CN113175166A - Prefabricated steel construction stair convenient to change handrail - Google Patents
Prefabricated steel construction stair convenient to change handrail Download PDFInfo
- Publication number
- CN113175166A CN113175166A CN202110424157.7A CN202110424157A CN113175166A CN 113175166 A CN113175166 A CN 113175166A CN 202110424157 A CN202110424157 A CN 202110424157A CN 113175166 A CN113175166 A CN 113175166A
- Authority
- CN
- China
- Prior art keywords
- platform
- beam column
- handrail
- handrails
- prefabricated steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F11/181—Balustrades
- E04F11/1817—Connections therefor
-
- 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
- E04F2011/0203—Miscellaneous features of stairways not otherwise provided for
- E04F2011/0205—Stairways characterised by the use of specific materials for the supporting structure of the treads
- E04F2011/0207—Stairways characterised by the use of specific materials for the supporting structure of the treads mainly of wood
-
- 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
- E04F2011/1046—Miscellaneous features of treads not otherwise provided for
- E04F2011/1047—Miscellaneous features of treads not otherwise provided for with means for eliminating squeak
Abstract
The invention discloses a prefabricated steel structure stair convenient for replacing handrails, which comprises a rear beam column, a wall surface, a bracket and handrails, wherein connecting plates are fixedly welded at the left end and the right end of the rear beam column and the left end and the right end of a front beam column, the rear beam column is arranged behind the front beam column, a first platform and a second platform are fixedly arranged on the front side of the wall surface, and the first platform is arranged on the left side of the second platform. This prefabricated steel construction stair convenient to change handrail, be provided with the handrail, double-screw bolt and swivelling joint spare, two adjacent handrails of screw rod and embedded nut cooperation pulling, make two adjacent handrails paste tight swivelling joint spare, the slider slides in the spout simultaneously, play the effect of size compensation, the double-screw bolt of the handrail bottom of concatenation completion runs through wooden footboard and layer board afterwards, rotate fastening nut, play the effect of fixed handrail, need not to use the concatenation and the installation that the welding can accomplish the handrail, the handrail of being convenient for follow-up dismantlement renewal, it has the practicality to use more.
Description
Technical Field
The invention relates to the technical field of prefabricated steel structure stairs, in particular to a prefabricated steel structure stair with handrails convenient to replace.
Background
The stair is a component used for vertical traffic between floors in a building, wherein the steel structure stair has the advantages of light dead weight, strong earthquake resistance, recyclability and the like compared with the traditional concrete pouring stair, and the steel structure stair gradually replaces the traditional concrete pouring stair in the modern building construction.
Current steel construction stair rely on steel to build totally usually, when in-service use, it is great to trample the noise on the steel footboard, cause the influence to daily life easily, and the handrail of current steel construction stair relies on welded mode completely fixed, then lead to this handrail not convenient to detach, it is convenient inadequately to use, the overall structure of current steel construction stair relies on welded mode equipment fixed usually, but building site's processing environment is poor, be difficult to guarantee welding quality, it has certain potential safety hazard to use, the equipment part of current steel construction stair is specific size usually, be difficult to adjust according to actual construction demand, it has certain limitation to use, to above-mentioned problem, need improve existing equipment.
Disclosure of Invention
The invention aims to provide a prefabricated steel structure stair with handrails convenient to replace, and aims to solve the problems that the conventional steel structure stair proposed in the background art is usually built by steel materials completely, when the stair is actually used, the noise caused by treading on steel pedals is large, the daily life is easily influenced, the handrails of the conventional steel structure stair are fixed by a welding mode completely, the handrails are inconvenient to disassemble and not convenient to use, the integral structure of the conventional steel structure stair is usually assembled and fixed by the welding mode, the processing environment of a building site is poor, the welding quality is difficult to ensure, and certain potential safety hazards exist in use.
