CN220133267U - Steel beam and one-sided fixedly connected node structure - Google Patents
Steel beam and one-sided fixedly connected node structure Download PDFInfo
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- CN220133267U CN220133267U CN202321490280.XU CN202321490280U CN220133267U CN 220133267 U CN220133267 U CN 220133267U CN 202321490280 U CN202321490280 U CN 202321490280U CN 220133267 U CN220133267 U CN 220133267U
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- bracket
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 95
- 239000010959 steel Substances 0.000 title claims abstract description 95
- 238000003466 welding Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 230000035515 penetration Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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Abstract
The utility model discloses a steel beam and a unilateral fixedly connected node structure, which are used for solving the problem of unbalance between mechanical properties and manufacturing cost. The single-side fixedly connected node structure comprises a steel beam, a steel column and bracket, wherein two ends of the steel beam are connected with the steel column through the bracket; the bracket is inserted into the cavity structure, and the high-strength bolt is connected with the bracket and the steel beam. The steel beam connecting node is an important part for transmitting bending moment and shearing force, the assembly type steel beam connecting node adopts plug connection, the construction is convenient and quick, the connection between the trapezoid bracket and the steel beam is realized, the matching surface has self-adaptive performance, and the overall performance under the loaded condition and the bearing performance of the connecting component are improved.
Description
Technical Field
The utility model relates to the technical field of steel structures.
Background
In steel frame structural design, the girder steel generally adopts H shaped steel structure, namely, the girder steel is generally H-shaped mechanism composed of vertical plates and wing plates arranged on the upper side and the lower side.
The H-shaped steel structure has the main advantages of simple structure and the disadvantages of being used as a steel beam, and the stability of the H-shaped steel structure is poorer than that of a square steel tube beam, so that a rectangular steel tube beam is used in a large-span occasion at present. The steel tube beam can meet the requirement of large span in mechanical property, but has the disadvantage that the rolling process of the large-caliber steel tube is very complex, so that the manufacturing cost is high, and the application is further limited.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a steel beam and beam column fixedly connected node, which is a steel beam with a novel structure, has the mechanical property and the manufacturing cost between those of the existing H-shaped steel beam and steel tube beam, and has comprehensive performance.
The technical scheme adopted for solving the technical problems is as follows:
the steel beam is formed by welding two symmetrical Z-shaped steels and is internally provided with a cavity structure with a trapezoid outline, and is characterized in that the welded steel beam is provided with an upper wing plate, a lower wing plate and two sloping plates positioned between the upper wing plate and the lower wing plate.
Further, the inclined plate and the upper wing plate are connected with each other by adopting a double-sided penetration welding process.
Further, the upper wing plate is composed of two sub-plates, single-sided welding is carried out between the two sub-plates, and a reinforcing plate is arranged at the welding line position.
Further, the lower wing plate is composed of two sub-plates, single-sided welding is carried out between the two sub-plates, and a reinforcing plate is arranged at the welding line position.
Further, flanges are provided at both ends of the lower wing plate, the flanges form an L-shaped profile downward, and bolt holes are provided on the flanges.
Further, bolt holes are formed in the connecting sections at the two ends of the two inclined plates.
A unilateral fixedly connected node structure comprises a steel beam, a steel column and bracket, wherein two ends of the steel beam are connected with the steel column through the bracket,
the steel beam is formed by welding left and right Z-shaped steel sheets and internally provided with a cavity structure with a trapezoid outline, and is characterized in that the welded steel beam is provided with an upper wing plate, a lower wing plate and two sloping plates positioned between the upper wing plate and the lower wing plate;
the bracket is formed by welding steel plates and has a trapezoid cross section, the bracket is inserted into the cavity structure, and the bracket is connected with the steel beam through the high-strength bolt.
Further, extended flanges are provided at both ends of the lower wing plate, the flanges are formed into an L-shaped profile downward, and the flanges are attached to the upright posts and are connected by using high-strength bolts.
Further, the steel column is a rectangular steel column.
The beneficial effects of the utility model are as follows:
the steel beam connecting node is an important part for transmitting bending moment and shearing force, the assembly type steel beam connecting node adopts plug connection, the construction is convenient and quick, the connection between the trapezoid bracket and the steel beam is realized, the matching surface has self-adaptive performance, and the overall performance under the loaded condition and the bearing performance of the connecting component are improved.
The steel beam with the structure adopts a welding forming process and has the advantage of simple forming process.
Drawings
Fig. 1 is a beam-column node view.
Fig. 2 is a cross-sectional view of AA in fig. 1.
Fig. 3 is a view showing a structure of an end portion of a steel beam.
Fig. 4 is a partial cross-sectional view of a steel beam.
Fig. 5 is a component view of the steel beam.
Fig. 6 is a schematic view of a bracket on a steel column.
In the figure:
10 steel beams, 11 upper wing plates, 12 lower wing plates, 121 turnups, 122 bolt holes, 13 sloping plates, 131 bolt holes, 14 reinforcing plates, 14' reinforcing plates, 15 trapezoid cavities,
a 20-steel column, the steel column,
30 brackets, 31 threaded holes,
40 high strength bolts, 40' high strength bolts.
Detailed Description
The utility model provides a girder steel, this girder steel is the opposite sex structure, is different from traditional I-beam, referring to fig. 3 through 5, and girder steel in this embodiment is the modular structure, specifically has two piece left and right sides zigzag steel to pass through the welded and forms, and inside has the cavity structure of trapezoidal profile. The welded steel beam 10 is provided with an upper wing plate 11, a lower wing plate 12 and two sloping plates 13 positioned between the upper wing plate and the lower wing plate, wherein the sloping plates and the upper wing plate are connected by adopting a double-sided penetration welding process, the upper wing plate 11 is composed of two sub-plates, single-sided welding is carried out between the upper wing plate and the lower wing plate, and a reinforcing plate 14 is arranged at the position of a welding line. Similarly, the reinforcing plate 14' is provided at the joint of the lower wing plate, and the steel beam body is welded by the above construction.
Further, extended flanges 121 are provided at both ends of the lower wing plate 12, which flanges form an L-shaped profile downward, and bolt holes 122 are provided in the flanges.
Bolt holes 131 are also provided in the both end connecting sections of the two swash plates 13.
Referring to fig. 6, the steel column 20 in this embodiment is a rectangular steel column, a trapezoid bracket 30 is welded and fixed on the steel column 20, the bracket has a trapezoid structure in vertical section, and is formed by welding steel plates, the bracket is inserted into the trapezoid cavity 15 at the end of the steel beam 10, a threaded hole 31 is formed in the bracket 30, and the bracket and the steel beam are horizontally constrained by using a high-strength bolt 40, so that connection is completed.
Referring to fig. 1 and 2, the single-side fixedly connected node comprises the steel beam 10, the steel column 20 and the bracket 30, wherein two ends of the steel beam are connected with the steel column through the bracket, and a basically stable structure is formed after the connection. And the flange of the steel beam and the steel column are connected in an auxiliary way by adopting a high-strength bolt 40', so that the steel beam is reinforced, and the node structure is completed.
The steel beam connecting node is an important part for transmitting bending moment and shearing force, the assembly type steel beam connecting node adopts plug connection, the construction is convenient and quick, the connection between the trapezoid bracket and the steel beam is realized, the matching surface has self-adaptive performance, and the overall performance under the loaded condition and the bearing performance of the connecting component are improved.
The steel beam with the structure is formed in a splicing and welding mode, the steel beam has the advantage of simplicity in forming, and even if welding defects such as air holes, slag inclusion, unfused welding, incomplete penetration and the like are generated in the welding process, the strength cannot be influenced, namely, the requirement can be met by adopting a welding process with low technical indexes, and the requirement on the welding process is reduced.
The above examples are provided for illustrating the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and those skilled in the art should not depart from the spirit of the present utility model in all kinds of modifications and improvements that fall within the scope of the present utility model as defined in the appended claims.
Claims (9)
1. The steel beam is formed by welding two symmetrical Z-shaped steel sheets, and is internally provided with a cavity structure with a trapezoid outline, and is characterized in that the welded steel beam (10) is provided with an upper wing plate (11), a lower wing plate (12) and two inclined plates (13) positioned between the upper wing plate and the lower wing plate.
2. The steel beam according to claim 1, wherein the sloping plate and the upper and lower wing plates are connected by a double-sided penetration welding process.
3. A steel girder according to claim 1, characterized in that the upper flanges (11) consist of two sub-plates and are single-sided welded between them, and that stiffening plates (14) are provided at the location of the weld.
4. A steel girder according to claim 1, characterized in that the lower wing plate is composed of two sub-plates and is single-sided welded between them, and that a stiffening plate (14') is provided at the location of the weld.
5. A steel girder according to claim 1, characterized in that flanges (121) are provided at both ends of the lower wing plate (12), said flanges forming an L-shaped profile downwards and in that bolt holes are provided in the flanges.
6. A steel girder according to claim 1, characterized in that the two end connecting sections of the two sloping plates (13) are provided with bolt holes.
7. The unilateral fixedly connected node structure comprises a steel beam (10), a steel column (20) and corbels (30), wherein the two ends of the steel beam are connected with the steel column through the corbels,
the steel beam is formed by welding left and right Z-shaped steel sheets, and is internally provided with a cavity structure with a trapezoid outline, and the welded steel beam (10) is provided with an upper wing plate (11), a lower wing plate (12) and two sloping plates (13) positioned between the upper wing plate and the lower wing plate;
the bracket is formed by welding steel plates and has a trapezoid cross section, the bracket is inserted into the cavity structure, and the bracket and the steel beam are connected through high-strength bolts (40).
8. The single-sided fastening node structure according to claim 7, characterized in that at both ends of the lower wing plate (12) there are provided elongated flanges (121) forming an L-shaped profile downwards, said flanges being in engagement with the uprights and being connected using high-strength bolts.
9. The single-sided rigid joint structure of claim 7, wherein the steel column is a rectangular steel column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490280.XU CN220133267U (en) | 2023-06-12 | 2023-06-12 | Steel beam and one-sided fixedly connected node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321490280.XU CN220133267U (en) | 2023-06-12 | 2023-06-12 | Steel beam and one-sided fixedly connected node structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220133267U true CN220133267U (en) | 2023-12-05 |
Family
ID=88951325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321490280.XU Active CN220133267U (en) | 2023-06-12 | 2023-06-12 | Steel beam and one-sided fixedly connected node structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220133267U (en) |
-
2023
- 2023-06-12 CN CN202321490280.XU patent/CN220133267U/en active Active
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