CN213329610U

CN213329610U - Prefabricated superimposed sheet

Info

Publication number: CN213329610U
Application number: CN202021601188.2U
Authority: CN
Inventors: 李海鹏; 王献娟; 李克明
Original assignee: Wenzhou Zhengli Construction Technology Co ltd
Current assignee: Wenzhou Zhengli Construction Technology Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-06-01
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a prefabricated superimposed sheet in building field, including prefabricated bottom plate, the fixed a plurality of trusses that are equipped with in top of prefabricated bottom plate, a plurality of trusses comprise a plurality of atress muscle, fixed muscle, splice bar and two brace rod, it is connected with fixed muscle to alternate between a plurality of atress muscle, the top of fixed muscle and the bottom welding of a plurality of atress muscle that correspond, the equal fixedly connected with splice bar in middle part of a plurality of atress muscle, the equal welding of both sides of a plurality of atress muscle has the brace bar, the bottom of every brace bar all with the top fixed connection of prefabricated bottom plate, the equal fixedly connected with mount in both ends on prefabricated bottom plate top, the beneficial effects of the utility model are that: thereby increasing the stability of the truss and improving the structural strength of the prefabricated bottom plate; the setting through adjacent mount is convenient for carry out welding reinforcement work to the gap of adjacent superimposed sheet, makes to possess the wholeness between the prefabricated superimposed sheet.

Description

Prefabricated superimposed sheet

Technical Field

The utility model relates to a building field specifically is a prefabricated superimposed sheet.

Background

The laminated slab is an assembled integral floor slab formed by laminating prefabricated slabs and cast-in-place reinforced concrete layers. The laminated floor slab has good integrity, the upper surface and the lower surface of the slab are smooth, the decoration of a finish coat is convenient, and the laminated floor slab is suitable for high-rise buildings and large-bay buildings with higher requirement on integral rigidity; the span of the laminated floor slab is generally 4-6m, and the maximum span can reach 9 m; the laminated slab has good integrity and continuity, is favorable for enhancing the seismic performance of buildings, is firm in connection between the laminated slab and a shear wall or a frame beam in a high-rise building, has a simple structure, and is far superior to the conventional hollow slab.

The truss structure of prefabricated superimposed sheet is single among the prior art, does not possess the support fixed knot to its truss, and the steadiness of truss is not good, leads to superimposed sheet's structural strength to lack, and then need carry out the piece between the adjacent prefabricated superimposed sheet in the engineering of construction and connect, but current prefabricated superimposed sheet does not possess the structure of piece, is not convenient for carry out later stage welding reinforcing bar work between the gap.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated superimposed sheet to the steadiness that proposes the truss in solving above-mentioned background art is not good, leads to superimposed sheet's structural strength to be short of, and is not convenient for carry out the problem of later stage welding reinforcing bar work between adjacent superimposed sheet gap.

In order to achieve the above object, the utility model provides a following technical scheme: including prefabricated bottom plate, the fixed a plurality of trusss that are equipped with in top of prefabricated bottom plate, it is a plurality of the truss comprises a plurality of atress muscle, fixed muscle, splice bar and two brace rods, and is a plurality of alternate between the atress muscle and be connected with fixed muscle, the top of fixed muscle is welded with the bottom of a plurality of atress muscle that correspond, and is a plurality of the equal fixedly connected with splice bar in middle part of atress muscle is a plurality of the both sides of atress muscle are all welded and are had the brace rod, every the bottom of brace rod all with prefabricated bottom plate's top fixed connection, the equal fixedly connected with mount in both ends on prefabricated bottom plate top.

As a further aspect of the present invention: two the mount is the rectangular frame structure, a plurality of equidistant distribution's recess is seted up on the top of prefabricated bottom plate, increases the frictional force on prefabricated bottom plate top.

As a further aspect of the present invention: the inside interlude of prefabricated bottom plate is connected with a plurality of longitudinal reinforcement, the fixed frame reinforcing bar that is equipped with in inside of prefabricated bottom plate is a plurality of the both sides of longitudinal reinforcement alternate with the both ends of frame reinforcing bar respectively and are connected, increase the inside structural strength of prefabricated bottom plate.

As a further aspect of the present invention: the inside welding of frame reinforcing bar has a plurality of horizontal reinforcing bars, and is a plurality of horizontal reinforcing bar all is connected with a plurality of longitudinal reinforcement cross, increases the compactness of being connected between a plurality of horizontal reinforcing bars and a plurality of longitudinal reinforcement to improve superimposed sheet's crushing resistance and structure steadiness.

