CN111364706B - Integrally assembled building stair - Google Patents
Integrally assembled building stair Download PDFInfo
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- CN111364706B CN111364706B CN202010303224.5A CN202010303224A CN111364706B CN 111364706 B CN111364706 B CN 111364706B CN 202010303224 A CN202010303224 A CN 202010303224A CN 111364706 B CN111364706 B CN 111364706B
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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
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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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
- E04F11/035—Stairways consisting of a plurality of assembled modular parts without further 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
- E04F11/09—Tread-and-riser units
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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
- E04F11/104—Treads
- E04F11/112—Treads of metal or with an upper layer of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention discloses an integrally assembled building stair which comprises an upper layer platform, a lower layer platform, a rest platform and a plurality of stair components, wherein the rest platform and the plurality of stair components are positioned between the upper layer platform and the lower layer platform, one end of each stair component is connected with the rest platform, the other end of each stair component is connected with the upper layer platform or the lower layer platform, each stair component further comprises two supporting plates and a plurality of step plates which are arranged face to face, two ends of each step plate are respectively connected with the inner surfaces of the two supporting plates, the plurality of step plates are sequentially and downwards lapped in an inclined shape, a buffer strip is arranged between every two adjacent step plates, and a buffer sheet is arranged between two ends of each step plate and the two supporting plates. The invention realizes the fully-assembled design of the house stair structure, has good structural stability, is easy to disassemble and assemble, can avoid the conditions of nut loss and the like, and improves the installation efficiency.
Description
Technical Field
The invention relates to the field of buildings, in particular to an integrally assembled building stair.
Background
In recent years, with the continuous improvement of living standard of people, the requirements of people on building speed, building cost, construction quality, energy conservation, environmental protection and the like in the building industry such as houses and the like are also continuously improved, and in order to save resources and energy, reduce construction pollution, improve labor production efficiency and quality safety level, develop green buildings and advanced construction modes, the nation advocates a modern assembly type building system from 2016.
For example, the traditional prefabricated staircase mode is adopted in the stairway of the existing fabricated building, the stairway is divided into three parts, namely a rest board, a stair beam and a stair section, in a factory according to the floor height and the size of a staircase, and then prefabricated components are respectively prefabricated in the factory and assembled and welded during construction.
Disclosure of Invention
The integrally assembled building stair realizes the fully assembled design of a building stair structure, has good structural stability, is easy to disassemble and assemble, can avoid the conditions of nut loss and the like, and improves the installation efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: an integrally assembled building stair comprises an upper platform, a lower platform, a rest platform positioned between the upper platform and the lower platform and a plurality of stair components, wherein one end of each stair component is connected with the rest platform, and the other end of each stair component is connected with the upper platform or the lower platform;
the stair component further comprises two supporting plates and a plurality of step plates, wherein the two supporting plates and the step plates are arranged face to face, two ends of each step plate are respectively connected with the inner surfaces of the two supporting plates, and the step plates are sequentially and downwards lapped in an inclined shape;
a connecting plate is arranged on the surface of each of the two support plates, which is opposite to each other, the connecting plate is arranged at the upper end part of each support plate, the front end of the connecting plate is provided with a first flanging part which is bent towards the direction opposite to the support plates, and the first flanging part is perpendicular to the support plates and is fixedly connected with an upper-layer platform or a rest platform;
the connecting plate is provided with a plurality of first mounting through holes, a first nut is mounted on each first mounting through hole, the supporting plate is provided with a connecting through hole corresponding to each first mounting through hole, and a first bolt penetrates through the connecting through hole in the supporting plate and is in threaded connection with the first nut arranged on the connecting plate;
the upper end and the lower end of each of the two supporting plates are respectively provided with a second flanging part which is bent back to one side of the step plate, the outer side of the second flanging part positioned at the upper end of each supporting plate is provided with a downward upward bending part, and the outer side of the second flanging part positioned at the lower end of each supporting plate is provided with an upward downward bending part;
a buffer strip is arranged between two adjacent step plates, and a buffer sheet is arranged between two ends of each step plate and the two support plates;
the lower end of the stair component is connected with the lower-layer platform, two supporting plates of the stair component are respectively provided with a second supporting piece, the second supporting pieces are arranged on the surfaces of the lower ends of the supporting plates opposite to the step plates, each second supporting piece comprises a first mounting plate connected with the corresponding supporting plate and a second mounting plate connected with the corresponding lower-layer platform, the first mounting plate is provided with a plurality of through holes used for being connected with the corresponding supporting plate, and each through hole is a strip-shaped through hole or a gourd-shaped through hole formed by connecting a plurality of circular through holes in a penetrating manner;
the rest platform further comprises a bottom supporting beam group and a top panel arranged above the bottom supporting beam group, a plurality of long-strip-shaped U-shaped protruding parts are arranged on the lower surface of the top panel at intervals, and long-strip-shaped concave parts are respectively arranged on the surfaces opposite to the U-shaped protruding parts.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the step plates further comprise a horizontal panel and a vertical panel, and in two adjacent step plates, the horizontal panel of one step plate is overlapped with the vertical panel of the other step plate.
