connecting cables (5).

6. The cable-type roof photovoltaic support according to claim 5, characterized in that: The spring base (4) comprises an upper support plate (41), a spring (42) and a lower support plate (43); the length direction of the spring (42) is vertical; the lower end of the spring (42) is detachably connected to the upper end of the lower support plate (43); the upper end of the spring (42) is detachably connected to the lower end of the upper support plate (41); the upper end of the upper support plate (41) is detachably connected to the lower end of the support rod (3); and the lower end of the lower support plate (43) is detachably connected to the upper end surface of the pressure beam plate (1).

7. The cable-type roof photovoltaic support according to claim 1, characterized in that: The parapet column (9) comprises a first parapet column (91) and a second parapet column (92); the first parapet column (91) and the second parapet column (92) are both vertical in length direction; and the two ends of the connecting cable (5) in the length direction are detachably connected to the first parapet column (91) and the second parapet column (92) respectively.

8. The cable-type roof photovoltaic support according to claim 7, characterized in that: The compression beam plate (1) comprises a first compression beam plate (11) and a second compression beam plate (12); the first compression beam plate (11) and the second compression beam plate (12) are fixedly connected; an end of the first compression beam plate (11) away from the second compression beam plate (12) is detachably connected to a first parapet column (91); and an end of the second compression beam plate (12) away from the first compression beam plate (11) is detachably connected to a second parapet column (92).

9. The cable-type roof photovoltaic support according to claim 8, characterized in that: The connecting cable (5) is arched.

10. A construction method of a cable-type roof photovoltaic support, using the cable-type roof photovoltaic support according to claim 9, characterized in that: The following steps are involved: Step 1: Lay the compression beam plate (1) along the roof waterproofing layer plate (8), and the first parapet column (91) and the second parapet column (92) are detachably connected at both ends of the compression beam plate (1); Step 2: After the compression beam plate (1) is fixed, a connecting cable (5) is laid along the roof span direction, and the two ends of the connecting cable (5) in the length direction are detachably connected to the first parapet column (91) and the second parapet column (92) respectively; Step 3: Fix the spring base (4) and the support rod (3) between the connecting cable (5) and the pressure beam plate (1), and then tension the connecting cable (5); Step 4: Arrange windproof cables (6) between the plurality of connecting cables (5), and fix the guide rail assembly (2) on the pressure beam plate (1); Step 5: After the guide rail assembly (2) is installed, the photovoltaic assembly (7) is installed on the top of the guide rail assembly (2).

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