CN211142779U - Assembled stair for urban overpass - Google Patents
Assembled stair for urban overpass Download PDFInfo
- Publication number
- CN211142779U CN211142779U CN201920892947.6U CN201920892947U CN211142779U CN 211142779 U CN211142779 U CN 211142779U CN 201920892947 U CN201920892947 U CN 201920892947U CN 211142779 U CN211142779 U CN 211142779U
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- prefabricated
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Abstract
An assembled stair for an urban overpass belongs to the field of building construction. Rectangular ribs are arranged on the bearing platform, the prefabricated bench boards, the prefabricated slope boards and the prefabricated edge cover plates are lapped on the rectangular ribs of the bearing platform together and are in through connection through high-strength reinforcing steel bars, the parts, lapped on the rectangular ribs of the bearing platform, of the prefabricated bench boards and the prefabricated slope boards are respectively provided with a stair reinforcing steel plate A and a stair reinforcing steel plate B, meanwhile, the built-in reinforcing steel plates on the rectangular ribs of the bearing platform are connected with the prefabricated bench boards and the stair reinforcing steel plates A and the stair reinforcing steel plates B in the prefabricated slope boards together through short ribs in threaded connection, the whole structure is reinforced, and stability is improved; the stair step can be fixed through stepping on the butt joint recess of stepping on after the rib is connected well through stepping on, and the transportation of traffic apparatus can also be made things convenient for on the stair slope, adapts to the development of assembled stair.
Description
Technical Field
The utility model belongs to the building construction field especially relates to an assembled stair that is used for city overpass.
Background
In cities, the land is very limited, the traffic flow is large, the walking ways on which people can walk are very limited, the existing air walking ways are low in automation degree, automatic transportation of pedestrians cannot be realized, the pedestrians are inevitably affected with vehicles on the street and even have accidents, and the safety of people is very important; the air sidewalk is available at present, and the stability and safety of a bearing platform, a stair and a plate surface of the sidewalk are all important.
Disclosure of Invention
In order to solve the technical problem that exists, the utility model provides an assembled stair for city overpass, this assembled stair will prefabricate bench board, prefabricated ramp plate, prefabricated side cover plate and take on the rectangular rib of accepting the platform, and the reinforcement steel bar connection is imposed to the height, accepts the platform, prefabricates bench board, prefabricated ramp plate inside has all arranged the reinforcement steel sheet, guarantees prefabricated component's overall stability.
The utility model adopts the technical scheme as follows:
the assembled stair comprises a bearing platform, prefabricated bench boards, prefabricated slope boards, prefabricated side cover boards, rectangular ribs, stair steps, step connecting ribs, step grooves and reserved step butt joint grooves, wherein the rectangular ribs are prefabricated on the lower half portion of the end portion of the bearing platform, the stair portion comprises the prefabricated bench boards, the prefabricated slope boards and the prefabricated side cover boards, the rectangular ribs connected with the bearing platform are arranged on the upper end portions of the prefabricated bench boards, the prefabricated slope boards and the prefabricated side cover boards, and the overlooking widths of the rectangular ribs on the prefabricated bench boards, the prefabricated slope boards and the prefabricated side cover boards are equal to the overlooking width of the rectangular ribs on the bearing platform and are matched with one another; prefabricated ramp plate both sides all have the reservation and mark time the butt joint groove, reserve to mark time the butt joint groove and the prefabricated bench board on the stair phase-match that marks time, the inboard system of prefabricated edge cover board and prefabricated bench board junction has with the prefabricated bench board on the stair step assorted reservation mark time the butt joint groove, prefabricated bench board sets up the stair for plate body upper portion and marks time, prefabricated bench board plate body upper surface is equipped with the groove of marking time, the stair bottom of marking time is equipped with the connection rib of marking time, and the connection rib of marking time corresponds with the groove of marking time and agrees with to be connected, and the connection rib transverse width of marking time equals the transverse width of prefabricated bench board, and the stair width of marking time is greater than prefabricated bench board, and the stair both sides of marking time do not set up to mark time the connection rib part and correspond and insert in prefabricated ramp.
Furthermore, the rectangular rib on the bearing platform and the built-in reinforcing steel plate of the bearing platform are arranged when the interior of the bearing platform is prefabricated, the prefabricated slope plate and the reinforcing steel plate B of the stair are arranged inside the end part connected with the bearing platform, the prefabricated bench plate and the reinforcing steel plate A of the stair are arranged inside the end part connected with the bearing platform, the corresponding positions of the rectangular rib and the built-in reinforcing steel plate of the bearing platform are provided with reserved threaded connecting holes, the reserved threaded connecting holes corresponding to the rectangular rib are formed in the reinforcing steel plate B of the stair, the reserved threaded connecting holes corresponding to the rectangular rib are formed in the reinforcing steel plate A of the stair, and the prefabricated bench plate, the prefabricated slope plate and the prefabricated side cover plate are connected and fixed with the bearing platform through the short ribs in threaded connection.
Furthermore, four reserved reinforcing steel bar holes penetrating through the transverse direction are obliquely and uniformly distributed on the lower plate body part of the prefabricated bench plate, the prefabricated slope plate and the prefabricated side cover plate are connected with the prefabricated bench plate and then are reserved at corresponding positions, and the prefabricated bench plate, the prefabricated slope plate and the prefabricated side cover plate are connected through high-strength reinforcing steel bars.
Furthermore, the prefabricated ramp plate is arranged in the middle, two prefabricated bench boards are arranged on two sides of the prefabricated ramp plate, and two prefabricated edge cover plates are arranged on two outward sides of the prefabricated bench boards.
Furthermore, when the staircase is a dual-track staircase, two sections of rectangular ribs are reserved on the bearing platform on the same layer, and the rectangular ribs which are combined by the prefabricated staircase section plates, the prefabricated slope plates and the prefabricated side cover plates are respectively connected with the upper part and the lower part of the two sections of staircases.
Furthermore, the dual-race stair is connected between the ground and the aerial overline bridge, a bearing platform which is the same as the bearing platform is arranged on the ground and the aerial overline bridge, a bearing platform is arranged in the middle of the bearing platform, a dual-race bearing platform reserved rectangular groove is arranged on the bearing platform, a ground reserved rectangular groove is arranged on the ground, a bridge deck reserved rectangular groove is arranged on the aerial overline bridge, and the ground reserved rectangular groove, the bridge deck reserved rectangular groove and the dual-race bearing platform reserved rectangular groove are the same in size and correspond to rectangular ribs.
And further, the solid parts on two sides of the prefabricated side cover plate are provided with guardrail devices of sidewalk stairs.
The utility model has the advantages that:
the utility model discloses an assembled stair take prefabricated bench board, prefabricated ramp plate, prefabricated side cover plate on the rectangular rib of accepting the platform, and prefabricated bench board, prefabricated ramp plate, prefabricated side cover plate link together through the reinforcement reinforcing bar that excels in, when the cushion cap bears its weight, consolidate the connection through the reinforcement reinforcing bar that excels in, prevent the local destruction that the load inequality on the stair leads to, accept platform, prefabricated bench board, prefabricated ramp plate inside all has arranged the reinforcement steel sheet, guarantee the overall stability of prefabricated component; can also play the connection effect when strengthening to the prefabricated construction, the stair are marked time and can also be consolidated fixedly through marking time the butt joint recess after the rib is connected well through marking time. The utility model has the advantages and beneficial effects that construction convenience, connection convenience, construction speed are fast, sound construction, and dismantle conveniently, have also strengthened the stability of component connection when having strengthened prefabricated component's intensity, guarantee people's safety, and the slope can also make things convenient for the transportation of traffic apparatus, adapts to the development of assembled stair.
Drawings
FIG. 1 is a side view of the assembled dual-tread stairway of the present invention;
FIG. 2 is a top view of the assembled dual-tread stairway of the present invention;
FIG. 3 is a side view of the assembled single-run stair of the present invention;
FIG. 4 is a detailed view of the connection structure of the assembled stair for single-run according to the present invention;
FIG. 5 is a detail view of a portion of the connection between the receiving platform and the steel plate of the prefabricated bench slab;
FIG. 6 is a side view of a prefabricated bench plate body;
fig. 7 is a side view of a prefabricated ramp plate;
FIG. 8 is a side view of a prefabricated edge panel;
FIG. 9 is a side view of the stair step;
FIG. 10 is a front view of a stair step;
FIG. 11 is a partial top view of the joint of the dual run receiving platform;
FIG. 12 is a partial top view of a ground connection;
FIG. 13 is a partial top view of an air overpass connection.
