Steel-aluminum conversion connection node

Abstract

The utility model discloses a steel-aluminum conversion connection node, which relates to the technical field of building connection nodes, and comprises a node disc, and the node disc is provided with at least one first connection position and at least one second connection position along the circumferential direction; the first connecting position is used for being fixedly connected with an aluminum alloy beam, and a protective gasket is arranged between the first connecting position and the contact face of the aluminum alloy beam. A connecting beam is fixedly arranged on the second connecting position and used for being detachably connected with the steel beam. The steel-aluminum conversion connecting joint is convenient to construct and install, and the service life can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of building connection nodes, in particular to a steel-aluminum conversion connection node. Background Art

[0002] The lattice shell structure is a structural system suitable for large-span spaces and is mostly used in public large-span space structures, such as gymnasium roofs, airport roofs, exhibition hall roofs, etc. Usually, in order to ensure strength and stiffness requirements while meeting lightweight requirements, the lattice shell structure uses a steel structure outer ring and an aluminum alloy inner ring connected by a node plate, in which the steel structure beam is usually directly welded to the node plate. The node plate needs to be made into a beam end transition section according to the thickness of the steel structure beam flange plate. The processing and installation workload is large and it is inconvenient to replace. In addition, electrochemical corrosion is prone to occur between the aluminum alloy beam and the node plate, which affects the service life. Utility Model Content

[0003] The purpose of the utility model is to provide a steel-aluminum conversion connection node to solve the problems existing in the above-mentioned prior art, facilitate construction and installation, and improve service life.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a steel-aluminum conversion connection node, including a node plate, wherein the node plate is provided with at least one first connection position and at least one second connection position along the circumferential direction; the first connection position is used for fixed connection with an aluminum alloy beam, and a protective gasket is provided between the first connection position and the contact surface of the aluminum alloy beam; the second connection position is fixedly provided with a connection beam, and the connection beam is used for detachable connection with a steel beam.

[0006] Preferably, the node plate includes an upper plate, a connecting column and a lower plate, the connecting column is fixedly arranged between the upper plate and the lower plate; one end of the connecting beam extends between the upper plate and the lower plate, and is fixedly connected to the upper plate, the connecting column and the lower plate, and the other end of the connecting beam extends between the upper plate and the lower plate and is connected to the steel beam; one end of the aluminum alloy beam can extend between the upper plate and the lower plate and be fixedly connected to the upper plate and the lower plate.

[0007] Preferably, the two wing plates of the connecting beam are respectively welded to the upper plate and the lower plate, and the web of the connecting beam is welded to the connecting column.

[0008] Preferably, the two wing plates of the aluminum alloy beam are respectively connected to the upper plate and the lower plate through a plurality of annular groove rivets or a plurality of bolts; and the protective gasket is arranged between the wing plate of the aluminum alloy beam and the upper plate or the lower plate.

[0009] Preferably, the web of the connecting beam is fixedly connected to the web of the steel beam via a first connecting plate, and the first connecting plate is connected to the connecting beam and the steel beam via a plurality of bolts.

[0010] Preferably, the wing plate of the connecting beam is fixedly connected to the wing plate of the steel beam via a second connecting plate, and the second connecting plate is connected to the connecting beam and the steel beam via a plurality of bolts.

[0011] Preferably, the first connection bit and the second connection bit are both set to be plural.

[0012] Preferably, the node plate and the connecting beam are made of steel.

[0013] Preferably, the protective gasket is made of insulating material or stainless steel.

[0014] Compared with the prior art, the utility model has achieved the following technical effects:

[0015] The utility model provides a steel-aluminum conversion connection node, in which an aluminum alloy beam is fixedly connected to a first connection position on a node plate, and a protective gasket is provided between the contact surface of the aluminum alloy beam and the node plate. By providing the protective gasket, electrochemical corrosion between the node plate and the aluminum alloy beam caused by different metal materials is mitigated, thereby improving the service life. In addition, a connecting beam is provided at the second connection position of the node plate, and the connecting beam and the steel beam can be disassembled and connected, thereby reducing welding operations and facilitating the construction and installation of the steel beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is an axial schematic diagram of the steel-aluminum conversion connection node provided in Example 1.

[0018] In the figure: 1-steel-aluminum conversion connection node; 10-node plate; 11-upper plate; 12-connecting column; 13-lower plate; 20-aluminum alloy beam; 30-connecting beam; 40-steel beam; 50-first connecting plate; 60-second connecting plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The purpose of the utility model is to provide a steel-aluminum conversion connection node to solve the problems existing in the above-mentioned prior art, facilitate construction and installation, and improve service life.

