CN215760436U

CN215760436U - Reusable turnover formwork for fabricated floor

Info

Publication number: CN215760436U
Application number: CN202120809101.9U
Authority: CN
Inventors: 陈跃军; 陈星岑
Original assignee: Abo Building Material Kunshan Co ltd
Current assignee: Abo Building Material Kunshan Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-02-08
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a reusable turnover formwork for an assembly type floor slab, which comprises a bottom plate and a hollow shell, wherein the shell is upwards protruded from the surface of the bottom plate, the upper surface of the bottom plate is provided with a formwork reference surface distributed around the shell, and the edges of two opposite sides of the bottom plate extend downwards to be provided with formwork clamping strips matched with clamping grooves on keels. The utility model has the advantages of light volume weight, high bearing capacity, multiple times of repetition, simple assembly, accurate positioning and the like, saves a large amount of labor and material investment, reduces the comprehensive cost of the assembled floor slab, and conforms to the green energy-saving building.

Description

Reusable turnover formwork for fabricated floor

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of building material structures, and particularly relates to a reusable turnover formwork for an assembled floor slab.

[ background of the utility model ]

The ribbed floor, hollow floor and cast-in-place beam slab floor in the existing market are all that a main keel is erected on a supporting frame, a required square timber secondary keel is erected on the main keel according to the space size of the floor, a template is laid on the square timber, a filling box or a disposable formwork is placed on the template according to a construction drawing, the biggest defect is that the filling box or the disposable formwork is permanently pre-embedded and cannot be reused, the corresponding cost is increased, or the reusable formwork is required to be erected according to the traditional square timber and the template, the on-site aloft work is carried out for paying off, then the formwork is placed at the corresponding floor position to be used, the assembly and combination with the keel, the steel bar and the like at a platform cannot be realized, the integral hoisting is carried out to the required floor position, the operation safety risk is not convenient, the assembly type industrial policy is not met, and the formwork is easy to shift, so that the rib width is uneven, this in turn increases the corresponding outlay costs.

Therefore, there is a need to provide a new reusable floor turnaround formwork that solves the above problems.

[ Utility model ] content

The utility model mainly aims to provide a recyclable turnover formwork for an assembled floor slab, which has the advantages of light unit weight, high bearing capacity, multiple repetition times, simplicity in assembly, precision in positioning and the like, saves a large amount of labor and material investment, reduces the comprehensive cost of the assembled floor slab, and accords with green energy-saving buildings.

The utility model realizes the purpose through the following technical scheme: the utility model provides a but reuse's assembled floor is with turnover formwork shell, its includes the bottom plate, certainly the ascending and inside hollow casing of bottom plate surface, the upper surface of bottom plate is formed with around the formwork reference face that the casing distributes, the relative both sides edge downwardly extending of bottom plate is provided with the mould shell card strip of draw-in groove complex on the fossil fragments.

Furthermore, the formwork datum plane is flush with the top surface of the keel.

Furthermore, a formwork bottom supporting surface matched with the supporting surface on the keel to form a supporting structure is formed on the lower surface of the bottom plate.

Furthermore, the thickness between the formwork datum plane and the formwork bottom supporting plane is correspondingly equal to the height difference between the supporting plane and the keel top surface on the keel.

Furthermore, the front end face and the rear end face of the bottom plate are of a plane structure, or end face structures which can be matched with each other to form a gapless butt joint structure; when a plurality of the formworks are assembled together, the outer peripheral surface of the shell and the formwork datum plane jointly surround to form a rib beam forming cavity.

Furthermore, the top surface of the shell is of a plane structure, and an air hole communicated with the inner cavity is formed in the top surface.

Furthermore, four peripheral surfaces of the shell are of an inclined surface structure; and a plurality of reinforcing ribs are uniformly arranged on the surface of the inner wall of the shell.

Furthermore, the two sides of the bottom of the formwork clamping strip are provided with inclined chamfer angles, so that an assembly guide inclined plane structure matched with the clamping groove in the keel is formed.

Furthermore, a first weight-reducing groove is formed in the formwork clamping strip; and a plurality of second weight-reducing grooves are formed in the bottom plate.

Furthermore, the whole mould shell is of an aluminum alloy structure or a plastic material structure.

Compared with the prior art, the reusable turnover formwork for the fabricated floor slab has the beneficial effects that: the turnover formwork is made of aluminum alloy or plastic materials with light dead weight and high strength, has the advantages of light volume weight, high bearing capacity, multiple repetition times, simplicity in assembly, accuracy in positioning and the like, saves a large amount of labor and material investment, reduces the comprehensive manufacturing cost of the assembled floor slab, and accords with green energy-saving buildings.

[ description of the drawings ]

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a front view of an embodiment of the present invention;

FIG. 3 is a schematic front cross-sectional view of an embodiment of the present invention;

figure 4 is a schematic view of the assembly of the embodiment of the utility model with a keel;

FIG. 5 is a schematic view of an assembly structure of a plurality of formworks and keels according to an embodiment of the present invention;

the figures in the drawings represent:

100 reusable turnaround formwork for fabricated floor;

101 keels, 102 clamping grooves, 103 keel top surfaces and 104 supporting surfaces;

1, a bottom plate, 11 formwork datum planes, 12 formwork bottom supporting planes and 13 second weight-reducing grooves; 2, a shell, 21 cavities, 22 air holes, 23 inclined plane structures and 24 reinforcing ribs; 3 formwork clamping strips, 31 assembling lead-in inclined plane structures and 32 first weight-reducing grooves.

[ detailed description ] embodiments

Example (b):

referring to fig. 1 to 5, the reusable assembly type floor slab turnaround formwork 100 of the present embodiment includes a bottom plate 1 and a hollow shell 2 protruding upward from the surface of the bottom plate 1, a formwork reference surface 11 distributed around the shell 2 is formed on the upper surface of the bottom plate 1, and formwork fastening strips 3 engaged with fastening grooves 102 on keels 101 are extended downward from two opposite side edges of the bottom plate 1.

After the keels 101 are erected, the formwork 100 is clamped into the clamping grooves 102 of the two keels 101 through the formwork clamping strips 3 on the two sides, so that the assembly of the formwork 100 can be completed, and the two sides of the formwork reference surface 11 can be seamlessly spliced with the top surfaces 103 of the keels. The formwork reference surface 11 is flush with the keel top surface 103.

The lower surface of bottom plate 1 is formed with the mould shell bottom bearing surface 12 that forms bearing structure with the cooperation of the bearing surface 104 on fossil fragments 101, and the thickness between mould shell reference surface 11 and the mould shell bottom bearing surface 12 is 5 ~ 50mm, and corresponds equally with the difference in height between bearing surface 104 and the fossil fragments top surface 103 on fossil fragments 101.

The height that the shuttering clamping strip 3 downwardly protrudes the shuttering bottom support surface 12 is 5-50 mm, the width of the shuttering clamping strip 3 is matched with the slot 102, and the width is 5-50 mm. The two sides of the bottom of the shuttering clamping strip 3 are provided with an inclined chamfer to form an assembly lead-in inclined structure 31.

When a plurality of formworks 100 are assembled together, the outer peripheral surface of the shell 2 and the formwork reference surface 11 surround to form a rib forming cavity. The top surface of the housing 2 is a planar structure and is provided with an air hole 22 communicating with the internal cavity 21. The four outer peripheral surfaces of the housing 2 are of a ramp structure 23. The overall height of the shell 2 is 50-800 mm. The design of the air holes 22 and the inclined plane structure 23 is more beneficial to the demoulding of the shuttering 100.

The thickness of the inner wall of the shell 2 is 1-5 mm. The inner wall surface of the housing 2 is uniformly provided with a plurality of reinforcing ribs 24.

In order to reduce the overall weight of the formwork 100, the formwork clamping bar 3 is provided with a first weight-reducing groove 32. The first weight-reducing groove 32 may be an internal through groove structure of the formwork clamping strip 3, or a groove structure formed by upward sinking from the lower surface of the formwork clamping strip 3. A plurality of second weight-reducing grooves 13 are arranged on the bottom plate 1. The second lightening grooves 13 may be through groove structures inside the bottom plate 1, or may be groove structures formed by being recessed upward from the lower surface of the bottom plate 1.

The front end face and the rear end face of the bottom plate 1 are of a plane structure or end face structures which can be matched with each other to form a gapless butt joint structure. After a plurality of formworks 100 are assembled on the keels 101, the front and the back can be arranged side by side, and the assembling efficiency and the assembling convenience of the formworks are greatly improved.

The entire mold 100 is made of aluminum alloy or plastic.

The reusable turnover formwork 100 for the fabricated floor is made of aluminum alloy or plastic materials with light dead weight and high strength, has the advantages of light volume weight, high bearing capacity, multiple repetition times, simplicity in assembly, accuracy in positioning and the like, saves a large amount of labor and material investment, reduces the comprehensive cost of the fabricated floor, and accords with green energy-saving buildings. In particular, the method comprises the following steps of,

1) the mould shell can be repeatedly used;

2) the formwork and the keel can be combined by adopting a clamping groove and clamping strip assembly structure to form a supporting-free formwork technical scheme;

3) the formwork is provided with the clamping strips, the width of each clamping strip is matched with the keel clamping groove, the formwork can be quickly and accurately installed, and construction quality hidden danger caused by displacement of the formwork is avoided;

4) the height from the basic surface to the supporting surface of the formwork is equal to the thickness of the formwork and the height from the top surface of the keel to the supporting surface of the keel, and the top surface of the keel, the basic surface of the formwork and the upper surface of the formwork after assembly and combination are in the same plane on the size design of the corresponding component, and the error is controlled within 5 mm;

5) the keel and the formwork on the same side are arranged closely, so that square timber components are not required to be added, the construction difficulty is reduced, and the construction efficiency is improved;

6) the top surface of the formwork is provided with air holes, so that the formwork is convenient to easily demold after concrete is poured by utilizing the principle of air pressure, the construction efficiency is improved, and the construction damage is reduced.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a but reuse's assembled floor is with turnover mould shell which characterized in that: the formwork clamping device comprises a bottom plate and a hollow shell which is upwards bulged from the surface of the bottom plate, wherein a formwork reference surface distributed around the shell is formed on the upper surface of the bottom plate, and formwork clamping strips matched with clamping grooves in keels are arranged on the opposite side edges of the bottom plate in a downward extending mode.

2. A reusable, fabricated floor turnaround formwork of claim 1, wherein: the formwork datum plane is flush with the top surface of the keel.

3. A reusable, fabricated floor turnaround formwork of claim 2, wherein: the lower surface of the bottom plate is provided with a formwork bottom supporting surface which is matched with the supporting surface on the keel to form a supporting structure.

4. A reusable fabricated floor turnaround formwork of claim 3, wherein: the thickness between the formwork datum plane and the formwork bottom supporting surface is correspondingly equal to the height difference between the supporting surface on the keel and the keel top surface.

5. A reusable fabricated floor turnaround formwork of any one of claims 1 to 4, wherein: the front end face and the rear end face of the bottom plate are of a plane structure or end face structures which can be matched with each other to form a gapless butt joint structure; when a plurality of the formworks are assembled together, the outer peripheral surface of the shell and the formwork datum plane jointly surround to form a rib beam forming cavity.

6. A reusable fabricated floor turnaround formwork of any one of claims 1 to 4, wherein: the top surface of the shell is of a plane structure, and an air hole communicated with the inner cavity is formed in the top surface.

7. A reusable fabricated floor turnaround formwork of any one of claims 1 to 4, wherein: the four peripheral surfaces of the shell are of inclined surface structures, and a plurality of reinforcing ribs are uniformly arranged on the surface of the inner wall of the shell.

8. A reusable fabricated floor turnaround formwork of any one of claims 1 to 4, wherein: inclined chamfer angles are arranged on two sides of the bottom of the formwork clamping strip to form an assembly guide inclined plane structure matched with the clamping groove in the keel.

9. A reusable fabricated floor turnaround formwork of any one of claims 1 to 4, wherein: a first weight reduction groove is formed in the formwork clamping bar; and a plurality of second weight-reducing grooves are formed in the bottom plate.

10. A reusable fabricated floor turnaround formwork of any one of claims 1 to 4, wherein: the whole mould shell is of an aluminum alloy structure or a plastic material structure.