CN114197771A - Lower beam arrangement structure and arrangement method special for bottom-supported villa ladder - Google Patents
Lower beam arrangement structure and arrangement method special for bottom-supported villa ladder Download PDFInfo
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- CN114197771A CN114197771A CN202111334623.9A CN202111334623A CN114197771A CN 114197771 A CN114197771 A CN 114197771A CN 202111334623 A CN202111334623 A CN 202111334623A CN 114197771 A CN114197771 A CN 114197771A
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- stair
- stair body
- supporting
- underbeam
- support
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/032—Spiral stairways supported by a central column
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/09—Tread-and-riser units
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses a special underbeam arrangement structure for a bottom-supported villa ladder, which comprises a spiral stair, wherein the spiral stair comprises a stair body, a support upright post, a movable underbeam support mechanism, a protective supporting plate and an embedded reinforced steel structure, the upper end and the lower end of the stair body are respectively connected with floors, the support upright post is vertically arranged in the middle of the stair body, the movable underbeam support mechanism consists of a bottom support structure, a side support structure and a suspension support structure, the bottom support structure is arranged at the bottom of the stair body and positioned at one side of the support upright post, the side support structure is arranged between the stair body and the support upright post, the suspension support structure is arranged in the middle of the support upright post and positioned in the middle of the stair body, and the upper end of the suspension support structure is fixedly connected with the middle of the stair body. The invention optimizes the lower beam part of the villa spiral stair, can improve the compressive strength and stability of the lower half part of the stair in all directions, and ensures the safety of the stair in the using process.
Description
Technical Field
The invention relates to the technical field of villa stairs, in particular to a special underbeam arrangement structure and an arrangement method for a bottom-supported villa ladder.
Background
Villas, improved houses, garden houses for rest and built in suburbs or scenic spots. The residence is used for enjoying life, and the common understanding is that the residence mainly embodies the quality of life and the enjoying characteristics except the basic function of the residence, the modern meaning is an independent garden type residence which is independent from the origin of the residence, a clear time starting point is not provided, villas, large courts with emperors, and relative Shenmansion, small mountain villages and manholes with the country of Rich merchant and giant Jia appear in ancient China too early. The villas have a very long history in foreign countries, and the villas in the western sense are mainly the development ideas after the teachers and foreign industrial revolution. According to the different geographic positions and functions, the method is divided into the following steps: mountain villas (including forest villas), waterside (river, lake, sea) villas, pasture (grassland) villas, garden type villas and the like, the villas generally adopt a multilayer structure design for the duplex structure, and stairs are usually installed between layers, and the stairs that the villas adopted are mostly spiral design mode, and spiral stairs are pleasing to the eye on the one hand, and on the other hand spiral stairs occupation space is little.
However, the existing villa spiral stairs have the following problems in the use process: (1) in order to ensure the stability of the spiral stair, a special underbeam reinforcing structure is required to be designed at the bottom of the stair and used for reinforcing the supporting bottom of the stair so as to ensure the safety of the stair, however, the conventional reinforcing mode of the spiral stair is supported by adopting an upright column arranged in the middle of the stair, the reinforcing mode of the bottom of the stair is simple, and the stability is poor; (2) the steps of the spiral stair are easy to generate abnormal sound and have reduced stability in the process of bearing pressure in the process of long-time use. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
Disclosure of Invention
The invention aims to provide a special underbeam arrangement structure and an arrangement method for a bottom-supported villa ladder, which solve the technical problems that in order to ensure the stability of a spiral stair, a special underbeam reinforcement structure needs to be designed at the bottom of the stair and is used for reinforcing the support bottom of the stair so as to ensure the safety of the stair, but the existing spiral stair is supported by adopting a stand column arranged in the middle of the stair, the reinforcement mode of the bottom of the stair is simpler, the stability is poorer and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a special underbeam arrangement structure for a bottom-supported villa ladder comprises a spiral stair, wherein the spiral stair comprises a stair body, a supporting upright post, a movable underbeam supporting mechanism, a protective supporting plate and an embedded reinforced steel structure, the stair body is respectively connected with floors at the upper end and the lower end, the supporting upright post is vertically arranged in the middle of the stair body, the movable underbeam supporting mechanism consists of a bottom supporting structure, a side supporting structure and a suspended supporting structure, the bottom supporting structure is arranged at the bottom of the stair body and positioned at one side of the supporting upright post, the side supporting structure is arranged between the stair body and the supporting upright post, the suspended supporting structure is arranged in the middle of the supporting upright post and positioned in the middle of the stair body, the upper end of the suspended supporting structure is fixedly connected with the middle of the stair body, the protective supporting plate is positioned at the lower edge of the stair body and is connected with the bottom supporting structure below the protective supporting plate, the embedded reinforced steel structure is installed between the stair body and the protective supporting plate and comprises a transverse reinforcing plate and a supporting pedal, the transverse reinforcing plate is embedded in the bottom of the stair body, and the supporting pedal is installed inside the stair body.