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Embodiment 1

[0023] This embodiment provides a steel-aluminum conversion connection node 1, see Figure 1 , including a node plate 10, the node plate 10 is provided with at least one first connection position and at least one second connection position along the circumferential direction; the first connection position is used to be fixedly connected to the aluminum alloy beam 20, and a protective gasket is provided between the contact surface between the first connection position and the aluminum alloy beam 20; the second connection position is fixedly provided with a connecting beam 30, and the connecting beam 30 is used to be detachably connected to the steel beam 40.

[0024] The aluminum alloy beam 20 is fixedly connected to the first connection position on the node plate 10, and a protective gasket is arranged between the contact surface of the aluminum alloy beam 20 and the node plate 10. The protective gasket is arranged to slow down the electrochemical corrosion phenomenon between the node plate 10 and the aluminum alloy beam 20 due to different metal materials, thereby improving the service life. In addition, a connecting beam 30 is arranged at the second connection position of the node plate 10, and the connecting beam 30 and the steel beam 40 can be detachably connected, thereby reducing welding operations and facilitating the construction and installation of the steel beam 40. By arranging the connecting beam 30, it is also possible to avoid the situation where the traditional direct welding connection has an unsightly appearance due to the large difference in thickness between the node plate 10 and the upper flange thickness of the steel beam 40.

[0025] In the optional scheme of this embodiment, it is more preferred that the node plate 10 includes an upper plate 11, a connecting column 12 and a lower plate 13, and the connecting column 12 is fixedly arranged such as welded between the upper plate 11 and the lower plate 13; one end of the connecting beam 30 extends between the upper plate 11 and the lower plate 13, and is fixedly connected to the upper plate 11, the connecting column 12 and the lower plate 13 to ensure the stability of the connection, and the other end of the connecting beam 30 extends between the upper plate 11 and the lower plate 13 and is connected to the steel beam 40; one end of the aluminum alloy beam 20 can extend between the upper plate 11 and the lower plate 13 and is fixedly connected to the upper plate 11 and the lower plate 13; by setting the upper plate 11, the connecting column 12 and the lower plate 13, it is convenient to connect with multiple aluminum alloy beams 20 and steel beams 30.

[0026] Specifically, the upper plate 11 and the lower plate 13 can be straight plates or curved plates, and are stamped according to the shape of the building.

[0027] In the optional scheme of this embodiment, it is more preferred that the two wing plates of the connecting beam 30 are welded to the upper plate 11 and the lower plate 13 respectively, and the web of the connecting beam 30 is welded to the connecting column 12 to ensure the stability of the connection, and the welding area is located between the upper plate 11 and the lower plate 13, which can also enhance the aesthetic appearance.

[0028] In the optional scheme of this embodiment, it is more preferred that the two wing plates of the aluminum alloy beam 20 are respectively connected to the upper plate 11 and the lower plate 13 by multiple ring groove rivets or multiple bolts to facilitate installation and fixation. Correspondingly, multiple connecting holes are provided on the upper plate 11 and the lower plate 13; and protective gaskets are provided between the wing plates of the aluminum alloy beam 20 and the upper plate 11 or the lower plate 13 to slow down the electrochemical corrosion between the wing plates of the aluminum alloy beam 20 and the upper plate 11 or the lower plate 13 and improve the service life.

[0029] In the optional scheme of this embodiment, it is more preferred that the web of the connecting beam 30 and the web of the steel beam 40 are fixedly connected by a first connecting plate 50, and the first connecting plate 50 is connected to the connecting beam 30 and the steel beam 40 by multiple bolts to facilitate installation and disassembly.

[0030] In the optional scheme of this embodiment, it is more preferred that the wing plate of the connecting beam 30 and the wing plate of the steel beam 40 are fixedly connected by a second connecting plate 60, and the second connecting plate 60 is connected to the connecting beam 30 and the steel beam 40 by multiple bolts to further improve the connection stability.

[0031] Further preferably, the web of the connecting beam 30 is connected to the two sides of the web of the steel beam 40 by two first connecting plates 50, and the two first connecting plates 50 are fixedly connected by first bolts penetrating the connecting beam 30 or the steel beam 40. The first connecting plate 50 can be set as a C-shaped plate, and its side plates can also abut against the upper and lower wing plates; the upper and lower wing plates of the connecting beam 30 and the upper and lower wing plates of the steel beam 40 are respectively fixedly connected by a second connecting plate 60, and the second connecting plate 60 is fixedly connected to the upper wing plate or the lower wing plate by a second bolt, and the second bolt can also penetrate and be connected to the side plate of the first connecting plate 50, thereby further improving the overall stability.