2. In the above scheme, two ends of the horizontal panel are respectively provided with a first bending part, and the first bending parts are in contact with the support panel and are fixedly connected through a plurality of bolts.
3. In the scheme, the two ends of the vertical panel are respectively provided with a second bending part, and the second bending parts are in contact with the surface of the supporting plate and are fixedly connected through a plurality of bolts.
4. In the above scheme, the buffer sheet is arranged between the support plate and the first bending part and/or between the support plate and the second bending part.
5. In the scheme, the buffer strip is fixedly arranged on the horizontal panel of the step plate through a plurality of screws.
6. In the scheme, the vertical panel of the step plate is provided with a bending strip in the same direction as the horizontal panel, and the bending strip is in surface contact with the buffer strip.
7. In the above scheme, the cross-sectional shape of the recessed portion is a semicircle.
8. In the above scheme, the upper end and the lower end of the connecting plate are respectively provided with a third flanging part which is in the same direction as the second flanging part.
9. In the above aspect, the outer surface of each third cuff portion is in face-to-face contact with the inner surface of the respective second cuff portion.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the integrally assembled building stair realizes the fully assembled design of the building stair structure, can be assembled only by using simple accessories such as screws and the like on a construction site, avoids assembling steps in the construction site in modes such as welding and the like, simplifies the assembly process, improves the assembly speed, and realizes the integrated convenient installation of the building stair; in addition, a plurality of first mounting through holes are formed in the connecting plate, a first nut is mounted on each first mounting through hole, connecting through holes corresponding to the first mounting through holes are formed in the supporting plate, a first bolt penetrates through the connecting through holes in the supporting plate and is in threaded connection with the first nuts arranged on the connecting plate, and the nuts are arranged on the connecting plate, so that face-to-face locking and fixing are achieved between the supporting plate and the connecting plate, the situation that the joints are distorted and deformed cannot occur, the structural stability is good, the disassembly and assembly are easy, the situation that the nuts are lost can be avoided, and the mounting efficiency is improved.
2. According to the integrally assembled building stair, the upper end and the lower end of each of the two support plates are respectively provided with a second flanging part which is bent back to one side of the step plate, a downward upward bending part is arranged on the outer side of the second flanging part positioned at the upper end of each support plate, an upward downward bending part is arranged on the outer side of the second flanging part positioned at the lower end of each support plate, and the mechanical property of the support plates is improved through the arrangement of the upper flanging parts and the bending parts of the support plates, so that the stability of structural connection between the components of the stair assembly is improved, the structural strength and the stability of the stair assembly are ensured, and further, the stability of the whole structure of the stair assembly is further ensured by the arrangement of the third flanging parts on the connecting plates through the connecting plates and the enhancement of the mechanical strength of the support plates through the connecting plates.
