CN215211573U - Connecting joint for penetrating through cylinder by steel structure cantilever beam - Google Patents
Connecting joint for penetrating through cylinder by steel structure cantilever beam Download PDFInfo
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- CN215211573U CN215211573U CN202120726652.9U CN202120726652U CN215211573U CN 215211573 U CN215211573 U CN 215211573U CN 202120726652 U CN202120726652 U CN 202120726652U CN 215211573 U CN215211573 U CN 215211573U
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Abstract
The utility model discloses a connecting node of a steel structure cantilever beam through a cylinder, wherein one side of a box type steel column is provided with a steel beam cantilever, and the other three sides are provided with steel frame beams connected between columns; the cantilever beam is arranged at the position of the opening in a penetrating manner, and the non-cantilever end of the cantilever beam is welded, connected with a steel frame beam B between the connecting plates and the bolt connecting columns; and the rest two non-overhanging side outer walls of the box-type steel column are respectively welded and fixed with brackets, and the brackets are connected with the steel frame beam A between the columns through welding, connecting plates and bolts. The utility model discloses the structure can realize steel construction cantilever beam and box column connection department, and the cantilever beam is continuous component, has avoided the junction welding not firm, perhaps the connecting piece pine takes off the emergence of phenomenons such as waiting, has improved the bearing capacity of cantilever beam.
Description
Technical Field
The utility model relates to a building steel construction field specifically is a steel construction cantilever beam runs through connected node of cylinder.
Background
Steel structure buildings are usually made of beams, columns, trusses and other members made of hot rolled section steel, welded section steel or steel plate, etc. to form a load-bearing structure, which, together with the building enclosures such as roofs, floors and walls, etc., form a whole building. Compared with the traditional concrete building, the steel plate or the section steel replaces reinforced concrete, so that the steel structure building has higher strength, stronger plastic deformation capacity, good earthquake-resistant and wind-resistant performance and improved safety and reliability of the building. Compared with a concrete structure, the steel structure material has the characteristics of environmental protection, reutilization and the like, and is beneficial to promoting the industrialization of the building industry.
The existing steel structure beam column connection mode has some defects. For example, the currently commonly used steel structure beam-column rigid connection node mainly has three forms: 1. the beam end is connected with the column by welding seams; 2. the beam flange and the column are connected by adopting a welding seam, and the beam web and the column are connected by adopting a high-strength bolt; 3. the beam end and the column are connected by high-strength bolts of a common T-shaped connecting piece. However, when the structure is such that the steel beam is cantilevered from the steel column, the cantilevered steel beam cannot be prevented from being cut at the beam-column connection by adopting the three connection modes, and the cantilevered beam is connected with the steel column by adopting bolts or welding seams at the root of the cantilevered beam (where the bending moment and the shearing force are the largest and the key part of the cantilevered structure), so that the cantilevered beam cannot form continuous steel beam members at the cantilevered side and the inner side of the steel column, and the quality control of the splicing welding seams at the key part has higher requirements.
Disclosure of Invention
The utility model aims at providing a steel construction cantilever beam runs through connected node structure of cylinder, this structure can realize steel construction cantilever beam and box column connection department, and the cantilever beam is continuous component, has avoided the junction welding not firm, perhaps the emergence of phenomenons such as connecting piece pine takes off, has improved the bearing capacity of cantilever beam.
In order to achieve the above object, the utility model provides a following technical scheme:
a steel structure cantilever beam penetrates through a connecting node of a column body, one side of a box type column is provided with a steel beam cantilever, and the other three sides are connected by steel frame beams between columns; the cantilever beam is arranged at the position of the opening in a penetrating manner, and the non-cantilever end of the cantilever beam is welded, connected with a steel frame beam B between the connecting plates and the bolt connecting columns; and the outer walls of the two remaining non-overhanging sides of the box column are respectively welded and fixed with brackets, and the brackets are connected with the steel frame beam A between the columns through welding, connecting plates and bolts.
The bracket is H-shaped steel, and the stiffening partition plates are arranged in the inner cavity of the box-type column and correspond to the upper flange and the lower flange of the bracket respectively. The upper and lower pterygoid lamina of bracket produces great horizontal force to the post wallboard, therefore the stiffening partition plate that the box post inner chamber adds the welding can provide sufficient rigidity, prevents that the cylinder from producing local destruction.
The cantilever beam is H-shaped steel, the opening formed in the cantilever side and the cantilever opposite side is 2-3mm (convenient to install and operate) larger than the cross section of the cantilever beam, and the opening boundary is fixed with the edge of the cantilever beam through welding.
The connecting plates are arranged as double connecting plates and are fixed on two sides of a web plate of the H-shaped steel.
The utility model discloses a construction steps as follows:
(1) splicing four wall plates of the steel structure box column; when the wall plates are spliced, welding stiffening partition plates corresponding to the upper flange and the lower flange of the non-cantilever side bracket into the steel structure box column, and adopting a full penetration butt welding line;
(2) according to the cross section of the continuously through cantilever beam, forming holes in one side wall plate and the other side wall plate of the steel structure box column which is picked out by the cantilever beam, wherein the size of each hole is 2-3mm larger than the cross section of the beam;
(2) penetrating the continuously-through cantilever beam section through the steel structure box column through the opening, welding the cantilever beam section and the box column along the opening boundary after accurate positioning, and adopting a full penetration groove welding seam;
(3) welding the inter-column steel frame beam connecting bracket of the vertically and continuously communicated cantilever beam section on the other two side plates of the steel structure box column according to positioning, and adopting a full penetration groove welding seam;
(4) the operation is finished in a steel structure processing factory and then the steel structure processing factory is transported to an engineering site for subsequent hoisting construction;
(5) after the cantilever beam and column connecting component processed in a factory is installed in place on a construction site; the welding and splicing of the other three sides of the box-type column are all in-situ construction connection, namely the flanges are connected by a completely welded groove butt weld, and the webs are connected by high-strength bolts.
The utility model has the advantages that:
1. this steel construction beam-column connection, according to the cross-section of the cantilever beam on the steel column one side wallboard that the cantilever beam was chosen and on the trompil on the lateral wall board, the girder segment of encorbelmenting that will link up in succession passes steel construction box column through the trompil, avoids the girder steel of encorbelmenting to be cuted in beam-column junction, makes the cantilever beam form continuous girder steel component in steel column both sides. The reasonability and reliability of force transmission of the cantilever beam are ensured from the structural construction, so that the safety performance and the bearing capacity of the whole cantilever structure are improved.
2. The important connecting welding line is finished in the machining stage of a factory, so that the uncontrollable quality of the welding line in field welding and the difficulty in field welding are avoided, and the quality of the welding line is ensured.
Drawings
FIG. 1 is a schematic top view of the middle section structure of the present invention;
FIG. 2 is a sectional view of the section A-A in FIG. 1;
FIG. 3 is a cross-sectional view of the cross-section B-B of FIG. 1;
FIG. 4 is a schematic view of a combination structure of a cantilever beam and a box column;
the names corresponding to the sequence numbers in the figure are:
1. a box-shaped steel column; 2. a cantilever beam; 3. a bracket; 4. a steel frame beam A between columns; 5. a steel frame beam B between columns; 6. a connecting plate; 7. a bolt; 8. a stiffening bulkhead.
Detailed Description
A steel structure cantilever beam penetrates through a connecting node of a column body, one side of a box type steel column 1 is provided with a steel beam cantilever, and the other three sides are provided with steel frame beams connected between columns; the overhanging side and the overhanging opposite side are provided with holes, the cross section of each hole is the same as the cross section of the overhanging beam 2, the overhanging beam 2 penetrates through the hole, and the non-overhanging end of the overhanging beam 2 is connected with an inter-column steel frame beam B5 through welding, a connecting plate 6 and a bolt 7; the outer walls of the two remaining non-overhanging sides of the box-shaped steel column 1 are respectively welded and fixed with brackets 3, and the brackets 3 are connected with steel frame beams A4 between columns through welding and connecting plates 6 and bolts;
the bracket 3 is H-shaped steel, and stiffening partition plates 8 are arranged in the inner cavity of the box-type steel column 1 and respectively correspond to the upper flange and the lower flange of the bracket 3;
the cantilever beam 2 is H-shaped steel, the sizes of openings arranged on the cantilever side and the cantilever opposite side are 2-3mm larger than the size of the cross section of the cantilever beam 2, and the opening boundary is fixed with the edge of the cantilever beam 2 by welding;
the connecting plates 6 are double connecting plates and are fixed on two sides of a web plate of the H-shaped steel.
Claims (4)
1. The utility model provides a steel construction cantilever beam runs through connected node of cylinder which characterized in that: one side of the box-type steel column (1) is provided with a steel beam cantilever, and the other three sides are connected by steel frame beams between columns; the overhanging side and the overhanging opposite side are provided with holes, the cross section of each hole is the same as the cross section of the overhanging beam (2), the overhanging beam (2) penetrates through the hole, and the non-overhanging end of the overhanging beam (2) is connected with an inter-column steel frame beam B (5) through welding, a connecting plate (6) and a bolt (7); and the rest two non-overhanging side outer walls of the box-type steel column (1) are respectively welded and fixed with brackets (3), and the brackets (3) are connected with steel frame beams A (4) between the columns through welding, connecting plates (6) and bolts.
2. The connection node of the steel structure cantilever beam penetrating column according to claim 1, characterized in that: the bracket (3) is H-shaped steel, and the inner cavity of the box-type steel column (1) is internally provided with a stiffening partition plate (8) which corresponds to the upper flange and the lower flange of the bracket (3) respectively.
3. The connection node of the steel structure cantilever beam penetrating column according to claim 1, characterized in that: the cantilever beam (2) is H-shaped steel, the sizes of openings formed in the cantilever side and the cantilever opposite side are 2-3mm larger than the cross section of the cantilever beam (2), and the opening boundary is fixed with the edge of the cantilever beam (2) through welding.
4. The connection node of the steel structure cantilever beam penetrating column according to claim 1, characterized in that: the connecting plates (6) are arranged as double connecting plates and are fixed on two sides of a web plate of the H-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120726652.9U CN215211573U (en) | 2021-04-10 | 2021-04-10 | Connecting joint for penetrating through cylinder by steel structure cantilever beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120726652.9U CN215211573U (en) | 2021-04-10 | 2021-04-10 | Connecting joint for penetrating through cylinder by steel structure cantilever beam |
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| Publication Number | Publication Date |
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| CN215211573U true CN215211573U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120726652.9U Active CN215211573U (en) | 2021-04-10 | 2021-04-10 | Connecting joint for penetrating through cylinder by steel structure cantilever beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117966895A (en) * | 2024-03-29 | 2024-05-03 | 华侨大学 | Steel structure energy consumption node device with controllable damage and construction method |
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2021
- 2021-04-10 CN CN202120726652.9U patent/CN215211573U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117966895A (en) * | 2024-03-29 | 2024-05-03 | 华侨大学 | Steel structure energy consumption node device with controllable damage and construction method |
| CN117966895B (en) * | 2024-03-29 | 2024-06-11 | 华侨大学 | Steel structure energy consumption node device with controllable damage and construction method |
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