CN212743141U - Cold-bending formed steel pipe combined special-shaped column - Google Patents
Cold-bending formed steel pipe combined special-shaped column Download PDFInfo
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- CN212743141U CN212743141U CN202021515879.0U CN202021515879U CN212743141U CN 212743141 U CN212743141 U CN 212743141U CN 202021515879 U CN202021515879 U CN 202021515879U CN 212743141 U CN212743141 U CN 212743141U
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Abstract
The utility model discloses a fashioned steel pipe combination dysmorphism post of clod wash, including many rectangle steel-pipe column along vertical direction setting, many steel-pipe column combinations form combination dysmorphism post, work as when combination dysmorphism post has the external corner, just form between three steel-pipe column at this external corner in external corner one side of combination dysmorphism post, link to each other through first connecting plate between two steel-pipe column that are connected to with two steel-pipe column with one side fixed linking to each other. And the three steel pipe columns which form the internal corner on one side of the internal corner of the combined special-shaped column are connected with each other through a second connecting plate and a third connecting plate. The utility model discloses set up the polylith connecting plate between many steel-pipe columns, play the additional strengthening to the steel-pipe column, weld in the straight district simultaneously, avoided stress concentration, improved steel-pipe column limit bearing capacity.
Description
Technical Field
The utility model relates to a building structure technical field, concretely relates to cold roll forming's steel pipe combination dysmorphism post.
Background
Compared with the traditional concrete structure and masonry structure system, the cold-bending steel structure system has outstanding advantages in the aspects of earthquake resistance, wind resistance, construction period, energy conservation, environmental protection, modular design, standardized production and industrialized popularization.
For traditional square and rectangular cross section frame post, what to represent T shape, L shape and cross is special-shaped cross section post, and this kind of special-shaped cross section post also is called special-shaped post, can avoid indoor stupefied exposing, is convenient for furniture to put and improves building space's utilization ratio. The special-shaped column does not protrude out of the wall body, is simple and attractive, is beneficial to the regulation and utilization of indoor space, and is widely applied to building houses in recent years. The special-shaped steel pipe column using the cold-formed steel as the main component has the advantages of large bending resistance and torsional rigidity, flexible assembly, convenient construction, simple appearance and the like, and the closed section form of the beam column is more favorable for the plate layout stability of the cold-formed steel than the open section.
However, the steel pipe column formed by cold bending has residual stress, particularly, the residual stress of the corner area is larger than that of the straight area, and the residual stress can reduce the rigidity and stability of the steel pipe column after the steel pipe column bears load, so that the performance of the steel pipe column cannot be fully exerted. At present, the prior art generally adopts the mode that the welding is directly carried out in the corner area of the steel pipe column, for example, in patent CN108098984, the welding is carried out in the corner area with the large stress, the stress is more concentrated after the welding, and the limit performance of the bearing steel pipe column is further reduced. Meanwhile, the force of the special-shaped columns and the frame beam is transferred by the externally attached connecting plate, and the flatness is poor.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model aims to provide a cold roll forming's steel pipe combination dysmorphism post to solve the regional stress concentration of corner, reduce the problem of steel-pipe column limit bearing capacity among the prior art.
Solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a special-shaped post of cold roll forming's steel pipe combination, includes many rectangle steel-pipe columns along vertical direction setting, and many steel-pipe column combinations form combination special-shaped post. When the combined special-shaped column is provided with an external corner, two connected steel pipe columns are connected through a first connecting plate in the three steel pipe columns forming the external corner on one side of the external corner of the combined special-shaped column, the first connecting plate is fixedly connected with the same side of the two steel pipe columns, and the upper end and the lower end of the first connecting plate respectively extend to the upper end and the lower end of the steel pipe column. And on one side of the internal corner of the combined special-shaped column, the three steel pipe columns forming the internal corner are connected through a second connecting plate and a third connecting plate, and the second connecting plate and the third connecting plate are distributed in a T shape and are fixedly connected together. The second connecting plate is fixedly connected with the same side of the two connected steel pipe columns, the free side of the third connecting plate is fixedly connected with the other steel pipe column, and the upper end and the lower end of the second connecting plate and the upper end and the lower end of the third connecting plate respectively extend to the upper end and the lower end of the steel pipe column.
The utility model discloses in, first connecting plate, second connecting plate and third connecting plate all are located the outside of steel-pipe column, form the outsourcing structure to the steel-pipe column, this just makes first connecting plate, second connecting plate and third connecting plate all are located the straight district of steel-pipe column with the junction of steel-pipe column, and weld fixture is gone on in straight district, this fine stress concentration of having avoided, thereby improve the limit bearing capacity of steel-pipe column, and simultaneously, first connecting plate, second connecting plate and third connecting plate have played the additional strengthening to the steel-pipe column, make the bearing capacity of steel-pipe column improve greatly, also make the dysmorphism post that forms have level and smooth surface.
Preferably, the plurality of steel pipe columns are distributed in an L shape and a T shape to form the steel pipe combined special-shaped column with the L-shaped and T-shaped cross section.
Preferably, at least two fixing strips are respectively arranged at the upper ends of the external corner side and the internal corner side of the combined special-shaped column, the fixing strips and the first connecting plate, the second connecting plate or the third connecting plate at the corresponding side of the combined special-shaped column are positioned on the same plane, one end of each fixing strip is fixedly connected with the steel pipe column, and the other end of each fixing strip extends out of the steel pipe column in the direction far away from the first connecting plate, the second connecting plate or the third connecting plate. The steel-pipe column passes through the fixed strip and links to each other with the girder steel is fixed, and the fixed strip flushes mutually with first connecting plate, second connecting plate, third connecting plate, can guarantee the roughness of steel-pipe column and girder steel junction.
Preferably, the width of the joint of the first connecting plate, the second connecting plate and the third connecting plate with the steel pipe column is not less than one fourth of the width of the steel pipe column.
Preferably, concrete is filled in a cavity defined by the steel pipe column, the first connecting plate, the second connecting plate and the third connecting plate to form the steel pipe combined special-shaped concrete column.
The utility model provides a special-shaped post of steel pipe combination of cold-bending shaping, combination special-shaped post includes five steel-pipe columns, and five steel-pipe columns are the cross and distribute to form four reentrant corners. The steel pipe columns forming the internal corners are connected with each other through a second connecting plate and a third connecting plate on the side of each internal corner of the combined special-shaped column, and the second connecting plate and the third connecting plate are distributed in a T shape and are fixedly connected together. The second connecting plate is fixedly connected with the same side of the two connected steel pipe columns, the free side of the third connecting plate is fixedly connected with the other steel pipe column, and the upper end and the lower end of the second connecting plate and the upper end and the lower end of the third connecting plate respectively extend to the upper end and the lower end of the steel pipe column.
Preferably, at least two fixing strips are respectively arranged at the upper ends of the external corner side and the internal corner side of the combined special-shaped column, the fixing strips and the second connecting plate or the third connecting plate at the corresponding side of the combined special-shaped column are positioned on the same plane, one end of each fixing strip is fixedly connected with the steel pipe column, and the other end of each fixing strip extends out of the steel pipe column in the direction away from the second connecting plate or the third connecting plate. The steel-pipe column passes through the fixed strip and links to each other with the girder steel is fixed, and the fixed strip flushes mutually with second connecting plate or third connecting plate, can guarantee the roughness of steel-pipe column and girder steel junction.
Preferably, the width of the joint of the second connecting plate and the third connecting plate with the steel pipe column is not less than one fourth of the width of the steel pipe column.
Preferably, concrete is filled in a cavity defined by the steel pipe column, the second connecting plate and the third connecting plate to form the steel pipe combined special-shaped concrete column.
Preferably, one side of the second connecting plate, which is far away from the third connecting plate, is also provided with a reinforcing plate, the reinforcing plate and the third connecting plate are positioned on the same plane, one side of the reinforcing plate, which is close to the steel pipe column, is fixedly connected with the steel pipe column, one side of the reinforcing plate, which is close to the second connecting plate, is fixedly connected with the second connecting plate, and the upper end and the lower end of the reinforcing plate respectively extend to the upper end and the lower end of the steel pipe column. The reinforcing plates are arranged, so that force transmission between the connecting plates is more definite, and the stability of bearing capacity of the steel pipe column is ensured.
Compared with the prior art, the utility model has the advantages of as follows:
1. the utility model discloses set up the polylith connecting plate between many steel-pipe columns, make many steel-pipe columns pass through first connecting plate, the second connecting plate, the third connecting plate links to each other, form the outsourcing structure to the steel-pipe column, and simultaneously, first connecting plate, the second connecting plate, the junction of third connecting plate and steel-pipe column all is located the straight district of steel-pipe column, welding operation is carried out in straight district, fine having avoided prior art to weld the condition that causes stress concentration in the corner district, the limit bearing capacity of steel-pipe column has been improved.
2. The utility model discloses first connecting plate, second connecting plate, third connecting plate have still played the additional strengthening to the steel-pipe column, make the bearing capacity of steel-pipe column improve greatly, and simultaneously, first connecting plate, second connecting plate, third connecting plate make special-shaped column have smooth surface, reach the succinct effect of special-shaped column outward appearance, reduce follow-up fitment operation to special-shaped column surface.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is a schematic structural view of embodiment 2.
Fig. 3 is a schematic structural view of embodiment 3.
In the figure: the steel pipe column comprises a steel pipe column 1, a first connecting plate 2, a second connecting plate 3, a third connecting plate 4, a fixing strip 5 and a reinforcing plate 6.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1: referring to fig. 1, the cold-roll formed steel pipe combined special-shaped column comprises a plurality of rectangular steel pipe columns arranged in the vertical direction, the plurality of steel pipe columns are combined to form the combined special-shaped column, and the steel pipe columns are prepared by cold-roll forming. When a plurality of steel pipe columns are distributed in an L shape, an L-shaped combined special-shaped column is formed and comprises three steel pipe columns, when the L-shaped combined special-shaped column is provided with an external corner, one side of the external corner of the combined special-shaped column is connected with the three steel pipe columns forming the external corner through two first connecting plates 2, the two connected steel pipe columns are connected through the first connecting plates, the two first connecting plates are respectively positioned at two sides of the two steel pipe columns, namely at two sides of the external corner of the combined special-shaped column, the two sides of the first connecting plates are respectively fixedly connected with the same side of the two steel pipe columns, and the upper end and the lower end of each first connecting plate respectively extend to the upper end and the lower end of the steel pipe column. The width of the connecting part of the first connecting plate and the steel pipe column is not less than one fourth of the side surface of the steel pipe column.
The steel pipe column connecting structure is characterized in that one side of an internal corner of the combined special-shaped column is connected with three steel pipe columns forming the internal corner through a second connecting plate and a third connecting plate, the second connecting plate and the third connecting plate are distributed in a T shape and are fixedly connected together, and one end of the third connecting plate is fixedly connected with one side, deviating from the steel pipe columns, of the second connecting plate. The second connecting plate is fixedly connected with the same side of the two connected steel pipe columns, the free side of the third connecting plate is fixedly connected with the other steel pipe column, namely, one side of the third connecting plate, which deviates from the second connecting plate, is fixedly connected with the other steel pipe column which forms the internal corner and is far away from the second connecting plate, and the upper end and the lower end of the second connecting plate and the upper end and the lower end of the third connecting plate respectively extend to the upper end and the lower end of the steel pipe column. The width of the connecting part of the first connecting plate, the second connecting plate and the third connecting plate and the steel pipe column is not less than one fourth of the width of the surface of the side of the steel pipe column.
When the special-shaped column is specifically implemented, at least two fixing strips 5 are arranged on the upper end of the external corner side and the upper end of the internal corner side of the special-shaped column respectively, the fixing strips and the first connecting plate, the second connecting plate or the third connecting plate on the corresponding side of the special-shaped column are located on the same plane, one end of each fixing strip is fixedly connected with the steel pipe column, the other end of each fixing strip extends out of the steel pipe column in the direction far away from the first connecting plate, the second connecting plate or the third connecting plate and is fixedly connected with one end of the steel beam, and the tensile force of the steel beam is effectively transmitted to the steel pipe column. Wherein, still be equipped with a reinforcing plate 6 on one side that the second connecting plate deviates from the third connecting plate, this reinforcing plate and third connecting plate are located the coplanar, and its one side that is close to the intermediate position steel-pipe column that forms the reentrant corner links to each other with the steel-pipe column welding, and one side that is close to the second connecting plate links to each other with the second connecting plate welding, and the upper and lower both ends of reinforcing plate extend to the upper and lower both ends of steel-pipe column respectively. The reinforcing plate has a reinforcing effect on the second connecting plate and the third connecting plate, force transmission between the second connecting plate and the third connecting plate is more definite, and force can be transmitted to the steel pipe column through the reinforcing plate. During actual construction, concrete is filled in a cavity defined by the steel pipe column, the first connecting plate, the second connecting plate and the third connecting plate, and the L-shaped steel pipe combined special-shaped concrete column is formed.
Example 2: referring to fig. 2, the basic structure is the same as that of embodiment 1, and the difference lies in that a plurality of steel pipe columns are distributed in a T shape to form a T-shaped combined special-shaped column, including at least four steel pipes, the T-shaped combined special-shaped column includes a horizontal section and a vertical section perpendicular to the horizontal section, wherein three steel pipe columns are located on the same plane to form the horizontal section of the T-shape, so that one side of the T-shape departing from the vertical section forms an external corner, and two first connecting plates are located on the external corner side, and the adjacent one sides are attached to make one side surface of the T-shaped combined special-shaped column. The other steel pipe column is arranged along the direction vertical to the transverse section, forms a vertical section with the steel pipe column positioned in the middle of the transverse section, and also forms an internal corner with one side of the transverse section. During actual construction, concrete is filled in a cavity defined by the steel pipe column, the first connecting plate, the second connecting plate and the third connecting plate, and the T-shaped steel pipe combined special-shaped concrete column is formed.
Example 3: referring to fig. 3, the basic structure is the same as that of embodiment 1, except that five steel pipe columns are included, and the five steel pipe columns are distributed in a cross shape and form four internal corners. The three steel pipe columns forming the internal corners are connected through a second connecting plate 3 and a third connecting plate 4 on the side of each internal corner of the combined special-shaped column, and the second connecting plate and the third connecting plate are distributed in a T shape and are fixedly connected together. The second connecting plate is fixedly connected with the same side of the two connected steel pipe columns, the free side of the third connecting plate is fixedly connected with the other steel pipe column, and the upper end and the lower end of the second connecting plate and the upper end and the lower end of the third connecting plate respectively extend to the upper end and the lower end of the steel pipe column.
When the special-shaped combined column is specifically implemented, at least two fixing strips are respectively arranged at the upper ends of the external corner side and the internal corner side of the special-shaped combined column, the fixing strips and the second connecting plate or the third connecting plate at the corresponding side of the special-shaped combined column are positioned on the same plane, one end of each fixing strip is fixedly connected with the steel pipe column, and the other end of each fixing strip extends out of the steel pipe column in the direction away from the second connecting plate or the third connecting plate. The width of the joint of the second connecting plate and the third connecting plate with the steel pipe column is not less than one fourth of the width of the steel pipe column. During actual construction, concrete is filled in a cavity defined by the steel pipe column, the second connecting plate and the third connecting plate, and the cross-shaped steel pipe combined special-shaped concrete column is formed.
The present invention is not limited to the above embodiments, and the same or similar structures as those of the above embodiments of the present invention are all within the protection scope of the present invention.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (10)
1. A steel pipe combined special-shaped column formed by cold bending comprises a plurality of rectangular steel pipe columns (1) arranged along the vertical direction, wherein the plurality of steel pipe columns are combined to form the combined special-shaped column; the method is characterized in that when the combined special-shaped column has an external corner, two connected steel pipe columns are connected through a first connecting plate (2) in the three steel pipe columns forming the external corner on one side of the external corner of the combined special-shaped column, the first connecting plate is fixedly connected with the same side of the two steel pipe columns, and the upper end and the lower end of the first connecting plate respectively extend to the upper end and the lower end of the steel pipe column;
the three steel pipe columns forming the internal corner are connected with each other through a second connecting plate (3) and a third connecting plate (4) on one side of the internal corner of the combined special-shaped column, and the second connecting plate and the third connecting plate are distributed in a T shape and are fixedly connected together; the second connecting plate is fixedly connected with the same side of the two connected steel pipe columns, the free side of the third connecting plate is fixedly connected with the other steel pipe column, and the upper end and the lower end of the second connecting plate and the upper end and the lower end of the third connecting plate respectively extend to the upper end and the lower end of the steel pipe column.
2. The cold roll formed steel pipe combined special-shaped column as claimed in claim 1, wherein the plurality of steel pipe columns are distributed in an L shape and a T shape to form the steel pipe combined special-shaped column with the L-shaped and the T-shaped cross-sectional area.
3. The cold-roll formed steel pipe combined special-shaped column as claimed in claim 1, wherein at least two fixing strips (5) are respectively arranged at the upper ends of the male corner side and the female corner side of the combined special-shaped column, the fixing strips and the first connecting plate, the second connecting plate or the third connecting plate at the corresponding side of the combined special-shaped column are positioned on the same plane, one end of each fixing strip is fixedly connected with the steel pipe column, and the other end of each fixing strip extends out of the steel pipe column in the direction far away from the first connecting plate, the second connecting plate or the third connecting plate.
4. The cold roll formed steel pipe combined special-shaped column as claimed in claim 1, wherein the width of the connection part of the first connecting plate, the second connecting plate and the third connecting plate with the steel pipe column is not less than one fourth of the width of the steel pipe column.
5. The cold roll formed steel pipe combined special-shaped column according to claim 1, wherein a cavity surrounded by the steel pipe column, the first connecting plate, the second connecting plate and the third connecting plate is filled with concrete to form the steel pipe combined special-shaped concrete column.
6. A cold-roll formed steel pipe combined special-shaped column comprises the combined special-shaped column as claimed in claim 1, wherein the combined special-shaped column comprises five steel pipe columns, and the five steel pipe columns are distributed in a cross shape and form four internal corners; the steel pipe columns forming the internal corners are connected with each other through a second connecting plate (3) and a third connecting plate (4) on the side of each internal corner of the combined special-shaped column, and the second connecting plate and the third connecting plate are distributed in a T shape and are fixedly connected together; the second connecting plate is fixedly connected with the same side of the two connected steel pipe columns, the free side of the third connecting plate is fixedly connected with the other steel pipe column, and the upper end and the lower end of the second connecting plate and the upper end and the lower end of the third connecting plate respectively extend to the upper end and the lower end of the steel pipe column.
7. The cold-roll formed steel pipe combined special-shaped column as claimed in claim 6, wherein at least two fixing strips (5) are respectively arranged at the upper ends of the male corner side and the female corner side of the combined special-shaped column, the fixing strips and the second connecting plate or the third connecting plate at the corresponding side of the combined special-shaped column are positioned on the same plane, one end of each fixing strip is fixedly connected with the steel pipe column, and the other end of each fixing strip extends out of the steel pipe column in the direction far away from the second connecting plate or the third connecting plate.
8. The cold-roll formed steel pipe combined special-shaped column as claimed in claim 6, wherein the width of the joint of the second connecting plate and the third connecting plate with the steel pipe column is not less than one fourth of the width of the steel pipe column.
9. The cold roll formed steel pipe combined special-shaped column as claimed in claim 6, wherein a cavity surrounded by the steel pipe column, the second connecting plate and the third connecting plate is filled with concrete to form the steel pipe combined special-shaped concrete column.
10. The cold-roll formed steel pipe combined special-shaped column as claimed in claim 1 or 6, wherein a reinforcing plate (6) is further arranged on one side of the second connecting plate, which is away from the third connecting plate, the reinforcing plate and the third connecting plate are located on the same plane, one side of the reinforcing plate, which is close to the steel pipe column, is fixedly connected with the steel pipe column, one side of the reinforcing plate, which is close to the second connecting plate, is fixedly connected with the second connecting plate, and the upper end and the lower end of the reinforcing plate respectively extend to the upper end and the lower end of the steel pipe column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021515879.0U CN212743141U (en) | 2020-07-28 | 2020-07-28 | Cold-bending formed steel pipe combined special-shaped column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021515879.0U CN212743141U (en) | 2020-07-28 | 2020-07-28 | Cold-bending formed steel pipe combined special-shaped column |
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| CN212743141U true CN212743141U (en) | 2021-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040648A1 (en) * | 2021-09-14 | 2023-03-23 | 北京天邦巨成科技有限公司 | Concrete-filled steel tube special-shaped column unit, and concrete-filled steel tube special-shaped combined column |
-
2020
- 2020-07-28 CN CN202021515879.0U patent/CN212743141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040648A1 (en) * | 2021-09-14 | 2023-03-23 | 北京天邦巨成科技有限公司 | Concrete-filled steel tube special-shaped column unit, and concrete-filled steel tube special-shaped combined column |
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Address after: 400060 22 / F, No.9 Yanyu Road, Nan'an District, Chongqing Patentee after: Yujian Industrial Group Co.,Ltd. Address before: 400060 22 / F, No.9 Yanyu Road, Nan'an District, Chongqing Patentee before: CHONGQING YUJIAN INDUSTRY GROUP Co.,Ltd. |
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