CN215716426U

CN215716426U - Bottom template and cement floor support plate

Info

Publication number: CN215716426U
Application number: CN202121263136.3U
Authority: CN
Inventors: 李世捷; 刘彬; 商丽华; 王国杰; 陈刚
Original assignee: Jinan Huaqiang New Building Material Co ltd
Current assignee: Jinan Huaqiang New Building Material Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-01
Anticipated expiration: 2031-06-07

Abstract

The utility model provides a bottom template and a cement floor bearing plate, wherein the bottom template comprises a bottom template body, the whole bottom template body is provided with an embedded steel plate or a plurality of embedded steel plates are locally arranged, and the upper surface of the embedded steel plate is used as a welding base plane; the lower surface of the embedded steel plate is fixed inside the bottom template body; the cement floor deck comprises a bottom template; the steel bar truss is connected with a steel bar net piece; the steel bar truss and the steel bar net piece are welded with the embedded steel plate as a whole. The device adopts a welding connection process, the bottom template body is provided with the embedded steel plate, the production is more convenient, a punching production process is not required to be cancelled by adopting a bolt or screw connection mode, the production efficiency is high, and the performance is reliable; the reinforcing mesh can overcome the defect of difficult on-site reinforcement penetration, manual transverse reinforcement penetration is not needed, the problem of difficult on-site equipment pipeline construction is solved, the labor intensity is reduced, and the construction cost is reduced.

Description

Bottom template and cement floor support plate

Technical Field

The utility model belongs to the technical field of cement floor bearing plates, and particularly relates to a bottom template and a cement floor bearing plate.

Background

In the building field, cement floor carrier plate structure is more and more extensively used, and the cement floor carrier plate that discloses among the prior art still has following problem in the use: 1. the combined connection of the cement floor bearing plates only adopts a bolt or screw connection mode; 2. the bolt or screw connection mode has high requirement on production precision, so that the production equipment has high cost and low efficiency; 3. the steel bar trusses are large in number and are fixed by bolts or screws, so that a plurality of mounting holes are required to be formed in the bottom plate and then connected by the bolts or screws, time and labor are wasted, the production efficiency is low, and the productivity is not increased; 4. by adopting bolts or screws, the problem of leakage and corrosion of metal parts generally affects the engineering quality and the living comfort; 5. the steel bar trusses are large in quantity, large in density and large in steel consumption, a large number of steel bar penetrating constructions need to be carried out on site, errors are large compared with steel bar meshes produced by machinery, quality is poor, pipeline construction of site equipment is difficult, labor cost is increased, and construction period is prolonged; 6. the floor support plate steel bar truss participates in stress, the types and types of the truss are various, the production is troublesome, the limitation of design is large, and the labeling batch production is difficult to realize; 7. at present, most cement floor support plates are connected by plastic connecting pieces, so that the fireproof performance is poor, the bottom plate and the main body are peeled off due to the loss of the connecting function at high temperature, and the potential safety hazard is great; 8. when the bolt or screw connection mode is produced, a production process that the bottom template is arranged below the upper truss steel bar needs to be adopted, and the components need to be turned over in the later period, so that the process equipment is large, clumsy, high in manufacturing cost, high in production cost and low in production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, a bottom template and a cement floor support plate are provided.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the technical scheme provides a bottom template which comprises a bottom template body, wherein the bottom template body is provided with an embedded steel plate, and the upper surface of the embedded steel plate is used as a welding base plane; the lower surface of the embedded steel plate is internally fixed inside the bottom template body.

Preferably, the upper surface of the embedded steel plate is flush with the upper surface of the bottom template body.

Preferably, the bottom template body is made of a cement fiberboard, a calcium silicate board, an explosion-proof board or a cement pressure board.

Preferably, the embedded steel plates are rectangular blocks and are distributed on the bottom template body in an array manner.

Preferably, the embedded steel plates are long and are arranged along the bottom template body at intervals in the transverse direction or the longitudinal direction.

The utility model also provides a cement floor support plate which comprises the bottom template; the steel bar truss comprises a group of upper chord steel bars and two groups of lower chord steel bars; the upper chord steel bars and the lower chord steel bars are welded into a whole through wave-shaped web member steel bars to form a three-dimensional structure truss with triangular end surfaces; the steel bar truss is connected with a steel bar net sheet; the steel bar truss and the steel bar net piece are welded with the embedded steel plate as a whole.

Preferably, the trough of the web member reinforcing steel bar is further provided with a bending part welded with the embedded steel plate.

Preferably, the reinforcing mesh is formed by welding longitudinal reinforcing steel bars and transverse reinforcing steel bars; the end parts of the longitudinal steel bars and the transverse steel bars extend out of the bottom formwork body and are arranged in an exposed shape.

Preferably, both ends of the transverse steel bar of the steel bar mesh are in a flat head shape.

Preferably, both ends of the transverse steel bar of the steel bar mesh are provided with hooks.