As a further aspect of the present invention: it is a plurality of all fixed the filling layer that gives sound insulation that is equipped with in the clearance between horizontal reinforcing bar and a plurality of longitudinal reinforcement to improve superimposed sheet's syllable-dividing effect.

As a further aspect of the present invention: the inside top of prefabricated bottom plate is fixed and is equipped with a plurality of convex plates, the thickness of filling layer gives sound insulation is less than the thickness of convex plate, increases the protectiveness to the filling layer gives sound insulation, avoids the filling layer that gives sound insulation to be crushed.

As a further aspect of the present invention: the both sides on prefabricated bottom plate top are all fixed and are equipped with two supports, every the connecting rod, every have all been welded at the both ends of support the one end of connecting rod respectively with corresponding brace rod fixed connection, be convenient for lift by crane prefabricated superimposed sheet through a plurality of supports, prevent to lift by crane through the truss and lead to prefabricated superimposed sheet fracture, increase the structure steadiness of support through the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, constitute by a plurality of atress muscle, fixed muscle, splice bar and two brace rods through a plurality of trusses, it is connected with fixed muscle to alternate between a plurality of atress muscle, the equal fixedly connected with splice bar in middle part of a plurality of atress muscle, the brace rod has all been welded in the both sides of a plurality of atress muscle, the steadiness of a plurality of atress muscle is increased through two brace rods, the structural strength of a plurality of atress muscle is increased through the splice bar to increase the steadiness of truss and the structural strength who improves prefabricated bottom plate.

2. The utility model discloses in, through the equal fixedly connected with mount in both ends on prefabricated bottom plate top, two mounts are the rectangular frame structure, when then need carry out the piece joint in the engineering of construction between the adjacent prefabricated superimposed sheet and connect, the setting through adjacent mount is convenient for weld reinforcement work to the gap of adjacent superimposed sheet to increase adjacent superimposed sheet and connect compactness, make and possess the wholeness between the prefabricated superimposed sheet.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is an enlarged view of the portion B of FIG. 1;

fig. 4 is the inside schematic structure diagram of the middle prefabricated bottom plate of the utility model.

In the figure: 1. prefabricating a bottom plate; 2. a truss; 3. a stress rib; 4. fixing the ribs; 5. connecting ribs; 6. supporting ribs; 7. a fixed mount; 8. a groove; 9. longitudinal reinforcing steel bars; 10. frame reinforcing steel bars; 11. transverse reinforcing steel bars; 12. a convex plate; 13. a sound insulation filling layer; 14. a support; 15. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a prefabricated composite slab includes a prefabricated bottom plate 1, a plurality of trusses 2 are fixedly disposed on a top end of the prefabricated bottom plate 1, the trusses 2 are composed of a plurality of stress ribs 3, a fixing rib 4, a connecting rib 5 and two support ribs 6, the fixing rib 4 is inserted and connected between the stress ribs 3, a top end of the fixing rib 4 is welded to a bottom end of the corresponding stress rib 3, the connecting rib 5 is fixedly connected to a middle portion of the stress ribs 3, the support ribs 6 are welded to two sides of the stress ribs 3, a bottom end of each support rib 6 is fixedly connected to a top end of the prefabricated bottom plate 1, so as to increase stability of the trusses 2 and improve structural strength of the prefabricated composite slab, fixing frames 7 are fixedly connected to two ends of the top end of the prefabricated bottom plate 1, and facilitate welding of steel bars in a gap between adjacent composite slabs, thereby increasing the connection tightness of the adjacent laminated slabs and ensuring the integrity of the prefabricated laminated slabs.

The two fixing frames 7 are of rectangular frame structures, a plurality of grooves 8 distributed at equal intervals are formed in the top end of the prefabricated bottom plate 1, and friction force of the top end of the prefabricated bottom plate 1 is increased; a plurality of longitudinal steel bars 9 are inserted and connected inside the prefabricated bottom plate 1, framework steel bars 10 are fixedly arranged inside the prefabricated bottom plate 1, and two sides of the longitudinal steel bars 9 are respectively inserted and connected with two ends of the framework steel bars 10, so that the structural strength inside the prefabricated bottom plate 1 is improved; a plurality of transverse steel bars 11 are welded inside the framework steel bars 10, the transverse steel bars 11 are connected with the longitudinal steel bars 9 in a cross manner, and the connection tightness between the transverse steel bars 11 and the longitudinal steel bars 9 is increased, so that the compression resistance and the structural stability of the laminated slab are improved; sound insulation filling layers 13 are fixedly arranged in gaps between the transverse reinforcing steel bars 11 and the longitudinal reinforcing steel bars 9, so that the sound insulation effect of the laminated slab is improved; the top end inside the prefabricated bottom plate 1 is fixedly provided with a plurality of convex plates 12, the thickness of the sound insulation filling layer 13 is smaller than that of the convex plates 12, the protection performance of the sound insulation filling layer 13 is improved, and the sound insulation filling layer 13 is prevented from being crushed; the both sides on 1 top of prefabricated bottom plate are all fixed and are equipped with two supports 14, and connecting rod 15 has all been welded at the both ends of every support 14, and the one end of every connecting rod 15 respectively with the 6 fixed connection of brace rod that correspond, be convenient for lift by crane prefabricated bottom plate 1 through a plurality of supports 14, prevent to lift by crane through truss 2 and lead to prefabricated bottom plate 1 to split, increase the structure steadiness of support 14 through connecting rod 15.

