Steel structure and metal roof keel connecting structure
By designing adapters, welding, and bolting connections in the connection structure between the steel structure and the metal roof joists, and by setting reinforcing ribs, the problem of easy deformation during thermal expansion and contraction of traditional connection structures is solved, thus achieving the stability and safety of the connection and reducing construction difficulty and cost.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-10
AI Technical Summary
The connection structure between traditional steel structures and metal roofs is prone to deformation during thermal expansion and contraction, posing a safety risk.
Design a connection structure between a steel structure and a metal roof keel. By using adapters to leave gaps and deformation space between the steel structure and the main metal roof keel, and combining welding and bolt connections, the connection stability is enhanced, and reinforcing ribs are set to disperse stress.
Reduce deformation of the connection structure, improve safety, ensure that the structure does not loosen or deform during long-term use, reduce construction difficulty, and improve construction efficiency.
Smart Images

Figure CN224106729U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to metal roof rafter structure technical field, concretely is a steel structure and metal roof rafter connecting structure. BACKGROUND
[0002] The building industry is the pillar industry of the national economy. Since the reform and opening up, the building industry in China has developed rapidly, the construction capacity has been continuously enhanced, the industrial scale has been continuously expanded, a large number of rural transferred labor forces have been absorbed, a large number of related industries have been driven, and important contributions have been made to economic and social development, urban and rural construction and improvement of people's livelihood. In recent years, more and more new building projects begin to widely use metal roofs. The metal roof has the advantages of environmental protection, energy saving, light weight, long service life, convenient installation, fashion and beauty, etc. It has incomparable advantages over other traditional roofs, and meets the extensive needs of the building decoration market.
[0003] The traditional steel structure and metal roof connecting structure adopts a complete fixed structure, and the stress and strain effect caused by thermal expansion and cold contraction of the material is obvious, which leads to easy deformation of the connecting part and safety risks.
[0004] Therefore, in view of the above technical problems, it is necessary to provide a steel structure and metal roof rafter connecting structure. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a steel structure and metal roof rafter connecting structure, leaving a gap and deformation space for the adapter and the main roof rafter, thereby reducing the deformation of the connecting structure, increasing the safety of the existing connecting structure, and reducing the safety risk.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A steel structure and metal roof rafter connecting structure, comprising a steel structure main body, an adapter, a metal roof rafter and a main rafter, the metal roof rafter is connected with the steel structure main body, and the main rafter is connected with the steel structure main body through the adapter.
[0008] Preferably, the upper part of the adapter is welded to the lower part of the steel structure main body.
[0009] Preferably, one side edge of the lower part of the adapter is welded to one main rafter, and the other side edge of the lower part of the adapter is welded with a first plug core plate, and the first plug core plate is connected with the other main rafter through a bolt.
[0010] Preferably, a first reinforcing rib plate is arranged between the adapter and one main rafter.
[0011] Preferably, a second reinforcing rib plate is arranged between the first plug core plate and the adapter.
[0012] Preferably, the metal roof ridge is connected to the upper part of the steel structure body through a second plug core plate, the metal roof ridge is connected to the second plug core plate through bolts, and the second plug core plate is welded to the steel structure body.
[0013] Preferably, the steel structure body adopts an I-shaped steel, and the first plug core plate and the second plug core plate both adopt a "[]" shaped channel steel.
[0014] Preferably, the first plug core plate and the second plug core plate are provided with a plurality of strip slot holes through which bolts pass.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] 1. The utility model discloses that the adapter, the plug core plate, the metal roof main ridge and the steel structure body leave out a gap and a deformation space, thereby reducing the deformation of the connecting structure, increasing the safety of the existing connecting structure, and reducing the safety risk.
[0017] 2. The utility model discloses that the combination of welding and bolt connection and the arrangement of the reinforcing rib plate greatly improve the stability of the connection of the steel structure and the metal roof ridge, and ensure that the structure does not appear loose and deformation in the long-term use.
[0018] 3. The arrangement of the strip slot hole can adjust the bolt installation position, is convenient for positioning and installation in the construction process, reduces the construction difficulty, and improves the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is the structural drawing of the utility model;
[0020] Figure 2 And Figure 3 It is the connecting structure drawing of the adapter and the main ridge of the utility model;
[0021] Figure 4 It is the connecting structure drawing of the steel structure body and the metal roof ridge of the utility model;
[0022] Figure 5 And Figure 6 It is the first plug core plate structure drawing of the utility model.
[0023] The figure mark: 1, steel structure main body;2, adapter;3, metal roof purlin;4, main purlin;5, first plug core plate;6, second plug core plate;7, first reinforcing rib plate;8, second reinforcing rib plate;9, strip slot hole;10, third reinforcing rib plate;11, roof aluminum veneer. DETAILED DESCRIPTION
[0024] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0025] The embodiments of the utility model are described in detail below in combination with the drawings, but the utility model can be implemented in multiple different ways limited and covered by the claims.
