CN211058183U

CN211058183U - Pre-installation stair connection structure

Info

Publication number: CN211058183U
Application number: CN201921923488.XU
Authority: CN
Inventors: 金涛
Original assignee: Guangzhou Shanding Architectural Design Consulting Co ltd
Current assignee: Guangzhou Shanding Architectural Design Consulting Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-21
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a pre-installation stair connection structure, including the supporting layer, first floor layer, second floor layer and pre-installation concrete layer, the top bottommost layer is provided with first floor layer in the supporting layer, first floor layer top one side is provided with second floor layer, the supporting layer, be provided with pre-installation concrete layer between first floor layer and the second floor layer, all be provided with the screwed pipe in first floor layer and the second floor layer, the one end intercommunication of screwed pipe is fluted, the outer one side of recess is provided with the nut, the one end of nut is connected with the lead screw, the other end of lead screw lets in the screwed pipe, the other end of lead screw is connected with the circular cone piece, first floor layer top inner wall is fixed with first spacing pipe, second floor layer bottom inner wall is fixed with the spacing pipe of second, be provided with first fixed pin in first spacing pipe and the spacing pipe of second. Has the advantages that: the utility model discloses make installing that pre-installation stair can be stable on supporting layer and pre-installation concrete layer, improved work efficiency, safe and reliable.

Description

Pre-installation stair connection structure

Technical Field

The utility model relates to a building engineering technical field particularly, relates to a pre-installation stair connection structure.

Background

The traditional cast-in-place stair takes too long time for construction, and the construction of the stair is undoubtedly one of the most complicated, most experimented and most time-consuming working parts of workers.

Traditional cast-in-place stair construction needs measure the unwrapping wire, prop up the stair die block, the rest platform die block, the bottom of ligature stair tread is horizontal and vertical atress reinforcing bar, prop up the side form of stair, the negative muscle of ligature, the upper portion reinforcing bar of stair tread, prop up the template of marking time, conceal the acceptance of examining, concreting, the maintenance, the form removal, a series of steps such as maintenance of continuing to water, the process is very complicated, not only consume a large amount of templates, and the technique is difficult to control, often cause every layer of main part building construction to accomplish the back, the problem of construction progress card on stair construction.

In the stair construction process of the existing fabricated building, the construction progress is slow, a plurality of support rod pieces are arranged, support points are limited by construction and participate in a crossing process, any limiting fixing structure is not arranged, errors exist between layers of the stair easily, and the stair is unsafe and attractive.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pre-installation stair connection structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the purpose, the utility model provides a pre-installation stair connection structure, including supporting layer, first floor layer, second floor layer and pre-installation concrete layer, the top bottommost layer is provided with first floor layer in the supporting layer, first floor layer top one side is provided with the second floor layer, first floor layer and second floor layer appearance are "L" type, be provided with pre-installation concrete layer between supporting layer, first floor layer and the second floor layer, all be provided with the screwed pipe in first floor layer and the second floor layer, screwed pipe one end is fixed on the inner wall of first floor layer or second floor layer, the one end intercommunication of screwed pipe has the recess, recess outer one side is provided with the nut, the one end of nut is connected with the lead screw, the other end of lead screw lets in the screwed pipe, the other end of lead screw with the screwed pipe passes through threaded connection, the other end of lead screw is connected with the circular cone piece, first floor layer top inner wall is fixed with first spacing pipe, the inner wall is fixed with second floor layer bottom, first spacing pipe and first spacing pipe are provided with the first spacing fixed pin, and the inclined plane.

Furthermore, a third limiting pipe is fixed on the inner wall of one side in the first floor layer, and a fourth limiting pipe is reserved on the inner wall of one side of the pre-installed concrete layer.

Furthermore, a second fixing pin is arranged in the third limiting pipe and the fourth limiting pipe.

Furthermore, a plurality of embedded steel bars are communicated in the first floor layer and the second floor layer, and one ends of the embedded steel bars extend into the wall body.

Furthermore, a steel bar keel frame formed by a plurality of steel bars is arranged in the supporting layer, and one end of the steel bar keel frame also extends into the wall body.

Furthermore, a plurality of grouting openings are reserved on one sides of the tops of the first floor layer and the second floor layer.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a supporting layer and pre-installation concrete layer pre-installation, the rethread is floor layer upon layer upwards to be connected fixedly, makes installing that pre-installation stair can be stable on supporting layer and pre-installation concrete layer through first fixed pin, second fixed pin and a plurality of spacing pipe fixed coordination, has improved work efficiency, safe and reliable.

Drawings

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

Fig. 1 is a schematic structural view of a pre-assembled stair connection structure according to an embodiment of the present invention;

fig. 2 is a front sectional view of a pre-assembled stair connection structure according to an embodiment of the present invention.

Reference numerals:

1. a support layer; 2. a first floor layer; 3. a second floor layer; 4. a grouting port; 5. pre-installing a concrete layer; 6. a threaded pipe; 7. a groove; 8. a nut; 9. a screw rod; 10. a conical block; 11. a first limit tube; 12. a second limiting pipe; 13. a first fixing pin; 14. a third limiting pipe; 15. a fourth limit pipe; 16. a second fixing pin; 17. embedding reinforcing steel bars in advance; 18. a steel bar keel frame.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

please refer to fig. 1-2, according to the embodiment of the present invention, a pre-installed stair connection structure includes a supporting layer 1, a first floor layer 2, a second floor layer 3 and a pre-installed concrete layer 5, the first floor layer 2 is disposed at the bottom of the top in the supporting layer 1, the second floor layer 3 is disposed on one side of the top of the first floor layer 2, the first floor layer 2 and the second floor layer 3 are both in the shape of "L", the pre-installed concrete layer 5 is disposed between the supporting layer 1, the first floor layer 2 and the second floor layer 3, threaded pipes 6 are disposed in the first floor layer 2 and the second floor layer 3, one end of each threaded pipe 6 is fixed on the inner wall of the first floor layer 2 or the second floor layer 3, one end of each threaded pipe 6 is communicated with a groove 7, one side of the outer side of the groove 7 is provided with a nut 8, one end of the nut 8 is connected with a lead screw 9, the other end of the lead screw 9 is introduced into the threaded pipe 6, the other end of the threaded pipe 9 is connected with a screw rod 6 through a threaded connection, the other end of the first floor layer 9 is connected with a first limit block 10, one end of the first floor layer 2 is fixed with a first limit pin 12, and one end of the second floor layer 12 is fixed with a limit pin 12, and one end of the inner wall of the second floor pipe is disposed in the.

Through the above technical scheme of the utility model, one side inner wall is fixed with the spacing pipe of third 14 in the first floor layer 2, leave the spacing pipe of fourth 15 in the 5 one side inner walls of prepackage concrete layer, be provided with second fixed pin 16 in the spacing pipe of third 14 and the spacing pipe of fourth 15, it has a plurality of embedded bar 17 to lead to in first floor layer 2 and the second floor layer 3, embedded bar 17's one end extends to in the wall, be provided with the reinforcing bar keel frame 18 that a plurality of reinforcing bars are constituteed in the supporting layer 1, reinforcing bar keel frame 18's one end also extends to in the wall, and embedded bar and reinforcing bar keel frame extend to and play good fixed action in the wall, a plurality of slip casting mouth 4 all leaves on one side of first floor layer 2 and the 3 tops of second floor layer, make things convenient for later stage filling concrete.

When the concrete application is carried out, the steel bar keel frame 18 extends out of a wall body according to the size, the supporting layer 1 is arranged outside the steel bar keel frame 18, concrete is poured to enable the steel bar keel frame 18 and the concrete to be solidified and formed, the first floor layer 2 is arranged at the bottommost part of the supporting layer 1, the embedded steel bars 17 are led into the first floor layer 2 from the wall body, the concrete is poured in an included angle area between the first floor layer 2 and the inclined supporting layer 1, the fourth limiting pipe 15 is reserved at a position, close to the third limiting pipe 14, in the pre-installed concrete layer 5, the fourth limiting pipe 15 and the pre-installed concrete layer 5 are integrally formed, at the moment, the nut 8 on one side of the first floor layer 2 is rotated, the nut 8 drives the screw rod 9 to rotate in the threaded pipe 6, the conical block 10 moves rightwards to extrude the inclined plane at the bottom of the first fixing pin 13, the second fixing pin 16 is extruded at the same time, and finally the, the other end of second fixed pin 16 lets in the spacing pipe 15 of fourth, pour the concrete to the slip casting mouth of first floor layer 2 after that, the concrete, the shaping is solidified to the part in embedded bar 17 and the first floor layer 2, the spacing pipe 12 of second in the second floor layer 3 aims at first fixed pin 13 on the first floor layer 2 and connects on first floor layer 2, embedded bar 17 lets in second floor layer 3 from the wall body, contained angle region pouring concrete between second floor layer 3 and the supporting layer 1 of slope, analogize in proper order, the completion is to the assembly of stair.

Finally, it should be noted that: although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pre-installation stair connection structure, its characterized in that, including supporting layer (1), first floor layer (2), second floor layer (3) and pre-installation concrete layer (5), top bottommost is provided with first floor layer (2) in supporting layer (1), first floor layer (2) top one side is provided with second floor layer (3), first floor layer (2) and second floor layer (3) appearance are "L" type, be provided with pre-installation concrete layer (5) between first floor layer (1), first floor layer (2) and second floor layer (3), all be provided with screwed pipe (6) in first floor layer (2) and the second floor layer (3), screwed pipe (6) one end is fixed on the inner wall of first floor layer (2) or second floor layer (3), the one end intercommunication of screwed pipe (6) is fluted (7), one side outside recess (7) is provided with screw nut (8), the one end of nut (8) is connected with screw nut (9), the other end of screw rod (9) is fixed to the inner wall of first floor layer (6) and is provided with the screw rod (12), the first floor layer (11) top is connected with first screw rod (12) and the fixed pin (11), the inner wall of first floor layer (11) is connected with the screw rod (12), the first floor rod (11) the fixed pin, the screw rod (12) is connected with the inner wall of first screw rod (11) the first floor layer (11) the fixed pin, the screw rod (12) the inner wall.

2. A pre-installed stair connecting structure according to claim 1, wherein a third limiting pipe (14) is fixed on the inner wall of the first floor layer (2), and a fourth limiting pipe (15) is left on the inner wall of the pre-installed concrete layer (5).

3. A pre-assembled staircase connection according to claim 2, characterised in that the third limiting tube (14) and the fourth limiting tube (15) are provided with second fixing pins (16).

4. The pre-installed stair connecting structure according to claim 1, wherein a plurality of pre-embedded steel bars (17) are arranged in the first floor layer (2) and the second floor layer (3) in a communicating manner, and one ends of the pre-embedded steel bars (17) extend into the wall body.

5. A pre-installed stair connecting structure according to claim 1, wherein a steel bar keel frame (18) consisting of a plurality of steel bars is arranged in the supporting layer (1), and one end of the steel bar keel frame (18) also extends into the wall body.

6. A pre-assembled staircase connection according to claim 1 or 4, characterised in that the first (2) and second (3) floor level are provided with grouting openings (4) on each side of the top.