CN217079687U - Floor opening formwork structure - Google Patents
Floor opening formwork structure Download PDFInfo
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- CN217079687U CN217079687U CN202220485526.3U CN202220485526U CN217079687U CN 217079687 U CN217079687 U CN 217079687U CN 202220485526 U CN202220485526 U CN 202220485526U CN 217079687 U CN217079687 U CN 217079687U
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- floor
- steel plate
- opening
- formwork structure
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Abstract
The utility model provides a floor entrance to a cave formwork structure, include: the side length of the supporting steel plate is 100mm larger than that of the floor slab opening; the supporting feet are in supporting welding with the supporting steel plate; the upright stanchion comprises a steel pipe for inserting the supporting foot and an adjustable base arranged at the bottom of the steel pipe. Therefore, the utility model has simple operation and convenient use in the installation process, reduces the construction time and improves the construction efficiency; the supporting system can be adjusted according to different floor heights, and is flexible and convenient to use and high in adaptability; the supporting system template tightly props against the lower part of the plate surface, and the appearance quality of the concrete at the opening is good; the supporting system is stable, can directly bear common load in operation, and can replace the protection of the opening; the supporting system can be repeatedly used for many times, and the material turnover rate is high; the support system can be suitable for plugging irregular holes with various shapes, and has wide application range.
Description
Technical Field
The utility model relates to a building engineering technical field, concretely relates to floor entrance to a cave formwork structure.
Background
In the construction process of the existing reinforced concrete cast-in-place slab, partial holes are usually reserved on the floor slab due to matching between the working procedures and construction requirements, and the problems of complex construction conditions, complicated formwork supporting working procedures and long consumed time exist in the post-treatment process of the holes, so that serious potential quality hazards still exist in concrete pouring of the hole of the floor slab.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a floor entrance to a cave formwork structure to there is the construction condition complicacy, the formwork process is loaded down with trivial details, consume the long problem of time in floor entrance to a cave concreting among the solution prior art.
In order to achieve the above object, the utility model provides a floor entrance to a cave formwork structure, include:
the side length of the supporting steel plate is 100mm larger than that of the floor slab opening;
the supporting feet are in supporting welding with the supporting steel plate;
the upright stanchion comprises a steel pipe for inserting the supporting foot and an adjustable base arranged at the bottom of the steel pipe.
Further, when the side length of the floor slab opening is less than or equal to 300mm, the supporting feet comprise a steel bar supporting foot welded with the central support of the supporting steel plate.
Further, when the side length of the floor slab opening is 300-500mm, the supporting feet comprise reinforcing steel bar supporting feet which are respectively supported and welded at positions 100mm away from two sides of each corresponding corner on each corner of the supporting steel plate.
Further, when the side length of the floor slab opening is larger than or equal to 500mm, a plurality of steel bar supporting feet are uniformly welded on the supporting feet at intervals, the distance between every two adjacent steel bar supporting feet is 500mm, and the distance between the steel bar supporting foot on the outermost side and the edge of the supporting steel plate is 100 mm.
Further, the diameter of the arm brace is 20 mm.
Further, the thickness of the support steel plate is 20 mm.
Further, the steel pipe is 48.3x 3.6 mm.
It can be seen that, the utility model discloses instrument formula floor entrance to a cave formwork structure compares and lies in prior art's advantage:
(1) the installation process is simple to operate and convenient to use, the construction time is reduced, and the construction efficiency is improved;
(2) the supporting system can be adjusted according to different floor heights, and is flexible and convenient to use and high in adaptability.
(3) The supporting system template tightly pushes the lower part of the slab surface, and the appearance quality of the concrete forming at the opening is good.
(4) The supporting system is stable and firm, can directly bear common load in operation, and can replace the protection of the opening.
(5) The supporting system can be repeatedly used, and the material turnover rate is high.
(6) The support system can be suitable for plugging irregular holes with various shapes, and has wide application range.
The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the disclosure, are included to assist in understanding the disclosure, and the description provided herein and the accompanying drawings, which are related thereto, are intended to explain the disclosure, but do not constitute an undue limitation on the disclosure. In the drawings:
fig. 1 is the schematic structural diagram of the first embodiment of the floor slab opening formwork structure of the present invention.
Fig. 2 is a usage status diagram of the first embodiment of the floor slab opening formwork structure of the present invention.
Fig. 3 is the schematic structural diagram of the second embodiment of the floor slab opening formwork structure of the present invention.
Fig. 4 is a third usage state diagram of the embodiment of the floor slab opening formwork structure of the present invention.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in each part including the following description may be combined with each other without conflict.
Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
With respect to the terms and units of the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
The utility model discloses floor entrance to a cave formwork structure, include:
the side length of the supporting steel plate 1 is 100mm larger than that of the floor slab opening;
the supporting feet are in supporting welding with the supporting steel plate 1;
the upright rod 3 comprises a steel pipe for inserting the supporting foot and an adjustable base 4 arranged at the bottom of the steel pipe.
When the side length of the floor slab opening is less than or equal to 300mm, the supporting feet comprise a steel bar supporting foot 2 welded with the central support of the supporting steel plate 1.
When the side length of the floor slab opening is 300-500mm, the supporting feet comprise reinforcing steel bar supporting feet 2 which are respectively supported and welded at the positions 100mm away from two sides of the corresponding angle on each angle of the supporting steel plate 1.
When the side length of the floor slab opening is larger than or equal to 500mm, a plurality of reinforcing steel bar supporting feet 2 are uniformly welded on the supporting feet at intervals, the distance between every two adjacent reinforcing steel bar supporting feet 2 is 500mm, and the distance between the reinforcing steel bar supporting foot 2 on the outermost side and the edge of the supporting steel plate 1 is 100 mm.
The diameter of the arm brace is 20 mm.
The thickness of the support steel plate 1 is 20 mm.
The steel pipe is 48.3x 3.6 mm. Diameter 48.3X wall thickness 3.6mm
The invention is further illustrated by the following specific examples:
example one
As shown in fig. 1, when floor entrance to a cave length of side is less than or equal to 300mm, the utility model discloses floor entrance to a cave formwork structure, include: the side length of the supporting steel plate 1 is 100mm larger than that of the floor slab opening; the supporting feet are in supporting welding with the supporting steel plate 1; the upright rod 3 comprises a steel pipe for inserting the supporting foot and an adjustable base 4 arranged at the bottom of the steel pipe. The supporting feet comprise a steel bar supporting foot 2 welded with the central support of the supporting steel plate 1. Wherein the diameter of the supporting foot is 20 mm; the thickness of the supporting steel plate 1 is 20 mm; the steel pipe is 48.3x 3.6 mm; diameter 48.3X wall thickness 3.6mm
In application, the steel plate is cut according to the size of the floor opening 5 to obtain the supporting steel plate 1, and as shown in fig. 2, the reinforcing steel bar supporting feet 2 are welded on the supporting steel plate 1. The steel bar supporting feet 2 are inserted into the vertical rods 3, meanwhile, the adjustable base 4 is installed at the bottom of the vertical rods 3, the height is adjusted to tightly support the lower portion of a floor slab opening 5 on a reinforced concrete slab 6, and therefore a stable formwork supporting system is formed.
As shown in fig. 3, when floor entrance to a cave length of side is less than or equal to 300mm, the utility model discloses floor entrance to a cave formwork structure, include: the side length of the supporting steel plate 1 is 100mm larger than that of the floor slab opening 5; the supporting feet are in supporting welding with the supporting steel plate 1; the upright rod 3 comprises a steel pipe for inserting the supporting foot and an adjustable base 4 arranged at the bottom of the steel pipe. The supporting feet comprise a steel bar supporting foot 2 welded with the central support of the supporting steel plate 1. Wherein the diameter of the supporting foot is 20 mm; the thickness of the supporting steel plate 1 is 20 mm; the steel pipe is 48.3x 3.6 mm; diameter 48.3X wall thickness 3.6mm
And in the subsequent process, after the support of the floor slab opening formwork structure of the floor slab opening 5 is completed, chiseling treatment is carried out on the peripheral side wall of the floor slab opening 5, grooves are chiseled out along the side length interval of 200mm according to the size of the opening, reinforcing steel bars with the same diameter as the plate reinforcing steel bars are placed, and the diameter of the reinforcing steel bars extending into the plate is not less than 100 mm. After the placement of the reinforcing steel bars is finished, the concrete can be poured after the joint acceptance of site managers and supervisors, the concrete is poured by a mark number (mixed with a micro-expanding agent) higher than that of the original structure concrete, and in the pouring process, the reinforcing steel bars are used for vibrating, compacting and watering for maintenance. After the concrete reaches the strength, the support is dismantled and cleaned, and the concrete is stacked neatly and is convenient for secondary use later.
Example two
As shown in fig. 3, the present embodiment is different from the first embodiment in that when the length of the floor slab opening is 300-500mm, the brace comprises a steel bar brace 2 which supports the welding at 100mm from the two sides of each corresponding corner on each corner of the supporting steel plate 1.
EXAMPLE III
As shown in fig. 4, the difference between this embodiment and the first embodiment is that, when the side length of the floor slab opening is greater than or equal to 500mm, a plurality of steel bar braces 2 are uniformly welded on the brace at intervals, the distance between adjacent steel bar braces 2 is 500mm, and the distance between the steel bar brace 2 on the outermost side is 100mm from the edge of the supporting steel plate 1.
It can be seen that, the utility model discloses instrument formula floor entrance to a cave formwork structure compares and lies in prior art's advantage:
(1) the installation process is simple to operate and convenient to use, the construction time is reduced, and the construction efficiency is improved;
(2) the supporting system can be adjusted according to different floor heights, and is flexible and convenient to use and high in adaptability.
(3) The supporting system template tightly pushes the lower part of the slab surface, and the appearance quality of the concrete forming at the opening is good.
(4) The supporting system is stable and firm, can directly bear common load in operation, and can replace the protection of the opening.
(5) The supporting system can be repeatedly used, and the material turnover rate is high.
(6) The support system can be suitable for plugging irregular holes with various shapes, and has wide application range.
The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Claims (7)
1. Floor opening formwork structure, its characterized in that includes:
the side length of the supporting steel plate (1) is 100mm larger than that of the floor slab opening;
the supporting feet are in supporting welding with the supporting steel plate (1);
the upright rod (3) comprises a steel pipe for inserting the supporting foot and an adjustable base (4) arranged at the bottom of the steel pipe.
2. The floor hole formwork structure of claim 1, wherein when the side length of the floor hole is less than or equal to 300mm, the brace comprises a steel bar brace (2) welded with the center support of the support steel plate (1).
3. The floor hole formwork structure according to claim 1, wherein when the floor hole side length is 300-500mm, the brace comprises a steel bar brace (2) respectively supporting and welding at each corner of the supporting steel plate (1) at a distance of 100mm from the two sides of the corresponding corner.
4. The floor slab opening formwork structure of claim 1, characterized in that when the length of the floor slab opening side is more than or equal to 500mm, a plurality of steel bar supporting feet (2) are welded on the supporting feet at intervals, the distance between the adjacent steel bar supporting feet (2) is 500mm, and the distance between the steel bar supporting foot (2) on the outermost side and the edge of the supporting steel plate (1) is 100 mm.
5. The floor opening formwork structure defined in claim 1, wherein the brace is 20mm in diameter.
6. The floor hole formwork structure of claim 1, characterized in that the thickness of the supporting steel plate (1) is 20 mm.
7. The floor opening formwork structure of claim 1, wherein the steel pipe is 48.3x 3.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220485526.3U CN217079687U (en) | 2022-03-08 | 2022-03-08 | Floor opening formwork structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220485526.3U CN217079687U (en) | 2022-03-08 | 2022-03-08 | Floor opening formwork structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217079687U true CN217079687U (en) | 2022-07-29 |
Family
ID=82546768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220485526.3U Active CN217079687U (en) | 2022-03-08 | 2022-03-08 | Floor opening formwork structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217079687U (en) |
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2022
- 2022-03-08 CN CN202220485526.3U patent/CN217079687U/en active Active
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