CN220848242U

CN220848242U - Prefabricated coincide floor of assembled

Info

Publication number: CN220848242U
Application number: CN202322181984.5U
Authority: CN
Inventors: 苏煌钗; 黄庆涵; 林晨辉; 张世顺
Original assignee: CSCEC Strait Construction and Development Co Ltd; CSCEC Strait Xiamen Construction Development Co Ltd
Current assignee: CSCEC Strait Construction and Development Co Ltd; CSCEC Strait Xiamen Construction Development Co Ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-04-26
Anticipated expiration: 2033-08-14

Abstract

The utility model discloses an assembled prefabricated composite floor slab, which comprises a concrete prefabricated slab, wherein a lower reinforcing mesh, a sound insulation layer, an upper reinforcing mesh and a reinforcing truss are arranged in the concrete prefabricated slab from bottom to top, the sound insulation layer is arranged between the lower reinforcing mesh and the upper reinforcing mesh, the bottom of the reinforcing truss is welded and fixed with the upper reinforcing mesh, the top of the reinforcing truss extends to the outside of the concrete prefabricated slab, limiting grooves with openings at the bottoms are formed in four corners of the concrete prefabricated slab, and positioning components are arranged in the limiting grooves. Utilize the double-deck net piece structure that lower part reinforcing bar net piece and upper portion reinforcing bar net piece are constituteed, improve its concrete prefabricated plate's intensity greatly to under the cooperation of puigging and aluminum plate layer, further improve its sound insulation effect and the efficiency of protection.

Description

Prefabricated coincide floor of assembled

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to an assembled prefabricated composite floor slab.

Background

The composite floor slab is an assembled integral floor slab formed by superposing precast concrete thin plates and cast-in-situ reinforced concrete layers. The composite floor slab has the advantages of good integrity, high rigidity, good cracking resistance and the like, the upper surface and the lower surface of the composite floor slab are smooth, the decoration of the finish layer is facilitated, and the composite floor slab is suitable for high-rise buildings and large-bay buildings with high requirements on the overall rigidity.

The Chinese patent with the publication number of CN214785199U discloses an assembled prefabricated composite floor slab, which comprises a concrete prefabricated bottom plate, wherein two opposite sides of the concrete prefabricated bottom plate are respectively provided with angle steels, two vertical outer side surfaces of the angle steels are respectively flush with the lower surface and one side surface of the concrete prefabricated bottom plate, and the concrete prefabricated bottom plate is provided with a through hole penetrating through the angle steels along the vertical direction; the two opposite sides of the concrete prefabricated bottom plate are respectively provided with a plurality of adjusting components, each adjusting component comprises a bolt, a nut and an adjusting plate, each bolt comprises a bolt body and a bolt cap, each bolt cap is positioned above the concrete prefabricated bottom plate, each bolt body penetrates through the corresponding through hole, the nut is in threaded connection with the lower end of each bolt body, and the nut is abutted against the lower surface of each angle steel; the regulating plate is located between bolt cap and the precast concrete bottom plate, and the bolt body wears to establish with the regulating plate to be connected, and regulating plate part is located the outside of precast concrete bottom plate, and the upper surface butt of the beam is supplied to the part that the regulating plate is located the outside of precast concrete bottom plate.

The prefabricated coincide floor of assembled of above-mentioned scheme uses steel bar truss and concrete placement to form, and its structural strength that exists is not high, and the phenomenon of cracking appears on the board surface or inside easily, and then leads to its structural strength lower.

Disclosure of utility model

The utility model provides an assembled prefabricated composite floor slab, which aims to solve the problem of lower structural strength of the existing assembled prefabricated composite floor slab.

In order to solve the technical problems, the preset composite floor slab comprises a concrete precast slab, wherein a lower reinforcing mesh, a sound insulation layer, an upper reinforcing mesh and a reinforcing truss are arranged in the concrete precast slab from bottom to top, the sound insulation layer is arranged between the lower reinforcing mesh and the upper reinforcing mesh, the bottom of the reinforcing truss is welded and fixed with the upper reinforcing mesh, the top of the reinforcing truss extends to the outside of the concrete precast slab, limiting grooves with openings at the bottoms are formed in four corners of the concrete precast slab, and positioning components are arranged in the limiting grooves.

Preferably, the sound insulation layer is a multi-layer structure and comprises two layers of sound insulation damping felts and a core plate layer, wherein the core plate layer is fixedly connected between the two layers of sound insulation damping felts, and two keel frames are fixedly connected at two ends of the short side of the sound insulation layer.