As a preferred embodiment of the present invention, the stair body is of a spiral ascending structure and includes two sets of guardrails and a plurality of sets of steps installed between the two sets of guardrails, the plurality of sets of steps are uniformly arranged from bottom to top, and both ends of the plurality of sets of steps are connected to the guardrails.
As a preferred embodiment of the present invention, the bottom support structure is composed of two sets of guide rails, a transverse plate, an electric push rod and a support frame, the guide rails are symmetrically arranged in two sets, a guide groove matched with the guide rails is formed on the lower edge of the transverse plate, the guide rails are arranged in the guide groove, the electric push rod is located on the right side of the transverse plate, the power output end of the electric push rod is connected with the transverse plate, and the support frame is provided with a plurality of sets of guide rails, and the support frame is uniformly and vertically arranged on the surface of the transverse plate.
As a preferred embodiment of the present invention, the supporting frame includes an upright and a plurality of groups of pressure-bearing columns uniformly fixed to the upright in an inclined manner, and the upper ends of the groups of pressure-bearing columns contact with the bottom of the protective supporting plate.
As a preferred embodiment of the present invention, the lateral support structure is composed of a plurality of groups of connecting columns, the connecting columns are inclined and equidistantly arranged on the lateral surface of the stair body, and the outer ends of the connecting columns are connected with the support columns.
As a preferred embodiment of the present invention, the suspended support structure includes a horizontally disposed tray and a triangular support plate fixed below the tray, the tray is located in the middle of the stair body, a plurality of sets of top pressure columns are uniformly installed between the tray and the lower edge of the stair body, and the lower end of the triangular support plate is installed on the support upright.
As a preferred embodiment of the present invention, the transverse reinforcing plate is composed of a plurality of sets of steel plates, the steel plates are arranged in an M shape, and corners of the steel plates are respectively connected with two adjacent sets of steps.
As a preferred embodiment of the present invention, the support step includes an L-shaped bracket and a V-shaped stretching plate installed inside the L-shaped bracket, two ends of the L-shaped bracket are respectively connected to a lower edge and a side edge of the step, and the V-shaped stretching plate is in a V-shaped structure and fixed at a corner of the step.
As a preferred embodiment of the present invention, the specific arrangement method is as follows:
after the supporting upright posts and the stair body are arranged, workers can install the bottom supporting structure, the side supporting structure and the suspended supporting structure in the movable lower beam supporting mechanism on the bottom, the side and the middle of the stair respectively, the lower part of the stair is supported and reinforced in all directions, the strength of the lower part of the stair body is ensured, then the lower edge of the stair body is provided with a protective supporting plate, the protective supporting plate and the lower edge of the stair body are embedded and installed, so that the purpose of reinforcing the stair can be achieved, and set up embedded enhancement steel construction between stair body and protection layer board, can reach and carry out reinforced (rfd) purpose to the gap between stair and the ladder, effectual improvement stair stability in the use, it has the pad that gives sound insulation to fill between stair body and protection layer board in addition, can reduce the possibility that the abnormal sound of stair in the use takes place.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention designs a spiral stair specially used for villas, which comprises a stair body, a supporting upright post, a movable underbeam supporting mechanism, a protective supporting plate and an embedded reinforced steel structure, wherein the supporting upright post positioned in the middle part is used for supporting the stair body, the bottom supporting structure, the side supporting structure and the suspended supporting structure contained in the movable underbeam supporting mechanism are used for respectively carrying out omnibearing supporting and reinforcing treatment on the bottom, the side and the middle part of the stair to ensure the strength of the lower part of the stair body, the protective supporting plate is arranged on the lower edge of the stair body, the protective supporting plate and the lower edge of the stair body are embedded and installed, so that the aim of reinforcing the stair can be achieved, the embedded reinforced steel structure is arranged between the stair body and the protective supporting plate, and the aim of reinforcing gaps between the stair and the stairs can be achieved, effectual improvement stair stability in the use, it has the pad that gives sound insulation to fill between stair body and protection layer board in addition, can reduce the possibility that the abnormal sound of stair in the use takes place.
2. The invention optimizes the lower beam part of the villa spiral stair, can improve the compressive strength and stability of the lower half part of the stair in all directions, and ensures the safety of the stair in the using process.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a view of the structure of the lower edge of the stair body according to the present invention;
FIG. 3 is a block diagram of the protective fascia of the present invention;
FIG. 4 is a connecting structure of the transverse plate and the guide rail according to the present invention;
fig. 5 is a view showing a structure of the step reinforcement according to the present invention.
In the figure, 1, a stair body; 2. supporting the upright post; 3. a movable lower beam support mechanism; 4. a protective support plate; 5. embedding a reinforced steel structure; 6. a bottom support structure; 7. a lateral support structure; 8. a suspended support structure; 9. a transverse stiffener; 10. a support pedal; 11. a guardrail; 12. a step; 13. a guide rail; 14. a transverse plate; 15. an electric push rod; 16. a support frame; 17. a guide groove; 18. erecting a rod; 19. a pressure-bearing column; 20. connecting columns; 21. a tray; 22. a triangular support plate; 23. pressing the column; 24. an L-shaped bracket; 25. and (5) a V-shaped stretching plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a special underbeam arrangement structure for a bottom-supported villa ladder comprises a spiral stair, wherein the spiral stair comprises a stair body 1, a supporting upright post 2, a movable underbeam supporting mechanism 3, a protective supporting plate 4 and an embedded reinforced steel structure 5, the upper end and the lower end of the stair body 1 are respectively connected with floors, the supporting upright post 2 is vertically arranged in the middle of the stair body 1, the movable underbeam supporting mechanism 3 consists of a bottom supporting structure 6, a side supporting structure 7 and a suspension supporting structure 8, the bottom supporting structure 6 is arranged at the bottom of the stair body 1 and is positioned at one side of the supporting upright post 2, the side supporting structure 7 is arranged between the stair body 1 and the supporting upright post 2, the suspension supporting structure 8 is arranged in the middle of the supporting upright post 2 and is positioned in the middle of the stair body 1, the upper end of the suspension supporting structure 8 is fixedly connected with the middle of the stair body 1, the protective supporting plate 4 is positioned at the lower edge of the stair body 1 and is connected with the bottom supporting structure 6 below, embedded reinforced steel structure 5 is installed between stair body 1 and protection layer board 4 and includes horizontal reinforcing plate 9 and support footboard 10, and horizontal reinforcing plate 9 is embedded in the bottom of stair body 1, and support footboard 10 is installed in the inside of stair body 1.
The stair body 1 is spiral rising formula structure and includes two sets of guardrails 11 and installs a plurality of groups of ladder 12 between two sets of guardrails 11, and a plurality of groups of ladder 12 from the bottom up evenly set up and both ends all are connected with guardrail 11.
The supporting frame 16 comprises an upright rod 18 and a plurality of groups of pressure-bearing columns 19 which are obliquely and uniformly fixed on the upright rod 18, the upper ends of the groups of pressure-bearing columns 19 are in contact with the bottom of the protective supporting plate 4, and the protective supporting plate 4 and the lower edge of the stair can be supported through the pressure-bearing columns 19 in such a design mode.
Embodiment 3, like fig. 1, the technical scheme of this embodiment is for installing side bearing structure 7 on spiral stair, and side bearing structure 7 comprises a plurality of groups of spliced poles 20, and a plurality of groups of spliced poles 20 are the slope form and the equidistance setting with the side of stair body 1, and the outer end of spliced pole 20 is connected with support post 2, can reach the purpose of reinforcing to the stair side.
Embodiment 4, as fig. 1, the technical scheme of this embodiment is for installing unsettled bearing structure 8 on spiral stair, unsettled bearing structure 8 includes the tray 21 of level setting and the triangular support plate 22 that is fixed in tray 21 below, tray 21 be located stair body 1 the middle part and with stair body 1 down between the edge evenly install a plurality of groups top compression leg 23, triangular support plate 22's lower extreme is installed on support post 2, can reach the purpose of supporting the middle part of stair body 1 through tray 21 and top compression leg 23.
Horizontal reinforcing plate 9 comprises a plurality of groups of steel sheets, and the steel sheet is that M type setting and corner are connected with adjacent two sets of ladder 12 respectively, and such design can improve the intensity between adjacent two sets of ladder, avoids appearing deformation.
Specifically, support footboard 10 includes L type bracket 24 and installs in the tensile board 25 of the inboard V type of L type bracket 24, and the both ends of L type bracket 24 are connected with the lower edge and the side of ladder 12 respectively, and the tensile board 25 of V type is the V type structure and is fixed in the corner of ladder 12, can reach the below of ladder through L type bracket 24 and reach the support purpose to utilize the tensile board 25 of V type to be fixed in the corner of ladder.
When in use: the invention designs a spiral stair specially used for villas, which comprises a stair body 1, a support upright post 2, a movable underbeam support mechanism 3, a protective supporting plate 4 and an embedded reinforced steel structure 5, wherein the support upright post 2 at the middle part is used for supporting the stair body 1, the bottom support structure 6, a side support structure 7 and a suspended support structure 8 which are contained in the movable underbeam support mechanism 3 are used for respectively carrying out omnibearing support and reinforcement treatment on the bottom, the side and the middle part of the stair to ensure the strength of the lower part of the stair body 1, the protective supporting plate 4 is arranged at the lower edge of the stair body 1, the protective supporting plate 4 and the lower edge of the stair body 1 are arranged in an embedded manner to achieve the purpose of reinforcing a step 12, and the embedded reinforced steel structure 5 is arranged between the stair body 1 and the protective supporting plate 4, can reach the purpose of consolidating to the gap between ladder 12 and the ladder 12, effectual improvement stair are stability in the use, and it has the pad of giving sound insulation to fill between stair body 1 and protection layer board 4 in addition, can reduce the possibility that the abnormal sound of stair in the use takes place.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a special underbeam arrangement structure of collet formula villa ladder, includes spiral stair, its characterized in that: the spiral stair comprises a stair body (1), a supporting upright post (2), a movable underbeam supporting mechanism (3), a protective supporting plate (4) and an embedded reinforced steel structure (5), wherein the upper end and the lower end of the stair body (1) are respectively connected with floors, the supporting upright post (2) is vertically installed in the middle of the stair body (1), the movable underbeam supporting mechanism (3) consists of a bottom supporting structure (6), a side supporting structure (7) and a suspension supporting structure (8), the bottom supporting structure (6) is installed at the bottom of the stair body (1) and is positioned on one side of the supporting upright post (2), the side supporting structure (7) is installed between the stair body (1) and the supporting upright post (2), the suspension supporting structure (8) is installed in the middle of the supporting upright post (2) and is positioned in the middle of the stair body (1), the upper end of unsettled bearing structure (8) and the middle part fixed connection of stair body (1), protection layer board (4) are located the lower edge and the below of stair body (1) and are connected with bottom sprag structure (6), embedded enhancement steel construction (5) are installed between stair body (1) and protection layer board (4) and are including horizontal reinforcing plate (9) and support footboard (10), horizontal reinforcing plate (9) are embedded in the bottom of stair body (1), support footboard (10) and install in the inside of stair body (1).
2. The special underbeam arrangement structure of collet-type villa ladder of claim 1, characterized in that: stair body (1) are spiral rising formula structure and include two sets of guardrails (11) and install a plurality of group's ladder (12) between two sets of guardrails (11), and a plurality of group's ladder (12) from the bottom up evenly set up and both ends all are connected with guardrail (11).
3. The special underbeam arrangement structure of collet-type villa ladder of claim 1, characterized in that: bottom sprag structure (6) comprise guide rail (13), diaphragm (14), electric putter (15) and support frame (16), guide rail (13) branch is equipped with two sets of and two sets of symmetry settings, the lower edge of diaphragm (14) is along offering guide way (17) that cooperation guide rail (13) used, guide rail (13) set up in guide way (17), electric putter (15) are located the right side of diaphragm (14) and power take off end is connected with diaphragm (14), support frame (16) branch is equipped with a plurality of groups and even perpendicular install in the surface of diaphragm (14).
4. The special underbeam arrangement structure of collet-type villa ladder of claim 1, characterized in that: the supporting frame (16) comprises a vertical rod (18) and a plurality of groups of pressure-bearing columns (19) which are obliquely and uniformly fixed on the vertical rod (18), and the upper ends of the pressure-bearing columns (19) are in contact with the bottom of the protective supporting plate (4).
5. The special underbeam arrangement structure of collet-type villa ladder of claim 2, characterized in that: side bearing structure (7) comprise a plurality of group spliced pole (20), a plurality of groups spliced pole (20) are the side of slope form and equidistance setting and stair body (1), the outer end of spliced pole (20) is connected with support post (2).
6. The special underbeam arrangement structure of collet-type villa ladder of claim 5, characterized in that: unsettled bearing structure (8) are including tray (21) that the level set up and triangular support plate (22) that are fixed in tray (21) below, tray (21) be located the middle part of stair body (1) and evenly install a plurality of groups top pressure post (23) with the lower of stair body (1) between along, the lower extreme of triangular support plate (22) is installed on support post (2).
7. The special underbeam arrangement structure of collet-type villa ladder of claim 2, characterized in that: the transverse reinforcing plate (9) is composed of a plurality of groups of steel plates, and the steel plates are arranged in an M shape, and corners of the steel plates are respectively connected with two adjacent groups of steps (12).
8. The special underbeam arrangement structure of collet-type villa ladder of claim 7, characterized in that: support footboard (10) including L type bracket (24) and install in the tensile board of the inboard V type (25) of L type bracket (24), the both ends of L type bracket (24) are connected with the lower edge and the side edge of ladder (12) respectively, tensile board of V type (25) are the V type structure and are fixed in the corner of ladder (12).
9. The arrangement method of the arrangement structure of the special underbeam for the bottom-supported villa ladder according to claim 2, wherein the arrangement method comprises the following steps: the specific arrangement method is as follows:
after the supporting upright posts (2) and the stair body (1) are arranged, a worker can install a bottom supporting structure (6), a side supporting structure (7) and a suspended supporting structure (8) contained in the movable lower beam supporting mechanism (3) at the bottom, the side and the middle of the stair respectively, and support and reinforce the lower part of the stair in an omnibearing manner to ensure the strength of the lower part of the stair body (1), then a protective supporting plate (4) is arranged at the lower edge of the stair body (1), and embedded installation is carried out through the protective supporting plate (4) and the lower edge of the stair body (1), so that the purpose of reinforcing the stairs (12) can be achieved, and an embedded reinforcing steel structure (5) is arranged between the stair body (1) and the protective supporting plate (4), so that the purpose of reinforcing gaps between the stairs (12) and the stairs (12) can be achieved, effectual improvement stair are stability in the use, and it has the pad that gives sound insulation to fill between stair body (1) and protection layer board (4) in addition, can reduce the possibility that the abnormal sound of stair in the use takes place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111334623.9A CN114197771B (en) | 2021-11-11 | 2021-11-11 | Special lower beam arrangement structure and arrangement method for collet type villa ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111334623.9A CN114197771B (en) | 2021-11-11 | 2021-11-11 | Special lower beam arrangement structure and arrangement method for collet type villa ladder |
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| Publication Number | Publication Date |
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| CN114197771A true CN114197771A (en) | 2022-03-18 |
| CN114197771B CN114197771B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111334623.9A Active CN114197771B (en) | 2021-11-11 | 2021-11-11 | Special lower beam arrangement structure and arrangement method for collet type villa ladder |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2547804Y (en) * | 2002-03-02 | 2003-04-30 | 东营市克瑞达楼梯有限责任公司 | Combined spiral stairway |
| JP2007126821A (en) * | 2005-11-01 | 2007-05-24 | Katzden Architec Kk | Spiral staircase, and construction method and staircase unit therefor |
| CN208235829U (en) * | 2017-11-17 | 2018-12-14 | 黎罗根 | A kind of household saw for building |
| CN208329418U (en) * | 2018-06-15 | 2019-01-04 | 王婷 | A kind of spiral stairway convenient for victim's fast-escape |
| CN208899785U (en) * | 2018-09-17 | 2019-05-24 | 浙江嘉腾建设有限公司 | A kind of ruggedized construction of civic building interior trim stair |
| CN210263675U (en) * | 2019-05-30 | 2020-04-07 | 苏州金螳螂建筑装饰股份有限公司 | Stair integral type coupling assembling of marking time |
| CN211114956U (en) * | 2019-11-05 | 2020-07-28 | 江西建设职业技术学院 | Anti-seismic stability-increasing reinforcing structure for concrete stairs |
| CN113323299A (en) * | 2021-06-10 | 2021-08-31 | 武汉诺意鑫装饰工程有限公司 | Prefabricated steel construction stair of assembly type structure |
-
2021
- 2021-11-11 CN CN202111334623.9A patent/CN114197771B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2547804Y (en) * | 2002-03-02 | 2003-04-30 | 东营市克瑞达楼梯有限责任公司 | Combined spiral stairway |
| JP2007126821A (en) * | 2005-11-01 | 2007-05-24 | Katzden Architec Kk | Spiral staircase, and construction method and staircase unit therefor |
| CN208235829U (en) * | 2017-11-17 | 2018-12-14 | 黎罗根 | A kind of household saw for building |
| CN208329418U (en) * | 2018-06-15 | 2019-01-04 | 王婷 | A kind of spiral stairway convenient for victim's fast-escape |
| CN208899785U (en) * | 2018-09-17 | 2019-05-24 | 浙江嘉腾建设有限公司 | A kind of ruggedized construction of civic building interior trim stair |
| CN210263675U (en) * | 2019-05-30 | 2020-04-07 | 苏州金螳螂建筑装饰股份有限公司 | Stair integral type coupling assembling of marking time |
| CN211114956U (en) * | 2019-11-05 | 2020-07-28 | 江西建设职业技术学院 | Anti-seismic stability-increasing reinforcing structure for concrete stairs |
| CN113323299A (en) * | 2021-06-10 | 2021-08-31 | 武汉诺意鑫装饰工程有限公司 | Prefabricated steel construction stair of assembly type structure |
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| CN114197771B (en) | 2023-06-27 |
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