Connecting structure of steel structure joints

Abstract

The utility model discloses a steel structure node connecting structure which comprises a butt joint column beam, a first column beam and a second column beam, the first column beam and the second column beam are located at the left end and the right end of the butt joint column beam respectively, and the steel structure node connecting structure is characterized in that connecting lining plates are symmetrically arranged at the left end and the right end of the butt joint column beam and are of an H-shaped structure; an included angle of 120-160 degrees is formed between the outer edge and the end face of the connecting lining plate, positioning grooves are formed in one end of the first column beam and one end of the second column beam, the inner surfaces of the positioning grooves are matched with the connecting lining plate in shape, and the thickness of the connecting lining plate is larger than the depth of the positioning grooves. According to the connecting structure of the steel structure joint, the connecting lining plates are symmetrically arranged at the left end and the right end of the butt-joint column beam, guiding is conducted through the inclined faces of the positioning grooves, the butt-joint precision of the beam column can be effectively improved, installation errors caused by inclination of the end faces are reduced, and gaps between the connecting lining plates and the positioning grooves serve as welding seams; and the welding strength of the joint is improved.

Description

Technical Field

[0001] This utility model relates to the field of steel structure technology, specifically to a connection structure for steel structure nodes. Background Technology

[0002] In steel structure engineering, node connections are a key part of ensuring the safety and stability of the overall structure. The role of welded plates and connecting plates is crucial. These metal plates are usually welded or fixed to the ends of columns and beams by bolts, which not only facilitates splicing but also enhances the connection strength at the nodes, ensuring that the structure can transmit forces evenly when under stress.

[0003] Existing technologies typically involve the following steps: First, the construction workers need to align the threaded holes on the connecting plates and ensure that multiple metal plates are completely horizontal. If any end face is slightly tilted during the placement of the metal plates, the bolts may strip due to the large tightening force between the nut and the bolt during bolt connection. Even after installation, uneven stress may occur at the joint after welding due to the unevenness of the mating surfaces. Utility Model Content

[0004] The purpose of this utility model is to provide a connection structure for steel structure nodes to solve the problem mentioned in the background art that the end face of steel structure nodes is prone to slight tilting during the docking process.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a connection structure for a steel structure node, including a connecting column beam, a first column beam, and a second column beam, wherein the first column beam and the second column beam are located at the left and right ends of the connecting column beam, characterized in that: connecting plates are symmetrically arranged at the left and right ends of the connecting column beam, the connecting plates are in the shape of an "H" shape, and the outer edge of the connecting plate has an angle with the end face, the angle being °-°, and a positioning groove is provided at one end of the first column beam and the second column beam, the inner surface of the positioning groove is adapted to the shape of the connecting plate, and the thickness of the connecting plate is greater than the depth of the positioning groove.

[0006] As a preferred technical solution of this utility model, the vertical connection surface between the connecting column beam and the first column beam and the second column beam is provided with a vertical connecting plate, and the vertical connecting plate is distributed in a mirror image with respect to the front and rear ends of the connecting column beam.

[0007] As a preferred technical solution of this utility model, the vertical connecting plate and the connecting column beam are provided with a first threaded hole, and the vertical connecting plate and the first and second column beams are provided with a second threaded hole.

[0008] As a preferred technical solution of this utility model, a transverse connecting plate is provided on the transverse connection surface between the connecting column beam and the first column beam and the second column beam. The length of the transverse connecting plate is greater than the length of the connecting column beam, and the transverse connecting plate is mirrored about the upper and lower ends of the connecting column beam.

[0009] As a preferred technical solution of this utility model, the transverse connecting plate and the connecting column beam have a third threaded hole inside, and the transverse connecting plate and the first and second column beams have a fourth threaded hole inside.

[0010] As a preferred technical solution of this utility model, the first threaded hole, the second threaded hole, the third threaded hole and the fourth threaded hole are internally threaded with high-strength bolts.

[0011] Compared with the prior art, the beneficial effects of the connection structure of the steel structure node of this utility model are:

[0012] By symmetrically setting connecting plates at both ends of the beam-column joint and using the inclined surface of the positioning groove for guidance, the accuracy of beam-column joint can be effectively improved, and the installation error caused by the inclination of the end face can be reduced. The gap between the connecting plate and the positioning groove serves as a welding seam, which not only improves the welding strength at the joint but also avoids connection failure caused by bolt stripping, thereby ensuring the stability and safety of the entire structure. The plug-in joint method simplifies the installation process. Construction workers only need to slide the connecting plate along the positioning groove to achieve precise jointing, reducing construction difficulty and time. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;

[0014] Figure 2 This is a schematic diagram showing the disassembled structure of the vertical connecting plate and the horizontal connecting plate of this utility model;

[0015] Figure 3 This is a schematic diagram of the overall installation structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the disassembled structure of the connecting column beam and the first and second column beams of this utility model;

[0017] Figure 5 This is a schematic diagram of the internal side view of the connecting column beam and the first column beam of this utility model.

[0018] In the diagram: 1. Connecting column beam; 2. First column beam; 3. Second column beam; 4. Vertical connecting plate; 5. First threaded hole; 6. Second threaded hole; 7. Horizontal connecting plate; 8. Third threaded hole; 9. Fourth threaded hole; 10. Positioning groove; 11. Connecting liner; 12. High-strength bolt. Detailed Implementation

[0019] Please see Figure 1-5 This utility model provides a technical solution: a connection structure for a steel structure node, including a connecting column beam 1, a first column beam 2, and a second column beam 3. The first column beam 2 and the second column beam 3 are located at the left and right ends of the connecting column beam 1, respectively. The characteristic is that connecting plates 11 are symmetrically arranged at the left and right ends of the connecting column beam 1. The connecting plates 11 have an "H" shape structure, and the outer edge of the connecting plates 11 has an angle with the end face, with the angle being 120°-160°. A positioning groove 10 is opened at one end of the first column beam 2 and the second column beam 3. The inner surface of the positioning groove 10 is adapted to the shape of the connecting plate 11, and the thickness of the connecting plate 11 is greater than the depth of the positioning groove 10.

[0020] When the first column beam 2 and the second column beam 3 are connected to the connecting column beam 1, the connecting liner 11 can slide into the inclined surface of the inner wall of the positioning groove 10, which can play a positioning role. Since the positioning groove 10 is relatively shallow, it cannot fully accommodate the connecting liner 11, leaving a certain gap between the connecting liner 11 and the positioning groove 10. This gap serves as a welding seam, thereby increasing the strength of the connecting plate.

[0021] Vertical connecting plates 4 are provided on the vertical connection surfaces of the connecting column beam 1 with the first column beam 2 and the second column beam 3. The vertical connecting plates 4 are mirror-distributed about the front and rear ends of the connecting column beam 1. The vertical connecting plates 4 serve as connecting plates between the first column beam 2 and the second column beam 3 and the connecting column beam 1 on the vertical plane. There are four vertical connecting plates 4, and they are symmetrical at the front and rear ends to ensure the strength of the connection surfaces.

[0022] The vertical connecting plate 4 and the connecting column beam 1 have a first threaded hole 5 inside, and the vertical connecting plate 4 and the first column beam 2 and the second column beam 3 have a second threaded hole 6 inside. The vertical connecting plate 4 has two threaded holes, namely the first threaded hole 5 and the second threaded hole 6. The two threaded holes are connected to the connecting column beam 1 and the first column beam 2 or the second column beam 3 respectively, so that multiple columns and beams are connected to each other.

[0023] A transverse connecting plate 7 is provided on the transverse connection surface between the connecting column beam 1 and the first column beam 2 and the second column beam 3. The length of the transverse connecting plate 7 is greater than the length of the connecting column beam 1. The transverse connecting plate 7 is distributed in a mirror image about the upper and lower ends of the connecting column beam 1. The vertical connecting plate 4 serves as a vertical connection structure, while the transverse connecting plate 7 connects multiple columns and beams laterally. In contrast, the transverse connecting plate 7 is longer and covers the entire connecting column beam 1. Although its stress strength is not as high as that of the vertical structure, the stress distribution is more uniform.

[0024] The transverse connecting plate 7 and the connecting column beam 1 have a third threaded hole 8 inside, and the transverse connecting plate 7 and the first column beam 2 and the second column beam 3 have a fourth threaded hole 9 inside. The transverse connecting plate 7 has two threaded holes inside, namely the third threaded hole 8 and the fourth threaded hole 9. The above two threaded holes are connected to the connecting column beam 1 and the first column beam 2 or the second column beam 3 respectively, so that multiple columns beams are connected to each other.

[0025] The first threaded hole 5, the second threaded hole 6, the third threaded hole 8, and the fourth threaded hole 9 are internally threaded with high-strength bolts 12. The high-strength bolts 12 connected to the first threaded hole 5, the second threaded hole 6, the third threaded hole 8, and the fourth threaded hole 9 are used to limit the connection of multiple columns and beams.

[0026] Working principle: First, align the connecting column beam 1 horizontally with the first column beam 2 and the second column beam 3. During connection, the connecting liner 11 of the connecting column beam 1 slides into the inner wall of the positioning groove 10 of the first column beam 2 or the second column beam 3 in an insert manner. When the beams and columns are in contact, the connecting column beam 1, the first column beam 2, and the second column beam 3 are in a flat state. (See reference...) Figure 5 The weld seam can be welded, and then the vertical connecting plate 4 and the horizontal connecting plate 7 are used to fit together with the connecting column beam 1, the first column beam 2 and the second column beam 3, so that the multiple threaded holes correspond, and then high-strength bolts 12 are used for fixing.

Claims

1. A connecting structure of a steel structure joint, comprising a butt column beam (1), a first column beam (2) and a second column beam (3), the first column beam (2) and the second column beam (3) are respectively located at the left and right ends of the butt column beam (1), characterized in that: The butt joint column beam (1) is symmetrically provided with a connecting lining plate (11) at both ends, the connecting lining plate (11) is in a "H" shape structure, and an angle exists between the outer edge of the connecting lining plate (11) and the end face, the angle is 120°-160°, a positioning groove (10) is formed at one end of the first column beam (2) and the second column beam (3), the inner surface of the positioning groove (10) is matched with the shape of the connecting lining plate (11), the thickness of the connecting lining plate (11) is greater than the depth of the positioning groove (10), a vertical connecting plate (4) is arranged on the vertical connecting surface of the butt joint column beam (1) and the first column beam (2) and the second column beam (3), and the vertical connecting plate (4) is mirror-imaged about the front and rear ends of the butt joint column beam (1), the first threaded hole (5) is formed in the vertical connecting plate (4) and the butt joint column beam (1), the second threaded hole (6) is formed in the vertical connecting plate (4) and the first column beam (2) and the second column beam (3), the horizontal connecting plate (7) is arranged on the horizontal connecting surface of the butt joint column beam (1) and the first column beam (2) and the second column beam (3), the length of the horizontal connecting plate (7) is greater than the length of the butt joint column beam (1), the horizontal connecting plate (7) is mirror-imaged about the upper and lower ends of the butt joint column beam (1), the third threaded hole (8) is formed in the horizontal connecting plate (7) and the butt joint column beam (1), and the fourth threaded hole (9) is formed in the horizontal connecting plate (7) and the first column beam (2) and the second column beam (3), the high-strength bolt (12) is screw-connected in the first threaded hole (5), the second threaded hole (6), the third threaded hole (8) and the fourth threaded hole (9).

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