CN216109431U

CN216109431U - Prefabricated staircase

Info

Publication number: CN216109431U
Application number: CN202121264139.9U
Authority: CN
Inventors: 李连平; 肖亮; 樊增武; 苏宁; 吕鹏辉; 李坤; 吕加昌; 李菲
Original assignee: CCCC First Highway Engineering Co Ltd
Current assignee: CCCC First Highway Engineering Co Ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-03-22
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a prefabricated staircase which comprises a staircase body, wherein a steel structure is embedded in the staircase body, L-shaped steel is embedded in the position, corresponding to a single step, of the staircase body, a steel pipe is arranged between the L-shaped steel on two sides, corresponding to the single step, and the end part of the L-shaped steel is supported and fixed on an angle steel. The inside of prefabricated staircase is embedded into the steel construction equally, but for traditional steel construction, its impetus is more concentrated, and the steel use amount reduces and guarantees simultaneously that the support performance is stable lasting, imbeds the steel pipe in the position of step for prevent the collapse that the unbalance of step edge bearing leads to, equally, explain the position of step is defective, and the steel pipe can be repaired fast as the fulcrum.

Description

Prefabricated staircase

Technical Field

The utility model belongs to the technical field of assembly type buildings, and particularly relates to a prefabricated staircase.

Background

Precast concrete stairs are easy to design, traditional stairs are built, an architect needs to carefully plan to the exact proportion, and when the architect needs to move or change the stairs, the architect needs to go through a time-consuming design process again. The prefabricated staircase is designed by applying a simple computer program, so that a designer can change the size, create gaps or gaps according to the actual situation and make adjustments in time. Compared with the traditional stairs, the precast concrete stairs have the advantages that a worker does not need to arrange a complex frame when building the stairs, whether the weather is suitable or not does not need to be considered, and a large amount of time is not needed for mixing and pouring concrete. Since the precast concrete staircases are manufactured as a single unit, they have a stable design, and the precast concrete staircases have a seamless design, so that there are not so many cracks and safety is high.

Prefabricated staircase has the characteristics that the reliability is high, and the weather factor need not to be considered in the construction, assembles simply and shortens the time limit for a project greatly, but the security of stair all is put on first place, and the step of prefabricated staircase is inside because lack the structural support, and the position of step is more fragile, and the phenomenon that the concrete can appear collapsing after a period of time, influences the walking easily and restores more difficultly. Therefore, the utility model mainly solves the problem that the prefabricated staircase is easy to be damaged due to the fragile edge of the step.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a prefabricated staircase, which mainly solves the problem that the prefabricated staircase is easy to be damaged due to the fact that the edges of steps of the prefabricated staircase are fragile.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model provides a prefabricated staircase, includes the stair body, the inside embedding of stair body has the steel construction, the steel construction is including embedding in the angle steel of stair body both sides, the position embedding that the stair body corresponds single step has L shaped steel, and single step corresponds and is provided with the steel pipe between the L shaped steel of both sides, the tip of steel pipe welds in the turning of L shaped steel, the tip of L shaped steel supports and is fixed in the angle steel.

Further, the tip of stair body all is connected with the layer board, the backup pad has all been embedded in the both sides of layer board, be connected with a plurality of reinforcing bars between the backup pad, the backup pad is connected with the tip an organic whole of angle steel.

Furthermore, the reinforcing steel bar penetrates through the support plate, and the position where the reinforcing steel bar penetrates through the support plate is fixed through the nut.

Furthermore, a supporting sheet is connected to the contact end of the L-shaped steel corresponding to the angle steel.

The utility model has the following beneficial effects:

the inside of prefabricated staircase is embedded into the steel construction equally, but for traditional steel construction, its impetus is more concentrated, and the steel use amount reduces and guarantees simultaneously that the support performance is stable lasting, imbeds the steel pipe in the position of step for prevent the collapse that the unbalance of step edge bearing leads to, equally, explain the position of step is defective, and the steel pipe can be repaired fast as the fulcrum.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1: the utility model has a sectional structure diagram.

