CN216276156U - Portal steel frame structure with stay bar - Google Patents
Portal steel frame structure with stay bar Download PDFInfo
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- CN216276156U CN216276156U CN202122982803.XU CN202122982803U CN216276156U CN 216276156 U CN216276156 U CN 216276156U CN 202122982803 U CN202122982803 U CN 202122982803U CN 216276156 U CN216276156 U CN 216276156U
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Abstract
The utility model discloses a portal steel frame structure with a stay bar, which comprises a first oblique beam, a second oblique beam, a stay bar and a steel column, wherein one end of the first oblique beam is connected with one end of the second oblique beam through a first connecting assembly, the other end of the first oblique beam and the other end of the second oblique beam are both connected with the steel column through a second connecting assembly, the stay bar is arranged between the middle part of the first oblique beam and the middle part of the second oblique beam, and two ends of the stay bar are respectively connected with the first oblique beam and the second oblique beam through a third connecting assembly. According to the portal steel frame structure with the stay bars, the rigid stay bars are added in the portal steel frame structure, so that the steel beam deflection and the column top bending moment are effectively reduced, the bearing capacity and the transverse rigidity of the steel frame are increased, the steel consumption is reduced, and the steel frame deformation caused by wind suction is effectively resisted particularly under the condition of large wind load.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a portal steel frame structure with a stay bar.
Background
The conventional light portal rigid frame structure is widely adopted as a workshop structural system, the economic span of the light portal rigid frame structure is 18-36 m, the steel consumption is greatly increased if the span exceeds 36m, and the steel consumption is greatly increased if the cornice height in the conventional span is higher, and the light portal rigid frame structure is easy to deform under the condition of high wind load.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a portal steel frame structure with a stay bar, and aims to solve the problem that the amount of steel used is increased when the span of the light portal frame structure is large or the cornice is high.
In order to achieve the purpose, the utility model provides a portal steel frame structure with a stay bar, which comprises a first oblique beam, a second oblique beam, a stay bar and a steel column, wherein one end of the first oblique beam is connected with one end of the second oblique beam through a first connecting assembly, the other end of the first oblique beam and the other end of the second oblique beam are both connected with the steel column through a second connecting assembly, the stay bar is arranged between the middle part of the first oblique beam and the middle part of the second oblique beam, and two ends of the stay bar are respectively connected with the first oblique beam and the second oblique beam through a third connecting assembly;
the first connecting assembly comprises a first connecting plate connected with one end of the first oblique beam and a second connecting plate connected with one end of the second oblique beam, the first connecting plate and the second connecting plate are connected through bolts, the top end and the bottom end of the first connecting plate are fixedly connected with one end of a first reinforcing plate, the other end of the first reinforcing plate is connected with the first oblique beam, the top end and the bottom end of the second connecting plate are fixedly connected with one end of a second reinforcing plate, and the other end of the second reinforcing plate is connected with the second oblique beam;
the second connecting assembly comprises a third connecting plate, a fourth connecting plate, a first stiffening plate and a second stiffening plate, the other end of the first oblique beam is connected with the third connecting plate, the top end and the bottom end of the third connecting plate are both connected with one end of the first stiffening plate, the other end of the first stiffening plate is connected with the first oblique beam, the top end of the steel column is fixedly connected with a fixing assembly, one side of the fixing assembly is connected with the fourth connecting plate, the top end of the fourth connecting plate is connected with one end of the second stiffening plate, the other end of the second stiffening plate is connected with the fixing assembly, and the third connecting plate and the fourth connecting plate are connected through bolts;
the third connecting assembly comprises a first T-shaped connecting piece and a second T-shaped connecting piece, one end of the supporting rod is fixedly connected with the first T-shaped connecting piece, the second T-shaped connecting piece is connected with the first oblique beam through two steel plates, and the first T-shaped connecting piece is connected with the second T-shaped connecting piece through bolts.
Preferably, the fixing assembly comprises an upper plate and a lower plate, one end of the upper plate and one end of the lower plate are both connected with one side of the steel column, the other end of the upper plate and the other end of the lower plate are both connected with a fourth connecting plate, the bottom end of the fourth connecting plate is fixedly connected with the other side of the steel column, and the other end of the second stiffening plate is fixedly connected with the upper surface of the upper plate.
Preferably, the first oblique beam and the second oblique beam are both provided with supporting plates, the supporting plates are connected with C-shaped steel purlins, and openings of the C-shaped steel purlins face the first connecting assemblies.
Preferably, two ends of the stay bar are respectively connected with the midpoint of the first oblique beam and the midpoint of the second oblique beam through a third connecting assembly.
Preferably, the bottom end of the steel column is connected with a bottom plate.
Therefore, according to the portal steel frame structure with the stay bars, the rigid stay bars are added in the portal steel frame structure, so that the deflection of the steel beam and the bending moment of the top of the column are effectively reduced, the bearing capacity and the transverse rigidity of the steel frame are increased, and the steel consumption is reduced; under the great condition of wind load, compare in the gate-type steelframe of taking flexible bottom chord to support, can improve the rigidity intensity under vertical load and the wind-suction condition simultaneously, effectively resist the steelframe deformation that the wind-suction arouses, also can not the unstability under the great condition of wind-suction.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a strut-added portal steel frame structure of the present invention;
FIG. 2 is an enlarged view of a first link assembly of an embodiment of the braced portal steel frame structure of the present invention;
FIG. 3 is an enlarged view of a second link assembly of an embodiment of the braced portal steel frame structure of the present invention;
FIG. 4 is an enlarged view of a third link assembly of an embodiment of the braced portal steel frame structure of the present invention.
In the figure: 1. a first inclined beam; 2. a second inclined beam; 3. a steel column; 4. a stay bar; 5. a first connection assembly; 6. a second connection assembly; 7. a third connection assembly; 8. a support plate; 9. c-shaped steel purlines; 10. a base plate; 501. a first connecting plate; 502. a second connecting plate; 503. a first reinforcing plate; 504. a second reinforcing plate; 601. a third connecting plate; 602. a fourth connecting plate; 603. a first stiffener plate; 604. a second stiffener plate; 605. a lower plate; 606. and (7) an upper plate.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Embodiments of the present invention will be further described with reference to the accompanying drawings. As shown in fig. 1-4, a portal steel frame structure with a brace comprises a first inclined beam 1, a second inclined beam 2, a brace 4 and a steel column 3, wherein one end of the first inclined beam 1 is connected with one end of the second inclined beam 2 through a first connecting component 5, the other end of the first inclined beam 1 and the other end of the second inclined beam 2 are connected with the steel column 3 through a second connecting component 6, the brace 4 is arranged between the middle part of the first inclined beam 1 and the middle part of the second inclined beam 2, two ends of the brace 4 are respectively connected with the first inclined beam 1 and the second inclined beam 2 through a third connecting component 7, two ends of the brace 4 are respectively connected with the middle point of the first inclined beam 1 and the middle point of the second inclined beam 2 through a third connecting component 7, the first inclined beam 1 and the second inclined beam 2 are respectively provided with a support plate 8, the support plate 8 is connected with a purlin 9, the opening of the C-shaped steel bar 9 faces the first connecting component 5, backup pad 8 and C shaped steel purlin 9 evenly arrange on first sloping 1 and second sloping 2, guarantee whole gate-type steel frame construction's rigidity intensity. The bottom end of the steel column 3 is connected with a bottom plate 10. The stay bar 4 is added, two ends of the stay bar 4 are not connected with end points of the first oblique beam 1 and the second oblique beam 2, but arranged in the middle of the first oblique beam 1 and the second oblique beam 2, the stay bar 4 is a rigid bar, and different from a traditional flexible lower chord support, the rigid stay bar 4 increases the bearing capacity and the transverse rigidity of the portal steel frame structure, and reduces the steel quantity.
First connecting assembly 5 includes first connecting plate 501 that is connected with first sloping 1 one end and the second connecting plate 502 that is connected with second sloping 2 one end, first connecting plate 501 and second connecting plate 502 are connected through the bolt, the top and the bottom of first connecting plate 501 all with the one end fixed connection of first reinforcing plate 503, the other end of first reinforcing plate 503 is connected with first sloping 1, the top and the bottom of second connecting plate 502 all with the one end fixed connection of second reinforcing plate 504, the other end of second reinforcing plate 504 is connected with second sloping 2. The first reinforcing plate 503 at the top end of the first connecting plate 501 and the second reinforcing plate 504 at the top end of the second connecting plate 502 form a triangular support, so that the connection of the first oblique beam 1 and the second oblique beam 2 is more stable.
The second connecting assembly 6 comprises a third connecting plate 601, a fourth connecting plate 602, a first stiffening plate 603 and a second stiffening plate 604, the other end of the first oblique beam 1 is connected with the third connecting plate 601, the top end and the bottom end of the third connecting plate 601 are both connected with one end of the first stiffening plate 603, the other end of the first stiffening plate 603 is connected with the first oblique beam 1, the top end of the steel column 3 is fixedly connected with a fixing assembly, one side of the fixing assembly is connected with the fourth connecting plate 602, the top end of the fourth connecting plate 602 is connected with one end of the second stiffening plate 604, the other end of the second stiffening plate 604 is connected with the fixing assembly, and the third connecting plate 601 and the fourth connecting plate 602 are connected through bolts; the fixing assembly comprises an upper plate 606 and a lower plate 605, one end of the upper plate 606 and one end of the lower plate 605 are both connected with one side of the steel column 3, the other end of the upper plate 606 and the other end of the lower plate 605 are both connected with a fourth connecting plate 602, the bottom end of the fourth connecting plate 602 is fixedly connected with the other side of the steel column 4, and the other end of the second stiffening plate 604 is fixedly connected with the upper surface of the upper plate 606. The first stiffening plate 603 at the top end of the third connecting plate 601 and the second stiffening plate 604 at the top end of the fourth connecting plate 602 form a triangular support connection, so that the connection between the steel column 3 and the first oblique beam 1 is firmer. The connecting structure of the second oblique beam 2 and the second connecting assembly 6 is the same as the connecting structure of the first oblique beam 1 and the second connecting assembly 6, and the description is omitted.
