CN214220327U

CN214220327U - Prefabricated staircase

Info

Publication number: CN214220327U
Application number: CN202022977990.8U
Authority: CN
Inventors: 王隆权
Original assignee: Individual
Current assignee: Chongqing Xiaoyao Technology Co.,Ltd.
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-17
Anticipated expiration: 2030-12-08

Abstract

The utility model belongs to prefabricated building component field specifically discloses a prefabricated staircase that cost of manufacture is lower. The prefabricated staircase comprises a prefabricated inclined plate, a staircase tread and a staircase platform; at least two stair treads are sequentially arranged on the upper surface of the prefabricated inclined plate along the length direction of the prefabricated inclined plate, and the stair treads are welded and fixed with the first metal embedded parts through second metal embedded parts. The prefabricated inclined plate and the stair tread of the prefabricated stair can be manufactured respectively, when the prefabricated stairs with different lengths are manufactured, only the length of a prefabricated inclined plate die is required to be increased, the requirement on the die is low, stacking and mounting are convenient, and the cost can be greatly reduced; at least two stair treads are sequentially arranged on the upper surface of the prefabricated inclined plate along the length direction of the prefabricated inclined plate, and the stair treads are welded and fixed with the first metal embedded parts through the second metal embedded parts, so that the prefabricated staircase is guaranteed to have good integrity and structural stability, and the connection reliability is high.

Description

Prefabricated staircase

Technical Field

The utility model belongs to prefabricated building component field, concretely relates to prefabricated staircase.

Background

The stair is an important component for vertical traffic between floors, and with the continuous development of building technology, prefabricated stair boards are widely used in the field of buildings. The traditional prefabricated staircase generally prefabricates the pedals, the inclined plate and the staircase platform together, has low standardization degree, needs to customize corresponding moulds according to the staircases with different heights or lengths, and has higher cost; in addition, the integrally prefabricated staircase has large volume and heavy weight, and has higher requirements on the capacity of an on-site storage yard and a tower crane, so the construction measure cost is high, and the engineering cost is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a prefabricated staircase that the cost of manufacture is lower.

The utility model provides a technical scheme that its technical problem adopted is: the prefabricated staircase comprises a prefabricated inclined plate, staircase pedals and two staircase platforms which are respectively arranged at two ends of the prefabricated inclined plate; a first metal embedded part is arranged on the prefabricated inclined plate, and a second metal embedded part is arranged on the stair tread; at least two stair treads are sequentially arranged on the upper surface of the prefabricated inclined plate along the length direction of the prefabricated inclined plate, and the stair treads are welded and fixed with the first metal embedded parts through second metal embedded parts.

Furthermore, a weight reduction structure is arranged on the prefabricated inclined plate.

Furthermore, the weight reducing structure is a weight reducing groove arranged on the lower surface of the prefabricated inclined plate, and the weight reducing groove is arranged along the length direction of the prefabricated inclined plate.

Furthermore, the number of the weight-reducing grooves is at least two, and the weight-reducing grooves are distributed at intervals along the width direction of the prefabricated inclined plate.

Furthermore, the first metal embedded part is provided with two rows of exposed parts on the upper surface of the prefabricated inclined plate, the two rows of exposed parts are respectively positioned on two sides of the width of the prefabricated inclined plate, and each row of exposed parts comprises at least two welding points which are distributed at intervals along the length direction of the prefabricated inclined plate.

Further, still be equipped with first cooperation portion on the prefabricated swash plate, still be equipped with the second cooperation portion that cooperates together with first cooperation portion on the stair tread.

Further, first cooperation portion is for locating the protruding structure on the prefabricated swash plate upper surface, second cooperation portion is for locating the groove structure of stair tread bottom.

Further, the stair tread comprises a tread body; the cross section of the pedal main body is L-shaped and comprises a pedal plate and a supporting plate which are vertically connected together.

Further, the stair tread further comprises triangular end plates; the two triangular end plates are respectively arranged at two ends of the pedal main body to seal the end part of the pedal main body.

Further, the tip of prefabricated swash plate is the inclined plane, be equipped with on the landing with the tip matched with bracket portion of prefabricated swash plate, the bracket portion passes through the end connection of connecting piece and prefabricated swash plate and is in the same place.

The utility model has the advantages that: the prefabricated inclined plate and the stair tread of the prefabricated stair can be manufactured respectively, when the prefabricated stairs with different lengths are manufactured, only the length of a prefabricated inclined plate die is required to be increased, the requirement on the die is low, stacking and mounting are convenient, and the cost can be greatly reduced; at least two stair treads are sequentially arranged on the upper surface of the prefabricated inclined plate along the length direction of the prefabricated inclined plate, and the stair treads are welded and fixed with the first metal embedded parts through the second metal embedded parts, so that the prefabricated staircase is guaranteed to have good integrity and structural stability, and the connection reliability is high.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic diagram of another embodiment of the present invention;

fig. 4 is a schematic structural view of the prefabricated sloping plate of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

labeled as: the prefabricated sloping plate 100, a welding point 111, a weight reduction groove 120, a stair tread 200, a second metal embedded part 210, a tread main body 220, a tread plate 221, a support plate 222, a triangular end plate 230, a stair platform 300 and a corbel part 310.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

In the description of the present invention, it should be noted that the terms "outside", "upper", "lower", 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 do not indicate or imply that the indicated device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2 and 3, the prefabricated staircase includes a prefabricated sloping plate 100, stair treads 200, and two landings 300 respectively disposed at two ends of the prefabricated sloping plate 100; a first metal embedded part is arranged on the prefabricated sloping plate 100, and a second metal embedded part 210 is arranged on the stair tread 200; at least two stair treads 200 are sequentially arranged on the upper surface of the prefabricated inclined plate 100 along the length direction of the prefabricated inclined plate, and the stair treads 200 are welded and fixed with the first metal embedded parts through second metal embedded parts.

The prefabricated inclined plate 100 is a main body of the prefabricated staircase, is generally in a cuboid structure and is prefabricated; the two ends of the prefabricated inclined plate 100 are generally provided with the demolding hanging holes, and the demolding hanging holes can also be used when the prefabricated inclined plate 100 is hoisted, so that the cost of embedded parts is saved.

In order to reduce the weight of the prefabricated staircase with a large span, a weight reduction structure is generally arranged on the prefabricated inclined plate 100; the weight reducing structure may be various, for example: the mesh holes arranged on the prefabricated sloping plate 100 are, for example: a through hole provided in the prefabricated sloping plate 100; preferably, as shown in fig. 4 and 5, the weight-reducing structure is a weight-reducing groove 120 formed on the lower surface of the precast swash plate 100, and the weight-reducing groove 120 is formed along the length direction of the precast swash plate 100. The cross-sectional configuration of the lightening slots 120 may be various, for example: rectangular, semi-circular, etc.

On the basis, in order to further reduce the weight of the prefabricated staircase, as shown in fig. 4 and 5, at least two weight-reducing grooves 120 are formed and are spaced apart from each other in the width direction of the prefabricated sloping plate 100.

Specifically, as shown in fig. 4, a first metal embedded part is embedded in the prefabricated sloping plate 100, the first metal embedded part has two rows of exposed portions on the upper surface of the prefabricated sloping plate 100, the two rows of exposed portions are respectively located on two sides of the width of the prefabricated sloping plate 100, and each row of exposed portions includes at least two welding points 111 distributed at intervals along the length direction of the prefabricated sloping plate 100.

The stair tread 200 is a tread structure of the prefabricated staircase, which can be made of various materials, such as: reinforced concrete, wood, steel, various composite materials added with aggregate and the like can also be made of recycled construction waste materials, so that the production cost is greatly reduced; the stair tread 200 may be generally triangular in cross-section or may be L-shaped.

Preferably, as shown in fig. 2, the stair tread 200 includes a tread body 220; the cross section of the pedal body 220 is L-shaped, and comprises a pedal plate 221 and a support plate 222 which are vertically connected together; the stair tread 200 of the structure can be produced in a flat plate form, the production efficiency is improved, meanwhile, the weight of the stair tread 200 is reduced, and workers can operate without machines in the assembling process.

On the basis of the above, in order to facilitate the positioning and installation of the stair tread 200 and to enhance the structural strength of the stair tread 200 and the installation portion thereof, as shown in fig. 2, the stair tread 200 further includes a triangular end plate 230; the two triangular end plates 230 are respectively disposed at two ends of the pedal body 220 to close the ends of the pedal body 220.

