CN214575020U

CN214575020U - Ribbed steel bar truss concrete prefabricated bottom plate

Info

Publication number: CN214575020U
Application number: CN202120072667.8U
Authority: CN
Inventors: 宋姝丹
Original assignee: Chongqing Jianbin Building Material Products Co ltd
Current assignee: Chongqing Jianbin Building Material Products Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-11-02
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a prefabricated bottom plate of ribbed steel bar truss concrete, including concrete bottom plate, the long horizontal truss of inside fixedly connected with of concrete bottom plate, the fixed surface of long horizontal truss is connected with the splice bar, the fixed surface of splice bar is connected with long perpendicular truss, the long fixed surface who erects the truss is connected with short horizontal truss, the fixed surface of long horizontal truss is connected with short perpendicular truss, the fixed surface of long horizontal truss is connected with the connecting rod, the one end fixedly connected with floor of connecting rod. The utility model discloses, when concrete bottom plate advances the concatenation, long horizontal truss and short horizontal truss erect truss and short perpendicular truss butt joint, and long horizontal truss and short erect the truss in the top, and short horizontal truss and long erect the truss in the below, and the concrete of interpolation solidifies the back coupling part more stable, is difficult for the fracture, through tying up the rope on the U-shaped of long horizontal truss, long perpendicular truss, short horizontal truss and short perpendicular truss, makes things convenient for concrete bottom plate to drag and hangs.

Description

Ribbed steel bar truss concrete prefabricated bottom plate

Technical Field

The utility model relates to a concrete technical field especially relates to a ribbed steel bar truss concrete precast bottom plate.

Background

The invention discloses a steel bar truss type prefabricated bottom floor slab in 1980, which combines the advantages of full prefabrication and cast-in-place, so that the steel bar truss type prefabricated bottom floor slab is widely popularized in civil houses and public buildings, especially in European regions. Since then, the japanese enterprises introduced the prefabricated floor technology one after another, so that the steel bar truss type prefabricated floor slab has been widely used in japanese industrial buildings and multi-story houses since the 80 s. The steel bar truss has the main effects of improving the rigidity of the prefabricated bottom plate, increasing the shearing resistance of the prefabricated bottom surface, being used as a construction stirrup and a lifting hook during lifting, and can also be used as an auxiliary steel bar for indirect steel bar laying during splicing of prefabricated plates after the lifting is finished.

When the ribbed steel bar truss concrete prefabricated bottom plate in the prior art is used in a splicing mode, the strength of the splicing position is not enough, cracks are easy to generate, and the pulling and hanging movement is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a ribbed steel bar truss concrete prefabricated bottom plate.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a ribbed steel bar truss concrete prefabricated bottom plate, includes concrete bottom plate, concrete bottom plate's the long truss of inside fixedly connected with, the fixed surface of long truss is connected with the splice bar, the fixed surface of splice bar is connected with long perpendicular truss, the fixed surface of long perpendicular truss is connected with short truss, the fixed surface of long truss is connected with short perpendicular truss, the fixed surface of long truss is connected with the connecting rod, the one end fixedly connected with floor of connecting rod, the dead slot has been seted up on the surface of floor.

As a further description of the above technical solution:

one ends of the long transverse truss, the long vertical truss, the short transverse truss and the short vertical truss are all set to be U-shaped.

As a further description of the above technical solution:

the long transverse truss and the short vertical truss are positioned above the long vertical truss and the short transverse truss.

As a further description of the above technical solution:

the empty grooves are distributed on the front surfaces of the rib plates in a rectangular array.

As a further description of the above technical solution:

the long transverse truss and the short transverse truss are linearly arranged.

As a further description of the above technical solution:

the short vertical trusses and the long vertical trusses are linearly arranged.

As a further description of the above technical solution:

the connecting ribs are uniformly distributed, and the connecting rods are uniformly distributed.

As a further description of the above technical solution:

the interior of the concrete bottom plate is fixedly connected with the connecting rods, the short vertical trusses, the short transverse trusses, the long vertical trusses, the connecting ribs and the long transverse trusses.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this prefabricated bottom plate of ribbed steel bar truss concrete when concrete bottom plate advances the concatenation, long horizontal truss and short horizontal truss and long vertical truss and short vertical truss butt joint, long horizontal truss and short vertical truss are in the top, and short horizontal truss and long vertical truss are in the below, and the concrete that adds solidifies back coupling part more stable, difficult fracture.

2. Compared with the prior art, the ribbed steel bar truss concrete prefabricated bottom plate is convenient for the concrete bottom plate to be dragged and hung through tying ropes to the U-shaped structures on the long transverse truss, the long vertical truss, the short transverse truss and the short vertical truss.

3. Compared with the prior art, this kind of ribbed steel bar truss concrete precast bottom plate through being provided with the floor, promotes concrete bottom plate's intensity, and the material that the floor used is reduced to the dead slot, reduction in production cost.

