CN217601819U - Novel superimposed sheet is fixed device - Google Patents
Novel superimposed sheet is fixed device Download PDFInfo
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- CN217601819U CN217601819U CN202220920462.5U CN202220920462U CN217601819U CN 217601819 U CN217601819 U CN 217601819U CN 202220920462 U CN202220920462 U CN 202220920462U CN 217601819 U CN217601819 U CN 217601819U
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- shaped steel
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Abstract
The utility model provides a novel superimposed sheet fixing device, which comprises an anchorage device, aluminum alloy H-shaped steel and a nut; the anchorage device is embedded in the precast slab and comprises an anchor plate and a screw rod; the anchor plate is fixedly connected with the prefabricated plate, one end of the screw rod is connected with the anchor plate, and the other end of the screw rod extends upwards along the anchor plate to extend out of the prefabricated plate; the aluminum alloy H-shaped steel is arranged on the rotary screw rod extending out of the prefabricated plate and connected with the rod body of the rotary screw rod through a nut, so that the height of the aluminum alloy H-shaped steel relative to the rotary screw rod is adjustable. The utility model has the advantages that: (1) The screw rod can play a certain role in connecting the precast slab and the cast-in-place layer and bear the shearing force of the upper and lower layer joint surfaces; meanwhile, the aluminum alloy H-shaped steel is connected with the prefabricated plate into a whole through an anchorage device, so that the rigidity of the prefabricated plate is enhanced; (2) Compared with the existing truss ribs, the truss rib has higher rigidity and better effect, and the number of supports below the laminated slab can be greatly reduced; and (3) the aluminum alloy H-shaped steel can be recycled, and is low-carbon and environment-friendly.
Description
Technical Field
The utility model relates to an assembly type structure construction field especially relates to a novel superimposed sheet is fixed device.
Background
With the development and progress of society, the assembly type building is being widely popularized. The laminated slab is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers.
At present, in the assembly type building construction, the laminated slab is commonly provided with truss ribs in the prefabricated slab, and the truss ribs only have the functions of improving the rigidity of the slab, enhancing the connection performance of the upper layer and the lower layer of the slab and the shearing resistance of a joint surface and preventing the slab from cracking in the hoisting and construction processes. But because the truss ribs are poured and buried in the slab along with the cast-in-place layer, the truss ribs cannot be recycled, the cost performance of material use is low, and the construction cost is further improved. Simultaneously, at present prefabricated plate field installation process, because the truss muscle is limited to the effect of prefabricated plate, the board bottom need set up very dense shore usually and supports, and this is accompanied huge manual work volume undoubtedly, also occupies the operation face space of lower floor simultaneously, alternates also to the holistic high-efficient process of engineering and has certain influence.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel superimposed sheet is fixed device is provided, the device can replace the truss muscle effect of board and reduce the quantity that the board end supported by a wide margin, but reuse realizes building the low carbon simultaneously.
The utility model discloses a following technical scheme solves above-mentioned technical problem:
a novel laminated slab fixing device is matched with a prefabricated slab and comprises an anchorage device, aluminum alloy H-shaped steel and a nut; the anchorage device is embedded in the precast slab and comprises an anchor slab and a screw rod; the anchor plate is fixedly connected with the precast slab, one end of the screw rod is connected with the anchor plate, and the other end of the screw rod extends upwards along the anchor plate to extend out of the precast slab; the aluminum alloy H-shaped steel is connected with the rod body of the screw rod through two nuts, so that the height of the aluminum alloy H-shaped steel relative to the screw rod is adjustable.
As one of the preferable modes of the utility model, a reinforcing mesh is arranged at the bottom of the precast slab; and the anchor plate of the anchor is fixed with the reinforcing mesh.
As one of the preferable modes of the utility model, the reinforcing mesh comprises a stress bar and a distribution bar; the stress ribs and the distribution ribs are distributed in the precast slab in a criss-cross mode along the horizontal direction of the precast slab.
As one of the preferable modes of the utility model, the aluminum alloy H-shaped steel is provided with a screw perforation; the screw rod penetrates through the aluminum alloy H-shaped steel through the screw rod through hole, and the two nuts are matched to realize the relative fixation of the height of the aluminum alloy H-shaped steel.
As one of the preferred modes of the utility model, two the nut is located respectively the upper and lower both ends of aluminum alloy H shaped steel, and with screw thread rotation fit between the spiral silk screw rod.
As one of the preferable modes of the utility model, between nut and the aluminum alloy H shaped steel to and, between nut and the prefabricated plate, still fill up respectively and be equipped with the gasket.
As one preferable mode of the present invention, the anchor is provided with a plurality of anchors arranged at equal intervals along the length direction of the prefabricated panel.
As one preferable mode of the present invention, the anchor plate of the anchor device has a size of 100mmx100mm and a thickness of 10mm; the length of a screw rod of the anchor device is 250mm, the diameter of the screw rod is 20mm, and a long screw is connected.
As one of the preferable modes of the utility model, the height of the nut is not less than 10mm, and the thickness of the gasket matched with the nut is not less than 3mm.
As one of the preferable modes of the utility model, when the prefabricated plate is less than 3m in length, the cross-sectional dimension of the aluminum alloy H-shaped steel is 100mmx100mmx8mmx6mm.
The utility model discloses compare prior art's advantage and lie in:
(1) The utility model does not need to be provided with truss ribs, and the screw rod can play a certain connecting role for the precast slab and the cast-in-place layer and bear the shearing force of the upper and lower layer junction surfaces; meanwhile, the aluminum alloy H-shaped steel is connected with the prefabricated slab into a whole through an anchorage device, so that the rigidity of the prefabricated slab can be enhanced, cracks are not generated in the hoisting and transporting processes, and the aluminum alloy H-shaped steel also plays a role of a lifting hook;
(2) The utility model effectively maintains the rigidity of the prefabricated slab during the field installation process through the aluminum alloy H-shaped steel, has higher rigidity and better effect compared with the prior truss rib, and can greatly reduce the supporting quantity below the laminated slab, thereby not only effectively reducing the construction workload, but also releasing the space of the lower working face;
(3) The utility model discloses the quality of aluminum alloy H shaped steel is lighter, and easy construction, and ability reuse, save material, low carbon environmental protection.
Drawings
FIG. 1 is a schematic front view showing the structure of an anchor according to example 1;
FIG. 2 is a schematic left side view of the anchor of example 1;
FIG. 3 is a schematic top view of the anchor of example 1;
FIG. 4 is a structural view of a prefabricated panel of example 1 after being prefabricated and formed and fixed with aluminum alloy H-shaped steel;
FIG. 5 is an enlarged view of the portion A of FIG. 4;
FIG. 6 is a top view structural view of an aluminum alloy H-shaped steel in example 1;
FIG. 7 is a schematic view showing the construction of the prefabricated panel of example 1 in which the H-section steel of the aluminum alloy is adjusted at the installation stage on the construction site;
FIG. 8 is an enlarged view of the portion B of FIG. 7;
FIG. 9 is a structural view after concrete was poured in example 1;
fig. 10 is a structural view of the composite slab of example 1 after the aluminum alloy H-section is removed and the extra anchor rods are cut off.
In the figure: the concrete-filled steel plate anchor is characterized in that the anchor is 1, the anchor plate is 11, the screw rod is 12, the aluminum alloy H-shaped steel is 2, the screw rod is 21, the nut is 3, the gasket is 4, the laminated plate is 5, the prefabricated plate is 51, the stress bar is 511, the distribution bar is 512, and the post-cast concrete layer is 52.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in fig. 1 to 10, the novel composite slab fixing device of the present embodiment, which is coupled to a prefabricated slab 51 of a composite slab 5, includes an anchor 1, an aluminum alloy H-shaped steel 2, and a nut 3. Wherein, the anchorage device 1 is embedded in the precast slab 51 in advance and comprises an anchorage plate 11 and a screw 12; the anchor plate 11 is fixedly connected with the precast slab 51, and one end of the screw 12 is connected with the anchor plate 11, and the other end thereof extends upward along the anchor plate 11 to extend out of the precast slab 51. The aluminum alloy H-shaped steel 2 is installed on the screw 12 extending out of the prefabricated plate 51, and the aluminum alloy H-shaped steel 2 is connected with the rod body of the screw 12 through the nut 3, so that the height of the aluminum alloy H-shaped steel 2 relative to the screw 12 is adjustable.
Further, in this embodiment, the anchors 1 are provided in plurality and are arranged at equal intervals along the length direction of the prefabricated plate 51.
Further, in the present embodiment, the precast slab 51 is provided with a stress rib 511 and a distribution rib 512 inside; the stress bars 511 and the distribution bars 512 are distributed in a criss-cross manner in the horizontal direction inside the prefabricated slab 51, and together form the reinforcing mesh of the prefabricated slab 51. The reinforcing mesh is welded and fixed with the anchor plate 11 of the anchorage device 1.
Further, in the present embodiment, the aluminum alloy H-shaped steel 2 is provided with a screw through hole 21; the screw 12 penetrates through the aluminum alloy H-shaped steel 2 through the screw through hole 21 and is matched with the two nuts 3 to realize the relative fixation of the height of the aluminum alloy H-shaped steel 2. The two nuts 3 are respectively positioned at the upper end and the lower end of the aluminum alloy H-shaped steel 2 and are in threaded rotation fit with the screw 12.
Meanwhile, for the stability of the aluminum alloy H-section steel 2, gaskets 4 are further padded between the two nuts 3 and the aluminum alloy H-section steel 2, and between the lower nut 3 and the corresponding prefabricated plate 51.
In addition, regarding the size of the device of the present embodiment and the specific number of the corresponding components:
the size of the anchor plate 11 is 100mmx100mm, and the thickness is 10mm; the two spinning screws 12 are provided, each spinning screw is 250mm long and 20mm in diameter, and a spinning thread is led through.
For a one-way composite slab with the length less than 3m, 4 anchors 1 can be arranged along the length direction at intervals of 1m in width, and the intervals are equal.
The height of the nut 3 is not less than 10mm, and the thickness of the gasket 4 matched with the nut 3 is not less than 3mm.
For the unidirectional laminated slab with the length less than 3m, the section size of the aluminum alloy H-shaped steel 2 is 100mmx100mmx8mmx6mm.
The use method and the principle are as follows:
(1) The corresponding number of anchorage devices 1 with screw rods 12 are pre-embedded in the precast slab 51; after the precast slab 51 is poured and formed, the gasket 4 and the nut 3 are sequentially screwed into the screw 12 and are attached to the slab surface, then the aluminum alloy H-shaped steel 2 is installed through the screw 12, and then the gasket 4 and the nut 3 are sequentially screwed in and are screwed to the upper surface of the aluminum alloy H-shaped steel 2 (as shown in figures 4 and 5); finally, the prefabricated slab 51 is conveyed to a construction site by hoisting the aluminum alloy H-shaped steel 2;
(2) In the installation process of the precast slabs 51 on the construction site, firstly, supports are arranged below the end parts of two sides of the precast slabs 51, and then the precast slabs 51 are placed on the supports; then, adjusting the aluminum alloy H-shaped steel 2 to the corresponding elevation (as shown in fig. 7 and 8) by adjusting the nut 3 and the gasket 4, and detaching the aluminum alloy H-shaped steel 2 after pouring concrete to form a post-cast concrete layer 52 (as shown in fig. 9); finally, the screw 12 exposed on the surface of the post-cast concrete layer 52 is cut off completely to obtain the desired laminated slab 5 (as shown in fig. 10).
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A novel laminated slab fixing device is matched with a prefabricated slab and is characterized by comprising an anchorage device, aluminum alloy H-shaped steel and a nut; the anchorage device is embedded in the precast slab and comprises an anchor slab and a screw rod; the anchor plate is fixedly connected with the precast slab, one end of the screw rod is connected with the anchor plate, and the other end of the screw rod extends upwards along the anchor plate to extend out of the precast slab; the aluminum alloy H-shaped steel is connected with the rod body of the screw rod through two nuts, so that the height of the aluminum alloy H-shaped steel relative to the screw rod is adjustable.
2. A novel superimposed sheet fixing device according to claim 1, wherein the bottom of the superimposed sheet is provided with a reinforcing mesh; and the anchor plate of the anchor is fixed with the reinforcing mesh.
3. The novel superimposed sheet fixing device according to claim 2, wherein the reinforcing mesh comprises a stress rib and a distribution rib; the stress ribs and the distribution ribs are distributed inside the prefabricated slab in a criss-cross mode along the horizontal direction of the prefabricated slab.
4. The novel laminated plate fixing device as claimed in claim 1, wherein the aluminum alloy H-shaped steel is provided with a screw hole; the screw rod penetrates through the aluminum alloy H-shaped steel through the screw rod through hole, and the two nuts are matched to realize the relative fixation of the height of the aluminum alloy H-shaped steel.
5. The novel superimposed sheet fixing device according to claim 1, wherein two nuts are respectively located at upper and lower ends of the aluminum alloy H-shaped steel, and are in threaded rotation engagement with the screw rods.
6. A novel laminated plate fixing device as claimed in claim 5, wherein gaskets are respectively arranged between the nut and the aluminum alloy H-shaped steel and between the nut and the prefabricated plate.
7. A novel composite slab fixing device as claimed in any one of claims 1 to 6, wherein the anchorage means are provided in plurality and at equal intervals along the length of the prefabricated slab.
8. A novel superimposed sheet fixing device according to claim 7, wherein the anchor has an anchor plate size of 100mmx100mm and a thickness of 10mm; the length of a screw rod of the anchor device is 250mm, the diameter of the screw rod is 20mm, and a long screw is arranged.
9. A novel superimposed sheet fixing device as claimed in any one of claims 1 to 6, wherein the height of the nut is not less than 10mm and the thickness of a spacer fitted to the nut is not less than 3mm.
10. A novel laminated plate fixing device as claimed in any one of claims 1 to 6, wherein when the prefabricated plate has a length of less than 3m, the sectional dimension of the aluminum alloy H-shaped steel is 100mmx100mmx8mmx6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220920462.5U CN217601819U (en) | 2022-04-20 | 2022-04-20 | Novel superimposed sheet is fixed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220920462.5U CN217601819U (en) | 2022-04-20 | 2022-04-20 | Novel superimposed sheet is fixed device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217601819U true CN217601819U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220920462.5U Active CN217601819U (en) | 2022-04-20 | 2022-04-20 | Novel superimposed sheet is fixed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217601819U (en) |
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2022
- 2022-04-20 CN CN202220920462.5U patent/CN217601819U/en active Active
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