CN216305139U - Concrete precast beam dry type connection structure - Google Patents
Concrete precast beam dry type connection structure Download PDFInfo
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- CN216305139U CN216305139U CN202122765969.6U CN202122765969U CN216305139U CN 216305139 U CN216305139 U CN 216305139U CN 202122765969 U CN202122765969 U CN 202122765969U CN 216305139 U CN216305139 U CN 216305139U
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Abstract
The utility model provides a concrete precast beam dry type connecting structure, which comprises a precast main beam, a precast secondary beam and angle steel; the angle steel and the prefabricated main beam are fixed by a lug projecting embedded part fixedly arranged in the prefabricated main beam, a steel sleeve is embedded in the middle lower abdomen part of the prefabricated secondary beam, a bolt penetrates through the steel sleeve, and two ends of the bolt respectively penetrate through one side surface of the angle steel and are matched with a nut; thereby the another side of angle steel with it buries the fixed mounting that the piece welded fastening realized prefabricated secondary beam and prefabricated girder to choose the ear. The concrete precast beam dry-type connecting structure does not need to set up a scaffold and does not produce steel bars when being installed, and is convenient to construct.
Description
Technical Field
The utility model belongs to the technical field of building design, and particularly relates to a concrete precast beam dry type connecting structure.
Background
The connection of the concrete precast beam and the beam or the column is generally a wet connection, that is, the precast beam and the other precast beam or column are connected by cast-in-place concrete and reserved steel bars, but the connection method has the following disadvantages: firstly, scaffolds need to be erected on cast-in-place concrete, and the situation that the scaffolds are difficult to erect and inconvenient to construct exists in construction site limited places such as high-altitude overhanging places or roof decoration framework places. And secondly, the wet connection needs to reserve the reinforcing steel bars in advance, and the reinforcing steel bars are easy to damage during transportation and easy to collide during site construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a concrete precast beam dry type connecting structure which is convenient to construct without erecting a scaffold and steel bars during installation.
In order to solve the technical problems, the utility model adopts the technical scheme that: a concrete precast beam dry type connecting structure comprises a precast main beam, a precast secondary beam and angle steel; the angle steel and the prefabricated main beam are fixed by a lug projecting embedded part fixedly arranged in the prefabricated main beam, a steel sleeve is embedded in the middle lower abdomen part of the prefabricated secondary beam, a bolt penetrates through the steel sleeve, and two ends of the bolt respectively penetrate through one side surface of the angle steel and are matched with a nut; thereby the another side of angle steel with it buries the fixed mounting that the piece welded fastening realized prefabricated secondary beam and prefabricated girder to choose the ear.
Furthermore, a through hole is formed in one side face of the angle steel, and the bolt penetrates through the through hole and is fixedly connected with the nut.
Further, the angle steel is 110 x 10mm, and the aperture of through-hole is 20 mm.
Further, the inner diameter of the steel sleeve is 20mm, and the diameter of the bolt is 18 mm.
Further, it buries the piece including welding steel sheet and reinforcing bar to choose the ear, evenly be fixed with a plurality of reinforcing bars on the lateral wall of welding steel sheet.
Further, the reinforcing steel bar is fixed in the prefabricated girder, and the welded steel plate is fixed on the surface of the prefabricated girder.
The utility model has the advantages and positive effects that:
when the concrete precast beam dry-type connecting structure is installed, a scaffold does not need to be erected, no reinforcing steel bars are arranged, and construction is facilitated.
Drawings
Fig. 1 is a schematic structural view of a dry type connecting structure of a precast concrete beam according to the present invention;
FIG. 2 is a view in the direction A of FIG. 1;
FIG. 3 is a schematic structural view of angle steel in a dry type connecting structure of a precast concrete beam according to the present invention;
FIG. 4 is a schematic structural view of a lug embedding part in a dry type connecting structure of a precast concrete beam according to the present invention;
FIG. 5 is a bottom view of an ear-picking embedded part in a dry type connecting structure of a precast concrete beam according to the present invention;
in the figure:
1-prefabricating a main beam; 2-prefabricating a secondary beam;
3-angle steel, 31-through hole;
4-ear picking and embedding, 41-welding steel plates and 42-reinforcing steel bars;
5-steel casing pipe; 6-bolt; 7-screw cap.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
Example (b):
as shown in fig. 1 and 2, the present embodiment provides a concrete precast beam dry type connection structure, which includes a precast main beam 1, a precast secondary beam 2, and angle steels 3; an ear picking embedded part 4 is fixedly arranged in the prefabricated main beam 1, a steel sleeve 5 is embedded in the middle lower abdomen part of the prefabricated secondary beam 2, a bolt 6 penetrates through the steel sleeve 5, and two ends of the bolt 6 respectively penetrate through one side surface of the angle steel 3 and are matched with a nut 7 so as to fix the angle steel 3 and the prefabricated main beam 1; thereby the another side of angle steel 3 and the ear of choosing 4 welded fastening realize the fixed mounting of prefabricated secondary beam 2 and prefabricated main girder 1. Under this connection structure simplified the articulated condition, adopt novel dry-type to connect, satisfy under the atress condition, be convenient for construct the installation. During installation, the prefabricated secondary beam 2 is placed on the ear picking embedded part 4, the angle steel 3 is placed on two sides of the prefabricated secondary beam 4, the through hole 31 is aligned with the steel sleeve 5, the bolt 6 penetrates through the through hole 31 and the steel sleeve 5 and is screwed down by the nut 7, and then the prefabricated secondary beam 2 and the angle steel 3 are fixed; then the angle steel 3 and the ear picking embedded part 4 are welded and fixed to fixedly install the prefabricated main beam 1 and the prefabricated secondary beam 2. When using, angle steel 3 with choose ear embedded 4 atresss, wherein steel casing 5 and bolt 6 bear the shearing force, steel casing 5 is convenient for construction bolt 6 helps slowing down the atress of bolt 6 simultaneously, and this connection structure can guarantee that the installation of prefabricated main beam 1 and prefabricated secondary beam 2 is stable.
As shown in fig. 3, in the present embodiment, a through hole 31 is formed in one side surface of the angle iron 3, and the bolt 6 is fixedly connected to the nut 7 through the through hole 31.
In the present embodiment, the angle steel 3 is 110 × 10mm, and the aperture of the through hole 31 is 20 mm.
In this embodiment, the steel sleeve 5 has an inner diameter of 20mm and the bolt 6 has a diameter of 18 mm.
As shown in fig. 4 and 5, in the present embodiment, the ear picking embedded part 4 includes a welded steel plate 41 and a plurality of reinforcing bars 42, and a plurality of reinforcing bars 42 are uniformly fixed on one side wall of the welded steel plate 41. Wherein, set up reinforcing bar 42 and be used for fixing in prefabricated girder 1 the ear piece 4 of choosing to guarantee the stability of connecting.
In this embodiment, the steel bars 42 are fixed in the precast main girder 1, and the welded steel plates 41 are fixed on the surface of the precast main girder 1.
The concrete precast beam dry type connecting structure is installed as follows:
when the prefabricated main beam 1 is produced in a factory, the ear picking embedded parts 4 are embedded at the ear picking tops of the prefabricated main beam 1, so that the prefabricated main beam 1 fixed with the ear picking embedded parts 4 is manufactured; in addition, the prefabricated main beam 1 can also be cast in situ; when the prefabricated secondary beam 2 is produced in a factory, the steel sleeve 5 is embedded in the middle lower abdomen of the prefabricated secondary beam 1 to bear the shearing force after installation, and therefore the prefabricated secondary beam 2 with the steel sleeve 5 is obtained.
When installed: the two ends of a steel sleeve 5 of the prefabricated secondary beam 2 are provided with angle steels 3, so that a through hole 31 of each angle steel 3 is coaxially arranged with the steel sleeve 5, then a bolt 6 penetrates through the steel sleeve 5, the two ends of the bolt 6 penetrate through one angle steel 3, and the bolt 6 is screwed by a nut 7 so as to fix the two angle steels 3 with the prefabricated secondary beam 2 through the bolt 6; and then the other side surfaces of the two angle steels 3 are welded and fixed with the welding steel plates 41 of the ear picking embedded parts 4, so that the fixed installation of the prefabricated secondary beam 2 and the prefabricated main beam 1 is realized.
While specific embodiments of the present invention have been described in detail, the description is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a precast concrete roof beam dry-type connection structure which characterized in that: comprises a prefabricated main beam (1), a prefabricated secondary beam (2) and angle steel (3); an ear picking embedded part (4) is fixedly arranged in the prefabricated main beam (1), a steel sleeve (5) is embedded in the middle lower abdomen of the prefabricated secondary beam (2), a bolt (6) penetrates through the steel sleeve (5), and two ends of the bolt (6) respectively penetrate through one side face of the angle steel (3) and are matched with a nut (7) so as to fix the angle steel (3) and the prefabricated main beam (1); the other side of the angle steel (3) and the ear picking embedded part (4) are welded and fixed, so that the fixed installation of the prefabricated secondary beam (2) and the prefabricated main beam (1) is realized.
2. The dry type connecting structure of a precast concrete beam according to claim 1, wherein: a through hole (31) is formed in one side face of the angle steel (3), and the bolt (6) penetrates through the through hole (31) and is fixedly connected with the nut (7).
3. The dry type connecting structure of a precast concrete beam according to claim 2, wherein: the angle steel (3) is 110 mm by 10mm, and the aperture of the through hole (31) is 20 mm.
4. The dry type connecting structure of a precast concrete beam according to claim 1, wherein: the inner diameter of the steel sleeve (5) is 20mm, and the diameter of the bolt (6) is 18 mm.
5. The dry type connecting structure of a precast concrete beam according to claim 1, wherein: choose ear embedded part (4) including welding steel sheet (41) and reinforcing bar (42), evenly be fixed with a plurality of reinforcing bars (42) on the lateral wall of welding steel sheet (41).
6. The dry type connecting structure of a precast concrete beam according to claim 5, wherein: the reinforcing steel bar is fixed in the prefabricated girder (1), and the welding steel plate (41) is fixed on the surface of the prefabricated girder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122765969.6U CN216305139U (en) | 2021-11-11 | 2021-11-11 | Concrete precast beam dry type connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122765969.6U CN216305139U (en) | 2021-11-11 | 2021-11-11 | Concrete precast beam dry type connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216305139U true CN216305139U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122765969.6U Active CN216305139U (en) | 2021-11-11 | 2021-11-11 | Concrete precast beam dry type connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216305139U (en) |
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2021
- 2021-11-11 CN CN202122765969.6U patent/CN216305139U/en active Active
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