The second metal embedded part 210 is generally embedded at the lower part of the stair tread 200 and is used for being welded with the prefabricated sloping plate 100; the stair treads 200 and the prefabricated sloping plate 100 are fixedly connected together by welding the second metal embedded parts 210 and the first metal embedded parts, so that the construction is simple and convenient, the stress is firm, the connection can be finished in a factory or after the connection is transported to the site; the positions of the second metal embedded parts 210 and the first metal embedded parts can be specifically set and selected by workers according to the needs and the welding mode.

In order to facilitate the positioning of the stair tread 200 when being connected with the prefabricated sloping plate 100, a first matching part is generally arranged on the prefabricated sloping plate 100, and a second matching part matched with the first matching part is also arranged on the stair tread 200.

Preferably, the first fitting portion is a protruding structure disposed on the upper surface of the prefabricated sloping plate 100, and the second fitting portion is a groove structure disposed at the bottom of the stair tread 200.

For anti-slip purposes, anti-slip structures are typically provided on the tread surface of the stair tread 200. The anti-slip structure may be various, for example: grids, patterns, anti-skid grooves and the like.

The landing 300 is a turning connection part of the prefabricated staircase, which can be prefabricated or cast in situ; the connection between the end of the prefabricated sloping plate 100 and the landing 300 may be various, for example: welding embedded parts, connecting reserved steel bars, pouring and connecting, and connecting through connecting pieces such as screws or bolts.

Preferably, as shown in fig. 1, the end of the prefabricated sloping plate 100 is an inclined plane, a leg portion 310 matched with the end of the prefabricated sloping plate 100 is arranged on the landing 300, and the leg portion 310 is connected with the end of the prefabricated sloping plate 100 through a connector. The mode is convenient to connect and good in stability.

Claims

1. The prefabricated staircase comprises a prefabricated sloping plate (100), stair treads (200) and two stair platforms (300) which are respectively arranged at two ends of the prefabricated sloping plate (100); the method is characterized in that: a first metal embedded part is arranged on the prefabricated inclined plate (100), and a second metal embedded part (210) is arranged on the stair tread (200); at least two stair treads (200) are sequentially arranged on the upper surface of the prefabricated inclined plate (100) along the length direction of the prefabricated inclined plate, and the stair treads (200) are fixedly welded with the first metal embedded parts through second metal embedded parts.

2. The prefabricated staircase of claim 1, wherein: and a weight reduction structure is arranged on the prefabricated inclined plate (100).

3. The prefabricated staircase of claim 2, wherein: the weight reducing structure is a weight reducing groove (120) arranged on the lower surface of the prefabricated sloping plate (100), and the weight reducing groove (120) is arranged along the length direction of the prefabricated sloping plate (100).

4. The prefabricated staircase of claim 3, wherein: the number of the weight-reducing grooves (120) is at least two, and the weight-reducing grooves are distributed at intervals along the width direction of the prefabricated inclined plate (100).

5. The prefabricated staircase of claim 1, wherein: the first metal embedded part is provided with two rows of exposed parts on the upper surface of the prefabricated inclined plate (100), the two rows of exposed parts are respectively positioned on two sides of the width of the prefabricated inclined plate (100), and each row of exposed parts comprises at least two welding points (111) which are distributed at intervals along the length direction of the prefabricated inclined plate (100).

6. The prefabricated staircase of claim 1, wherein: still be equipped with first cooperation portion on prefabricated swash plate (100), still be equipped with the second cooperation portion that cooperates together with first cooperation portion on stair tread (200).

7. The prefabricated staircase of claim 6, wherein: the first matching part is a protruding structure arranged on the upper surface of the prefabricated inclined plate (100), and the second matching part is a groove structure arranged at the bottom of the stair tread (200).

8. The prefabricated staircase of claim 1, wherein: the stair tread (200) comprises a tread body (220); the cross section of the pedal main body (220) is L-shaped, and the pedal main body comprises a pedal plate (221) and a supporting plate (222) which are vertically connected together.

9. The prefabricated staircase of claim 8, wherein: the stair tread (200) further comprises a triangular end plate (230); the two triangular end plates (230) are respectively arranged at two ends of the pedal main body (220) to seal the end part of the pedal main body (220).

10. The prefabricated staircase of any one of claims 1 to 9, wherein: the tip of prefabricated swash plate (100) is the inclined plane, be equipped with on stair platform (300) with the tip matched with ox shank (310) of prefabricated swash plate (100), ox shank (310) are in the same place through the end connection of connecting piece with prefabricated swash plate (100).