CN220814626U - Combined beam type stair - Google Patents

Abstract

The utility model provides a combined beam type stair which comprises two parallel ladder beams, wherein a plurality of folded plates are detachably arranged between the two ladder beams, and each folded plate comprises a top folded plate, a plurality of standard folded plates and a bottom folded plate which are sequentially arranged from top to bottom; all folded plates are formed by fixedly connecting a pedal and a skirting board, the pedal is horizontally arranged, and the skirting board is vertically arranged; the top folded plate is formed by connecting the upper end of the skirting board with a pedal; the standard folded plate is formed by connecting the lower end of the skirting board with a pedal; the bottom folded plate is formed by connecting the upper ends and the lower ends of the two skirting boards with the two opposite sides of the pedal respectively. The effect of reducing dead weight is achieved by arranging a plurality of standard folded plates, top folded plates and bottom folded plates between two ladder beams; meanwhile, a large number of reinforcing steel bars are not needed to maintain stability in the design; the mode that a plurality of folded plates are spliced with the ladder beam plays the effect of convenient dismouting, and the process is simple, hoist and mount are convenient when job site installation and dismantlement.

Description

Combined beam type stair

Technical Field

The utility model relates to the technical field of buildings, in particular to a combined beam type stair.

Background

The stairs are used as important vertical transportation junction of the building and are also one of the components with the greatest construction difficulty of the components in the field construction process. At present, in a construction site, a cast-in-situ stair template is used in a large number and is complicated, the template waste amount is large, the stair size site is difficult to control, the labor personnel demand amount is large, and the structural strength of the stair is difficult to reach engineering requirements due to the application of a large number of scaffolds and template supporting tools. While the existing assembled common stairs mainly adopt plate-type stairs, and are widely applied to double-track stairs.

The assembled stair is convenient to transport and construct and operate on site, and the assembled stair is required to be light and easy to assemble and disassemble. The existing fabricated stairway generally adopts an all-steel integrated structure or an integrated concrete pouring structure; the whole dead weight of the all-steel integrated structure is large, the whole concrete pouring structure needs to be maintained stable by adopting a large number of reinforcing steel bars, and in general, the dead weight of the stairs is large, and the construction and the hoisting are difficult; meanwhile, the method has the defects of difficult disassembly and assembly and complicated construction flow during construction.

Disclosure of Invention

The utility model aims to provide a combined beam type stair, which solves the technical problems of heavy weight and difficult disassembly and assembly of an assembled stair in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a combination beam type stair, includes two parallel arrangement's ladder beam, two ladder beams between can dismantle and be provided with a plurality of folded plates, a plurality of the folded plate include top folded plate, a plurality of standard folded plate and the bottom folded plate that from the top down set gradually.

All the folded plates are formed by fixedly connecting a pedal and a skirting board, the pedal is horizontally arranged, and the skirting board is vertically arranged.

The top folded plate is formed by connecting the upper part of a skirting board with the side wall of a pedal.

The standard folded plate is formed by connecting the lower part of a skirting board with the side wall of a pedal.

The bottom folded plate is formed by connecting the upper part of a skirting board and the lower part of the skirting board with two opposite side walls of the same pedal respectively.

The utility model also has the following characteristics:

Further, all the folded plates are formed by integrally forming the step plates and the skirting boards with corresponding numbers.

Further, all folded plates are provided with first bolt holes which are transversely penetrated, and two ladder beams are provided with second bolt holes which are in one-to-one correspondence with each first bolt hole.

Further, the first bolt holes of all the folded plates are formed in the connecting positions of the tread plates and the skirting board.

Further, at least one anti-skid groove is arranged on all the stepping boards.

Furthermore, the bottoms of the two ladder beams are provided with limiting lining plates.

Further, all the steps and skirting boards are ultra-high performance concrete slabs.

Compared with the prior art, the utility model has the following technical effects:

According to the combined beam type stair, the plurality of standard folded plates, the top folded plates and the bottom folded plates are arranged between the two stair beams, an integrally formed structure is replaced by a split module assembly structure, so that the combined beam type stair is convenient to hoist during construction, and meanwhile, a large number of reinforcing steel bars are not required to maintain stability, so that the effect of reducing dead weight is achieved; the mode of a plurality of folded plates and ladder beam concatenation plays the effect of convenient dismouting, and the process is simple, hoist and mount are convenient when job site installation and dismantlement.

(II) the combined beam type stair disclosed by the utility model is characterized in that all the folded plates are made of ultra-high performance concrete plates, so that the dead weight is further reduced, bolt holes are formed in all the folded plates and in the corresponding positions of the ladder beams, and the ladder beams and the folded plates are connected through bolts, so that the convenience of loading and unloading is further improved; meanwhile, the anti-skid grooves are formed in the tread, so that the anti-skid performance is improved, the overall safety is enhanced, and the method is suitable for industrial large-scale use and popularization.

Drawings

FIG. 1 is a schematic cross-sectional view of a composite beam stairway in accordance with the utility model;

FIG. 2 is a schematic view of the ladder beam structure of the composite beam type stairway of the utility model;

FIG. 3 is a schematic illustration of the connection of the landing sill and flaps of the modular beam stairway of the present utility model at an angle;

FIG. 4 is a schematic view of the standard flap construction of the modular beam stairway of the present utility model;

FIG. 5 is a schematic view of the top flap construction of the composite beam stairway of the utility model;

fig. 6 is a schematic view of the bottom flap structure of the composite beam stairway of the utility model.

The meaning of each reference numeral in the figures is: 1. ladder beams; 2. a standard folded plate; 3. a top flap; 4. a bottom flap; 5. a tread plate; 6. skirting board; 7. a first bolt hole; 8. a second bolt hole; 9. and a limiting lining plate.

Detailed Description

All the components in the present utility model are known in the art unless otherwise specified. For example, a known conventional ladder beam is used as the ladder beam.

The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical scheme of the present utility model fall within the protection scope of the present utility model.

Examples:

This embodiment provides a combination beam type stair, as shown in fig. 1 to 5, including two parallel arrangement's ladder beam 1, can dismantle between two ladder beams 1 and be provided with a plurality of folded plates, a plurality of folded plates include top folded plate 3, a plurality of standard folded plate 2 and bottom folded plate 4 that from the top down set gradually.

All folded plates are formed by fixedly connecting a step plate 5 and a skirting board 6, wherein the step plate 5 is horizontally arranged, and the skirting board 6 is vertically arranged.

The top folded plate 3 is formed by connecting the upper end of the skirting board 6 with the pedal 5; the standard folded plate 2 is formed by connecting the lower end of a skirting board 6 with a step plate 5; the bottom folded plate 4 is formed by connecting the upper end and the lower end of two skirting boards 6 with two opposite sides of the tread board 5 respectively.

The assembled stair structure formed by the integral forming is split into the combined structure of the stair beam 1 and the folded plates, and the assembled stair structure is combined into the stair in a splicing mode, so that the dead weight of the device is reduced, and meanwhile, the additional reinforcing steel bars are not needed, so that the weight is further reduced.

When the construction, hoist and mount each folded plate in proper order and splice can, when convenient hoist and mount construction, the installation is dismantled conveniently, has simplified loading and unloading process.

As a preferred solution of this embodiment, all the flaps are formed by an integral formation of a corresponding number of tread plates 5 and skirting boards 6. The integrated structure has strong stability, and can be pretreated in advance as required, and the integrated structure is sent to a construction site after being formed in advance, so that the operation flow of site construction is simplified.

As a preferable scheme of this embodiment, all folded plates are provided with first bolt holes 7 which are transversely penetrated, and two ladder beams 1 are provided with second bolt holes 8 which are in one-to-one correspondence with each first bolt hole 7.

Through first bolt hole 7 and second bolt hole 8, use with two ladder beams 1 of bolt hole specification assorted bolted connection and all folded plates play the effect of easy to assemble and dismantlement.

Further preferably, the first bolt holes 7 of all the folded plates are arranged at the connecting positions of the tread plate 5 and the skirting board 6, and the arrangement ensures that the connecting stability of the device is the highest, and the integral strength is enhanced.

As a preferred version of this embodiment, at least one anti-skid groove 8 is provided on all the tread plates 5. The anti-slip groove 8 can be embedded with an anti-slip strip, which plays a role of anti-slip and enhances safety.

As a preferred solution of this embodiment, the bottoms of both ladder beams 1 are provided with limit liners 9. The limit lining plate 9 can limit the relative sliding of the bottom folded plate 4 between the two ladder beams 1, and strengthen the installation strength of the bottom folded plate 4 between the two ladder beams 1.

As a preferred scheme of this embodiment, all steps 5 and baseboard 6 are ultra-high performance concrete slab, and ultra-high performance concrete is a novel concrete material, has the characteristics of ultra-high strength, ultra-high durability and ultra-high toughness, when guaranteeing intensity, further reduces the device dead weight, satisfies stair lightweight demand.

The combined beam type stair provided by the utility model has the advantages that theoretical analysis and test verification prove that the strength and the deflection meet the standard requirements, the dead weight is effectively reduced, the assembly and the disassembly are convenient, and the combined beam type stair is suitable for industrial large-scale popularization and use.

Claims (7)

1. The combined beam type stair is characterized by comprising two parallel ladder beams (1), wherein a plurality of folded plates are detachably arranged between the two ladder beams (1), and each folded plate comprises a top folded plate (3), a plurality of standard folded plates (2) and a bottom folded plate (4) which are sequentially arranged from top to bottom;

All the folded plates are formed by fixedly connecting a pedal (5) and a skirting board (6), the pedal (5) is horizontally arranged, and the skirting board (6) is vertically arranged;

The top folded plate (3) is formed by connecting the upper part of a skirting board (6) with the side wall of a pedal (5);

the standard folded plate (2) is formed by connecting the lower part of a skirting board (6) with the side wall of a pedal (5);

The bottom folded plate (4) is formed by connecting the upper part of a skirting board (6) and the lower part of the skirting board (6) with two opposite side walls of the same pedal (5) respectively.

2. A combination beam type stairway according to claim 1, characterised in that all the flaps are formed by one piece from the tread plate (5) and a corresponding number of skirting boards (6).

3. A composite beam type stairway according to claim 1, characterised in that all the flaps are provided with first bolt holes (7) which are transversely through, and that both the ladder beams (1) are provided with second bolt holes (8) which are in one-to-one correspondence with each first bolt hole (7).

4. A combination beam stairway according to claim 3, characterised in that the first bolt holes (7) of all the flaps are provided at the connection of the tread (5) and skirting board (6).

5. A composite beam stairway according to claim 1, characterised in that all of the tread plates (5) are provided with at least one anti-skid groove (501).

6. A composite beam type stairway according to claim 1, characterised in that the bottoms of the two beams (1) are provided with limit lining plates (9).

7. A composite beam stairway according to claim 1, characterised in that all of the tread plates (5) and skirting boards (6) are ultra-high performance concrete slabs.