Laminated slab cast-in-place belt structure

Abstract

The utility model discloses a laminated slab cast-in-place belt structure which comprises a laminated slab, a cast-in-place belt, a transverse reinforcing steel bar, a conical nut, a double-faced adhesive tape layer, a template, a screw rod, a square tube, a screw rod butterfly buckle and a nut, the laminated slab is provided with a through hole, the transverse reinforcing steel bar is arranged above the through hole, and the middle lower part of the transverse reinforcing steel bar is downwards provided with an extending part; the conical nut is detachably connected to the extending part, the screw rod is detachably connected into the conical nut, the cast-in-place belt is arranged above the transverse steel bar and the laminated slab, the formwork is arranged on the lower side of the through hole, the square tube is arranged on the lower side of the formwork, and the screw rod penetrates through the formwork, the square tube and the screw rod butterfly buckle and then is connected with the nut. The double-faced adhesive tape layer is arranged between the template and the laminated slab and located on the outer side of the through hole, the transverse size of the square tube is the same as that of the template, and the transverse size of the template is larger than the diameter of the through hole. The structure has the advantages of convenience in construction, low cost and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a cast-in-place belt structure of a composite slab. Background Art

[0002] The traditional cast-in-place belt is supported by supporting columns and requires the use of tension screws for construction. After the construction is completed, when the formwork needs to be removed, the tension screws need to be cut and then treated with anti-corrosion and anti-rust treatment, which makes the construction troublesome and costly. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, the utility model provides a composite slab cast-in-place strip structure which is convenient to construct and low in cost.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The invention discloses a cast-in-place strip structure of a composite slab, comprising a composite slab, a cast-in-place strip, a transverse steel bar, a conical nut, a double-sided adhesive layer, a template, a screw, a square tube, a screw butterfly buckle and a nut. The composite slab is provided with a through hole, the transverse steel bar is arranged above the through hole, the middle and lower parts of the transverse steel bar are provided with an extension part downward, the conical nut is detachably connected to the extension part, the screw is detachably connected in the conical nut, the cast-in-place strip is arranged above the transverse steel bar and the composite slab, the template is arranged at the lower side of the through hole, the square tube is arranged at the lower side of the template, the screw is connected to the nut after passing through the template, the square tube and the screw butterfly buckle, the double-sided adhesive layer is arranged between the template and the composite slab and the double-sided adhesive layer is located on the outside of the through hole, the square tube has the same lateral size as the template and the lateral size of the template is larger than the diameter of the through hole.

[0006] By adopting the above technical solution, the utility model has the following beneficial effects:

[0007] (1) The utility model includes a composite plate, a cast-in-place strip, a transverse steel bar, a conical nut, a double-sided adhesive layer, a template, a screw, a square tube, a screw butterfly buckle and a nut. The construction is relatively simple and convenient. Compared with the prior art, no cutting is required and no anti-corrosion and anti-rust treatment is required, thereby reducing the construction cost.

[0008] (2) Compared with the prior art, the screw, nut, screw butterfly buckle and other structures of the utility model can be recycled, with a high turnover rate, reducing material waste and material costs, and reducing the construction of square tubes and various main and secondary flutes, saving material costs;

[0009] In summary, the utility model has the advantages of convenient construction and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 The utility model is a structural schematic diagram of structures such as a transverse steel bar, a conical nut, a screw rod, a screw rod butterfly buckle and a nut. DETAILED DESCRIPTION

[0012] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0013] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0014] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0015] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] Example 1

[0018] In this embodiment, a composite slab cast-in-place strip structure is proposed, which can reduce material usage, reduce construction steps, and save costs.

[0019] like Figure 1 and Figure 2As shown, in one embodiment of the utility model, the cast-in-place strip structure of the composite plate of the utility model includes a composite plate 1, a cast-in-place strip 2, a transverse steel bar 3, a conical nut 4, a double-sided adhesive layer 5, a template 6, a screw 7, a square tube 8, a screw butterfly buckle 9 and a nut 10, the composite plate 1 is provided with a through hole 11, the transverse steel bar 3 is arranged above the through hole 11, and the middle and lower parts of the transverse steel bar 3 are downwardly provided with an extension 20, the conical nut 4 is detachably connected to the extension 20, the screw 7 is detachably connected in the conical nut 4, the cast-in-place strip 2 is arranged above the transverse steel bar 3 and the composite plate 1, the template 6 is arranged at the lower side of the through hole 11, the square tube 8 is arranged at the lower side of the template 6, the screw 7 passes through the template 6, the square tube 8 and the screw butterfly buckle 9 and is connected to the nut 10, the double-sided adhesive layer 5 is arranged between the template 6 and the composite plate 1 and the double-sided adhesive layer 5 is located on the outside of the through hole 11, the square tube 8 has the same lateral size as the template 6 and the lateral size of the template 6 is larger than the diameter of the through hole 11.

[0020] It can be understood that the structure of the cast-in-place belt 2 of the composite slab 1 of the present invention, that is, the structures such as the transverse steel bars 3, the conical nuts 4, the screws 7, the screw butterfly buckles 9 and the nuts 10 are applied in the reinforcement process of the cast-in-place belt 2 of the composite slab 1. The present invention abandons the traditional cast-in-place slab support columns, expands the operating space at the bottom of the slab, is simple and practical, and compared with the simple tension screws in the prior art, after the demolding of the present invention, the screws 7 and the conical nuts 4 can be disassembled and recycled, reducing material waste. After the ordinary tension screws are demolded, the vertical screws 7 need to be cut and anti-corrosion treatment is required. Anti-rust treatment. After the conical nut 4 is removed, the utility model can directly use cement mortar for repair, reducing the cutting, anti-corrosion and anti-rust treatment processes, and there is no hidden danger of rust. The prior art generally uses square wood secondary ribs and steel pipe main ribs for reinforcement. The bottom main rib of the template 6 of the utility model adopts a square tube 8 for locking and reinforcement, which reduces the secondary and main ribs and is practical, saving materials. The square tube 8 can also be replaced with perforated square wood, and the square tube 8 is specifically a steel square tube 8. The utility model improves the bottom forming quality of the post-cast plate belt of the composite plate 1, and avoids serious misalignment between the cast-in-place plate belt and the post-cast belt.

[0021] The present invention adopts a steel bar with a diameter of 18-20mm and an M14 screw 7, that is, the size of the transverse steel bar 3 is 18-20mm, and the diameter of the screw 7 is 14mm. The utility model is matched with a conical nut 4, and the conical nut 4 is located at the template 6 of the cast-in-place slab 1 of the composite plate. The bottom of the cast-in-place slab adopts a wooden template 6 or an aluminum template 6 as support, and the back rib adopts a perforated square wood or a perforated square tube 8. The lower hanging detachable screw 7 passes through the back rib and is locked with the conical nut 4. The back rib spacing is 500mm-800mm (specifically, the width of the cast-in-place slab is calculated and determined). The thickness of the composite plate 1 at the implementation project site is 60mm, and the thickness of the cast-in-place plate is 80mm. The length of the screw 7 is customized according to the actual thickness on site. Double-sided tape is used at the junction of the composite plate 1 and the cast-in-place slab template 6 to prevent leakage. Check the locking condition of the screw 7 and the back rib before pouring to avoid looseness and misalignment.

[0022] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the protection scope of the technical solution of the utility model.

Claims

1. Composite slab cast-in-place strip structure, characterized by : It includes a composite plate, a cast-in-place strip, a transverse steel bar, a conical nut, a double-sided adhesive layer, a template, a screw, a square tube, a screw butterfly buckle and a nut. The composite plate is provided with a through hole, the transverse steel bar is arranged above the through hole, and the middle and lower parts of the transverse steel bar are provided with an extension part downward. The conical nut is detachably connected to the extension part, and the screw is detachably connected in the conical nut. The cast-in-place strip is arranged above the transverse steel bar and the composite plate, the template is arranged at the lower side of the through hole, the square tube is arranged at the lower side of the template, the screw passes through the template, the square tube and the screw butterfly buckle and is connected to the nut, the double-sided adhesive layer is arranged between the template and the composite plate and the double-sided adhesive layer is located on the outside of the through hole, the square tube has the same lateral size as the template and the lateral size of the template is larger than the diameter of the through hole.

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