Steel structure purline reinforcing structure
By fixing gusset plates to the inner side of the purlin and setting angle steel in the inner cavity, a box-shaped cross-section structure is formed, which solves the problem of insufficient ultimate bearing capacity and bending stiffness of the purlin and improves the stability and stiffness of the component.
Patent Information
- Application Number
- CN202520231910.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-13
AI Technical Summary
The existing steel purlins have poor ultimate bearing capacity and bending stiffness, making it difficult to meet building requirements.
A lacing plate is fixed to the inner side of the rolled edge of the purlin to form a box-shaped section. Two angle steels are installed in the C-shaped inner cavity of the purlin. The angle steels are used to reinforce the joint between the web and the flange of the purlin. The stability of the component is improved by utilizing the thickness of the angle steel and the fit of the lacing plate.
It improves the ultimate bearing capacity and bending stiffness of purlins, enhances the overall stability of components, and is simple to construct without affecting the production process.
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Figure CN223706865U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a steel structure purlin technical field, concretely relates to a steel structure purlin reinforcing structure. BACKGROUND
[0002] The steel structure purlin is simple in structure and convenient to install, in the steel structure building, the purlin and the roof truss, the roof beam and the like component constitute the complete roof structure system together, through the connection with the roof truss or roof beam, form a space structure, enhance the overall rigidity and stability of roof.
[0003] The commonly used steel structure purlin is mostly C-shaped structure, however the ultimate bearing capacity and the bending stiffness of C-shaped structure purlin are poor. For this reason, the utility model discloses CN217680735U discloses a section increasing reinforcing structure of existing edge C type steel purlin, the two edges of edge C type steel purlin are fixedly provided with the patch plate, the originally open edge C section is equivalent to the closed rectangular section, and the stability bearing capacity of the section is improved. However, since the main body of the steel structure purlin in the scheme is a C-shaped cold-formed thin-walled steel member, the ultimate bearing capacity is still low. UTILITY MODEL CONTENTS
[0004] In view of the above defects, the technical problem to be solved by the utility model is to provide a steel structure purlin reinforcing structure to solve the problem of low ultimate bearing capacity in the prior art.
[0005] Therefore, the application provides a steel structure purlin reinforcing structure, which comprises a purlin and a patch plate, the purlin is a C-shaped cold-formed steel member, further comprising two angle steels, the angle steel comprises a first side and a second side arranged perpendicularly to each other, the first sides of the two angle steels are fixedly attached to the web of the purlin respectively, and the second sides are attached to the flanges of the purlin respectively; the patch plate is fixed on the inner side surfaces of the two edges of the purlin, forming a box-shaped section.
[0006] Based on the above technical scheme, in the application, the patch plate is fixed on the inner side surfaces of the two edges of the purlin, forming a box-shaped section; two angle steels are arranged in the C-shaped cavity of the purlin, the joint between the web and the flange of the purlin is reinforced twice by the angle steels, the deformation resistance of the web and the flange is improved, the ultimate bearing capacity of the component is improved, the bending stiffness of the component is improved, and the overall stability of the component is improved.
[0007] In the above technical scheme, preferably, the height of the first side is greater than the height of the second side. This implementation mode can make full use of the inner cavity space of the purlin to improve the ultimate bearing capacity.
[0008] In the above technical scheme, preferably, the thickness of the angle steel is greater than the thickness of the plate of the purlin.
[0009] In the technical scheme, preferably, the thickness of the patch plate is the same as the thickness of the purlin plate.
[0010] In the technical scheme, preferably, the angle steel is fixed to the web of the purlin by bolts or self-tapping screws, and the patch plate is fixed to the inner side of the two curled edges of the purlin by self-tapping screws. By fixing the patch plate and the angle steel by self-tapping screws, the existing steel structure purlin can be conveniently reinforced.
[0011] From the above technical scheme, the steel structure purlin reinforcing structure provided by the utility model solves the problem of low ultimate bearing capacity of the prior art. Compared with the prior art, the utility model has the following beneficial effects:
[0012] The patch plate is fixed to the inner side of the two curled edges of the purlin to form a box-shaped cross section; the C-shaped inner cavity of the purlin is provided with two angle steels, the joint between the web and the flange of the purlin is reinforced by the angle steels, the deformation resistance of the web and the flange is improved, the ultimate bearing capacity of the component is improved, the bending stiffness of the component is improved, and the overall stability of the component is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical schemes in the prior art, the following will briefly introduce and describe the drawings needed in the description of the embodiments of the utility model or the prior art. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0014] Figure 1 The schematic diagram of the steel structure purlin reinforcing structure provided by the utility model is shown in the figure.
[0015] Figure 2 The sectional view of the steel structure purlin reinforcing structure is shown in the figure. Figure 1 The sectional view of the steel structure purlin reinforcing structure is shown in the figure.
[0016] Figures 1-2 In the technical scheme, the corresponding relationship of the parts is as follows:
[0017] Purlin 10, patch plate 20, first self-tapping screw 30, angle steel 40, second self-tapping screw 50;
[0018] First side edge 41, second side edge 42. DETAILED DESCRIPTION
[0019] The technical solutions and implementation manners of the utility model will be clearly and completely described below in combination with the drawings of the utility model embodiments. Obviously, the following described embodiments are only some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0020] In order to make the technical solutions and implementation manners of the utility model clearer and more understandable, the following introduces several preferred specific embodiments for implementing the technical solutions of the utility model.
[0021] It should be noted that the direction words such as "inner", "outer", "front", "rear", "left" and "right" in this paper are described based on the product use state as the reference object. Obviously, the use of the corresponding direction words does not constitute a limitation on the protection scope of the scheme.
[0022] As shown in Figure 1 , Figure 2 The utility model provides a kind of steel structure purline reinforcing structure, including purline 10 and patch plate 20, purline 10 is C type cold bending steel member, patch plate 20 is fixed on the inner side of the two edge flanging of purline 10 by first self-tapping screw 30, and forms box section.
[0023] Two angle steels 40 are further provided in the inner cavity of purline 10, and the angle steel 40 includes a first side edge 41 and a second side edge 42 arranged perpendicularly to each other, the first side edge 41 of the two angle steels is respectively attached to the web of the purline 10, and the second side edge is respectively attached to the flange of the purline 10, and the angle steel 40 is fixed to the web of the purline 10 by bolts or second self-tapping screws 50.
[0024] The above steel structure purline reinforcing structure, through the angle steel, the web and the flange of the purline 10 are combined and reinforced twice, the deformation resistance of the web and the flange is improved, the ultimate bearing capacity of the component is improved, the bending stiffness of the component is improved, and the overall stability of the component is improved.
[0025] In the utility model, the height of the first side edge 41 is greater than the height of the second side edge 42, and the thickness of the angle steel 40 is greater than the thickness of the plate of the purline 10. Thus, the inner cavity space of the purline 10 can be fully utilized to improve the ultimate bearing capacity.
[0026] The thickness of the patch plate 20 is the same as the thickness of the plate of the purline 10.
[0027] The application scheme can be used for reinforcing the existing steel structure purline. The specific construction method is as follows:
[0028] The angle steel is inserted into the purline 10, the short edge is close to the flange of the purline, the long edge is close to the web of the purline, and is fixed to the web of the purline by bolts or self-tapping screws.
[0029] The C-shaped purline is tightly contacted with the inner side of the C-shaped purline edge, and is connected through self-tapping screw.
[0030] The construction scheme solves the problem of insufficient construction space in purline reinforcement, and only needs to be fixed with the original purline through self-tapping screw, which is simple to operate.
[0031] Compared with the prior art, the steel structure purline reinforcing structure and the steel structure purline reinforcing structure have the following advantages:
[0032] First, the combination part of the web and the flange of the purline is reinforced twice through the angle steel, the anti-deformation ability of the web and the flange is improved, the ultimate bearing capacity of the member is improved, the bending stiffness of the member is improved, and the overall stability of the member is improved.
[0033] Second, the height of the first side of the angle steel is greater than the height of the second side, so that the inner cavity space of the purline can be fully utilized, and the ultimate bearing capacity is improved.
[0034] Finally, it should be noted that the terms "include", "contain" or any other variants used in this text are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device. Without more limitations, the element defined by the statement "includes one" does not exclude the presence of other identical elements in the process, method, article or device including the element.
[0035] The utility model is not limited to the above-mentioned best implementation, any person should know that the structural change made under the inspiration of the utility model, any technical scheme with the same or similar to the utility model falls into the protection scope of the utility model.
Claims
1. A steel structural purlin reinforcement structure comprising a purlin and a patch, the purlin being a C-shaped cold-formed steel member, characterized in that, Also included are: Two angle steels, the angle steels including first side edges and second side edges arranged perpendicularly to each other, the first side edges of the two angle steels being fixedly attached to the webs of the purlins respectively, and the second side edges being attached to the flanges of the purlins respectively; The patch plates are fixed on the inner side surfaces of the two crimped edges of the purlins, forming a box-shaped cross section.
2. The steel purlin reinforcement structure according to claim 1, characterized by, The height of the first side edge is greater than the height of the second side edge.
3. The steel purlin reinforcement structure according to claim 1, characterized by, The thickness of the angle steel is greater than the thickness of the plate of the purlin.
4. The steel purlin reinforcement structure of claim 1, wherein The thickness of the patch plate is the same as the thickness of the plate of the purlin.
5. The steel purlin reinforcement structure of claim 1, wherein The angle steel is fixed to the web of the purlin by bolts or self-tapping screws, and the patch plate is fixed on the inner side surfaces of the two crimped edges of the purlin by self-tapping screws.
Citation Information
Patent Citations
Section-increasing reinforcing structure of existing curled edge C-shaped steel purline
CN217680735U