Drawings

Fig. 1 is a perspective view of the overall structure of a ribbed steel bar truss concrete prefabricated bottom plate provided by the utility model;

fig. 2 is a perspective view of the internal structure of a ribbed steel bar truss concrete prefabricated bottom plate provided by the utility model;

FIG. 3 is a side view of a connecting rod structure of a ribbed steel bar truss concrete prefabricated bottom plate according to the present invention;

fig. 4 is the utility model provides a ribbed slab structure local enlargements of ribbed steel bar truss concrete precast bottom plate.

Illustration of the drawings:

1. a concrete floor; 2. a long transverse truss; 3. connecting ribs; 4. a long vertical truss; 5. a short cross truss; 6. a short vertical truss; 7. a connecting rod; 8. a rib plate; 9. and (4) emptying the groove.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a pair of ribbed steel bar truss concrete precast bottom plate: including concrete bottom plate 1, concrete bottom plate 1's long truss of inside fixedly connected with 2, long truss 2's fixed surface is connected with splice bar 3, splice bar 3's fixed surface is connected with long perpendicular truss 4, long perpendicular truss 4's fixed surface is connected with short truss 5, long truss 2's fixed surface is connected with short perpendicular truss 6, long truss 2's fixed surface is connected with connecting rod 7, the one end fixedly connected with floor 8 of connecting rod 7, dead slot 9 has been seted up on the surface of floor 8.

Long truss 2, long truss 4 that erects, the one end of short truss 5 and short truss 6 all sets up to the U-shaped, long truss 2 and short truss 6 that erects are located long truss 4 and short truss 5 top, dead slot 9 is rectangular array at the front of floor 8 and distributes, long truss 2 and short truss 5 are linear arrangement, short truss 6 and long truss 4 that erects are linear arrangement, splice bar 3 evenly distributed, connecting rod 7 evenly distributed, the inside and the connecting rod 7 of concrete bottom plate 1, short truss 6 that erects, short truss 5, long truss 4 that erects, splice bar 3 and the equal fixed connection of long truss 2.

The working principle is as follows: the utility model discloses during the use, long truss 2, long perpendicular truss 4, short truss 5 and the short one end of erecting truss 6 are the U-shaped, can tie up the rope at long truss 2, long perpendicular truss 4, on the U-shaped on short truss 5 and the short perpendicular truss 6, make things convenient for concrete bottom plate 1 to drag and hang, when concrete bottom plate 1 advances the concatenation, long truss 2 and short truss 5 and long perpendicular truss 4 and the short butt joint of erecting truss 6, long truss 2 and short perpendicular truss 6 are above, short truss 5 and long perpendicular truss 4 are in the below, the concrete setting back connecting portion of interpolation is more stable, be difficult for the fracture, floor 8 promotes concrete bottom plate 1's intensity, empty groove 9 reduces the material that floor 8 used, and production cost is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a ribbed steel bar truss concrete precast bottom plate, includes concrete bottom plate (1), its characterized in that: the concrete floor is characterized in that the concrete floor is provided with a long transverse truss (2) fixedly connected with the inside of the concrete floor (1), the surface of the long transverse truss (2) is fixedly connected with a connecting rib (3), the surface of the connecting rib (3) is fixedly connected with a long vertical truss (4), the surface of the long vertical truss (4) is fixedly connected with a short transverse truss (5), the surface of the long transverse truss (2) is fixedly connected with a short vertical truss (6), the surface of the long transverse truss (2) is fixedly connected with a connecting rod (7), one end of the connecting rod (7) is fixedly connected with a ribbed plate (8), and a hollow groove (9) is formed in the surface of the ribbed plate (8).

2. The ribbed steel bar truss concrete precast floor of claim 1, wherein: one ends of the long transverse truss (2), the long vertical truss (4), the short transverse truss (5) and the short vertical truss (6) are all set to be U-shaped.

3. The ribbed steel bar truss concrete precast floor of claim 1, wherein: the long transverse truss (2) and the short vertical truss (6) are positioned above the long vertical truss (4) and the short transverse truss (5).

4. The ribbed steel bar truss concrete precast floor of claim 1, wherein: the empty grooves (9) are distributed on the front surfaces of the rib plates (8) in a rectangular array.

5. The ribbed steel bar truss concrete precast floor of claim 1, wherein: the long transverse truss (2) and the short transverse truss (5) are linearly arranged.

6. The ribbed steel bar truss concrete precast floor of claim 1, wherein: the short vertical trusses (6) and the long vertical trusses (4) are linearly arranged.

7. The ribbed steel bar truss concrete precast floor of claim 1, wherein: the connecting ribs (3) are uniformly distributed, and the connecting rods (7) are uniformly distributed.

8. The ribbed steel bar truss concrete precast floor of claim 1, wherein: the interior of the concrete bottom plate (1) is fixedly connected with the connecting rods (7), the short vertical trusses (6), the short transverse trusses (5), the long vertical trusses (4), the connecting ribs (3) and the long transverse trusses (2).