CN220225996U - Assembled building prefabricated staircase mosaic structure - Google Patents

Abstract

The utility model discloses an assembled building prefabricated staircase splicing structure, which relates to the technical field of assembled buildings and comprises a first half prefabricated staircase and a second half prefabricated staircase, wherein the first half prefabricated staircase and the second half prefabricated staircase comprise an upper stair plate, a lower stair plate and stair steps.

Description

Assembled building prefabricated staircase mosaic structure

Technical Field

The utility model relates to the technical field of assembled buildings, in particular to an assembled building prefabricated staircase splicing structure.

Background

The assembled building is characterized in that a large amount of field operation work in the traditional building mode is transferred to a factory, building components and accessories (such as floors, wallboards, stairs, balconies and the like) are manufactured in the factory, the building components and accessories are transported to a building construction site, and the building components are assembled and installed on site in a reliable connection mode.

However, the existing prefabricated stairway is large in size and heavy in weight, has high requirements on hoisting machinery such as a tower crane, and is high in installation cost, and because the prefabricated stairway is too heavy, the operation is inconvenient when personnel assist in installation, and the installation risk is high.

Disclosure of Invention

The utility model aims to provide an assembled building prefabricated stair splicing structure so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an assembled building prefabricated staircase mosaic structure, includes first half prefabricated staircase, second half prefabricated staircase, first half prefabricated staircase and second half prefabricated staircase all include last stair tread, lower stair tread and stair step, two the one end terminal surface that the stair step was spliced each other all is provided with triangle splice and triangle splice groove, triangle splice and triangle splice groove from the top down set up in turn, and triangle splice groove that installs on the first half prefabricated staircase correspond the concatenation with triangle splice and the triangle splice of installing on the second half prefabricated staircase, all install the concatenation plug on the last stair tread of first half prefabricated staircase and the lower stair tread of second half prefabricated staircase, all seted up the concatenation slot with the concatenation plug looks adaptation on the last stair tread of first half prefabricated staircase and second half prefabricated staircase, the inside pre-buried bar net that has of bar net to every stair step, pre-buried end is worn out from the slab groove, and stretches out 3cm for length, it has the connecting plate to stretch out to have the steel layer.

As a further scheme of the utility model: the bottom surface of the steel connecting plate is just opposite to the embedded bars and is provided with steel bar limiting holes, the steel connecting plate is a cement precast slab, and the thickness of the steel connecting plate is 5cm.

As still further aspects of the utility model: and the upper stair plate, the stair steps and the lower stair plate are all provided with anti-slip strips.

As still further aspects of the utility model: and the upper stair plate and the lower stair plate are respectively provided with an upper hanging hole and a lower hanging hole.

As still further aspects of the utility model: cement binder is filled between the first half prefabricated staircase and the second half prefabricated staircase, and the width of the cement binder is 2cm.

As still further aspects of the utility model: the upper plate surface of the steel connecting plate is flush with the stair tread surface, and the width of the steel connecting plate is equal to the sum of the widths of the first half prefabricated stair, the second half prefabricated stair and the cement binder.

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

1. according to the utility model, the prefabricated stairway formed by splicing the two half prefabricated stairways is arranged, so that the weight of the half prefabricated stairway is reduced by half compared with that of the whole prefabricated stairway, the hoisting is convenient and safe, the requirement on hoisting machinery is low, and the use cost of the hoisting machinery is saved.

2. According to the utility model, the triangular splice groove, the splice plug and the splice slot are arranged, and the triangular splice groove are mutually spliced and matched, and the splice plug and the splice slot are mutually spliced and matched, so that the splicing area of two half prefabricated stairways can be increased, the splicing is firm, and the safety of the prefabricated stairways meets the safety standard.

3. According to the utility model, the steel connecting plate is arranged on the stair tread and is connected with the embedded bars embedded in the stair steps, the two half-prefabricated stairs can be further connected through the steel connecting plate, the steel connecting plate has stronger tensile capacity, and the two half-prefabricated stairs can be prevented from cracking at the connecting positions.

Drawings

Fig. 1 is an overall view of an assembled building prefabricated staircase splice structure.

Fig. 2 is a partially disassembled view of a fabricated building stairway splice structure.

Fig. 3 is a side sectional view of an assembled building prefabricated staircase splice structure.

1. A first half prefabricated staircase; 2. a second semi-prefabricated staircase; 3. triangular splice; 4. a triangular splicing groove; 5. splicing slots; 6. a splice plug; 7. a plate groove; 8. embedding reinforcing steel bars; 9. a hanging hole; 10. a lower hanging hole; 11. a steel connecting plate; 12. a cement binder; 13. a reinforcing mesh; 14. ascending stairs; 15. stair steps; 16. descending stairs; 17. an anti-slip strip.

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. 1-2, in the embodiment of the utility model, an assembled building prefabricated staircase splicing structure comprises a first half prefabricated staircase 1 and a second half prefabricated staircase 2, wherein the first half prefabricated staircase 1 and the second half prefabricated staircase 2 respectively comprise an upper staircase plate 14, a lower staircase plate 16 and a staircase step 15, triangular splices 3 and triangular splice grooves 4 are respectively arranged on end surfaces of mutually spliced ends of the two staircase steps 15, the triangular splices 3 and the triangular splice grooves 4 are alternately arranged from top to bottom, the triangular splices 3 and the triangular splice grooves 4 arranged on the first half prefabricated staircase 1 are correspondingly spliced with the triangular splice grooves 4 and the triangular splices 3 arranged on the second half prefabricated staircase 2, splicing plugs 6 are respectively arranged on splicing surfaces of the upper staircase plate 14 of the first half prefabricated staircase 1 and the lower staircase plate 16 of the second half prefabricated staircase 2, splicing slots 5 matched with the splicing plugs 6 are respectively arranged on splicing surfaces of the lower staircase plate 16 of the first half prefabricated staircase 1 and the upper staircase plate 14 of the second half prefabricated staircase 2,

referring to fig. 1-2, the up-stair board 14, the stair steps 15 and the down-stair board 16 are provided with anti-slip strips 17, and the anti-slip strips 17 can prevent people from slipping up and down stairs.

Referring to fig. 1-2, the upper stair plate 14 and the lower stair plate 16 are respectively provided with an upper hanging hole 9 and a lower hanging hole 10, and the hanging holes are arranged to facilitate the large-scale hoisting machinery to hoist the stairs.

Referring to fig. 1, cement binder 12 is filled between a first half prefabricated staircase 1 and a second half prefabricated staircase 2, the width of the cement binder 12 is 2cm, and the cement binder 12 can firmly bond the two half prefabricated stairways together.

Example 2

Referring to fig. 1 and 3, on the basis of the above embodiment 1, the reinforcement mesh 13 is embedded in the first half prefabricated staircase 1 and the second half prefabricated staircase 2, the reinforcement mesh 13 is welded with embedded reinforcement 8 towards each layer of stair steps 15, the end of the embedded reinforcement 8 penetrates out of the slab groove 7, the extending length is 3cm, the slab groove 7 is provided with a steel connecting plate 11, the bottom surface of the steel connecting plate 11 is opposite to the embedded reinforcement 8 and provided with a reinforcement limiting hole, the steel connecting plate 11 is a cement prefabricated slab, the thickness of the steel connecting plate 11 is 5cm, the upper surface of the steel connecting plate 11 is flush with the surface of the stair steps 15, and the width of the steel connecting plate 11 is equal to the sum of the widths of the first half prefabricated staircase 1, the second half prefabricated staircase 2 and the cement binder 12, so that the steel connecting plate 11 can be kept flush with the two ends of the prefabricated staircase, and the steel connecting plate 11 is fixed in the slab groove 7 through cement.

The working principle of the utility model is as follows:

when the novel steel connecting plate is used, the first half prefabricated staircase 1/the second half prefabricated staircase 2 is hoisted at the reserved stair opening through hoisting machinery, then the second half prefabricated staircase 2/the first half prefabricated staircase 1 is hoisted at one side of the hoisted half prefabricated staircase, the hoisted half prefabricated staircase is slowly close to the hoisted half prefabricated staircase under manual cooperation, the triangular splice 3 is inserted into the triangular splice groove 4, the splice plug 6 is inserted into the splice slot 5, a gap of 2cm is reserved between the first half prefabricated staircase 1 and the second half prefabricated staircase 2, then cement binder 12 is filled into the gap (the bottom surface of the gap is plugged by a template before caulking, slurry leakage is prevented), the first half prefabricated staircase 1/the second half prefabricated staircase 2 are fully bonded together, and then the steel connecting plate 11 is placed into the plate groove 7, and the steel connecting plate 11 is fixed by cement.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides an assembled building prefabricated staircase mosaic structure, includes first half prefabricated staircase (1), second half prefabricated staircase (2), its characterized in that: the utility model discloses a prefabricated steel bar pre-buried reinforcement (13) of a first half prefabricated staircase (1) and a second half prefabricated staircase (2) respectively comprise an upper stair plate (14), a lower stair plate (16) and stair steps (15), two the end faces of one ends of the stair steps (15) mutually spliced are respectively provided with a triangular splice (3) and a triangular splice groove (4), the triangular splice (3) and the triangular splice groove (4) mounted on the first half prefabricated staircase (1) are alternately arranged from top to bottom, the triangular splice groove (4) and the triangular splice groove (3) mounted on the second half prefabricated staircase (2) are correspondingly spliced, splicing plugs (6) are respectively mounted on the splicing faces of the upper stair plate (14) of the first half prefabricated staircase (1) and the lower stair plate (16) of the second half prefabricated staircase (2), splicing plugs (6) are respectively mounted on the splicing faces of the upper stair plate (14) of the first half prefabricated staircase (1) and the second half prefabricated staircase (2), the first half prefabricated steel bar (8) and the second half prefabricated steel bar (2) are respectively welded and embedded in the first half prefabricated steel bar (13), the end of the embedded steel bar (8) penetrates out of the plate groove (7) and has an extending length of 3cm, and a steel connecting plate (11) is arranged on the plate groove (7).

2. The fabricated building prefabricated staircase splicing structure according to claim 1, wherein: the bottom surface of steel connecting plate (11) just has offered the spacing hole of reinforcing bar to embedded bar (8), steel connecting plate (11) are cement prefabricated plate, and steel connecting plate (11) thickness is 5cm.

3. The fabricated building prefabricated staircase splicing structure according to claim 1, wherein: and anti-slip strips (17) are arranged on the ascending stair plate (14), the stair steps (15) and the descending stair plate (16).

4. The fabricated building prefabricated staircase splicing structure according to claim 1, wherein: an upper hanging hole (9) and a lower hanging hole (10) are respectively formed in the upper stair plate (14) and the lower stair plate (16).

5. The fabricated building prefabricated staircase splicing structure according to claim 1, wherein: cement binder (12) is filled between the first half prefabricated staircase (1) and the second half prefabricated staircase (2), and the width of the cement binder (12) is 2cm.

6. The fabricated building prefabricated staircase splicing structure according to claim 1, wherein: the upper plate surface of the steel connecting plate (11) is flush with the surface of the stair step (15), and the width of the steel connecting plate (11) is equal to the sum of the widths of the first half prefabricated stair (1), the second half prefabricated stair (2) and the cement binder (12).