CN212772811U - Joist connecting structure applied to column-drawing portal rigid frame system - Google Patents
Joist connecting structure applied to column-drawing portal rigid frame system Download PDFInfo
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- CN212772811U CN212772811U CN202020880905.3U CN202020880905U CN212772811U CN 212772811 U CN212772811 U CN 212772811U CN 202020880905 U CN202020880905 U CN 202020880905U CN 212772811 U CN212772811 U CN 212772811U
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Abstract
The utility model relates to a joist connecting structure applied to a column-drawing portal rigid frame system, which comprises a portal rigid frame beam and a plurality of rows of I-steel columns for supporting the portal rigid frame beam, wherein a portal rigid frame beam and a row of I-steel columns form a portal rigid frame; the portal rigid frame beam comprises a standard portal rigid frame beam and a column-drawing portal rigid frame beam, a supporting beam for supporting the column-drawing portal rigid frame beam is arranged at the column-drawing position of the column-drawing portal rigid frame beam, the supporting beam is perpendicular to the column-drawing portal rigid frame beam, the two ends of the supporting beam are respectively connected with end plates, and the end plates at the two ends of the supporting beam are respectively connected with webs of I-shaped steel columns, which are positioned on the portal rigid frames at the two sides of the supporting beam and adjacent to the column-drawing position, through bolts. The utility model is suitable for a steel column in the middle of the standard gate-type rigid frame is taken out because of technology needs, replaces to take out the joist joint construction that steel column supporting rigid frame crossbeam formed with the joist, and it has proposed the joist joint construction under this special circumstances, can satisfy the major structure atress requirement, can make construction hoist and mount convenience again.
Description
Technical Field
The utility model belongs to the building structure field, concretely relates to joist joint construction among take-out post portal rigid frame system.
Background
At present, most industrial plants are light portal rigid frame buildings, column drawing design is often needed due to process requirements, and cross beams at the positions of the columns are supported by supporting beams to bear roof loads. For example, a steel structure factory building of a certain prefabricated part production workshop is in a structural form of a portal rigid frame, the span of the rigid frame along a longitudinal standard column is 7.0m, the span of the rigid frame along a transverse direction is 4, the length of the rigid frame is 120m, the length of the rigid frame along a longitudinal direction is 25 m, and the length of the rigid frame along a longitudinal standard column is 175 m. The phenomenon is common in industrial plants, the plant design is mainly based on process requirements, and the connecting structure of the standard cross-portal rigid frame is mature. However, for a column-drawing portal rigid frame system, the connection structure of the joist is not mature, continuous optimization is needed in the actual design process, the vertical force transmitted by the joist to the steel column supporting the joist is large, and a reasonable structure is adopted to avoid the excessive eccentricity generated by the vertical force transmitted to the steel column.
Disclosure of Invention
In order to solve the problem that the joist joint construction of taking out post portal rigid frame system is not mature yet and the suitability is not strong, the utility model provides a be applied to the joist joint construction of taking out post portal rigid frame system has simple structure, characteristics that the suitability is strong.
The utility model adopts the following technical proposal: a joist connection structure applied to a column-drawing portal rigid frame system comprises a portal rigid frame beam and a plurality of rows of I-shaped steel columns for supporting the portal rigid frame beam, wherein a portal rigid frame beam and a row of I-shaped steel columns form a portal rigid frame; the portal rigid frame beam comprises a standard portal rigid frame beam and a column-drawing portal rigid frame beam, a supporting beam for supporting the column-drawing portal rigid frame beam is arranged at the column-drawing position of the column-drawing portal rigid frame beam, the supporting beam is perpendicular to the column-drawing portal rigid frame beam, the two ends of the supporting beam are respectively connected with end plates, and the end plates at the two ends of the supporting beam are respectively connected with webs of I-shaped steel columns, which are positioned on the portal rigid frames at the two sides of the supporting beam and adjacent to the column-drawing position, through bolts.
The joist is an I-shaped steel girder, the end plate is welded and connected with the end part of the web plate of the joist through a double-sided fillet weld, and meanwhile, the end plate is welded and connected with the end part of the lower flange of the joist through a slit weld.
The beam of the column-drawing portal rigid frame is an I-shaped steel beam, and the lower flange of the beam of the column-drawing portal rigid frame is connected with the upper flange of the supporting beam through a bolt.
And a lining plate is arranged between the lower flange of the beam of the column-drawing portal rigid frame and the upper flange of the joist.
And the supporting plates are arranged on the I-steel columns adjacent to the extraction column on the portal rigid frames on the two sides of the joist, the supporting plates are welded with webs and flanges of the I-steel columns by fillet welds, and the supporting plates are positioned below the end plates of the joist and are tightly connected with the end plates.
The utility model discloses the superiority of technique lies in: the cross beam can be guaranteed to be capable of effectively transmitting bending moment at the position of the column drawing position, only vertical force is transmitted to the joist at the same time, the joist is prevented from bearing torque, the vertical force transmitted to the supporting steel column by the joist through a reasonable structure is small in eccentric distance, the main structure is reasonable in stress, the force transmission path is clear, the applicability is high, and meanwhile, the connecting structure is connected through bolts, so that the construction and installation are convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection structure of the joist and the i-steel column of the present invention.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a schematic view of the connection structure of the joist and the beam of the pillar pulling portal rigid frame of the present invention.
