CN219863749U - Fully prefabricated reinforced concrete stair - Google Patents
Fully prefabricated reinforced concrete stair Download PDFInfo
- Publication number
- CN219863749U CN219863749U CN202321678459.8U CN202321678459U CN219863749U CN 219863749 U CN219863749 U CN 219863749U CN 202321678459 U CN202321678459 U CN 202321678459U CN 219863749 U CN219863749 U CN 219863749U
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- platform
- bench
- groove
- reinforced concrete
- tread
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 6
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 6
- 241001330002 Bambuseae Species 0.000 abstract description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 6
- 239000011425 bamboo Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001155433 Centrarchus macropterus Species 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The utility model provides a fully prefabricated reinforced concrete stair, and belongs to the technical field of building construction. This full precast reinforced concrete stair includes: bench, support section of thick bamboo, upper platform, lower platform, platform roof beam, the upper end of bench is connected and the lower extreme is connected the upper platform, the upper platform is connected with two sets of platform roof beams respectively with lower platform, wherein the through-hole is seted up to bench side, set up the support section of thick bamboo in the through-hole, the device is when alleviateing self weight, the support section of thick bamboo gives the certain compressive capacity of bench, the intensity of device has been increased, alleviate dead weight and make things convenient for the device transportation and installation, save the human cost, the device is connected with the first recess formation through the bench that upper and lower platform is close to each other that is adjacent staggered sets up promptly between the device, avoid on-the-spot wet test operation to be connected, effectively shorten the time limit for a project.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a fully prefabricated reinforced concrete stair.
Background
The reinforced concrete stairway has the advantages of firm and durable structure, wood saving, good fireproof performance, strong plasticity and the like, and is widely applied. The stairway can be divided into prefabricated assembly type and cast-in-situ integral type according to the construction mode. The cast-in-situ integral reinforced concrete stair has good integral rigidity, but large site construction quantity. The prefabricated reinforced concrete stairway is beneficial to saving templates and improving construction speed.
The prefabricated reinforced concrete stairway can be divided into a plate type stairway and a beam type stairway according to the form, the beam type stairway has more complicated appearance, the beam type stairway is more heavy in formwork and construction, the plate type stairway is the most widely used stairway form, the stress is simple, the construction is convenient, but the traditional prefabricated reinforced concrete stairway is large in self weight, the convenience and the convenience are poor in installation and transportation, in addition, each running stairway is connected in a wet operation mode, the construction period is prolonged, and the labor cost is high.
Disclosure of Invention
In order to make up for the defects, the utility model provides a fully prefabricated reinforced concrete stair, which aims to solve the problems that the prefabricated stair is large in self weight, poor in convenience and convenience in installation and transportation, wet operation modes are adopted for connection between every two stair runs, the construction period is relatively prolonged, and the labor cost is increased.
The utility model is realized in the following way:
the utility model provides a fully prefabricated reinforced concrete stair, comprising: the stair section consists of a plurality of stair boards in a ladder shape, a plurality of through holes are formed in the stair section, and the through holes penetrate through two sides of the stair section;
the outer walls of the supporting cylinders are closely attached to the inner walls of the through holes;
the lower platform is connected to the lower end of the bench, a first groove is formed in one side of the lower platform, and a plurality of second grooves are formed in the lower surface of the lower platform;
the upper platform is connected to the upper end of the bench, a first bulge is arranged on one side of the upper platform, and a plurality of third grooves are formed in the lower surface of the upper platform;
the two groups of platform beams are connected with the lower surface of the lower platform, one group of platform beams are connected with the lower surface of the upper platform, a fourth groove corresponding to the second groove is formed in the platform beams, and a fifth groove corresponding to the third groove is formed in the platform beams;
the connecting blocks are connected with the second groove and the fourth groove, and the connecting blocks are connected with the third groove and the fifth groove;
wherein, two adjacent groups of bench are crisscross to be distributed, and the upper platform of bench and the lower platform of another group of bench are connected with first arch through first recess.
Preferably, the second bulges are arranged on the two edges of the upper surface of each layer of tread of the ladder section.
Preferably, at least one hole is reserved on the upper surface of each layer of tread of the ladder section near two ends.
Preferably, the upper surface of each layer of tread of the ladder section is provided with an anti-slip strip.
Preferably, the bench, the upper platform and the lower platform are of an integrated structure.
The beneficial effects of the utility model are as follows: 1. the device sets up the through-hole at bench part, sets up the support section of thick bamboo in the through-hole, can effectively alleviate bench dead weight, and the support section of thick bamboo sets up simultaneously and supports with the bench in the through-hole is inside, increases the compressive capacity of bench.
2. The staggered arrangement between bench and bench, adjacent bench upper platform and lower platform are connected with first protruding interlock through first recess, have increased adjacent bench's joint strength, have avoided the connected mode that needs to be connected through wet operation such as cast in situ concrete between the adjacent bench, the device convenient to connect shortens the time limit for a project, saves the cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a plurality of combinations of fully prefabricated reinforced concrete stairways according to an embodiment of the present utility model;
fig. 2 is a schematic view of a fully prefabricated reinforced concrete stair structure according to an embodiment of the present utility model.
In the figure: 1 bench, 11 flier, 12 through-holes, 2 support section of thick bamboo, 3 lower platform, 31 first recess, 32 second recess, 4 upper platform, 41 first arch, 42 third recess, 5 platform roof beam, 51 fourth recess, 52 fifth recess, 6 connecting block, 7 second arch, 8 hole, 9 antislip strip.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the present utility model is further explained below with reference to the specific drawings.
It will be understood that when an element is referred to as being "fixed to" another element in this disclosure, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Examples
As shown in fig. 1-2, the present utility model provides an all-precast reinforced concrete stairway comprising: the ladder section 1, the supporting cylinder 2, the lower platform 3, the upper platform 4 and the platform beam 5, the ladder section 1 is formed by a plurality of step plates 11 in a ladder shape, a plurality of through holes 12 are formed in the ladder section 1, the through holes 12 penetrate through two sides of the ladder section 1, the outer wall of the supporting cylinder 2 is tightly attached to the inner wall of the through holes 12, in the embodiment, the through holes 12 are formed under each step plate 11 of the ladder section 1, the dead weight of the ladder section 1 can be effectively lightened, the supporting cylinder 2 is arranged in the through holes 12, the compressive capacity of the ladder section 1 can be enhanced, the supporting cylinder 2 is cylindrical and has a strong supporting function, the lower platform 3 is connected to the lower end of the ladder section 1, one side of the lower platform 3 is provided with a first groove 31, the lower surface of the lower platform 3 is provided with a plurality of second grooves 32, the upper platform 4 is connected to the upper end of the ladder section 1, one side of the upper platform 4 is provided with a first bulge 41, the lower surface of the upper platform 4 is provided with a plurality of third grooves 42, one group of the platform beams 5 is connected with the lower surface of the lower platform 3, the other group of the platform beams 5 is connected with the lower surface of the upper platform 4, a fourth groove 51 corresponding to the second groove 32 is arranged on the platform beams 5, a fifth groove 52 corresponding to the third groove 42 is arranged on the platform beams 5, the connecting block 6 is connected with the second groove 32 and the fourth groove 51, the connecting block 6 is connected with the third groove 42 and the fifth groove 52, wherein two adjacent groups of ladder sections 1 are distributed in a staggered manner, the upper platform 4 of the ladder section 1 and the lower platform 3 of the other group of ladder sections 1 are connected with the first bulge 41 through the first groove 31, and when the integral ladder sections 1 are connected with the upper and lower platforms on the platform beams 5, the upper and lower platforms of the adjacent staggered ladder sections 1 are embedded into the first groove 31 through the first bulge 41, the connecting block 6 is aligned in the integral groove formed by the second groove 32 and the fourth groove 51, preferably, the second groove 32 and the fourth groove 51 are in dovetail groove type structures, the connecting block 6 fixes the lower platform on the platform beam 6, and the connecting mode of connecting the upper platform 4 and the platform beam 5 by the connecting block 6 is preferably the same as the connecting mode of connecting the lower platform 3 and the platform beam 5.
In this embodiment, the stair section 1, the lower platform 3 and the upper platform 4 are preferably integrated, the strength of the device can be effectively increased, the pedal 11 of the stair section 1 is close to the reserved holes 8 at two ends, the stair section can be conveniently connected with the stair section through the holes 8 when the stair is mounted, the second protrusions 7 are arranged at the edges of two ends of the pedal 11, objects on the pedal 11 are prevented from falling from the edges of the stair section 1, further, the influence on users is caused, the anti-slip strips 9 are arranged on the upper surface of the pedal 11, the anti-slip strips 9 are preferably arranged at the edges of the pedal 11, the maximum opportunity contacts the soles of users, and the anti-slip effect is achieved
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A fully prefabricated reinforced concrete stairway, comprising:
the stair section consists of a plurality of stair boards in a ladder shape, a plurality of through holes are formed in the stair section, and the through holes penetrate through two sides of the stair section;
the outer walls of the supporting cylinders are closely attached to the inner walls of the through holes;
the lower platform is connected to the lower end of the bench, a first groove is formed in one side of the lower platform, and a plurality of second grooves are formed in the lower surface of the lower platform;
the upper platform is connected to the upper end of the bench, a first bulge is arranged on one side of the upper platform, and a plurality of third grooves are formed in the lower surface of the upper platform;
the two groups of platform beams are connected with the lower surface of the lower platform, one group of platform beams are connected with the lower surface of the upper platform, a fourth groove corresponding to the second groove is formed in the platform beams, and a fifth groove corresponding to the third groove is formed in the platform beams;
the connecting blocks are connected with the second groove and the fourth groove, and the connecting blocks are connected with the third groove and the fifth groove;
wherein, two adjacent groups of bench are crisscross to be distributed, and the upper platform of bench and the lower platform of another group of bench are connected with first arch through first recess.
2. A fully prefabricated reinforced concrete stairway according to claim 1, characterised in that the second protrusions are provided on both edges of the upper surface of each tread of the tread.
3. A fully prefabricated reinforced concrete stairway according to claim 1, characterised in that at least one hole is reserved on the upper surface of each tread of the tread adjacent to both ends.
4. A fully prefabricated reinforced concrete stairway according to claim 1, characterised in that the tread of each layer of tread of the tread is provided with a non-slip strip on its upper surface.
5. A fully prefabricated reinforced concrete stairway according to claim 1, characterised in that the tread is of unitary construction with the upper and lower landings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321678459.8U CN219863749U (en) | 2023-06-29 | 2023-06-29 | Fully prefabricated reinforced concrete stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321678459.8U CN219863749U (en) | 2023-06-29 | 2023-06-29 | Fully prefabricated reinforced concrete stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219863749U true CN219863749U (en) | 2023-10-20 |
Family
ID=88323555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321678459.8U Active CN219863749U (en) | 2023-06-29 | 2023-06-29 | Fully prefabricated reinforced concrete stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219863749U (en) |
-
2023
- 2023-06-29 CN CN202321678459.8U patent/CN219863749U/en active Active
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| GR01 | Patent grant |