CN210105121U - Connecting structure of variable-section beam - Google Patents
Connecting structure of variable-section beam Download PDFInfo
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- CN210105121U CN210105121U CN201920778880.3U CN201920778880U CN210105121U CN 210105121 U CN210105121 U CN 210105121U CN 201920778880 U CN201920778880 U CN 201920778880U CN 210105121 U CN210105121 U CN 210105121U
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Abstract
The utility model discloses a connecting structure of a variable cross-section beam, which comprises a first channel steel, a second channel steel, a first H-shaped steel beam and a second H-shaped steel beam; one end of the first channel steel is positioned on one side of the first H-shaped steel beam, the other end of the first channel steel is positioned on one side of the second H-shaped steel beam, one end of the second channel steel is positioned on the other side of the first H-shaped steel beam, and the other end of the second channel steel is positioned on the other side of the second H-shaped steel beam; between the first H-shaped steel beam and the second H-shaped steel beam, along the direction from the first H-shaped steel beam to the second H-shaped steel beam, the size of the cross section of the first channel steel is gradually increased, the size of the cross section of the second channel steel is gradually increased, a base plate is arranged between the first channel steel and the second channel steel, and the base plate is positioned between the first H-shaped steel beam and the second H-shaped steel beam; the structure can avoid the waste of materials, and simultaneously adopts an assembly structure.
Description
Technical Field
The utility model belongs to steel construction design field relates to a connection structure, concretely relates to connection structure of variable cross-section roof beam.
Background
When the fixed mounting of current roof beam, adopt welded mode mostly, the security is relatively poor to the construction cycle is long, and the roof beam that uses in the present design all generally is the equal cross-section roof beam simultaneously, and is less at the place general moment of flexure of keeping away from the column end, if still use higher beam section can cause the waste of material, and this kind of phenomenon is especially obvious in the space of some large-spans.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a connection structure of variable cross-section roof beam, this structure can avoid the waste of material, adopts the assembled structure simultaneously.
In order to achieve the purpose, the connecting structure of the variable cross-section beam comprises a first channel steel, a second channel steel, a first H-shaped steel beam and a second H-shaped steel beam;
one end of the first channel steel is positioned on one side of the first H-shaped steel beam, the other end of the first channel steel is positioned on one side of the second H-shaped steel beam, one end of the second channel steel is positioned on the other side of the first H-shaped steel beam, and the other end of the second channel steel is positioned on the other side of the second H-shaped steel beam;
between the first H-shaped steel beam and the second H-shaped steel beam, along the direction from the first H-shaped steel beam to the second H-shaped steel beam, the size of the cross section of the first channel steel is gradually increased, the size of the cross section of the second channel steel is gradually increased, a base plate is arranged between the first channel steel and the second channel steel, and the base plate is positioned between the first H-shaped steel beam and the second H-shaped steel beam; bolts are connected between the first channel steel and the first H-shaped steel beam, between the second channel steel and the first H-shaped steel beam, between the first channel steel and the second H-shaped steel beam, between the second channel steel and the second H-shaped steel beam, and between the first channel steel, the second channel steel and the base plate;
the size of the cross section of the first H-shaped steel beam is smaller than that of the cross section of the second H-shaped steel beam.
The right trapezoid structure at first channel-section steel middle part, the middle part of second channel-section steel are right trapezoid structure, and the top flange of first channel-section steel flushes with the top flange of second channel-section steel mutually, and the bottom flange of first channel-section steel flushes with the bottom flange of second channel-section steel mutually.
The middle part of first channel-section steel is the isosceles trapezoid structure, and the middle part of second channel-section steel is the isosceles trapezoid structure, and wherein, the top flange of first channel-section steel flushes mutually with the top flange of second channel-section steel, and the bottom flange of first channel-section steel flushes mutually with the bottom flange of second channel-section steel.
