Load increasing and reinforcing system for light steel roof

Abstract

The utility model relates to a light steel roof load increasing and reinforcing system, and belongs to the field of photovoltaic power generation. Comprising a plurality of reinforcing units which are arranged on the outer side of an original roof structure and connected in rows, each reinforcing unit comprises vertical supports arranged on the two sides of the exterior of a plant, and the tops of the vertical supports are connected through string cable rod structures; the string cable rod structure is connected to the original roof structure through a steel connecting rod. The string cable rod structure comprises a first string cable, a second string cable and an inverted triangular supporting piece connecting the first string cable and the second string cable, and the supporting piece comprises three limiting supporting rods. The vertical support comprises two support columns, a support cross beam, a support straight web member and a support diagonal web member. The problem that the original roof structure of the factory building can be reinforced without entering the original factory building is solved, the construction is convenient, the influence on the original structure is small, the bearing capacity of the original roof structure is increased, and the utilization rate of the occupied space of the original factory building is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to photovoltaic power generation field relates to a light steel roof load increasing and reinforcing system. BACKGROUND

[0002] At present, with the increasing demand for renewable energy worldwide, photovoltaic power generation technology as a green, sustainable energy utilization method is widely used in various buildings, including installing photovoltaic power generation components on large-span factory roofs. In the project of adding photovoltaic power generation components to the existing large-span factory roof, due to the weight of the photovoltaic components and the additional load that may be generated during installation, the roof structure often needs to be reinforced to ensure the safety and stability of the structure. The general reinforcement methods include sticking steel plates to enhance the structural bearing capacity, or increasing the cross section of the components to improve the overall stiffness. These traditional reinforcement schemes, although mature in technology, all need to enter the factory building and directly operate on the original structure.

[0003] However, in actual engineering, sometimes it is not allowed or not convenient to enter the factory building for construction. This is mainly due to the requirement of continuity of production process, the requirement of epidemic prevention of livestock breeding factory, etc. For some continuous production processes that cannot be interrupted, such as precision manufacturing, chemical production, etc., entering the factory building for construction may interfere with production, causing economic losses and even safety hazards. This brings great challenges to the construction that requires intensive personnel operation.

[0004] Therefore, under the above special circumstances, it is particularly important to design a structure system that can reinforce the original structure without entering the original building space. This system needs to be able to ensure the reinforcement effect while avoiding interference with the internal environment and use function of the factory building, so as to realize the safe and efficient installation of photovoltaic power generation components, and meet the specific use requirements of the factory building. This is not only an innovation of existing reinforcement technology, but also a key to promoting the application of photovoltaic power generation technology in a wider field. UTILITY MODEL CONTENTS

[0005] Therefore, the purpose of the utility model is to provide a light steel roof load increasing and reinforcing system, which can reinforce the original roof structure of the factory building without entering the original factory building, is convenient to construct, has little effect on the original roof structure, and enhances the bearing capacity and strength of the original roof structure.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The application discloses a light steel roof load-increasing reinforcing system, which comprises reinforcing units arranged outside an original roof structure and connected with each other and arranged along the length direction of a factory building where the original roof structure is located.

[0008] Optionally, the cable-strut structure comprises a first chord cable connected to the top of the vertical support at two ends and a second chord cable arranged at the lower part of the first chord cable, and the two ends of the second chord cable are connected to the top of the vertical support respectively; the first chord cable and the second chord cable are connected through a support arranged vertically; and the connecting piece is connected between the second chord cable and the original roof structure.

[0009] Optionally, the support is a reversed triangular support composed of three limiting support rods; the first chord cable comprises two chord cables arranged along the length direction of the factory building in sequence; and the connecting positions of adjacent limiting support rods are connected to the chord cable of the first chord cable or the second chord cable.

[0010] Optionally, the plane of the reversed triangular support is parallel to the length direction of the factory building.

[0011] Optionally, the first chord cable and the second chord cable form a reversed trapezoidal cable-strut structure.

[0012] Optionally, the vertical support comprises two support columns arranged side by side, and the top of adjacent support columns is connected through a support cross beam; the vertical support further comprises a support straight web member arranged between adjacent support columns and away from one side of the support cross beam; a support inclined web member is arranged between the support straight web member and the support cross beam, and the two ends of the support inclined web member are connected to the end of the support straight web member and the support cross beam respectively and connected to adjacent support columns.

[0013] Optionally, the connecting piece is a steel connecting rod.

[0014] Optionally, one end of the steel connecting rod is connected to the connecting position of the second chord cable and the support, and the other end is connected to the original roof structure.

[0015] Optionally, the two sides of the vertical support are further provided with a cable-stayed cable respectively, one end of the cable-stayed cable is connected to the top of the vertical support, and the other end is fixed to the ground.

[0016] Optionally, adjacent reinforcing units are connected through a steel beam.

[0017] The application has the following beneficial effects:

[0018] The utility model discloses a string structure and the original roof structure are combined, realize the efficient cooperation and complementation of both, greatly promote the bearing capacity of the original roof structure, and effectively crack the problem of needing to enter the inside construction of the factory building in traditional reinforcing method, especially in the factory building of strong production process continuity, high epidemic prevention requirement, avoid the influence of construction to normal operation, reduce the potential risk. The connecting piece, the support piece can be flexibly adjusted according to the bearing capacity of the original roof structure to ensure reinforcing effect. By the string of string structure tensioning locking, and fixed to the vertical support of both ends, can form the structure with certain vertical bearing capacity, the original roof structure is connected with string structure through steel connecting rod, to realize the deformation of both, bear the new vertical load, such as photovoltaic module load together. The utility model discloses improve the vertical bearing capacity of the original roof structure, and realize not directly reinforcing the original structure, avoid entering the indoor construction, the influence of the original roof structure is less, improve the utilization of the original factory building land space, and has the advantages such as convenient operation, adjustment effect is good.

[0019] Other advantages, objects and features of the present utility model will be in part apparent and in part pointed out hereinafter based on the accompanying drawings and detailed description, and will be elabrated to those skilled in the art based on the study of the following, or can be taught from the practice of the present utility model. The objects and other advantages of the present utility model can be realized and obtained by the following description. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the preferred detailed description of the utility model will be combined with the drawings below, wherein:

[0021] Fig. 1 It is the front view of the utility model;

[0022] Fig. 2 It is the side view of the support column in the utility model;

[0023] Fig. 3 It is the sectional view of the limiting support rod in the utility model;

[0024] Fig. 4 It is the top view schematic diagram of the utility model.

[0025] Reference signs:

[0026] 1 cable-stayed cable, 2 vertical support, 21 support column, 22 support crossbeam, 23 support straight web, 24 support inclined web, 3 original roof structure, 4 string structure, 41 first string, 42 second string, 43 connecting piece, 44 support piece, 441 limiting support rod, 5 reinforcing unit, 6 steel beam. DETAILED DESCRIPTION

[0027] The other advantages and effects of the present application can be easily understood by those skilled in the art from the disclosure of the specification. The present application can also be implemented or applied in other different specific embodiments, and various modifications or changes can be made to the details in the specification without departing from the spirit of the present application. It should be noted that the drawings provided in the following embodiments only illustrate the basic concept of the present application in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0028] The drawings are only used for exemplary illustration, and the representation is only a schematic diagram, not a physical diagram, and cannot be understood as a limitation of the present application. In order to better illustrate the embodiments of the present application, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product. It is understandable for those skilled in the art that some known structures and their descriptions in the drawings can be omitted.

[0029] The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components. In the description of the present application, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation of the present application. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0030] Please refer to Figs. 1-4 It is a kind of light steel roof load increasing reinforcement system, including a plurality of setting in the original roof structure 3 outside and mutually connected reinforcing unit 5, and along the length direction of the original roof structure 3 in the factory building sequentially set;Adjacent reinforcing unit 5 is connected by steel beam 6.Each reinforcing unit 5 includes the vertical support 2 of factory building width direction and side by side setting in the outside of factory building, the top of adjacent vertical support 2 in each reinforcing unit 5 is connected by cable-strut structure 4;Cable-strut structure 4 is connected with the upper part of original roof structure 3 by connecting piece 43.

[0031] The reinforcing system of the present application is directly connected to the original roof structure 3 by connecting piece 43, without entering the original building space for construction, solving the problem that construction reinforcement cannot be carried out in the factory building due to the requirement of production process cannot be interrupted.

[0032] The string cable structure 4 comprises a first string cable 41 connected to the top of the vertical support 2 at both ends, and a second string cable 42 arranged at the lower part of the first string cable 41, the two ends of the second string cable 42 being connected to the top of the vertical support 2 respectively; the first string cable 41 and the second string cable 42 are connected through the vertically arranged support 44. The connecting piece 43 is connected between the second string cable 42 and the original roof structure 3; the first string cable 41 and the second string cable 42 form an inverted trapezoidal string cable structure 4. The structural characteristics of the string cable structure 4 have certain structural stability, the string cable structure 4 is arranged on the vertical supports 2 on both sides and connected with the original roof structure 3, thereby enhancing the bearing capacity and stability of the original roof structure 3.

[0033] The support 44 is an inverted triangular support 44 composed of three limiting support rods 441; the first string cable 41 comprises two string cables arranged in sequence along the length direction of the factory building; the connecting parts of adjacent limiting support rods 441 are connected to the string cables of the first string cable 41 or the second string cable 42. The limiting support rods 441 are connected with the first string cable 41 and the second string cable 42 through clamps respectively. The plane where the inverted triangular support 44 is located is parallel to the length direction of the factory building. The triangular structure has strong structural stability, and the support 44 is arranged as an inverted triangular structure composed of three limiting support rods 441 to support and connect the first string cable 41 and the second string cable 42, thereby enhancing the structural stability of the string cable structure 4 itself.

[0034] The vertical support 2 comprises two support columns 21 arranged side by side, the top of adjacent support columns 21 being connected through a support cross beam; it also comprises a support straight web 23 arranged between adjacent support columns 21 and away from one side of the support cross beam, a support inclined web 24 being arranged between the support straight web 23 and the support cross beam 22, both ends of the support inclined web 24 being connected to the end parts of the support straight web 23 and the support cross beam 22 respectively and connected to adjacent support columns 21 respectively.

[0035] The vertical support 2 further comprises a cable-stayed cable 1 arranged on both sides respectively, one end of the cable-stayed cable 1 being connected to the top of the vertical support 2 and the other end being fixed to the ground.

[0036] The connecting piece 43 is a steel connecting rod. One end of the steel connecting rod is connected to the connecting part of the second string cable 42 and the support 44, and the other end is connected with the original roof structure 3. The steel connecting rod is connected with the second string cable 42 and the limiting support rods 441 of the support 44 in the form of bolt connection or welding, and is connected with the original roof structure 3 in the form of welding. The positions of the steel connecting rod and the support 44 between the first string cable 41 and the second string cable 42 can be flexibly adjusted according to the bearing capacity of the original roof structure 3, so as to adapt to various reinforcement projects of factory building roof structures.

[0037] By tensioning and locking the chord of the string cable structure 4, and fixing to the vertical support 2 at both ends, a structure with certain vertical bearing capacity can be formed; by connecting the original roof structure 3 and the string cable structure 4 through the steel connecting rod, the deformation of the two is realized, and the newly added vertical load, such as the photovoltaic component load, is borne together. The utility model improves the vertical bearing capacity of the original roof structure 3, and realizes the original structure without direct reinforcement, avoids indoor construction, and has the advantages of simple operation, good adjustment effect and the like. The utility model is suitable for the reinforcement of light steel roof, and is especially suitable for the engineering of adding photovoltaic power generation components on the roof of large-span factory building, and provides a more convenient reinforcement scheme for the photovoltaic power generation field.

[0038] Finally, it is explained that the above examples are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions, which should be covered in the scope of the claims of the utility model.

Claims

1. A load-bearing reinforcement system for light steel roofs, characterized in that: It includes several reinforcement units (5) set outside the original roof structure (3) and connected to each other, and arranged sequentially along the length of the factory building where the original roof structure (3) is located; each reinforcement unit (5) includes vertical supports (2) arranged side by side on both sides of the outside of the factory building along the width of the factory building, and the tops of adjacent vertical supports (2) in each reinforcement unit (5) are connected by a tension cable rod structure (4); the tension cable rod structure (4) is connected to the upper part of the original roof structure (3) through a connector (43).

2. The light steel roof load-bearing reinforcement system according to claim 1, characterized in that: The tensioned cable structure (4) includes a first cable (41) with both ends connected to the top of the vertical support (2), and a second cable (42) disposed below the first cable (41). The two ends of the second cable (42) are respectively connected to the top of the vertical support (2). The first cable (41) and the second cable (42) are connected by a vertically arranged support member (44). The connector (43) is connected between the second cable (42) and the original roof structure (3).

3. The light steel roof load-bearing reinforcement system according to claim 2, characterized in that: The support member (44) is an inverted triangular support member (44) composed of three limiting struts (441); the first string (41) includes two strings arranged sequentially along the length of the factory building; the connection of the adjacent limiting struts (441) is connected to the string of the first string (41) or the second string (42).

4. The light steel roof load-bearing reinforcement system according to claim 3, characterized in that: The plane of the inverted triangular support (44) is parallel to the length direction of the factory building.

5. The light steel roof load-bearing reinforcement system according to claim 2, characterized in that: The first chord (41) and the second chord (42) form an inverted trapezoidal tensioned cable structure (4).

6. The light steel roof load-bearing reinforcement system according to claim 1, characterized in that: The vertical support (2) includes two support columns (21) arranged side by side, with the tops of the adjacent support columns (21) connected by a support beam; it also includes a straight web member (23) of the support arranged between the adjacent support columns (21) and away from the support beam, and a diagonal web member (24) of the support is arranged between the straight web member (23) and the support beam (22), with the two ends of the diagonal web member (24) respectively connected to the ends of the straight web member (23) and the support beam (22), and respectively connected to the adjacent support columns (21).

7. The light steel roof load-bearing reinforcement system according to claim 2, characterized in that: The connecting member (43) is a steel connecting rod.

8. The light steel roof load-bearing reinforcement system according to claim 7, characterized in that: One end of the steel connecting rod is connected to the connection between the second chord (42) and the support (44), and the other end is connected to the original roof structure (3).

9. The light steel roof load-bearing reinforcement system according to claim 1, characterized in that: The vertical support (2) is also provided with inclined cables (1) on both sides. One end of the inclined cable (1) is connected to the top of the vertical support (2), and the other end is fixed to the ground.

10. The light steel roof load-bearing reinforcement system according to claim 1, characterized in that: The adjacent reinforcement units (5) are connected by steel beams (6).

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