Rigid connection node structure of box-shaped aluminum alloy component and steel component

Abstract

The utility model relates to the technical field of building structure design, in particular to a box-shaped aluminum alloy component and steel component rigid connection joint structure which comprises a box-shaped steel component, a box-shaped aluminum alloy component and a connecting assembly. The connecting assembly comprises a steel corbel and a plurality of connecting plates, one end of the steel corbel is connected with the box-shaped steel component in a welded mode, and the other end of the steel corbel is connected with the box-shaped aluminum alloy component in a welded mode. And one end of the connecting plate is attached to and connected with the outer wall of the box-shaped aluminum alloy component, and the other end of the connecting plate is attached to and connected with the outer wall of the steel corbel. Due to the fact that aluminum alloy welding is difficult, the strength after welding is greatly reduced, and welding difficulty and manufacturing cost are high, the steel corbel is arranged between the box-shaped steel component and the box-shaped aluminum alloy component for transfer connection, the technical problem that the steel component and the aluminum alloy component are difficult to reliably and rigidly connect is solved, the whole joint structure is high in assembly degree, high in machining and manufacturing precision and low in cost. And construction and installation are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of building structure design, in particular to a rigid connection node structure of a box-shaped aluminum alloy component and a steel component. Background Art

[0002] Aluminum alloy materials have the characteristics of good durability, corrosion resistance, light weight, easy processing, maintenance-free, and recyclability. They have broad application prospects in the field of large-span aluminum alloy structures and have a high degree of industrialization and assembly.

[0003] The development trend of ultra-large span and free-form surfaces in my country's public buildings has brought new challenges to aluminum alloy structures, and at the same time has given aluminum alloy structures an opportunity to develop rapidly. Large-span aluminum alloy grid structures are generally used for shell structures with curved shapes to fully utilize the film effect to obtain structural stiffness, and are more sensitive to boundary conditions. At the same time, due to the poor welding performance of aluminum alloys, the strength after welding is greatly reduced, and the welding requirements are high and the cost is high, large-span aluminum alloy structures generally use triangular grids and I-shaped bar sections to simplify the node form and ensure the stiffness within the shell surface.

[0004] In recent years, buildings with features such as arbitrary geometric boundaries, flat roofs without curvature, and special-shaped polygonal grids have emerged. The rich architectural shapes are increasingly favored by architects and owners, which poses challenges to the application of large-span aluminum alloy structures, and puts forward new requirements from materials, bar cross-section forms, connection nodes to structural systems, which will surely promote continuous innovation and breakthroughs in aluminum alloy structural design and processing and manufacturing technology. Based on the above reasons, the use of steel-aluminum composite structural system is very suitable for structures with complex forces and high requirements for thin structures, and can give full play to the lightweight and high-strength characteristics of aluminum alloys, but there are technical difficulties in rigidly connecting steel structural components with aluminum alloy components. Utility Model Content

[0005] The utility model aims to provide a box-shaped aluminum alloy component and a steel component rigid connection node structure, which solves the technical difficulty that the steel component and the aluminum alloy component are difficult to be reliably rigidly connected. The whole node structure has a high degree of assembly, high processing and manufacturing accuracy, and is easy to construct and install.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a box-shaped aluminum alloy member and a steel member rigid joint structure, including a box-shaped steel member, a box-shaped aluminum alloy member and a connecting assembly, the connecting assembly including a steel corbel and a plurality of connecting plates, one end of the steel corbel is welded to the box-shaped steel member, the other end has the same cross-section as the end of the box-shaped aluminum alloy member and is aligned with the end of the box-shaped aluminum alloy member, one end of the connecting plate is affixed to and connected to the outer wall of the box-shaped aluminum alloy member, and the other end is affixed to and connected to the outer wall of the steel corbel.

[0007] Optionally, the box-shaped steel member and the box-shaped aluminum alloy member are perpendicular to each other and are arranged at unequal heights, and cross-sections of both ends of the steel corbel are unequal.

[0008] Optionally, a plurality of first stiffening ribs are provided at the variable cross-section of the steel corbel.