[0026] As Figure 1 And combining Figures 2 to 6 It is shown that a steel structure and metal roof purlin connecting structure, including steel structure main body 1, adapter 2, metal roof purlin 3 and main purlin 4, metal roof purlin 3 is connected with steel structure main body 1, main purlin 4 is connected with steel structure main body 1 by adapter 2.
[0027] Further, the upper portion of the adapter 2 is welded to the lower portion of the steel structure main body 1;Metal roof purlin 3 installs metal roof aluminum veneer 11.
[0028] The beneficial effects of the above technical solution are that the upper portion of the adapter 2 is welded to the lower portion of the steel structure main body 1, the welding connection mode can provide high connection strength and stability, so that the adapter 2 and the steel structure main body 1 become a whole, can better withstand the load from the main purlin 4 and the roof, reduce the risk of loosening or deformation of the connecting part, and improve the reliability of the whole structure.
[0029] Further, one side edge of the lower portion of the adapter 2 is welded to one of the main purlins 4, and the other side edge of the lower portion of the adapter 2 is welded to the first plug core plate 5, and the first plug core plate 5 is connected to the other main purlin 4 by bolts.
[0030] The beneficial effects of the above technical solution are that one side edge of the lower portion of the adapter 2 is welded to the main purlin 4, ensuring the strength of the connection;The other side edge is welded to the first plug core plate 5 and connected to the other main purlin 4 by bolts. This combination of welding and bolt connection not only ensures the stability of the structure, but also provides a certain flexibility. The bolt connection is convenient for fine adjustment during construction to adapt to different installation sizes and position requirements, and when maintaining or replacing the main purlin 4 later, only the bolts need to be removed, reducing the maintenance cost and difficulty.
[0031] Further, a first reinforcing rib plate 7 is provided between the adapter 2 and one of the main purlins 4.
[0032] The beneficial effects of the above technical solutions are: the first reinforcing rib plate 7 can increase the rigidity and strength of the connecting part of the adapter 2 and the main keel 4, disperse stress, and prevent structural damage caused by excessive local stress. When bearing the roof load, the first reinforcing rib plate 7 can effectively transmit the load uniformly to the adapter 2 and the main keel 4, thereby improving the stability and load-bearing capacity of the entire connecting structure.
[0033] Further, the second reinforcing rib plate 8 is arranged between the first plug core plate 5 and the adapter 2.
[0034] The beneficial effects of the above technical solutions are: the second reinforcing rib plate 8 also plays a role in enhancing the strength and rigidity of the connecting part, further improving the reliability of the connection between the first plug core plate 5 and the adapter 2. It can reduce the deformation of the first plug core plate 5 under stress, ensure the effectiveness of bolt connection, and thus ensure the stability of the entire structure.
[0035] Further, the metal roof keel 3 is connected to the upper part of the steel structure body 1 through the second plug core plate 6, the metal roof keel 3 is connected to the second plug core plate 6 through bolts, and the second plug core plate 6 is welded to the steel structure body 1.
[0036] The beneficial effects of the above technical solutions are: the metal roof keel 3 is connected to the upper part of the steel structure body 1 through the second plug core plate 6, the second plug core plate 6 is welded to the steel structure body 1 first, and then the metal roof keel 3 is connected to the second plug core plate 6 through bolts. This connection method is convenient for construction operation, the welding of the second plug core plate 6 can be performed in advance, improving the construction efficiency. Moreover, the bolt connection allows the position and angle of the metal roof keel 3 to be adjusted during installation to adapt to different roof design requirements, thereby ensuring the installation quality of the metal roof. The second plug core plate 6 is connected to the steel structure body 1 through a third reinforcing rib plate 10, further improving the connection strength of the metal roof keel 3 and the steel structure body 1.
[0037] Further, the steel structure body 1 is made of an I-beam, and the first plug core plate 5 and the second plug core plate 6 are both made of a “[” shaped channel steel.
[0038] The beneficial effects of the above technical solutions are: the I-beam has good bending and compression resistance, can bear a large load, and ensures the strength and stability of the steel structure body 1. The first plug core plate 5 and the second plug core plate 6 are both made of a “[” shaped channel steel, which has a certain strength and rigidity, and its shape is convenient for connection and installation with other components, and is also conducive to the installation and fixation of bolts, thereby improving the reliability of the connection.
[0039] Further, the first plug core plate 5 and the second plug core plate 6 are provided with a plurality of strip slot holes 9 through which bolts pass. The first plug core plate 5 and the second plug core plate 6 have the same structure.
