CN214195296U - Novel concrete prefabricated staircase - Google Patents
Novel concrete prefabricated staircase Download PDFInfo
- Publication number
- CN214195296U CN214195296U CN202023197379.XU CN202023197379U CN214195296U CN 214195296 U CN214195296 U CN 214195296U CN 202023197379 U CN202023197379 U CN 202023197379U CN 214195296 U CN214195296 U CN 214195296U
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- stair
- bearing
- groove
- bearing beam
- mounting
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- 239000004567 concrete Substances 0.000 title description 6
- 239000011178 precast concrete Substances 0.000 claims abstract description 13
- 239000004566 building material Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The application relates to a novel precast concrete stair, its characterized in that: comprises a bearing beam and a stair board erected on the bearing beam; one end of the bearing beam is arranged in a downward inclined mode; bearing platforms are arranged at two ends of the bearing beam; the bearing beam is provided with a mounting groove corresponding to the stair boards. The stair boards can be directly laid on the bearing beams, the stair boards and the bearing beams are prefabricated pieces, and the stair boards and the bearing beams can be directly installed, so that the stairs can be quickly lapped, the building period of the stairs is shortened, and building material resources are saved.
Description
Technical Field
The application relates to the field of building supplies, especially, relate to a novel precast concrete stair.
Background
At present, in the building construction process, stairs need to be built among floors. The common stair building method is manufactured by site construction, but the stair building method has the defect of long construction period, and the manufacturing process of the stair generates waste of building materials such as concrete and is not beneficial to resource saving.
SUMMERY OF THE UTILITY MODEL
In order to reduce the construction cycle of stair, practice thrift building materials resource, this application provides a novel precast concrete stair.
The application provides a novel precast concrete stair adopts following technical scheme:
the novel concrete prefabricated staircase comprises a bearing beam and a stair board erected on the bearing beam; one end of the bearing beam is arranged in a downward inclined mode; bearing platforms are arranged at two ends of the bearing beam; the bearing beam is provided with a mounting groove corresponding to the stair boards.
By adopting the technical scheme, the bearing platform is pre-installed on a building, and then the end part of the bearing beam is installed on the bearing platform; the stair boards can be directly laid on the bearing beams, and the stair boards and the bearing beams are prefabricated members and can be directly installed on the stair boards and the bearing beams, so that the rapid lap joint stairs are achieved. And the mounting groove can be fixed a position the stair tread, the quick installation of stair tread of being convenient for to can guarantee the installation accuracy of stair tread. The building period of the stairs is reduced, and building material resources are saved.
Preferably, the spandrel girder includes two opposite main girders, is provided with the strutbeam between two main girders, and the strutbeam is parallel with the main girder.
Through adopting above-mentioned technical scheme, girder and strutbeam are independent each other to in transporting the spandrel girder, and the strutbeam can play the supporting role to the stair board, guarantee the intensity of stair.
Preferably, both ends of each main beam are provided with a connecting beam, and the connecting beams are positioned between the two main beams; the two ends of the connecting beam are both provided with first limiting grooves, and the main beam is clamped and matched with the first limiting grooves; and a second limiting groove is formed in the position, corresponding to the support beam, of the connecting beam, and the support beam is in clamping fit with the second limiting groove.
Through adopting above-mentioned technical scheme, the tie-beam can guarantee to the relative position between girder tip and the strutbeam tip to guarantee the precision of girder and strutbeam installation, so that guarantee the quick installation of stair.
Preferably, the mounting groove comprises a first groove arranged on the main beam and a second groove arranged on the branch beam; the opposite ends of the two first grooves are both provided with openings, and the opposite ends of the two first grooves are both sealed; and openings are formed at two ends of the second groove.
Through adopting above-mentioned technical scheme, first recess can fix a position the both ends of stair tread to guarantee the installation accuracy of stair tread.
Preferably, mounting columns are arranged at two ends of the bearing beam and are positioned below the bearing beam; and the bearing platform is provided with a mounting hole corresponding to the mounting column.
Through adopting above-mentioned technical scheme, the erection column can be directly with the cooperation of pegging graft of mounting hole to in the quick installation of spandrel girder, and can guarantee the installation accuracy.
Preferably, the mounting column is arranged in a frustum shape, and the large end of the mounting column is connected with the bearing beam.
Through adopting above-mentioned technical scheme, the main aspects and the spandrel girder of erection column are connected, can guarantee to have sufficient joint strength between spandrel girder and the erection column, guarantee the intensity of stair.
Preferably, a connecting column is further arranged at one end, facing the supporting beam, of the stair board, and a connecting hole in splicing fit with the connecting column is formed in the bearing beam.
Through adopting above-mentioned technical scheme, spliced pole and connecting hole are pegged graft and are cooperated, and the stair board can be installed to the spandrel girder on to the quick installation of stair board.
Preferably, the width of the mounting groove is smaller than that of the stair tread, and one side of one end of the mounting groove, which is inclined downwards towards the bearing beam, is provided with an opening;
a clamping groove is formed in one side of the stair tread in the length direction and is positioned on the upper end face of the stair tread; and a clamping block corresponding to the clamping groove in shape is arranged on the other side of the stair tread, and the clamping block is positioned on the lower end surface of the stair tread.
Through adopting above-mentioned technical scheme, the side stair board of going up can extend to downside stair board top to the fixture block is connected with the draw-in groove, thereby makes two adjacent stair board interconnect, thereby promotes the stability of stair board installation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the bearing platform is pre-installed on a building, the end part of the bearing beam is directly placed on the bearing platform, and the stair plates are directly placed on the bearing beam, so that the construction of the rear stair can be completed, and the installation process is simple and rapid; because the stair plates and the bearing beams are prefabricated parts, the stairs can be quickly lapped, the building period of the stairs is shortened, and building material resources are saved;
2. the mounting groove can position the stair plates, and the mounting precision of the stair plates can be ensured; the connecting beam can ensure the relative position between the end part of the main beam and the end part of the supporting beam, and ensure the mounting precision of the main beam and the supporting beam; the mounting columns are arranged at the two ends of the bearing beam, so that the overall mounting precision of the bearing beam can be ensured;
3. when the stair boards are installed on the bearing beams; the upper stair tread can extend to the upper portion of the lower stair tread, and the clamping blocks are connected with the clamping grooves, so that the two adjacent stair treads are connected with each other, and the stability of installation of the stair treads is improved.
Drawings
FIG. 1 is a schematic structural diagram of a novel concrete prefabricated staircase in the embodiment of the application;
FIG. 2 is a schematic structural view of a load beam;
FIG. 3 is a top view of a partially exploded structure of a prefabricated staircase;
fig. 4 is a bottom view of a partially exploded structure of a prefabricated staircase.
In the drawings, the reference numbers: 1. a spandrel girder; 11. a main beam; 12. supporting a beam; 13. a connecting beam; 131. a first limit groove; 132. a second limit groove; 14. mounting grooves; 141. a first groove; 142. a second groove; 15. mounting a column; 16. connecting holes; 2. a stair tread; 21. connecting columns; 22. a card slot; 23. a clamping block; 3. a load-bearing platform; 31. and (7) installing holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses novel precast concrete stair. Referring to fig. 1, the novel concrete prefabricated staircase comprises two bearing platforms 3, a bearing beam 1 arranged between the two bearing platforms 3 and a stair tread 2 arranged on the bearing beam 1. One end of the bearing beam 1 inclines upwards, and the other end of the bearing beam 1 inclines downwards, so that the bearing beam 1 forms a certain gradient. One of the bearing platforms 3 is positioned at the lower side of the upward inclined end of the bearing beam 1, and the other bearing platform 3 is positioned at the lower side of the downward inclined end of the bearing beam 1.
Referring to fig. 1 and 2, the bearing beam 1 includes two main beams 11 parallel to each other, and the two main beams 11 are disposed opposite to each other. Two supporting beams 12 are arranged between the two main beams 11, and the two supporting beams 12 are parallel to the main beams 11. Both ends of the main beam 11 are provided with connecting beams 13. The connecting beam 13 is provided with two first limiting grooves 131 and two second limiting grooves 132. The two first limiting grooves 131 correspond to the ends of the two main beams 11 one by one, and the first limiting grooves 131 are in clamping fit with the ends of the main beams 11. The two second limiting grooves 132 correspond to the ends of the two support beams 12 one by one, and the ends of the support beams 12 are in clamping fit with the second limiting grooves 132, so that the connecting beam 13 can connect the support beams 12 and the main beam 11 with each other.
Referring to fig. 3 and 4, both ends of the main beam 11 and both ends of the outriggers 12 are provided with mounting posts 15, and the mounting posts 15 are located at the lower sides of the main beam 11 and the mass. The mounting post 15 is disposed in a frustum shape, and the large end of the mounting post 15 is connected to the mass and the corbel 12. The bearing platform 3 is provided with a mounting hole 31 matched with the mounting column 15, and when the mounting column 15 is matched with the mounting hole 31, the bearing beam 1 can be mounted on the bearing platform 3.
Referring to fig. 2, the upper side of the bearing beam 1 is provided with a plurality of mounting grooves 14, the mounting grooves 14 are arranged along the width direction of the bearing beam 1, and the mounting grooves 14 are sequentially arranged along the length direction of the bearing beam 1, so that the upper side of the bearing beam 1 is in a step shape. The mounting groove 14 includes a first groove 141 provided on the main beam 11 and a second groove 142 provided on the branch beam 12. The length of the mounting groove 14 is smaller than the width of the bearing beam 1, so that the opposite ends of the two first grooves 141 are open. Both ends of the second groove 142 are open.
Referring to fig. 3 and 4, the plurality of stair plates 2 are provided, and the plurality of stair plates 2 correspond to the plurality of mounting grooves 14 one by one. The length of the stair boards 2 is the same as the length of the installation groove 14, so that the stair boards 2 can be directly placed in the installation groove 14. The width of the stair boards 2 is larger than the width of the mounting groove 14, and the thickness of the stair boards 2 is equal to the depth of the mounting groove 14, so when a plurality of stair boards 2 are simultaneously placed on the bearing beam 1, the stair boards 2 near the upward-inclined end of the bearing beam 1 extend to the upper side of the stair boards 2 near the downward-inclined end of the bearing beam 1.
Referring to fig. 3 and 4, a clamping groove 22 is formed in one side of each stair tread 2 close to the upward inclined end of the bearing beam 1, and the clamping groove 22 is located at the upper end of the stair tread 2. One side of the stair board 2 close to the downward inclined end of the bearing beam 1 is provided with a fixture block 23, and the fixture block 23 is positioned at the lower end of the stair board 2. Consequently, be located the fixture block 23 on the stair tread 2 of upside and can with be located the draw-in groove 22 joint on the stair tread 2 of downside, make two adjacent stair treads 2 interconnect, effectively promote the stability of stair tread 2 installation.
Referring to fig. 3 and 4, the lower end of the stair plate 2 is further fixed with a connecting column 21, and the bottom wall of the mounting groove 14 is provided with a connecting hole 16 connected with the connecting column 21, so that the stair plate 2 can be directly fixed on the bearing beam 1 through the matching between the connecting column 21 and the connecting hole 16.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. Novel precast concrete stair, its characterized in that: comprises a bearing beam (1) and a stair board (2) erected on the bearing beam (1); one end of the bearing beam (1) is arranged in a downward inclined mode; both ends of the bearing beam (1) are provided with bearing platforms (3); the bearing beam (1) is provided with a mounting groove (14) corresponding to the stair tread (2).
2. The novel precast concrete stair of claim 1, wherein: the bearing beam (1) comprises two main beams (11) which are oppositely arranged, a branch beam (12) is arranged between the main beams (11), and the branch beam (12) is parallel to the main beams (11).
3. The novel precast concrete stair of claim 2, characterized in that: connecting beams (13) are arranged at two ends of each main beam (11), and the connecting beams (13) are positioned between the two main beams (11); two ends of the connecting beam (13) are respectively provided with a first limiting groove (131), and the main beam (11) is clamped and matched with the first limiting grooves (131); and a second limiting groove (132) is formed in the position, corresponding to the support beam (12), of the connecting beam (13), and the support beam (12) is in clamping fit with the second limiting groove (132).
4. The novel precast concrete stair of claim 2, characterized in that: the mounting groove (14) comprises a first groove (141) arranged on the main beam (11) and a second groove (142) arranged on the branch beam (12); the opposite ends of the two first grooves (141) are both provided with openings, and the opposite ends of the two first grooves (141) are both provided with a closed structure; both ends of the second groove (142) are opened.
5. The novel precast concrete stair of claim 1, wherein: mounting columns (15) are arranged at two ends of the bearing beam (1), and the mounting columns (15) are located below the bearing beam (1); the bearing platform (3) is provided with a mounting hole (31) corresponding to the mounting column (15).
6. The novel precast concrete stair of claim 5, wherein: the mounting column (15) is arranged in a frustum shape, and the large end of the mounting column (15) is connected with the bearing beam (1).
7. The novel precast concrete stair of claim 1, wherein: one end of the stair board (2) facing the supporting beam is further provided with a connecting column (21), and the bearing beam (1) is provided with a connecting hole (16) which is in plug-in fit with the connecting column (21).
8. The novel precast concrete stair of claim 1, wherein: the width of the mounting groove (14) is smaller than that of the stair tread (2), and the mounting groove (14) is arranged towards an opening at one side of one end, inclined downwards, of the bearing beam (1);
a clamping groove (22) is formed in one side of the stair tread (2) in the length direction, and the clamping groove (22) is located on the upper end face of the stair tread (2); a clamping block (23) corresponding to the clamping groove (22) in shape is arranged on the other side of the stair tread (2), and the clamping block (23) is located on the lower end face of the stair tread (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023197379.XU CN214195296U (en) | 2020-12-25 | 2020-12-25 | Novel concrete prefabricated staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023197379.XU CN214195296U (en) | 2020-12-25 | 2020-12-25 | Novel concrete prefabricated staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214195296U true CN214195296U (en) | 2021-09-14 |
Family
ID=77657705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023197379.XU Expired - Fee Related CN214195296U (en) | 2020-12-25 | 2020-12-25 | Novel concrete prefabricated staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214195296U (en) |
-
2020
- 2020-12-25 CN CN202023197379.XU patent/CN214195296U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210914 |