High-strength combined steel member

By using trapezoidal wing plates and side wing plates, combined with staggered butt joint plates and bolted connections of reinforcing plates, the problem of insufficient stiffness and stability of existing composite steel components is solved, realizing a high-strength and stable composite steel component structure that can adapt to different load requirements.

CN223593541UActive Publication Date: 2025-11-25JINHUA ZHIXIN STEEL STRUCTURE CO LTD
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Patent Information

Application Number
CN202423124240.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-25
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

The existing composite steel components have multiple vertical openings that reduce the load-bearing cross-sectional area of ​​the flanges, thereby reducing the stiffness and stability of the structure. In extreme cases, they may not be able to meet the load-bearing capacity required by the design, posing a safety risk.

Method used

The design employs trapezoidal wing plates and side wing plates, combined with staggered butt plates, reinforcing plates, and triangular plates, and is bolted together to form a high-strength structure. The connecting grooves of the trapezoidal wing plates and the conical connecting parts provide self-locking performance, and the connecting holes disperse stress, enhancing the overall rigidity and resistance to bending and shear.

Benefits of technology

It improves the overall stiffness and bending and shear resistance of composite steel components, ensures a firm connection between components, enhances the stability and sealing performance of the structure, adapts to different load requirements, and reduces construction difficulty and logistics costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a high-strength combined steel member, which relates to the technical field of combined steel members and comprises two symmetrically arranged butt-joint pieces, butt-joint plates are respectively arranged on two sides of the two butt-joint pieces in a staggered manner, a reinforcing plate is arranged between the two butt-joint pieces, and a plurality of triangular plates are fixedly connected to adjacent ends of the two butt-joint pieces. According to the high-strength combined steel member, the trapezoidal wing plates and the side wing plates fixed to the two ends of the trapezoidal wing plates, the overall rigidity of the structure is improved, stress is dispersed through a reasonable geometrical shape, the stress concentration phenomenon is reduced, and the overall rigidity of the structure is improved. The reinforcing plate arranged between the two butt joint pieces and the triangular plates fixedly connected with the adjacent ends provide additional supporting points, and the bending resistance and the shearing resistance of the whole structure are enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to combined steel member technical field especially relates to a high strength combined steel member. BACKGROUND

[0002] With the improvement of people's science and technology level, various energy-saving and environment-friendly buildings emerge in an endless stream, and steel members need to be used in energy-saving and environment-friendly building construction, and the steel member refers to a steel structure combined member connected by connecting pieces through welding or hot rolling H-shaped steel cold bending or welding, which can bear and transfer load.

[0003] The Chinese utility model patent with the authorization announcement number CN221896047U discloses a light high-strength combined steel member, the upper wing plate, the lower wing plate, the web and the reinforcing plate can be detachably fixed, so that they can be independently disassembled and transported, the convenience is increased, the reinforcing plate can be installed or not installed according to needs, and the assembly plate can be disassembled and assembled to change the supporting strength of the device, so that different site requirements are met, and the adaptability is increased.

[0004] However, in the above operation, due to the existence of multiple vertically arranged holes, the effective bearing cross-sectional area of the wing plate is directly reduced, which reduces the ability of the wing plate to resist bending, shearing and other forms of load, and reduces the rigidity and stability of the entire structure. In extreme cases, this may result in the structure failing to meet the design requirements of the bearing capacity, thereby causing safety risks.

[0005] Therefore, it is necessary to provide a new high-strength combined steel member to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] To solve the above technical problems, the utility model provides a high-strength combined steel member.

[0007] The high-strength combined steel member provided by the utility model comprises two symmetrical butt joints, butt plates are staggered on the two sides of the two butt joints, a reinforcing plate is arranged between the two butt joints, a plurality of triangular plates are fixedly connected to the adjacent ends of the two butt joints, bolts are threadedly connected to the two ends of the two butt joints, and the ends of the bolts away from the butt joints penetrate the side wall of the reinforcing plate.

