CN216920734U - Fixing structure of concrete steel column base - Google Patents
Fixing structure of concrete steel column base Download PDFInfo
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- CN216920734U CN216920734U CN202220664760.2U CN202220664760U CN216920734U CN 216920734 U CN216920734 U CN 216920734U CN 202220664760 U CN202220664760 U CN 202220664760U CN 216920734 U CN216920734 U CN 216920734U
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Abstract
The utility model relates to the technical field of steel column bases, and particularly discloses a fixing structure of a concrete steel column base, which comprises a bottom plate, a steel column, a shear key, a micro-expansion concrete layer, a positioning mechanism, a plurality of foundation bolts and a concrete column; the foundation bolt is arranged on the positioning mechanism in a threaded manner; the positioning mechanism and the foundation bolts are poured and embedded in the concrete column; the positioning mechanism is used for positioning the foundation bolt; the steel column is arranged on the bottom plate; the middle part of the bottom surface of the bottom plate is provided with a shear key; the shear key is placed on the positioning mechanism; a micro-expansion concrete layer is arranged between the positioning mechanism and the bottom plate; the foundation bolt is fixedly connected with the bottom plate through a nut. Compared with the prior art, the positioning accuracy of the foundation bolt can be ensured.
Description
Technical Field
The utility model relates to the technical field of steel column bases, and particularly discloses a fixing structure of a concrete steel column base.
Background
The steel structure has the advantages of light weight, high strength, high construction speed, short construction period and the like, and is widely applied to industrial and civil buildings.
When using, the existing concrete steel column base mostly needs to pour foundation bolts in advance to be buried in the concrete column, and the displacement of the foundation bolts is very easily caused in the pouring process, so that the inconvenience of the steel column arranged on the bottom plate when being connected with the foundation bolts is caused, and when the displacement is too large, the steel column base even needs to be reworked and poured again.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a fixing structure of a concrete steel column base, which is used for solving the problems of positioning of foundation bolts and the like.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a fixing structure of a concrete steel column base comprises a bottom plate, a steel column, a shear key, a micro-expansion concrete layer, a positioning mechanism, a plurality of foundation bolts and a concrete column; the foundation bolt is arranged on the positioning mechanism in a threaded manner; the positioning mechanism and the foundation bolts are poured and embedded in the concrete column; the positioning mechanism is used for positioning the foundation bolt; the steel column is arranged on the bottom plate; the middle part of the bottom surface of the bottom plate is provided with a shear key; the shear key is placed on the positioning mechanism; a micro-expansion concrete layer is arranged between the positioning mechanism and the bottom plate; the foundation bolt is fixedly connected with the bottom plate through a nut. The positioning mechanism is arranged, so that the positioning accuracy of the foundation bolt can be guaranteed, the displacement caused by pouring can be reduced, and the connection between the bottom plate and the foundation bolt is guaranteed. The friction between bottom plate and the micro-expansion concrete layer can be increased by the arrangement of shear keys, and the shock resistance is improved.
Preferably, a plurality of reinforcing plates are arranged between the bottom plate and the steel columns, so that the connection strength between the bottom plate and the steel columns is increased.
Preferably, the foundation bolts are evenly arranged on the bottom plate along the periphery of the bottom plate, so that the connection stability of the bottom plate is guaranteed.
Preferably, the shear key is an H-shaped steel shear key, so that materials are convenient to obtain, and the friction force is ensured.
Preferably, the positioning mechanism comprises a first flat plate, a second flat plate and a plurality of connecting columns; the first flat plate and the second flat plate are arranged in parallel; two ends of the connecting column are respectively connected with the first flat plate and the second flat plate; a plurality of threaded holes are formed in the first flat plate; the threaded holes sequentially penetrate through the first flat plate, the connecting column and the second flat plate. The arrangement of the first flat plate and the second flat plate guarantees the vertical arrangement of the connecting column and the accurate positioning of the foundation bolts. The arrangement of the threaded holes ensures the connection stability between the foundation bolts and the positioning mechanism, and the foundation bolts can be conveniently screwed in the threaded holes in advance to adjust the horizontal arrangement of the first flat plate and the second flat plate.
Preferably, a cylinder is fixedly arranged in the middle of the bottom surface of the flat plate; and the other end of the cylinder is fixedly connected with a second flat plate. The arrangement of the cylinder ensures that the first flat plate and the second flat plate are stably connected.
The utility model has the beneficial effects that: the positioning mechanism is arranged, so that the positioning accuracy of the foundation bolt can be guaranteed, the displacement caused by pouring can be reduced, and the connection between the bottom plate and the foundation bolt is guaranteed. The friction between bottom plate and the micro-expansion concrete layer can be increased by the arrangement of shear keys, and the shock resistance is improved. The arrangement of the first flat plate and the second flat plate guarantees the vertical arrangement of the connecting column and the accurate positioning of the foundation bolts. The arrangement of the threaded holes ensures the connection stability between the foundation bolts and the positioning mechanism, and the foundation bolts can be conveniently screwed in the threaded holes in advance to adjust the horizontal arrangement of the first flat plate and the second flat plate.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a bottom plate, steel columns, shear keys and reinforcing plates according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a positioning mechanism according to an embodiment of the present invention;
description of reference numerals:
1-bottom plate, 2-steel column, 3-shear key, 4-micro expansion concrete layer, 5-foundation bolt, 6-concrete column, 7-reinforcing plate, 8-first flat plate, 9-second flat plate, 10-connecting column and 11-cylinder;
801-threaded hole.
Detailed Description
The present invention is further described below with reference to examples.
Example 1
As shown in fig. 1-2, a fixing structure for a concrete steel column base comprises a bottom plate 1, a steel column 2, a shear key 3, a micro-expansion concrete layer 4, a positioning mechanism, a plurality of foundation bolts 5 and a concrete column 6; the foundation bolt 5 is arranged on the positioning mechanism in a threaded manner; the positioning mechanism and the foundation bolts 5 are poured and embedded in the concrete column 6; the positioning mechanism is used for positioning the foundation bolt 5; the steel column 2 is arranged on the bottom plate 1; the middle part of the bottom surface of the bottom plate 1 is provided with a shear key 3; the shear key 3 is placed on the positioning mechanism; a micro-expansion concrete layer 4 is arranged between the positioning mechanism and the bottom plate 1; the foundation bolt 5 is fixedly connected with the bottom plate 1 through a nut. Positioning mechanism's setting can guarantee that rag bolt 5's location is accurate, and can reduce the aversion that causes when pouring, guarantees bottom plate 1 and rag bolt 5's being connected. The friction between the bottom plate 1 and the micro-expansion concrete layer 4 can be increased by arranging the shear keys 3, and the shock resistance is improved.
In the above arrangement, a plurality of reinforcing plates 7 are arranged between the bottom plate 1 and the steel column 2, so that the connection strength between the bottom plate 1 and the steel column 2 is increased. The foundation bolts 5 are evenly arranged on the bottom plate 1 along the periphery of the bottom plate 1, so that the connection stability of the bottom plate 1 is guaranteed. The shear key 3 is an H-shaped steel shear key, so that materials are convenient to obtain, and the friction force is ensured.
As shown in fig. 1 and 3, the positioning mechanism comprises a first flat plate 8, a second flat plate 9 and a plurality of connecting columns 10; the first flat plate 8 and the second flat plate 9 are arranged in parallel; two ends of the connecting column 10 are respectively connected with a first flat plate 8 and a second flat plate 9; a plurality of threaded holes 801 are formed in the first flat plate 8; the threaded hole 801 penetrates through the first flat plate 8, the connecting column 10 and the second flat plate 9 in sequence. The arrangement of the first flat plate 8 and the second flat plate 9 ensures the vertical arrangement of the connecting column 10 and the accurate positioning of the foundation bolt 5. The arrangement of the threaded holes 801 ensures the connection stability between the foundation bolts 5 and the positioning mechanism, and the foundation bolts 5 can be conveniently screwed in the threaded holes 801 in advance to adjust the horizontal arrangement of the first flat plate 8 and the second flat plate 9. A cylinder 11 is fixedly arranged in the middle of the bottom surface of the first flat plate 8; the other end of the cylinder 11 is fixedly connected with the second flat plate 9. The arrangement of the cylinder 11 ensures that the first plate 8 and the second plate 9 are firmly connected.
During use, the foundation bolts 5 are screwed into the threaded holes 801, the depth of the foundation bolts 5 in the threaded holes 801 is adjusted, the first flat plate 8 and the second flat plate 9 are horizontally arranged, concrete is poured, the positioning mechanism and the foundation bolts 5 are embedded into the concrete column 6, the positioning mechanism is arranged, the foundation bolts 5 are prevented from shifting during pouring, the vertical arrangement of the foundation bolts 5 is ensured, the upper surface of the first flat plate 8 is ensured to be leaked during pouring, the shear keys 3 on the lower bottom surface of the bottom plate 1 are placed on the first flat plate 8, the foundation bolts 5 are connected with the bottom plate 1, the bottom plate 1 is adjusted to be horizontal, and then the micro-expansion concrete layer 4 is poured between the bottom plate 1 and the first flat plate 8.
Claims (6)
1. A fixing structure of a concrete steel column base is characterized by comprising a bottom plate (1), a steel column (2), a shear key (3), a micro-expansion concrete layer (4), a positioning mechanism, a plurality of foundation bolts (5) and a concrete column (6); the foundation bolt (5) is arranged on the positioning mechanism in a threaded manner; the positioning mechanism and the foundation bolts (5) are poured and embedded in the concrete column (6); the positioning mechanism is used for positioning the foundation bolt (5); the steel column (2) is arranged on the bottom plate (1); the middle part of the bottom surface of the bottom plate (1) is provided with a shear key (3); the shear key (3) is placed on the positioning mechanism; a micro-expansion concrete layer (4) is arranged between the positioning mechanism and the bottom plate (1); the foundation bolts (5) are fixedly connected with the bottom plate (1) through nuts.
2. A concrete steel column shoe fixing structure according to claim 1, wherein a plurality of reinforcing plates (7) are provided between the bottom plate (1) and the steel column (2).
3. A fixing structure of a concrete steel column shoe according to claim 2, wherein the anchor bolts (5) are uniformly provided on the bottom plate (1) along the circumference of the bottom plate (1).
4. The fixing structure of a concrete steel column shoe according to claim 1, wherein the shear key (3) is an H-type steel shear key.
5. A fixing structure of a concrete steel column base according to claim 1, wherein the positioning mechanism comprises a first flat plate (8), a second flat plate (9) and a plurality of connecting columns (10); the first flat plate (8) and the second flat plate (9) are arranged in parallel; two ends of the connecting column (10) are respectively connected with a first flat plate (8) and a second flat plate (9); a plurality of threaded holes (801) are formed in the first flat plate (8); the threaded hole (801) penetrates through the first flat plate (8), the connecting column (10) and the second flat plate (9) in sequence.
6. The fixing structure of a concrete steel column base according to claim 5, wherein a cylinder (11) is fixedly arranged in the middle of the bottom surface of the first flat plate (8); the other end of the cylinder (11) is fixedly connected with a second flat plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220664760.2U CN216920734U (en) | 2022-03-24 | 2022-03-24 | Fixing structure of concrete steel column base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220664760.2U CN216920734U (en) | 2022-03-24 | 2022-03-24 | Fixing structure of concrete steel column base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216920734U true CN216920734U (en) | 2022-07-08 |
Family
ID=82229163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220664760.2U Active CN216920734U (en) | 2022-03-24 | 2022-03-24 | Fixing structure of concrete steel column base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216920734U (en) |
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2022
- 2022-03-24 CN CN202220664760.2U patent/CN216920734U/en active Active
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