The utility model discloses a theory of operation is: when the prefabricated bottom plate 1 is lifted, firstly, a lifting chain of lifting equipment is connected through a plurality of supports 14, so that the prefabricated bottom plate 1 can be conveniently lifted to a pouring equipment, because the two ends of each support 14 are respectively welded with a connecting rod 15, one end of each connecting rod 15 is respectively fixedly connected with a corresponding supporting rib 6, the prefabricated bottom plate 1 can be conveniently lifted through the plurality of supports 14, the prefabricated bottom plate 1 is prevented from cracking due to the lifting through a truss 2, then a plurality of steel bars are built through the truss 2, because the two supporting ribs 6 increase the stability of a plurality of stress ribs 3, the structural strength of the plurality of stress ribs 3 is increased through the connecting ribs 5, so that the stability of the truss 2 is increased, then the pouring equipment pours the top end of the prefabricated bottom plate 1, so that a pouring laminated layer is formed at the top end of the prefabricated bottom plate 1, a prefabricated laminated slab is formed, and then the prefabricated laminated slab is transported to an installation position in a building, gapped between the adjacent prefabricated superimposed sheet, because the equal fixedly connected with mount 7 in both ends on 1 top of prefabricated bottom plate is convenient for carry out welding reinforcement work to the gap of adjacent superimposed sheet to increase the compactness of adjacent superimposed sheet connection, possess the wholeness between the messenger's prefabricated superimposed sheet.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A prefabricated composite slab, comprising a prefabricated base plate (1), characterized in that: the fixed a plurality of trusses (2) that are equipped with in top of prefabricated bottom plate (1), it is a plurality of truss (2) constitute by a plurality of atress muscle (3), fixed muscle (4), splice bar (5) and two brace rod (6), it is a plurality of alternate between atress muscle (3) and be connected with fixed muscle (4), the top of fixed muscle (4) and the bottom welding of a plurality of atress muscle (3) that correspond, it is a plurality of the equal fixedly connected with splice bar (5) in middle part of atress muscle (3), it is a plurality of brace rod (6), every are all welded to the both sides of atress muscle (3) the bottom of brace rod (6) all with the top fixed connection of prefabricated bottom plate (1), the equal fixedly connected with mount (7) in both ends on prefabricated bottom plate (1) top.

2. A prefabricated composite panel according to claim 1 wherein: two the mount (7) are rectangular frame structure, a plurality of equidistant distribution's recess (8) are seted up to the top of prefabricated bottom plate (1).

3. A prefabricated composite panel according to claim 1 wherein: the inside interlude of prefabricated bottom plate (1) is connected with a plurality of longitudinal reinforcement (9), the inside fixed frame reinforcing bar (10) that is equipped with of prefabricated bottom plate (1), it is a plurality of the both sides of longitudinal reinforcement (9) are connected with the both ends interlude of frame reinforcing bar (10) respectively.

4. A prefabricated composite panel according to claim 3 wherein: the inside welding of frame reinforcing bar (10) has a plurality of horizontal reinforcing bar (11), and is a plurality of horizontal reinforcing bar (11) all are connected with a plurality of vertical reinforcing bar (9) cross.

5. A prefabricated composite panel according to claim 4 wherein: and sound insulation filling layers (13) are fixedly arranged in gaps between the transverse reinforcing steel bars (11) and the longitudinal reinforcing steel bars (9).

6. A prefabricated composite panel according to claim 5 wherein: the prefabricated bottom plate is characterized in that a plurality of convex plates (12) are fixedly arranged at the top end inside the prefabricated bottom plate (1), and the thickness of the sound insulation filling layer (13) is smaller than that of the convex plates (12).

7. A prefabricated composite panel according to claim 1 wherein: two supports (14) are fixedly arranged on two sides of the top end of the prefabricated bottom plate (1), connecting rods (15) are welded at two ends of each support (14), and one end of each connecting rod (15) is fixedly connected with the corresponding support rib (6) respectively.