CN209780078U - rotary steel stair structure - Google Patents
rotary steel stair structure Download PDFInfo
- Publication number
- CN209780078U CN209780078U CN201822126219.2U CN201822126219U CN209780078U CN 209780078 U CN209780078 U CN 209780078U CN 201822126219 U CN201822126219 U CN 201822126219U CN 209780078 U CN209780078 U CN 209780078U
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- Prior art keywords
- platform
- stepping
- beams
- steel
- fixedly connected
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 230000000630 rising effect Effects 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000011150 reinforced concrete Substances 0.000 description 4
- 238000009415 formwork Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
Abstract
the utility model provides a rotatory steel stair structure, including skeleton and outer decorative layer, the skeleton includes the platform girder, the platform secondary beam, the platform auxiliary beam, platform steel panels, the inner circle roof beam, the outer circle roof beam, mark time the auxiliary beam and mark time steel panels, the both ends of platform secondary beam respectively with twice platform girder fixed connection, the both ends of platform auxiliary beam respectively with adjacent twice platform secondary beam fixed connection, platform steel panels fixed connection is on the surface of platform secondary beam, inner circle roof beam and outer circle roof beam all are spiral rising's girder steel, mark time the roof beam and be equipped with a set ofly at the equidistance interval between inner circle roof beam and outer circle roof beam, mark time the steel panels along the upside surface of marking time the roof beam and mark time the upside surface full berth of auxiliary beam. The utility model discloses a full prefabricated steel construction stair need not reserve great space when the installation, and whole atress is reasonable, and the construction is simple, and labour saving and time saving guarantees the holistic atress transmission of stair. The inner ring beam is integrally prefabricated, and the outer ring beam is prefabricated in a segmented mode, so that the stair is uniformly stressed, and force transmission is effective.
Description
Technical Field
The utility model relates to a stair, especially one kind is steel skeleton revolving stair.
background
With the increasing demand of people on building design, especially for special buildings with high story heights, such as large theaters, stairs leading from the first story to the second story are usually designed in a hall. The stair directly shown in the hall has the using function of the stair on one hand and also needs to be attractive on the other hand, and the design of the spiral stair in the hall is possible. The existing reinforced concrete structure has the problems of difficult formwork support of a cast-in-place structure, difficult construction of a prefabricated structure and longer construction time when being used for a rotary stair structure, and meanwhile, the reinforced concrete structure can be completed only by reserving a larger construction space when being connected with a main structure of a building, so that manpower and material resources are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rotatory steel stair structure, the rotatory stair that solve reinforced concrete structure exist cast-in-place structure formwork difficulty at the needle, and the prefabricated construction difficulty, the longer technical problem of engineering time still need solve reinforced concrete structure and need reserve the technical problem of the extravagant manpower and materials of great construction space with building main structural connection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A rotary steel stair structure comprises a framework and an outer decorative layer, wherein the framework is made of steel and comprises a platform main beam, a platform secondary beam, a platform auxiliary beam, a platform steel panel, an inner ring beam, an outer ring beam, a step auxiliary beam and a step steel panel,
The platform main beam is provided with two parallel channels which are an inner side beam and an outer side beam respectively, the inner side end of the platform main beam is fixedly connected with the main building structural beam at the same height, the platform main beam comprises an embedded part and an exposed part, the outer side surface of the embedded part is fixedly connected with a stud, the embedded part and the main building structural beam are integrally poured in the building,
The platform secondary beams are arranged in a group at intervals along the length direction of the platform main beam, two ends of the platform secondary beams are respectively and fixedly connected with the two platform main beams,
The platform auxiliary beam is parallel to the platform main beam, two ends of the platform auxiliary beam are respectively fixedly connected with two adjacent platform secondary beams,
The platform steel panel is fixedly connected to the surface of the platform secondary beam,
The inner ring beam is a steel beam which is spirally raised, the outer ring beam is a steel beam which is spirally raised, the spiral angle of the inner ring beam is larger than that of the outer ring beam,
the bottom spiral starting point of the inner ring beam is fixedly connected with the top of a main structure column of a building buried underground, the bottom spiral starting point of the outer ring beam is directly and fixedly connected with the ground,
The top spiral terminal point of the inner ring beam is fixedly connected with the exposed part beam end of the inner side beam, the top spiral terminal point of the outer ring beam is fixedly connected with the exposed part beam end of the outer side beam,
The stepping beams are arranged in a group at intervals along the spiral rising direction between the inner ring beam and the outer ring beam, the inner ends of the stepping beams are fixedly connected with the side wall of the inner ring beam, the outer ends of the stepping beams are fixedly connected with the side wall of the outer ring beam,
the stepping auxiliary beams are positioned between two adjacent stepping beams and are fixedly connected with the side wall of the vertical stepping beam, all the stepping auxiliary beams are positioned on the same spiral line, the stepping auxiliary beams equally divide the space between two adjacent stepping beams into two steps,
The stepping steel panel is fully paved along the upper side surface of the stepping beam and the upper side surface of the stepping auxiliary beam.
The platform main beam is a box beam, and the size of the cross section of the inner side beam is larger than that of the cross section of the outer side beam.
The platform secondary beam is a box-shaped beam, and the upper surface of the platform secondary beam is higher than that of the platform main beam.
The inner ring beam is an integrally prefabricated box-shaped beam, the outer ring beam is prefabricated in sections, each section of the outer ring beam is fixedly connected, and the size of the cross section of the inner ring beam is larger than that of the cross section of the outer ring beam.
The inner ring beam rises along the cylindrical spiral line, and the outer ring beam rises along the cylindrical spiral line.
The stepping beams are box-shaped beams, the lengths of all the stepping beams are the same, and the included angles between every two adjacent stepping beams are the same.
The auxiliary beam of marking time is made for square steel pipe, the hookup location of the auxiliary beam of marking time is located the tip that the beam of marking time is close to outer lane roof beam.
The auxiliary beam of marking time is the Z style of calligraphy, including lower floor's horizontal beam, perpendicular tie-beam and upper horizontal beam, the upper surface of lower floor's horizontal beam forms lower floor's tread with the roof beam upper surface parallel and level of marking time of lower floor jointly, the upper surface of upper horizontal beam forms upper strata tread, upper horizontal beam lower surface and the roof beam lower surface parallel and level of marking time on upper strata, lower floor's tread is the same with the width of upper strata tread.
compared with the prior art the utility model has the following characteristics and beneficial effect:
The utility model discloses a full prefabricated steel construction stair need not reserve great space when the installation, and whole atress is reasonable, and the construction is simple, labour saving and time saving. The utility model discloses a platform girder one end is connected with current building main structure roof beam, and the cooperation inner circle roof beam is connected with building main structure post simultaneously, guarantees the holistic atress transmission of stair. The inner ring beam is used as a main stressed member on one hand, and the self weight of the integral member is light on the other hand, so that the integral prefabricated steel structural member is adopted, and the integral prefabricated steel structural member can be integrally hoisted to enter the field during construction. The outer ring beam is a secondary stress member and has larger self weight, so that a sectional prefabrication mode can be adopted, and a mode of lifting section by section from bottom to top can be adopted during construction. The two platform main beams are also designed and distinguished according to the stress characteristics of the inner ring beam and the outer ring beam and are respectively connected with the inner ring beam and the outer ring beam, so that the stair is uniformly stressed, and the force transmission is effective. The utility model discloses a stair are marked time and have been designed the auxiliary beam of marking time, can be convenient equally divide for two to mark time between adjacent two beams of marking time. The utility model discloses a panel is steel panels, the construction of carrying out outer decorative layer on it that later stage decoration engineering can be very convenient.
Drawings
the present invention will be described in further detail with reference to the accompanying drawings.
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
3 fig. 3 3 3 is 3 a 3 schematic 3 structural 3 view 3 of 3 a 3 section 3 a 3- 3 a 3 in 3 fig. 3 2 3. 3
fig. 4 is a schematic structural view of a section B-B in fig. 2.
Fig. 5 is a schematic structural view of the section C-C in fig. 2.
reference numerals: 1-platform main beam, 11-inner side beam, 12-outer side beam, 2-platform secondary beam, 3-platform auxiliary beam, 4-platform steel panel, 5-inner ring beam, 6-outer ring beam, 7-step beam, 8-step auxiliary beam, 81-lower horizontal beam, 82-vertical connecting beam, 83-upper horizontal beam, 9-step steel panel, 10-building main structure beam, 13-embedded part, 14-exposed part, 15-building main structure column, 16-ground, 17-lower step surface and 18-upper step surface.
Detailed Description
referring to fig. 1 to 5, the rotary steel stair structure comprises a framework and an outer decorative layer, wherein the framework is made of steel and comprises a platform main beam 1, a platform secondary beam 2, a platform auxiliary beam 3, a platform steel panel 4, an inner ring beam 5, an outer ring beam 6, a step beam 7, a step auxiliary beam 8 and a step steel panel 9.
The platform main beam 1 is provided with two parallel channels, namely an inner side beam 11 and an outer side beam 12, the inner side end of the platform main beam is fixedly connected with a main building structure beam 10 at equal height, the platform main beam 1 comprises an embedded part 13 and an exposed part 14, and the outer side surface of the embedded part 13 is fixedly connected with a stud. The embedded part and the main structural beam 10 of the building are integrally poured inside the building.
The platform secondary beam 2 is arranged in a group at intervals along the length direction of the platform main beam, and two ends of the platform secondary beam are respectively fixedly connected with the two platform main beams 1.
The platform auxiliary beam 3 is parallel to the platform main beam 1, and two ends of the platform auxiliary beam 3 are respectively and fixedly connected with the two adjacent platform secondary beams 2.
The platform steel panel 4 is fixedly connected to the surface of the platform secondary beam 2.
The inner ring beam 5 is a steel beam which is spirally raised, the outer ring beam 6 is a steel beam which is spirally raised, and the spiral angle of the inner ring beam 5 is larger than that of the outer ring beam 6.
the bottom spiral starting point of the inner ring beam 5 is fixedly connected with the top of a building main structure column 15 buried underground, and the bottom spiral starting point of the outer ring beam 6 is directly and fixedly connected with the ground 16.
The top spiral terminal point of the inner ring beam 5 is fixedly connected with the exposed part 14 beam end of the inner side beam 11, and the top spiral terminal point of the outer ring beam 6 is fixedly connected with the exposed part 14 beam end of the outer side beam 12.
The stepping beams 7 are arranged in a group at intervals between the inner ring beam and the outer ring beam along the spiral ascending direction, the inner ends of the stepping beams 7 are fixedly connected with the side wall of the inner ring beam 5, and the outer ends of the stepping beams 7 are fixedly connected with the side wall of the outer ring beam 6.
the auxiliary beam 8 of marking time is located between the roof beam 7 of marking time of adjacent twice, perpendicular roof beam 7 lateral wall fixed connection of marking time, and all auxiliary beams 8 of marking time are located same spiral line, auxiliary beam 8 of marking time equally divide into two and mark time between the roof beam 7 of marking time of adjacent two.
The stepping steel panels 9 are fully paved along the upper side surfaces of the stepping beams 7 and the upper side surfaces of the stepping auxiliary beams 8.
the platform main beam 1 is a box beam, and the cross section size of the inner side beam 11 is larger than that of the outer side beam 12. The platform secondary beam 2 is a box-shaped beam, and the upper surface of the platform secondary beam 2 is higher than that of the platform main beam 1.
the inner ring beam 5 is a box-shaped beam prefabricated integrally, the outer ring beams 6 are prefabricated in sections, each section of the outer ring beam 6 is fixedly connected, and the size of the cross section 5 of each inner ring beam is larger than that of the cross section of each outer ring beam 6. The inner ring beam 5 rises along a cylindrical spiral line, and the outer ring beam 6 rises along a cylindrical spiral line.
The stepping beams 7 are box-shaped beams, the lengths of all the stepping beams 7 are the same, and the included angles between every two adjacent stepping beams 7 are the same. The auxiliary stepping beam 8 is made of square steel pipes, and the connecting position of the auxiliary stepping beam 8 is positioned at the end part of the stepping beam 7 close to the outer ring beam 6. The auxiliary beam 8 of marking time is the Z style of calligraphy, including lower floor's horizontal beam 81, perpendicular tie-beam 82 and upper horizontal beam 83, the upper surface of lower floor's horizontal beam 81 forms lower floor's tread 17 with the roof beam 7 upper surface parallel and level of marking time of lower floor jointly, the upper surface of upper horizontal beam 83 forms upper strata tread 18, upper horizontal beam 83 lower surface is with the roof beam 7 lower surface parallel and level of marking time of upper strata, lower floor's tread 17 is the same with upper strata tread 18's width.
Claims (8)
1. The utility model provides a revolving steel stair structure, includes skeleton and outer decorative layer, its characterized in that: the framework is made of steel and comprises a platform main beam (1), a platform secondary beam (2), a platform auxiliary beam (3), a platform steel panel (4), an inner ring beam (5), an outer ring beam (6), a step beam (7), a step auxiliary beam (8) and a step steel panel (9),
the platform main beam (1) is provided with two parallel channels which are an inner side beam (11) and an outer side beam (12), the inner side end part of the platform main beam is in equal height and is fixedly connected with a main building structure beam (10), the platform main beam (1) comprises an embedded part (13) and an exposed part (14), the outer side surface of the embedded part (13) is fixedly connected with a stud, the embedded part and the main building structure beam are integrally poured in a building,
The platform secondary beams (2) are arranged in a group at intervals along the length direction of the platform main beam, two ends of the platform secondary beams are respectively and fixedly connected with the two platform main beams (1),
The platform auxiliary beam (3) is parallel to the platform main beam (1), two ends of the platform auxiliary beam (3) are respectively and fixedly connected with two adjacent platform secondary beams (2),
the platform steel panel (4) is fixedly connected on the surface of the platform secondary beam (2),
The inner ring beam (5) is a steel beam which is spirally raised, the outer ring beam (6) is a steel beam which is spirally raised, the spiral angle of the inner ring beam (5) is larger than that of the outer ring beam (6),
The bottom spiral starting point of the inner ring beam (5) is fixedly connected with the top of a main structure column (15) of a building buried underground, the bottom spiral starting point of the outer ring beam (6) is directly and fixedly connected on the ground (16),
The top spiral terminal point of the inner ring beam (5) is fixedly connected with the beam end of the exposed part (14) of the inner side beam (11), the top spiral terminal point of the outer ring beam (6) is fixedly connected with the beam end of the exposed part (14) of the outer side beam (12),
the stepping beams (7) are arranged in a group at equal intervals between the inner ring beam and the outer ring beam along the spiral rising direction, the inner ends of the stepping beams (7) are fixedly connected with the side wall of the inner ring beam (5), the outer ends of the stepping beams (7) are fixedly connected with the side wall of the outer ring beam (6),
The auxiliary stepping beams (8) are positioned between two adjacent stepping beams (7) and are fixedly connected with the side wall of the vertical stepping beam (7), all the auxiliary stepping beams (8) are positioned on the same spiral line, the auxiliary stepping beams (8) equally divide the space between the two adjacent stepping beams (7) into two steps,
The stepping steel panels (9) are fully paved along the upper side surface of the stepping beam (7) and the upper side surface of the stepping auxiliary beam (8).
2. The spiral steel stair structure of claim 1, wherein: the platform main beam (1) is a box-shaped beam, and the cross section size of the inner side beam (11) is larger than that of the outer side beam (12).
3. The spiral steel stair structure of claim 2, wherein: the platform secondary beam (2) is a box-shaped beam, and the upper surface of the platform secondary beam (2) is higher than that of the platform main beam (1).
4. The spiral steel stair structure of claim 1, wherein: the inner ring beam (5) is an integrally prefabricated box-shaped beam, the outer ring beam (6) is prefabricated in sections, each section of the outer ring beam (6) is fixedly connected, and the size of the cross section of the inner ring beam (5) is larger than that of the cross section of the outer ring beam (6).
5. the spiral steel stair structure of claim 1, wherein: the inner ring beam (5) rises along a cylindrical spiral line, and the outer ring beam (6) rises along the cylindrical spiral line.
6. The spiral steel stair structure of claim 5, wherein: the stepping beams (7) are box-shaped beams, the lengths of all the stepping beams (7) are the same, and the included angles between every two adjacent stepping beams (7) are the same.
7. The spiral steel stair structure of claim 6, wherein: the auxiliary stepping beam (8) is made of square steel pipes, and the connecting position of the auxiliary stepping beam (8) is located at the end part, close to the outer ring beam (6), of the stepping beam (7).
8. the spiral steel stair structure of claim 6 or 7, wherein: supplementary roof beam (8) of marking time is the Z style of calligraphy, including lower floor's horizontal beam (81), perpendicular tie-beam (82) and upper horizontal beam (83), the upper surface of lower floor's horizontal beam (81) forms lower floor tread (17) jointly with the roof beam (7) upper surface parallel and level of marking time of lower floor, the upper surface of upper horizontal beam (83) forms upper tread (18), upper horizontal beam (83) lower surface and upper floor's roof beam (7) lower surface parallel and level of marking time, lower floor tread (17) are the same with the width of upper tread (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822126219.2U CN209780078U (en) | 2018-12-18 | 2018-12-18 | rotary steel stair structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822126219.2U CN209780078U (en) | 2018-12-18 | 2018-12-18 | rotary steel stair structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209780078U true CN209780078U (en) | 2019-12-13 |
Family
ID=68790104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822126219.2U Expired - Fee Related CN209780078U (en) | 2018-12-18 | 2018-12-18 | rotary steel stair structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209780078U (en) |
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2018
- 2018-12-18 CN CN201822126219.2U patent/CN209780078U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |