CN218563046U - Two-sided coincide wallboard door and window entrance to a cave exempts from formwork stripping structure - Google Patents

Abstract

The utility model relates to a double-sided superposed wallboard door and window opening form-stripping-free formwork structure, which comprises a screw, a cement-based composite formwork shell plate, a steel pipe, a three-type clamp and a reentrant corner reinforcing mould; the screw vertically penetrates through the cement-based composite mould shell plate and is prefabricated into a whole; the pair of parallel steel pipes are vertically arranged at two sides of the screw rod and clamped by the three-type clamp; the front face of the internal corner reinforcing mold is in a right-angle shape and is arranged at four corners of the door and window opening; the cross section of the internal corner reinforcing mold is U-shaped, and the three types of clamps are limited in an area between the inner side walls of the internal corner reinforcing mold; the screw rods are welded and fixed with the truss steel bars in the double-sided laminated wallboard, and the whole of the double-sided laminated wallboard door and window opening formwork structure without formwork disassembly is supported and positioned.

Description

Two-sided coincide wallboard door and window entrance to a cave exempts from formwork stripping structure

Technical Field

The utility model relates to a door and window entrance to a cave formwork structure especially relates to a two-sided coincide wallboard door and window entrance to a cave exempts from form removal formwork structure, belongs to building technical field.

Background

When the double-sided superposed wallboard is produced, the door and window opening is reserved by adopting the foam strip as a temporary template. During on-site construction, after the double-sided superposed wallboard is hoisted and installed, the side edge of the door and window opening needs to be sealed again, and the template is removed after concrete pouring and curing are completed.

In the prior art, a door and window opening sealing mold in a double-sided laminated wallboard adopts a shaping wood mold, a batten and a support rod piece as a mold sealing fixing support, as shown in figure 1. Before the mold sealing, a double-sided foam adhesive tape is adopted and is adhered to the contact part of the side surface of the opening superposed wallboard and the mold sealing plate to be used as a water-stopping and slurry-stopping sealing strip; the lower edge sealing die template of the window opening is provided with exhaust holes in advance by using an electric drill and is used for observing the concrete pouring compaction condition.

The prior art has the following defects:

1) In the installation and construction process of the sandwich heat-insulation laminated wallboard, the formwork of the door and window opening has low industrialization degree, a formwork engineering construction scheme needs to be worked out before construction, and the sizes of the formwork scheme, the formwork and a supporting tool need to be formulated according to different opening sizes; in the construction process, the engineering quantity is complicated, and the overall construction efficiency is influenced;

2) In the side mould material used for reserving the door and window openings, the foam can be used only once, which causes waste; the turnover rate of the wood template is low, manual cutting is needed, and the accuracy is not high; when the laminated slab is poured, the size of the side die of the opening of the double-sided laminated wallboard is smaller, the demand is large, and more formwork supporting time and labor resources are consumed;

3) When the doors and windows at the openings of the doors and windows of the sandwich heat-insulation laminated wallboard are installed, the requirements on waterproof and anti-cracking measures are high, otherwise, the air tightness and the waterproof and anti-seepage performance of the doors and windows are easily influenced.

Disclosure of Invention

The utility model aims at providing a double-sided superimposed wallboard door and window opening form-erecting structure without form-erecting, simplifying the construction process of the door and window opening and improving the construction efficiency of the opening form-erecting; the workload of mold sealing is reduced, the working strength is reduced, and the precision of the size of the door and window opening and the smoothness of the bottom surface, the top surface and the two sides of the opening are improved; reducing the mould sealing consumables; the sealing and waterproof performance of the hole is improved.

The invention adopts the following technical scheme:

a double-sided laminated wallboard door and window opening form-removal-free formwork structure comprises a screw 8, a cement-based composite formwork shell plate 7, a steel pipe 11, a three-type clamp 10 and an internal corner reinforcing mold 9; the screw 8 vertically penetrates through the cement-based composite mould shell plate 7 and is prefabricated into a whole; a pair of parallel steel pipes 11 are vertically arranged at two sides of the screw 8 and clamped by the three-type clamp 10; the front surface of the internal corner reinforcing mold 9 is in a right-angle shape and is arranged at four corners of the door and window opening; the cross section of the internal corner reinforcing mold 9 is U-shaped, and the three-shaped clamp 10 is limited in an area between the inner side wall and the inner side wall; the screw rods 8 are welded and fixed with the truss steel bars in the double-sided superposed wallboard, and the whole of the double-sided superposed wallboard door and window opening formwork structure without formwork disassembly is supported and positioned.

Preferably, the cement-based composite formwork panel 7 is one of a concrete panel, a fiber reinforced cement panel and a polymer cement concrete panel.

Preferably, the cement-based composite formwork shell plates 7 on the bottom surface, the top surface and the two sides of the door and window opening are respectively provided with 2 screw rods 8; the cement-based composite mould shell plate 7 on the bottom surface is provided with exhaust holes with the distance of within 400mm and the diameter of 12-20 mm.

Preferably, the internal corner reinforcing mold 9 comprises two vertical connecting pads 901, which are connected and supported by angle steel 902; the inner side of the connecting gasket 901 is fixedly connected with an angle steel 902.

Further, a waist-shaped hole for installing a fastener is formed in the connecting pad 901.

Preferably, the cement-based composite mold shell plate 7 positioned on the top surface of the door and window opening is provided with a water dripping line when being prefabricated in a factory.

The beneficial effects of the utility model reside in that:

1) The cement-based composite formwork shell plate with the screw rod is used as a door and window opening formwork in the production and construction processes of the double-sided laminated wallboard and is integrated with the laminated wallboard, so that the problems of slurry leakage and large material loss in the traditional door and window opening sealing mode are effectively solved, and meanwhile, the waterproof and anti-cracking effects are achieved;

2) Need not artifical scene cutting template, need not the horizontal vertical braces in the entrance to a cave. By using the sizing internal corner reinforcing tool, the construction process is simplified, the die sealing tools are reduced, the labor resource, the material and the time are greatly saved, and the construction efficiency is improved;

3) The cement-based composite formwork shell plate with the screw is manufactured in a factory, so that the accuracy of viewing the window frame and the flatness of the side edge of the opening are ensured, the side edge of the opening can be free from plastering, and the window frame without an auxiliary frame can be adopted, so that the construction efficiency of door and window engineering is improved, and the cost is reduced;

4) The top surface mold shell plate can be provided with a water dripping line during factory prefabrication according to a drawing, and the water dripping line is not required to be installed later or a water dripping line model is reserved in a mold supporting process.

Drawings

Fig. 1 is a schematic diagram of a double-faced laminated wallboard in-situ formwork by using a wood formwork in the prior art.

Fig. 2 is a schematic view of the formwork structure of the double-sided folding wall panel door/window opening without form removal of the present invention, wherein a is a front view and b is a top view.

Fig. 3 is a partially enlarged view of fig. 2.

Fig. 4 is a schematic view of the internal corner reinforcing mold, in which a is a front view and b is a plan view.

In the figure, 1, internal corner reinforcing battens, 2, supporting reinforcing battens, 3, supporting rods, 4, template reinforcing battens, 5, wood templates, 6, wallboard single-sheet stainless steel trusses, 7, cement-based conforming formwork plates, 8, screws, 9, a male-female reinforcing mold, 10, a three-type clamp, 11, steel pipes, 12, exhaust holes, 13, a double-sided overlapped wallboard, 901, a connecting gasket, 902, angle steel, 903 and an inclined supporting plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example one (comparative example):

referring to fig. 1, prefabricated coincide wallboard door and window entrance to a cave needs the formwork before pouring, and this embodiment adopts plank sheathing 5 and template reinforcement flitch 4 to consolidate, and the centre adopts support member 3 to support, and plank sheathing 5 and template reinforcement flitch 4 all are disposable consumptive material, still need demolish after the window opening is pour and is accomplished, therefore the work load is bigger, and the industrialization degree is lower. In the side mold material reserved for the door and window openings, foam can be used only once, so that waste is caused; the wood template has low turnover rate, needs manual cutting and has low accuracy; when the composite slab is poured, the size of the side die of the opening of the double-sided composite wallboard is smaller, the demand is large, and the formwork supporting time and the labor resources are consumed.

Example two:

referring to fig. 2-4, the double-sided laminated wallboard door and window opening form-removal-free formwork structure comprises a screw 8, a cement-based composite formwork shell plate 7, a steel pipe 11, a three-shaped clamp 10 and an internal corner reinforcing mold 9; the screw 8 vertically penetrates through the cement-based composite mould shell plate 7 and is prefabricated into a whole; a pair of parallel steel pipes 11 are vertically arranged at two sides of the screw 8 and clamped by the three-type clamp 10; the front surface of the internal corner reinforcing mold 9 is in a right-angle shape and is arranged at four corners of the door and window opening; the cross section of the internal corner reinforcing mold 9 is U-shaped, and the three-shaped clamp 10 is limited in an area between the inner side wall and the inner side wall; the screw rods 8 are welded and fixed with the truss steel bars in the double-sided superposed wallboard, and the whole of the double-sided superposed wallboard door and window opening formwork structure without formwork disassembly is supported and positioned.

In this embodiment, the cement-based composite formwork panel 7 is one of a concrete panel, a fiber reinforced cement panel, and a polymer cement concrete panel.