[0040] The beneficial effects of the above technical solutions are: the design of the slot hole allows the bolt to be adjusted within a certain range during installation, which is very practical during construction. When there is a certain error in the size of each component or the installation position needs to be fine-tuned, the position of the bolt can be adjusted flexibly through the slot hole to ensure the accuracy and firmness of the connection, improve the flexibility and efficiency of construction, and the slot hole leaves a gap and deformation space for the bolt connection, thereby avoiding the stress and strain effect of thermal expansion and contraction on the structure.
[0041] Compared with the prior art, the beneficial effects of the utility model are:
[0042] 1. The utility model leaves a gap and deformation space between the adapter 2, the plug core plate 5, 6, the metal roof main ridge 3 and the steel structure main body 1, thereby reducing the deformation of the connection structure, increasing the safety of the existing connection structure and reducing the safety risk.
[0043] 2. The utility model greatly improves the stability of the connection between the steel structure and the metal roof ridge 3 through the combination of welding and bolt connection and the setting of the reinforcing rib plates 7 and 8, and ensures that the structure will not loosen and deform during long-term use.
[0044] 3. The setting of the slot hole of the utility model adjusts the bolt installation position on one hand, facilitates positioning and installation during construction, reduces the construction difficulty and improves the construction efficiency; on the other hand, it leaves a gap and deformation space, thereby avoiding the stress and strain effect of thermal expansion and contraction on the structure.
[0045] Working principle:
[0046] Install the adapter, weld the upper part of the adapter 2 to the lower part of the steel structure main body 1, ensure the welding quality and ensure that the adapter 2 is firmly connected with the steel structure main body 1. During welding, attention should be paid to controlling the welding temperature and welding time to avoid structural deformation due to improper welding.
[0047] Install the main ridge, weld one of the main ridges 4 to one side of the lower part of the adapter 2, and install the first reinforcing rib plate 7 between the adapter 2 and the main ridge 4 to enhance the connection strength.
[0048] Weld the first plug core plate 5 to the other side of the lower part of the adapter 2, and install the second reinforcing rib plate 8 between the first plug core plate 5 and the adapter 2. Then connect the other main ridge 4 to the first plug core plate 5 through a bolt, adjust the installation position of the bolt by using the slot hole on the first plug core plate 5, and ensure the accurate installation of the main ridge 4.
[0049] Install the metal roof batten, weld the second mortise and tenon plate 6 on the upper part of the steel structure main body 1, then connect the metal roof batten 3 with the second mortise and tenon plate 6 through bolts, and adjust the installation position of the bolts by using the strip slot holes on the second mortise and tenon plate 6, so that the metal roof batten 3 is installed firmly and meets the design requirements.
[0050] During the whole installation process, the operation should be strictly in accordance with the construction specifications and operation procedures to ensure the quality and safety of the connecting structure.
[0051] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A steel structure and metal roof purlin connecting structure, characterized in that: The utility model relates to a steel structure main body (1), adapter (2), metal roof purlin (3) and main purlin (4), metal roof purlin (3) is connected with steel structure main body (1), main purlin (4) is connected with steel structure main body (1) through adapter (2).
2. The steel structure and metal roof purlin connecting structure according to claim 1, characterized in that: The upper part of the adapter (2) is welded on the lower part of the steel structure main body (1).
3. The steel structure and metal roof purlin connecting structure according to claim 2, characterized in that: One side of the lower part of the adapter (2) is welded with one main purlin (4), and the other side of the lower part of the adapter (2) is welded with a first plug core plate (5), and the first plug core plate (5) is connected with another main purlin (4) through bolts.
4. The steel structure and metal roof purlin connecting structure according to claim 3, characterized in that: A first reinforcing rib plate (7) is arranged between the adapter (2) and one main purlin (4).
5. The steel structure and metal roof purlin connecting structure according to claim 4, characterized in that: A second reinforcing rib plate (8) is arranged between the first plug core plate (5) and the adapter (2).
6. The steel structure and metal roof purlin connecting structure according to claim 5, characterized in that: The metal roof purlin (3) is connected with the upper part of the steel structure main body (1) through a second plug core plate (6), the metal roof purlin (3) is connected with the second plug core plate (6) through bolts, and the second plug core plate (6) is welded with the steel structure main body (1).
7. The steel structure and metal roof purlin connecting structure according to claim 6, characterized in that: The steel structure main body (1) adopts an I-shaped steel, and the first plug core plate (5) and the second plug core plate (6) both adopt a "[”-shaped channel steel.
8. The steel structure and metal roof purlin connecting structure according to claim 7, characterized in that: The first plug core plate (5) and the second plug core plate (6) are provided with a plurality of strip slot holes penetrated by bolts. The first plug core plate (5) and the second plug core plate (6) are provided with a plurality of strip slot holes penetrated by bolts.