3. According to the integrally assembled building stair, the buffer strip is arranged between two adjacent step plates, the buffer sheet is arranged between two ends of each step plate and two support plates, and the elastic support is provided between the adjacent step plates through the arrangement of the buffer strip, so that the connection stability between each step plate and each adjacent part can be improved, the resonance can be further reduced, and the damping effect of the stair structure can be enhanced; furthermore, the arrangement of the buffer sheet between the support plate and the step plate improves the stability of connection between the support plate and the step plate, enhances the structural strength and further enhances the shock absorption capacity of the integral structure of the stair.
4. The integrally assembled building stair has the advantages that the two support plates of the stair component with the lower end connected with the lower-layer platform are respectively provided with a second support piece, the second support pieces are arranged on the surfaces of the lower ends of the support plates opposite to the step plates, the second support pieces comprise a first mounting plate connected with the support plates and a second mounting plate connected with the lower-layer platform, the first mounting plate is provided with a plurality of through holes for connecting with the support plates, the through holes are strip-shaped through holes or gourd-shaped through holes formed by connecting a plurality of round through holes in a penetrating manner, the arrangement of the second support pieces not only realizes the stable connection of the lower parts of the stair components and the lower-layer platform, but also enhances the structural stability of the building component, and further, the arrangement of the adjustable through holes on the first support plates not only facilitates the installation of the second support pieces, but also enhances the application range of the second support pieces, realize the quick assembly disassembly to stair subassembly.
5. The integrally assembled building stair further comprises a bottom support beam group and a top panel arranged above the bottom support beam group, wherein a plurality of strip-shaped U-shaped protruding parts are arranged on the lower surface of the top panel at intervals, strip-shaped concave parts are respectively arranged on the opposite surfaces of the U-shaped protruding parts, the structural strength of the top panel is increased while the thickness of the top panel is not increased through the interval arrangement of the U-shaped protruding parts on the top panel, the bonding strength between the top panel and a filler (such as concrete) below the top panel is enhanced, and the bonding strength between the top panel and the filler is further enhanced through the arrangement of the concave parts while the structural strength of the top panel is further enhanced, so that the integral structural strength and stability of the stair are enhanced.
Drawings
FIG. 1 is a schematic structural view of an integrally assembled building staircase according to the present invention;
FIG. 2 is a partial schematic structural view of an integrally assembled building staircase according to the present invention;
FIG. 3 is a schematic structural view of a step plate in the integrally assembled building stair of the present invention;
FIG. 4 is a partial schematic structural view of the integrally assembled building stairway of the present invention;
FIG. 5 is a schematic view of a partial structure of the stair assembly of the integrally assembled construction stair of the present invention;
FIG. 6 is a partially exploded view of the integrally assembled stair structure of the present invention;
FIG. 7 is a schematic view of a portion of the stair assembly of the integrally assembled stair for construction according to the present invention;
FIG. 8 is a schematic view of a portion of the stair assembly of the integrally assembled stair for construction according to the present invention;
fig. 9 is a partial structural view of a rest platform in the integrally assembled building stairway of the present invention.