The third connecting assembly 7 comprises a first T-shaped connecting piece and a second T-shaped connecting piece, one end of the supporting rod 4 is fixedly connected with the first T-shaped connecting piece, the second T-shaped connecting piece is connected with the first oblique beam 1 through two steel plates, and the first T-shaped connecting piece is connected with the second T-shaped connecting piece through bolts. The first T-shaped connecting piece is connected with the supporting rod 4, and the second T-shaped connecting piece is connected with the first oblique beam 1 through fusion welding by adopting a K-shaped groove.
Therefore, according to the portal steel frame structure with the stay bars, the rigid stay bars are added in the portal steel frame structure, so that the deflection of the steel beam and the bending moment of the top of the column are effectively reduced, the bearing capacity and the transverse rigidity of the steel frame are increased, and the steel consumption is reduced; under the great condition of wind load, compare in the gate-type steelframe of taking flexible bottom chord to support, can improve the rigidity intensity under vertical load and the wind-suction condition simultaneously, effectively resist the steelframe deformation that the wind-suction arouses, also can not the unstability under the great condition of wind-suction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a portal steel frame construction who adds vaulting pole which characterized in that: the steel column structure comprises a first oblique beam, a second oblique beam, a stay bar and a steel column, wherein one end of the first oblique beam is connected with one end of the second oblique beam through a first connecting assembly, the other end of the first oblique beam and the other end of the second oblique beam are connected with the steel column through a second connecting assembly, the stay bar is arranged between the middle part of the first oblique beam and the middle part of the second oblique beam, and two ends of the stay bar are respectively connected with the first oblique beam and the second oblique beam through third connecting assemblies;
the first connecting assembly comprises a first connecting plate connected with one end of the first oblique beam and a second connecting plate connected with one end of the second oblique beam, the first connecting plate and the second connecting plate are connected through bolts, the top end and the bottom end of the first connecting plate are fixedly connected with one end of a first reinforcing plate, the other end of the first reinforcing plate is connected with the first oblique beam, the top end and the bottom end of the second connecting plate are fixedly connected with one end of a second reinforcing plate, and the other end of the second reinforcing plate is connected with the second oblique beam;
the second connecting assembly comprises a third connecting plate, a fourth connecting plate, a first stiffening plate and a second stiffening plate, the other end of the first oblique beam is connected with the third connecting plate, the top end and the bottom end of the third connecting plate are both connected with one end of the first stiffening plate, the other end of the first stiffening plate is connected with the first oblique beam, the top end of the steel column is fixedly connected with a fixing assembly, one side of the fixing assembly is connected with the fourth connecting plate, the top end of the fourth connecting plate is connected with one end of the second stiffening plate, the other end of the second stiffening plate is connected with the fixing assembly, and the third connecting plate and the fourth connecting plate are connected through bolts;
the third connecting assembly comprises a first T-shaped connecting piece and a second T-shaped connecting piece, one end of the supporting rod is fixedly connected with the first T-shaped connecting piece, the second T-shaped connecting piece is connected with the first oblique beam through two steel plates, and the first T-shaped connecting piece is connected with the second T-shaped connecting piece through bolts.
2. The braced portal steel frame structure of claim 1 wherein: the fixing assembly comprises an upper plate and a lower plate, one end of the upper plate and one end of the lower plate are connected with one side of the steel column, the other end of the upper plate and the other end of the lower plate are connected with a fourth connecting plate, the bottom end of the fourth connecting plate is fixedly connected with the other side of the steel column, and the other end of the second stiffening plate is fixedly connected with the upper surface of the upper plate.
3. The braced portal steel frame structure of claim 1 wherein: the first oblique beam and the second oblique beam are respectively provided with a supporting plate, the supporting plates are connected with C-shaped steel purlins, and openings of the C-shaped steel purlins face towards the first connecting assembly.
4. The braced portal steel frame structure of claim 1 wherein: and two ends of the support rod are respectively connected with the middle point of the first oblique beam and the middle point of the second oblique beam through a third connecting assembly.
5. The braced portal steel frame structure of claim 1 wherein: the bottom end of the steel column is connected with a bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122982803.XU CN216276156U (en) | 2021-11-30 | 2021-11-30 | Portal steel frame structure with stay bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122982803.XU CN216276156U (en) | 2021-11-30 | 2021-11-30 | Portal steel frame structure with stay bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216276156U true CN216276156U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122982803.XU Active CN216276156U (en) | 2021-11-30 | 2021-11-30 | Portal steel frame structure with stay bar |
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| Country | Link |
|---|---|
| CN (1) | CN216276156U (en) |
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2021
- 2021-11-30 CN CN202122982803.XU patent/CN216276156U/en active Active
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