[0009] Optionally, both ends of the connecting plate are respectively connected and fixed to the outer walls of the box-shaped aluminum alloy component and the steel corbel by a plurality of fasteners.

[0010] Optionally, the fastener is a ring groove rivet.

[0011] Optionally, the connecting plate is a steel plate or an aluminum alloy plate.

[0012] Optionally, a connecting ear plate is welded to the bottom of the steel corbel, and the connecting ear plate is used to connect a cable or a pull rod.

[0013] Optionally, a plurality of second stiffening ribs are arranged inside the box-shaped steel member.

[0014] Optionally, the box-shaped steel member is arranged on a supporting steel column.

[0015] Optionally, a pin lug is welded to the bottom of the box-shaped steel member, a pin hole is opened at the top of the supporting steel column, and the pin lug is fixed to the pin hole by a pin hinge.

[0016] The box-shaped aluminum alloy member and the steel member rigid connection node structure provided by the utility model have at least one of the following beneficial effects:

[0017] 1) Since aluminum alloy welding is difficult and the strength is greatly reduced after welding, the welding difficulty and cost are both high. By arranging a steel bracket between the box-shaped steel member and the box-shaped aluminum alloy member for transfer, the technical difficulty of reliable rigid connection between the steel member and the aluminum alloy member is solved. The entire node structure has a high degree of assembly, high processing and manufacturing precision, and is easy to construct and install;

[0018] 2) The purpose of rigid connection between the box-shaped steel component and the box-shaped aluminum alloy component is achieved by fastener connection, so that each component is processed in the factory and can be assembled on site, thus solving the problem of poor welding performance of the aluminum alloy component;

[0019] 3) By fixing the connecting ear plate for connecting the cable or the pull rod on the steel bracket, the problems of installation and structural strength caused by fixing the pull rod or the cable on the aluminum alloy member are avoided;

[0020] 4) The box-shaped steel member and the supporting steel column are designed to be hingedly connected, which can better release the bending moment exerted on the structure and improve the stress-bearing performance of the overall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Those skilled in the art should understand that the drawings provided are for a better understanding of the present invention and do not constitute any limitation on the scope of the present invention.

[0022] Figure 1 A cross-sectional view of a rigid joint structure of a box-shaped aluminum alloy member and a steel member provided in one embodiment of the utility model;

[0023] Figure 2 A top view of a rigid joint structure of a box-shaped aluminum alloy member and a steel member provided in one embodiment of the utility model.

[0024] in:

[0025] 1-box-shaped steel member; 2-box-shaped aluminum alloy member; 3-steel corbel; 4-flange connecting plate; 5-web connecting plate; 6-fastener; 7-first stiffening rib; 8-connecting ear plate; 9-cable or tie rod; 10-second stiffening rib; 11-supporting steel column; 12-pin shaft ear plate. DETAILED DESCRIPTION

[0026] In order to make the purpose, advantages and features of the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and specific embodiments. It should be noted that the accompanying drawings are in a very simplified form and use non-precise proportions. They are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the utility model, and are not used to limit the limiting conditions for the implementation of the utility model. Therefore, they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model.

[0027] It should also be understood that, unless otherwise specified or indicated, the terms "first", "second", "third", etc. in the specification are only used to distinguish between the various components, elements, steps, etc. in the specification, rather than to represent the logical relationship or sequential relationship between the various components, elements, steps, etc. Moreover, the terms "comprise", "include", or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article, or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article, or device including the element.

[0028] Please refer to Figure 1The present embodiment provides a rigid joint structure of a box-shaped aluminum alloy member and a steel member, comprising a box-shaped steel member 1, a box-shaped aluminum alloy member 2 and a connection assembly, wherein the connection assembly comprises a steel corbel 3 and a plurality of connection plates, wherein one end of the steel corbel 3 is welded to the box-shaped steel member 1, and the other end has the same cross-section as the end of the box-shaped aluminum alloy member 2 and is aligned with the end of the box-shaped aluminum alloy member 2, one end of the connection plate is adhered to and connected to the outer wall of the box-shaped aluminum alloy member 2, and the other end is adhered to and connected to the outer wall of the steel corbel 3.

[0029] Since aluminum alloy welding is difficult and the strength is greatly reduced after welding, the welding difficulty and cost are both high. By arranging a steel corbel 3 between the box-shaped steel member 1 and the box-shaped aluminum alloy member 2 for transfer, the technical difficulty of reliable rigid connection between the steel member and the aluminum alloy member is solved. The entire node structure has a high degree of assembly and high processing and manufacturing precision, which is convenient for construction and installation.

[0030] In this embodiment, the box-shaped steel member 1 and the box-shaped aluminum alloy member 2 are perpendicular to each other and are arranged at different heights, and the cross-sections of the two ends of the steel bracket 3 are different. Figure 1 As the combined structure formed by steel structures or cables and aluminum alloy structures is increasingly used, the height of the box-shaped steel component 1 is different from the height of the box-shaped aluminum alloy component 2. For example, if the box-shaped steel component 1 is lower than the height of the box-shaped aluminum alloy component 2, the steel corbel 3 can be designed with a variable cross-section so that the cross-sections at both ends of the steel corbel 3 are adapted to the box-shaped steel component 1 and the box-shaped aluminum alloy component 2 at both ends.

[0031] In this embodiment, the steel corbel 3 is also a box-shaped structure and adopts a variable cross-section design. The connecting plate includes a flange connecting plate 4 and a web connecting plate 5. The upper and lower surfaces of the steel corbel 3 are respectively connected to the box-shaped steel member 1 and the box-shaped aluminum alloy member 2 through the flange connecting plate 4, and the front and rear surfaces of the steel corbel 3 are respectively connected to the box-shaped steel member 1 and the box-shaped aluminum alloy member 2 through the web connecting plate 5.

[0032] In this embodiment, the two ends of the connecting plate are respectively connected and fixed to the outer walls of the box-shaped aluminum alloy member 2 and the steel bracket 3 by a plurality of fasteners 6. The fasteners 6 are used to connect the box-shaped steel member 1 and the box-shaped aluminum alloy member 2, so that each member is processed in the factory and can be assembled on site, thus solving the problem of poor welding performance of aluminum alloy members.

[0033] Preferably, the fasteners 6 are annular groove rivets, and the utility model does not limit the number and distribution of the annular groove rivets.

[0034] Preferably, the connecting plate is a steel plate or an aluminum alloy plate, and the size of the flange connecting plate 4 and the web connecting plate 5 can be the same or different, and can be reasonably designed according to the cross-section of the steel corbel 3, and the utility model does not impose any limitation on this.

[0035] Preferably, a plurality of first stiffening ribs 7 are provided at the variable cross-section of the steel corbel 3 to increase the strength and rigidity of the steel corbel 3. The present invention does not impose any restrictions on the shape, size, number and distribution of the first stiffening ribs 7.

[0036] Please continue to refer to Figure 1 The bottom of the steel corbel 3 is welded with a connecting ear plate 8, and the connecting ear plate 8 is used to connect the cable or the tie rod 9. It should be understood that in the design of some double-layer or multi-layer roof structures, it is often necessary to arrange the cable or the tie rod 9 to form a self-balancing structure in which the lower part is under tension and the upper aluminum alloy member is under compression, and the tension pressure in the roof offsets each other. In this embodiment, by fixing the connecting ear plate 8 for connecting the cable or the tie rod 9 on the steel corbel 3, the problems of installation and structural strength caused by fixing the cable or the tie rod 9 on the aluminum alloy member are avoided.

[0037] In this embodiment, the connecting ear plate 8 and the cable or the pull rod 9 can be connected by a pin-hinged connection, and the present invention does not impose any limitation on this.

[0038] Preferably, a plurality of second stiffening ribs 10 are arranged inside the box-shaped steel member 1 to increase the strength and rigidity of the box-shaped steel member 1. The present invention does not impose any restrictions on the shape, size, quantity and distribution of the second stiffening ribs 10.

[0039] Please continue to refer to Figure 1 , the box-shaped steel member 1 is arranged on a supporting steel column 11. In this embodiment, the box-shaped steel member can be arranged on the supporting steel column 11 as a top steel ring beam, so that the vertical force component is transmitted to the supporting steel column 11 below through the box-shaped steel member 1, so as to improve the force efficiency of the structure and the rationality of force transmission.

[0040] Preferably, a pin lug 12 is welded to the bottom of the box-shaped steel member 1, a pin hole is opened at the top of the support steel column 11, and the pin lug 12 is hingedly fixed to the pin hole through a pin. The box-shaped steel member 1 and the support steel column 11 are designed to be hingedly connected, which can better release the bending moment of the structure and improve the stress performance of the overall structure.

[0041] In summary, the embodiment of the utility model provides a box-shaped aluminum alloy component 2 and a steel component rigidly connected node structure. Since aluminum alloy welding is difficult and the strength is greatly reduced after welding, the welding difficulty and cost are relatively high. By arranging a steel corbel 3 between the box-shaped steel component 1 and the box-shaped aluminum alloy component 2 for transfer, the technical difficulty of reliable rigid connection between the steel component and the aluminum alloy component is solved. The entire node structure has a high degree of assembly and high processing and manufacturing precision, which is convenient for construction and installation.

[0042] In addition, it should be recognized that although the present invention has been disclosed as a preferred embodiment, the above embodiment is not intended to limit the present invention. For any technician familiar with the art, without departing from the scope of the technical solution of the present invention, the above disclosed technical content can be used to make many possible changes and modifications to the technical solution of the present invention, or modified into equivalent embodiments of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of protection of the technical solution of the present invention.

Claims

1. A box-shaped aluminum alloy member and a steel member rigid joint structure, characterized in that: It comprises a box-shaped steel member, a box-shaped aluminum alloy member and a connecting assembly, wherein the connecting assembly comprises a steel corbel and a plurality of connecting plates, wherein one end of the steel corbel is welded to the box-shaped steel member, and the other end has the same cross-section as the end of the box-shaped aluminum alloy member and is aligned with the end of the box-shaped aluminum alloy member, one end of the connecting plate is adhered to and connected to the outer wall of the box-shaped aluminum alloy member, and the other end is adhered to and connected to the outer wall of the steel corbel.

2. The box-shaped aluminum alloy member and steel member rigid joint structure according to claim 1 is characterized in that: The box-shaped steel member and the box-shaped aluminum alloy member are perpendicular to each other and are arranged at different heights, and the cross-sections of the two ends of the steel corbel are different.

3. The box-shaped aluminum alloy member and steel member rigid joint structure according to claim 2 is characterized in that: A plurality of first stiffening ribs are arranged at the variable cross-section of the steel corbel.

4. The box-shaped aluminum alloy member and steel member rigid joint structure according to claim 1, characterized in that: The two ends of the connecting plate are respectively connected and fixed to the outer walls of the box-shaped aluminum alloy component and the steel corbel through a plurality of fasteners.

5. The box-shaped aluminum alloy member and steel member rigid joint structure according to claim 4, characterized in that: The fastener is a ring groove rivet.

6. The box-shaped aluminum alloy member and steel member rigid joint structure according to claim 1 or 4, characterized in that: The connecting plate is a steel plate or an aluminum alloy plate.

7. The box-shaped aluminum alloy member and steel member rigid joint structure according to claim 1, characterized in that: A connecting ear plate is welded to the bottom of the steel corbel, and the connecting ear plate is used to connect a cable or a pull rod.

8. The box-shaped aluminum alloy member and steel member rigid joint structure according to claim 1, characterized in that: A plurality of second stiffening ribs are arranged inside the box-shaped steel member.

9. The box-shaped aluminum alloy member and steel member rigid joint structure according to claim 1, characterized in that: The box-shaped steel member is arranged on a supporting steel column.

10. The box-shaped aluminum alloy member and steel member rigid joint structure according to claim 9, characterized in that: A pin lug is welded to the bottom of the box-shaped steel member, a pin hole is opened at the top of the supporting steel column, and the pin lug is hinged and fixed to the pin hole through a pin.

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