In the above drawings: 1. an upper stage; 2. a lower stage; 3. a resting platform; 31. a bottom support beam set; 32. a top panel; 321. a U-shaped boss; 322. a recessed portion; 4. a stair assembly; 41. a support plate; 411. a second burring; 412. an upper bending part; 413. a lower bending part; 434. a third flanging part; 42. a step plate; 421. a horizontal panel; 422. a vertical panel; 423. a first bending portion; 424. a second bending portion; 43. a connecting plate; 431. a first mounting through hole; 432. a first nut; 433. a first bolt; 44. a first burring; 45. a buffer strip; 46. a buffer sheet; 47. a support member; 48. a connecting member; 49. a second support member; 491. a first mounting plate; 492. a second mounting plate; 493. and a through hole.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: an integrally assembled building stair comprises an upper platform 1, a lower platform 2, a rest platform 3 and a plurality of stair components 4, wherein the rest platform 3 is positioned between the upper platform 1 and the lower platform 2, one end of each stair component 4 is connected with the rest platform 3, and the other end of each stair component 4 is connected with the upper platform 1 or the lower platform 2;
the stair component 4 further comprises two support plates 41 and a plurality of step plates 42 which are arranged face to face, two ends of each step plate 42 are respectively connected with the inner surfaces of the two support plates 41, and the step plates 42 are sequentially and downwards overlapped in an inclined manner;
a connecting plate 43 is arranged on the surface of each of the two support plates 41 which is opposite to each other, the connecting plate 43 is arranged at the upper end part of the support plate 41, the front end of the connecting plate 43 is provided with a first flanging part 44 which is bent towards the direction opposite to the support plate 41, and the first flanging part 44 is perpendicular to the support plate 41 and is fixedly connected with the upper-layer platform 1 or the resting platform 3;
a plurality of first mounting through holes 431 are formed in the connecting plate 43, a first nut 432 is mounted on the first mounting through holes 431, a connecting through hole corresponding to the first mounting through holes 431 is formed in the supporting plate 41, and a first bolt 433 penetrates through the connecting through hole in the supporting plate 41 and is in threaded connection with the first nut 432 arranged on the connecting plate 43;
the upper and lower ends of the two support plates 41 are respectively provided with a second flanging part 411 which is bent back to the side opposite to the step plate 42, the outer side of the second flanging part 411 positioned at the upper end of the support plate 41 is provided with a downward upward bending part 412, and the outer side of the second flanging part 411 positioned at the lower end of the support plate 41 is provided with an upward downward bending part 413;
a buffer strip 45 is arranged between two adjacent step plates 42, and a buffer sheet 46 is arranged between two ends of each step plate 42 and the two support plates 41;
two support plates 41 of the stair component 4 with the lower end connected with the lower platform 2 are respectively provided with a second support member 49, the second support member 49 is arranged on the surface of the lower end of the support plate 41 opposite to the step plate 42, the second support member 49 comprises a first mounting plate 491 connected with the support plate 41 and a second mounting plate 492 connected with the lower platform 2, the first mounting plate 491 is provided with a plurality of through holes 493 used for being connected with the support plate 41, and the through holes 493 are strip-shaped through holes or gourd-shaped through holes formed by connecting a plurality of round through holes in a penetrating way;
the resting platform 3 further comprises a bottom supporting beam group 31 and a top panel 32 installed above the bottom supporting beam group 31, wherein a plurality of strip-shaped U-shaped protrusions 321 are arranged on the lower surface of the top panel 32 at intervals, and strip-shaped recesses 322 are respectively arranged on the surfaces opposite to the U-shaped protrusions 321.
The step plates 42 further include a horizontal panel 421 and a vertical panel 422, and in two adjacent step plates 42, the horizontal panel 421 of one step plate 42 is overlapped with the vertical panel 422 of the other step plate 42;
two ends of the horizontal panel 421 are respectively provided with a first bending portion 423, and the first bending portion 423 is in surface contact with the supporting plate 41 and is fixedly connected with the supporting plate through a plurality of bolts; two ends of the vertical panel 422 are respectively provided with a second bending part 424, and the second bending part 424 is in surface contact with the support plate 41 and is fixedly connected with the support plate through a plurality of bolts;
the buffer sheet 46 is provided between the support plate 41 and the first bent portion 423, and between the support plate 41 and the second bent portion 424; the buffer strip 45 is fixedly arranged on the horizontal panel 421 of the step plate 42 through a plurality of screws; the vertical panel 422 of the step plate 42 has a bending strip in the same direction as the horizontal panel 421, and the bending strip is in surface contact with the buffer strip 45.
