High-strength steel structure joint
By introducing stiffening plates, reinforcing seats, steel frames, and high-strength bolts into the steel structure nodes, the problem of easy fracture of steel structure nodes under load was solved, and high-strength connection and stability were achieved.
Patent Information
- Application Number
- CN202423139215.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing steel structure nodes are prone to fracture under long-term loads due to insufficient strength, resulting in unstable connections.
The structure employs stiffening plates, reinforcing seats, steel frames, and high-strength bolts to enhance the connection strength between the steel beams and the upper supporting steel columns. The connection between the lower supporting steel columns and the upper supporting steel columns is reinforced by structures such as positioning grooves, inner sleeve grooves, and clamping plates. High-strength bolts are used to fix each component.
It significantly improved the support strength of steel structure nodes, prevented breakage, and enhanced the stability of the connection and the overall structure.
Smart Images
Figure CN223535868U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steel structure node technology, specifically a high-strength steel structure node. Background Technology
[0002] Steel structures are structures made of steel materials and are one of the main types of building structures. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates. The connection parts between the components are called steel structure nodes.
[0003] When existing steel structures are connected by structural nodes, fixed plates are usually installed at the connection points with bolts, and then the beams are welded to the fixed plates. Under long-term loads, the beams are prone to breakage due to their low strength. Therefore, we propose a high-strength steel structure node. Utility Model Content
[0004] The purpose of this invention is to provide a high-strength steel structure node that avoids the steel frame and steel beam from easily breaking under long-term loads and greatly improves the overall support strength of the steel structure node.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-strength steel structure node, comprising a lower supporting steel column, an upper supporting steel column, and a steel beam; the upper supporting steel column is vertically arranged above the lower supporting steel column; the steel beam is arranged at the top of the upper supporting steel column, and the steel beam is H-shaped; stiffening plates are provided on both the left and right sides of the top of the upper supporting steel column, the stiffening plates are right-angled, and the two right-angled sides of the stiffening plates are respectively in close contact with the bottom of the steel beam and the outer wall of the upper supporting steel column; a triangular reinforcing plate is provided inside the stiffening plate; the upper supporting steel... The column is fixedly connected to the stiffening plates on both sides by high-strength bolts; a reinforcing seat is provided on both sides of the corner of the steel beam. Both reinforcing seats are right-angled structures, and a steel frame is provided inside each of the two reinforcing seats. The steel frame is I-shaped, and the top and bottom of the steel frame are in close contact with the top of the inside of the steel beam and the bottom of the inside of the reinforcing seat, respectively. The bottom of the steel frame, the bottom of the steel beam, and the top of the stiffening plate are all fixedly connected by high-strength bolts. A purlin is provided on the side of the steel frame facing the reinforcing seat. The steel beam, the reinforcing plate, and the purlin are fixedly connected by high-strength bolts.
[0006] To facilitate quick and easy installation of the crossbeam, as a preferred high-strength steel structure node of this utility model, the top of the upper supporting steel column is provided with a positioning groove, and the bottom of the steel beam is provided with a positioning block that matches the positioning groove. The positioning block is locked in the positioning groove, and the cross-section of the positioning groove is polygonal.
[0007] To facilitate reinforcement of the connection stability between the lower and upper supporting steel columns, as a preferred high-strength steel structure node of this utility model, the lower supporting steel column has an inner groove at its top, and the upper supporting steel column has a sleeve column at its bottom that matches the inner groove. The cross-section of the inner groove is polygonal. Two vertically arranged clamping plates are symmetrically arranged on both the front and rear sides of the contact position between the lower and upper supporting steel columns. The clamping plates are U-shaped, with their openings facing the lower and upper supporting steel columns. Web plates, which are fixedly connected to the outer walls of the upper and lower supporting steel columns, are respectively clamped to the upper and lower sides of the clamping plates. The web plates and clamping plates are fixed together by high-strength bolts.
[0008] To prevent damage to localized areas of the card plate, as a preferred high-strength steel structure node of this utility model, the card plate is provided with reinforcing ribs on both sides, and the reinforcing ribs are triangular in shape.
[0009] To ensure the stability of the entire steel structure, as a preferred high-strength steel structure node of this utility model, the bottom of the lower support steel column is provided with a column foot node seat.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] 1. In this utility model, the stiffening plate provides support and fixation for the steel beam, increasing the strength at the joint between the steel beam and the upper supporting steel column, and preventing breakage under long-term load. The purlin plate and reinforcing seat increase the bottom support area of the steel beam, thereby strengthening the joint between the steel frame and the steel beam and the reinforcing seat, preventing breakage under long-term load, and greatly improving the overall support strength of the steel structure joint.
[0012] 2. In this utility model, the two web plates located at the top and bottom of the lower and upper support steel columns are simultaneously clamped in a clamping plate and fixed with high-strength bolts, which further strengthens the strength of the connection node between the lower and upper support steel columns. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the card plate of this utility model;
[0015] Figure 3 for Figure 2 A schematic diagram of the AA-direction structure.
[0016] In the diagram: 1. Lower supporting steel column; 2. Upper supporting steel column; 3. Steel beam; 4. Stiffening plate; 5. Reinforcing plate; 6. Reinforcing seat; 7. Steel frame; 8. Ribbon plate; 9. Positioning groove; 10. Positioning block; 11. Inner groove; 12. Sleeve column; 13. Clamping plate; 14. Web plate; 15. Reinforcing rib; 16. Column base node seat. Detailed Implementation
[0017] Please see Figures 1 to 3 A high-strength steel structure node includes a lower supporting steel column 1, an upper supporting steel column 2, and a steel beam 3. The upper supporting steel column 2 is vertically installed above the lower supporting steel column 1. The steel beam 3 is installed on the top of the upper supporting steel column 2 and is H-shaped. Stiffening plates 4 are installed on both the left and right sides of the top of the upper supporting steel column 2. The stiffening plates 4 are right-angled, and their two right-angled sides are respectively in close contact with the bottom of the steel beam 3 and the outer wall of the upper supporting steel column 2. Triangular reinforcing plates 5 are installed inside the stiffening plates 4. The upper supporting steel column 2 and the stiffening plates 4 on both sides are connected by... High-strength bolts are used for fixing connections; both sides of the corner of the steel beam 3 are provided with reinforcing seats 6. Both reinforcing seats 6 are right-angled structures, and steel frames 7 are provided inside both reinforcing seats 6. The steel frames 7 are I-shaped. The top and bottom of the steel frames 7 are in close contact with the top of the inside of the steel beam 3 and the bottom of the inside of the reinforcing seat 6, respectively. The bottom of the steel frames 7, the bottom of the steel beam 3, and the top of the stiffening plate 4 are all fixedly connected by high-strength bolts. A purlin plate 8 is provided on the side of the steel frame 7 facing the reinforcing seat 6. The steel beam 3, the reinforcing seat 6, and the purlin plate 8 are fixedly connected by high-strength bolts.
[0018] In this embodiment: the steel beam 3 is placed on top of the upper supporting steel column 2; the stiffening plates 4 above both sides of the upper supporting steel column 2 provide support and fixation for the steel beam 3, and the reinforcing plates 5 inside the stiffening plates 4 enhance the load-bearing strength of the stiffening plates 4, improving the strength at the joint between the steel beam 3 and the upper supporting steel column 2, and preventing breakage under long-term load; the steel frame 7 is fixedly connected to the purlin plate 8, the reinforcing seat 6 and the steel beam 3 by high-strength bolts. The reinforcing seat 6 increases the bottom support area of the steel beam 3, enhancing the strength at the joint between the steel frame 7 and the steel beam 3 and the reinforcing seat 6, and preventing breakage under long-term load. Furthermore, the high-strength bolts used for the steel frame 7, steel beam 3 and stiffening plates 4 greatly improve the support strength of the steel structure joint.
[0019] As a technical optimization of this utility model, the top of the upper supporting steel column 2 is provided with a positioning groove 9, and the bottom of the steel beam 3 is provided with a positioning block 10 that matches the positioning groove 9. The positioning block 10 is stuck in the positioning groove 9, and the cross-section of the positioning groove 9 is polygonal.
[0020] In this embodiment: the steel beam 3 can be easily and quickly placed on top of the upper support steel column 2 through the positioning groove 9, and the steel beam 3 is H-shaped; and then fixedly installed.
[0021] As a technical optimization of this utility model, the top of the lower support steel column 1 is provided with an inner sleeve groove 11, and the bottom of the upper support steel column 2 is provided with a sleeve column 12 that is adapted to the inner sleeve groove 11. The cross-section of the inner sleeve groove 11 is polygonal. There are two vertically arranged clamping plates 13 symmetrically arranged on the front and rear sides of the contact position of the lower support steel column 1 and the upper support steel column 2. The clamping plates 13 are U-shaped, and the openings of the clamping plates 13 face the lower support steel column 1 and the upper support steel column 2. The upper and lower sides inside the clamping plates 13 are respectively clamped with web plates 14 that are fixedly connected to the outer walls of the upper support steel column 2 and the lower support steel column 1. The web plates 14 and the clamping plates 13 are fixed by high-strength bolts.
[0022] In this embodiment, the two web plates 14 located at the top and bottom of the lower support steel column 1 and the upper support steel column 2 are simultaneously clamped in a clamping plate 13 and fixed with high-strength bolts, which further strengthens the connection between the lower support steel column 1 and the upper support steel column 2, and at the same time improves the strength of the connection node between the lower support steel column 1 and the upper support steel column 2.
[0023] As a technical optimization of this utility model, the card plate 13 is provided with reinforcing ribs 15 on both sides, and the reinforcing ribs 15 are triangular in shape.
