CN210032407U - Assembled shock attenuation stair structure - Google Patents
Assembled shock attenuation stair structure Download PDFInfo
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- CN210032407U CN210032407U CN201920369469.0U CN201920369469U CN210032407U CN 210032407 U CN210032407 U CN 210032407U CN 201920369469 U CN201920369469 U CN 201920369469U CN 210032407 U CN210032407 U CN 210032407U
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- prefabricated stair
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Abstract
The utility model provides an assembled shock attenuation stair structure, include: the stair beam comprises an upper beam and a lower beam which are arranged in a staggered manner; the lower end of the prefabricated stair plate is fixedly connected to the lower-layer beam, the upper end of the prefabricated stair plate is placed on the upper-layer beam, and a positioning piece for positioning the upper end of the prefabricated stair plate in the horizontal direction is formed at the upper end of the prefabricated stair plate; and the shock pad is arranged at the contact part of the upper beam and the upper end of the prefabricated stair board. The utility model provides a traditional cast-in-place stair structure of an organic whole take place the problem of serious damage easily under the earthquake effect.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to assembled shock attenuation stair structure.
Background
In the position of stairs in a building structure, the traditional stairs adopting cast-in-place steel bar structural members are integrally cast and connected with beams, columns or walls into a whole. When the structure receives earthquake effect or structural deformation, the stair participates in resisting horizontal force to a certain extent, so the stair is easy to damage and is not beneficial to the safety of the main structure.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, an assembled damping stair structure is provided so as to solve the problem that the traditional integrated cast-in-place stair structure is easy to seriously damage under the action of an earthquake.
In order to achieve the above object, there is provided an assembled shock-absorbing stair structure, comprising:
the stair beam comprises an upper beam and a lower beam which are arranged in a staggered manner;
the lower end of the prefabricated stair plate is fixedly connected to the lower-layer beam, the upper end of the prefabricated stair plate is placed on the upper-layer beam, and a positioning piece for positioning the upper end of the prefabricated stair plate in the horizontal direction is formed at the upper end of the prefabricated stair plate; and
and the shock pad is arranged at the contact part of the upper beam and the upper end of the prefabricated stair board.
Furthermore, a limiting groove is formed on the upper beam, the positioning piece is accommodated in the limiting groove, and the positioning piece is in clearance fit with the limiting groove.
Furthermore, flexible plugging glue is filled between the positioning piece and the limiting groove.
Furthermore, the limiting groove is located on the first side, far away from the lower-layer beam, of the upper portion of the upper-layer beam.
Furthermore, an embedded part is embedded in the upper surface of the lower beam, a vertical through hole is preset at the lower end of the prefabricated stair board, the upper end of the embedded part penetrates through the vertical through hole, a fastening piece is connected to the upper end of the embedded part, and the fastening piece is pressed against the prefabricated stair board.
Further, the first side of upper strata roof beam is formed with the landing slab, the landing slab is connected in the wall body of stairwell, the landing slab with the second movement joint has been left to the upper end of prefabricated stair tread.
Furthermore, flexible plugging glue is filled in the second deformation joint.
The beneficial effects of the utility model reside in that, the utility model discloses an assembled shock attenuation stair structure has accelerated the progress of building structure construction through the prefabricated processing that adopts prefabricated stair board, with the lower extreme fixed connection of prefabricated stair board in lower floor's roof beam, with the upper end swing joint of prefabricated stair board in upper beam, the upper end of prefabricated stair board is shelved on the shock pad on the upper beam, when seismic action or building structure take place vertical displacement change, prefabricated stair board passes through the shock pad and transmits in upper beam, reduce self energy and store, reduce stair structure and destroy.
Drawings
Fig. 1 is the utility model discloses assembled shock attenuation stair structure's of embodiment structural schematic.
Fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Fig. 3 is a partially enlarged view of fig. 2 at B.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Fig. 1 is a schematic structural view of an assembled shock-absorbing stair structure according to an embodiment of the present invention, fig. 2 is a sectional view taken along a-a in fig. 1, and fig. 3 is a partially enlarged view taken along B in fig. 2.
Referring to fig. 1 to 3, the utility model provides an assembled shock attenuation stair structure, include: stair beam 1, shock pad 2 and prefabricated stair plate 3.
Specifically, the stair girders 1 include an upper girder 11 and a lower girder 12. The upper beam 11 and the lower beam 12 are arranged in the same direction, and the upper beam 11 and the lower beam 12 are arranged in a staggered manner. The lower end of the prefabricated stair plate 3 is fixedly connected with the lower-layer beam 12. The upper end of the prefabricated staircase boards 3 extends downwards to form a positioning piece 31. The positioning member 31 is mainly used for positioning the upper end of the prefabricated step floor in the horizontal direction. The shock pad 2 pad is located the position of upper beam and the upper end contact of prefabricated stair board. The upper end of the prefabricated stair board 3 is placed on the shock pad.
The utility model discloses an assembled shock attenuation stair structure has accelerated the progress of building structure construction through the prefabricated processing that adopts prefabricated stair board, lower extreme fixed connection in the lower beam with prefabricated stair board, upper end swing joint in the upper beam with prefabricated stair board, the shock pad on the upper beam is shelved in to the upper end of prefabricated stair board, when seismic action or building structure take place vertical displacement change, prefabricated stair board passes through the shock pad and transmits in the upper beam, reduce self energy and store, reduce stair structure and destroy.
The upper part of the upper beam 11 is formed with a limiting groove on a first side away from the lower beam 12. The positioning member 31 is received in the position-limiting recess. The positioning piece is in clearance fit with the limiting groove, namely a first deformation joint is reserved between the periphery of the positioning piece and the inner wall of the limiting groove.
The utility model discloses an assembly type shock attenuation stair structure's prefabricated stair plate's upper end forms the hasp through the olecranon form setting element that forms and the spacing recess clearance fit of upper beam and is connected to form first movement joint around the setting element between the inner wall with spacing recess, the earthquake effect of being convenient for or building structure displacement when warping, reduce stair because the fracture gap or the destruction of drawing that exogenic action produced improve the degree of safety of stair structure down.
In this embodiment, the first deformation joint is filled with a flexible blocking glue 4. Preferably, the flexible plugging rubber 4 is one of asphalt and polyurethane elastic sealing foaming agent.
The lower ends of the prefabricated stair boards are fixed, and when the lower-layer beam 12 is poured, the embedded parts 121 are embedded in the upper surface of the lower-layer beam. In the present embodiment, the embedded part 121 is a high-strength bolt. In the prefabrication production of the prefabricated stair boards, the lower ends of the prefabricated stair boards 3 are preset with vertical through holes. When the lower end of the prefabricated stair board is fixed, the upper end of the embedded part 121 penetrates through the vertical through hole at the lower end of the prefabricated stair board, and the upper end of the embedded part 121 is connected with a fastening piece 122. The fastening member 122 is pressed against the lower end of the prefabricated staircase board 3. In the present embodiment, the fastener 122 is a fastening nut.
In this embodiment, the first side of the upper beam is formed with a deck plate 5. Specifically, a first side of the deck plate 5 is connected to a second side of the upper portion of the upper beam 11, and a second side of the deck plate 5 is connected to a wall of the staircase. And a second deformation joint is reserved between the first side of the platform plate 5 and the upper end of the prefabricated stair plate 3. The second deformation joint is communicated with the first deformation joint.
As a preferred embodiment, the platform plates 5 are flush with the top of the prefabricated stair treads 3. The second deformation joint is also filled with flexible plugging glue. The platform board is further carried on spacingly to prefabricated stair board 3's upper end to leave the second movement joint between the two and in order to further improve the shock resistance, protection stair structure.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the present invention, which are intended to be limited only by the scope of the appended claims.
Claims (7)
1. An assembled shock absorbing stair structure, comprising:
the stair beam comprises an upper beam and a lower beam which are arranged in a staggered manner;
the lower end of the prefabricated stair plate is fixedly connected to the lower-layer beam, the upper end of the prefabricated stair plate is placed on the upper-layer beam, and a positioning piece for positioning the upper end of the prefabricated stair plate in the horizontal direction is formed at the upper end of the prefabricated stair plate; and
and the shock pad is arranged at the contact part of the upper beam and the upper end of the prefabricated stair board.
2. The assembled shock-absorbing stair structure of claim 1, wherein a limiting groove is formed on the upper beam, the positioning element is accommodated in the limiting groove, and the positioning element is in clearance fit with the limiting groove.
3. The fabricated shock-absorbing stair structure according to claim 2, wherein a flexible plugging glue is filled between the positioning member and the limiting groove.
4. The fabricated shock absorbing stair structure of claim 2, wherein the curb recess is located on a first side of an upper portion of the upper sill distal from the lower sill.
5. The assembled shock-absorbing stair structure according to claim 1, wherein an embedded part is embedded in the upper surface of the lower beam, a vertical through hole is preset in the lower end of the prefabricated stair plate, the upper end of the embedded part is arranged in the vertical through hole in a penetrating manner, and a fastening part is connected to the upper end of the embedded part and presses against the prefabricated stair plate.
6. The fabricated shock-absorbing stair structure of claim 1, wherein a landing slab is formed on the first side of the upper beam, the landing slab is connected to a wall of a staircase, and a second deformation joint is left between the landing slab and the upper end of the prefabricated stair slab.
7. The fabricated shock-absorbing stair structure according to claim 6, wherein the second deformation joint is filled with a flexible plugging glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369469.0U CN210032407U (en) | 2019-03-22 | 2019-03-22 | Assembled shock attenuation stair structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369469.0U CN210032407U (en) | 2019-03-22 | 2019-03-22 | Assembled shock attenuation stair structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210032407U true CN210032407U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920369469.0U Active CN210032407U (en) | 2019-03-22 | 2019-03-22 | Assembled shock attenuation stair structure |
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| CN (1) | CN210032407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944401A (en) * | 2019-03-22 | 2019-06-28 | 中国建筑第八工程局有限公司 | Shock insulation assembled staircase structure |
| CN111364706A (en) * | 2020-04-17 | 2020-07-03 | 漳州昊恒建材有限公司 | Integrally assembled building stair |
-
2019
- 2019-03-22 CN CN201920369469.0U patent/CN210032407U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944401A (en) * | 2019-03-22 | 2019-06-28 | 中国建筑第八工程局有限公司 | Shock insulation assembled staircase structure |
| CN111364706A (en) * | 2020-04-17 | 2020-07-03 | 漳州昊恒建材有限公司 | Integrally assembled building stair |
| CN111364706B (en) * | 2020-04-17 | 2021-06-15 | 漳州昊恒建材有限公司 | Integrally assembled building stair |
| WO2021208871A1 (en) * | 2020-04-17 | 2021-10-21 | 昊恒（福建）建材科技有限公司 | Integrally assembled building stairs |
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