Example 2: an integrally assembled building stair comprises an upper platform 1, a lower platform 2, a rest platform 3 and a plurality of stair components 4, wherein the rest platform 3 is positioned between the upper platform 1 and the lower platform 2, one end of each stair component 4 is connected with the rest platform 3, and the other end of each stair component 4 is connected with the upper platform 1 or the lower platform 2;
the stair component 4 further comprises two support plates 41 and a plurality of step plates 42 which are arranged face to face, two ends of each step plate 42 are respectively connected with the inner surfaces of the two support plates 41, and the step plates 42 are sequentially and downwards overlapped in an inclined manner;
a connecting plate 43 is arranged on the surface of each of the two support plates 41 which is opposite to each other, the connecting plate 43 is arranged at the upper end part of the support plate 41, the front end of the connecting plate 43 is provided with a first flanging part 44 which is bent towards the direction opposite to the support plate 41, and the first flanging part 44 is perpendicular to the support plate 41 and is fixedly connected with the upper-layer platform 1 or the resting platform 3;
a plurality of first mounting through holes 431 are formed in the connecting plate 43, a first nut 432 is mounted on the first mounting through holes 431, a connecting through hole corresponding to the first mounting through holes 431 is formed in the supporting plate 41, and a first bolt 433 penetrates through the connecting through hole in the supporting plate 41 and is in threaded connection with the first nut 432 arranged on the connecting plate 43;
the upper and lower ends of the two support plates 41 are respectively provided with a second flanging part 411 which is bent back to the side opposite to the step plate 42, the outer side of the second flanging part 411 positioned at the upper end of the support plate 41 is provided with a downward upward bending part 412, and the outer side of the second flanging part 411 positioned at the lower end of the support plate 41 is provided with an upward downward bending part 413;
a buffer strip 45 is arranged between two adjacent step plates 42, and a buffer sheet 46 is arranged between two ends of each step plate 42 and the two support plates 41;
two support plates 41 of the stair component 4 with the lower end connected with the lower platform 2 are respectively provided with a second support member 49, the second support member 49 is arranged on the surface of the lower end of the support plate 41 opposite to the step plate 42, the second support member 49 comprises a first mounting plate 491 connected with the support plate 41 and a second mounting plate 492 connected with the lower platform 2, the first mounting plate 491 is provided with a plurality of through holes 493 used for being connected with the support plate 41, and the through holes 493 are strip-shaped through holes or gourd-shaped through holes formed by connecting a plurality of round through holes in a penetrating way;
the resting platform 3 further comprises a bottom supporting beam group 31 and a top panel 32 installed above the bottom supporting beam group 31, wherein a plurality of strip-shaped U-shaped protrusions 321 are arranged on the lower surface of the top panel 32 at intervals, and strip-shaped recesses 322 are respectively arranged on the surfaces opposite to the U-shaped protrusions 321.
The cross section of the recess 322 is semicircular; the upper and lower ends of the connecting plate 43 are respectively provided with a third flange portion 434 in the same direction as the second flange portion 411; the outer surface of each of the third burring parts 434 is in face-to-face contact with the inner surface of the corresponding second burring part 411; the lower ends of the two support plates 41 of the stair component 4, the lower ends of which are connected with the rest platform 3, are respectively provided with a support piece 47; the stair assembly 4, the lower end of which is connected to the above-mentioned resting platform 3, is connected to the resting platform 3 by means of a connecting piece 48.
When the integrally assembled building stair is adopted, the fully assembled design of the building stair structure is realized, the building stair can be assembled only by using simple accessories such as screws and the like on a construction site, the steps are prevented from being assembled in the construction site in modes such as welding and the like, the assembly process is simplified, the assembly speed is increased, and the integrated convenient installation of the building stair is realized;
in addition, due to the arrangement of the nuts on the connecting plate, the supporting plate and the connecting plate are locked and fixed face to face, the conditions of distortion and deformation of the connecting part and the like are avoided, the structural stability is good, the disassembly and the assembly are easy, the conditions of nut loss and the like can be avoided, and the installation efficiency is improved;
in addition, the mechanical property of the supporting plate is improved through the arrangement of the flanging part and the bent part on the supporting plate, so that the stability of structural connection among all parts of the stair assembly is improved, the structural strength and the stability of the stair assembly are ensured, and further, the stability of connection between the supporting plate and the connecting plate is ensured through the arrangement of the third flanging part on the connecting plate in a matching manner, the mechanical strength of the supporting plate is enhanced through the connecting plate, and the stability of the whole structure of the building assembly is further ensured;
in addition, through the arrangement of the buffer strips, elastic support is provided between the adjacent step plates, so that the connection stability between the step plates and the adjacent parts can be improved, resonance can be further reduced, and the damping effect of the stair structure is enhanced; furthermore, the arrangement of the buffer sheet between the support plate and the step plate not only improves the connection stability between the support plate and the step plate and enhances the structural strength, but also further enhances the shock absorption capacity of the integral structure of the stair;
in addition, the arrangement of the second supporting piece not only realizes the stable connection of the lower part of the stair component and the lower-layer platform, but also enhances the structural stability of the building body component, and further, through the arrangement of the adjustable through holes on the first supporting plate, the installation of the second supporting piece is convenient, the application range of the second supporting piece is also enhanced, and the rapid disassembly and assembly of the stair component are realized;
in addition, through the interval setting of U type bellying on the top panel, increase the structural strength of top panel when not increasing top panel thickness, strengthened the bonding strength between top panel and its below filler (like the concrete) simultaneously, and the setting of depressed part is then further strengthened its and filler's bonding strength when further strengthening top panel structural strength to the holistic structural strength and the stability of stair have been strengthened.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. An integrative building stair of assembling which characterized in that: the stair assembly comprises an upper-layer platform (1), a lower-layer platform (2), a rest platform (3) and a plurality of stair assemblies (4), wherein the rest platform (3) is positioned between the upper-layer platform (1) and the lower-layer platform (2), one end of each stair assembly (4) is connected with the rest platform (3), and the other end of each stair assembly (4) is connected with the upper-layer platform (1) or the lower-layer platform (2);
the stair component (4) further comprises two support plates (41) arranged face to face and a plurality of step plates (42), two ends of each step plate (42) are respectively connected with the inner surfaces of the two support plates (41), and the step plates (42) are sequentially and downwards overlapped in an inclined manner;
a connecting plate (43) is arranged on the surface of each of the two support plates (41) which is opposite to each other, the connecting plate (43) is arranged at the upper end part of the support plate (41), the front end of the connecting plate (43) is provided with a first flanging part (44) which is bent towards the direction opposite to the support plate (41), and the first flanging part (44) is perpendicular to the support plate (41) and is fixedly connected with the upper-layer platform (1) or the rest platform (3);
the connecting plate (43) is provided with a plurality of first mounting through holes (431), the first mounting through holes (431) are provided with first nuts (432), the supporting plate (41) is provided with connecting through holes corresponding to the first mounting through holes (431), and a first bolt (433) penetrates through the connecting through holes on the supporting plate (41) and is in threaded connection with the first nuts (432) arranged on the connecting plate (43);
the upper end and the lower end of each of the two support plates (41) are respectively provided with a second flanging part (411) which is bent back to one side opposite to the step plate (42), the outer side of the second flanging part (411) positioned at the upper end of each support plate (41) is provided with a downward upward bending part (412), and the outer side of the second flanging part (411) positioned at the lower end of each support plate (41) is provided with an upward downward bending part (413);
a buffer strip (45) is arranged between every two adjacent step plates (42), and a buffer sheet (46) is arranged between the two ends of each step plate (42) and the two support plates (41);
two support plates (41) of a stair component (4) with the lower end connected with the lower-layer platform (2) are respectively provided with a second support member (49), the second support member (49) is arranged on the surface of the lower end of the support plate (41) opposite to the step plate (42), the second support member (49) comprises a first mounting plate (491) connected with the support plate (41) and a second mounting plate (492) connected with the lower-layer platform (2), the first mounting plate (491) is provided with a plurality of through holes (493) used for being connected with the support plate (41), and the through holes (493) are strip-shaped through holes or gourd-shaped through holes formed by penetrating and connecting a plurality of round through holes;
rest platform (3) further include end support beam group (31) and install top panel (32) in end support beam group (31) top, the interval is provided with the rectangular form bellying (321) of a plurality of on the lower surface of top panel (32), has a rectangular form depressed part (322) on the relative surface of this U type bellying (321) respectively.
2. The integrally assembled construction staircase of claim 1, wherein: the step plates (42) further comprise a horizontal panel (421) and a vertical panel (422), and in the two adjacent step plates (42), the horizontal panel (421) of one step plate (42) is overlapped with the vertical panel (422) of the other step plate (42).
3. The integrally assembled construction staircase of claim 2, wherein: two ends of the horizontal panel (421) are respectively provided with a first bending part (423), and the first bending parts (423) are in surface contact with the supporting plate (41) and are fixedly connected through a plurality of bolts.
4. The integrally assembled construction staircase of claim 2 or 3, wherein: two ends of the vertical panel (422) are respectively provided with a second bending part (424), and the second bending parts (424) are in surface contact with the support plate (41) and are fixedly connected through a plurality of bolts.
5. The integrally assembled construction staircase of claim 4, wherein: the buffer sheet (46) is arranged between the support plate (41) and the first bending part (423) and/or between the support plate (41) and the second bending part (424).
6. The integrally assembled construction staircase of claim 2, wherein: the buffer strip (45) is fixedly arranged on a horizontal panel (421) of the step plate (42) through a plurality of screws.
7. The integrally assembled construction staircase of claim 6, wherein: the vertical panel (422) of the step plate (42) is provided with a bending strip which is in the same direction with the horizontal panel (421), and the bending strip is in surface contact with the buffer strip (45).
8. The integrally assembled construction staircase of claim 1, wherein: the cross-sectional shape of the recess (322) is semicircular.
9. The integrally assembled construction staircase of claim 1, wherein: the upper end and the lower end of the connecting plate (43) are respectively provided with a third flanging part (434) which is in the same direction as the second flanging part (411).
10. The integrally assembled construction staircase of claim 9, wherein: the outer surface of each third cuff portion (434) is in face-to-face contact with the inner surface of the respective second cuff portion (411).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303224.5A CN111364706B (en) | 2020-04-17 | 2020-04-17 | Integrally assembled building stair |
| PCT/CN2021/086737 WO2021208871A1 (en) | 2020-04-17 | 2021-04-12 | Integrally assembled building stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303224.5A CN111364706B (en) | 2020-04-17 | 2020-04-17 | Integrally assembled building stair |
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| CN111364706A CN111364706A (en) | 2020-07-03 |
| CN111364706B true CN111364706B (en) | 2021-06-15 |
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| CN111364706B (en) * | 2020-04-17 | 2021-06-15 | 漳州昊恒建材有限公司 | Integrally assembled building stair |
| US20240191507A1 (en) * | 2022-12-09 | 2024-06-13 | The Azek Group Llc | Stair system |
| CN116575662B (en) * | 2023-07-13 | 2023-10-10 | 中国船舶集团国际工程有限公司 | Bidirectional earthquake-resistant stair and box plate assembled steel structure building |
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| CN111364706B (en) * | 2020-04-17 | 2021-06-15 | 漳州昊恒建材有限公司 | Integrally assembled building stair |
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| CN202416743U (en) * | 2012-02-28 | 2012-09-05 | 山东同圆设计集团有限公司 | Concrete stair with horizontal seam on stair board of stair |
| CN204370727U (en) * | 2014-12-01 | 2015-06-03 | 河南亚鹰钢结构幕墙工程有限公司 | Precast stair unit and use the staristep of this stairway unit |
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| CN209686741U (en) * | 2018-12-19 | 2019-11-26 | 中建集成房屋有限公司 | Connecting joint structure at the top of a kind of assembled staircase of bifurcated type half space and stair |
| CN209637140U (en) * | 2019-02-02 | 2019-11-15 | 河南绿建建筑科技有限公司 | Light shock-proof steel concrete modular stairway |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2021208871A1 (en) | 2021-10-21 |
| CN111364706A (en) | 2020-07-03 |
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