Modular assembly system of multi-story building

By dividing the steel structure into standardized modules and prefabricating it in the factory, using bolted connections and stiffener plate positioning structures, the shortcomings in construction efficiency and quality of the existing steel structure connection methods are solved, and the effect of clear structural stress and rapid installation is achieved. .

CN222349932UActive Publication Date: 2025-01-14CHINA NERIN ENGINEERING CO LTD
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Patent Information

Application Number
CN202323371833.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-11
Publication Date
2025-01-14
Estimated Expiration
2033-12-11

AI Technical Summary

Technical Problem

The existing steel structure connection methods have shortcomings in construction efficiency, quality and recycling. The welding connection is firm but complex and is not conducive to disassembly. The bolt connection is fast but not firm enough. The combined connection is taken into account but the construction is complicated.

Method used

The columns, beams and connecting nodes of the steel structure are divided into standardized modules, prefabricated in the factory, and then connected into an integral structure by bolts. The combination of column modules, beam modules and beam-column assembly node modules is used to adopt stiffener plates and position tenons. Structure, ensure clear structural stress and installation quality.

Benefits of technology

It achieves clear structural stress, good processing quality, fast installation and easy quality assurance, avoids welding deformation and stress concentration problems, improves the safety and stability of the structure, and simplifies the construction process and facilitates disassembly and recycling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel structure modularization assembly system of a multi-story building. The steel structure modularization assembly system comprises column modules, beam modules and beam column assembly joint modules. The column module comprises a column body and column end plates arranged at the two ends of the column body, and a plurality of first bolt holes are formed in the column end plates; the beam module comprises a beam body and beam end plates arranged at the two ends of the beam body, and a plurality of second bolt holes are formed in the beam end plates; the beam column assembly joint module comprises a supporting body and joint end plates arranged at the two ends of the supporting body, a plurality of third bolt holes are formed in the joint end plates, the beam column assembly joint module further comprises a plurality of joint side plates, the joint side plates are arranged around the supporting body, and each joint side plate is installed on the edges of the two joint end plates at the same time. The steel structure modularization assembly system has the advantages of being clear in structural stress, good in machining quality, fast in installation, capable of guaranteeing installation quality easily and the like, and is a novel building mode suitable for industrial and civil multi-story buildings.
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Description

Technical Field

[0001] The utility model relates to the field of industrial and civil multi-storey buildings, and is specifically a modular assembly system for steel structures. This system divides the columns, beams and connection nodes of the steel structure into standardized modules, which are prefabricated in the factory and then connected into an integral structure on site by bolts, and has the advantages of clear structural force, good processing quality, fast installation, and easy installation quality assurance. Background Art

[0002] Modular construction is a construction method that prefabricates the various components of a building into standardized modules in a factory and then transports them to the site for rapid assembly. Modular construction has the advantages of saving materials, reducing costs, improving efficiency, and ensuring quality. It is a construction model that conforms to the concept of green building. Modular construction has a wide range of applications, including residential, commercial, educational, medical, hotel and other types of buildings.

[0003] Steel structure is a commonly used modular building structure, which has the characteristics of high strength, high rigidity, light weight, good seismic performance and fast construction. The main components of steel structure are columns, beams, plates, frames, etc. These parts can be prefabricated in the factory and then connected into an overall structure by bolts or welding. The connection method of steel structure has an important impact on the structural force performance, installation efficiency, engineering quality, etc., so it needs to be continuously optimized and improved.

[0004] The existing steel structure connection methods are mainly the following:

[0005] Welding connection: Welding connection is to fix the various parts of the steel structure together by welding to form a whole. The advantages of welding connection are firm connection, high rigidity and good force performance, but the disadvantages are that it requires professional welding equipment and personnel, the environmental conditions of the construction site are high, it is easy to cause welding deformation and stress concentration, and it is not conducive to disassembly and recycling.

[0006] Bolt connection: Bolt connection is to fix the various parts of the steel structure together by bolts and nuts to form a whole. The advantages of bolt connection are simple and fast construction, no need for professional equipment and personnel, low environmental conditions on the construction site, and easy disassembly and recycling. However, the disadvantages are that the connection is not strong enough, the rigidity is small, the force performance is poor, and it is easy to cause loosening and slippage.

[0007] Combined connection: Combined connection is to combine the various parts of the steel structure by welding and bolting to form a whole. The advantage of combined connection is that it takes into account the advantages and disadvantages of welding connection and bolt connection, and can be flexibly selected according to the requirements of the structural force performance and construction efficiency. However, the disadvantage is that the construction is complicated and time-consuming, and equipment and personnel for welding and bolting are required at the same time, and it is not conducive to disassembly and recycling. Utility Model Content

[0008] The purpose of the utility model is to provide a modular assembly system for multi-story buildings, which divides the columns, beams and connection nodes of the steel structure into standardized modules, which are prefabricated in a factory and then connected into an integral structure on site by bolts, and has the advantages of clear structural force, good processing quality, fast installation, and easy guarantee of installation quality.