FIG. 2: the utility model is a schematic installation diagram.

In the drawings, the components represented by the respective reference numerals are listed below:

the stair comprises a stair body 1, a steel structure 2, angle steel 21, L-shaped steel 3, a steel pipe 4, a supporting plate 5, a supporting plate 51, a steel bar 52, a nut 53 and a supporting sheet 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

As shown in fig. 1-2: the utility model provides a prefabricated staircase, includes stair body 1, the inside embedding of stair body 1 has steel construction 2, and the concrete has been pour to the steel construction outside. The steel structure 2 comprises angle steel 21 embedded in two sides of the stair body 1, and the angle steel is used as a main supporting framework and is parallel to the extending direction of the stair body. The position that stair body 1 corresponds single step is embedded in L shaped steel 3, and L shaped steel is embedded in the avris of step, is favorable to improving the structural support performance of step avris. A steel pipe 4 is arranged between the L-shaped steels 3 on two corresponding sides of a single step, the steel pipe is correspondingly embedded into the corner side of the step, the end part of the steel pipe 4 is welded on the corner of the L-shaped steel 3, and the end part of the L-shaped steel 3 is supported and fixed on the angle steel 21.

According to the utility model, the steel structure is embedded into the prefabricated staircase, but compared with the traditional steel structure, the acting points are more concentrated, the using amount of steel is reduced, the stability and the durability of the supporting performance are ensured, the steel pipe is embedded into the step position and is used for preventing collapse caused by unbalanced bearing of the step edge, and similarly, the position defect of the step is explained, and the steel pipe can be used as a fulcrum for quick repair.

The preparation process comprises the steps of assembling a steel structure, and then placing the steel structure into a mould for pouring concrete.

As shown in fig. 1: the end of the stair body 1 is connected with a supporting plate 5, supporting plates 51 are embedded into two sides of the supporting plate 5, a plurality of steel bars 52 are connected between the supporting plates 51, and the supporting plates 51 are integrally connected with the end of each angle steel 21. The layer board is used for linking up between the two-layer floor, and the floor is provided with the cell body that is used for preventing the layer board, need toward pouring the mortar outward and carry out the fixed of layer board. The purpose of the embedded reinforcing bars is to improve the support properties of the pallet.

As shown in fig. 1: the reinforcing steel bar 52 penetrates through the support plate 51, and the position of the reinforcing steel bar 52 penetrating through the support plate 51 is fixed through a nut 53. The positioning device is used for accurately positioning the position of the steel bars, and a plurality of steel bars can be mutually aligned.

As shown in fig. 1: the contact end of the L-shaped steel 3 corresponding to the angle steel 21 is connected with a support piece 31. The support sheet is attached to the inclined plane of the angle steel for supporting, so that the welding area is increased, and the firmness is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A prefabricated staircase, its characterized in that:

including stair body (1), the inside embedding of stair body (1) has steel construction (2), steel construction (2) are including embedding in angle steel (21) of stair body (1) both sides, the position embedding that stair body (1) corresponds single step has L shaped steel (3), and single step corresponds and is provided with steel pipe (4) between both sides L shaped steel (3), the tip of steel pipe (4) welds in the corner of L shaped steel (3), the tip of L shaped steel (3) supports and is fixed in angle steel (21).

2. The prefabricated staircase of claim 1, wherein: the end of the stair body (1) is connected with a supporting plate (5), supporting plates (51) are embedded into two sides of the supporting plate (5), a plurality of steel bars (52) are connected between the supporting plates (51), and the supporting plates (51) are integrally connected with the end of each angle steel (21).

3. The prefabricated staircase of claim 2, wherein: the reinforcing steel bar (52) penetrates through the support plate (51), and the position where the reinforcing steel bar (52) penetrates through the support plate (51) is fixed through the nut (53).

4. The prefabricated staircase of claim 1, wherein: the contact end of the L-shaped steel (3) corresponding to the angle steel (21) is connected with a support sheet (31).