CN219654121U - Assembled stair with bidirectional sliding connection nodes - Google Patents
Assembled stair with bidirectional sliding connection nodes Download PDFInfo
- Publication number
- CN219654121U CN219654121U CN202321050782.0U CN202321050782U CN219654121U CN 219654121 U CN219654121 U CN 219654121U CN 202321050782 U CN202321050782 U CN 202321050782U CN 219654121 U CN219654121 U CN 219654121U
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- sliding connection
- plate
- stair
- rest platform
- connection structure
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- 230000002457 bidirectional effect Effects 0.000 title claims description 28
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Steps, Ramps, And Handrails (AREA)
Abstract
The utility model discloses an assembled stair with two-way sliding connection nodes, which relates to the technical field of constructional engineering and comprises an upper rest platform plate, a lower rest platform plate and a prefabricated bench plate, wherein the upper end and the lower end of the prefabricated bench plate are respectively connected with the upper rest platform plate and the lower rest platform plate through two-way sliding connection structures, the two-way sliding connection structures comprise a first sliding connection structure and a second sliding connection structure, the bottoms of the two ends of the prefabricated bench plate are connected with stair girders below through the first sliding connection structure, and the side surfaces of the two ends of the prefabricated bench plate are connected with the upper rest platform plate and the lower rest platform plate through the second sliding connection structure; the utility model can effectively avoid the K-shaped diagonal bracing effect of the traditional assembled stairway in the earthquake action, realizes the weak treatment of the joint of the stairway, improves the deformability of the joint, and has convenient construction and reliable protection.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to an assembled stair with a bidirectional sliding connection node.
Background
In the assembled stairway, the connecting nodes in the general forms such as fixed supports and the like are usually adopted, namely, the left end and the right end of a bench plate of the stairway are embedded with anchor bars for grouting to limit the sliding quantity, connecting pieces are required to be embedded in the production of the stairway, the hoisting and positioning difficulties in the construction are high, and the embedded pieces are easy to deform and damage in the transportation and construction processes; meanwhile, the deformation between the elastic and plastic layers of the structure is limited clearly in the specification, namely the deformation range of the main body member is 50mm and is more than or equal to 1/50 of the height of the tread section, and the width of the lug for supporting the stair (usually about 200 mm) is required, so that the anchor bar and secondary pouring are fixed as anchoring measures, the environment is single, the adaptability is poor, the necessity and the effect of the anchor bar and secondary pouring are required to be researched, optimized and improved, and under the action of an earthquake, the situation that the stair is damaged before the whole structure is solved by the traditional connecting node.
The sliding connection node is a support form commonly used in a building, the existing sliding connection node is extremely complex in the installation process of the stair, the upper end of the stair beam and the lower parts of the left end and the right end of the stair section plate are fixed on the upper surface of the stair beam by utilizing embedded parts such as embedded steel plates, anchor bars and the like during construction, the construction is inconvenient, the operability is not strong, the existing sliding support such as ATa type and ATb type cannot be well fused with an assembled stair, the situation of shearing sliding damage of the stair still occurs when the earthquake happens, the K-shaped diagonal bracing effect is obvious, the building body is damaged before the whole structure, the stair cannot serve as an escape channel during the earthquake, and therefore the assembled stair with the bidirectional sliding connection node is provided.
Disclosure of Invention
The utility model aims to solve the technical problems that the connection node of the assembled stair is inconvenient to construct, the earthquake resistance is insufficient, the deformation is serious, and the K-shaped diagonal bracing effect of a bench plate is obvious.
The utility model is realized by the following technical scheme:
the assembled stair with the bidirectional sliding connection nodes comprises an upper rest platform plate, a lower rest platform plate and a prefabricated bench plate, wherein the upper end and the lower end of the prefabricated bench plate are respectively connected with the upper rest platform plate and the lower rest platform plate through bidirectional sliding connection structures;
the two-way sliding connection structure comprises a first sliding connection structure and a second sliding connection structure, the bottom surfaces of two ends of the prefabricated bench plate are connected with the stair beams below through the first sliding connection structure, and the side surfaces of two ends of the prefabricated bench plate are connected with the upper rest platform plate and the lower rest platform plate through the second sliding connection structure.
