CN109083343B - Building stair steel structure framework - Google Patents
Building stair steel structure framework Download PDFInfo
- Publication number
- CN109083343B CN109083343B CN201810826313.0A CN201810826313A CN109083343B CN 109083343 B CN109083343 B CN 109083343B CN 201810826313 A CN201810826313 A CN 201810826313A CN 109083343 B CN109083343 B CN 109083343B
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- ladder
- fixedly connected
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- board
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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
- E04F11/09—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
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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
- E04F11/1041—Treads having means to adjust the height, the depth and/or the slope of the stair steps
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a building stair steel structure framework, wherein a base ladder comprises a bottom plate, vertical ladder boards I, transverse ladder boards, side boards I, studs I and jack boards I, wherein the upper end of the bottom plate is fixedly connected with the vertical ladder boards I; the equal fixedly connected with in both ends inserts the post around the perpendicular ladder board II lower extreme, and two are inserted the post and are inserted both ends around the board I of inserting respectively clearance fit, and the right-hand member fixedly connected with horizontal ladder board II of perpendicular ladder board II upper end, the equal fixedly connected with sideboard II in both ends around horizontal ladder board II, the equal fixedly connected with double-screw bolt II in two sideboard II's outer end, the both ends of two connecting rods are inserted between double-screw bolt II and double-screw bolt I with one side.
Description
Technical Field
The invention relates to the field of buildings, in particular to a steel structure framework of a building stair.
Background
The existing stair mounting structure comprises a stair tread and a vertical plate, wherein the upper surface and the front end surface of the stair tread are in arc transition, the front end of the stair tread is provided with a stepping nose which extends downwards and backwards, the rear side of the stepping nose is provided with a female slot, and a male tenon buckling strip matched with the female slot is fixed on the vertical plate; the stair mounting structure has the advantages of ingenious structure and capability of preventing stair treads from warping when in use. But the tuning performance of the invention is general and cannot be infinitely connected.
Disclosure of Invention
The invention aims to provide a steel structure framework for building stairs, which aims to solve the problems in the background technology.
In order to realize the purpose, the invention provides the following technical scheme: a steel structure framework of a building stair comprises a base ladder and a middle ladder, wherein the base ladder comprises a bottom plate, vertical ladder boards I, transverse ladder boards, side boards I, studs I and jack boards I, the upper end of the bottom plate is fixedly connected with the vertical ladder boards I, the right side of the upper end of each vertical ladder board I is fixedly connected with the transverse ladder boards I, the front end and the rear end of each transverse ladder board are fixedly connected with the side boards I, the outer ends of the two side boards I are fixedly connected with the studs I, and the right end of each transverse ladder board is fixedly connected with the jack board I;
middle ladder is including erecting ladder board II, horizontal ladder board II, sideboard II, the connecting rod, double-screw bolt II with insert the post, the equal fixedly connected with in both ends inserts the post around erecting ladder board II lower extreme, two insert the post respectively clearance fit insert at both ends around the board I of inserting, the horizontal ladder board II of right-hand member fixedly connected with of erecting ladder board II upper end, the equal fixedly connected with sideboard II in both ends around horizontal ladder board II, the equal fixedly connected with double-screw bolt II in outer end of two sideboard II, insert between double-screw bolt II and the double-screw bolt I with one side at the both ends of two connecting rods, double-screw bolt II and double-screw bolt I's outermost end all has the nut through threaded connection.
Preferably, the base ladder still includes lug, dead slot, adjusting screw, rotates bedplate and spacing ring, is provided with the dead slot on the horizontal ladder board, the equal fixedly connected with lug in both ends around the dead slot, erects the right-hand member fixedly connected with rotation bedplate of ladder board I lower extreme, and adjusting screw has been inserted to the right-hand member clearance fit of rotating the bedplate, and adjusting screw's lower extreme fixedly connected with spacing ring, the hexagon head on spacing ring and the adjusting screw is located the upper and lower both ends of rotating the bedplate respectively.
Preferably, the middle ladder further comprises a jack plate II, and the right end of the horizontal ladder plate II is fixedly connected with the jack plate II.
Preferably, the companion ladder includes lifter plate, lift empty frame, undercut groove and screw hole board, and the upper end fixedly connected with lifter plate of lift empty frame, lift empty frame sliding connection are on the empty groove, and the lifter plate is located the upper end of horizontal step board, and the lower extreme fixedly connected with screw hole board of lift empty frame, adjusting screw and screw hole board pass through the screw thread and cooperate, and both ends all are provided with the undercut groove around the lift empty frame, two undercut grooves respectively with two lug sliding connection.
Preferably, the middle ladder is provided with a plurality of, two inserting posts on one middle ladder can be inserted on the inserting hole plate II on the other in a clearance fit mode, and two studs II on the same side of the two middle ladders can be connected through a connecting rod.
Compared with the prior art, the invention has the beneficial effects that:
1. through the perpendicular terraced board I of upper end fixedly connected with of bottom plate, the upper end right side fixedly connected with horizontal terraced board of perpendicular terraced board I, the equal fixedly connected with sideboard I in both ends around the horizontal terraced board, the equal fixedly connected with double-screw bolt I in outer end of two sideboard I, the right-hand member fixedly connected with jack board I of horizontal terraced board for the base ladder is as the base of building stair, and the bottom plate can bury ground with the concrete, thereby is fixed with the base ladder, erects terraced board I and horizontal terraced board one-tenth step.
2. Inserting columns are fixedly connected with the front end and the rear end of the lower end of the vertical ladder board II respectively, the two inserting columns are inserted into the front end and the rear end of the inserting hole board I in a clearance fit mode respectively, the right end of the upper end of the vertical ladder board II is fixedly connected with a horizontal ladder board II, the front end and the rear end of the horizontal ladder board II are fixedly connected with side boards II, the outer ends of the two side boards II are fixedly connected with studs II, the two ends of two connecting rods are inserted between the studs II and the I on the same side, the outermost ends of the studs II and the I are connected with nuts, so that the vertical ladder board II and the horizontal ladder board II form a step, the two inserting columns are respectively inserted at the front end and the rear end of the inserting hole board I in a clearance fit way, thereby link together base ladder and middle ladder, two connecting rods between base ladder and the middle ladder are together fixed base ladder and middle ladder, and the effect of the nut of double-screw bolt II and double-screw bolt I outermost end prevents that the connecting rod from breaking away from.
3. Through being provided with the dead slot on the horizontal ladder board, the equal fixedly connected with lug in both ends around the dead slot, the right-hand member fixedly connected with of perpendicular ladder board I lower extreme rotates the bedplate, adjusting screw has been inserted to the right-hand member clearance fit of rotating the bedplate, adjusting screw's lower extreme fixedly connected with spacing ring, and the hexagon head on spacing ring and the adjusting screw is located the upper and lower both ends of rotating the bedplate respectively for adjusting screw can be rotatory on rotating the bedplate, and the spacing ring prevents that adjusting screw from vertical slip on rotating the bedplate.
4. Through the upper end fixedly connected with lifter plate of lift empty frame, lift empty frame sliding connection is on the dead slot, the lifter plate is located the upper end of horizontal ladder board, the lower extreme fixedly connected with screw hole board of lift empty frame, adjusting screw passes through the screw thread with the screw hole board and cooperatees, both ends all are provided with the undercut groove around the lift empty frame, two undercut grooves respectively with two lug sliding connection, make the hexagon head of rotating adjusting screw bottom can drive adjusting screw and rotate, adjusting screw can drive the screw hole board when rotating and go up and down, thereby drive lift empty frame and lifter plate and go up and down, thereby adjust the top height of base ladder, make the different topography of base ladder adaptation, the cooperation in lug and undercut groove makes the slip of lift empty frame more stable.
5. Be provided with a plurality ofly through middle ladder, two on the ladder in the middle of one insert the post can clearance fit insert on another socket plate II, can connect through the connecting rod between two double-screw bolts II with one side on two middle ladders for a plurality of middle ladders can be connected, realize the unlimited connection of middle ladder, and the connecting rod can be in the same place two adjacent middle ladders are fixed.
Drawings
Fig. 1 is a first structural schematic view of a steel structural framework of a building stair provided by an embodiment of the invention;
fig. 2 is a structural schematic view of a steel structural framework of a building stair provided in an embodiment of the invention;
FIG. 3 is a first schematic structural view of a base ladder;
FIG. 4 is a second schematic structural view of the base ladder;
FIG. 5 is a schematic structural view of a stop collar;
FIG. 6 is a first schematic structural view of an intermediate ladder;
FIG. 7 is a second schematic structural view of the intermediate ladder;
FIG. 8 is a first schematic structural view of the elevator;
fig. 9 is a schematic structural view of the elevator.
In the figure: a base ladder 1; a bottom plate 1-1; a riser I1-2; 1-3 of a bump; 1-4 of empty groove; 1-5 of a horizontal ladder plate; side boards I1-6; a stud I1-7; the jack plate I1-81-8; 1-9 of an adjusting screw; rotating the seat plate 1-10; 1-11 parts of a limiting ring; an intermediate ladder 2; a riser II 2-1; a horizontal ladder board II 2-2; side board II 2-3; 2-4 of a connecting rod; stud II 2-5; 2-6 of inserted columns; the jack plate II 2-7; an elevator 3; a lifting plate 3-1; 3-2 of a lifting empty frame; 3-3 of an invagination groove; and 3-4 parts of a threaded pore 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. 1-9, the present invention provides a technical solution: a steel structure framework of a building stair comprises a base ladder 1 and a middle ladder 2, wherein the base ladder 1 comprises a bottom plate 1-1, vertical ladder boards I1-2, transverse ladder boards 1-5, side boards I1-6, studs I1-7 and jack boards I1-8, the upper end of the bottom plate 1-1 is fixedly connected with the vertical ladder boards I1-2, the right side of the upper end of each vertical ladder board I1-2 is fixedly connected with the transverse ladder boards 1-5, the front end and the rear end of each transverse ladder board 1-5 are fixedly connected with the side boards I1-6, the outer ends of the two side boards I1-6 are fixedly connected with the studs I1-7, and the right end of each transverse ladder board 1-5 is fixedly connected with the jack boards I1-8;
the middle ladder 2 comprises a vertical ladder board II2-1, a horizontal ladder board II2-2, a side board II2-3, a connecting rod 2-4, a stud II2-5 and a plug post 2-6, the front end and the rear end of the lower end of the vertical step plate II2-1 are fixedly connected with inserting columns 2-6 respectively, the two inserting columns 2-6 are inserted into the front end and the rear end of the jack plate I1-8 in a clearance fit mode respectively, the right end of the upper end of the vertical step plate II2-1 is fixedly connected with a transverse step plate II2-2, the front end and the rear end of the transverse step plate II2-2 are fixedly connected with side plates II2-3 respectively, the outer ends of the two side plates II2-3 are fixedly connected with studs II2-5 respectively, two ends of two connecting rods 2-4 are inserted between the studs II2-5 and the studs I1-7 on the same side, and the outermost ends of the studs II2-5 and the studs I1-.
The base ladder 1 further comprises a bump 1-3, an empty groove 1-4, an adjusting screw 1-9, a rotating seat plate 1-10 and a limiting ring 1-11, the empty groove 1-4 is formed in a horizontal ladder plate 1-5, the bump 1-3 is fixedly connected to the front end and the rear end of the empty groove 1-4, the rotating seat plate 1-10 is fixedly connected to the right end of the lower end of a vertical ladder plate I1-2, the adjusting screw 1-9 is inserted into the right end of the rotating seat plate 1-10 in a clearance fit mode, the limiting ring 1-11 is fixedly connected to the lower end of the adjusting screw 1-9, and hexagonal heads on the limiting ring 1-11 and the adjusting screw 1-9 are respectively located at the upper end and the lower end of the rotating seat plate.
The middle ladder 2 further comprises a jack plate II2-7, and the right end of the horizontal ladder plate II2-2 is fixedly connected with the jack plate II 2-7.
The elevator 3 comprises an elevator plate 3-1, an elevating empty frame 3-2, an invagination groove 3-3 and a threaded hole plate 3-4, the upper end of the elevating empty frame 3-2 is fixedly connected with the elevator plate 3-1, the elevating empty frame 3-2 is slidably connected onto the empty groove 1-4, the elevator plate 3-1 is positioned at the upper end of the horizontal ladder plate 1-5, the lower end of the elevating empty frame 3-2 is fixedly connected with the threaded hole plate 3-4, an adjusting screw 1-9 is matched with the threaded hole plate 3-4 through threads, the invagination groove 3-3 is arranged at each of the front end and the rear end of the elevating empty frame 3-2, and the two invagination grooves 3-3 are respectively slidably connected with the two convex blocks 1-3.
The middle ladder 2 is provided with a plurality of middle ladders, two inserting posts 2-6 on one middle ladder 2 can be inserted into the inserting hole plate II2-7 on the other middle ladder in a clearance fit mode, and two studs II2-5 on the same side of the two middle ladders 2 can be connected through connecting rods 2-4.
The working principle is as follows: the base ladder 1 is used as a base of a building ladder, the bottom plate 1-1 can be buried in the ground by concrete, so that the base ladder 1 is fixed, and the vertical ladder plate I1-2 and the horizontal ladder plate 1-5 form a step. The vertical ladder plate II2-1 and the horizontal ladder plate II2-2 form a step, two inserting columns 2-6 are inserted at the front end and the rear end of the inserting hole plate I1-8 in a clearance fit mode respectively so as to connect the base ladder 1 and the middle ladder 2 together, two connecting rods 2-4 between the base ladder 1 and the middle ladder 2 fix the base ladder 1 and the middle ladder 2 together, and the nuts at the outermost ends of the studs II2-5 and the studs I1-7 are used for preventing the connecting rods 2-4 from being separated. The adjusting screws 1-9 can rotate on the rotating seat plates 1-10, and the limiting rings 1-11 prevent the adjusting screws 1-9 from vertically sliding on the rotating seat plates 1-10. The hexagonal heads at the bottoms of the adjusting screws 1-9 can drive the adjusting screws 1-9 to rotate, the adjusting screws 1-9 can drive the threaded hole plates 3-4 to lift when rotating, so that the lifting empty frames 3-2 and the lifting plates 3-1 are driven to lift, the top height of the base ladder 1 is adjusted, the base ladder 1 is suitable for different terrains, and the lifting empty frames 3-2 can slide more stably due to the cooperation of the convex blocks 1-3 and the inward concave grooves 3-3. A plurality of intermediate ladders 2 can be connected to realize the infinite connection of the intermediate ladders 2, and the connecting rods 2-4 can fix two adjacent intermediate ladders 2 together.
The upper end of the bottom plate 1-1 is fixedly connected with a vertical step plate I1-2, the right side of the upper end of the vertical step plate I1-2 is fixedly connected with a horizontal step plate 1-5, the front end and the rear end of the horizontal step plate 1-5 are fixedly connected with side plates I1-6, the outer ends of the two side plates I1-6 are fixedly connected with studs I1-7, and the right end of the horizontal step plate 1-5 is fixedly connected with a jack plate I1-8, so that the base step 1 serves as a base of a building stair, the bottom plate 1-1 can be buried into the ground by concrete, the base step 1 is fixed, and the vertical step plate I1-2 and the horizontal step plate 1-5 form a step.
The front end and the rear end of the lower end of a vertical ladder board II2-1 are fixedly connected with inserting columns 2-6 respectively, the two inserting columns 2-6 are inserted into the front end and the rear end of an inserting hole plate I1-8 in a clearance fit manner respectively, the right end of the upper end of a vertical ladder board II2-1 is fixedly connected with a horizontal ladder board II2-2, the front end and the rear end of the horizontal ladder board II2-2 are fixedly connected with side boards II2-3 respectively, the outer ends of the two side boards II2-3 are fixedly connected with studs II2-5 respectively, the two ends of two connecting rods 2-4 are inserted between studs 539II 7-5 and studs I1-7 on the same side, the outermost ends of the studs 2-5 and the studs I1-7 are both connected with nuts through threads, so that the vertical ladder board II2-1 and the horizontal ladder board II2-2 form a step, the two inserting columns 2-6 are inserted into the front, thereby connecting the base ladder 1 and the middle ladder 2 together, the two connecting rods 2-4 between the base ladder 1 and the middle ladder 2 fix the base ladder 1 and the middle ladder 2 together, and the nuts at the outermost ends of the studs II2-5 and the studs I1-7 have the function of preventing the connecting rods 2-4 from being separated.
The horizontal ladder boards 1-5 are provided with empty grooves 1-4, the front ends and the rear ends of the empty grooves 1-4 are fixedly connected with bumps 1-3, the right end of the lower end of the vertical ladder board I1-2 is fixedly connected with rotating seat boards 1-10, the right ends of the rotating seat boards 1-10 are inserted with adjusting screws 1-9 in a clearance fit mode, the lower ends of the adjusting screws 1-9 are fixedly connected with limiting rings 1-11, and the hexagonal heads on the limiting rings 1-11 and the adjusting screws 1-9 are respectively positioned at the upper end and the lower end of the rotating seat boards 1-10, so that the adjusting screws 1-9 can rotate on the rotating seat boards 1-10, and the limiting rings 1-11 prevent the adjusting screws 1-9 from vertically sliding on the rotating seat boards 1-10.
The upper end of a lifting empty frame 3-2 is fixedly connected with a lifting plate 3-1, the lifting empty frame 3-2 is connected on an empty groove 1-4 in a sliding manner, the lifting plate 3-1 is positioned at the upper end of a horizontal ladder plate 1-5, the lower end of the lifting empty frame 3-2 is fixedly connected with a threaded hole plate 3-4, an adjusting screw 1-9 is matched with the threaded hole plate 3-4 through threads, the front end and the rear end of the lifting empty frame 3-2 are respectively provided with an invagination groove 3-3, the two invagination grooves 3-3 are respectively connected with two bumps 1-3 in a sliding manner, so that a hexagon head at the bottom of the adjusting screw 1-9 can drive the adjusting screw 1-9 to rotate, the adjusting screw 1-9 can drive the threaded hole plate 3-4 to lift when rotating, and the lifting empty frame 3-2 and the lifting plate 3-1, therefore, the height of the top end of the base ladder 1 is adjusted, the base ladder 1 is suitable for different terrains, and the lifting hollow frame 3-2 slides more stably due to the cooperation of the convex blocks 1-3 and the inward concave grooves 3-3.
The middle ladders 2 are provided with a plurality of inserting poles, two inserting poles 2-6 on one middle ladder 2 can be inserted into the inserting hole plates II2-7 on the other through clearance fit, and two studs II2-5 on the same side of the two middle ladders 2 can be connected through the connecting rods 2-4, so that the middle ladders 2 can be connected, the infinite connection of the middle ladders 2 is realized, and the connecting rods 2-4 can fix the two adjacent middle ladders 2 together.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides a building stair steel structure skeleton, includes base ladder (1), middle ladder (2) and companion ladder (3), its characterized in that: the base ladder (1) comprises a bottom plate (1-1), vertical ladder plates I (1-2), transverse ladder plates (1-5), side plates I (1-6), studs I (1-7) and jack plates I (1-8), the upper end of the bottom plate (1-1) is fixedly connected with the vertical ladder plates I (1-2), the right side of the upper end of the vertical ladder plates I (1-2) is fixedly connected with the transverse ladder plates (1-5), the front end and the rear end of each transverse ladder plate (1-5) are fixedly connected with the side plates I (1-6), the outer ends of the two side plates I (1-6) are fixedly connected with the studs I (1-7), and the right end of each transverse ladder plate (1-5) is fixedly connected with the jack plates I (1-8);
the middle ladder (2) comprises a vertical ladder plate II (2-1), a horizontal ladder plate II (2-2), side plates II (2-3), connecting rods (2-4), studs II (2-5) and inserting columns (2-6), the front end and the rear end of the lower end of the vertical ladder plate II (2-1) are fixedly connected with inserting columns (2-6), the two inserting columns (2-6) are respectively inserted into the front end and the rear end of the inserting hole plate I (1-8) in a clearance fit mode, the right end of the upper end of the vertical ladder plate II (2-1) is fixedly connected with a horizontal ladder plate II (2-2), the front end and the rear end of the horizontal ladder plate II (2-2) are fixedly connected with side plates II (2-3), the outer ends of the two side plates II (2-3) are fixedly connected with studs II (2-5), and the two connecting rods (2-4) are inserted between the studs II (2-5) and the I (1-7) at the same side (ii) a
The base ladder (1) further comprises a bump (1-3), an empty groove (1-4), an adjusting screw (1-9) and a rotating seat board (1-10), the empty groove (1-4) is formed in the horizontal ladder board (1-5), the bump (1-3) is fixedly connected to the front end and the rear end of the empty groove (1-4), the rotating seat board (1-10) is fixedly connected to the right end of the lower end of the vertical ladder board I (1-2), and the adjusting screw (1-9) is inserted into the right end of the rotating seat board (1-10) in a clearance fit mode;
the lifting ladder (3) comprises a lifting plate (3-1), a lifting empty frame (3-2), an invagination groove (3-3) and a threaded hole plate (3-4), the upper end of the lifting empty frame (3-2) is fixedly connected with the lifting plate (3-1), the lifting empty frame (3-2) is connected to the empty groove (1-4) in a sliding mode, the lifting plate (3-1) is located at the upper end of the cross ladder plate (1-5), and the lower end of the lifting empty frame (3-2) is fixedly connected with the threaded hole plate (3-4);
the adjusting screws (1-9) are matched with the threaded hole plates (3-4) through threads, the front end and the rear end of the lifting hollow frame (3-2) are respectively provided with an invagination groove (3-3), and the two invagination grooves (3-3) are respectively in sliding connection with the two bumps (1-3).
2. The steel structural framework for building stairs of claim 1, wherein: the base ladder (1) further comprises limiting rings (1-11), the lower ends of the adjusting screws (1-9) are fixedly connected with the limiting rings (1-11), and the hexagonal heads on the limiting rings (1-11) and the adjusting screws (1-9) are respectively located at the upper end and the lower end of the rotating seat plate (1-10).
3. The steel structural framework for building stairs of claim 1, wherein: the middle ladder (2) further comprises a jack plate II (2-7), and the right end of the transverse ladder plate II (2-2) is fixedly connected with the jack plate II (2-7).
4. The steel structural framework for building stairs according to claim 3, wherein: the middle ladder (2) is provided with a plurality of inserting columns (2-6) on one middle ladder (2) can be inserted into the inserting hole plate II (2-7) on the other inserting column in a clearance fit mode.
5. The steel structural framework for building stairs of claim 1, wherein: two studs II (2-5) on the same side of the two middle ladders (2) can be connected through connecting rods (2-4).
6. The steel structural framework for building stairs of claim 1, wherein: the outermost ends of the studs II (2-5) and the studs I (1-7) are connected with nuts through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826313.0A CN109083343B (en) | 2018-07-25 | 2018-07-25 | Building stair steel structure framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826313.0A CN109083343B (en) | 2018-07-25 | 2018-07-25 | Building stair steel structure framework |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109083343A CN109083343A (en) | 2018-12-25 |
| CN109083343B true CN109083343B (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810826313.0A Active CN109083343B (en) | 2018-07-25 | 2018-07-25 | Building stair steel structure framework |
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| CN (1) | CN109083343B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853878B (en) * | 2019-01-04 | 2020-08-25 | 浙江鲸叹科技有限公司 | Stair with steps capable of automatically ascending and descending |
| CN111535530B (en) * | 2020-05-22 | 2021-06-01 | 浙江鼎兴建设有限公司 | Assembled stair |
| CN111691617B (en) * | 2020-07-01 | 2021-08-10 | 上海工程技术大学 | Electric driving device for assisting going upstairs and downstairs |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2693858Y (en) * | 2004-02-13 | 2005-04-20 | 高雷 | Combined stairs |
| US20090293385A1 (en) * | 2008-05-28 | 2009-12-03 | Carlos Vargas | Boltless Metal Stair Step System for Indoor/Outdoor Staircase Installation |
| CN105332480A (en) * | 2014-08-07 | 2016-02-17 | 黑龙江华信家具有限公司 | Assembly type stair |
| CN205224464U (en) * | 2015-12-25 | 2016-05-11 | 长安大学 | Ladder that can remove and go up and down |
| CN206495433U (en) * | 2017-02-15 | 2017-09-15 | 北京四汇建筑工程有限责任公司 | A kind of assembled steel structure stair |
| CN207363137U (en) * | 2017-10-31 | 2018-05-15 | 中建科技（福州）有限公司 | A kind of flat moulded prefabricated stair |
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2018
- 2018-07-25 CN CN201810826313.0A patent/CN109083343B/en active Active
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| CN109083343A (en) | 2018-12-25 |
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