[0008] Further, the butt joint comprises a trapezoidal wing plate, side wing plates are fixedly connected to the two ends of the trapezoidal wing plate respectively, the bottom of the side wing plate is fixedly connected to the butt plate, and the top of the triangular plate is fixedly connected to the adjacent side of the trapezoidal wing plate and the side wing plate.

[0009] Further, at least two connecting grooves are arranged at the adjacent ends of the two trapezoidal wing plates.

[0010] Further, the upper and lower ends of the reinforcing plate protrude and form a connecting portion, and the connecting portion is provided in a tapered structure in cross section.

[0011] Further, the outer surface of the connecting portion is slidingly connected to the inner wall of the connecting groove.

[0012] Further, the side walls of the butt plate and the reinforcing plate are respectively provided with connecting holes, and the bolts sequentially penetrate the connecting holes of the side walls of the butt plate and the reinforcing plate.

[0013] Further, the butt plate is provided in a trapezoidal structure in cross section.

[0014] Compared with the related art, the high-strength combined steel member has the following beneficial effects:

[0015] The high-strength combined steel member, the trapezoidal wing plate and the side wing plates fixed at both ends thereof not only increase the overall rigidity of the structure, but also disperse stress and reduce stress concentration phenomenon through reasonable geometric shape, the reinforcing plate provided between the two butt pieces and the plurality of triangular plates fixedly connected at adjacent ends provide additional support points and enhance the bending and shearing resistance of the overall structure.

[0016] The butt plate is designed in a trapezoidal cross section, which is helpful to better resist bending deformation, and the connecting holes provided in the side wall of the butt plate allow the bolts to sequentially penetrate the side walls of the butt plate and the reinforcing plate, thereby ensuring the firm connection between the components, and in addition, this design is also convenient for installing other components and provides better sealing performance. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The drawing shows the overall structure of the high-strength combined steel member provided by the utility model;

[0018] Figure 2 The drawing shows the overall structure of the high-strength combined steel member provided by the utility model;

[0019] Figure 3 The drawing shows the structure of the butt piece provided by the utility model.

[0020] In the drawing, 1, trapezoidal wing plate; 2, connecting groove; 3, side wing plate; 4, triangular plate; 5, butt plate; 6, connecting hole; 7, bolt; 8, reinforcing plate; 9, connecting portion. DETAILED DESCRIPTION

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Please refer to the following: Figure 1 , Figure 2 as well as Figure 3 , Figure 1 A schematic diagram of the overall structure of the high-strength composite steel component provided by this utility model; Figure 2 A cross-sectional structural schematic diagram of the high-strength composite steel component provided by this utility model; Figure 3 A schematic diagram of the structure of the docking component provided by this utility model.

[0023] In the specific implementation process, such as Figures 1 to 3 As shown, the high-strength composite steel component provided by this utility model includes two symmetrically arranged docking parts. The two docking parts are respectively staggered with docking plates 5 on both sides. A reinforcing plate 8 is provided between the two docking parts. Multiple triangular plates 4 are fixedly connected to the adjacent ends of the two docking parts. Bolts 7 are threadedly connected to both ends of the two docking parts, and the end of the bolt 7 away from the docking part penetrates through the side wall of the reinforcing plate 8.

[0024] Each component can be transported independently and quickly assembled or disassembled on site, reducing logistics costs and on-site construction difficulty. It adapts to the needs of different sites, and the number and position of the reinforcing plates 8 can be flexibly adjusted according to actual needs to meet different load requirements, thus improving the product's versatility and adaptability.

[0025] Multiple triangular plates 4 are fixedly connected to the adjacent ends of the two mating parts. This triangular support structure can effectively distribute the force to a larger area, improve the load-bearing capacity at the node, and increase the overall stiffness of the structure.

