CN212358903U

CN212358903U - Prefabricated stair node structure of assembled antidetonation

Info

Publication number: CN212358903U
Application number: CN201922068333.9U
Authority: CN
Inventors: 李堂飞
Original assignee: Qingdao Xinhuayou Construction Group Co Ltd
Current assignee: Qingdao Xinhuayou Construction Group Co Ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2021-01-15
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses an assembled prefabricated stair node structure of antidetonation, which comprises a template, one side of template is equipped with the poured concrete layer, the inside on poured concrete layer is equipped with first reinforcing bar stratum reticulare, first reinforcing bar stratum reticulare is kept away from one side of template is equipped with second reinforcing bar stratum reticulare, second reinforcing bar stratum reticulare with be equipped with a plurality of first stiffeners between the first reinforcing bar stratum reticulare, one side of first stiffener all is equipped with the second stiffener, first stiffener with through fixed pin fixed connection between the second stiffener, it keeps away from to pour concrete layer one side of template is equipped with first terraced platform and second terraced platform respectively, first terraced platform with set up between the second terraced platform in turn, first terraced platform with be equipped with the antidetonation device between the second terraced platform. Has the advantages that: the device simple structure facilitates the use operation, can play shock-resistant effect simultaneously between the stair node, and its bearing capacity of great increase increases the intensity of stair.

Description

Prefabricated stair node structure of assembled antidetonation

Technical Field

The utility model relates to a building design field particularly, relates to an assembled antidetonation prefabricated staircase node structure.

Background

The cast-in-place reinforced concrete stairway is also called an integral reinforced concrete stairway. The prefabricated staircase node structure is formed by erecting a formwork, binding reinforcing steel bars and pouring concrete on a construction site, but the cast-in-place reinforced concrete staircase has the problems of low strength and poor anti-seismic effect, and when the cast-in-place reinforced concrete staircase is subjected to larger bearing force, the node between the step and the step can be broken, so that potential safety hazards exist, and the prefabricated staircase node structure is necessary to provide the prefabricated staircase node structure for assembly type anti-seismic to solve the problems.

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 an assembled antidetonation prefabricated staircase node structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an assembled anti-seismic prefabricated stair node structure comprises a template, wherein a poured concrete layer is arranged on one side of the template, a first reinforcing steel bar net layer is arranged inside the poured concrete layer, a second reinforcing steel bar net layer is arranged on one side, away from the template, of the first reinforcing steel bar net layer, a plurality of first reinforcing rods are arranged between the second reinforcing steel bar net layer and the first reinforcing steel bar net layer, second reinforcing rods are arranged on one sides of the first reinforcing rods, the first reinforcing rods and the second reinforcing rods are fixedly connected through fixing pins, a first step and a second step are respectively arranged on one side, away from the template, of the poured concrete layer, the first step and the second step are alternately arranged, an anti-seismic device is arranged between the first step and the second step, the anti-seismic device comprises a trapezoidal fixing block, the trapezoidal fixing block is respectively arranged on one side of the first step and one side of the second step, the trapezoidal fixed blocks are connected through expansion bolts.

Furthermore, one side of first halfpace with the second halfpace all is equipped with the strengthening rib net, fixed connection between the strengthening rib net, the strengthening rib net with pour concrete layer fixed connection.

Furthermore, the trapezoidal fixed block is fixedly connected with one side of the reinforcing rib net.

Further, the both sides of template are all fixed and are equipped with the platform roof beam, the fixed landing slab that is equipped with in one side of platform roof beam, the mounting hole has been seted up on the landing slab.

Furthermore, an anti-seismic plate is fixedly sleeved on the expansion bolt between the trapezoidal fixed blocks.

Furthermore, a compression spring is sleeved on the expansion bolt between the anti-seismic plate and the trapezoidal fixed block.

Compared with the prior art, the utility model discloses following beneficial effect has:

be located the inside of pouring concrete through one side at the template and be equipped with first reinforcing bar stratum reticulare and second reinforcing bar stratum reticulare and increased the intensity of pouring shaping back stair, it can increase to be connected for stability between the two to be equipped with first stiffener and second stiffener simultaneously between first reinforcing bar stratum reticulare and second reinforcing bar stratum reticulare, increase the intensity of stair simultaneously, increase the bearing capacity of stair, it can play the antidetonation effect between first terrace and the second terrace to locate the antidetonation device between first terrace and the second terrace, the antidetonation device can play the firm effect of buffering when first terrace and second terrace bear great power, great increase the security of use, the device simple structure, facilitate the use and operation, can play the antidetonation effect simultaneously between the stair node, great increase its bearing capacity, increase the intensity of stair.

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 an assembled earthquake-proof prefabricated staircase node structure according to an embodiment of the present invention;

fig. 2 is an enlarged view at a in fig. 1.

Reference numerals:

1. a template; 2. pouring a concrete layer; 3. a first reinforcing mesh layer; 4. a second reinforcing mesh layer; 5. a first reinforcement bar; 6. a second reinforcement bar; 7. a fixing pin; 8. a first landing; 9. a second landing; 10. a trapezoidal fixed block; 11. an expansion bolt; 12. a reinforcing rib net; 13. a platform beam; 14. a platform plate; 15. mounting holes; 16. a seismic plate; 17. compressing the spring.

Detailed Description

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

the first embodiment is as follows:

referring to fig. 1-2, an assembled earthquake-proof prefabricated staircase joint structure according to an embodiment of the present invention includes a formwork 1, a poured concrete layer 2 is disposed on one side of the formwork 1, a first reinforcement mesh layer 3 is disposed inside the poured concrete layer 2, a second reinforcement mesh layer 4 is disposed on one side of the first reinforcement mesh layer 3 away from the formwork 1, a plurality of first reinforcing rods 5 are disposed between the second reinforcement mesh layer 4 and the first reinforcement mesh layer 3, second reinforcing rods 6 are disposed on one side of the first reinforcing rods 5, the first reinforcing rods 5 and the second reinforcing rods 6 are fixedly connected by fixing pins 7, a first terrace 8 and a second terrace 9 are disposed on one side of the poured concrete layer 2 away from the formwork 1, the first terrace 8 and the second terrace 9 are alternately disposed, and an earthquake-proof device is disposed between the first terrace 8 and the second terrace 9, the anti-seismic device comprises trapezoidal fixed blocks 10, the trapezoidal fixed blocks 10 are respectively arranged on one sides of the first step 8 and the second step 9, the trapezoidal fixed blocks 10 are connected through expansion bolts 11, the strength of the stair after pouring is improved by arranging the first reinforcing steel mesh layer 3 and the second reinforcing steel mesh layer 4 in the poured concrete layer 2 on one side of the template 1, meanwhile, the stability of connection between the first reinforcing steel mesh layer 3 and the second reinforcing steel mesh layer 4 can be improved by arranging the first reinforcing rod 5 and the second reinforcing rod 6 between the first reinforcing steel mesh layer 3 and the second reinforcing steel mesh layer 4, the strength of the stair is improved, the bearing capacity of the stair is improved, the anti-seismic device arranged between the first step 8 and the second step 9 can play a role in anti-seismic between the first step 8 and the second step 9, and the anti-seismic device can play a role in buffering and stabilizing when the first step 8 and the second step 9 bear larger force, great increase the security of use, the device simple structure facilitates the use operation, can play shock-resistant effect simultaneously between the stair node, great increase its bearing capacity, increase the intensity of stair.

Example two:

referring to fig. 1-2, for the first step 8, a reinforcing rib net 12 is arranged on one side of each of the first step 8 and the second step 9, the reinforcing rib nets 12 are fixedly connected with each other, the reinforcing rib net 12 is fixedly connected with the poured concrete layer 2, and a reinforcing rib net 12 surface is arranged on one side of each of the first step 8 and the second step 9 to increase the strength of the trapezoidal surface; for the trapezoidal fixing block 10, the trapezoidal fixing block 10 is fixedly connected with one side of the reinforcing rib net 12, and the trapezoidal fixing block 10 is fixedly connected with the reinforcing rib net 12, so that the trapezoidal fixing block 10 can be fixed before being poured; for the template 1, platform beams 13 are fixedly arranged on two sides of the template 1, a platform plate 14 is fixedly arranged on one side of each platform beam 13, mounting holes 15 are formed in the platform plates 14, the platform beams 13 can support the stairs, the platform plates 14 facilitate steering connection between the stairs, the steering reverse direction is increased, and meanwhile, the mounting holes 15 facilitate connection between the platform plates 14 and a wall body or a support column; for the trapezoidal fixed blocks 10, anti-seismic plates 16 are fixedly sleeved on the expansion bolts 11 between the trapezoidal fixed blocks 10, and the anti-seismic plates 16 can play an anti-seismic role between the trapezoidal fixed blocks 10; for the anti-seismic plate 16, a compression spring 17 is sleeved on the expansion bolt 11 between the anti-seismic plate 16 and the trapezoidal fixed block 10, and when the compression spring 17 can bear force between the trapezoidal fixed blocks 10, the compression spring 17 can play a role of a shock absorption cushion.

To sum up, with the aid of the above technical scheme of the utility model, for the convenient understanding the above technical scheme of the utility model, just below the utility model discloses theory of operation or the mode of operation at the actual process carry out the detailed description:

in practical application, the first reinforcing mesh layer 3 and the second reinforcing mesh layer 4 are arranged inside the poured concrete layer 2 on one side of the template 1, so that the strength of the poured stair is improved, meanwhile, the first reinforcing rod 5 and the second reinforcing rod 6 are arranged between the first reinforcing mesh layer 3 and the second reinforcing mesh layer 4, so that the connection stability between the first reinforcing mesh layer and the second reinforcing mesh layer can be improved, the strength of the stair is improved, the bearing capacity of the stair is improved, the anti-seismic device is arranged between the first terrace 8 and the second terrace 9, the expansion bolt 11 in the anti-seismic device can improve the connection stability between the trapezoidal fixed blocks 10, meanwhile, when the first terrace 8 bears a large force, the first terrace 8 can sink, at the moment, the anti-seismic plate 16 and the compression spring 17 between the trapezoidal fixed blocks 10 can play a role in shock absorption, so that the anti-seismic strength is improved, and an anti-seismic effect can be played between the first terrace 8 and the second terrace 9, the anti-seismic device can play the firm effect of buffering when first halfpace 8 and second halfpace 9 bear great power, great increase the security of using, the device simple structure facilitates the use operation, can play shock-resistant effect simultaneously between the stair node, great its bearing capacity of increase increases the intensity of stair.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The prefabricated staircase node structure is characterized by comprising a template (1), wherein one side of the template (1) is provided with a poured concrete layer (2), a first reinforcing steel mesh layer (3) is arranged inside the poured concrete layer (2), one side, away from the template (1), of the first reinforcing steel mesh layer (3) is provided with a second reinforcing steel mesh layer (4), a plurality of first reinforcing rods (5) are arranged between the second reinforcing steel mesh layer (4) and the first reinforcing steel mesh layer (3), one side of each first reinforcing rod (5) is provided with a second reinforcing rod (6), the first reinforcing rods (5) are fixedly connected with the second reinforcing rods (6) through fixing pins (7), one side, away from the template (1), of the poured concrete layer (2) is respectively provided with a first terrace (8) and a second terrace (9), first halfpace (8) with set up in turn between second halfpace (9), first halfpace (8) with be equipped with the antidetonation device between second halfpace (9), the antidetonation device includes trapezoidal fixed block (10), trapezoidal fixed block (10) are located respectively first halfpace (8) with one side of second halfpace (9), connect through expansion bolts (11) between trapezoidal fixed block (10).

2. An assembled earthquake-resistant prefabricated staircase knot structure as claimed in claim 1, characterized in that one side of each of said first and second landings (8, 9) is provided with a reinforcing mesh (12), said reinforcing meshes (12) being fixedly connected to each other, said reinforcing meshes (12) being fixedly connected to said poured concrete layer (2).

3. An assembled earthquake-resistant prefabricated staircase knot structure as claimed in claim 2, characterized in that said trapezoidal fixing blocks (10) are fixedly connected with one side of said reinforcing mesh (12).

4. An assembled earthquake-resistant prefabricated staircase joint structure as claimed in claim 3, wherein both sides of the formwork (1) are fixedly provided with platform beams (13), one side of the platform beams (13) is fixedly provided with platform plates (14), and the platform plates (14) are provided with mounting holes (15).

5. An assembled earthquake-resistant prefabricated staircase joint structure as claimed in claim 4, wherein earthquake-resistant plates (16) are fixedly sleeved on said expansion bolts (11) between said trapezoidal fixing blocks (10).

6. An assembled earthquake-resistant prefabricated staircase knot structure as claimed in claim 5, characterized in that compression springs (17) are sleeved on said expansion bolts (11) between said earthquake-resistant plates (16) and said trapezoidal fixing blocks (10).