A first stiffening plate is arranged between the upper flange and the lower flange of the second H-shaped steel beam; a second stiffening plate is arranged between the upper flange and the lower flange of the first channel steel;
and a third stiffening plate is arranged between the upper flange and the lower flange of the second channel steel.
The flange of the top of first H shaped steel roof beam and the top flange of first channel-section steel and the top flange of second channel-section steel between the flange of the bottom flange of first H shaped steel roof beam and the flange of the bottom flange of first channel-section steel and the flange of the bottom flange of second channel-section steel, between the web of first H shaped steel roof beam and the web of first channel-section steel and the web of second channel-section steel, between first channel-section steel and second channel-section steel and backing plate, between the flange of the top of second H shaped steel roof beam and the flange of the top flange of first channel-section steel and the top flange of second channel-section steel, all be connected through the bolt between the flange of second H shaped steel roof beam and the flange of first channel-section steel and the web of second channel-section steel.
The utility model discloses following beneficial effect has:
connection structure of variable cross-section roof beam when concrete operation, be connected through first channel-section steel and second channel-section steel between first H shaped steel roof beam and the second H shaped steel roof beam, and the cross section size of each position department in first channel-section steel middle part is different, the cross section size of each position department in second channel-section steel middle part is different, adopts variable cross-section's mode promptly to alleviate the self weight of structure, satisfy the requirement of bearing capacity simultaneously, avoid the waste of material, in addition, the utility model discloses well each part passes through bolt fixed connection, adopts the assembled structure promptly, construction cycle is short, can effectual improvement site operation's security, reduces the adverse effect of welding residual stress to the component simultaneously.
Furthermore, a second stiffening plate is welded between the upper flange and the lower flange of the first channel steel, and a third stiffening plate is welded between the upper flange and the lower flange of the second channel steel, so that the first channel steel and the second channel steel are reinforced, and the fracture of the joint of the variable section and the non-variable section in the first channel steel and the second channel steel is avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is another schematic structural diagram of the present invention;
fig. 3 is a connection relationship diagram of the first channel steel 4 and the second channel steel 5 in fig. 1;
fig. 4 is a connection relationship diagram of the first channel steel 4 and the second channel steel 5 in fig. 2.
Wherein, 1 is the second H shaped steel roof beam, 2 is first stiffening plate, 3 is the bolt, 4 is the first channel-section steel, 5 is the second channel-section steel, 6 is the backing plate, 7 is the first H shaped steel roof beam.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and 3, the connection structure of the variable cross-section beam of the present invention includes a first channel steel 4, a second channel steel 5, a first H-shaped steel beam 7, and a second H-shaped steel beam 1; one end of a first channel steel 4 is positioned on one side of a first H-shaped steel beam 7, the other end of the first channel steel 4 is positioned on one side of a second H-shaped steel beam 1, one end of a second channel steel 5 is positioned on the other side of the first H-shaped steel beam 7, and the other end of the second channel steel 5 is positioned on the other side of the second H-shaped steel beam 1; between the first H-shaped steel beam 7 and the second H-shaped steel beam 1, along the direction from the first H-shaped steel beam 7 to the second H-shaped steel beam 1, the size of the cross section of the first channel steel 4 is gradually increased, the size of the cross section of the second channel steel 5 is gradually increased, a backing plate 6 is arranged between the first channel steel 4 and the second channel steel 5, and the backing plate 6 is positioned between the first H-shaped steel beam 7 and the second H-shaped steel beam 1; bolts 3 are connected between the first channel steel 4 and the first H-shaped steel beam 7, between the second channel steel 5 and the first H-shaped steel beam 7, between the first channel steel 4 and the second H-shaped steel beam 1, between the second channel steel 5 and the second H-shaped steel beam 1, and between the first channel steel 4 and the second channel steel 5 as well as between the first channel steel 4 and the base plate 6; the size of the cross section of the first H-section steel beam 7 is smaller than the size of the cross section of the second H-section steel beam 1.
Specifically, between the top flange of first H shaped steel roof beam 7 and the top flange of first channel-section steel 4 and the top flange of second channel-section steel 5, between the bottom flange of first H shaped steel roof beam 7 and the bottom flange of first channel-section steel 4 and the bottom flange of second channel-section steel 5, between the web of first H shaped steel roof beam 7 and the web of first channel-section steel 4 and the web of second channel-section steel 5, between first channel-section steel 4 and second channel-section steel 5 and backing plate 6, between the top flange of second H shaped steel roof beam 1 and the top flange of first channel-section steel 4 and the top flange of second channel-section steel 5, between the bottom flange of second H shaped steel roof beam 1 and the bottom flange of first channel-section steel 4 and the bottom flange of second channel-section steel 5 and between the web of second H shaped steel roof beam 1 and the web of first channel-section steel 4 and the web of second channel-section steel 5 all be connected through bolts 3.
Referring to fig. 3, the middle portion of the first channel steel 4 is of a right trapezoid structure, the middle portion of the second channel steel 5 is of a right trapezoid structure, an upper flange of the first channel steel 4 is flush with an upper flange of the second channel steel 5, and a lower flange of the first channel steel 4 is flush with a lower flange of the second channel steel 5.
Referring to fig. 2, the middle portion of the first channel steel 4 is in an isosceles trapezoid structure, the middle portion of the second channel steel 5 is in an isosceles trapezoid structure, wherein the upper flange of the first channel steel 4 is flush with the upper flange of the second channel steel 5, and the lower flange of the first channel steel 4 is flush with the lower flange of the second channel steel 5.
A first stiffening plate 2 is arranged between the upper flange and the lower flange of the second H-shaped steel beam 1; a second stiffening plate is arranged between the upper flange and the lower flange of the first channel steel 4; and a third stiffening plate is arranged between the upper flange and the lower flange of the second channel steel 5.
It should be noted that the second stiffening plate and the third stiffening plate are added at the height change positions of the first channel steel 4 and the second channel steel 5, and the slopes of the middle portions of the first channel steel 4 and the second channel steel 5 are less than 1: 6.
The utility model discloses a concrete work progress does: in a factory, holes are formed in a first H-shaped steel beam 7, a second H-shaped steel beam 1, a first channel steel 4, a second channel steel 5 and a base plate 6, meanwhile, a first stiffening plate 2 is welded on the second H-shaped steel beam 1, a second stiffening plate is welded on the first channel steel 4, a third stiffening plate is welded on the second channel steel 5, then the first H-shaped steel beam 7, the second H-shaped steel beam 1, the first channel steel 4, the second channel steel 5 and the base plate 6 are transported to a construction site, and then the first H-shaped steel beam 7, the second H-shaped steel beam 1, the first channel steel 4, the second channel steel 5 and the base plate 6 are assembled and connected through bolts 3.
Claims (6)
1. A connecting structure of a variable-section beam is characterized by comprising a first channel steel (4), a second channel steel (5), a first H-shaped steel beam (7) and a second H-shaped steel beam (1);
one end of a first channel steel (4) is positioned on one side of a first H-shaped steel beam (7), the other end of the first channel steel (4) is positioned on one side of a second H-shaped steel beam (1), one end of a second channel steel (5) is positioned on the other side of the first H-shaped steel beam (7), and the other end of the second channel steel (5) is positioned on the other side of the second H-shaped steel beam (1);
between the first H-shaped steel beam (7) and the second H-shaped steel beam (1), along the direction from the first H-shaped steel beam (7) to the second H-shaped steel beam (1), the size of the cross section of the first channel steel (4) is gradually increased, the size of the cross section of the second channel steel (5) is gradually increased, a base plate (6) is arranged between the first channel steel (4) and the second channel steel (5), and the base plate (6) is located between the first H-shaped steel beam (7) and the second H-shaped steel beam (1);
the first channel steel (4) is connected with the first H-shaped steel beam (7), the second channel steel (5) is connected with the first H-shaped steel beam (7), the first channel steel (4) is connected with the second H-shaped steel beam (1), the second channel steel (5) is connected with the second H-shaped steel beam (1), and the first channel steel (4) is connected with the second channel steel (5) and the base plate (6) through bolts (3);
the size of the cross section of the first H-shaped steel beam (7) is smaller than that of the cross section of the second H-shaped steel beam (1).
2. The connecting structure of the variable cross-section beam according to claim 1, wherein the middle part of the first channel steel (4) is of a right trapezoid structure, the middle part of the second channel steel (5) is of a right trapezoid structure, an upper flange of the first channel steel (4) is flush with an upper flange of the second channel steel (5), and a lower flange of the first channel steel (4) is flush with a lower flange of the second channel steel (5).
3. The connecting structure of the variable cross-section beam according to claim 1, wherein the middle part of the first channel steel (4) is in an isosceles trapezoid structure, the middle part of the second channel steel (5) is in an isosceles trapezoid structure, wherein an upper flange of the first channel steel (4) is flush with an upper flange of the second channel steel (5), and a lower flange of the first channel steel (4) is flush with a lower flange of the second channel steel (5).
4. The connection structure of variable cross-section beams according to claim 1, characterized in that a first stiffening plate (2) is arranged between the upper flange and the lower flange of the second H-shaped steel beam (1).
5. The connecting structure of the variable cross-section beam according to claim 4, wherein a second stiffening plate is arranged between the upper flange and the lower flange of the first channel steel (4); a third stiffening plate is arranged between the upper flange and the lower flange of the second channel steel (5).
6. The connection structure of a variable cross-section beam according to claim 1, wherein an upper flange of the first H-shaped steel beam (7) and an upper flange of the first channel (4) and an upper flange of the second channel (5), a lower flange of the first H-shaped steel beam (7) and a lower flange of the first channel (4) and a lower flange of the second channel (5), a web of the first H-shaped steel beam (7) and a web of the first channel (4) and a web of the second channel (5), the first channel (4) and the second channel (5) and the backing plate (6), the upper flange of the second H-shaped steel beam (1) and an upper flange of the first channel (4) and an upper flange of the second channel (5), the lower flange of the second H-shaped steel beam (1) and a lower flange of the first channel (4) and a lower flange of the second channel (5), and the web of the second H-shaped steel beam (1) and the web of the first channel (4) and the web of the second channel (5) pass through the web of the first channel (4) and the second channel (5) The bolts (3) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778880.3U CN210105121U (en) | 2019-05-28 | 2019-05-28 | Connecting structure of variable-section beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920778880.3U CN210105121U (en) | 2019-05-28 | 2019-05-28 | Connecting structure of variable-section beam |
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| CN210105121U true CN210105121U (en) | 2020-02-21 |
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| CN201920778880.3U Active CN210105121U (en) | 2019-05-28 | 2019-05-28 | Connecting structure of variable-section beam |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561066A (en) * | 2020-04-21 | 2020-08-21 | 西安理工大学 | Replaceable energy consumption beam section capable of controlling energy consumption area |
| CN117386014A (en) * | 2023-12-12 | 2024-01-12 | 北京工业大学 | Z-shaped beam column connection outsourcing concrete section steel special-shaped column-honeycomb beam assembly structure |
| WO2024040560A1 (en) * | 2022-08-26 | 2024-02-29 | 赖政兴 | Steel beam connecting structure |
-
2019
- 2019-05-28 CN CN201920778880.3U patent/CN210105121U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561066A (en) * | 2020-04-21 | 2020-08-21 | 西安理工大学 | Replaceable energy consumption beam section capable of controlling energy consumption area |
| WO2024040560A1 (en) * | 2022-08-26 | 2024-02-29 | 赖政兴 | Steel beam connecting structure |
| CN117386014A (en) * | 2023-12-12 | 2024-01-12 | 北京工业大学 | Z-shaped beam column connection outsourcing concrete section steel special-shaped column-honeycomb beam assembly structure |
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