[0026] The docking component includes a trapezoidal wing plate 1, with side wing plates 3 fixedly connected to both ends of the trapezoidal wing plate 1. The bottom of the side wing plate 3 is fixedly connected to the docking plate 5, and the top of the triangular plate 4 is fixedly connected to the adjacent sides of the trapezoidal wing plate 1 and the side wing plate 3.

[0027] At least two connecting grooves 2 are provided at the adjacent ends of the two trapezoidal wing plates 1. The upper and lower ends of the reinforcing plate 8 protrude and form connecting parts 9. The cross-section of the connecting parts 9 is set in a conical structure. The outer surface of the connecting parts 9 is slidably connected to the inner wall of the connecting groove 2.

[0028] The sliding connection of the two abutting pieces through the taper connecting part 9 and the inner wall of the connecting groove 2 of the trapezoidal wing plate 1 provides good self-locking performance, ensures the close fit between the parts, and enhances the stability and shear strength of the overall structure.

[0029] The side walls of the abutting plate 5 and the reinforcing plate 8 are respectively provided with connecting holes 6, and the bolts 7 are sequentially penetrated through the connecting holes 6 of the side walls of the abutting plate 5 and the reinforcing plate 8.

[0030] The outer side of the connecting hole 6 can be provided with a reinforcing ring to disperse the concentrated stress brought by the bolt 7 and prolong the service life.

[0031] The working principle of the utility model is as follows: in the specific implementation,

[0032] During installation, the two abutting plates 5 arranged in a staggered manner are abutted by abutting the two abutting pieces up and down, and then the reinforcing plate 8 is pushed into the connecting groove 2 formed in the two trapezoidal wing plates 1 until the two ends of the reinforcing plate 8 are flush with the trapezoidal wing plates 1, at this time, the connecting holes 6 of the abutting plate 5 and the reinforcing plate 8 are in a flush state, the bolt 7 is penetrated through the inner abutting plate 5 and the adjacent reinforcing plate 8 from the outer abutting plate 5, and then locked by the nut, so that the assembly of the two abutting pieces is completed.

[0033] In the description of the utility model, it should be understood that the terms "upper", "lower", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation structure and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0034] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A high-strength composite steel member, characterized by, Two symmetrical butt joints are provided, butt plates (5) are staggered on both sides of the two butt joints, a reinforcing plate (8) is arranged between the two butt joints, a plurality of triangular plates (4) are fixedly connected to the adjacent ends of the two butt joints, bolts (7) are threadedly connected to the two ends of the two butt joints, and the ends of the bolts (7) away from the butt joints penetrate the side wall of the reinforcing plate (8).

2. The high strength composite steel structural member of claim 1, wherein, The butt joint comprises trapezoidal wing plates (1), the two ends of each trapezoidal wing plate (1) are fixedly connected with side wing plates (3), the bottom of each side wing plate (3) is fixedly connected with a butt plate (5), and the top of each triangular plate (4) is fixedly connected with the adjacent side of the trapezoidal wing plate (1) and the side wing plate (3).

3. The high strength composite steel structural member of claim 2, wherein, At least two connecting grooves (2) are formed in the adjacent ends of the two trapezoidal wing plates (1).

4. The high strength composite steel structural member of claim 3, wherein, The upper and lower ends of the reinforcing plate (8) are protruded and form connecting portions (9), and the cross section of the connecting portion (9) is in a tapered structure.

5. The high strength composite steel structural member of claim 4, wherein, The outer surface of the connecting portion (9) is slidingly connected to the inner wall of the connecting groove (2).

6. The high strength composite steel structural member of claim 5, wherein, Connecting holes (6) are formed in the side walls of the butt plate (5) and the reinforcing plate (8), and the bolt (7) penetrates the connecting holes (6) of the side walls of the butt plate (5) and the reinforcing plate (8) in sequence.

7. The high strength composite steel structural member of claim 6, wherein, The cross section of the butt plate (5) is in a trapezoidal structure.

Citation Information

Patent Citations

  • Light high-strength combined steel member

    CN221896047U