CN219343823U - Novel column-free special-shaped stair - Google Patents
Novel column-free special-shaped stair Download PDFInfo
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- CN219343823U CN219343823U CN202320611208.1U CN202320611208U CN219343823U CN 219343823 U CN219343823 U CN 219343823U CN 202320611208 U CN202320611208 U CN 202320611208U CN 219343823 U CN219343823 U CN 219343823U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
The utility model discloses a novel column-free special-shaped stair which comprises a plurality of stepping sections, a plurality of rest platforms, an inner side beam and an outer side beam, wherein the stepping sections are made of steel structures; the stepping sections and the rest platforms are alternately arranged at intervals, the inner sides of the stepping sections and the rest platforms are connected with the inner side beams, and the outer sides of the stepping sections and the rest platforms are connected with the outer side beams to jointly form a stair body; the upper end of the stair body is supported on the overhanging platform of the upper floor, and the lower end of the stair body is supported on the lower floor; the outside roof beam of stair body links to each other with upper portion floor entrance to a cave boundary beam through a plurality of pull rods. The beneficial effects of the utility model are as follows: the upper end of the stair body is connected with an upper floor, the lower end of the stair body is connected with a lower floor, the side part of the stair body is connected with the edge sealing beam of the hole through a suspender, and the pull rod can be hidden in a suspended ceiling on the side surface of the upper floor; the whole stair is simple and beautiful in structure, and the use space of the lower part of the stair is large.
Description
Technical Field
The utility model relates to a stair structure, in particular to a novel column-free special-shaped stair.
Background
Along with the diversification development of building forms, the opening of an irregular elliptic-like opening on the upper floor becomes a common means of building design. In order to meet the requirement of vertical traffic, stairs for connecting up and down floors are usually arranged around the edges of the holes, the planes of the stairs are irregular, and supporting structure columns are required to be arranged on a rest platform by adopting a conventional building stair structure so as to ensure the safety of the stair structure. However, the isolated stair structure posts are arranged in the open space, so that the attractiveness is influenced, and the use function of the space below the stairs is also influenced. Accordingly, there is a need for improvements over the prior art.
Disclosure of Invention
The utility model aims to provide a novel column-free special-shaped stair which is stable in structure and attractive in appearance and aims to overcome the defects of the prior art.
The utility model adopts the technical scheme that: a novel column-free special-shaped stair comprises a plurality of stepping sections, a plurality of rest platforms, an inner side beam and an outer side beam which are made of steel structures; the stepping sections and the rest platforms are alternately arranged at intervals, the inner sides of the stepping sections and the rest platforms are connected with the inner side beams, and the outer sides of the stepping sections and the rest platforms are connected with the outer side beams to jointly form a stair body; the upper end of the stair body is supported on the overhanging platform of the upper floor, and the lower end of the stair body is supported on the lower floor; the outside roof beam of stair body links to each other with upper portion floor entrance to a cave boundary beam through a plurality of pull rods.
According to the scheme, the suspended ceiling is installed on the side face of the upper floor opening, and the pull rod is arranged in the suspended ceiling on the side face of the upper floor opening.
According to the scheme, the stair body is of an arc-shaped structure, the middle part of the stair body is provided with a corner, and the outer side beams at the front end and the rear end of the corner are respectively provided with hanging points connected with the pull rod.
According to the scheme, the rest platform adopts a box-shaped structure and comprises a platform top plate and a platform bottom plate, wherein the platform top plate is parallel to the platform bottom plate and is arranged up and down, the end parts of the platform top plate and the platform bottom plate are respectively connected with an inner side beam and an outer side beam on two sides, and the platform top plate, the platform bottom plate, the inner side beam and the outer side beam are enclosed to form an inner hollow structure; a surface layer is arranged on the platform top plate.
According to the scheme, a plurality of stiffening ribs are arranged between the platform top plate and the platform bottom plate.
According to the scheme, the step section adopts a double-layer step structure, and two sides of the double-layer step structure are respectively connected with the inner side beam and the outer side beam.
According to the scheme, the stepping section comprises an upper stepping plate, an upper vertical plate, a lower stepping plate and a lower vertical plate, wherein the upper stepping plate and the upper vertical plate are alternately arranged at intervals and are sequentially connected to form an upper stepping section; the lower-layer stepping plates and the lower-layer vertical plates are alternately arranged at intervals and are sequentially connected to form a lower-layer stepping section; the upper stepping section and the lower stepping section are arranged in an up-down pair; each three stepping plates are provided with a vertical plate connecting plate for connecting the upper stepping section and the lower stepping section; and two ends of the upper layer of pedal plate, the upper layer of vertical plate, the lower layer of pedal plate, the lower layer of vertical plate and the vertical plate connecting plate are respectively connected with the inner side beam and the outer side beam.
According to the scheme, a plurality of upper supporting points are arranged on the cantilever platform, the first embedded part is embedded in the upper supporting points, the first embedded part is connected with the support, and the upper end of the stair body is arranged on the support.
According to the scheme, a plurality of lower supporting points are arranged on the lower floor, the second embedded part is embedded at the lower supporting points, and the lower end of the stair body is connected with the second embedded part.
According to the scheme, the upper end structure of the stair body connected with the upper floor overhanging platform is a rest platform; the lower end structure of the stair body connected with the lower floor is a stepping section.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the stair body adopts a steel structure, the upper end of the stair body is connected with the cantilever platform of the upper floor, the lower end of the stair body is connected with the lower floor, and the side part of the stair body is connected with the edge sealing beam of the opening through the suspender, so that a stable structural stress system is formed, and the pull rod can be hidden in a suspended ceiling on the side surface of the upper floor; the structure can avoid the arrangement of the stair structural column in the middle of the existing special-shaped stair, the whole stair is simple and attractive in structure, and the use space of the lower part of the stair is large.
2. According to the utility model, the hanging rods are respectively arranged at the front end and the rear end of the corner of the stair structure, so that the strength of the stair is further improved, and the safety is ensured.
3. The rest platform adopts a box-shaped structure with good integrity, the design of the double-layer tread enhances the bending resistance and torsional rigidity of the whole stair structure, ensures that the hanging points biased at the side parts of the stair body can effectively reduce the vertical deformation of the whole stair structure, and enhances the walking comfort level of pedestrians.
4. According to the utility model, the cantilever platform is provided with the plurality of upper supporting points, and each upper supporting point supports the vertical counter force and the horizontal shearing force, so that the vertical and horizontal deformation of the stair body can be effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a schematic connection diagram of the cantilever platform and the upper end of the stair body in this embodiment.
Fig. 4 is a schematic structural view of the tread segment in this embodiment.
Wherein: 1. a overhanging platform; 2. an upper support point; 3. edge sealing beams of the hole; 4. a stepping section; 4.1, upper layer step plate; 4.2, upper vertical plates; 4.3, a lower layer pedal; 4.4, lower vertical plates; 4.5, connecting the vertical plates; 5. a rest platform; 6. an inner side beam; 7. an outer side beam; 8. a pull rod; 9. a lower support point; 10. the first embedded part; 11. a support; 12. a stiffening beam; 13. a surface layer; 14. stiffening plates; 15. a shear plate; 16. a lower floor; 17. stiffening ribs; 18. reinforcing ribs.
Detailed Description
For a better understanding of the present utility model, the present utility model is further described below with reference to the drawings and specific examples.
The upper floor is provided with a hole, and the edge of the hole is provided with a hole edge sealing beam 3; stairs connected with the upper floor and the lower floor are arranged around the edge of the opening. The novel column-free special-shaped stair shown in fig. 2 comprises a plurality of stepping sections 4, a plurality of rest platforms 5, an inner side beam 6 and an outer side beam 7 which are made of steel structures; the tread segments 4 and the rest platforms 5 are alternately arranged at intervals, the surfaces of the tread segments 4 and the rest platforms 5 are provided with surface layers 13, the inner sides of the tread segments 4 and the rest platforms 5 are connected with the inner side beams 6, and the outer sides of the tread segments 4 and the rest platforms 5 are connected with the outer side beams 7 to jointly form a stair body; the upper end of the stair body is supported on the overhanging platform 1 of the upper floor (the inner end of the overhanging platform 1 is connected with a side wall), and the lower end of the stair body is supported on the lower floor 16; the outside beam 7 of the stair body is connected with the edge sealing beam 3 of the upper floor opening through a plurality of pull rods 8, and the pull rods 8 are arranged in suspended ceilings (not shown in the drawing) on the side surface of the upper floor.
In the embodiment, an opening is formed in the upper floor, and an opening edge sealing beam 3 is arranged at the edge of the opening, which is of conventional design; the stairs connect the overhanging platform 1 of the upper floor to the lower floor 16. The stair body adopts a steel structure with lighter dead weight; the stepping section 4 and the rest platform 5 are both steel structures, the surfaces of the stepping section 4 and the rest platform 5 are both provided with a surface layer 13, and the surface layer 13 can be poured by 20mm fine stone concrete; the inner side beam 6 and the outer side beam 7 are steel beams; the pull rod 8 is a steel pull rod. The overhanging platform 1 of the upper floor (upper floor) is of a concrete structure, and the overhanging platform 1 is provided with a concrete structure plate so as to ensure the overall rigidity of the overhanging platform 1 in a plane. The lower extreme of stair body supports on lower floor 16, and the upper end of stair body supports on the platform of encorbelmenting 1 of upper portion floor (upper portion floor), and the middle part of stair body sets up two piece at least pull rods 8, and the one end of pull rod 8 links to each other with the outside roof beam 7 of stair body, and the other end of pull rod 8 links to each other with opening boundary beam 3, does not set up the stair structural column in addition.
Preferably, the stair body is of an arc-shaped structure, the middle part of the stair body is provided with a corner, and the outer side beams 7 at the front end and the rear end of the corner are respectively provided with hanging points connected with the pull rod 8.
In this embodiment, the plane corner of the stair body is 60 ° (the plane corner is the angle between the front end of the corner and the rear end of the corner when the stair body is projected on the horizontal plane), and the stair body is subjected to vertical load, if no stair structural column is provided, the safety requirement cannot be met; hanging points are respectively arranged on the outer side beams 7 at the front end and the rear end of the corner of the stair body and are hung on the edge sealing beam 3 at the opening through a pull rod 8, so that the vertical deformation of the stair under the use load can be effectively reduced, and the safety and the comfort of the stair body are improved.
Preferably, the rest platform 5 adopts a box structure with better integrity, and comprises a platform top plate and a platform bottom plate, wherein the platform top plate is parallel to the platform bottom plate and is arranged up and down, the ends of the platform top plate and the platform bottom plate are respectively connected with an inner side beam 6 and an outer side beam 7 on two sides, and the platform top plate, the platform bottom plate, the inner side beam 6 and the outer side beam 7 are enclosed to form an inner hollow structure; a plurality of stiffening ribs 17 are arranged between the platform top plate and the platform bottom plate to ensure the rigidity of the upper flange so as to bear the upper building decoration layer and the pedestrian load.
Preferably, the tread section 4 adopts a double-layer tread structure, and two sides of the double-layer tread structure are respectively connected with the inner side beam 6 and the outer side beam 7, so that the torsional rigidity and the vertical bending rigidity of the tread section 4 can be enhanced. As shown in fig. 4, the step section 4 comprises an upper step plate 4.1, an upper vertical plate 4.2, a lower step plate 4.3 and a lower vertical plate 4.4, wherein the upper step plate 4.1 and the upper vertical plate 4.2 are alternately arranged at intervals and are sequentially connected to form an upper step section, the surface of the upper step section is provided with a surface layer 13 poured by fine stone concrete, and reinforcing ribs 18 are arranged in the surface layer 13; the lower-layer stepping plates 4.3 and the lower-layer vertical plates 4.4 are alternately arranged at intervals and are sequentially connected to form a lower-layer stepping section; the upper stepping section and the lower stepping section are arranged in an up-down pair; a riser connection plate 4.5 for connecting the upper and lower tread segments is provided for every several tread plates (in this embodiment, riser connection plates 4.5 are provided for every three tread plates, specifically, riser connection plates 4.5 connect upper riser 4.2 and lower riser 4.4 which are opposite from each other. In the utility model, the two ends of the upper layer pedal plate 4.1, the upper layer vertical plate 4.2, the lower layer pedal plate 4.3, the lower layer vertical plate 4.4 and the vertical plate connecting plate 4.5 are respectively connected with the inner side beam 6 and the outer side beam 7.
Preferably, the upper end structure of the stair body connected with the upper floor overhanging platform 1 is a rest platform 5 (i.e. a box structure); the cantilever platform 1 is provided with a plurality of upper supporting points 2, the first embedded part 10 is embedded at the upper supporting points 2, the first embedded part 10 is connected with the support 11, the box-shaped structure at the upper end of the stair body is arranged on the cantilever platform 1 through the support 2, and the stiffening plate 14 and the shear plate 15 are arranged in the box-shaped structure. The specific number of the upper supporting points 2 can be determined according to the stress; in the embodiment, four corners of the overhanging platform 1 are provided with upper supporting points; the support may be a steel column.
Preferably, a plurality of lower supporting points 9 are arranged on the lower floor, the second embedded parts are embedded at the lower supporting points 9, and the lower end of the stair body is connected with the second embedded parts. In the embodiment, the lower end structure of the stair body connected with the lower floor 16 is a tread section 4; when the stair body span is great, lower supporting point 9 can adopt the same arrangement mode of upper supporting point 2, carries out more fulcrum constraint to the stair body, further reduces the vertical deformation of stair structure, guarantees safety.
The construction method of the embodiment comprises the following steps:
(1) Constructing a lower floor 16, and embedding a second embedded part (which can be a steel column) for supporting the lower end of the stair body;
(2) Performing construction on an upper floor, the overhanging platform 1 and the opening edge sealing beam 3, and embedding a first embedded part 10 and a pull rod 8;
(3) Prefabricating a stepping section 4 and a rest platform 5 in a factory, and connecting the stepping section 4 and the rest platform with the inner side beams and the outer side beams to form a stair body;
(4) The temporary support is arranged on site, the stair body is installed, the lower end of the stair body is connected with the second embedded part of the lower floor 16, and the upper end of the stair body is connected with the first embedded part 10 of the upper floor;
(5) And the pull rod 8 is connected with the outer side beam 7 of the stair body, and the temporary support is removed to form an integral stress system.
What is not described in detail in this specification is prior art known to those skilled in the art.
Finally, it should be noted that the foregoing is merely a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and although the present utility model has been described in detail with reference to the embodiment, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but any modifications, equivalents, improvements or changes thereof may be made without departing from the spirit and principle of the present utility model.
Claims (10)
1. The novel column-free special-shaped stair is characterized by comprising a plurality of stepping sections, a plurality of rest platforms, an inner side beam and an outer side beam which are made of steel structures; the stepping sections and the rest platforms are alternately arranged at intervals, the inner sides of the stepping sections and the rest platforms are connected with the inner side beams, and the outer sides of the stepping sections and the rest platforms are connected with the outer side beams to jointly form a stair body; the upper end of the stair body is supported on the overhanging platform of the upper floor, and the lower end of the stair body is supported on the lower floor; the outside roof beam of stair body links to each other with upper portion floor entrance to a cave boundary beam through a plurality of pull rods.
2. The novel pillarless shaped stairway according to claim 1, wherein the side of the upper floor opening is provided with a suspended ceiling, and the tie rod is provided in the suspended ceiling at the side of the upper floor opening.
3. The novel column-free special-shaped stair according to claim 1, wherein the stair body is of an arc-shaped structure, a corner is arranged in the middle of the stair body, and hanging points connected with the pull rod are respectively arranged on the outer side beams at the front end and the rear end of the corner.
4. The novel column-free special-shaped stair according to claim 1, wherein the rest platform adopts a box-shaped structure and comprises a platform top plate and a platform bottom plate, wherein the platform top plate is parallel to the platform bottom plate and is arranged up and down, the ends of the platform top plate and the platform bottom plate are respectively connected with an inner side beam and an outer side beam on two sides, and the platform top plate, the platform bottom plate, the inner side beam and the outer side beam are enclosed to form an inner hollow structure; a surface layer is arranged on the platform top plate.
5. The novel pillarless shaped stairway according to claim 4, wherein a plurality of stiffening ribs are provided between the landing ceiling and the landing floor.
6. The novel pillarless special-shaped stair of claim 1, wherein the tread section adopts a double-layer tread structure, and two sides of the double-layer tread structure are respectively connected with the inner side beam and the outer side beam.
7. The novel non-post special-shaped stair according to claim 6, wherein the tread section comprises an upper tread plate, an upper riser, a lower tread plate and a lower riser, wherein the upper tread plate and the upper riser are alternately arranged at intervals and are sequentially connected to form an upper tread section; the lower-layer stepping plates and the lower-layer vertical plates are alternately arranged at intervals and are sequentially connected to form a lower-layer stepping section; the upper stepping section and the lower stepping section are arranged in an up-down pair; each interval of a plurality of pedal plates is provided with a vertical plate connecting plate for connecting the upper pedal section and the lower pedal section; and two ends of the upper layer of pedal plate, the upper layer of vertical plate, the lower layer of pedal plate, the lower layer of vertical plate and the vertical plate connecting plate are respectively connected with the inner side beam and the outer side beam.
8. The novel column-free special-shaped stair of claim 1, wherein a plurality of upper supporting points are arranged on the overhanging platform, the first embedded part is embedded at the upper supporting points and is connected with the support, and the upper end of the stair body is arranged on the support.
9. The novel column-free special-shaped stair of claim 1, wherein a plurality of lower supporting points are arranged on the lower floor, the second embedded part is embedded at the lower supporting points, and the lower end of the stair body is connected with the second embedded part.
10. The novel column-free special-shaped stair according to claim 1, wherein the upper end structure of the stair body connected with the upper floor overhanging platform is a rest platform; the lower end structure of the stair body connected with the lower floor is a stepping section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320611208.1U CN219343823U (en) | 2023-03-24 | 2023-03-24 | Novel column-free special-shaped stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320611208.1U CN219343823U (en) | 2023-03-24 | 2023-03-24 | Novel column-free special-shaped stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219343823U true CN219343823U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320611208.1U Active CN219343823U (en) | 2023-03-24 | 2023-03-24 | Novel column-free special-shaped stair |
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| Country | Link |
|---|---|
| CN (1) | CN219343823U (en) |
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- 2023-03-24 CN CN202320611208.1U patent/CN219343823U/en active Active
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