CN211775234U - Take safety barrier's assembled stair - Google Patents
Take safety barrier's assembled stair Download PDFInfo
- Publication number
- CN211775234U CN211775234U CN201922137607.5U CN201922137607U CN211775234U CN 211775234 U CN211775234 U CN 211775234U CN 201922137607 U CN201922137607 U CN 201922137607U CN 211775234 U CN211775234 U CN 211775234U
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- CN
- China
- Prior art keywords
- guardrail
- stair
- plate
- rod
- stair tread
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an assembled stair with safety barrier, which comprises a concrete prefabricated base, pre-buried bolts, limit posts, a guardrail mounting seat, guardrail plates, guardrail fixing bolts, guardrail rods, upright posts, a connecting block, connecting bolts, a supporting plate and a stair tread, wherein the upright posts are arranged between the concrete prefabricated base and the guardrail mounting seat, the number of the upright posts on the concrete prefabricated base is gradually increased, the height of the guardrail mounting seat is gradually increased, top sleeves of the guardrail rods can be sleeved on convex shafts of the guardrail plates, the top ends of the guardrail rods are fixed through bolt regulation, nuts are screwed on through holes penetrating through two ends of the stair tread at the bottom of the guardrail rods, the stair tread is horizontally installed and fixed and is gradually lifted along the inclined direction of the guardrail rods, and the stair with gradual lifting is formed, the assembled stair with simple structure and convenient assembly, the guardrail plates at two sides and the guardrail rods can form the safety barrier, safe in utilization to conveniently accomodate the transport after dismantling, make things convenient for recycle.
Description
Technical Field
The utility model relates to a construction field specifically is a take safety barrier's assembled stair.
Background
At present, the assembly type stairs and the step plates on the construction site are not unified in an assembly type steel structure system, and the steel stairs are often connected with the upper and lower stair beams in a welding mode, so that the problems that the installation speed of the steel stairs is low, the construction is inconvenient, the site welding has certain dangerousness, the construction period is long, the process is complex and the like are caused, and the assembly efficiency of the structure is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take safety barrier's assembled stair to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the assembled stair with the safety guardrail comprises a concrete prefabricated base, embedded bolts, limiting columns, guardrail mounting seats, guardrail plates, guardrail fixing bolts, guardrail rods, stand columns, connecting blocks, connecting bolts, a supporting plate and stair treads, wherein the concrete prefabricated base is of a concrete pouring formed cuboid structure, the limiting columns are arranged in the centers of the top surfaces of the concrete prefabricated base and are steel round pipes with bottoms embedded in the concrete prefabricated base, the limiting columns can be inserted into the bottoms of the guardrail mounting seats and the stand columns from the bottoms, the central positions of the guardrail mounting seats and the stand columns are fixed, the guardrail mounting seats and the stand columns are fixed more firmly, the four embedded bolts are embedded in the concrete prefabricated base and are square arrays and can be inserted into bottom surface fixing plates of the guardrail mounting seats and the stand columns and fixed by screwing nuts;
the guardrail mounting seat consists of a bottom fixing plate and a top U-shaped seat, the center of the side wall of the U-shaped seat is provided with a circular through hole, two ends of the guardrail plate can be fixed by guardrail fixing bolts, the guardrail plate is a strip-shaped steel plate, the inner wall array of the guardrail plate is provided with a plurality of circular convex shafts, the side wall of each convex shaft is provided with a circular through hole near the top end, the convex shaft of the guardrail plate can be sleeved with a top sleeve of the guardrail rod, the top end of the guardrail rod is fixed through bolt regulation, so that the guardrail rod is vertically downward, the guardrail rod is a round metal rod, the top of the guardrail rod is provided with a horizontally arranged sleeve, a circle of convex edge is arranged on the outer wall of the guardrail rod close to the bottom of the guardrail rod, external threads are arranged on the side wall of the guardrail rod below the convex edge, the bottom of the guardrail rod penetrates through holes at two ends of the stair tread and nuts are screwed on, the stair tread is horizontally installed and fixed, and the stair tread is gradually lifted along the inclined direction of the guardrail rod;
the upright columns are of a circular tubular structure, two ends of the outer wall of each upright column are fixedly connected with a fixing plate, the fixing plates are of annular plate structures, four bolt holes are uniformly distributed in the fixing plates, the upright columns can be fixed through a connecting block, the connecting block is a circular pipeline with a circle of fixing plate arranged at the center of the outer side wall, two ends of the pipeline are respectively inserted into inner cavities of the upper upright column and the lower upright column and are connected and fixed through connecting bolts, so that the purpose of connecting the upright columns is achieved, the upright columns are arranged between the concrete prefabricated base and the guardrail mounting base, the number of the upright columns on the concrete prefabricated base is gradually increased, the height of the guardrail mounting base is gradually increased, the guardrail;
as a further aspect of the present invention: the stair tread is a square-pattern steel plate, patterns on the top surface of the steel plate have an anti-slip effect, the bottom surface of the stair tread is provided with latticed reinforcing ribs, the structural strength of the stair tread is improved, and notch-shaped through holes are formed in the front end and the rear end of the top surface of the stair tread, so that the stair tread is convenient to install;
as a further aspect of the present invention: the bottom surface of stair tread and the nut of guardrail bar bottom are equipped with the layer board between, reduce stair tread when the bearing, and the stress between the nut of guardrail bar bottom, prevent stair tread atress deformation, improve stair tread's bearing capacity.
Compared with the prior art, the beneficial effects of the utility model are that: the stand sets up between precast concrete base and guardrail mount pad, progressively increase the quantity of the stand on the precast concrete base, make guardrail mount pad height promote gradually, install guardrail board slope, and inclination is the same, can cup joint guardrail bar's top sleeve on guardrail board's the protruding axle, the rethread bolt regulation, it is fixed with guardrail bar's top, the nut is screwed on to the through-hole at the both ends that pass stair tread with guardrail bar's bottom, it is fixed with stair tread horizontal installation, and progressively promote along guardrail bar's incline direction, form the stair that promote step by step, the device simple structure, high durability and convenient assembly, both sides guardrail board and guardrail bar can form safety barrier, high safety in utilization, and conveniently accomodate the transport after dismantling, convenient recycle.
Drawings
Fig. 1 is a schematic structural view of an assembled staircase with a safety barrier.
Fig. 2 is a schematic structural view of installation of a guardrail plate in an assembled stair with a safety guardrail.
Fig. 3 is a schematic structural view of the top installation of the guardrail bar in the fabricated stairway with the safety barrier.
Fig. 4 is a schematic structural view of the installation of the bottom of the guardrail bar in the fabricated stairway with the safety barrier.
In the figure: precast concrete base 1, pre-buried bolt 2, spacing post 3, guardrail mount pad 4, guardrail board 5, guardrail fixing bolt 6, guardrail bar 7, stand 8, connecting block 9, connecting bolt 10, layer board 11, stair tread 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the present invention, an assembled stair with a safety barrier comprises a concrete prefabricated base 1, pre-embedded bolts 2, a limiting post 3, a barrier mounting seat 4, a barrier plate 5, a barrier fixing bolt 6, a barrier rod 7, a column 8, a connecting block 9, a connecting bolt 10, a supporting plate 11 and a stair tread 12, wherein the concrete prefabricated base 1 is a rectangular structure formed by pouring concrete, the limiting post 3 is arranged at the center of the top surface of the concrete prefabricated base 1, the limiting post 3 is a steel round tube embedded in the concrete prefabricated base 1 at the bottom, and can be inserted into the bottoms of the barrier mounting seat 4 and the column 8 from the bottom to fix the central positions of the barrier mounting seat 4 and the column 8, so that the barrier mounting seat 4 and the column 8 are more firmly fixed, four pre-embedded bolts 2 are embedded in the concrete prefabricated base 1, and the pre-embedded bolts 2 are in a square array, the fixing plate can be inserted into the guardrail mounting seat 4 and the bottom fixing plate of the upright post 8 and is fixed by screwing the nut;
the guardrail mounting seat 4 consists of a bottom fixing plate and a top U-shaped seat, a circular through hole is formed in the center of the side wall of the U-shaped seat, the two ends of a guardrail plate 5 can be fixed through a guardrail fixing bolt 6, the guardrail plate 5 is a strip-shaped steel plate, a plurality of circular protruding shafts are arranged on the inner wall array of the guardrail plate 5, the circular through hole is formed in the position, close to the top end, of the side wall of each protruding shaft, a top sleeve of a guardrail 7 can be sleeved on the protruding shaft of the guardrail plate 5, the top end of the guardrail 7 is fixed through bolt regulation, the guardrail 7 is vertically downward, the guardrail 7 is a circular metal rod with a horizontally arranged sleeve at the top, a circle of convex edge is arranged at the position, close to the bottom, of the outer wall of the guardrail 7, external threads are arranged on the side wall of the guardrail 7 below the convex edge, nuts are screwed on the through holes, penetrating the bottoms of the, and gradually rises in the direction of the inclination of the guardrail bar 7;
the upright columns 8 are of a circular tubular structure, two ends of the outer wall of each upright column 8 are fixedly connected with fixing plates, each fixing plate is of an annular plate-shaped structure, four bolt holes are uniformly distributed in each fixing plate, the upright columns 8 can be fixed through connecting blocks 9, each connecting block 9 is a circular pipeline with a circle of fixing plate arranged in the center of the outer side wall, two ends of each pipeline are respectively inserted into the inner cavities of the upper upright column 8 and the lower upright column 8 and are connected and fixed through connecting bolts 10, so that the purpose of connecting the upright columns 8 is achieved, the upright columns 8 are arranged between the concrete prefabricated base 1 and the guardrail mounting seat 4, the number of the upright columns 8 on the concrete prefabricated base 1 is gradually increased, the height of the guardrail mounting seat 4 is gradually;
the stair tread 12 is a square-pattern steel plate, patterns on the top surface of the steel plate have an anti-slip effect, the bottom surface of the stair tread 12 is provided with latticed reinforcing ribs, the structural strength of the stair tread 12 is improved, and notch-shaped through holes are formed in the front end and the rear end of the top surface of the stair tread 12, so that the stair tread is convenient to install;
the support plate 11 is arranged between the bottom surface of the stair tread 12 and the nuts at the bottom of the guardrail rod 7, so that the stress between the stair tread 12 and the nuts at the bottom of the guardrail rod 7 during bearing is reduced, the stair tread 12 is prevented from being deformed by stress, and the bearing capacity of the stair tread 12 is improved.
The utility model discloses a theory of operation is: the stand 8 sets up between prefabricated base of concrete 1 and guardrail mount pad 4, the quantity of the stand 8 on the prefabricated base of gradual increase concrete 1, make 4 height of guardrail mount pad promote gradually, with 5 slope installations of guardrail board, and inclination is the same, can cup joint the top sleeve of guardrail bar 7 on the protruding axle of guardrail board 5, the rethread bolt regulation, it is fixed with the top of guardrail bar 7, the through-hole that passes stair step 12's both ends with the bottom of guardrail bar 7 is screwed on the nut, it is fixed with stair step 12 horizontal installation, and promote gradually along the incline direction of guardrail bar 7, form the stair that promotes step by step.
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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. The assembled stair with the safety guardrail comprises a concrete prefabricated base, embedded bolts, limiting columns, a guardrail mounting seat, guardrail plates, guardrail fixing bolts, guardrail rods, stand columns, connecting blocks, connecting bolts, a supporting plate and stair treads, and is characterized in that the concrete prefabricated base is of a concrete pouring formed cuboid structure, the limiting columns are arranged in the center of the top surface of the concrete prefabricated base, the limiting columns are steel round tubes with bottoms embedded in the concrete prefabricated base and can be inserted into the bottoms of the guardrail mounting seat and the stand columns from the bottoms to fix the central positions of the guardrail mounting seat and the stand columns, the four embedded bolts are embedded in the concrete prefabricated base, the embedded bolts are square arrays and can be inserted into bottom surface fixing plates of the guardrail mounting seat and the stand columns and fixed through screwing nuts;
the guardrail mounting seat consists of a bottom fixing plate and a top U-shaped seat, the center of the side wall of the U-shaped seat is provided with a circular through hole, two ends of the guardrail plate can be fixed by guardrail fixing bolts, the guardrail plate is a strip-shaped steel plate, the inner wall array of the guardrail plate is provided with a plurality of circular convex shafts, the side wall of each convex shaft is provided with a circular through hole near the top end, the convex shaft of the guardrail plate can be sleeved with a top sleeve of the guardrail rod, the top end of the guardrail rod is fixed through bolt regulation, so that the guardrail rod is vertically downward, the guardrail rod is a round metal rod, the top of the guardrail rod is provided with a horizontally arranged sleeve, a circle of convex edge is arranged on the outer wall of the guardrail rod close to the bottom of the guardrail rod, external threads are arranged on the side wall of the guardrail rod below the convex edge, the bottom of the guardrail rod penetrates through holes at two ends of the stair tread and nuts are screwed on, the stair tread is horizontally installed and fixed, and the stair tread is gradually lifted along the inclined direction of the guardrail rod;
the stand is circular tubular structure, and the outer wall both ends fixedly connected with fixed plate of stand, fixed plate are the loop type platelike structure, and evenly distributed has four bolt holes on the fixed plate, can fix through the connecting block between the stand, the connecting block is equipped with the circular pipeline of round fixed plate for the lateral wall center, and in two stand inner chambers about the both ends of pipeline inserted respectively, rethread connecting bolt connects fixedly, and the stand setting is between precast concrete base and guardrail mount pad.
2. The fabricated stair with the safety barrier as claimed in claim 1, wherein the stair tread is a steel plate with square patterns, the patterns on the top surface of the steel plate have an anti-slip effect, the bottom surface of the stair tread is provided with latticed reinforcing ribs to improve the structural strength of the stair tread, and the front and rear ends of the top surface of the stair tread are provided with notch-shaped through holes.
3. The fabricated staircase with a safety barrier as in claim 2, wherein a support plate is provided between the bottom surface of the staircase tread and the nut at the bottom of the barrier rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922137607.5U CN211775234U (en) | 2019-12-03 | 2019-12-03 | Take safety barrier's assembled stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922137607.5U CN211775234U (en) | 2019-12-03 | 2019-12-03 | Take safety barrier's assembled stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211775234U true CN211775234U (en) | 2020-10-27 |
Family
ID=72972980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922137607.5U Expired - Fee Related CN211775234U (en) | 2019-12-03 | 2019-12-03 | Take safety barrier's assembled stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211775234U (en) |
-
2019
- 2019-12-03 CN CN201922137607.5U patent/CN211775234U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |