Laminated slab and slab strip fastening structure

Abstract

The utility model relates to a laminated slab and slab strip fastening structure which comprises a reinforcing steel bar, a screw welded on the lower side of the reinforcing steel bar, a clamping piece crimped at the bottom end of the screw, the reinforcing steel bar is perpendicular to the screw, the center position of the reinforcing steel bar is fixedly connected with the top end of the screw, and the bottom end of the screw penetrates through the clamping piece and is fixedly connected with the clamping piece through a plurality of nuts. A first laminated plate, a formwork, a batten and a steel pipe are sequentially connected between the reinforcing steel bar and the clamping piece in a pressing mode, a second laminated plate is arranged on one side of the first laminated plate in the length direction side by side, a laminated plate strip is fixedly connected between the first laminated plate and the second laminated plate, and the laminated plate strip is provided with a first longitudinal bar and a second longitudinal bar. The first longitudinal bar is fixedly connected with the second laminated slab, the second longitudinal bar is fixedly connected with the first laminated slab, and the steel pipe and the first longitudinal bar are arranged in parallel. The laminated slab and slab strip fastening structure has the advantages of being convenient to adjust, suitable for different thicknesses, capable of reducing cost, convenient to operate and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of composite plate construction, in particular to a composite plate and plate belt fastening structure. Background Art

[0002] At present, more and more projects adopt prefabricated structures. The floor adopts prefabricated composite slabs, with slab strips left between the composite slabs. The slab strips are 300 wide and cast with cast-in-place concrete. The template is used as the bottom template at the slab strip of the composite slab, and the lower part of the template uses a buckle-type steel pipe as support. The prefabricated composite slab is hoisted to the floor according to the position on the drawing and placed on the upper part of the template in the slab strip area. The composite slab reserves steel bars in the slab strip, and there is a gap between the composite slab and the template at the slab strip. In order to prevent the concrete slurry from flowing out of the gap when pouring concrete on the slab strip, affecting the quality of the concrete at the slab strip, and the slurry flows to the bottom of the composite slab to affect the visual effect of the composite slab.

[0003] To this end, we have developed a composite plate and plate strip fastening structure to solve the above problems. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and to provide a composite plate and plate belt fastening structure, which has the advantages of being easy to adjust, suitable for different thicknesses, reducing costs, and being easy to operate.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a composite plate and plate strip fastening structure, including a steel bar, a screw, a clamping piece and a steel pipe, the steel bar and the screw are vertically arranged, the center position of the steel bar is fixedly connected to the top of the screw, the bottom end of the screw is penetrated by the clamping piece, and is fixedly connected by a plurality of nuts, a first composite plate, a template, a wooden square and a steel pipe are crimped between the steel bar and the clamping piece from top to bottom in sequence, a second composite plate is arranged side by side at one side in the length direction of the first composite plate, a composite plate strip is fixedly connected between the first composite plate and the second composite plate, the composite plate strip is provided with a first longitudinal rib and a second longitudinal rib, the first longitudinal rib is fixedly connected to the second composite plate, the second longitudinal rib is fixedly connected to the first composite plate, and the steel pipe is arranged parallel to the first longitudinal rib.

[0006] Preferably, a hook structure is provided at each end of the clamping piece, and the hook structure and the wooden square can be adjusted to clamp the steel pipe.

[0007] Preferably, a through hole is provided at a middle position of the clamping member, and the screw rod passes through the through hole and is fixedly connected to the nut.

[0008] Preferably, the first composite plate is provided with a first transverse rib, a first curved hook is provided at one end of the first transverse rib, and the first curved hook is hooked with the second longitudinal rib and fixedly connected.

[0009] Preferably, the first composite plate is further provided with a third longitudinal rib, the third longitudinal rib is fixedly connected to the first transverse rib, and the top end is fixedly connected to a first lifting ear.

[0010] Preferably, the second composite plate is provided with a second transverse rib, and a second hook is provided at one end of the second transverse rib, and the second hook is hooked with the first longitudinal rib and fixedly connected.

[0011] Preferably, the second composite plate is further provided with a fourth longitudinal rib, the fourth longitudinal rib is fixedly connected to the second transverse rib, and a second lifting ear is fixedly connected to the top end.

[0012] Preferably, a through hole is provided at the middle position of the template, and the screw rod is arranged through the through hole.

[0013] Preferably, the diameter of the steel bar is Φ18 mm.

[0014] Preferably, the outer diameter of the screw is Φ14 mm.

[0015] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0016] The fastening structure of the composite plate and the plate strip of the utility model has adjustable positions of the clamping parts and the nuts, which can adapt to the thickness changes of different structures; reduce the cost of repairing the composite plate strip and the labor cost of cleaning the slurry at the bottom of the composite plate; the cost is low and the operation is convenient and easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the composite plate and plate strip fastening structure of the utility model.

[0018] Figure 2 The utility model is a schematic diagram of the connection structure of the steel bar, screw rod, clamping piece and nut. DETAILED DESCRIPTION

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] Figure 1 to Figure 2In the invention, a composite plate and plate strip fastening structure includes a steel bar 10, a screw rod 20, a clamping piece 50 and a steel pipe 60. The steel bar 10 and the screw rod 20 are vertically arranged. The center position of the steel bar 10 is fixedly connected to the top of the screw rod 20. The bottom end of the screw rod 20 is penetrated by the clamping piece 50 and is fixedly connected by a plurality of nuts 29. A first composite plate 30, a template 70, a wooden square 75 and a horizontally arranged steel pipe 60 are crimped between the steel bar 10 and the clamping piece 50 from top to bottom in sequence. The outer diameter of the steel pipe 60 is Φ48 mm. Each hook structure 51 clamps a steel pipe 60. A second composite plate 40 is arranged side by side at one side of the length direction of the first composite plate 30, and a composite plate strip 80 is fixedly connected between the first composite plate 30 and the second composite plate 40. The composite plate strip 80 is provided with a first longitudinal rib 85 and a second longitudinal rib 86. The first longitudinal rib 85 is fixedly connected to the second composite plate 40, and the second longitudinal rib 86 is fixedly connected to the first composite plate 30. The steel pipe 60 is arranged parallel to the first longitudinal rib 85, that is, the steel pipe 60 is arranged perpendicular to the first transverse rib 31 and the second transverse rib 41. A through hole 701 is provided at the middle position of the template 70, and the screw 20 is arranged through the through hole 701. The template 70 prevents the concrete slurry of the composite plate strip 80 from flowing out of the gap. The diameter of the steel bar 10 is Φ18mm and the length is 400mm. The outer diameter of the screw 20 is Φ14mm and the height is 300mm. The top of the screw 20 is fixedly connected to the steel bar 10 through the weld 22.

[0021] A hook structure 51 is provided at each end of the clamping member 50, and a through hole 52 is provided at the middle position of the clamping member 50. The hook structure 51 and the wooden square 75 can be adjusted to clamp the steel pipe 60. The clamping member 50 is a mountain-shaped structure. The screw rod 20 is arranged through the through hole 52 and is fixedly connected to the nut 29 through its external thread 21.

[0022] The first composite plate 30 is provided with a first transverse rib 31, and the first composite plate 30 is also provided with a third longitudinal rib 32. A first hook 311 is provided at one end of the first transverse rib 31, and the first hook 311 is hooked with the second longitudinal rib 86 and fixedly connected. The third longitudinal rib 32 is fixedly connected to the first transverse rib 31, and a first lifting ear 33 is fixedly connected to the top. The second composite plate 40 is provided with a second transverse rib 41, and the second composite plate 40 is also provided with a fourth longitudinal rib 43. A second hook 411 is provided at one end of the second transverse rib 41, and the second hook 411 is hooked with the first longitudinal rib 85 and fixedly connected. The fourth longitudinal rib 43 is fixedly connected to the second transverse rib 41, and a second lifting ear 42 is fixedly connected to the top. The lifting ear facilitates the lifting operation during assembly.

[0023] The construction steps are as follows:

[0024] 1. In order to reduce costs, use waste Φ18mm steel bars.

[0025] 2. Select a Φ14mm screw of appropriate length.

[0026] 3. The screw rod and the steel bar are welded into a T shape through the weld 22.

[0027] 4. A through hole 701 is punched in the template 70 of the plate strip.

[0028] 5. The fastening structure is inserted into the template hole from the upper part of the plate strip.

[0029] 6. Use the clamp 50 and nut 29 to tighten at the bottom of the template.

[0030] 7. The first superimposed plate 30 and the second superimposed plate 40 are respectively tightly fitted with the template 70 of the plate strip.

[0031] The above are only specific application examples of the utility model, and do not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. A composite plate and plate strip fastening structure, characterized in that: The invention comprises a steel bar (10), a screw rod (20), a clamping piece (50) and a steel pipe (60), wherein the steel bar (10) and the screw rod (20) are arranged vertically, the center position of the steel bar (10) is fixedly connected to the top end of the screw rod (20), the clamping piece (50) is passed through the bottom end of the screw rod (20), and is fixedly connected by a plurality of nuts (29), and a first composite plate (30), a template (70), a wooden square (75) and a steel pipe (60) are sequentially pressed between the steel bar (10) and the clamping piece (50) from top to bottom. A second composite plate (40) is arranged side by side at one side of the length direction of the first composite plate (30), a composite plate strip (80) is fixedly connected between the first composite plate (30) and the second composite plate (40), the composite plate strip (80) is provided with a first longitudinal rib (85) and a second longitudinal rib (86), the first longitudinal rib (85) is fixedly connected to the second composite plate (40), the second longitudinal rib (86) is fixedly connected to the first composite plate (30), and the steel pipe (60) is arranged parallel to the first longitudinal rib (85).

2. The laminated plate and plate strip fastening structure according to claim 1, characterized in that: A hook structure (51) is provided at each of the two ends of the clamping member (50), and the hook structure (51) and the wooden square (75) can be adjusted to clamp the steel pipe (60).

3. The laminated plate and plate strip fastening structure according to claim 2, characterized in that: A through hole (52) is provided at the middle position of the clamping member (50), and the screw rod (20) is arranged through the through hole (52) and is fixedly connected to the nut (29).

4. The laminated plate and plate strip fastening structure according to claim 1, characterized in that: The first composite plate (30) is provided with a first transverse rib (31), one end of the first transverse rib (31) is provided with a first curved hook (311), and the first curved hook (311) is hooked with the second longitudinal rib (86) and fixedly connected.

5. The laminated plate and plate strip fastening structure according to claim 4, characterized in that: The first laminated plate (30) is further provided with a third longitudinal rib (32), the third longitudinal rib (32) being fixedly connected to the first transverse rib (31), and a first lifting ear (33) being fixedly connected at the top end.

6. The laminated plate and plate strip fastening structure according to claim 1, characterized in that: The second laminated plate (40) is provided with a second transverse rib (41), one end of the second transverse rib (41) is provided with a second curved hook (411), and the second curved hook (411) is hooked with the first longitudinal rib (85) and fixedly connected.

7. The laminated plate and plate strip fastening structure according to claim 6, characterized in that: The second laminated plate (40) is further provided with a fourth longitudinal rib (43), the fourth longitudinal rib (43) being fixedly connected to the second transverse rib (41), and a second lifting ear (42) being fixedly connected at the top end.

8. The laminated plate and plate strip fastening structure according to claim 1, characterized in that: A through hole (701) is provided at the middle position of the template (70), and the screw rod (20) is arranged through the through hole (701).

9. The laminated plate and plate strip fastening structure according to claim 1, characterized in that: The diameter of the steel bar (10) is Φ18 mm.

10. The laminated plate and plate strip fastening structure according to claim 1, characterized in that: The outer diameter of the screw (20) is Φ14 mm.

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