CN110886440A - Light steel sloping beam suspended stair - Google Patents
Light steel sloping beam suspended stair Download PDFInfo
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- CN110886440A CN110886440A CN201911137170.3A CN201911137170A CN110886440A CN 110886440 A CN110886440 A CN 110886440A CN 201911137170 A CN201911137170 A CN 201911137170A CN 110886440 A CN110886440 A CN 110886440A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 57
- 239000010959 steel Substances 0.000 title claims abstract description 57
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 40
- 239000000725 suspension Substances 0.000 claims description 50
- 238000010276 construction Methods 0.000 description 18
- 230000002787 reinforcement Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 238000005253 cladding Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
- E04F11/0223—Cantilevered stairways
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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
- E04F11/025—Stairways having stringers
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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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- 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
- E04F11/16—Surfaces thereof; Protecting means for edges or corners thereof
- E04F11/17—Surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention provides a light steel inclined beam hanging stair which comprises an inclined beam stair body, wherein the lower end of the inclined beam stair body is connected with a lower supporting platform, the upper end of the inclined beam stair body is connected with an upper supporting platform, the inclined beam stair body comprises a stair face, and a side supporting beam group and a middle supporting beam group which are connected with the stair face, the side supporting beam group is arranged on two sides of the stair face, the middle supporting beam group is connected with the middle line of the stair face, and the distances between the middle supporting beam group and the supporting beam group on two sides of the stair face are equal. The stair structure can effectively improve the mechanical strength of the stair, meet the use requirement of the stair in a light steel house, optimize the reinforcing form of the stair of the traditional light steel house, improve the connection tightness between the stair and the light steel house, and greatly improve the integrity and stability of the stair.
Description
The technical field is as follows:
the invention relates to the technical field of buildings, in particular to a light steel inclined beam suspended stair.
Background art:
along with the continuous and strict production requirements of building raw materials, the traditional red bricks for buildings are gradually eliminated by the market, in order to solve the dilemma that the buildings lack raw materials, at present, the integrated and assembled houses using light steel as the house framework gradually become the high-quality choice when the single residential houses are built, and the light steel houses have obvious construction advantages, firstly, the building period of the light steel houses is short, and various construction arrangements can be met; and secondly, the light steel house has lower requirements on construction sites, can be widely applied to most of the construction sites, has reliable stability and can provide high-strength wind and earthquake resistance.
But while the audience of the light steel houses is more and more common, the demand side for house construction also puts higher use requirements on the light steel houses, wherein, the demand side generally requires higher building height and more building floors, in order to effectively solve the demand, the building side often needs to plan the bearing structure of the existing light steel house again, especially needs to redesign the important connecting component between the floors, namely the stairs, so as to provide stable and safe stairs, but because of the self building characteristics of the light steel house, redesigning the stairs is inevitable, and the wall, the floor and the bottom plate connected with the stairs need to be modified in a matched manner, so that the workload in the early stage of construction is greatly increased, and the development of normal construction is not facilitated, and therefore, the connection relationship among the stairs, the wall, the floor and the floor is a technical problem which needs to be solved urgently in the construction of the light steel house at present.
Therefore, there is a need in the art for a lightweight steel stringer suspended stairway.
The invention is provided in view of the above.
The invention content is as follows:
the invention aims to provide a light steel oblique beam suspended stair capable of better connecting floors so as to solve at least one technical problem in the prior art.
The light steel inclined beam suspended stair comprises an inclined beam stair, the lower end of the inclined beam stair is connected with a lower supporting platform, the upper end of the inclined beam stair is connected with an upper supporting platform, the inclined beam stair comprises a stair surface, a side supporting beam group and a middle supporting beam group, the side supporting beam group and the middle supporting beam group are connected with the stair surface, the side supporting beam group is arranged on two sides of the stair surface, the middle supporting beam group is connected with the middle line of the stair surface, and the middle supporting beam group is equal in distance from the supporting beam group on two sides of the stair surface.