In this embodiment, referring to fig. 2-3, 2 screw rods 8 are respectively arranged on the bottom surface, the top surface and the two side cement-based composite formwork plates 7 of the door and window opening; the cement-based composite mould shell plate 7 on the bottom surface is provided with exhaust holes with the distance of within 400mm and the diameter of 12-20 mm.

In this embodiment, referring to fig. 4, the internal corner reinforcing mold 9 has two vertical connecting pads 901 connected and supported by an angle 902; the inner side of the connecting gasket 901 is fixedly connected with an angle steel 902.

In this embodiment, referring to fig. 4, the connecting pad 901 is provided with a kidney-shaped hole for installing a fastener.

In this embodiment, the cement-based composite form panels 7 on the top surface of the door and window openings are provided with drip lines when being prefabricated in the factory.

When the concrete construction is carried out on site, the method comprises the following steps:

s1, in the production process of the double-sided laminated wallboard, a cement-based composite mold shell plate with a screw (hereinafter referred to as a mold shell plate) is used as a door and window hole side mold. The cement-based composite formwork slab comprises but is not limited to a high-performance concrete slab, a fiber reinforced cement slab, a polymer cement concrete slab and the like, and has the characteristics of higher strength than common concrete, water resistance, fire resistance, stable size and the like. The screw rod in the wall body is welded with the truss steel bar of the laminated wall plate;

s2, arranging 2 threaded rods on the bottom surface, the top surface and the die shell plates on the two sides of the door and window opening respectively; exhaust holes with the distance of within 400mm and the diameter of 12-20mm need to be formed in the bottom surface formwork shell plate, and the exhaust holes can be used for observing the concrete pouring compaction condition and controlling the quality of cast-in-place concrete.

And S3, conveying the double-sided superposed wallboard to a construction site, after the hoisting and installation are completed, and when the door and window opening is sealed, paving a wood template, reinforcing by matching steel pipes or square steel with corresponding lengths with a three-type clamp, wherein four internal corners of the door and window opening adopt shaping internal corner reinforcing molds.

The second embodiment is a better embodiment.

In the second preferred embodiment of the present invention, those skilled in the art can make various changes or improvements on the basis of the above embodiments, and these changes or improvements should fall within the scope of the present invention as claimed without departing from the general concept of the present invention.

Claims (6)

1. The utility model provides a two-sided coincide wallboard door and window entrance to a cave exempts from formwork stripping structure which characterized in that:

comprises a screw rod (8), a cement-based composite mould shell plate (7), a steel pipe (11), a three-shaped clamp (10) and an internal corner reinforcing mould (9);

the screw (8) vertically penetrates through the cement-based composite formwork plate (7) and is prefabricated into a whole;

the pair of parallel steel pipes (11) are vertically arranged on two sides of the screw (8) and clamped by the three-type clamp (10);

the front face of the internal corner reinforcing mold (9) is in a right-angle shape and is arranged at four corners of the door and window opening; the cross section of the internal corner reinforcing mold (9) is U-shaped, and the three-shaped clamp (10) is limited in an area between the inner side wall and the inner side wall;

the screw (8) is welded and fixed with the truss steel bars in the double-sided superposed wallboard, and the whole of the double-sided superposed wallboard door and window opening form-dismantling-free formwork supporting structure is supported and positioned.

2. The double-sided laminated wallboard door and window opening form-removal-free formwork structure of claim 1, characterized in that: the cement-based composite formwork shell plate (7) is one of a concrete plate, a fiber reinforced cement plate and a polymer cement concrete plate.

3. The double-sided laminated wallboard door and window opening form-removal-free formwork structure of claim 1, characterized in that: 2 screw rods (8) are respectively arranged on the cement-based composite formwork plates (7) on the bottom surface, the top surface and the two sides of the door and window opening; the cement-based composite formwork shell plate (7) on the bottom surface is provided with exhaust holes with the distance of within 400mm and the diameter of 12-20 mm.

4. The double-sided laminated wallboard door and window opening form-removal-free formwork structure of claim 1, characterized in that: the internal corner reinforcing mold (9) comprises two vertical connecting gaskets (901), and the two connecting gaskets are connected and supported by angle steel (902); the inner side of the connecting gasket (901) is fixedly connected with the angle steel (902).

5. The double-sided laminated wallboard door and window opening form-removal-free formwork structure of claim 4, wherein: the connecting gasket (901) is provided with a waist-shaped hole for installing a fastener.

6. The double-sided laminated wallboard door and window opening form-removal-free formwork structure of claim 1, characterized in that: the cement-based composite formwork shell plate (7) positioned on the top surface of the door and window opening is provided with a water dripping line.

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