A steel structure frame connection system

Abstract

The utility model discloses a steel structure frame connection system, including a steel column and a steel beam connected between the steel columns, the steel column and the steel beam are both I-beam structures, the upper end of the steel column is fixedly provided with a first connection plate, the width of the first connection plate is consistent with the width of the flange plate of the steel column, and the length of the first connection plate is longer than the height of the web of the steel column; the lower flange plate at the connection position of the steel beam and the steel column is horizontally arranged to form a second connection plate, the first connection plate and the second connection plate are provided with corresponding bolt holes, and the first connection plate and the second connection plate are connected by bolts; the steel beam is divided into multiple sections, and the connection between two adjacent sections of the steel beam is respectively fixed with a third connection plate, the width of the third connection plate is the same as the width of the steel beam flange plate, and the length is longer than the height of the web of the steel beam, the third connection plate is provided with corresponding bolt holes, and the adjacent third connection plates are connected by bolts. The application has the advantages of easy installation and stable structure.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure construction, in particular to a steel structure frame connection system. Background Art

[0002] Steel structure refers to a structural form that can bear and transfer loads and is made up of steel plates and hot-rolled, cold-bent or welded profiles connected by connectors. The steel structure system has the comprehensive advantages of light weight, factory manufacturing, quick installation, short construction period, good seismic performance, and less environmental pollution. It is widely used in the field of construction engineering.

[0003] The existing Chinese utility model patent with application number CN201220642800.X discloses a steel structure plant assembly, which includes a steel column and a steel beam. The upper end of the steel column is connected to the steel beam. The steel column is a segmented steel column, and the steel beam is a honeycomb H-shaped steel beam. The segmented steel column includes a lower standard section and an upper standard section. The upper end of the lower standard section is connected to the lower end of the upper standard section, the upper end of the upper standard section is connected to the lower end of the bracket composite section, the upper end of the bracket composite section is connected to the lower end of the upper node composite section, and the upper end of the upper node composite section is connected to the honeycomb H-shaped steel beam. The honeycomb H-shaped steel beam is an H-shaped steel beam whose web and wing plates are welded and connected, and a hole is opened on one side of the web to form a honeycomb. When the steel column is manufactured, there will not be a large number of components turning over, and the production efficiency is high. The steel beam adopts a honeycomb H-shaped steel beam, and the unit steel consumption is small. The tonnage of steel column shipment and loading is increased, the production efficiency of the steel column assembly line is improved, and the steel consumption of the steel beam is reduced.

[0004] The above scheme has the following problems: 1. Since the steel beam is a sloped structure with high middle and low sides, it is difficult to position and align the segmented steel beam during high-altitude welding, and high-altitude welding is not easy to perform; 2. The steel beam needs to be interrupted at the middle steel column, which is not conducive to the construction of the roof structure. Utility Model Content

[0005] The utility model provides a steel structure frame connection system, which has the advantages of convenient installation and stable structure.

[0006] The technical problems to be solved are: 1. Since the steel beam is a sloped structure with high middle and low sides, it is difficult to position and align the segmented steel beam during high-altitude welding, and high-altitude welding is not easy to perform; 2. The steel beam needs to be interrupted at the middle steel column, which is not conducive to the construction of the roof structure.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0008] The utility model discloses a steel structure frame connection system, comprising steel columns and steel beams connected between the steel columns, wherein the steel columns and the steel beams are both I-beam structures, a first connection plate is fixedly arranged at the upper end of the steel column, the width of the first connection plate is consistent with the width of the flange plate of the steel column, and the length of the first connection plate is longer than the height of the web plate of the steel column;

[0009] The lower flange plate at the connection position between the steel beam and the steel column is horizontally arranged to form a second connecting plate, the first connecting plate and the second connecting plate are provided with corresponding bolt holes, and the first connecting plate and the second connecting plate are connected by bolts;

[0010] The steel beam is divided into multiple sections, and a third connecting plate is fixed at the connection between two adjacent sections of the steel beam. The width of the third connecting plate is the same as the width of the steel beam flange plate, and the length is longer than the web height of the steel beam. Corresponding bolt holes are opened on the third connecting plate, and adjacent third connecting plates are connected by bolts.

[0011] The utility model provides a steel structure frame connection system. Further, rib plates are arranged between the first connection plate and the flange plate and the web plate of the steel column, and rib plates are arranged between the second connection plate and the flange plate and the web plate of the steel beam.

[0012] The utility model provides a steel structure frame connection system. Further, rib plates are arranged between the third connection plate and the flange plate and the web plate of the steel beam.

[0013] The utility model discloses a steel structure frame connection system. Furthermore, inner columns are arranged between the steel columns, the inner columns are I-beam structures, a fourth connecting plate is fixedly arranged on the upper end of the inner columns, a lower flange plate of the steel beam corresponding to the position of the fourth connecting plate is horizontally arranged to form a fifth connecting plate, and the fourth connecting plate is connected to the fifth connecting plate by bolts.

[0014] The utility model provides a steel structure frame connection system. Further, inner beams are connected between the inner columns, corbels are arranged on the inner columns, and the inner beams and the corbels are connected through clamps and bolts.

[0015] The utility model provides a steel structure frame connection system. Further, the width of the fourth connection plate is the same as the width of the flange plate of the steel column, and the length is longer than the height of the web plate of the steel column.

[0016] The utility model provides a steel structure frame connection system, and further, the steel beam is a sloped structure with a high middle and low ends.

[0017] The utility model provides a steel structure frame connection system, and further, the steel beam is a variable cross-section structure.

[0018] The utility model discloses a steel structure frame connection system. Furthermore, the connection position between the steel beam, the steel column and the inner column is located between the upper and lower flange plates of the steel beam, and a reinforcing rib is fixedly provided thereon. The reinforcing rib is arranged corresponding to the flange plate position of the steel column and the inner column.

[0019] The utility model provides a steel structure frame connection system. Further, a horizontal rib is arranged between the upper and lower flange plates of the inner column, and the horizontal rib is arranged corresponding to the position of the upper and lower flange plates of the inner beam.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. This application forms a connecting plate structure by adjusting the cross-sectional form of the steel beam ends and segments, which can be connected by bolts, avoiding open flame welding, and making it more convenient to position and install the connecting plates. The inner column is connected to the lower part of the steel beam, which does not affect the construction of the subsequent structure.

[0022] 2. By setting the steel beam as a variable cross-section structure, the stability of the node and the convenience of installation are improved;

[0023] 3. By setting ribs and reinforcing ribs at positions corresponding to bolt nodes, the stress performance at the connection nodes is improved and the structural stability is enhanced.

[0024] The utility model will be further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the utility model;

[0026] Figure 2 This is the node diagram of the connection between the steel column and the steel beam of the utility model;

[0027] Figure 3 This is the node diagram of the connection between the inner column and the steel beam of the utility model;

[0028] Figure 4 This is the connection node diagram of the steel beam of the utility model;

[0029] Figure 5 This is the node diagram of the inner column corbel of the utility model;

[0030] Figure 6 for Figure 2 Middle AA section view.

[0031] Reference numerals:

[0032] 1. Steel column; 2. Steel beam; 3. First connecting plate; 4. Second connecting plate; 5. Third connecting plate; 6. Rib plate; 7. Inner column; 8. Fourth connecting plate; 9. Fifth connecting plate; 10. Inner beam; 11. Corbel; 12. Strengthening rib; 13. Horizontal rib. DETAILED DESCRIPTION

[0033] like Figure 1-Figure 6 As shown, the utility model discloses a steel structure frame connection system, including a steel column 1 and a steel beam 2 connected between the steel columns 1, the steel column 1 and the steel beam 2 are both I-beam structures, the steel beam 2 is a sloped structure with a high middle and low ends, a first connecting plate 3 is welded and fixed on the upper end of the steel column 1, the width of the first connecting plate 3 is consistent with the width of the flange plate of the steel column 1, the length of the first connecting plate 3 is longer than the height of the web of the steel column 1, the lower flange plate of the connection position of the steel beam 2 and the steel column 1 is horizontally arranged to form a second connecting plate 4, the first connecting plate 3 and the second connecting plate 4 are provided with corresponding bolt holes, the bolt holes are arranged at intervals along both sides of the web of the steel column 1, and the first connecting plate 3 and the second connecting plate 4 are connected by bolts. The steel beam 2 is divided into multiple sections, and the third connecting plates 5 are respectively fixed at the connection points of the adjacent two ends of the steel beam 2, the width of the third connecting plate 5 is the same as the width of the flange plate of the steel beam 2, and the length is longer than the height of the web of the steel beam 2, the third connecting plate 5 is provided with corresponding bolt holes, the bolt holes are arranged at intervals along both sides of the web of the steel beam 2, and the adjacent third connecting plates 5 are connected by bolts. The present application forms a connecting plate structure by adjusting the cross-sectional form of the ends and segments of the steel beam 2, which can be connected by bolts, avoiding open flame welding, and making positioning and installation between the connecting plates more convenient.

[0034] Ribs 6 are provided between the first connecting plate 3 and the flange plate and web plate of the steel column 1, ribs 6 are provided between the second connecting plate 4 and the flange plate and web plate of the steel beam 2, and ribs 6 are provided between the third connecting plate 5 and the flange plate and web plate of the steel beam 2. The ribs 6 are fixed by welding, and the stability of the connecting plate nodes is enhanced by providing the ribs 6.

[0035] Furthermore, in order to meet the demand for diverse use of steel structure space, an inner column 7 is provided between the steel columns 1. The inner column 7 is an I-beam structure. A fourth connecting plate 8 is welded to the upper end of the inner column 7. The width of the fourth connecting plate 8 is the same as the width of the flange plate of the steel column 1, and the length is longer than the height of the web of the steel column 1. The lower flange plate of the steel beam 2 corresponding to the position of the fourth connecting plate 8 is horizontally arranged to form a fifth connecting plate 9. Corresponding bolt holes are opened on the fourth connecting plate 8 and the fifth connecting plate 9, and the fourth connecting plate 8 and the fifth connecting plate 9 are connected by bolts.

[0036] An inner beam 10 is connected between the inner columns 7, a corbel 11 is fixed on the inner column 7, the inner beam 10 and the corbel 11 are connected by a splint and bolts, a horizontal rib 13 is provided between the upper and lower flange plates of the inner column 7, and the horizontal rib 13 is arranged corresponding to the position of the upper and lower flange plates of the inner beam 10.

[0037] The connection position between the steel beam 2 and the steel column 1 and the inner column 7 is located between the upper and lower flange plates of the steel beam 2 , and a reinforcing rib 12 is fixedly provided. The reinforcing rib 12 is arranged corresponding to the flange plate position of the steel column 1 and the inner column 7 .

[0038] The steel beam 2 is a variable cross-section structure, and the connection between it and the steel column 1 and the inner column 7 is enlarged to improve the stability of the node and the convenience of installation.

[0039] The embodiments described above are merely descriptions of preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A steel structure frame connection system, characterized in that: The invention comprises a steel column (1) and a steel beam (2) connected between the steel columns (1), wherein the steel column (1) and the steel beam (2) are both I-beam structures, a first connecting plate (3) is fixedly provided at the upper end of the steel column (1), the width of the first connecting plate (3) is consistent with the width of the flange plate of the steel column (1), and the length of the first connecting plate (3) is longer than the height of the web plate of the steel column (1); The lower flange plate at the connection position between the steel beam (2) and the steel column (1) is horizontally arranged to form a second connection plate (4), the first connection plate (3) and the second connection plate (4) are provided with corresponding bolt holes, and the first connection plate (3) and the second connection plate (4) are connected by bolts; The steel beam (2) is divided into multiple sections, and a third connecting plate (5) is fixedly provided at the connection between two adjacent sections of the steel beam (2). The width of the third connecting plate (5) is the same as the width of the flange plate of the steel beam (2), and the length is longer than the height of the web of the steel beam (2). Corresponding bolt holes are opened on the third connecting plate (5), and adjacent third connecting plates (5) are connected by bolts.

2. A steel structure frame connection system according to claim 1, characterized in that: Ribs (6) are provided between the first connecting plate (3) and the flange plate and web plate of the steel column (1), and ribs (6) are provided between the second connecting plate (4) and the flange plate and web plate of the steel beam (2).

3. A steel structure frame connection system according to claim 1, characterized in that: Ribs (6) are provided between the third connecting plate (5) and the flange plate and web plate of the steel beam (2).

4. A steel structure frame connection system according to claim 1, characterized in that: An inner column (7) is arranged between the steel columns (1), the inner column (7) is an I-beam structure, a fourth connecting plate (8) is fixedly arranged at the upper end of the inner column (7), a lower flange plate of the steel beam (2) corresponding to the position of the fourth connecting plate (8) is horizontally arranged to form a fifth connecting plate (9), and the fourth connecting plate (8) and the fifth connecting plate (9) are connected by bolts.

5. A steel structure frame connection system according to claim 4, characterized in that: An inner beam (10) is connected between the inner columns (7), a corbel (11) is provided on the inner column (7), and the inner beam (10) and the corbel (11) are connected via a clamping plate and bolts.

6. A steel structure frame connection system according to claim 4, characterized in that: The width of the fourth connecting plate (8) is the same as the width of the flange plate of the steel column (1), and the length is longer than the height of the web plate of the steel column (1).

7. A steel structure frame connection system according to claim 1, characterized in that: The steel beam (2) is a sloped structure with a high middle and low ends.

8. A steel structure frame connection system according to claim 7, characterized in that: The steel beam (2) is a variable cross-section structure.

9. A steel structure frame connection system according to claim 4, characterized in that: A reinforcing rib (12) is fixedly provided at the connection position between the steel beam (2), the steel column (1) and the inner column (7), and between the upper and lower flange plates of the steel beam (2). The reinforcing rib (12) is arranged corresponding to the flange plate position of the steel column (1) and the inner column (7).

10. A steel structure frame connection system according to claim 5, characterized in that: A horizontal rib (13) is provided between the upper and lower flange plates of the inner column (7), and the horizontal rib (13) is arranged corresponding to the position of the upper and lower flange plates of the inner beam (10).

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