[0032] Further preferably, the first connecting plate 50 and the second connecting plate 60 are configured as steel plates.

[0033] In the optional scheme of this embodiment, it is more preferred that the first connection position and the second connection position are both set to multiple, which can meet the connection needs of multiple aluminum alloy beams 20 and steel beams 40 according to actual needs.

[0034] In the optional solutions of this embodiment, it is more preferred that the node plate 10 and the connecting beam 30 are made of steel to meet the strength requirements for use.

[0035] In the optional scheme of this embodiment, it is more preferred that the protective gasket is set to an insulating material such as polytetrafluoroethylene, which can slow down or even avoid electrochemical corrosion; or stainless steel is used, which can also alleviate the electrochemical corrosion phenomenon.

[0036] Embodiment 2

[0037] The difference between the steel-aluminum conversion connection node 1 provided in this embodiment and the embodiment 1 is that the flanges of the upper and lower wing plates of the connecting beam 30 and the upper and lower wing plates of the steel beam 40 can be directly welded without being provided as the second connecting plate 60. Compared with the traditional steel beam 40 in which the wing plates and the web are all welded to the node plate 10, the welding workload can be reduced, and the stability can be ensured while reducing the construction workload.

[0038] The utility model uses specific examples to illustrate the principle and implementation of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. At the same time, for those skilled in the art, according to the idea of ​​the utility model, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the utility model.

Claims

1. A steel-aluminum conversion connection node, characterized in that: The invention comprises a node plate (10), wherein the node plate (10) is provided with at least one first connection position and at least one second connection position along the circumferential direction; the first connection position is used for fixed connection with an aluminum alloy beam (20), and a protective gasket is provided between the contact surface between the first connection position and the aluminum alloy beam (20); the second connection position is fixedly provided with a connection beam (30), and the connection beam (30) is used for detachably connecting with a steel beam (40).

2. The steel-aluminum conversion connection node according to claim 1 is characterized in that: The node plate (10) comprises an upper plate (11), a connecting column (12) and a lower plate (13), wherein the connecting column (12) is fixedly arranged between the upper plate (11) and the lower plate (13); one end of the connecting beam (30) extends between the upper plate (11) and the lower plate (13), and is fixedly connected to the upper plate (11), the connecting column (12) and the lower plate (13); the other end of the connecting beam (30) extends between the upper plate (11) and the lower plate (13) and is connected to the steel beam (40); one end of the aluminum alloy beam (20) can extend between the upper plate (11) and the lower plate (13) and is fixedly connected to the upper plate (11) and the lower plate (13).

3. The steel-aluminum conversion connection node according to claim 2 is characterized in that: The two wing plates of the connecting beam (30) are respectively welded to the upper plate (11) and the lower plate (13), and the web plate of the connecting beam (30) is welded to the connecting column (12).

4. The steel-aluminum conversion connection node according to claim 2 is characterized in that: The two wing plates of the aluminum alloy beam (20) are respectively connected to the upper plate (11) and the lower plate (13) through a plurality of annular groove rivets or a plurality of bolts; and the protective gasket is arranged between the wing plate of the aluminum alloy beam (20) and the upper plate (11) or the lower plate (13).

5. The steel-aluminum conversion connection node according to claim 1, characterized in that: The web of the connecting beam (30) is fixedly connected to the web of the steel beam (40) via a first connecting plate (50), and the first connecting plate (50) is connected to the connecting beam (30) and the steel beam (40) via a plurality of bolts.

6. The steel-aluminum conversion connection node according to claim 5, characterized in that: The wing plate of the connecting beam (30) is fixedly connected to the wing plate of the steel beam (40) via a second connecting plate (60), and the second connecting plate (60) is connected to the connecting beam (30) and the steel beam (40) via a plurality of bolts.

7. The steel-aluminum conversion connection node according to claim 1, characterized in that: The first connection bit and the second connection bit are both set to be plural.

8. The steel-aluminum conversion connection node according to claim 1, characterized in that: The node plate (10) and the connecting beam (30) are made of steel.

9. The steel-aluminum conversion connection node according to claim 1, characterized in that: The protective gasket is made of insulating material or stainless steel.

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