CN216340543U

CN216340543U - Fast-assembled steel-concrete stair structure

Info

Publication number: CN216340543U
Application number: CN202122499097.3U
Authority: CN
Inventors: 季思亮; 李晓骏; 袁岗; 刘晓春; 沈雷
Original assignee: Jiangsu Yinzhou Construction Group Co ltd
Current assignee: Jiangsu Yinzhou Construction Group Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-19
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a rapid-assembly reinforced concrete stair structure, belonging to the technical field of reinforced concrete stairs, comprising a stair beam and stair steps, wherein the stair steps are arranged on the upper side of the stair beam, the number of the stair steps is multiple, the lower sides of the stair steps are provided with insertion blocks, the upper side of the stair beam is provided with insertion grooves, the insertion blocks are inserted into the insertion grooves, mounting holes are formed between the stair steps and the insertion blocks, fixing blocks are arranged on the lower sides of the insertion grooves, threaded holes are formed in the upper sides of the fixing blocks, and fixing bolts are arranged in the mounting holes. The stair steps are fixed, and the stair steps are stably fixed by installing the fixing bolts.

Description

Fast-assembled steel-concrete stair structure

Technical Field

The utility model relates to the technical field of reinforced concrete stairs, in particular to a quickly-assembled reinforced concrete stair structure.

Background

Reinforced concrete stair are reinforced concrete stair, improve its support strength through adding the reinforcing bar in the concrete, along with the rapid development of construction, assembled stair are more and more.

Assembled stair need be prefabricated, and the assembled steel reinforced concrete stair weight that current prefabricated goes out is heavier, leads to inconvenient installation and transportation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quickly-assembled steel-concrete stair structure to solve the problem that the existing prefabricated steel-concrete stair proposed in the background art is heavy in weight and inconvenient to install and transport.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a reinforced concrete stair structure of assembling fast, includes ladder roof beam and stair step, stair step is installed to ladder roof beam upside, stair step quantity is a plurality of, stair step downside is provided with the inserted block, the slot has been seted up to ladder roof beam upside, the inserted block is pegged graft in the slot, the mounting hole has been seted up between stair step and the inserted block, the slot downside is provided with the fixed block, the threaded hole has been seted up to the fixed block upside, install fixing bolt in the mounting hole, fixing bolt and screw hole spiro union, be provided with steel reinforcement cage in the ladder roof beam.

Preferably, the mounting hole is a counter-sunk hole.

Preferably, the stair step surface is provided with a decorative layer.

Preferably, the lower side of ladder roof beam left side is provided with down the link, the upper right side of ladder roof beam is provided with the link.

Preferably, the number of the stair steps is 6-9.

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

1) the stair steps are fixed by inserting the inserting blocks into the inserting grooves, and the stair steps are stably fixed by installing the fixing bolts;

2) the stair steps and the stair beams of the reinforced concrete stair structure are assembled, and when the reinforced concrete stair is installed, the stair beams are installed and fixed firstly, and then the stair steps are installed on the stair beams, so that the defect of heavy integral weight is overcome, and the stair structure is convenient to install and transport.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

fig. 3 is a schematic sectional view of the stair step and the stair beam of the present invention.

In the figure: 1 terraced roof beam, 2 lower connecting ends, 3 last connecting ends, 4 steel reinforcement frameworks, 5 stair steps, 6 decorative layers, 7 slots, 8 mounting holes, 9 fixing bolt, 10 inserted blocks, 11 fixed blocks, 12 screw holes.

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 should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a fast-assembled reinforced concrete stair structure comprises a stair beam 1 and stair steps 5, the stair steps 5 are installed on the upper side of the stair beam 1, the number of the stair steps 5 is multiple, insertion blocks 10 are arranged on the lower side of the stair steps 5, insertion grooves 7 are formed in the upper side of the stair beam 1, the insertion blocks 10 are inserted into the insertion grooves 7 in an inserted mode, the stair steps 5 are fixed, the insertion blocks 10 and the insertion grooves 7 are matched in a limiting effect, mounting holes 8 are formed between the stair steps 5 and the insertion blocks 10, fixing blocks 11 are arranged on the lower sides of the insertion grooves 7, threaded holes 12 are formed in the upper sides of the fixing blocks 11, fixing bolts 9 are installed in the mounting holes 8, the fixing bolts 9 are in threaded connection with the threaded holes 12, the stair steps 5 are stably fixed through the fixing bolts 9, the fixing bolts 9 are made of stainless steel, a steel reinforcement framework 4 is arranged in the stair beam 1, make ladder beam 1 have higher intensity and bearing capacity, steel reinforcement framework 4 evenly sets up, has horizontal reinforcing bar and vertical reinforcing bar in the steel reinforcement framework 4.

The mounting hole 8 is a counter bore, so that the fixing bolt 9 can be conveniently hidden.

The surface of the stair step 5 is provided with a decorative layer 6, the decorative layer 6 is fixedly bonded with the stair step 5, and the stair step 5 is decorated.

The left lower side of the ladder beam 1 is provided with a lower connecting end 2, and the right upper side of the ladder beam 1 is provided with an upper connecting end 3 for installation and fixation.

The number of the stair steps 5 is 6-9.

The working principle is as follows: when the reinforced concrete stair is installed, the stair beam 1 is installed and fixed firstly, then the stair step 5 is installed, the insertion block 10 is inserted into the insertion groove 7, the stair step 5 is fixed, the stair step 5 is stably fixed through the installation of the fixing bolt 9, then the decorative layer 6 is pasted, the stair step 5 and the stair beam 1 are assembled, and the reinforced concrete stair is convenient to install and disassemble.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel reinforced concrete stair structure of assembling fast, includes terraced roof beam (1) and stair step (5), its characterized in that: stair step (5) are installed to ladder roof beam (1) upside, stair step (5) quantity is a plurality of, stair step (5) downside is provided with inserted block (10), slot (7) have been seted up to ladder roof beam (1) upside, inserted block (10) are pegged graft in slot (7), mounting hole (8) have been seted up between stair step (5) and inserted block (10), slot (7) downside is provided with fixed block (11), threaded hole (12) have been seted up to fixed block (11) upside, install fixing bolt (9) in mounting hole (8), fixing bolt (9) and threaded hole (12) spiro union, be provided with framework of steel reinforcement (4) in ladder roof beam (1).

2. The rapidly assembled steel-concrete stair structure according to claim 1, wherein: the mounting hole (8) is a counter bore.

3. The rapidly assembled steel-concrete stair structure according to claim 1, wherein: the surface of the stair step (5) is provided with a decorative layer (6).

4. The rapidly assembled steel-concrete stair structure according to claim 1, wherein: the lower side of the left side of the ladder beam (1) is provided with a lower connecting end (2), and the upper right side of the ladder beam (1) is provided with an upper connecting end (3).

5. The rapidly assembled steel-concrete stair structure according to claim 1, wherein: the number of the stair steps (5) is 6-9.