[0009] The above technical objectives of the utility model are achieved through the following technical solutions: a modular assembly system for multi-story buildings, including column modules, beam modules and beam-column assembly node modules;

[0010] The column module comprises a column body and column end plates arranged at both ends of the column body, and the column end plates are provided with a plurality of first bolt holes;

[0011] The beam module comprises a beam body and beam end plates arranged at both ends of the beam body, and a plurality of second bolt holes are opened on the beam end plates;

[0012] The beam-column assembly node module comprises a support body and node end plates arranged at both ends of the support body, and a plurality of third bolt holes are opened on the node end plates. The beam-column assembly node module also comprises a plurality of node side plates, and the plurality of node side plates are arranged around the support body, and each of the node side plates is simultaneously installed at the edge of two node end plates, and a plurality of fourth bolt holes are opened on the node side plates;

[0013] Each of the first bolt holes corresponds to each of the third bolt holes one-to-one, and each of the second bolt holes corresponds to each of the fourth bolt holes one-to-one.

[0014] In some embodiments, a plurality of first stiffening plates are installed between the column and the column end plate;

[0015] A plurality of second stiffening plates are installed between the beam body and the beam end plate; and a plurality of third stiffening plates are installed between the support body and the node end plate.

[0016] In some embodiments, the column and the support body are both square steel tubes or round steel tubes.

[0017] In some embodiments, the beam is an I-beam.

[0018] In some embodiments, the plurality of first stiffening plates include four groups of first stiffening plates in pairs, and the pairs of first stiffening plates form an L-shaped structure and are arranged at the corners of the outer side wall of the column;

[0019] The plurality of third stiffening plates include four groups of third stiffening plates in pairs, and the pairs of third stiffening plates form an L-shaped structure and are arranged at the corners of the outer side wall of the support body.

[0020] In some embodiments, the column end plate and the node end plate are respectively provided with positioning holes and positioning tenons that are plugged into and positioned with each other.

[0021] In some embodiments, both ends of each of the node side plates protrude beyond the two node end plates.

[0022] In summary, the utility model has the following beneficial effects:

[0023] Clear structural force: The modular assembly system of the steel structure of the utility model adopts a combination of column modules, beam modules and beam-column assembly node modules, so that the force path of the structure is clear. The force performance of each module can be optimized according to the design requirements, avoiding problems such as welding deformation and stress concentration, and improving the safety and stability of the structure.

[0024] Good processing quality: Each module of the steel structure modular assembly system of the utility model is prefabricated in the factory, and advanced processing equipment and technology can be used to ensure the dimensional accuracy and surface quality of the module. At the same time, structures such as stiffening plates and positioning tenons are set at the connection parts of the modules to enhance the rigidity and stability of the modules and improve the processing quality.

[0025] Fast installation: The modules of the modular steel structure assembly system of the utility model only need to be connected by bolts on site, without welding, which greatly reduces the difficulty and time of construction and improves the installation efficiency. At the same time, the beam modules and beam-column assembly node modules can be assembled according to the transportation and hoisting capabilities to form horizontal modules of different sizes, which reduces the installation workload on site and improves the flexibility of construction.

[0026] The installation quality is easy to ensure: the various modules of the steel structure modular assembly system of the utility model only need to be connected by bolts on site, without welding, thus avoiding the quality problems of welding. At the same time, the positioning accuracy of the modules is ensured through structures such as positioning holes and positioning tenons, avoiding problems such as looseness and slippage, thereby improving the installation quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a top view of the utility model;

[0028] Figure 2It is the front view of the utility model;

[0029] Figure 3 This is a split diagram (front view) of the utility model;

[0030] Figure 4 This is an example diagram of assembling the horizontal module and the vertical module of the utility model;

[0031] Figure 5 It is an assembly example diagram of the column module, beam module and beam-column assembly node module of the utility model;

[0032] Figure 6 It is a structural schematic diagram (front view) of the column module of the utility model;

[0033] Figure 7 It is a structural schematic diagram of the column module of the utility model (top view or bottom view);

[0034] Figure 8 It is a structural schematic diagram (front view) of the beam module of the utility model;

[0035] Fig. 9 It is a structural schematic diagram (side view) of the beam module of the utility model;

[0036] Fig.10 It is a cross-sectional schematic diagram of a beam-column assembly node module of the utility model;

[0037] Fig.11 It is a structural schematic diagram (top view or bottom view) of the beam-column assembly node module of the utility model;

[0038] Fig.12 It is a structural schematic diagram (front view) of the beam-column assembly node module of the present invention.

[0039] In the figure: 1. column module; 101. column body; 102. column end plate; 103. first stiffening plate; 104. positioning hole; 105. first bolt hole; 2. beam module; 201. beam body; 202. beam end plate; 203. second stiffening plate; 204. second bolt hole; 3. beam-column assembly node module; 301. support body; 302. node end plate; 303. third bolt hole; 304. positioning tenon; 305. third stiffening plate; 306. node side plate; 307. fourth bolt hole. DETAILED DESCRIPTION

[0040] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0041] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] This embodiment provides Figures 1 to 12 A specific embodiment of the utility model is shown, which relates to a modular assembly system of a steel structure of a multi-story building, the system comprising a column module 1, a beam module 2 and a beam-column assembly node module 3, these modules are prefabricated in a factory and then connected into an integral structure on site by means of bolts.

[0045] The column module 1 includes a column body 101 and a column end plate 102 provided at both ends of the column body 101. The column end plate 102 is provided with a plurality of first bolt holes 105 for correspondingly connecting with the third bolt holes 303 of the beam-column assembly node module 3. A plurality of first stiffening plates 103 are installed between the column body 101 and the column end plate 102 for enhancing the rigidity and stability of the column module 1. The column end plate 102 is also provided with a positioning hole 104 for mutual insertion and positioning with the positioning tenon 304 of the beam-column assembly node module 3 to ensure the position accuracy of the column module 1 and the beam-column assembly node module 3. The column body 101 can be square steel, which has the characteristics of high strength, high rigidity, light weight, good seismic performance, etc., and is suitable for the column structure of multi-story buildings.

[0046] The beam module 2 includes a beam body 201 and beam end plates 202 disposed at both ends of the beam body 201. The beam end plates 202 are provided with a plurality of second bolt holes 204 for correspondingly connecting with the fourth bolt holes 307 of the beam-column assembly node module 3. A plurality of second stiffening plates 203 are installed between the beam body 201 and the beam end plates 202 to enhance the rigidity and stability of the beam module 2. The beam body 201 is an I-shaped steel, which has the characteristics of reasonable cross-sectional shape, good force performance, strong bearing capacity, etc., and is suitable for beam structures of multi-story buildings.

[0047] The beam-column assembly node module 3 includes a support body 301 and a node end plate 302 disposed at both ends of the support body 301. The node end plate 302 is provided with a plurality of third bolt holes 303 for correspondingly connecting with the first bolt holes 105 of the column module 1. The beam-column assembly node module 3 also includes a plurality of node side plates 306, which are arranged around the support body 301, and each node side plate 306 is simultaneously installed at the edge of two node end plates 302. The node side plates 306 are provided with a plurality of fourth bolt holes 307 for correspondingly connecting with the second bolt holes 204 of the beam module 2. A plurality of third stiffening plates 305 are installed between the support body 301 and the node end plate 302 to enhance the rigidity and stability of the beam-column assembly node module 3. The node end plate 302 is also provided with a positioning tenon 304 for mutually plugging and positioning with the positioning hole 104 of the column module 1 to ensure the position accuracy of the beam-column assembly node module 3 and the column module 1. The support body 301 can be square steel, which has the characteristics of high strength, high rigidity, light weight, good earthquake resistance, etc., and is suitable for the connection node structure of multi-story buildings. Both ends of the node side plate 306 protrude from the two node end plates 302, which can increase the force-bearing area of ​​the node side plate 306 and improve the bearing capacity of the node side plate 306. It can also facilitate the installation and disassembly of the beam module 2. In addition, it can also form a fence around the node end plate 302, which is conducive to the positioning of the column end plate 102 and even the entire column 101. Figure 7 and Fig.11 As shown, the multiple first stiffening plates 103 include four groups of first stiffening plates 103 in pairs, the paired first stiffening plates 103 form an L-shaped structure and are arranged at the corners of the outer wall of the column 101, and the multiple third stiffening plates 305 include four groups of third stiffening plates 305 in pairs, the paired third stiffening plates 305 form an L-shaped structure and are arranged at the corners of the outer wall of the support body 301, which can greatly improve the rigidity and stability of the square steel, thereby improving the bending and torsional resistance of the module and ensuring the force-bearing performance and safety of the structure.

[0048] The specific installation process of the steel structure modular assembly system of the utility model is as follows:

[0049] Firstly, the columns, beams and connection nodes of the steel structure are divided into standardized column modules 1, beam modules 2 and beam-column assembly node modules 3 in the factory and prefabricated according to the design requirements to ensure the dimensional accuracy and surface quality of the modules. At the same time, structures such as stiffening plates and locating tenons 304 are set at the connection parts of the modules to enhance the rigidity and stability of the modules and ensure the position accuracy of the modules.