Preferably, the keel frame is of a U-shaped groove structure, and two short sides of the sound insulation layer are fixed in the U-shaped groove.

Preferably, the top surface and the bottom surface of puigging all fixedly connected with aluminum plate layer, the surface on two aluminum plate layers respectively with lower part reinforcing bar net piece and upper portion reinforcing bar net piece welded fastening.

Preferably, the core plate layer is a honeycomb plate structure.

Preferably, the positioning assembly comprises a positioning iron plate and a magnet block, wherein the positioning iron plate can be turned over along the upper end of the positioning iron plate to be received in the limiting groove, and the magnet block is positioned on the inner wall above the limiting groove and is used for adsorbing the positioning iron plate turned over to be received in the limiting groove.

Preferably, the locating component turns down back fixedly connected with stopper, the draw-in groove has been seted up to the position department that the spacing groove corresponds the stopper, the inner wall and the periphery block of stopper of draw-in groove are connected for fixed location iron plate.

Preferably, threaded sleeves are fixedly connected to four corners of the top surface of the concrete precast slab, and lifting lugs are connected to the threaded sleeves in a threaded manner.

Compared with the prior art, the utility model has the following technical effects:

1. The assembled prefabricated composite floor slab provided by the utility model utilizes a double-layer mesh structure formed by combining the upper reinforcing mesh and the lower reinforcing mesh, so that the strength of the concrete prefabricated slab is effectively improved, and the sound insulation effect and the protection efficiency of the assembled prefabricated composite floor slab are further improved under the cooperation of the sound insulation layer and the aluminum plate layer.

2. According to the prefabricated composite floor slab, the movable positioning iron plates are additionally arranged to play a role in positioning, and the positioning iron plates are turned downwards until the limiting blocks are completely clamped into the clamping grooves, so that workers can accurately and quickly perform composite installation on the composite floor slab, the operation is more convenient, and the installation efficiency is greatly improved; during transportation, the positioning iron plate 61 can be turned upwards to be embedded into the limiting groove 11, the positioning iron plate 61 is adsorbed by the magnet block 62, damage to the positioning iron plate 61 in the transportation process is avoided, and transportation of the prefabricated composite floor slab is facilitated.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a sound insulation layer splitting structure according to an embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of the section A of FIG. 1 in section, according to an embodiment of the present utility model;

Fig. 5 is a schematic view of a stopper according to an embodiment of the present utility model.

Reference numerals: 1. a concrete precast slab; 11. a limit groove; 12. a clamping groove; 2. a lower reinforcing mesh; 3. a sound insulation layer; 31. a sound damping felt; 32. a keel frame; 33. a core plate layer; 34. an aluminum plate layer; 4. an upper reinforcing mesh; 5. steel bar truss; 6. a positioning assembly; 61. positioning an iron plate; 62. a magnet block; 63. a limiting block; 7. a threaded sleeve; 8. lifting lugs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in conjunction with specific embodiments of the present utility model.

Please refer to fig. 1 and fig. 2, which are schematic structural diagrams of a prefabricated composite floor slab according to the present embodiment, including a concrete prefabricated slab 1, a lower reinforcing mesh 2, a sound insulation layer 3, an upper reinforcing mesh 4 and a reinforcing truss 5 are disposed inside the concrete prefabricated slab 1 from bottom to top, the sound insulation layer 3 is disposed between the lower reinforcing mesh 2 and the upper reinforcing mesh 4, the bottom of the reinforcing truss 5 is welded and fixed to the upper reinforcing mesh 4, the top extends to the outside of the concrete prefabricated slab 1, limiting grooves 11 with bottom openings are disposed at four corners of the concrete prefabricated slab 1, and positioning assemblies 6 are disposed in the limiting grooves 11.

When using, through the double-deck net piece structure that lower part reinforcing bar net piece 2 and the combination of upper portion reinforcing bar net piece 4 formed, can promote its structural strength to a certain extent, avoid appearing phenomenon such as plate body fracture, simultaneously under the cooperation of puigging 3, can further improve its sound insulation effect and the efficiency of protection of this prefabricated coincide floor, utilize locating component 6 then can make things convenient for the staff to aim at the mounted position fast with this prefabricated coincide floor, play the effect of location for the installation operation is more convenient, improves the efficiency of its installation greatly.

Referring to fig. 3, the sound insulation layer 3 is a multi-layer structure, and includes two layers of sound insulation damping felts 31 and a core layer 33, the core layer 33 is fixedly connected between the two layers of sound insulation damping felts 31, and two keel frames 32 are fixedly connected to two ends of a short side of the sound insulation layer 3. When in use, through the arrangement of the keel frame 32, on one hand, the installation and fixation of the sound insulation damping felt 31 and the core plate layer 33 can be facilitated, on the other hand, the structural strength of the concrete precast slab 1 is further improved, the phenomenon that the slab body is broken and the like can be avoided, and the sound insulation damping effect of the sound insulation damping felt 31 is utilized, so that the sound insulation and noise reduction effects can be realized on the floor slab. The keel frame 32 used in this embodiment is a U-shaped groove structure, and two short sides of the three-layer sound insulation layer 3 composed of two layers of sound insulation damping felt 31 and one layer of core plate layer 33 are fixed in the U-shaped groove.

The top surface and the bottom surface of puigging 3 all fixedly connected with aluminum plate layer 34, the surface of two aluminum plate layers 34 respectively with lower part reinforcing bar net piece 2 and upper portion reinforcing bar net piece 4 welded fastening. The two aluminum plate layers 34 are used for effectively protecting the sound insulation layer 3, meanwhile, the lower reinforcing steel bar net piece 2 and the upper reinforcing steel bar net piece 4 can form an integral structure, the structural strength of the floor slab body is further improved, the floor slab body has stronger compression resistance and deformation resistance, better loading performance is achieved, and phenomena such as slab body fracture and the like in the using process can be prevented.

The core plate layer 33 is in an aluminum honeycomb plate structure, and the inside of the core plate layer 33 is in a honeycomb shape, so that the core plate layer 33 has a certain air porosity and can prevent the propagation of sound waves and the conduction of heat, thereby realizing the effects of sound insulation and heat insulation. The aluminum honeycomb core layer of the core layer 33 has sound absorption performance, can absorb sound waves, reduce noise pollution and realize the sound insulation effect of the prefabricated composite floor slab; and meanwhile, external impact force can be relieved to a certain extent, vibration is reduced and transmitted to the inside of the building structure, and the shockproof effect is realized.

In other embodiments of the present utility model, the hollow portion of the core plate layer 33 of the aluminum honeycomb plate-like structure may be filled with a sound absorbing material such as polyester fiber, acoustic sponge, polyurethane foam, etc. to reduce noise transmission and reflection, provide better sound isolation and sound absorption, and improve the indoor acoustic environment.

As shown in fig. 4, the positioning assembly 6 includes a positioning iron plate 61 and a magnet block 62, wherein the positioning iron plate 61 can be turned over along the upper end thereof to be received in the limiting groove 11, and the magnet block 62 is positioned on the upper inner wall of the limiting groove 11 and is used for adsorbing the positioning iron plate 61 turned over to be received in the limiting groove 11. Through setting up magnet piece 62, can conveniently carry out magnetism to hiding the locating iron plate 61 of accomodating in spacing groove 11 and inhale fixedly in the transportation, avoid causing the damage of locating iron plate 61 in the transportation to the transportation of convenient prefabrication coincide floor.

In addition, as shown in fig. 5, the positioning assembly 6 is fixedly connected with a limiting block 63 at the back of the downward turned part, a clamping groove 12 is formed in the position of the limiting groove 11 corresponding to the limiting block 63, and the inner wall of the clamping groove 12 is in clamping connection with the periphery of the limiting block 63 for fixing the positioning iron plate 61. When in use, the positioning iron plate 61 is turned down, then the limiting block 63 is embedded into the clamping groove 12 by applying force, and the limiting block 63 is connected with the clamping groove 12 in a clamping way, so that the positioning iron plate 61 is fixed to be stably downward. When the prefabricated composite floor slab is subsequently installed, the positioning iron plates 61 can be more conveniently installed at the designated positions.

For convenient hoist and mount, the top surface four corners position of concrete prefabricated plate 1 all fixedly connected with screw sleeve 7, screw sleeve 7 internal thread is connected with lug 8. And utilize threaded sleeve 7, then can be convenient to the installation or dismantle of lug 8, improve the convenience of using.

The principle and the working process of the embodiment are as follows:

Through adding the double-deck net piece structure that has the lower part reinforcing bar net piece 2 that high strength and compressive resistance are good and upper portion reinforcing bar net piece 4 are constituteed in concrete prefabricated plate 1, set up puigging 3 at double-deck net piece structure intermediate level for double-deck net piece structure can play the effect of protection to puigging 3 and whole plate body, can strengthen the structural strength of this prefabricated coincide floor, makes this prefabricated coincide floor have stronger compressive resistance deformation resistance, has better load performance. By arranging the sandwich layer 33 and the sound-proof damping felt 31 of the aluminum honeycomb plate-shaped structure, the prefabricated composite floor slab can have the performances of sound insulation, heat insulation, vibration prevention, sound absorption and the like.

When the laminated floor slab needs to be installed, the positioning iron plate 61 is separated from the magnet block 62, the positioning iron plate 61 is turned downwards, the limiting block 63 is embedded into the corresponding clamping groove 12 by applying force until the limiting block 63 is completely clamped with the corresponding clamping groove 12, then the prefabricated laminated floor slab is quickly and accurately installed to a designated position according to the positioning iron plate 61, the phenomenon that workers continuously adjust the position of the prefabricated laminated floor slab due to the deviation of the position of the prefabricated laminated floor slab in the installation process is avoided, and the installation efficiency of the prefabricated laminated floor slab is greatly improved.

When the laminated floor slab needs to be transported, the positioning iron plate 61 can be turned up to be embedded into the limit groove 11, and the positioning iron plate 61 is adsorbed by the magnet block 62, so that the damage of the positioning iron plate 61 in the transportation process is avoided, and the transportation of the prefabricated laminated floor slab is facilitated.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present utility model.

Claims

1. The utility model provides an assembled prefabricated coincide floor, its characterized in that, includes concrete prefabricated plate (1), inside from bottom to top of concrete prefabricated plate (1) is provided with lower part reinforcing bar net piece (2), puigging (3), upper portion reinforcing bar net piece (4) and steel bar truss (5), puigging (3) set up between lower part reinforcing bar net piece (2) and upper portion reinforcing bar net piece (4), the bottom and the upper portion reinforcing bar net piece (4) welded fastening of steel bar truss (5), the top extends to the outside of concrete prefabricated plate (1), the four corners of concrete prefabricated plate (1) are provided with bottom open-ended spacing groove (11), be provided with locating component (6) in spacing groove (11).

2. An assembled prefabricated composite floor slab according to claim 1, wherein the sound insulation layer (3) is of a multi-layer structure and comprises two layers of sound insulation damping felts (31) and a core plate layer (33), the core plate layer (33) is fixedly connected between the two layers of sound insulation damping felts (31), and two keel frames (32) are fixedly connected to two ends of a short side of the sound insulation layer (3).

3. An assembled prefabricated composite floor according to claim 2, characterized in that the keel frame (32) has a U-shaped channel structure, and that the two short sides of the sound insulation layer (3) are fixed in the U-shaped channel.

4. The prefabricated composite floor slab according to claim 2, wherein the top surface and the bottom surface of the sound insulation layer (3) are fixedly connected with aluminum plate layers (34), and the outer surfaces of the two aluminum plate layers (34) are welded and fixed with the lower reinforcing steel mesh (2) and the upper reinforcing steel mesh (4) respectively.

5. A prefabricated composite floor slab according to claim 2, characterized in that the core layer (33) is a honeycomb panel-like structure.

6. An assembled prefabricated composite floor slab according to claim 1, wherein the positioning assembly (6) comprises a positioning iron plate (61) and a magnet block (62), the positioning iron plate (61) can be turned over along the upper end of the positioning iron plate to be received in the limiting groove (11), and the magnet block (62) is positioned on the upper inner wall of the limiting groove (11) and is used for adsorbing the positioning iron plate (61) turned over to be received in the limiting groove (11).

7. The prefabricated composite floor slab according to claim 6, wherein the positioning assembly (6) is fixedly connected with a limiting block (63) on the back side after being turned down, a clamping groove (12) is formed in the position, corresponding to the limiting block (63), of the limiting groove (11), and the inner wall of the clamping groove (12) is clamped and connected with the periphery of the limiting block (63) to fix the positioning iron plate (61).

8. An assembled prefabricated composite floor slab according to claim 1, wherein threaded sleeves (7) are fixedly connected to four corners of the top surface of the concrete prefabricated slab (1), and lifting lugs (8) are connected to the threaded sleeves (7) in a threaded manner.