CN222745405U - Hollow superstructure assembly box apron and hollow superstructure assembly box - Google Patents
Hollow superstructure assembly box apron and hollow superstructure assembly box Download PDFInfo
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- CN222745405U CN222745405U CN202420812557.4U CN202420812557U CN222745405U CN 222745405 U CN222745405 U CN 222745405U CN 202420812557 U CN202420812557 U CN 202420812557U CN 222745405 U CN222745405 U CN 222745405U
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- assembly box
- plate
- bottom plate
- plate body
- cover plate
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 239000004567 concrete Substances 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 37
- 238000010008 shearing Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 13
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model belongs to the technical field of hollow floors, and particularly relates to a hollow floor assembly box cover plate, which comprises a plate body, wherein cover plate steel bars which are transversely and longitudinally staggered are arranged in the plate body, the cover plate steel bars do not extend out of the plate body, a circle of downward extending positioning protrusions are arranged at the edge of the plate body, positioning grooves are formed between the outer end faces of the positioning protrusions and the plate body, the plate body and the positioning protrusions are integrally formed by casting concrete, the hollow floor assembly box comprises a bottom plate, a limit groove is formed at the edge of the bottom plate, a side wall cylinder is arranged on the bottom plate, the side wall cylinder is of a hollow structure, the lower end of the side wall cylinder is positioned in the limit groove, the hollow floor assembly box cover plate is arranged at the top of the side wall cylinder, and the upper end of the side wall cylinder is positioned in the positioning groove of the plate body.
Description
Technical Field
The utility model belongs to the technical field of hollow floors, and particularly relates to a cover plate of a hollow floor assembly box and the hollow floor assembly box.
Background
Along with the continuous acceleration of the urban process, more and more people are paying attention to the safety, environmental protection and sustainability of buildings, and as a novel structural technology in the field of modern buildings, the concrete hollow floor structure of the assembly box is spotlighted, and the technology has the advantages of high building speed, light self weight, strong earthquake resistance and the like, and is widely applied to places such as large residential communities, markets, exhibition halls and the like.
The utility model of the Chinese patent No. CN 215802562U discloses a lightweight hollow floor assembly box, which comprises a reinforced concrete bottom plate, a middle frame body positioned above the reinforced concrete bottom plate and a cover plate covered above the middle frame body, wherein the middle frame body is surrounded by a glass magnesium fireproof plate to form a rectangular structure, a partition plate is arranged in the middle of the middle frame body, the height of the partition plate is flush with that of the middle frame body, the cover plate and the partition plate are both made of the glass magnesium fireproof plate, the assembly box has the advantages of light dead weight and convenience in carrying, but a plurality of battens and fixing nails are needed to fixedly install the middle frame body and the cover plate on the reinforced concrete bottom plate on a construction site, the assembly steps are more and the operation is complicated, the assembly efficiency is low, the construction efficiency is low, and when the concrete is poured on the cover plate on the construction site, the cover plate adopts the glass magnesium fireproof plate, the material easily absorbs water in cast-in-place concrete, so that the cast-in-place concrete plate is easy to crack, and the construction quality of the hollow floor is affected.
Disclosure of utility model
The utility model aims to provide a hollow floor assembly box cover plate and a hollow floor assembly box, which are used for solving the problems that the assembly efficiency of the existing assembly box is low, and the cover plate is easy to absorb water of a cast-in-situ concrete slab, so that the cast-in-situ concrete slab is cracked.
In order to solve the technical problems, the utility model provides the following technical scheme:
A cover plate of an assembly box of a hollow floor comprises a plate body, cover plate steel bars which are transversely and longitudinally staggered are arranged in the plate body, the cover plate steel bars do not extend out of the plate body, a circle of positioning protrusions which extend downwards are arranged at the edge of the plate body, positioning grooves are formed between the outer end faces of the positioning protrusions and the plate body, and the plate body and the positioning protrusions are integrally formed by pouring concrete.
Further, the plate body is provided with at least one reinforcing rib, the reinforcing rib is transversely or longitudinally arranged at the bottom of the plate body, and two ends of the reinforcing rib are connected with the inner end faces of the positioning protrusions.
Further, at least two reinforcing ribs are arranged on the plate body, the reinforcing ribs are longitudinally and transversely staggered at the bottom of the plate body, and two ends of the reinforcing ribs are connected with the inner end faces of the positioning protrusions.
Further, a single reinforcing rib transversely forms a straight-line structure, or a single reinforcing rib longitudinally forms an I-shaped structure, or two reinforcing ribs transversely forms a two-line structure.
Further, two reinforcing ribs respectively form a cross-shaped structure transversely and longitudinally.
Further, the cross section of the reinforcing rib is isosceles trapezoid, and stress steel bars are arranged in the reinforcing rib.
The hollow floor assembly box comprises a bottom plate, wherein a limit groove is formed in the edge of the bottom plate, a side wall cylinder is arranged on the bottom plate and is of a hollow structure, the lower end of the side wall cylinder is located in the limit groove, the hollow floor assembly box cover plate is arranged at the top of the side wall cylinder, and the upper end of the side wall cylinder is located in a locating groove of a plate body.
Further, the bottom plate is internally provided with bottom plate steel bars which are transversely and longitudinally distributed, two ends of the bottom plate steel bars extend out of the bottom plate, and two ends of the bottom plate steel bars outside the bottom plate are bent upwards.
Further, the edge of the bottom plate is provided with a limiting protrusion extending upwards, the limiting groove is arranged on the outer edge of the limiting protrusion, the limiting protrusion and the bottom plate are integrally formed by casting concrete, and a plurality of shearing teeth are circumferentially arranged at intervals on the lower edge of the bottom plate.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model discloses a hollow floor assembly box, wherein a cover plate, a side wall cylinder and a bottom plate are prefabricated in a factory, and a positioning protrusion and a positioning groove are arranged on the cover plate, and a limit groove is arranged on the bottom plate; the lower end of the side wall cylinder is arranged in the limit groove of the bottom plate during construction site installation, then the cover plate is buckled on the top of the side wall cylinder, the upper end of the side wall cylinder is positioned in the locating groove of the cover plate, and the assembly box is assembled.
Compared with the prior art that the glass magnesium fireproof plate is used as the cover plate, when the top plate of the hollow floor is cast on the cover plate in a construction site, the concrete cover plate cannot absorb moisture in cast-in-place concrete, is high in strength and not easy to deform, can effectively avoid cracking of the cast-in-place concrete, and ensures the overall construction quality of the hollow floor.
Drawings
FIG. 1 is a cross-sectional view of a hollow floor assembly box cover plate of the first embodiment;
FIG. 2 is a bottom view of a hollow floor assembly box cover plate of the first embodiment;
FIG. 3 is a cross-sectional view of a hollow floor fitting box of the first embodiment;
FIG. 4 is a cross-sectional view of a hollow floor assembly box cover plate of the second embodiment;
FIG. 5 is a top view of a hollow floor assembly box cover plate of the second embodiment;
FIG. 6 is a top view of a hollow floor assembly box cover plate of the third embodiment;
FIG. 7 is a top view of a hollow floor assembly box cover plate of the fourth embodiment;
Fig. 8 is a plan view of a hollow floor assembly box cover plate of the fifth embodiment.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include:
The plate comprises a plate body 1, cover plate steel bars 2, positioning protrusions 3, positioning grooves 4, reinforcing ribs 5, stress steel bars 6, a bottom plate 7, bottom plate steel bars 8, limiting protrusions 9, limiting grooves 10, shearing teeth 11 and side wall cylinders 12.
Example 1
As shown in figures 1 and 2, the hollow floor assembly box cover plate comprises a plate body 1, cover plate steel bars 2 which are transversely and longitudinally staggered are embedded in the plate body 1, the cover plate steel bars 2 do not extend out of the plate body 1, a circle of downward extending positioning protrusions 3 are arranged on the edge of the plate body 1, positioning grooves 4 are formed between the outer end faces of the positioning protrusions 3 and the plate body 1, and concrete is poured into the plate body 1 and the positioning protrusions 3 to form an integral structure.
The slab body 1 is formed by casting concrete, the slab body 1 has high strength and is not easy to deform, and when the roof of the hollow floor is cast on the cover plate in a construction site, the concrete slab body 1 cannot absorb water in cast-in-place concrete, so that the cast-in-place concrete slab body 1 can be effectively prevented from cracking, and the overall construction quality of the hollow floor is ensured.
As shown in fig. 3, the hollow floor assembly box comprises a bottom plate 7, wherein bottom plate steel bars 8 which are respectively transversely and longitudinally embedded in the bottom plate 7 are arranged in advance, two ends of the bottom plate steel bars 8 extend out of the bottom plate 7, two ends of the bottom plate steel bars 8 located outside the bottom plate 7 are bent upwards, a circle of limiting protrusions 9 which extend upwards are arranged on the edge of the bottom plate 7, limiting grooves 10 are formed in the outer edges of the limiting protrusions 9, a plurality of shearing teeth 11 are arranged at intervals on the lower edge of the bottom plate 7 in the circumferential direction, side wall cylinders 12 are arranged on the bottom plate 7, the side wall cylinders 12 are of hollow structures, the lower ends of the side wall cylinders 12 are located in the limiting grooves 10, the hollow floor assembly box cover plate in the embodiment is arranged at the top of the side wall cylinders 12, and the upper ends of the side wall cylinders 12 are located in the locating grooves 4 of the plate body 1.
The cover plate, the side wall cylinder 12 and the bottom plate 7 of the assembly box are prefabricated in a factory, the positioning protrusion 3 and the positioning groove 4 are arranged on the cover plate, the limiting groove 10 is arranged on the bottom plate 7, the lower end of the side wall cylinder 12 is arranged in the limiting groove 10 of the bottom plate 7 when the assembly box is installed on a construction site, then the cover plate is buckled on the top of the side wall cylinder 12, the upper end of the side wall cylinder 12 is positioned in the positioning groove 4 of the cover plate, the assembly box is assembled, the positioning and the installation of the cover plate can be realized quickly without adopting battens and fixing nails in the assembly process, the installation step of the cover plate is simplified, the construction is simple and convenient, the assembly efficiency of the assembly box is improved, and the construction period can be shortened.
Example two
The difference between the first embodiment and the first embodiment is that, as shown in fig. 4 and 5, a reinforcing rib 5 is arranged at the bottom of the plate body 1, the reinforcing rib 5 longitudinally forms an 'I' -shaped structure, the reinforcing rib 5 extends downwards along the surface of the plate body 1, the section of the reinforcing rib 5 is isosceles trapezoid, stress steel bars 6 are embedded in the reinforcing rib 5, two ends of the reinforcing rib 5 are connected with the inner end surfaces of the positioning protrusions 3, and the reinforcing rib 5, the plate body 1 and the positioning protrusions 3 are integrally cast and formed.
According to the embodiment, the reinforcing ribs 5 and the stressed steel bars 6 are arranged at the bottom of the plate body 1, so that the strength of the plate body 1 can be further improved, the deformation of the plate body 1 is avoided, and the construction quality of the hollow floor is affected.
The hollow floor assembly box is different from the first embodiment in that the hollow floor assembly box cover plate described in the first embodiment is used.
Example III
The difference between the present embodiment and the second embodiment is that, as shown in fig. 6, the reinforcing ribs 5 form a horizontal straight structure at the bottom of the plate body 1.
The difference between the embodiment and the second embodiment is that the hollow floor assembly box cover plate described in the embodiment is used.
Example IV
The difference between the embodiment and the second embodiment is that, as shown in fig. 7, two reinforcing ribs 5 are arranged at the bottom of the plate body 1, and the two reinforcing ribs 5 transversely form a two-shaped structure.
The difference between the embodiment and the second embodiment is that the hollow floor assembly box cover plate described in the embodiment is used.
Example five
The difference between this embodiment and the fourth embodiment is that, as shown in fig. 8, two reinforcing ribs 5 form a cross-shaped structure in the transverse and longitudinal directions, respectively.
The difference between the embodiment and the fourth embodiment is that the hollow floor assembly box cover plate described in the embodiment is used.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (9)
1. A cover plate of an assembly box of a hollow floor is characterized by comprising a plate body, wherein cover plate steel bars which are transversely and longitudinally staggered are arranged in the plate body, the cover plate steel bars do not extend out of the plate body, a circle of downward extending positioning protrusions are arranged at the edge of the plate body, positioning grooves are formed between the outer end faces of the positioning protrusions and the plate body, and concrete is poured between the plate body and the positioning protrusions in an integrated mode.
2. The assembly box cover plate of the hollow floor system of claim 1, wherein the plate body is provided with at least one reinforcing rib, the reinforcing rib is transversely or longitudinally arranged at the bottom of the plate body, and two ends of the reinforcing rib are connected with the inner end surfaces of the positioning protrusions.
3. The assembly box cover plate of the hollow floor system of claim 1, wherein the plate body is provided with at least two reinforcing ribs, the reinforcing ribs are longitudinally and transversely staggered at the bottom of the plate body, and two ends of the reinforcing ribs are connected with the inner end surfaces of the positioning protrusions.
4. The hollow floor assembly box cover plate according to claim 2 is characterized in that a single reinforcing rib transversely forms a straight-line structure, or a single reinforcing rib longitudinally forms a straight-line structure, or two reinforcing ribs transversely forms a double-line structure.
5. A hollow building cover assembly box cover plate according to claim 3, wherein two reinforcing ribs respectively form a cross-shaped structure transversely and longitudinally.
6. The hollow floor assembly box cover plate according to any one of claims 2 to 5, wherein the cross section of the reinforcing rib is isosceles trapezoid, and stress steel bars are arranged in the reinforcing rib.
7. The hollow floor assembly box is characterized by comprising a bottom plate, wherein a limit groove is formed in the edge of the bottom plate, a side wall cylinder is arranged on the bottom plate, the side wall cylinder is of a hollow structure, the lower end of the side wall cylinder is located in the limit groove, the top of the side wall cylinder is provided with the hollow floor assembly box cover plate according to any one of claims 1-6, and the upper end of the side wall cylinder is located in the locating groove of the plate body.
8. The hollow floor assembly box of claim 7, wherein the bottom plate is internally provided with bottom plate steel bars which are transversely and longitudinally distributed, two ends of the bottom plate steel bars extend out of the bottom plate, and two ends of the bottom plate steel bars outside the bottom plate are bent upwards.
9. The hollow floor assembly box of claim 7, wherein the edge of the bottom plate is provided with a limiting protrusion extending upwards, the limiting groove is arranged on the outer edge of the limiting protrusion, the limiting protrusion and the bottom plate are integrally formed by casting concrete, and the lower edge of the bottom plate is circumferentially provided with a plurality of shearing teeth at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420812557.4U CN222745405U (en) | 2024-04-18 | 2024-04-18 | Hollow superstructure assembly box apron and hollow superstructure assembly box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420812557.4U CN222745405U (en) | 2024-04-18 | 2024-04-18 | Hollow superstructure assembly box apron and hollow superstructure assembly box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222745405U true CN222745405U (en) | 2025-04-11 |
Family
ID=95319312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420812557.4U Active CN222745405U (en) | 2024-04-18 | 2024-04-18 | Hollow superstructure assembly box apron and hollow superstructure assembly box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222745405U (en) |
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2024
- 2024-04-18 CN CN202420812557.4U patent/CN222745405U/en active Active
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