[0050] Then, the prefabricated column module 1, beam module 2 and beam-column assembly node module 3 are transported to the site, and the beam module 2 and beam-column assembly node module 3 are assembled according to the transportation and hoisting capabilities to form horizontal modules of different sizes, thereby reducing the installation workload on site and improving the flexibility of construction. Figure 4 As shown, the horizontal module is composed of a plurality of beam modules 2 and beam-column assembly node modules 3, and the beam end plate 202 of the beam module 2 is connected to the node side plate 306 of the beam-column assembly node module 3 through the second bolt hole 204 and the fourth bolt hole 307 to form a whole. The length and width of the horizontal module can be adjusted according to actual conditions to adapt to different building planes and structural layouts.

[0051] Next, the prefabricated column module 1 is installed on the foundation, and the column end plate 102 of the column module 1 is connected to the embedded parts on the foundation through the first bolt holes 105 to form a stable vertical module. Figure 4 As shown, the vertical module is composed of a plurality of column modules 1. The height of the vertical module can be adjusted according to actual conditions to adapt to different building floors and structure heights.

[0052] Finally, the assembled horizontal modules are installed on the vertical modules. The node end plate 302 of the beam-column assembly node module 3 of the horizontal module is connected to the column end plate 102 of the column module 1 of the vertical module through the third bolt hole 303 and the first bolt hole 105. At the same time, the positioning holes 104 and the positioning tenons 304 are plugged and positioned with each other to ensure the position accuracy of the horizontal module and the vertical module, forming a complete steel structure frame. Figure 1-3 As shown, the steel structure frame is composed of a plurality of horizontal modules and vertical modules, which are connected to form a whole through the node end plate 302 of the beam-column assembly node module 3 and the column end plate 102 of the column module 1. The shape and scale of the steel structure frame can be adjusted according to actual conditions to adapt to different building functions and structural requirements.

[0053] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A modular assembly system for multi-storey buildings, characterized in that: It comprises a column module (1), a beam module (2) and a beam-column assembly node module (3); The column module (1) comprises a column body (101) and column end plates (102) arranged at both ends of the column body (101), and a plurality of first bolt holes (105) are provided on the column end plates (102); The beam module (2) comprises a beam body (201) and beam end plates (202) arranged at both ends of the beam body (201), and a plurality of second bolt holes (204) are provided on the beam end plates (202); The beam-column assembly node module (3) comprises a support body (301) and node end plates (302) arranged at both ends of the support body (301), and a plurality of third bolt holes (303) are provided on the node end plates (302). The beam-column assembly node module (3) further comprises a plurality of node side plates (306), and the plurality of node side plates (306) are arranged around the support body (301), and each of the node side plates (306) is simultaneously installed at the edge of two of the node end plates (302), and a plurality of fourth bolt holes (307) are provided on the node side plates (306); Each of the first bolt holes (105) corresponds to each of the third bolt holes (303) one by one, and each of the second bolt holes (204) corresponds to each of the fourth bolt holes (307) one by one.

2. A modular assembly system for multi-storey buildings according to claim 1, characterized in that: A plurality of first stiffening plates (103) are installed between the column (101) and the column end plate (102); A plurality of second stiffening plates (203) are installed between the beam body (201) and the beam end plate (202); and a plurality of third stiffening plates (305) are installed between the support body (301) and the node end plate (302).

3. A modular assembly system for multi-storey buildings according to claim 2, characterized in that: The column (101) and the support (301) are both square steel tubes or round steel tubes.

4. A modular assembly system for multi-storey buildings according to claim 1, characterized in that: The beam body (201) is an I-shaped steel.

5. A modular assembly system for multi-storey buildings according to claim 3, characterized in that: The plurality of first stiffening plates (103) include four groups of first stiffening plates (103) in pairs, wherein the pairs of first stiffening plates (103) form an L-shaped structure and are arranged at the corners of the outer side wall of the column (101); The plurality of third stiffening plates (305) include four groups of third stiffening plates (305) in pairs, and the pairs of third stiffening plates (305) form an L-shaped structure and are arranged at the corners of the outer side wall of the support body (301).

6. A modular assembly system for multi-storey buildings according to claim 1, characterized in that: The column end plate (102) and the node end plate (302) are respectively provided with positioning holes (104) and positioning tenons (304) that are plugged in and positioned with each other.

7. A modular assembly system for multi-storey buildings according to claim 1, characterized in that: Both ends of each node side plate (306) protrude outside the two node end plates (302).