CN220285210U - Precast concrete stair mosaic structure - Google Patents
Precast concrete stair mosaic structure Download PDFInfo
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- CN220285210U CN220285210U CN202321746655.4U CN202321746655U CN220285210U CN 220285210 U CN220285210 U CN 220285210U CN 202321746655 U CN202321746655 U CN 202321746655U CN 220285210 U CN220285210 U CN 220285210U
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- joint surface
- precast concrete
- pairs
- concrete stair
- steps
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 21
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model discloses a precast concrete stair splicing structure, which belongs to the field of spliced stairs, and comprises an upper landing plate, a plurality of steps and a lower landing plate, wherein the upper landing plate, the steps and the lower landing plate are connected through a plurality of bearing structures with the same structure, the upper landing plate, the steps and the lower landing plate are connected through a plurality of tensile structures with the same structure, the multistage steps of the precast concrete stair are divided into a plurality of steps for prefabrication, the precast concrete stair splicing structure is convenient to assemble and carry, and after the two adjacent steps are connected, the two mutually independent steps are connected through the tensile structures, so that certain tensile performance can be met, and the overall structural strength is better.
Description
Technical Field
The utility model relates to the field of spliced stairs, in particular to a precast concrete stair splicing structure.
Background
The precast concrete stairway is one of precast components with wider application of the fabricated building, and can effectively shorten the construction period and reduce the workload.
In order to improve the installation efficiency, the existing precast concrete stair is usually prefabricated in advance at the multi-stage step part of the stair, and then the stair is transported to the site to be directly spliced and installed, but the prefabricated multi-stage step part is large in overall size and not convenient to carry, so that a precast concrete stair splicing structure is provided to solve the problems.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the utility model aims to provide a precast concrete stair splicing structure, which is characterized in that a multi-stage step part of a precast concrete stair is divided into a plurality of steps to be precast, and two adjacent steps can be spliced through a bearing structure, so that certain bearing capacity can be met after the two adjacent steps are connected, meanwhile, the splicing and carrying are convenient, the splicing efficiency is improved, the two adjacent steps are connected through a tensile structure, certain tensile performance can be met after the two mutually independent steps are connected, the overall structural strength is better, reinforcement through a threaded through-screw is not needed, and the working efficiency is improved.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The precast concrete stair splicing structure comprises an upper platform plate, a plurality of step bodies and a lower platform plate, wherein the upper platform plate, the step bodies and the lower platform plate are connected through a plurality of bearing structures with the same structure, and the upper platform plate, the step bodies and the lower platform plate are connected through a plurality of tensile structures with the same structure;
the surface of the upper platform plate is provided with a tread I and a joint surface I, the surface of the lower platform plate is provided with a tread II and a joint surface II, the surface of the step body is provided with a tread III, an upper joint surface and a lower joint surface, and the bottom of the step body is also provided with an inclined plane;
the bearing structure comprises a plurality of opposite inserting columns which are respectively and fixedly connected to the second connecting surface and the plurality of upper connecting surfaces, and also comprises a plurality of opposite inserting holes which are respectively formed in the plurality of lower connecting surfaces and the first connecting surfaces;
the tensile structure comprises a plurality of clamping grooves which are arranged between the first tread surface and the third tread surface, between the third tread surface and the corresponding tread surface, and between the third tread surface and the second tread surface and have the same structure, and clamping blocks are clamped in the clamping grooves.
Furthermore, the plurality of opposite inserting holes positioned in the first connecting surface are all arranged in the horizontal direction, and the plurality of opposite inserting columns corresponding to the first connecting surface are all fixedly connected to one side of the upper connecting surface in the horizontal direction.
Furthermore, the plurality of opposite inserting posts positioned on the second side of the connecting surface are fixedly connected to the second side of the connecting surface in a horizontal direction, and the plurality of opposite inserting holes corresponding to the second side of the connecting surface are arranged in the lower connecting surface in a horizontal direction.
Further, the plurality of pairs of inserting posts between the step bodies are fixedly connected to one side of the upper connecting surface at an inclination angle, the plurality of pairs of inserting holes between the step bodies are formed in one side of the lower connecting surface at an inclination angle, and the inclination angles of the pairs of inserting posts and the inserting holes are parallel to the inclination angle of the inclined surface.
Further, the clamping groove structure is adapted to the clamping block structure.
Further, the depths of the inner walls of the clamping grooves near the side of the lower joint surface are larger than the depths of the inner walls of the clamping grooves near the side of the upper joint surface.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, the multi-stage step part of the precast concrete stair is divided into the plurality of step bodies for prefabrication, and the two adjacent step bodies can be assembled through the bearing structure, so that certain bearing capacity can be met after the two adjacent step bodies are connected, meanwhile, the assembly and the carrying are convenient, and the splicing efficiency is improved;
(2) This scheme is connected through tensile structure after connecting between two adjacent step bodies for can satisfy certain tensile properties after two mutually independent step body are connected, overall structure intensity is better, avoids later stage to take place the displacement and influences the security that mosaic structure used, and need not to consolidate through the form of screw thread through-pin, improves work efficiency.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a partially disassembled structure of an upper platen of the present utility model;
FIG. 3 is a schematic view of a partially disassembled structure of the lower deck plate of the present utility model;
fig. 4 is a schematic view of a disassembly structure between two adjacent steps of the present utility model.
The reference numerals in the figures illustrate:
1. an upper platform plate; 101. tread I; 102. a first joint surface;
2. a step body; 201. tread III; 202. an upper engagement surface; 203. a lower engagement surface; 204. an inclined plane;
3. a lower platform plate; 301. tread II; 302. a second joint surface;
4. a load bearing structure; 401. a column is inserted; 402. a jack is arranged;
5. a tensile structure; 501. a clamping groove; 502. and (5) clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Example 1:
referring to fig. 1-4, a precast concrete stair splicing structure comprises an upper platform plate 1, a plurality of step bodies 2 and a lower platform plate 3, wherein the upper platform plate 1, the step bodies 2 and the lower platform plate 3 are connected through a plurality of bearing structures 4 with the same structure, the upper platform plate 1, the step bodies 2 and the lower platform plate 3 are connected through a plurality of tensile structures 5 with the same structure, the surfaces of the upper platform plate 1 are provided with a first tread surface 101 and a first joint surface 102, the surfaces of the lower platform plate 3 are provided with a second tread surface 301 and a second joint surface 302, the surfaces of the step bodies 2 are provided with a third tread surface 201, an upper joint surface 202 and a lower joint surface 203, the bottoms of the step bodies 2 are also provided with inclined planes 204, the bearing structures 4 comprise a plurality of opposite inserting holes 402 respectively formed in the lower joint surface 203 and the first joint surface 102, the tensile structures 5 comprise a plurality of corresponding grooves 301 and a plurality of grooves 501 between the first tread surface 101 and the third tread surface 201, the third tread surface 201 and the third tread surface 501, and the third tread surface 501.
During installation, the lower platform plate 3 is fixed on the ground of a layer of room, then the step body 2 provided with the horizontal opposite jack 402 is spliced with the lower platform plate, a plurality of opposite plug posts 401 in the horizontal direction are inserted into the step body 2 of the horizontal opposite jack 402, and at the moment, the multi-stage step part splicing of the precast concrete stairway is carried out;
the steps 2 are butt-jointed in pairs through the bearing structure 4 on the basis of the steps 2, namely, one butt-jointed column 401 with an inclined angle is inserted into the other butt-jointed hole 402 with an inclined angle until the prefabricated concrete stair step part with the required step number or height is completed, then the steps 2 with the plurality of butt-jointed columns 401 at the top in the horizontal direction are inserted into the plurality of butt-jointed holes 402 in the horizontal direction of the upper platform plate 1 through the butt-jointed columns 401, and the upper platform plate 1 is fixed on the ground of a two-layer room, so that the steps are built;
in order to improve the stability of the splicing structure, the clamping blocks 502 of the tensile structure 5 are finally respectively clamped into a plurality of clamping grooves 501 between the first tread surface 101 and the third tread surface 201, between the third tread surface 201 and the corresponding third tread surface 201 and between the third tread surface 201 and the second tread surface 301, so that the tensile effect of the joint is improved.
Example 2:
in view of the above embodiment 1, as further described with reference to fig. 2-3, the plurality of opposite inserting holes 402 located in the first joint surface 102 are all opened horizontally, the plurality of opposite inserting columns 401 corresponding to the first joint surface 102 are all connected to the side of the upper joint surface 202 horizontally, the plurality of opposite inserting columns 401 located on the side of the second joint surface 302 are all connected to the side of the second joint surface 302 horizontally, the plurality of opposite inserting holes 402 corresponding to the second joint surface 302 are all opened in the side of the lower joint surface 203 horizontally, the plurality of opposite inserting columns 401 among the plurality of step bodies 2 are all connected to the side of the upper joint surface 202 horizontally, the plurality of opposite inserting holes 402 among the plurality of step bodies 2 are all opened at an inclined angle to the side of the lower joint surface 203, the inclined angles of the opposite inserting columns 401 and the inclined surfaces 204 are parallel, the structures of the clamping grooves 501 and the clamping blocks 502 are adapted, and the depth of the inner walls of the clamping grooves 501 near the side of the lower joint surface 203 is larger than the depth of the inner walls of the clamping grooves 501 near the side of the upper joint surface 202.
Through setting up bearing structure 4 to the spliced pole 401 and to jack 402's structural style, when convenient butt joint, also can improve the compressive effect after two adjacent step body 2 are connected, avoid the junction to take place the fracture, and through setting up tensile structure 5 into draw-in groove 501 and fixture block 502's structural style for two adjacent step body 2 are connected the tensile effect better, avoid the later stage to take place to remove the displacement, improve mosaic structure's security.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides a precast concrete stair mosaic structure, includes upper landing plate (1), a plurality of step body (2) and lower landing plate (3), its characterized in that: the upper platform plates (1), the step bodies (2) and the lower platform plates (3) are connected through a plurality of bearing structures (4) with the same structure, and the upper platform plates (1), the step bodies (2) and the lower platform plates (3) are connected through a plurality of tensile structures (5) with the same structure;
the surface of the upper platform plate (1) is provided with a tread I (101) and a joint surface I (102), the surface of the lower platform plate (3) is provided with a tread II (301) and a joint surface II (302), the surface of the step body (2) is provided with a tread III (201), an upper joint surface (202) and a lower joint surface (203), and the bottom of the step body (2) is also provided with an inclined surface (204);
the bearing structure (4) comprises a plurality of opposite inserting columns (401) which are respectively and fixedly connected to the second connecting surface (302) and the plurality of upper connecting surfaces (202), and the bearing structure (4) also comprises a plurality of opposite inserting holes (402) which are respectively arranged on the plurality of lower connecting surfaces (203) and the first connecting surface (102);
the tensile structure (5) comprises a plurality of clamping grooves (501) which are arranged between the first treading surface (101) and the third treading surface (201), between the third treading surface (201) and the corresponding third treading surface (201) and between the third treading surface (201) and the second treading surface (301) and have the same structure, and clamping blocks (502) are clamped in the clamping grooves (501).
2. A precast concrete stair splice structure according to claim 1, wherein: the plurality of pairs of jacks (402) positioned in the first joint surface (102) are all arranged in the horizontal direction, and the plurality of pairs of inserting columns (401) corresponding to the first joint surface (102) are all fixedly connected to one side of the upper joint surface (202) in the horizontal direction.
3. A precast concrete stair splice structure according to claim 1, wherein: the pairs of inserting posts (401) positioned on one side of the second joint surface (302) are fixedly connected to one side of the second joint surface (302) in a horizontal direction, and the pairs of inserting holes (402) corresponding to the second joint surface (302) are arranged in the lower joint surface (203) in a horizontal direction.
4. A precast concrete stair splice structure according to claim 1, wherein: the plurality of the pairs of inserting columns (401) between the plurality of the step bodies (2) are fixedly connected to one side of the upper connecting surface (202) at an inclination angle, the plurality of the pairs of inserting holes (402) between the plurality of the step bodies (2) are arranged on one side of the lower connecting surface (203) at an inclination angle, and the inclination angles of the pairs of inserting columns (401) and the pairs of inserting holes (402) are parallel to the inclination angle of the inclined surface (204).
5. A precast concrete stair splice structure according to claim 1, wherein: the clamping groove (501) is matched with the clamping block (502).
6. A precast concrete stair splice structure according to claim 1, wherein: the depth of the inner walls of the clamping grooves (501) near the side of the lower joint surface (203) is larger than that of the inner walls of the clamping grooves (501) near the side of the upper joint surface (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321746655.4U CN220285210U (en) | 2023-07-04 | 2023-07-04 | Precast concrete stair mosaic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321746655.4U CN220285210U (en) | 2023-07-04 | 2023-07-04 | Precast concrete stair mosaic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220285210U true CN220285210U (en) | 2024-01-02 |
Family
ID=89327982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321746655.4U Active CN220285210U (en) | 2023-07-04 | 2023-07-04 | Precast concrete stair mosaic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220285210U (en) |
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2023
- 2023-07-04 CN CN202321746655.4U patent/CN220285210U/en active Active
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