CN219261558U - Steel concrete integrated stair - Google Patents
Steel concrete integrated stair Download PDFInfo
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- CN219261558U CN219261558U CN202320393393.1U CN202320393393U CN219261558U CN 219261558 U CN219261558 U CN 219261558U CN 202320393393 U CN202320393393 U CN 202320393393U CN 219261558 U CN219261558 U CN 219261558U
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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 steel-concrete integrated stair in the field of steel structure buildings, which comprises a steel inclined beam and concrete pedals, wherein the steel inclined beam is symmetrically and obliquely arranged at two sides of the concrete pedals, end connecting pieces are prefabricated in two ends of the concrete pedals, internal threaded holes are formed in the end connecting pieces, prefabricated holes are formed in positions, corresponding to the internal threaded holes, of the steel inclined beam, and the root parts of connecting bolts penetrate through the prefabricated holes to be in threaded connection with the end connecting pieces. The steel concrete integrated stair has the advantages of simple structure, convenience in installation, good use experience, disassembly and recycling, and the like, and greatly reduces the manufacturing and use cost of the steel structure building, and has good economy.
Description
Technical Field
The utility model relates to the field of steel structure buildings, in particular to a steel-concrete integrated stair.
Background
Compared with the traditional concrete building, the steel structure building is a novel building system, and steel plates or section steel are used for replacing reinforced concrete, so that the steel structure building is higher in strength and better in shock resistance. The components can be manufactured in a factory and installed on site, so that the construction period is greatly reduced, and the steel can be reused, so that the construction waste is greatly reduced, and the method is more environment-friendly and is widely used in various countries around the world.
The existing steel structure building has three main forms, namely an all-steel structure and a steel ladder Liang Jiagang step; the second is a steel concrete mixed structure, namely a steel ladder Liang Jia cast-in-situ concrete pedal; and the third is a full concrete structure. These three stair structures each have drawbacks. The stair with the all-steel structure is not good in foot-removing feeling when being stepped on; the construction workload of the stairway site of the steel concrete mixed structure is large, and the efficiency is influenced; the stairs with the full concrete structure are too heavy, inconvenient to install and lower in construction efficiency.
Disclosure of Invention
The utility model aims to provide the steel-concrete integrated stair which is simple in structure, convenient to install and good in use experience.
The purpose of the utility model is realized in the following way: the utility model provides a steel concrete integral type stair, includes steel sloping and concrete pedal, and steel sloping symmetry slope sets up in concrete pedal both sides, and prefabricated has the end connecting piece in the concrete pedal both ends, is equipped with the internal thread hole on the end connecting piece, and the steel sloping corresponds the internal thread hole position and is equipped with prefabricated hole, and connecting bolt root passes prefabricated hole and end connecting piece threaded connection. The steel concrete integrated stair has the advantages of simple structure, convenience in installation, good use experience, disassembly and recycling, and the like, and greatly reduces the manufacturing and use cost of the steel structure building, and has good economy.
As a further improvement of the utility model, the concrete pedal is formed by combining a plurality of pedal units, each pedal unit comprises one or a plurality of integrally formed stepped pedals, and each stepped pedal comprises a flat pedal and a vertical plate connected above the flat pedal. By dividing the concrete pedal into a plurality of pedal units, the steps of site construction and installation are simplified, and the construction efficiency is improved. And each pedal unit of the structure starts from the flat pedal and ends from the vertical plate, so that in the stair concrete pedal integral structure after the installation is finished, the pedal unit at the lower side can also provide a supporting effect for the pedal unit at the upper side, and the stability and the attractive appearance of the structure are further improved. The steel concrete integrated stairway with the structure can be provided with the steel inclined beam on site, workers can go upstairs and downstairs on the steel inclined beam firstly by covering the pattern steel plate in the construction process, and after other installation is completed completely, the concrete pedal is installed at last, so that construction damage is avoided.
As a further improvement of the present utility model, end connectors are provided at both ends and at each corner position of the pedal unit, ensuring stability and reliability of concrete pedal connection.
As a further improvement of the utility model, the transverse steel bars are pre-embedded in the concrete pedal, so that the bearing capacity of the concrete pedal is further improved.
As a further improvement of the utility model, the end connecting piece is a straight thread sleeve, one end of the straight thread sleeve is in threaded connection with the transverse reinforcing steel bar, and the other end of the straight thread sleeve is in threaded connection with the connecting bolt, so that the structure is further simplified, and the concrete pedal is conveniently poured.
As a further improvement of the utility model, the steel inclined beam has an outward open C-shaped section and strong bearing capacity, and the open side sealing plates can be arranged at the later stage to conceal the connecting bolts and improve the aesthetic property.
As a further improvement of the utility model, the rail is arranged on the steel inclined beam, the rail connecting hole is arranged on the upper surface of the steel inclined beam, the rail is detachably connected with the steel inclined beam, the safety of the stair in use is further improved, and the site construction efficiency is high.
As a further improvement of the utility model, the concrete pedal is connected in the middle of the inner end surface of the steel inclined beam, the upper end and the lower end of the steel inclined beam are provided with vertical connecting sealing plates, the connecting sealing plates are welded and fixed below the connecting position of the concrete pedal, the connecting sealing plates are connected with the adjacent stair platform supporting beams through fixing bolts, the fixing bolts penetrate through the connecting sealing plates and are in threaded connection with connecting fixing pieces with internal threads, which are prefabricated at the corresponding positions of the stair platform supporting beams, the steel inclined beam is simple in installation mode and high in construction efficiency, and the concrete pedal is connected in the middle of the inner end surface of the steel inclined beam, so that the steel inclined beam can also play a role of stair skirting lines.
Drawings
Fig. 1 is a schematic view of the reinforced concrete integrated stairway of the utility model.
The steel inclined beam is 1, the concrete pedal is 2, the transverse steel bars are 3, the end part of the 3A is provided with the transverse steel bars with the straight thread sleeve, the sealing plate is 4 connected, the landing support beam is 5, the fixing bolt is 6, the fixing piece is 7 connected, and the rail is 8.
Description of the embodiments
The steel-concrete integrated stair shown in fig. 1 comprises a steel inclined beam 1 and a concrete pedal 2. The steel inclined beams 1 are symmetrically and obliquely arranged on two sides of the concrete pedal 2.
The concrete pedal 2 is composed of a plurality of pedal units. Each pedal unit comprises two integrally formed stepped pedals, and each stepped pedal comprises a flat pedal and a vertical plate connected above the flat pedal. By dividing the concrete pedal 2 into a plurality of pedal units, the steps of site construction and installation are simplified, and the construction efficiency is improved. And each pedal unit of this structure all starts in flat footboard, ends in the riser to in the stair concrete pedal 2 overall structure after the installation is accomplished, the pedal unit of downside also can provide the supporting role to the pedal unit of upside, has further improved structural stability and pleasing to the eye formula.
The concrete pedal 2 is connected to the middle part of the inner end surface of the steel inclined beam 1. The concrete pedal 2 is prefabricated to have the end connecting piece in both ends, is equipped with the internal thread hole on the end connecting piece, and steel sloping 1 corresponds the internal thread hole position and is equipped with the prefabricated hole, and connecting bolt root passes prefabricated hole and end connecting piece threaded connection. Specifically, in this embodiment, the transverse steel bars 3 are embedded in the concrete pedal 2, so as to further improve the bearing capacity of the concrete pedal 2. The end connectors are provided at both ends of each pedal unit and at each corner position, ensuring the stability and reliability of the connection of the concrete pedal 2. The end connecting piece adopts a straight thread sleeve, one end of the straight thread sleeve is in threaded connection with the transverse steel bar 3A, and the other end of the straight thread sleeve is in threaded connection with the connecting bolt, so that the structure is further simplified, and the concrete pedal 2 is conveniently poured.
The section of the steel inclined beam 1 is C-shaped with an outward opening, and has strong bearing capacity. The upper and lower ends of the steel oblique beam 1 are provided with vertical connecting sealing plates 4, the connecting sealing plates 4 are welded and fixed below the connecting positions of the concrete pedals 2, and the connecting sealing plates 4 are connected with adjacent landing supporting beams 5 through fixing bolts 6. The fixing bolts 6 penetrate through the connecting sealing plates 4 and are in threaded connection with connecting fixing pieces 7 with internal threads which are prefabricated at corresponding positions of the landing supporting beams 5. The steel inclined beam 1 is simple in installation mode and high in construction efficiency.
Be equipped with railing 8 on the steel sloping 1, steel sloping 1 upper surface is equipped with the railing connecting hole, and railing 8 can dismantle with steel sloping 1 and be connected. Specifically, be equipped with the end cap bottom the railing, pass the railing connecting hole and with end cap threaded connection through the bolt can realize that railing 8 can dismantle with steel sloping 1 and be connected, further improve the security that the stair used to on-the-spot efficiency of construction is high.
The steel concrete integral type stair of this embodiment, during on-the-spot installation, can install steel sloping 1 earlier, and the workman can cover the decorative pattern steel sheet earlier and conveniently go upstairs and downstairs on steel sloping 1 in the work progress, and after other installations were totally accomplished, goes up concrete pedal 2 at last, avoids the construction damage.
The steel concrete integrated stair has the advantages of being simple in structure, convenient to install, good in use experience, capable of being detached and reused and the like, manufacturing and use cost of the steel structure building is greatly reduced, and economical efficiency is good.
The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.
Claims (8)
1. A steel concrete integrated stair is characterized in that: including steel sloping and concrete pedal, steel sloping symmetry slope sets up in concrete pedal both sides, prefabricated have an end connecting piece in the concrete pedal both ends, be equipped with the internal thread hole on the end connecting piece, the steel sloping corresponds the internal thread hole position and is equipped with prefabricated hole, connecting bolt root pass prefabricated hole and end connecting piece threaded connection.
2. The steel concrete integrated stairway according to claim 1, wherein: the concrete pedal is formed by combining a plurality of pedal units, each pedal unit comprises one or a plurality of integrally formed stepped pedals, and each stepped pedal comprises a flat pedal and a vertical plate connected above the flat pedal.
3. The steel concrete integrated stairway according to claim 2, wherein: the end connectors are disposed at both ends of the pedal unit and at each corner position.
4. The steel concrete integrated stairway according to claim 1, wherein: transverse steel bars are embedded in the concrete pedal.
5. The steel concrete integrated stairway according to claim 4, wherein: the end connecting piece is a straight thread sleeve, one end of the straight thread sleeve is in threaded connection with the transverse reinforcing steel bar, and the other end of the straight thread sleeve is in threaded connection with the connecting bolt.
6. The steel concrete integrated stairway according to claim 1, wherein: the section of the steel inclined beam is of a C shape with an outward opening.
7. The steel concrete integrated stairway according to claim 6, wherein: the steel inclined beam is provided with a railing, the upper surface of the steel inclined beam is provided with a railing connecting hole, and the railing is detachably connected with the steel inclined beam.
8. The steel concrete integrated stairway according to any one of claims 1 to 7, characterised in that: the concrete pedal is connected in the middle of the inner end face of the steel inclined beam, vertical connecting sealing plates are arranged at the upper end and the lower end of the steel inclined beam, the connecting sealing plates are fixedly welded below the connecting position of the concrete pedal, the connecting sealing plates are connected with adjacent landing supporting beams through fixing bolts, and the fixing bolts penetrate through the connecting sealing plates to be in threaded connection with connecting fixing pieces with internal threads, which are prefabricated at the corresponding positions of the landing supporting beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320393393.1U CN219261558U (en) | 2023-03-06 | 2023-03-06 | Steel concrete integrated stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320393393.1U CN219261558U (en) | 2023-03-06 | 2023-03-06 | Steel concrete integrated stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219261558U true CN219261558U (en) | 2023-06-27 |
Family
ID=86867412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320393393.1U Active CN219261558U (en) | 2023-03-06 | 2023-03-06 | Steel concrete integrated stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219261558U (en) |
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2023
- 2023-03-06 CN CN202320393393.1U patent/CN219261558U/en active Active
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