Fig. 5 is a sectional view B-B of fig. 4.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached drawings 1-5, the utility model comprises a portal rigid frame beam and a plurality of rows of I-shaped steel columns 7 for supporting the portal rigid frame beam, wherein a portal rigid frame beam and a row of I-shaped steel columns 7 form a portal rigid frame; the portal rigid frame beam comprises a standard portal rigid frame beam 1' and a column-drawing portal rigid frame beam 1, a supporting beam 6 for supporting the column-drawing portal rigid frame beam 1 is arranged at a column-drawing position I of the column-drawing portal rigid frame beam 1, the supporting beam 6 is perpendicular to the column-drawing portal rigid frame beam 1, two ends of the supporting beam 6 are respectively connected with an end plate 10, and the end plates 10 at two ends of the supporting beam 6 are respectively connected with webs of I-steel columns 7, which are positioned on portal rigid frames at two sides of the supporting beam 6 and are adjacent to the column-drawing position I, through high-strength bolts 9.
The joist 6 is an I-shaped steel beam, the joist 6 is provided with a joist stiffening rib 4, and the joist stiffening rib 4 is arranged on two sides of a web of the I-shaped steel beam and aligned with the web of the beam 1 of the column-drawing portal rigid frame. The end plate 10 is welded and connected with the end part of the web plate of the joist 6 by a double-sided fillet weld, and is welded and connected with the end part of the lower flange of the joist 6 by a slit weld.
The beam 1 of the pull column portal rigid frame is an I-shaped steel beam, the beam 1 of the pull column portal rigid frame is provided with a beam stiffening rib 2, and the beam stiffening rib 2 is arranged on two sides of a web of the I-shaped steel beam and is aligned with the web of the joist 6. The lower flange of the beam 1 of the sliding column portal rigid frame is connected with the upper flange of the joist 6 through a bolt 3.
And a lining plate 5 is arranged between the lower flange of the beam 1 of the column-drawing portal rigid frame and the upper flange of the joist 6.
And the I-steel columns 7 adjacent to the column drawing part I on the portal rigid frames positioned at two sides of the joist 6 are provided with supporting plates 11 and steel column transverse stiffening ribs 8, the supporting plates 11 are welded with webs and flanges of the I-steel columns 7 by fillet welds, and the supporting plates 11 are positioned below end plates 10 of the joist 6 and are tightly connected with the end plates 10.
The utility model discloses the joist satisfies rigid connection with taking out post rigid frame crossbeam and is connected and mainly be this node position can transmit crossbeam moment of flexure and vertical power, and the crossbeam only transmits vertical power for the joist simultaneously, so can adopt rigid frame crossbeam continuous, and the flange adopts bolted connection on the lower limb and the joist. The steel column of the portal rigid frame is generally made of I-shaped steel, the main shaft is in the direction of the cross beam, so the joist is connected with the weak shaft of the steel column, the joist is prevented from transmitting bending moment to the supported steel column as far as possible, the eccentricity generated by the eccentricity of vertical force is included, so the joist is in bolted connection with the web plate of the steel column, the eccentricity is minimum, and meanwhile, the supporting plate is welded on the web plate of the steel column to support the joist, locally reinforce the web plate and effectively transmit the vertical force.
The utility model discloses can guarantee that main part rigid frame atress transmission route is clear, simple structure, construction simple to operate has general suitability.
Claims (5)
1. The utility model provides a be applied to joist connection structure of taking out post portal rigid frame system which characterized in that: the portal rigid frame comprises a portal rigid frame beam and a plurality of rows of I-shaped steel columns for supporting the portal rigid frame beam, wherein a portal rigid frame beam and a row of I-shaped steel columns form a portal rigid frame; the portal rigid frame beam comprises a standard portal rigid frame beam and a column-drawing portal rigid frame beam, a supporting beam for supporting the column-drawing portal rigid frame beam is arranged at the column-drawing position of the column-drawing portal rigid frame beam, the supporting beam is perpendicular to the column-drawing portal rigid frame beam, the two ends of the supporting beam are respectively connected with end plates, and the end plates at the two ends of the supporting beam are respectively connected with webs of I-shaped steel columns, which are positioned on the portal rigid frames at the two sides of the supporting beam and adjacent to the column-drawing position, through bolts.
2. The joist connection structure applied to a sliding column portal rigid frame system according to claim 1, wherein: the joist is an I-shaped steel girder, the end plate is welded and connected with the end part of the web plate of the joist through a double-sided fillet weld, and meanwhile, the end plate is welded and connected with the end part of the lower flange of the joist through a slit weld.
3. The joist connection structure applied to a sliding column portal rigid frame system according to claim 2, wherein: the beam of the column-drawing portal rigid frame is an I-shaped steel beam, and the lower flange of the column-drawing portal rigid frame beam is connected with the upper flange of the supporting beam through a bolt.
4. The joist connection structure applied to a sliding column portal rigid frame system according to claim 3, wherein: a lining plate is arranged between the lower flange of the beam of the column-drawing portal rigid frame and the upper flange of the joist.
5. The joist connection structure applied to a sliding column portal frame system according to claim 1, 2, 3 or 4, wherein: and the supporting plates are arranged on the I-steel columns adjacent to the extraction column on the portal rigid frames on the two sides of the joist, the supporting plates are welded with webs and flanges of the I-steel columns by fillet welds, and the supporting plates are positioned below the end plates of the joist and are tightly connected with the end plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020880905.3U CN212772811U (en) | 2020-05-23 | 2020-05-23 | Joist connecting structure applied to column-drawing portal rigid frame system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020880905.3U CN212772811U (en) | 2020-05-23 | 2020-05-23 | Joist connecting structure applied to column-drawing portal rigid frame system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212772811U true CN212772811U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020880905.3U Active CN212772811U (en) | 2020-05-23 | 2020-05-23 | Joist connecting structure applied to column-drawing portal rigid frame system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212772811U (en) |
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2020
- 2020-05-23 CN CN202020880905.3U patent/CN212772811U/en active Active
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