In order to achieve the purpose, the invention provides the following technical scheme: a prefabricated steel structure stair convenient for replacing a handrail, which comprises a back beam column, a wall surface, a bracket and the handrail,
the left end and the right end of the rear beam column and the left end and the right end of the front beam column are respectively welded and fixed with a connecting plate, the rear beam column is arranged behind the front beam column, a first platform and a second platform are fixedly arranged on the front side of the wall surface, the first platform is arranged at the left of the second platform, the front side of the first platform and the front side of the second platform are both fixedly connected with the upright post, the bottoms of the upright posts are embedded below the ground, the top of the front side of the first platform, the bottom of the rear side of the first platform, the bottom of the front side of the second platform and the top of the rear side of the second platform are all provided with mounting grooves, the connecting plate on the right side of the back beam column is arranged in the mounting groove at the bottom of the back side of the second platform in an attaching mode, the connecting plate on the left side of the rear beam column is attached to and arranged in the mounting groove at the top of the rear side of the first platform, the connecting plate on the right side of the front beam column is attached to and arranged in the mounting groove at the top of the second front side, and the connecting plate on the left side of the front beam column is attached to and arranged in the mounting groove at the bottom of the front side of the first platform;
the bracket is welded and fixed on the upper side of the rear beam column and the upper side of the front beam column, the supporting plates are arranged on the upper side of the bracket in a laminating manner, wood pedals are bonded on the outer sides of the supporting plates, the outer sides of the first platform and the outer sides of the second platform, and the wood pedals are bonded with the supporting plates, the wood pedals are bonded with the first platform and the second platform through filling foaming glue;
the handrail, the handrail is unsettled in layer board top, first platform top and second platform top, and handrail bottom welded fastening has the support column, support column bottom welded fastening has the double-screw bolt, and the double-screw bolt runs through wooden footboard and layer board and is connected with fastening nut, embedded nut has been buried underground to handrail one side, and is provided with swivel connected coupler between two adjacent handrails, set up the spout in the swivel connected coupler, and sliding connection has the slider in the spout, the slider left and right sides all is fixed with the screw rod, and the screw rod runs through swivel connected coupler and with embedded nut threaded connection.
Preferably, the connection plate on the left side of the lowermost rear beam column is buried under the ground.
Preferably, the inclination angle of the front beam column is the same as that of the rear beam column, and the shape and the size of the front beam column are the same as those of the rear beam column.
Preferably, the thickness dimension of the connecting plate is the same as the depth dimension of the mounting groove.
Preferably, the supporting plate and the bracket, the first platform and the connecting plate and the second platform and the other connecting plate are connected through fixing bolts.
Preferably, the front side and the rear side of the wooden pedal and the front side and the two sides of the supporting plate are fixedly bonded with wooden baffles.
Preferably, two rear beam columns or two front beam columns are symmetrically arranged below the wooden pedal.
Preferably, the central line of the sliding chute, the central line of the rotating connecting piece and the central line of the sliding block are all located on the same vertical plane.
Preferably, the screw threads of the screws on the left side and the right side of the sliding block are opposite in direction.
Compared with the prior art, the invention has the beneficial effects that: the prefabricated steel structure stair convenient for replacing the handrail,
(1) the steel structure stair is provided with a connecting plate, a front beam column and a rear beam column, the gradient of the stair is determined according to actual construction requirements, a bracket and a supporting plate are bent according to the gradient of the stair, wood pedals with corresponding sizes are cut, two ends of the front beam column and two ends of the rear beam column are cut in advance and are welded with the connecting plate, and meanwhile, the connecting plates at two ends of the front beam column or the rear beam column are parallel to the ground;
(2) the connecting plate is embedded in the mounting groove, the fixing bolts are rotated to enable the connecting plate to be connected and fastened with the first platform or the second platform, the other group of fixing bolts are rotated to enable the supporting plate to be connected and fastened with the bracket, the welding part is reduced, the assembling speed is improved, and the problem that the welding quality is reduced in a complex environment, and the overall strength of the steel structure stair is reduced is solved;
(3) the steel structure stair is provided with the foaming glue and the wood pedal, the wood pedal is laid on the upper surface of the first platform, the upper surface of the second platform and the upper surface of the supporting plate, the wood pedal plays a certain sound insulation role, the noise volume caused by directly treading the steel component is reduced, meanwhile, the foaming glue is filled at the joint of the wood pedal and the steel component, the effect of buffering and sound absorption is further played, the noise problem of the steel structure stair is greatly relieved, and the steel structure stair is more suitable for being used in families;
(4) be provided with the handrail, double-screw bolt and swivelling joint spare, swivel joint spare rotates, swivel joint spare passes through the slider and drives the screw rod and rotate, screw rod and two adjacent handrails of embedded nut cooperation pulling, make two adjacent handrails paste tight swivelling joint spare, the slider slides in the spout simultaneously, play size compensation's effect, the double-screw bolt of the handrail bottom of concatenation completion runs through wooden footboard and layer board afterwards, rotate fastening nut, play the effect of fixed handrail, need not to use the concatenation and the installation that the welding can accomplish the handrail, be convenient for follow-up dismantlement more renewed handrail, it has the practicality to use more.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional structure of a left side view of a pallet according to the present invention;
FIG. 4 is a schematic top cross-sectional view of a first platform according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
fig. 6 is a schematic cross-sectional view of a rotary connector according to the present invention.
In the figure: 1. back beam column, 2, front beam column, 3, connecting plate, 4, wall, 5, first platform, 6, second platform, 7, stand, 8, ground, 9, mounting groove, 10, bracket, 11, layer board, 12, wooden footboard, 13, foamed glue, 14, handrail, 15, support column, 16, double-screw bolt, 17, fastening nut, 18, embedded nut, 19, swivel connected coupler, 20, spout, 21, slider, 22, screw rod, 23, fixing bolt, 24, wooden baffle.
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. 1-6, the present invention provides a technical solution: a prefabricated steel structure stair convenient for replacing handrails is characterized in that as shown in figures 1, 2 and 4, connecting plates 3 are fixedly welded at the left end and the right end of a rear beam column 1 and the left end and the right end of a front beam column 2, the rear beam column 1 is arranged behind the front beam column 2, the connecting plate 3 at the left side of the lowermost rear beam column 1 is buried below a ground 8, the connecting area between the lowermost rear beam column 1 and the ground is increased, the supporting strength of the rear beam column 1 is improved, the inclination angle of the front beam column 2 is the same as that of the rear beam column 1, the shape and the size of the front beam column 2 are the same as those of the rear beam column 1, the types of components of stair components of a steel structure are reduced, the processing difficulty is reduced, the thickness and the size of the connecting plates 3 are the same as those of an installation groove 9, the connecting plates 3 are completely embedded in the installation groove 9, a first platform 5 and a second platform 6 are fixedly installed on the front side of a wall surface 4, and first platform 5 sets up in 6 left of second platform, 5 front sides of first platform and 6 front sides of second platform all with stand 7 fixed connection, and 7 bottoms of stand bury underground below ground 8, 5 front side tops of first platform, 5 rear side bottoms of first platform, mounting groove 9 has all been seted up at 6 front side bottoms of second platform and 6 rear side tops of second platform, the laminating of connecting plate 3 on 1 right side of back beam column sets up in the mounting groove 9 of 6 rear side bottoms of second platform, and the laminating of 1 left connecting plate 3 of back beam column sets up in the mounting groove 9 at 5 rear side tops of first platform, the laminating of connecting plate 3 on 2 right sides of front beam column sets up in the mounting groove 9 at second front side top, and the laminating of 2 left connecting plates 3 of front beam column sets up in the mounting groove 9 of 5 front side bottoms of first platform.
As shown in fig. 1 and 5, a bracket 10 is welded and fixed on the upper side of a back beam column 1 and the upper side of a front beam column 2, the bracket 10 is provided with a support plate 11, the support plate 11 and the bracket 10, the first platform 5 and a connecting plate 3, and the second platform 6 and another connecting plate 3 are connected by a fixing bolt 23, and are assembled by the fixing bolt 23, so that the welding point is reduced, and the assembling speed is improved, the wood pedal 12 is adhered on the outer side of the support plate 11, the outer side of the first platform 5 and the outer side of the second platform 6, the wood pedal 12 and the first platform 5, and the wood pedal 12 and the second platform 6 are adhered by filling foam rubber 13, the front and back sides of the wood pedal 12 and the front side of the support plate 11 are adhered and fixed with wood baffles 24, the foam rubber 13 is protected by the wood baffles 24, the bracket 10 is shielded, the wooden pedal 12 is more attractive in use, the two rear beam columns 1 or the two front beam columns 2 are symmetrically arranged below the wooden pedal 12, and the two rear beam columns 1 or the two front beam columns 2 support the wooden pedal 12, so that the wooden pedal 12 is more stable.
As shown in fig. 1, 3 and 6, the handrail 14 is suspended above the supporting plate 11, above the first platform 5 and above the second platform 6, a supporting column 15 is welded and fixed at the bottom of the handrail 14, a stud 16 is welded and fixed at the bottom of the supporting column 15, the stud 16 penetrates through the wood pedal 12 and the supporting plate 11 and is connected with a fastening nut 17, a pre-embedded nut 18 is embedded at one side of the handrail 14, a rotary connecting member 19 is arranged between two adjacent handrails 14, a sliding slot 20 is formed in the rotary connecting member 19, a sliding block 21 is slidably connected with the sliding slot 20, the center line of the rotary connecting member 19 and the center line of the sliding block 21 are all located on the same vertical plane, the two handrails 14 are pulled and close to each other by the cooperation of the screw 22 and the pre-embedded nut 18, the sliding block 21 slides in the sliding slot 20 to play a role of size compensation, and the problem that the two handrails 14 cannot be attached to the rotary connecting member 19 at the same time due to size error is avoided, the screw threads of the screw rods 22 on the left side and the right side of the sliding block 21 are opposite in direction, the rotary connecting piece 19 is rotated, the screw rods 22 in the rotary connecting piece 19 are simultaneously in threaded connection with the embedded nuts 18 on the two sides, the screw rods 22 are fixed on the left side and the right side of the sliding block 21, and the screw rods 22 penetrate through the rotary connecting piece 19 and are in threaded connection with the embedded nuts 18.
The working principle is as follows: when the prefabricated steel structure stair convenient for replacing the handrail is used, firstly, the gradient of the stair is determined according to construction requirements, the supporting plate 11 and the bracket 10 are bent according to the gradient of the stair, the wooden pedal 12 and the wooden baffle 24 are cut according to requirements, the rear beam column 1 and the front beam column 2 are simultaneously cut, two ends of the rear beam column 1 and the two ends of the front beam column 2 are welded with the connecting plates 3, the connecting plates 3 at the two ends of the rear beam column 1 and the two ends of the front beam column 2 are parallel to the ground, the bracket 10 is sequentially welded on the rear beam column 1 and the front beam column 2, the rapid adjustment according to actual requirements is facilitated, the application range is wider in use, required components are transported to a construction site, the connecting plate 3 at the left side of the lowermost rear beam column 1 is buried below the ground 8, the bottom of the upright post 7 is buried below the ground, the rear side of the first platform 5 and the rear side of the second platform 6 which are fixedly welded on the upright post 7 are fixed on the wall surface 4 through pre-buried supporting pieces, the connecting plate 3 is embedded in the mounting groove 9, the fixing bolts 23 are rotated to enable the connecting plate 3 to be connected and fastened with the first platform 5 or the second platform 6, through the steps, the rear beam column 1 and the front beam column 2 are connected and fastened with the first platform 5 and the second platform 6, the other group of fixing bolts 23 are rotated to enable the bracket 10 to be connected and fastened with the supporting plate 11, the assembly type welding point position is reduced, the problem that the welding quality is influenced due to severe environment and the overall structural strength of the steel structure stair is reduced is solved, the wood pedals 12 are paved on the upper surface of the supporting plate 11, the upper surface of the first platform 5 and the upper surface of the second platform 6, the wood pedals 12 play a certain role in reducing noise, meanwhile, the foaming adhesive 13 is filled at the bottom of the wood pedals 12, the foaming adhesive 13 plays a role in buffering and absorbing sound, and further reduces the noise of a steel structure, more suitable for household use, the rotary connecting piece 19 is rotated, the rotary connecting piece 19 drives the screw rod 22 to rotate through the slide block 21, the screw rod 22 is matched with the embedded nut 18 to pull the two handrails 14 to be close, meanwhile, the sliding block 21 slides in the sliding groove 20 to play a role in size compensation until two adjacent handrails 14 are attached to the rotary connecting piece 19 at the same time, and then the studs 16 on the bottom supporting columns 15 of the assembled handrails 14 penetrate through the wooden pedal 12 and the supporting plate 11 and are in threaded connection with the fastening nuts 17, so that the installation steps of the handrails 14 are simplified, the subsequent replacement of the handrails 14 is facilitated, the use is more practical, the front side and the rear side of the wooden pedal 12 are respectively bonded with the wooden baffle plates 24, and the wooden baffle plates 24 play a role in protecting the foaming adhesive 13, while the wooden flap 24 folds the support members, such as the bracket 10, for an aesthetically pleasing use, this completes the entire task and is not described in detail herein in the prior art as is well known to those skilled in the art.
The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a prefabricated steel construction stair convenient to change handrail, includes back beam column (1), wall (4), bracket (10) and handrail (14), its characterized in that:
back beam column (1), both ends and front beam column (2) are all welded fastening has connecting plate (3) about back beam column (1), and back beam column (1) sets up in front beam column (2) rear, wall (4) front side fixed mounting has first platform (5) and second platform (6), and first platform (5) set up in second platform (6) left, first platform (5) front side and second platform (6) front side all with stand (7) fixed connection, and stand (7) bottom is buried underground below ground (8), mounting groove (9) have all been seted up to first platform (5) front side top, first platform (5) rear side bottom, second platform (6) front side bottom and second platform (6) rear side top, the laminating of connecting plate (3) on back beam column (1) right side sets up in mounting groove (9) of second platform (6) rear side bottom, the connecting plate (3) on the left side of the back beam column (1) is attached to and arranged in a mounting groove (9) at the top of the back side of the first platform (5), the connecting plate (3) on the right side of the front beam column (2) is attached to and arranged in a mounting groove (9) at the top of the second front side, and the connecting plate (3) on the left side of the front beam column (2) is attached to and arranged in a mounting groove (9) at the bottom of the front side of the first platform (5);
the bracket (10) is welded and fixed on the upper side of the rear beam column (1) and the upper side of the front beam column (2), the support plate (11) is arranged on the upper side of the bracket (10) in a fitting manner, wood pedals (12) are bonded on the outer side of the support plate (11), the outer side of the first platform (5) and the outer side of the second platform (6), and the wood pedals (12) are bonded with the support plate (11), the wood pedals (12) are bonded with the first platform (5) and the wood pedals (12) are bonded with the second platform (6) through filling foaming glue (13);
handrail (14), handrail (14) are unsettled in layer board (11) top, first platform (5) top and second platform (6) top, and handrail (14) bottom welded fastening has support column (15), support column (15) bottom welded fastening has double-screw bolt (16), and double-screw bolt (16) run through wooden footboard (12) and layer board (11) and are connected with fastening nut (17), buried pre-buried nut (18) underground in handrail (14) one side, and be provided with swivel connected coupler (19) between two adjacent handrail (14), open spout (20) in swivel connected coupler (19), and sliding connection has slider (21) in spout (20), the slider (21) left and right sides all is fixed with screw rod (22), and screw rod (22) run through swivel connected coupler (19) and with pre-buried nut (18) threaded connection.
2. The prefabricated steel structure stair convenient for replacing handrails of claim 1, wherein: the connecting plate (3) on the left side of the rear beam column (1) on the lowest side is buried below the ground (8).
3. The prefabricated steel structure stair convenient for replacing handrails of claim 1, wherein: the inclination angle of the front beam column (2) is the same as that of the rear beam column (1), and the shape and the size of the front beam column (2) are the same as those of the rear beam column (1).
4. The prefabricated steel structure stair convenient for replacing handrails of claim 1, wherein: the thickness dimension of the connecting plate (3) is the same as the depth dimension of the mounting groove (9).
5. The prefabricated steel structure stair convenient for replacing handrails of claim 1, wherein: the supporting plate (11) and the bracket (10), the first platform (5) and the connecting plate (3) and the second platform (6) and the other connecting plate (3) are connected through fixing bolts (23).
6. The prefabricated steel structure stair convenient for replacing handrails of claim 1, wherein: and the front side and the rear side of the wooden pedal (12) and the front side and the rear side of the supporting plate (11) are fixedly bonded with wooden baffles (24).
7. The prefabricated steel structure stair convenient for replacing handrails of claim 1, wherein: two rear beam columns (1) or two front beam columns (2) are symmetrically arranged below the wooden pedal (12).
8. The prefabricated steel structure stair convenient for replacing handrails of claim 1, wherein: the central line of the sliding chute (20), the central line of the rotary connecting piece (19) and the central line of the sliding block (21) are all positioned on the same vertical plane.
9. The prefabricated steel structure stair convenient for replacing handrails of claim 1, wherein: the screw threads (22) on the left side and the right side of the sliding block (21) are opposite in direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424157.7A CN113175166A (en) | 2021-04-20 | 2021-04-20 | Prefabricated steel construction stair convenient to change handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424157.7A CN113175166A (en) | 2021-04-20 | 2021-04-20 | Prefabricated steel construction stair convenient to change handrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113175166A true CN113175166A (en) | 2021-07-27 |
Family
ID=76923876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110424157.7A Pending CN113175166A (en) | 2021-04-20 | 2021-04-20 | Prefabricated steel construction stair convenient to change handrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113175166A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217350A (en) * | 2022-08-13 | 2022-10-21 | 中核华纬工程设计研究有限公司 | Dovetail mortise-tenon type aluminum-wood combined beam for construction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998057008A1 (en) * | 1997-06-10 | 1998-12-17 | Nicholas James Marshall | Stairway system |
| CN207469836U (en) * | 2017-09-29 | 2018-06-08 | 深圳市领先康体实业有限公司 | A kind of interior assembled grandstand |
| CN210597919U (en) * | 2019-06-28 | 2020-05-22 | 中城建筑材料有限公司 | Prefabricated assembled stair |
| CN210976388U (en) * | 2019-08-14 | 2020-07-10 | 福州市中霖工程建设有限公司 | Steel construction stair convenient to equipment |
| CN211473138U (en) * | 2019-12-24 | 2020-09-11 | 佛山市顺德区新顺诚建筑工程有限公司 | Steel ladder mounting structure of green building |
| CN211949288U (en) * | 2020-02-23 | 2020-11-17 | 烟台钜铭金属科技有限公司 | Firm steel construction stair |
| CN112502469A (en) * | 2020-12-10 | 2021-03-16 | 谢绍良 | Steel column outsourcing reinforced concrete reinforced structure |
-
2021
- 2021-04-20 CN CN202110424157.7A patent/CN113175166A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998057008A1 (en) * | 1997-06-10 | 1998-12-17 | Nicholas James Marshall | Stairway system |
| CN207469836U (en) * | 2017-09-29 | 2018-06-08 | 深圳市领先康体实业有限公司 | A kind of interior assembled grandstand |
| CN210597919U (en) * | 2019-06-28 | 2020-05-22 | 中城建筑材料有限公司 | Prefabricated assembled stair |
| CN210976388U (en) * | 2019-08-14 | 2020-07-10 | 福州市中霖工程建设有限公司 | Steel construction stair convenient to equipment |
| CN211473138U (en) * | 2019-12-24 | 2020-09-11 | 佛山市顺德区新顺诚建筑工程有限公司 | Steel ladder mounting structure of green building |
| CN211949288U (en) * | 2020-02-23 | 2020-11-17 | 烟台钜铭金属科技有限公司 | Firm steel construction stair |
| CN112502469A (en) * | 2020-12-10 | 2021-03-16 | 谢绍良 | Steel column outsourcing reinforced concrete reinforced structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217350A (en) * | 2022-08-13 | 2022-10-21 | 中核华纬工程设计研究有限公司 | Dovetail mortise-tenon type aluminum-wood combined beam for construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113175166A (en) | Prefabricated steel construction stair convenient to change handrail | |
| CN202866311U (en) | Construction stair protective barrier and veering connecting device | |
| CN106760084B (en) | Cable type semi-hidden frame glass curtain wall structure and glass curtain wall | |
| CN207160453U (en) | Balustrade with glass panel fixed structure | |
| CN214195461U (en) | Scaffold frame for construction that suitability is strong | |
| CN214786571U (en) | Mounting structure of glass guardrail | |
| CN201981723U (en) | Combined rotary staircase | |
| CN111877652B (en) | Construction method of landscape footpath system of hybrid-laid archaized roof | |
| CN210368694U (en) | Sound insulation screen on highway | |
| CN212836354U (en) | Steel construction stair | |
| CN210460179U (en) | Combined construction enclosure | |
| CN212054073U (en) | Fence plate with noise reduction function for building construction | |
| CN209227930U (en) | The open spiral stairs structure of the concealed overhanging type of structural beams | |
| CN107724724A (en) | A kind of assembled wall of swimming pool and removably without marginal swimming pool | |
| CN111119473A (en) | Stair template for building construction | |
| CN204691016U (en) | A kind of economical curtain wall with large scale aluminium sheet ornamental strip | |
| CN210195081U (en) | Mounting structure of stair | |
| CN207210892U (en) | A kind of small-sized place cycling track | |
| CN206016160U (en) | A kind of sky parking on aluminum floor | |
| CN206053061U (en) | A kind of attachment structure of the column and main body for having ornamental strip effect concurrently | |
| CN110965773B (en) | Support arrangement for steel house building | |
| CN211850495U (en) | Assembled stair railing | |
| CN219528082U (en) | Open stone curtain wall construction system | |
| CN217124772U (en) | Platform insulating tape structure of rail transit | |
| CN203546902U (en) | Movable and detachable moving house |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210727 |
|
| RJ01 | Rejection of invention patent application after publication |