CN220848252U

CN220848252U - Precast concrete composite floor slab

Info

Publication number: CN220848252U
Application number: CN202322555122.4U
Authority: CN
Inventors: 刘文斌; 王晶; 王健
Original assignee: Zhongxin Tianjin Assembly Construction Co ltd
Current assignee: Zhongxin Tianjin Assembly Construction Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-04-26
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses a precast concrete composite floor slab, and relates to the technical field of building construction. The top of floor body left side is provided with short flange, the bottom on floor body right side is provided with long flange, form the recess between short flange and the floor body, T shape connecting plate has been placed to the inside of recess, the both ends of T shape connecting plate are located the top of floor body respectively, threaded connection has fixing bolt between the both ends of T shape connecting plate and the floor body. The design through long flange and short flange makes the crane put down the back convenience workman put with the floor, has the recess between this short flange and the floor body after the concatenation to the bottom embedding with T shape connecting plate is convenient, and the both ends of T shape connecting plate are located two adjacent floor tops respectively this moment after the embedding, and rethread fixing bolt passes the pre-buried thread bush threaded connection at T shape connecting plate and floor body top, thereby is in the same place two floor body fixed connection.

Description

Precast concrete composite floor slab

Technical Field

The utility model relates to the technical field of building construction, in particular to a precast concrete composite floor slab.

Background

In the building process, precast concrete composite floor slabs are needed, and the composite floor slabs are assembled integral floor slabs formed by superposing precast slabs and cast-in-situ reinforced concrete layers.

The existing precast concrete composite floor slabs are spliced in a splicing mode mostly, because the crane is used for grounding the floor slabs from top to bottom, the side splicing mode also requires workers to align holes to push the protrusions of the floor slabs into grooves, so that the labor intensity of the workers is excessively high, and the working efficiency is reduced.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the precast concrete composite floor slab, and solves the problems that a crane is used for grounding the floor slab from top to bottom, a side splicing mode is adopted, workers are required to align holes to push protrusions of the floor slab into grooves, the labor intensity of the workers is excessively high, and the working efficiency is reduced.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: precast concrete coincide floor, including the floor body, the left top of floor body is provided with short flange, the bottom on floor body right side is provided with long flange, the bottom of short flange and the top contact of long flange, form the recess between short flange and the floor body, T shape connecting plate has been placed to the inside of recess, the both ends of T shape connecting plate are located the top of floor body respectively, threaded connection has fixing bolt between the both ends of T shape connecting plate and the floor body.

Preferably, both ends at the top of the floor slab body are provided with embedded thread sleeves, and the fixing bolts penetrate through the T-shaped connecting plates to be in threaded connection with the thread sleeves.

Preferably, a plurality of longitudinal steel bars penetrate through the floor body at intervals.

Preferably, a plurality of transverse truss beams are arranged on the top of the floor slab body.

Preferably, lifting holes are formed in the front side and the rear side of the top of the floor body, and lifting rings are connected to the inner walls of the lifting holes.

Preferably, one side of the long convex plate is contacted with the bottom of the left side of the floor slab body, and the short convex plate is positioned above the long convex plate.

(III) beneficial effects

The utility model provides a precast concrete composite floor slab. The beneficial effects are as follows:

This make the crane put down the back with the floor through the design of long flange and short flange make things convenient for the workman to save physical power, the concatenation is fast, has improved work efficiency, has had the recess between this short flange after the concatenation and the floor body, thereby conveniently imbeds the bottom of T shape connecting plate, and the both ends of T shape connecting plate are located two adjacent floor tops respectively after the embedding this moment, and rethread fixing bolt passes the pre-buried thread bush threaded connection at T shape connecting plate and floor body top, thereby is in the same place two floor body fixed connection.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a groove structure according to the present utility model;

Fig. 3 is a schematic view of a lifting hole structure according to the present utility model.

In the figure: 1. a floor body; 2. short convex plates; 3. a long convex plate; 4. a groove; 5. a T-shaped connecting plate; 6. a fixing bolt; 7. a thread sleeve; 8. longitudinal steel bars; 9. transverse truss beams; 10. lifting holes; 11. and lifting the lifting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: precast concrete coincide floor, including floor body 1, the top of floor body 1 left side is provided with short flange 2, the bottom on floor body 1 right side is provided with long flange 3, the bottom of short flange 2 and the top contact of long flange 3, form recess 4 between short flange 2 and the floor body 1, T shape connecting plate 5 has been placed to the inside of recess 4, the both ends of T shape connecting plate 5 are located the top of floor body 1 respectively, threaded connection has fixing bolt 6 between the both ends of T shape connecting plate 5 and the floor body 1. This make the crane put down back convenience workman with floor body 1 through long flange 3 and the design of short flange 2 put to save physical power, the concatenation is fast, has improved work efficiency, has had recess 4 between this short flange 2 and the floor body 1 after the concatenation, thereby conveniently imbeds the bottom of T shape connecting plate 5, and the both ends of T shape connecting plate 5 are located two piece adjacent floor body 1 tops respectively after the embedding this moment, and rethread fixing bolt 6 passes the pre-buried thread bush 7 threaded connection at T shape connecting plate 5 and floor body 1 top, thereby is in the same place two floor body 1 fixed connection.

Referring to fig. 1-3, the present utility model provides a technical solution: both ends at the top of the floor slab body 1 are provided with pre-buried thread sleeves 7, and the fixing bolts 6 penetrate through the T-shaped connecting plates 5 and are in threaded connection with the thread sleeves 7. The two spliced floor slab bodies 1 are fixed under the action of the embedded thread sleeve 7 and the fixing bolt 6.

Referring to fig. 1-3, the present utility model provides a technical solution: a plurality of longitudinal steel bars 8 penetrate through the floor slab body 1 at intervals. The bearing capacity is improved through the longitudinal steel bars 8, the longitudinal steel bars 8 serve as the framework of the floor slab body 1, load can be shared, enough strength is provided, and the floor slab body 1 can bear the weight of personnel, furniture, equipment and the like and transmit the weight to a supporting structure.

Referring to fig. 1-3, the present utility model provides a technical solution: the top of the floor body 1 is provided with a plurality of transverse truss beams 9. The transverse truss beam 9 can effectively prevent the cracking and deformation of the floor slab body 1 through the extensibility, and the stability and durability of the whole structure are improved.

Referring to fig. 1-3, the present utility model provides a technical solution: lifting holes 10 are formed in the front side and the rear side of the top of the floor slab body 1, and lifting rings 11 are connected to the inner walls of the lifting holes 10. The floor slab body 1 can be lifted and transported by a crane through the lifting ring 11 and can be connected with a safety rope on a worker, so that the safety of the worker is ensured.

Referring to fig. 1-3, the present utility model provides a technical solution: one side of the long convex plate 3 is contacted with the bottom of the left side of the floor slab body 1, and the short convex plate 2 is positioned above the long convex plate 3. The long convex plate 3 is closely contacted with one side of the floor slab body 1, and the short convex plate 2 cannot be contacted with one side of the floor slab body 1 due to the short length, so that a groove 4 is reserved, and the T-shaped connecting plate 5 is conveniently embedded.

During operation, use the couple of crane to collude lift ring 11 and lift up the floor body 1 and remove to the floor body 1 side that needs the concatenation, the workman pastes the short flange 2 of floor body 1 left side at the top of long flange 3, in the recess 4 is inserted to the bottom of rethread T shape connecting plate 5, use fixing bolt 6 pass T shape connecting plate 5 and the pre-buried thread bush 7 threaded connection in floor body 1 top, make two floor bodies 1 fix together, make the quick concatenation between the floor body 1 through the design of short flange 2 and long flange 3, thereby reduce workman's physical power, work efficiency has been improved greatly.

In summary, this precast concrete coincide floor, it is with floor from the top down to have solved the crane, adopts the mode of side grafting still to need the workman to aim at the hole site with the protruding propelling groove of floor in, makes workman's physical demands too big, has still reduced work efficiency's problem moreover.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. Precast concrete coincide floor, including floor body (1), its characterized in that: the novel floor slab comprises a floor slab body (1), wherein a short convex plate (2) is arranged at the left top of the floor slab body (1), a long convex plate (3) is arranged at the right bottom of the floor slab body (1), the bottom of the short convex plate (2) is in contact with the top of the long convex plate (3), a groove (4) is formed between the short convex plate (2) and the floor slab body (1), a T-shaped connecting plate (5) is arranged in the groove (4), two ends of the T-shaped connecting plate (5) are respectively located at the top of the floor slab body (1), and fixing bolts (6) are connected between two ends of the T-shaped connecting plate (5) and the floor slab body (1) in a threaded mode.

2. Precast concrete composite floor slab according to claim 1, characterized in that: both ends at the top of the floor body (1) are provided with embedded thread sleeves (7), and the fixing bolts (6) penetrate through the T-shaped connecting plates (5) and are in threaded connection with the thread sleeves (7).

3. Precast concrete composite floor slab according to claim 1, characterized in that: a plurality of longitudinal steel bars (8) penetrate through the floor body (1) at intervals.

4. Precast concrete composite floor slab according to claim 1, characterized in that: the top of the floor slab body (1) is provided with a plurality of transverse truss girders (9).

5. Precast concrete composite floor slab according to claim 1, characterized in that: lifting holes (10) are formed in the front side and the rear side of the top of the floor body (1), and lifting rings (11) are connected to the inner walls of the lifting holes (10).

6. Precast concrete composite floor slab according to claim 1, characterized in that: one side of the long convex plate (3) is contacted with the bottom of the left side of the floor slab body (1), and the short convex plate (2) is positioned above the long convex plate (3).