Device for reinforcing simply supported C-shaped purline into continuous purline
By installing C-shaped steel purlins on the inner side of the simple-branched C-shaped purlin and connecting them by bolts to form continuous purlins, the problems of middle-span deflection and stress concentration in buildings with large spans or heavy loads are solved, the structure's load-bearing capacity and stability are improved, and the structural safety is improved.
Patent Information
- Application Number
- CN202421370420.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-06-14
AI Technical Summary
In buildings with large spans or heavy loads, existing simply supported C-type purlins have problems with mid-span deflection and stress concentration, and the solution to transform them into continuous purlins is complex and expensive, and the construction is difficult.
A device for reinforcement of continuous purlins is designed to form a continuous purlin by installing C-shaped steel purlins on the inner side of the simple-branched C-shaped purlins and connecting them by bolts. The inner lined C-shaped steel purlin is a symmetrical split structure with gaps and a thickness greater than that of simply supported C-shaped purlins, which meets the connection needs of different spans.
Through continuous reinforcement, the bearing capacity and overall stability of the simple-supported C-type purlin structure is improved, the middle span deflection is reduced, and the structural safety is improved. It is suitable for scenes where purlin continuity needs to be enhanced in roof structure renovation or new construction projects of existing buildings.
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Figure CN222893871U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel structure roof reinforcement in the construction field, in particular to a device for reinforcing simply supported C-shaped purlins in the form of continuous purlins, and is mainly suitable for reinforcing C-shaped purlins. Background Art
[0002] At present, with the rapid development of light steel structure technology in my country, light steel structure is a widely used modern building structure form. It is widely used in various types of buildings due to its advantages of light weight, high strength, fast construction speed and environmental protection. It is suitable for various types of buildings such as industrial plants, warehouses, sports facilities, commercial centers, residences and temporary buildings.
[0003] Simply supported C-shaped purlins are used in light steel structures (such as Figure 1 However, for buildings with large spans or heavy loads, the mid-span deflection and stress concentration of simply supported purlins have become the main factors limiting their application. Although the continuous purlin design can effectively alleviate these problems, the solution of transforming simply supported purlins into continuous purlins in the prior art is often complicated and costly, and the construction is difficult. Summary of the invention
[0004] The technical problem to be solved by the utility model is: in order to solve the problems existing in the prior art in the above-mentioned background technology, a device for reinforcing simply supported C-shaped purlins into continuous purlins is provided.
[0005] The technical solution adopted by the utility model to solve the technical problem is: a device for reinforcing a simply supported C-shaped purlin in the form of a continuous purlin, which is used to be installed at the connection between adjacent simply supported C-shaped purlins, and includes a lining C-shaped steel purlin, the inner side of the simply supported C-shaped purlin is installed with a lining C-shaped steel purlin, and the simply supported C-shaped purlin and the lining C-shaped steel purlin are connected by bolts; the lining C-shaped steel purlin is a symmetrical split structure, which is divided into an upper lining purlin and a lower lining purlin, and there is a gap between the upper lining purlin and the lower lining purlin; there is a gap between the curling edge of the upper lining purlin and the corresponding curling edge of the simply supported C-shaped purlin, and there is a gap between the curling edge of the lower lining purlin and the corresponding curling edge of the simply supported C-shaped purlin.
[0006] Furthermore, the thickness of the inner-lined C-shaped steel purlin is greater than the thickness of the simply supported C-shaped purlin.
[0007] Furthermore, the height of the curling edge of the upper inner lining purlin is equal to the height of the curling edge of the simply supported C-shaped purlin; the height of the curling edge of the lower inner lining purlin is equal to the height of the curling edge of the simply supported C-shaped purlin.
[0008] Furthermore, the web and flange of the inner-lined C-shaped steel purlin are respectively arranged to fit with the web and flange of the simply supported C-shaped purlin.
[0009] Furthermore, a plurality of screw holes corresponding to the web plate surface of the simply supported C-shaped purlin are opened on the web plate surface of the inner lining C-shaped steel purlin.
[0010] Furthermore, it also includes a roof steel beam and a roof purlin support, the roof steel beam is equipped with a roof purlin support, and the roof purlin support is equipped with a simply supported C-shaped purlin.
[0011] Furthermore, the cross-sectional shapes of the upper inner lining purlin and the lower inner lining purlin are both "L" shaped.
[0012] Furthermore, the inner lining C-shaped steel purlin is an inner lining C-shaped steel purlin with adjustable length, and the inner lining C-shaped steel purlin is an inner lining C-shaped steel purlin made of a high-lightweight lightweight material.
[0013] Beneficial effects of the utility model: The utility model improves the bearing capacity and overall stability of the existing simply supported C-shaped purlin structure through continuous reinforcement, effectively reduces the mid-span deflection, and improves the structural safety. It is particularly suitable for the roof structure renovation of existing buildings or the scene where the continuity of the purlin needs to be enhanced in new projects;
[0014] The device achieves continuous reinforcement of simply supported C-shaped purlins through a simple and efficient connection method, optimizes structural stress, ensures good adaptability and maintainability, facilitates subsequent inspection and maintenance, reduces material consumption, and improves construction efficiency and economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0016] Figure 1 It is a stereogram of the prior art;
[0017] Figure 2 It is a structural schematic diagram of the utility model;
[0018] Figure 3 It is a three-dimensional diagram of the utility model;
[0019] Figure 4 It is a schematic diagram of the connection between the simply supported C-shaped purlin and the lined C-shaped steel purlin of the utility model;
[0020] Figure 5 It is a structural schematic diagram of the utility model lined with C-shaped steel purlins;
[0021] In the figure: 1. Simply supported C-type purlin, 2. Upper lining purlin, 3. Lower lining purlin, 4. Roof steel beam, 5. Roof purlin support, 6. Screw hole. DETAILED DESCRIPTION
[0022] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0023] The purlin comprises a web, and flanges are arranged at both upper and lower ends of the web, and curling edges are arranged at the suspended ends of the flanges.
[0024] like Figures 1 to 5 The device for reinforcing a simply supported C-shaped purlin into a continuous purlin is shown, which is used to be installed at the connection between adjacent simply supported C-shaped purlins 1, including a lining C-shaped steel purlin, a roof steel beam 4 and a roof purlin bracket 5, wherein the roof steel beam 4 is installed with the roof purlin bracket 5, and the roof purlin bracket 5 is installed with a simply supported C-shaped purlin 1, and the inner side of the simply supported C-shaped purlin 1 is installed with a lining C-shaped steel purlin, and the simply supported C-shaped purlin 1 and the lining C-shaped steel purlin are connected by bolts to form a continuous purlin, and the loading and unloading can be completed by disassembling the bolts;
[0025] The inner lining C-shaped steel purlin is of adjustable length, which can meet the connection requirements of simply supported C-shaped purlins 1 of different spans; the inner lining C-shaped steel purlin is made of high-lightweight and lightweight materials, which can ensure the safety of the structure while reducing the deadweight;
[0026] like Figure 5 As shown, the inner lining C-shaped steel purlin is a symmetrical split structure, which is divided into an upper inner lining purlin 2 and a lower inner lining purlin 3. The cross-sectional shapes of the upper inner lining purlin 2 and the lower inner lining purlin 3 are both "L"-shaped, and there is a gap between the upper inner lining purlin 2 and the lower inner lining purlin 3;
[0027] There is a gap between the curling edge of the upper lining purlin 2 and the corresponding curling edge of the simply supported C-shaped purlin 1 , and there is a gap between the curling edge of the lower lining purlin 3 and the corresponding curling edge of the simply supported C-shaped purlin 1 .
[0028] Wherein, the thickness of the inner-lined C-shaped steel purlin is greater than the thickness of the simply supported C-shaped purlin 1 .
[0029] In addition, the height of the curling of the upper inner lining purlin 2 is equal to the height of the curling of the simply supported C-shaped purlin 1; the height of the curling of the lower inner lining purlin 3 is equal to the height of the curling of the simply supported C-shaped purlin 1.
[0030] like Figure 4 As shown, it can be seen that the web and flange of the inner lining C-shaped steel purlin are respectively arranged in close contact with the web and flange of the simply supported C-shaped purlin 1.
[0031] like Figures 2-3As shown, a plurality of screw holes 6 corresponding to the web plate surface of the simply supported C-shaped purlin 1 are provided on the web plate surface of the lining C-shaped steel purlin, and the number of screw holes 6 is eight at each of the web plates at both ends, and four screw holes 6 are provided near the connection between adjacent simply supported C-shaped purlins 1, and four screw holes 6 are provided at both ends of the lining C-shaped steel purlin away from the connection. The cooperation of the screw holes 6 and the bolts makes it easier to reinforce the purlins in the scenarios where the continuity of the purlins needs to be enhanced in the roof structure renovation of the existing building or the new construction project, and further improves the safety factor, such as fire.
[0032] Installation steps:
[0033] Step 1: Take two steel plates and make the steel plates into an upper inner lining purlin 2 and a lower inner lining purlin 3, the sizes of which match the size of the simply supported C-shaped purlin 1;
[0034] Step 2: Screw holes 6 are provided on the webs of the upper inner lining purlin 2 and the lower inner lining purlin 3;
[0035] Step 3: According to the design requirements, the upper lining purlin 2 and the lower lining purlin 3 are symmetrically installed in the simply supported C-shaped purlin 1 at the designated positions of the adjacent simply supported C-shaped purlin 1, with a gap between the upper lining purlin 2 and the lower lining purlin 3, and then the simply supported C-shaped purlin 1, the upper lining purlin 2 and the lower lining purlin 3 are installed by bolts to form a continuous structure; at this time, the simply supported The web of the C-shaped purlin 1 fits with the webs of the upper lining purlin 2 and the lower lining purlin 3, the upper and lower flanges of the simply supported C-shaped purlin 1 fit with the flanges of the upper lining purlin 2 and the lower lining purlin 3 respectively, and there is a gap between the curling edge of the simply supported C-shaped purlin 1 and the curling edges of the upper lining purlin 2 and the lower lining purlin 3, thereby completing the reinforcement of the simply supported C-shaped purlin into a continuous purlin.
[0036] Therefore, through the above steps, it can be seen that the present application allows rapid on-site assembly without the need for complex construction techniques, thus reducing construction difficulty and time costs; at the same time, it provides an efficient and economical reinforcement solution for existing and newly built steel structure buildings, enhances the bearing capacity and stability of the structure, and has broad market application prospects and significant social and economic benefits.
[0037] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A device for reinforcing a simply supported C-shaped purlin in the form of a continuous purlin, for installation at the connection between adjacent simply supported C-shaped purlins (1), characterized in that: It comprises an inner lining C-shaped steel purlin, wherein the inner side of the simply supported C-shaped purlin (1) is provided with the inner lining C-shaped steel purlin, and the simply supported C-shaped purlin (1) and the inner lining C-shaped steel purlin are connected by bolts; The inner lining C-shaped steel purlin is a symmetrical split structure, which is divided into an upper inner lining purlin (2) and a lower inner lining purlin (3), and there is a gap between the upper inner lining purlin (2) and the lower inner lining purlin (3); There is a gap between the curling edge of the upper lining purlin (2) and the corresponding curling edge of the simply supported C-shaped purlin (1). There is a gap between the curling edge of the lower lining purlin (3) and the corresponding curling edge of the simply supported C-shaped purlin (1).
2. The device for reinforcing a simply supported C-shaped purlin into a continuous purlin according to claim 1, characterized in that: The thickness of the inner-lined C-shaped steel purlin is greater than the thickness of the simply supported C-shaped purlin (1).
3. The device for reinforcing a simply supported C-shaped purlin into a continuous purlin according to claim 1, characterized in that: The height of the curling edge of the upper inner lining purlin (2) is equal to the height of the curling edge of the simply supported C-shaped purlin (1); The height of the curling edge of the lower inner lining purlin (3) is equal to the height of the curling edge of the simply supported C-shaped purlin (1).
4. The device for reinforcing a simply supported C-shaped purlin into a continuous purlin according to claim 1, characterized in that: The web and flange of the inner-lined C-shaped steel purlin are respectively arranged to fit with the web and flange of the simply supported C-shaped purlin (1).
5. The device for reinforcing a simply supported C-shaped purlin into a continuous purlin according to claim 1, characterized in that: A plurality of screw holes (6) corresponding to the web plate surface of the simply supported C-shaped purlin (1) are provided on the web plate surface of the inner lining C-shaped steel purlin.
6. The device for reinforcing a simply supported C-shaped purlin into a continuous purlin according to claim 1, characterized in that: It also comprises a roof steel beam (4) and a roof purlin bracket (5), wherein the roof steel beam (4) is mounted with the roof purlin bracket (5), and the roof purlin bracket (5) is mounted with a simply supported C-shaped purlin (1).
7. The device for reinforcing a simply supported C-shaped purlin into a continuous purlin according to claim 1, characterized in that: The cross-sectional shapes of the upper inner lining purlin (2) and the lower inner lining purlin (3) are both "L" shaped.
8. The device for reinforcing a simply supported C-shaped purlin into a continuous purlin according to claim 1, characterized in that: The inner lining C-shaped steel purlin is an inner lining C-shaped steel purlin with adjustable length, and the inner lining C-shaped steel purlin is an inner lining C-shaped steel purlin made of a high-light and lightweight material.