Compared with the prior art, the utility model has the following advantages:

1. the device adopts a welding connection process, the bottom template body is locally or integrally connected with the embedded steel plate, the upper surface of the embedded steel plate is used as a welding base plane for welding the steel bar truss and the steel bar net piece, the production is more convenient, a connection mode of bolts or screws is not adopted, welding connection equipment is simple, the steel bar truss and the steel bar net piece are integrally welded with the bottom template in the front side, a plate turning process is not needed in production, and the production efficiency is high; the product has good fireproof performance and reliable connection performance; the number of the trusses is small, the number of the trusses is reduced by more than 60%, the trusses do not participate in stress, the adopted models are single, the floor bearing plates are provided with the steel bar net pieces, the steel bar net pieces can solve the defect that on-site steel bar penetrating is difficult, manual transverse steel bar penetrating is not needed, the problem that on-site equipment pipeline construction is difficult is solved, the labor intensity is reduced, and the construction cost is reduced; the reinforcing mesh adopts machining, and the size precision is high, so that the engineering quality can be improved.

2. The bottom template adopts a cement fiber board or a calcium silicate board or an explosion-proof board or a cement pressure board with an embedded steel plate, and the cement pressure board or the calcium silicate board or the explosion-proof board or the cement fiber board is an environment-friendly and fire-resistant decorative board with certain strength and corrosion resistance, so that the bottom template is suitable for all building structures, the lower surface of the embedded steel plate is internally and fixedly arranged in the bottom template body, the quality hidden trouble of corrosion caused by exposure of metal parts is avoided, and bottom surface plastering and secondary decoration treatment are not needed.

3. The steel bar truss has two structural forms, wherein one web member steel bar is in a continuous wave shape; in addition, the web member steel bar in the other structural form is also provided with a bent part at the wave trough, and the bent part is used for increasing the welding area and is convenient to be matched with a flat-plate-shaped embedded steel plate for welding; in addition, the reinforcing mesh has two structural forms, namely a hook structural form and a hook-free structural form (namely a flat head shape), wherein the structural form with the hook can increase the anchoring force and is convenient to construct.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a front view of the connection relationship between the steel bar truss and the bottom formwork.

Fig. 3 is a schematic structural view of one embodiment of the reinforcing mesh in a side view direction.

Fig. 4 is a schematic structural view of another embodiment of the reinforcing mesh in a side view direction.

Fig. 5 is a schematic view of a first structure of the embedded steel plate.

Fig. 6 is a schematic view of a second structure of the embedded steel plate.

Fig. 7 is a schematic view of a third structure of the embedded steel plate.

Fig. 8 is a perspective view of one of the structural forms of the embedded steel plate.

Fig. 9 is a flow chart of a method of fabrication.

Description of reference numerals:

1, a bottom template body; 2, pre-burying a steel plate; 3, steel bar trusses; 31, winding steel bars; 32 lower chord steel bars; 33 web member reinforcing steel bars; 301 a bent portion; 4, reinforcing steel bar meshes; 41 hooking.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Example one

As shown in fig. 1 to 4, the present embodiment provides a bottom form, which includes a bottom form body 1, where the bottom form body 1 has an embedded steel plate 2 as a whole or has a plurality of embedded steel plates 2 locally, and an upper surface of the embedded steel plate 2 is exposed to the outside and used as a welding base; the lower surface of the embedded steel plate 2 is internally fixed in the bottom template body 1; the upper surface of the embedded steel plate 2 can be higher than or lower than the upper surface of the bottom template body 1, and can be parallel and level, preferably in a parallel and level mode.

As shown in fig. 5-8, the pre-buried steel plate includes, but is not limited to, a bar-shaped, rectangular block-shaped or whole plate structure; the bottom template body 1 is integrally provided with an embedded steel plate 2, and the embedded steel plate 2 is of an integral plate structure; when the embedded steel plates 2 are rectangular blocks, the embedded steel plates are distributed on the bottom template body 1 in an array manner; when the embedded steel plate 2 is in a long strip shape, the embedded steel plate is transversely or longitudinally arranged along the bottom template body 1 at intervals.

The bottom template adopts a cement fiber board or a calcium silicate board or an explosion-proof board or a cement pressure board with an embedded steel plate, and the cement pressure board or the calcium silicate board or the explosion-proof board or the cement fiber board is an environment-friendly and fire-resistant decorative board with certain strength and corrosion resistance, so that the bottom template is suitable for all building structures, and the lower surface of the embedded steel plate 2 is internally fixed inside the bottom template body 1 without bottom surface plastering and secondary decoration treatment.

Example two

With continued reference to fig. 1-8, the present embodiment provides a concrete floor deck comprising the above-described bottom form; the steel bar truss structure further comprises a plurality of groups of steel bar trusses 3 which are longitudinally arranged, wherein each steel bar truss 3 comprises a group of upper chord steel bars 31 and two groups of lower chord steel bars 32; the upper chord steel bars 31 and the lower chord steel bars 32 are welded into a whole through wave-shaped web member steel bars 33 to form a three-dimensional truss with triangular end faces; the steel bar truss 3 is connected with a steel bar net 4; the steel bar truss 3 and the steel bar net piece 4 are welded with the embedded steel plate 2 as a whole.

The reinforcing mesh 4 is formed by welding longitudinal reinforcing steel bars and transverse reinforcing steel bars; the ends of the longitudinal steel bars and the transverse steel bars extend out of the bottom template body 1 and are arranged in an exposed shape. Two structural forms are arranged at two ends of the transverse steel bar of the steel bar mesh 4, one structural form is a common flat head shape, and the other structural form is a hook shape, namely a hook 41 is arranged, so that the anchoring force can be increased.

The steel bar truss 3 has two structural forms, wherein the web member steel bars 33 of one of the two structural forms are in a continuous wave shape; in addition, the web member reinforcing steel bar 33 in another structural form is further provided with a bending part 301 at the trough, and the trough of the web member reinforcing steel bar 33 is further provided with the bending part 301 for welding with the embedded steel plate 2. The bending part 301 is used for increasing the welding area, and is convenient to be used in cooperation with the flat-plate-shaped embedded steel plate 2 in a welding mode.

As shown in fig. 9, the method for manufacturing the floor deck includes the following steps:

step one, according to design requirements, carrying out steel bar mesh forming processing through mesh welding equipment, and selecting a steel bar truss with a proper length according to design dimensions;

assembling the steel bar mesh and the steel bar truss on a production line, then performing welding construction through professional automatic welding equipment or manpower, and welding the steel bar mesh and the steel bar truss to form a steel bar framework;

and step three, assembling the bottom template and the steel reinforcement framework on a production line, then performing welding construction through professional automatic welding equipment or manpower, and welding and fixing the steel reinforcement framework and the embedded steel plate to form a finished component.

According to the device, the welding connection process is adopted, the embedded steel plate is locally or integrally connected to the bottom template body, the upper surface of the embedded steel plate serves as a welding base plane for welding the steel bar truss and the steel bar net piece, the production is more convenient, the punching process is omitted in a connection mode of bolts or screws, the welding connection equipment is simple, the steel bar truss and the steel bar net piece serve as a whole and are welded with the bottom template in the front side, the plate turning process is not needed in production, and the production efficiency is high; the product has good fireproof performance and reliable connection performance; the number of the trusses is small, the number of the trusses is reduced by more than 60%, the trusses do not participate in stress, the adopted models are single, the floor bearing plates are provided with the steel bar net pieces, the steel bar net pieces can solve the defect that on-site steel bar penetrating is difficult, manual transverse steel bar penetrating is not needed, the problem that on-site equipment pipeline construction is difficult is solved, the labor intensity is reduced, and the construction cost is reduced; the reinforcing mesh adopts machining, and the size precision is high, so that the engineering quality can be improved.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The cement floor support plate is characterized by comprising a bottom template, wherein the bottom template comprises a bottom template body, an embedded steel plate is arranged on the bottom template body, and the upper surface of the embedded steel plate is used as a welding base plane; the lower surface of the embedded steel plate is internally fixed in the bottom template body; the steel bar truss comprises a group of upper chord steel bars and two groups of lower chord steel bars; the upper chord steel bars and the lower chord steel bars are welded into a whole through wave-shaped web member steel bars to form a three-dimensional structure truss with triangular end surfaces; the steel bar truss is connected with a steel bar net sheet; the steel bar truss and the steel bar net piece are welded with the embedded steel plate as a whole.

2. The cement floor deck according to claim 1, wherein a bending part for welding with the embedded steel plate is further provided at a trough of the web member reinforcing steel.

3. The cement floor deck according to claim 1, wherein the mesh of reinforcing bars is formed by welding longitudinal reinforcing bars and transverse reinforcing bars; the end parts of the longitudinal steel bars and the transverse steel bars extend out of the bottom formwork body and are arranged in an exposed shape.

4. The cement floor deck according to claim 1, wherein both ends of the transversal reinforcement of said mesh of reinforcement are flat-headed.

5. The concrete floor deck according to claim 1, wherein hooks are provided at both ends of the transverse reinforcing bars of the mesh of reinforcing bars.

6. The cement floor deck as claimed in claim 1, wherein the upper surface of the pre-buried steel plate is flush with the upper surface of the bottom form body.

7. The cement floor deck according to claim 1, wherein the bottom form body is made of cement fiberboard, calcium silicate board, explosion-proof board or cement pressure board.

8. The cement floor support plate according to claim 1, wherein the embedded steel plates are rectangular blocks and distributed on the bottom template body in an array manner.

9. The concrete floor deck according to claim 1, wherein said embedded steel plates are elongated and spaced apart from each other in the transverse or longitudinal direction of said bottom formwork body.