Adopt above-mentioned structure, can effectively improve the mechanical strength of stair, satisfy the user demand of stair in the light steel house, optimize the reinforcement form of traditional light steel house stair, improved the compactness of being connected between stair and the light steel house, also make the wholeness and the stability of stair itself promote greatly.
Preferably, stair face bottom is provided with the face support column, face support column top is connected with stair face bottom, face support column bottom is connected with side supporting beam group and well supporting beam group.
By adopting the structure, the integration of the inclined beam stair can be effectively improved, and the connection between each component of the inclined beam stair is more stable.
Preferably, well supporting beam group is the same with collateral branch supporting beam group structure, collateral branch supporting beam group includes first hanging oneself from a beam and the second hangs oneself from a beam, first hanging oneself from a beam and the second hangs oneself from a beam and is connected through hanging oneself from a beam support column, first hanging oneself from a beam top is connected with the face support column, the both ends of first hanging oneself from a beam and second hang oneself from a beam are connected with last supporting platform and lower supporting platform respectively.
Furthermore, the two ends of the first suspension beam and the second suspension beam are provided with suspension beam connecting parts, and the suspension beam connecting parts are matched with the upper supporting platform and the lower supporting platform and are used for connecting the first suspension beam and the second suspension beam with the upper supporting platform and the lower supporting platform.
Furthermore, the suspension beam connecting part comprises a connecting and fixing head and connecting and fixing teeth arranged on the connecting and fixing head, and the projection area of the connecting and fixing head on a plane perpendicular to the axis of the connecting and fixing head is smaller than the projection area of the first suspension beam and the second suspension beam on the plane perpendicular to the axis of the first suspension beam and the second suspension beam.
Further, still be provided with the cladding plate on stair face, side supporting beam group and the well supporting beam group, preferably, the cladding plate adopts package galvanized steel sheet, adopts above-mentioned structure, can make the inner structure of sloping stair and external mutual independence, prevents that sloping stair inner structure from suffering the corruption, can effectively improve the life of sloping stair, reduces the potential safety hazard.
Furthermore, one or more of welding, bolt connection and air nail connection are adopted among the inclined beam stairs, the lower supporting platform and the upper supporting platform.
By adopting the structure, the connection strength between the inclined beam stair and the upper supporting platform and between the inclined beam stair and the lower supporting platform can be effectively enhanced, the inclined beam stair can be conveniently installed on the upper supporting platform and the lower supporting platform, and the construction efficiency can be effectively improved.
Preferably, the sloping stair still includes supports the reinforcement frame, support the reinforcement frame and set up in stair face bottom, further, support the reinforcement frame and set up in side support beam group and well supporting beam group, further, support the reinforcement frame and be provided with a plurality ofly.
Further, the number of the steps of the supporting reinforcing frame is the same as that of the steps of the inclined beam stair.
Further, support the rib frame including rib frame upper beam, rib frame side column and rib frame underbeam, the rib frame upper beam is connected with the rib frame side column, the rib frame side column is connected with the rib frame underbeam, the rib frame upper beam is connected with stair face bottom, rib frame side column, side bracing roof beam group and well bracing roof beam group are connected.
Furthermore, the bottom ends of the side supporting beam group and the middle supporting beam group are also provided with supporting flanges, and the supporting flanges are connected with the lower beam of the reinforcing frame.
Adopt above-mentioned structure, optimized the mechanical structure of sloping stair, can effectively disperse the power that the sloping stair bore when using, with the power on the atress main part stair face, each structure in the rational dispersion gives the sloping stair reduces the problem that the first hanging beam that single atress arouses is ageing deformation with higher speed, improves sloping stair safety in utilization and life-span.
Preferably, go up supporting platform and include support face and last supporting layer, it is connected with last supporting layer top to go up support face bottom, go up the supporting layer and include first support beam, second on support beam and last support side post, support beam and last support side post are connected on first support beam and the second, support beam and well support beam group and collateral branch support beam group are connected on first support beam and the second.
Further, still be provided with upper mounting plate connecting portion on first upper supporting beam and the second upper supporting beam, upper mounting plate connecting portion cooperate with the roof beam connecting portion of hanging and are connected.
Further, the upper platform connecting portion comprises a connecting fixing groove and a connecting fixing buckle arranged on the connecting fixing groove, the connecting fixing groove is matched with and connected with the connecting fixing head, and the connecting fixing buckle is matched with and connected with the connecting fixing teeth.
Further, connect fixed knot and set up on the inner wall of connecting the fixed slot, adopt above-mentioned structure, can prevent that the connection structure on upper mounting plate connecting portion and the hanging beam connecting portion from exposing externally, can play outstanding guard action.
By adopting the structure, the integrity between each part of the light steel sloping beam suspended stair is further enhanced, and the light steel sloping beam suspended stair is convenient to use in batch production and actual construction.
Preferably, go up supporting platform still includes the diagonal bracing piece, the diagonal bracing piece includes the main tributary dagger, follows the support column, be connected with the main tributary dagger from support column one end, the other end is connected with the second on the supporting beam, main tributary dagger one end is connected with the second on the supporting beam, the other end is connected with first on the supporting beam.
Further, be provided with drive adjustment mechanism from support column and main tributary dagger link, be provided with the regulation hole on the main tributary dagger, the regulation hole cooperatees with drive adjustment mechanism for adjust from support column and main tributary dagger position relation, the regulation hole is provided with a plurality ofly.
Further, drive adjustment mechanism includes from solid fixed ring of post and fixing bolt, fixing bolt and regulation hole cooperate.
Furthermore, the slave support column is connected with the midpoint of the master support column at one end and connected with the midpoint of the second upper support beam at the other end, the master support column is connected with the endpoint of the second upper support beam at one end and connected with the midpoint of the first upper support beam at the other end.
By adopting the structure, the mechanical strength of the upper supporting platform and the lower supporting platform can be enhanced, and the working stability of the light steel inclined beam suspended stair is improved.
Preferably, the lower support platform is structurally identical to the upper support platform.
Preferably, the light steel sloping beam suspended stair is further provided with a stair platform supporting beam, the stair platform supporting beam is perpendicular to the upper supporting platform and connected with the upper supporting platform, and further, the stair platform supporting beam is further connected with a keel structure of the light steel house.
Furthermore, the landing support beam is connected with the first upper support beam, the second upper support beam and the upper support jamb.
Further, a stair platform supporting beam includes the supporting beam body, roof beam body flange, the roof beam body flange sets up in supporting beam body both sides, supporting beam and last supporting side post are connected with a supporting beam body on first supporting beam and the second, and set up in the roof beam body flange of both sides.
In conclusion, the invention has the following beneficial effects:
1. the invention has the advantages of light dead weight, high strength and good shock resistance, can effectively shorten the construction period, simplify the construction equipment, reduce the construction difficulty, improve the space utilization rate of the house while meeting the normal use function of the stairs, has good lighting and ventilation and saves the production raw materials;
2. the stair can effectively improve the mechanical strength of the stair, meet the use requirement of the stair in a light steel house, optimize the reinforcing form of the stair of the traditional light steel house, improve the tightness of the connection between the stair and the light steel house and greatly improve the integrity and the stability of the stair;
3. the mechanical structure of the inclined beam stair is optimized, the force borne by the inclined beam stair in use can be effectively dispersed, the force on the surface of the stressed main stair is reasonably dispersed to each structure of the inclined beam stair, the problem of accelerated aging deformation of the first suspension beam caused by single stress is solved, and the use safety and the service life of the inclined beam stair are improved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of a light steel stringer suspended stair of the present invention;
FIG. 2 is a first perspective view of the stringer stair of the present invention;
FIG. 3 is an enlarged partial perspective view of a second perspective view of the stringer stair of the present invention;
FIG. 4 is a perspective view of the support reinforcement frame of the present invention;
FIG. 5 is a first perspective view of the upper support platform of the present invention;
FIG. 6 is a schematic view of an upper platform attachment portion of the present invention;
FIG. 7 is a second perspective view of the upper support platform of the present invention;
FIG. 8 is a second perspective, partially enlarged view of the upper support platform of the present invention;
fig. 9 is an enlarged partial perspective view of a landing support beam of the present invention.
Description of reference numerals:
the technical scheme of the invention can be more clearly understood and explained by combining the embodiment of the invention through the reference sign description.
1. A lower support platform; 2. a stringer staircase; 21. a stair board surface; 211. a plate surface supporting column; 22. a set of side support beams; 23. a middle support beam group; 231. a first suspension beam; 232. a second suspension beam; 233. a cantilever beam support column; 234. a suspension beam connection portion; 2341. connecting a fixed head; 2342. connecting fixed teeth; 24. a cladding sheet; 25. supporting the reinforcing frame; 251. reinforcing the frame upper beam; 252. a reinforcing frame side post; 253. reinforcing the frame lower beam; 26. a support flange; 3. an upper support platform; 31. an upper support plate surface; 32. an upper support layer; 321. a first upper support beam; 322. a second upper support beam; 323. an upper support jamb; 324. an upper platform connecting portion; 3241. connecting the fixed grooves; 3242. connecting a fixing buckle; 33. a diagonal support member; 331. a main support column; 3311. an adjustment hole; 332. a secondary support column; 3321. securing the ring from the post; 3322. fixing the bolt; 4. a landing support beam; 41. a support beam body; 42. a beam flange.
The specific implementation mode is as follows:
reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The present invention will be described in detail below by way of examples.
As shown in fig. 1 and 2, the invention provides a light steel inclined beam suspended stair, which comprises an inclined beam stair 2, wherein the lower end of the inclined beam stair 2 is connected with a lower supporting platform 1, the upper end of the inclined beam stair 2 is connected with an upper supporting platform 3, the inclined beam stair 2 comprises a stair surface 21, a side supporting beam group 22 and a middle supporting beam group 23, the side supporting beam group 22 is connected with the stair surface 21, the side supporting beam group 22 is arranged on two sides of the stair surface 21, the middle supporting beam group 23 is connected with the middle line of the stair surface 21, and the distance between the middle supporting beam group 23 and the supporting beam group 22 on two sides of the stair surface 21 is equal. The 21 bottom of stair face is provided with face support column 211, face support column 211 top is connected with 21 bottoms of stair face, face support column 211 bottom is connected with side supporting beam group 22 and well supporting beam group 23, can effectively improve the integration of sloping stair 2, makes and connects more stably between each part of sloping stair 2.
Adopt above-mentioned structure, can effectively improve the mechanical strength of stair, satisfy the user demand of stair in the light steel house, optimize the reinforcement form of traditional light steel house stair, improved the compactness of being connected between stair and the light steel house, also make the wholeness and the stability of stair itself promote greatly.
As shown in fig. 1, 2 and 3, the middle support beam group 23 and the side support beam group 22 have the same structure, the side support beam group 22 includes a first suspension beam 231 and a second suspension beam 232, the first suspension beam 231 and the second suspension beam 232 are connected through a suspension beam support column 233, the top end of the first suspension beam 231 is connected with the panel support column 211, two ends of the first suspension beam 231 and the second suspension beam 232 are respectively connected with the upper support platform 3 and the lower support platform 1, two ends of the first suspension beam 231 and the second suspension beam 232 are provided with suspension beam connection parts 234, and the suspension beam connection parts 234 are matched with the upper support platform 3 and the lower support platform 1 and are used for connecting the first suspension beam 231 and the second suspension beam 232 with the upper support platform 3 and the lower support platform 1.
As shown in fig. 3 and 4, the suspension beam connecting portion 234 includes a connecting fixing head 2341 and a connecting fixing tooth 2342 disposed on the connecting fixing head 2341, a projection area of the connecting fixing head 2341 on a plane perpendicular to an axis of the connecting fixing head 2341 is smaller than a projection area of the first suspension beam 231 and the second suspension beam 232 on a plane perpendicular to axes of the first suspension beam 231 and the second suspension beam 232, and the stair tread 21, the side support beam set 22 and the middle support beam set 23 are further provided with cladding plates 24, in a preferred embodiment of the present invention, the cladding plates 24 are made of zinc-clad steel plates, and by adopting the above structure, an internal structure of the stringer stair 2 can be made independent from the outside, so as to prevent the stringer stair 2 from being corroded, so that a service life of the stringer stair 2 can be effectively prolonged, potential safety hazards can be reduced, and the stringer stair 2, the lower support platform 1 and the upper support platform 3 are welded, One or more of bolt connection and air nail connection. By adopting the structure, the connection strength between the inclined beam stair 2 and the upper supporting platform 3 and between the inclined beam stair 2 and the lower supporting platform 1 can be effectively enhanced, the inclined beam stair 2 can be conveniently installed on the upper supporting platform 3 and the lower supporting platform 1, and the construction efficiency can be effectively improved.
As shown in fig. 2, 3 and 4, the stringer stairway 2 further includes a support reinforcing frame 25, the support reinforcing frame 25 is disposed at the bottom of the stair surface 21, the supporting and reinforcing frames 25 are disposed between the side supporting beam groups 22 and the middle supporting beam group 23, a plurality of supporting and reinforcing frames 25 are provided, the number of the steps of the supporting and reinforcing frame 25 is the same as that of the steps of the sloping beam stair 2, the supporting and reinforcing frame 25 comprises a reinforcing frame upper beam 251, a reinforcing frame side column 252 and a reinforcing frame lower beam 253, the reinforcing frame upper beam 251 is connected to a reinforcing frame side pillar 252, the reinforcing frame side pillar 252 is connected to a reinforcing frame lower beam 253, the reinforcing frame upper beam 251 is connected with the bottom end of the stair surface 21, the reinforcing frame side column 252, the side supporting beam group 22 and the middle supporting beam group 23 are connected, the bottom ends of the side supporting beam group 22 and the middle supporting beam group 23 are further provided with supporting flanges 26, and the supporting flanges 26 are connected with the reinforcing frame lower beam 253. Adopt above-mentioned structure, optimized the mechanical structure of sloping stair 2, can effectively disperse the power that sloping stair 2 bore when using, with the power on the main part stair face 21 that will bear the force, each structure in reasonable dispersion gives sloping stair 2 reduces the problem of the ageing deformation of first hanging beam 231 accelerated that single atress arouses, improves sloping stair 2 safety in utilization and life-span.
As shown in fig. 1, 5 and 6, the upper supporting platform 3 includes an upper supporting plate 31 and an upper supporting layer 32, the bottom end of the upper supporting plate 31 is connected to the top end of the upper supporting layer 32, the upper supporting layer 32 includes a first upper supporting beam 321, a second upper supporting beam 322 and an upper supporting side column 323, the first upper supporting beam 321 and the second upper supporting beam 322 are connected to the middle supporting beam set 23 and the side supporting beam set 22, the first upper supporting beam 321 and the second upper supporting beam 322 are further provided with an upper platform connecting portion 324, the upper platform connecting portion 324 is matched and connected to the suspending beam connecting portion 234, the upper platform connecting portion 324 includes a connecting fixing groove 3241 and a connecting fixing buckle 3242 disposed on the connecting fixing groove 3241, the connecting fixing groove 3241 is matched and connected to the connecting fixing head 2341, the connection fixing buckle 3242 is matched with and connected to the connection fixing teeth 2342, and the connection fixing buckle 3242 is disposed on the inner wall of the connection fixing groove 3241, so that the connection structure between the upper platform connecting portion 324 and the suspension beam connecting portion 234 can be prevented from being exposed to the outside, and an excellent protection effect can be achieved. By adopting the structure, the integrity of each part of the light steel inclined beam suspended stair is enhanced in a preferred embodiment of the invention, and the light steel inclined beam suspended stair is convenient to use in batch production and actual construction.
As shown in fig. 5, 7 and 8, the upper supporting platform 3 further includes a diagonal support 33, the diagonal support 33 includes a main support column 331 and a secondary support column 332, one end of the secondary support column 332 is connected to the main support column 331, the other end of the secondary support column 332 is connected to the second upper support beam 322, one end of the main support column 331 is connected to the second upper support beam 322, the other end of the primary support column 331 is connected to the first upper support beam 321, a driving adjustment mechanism is disposed at a connection end of the secondary support column 332 and the main support column 331, an adjustment hole 3311 is disposed on the main support column 331, the adjustment hole 3311 is matched with the driving adjustment mechanism for adjusting a positional relationship between the secondary support column 332 and the main support column 331, the adjustment hole 3311 is provided with a plurality of adjustment holes, the driving adjustment mechanism includes a secondary column fixing ring 3321 and a fixing bolt 3322, the fixing bolt 3322 is matched with the adjustment hole 3311, one end of the secondary support column 332 is, the other end is connected with the midpoint of the second upper supporting beam 322, one end of the main supporting column 331 is connected with the endpoint of the second upper supporting beam 322, the other end is connected with the midpoint of the first upper supporting beam 321, and the lower supporting platform 1 is consistent with the upper supporting platform 3 in structure. By adopting the structure, the mechanical strength of the upper supporting platform 3 and the lower supporting platform 1 can be enhanced, and the working stability of the light steel inclined beam suspended stair is improved.
As shown in fig. 1 and 9, the lightweight steel stringer suspended stairway is further provided with a landing support beam 4, the landing support beam 4 is perpendicular to the upper support platform 3, and the upper support platform 3 is connected, in a preferred embodiment of the present invention, the landing support beam 4 is further connected to a keel structure of the lightweight steel house, the landing support beam 4 is connected to the first upper support beam 321, the second upper support beam 322 and the upper support jamb 323, the landing support beam 4 includes a support beam body 41 and a beam body flange 42, the beam body flange 42 is disposed at two sides of the support beam body 41, and the first upper support beam 321, the second upper support beam 322 and the upper support jamb 323 are connected to the support beam body 41 and disposed in the beam body flanges 42 at two sides.
In conclusion, the invention has the advantages of light dead weight, high strength and good shock resistance, can effectively shorten the construction period, simplify the construction equipment, reduce the construction difficulty, improve the space utilization rate of the house, achieve good lighting and ventilation and save the production raw materials while meeting the normal use function of the stairs; the stair can effectively improve the mechanical strength of the stair, meet the use requirement of the stair in a light steel house, optimize the reinforcing form of the stair of the traditional light steel house, improve the tightness of the connection between the stair and the light steel house and greatly improve the integrity and the stability of the stair; the mechanical structure of the inclined beam stair 2 is optimized, the force borne by the inclined beam stair 2 in use can be effectively dispersed, the force on the stressed main stair face 21 is reasonably dispersed to each structure in the inclined beam stair 2, the problem of accelerated aging deformation of the first suspension beam 231 caused by single stress is solved, and the use safety and the service life of the inclined beam stair 2 are improved.
It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a light steel sloping beam unsettled stair which characterized in that: the unsettled stair of lightweight steel sloping includes sloping stair (2), sloping stair (2) lower extreme is connected with lower support platform (1), sloping stair (2) upper end is connected with upper support platform (3), sloping stair (2) include stair face (21) to and the side support beam group (22) and well support beam group (23) that are connected with stair face (21), side support beam group (22) set up in stair face (21) both sides, well support beam group (23) are connected with the intermediate line of stair face (21) avris, just well support beam group (23) equal apart from the distance of stair face (21) two support beam group (22).
2. The lightweight steel stringer hanging staircase of claim 1, wherein: stair face (21) bottom is provided with face support column (211), face support column (211) top is connected with stair face (21) bottom, face support column (211) bottom is connected with side supporting beam group (22) and well supporting beam group (23).
3. The lightweight steel stringer hanging staircase of claim 2, wherein: the middle supporting beam group (23) and the side supporting beam group (22) are identical in structure, the side supporting beam group (23) comprises a first suspension beam (231) and a second suspension beam (232), the first suspension beam (231) and the second suspension beam (232) are connected through a suspension beam supporting column (233), the top end of the first suspension beam (231) is connected with a plate surface supporting column (211), and two ends of the first suspension beam (231) and the second suspension beam (232) are respectively connected with the upper supporting platform (3) and the lower supporting platform (1).
4. The lightweight steel stringer hanging staircase of claim 3, wherein: the two ends of the first suspension beam (231) and the second suspension beam (232) are provided with suspension beam connecting parts (234), and the suspension beam connecting parts (234) are matched with the upper supporting platform (1) and the lower supporting platform (3) and are used for connecting the first suspension beam (231) and the second suspension beam (232) with the upper supporting platform (1) and the lower supporting platform (3).
5. The lightweight steel stringer hanging staircase of claim 3, wherein: the sloping stair (2) further comprises a supporting reinforcing frame (25), the supporting reinforcing frame (25) is arranged at the bottom of the stair surface (22), the supporting reinforcing frame (25) is arranged between the side supporting beam group (22) and the middle supporting beam group (23), and the supporting reinforcing frame (25) is provided with a plurality of reinforcing frames.
6. The lightweight steel stringer hanging staircase of claim 5, wherein: the lightweight steel stringer hanging staircase of claim 1, wherein: the supporting reinforcing frame (25) comprises a reinforcing frame upper beam (251), a reinforcing frame side column (252) and a reinforcing frame lower beam (253), the reinforcing frame upper beam (251) is connected with the reinforcing frame side column (252), the reinforcing frame side column (253) is connected with the reinforcing frame lower beam (253), the reinforcing frame upper beam (251) is connected with the bottom end of the stair plate surface (22), and the reinforcing frame side column (252), the side supporting beam group (22) and the middle supporting beam group (23) are connected.
7. The lightweight steel stringer hanging staircase of claim 3, wherein: go up supporting platform (3) including last supporting plate face (31) and go up supporting layer (32), it is connected with last supporting layer (32) top to go up supporting plate face (31) bottom, go up supporting layer (32) including first supporting beam (321), second on supporting beam (322) and go up support side post (323), supporting beam (322) are connected with last support side post (323) on first supporting beam (321) and the second, supporting beam (322) are connected with well supporting beam group (23) and side supporting beam group (22) on first supporting beam (321) and the second.
8. The lightweight steel stringer hanging staircase of claim 7, wherein: still be provided with upper mounting plate connecting portion (324) on first upper supporting beam (321) and the second upper supporting beam (322), upper mounting plate connecting portion (324) cooperate with cantilever beam connecting portion (234) and are connected.
9. The lightweight steel stringer hanging staircase of claim 8, wherein: go up supporting platform (3) and still include bearing diagonal piece (33), bearing diagonal piece (33) include main tributary dagger (331), follow support column (332), be connected with main tributary dagger (331) from support column (332) one end, the other end is connected with support beam (322) on the second, main tributary dagger (331) one end is connected with support beam (322) on the second, and the other end is connected with first support beam (321) of going up.
10. The lightweight steel stringer hanging staircase according to any of claims 1 to 9, wherein: a stair platform supporting beam (4) is further arranged on the light steel oblique beam suspended stair, the stair platform supporting beam (4) is perpendicular to the upper supporting platform (3), and the upper supporting platform (3) is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911137170.3A CN110886440A (en) | 2019-11-19 | 2019-11-19 | Light steel sloping beam suspended stair |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911137170.3A CN110886440A (en) | 2019-11-19 | 2019-11-19 | Light steel sloping beam suspended stair |
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| CN110886440A true CN110886440A (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112878604A (en) * | 2020-10-13 | 2021-06-01 | 南通中慧建筑科技有限公司 | Mobile stair based on BIM |
| CN114215293A (en) * | 2022-01-15 | 2022-03-22 | 福建省川工建设工程有限公司 | Truss-like steel construction stair |
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