In the figure: the prefabricated steel plate type bearing platform comprises a bearing platform 1, prefabricated bench boards 2, prefabricated slope boards 3, prefabricated side cover boards 4, a bearing platform built-in reinforcing steel plate 5, rectangular ribs 6, a stair reinforcing steel plate A7, a stair reinforcing steel plate B8, stair steps 9, step connecting ribs 10, step grooves 11, step butt-joint grooves 12, high-strength reinforcing steel bars 13, reserved steel bar holes 14, threaded connecting short bars 15, reserved threaded connecting holes 16, ground 17, rectangular grooves 18, an aerial overbridge 19, a bridge deck rectangular groove 20 and double running bearing platforms rectangular grooves 21.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
Example 1:
as shown in fig. 1-13, the utility model relates to an assembled stair for city overpass, including accepting platform 1, prefabricated bench board 2, prefabricated ramp plate 3, prefabricated side cover plate 4, the built-in reinforcing steel sheet 5 of cushion cap, rectangular rib 6, stair reinforcing steel sheet A7, stair reinforcing steel sheet B8, stair step 9, the rib 10 of stepping on, the groove 11 of stepping on, reserve to step on and to dock groove 12, high-strength reinforcing steel bar 13, reserve reinforcing steel bar hole 14, threaded connection short muscle 15, reserve threaded connection hole 16, ground 17, rectangular recess 18 is reserved on ground, aerial overpass 19, bridge floor reservation rectangle recess 20, two race cushion caps reserve rectangle recess 21.
The utility model discloses the component is the reinforced concrete structure, and the intensity that can guarantee the structure satisfies the operation requirement. The lower half part of the end part of the bearing platform 1 is provided with a prefabricated rectangular rib 6, and the rectangular rib 6 and a bearing platform built-in reinforcing steel plate 5 are pre-embedded when the bearing platform 1 is prefabricated, so that the rectangular rib 6 is reinforced when being connected with other structures. The rectangular ribs 6 and the bearing platform built-in reinforcing steel plates 5 are provided with corresponding reserved threaded connecting holes 16; the stair part comprises prefabricated bench boards 2, prefabricated ramp plates 3 and prefabricated edge cover plates 4, rectangular ribs 6 with the same cross sections as rectangular ribs 6 on the bearing platform 1 are manufactured at the end parts of the prefabricated bench boards 2, the prefabricated ramp plates 3 and the prefabricated edge cover plates 4, the overlooking widths are different, the prefabricated ramp plates 3 are arranged in the middle, two prefabricated bench boards 2 are arranged at two sides, two prefabricated edge cover plates 4 are arranged at two outward sides of the prefabricated bench boards 2, and the overlooking widths of the rectangular ribs 6 on the two prefabricated bench boards 2, the prefabricated ramp plates 3 and the two prefabricated edge cover plates 4 are equal to the overlooking width of the rectangular ribs 6 on the bearing platform 1. The prefabricated slope plate 3's rectangular rib 6 inside pre-buried stair reinforcement steel sheet B8 that has seted up on the stair reinforcement steel sheet B8 with rectangular rib 6 corresponding reservation threaded connection hole 16, prefabricated slope plate 3 both sides all have the reservation butt joint groove 12 of marking time, the cross-section of reserving the butt joint groove 12 of marking time is the triangle-shaped, and is the same with the cross-section of stair 9 of marking time to it marks time 9 to butt joint the stair on the prefabricated bench board 2. 4 reserved reinforcing steel bar holes 14 which penetrate through the transverse direction are obliquely and uniformly formed in the plate body part below the prefabricated bench plate 2; the prefabricated side cover plate 4 connect and have the butt joint groove 12 of reserving to mark time in the inboard system of prefabricated bench board 2, the cross-section of reserving to mark time butt joint groove 12 is the triangle-shaped, and is the same with stair 9 cross-sections of marking time to it marks time 9 to dock the stair on the prefabricated bench board 2. 4 reserved reinforcing steel bar holes 14 which penetrate through the transverse direction are uniformly formed in the lower plate body part in an inclined mode; the prefabricated bench boards 2 are pre-embedded with stair reinforcing steel plates A7, the stair reinforcing steel plates A7 are provided with reserved threaded connecting holes 16 corresponding to rectangular ribs 6, the board body parts are obliquely and uniformly provided with 4 reserved reinforcing steel holes 14 penetrating through the transverse direction, the surfaces of the board body parts are uniformly provided with step grooves 11, the stair steps 9 are of a triangular concrete structure, step connecting ribs 10 are obliquely and laterally arranged, the step connecting ribs 10 are correspondingly matched and connected with the step grooves 11 on the prefabricated bench boards 2, the transverse width of the step connecting ribs 10 is equal to that of the prefabricated bench boards 2, and the parts of the stair steps 9, on the two sides of which the step connecting ribs 10 are not arranged, are correspondingly inserted into the prefabricated slope boards 3 and the reserved step butt-joint grooves 12 on the prefabricated side cover boards 4; after the prefabricated bench boards 2, the prefabricated slope boards 3 and the prefabricated edge cover boards 4 are connected, the reserved steel bar holes 14 correspond to each other, then the prefabricated bench boards 2, the prefabricated slope boards 3 and the prefabricated edge cover boards 4 are connected together through high-strength reinforcing steel bars 13, and the stair is reinforced while the prefabricated bench boards, the prefabricated slope boards 3 and the prefabricated edge cover boards are connected. After the prefabricated bench board 2, the prefabricated slope board 3 and the prefabricated side cover board 4 are connected and arranged on the bearing platform 1, the reserved threaded connecting holes 16 of the rectangular ribs 6 on the bearing platform 1, the reserved threaded connecting holes 16 on the bearing platform built-in reinforcing steel plate 5 reserved inside the bearing platform, the prefabricated bench board 2, the stair reinforcing steel plate A7 reserved inside the prefabricated slope board 3 and the reserved threaded connecting holes 16 reserved on the stair reinforcing steel plate B8 correspond to each other, and then the prefabricated bench board, the prefabricated slope board and the prefabricated side cover board are connected and fixed through the short ribs 15 in a threaded connection mode.
When the stair is a double-race stair, two sections of rectangular ribs 6 are reserved on the bearing platform 1 on the same layer, and the rectangular ribs 6 can be combined by the prefabricated staircase section plates 2, the prefabricated slope plates 3 and the prefabricated side cover plates 4 at the upper part and the lower part which can be respectively connected with the two sections of stairs.
The reserved threaded connecting holes 16 on the built-in reinforcing steel plate 5, the rectangular rib 6, the stair reinforcing steel plate A7 and the stair reinforcing steel plate B8 of the bearing platform correspond to each other, and after the bearing platform is connected and fixed through the threaded connecting short ribs 15, the surface of the rectangular rib 6 is leveled by cement mortar.
The guardrail device of the sidewalk stairs can be arranged on the solid parts at two sides of the prefabricated edge cover plate 4 according to requirements.
The dual-running stair is connected between the ground 17 and the aerial overbridge 19, a bearing platform built-in reinforcing steel plate 5 which is the same as the bearing platform 1 is pre-buried on the ground 17 and the aerial overbridge 19, the bearing platform 1 is arranged in the middle, a dual-running bearing platform reserved rectangular groove 21 is formed in the bearing platform 1, a ground reserved rectangular groove 18 is formed in the ground 17, a bridge deck reserved rectangular groove 20 is formed in the aerial overbridge 19, and the ground reserved rectangular groove 18, the bridge deck reserved rectangular groove 20 and the dual-running bearing platform reserved rectangular groove 21 are the same in size and correspond to the rectangular ribs 6 and are used for bearing and arranging the stair.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an assembled stair for city overpass, a serial communication port, assembled stair is including accepting platform (1), prefabricated bench board (2), prefabricated ramp plate (3), prefabricated edge cover board (4), rectangular rib (6), stair step (9), step connection rib (10), mark time groove (11), reserve and mark time butt joint groove (12), it has rectangular rib (6) to accept platform (1) tip the latter half prefabrication, assembled stair include the stair part, the stair part is including prefabricated bench board (2), prefabricated ramp plate (3), prefabricated edge cover board (4), prefabricated bench board (2), prefabricated ramp plate (3), the upper end of prefabricated edge cover board (4) all be equipped with and accept rectangular rib (6) that platform (1) links to each other, and prefabricated bench board (2), prefabricated ramp plate (3), The overlooking widths of the rectangular ribs (6) on the prefabricated side cover plate (4) are equal to the overlooking width of the rectangular ribs (6) on the bearing platform (1) in sum and are matched with each other; both sides of a prefabricated slope plate (3) are provided with reserved step butt joint grooves (12), the reserved step butt joint grooves (12) are matched with stair steps (9) on prefabricated bench boards (2), the inner side of the joint of a prefabricated edge cover plate (4) and the prefabricated bench boards (2) is provided with reserved step butt joint grooves (12) matched with the stair steps (9) on the prefabricated bench boards (2), the prefabricated bench boards (2) are provided with the stair steps (9) on the upper parts of boards, the upper surfaces of the boards of the prefabricated bench boards (2) are provided with step grooves (11), step connecting ribs (10) are arranged at the bottoms of the stair steps (9), the step connecting ribs (10) are correspondingly matched and connected with the step grooves (11), the transverse width of the step connecting ribs (10) is equal to the transverse width of the prefabricated bench boards (2), and the width of the stair steps (9) is larger than the prefabricated bench boards (2), the parts of the two sides of the stair step (9) which are not provided with the step connecting ribs (10) are correspondingly inserted into the reserved step butt joint grooves (12) on the prefabricated slope plate (3) and the prefabricated edge cover plate (4).
2. The assembled stair for the urban overpass is characterized in that rectangular ribs (6) on the bearing platform (1) and a bearing platform built-in reinforcing steel plate (5) are arranged when the bearing platform (1) is prefabricated, a stair reinforcing steel plate B (8) is arranged inside the end part of the prefabricated slope plate (3) connected with the bearing platform (1), a stair reinforcing steel plate A (7) is arranged inside the end part of the prefabricated staircase block plate (2) connected with the bearing platform (1), reserved threaded connecting holes (16) are formed in the positions, corresponding to the rectangular ribs (6) and the bearing platform built-in reinforcing steel plate (5), of the stair reinforcing steel plate B (8), reserved threaded connecting holes (16) corresponding to the rectangular ribs (6) are formed, and reserved threaded connecting holes (16) corresponding to the rectangular ribs (6) are formed in the stair reinforcing steel plate A (7), the prefabricated bench board (2), the prefabricated slope board (3) and the prefabricated side cover plate (4) are connected and then fixedly connected with the bearing platform (1) through the short ribs (15) in threaded connection.
3. The assembled stair for the urban overpass according to claim 1, wherein four reserved steel bar holes (14) penetrating in the transverse direction are uniformly and obliquely arranged on the lower plate body part of the prefabricated bench plate (2), the reserved steel bar holes (14) are reserved at corresponding positions after the prefabricated slope plate (3) and the prefabricated edge cover plate (4) are connected with the prefabricated bench plate (2), and the prefabricated bench plate (2), the prefabricated slope plate (3) and the prefabricated edge cover plate (4) are connected through high-strength reinforcing steel bars (13).
4. The fabricated stairway for urban overpasses according to claim 1, characterized in that the prefabricated ramp boards (3) are arranged centrally, two prefabricated bench boards (2) are arranged on both sides, and two prefabricated side cover boards (4) are arranged on both outward sides of the prefabricated bench boards (2).
5. The assembled stair for the urban overpass according to claim 1, wherein when the stair is a double-race stair, two sections of rectangular ribs (6) are reserved on the bearing platform (1) on the same layer, and the rectangular ribs (6) which are combined by the prefabricated bench boards (2), the prefabricated slope boards (3) and the prefabricated side cover boards (4) are respectively connected with the upper part and the lower part of the two sections of stairs.
6. The fabricated stairway for an urban overpass according to claim 5, wherein: the dual-race stair is connected between ground (17) and aerial overline bridge (19), is equipped with on ground (17) and aerial overline bridge (19) and accepts built-in reinforcement steel sheet of cushion cap (5) that platform (1) is the same, and the centre sets up one and accepts platform (1), is provided with on accepting platform (1) that two race cushion caps reserve rectangle recess (21), is provided with on ground (17) that rectangle recess (18) is reserved on ground, is provided with on aerial overline bridge (19) that the bridge floor reserves rectangle recess (20), ground reserve rectangle recess (18), rectangle recess (20) is reserved on the bridge floor and two race cushion caps reserve rectangle recess (21) size the same, corresponding to rectangle rib (6).
7. The fabricated stairway for an urban overpass according to claim 1, characterized in that: and the solid parts at two sides of the prefabricated edge cover plate (4) are provided with guardrail devices of sidewalk stairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892947.6U CN211142779U (en) | 2019-06-14 | 2019-06-14 | Assembled stair for urban overpass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892947.6U CN211142779U (en) | 2019-06-14 | 2019-06-14 | Assembled stair for urban overpass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211142779U true CN211142779U (en) | 2020-07-31 |
Family
ID=71744460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920892947.6U Expired - Fee Related CN211142779U (en) | 2019-06-14 | 2019-06-14 | Assembled stair for urban overpass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211142779U (en) |
-
2019
- 2019-06-14 CN CN201920892947.6U patent/CN211142779U/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: 20200731 Termination date: 20210614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |