Combined screw reinforcing structure for laminated slab

Abstract

The utility model discloses a combined screw rod reinforcing structure for laminated slab belongs to building construction technical field, including lower form, the top of lower form is pasted with laminated slab, the laminated slab is equipped with two places, and two laminated slab opposite fixed settings are in the left and right sides of lower form top surface, and the top surface of two laminated slab all is fixedly connected with the steel link holder. The utility model discloses through the cooperation and cooperation of upper support screw rod, upper baffle and crossbeam steel bar, not only provides the stable upper support for laminated slab, still through crossbeam steel bar with longitudinal adjacent upper support screw rod is connected as a whole, strengthens the overall rigidity and anti -deformation ability of upper support structure, avoids the unstable support, the structure easy deformation problem of easy appearing of existing support mode, simultaneously, the upper support structure and lower structure form the synergies of tightening, guarantee the close splicing of concrete slab and lower form.

Description

Technical Field

[0001] This utility model belongs to the field of building construction technology, and in particular relates to a combined screw reinforcement structure for composite slabs. Background Technology

[0002] As an important component in prefabricated buildings, the quality of the installation and reinforcement of composite slabs directly affects the overall structural safety of the building. At present, composite slab reinforcement mostly adopts traditional integrated screw rods, which are used to support the lower formwork to facilitate subsequent pouring operations.

[0003] For example, a composite slab reinforcement structure with application number "CN202220839317.4" includes a precast bottom slab and a precast top slab. The precast top slab is located above the precast bottom slab. A sound insulation board is fixedly connected to the lower surface of the precast top slab. A reinforcing layer is fixedly connected to the lower surface of the sound insulation board. Reinforcing ribs are fixedly connected to the inner wall of the reinforcing layer. A first concrete layer is fixedly connected to the lower surface of the reinforcing layer. This composite slab reinforcement structure, through the setting of the reinforcing layer, increases the strength of the composite slab due to the reinforcing ribs evenly distributed in a grid pattern within the reinforcing layer. Furthermore, through the setting of the mounting frame, the first concrete layer is fixedly connected to the mounting frame, and the mounting frames are interconnected by threaded rods. The precast top slab is then connected to the mounting frame by threaded rods, increasing the fixing effect and thus increasing the strength.

[0004] Based on the aforementioned existing technology, it is known that when splicing precast composite slabs with supporting templates, the existing method of support is to directly connect the bottom surface with screws. However, due to the gap between the supporting template and the composite slab in this support method, the cement slurry inside overflows, affecting the stability and aesthetics of the precast floor slabs. Utility Model Content

[0005] This utility model provides a combined screw reinforcement structure for composite slabs to solve the problem that in the existing composite slab splicing operation with the supporting template, the support is mostly achieved by directly connecting the screw to the bottom surface. However, due to the certain gap between the supporting template and the composite slab in this support method, the cement slurry inside overflows, affecting the stability and aesthetics of the precast floor slabs.

[0006] The present invention adopts the following technical solution: a combined screw reinforcement structure for composite plates, comprising a lower template, wherein the top of the lower template is attached to the composite plate.

[0007] The composite slab is provided in two locations, and the two composite slabs are fixedly installed on the left and right sides of the top surface of the lower template in opposite directions. Reinforcing bar frames are fixedly connected to the top surface of the two composite slabs. Concrete slabs are poured inside the two composite slabs and the lower template. A clamping mechanism is provided above the lower template. There are two clamping mechanisms, and the two clamping mechanisms are installed in opposite directions.

[0008] Both of the clamping mechanisms have screw holes at their bottom interiors, and both of the clamping mechanisms have upper support screws fixedly connected to their top surfaces.

[0009] The top end of the upper support screw is fixedly connected to an upper cover plate, and the inner sides of two longitudinally adjacent upper support screws are fixedly connected to crossbeam reinforcing bars. The left and right ends of the crossbeam reinforcing bars are respectively fixedly installed at the top ends of the two composite plates.

[0010] In a further technical solution, a split screw is screwed into the screw hole at the bottom end of the clamping mechanism, and the split screw passes through the cast-in-place concrete slab and the lower formwork on the downward side.

[0011] A further technical solution is that the bottom end of the lower template is provided with sleepers, and the bottom end of the sleepers is equipped with clamping components. There are two clamping components, which are arranged in a straight line array at the bottom ends of the two sleepers. The clamping components are mountain-shaped clamps.

[0012] In a further technical solution, the fixture assembly has a screw hole inside, which is used for the split screw to pass through.

[0013] In a further technical solution, both the lower template and the cast-in-place concrete slab have two positioning holes arranged in a linear array inside.

[0014] In a further technical solution, the positioning hole is used for the split screw to pass through, and each of the split screws passes downward through two horizontally adjacent sleepers.

[0015] In a further technical solution, a limiting nut is screwed onto the outer side of the split screw, and the bottom end of the limiting nut is in contact with the bottom end face of the clamp assembly.

[0016] In a further technical solution, the clamping mechanism, the split screw, and the limiting nut together form a tightening structure for the lower template and the composite plate.

[0017] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects:

[0018] Firstly, in this utility model, the tightening structure composed of a clamping mechanism, a split screw, and a limiting nut can simultaneously achieve the dual effects of upward pressing of the lower template and downward pressing of the composite slab and the cast-in-place concrete slab during the tightening of the limiting nut. This ensures that the two fit tightly without gaps, completely avoiding the overflow of cement slurry, thereby improving the structural stability and aesthetic appearance of the precast floor slab. Compared with existing support methods, this structure achieves a sealing effect on the splicing surface through active tightening design, significantly improving the quality of composite slab installation and reinforcement.

[0019] Secondly, in this utility model, the upper support screws, upper cover plate, and crossbeam reinforcement work together to provide stable upper support for the composite slab. The crossbeam reinforcement connects the longitudinally adjacent upper support screws into a whole, enhancing the overall rigidity and deformation resistance of the upper support structure and avoiding the problems of unstable support and easy structural deformation that are common in existing support methods. At the same time, the upper support structure and the lower tightening structure work together to ensure the tight splicing of the composite slab, cast-in-place concrete slab, and lower formwork, and to ensure the stability of the overall structure during the pouring operation. This fully meets the high requirements of prefabricated buildings for component installation accuracy and structural safety. Attached Figure Description

[0020] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the disassembled front side view of the present invention;

[0022] Figure 2 This is a schematic diagram of the overall top and side view of the present invention;

[0023] Figure 3 This is a schematic diagram of the left-side structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the combination structure of the clamping mechanism and the upper support screw of this utility model;

[0025] Figure 5 This is a top view of the structure of this utility model.

[0026] Figure Labels

[0027] 1. Lower formwork; 101. Composite slab; 1011. Rebar tie rod; 1012. Clamp assembly; 1013. Sleeper; 2. Clamp mechanism; 201. Upper support screw rod; 2011. Upper cover plate; 2012. Beam reinforcement; 2013. Split screw rod; 2014. Limit nut. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0030] Reference Figures 1 to 5 As shown, this utility model embodiment provides a combined screw reinforcement structure for composite plates, including: a lower template 1, with a composite plate 101 attached to the top of the lower template 1.

[0031] There are two composite slabs 101, and the two composite slabs 101 are fixedly installed on the left and right sides of the top surface of the lower formwork 1 in opposite directions. The top surfaces of the two composite slabs 101 are fixedly connected with steel reinforcement brackets 1011. Concrete slabs are poured inside the two composite slabs 101 and the lower formwork 1. A clamping mechanism 2 is installed above the lower formwork 1. There are two clamping mechanisms 2, and the two clamping mechanisms 2 are installed in opposite directions.

[0032] Both clamping mechanisms 2 have screw holes at their bottom interiors, and both clamping mechanisms 2 have upper support screws 201 fixedly connected to their top surfaces.

[0033] The top end of the upper support screw 201 is fixedly connected to the upper cover plate 2011. The inner sides of the two longitudinally adjacent upper support screws 201 are fixedly connected to the crossbeam steel bars 2012. The left and right ends of the crossbeam steel bars 2012 are respectively fixedly set at the top ends of the two composite plates 101. The lower formwork 1 provides the lower bearing foundation for the overall structure. The composite plate 101, as the core component, is attached to the top of the lower formwork 1. The two opposing clamping mechanisms 2 provide connection points for the upper support structure. The upper support screws 201 and the upper cover plate 2011 cooperate to provide stable upper support for the composite plate 101. The crossbeam steel bars 2012 can connect the longitudinally adjacent upper support screws 201 into a whole to enhance the rigidity of the upper structure. The cast-in-place concrete slab inside the composite plate 101 ensures the structural strength of the composite plate 101 itself, laying the foundation for subsequent overall reinforcement and pouring operations.

[0034] like Figure 2As shown, specifically, a split screw rod 2013 is screwed into the screw hole at the bottom end of the clamping mechanism 2. The split screw rod 2013 passes downward through the cast-in-place concrete slab and the lower formwork 1, and is screwed into the screw hole at the bottom end of the clamping mechanism 2. It then passes downward through the cast-in-place concrete slab and the lower formwork 1 in sequence, making the split screw rod 2013 a key component connecting the upper clamping mechanism 2 with the lower formwork 1 and the cast-in-place concrete slab. This achieves the initial longitudinal penetration of the upper and lower parts of the reinforced structure, providing the necessary connecting carrier for the subsequent construction of the tightening structure and improvement of the overall connectivity.

[0035] like Figure 3 As shown, specifically, a sleeper 1013 is provided at the bottom of the lower template 1, and a clamping assembly 1012 is installed at the bottom of the sleeper 1013. There are two clamping assemblies 1012, which are arranged in a straight line array at the bottom of the two sleepers 1013. The clamping assemblies 1012 are mountain-shaped clamps. The sleepers 1013 at the bottom of the lower template 1 can prevent the lower template 1 from directly contacting the ground, thus avoiding uneven force distribution or damage and providing stable support for the lower template 1. The two mountain-shaped clamping assemblies 1012 arranged in a straight line array at the bottom of the sleepers 1013 can further fix the position of the sleepers 1013, enhance the stability of the lower support of the lower template 1, and provide a lower force point for the subsequent installation of the split screw 2013.

[0036] like Figure 5 As shown, specifically, the clamp assembly 1012 has a screw hole inside for the split screw 2013 to pass through. The screw hole inside the clamp assembly 1012 allows the split screw 2013 to pass smoothly through the lower clamp assembly 1012, thereby achieving complete longitudinal penetration from the upper clamp mechanism 2 to the lower clamp assembly 1012. This allows the split screw 2013 to connect the upper and lower key components of the reinforcement structure, creating conditions for applying tightening force through the split screw 2013 and achieving a tight splicing of the structure.

[0037] like Figure 1 As shown, specifically, two positioning holes are arranged in a straight line inside both the lower template 1 and the cast-in-place concrete slab. The positioning holes provide precise guidance for the installation of the split screw 2013, ensuring that the holes are aligned when the split screw 2013 passes through the lower template 1 and the cast-in-place concrete slab. This avoids installation difficulties or force displacement of the split screw 2013 due to hole position deviation, and ensures the accuracy and overall stability of the subsequent reinforcement structure installation.

[0038] like Figure 4As shown, specifically, the positioning holes are used for the split screws 2013 to pass through. Each split screw 2013 passes downward through two horizontally adjacent sleepers 1013. The positioning holes further ensure the accuracy of the split screw 2013 installation, and the split screw 2013 connects two horizontally adjacent sleepers 1013, enhancing the integrity between the sleepers 1013, preventing the force deviation of a single sleeper 1013, and further improving the overall rigidity of the lower support structure of the lower template 1.

[0039] like Figure 2 As shown, specifically, a limiting nut 2014 is screwed onto the outer side of the split screw 2013. The bottom end of the limiting nut 2014 is in contact with the bottom end face of the clamp assembly 1012. Through the threaded engagement between the limiting nut 2014 and the split screw 2013, tightening the limiting nut 2014 can apply an upward force to the clamp assembly 1012, causing the clamp assembly 1012 to press upward against the sleeper 1013, indirectly providing an upward clamping force for the lower template 1, and providing a source of tightening force for the subsequent tight fit between the lower template 1 and the composite plate 101.

[0040] like Figure 3 As shown, specifically, the clamping mechanism 2, the split screw 2013, and the limiting nut 2014 together form a tightening structure for the lower template 1 and the composite slab 101. By tightening the limiting nut 2014, the clamping mechanism 2 can be driven to press the composite slab 101 downwards, and the clamping assembly 1012 can be driven to push the lower template 1 upwards, so that the lower template 1 and the composite slab 101 are tightly fitted, eliminating the gap between them, preventing cement slurry from overflowing during the pouring operation, and effectively improving the structural stability and appearance of the precast floor slab.

[0041] In use, first, place the sleeper 1013 at the bottom of the lower template 1, ensuring that the sleeper 1013 and the bottom of the lower template 1 are completely in contact; then, install the two clamping components 1012 (mountain-shaped clamps) arranged in a straight array at the bottom of the sleeper 1013, ensuring that the screw holes inside the clamping components 1012 are in a state that can be subsequently connected, so as to build a stable lower support foundation for the lower template 1;

[0042] The composite plate 101 is attached to the top of the lower template 1. After placement, a cast-in-place concrete slab is poured. Two positioning holes are opened in a straight line array inside the lower template 1 and the cast-in-place concrete slab, so that the holes are completely coaxial, in preparation for the subsequent insertion of the split screw 2013.

[0043] Then, attach the two opposing clamping mechanisms 2 to the top of the composite plate 101, adjust the position of the clamping mechanism 2 so that the screw hole at the bottom of the clamping mechanism 2 is coaxial with the positioning hole after the cast-in-place concrete slab and the lower template 1 are aligned, and ensure that the split screw 2013 can be smoothly inserted.

[0044] Then, the split screw 2013 is screwed into the screw hole at the bottom of the clamping mechanism 2. Then, the split screw 2013 is made to pass downward through the positioning hole of the cast-in-place concrete slab and the positioning hole of the lower formwork 1 in sequence, and continue to pass downward through two horizontally adjacent sleepers 1013, and finally pass through the screw hole inside the clamping assembly 1012, so as to achieve the longitudinal through connection from the upper clamping mechanism 2 to the lower clamping assembly 1012.

[0045] Screw the limiting nut 2014 onto the outside of the split screw 2013, and slowly tighten the limiting nut 2014 until its bottom end is completely in contact with the bottom end face of the clamp assembly 1012; continue to tighten the limiting nut 2014. At this time, the clamp assembly 1012 pushes the sleeper 1013 upward under the force of the limiting nut 2014, and the sleeper 1013 pushes the lower template 1 upward simultaneously. At the same time, the split screw 2013 drives the clamp mechanism 2 to press the cast-in-place concrete slab and the composite slab 101 downward under the tension of the limiting nut 2014, so that the lower template 1 and the composite slab 101 are tightly in contact, eliminating the gap between them.

[0046] The upper support screw 201 is fixedly connected to the top surface of the clamping mechanism 2. Then, the upper cover plate 2011 is fixedly connected to the top of the upper support screw 201 to enhance the stress stability of the top of the upper support screw 201. Finally, the crossbeam steel bar 2012 is fixedly connected to the inner side of two longitudinally adjacent upper support screws 201. The longitudinally adjacent upper support screws 201 are connected into a whole by the crossbeam steel bar 2012, which improves the deformation resistance of the upper support structure and ensures the stability of the overall reinforced structure in subsequent pouring operations. The split screw 2013 can be removed from the clamping assembly 1012 after a single use and used for subsequent pouring. This repeated use can greatly reduce the cost of use.

[0047] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A composite screw reinforcement structure for laminated slabs, comprising a lower template (1), characterized in that, The top of the lower template (1) is fitted with a composite plate (101). There are two composite slabs (101), and the two composite slabs (101) are fixedly installed on the left and right sides of the top surface of the lower template (1) in opposite directions. The top surfaces of the two composite slabs (101) are fixedly connected with steel reinforcement brackets (1011). The two composite slabs (101) and the lower template (1) are filled with concrete slabs. A clamping mechanism (2) is provided above the lower template (1). There are two clamping mechanisms (2), and the two clamping mechanisms (2) are installed in opposite directions. Both clamping mechanisms (2) have screw holes at their bottom ends, and both clamping mechanisms (2) have upper support screws (201) fixedly connected to their top surfaces. The top end of the upper support screw (201) is fixedly connected to the upper cover plate (2011), and the inner sides of the two longitudinally adjacent upper support screws (201) are fixedly connected to the crossbeam steel bars (2012). The left and right ends of the crossbeam steel bars (2012) are respectively fixedly set at the top ends of the two composite plates (101).

2. The composite screw reinforcement structure for laminated plates according to claim 1, characterized in that: The bottom screw hole of the clamping mechanism (2) is screwed with a split screw rod (2013), which passes through the cast-in-place concrete slab and the lower formwork (1) on the downward side.

3. The composite screw reinforcement structure for composite plates according to claim 2, characterized in that: The bottom end of the lower template (1) is provided with a sleeper (1013), and the bottom end of the sleeper (1013) is equipped with a clamp assembly (1012). There are two clamp assemblies (1012), and the two clamp assemblies (1012) are arranged in a straight line array at the bottom end of the two sleepers (1013). The clamp assembly (1012) is a mountain-shaped clamp.

4. The composite screw reinforcement structure for composite plates according to claim 3, characterized in that: The clamp assembly (1012) has a screw hole inside, through which the split screw (2013) passes.

5. The composite screw reinforcement structure for composite plates according to claim 1, characterized in that: The lower template (1) and the cast-in-place concrete slab both have two positioning holes arranged in a straight line.

6. The composite screw reinforcement structure for composite plates according to claim 5, characterized in that: The positioning hole is for the split screw (2013) to pass through, and each of the split screws (2013) passes downward through two horizontally adjacent sleepers (1013).

7. The composite screw reinforcement structure for composite plates according to claim 6, characterized in that: A limiting nut (2014) is screwed onto the outer side of the split screw (2013), and the bottom end of the limiting nut (2014) is in contact with the bottom end face of the clamp assembly (1012).

8. The composite screw reinforcement structure for composite plates according to claim 1, characterized in that: The clamping mechanism (2), together with the split screw (2013) and the limiting nut (2014), forms a tightening structure for the lower template (1) and the composite plate (101).

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