[0024] In this embodiment, the reinforcing rib 15 further constrains the clamping plate 13, effectively preventing damage to the clamping plate 13 in local areas.
[0025] As a technical optimization of this utility model, a column foot node seat 16 is provided at the bottom of the lower support steel column 1.
[0026] In this embodiment, the lower end of the lower support steel column 1 can be easily and firmly fixed to the foundation through the column base node seat 16, ensuring the stability of the entire steel structure and enabling the lower support steel column 1 to stably bear and transmit loads.
[0027] Working principle and usage process of this utility model:
[0028] Steel beam 3 is placed on top of upper support steel column 2; stiffening plates 4 on both sides above upper support steel column 2 provide support and fixation for steel beam 3, and the reinforcing plates 5 inside stiffening plates 4 enhance the load-bearing strength of stiffening plates 4, improving the strength at the joint between steel beam 3 and upper support steel column 2, and preventing breakage under long-term load; steel frame 7 is fixedly connected to purlin plate 8, reinforcing seat 6 and steel beam 3 by high-strength bolts. Reinforcing seat 6 increases the bottom support area of steel beam 3, making the joint between steel frame 7 and steel beam 3 and reinforcing seat 6 more stable. The strength of the steel frame 7 and steel beam 3 is enhanced to prevent them from easily breaking under long-term loads. The steel frame 7, steel beam 3 and stiffening plate 4 are all reinforced with high-strength bolts, which greatly improves the support strength of the steel structure nodes. The two web plates 14 on the lower support steel column 1 and the upper support steel column 2 are simultaneously clamped in a clamping plate 13 and fixed with high-strength bolts, which further strengthens the connection between the lower support steel column 1 and the upper support steel column 2 and improves the strength of the connection node between the lower support steel column 1 and the upper support steel column 2.
[0029] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A high-strength steel structure node, characterized in that: The structure includes a lower supporting steel column (1), an upper supporting steel column (2), and a steel beam (3). The upper supporting steel column (2) is vertically positioned above the lower supporting steel column (1). The steel beam (3) is positioned at the top of the upper supporting steel column (2) and is H-shaped. Stiffening plates (4) are provided on both the left and right sides of the top of the upper supporting steel column (2). The stiffening plates (4) are right-angled, and the two right-angled sides of the stiffening plates (4) are respectively attached to the bottom of the steel beam (3) and the outer wall of the upper supporting steel column (2). A triangular reinforcing plate (5) is provided inside the stiffening plate (4). The upper supporting steel column (2) and the stiffening plates (4) on both sides are fixed with high-strength bolts. Fixed connection; both sides of the corner of the steel beam (3) are provided with reinforcing seats (6), both reinforcing seats (6) are right-angled structures, and both reinforcing seats (6) are provided with steel frames (7) inside. The steel frames (7) are I-shaped. The top and bottom of the steel frames (7) are in close contact with the top of the inside of the steel beam (3) and the bottom of the inside of the reinforcing seat (6), respectively. The bottom of the steel frame (7), the bottom of the steel beam (3) and the top of the stiffening plate (4) are all fixedly connected by high-strength bolts. The side of the steel frame (7) facing the reinforcing seat (6) is provided with a purlin plate (8). The steel beam (3), the reinforcing seat and the purlin plate (8) are fixedly connected by high-strength bolts.
2. A high-strength steel structure node according to claim 1, characterized in that: The top of the upper support steel column (2) is provided with a positioning groove (9), and the bottom of the steel beam (3) is provided with a positioning block (10) that is compatible with the positioning groove (9). The positioning block (10) is stuck in the positioning groove (9), and the cross-section of the positioning groove (9) is polygonal.
3. A high-strength steel structure node according to claim 1, characterized in that: The top of the lower support steel column (1) is provided with an inner sleeve groove (11), and the bottom of the upper support steel column (2) is provided with a sleeve column (12) that matches the inner sleeve groove (11). The cross-section of the inner sleeve groove (11) is polygonal. There are two vertically arranged clamping plates (13) symmetrically arranged on the front and rear sides of the contact position of the lower support steel column (1) and the upper support steel column (2). The clamping plates (13) are U-shaped, and the opening of the clamping plates (13) faces the lower support steel column (1) and the upper support steel column (2). The upper and lower sides inside the clamping plates (13) are respectively clamped with web plates (14) that are fixedly connected to the outer walls of the upper support steel column (2) and the lower support steel column (1). The web plates (14) and the clamping plates (13) are fixed by high-strength bolts.
4. A high-strength steel structure node according to claim 3, characterized in that: The card plate (13) is provided with reinforcing ribs (15) on both sides, and the reinforcing ribs (15) are triangular in shape.
5. A high-strength steel structure node according to claim 1, characterized in that: The bottom of the supporting steel column (1) is provided with a column foot node seat (16).