A steel structure beam-column combined node

Abstract

The present invention discloses a new type of steel structure beam-column combination node, including a vertically arranged upper steel pipe column and a lower steel pipe column, and at least one steel beam. A slot is provided on the side wall of the lower steel pipe column, and the slot extends downward from the upper end of the lower steel pipe column, and a connecting end is formed on both sides of the slot; the steel beam passes through the slot and extends into the lower steel pipe column, and is fixedly connected to the lower steel pipe column; the upper steel pipe column is located above the lower steel pipe column, and its lower end is fixedly connected to the upper end of the upper steel pipe column. The present invention completes the connection between the steel beam and the steel pipe column node through the slot and the connecting end, and a reinforcing member is arranged inside the node to reinforce the node, so that the appearance of the connection between the steel pipe column and the steel beam is smooth, the reinforcing effect of the reinforcing member on the node is better, and the safety of the node is higher.

Description

Technical Field

[0001] The invention relates to the technical field of assembled building structures, and in particular to a steel structure beam-column combined node. Background Art

[0002] Building industrialization has always been the development direction advocated by my country and is the fundamental way to develop prefabricated buildings. With the advancement of construction technology and the rapid development of information technology, it has become possible to truly realize the industrialization of construction. Prefabricated buildings are buildings built using new industrialized construction methods. Prefabricated buildings can be divided into three categories according to their material forms: prefabricated precast concrete structures, prefabricated steel structures, and prefabricated wood structures. At present, my country is vigorously promoting the development of steel structure prefabricated houses, and different structural forms and new nodes have also been produced during the promotion process.

[0003] In the prior art, various forms of components are usually used to reinforce and transmit force at the connection nodes of steel pipe columns and steel beams. Most of the components are set on the outside of the connection nodes between steel pipe columns and steel beams. On the one hand, they can reinforce the nodes and improve the strength of the nodes. On the other hand, they are also convenient for construction workers to operate on site. However, this connection form will affect the flatness of the node area, which will have an adverse effect on the subsequent fire prevention and anti-corrosion construction of steel structures, and restrict the promotion and application of its technology in ordinary residential buildings. At the same time, there are a large number of components for strengthening the nodes, most of which need to be carried out on site, which is difficult to manufacture and install. Human factors have a greater impact on quality, and it is impossible to effectively improve labor production efficiency and quality safety levels. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a steel structure beam-column combined node to solve the problem in the prior art that the reinforcement member at the node between the steel pipe column and the steel beam is located outside the node, affecting the appearance, and the construction process is complicated.

[0005] To solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A steel structure beam-column combination node comprises a vertically arranged upper steel pipe column and a lower steel pipe column, and at least one steel beam. A groove is formed on the side wall of the lower steel pipe column, and the groove extends downward from the upper end of the lower steel pipe column. A connecting end is formed on both sides of the groove. The steel beam passes through the groove and extends into the lower steel pipe column, and is fixedly connected to the lower steel pipe column. The upper steel pipe column is located above the lower steel pipe column, and its lower end is fixedly connected to the upper end of the upper steel pipe column.

[0007] Preferably, at least one reinforcing member is provided between the lower end of the upper steel pipe column and the connecting end.

[0008] Preferably, the reinforcing member is located on the inner side of the lower steel pipe column and is fixedly connected to the connecting ends on both sides of the slot, and one end of the steel beam passes through the slot and is fixedly connected to the outer side wall of the reinforcing member.

[0009] Preferably, it further comprises a reinforcing plate, which is located above the steel beam and fixedly connected to the outer side of the upper end of the lower steel pipe column and the outer side of the lower end of the upper steel pipe column.

[0010] Preferably, the reinforcing member is an angle steel, which is arranged vertically and distributed at the four corners of the lower steel pipe column. The lower end of the angle steel is located on the inner side of the lower steel pipe column, and the two sides of the angle steel are fixedly connected to the two adjacent connecting ends on the two adjacent sides of the lower steel pipe column. The upper end of the angle steel is located on the inner side of the upper steel pipe column, and the two sides of the angle steel are fixedly connected to the two adjacent sides of the upper steel pipe column.

[0011] Preferably, a fixed end is further provided at the lower end of the upper steel pipe column and at a position corresponding to the slot, and the fixed end extends into the slot and is connected with the slot in a matching manner.

[0012] Preferably, the steel beam includes a main beam and a secondary beam, the main beam passes through the slots on opposite sides of the lower steel pipe column, and the secondary beams are located on both sides of the main beam.

[0013] Preferably, an inner partition is further provided in the lower steel pipe column, and the inner partition is located above the main beam and fixedly connected to the secondary beams.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] 1. The present invention completes the connection between the steel beam and the steel pipe column node by grooving and connecting the ends, and arranges a reinforcing member inside the node to reinforce the node, so that the appearance of the connection between the steel pipe column and the steel beam is smooth, and no extra decorative construction is required; at the same time, the reinforcing member has a better reinforcement effect on the node and the node is safer.

[0016] 2. The present invention adopts a standardized component inner sleeve process. The components, steel pipe columns and steel beams used can be installed in the factory. The production process and installation process are convenient, which provides a new idea for the development direction of prefabricated buildings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention is a structural schematic diagram of a steel structure beam-column combined node.

[0018] Figure 2 Schematic diagram of the structure of the reinforced plate.

[0019] Figure 3 A structural diagram of an implementation method.

[0020] Figure 4 A structural diagram of another implementation method.

[0021] Figure 5 It is a structural schematic diagram of the lower steel pipe column and steel beam.

[0022] In the figure: upper steel pipe column 1, lower steel pipe column 2, steel beam 3, slot 4, connecting end 5, reinforcing member 6, strengthening plate 7, fixed end 8, inner partition plate 9, main beam 10, secondary beam 11. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] Example: See Figure 1 A steel structure beam-column combination node comprises an upper steel pipe column 1 and a lower steel pipe column 2 which are vertically arranged, and at least one steel beam 3. A slot 4 is provided on the side wall of the lower steel pipe column, and the slot extends downward from the upper end of the lower steel pipe column. A connecting end 5 is formed on each side of the slot. The number of slots corresponds to the number of ends of the steel beam extending from the lower steel pipe column. The steel beam extends into the lower steel pipe column after passing through the slot and is fixedly connected to the lower steel pipe column; the upper steel pipe column is located above the lower steel pipe column, and its lower end is fixedly connected to the upper end of the upper steel pipe column.

[0025] In a specific implementation, at least one reinforcing member 6 is provided between the lower end of the upper steel pipe column and the connecting end. The connection between the upper steel pipe column and the lower steel pipe column is reinforced by the reinforcing member, and the reinforcing member has various forms, not limited to one of them. A fixed end 8 is provided at the lower end of the upper steel pipe column and at the position corresponding to the slot, and the fixed end extends into the slot and is connected to the slot in cooperation with the slot. The two sides of the fixed end are fixedly connected to the two sides of the slot by welding, and the fixed end extends to the top of the steel beam and is welded to the steel beam, so that the lower end of the upper steel pipe column is engaged with the slot of the lower steel pipe column and connected by welding.

[0026] In one embodiment, see Figure 2 and Figure 3 , the reinforcing member is located on the inner side of the lower steel pipe column and is fixedly connected to the connecting ends on both sides of the slot, and one end of the steel beam is fixedly connected to the outer wall of the reinforcing member after passing through the slot. It also includes a reinforcing plate 7, which is located above the steel beam and is fixedly connected to the outer side of the upper end of the lower steel pipe column and the outer side of the lower end of the upper steel pipe column. Among them, the lower end of the upper steel pipe column is fixedly connected by welding after abutting against the upper end of the lower steel pipe column. The reinforcing plate can cover the fixed end of the lower end of the upper steel pipe column, and strengthen the connection between the upper steel pipe column and the lower steel pipe column through the reinforcing member.

[0027] In one embodiment, see Figure 1and Figure 4 The reinforcing member is an angle steel, which is arranged vertically and distributed at the four corners of the lower steel pipe column. The lower end of the angle steel is located on the inner side of the lower steel pipe column, and the two sides of the angle steel correspond to the two adjacent connecting ends on the two sides of the lower steel pipe column and are fixedly connected by welding. The upper end of the angle steel is located on the inner side of the upper steel pipe column, and the two sides of the angle steel correspond to the two adjacent sides of the upper steel pipe column and are fixedly connected. The angle steel plays a role in transmitting force and reinforcing the connection between the connecting end of the lower steel pipe column and the upper steel pipe column.

[0028] In the above embodiment, the steel beam includes a main beam 10 and a secondary beam 11, see Figure 5 , the main beam passes through the slots on the opposite sides of the lower steel pipe column, and the secondary beams are located on both sides of the main beam. An inner partition 9 is also provided in the lower steel pipe column. The inner partition is located above the main beam and is fixedly connected to the secondary beams. The inner partition can connect the two secondary beams to play a role in force transmission, and also plays a role in reinforcing the connection between the main and secondary beams. Four steel beams can also be used, wherein one end of the two steel beams respectively passes through the slots on the opposite sides of the lower steel pipe column and extends into the lower steel pipe column, and is fixedly connected to the lower steel pipe column by welding. There is a gap between the parts of the two steel beams located in the lower steel pipe column. The inner partitions are respectively located in the lower steel pipe column, above and below the steel beams on the opposite sides, and their two ends are respectively fixedly connected to the upper and lower sides of the two steel beams by welding. The inner partition can play a role in connection and reinforcement, and can also play a role in force transmission. Among them, the main beam can be a U-shaped steel beam, and a reinforcing steel bar is respectively arranged above the upper flange of the U-shaped steel beam. After the reinforcing steel bar passes through the opposite sides of the upper steel pipe column at the same time, it is arranged along the length direction of the U-shaped steel beam corresponding to it. A bottom steel bar is respectively arranged at the bottom of the inner side and the side walls of the U-shaped steel beam. After the bottom steel bar passes through the opposite sides of the lower steel pipe column at the same time, it is arranged along the length direction of the U-shaped steel beam where it is located. In actual construction, the components in the steel structure beam-column combination node described in the present invention can be directly processed and obtained in the factory, and after being assembled in the factory, they can be transported to the construction site for construction and installation.

[0029] The present invention is not limited to the above-mentioned embodiments, and structures that are the same or similar to the above-mentioned embodiments of the present invention are within the protection scope of the present invention. Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the technical solution. Those of ordinary skill in the art should understand that those modifications or equivalent replacements of the technical solution of the present invention without departing from the purpose and scope of the technical solution should be included in the scope of the claims of the present invention.

Claims

1. A steel structure beam-column combined node, comprising an upper steel pipe column (1) and a lower steel pipe column (2) arranged vertically, and at least one steel beam (3), characterized in that: A slot (4) is formed on the side wall of the lower steel pipe column, the slot extending downward from the upper end of the lower steel pipe column, and a connecting end (5) is formed on both sides of the slot; the steel beam passes through the slot and extends into the lower steel pipe column, and is fixedly connected to the lower steel pipe column; the upper steel pipe column is located above the lower steel pipe column, and its lower end is fixedly connected to the upper end of the upper steel pipe column; At least one reinforcing member (6) is further provided between the lower end of the upper steel pipe column and the connecting end; The reinforcing member is located inside the lower steel pipe column and is fixedly connected to the connecting ends on both sides of the slot; one end of the steel beam passes through the slot and is fixedly connected to the outer side wall of the reinforcing member; and further includes a reinforcing plate (7) located above the steel beam and fixedly connected to the outer side of the upper end of the lower steel pipe column and the outer side of the lower end of the upper steel pipe column; Alternatively, the reinforcing member is an angle steel, which is arranged vertically and distributed at the four corners of the lower steel pipe column, with its lower end located inside the lower steel pipe column, and two sides of the angle steel correspondingly fixedly connected to two adjacent connecting ends of two adjacent sides of the lower steel pipe column, and the upper end of the angle steel is located inside the upper steel pipe column, and its two sides correspondingly fixedly connected to two adjacent sides of the upper steel pipe column; A fixed end (8) is also provided at the lower end of the upper steel pipe column and at a position corresponding to the slot, the fixed end extends into the slot and is connected to the slot in a matching manner; The steel beam comprises a main beam (10) and a secondary beam (11), wherein the main beam passes through the slots on opposite sides of the lower steel pipe column, and the secondary beams are located on both sides of the main beam.

2. The steel structure beam-column composite node according to claim 1, characterized in that: An inner partition (9) is also provided in the lower steel pipe column. The inner partition is located above the main beam and is fixedly connected to the secondary beam.

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