Further, the upper rest platform plate is arranged above the stair beam, two ends of the lower rest platform plate are connected to the frame beam, and two ends of the prefabricated bench plate are connected to the stair beam.
Further, the stair tread comprises a first stair tread, a second stair tread and a third stair tread, the upper rest platform plate is arranged on the first stair tread, and the upper end and the lower end of the prefabricated tread plate are respectively arranged on the second stair tread and the third stair tread.
Further, one side of the first stair tread is connected to the frame column, the other side of the first stair tread is connected to the stair tread, two ends of the second stair tread are connected to the stair tread, and three ends of the first stair tread are connected to the frame beam.
Further, the upper surface and the lower surface of the first sliding connection structure are respectively connected with the prefabricated bench plate and the stair tread in an adhesive mode.
Further, the first sliding connection structure is a polytetrafluoroethylene plate.
Further, the polytetrafluoroethylene plate has a thickness of 4mm.
Furthermore, one side of the second sliding connection structure is bonded with the upper rest platform plate/the lower rest platform plate, and the other side of the second sliding connection structure is bonded with the side face of the end part of the prefabricated bench plate.
Further, the second sliding connection structure is a polyphenyl filling plate.
Further, the polyphenyl filling plate has a thickness of 10mm.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the utility model, the upper end and the lower end of the prefabricated bench plate are respectively provided with the bidirectional sliding connection structures to form the upper and the lower sets of bidirectional sliding connection nodes, the bidirectional sliding function and the buffer deformation function in the horizontal direction and the vertical direction are realized, the bidirectional sliding of the end part of the prefabricated bench plate is realized, the sliding capacity of the nodes is improved, the earthquake energy can be weakened, the K-shaped diagonal bracing effect of the bench plate is eliminated as much as possible, the transmission of earthquake acting force to the prefabricated bench plate can be reduced, the deformation capacity of the connection nodes is improved, and the damage occurrence of the prefabricated bench plate and the platform plate is reduced.
2. The assembled stair with the bidirectional sliding connection nodes is formed by connecting the polytetrafluoroethylene plates and the polyphenyl filling plates with the ladder beams and the rest platform plates, the traditional method of fixing anchor bars and the like is not adopted at the joint of the nodes, embedded parts are not needed, the structure is simple, the construction is convenient, and the operability is high.
3. According to the bidirectional sliding connection node, the assembled stair is combined, so that the effect of reducing the lateral rigidity resistance of the whole building structure in the earthquake action is achieved, and the bidirectional sliding connection node is more beneficial to structural earthquake resistance than a fixed support of the traditional assembled stair.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a cross-sectional view of an assembled stair according to the present utility model;
FIG. 2 is a plan view of an assembled stair according to the present utility model;
fig. 3 is a schematic view of a bidirectional sliding connection structure according to the present utility model.
In the drawings, the reference numerals and corresponding part names:
1-sliding connection structure I, 2-sliding connection structure II, 3-lower rest platform plate, 4-prefabricated bench plate, 5-upper rest platform plate, 6-stair beam, 601-stair beam I, 602-stair beam II, 603-stair beam III, 7-stair column, 8-frame column and 9-frame beam.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the utility model. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the utility model.
Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present utility model, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.
Example 1
The embodiment 1 provides an assembled stair with two-way sliding connection nodes, which comprises an upper rest platform plate 5, a lower rest platform plate 3 and a prefabricated bench plate 4, wherein the upper end and the lower end of the prefabricated bench plate 4 are respectively connected with the upper rest platform plate 5 and the lower rest platform plate 3 through two-way sliding connection structures;
the bidirectional sliding connection structure comprises a first sliding connection structure 1 and a second sliding connection structure 2, the bottom surfaces of two ends of the prefabricated bench board 4 are connected with a stair beam 6 below through the first sliding connection structure 1, and the side surfaces of two ends of the prefabricated bench board 4 are connected with an upper rest platform board 5 and a lower rest platform board 3 through the second sliding connection structure 2.
According to the utility model, the upper end and the lower end of the prefabricated bench plate 4 are respectively provided with the bidirectional sliding connection structures to form the upper and the lower groups of bidirectional sliding connection nodes, the bidirectional sliding function and the buffer deformation function in the horizontal direction and the vertical direction are realized, the bidirectional sliding of the end part of the prefabricated bench plate 4 is realized, the sliding capacity of the nodes is improved, the earthquake energy can be weakened, the K-shaped diagonal bracing effect of the bench plate is eliminated as much as possible, the transmission of earthquake acting force to the prefabricated bench plate 4 can be reduced, the deformation capacity of the connection nodes is improved, and the occurrence of the damage of the prefabricated bench plate 4 and the platform plate is reduced.
The upper rest platform plate 5 is arranged above the stair tread 6, two ends of the lower rest platform plate 3 are connected to frame beams 9, and two ends of the prefabricated bench plate 4 are connected to the stair tread 6.
Specifically, the stair tread 6 includes a first stair tread 601, a second stair tread 602 and a third stair tread 603, the upper rest platform board 5 is specifically disposed on the first stair tread 601, and the upper and lower ends of the prefabricated tread board 4 are respectively disposed on the second stair tread 602 and the third stair tread 603.
One side of the first stair tread beam 601 is connected to the frame column 8, the other side of the first stair tread beam is connected to the stair tread column 7, two ends of the second stair tread beam 602 are connected to the stair tread column 7, and two ends of the third stair tread beam 603 are connected to the frame beam 9.
The upper surface and the lower surface of the first sliding connection structure 1 are respectively connected with the prefabricated bench plate 4 and the stair tread 6 in an adhesive mode. Specifically, the bottom surface of the left end of the prefabricated bench plate 4 is connected with the second stair tread 602 through the first sliding connection structure 1, and the bottom surface of the right end of the prefabricated bench plate 4 is connected with the third stair tread 603 through the first sliding connection structure 1. In order to prevent quality damage, the left end and the right end of the prefabricated bench plate 4 are attached to the horizontal surfaces of the stair beams 6 corresponding to the lower part by adopting adhesive, and the utility model does not adopt the traditional method of fixing modes such as anchor bars and the like, does not need embedded parts, and has more convenient construction and higher operability.
Specifically, the first sliding connection structure 1 is a polytetrafluoroethylene plate, and the thickness of the polytetrafluoroethylene plate is 4mm. The polytetrafluoroethylene plate has the advantages of smooth surface, friction coefficient not exceeding 0.04, small friction force, strong sliding capacity, good buffering effect and the like.
One side of the second sliding connection structure 2 is bonded with the upper rest platform plate 5/the lower rest platform plate 3, the other side of the second sliding connection structure is bonded with the side face of the end part of the prefabricated bench plate 4, specifically, the right side of the upper rest platform plate 5 is bonded with the second sliding connection structure 2, and the left side of the lower rest platform plate 3 is bonded with the second sliding connection structure 2.
Specifically, the second sliding connection structure 2 is a polyphenyl filling plate, the thickness of the polyphenyl filling plate is 10mm, and the polyphenyl filling plate has a good compression deformation function.
The utility model is suitable for plate type stairs, after the peripheral components of the prefabricated bench plate 4 are cast in situ, the prefabricated bench plate 4 is hoisted and installed on site, before the prefabricated bench plate 4 is installed, the left end and the right end of the prefabricated bench plate 4 are attached to the horizontal surfaces of the stair beams 6 corresponding to the lower part by adopting adhesive, the polyphenyl filling plates are temporarily fixed on the end surfaces of the upper rest platform plate 5 and the lower rest platform plate 3, which are connected with the prefabricated bench plate 4, then the prefabricated bench plate 4 is hoisted in place, the polytetrafluoroethylene plate on the bottom surface and the polyphenyl filling plates on the side surfaces are tightly compacted, and finally the assembled stair with the bidirectional sliding connection nodes is formed.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The assembled stair with the bidirectional sliding connection nodes is characterized by comprising an upper rest platform plate (5), a lower rest platform plate (3) and a prefabricated bench plate (4), wherein the upper end and the lower end of the prefabricated bench plate (4) are respectively connected with the upper rest platform plate (5) and the lower rest platform plate (3) through bidirectional sliding connection structures;
the bidirectional sliding connection structure comprises a first sliding connection structure (1) and a second sliding connection structure (2), the bottoms of two ends of the prefabricated bench plate (4) are connected with a stair tread (6) below through the first sliding connection structure (1), and the side surfaces of two ends of the prefabricated bench plate (4) are connected with an upper rest platform plate (5) and a lower rest platform plate (3) through the second sliding connection structure (2).
2. The assembled stair with the bidirectional sliding connection node according to claim 1, wherein the upper rest platform plate (5) is arranged above the stair tread (6), two ends of the lower rest platform plate (3) are connected to frame beams (9), and two ends of the prefabricated stair tread (4) are connected to the stair tread (6).
3. The assembled stair with the bidirectional sliding connection node according to claim 1, wherein the stair tread (6) comprises a stair tread first (601), a stair tread second (602) and a stair tread third (603), the upper rest platform plate (5) is arranged on the stair tread first (601), and the upper and lower ends of the prefabricated tread plate (4) are respectively arranged on the stair tread second (602) and the stair tread third (603).
4. A fabricated stairway with two-way sliding connection node according to claim 3, characterised in that one side of the first stairway girder (601) is connected to the frame column (8) and the other side is connected to the stairway column (7), two ends of the second stairway girder (602) are connected to the stairway column (7), and two ends of the third stairway girder (603) are connected to the frame girder (9).
5. The assembled stair with the bidirectional sliding connection node according to claim 1, wherein the upper surface and the lower surface of the first sliding connection structure (1) are respectively connected with the prefabricated stair tread (4) and the stair tread (6) in an adhesive mode.
6. The fabricated stairway with bi-directional sliding connection nodes according to claim 1, wherein the first sliding connection structure (1) is a polytetrafluoroethylene plate.
7. The fabricated stairway with bi-directional sliding connection nodes according to claim 6, wherein the polytetrafluoroethylene plate is 4mm thick.
8. The assembled stair with the bidirectional sliding connection node according to claim 1, wherein one side of the second sliding connection structure (2) is adhered to the upper rest platform plate (5)/lower rest platform plate (3), and the other side is adhered to the side surface of the end part of the prefabricated stair segment plate (4).
9. The assembled stair with the bidirectional sliding connection node according to claim 1, wherein the sliding connection structure II (2) is a polyphenyl filling plate.
10. The fabricated stairway with bi-directional sliding connection nodes according to claim 9, wherein the polyphenyl infill panel is 10mm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321050782.0U CN219654121U (en) | 2023-05-05 | 2023-05-05 | Assembled stair with bidirectional sliding connection nodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321050782.0U CN219654121U (en) | 2023-05-05 | 2023-05-05 | Assembled stair with bidirectional sliding connection nodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654121U true CN219654121U (en) | 2023-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321050782.0U Active CN219654121U (en) | 2023-05-05 | 2023-05-05 | Assembled stair with bidirectional sliding connection nodes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654121U (en) |
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2023
- 2023-05-05 CN CN202321050782.0U patent/CN219654121U/en active Active
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