CN215948476U - Transitional connection structure of I-shaped steel column and square steel pipe column - Google Patents
Transitional connection structure of I-shaped steel column and square steel pipe column Download PDFInfo
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- CN215948476U CN215948476U CN202122111155.0U CN202122111155U CN215948476U CN 215948476 U CN215948476 U CN 215948476U CN 202122111155 U CN202122111155 U CN 202122111155U CN 215948476 U CN215948476 U CN 215948476U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 92
- 239000010959 steel Substances 0.000 title claims abstract description 92
- 238000003466 welding Methods 0.000 claims description 21
- 210000002421 Cell Wall Anatomy 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 210000001624 Hip Anatomy 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model discloses a transition connection structure of an I-shaped steel column and a square steel column, which comprises the square steel column and the I-shaped steel column which are vertically arranged, wherein the I-shaped steel column comprises a variable cross-section long flange plate, a variable cross-section short flange plate, an original width flange plate and a connecting web plate; the upper end of the square steel pipe column is provided with an opposite side groove, and the lower end of the connecting web plate is inserted into the opposite side groove and is welded with the groove wall of the opposite side groove; the utility model improves the connection strength of the connection part of the I-shaped steel column and the square steel pipe column, and improves the shear resistance, the compressive resistance and the bending resistance bearing capacity of the connection part of the I-shaped steel column and the square steel pipe column.
Description
Technical Field
The utility model relates to the field of steel structures, in particular to a transitional connection structure of an I-shaped steel column and a square steel pipe column.
Background
With the development of society, especially the progress of science and technology, the rapid development of social productivity is greatly promoted, so that the life of people is greatly improved and enhanced, especially the development of the building industry, and the living and the work of people are strongly guaranteed. Along with the development of fast pace of society, especially the requirement for living environment, buildings represented by steel structures are becoming more popular in the construction industry.
In the steel frame structure, the top layer drawing column is of a large space structure, the roof is a light steel roof, the lower part of the roof is of the steel frame structure generally according to the principle of economical applicability, the square steel pipe column is adopted, the upper part of the roof is of a portal rigid frame structure, the H-shaped steel column is adopted, the overall structure is more economical, and the upper structure is simpler to connect. However, the square steel pipe column and the i-steel column are difficult to connect, and in a long-term use process, a local welding seam may crack, so that the bending resistance and the shearing resistance of a connecting area are weakened, potential safety hazards are formed, and brittle failure is easy to occur when accidents such as earthquakes occur.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the transition connection structure of the I-shaped steel column and the square steel pipe column, which can effectively improve the connection strength of the I-shaped steel column and the square steel pipe column.
The utility model is realized by the following steps:
a transition connection structure of an I-shaped steel column and a square steel column comprises the square steel column and the I-shaped steel column which are vertically arranged, wherein the I-shaped steel column comprises a variable cross-section long flange plate, a variable cross-section short flange plate, an original width flange plate and a connecting web plate, the widths of the upper ends of the variable cross-section long flange plate and the variable cross-section short flange plate are the same as the width of the original width flange plate, the widths of the lower ends of the variable cross-section long flange plate and the variable cross-section short flange plate are the same as the width of the cross section of the square steel column, the widths of the upper ends of the variable cross-section long flange plate and the variable cross-section short flange plate are smaller than the width of the lower ends of the variable cross-section long flange plate, the length of the variable cross-section long flange plate is larger than that of the variable cross-section short flange plate, the upper ends of the variable cross-section long flange plate and the variable cross-section short flange plate are respectively welded and connected with the original width flange plates on the left side and the right side of the connecting web plate, and the upper end of the variable cross-section long flange plate is higher than that of the variable cross-section short flange plate, the lower ends of the variable-section long flange plate and the variable-section short flange plate are respectively connected with the upper end of the left wall and the upper end of the right wall of the square steel pipe column in a welding manner, and the variable-section long flange plate and the variable-section short flange plate are both connected with the connecting web in a welding manner; the upper end of the square steel pipe column is provided with two opposite side grooves, the two opposite side grooves are respectively arranged in the middle of the upper end of the left wall and the middle of the upper end of the right wall of the square steel pipe column, the lower end of the connecting web plate extends to the lower portions of the variable cross-section long flange plate and the variable cross-section short flange plate, the extending length of the connecting web plate is equal to the depth of the opposite side grooves, and the lower end of the connecting web plate is inserted into the opposite side grooves and is connected with the groove walls of the opposite side grooves in a welding mode.
The variable cross-section long flange plate comprises an isosceles trapezoid plate part and a rectangular plate part, wherein the isosceles trapezoid plate part is located at the upper end of the rectangular plate part.
The inclination of the oblique side of the waist trapezoidal plate portion is 1:6, and the height of the rectangular plate portion is not less than 500 mm.
The variable cross-section short flange plate is in an isosceles trapezoid shape, and the inclination of the oblique side of the variable cross-section short flange plate is 1: 6.
The extension length of the connecting web and the depth of the opposite side groove are both 2.5h, wherein h is the thickness of the connecting web.
The variable-section long flange plate, the variable-section short flange plate and the original-width flange plate are welded by using butt grooves, and the variable-section long flange plate, the variable-section short flange plate and the square steel pipe column are welded by using the butt grooves.
Has the positive and beneficial effects that: 1. the utility model improves the connection strength of the joint of the I-shaped steel column and the square steel pipe column, and improves the shear resistance, pressure resistance and bending resistance bearing capacity of the joint of the I-shaped steel column and the square steel pipe column; 2. the welding height positions of the variable-section long flange plate and the variable-section short flange plate are staggered with the original width flange plate, and welding seams are not in the same horizontal plane, so that the variable-section long flange plate and the variable-section short flange plate are prevented from being damaged at the same position during collision, and the anti-seismic performance of the structure is improved; 3. the method can be processed in a factory, and only the splicing of the square steel pipe column and/or the splicing of the I-shaped steel column need to be completed on the spot, so that the on-site construction efficiency is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a schematic structural view of a variable cross-section long flange plate of the present invention;
FIG. 5 is a schematic structural view of a variable cross-section short flange plate of the present invention;
FIG. 6 is a left side view of the square steel pipe column of the present invention;
fig. 7 is a top view of the structure shown in fig. 6.
In the figure, the following steps are carried out: the square steel pipe column comprises a square steel pipe column 1, an I-shaped steel column 2, a variable cross-section long flange plate 3, an isosceles trapezoid plate 301, a rectangular plate 302, a variable cross-section short flange plate 4, an original width flange plate 5, a connecting web 6 and an opposite side groove 7.
Detailed Description
The following further description is made with reference to the accompanying drawings and specific examples:
the utility model provides a transition connection structure of I-steel post and square steel tubular column, as shown in fig. 1, fig. 2 and fig. 3, including vertical square steel tubular column 1 and I-steel post 2 that sets up, I-steel post 2 includes variable cross section long flange board 3, variable cross section short flange board 4, former width flange board 5 and web 6.
As shown in fig. 4, the variable-section long flange plate 3 includes an isosceles trapezoidal plate portion 301 and a rectangular plate portion 302, the isosceles trapezoidal plate portion 301 being located at an upper end of the rectangular plate portion 302. The width of the upper end of the isosceles trapezoid plate 301 is the same as the width of the original width flange plate 5, the width of the lower end of the isosceles trapezoid plate 301 is the same as the width of the rectangular plate 302 and the width of the cross section of the square steel pipe column 1, and the width of the upper end of the isosceles trapezoid plate 301 is smaller than the width of the lower end. The inclination of the oblique side of the isosceles trapezoid plate 301 is 1:6, and the height of the rectangular plate 302 is not less than 500 mm.
As shown in fig. 5, the variable-section short flange plate 4 has an isosceles trapezoid shape, and the width of the upper end thereof is smaller than that of the lower end thereof. The width of the upper end of the variable cross-section short flange plate 4 is the same as that of the original width flange plate 5, the width of the lower end of the variable cross-section short flange plate is the same as that of the cross section of the square steel pipe column 1, and the inclination of the inclined edge of the variable cross-section short flange plate 4 is 1: 6.
As shown in fig. 1, 2 and 3, the upper ends of the variable-section long flange plate 3 and the variable-section short flange plate 4 are respectively welded with the original-width flange plates 5 on the left side and the right side of the connecting web 6, and the welding mode is butt groove welding. The upper end of the variable-section long flange plate 3 is higher than the upper end of the variable-section short flange plate 4, so that the welding height positions of the variable-section long flange plate 3 and the variable-section short flange plate 4 and the original width flange plate 5 are staggered, and welding seams are not in the same horizontal plane, so that the variable-section long flange plate and the variable-section short flange plate can be prevented from being damaged at the same position during collision, and the anti-seismic performance of the structure is improved. The lower extreme of variable cross section long flange board 3 and variable cross section short flange board 4 links to each other with the left wall upper end and the right wall upper end welding of square steel tubular column 1 respectively, and the welding mode is butt groove welding, and variable cross section long flange board 3 and variable cross section short flange board 4 all link to each other with connecting web 6 welding.
As shown in fig. 2, 3, 6 and 7, the upper end of the square steel pipe column 1 is provided with two opposite side grooves 7, the two opposite side grooves 7 are respectively arranged in the middle of the upper end of the left wall and the middle of the upper end of the right wall of the square steel pipe column 1, the lower end of the connecting web 6 extends to the lower parts of the variable cross-section long flange plate 3 and the variable cross-section short flange plate 4, the extending length of the connecting web 6 is equal to the depth of the opposite side grooves 7 and is equal to 2.5h, and h is the thickness of the connecting web 6. The lower end of the connecting web 6 is inserted into the opposite side groove 7 and is welded with the groove wall of the opposite side groove 7.
The construction method comprises the following steps:
the first step is as follows: and the upper end of the square steel pipe column 1 is provided with an opposite side groove 7.
The second step is that: installing the variable-section long flange plates 3 and the variable-section short flange plates 4 to the corresponding positions of the I-shaped steel column 2, aligning the variable-section long flange plates 3 and the variable-section short flange plates 4 with the two sides of the original width flange plates 5 respectively, and then connecting the variable-section long flange plates and the variable-section short flange plates by welding.
The third step: installing the connecting web 6 to the corresponding position of the square steel pipe column 1, clamping the extending part of the connecting web 6 into the opposite side groove 7 of the square steel pipe column 1, and then connecting by welding. After the connection, the shear resistance, compression resistance and bending resistance bearing capacity of the joint of the square steel pipe column 1 and the I-shaped steel column 2 can be improved.
The fourth step: and the lower ends of the variable-section long flange plate 3 and the variable-section short flange plate 4 are respectively connected with the upper ends of the left side and the right side of the square steel pipe column 1 in a welding manner. Therefore, the strength of the connecting structure between the I-shaped steel column 2 and the square steel pipe column 1 can be enhanced.
The utility model can be processed in factories, and only the splicing of the square steel pipe column 1 and/or the splicing of the I-shaped steel column 2 need to be completed on site, thereby improving the site construction efficiency.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A transition connection structure of an I-shaped steel column and a square steel column comprises the square steel column (1) and the I-shaped steel column (2) which are vertically arranged, and is characterized in that the I-shaped steel column (2) comprises a variable cross-section long flange plate (3), a variable cross-section short flange plate (4), an original width flange plate (5) and a connecting web plate (6), the widths of the upper ends of the variable cross-section long flange plate (3) and the variable cross-section short flange plate (4) are the same as the width of the original width flange plate (5), the widths of the lower ends of the variable cross-section long flange plate (3) and the variable cross-section short flange plate (4) are the same as the width of the cross section of the square steel column (1), the widths of the upper ends of the variable cross-section long flange plate (3) and the variable cross-section short flange plate (4) are smaller than the width of the lower end of the variable cross-section long flange plate (3), and the length of the variable cross-section long flange plate (3) is greater than the length of the variable cross-section short flange plate (4), the upper ends of the variable-section long flange plates (3) and the variable-section short flange plates (4) are respectively connected with original width flange plates (5) on the left side and the right side of the connecting web plate (6) in a welding mode, the upper ends of the variable-section long flange plates (3) are higher than the upper ends of the variable-section short flange plates (4), the lower ends of the variable-section long flange plates (3) and the variable-section short flange plates (4) are respectively connected with the upper ends of the left wall and the upper ends of the right wall of the square steel pipe column (1) in a welding mode, and the variable-section long flange plates (3) and the variable-section short flange plates (4) are both connected with the connecting web plate (6) in a welding mode; and opposite side grooves (7) are formed in the upper end of the square steel pipe column (1).
2. The transition connection structure of the I-shaped steel column and the square steel pipe column according to claim 1, characterized in that: two opposite side grooves (7) are arranged and are respectively arranged in the middle of the upper end of the left wall and the middle of the upper end of the right wall of the square steel pipe column (1); the lower extreme of connecting web (6) extends to the below of variable cross section long flange board (3) and variable cross section short flange board (4), the extension length of connecting web (6) equals the degree of depth of offside recess (7), the lower extreme of connecting web (6) inserts in offside recess (7) to the cell wall welding with offside recess (7) links to each other.
3. The transition connection structure of the I-shaped steel column and the square steel pipe column according to claim 1, characterized in that: the variable cross-section long flange plate (3) comprises an isosceles trapezoid plate portion (301) and a rectangular plate portion (302), and the isosceles trapezoid plate portion (301) is located at the upper end of the rectangular plate portion (302).
4. The transition connection structure of an I-shaped steel column and a square steel column as claimed in claim 3, wherein the inclination of the inclined side of the isosceles trapezoid plate portion (301) is 1:6, and the height of the rectangular plate portion (302) is not less than 500 mm.
5. The transition connection structure of the I-shaped steel column and the square steel pipe column according to claim 1, characterized in that: the variable-section short flange plate (4) is in an isosceles trapezoid shape, and the inclination of the oblique side of the variable-section short flange plate is 1: 6.
6. The transition connection structure of the I-shaped steel column and the square steel column according to any one of claims 1 to 5, wherein the extension length of the connecting web (6) and the depth of the opposite side grooves (7) are both 2.5h, and h is the thickness of the connecting web (6).
7. The transitional connection structure of the I-shaped steel column and the square steel tube column as claimed in any one of claims 1 to 5, wherein the variable-section long flange plate (3) and the variable-section short flange plate (4) are welded with the original-width flange plate (5) by using butt grooves, and the variable-section long flange plate (3) and the variable-section short flange plate (4) are welded with the square steel tube column (1) by using butt grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122111155.0U CN215948476U (en) | 2021-09-02 | 2021-09-02 | Transitional connection structure of I-shaped steel column and square steel pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122111155.0U CN215948476U (en) | 2021-09-02 | 2021-09-02 | Transitional connection structure of I-shaped steel column and square steel pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215948476U true CN215948476U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122111155.0U Active CN215948476U (en) | 2021-09-02 | 2021-09-02 | Transitional connection structure of I-shaped steel column and square steel pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215948476U (en) |
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2021
- 2021-09-02 CN CN202122111155.0U patent/CN215948476U/en active Active
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