CN210659017U - Prefabricated plate type stairs - Google Patents
Prefabricated plate type stairs Download PDFInfo
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- CN210659017U CN210659017U CN201921293532.3U CN201921293532U CN210659017U CN 210659017 U CN210659017 U CN 210659017U CN 201921293532 U CN201921293532 U CN 201921293532U CN 210659017 U CN210659017 U CN 210659017U
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Abstract
The utility model discloses a prefabricated plate type stair, which belongs to the technical field of buildings and comprises a prefabricated stair body connected with an upper platform and a lower platform, wherein the upper end of the prefabricated stair body is fixedly arranged on the upper platform, an upper base is pre-embedded on the bottom surface of the lower end of the prefabricated stair body, a lower base is pre-embedded on the upper surface of the lower platform corresponding to the upper base, and a damping element is arranged between the upper base and the lower base; a first gap is formed between the side face of the lower end of the prefabricated staircase body and the lower platform, and a first elastic element is arranged in the first gap; the prefabricated staircase body is internally provided with a cavity which is filled with a light part. The utility model can effectively eliminate the vibration force and improve the safety; and the weight of the stair can be reduced, the lifting range of the existing tower crane equipment on the construction site is reached, the transportation and the lifting are convenient, and the construction cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the building, especially, relate to a prefabricated plate type stair.
Background
In response to the call for building industrialization of the Ministry of construction, the construction enterprises in all parts of the country have conducted the research on the assembly type buildings. The prefabricated building refers to a building which is constructed by prefabricating and finishing some or all components of the building in a factory, then transporting the components to a construction site, and assembling the components in a reliable connection mode. Among them, the prefabricated staircase has been commonly used in prefabricated buildings as a kind of prefabricated parts.
In the assembly type building, when the prefabricated staircase is assembled, a plurality of external factors, particularly the shock resistance, need to be considered. At present, the prefabricated staircase and the connection of floor major structure usually adopt rigid connection among the prior art. This kind of rigid connection mode, although can resist the damage that weak vibrations brought to a certain extent, nevertheless under the strong circumstances of shaking, still can't avoid the damage of stair and floor major structure junction, have very big potential safety hazard. In addition, the general weight of current prefabricated staircase is heavier, and the transportation and hoist and mount of being inconvenient for lead to construction cost higher.
Therefore, in the field of building technology, there is still a need for research and improvement on prefabricated staircases, which is also a research focus and focus in the field of current building technology, and more the starting point of the present invention.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses the technical problem that solve is: the prefabricated plate type stair can effectively eliminate vibration force and improve safety.
In order to solve the technical problem, the technical scheme of the utility model is that: the prefabricated plate type stair comprises a prefabricated stair body connected with an upper platform and a lower platform, wherein the upper end of the prefabricated stair body is fixedly installed on the upper platform, an upper base is pre-embedded in the bottom surface of the lower end of the prefabricated stair body, a lower base is pre-embedded in the upper surface of the lower platform corresponding to the upper base, and a damping element is arranged between the upper base and the lower base; a first gap is formed between the side face of the lower end of the prefabricated staircase body and the lower platform, and a first elastic element is arranged in the first gap.
As an improvement, the prefabricated staircase body is internally provided with a cavity which is filled with a light part.
As a further improvement, the lightweight component is an extruded sheet.
As an improvement, the opposite surfaces of the upper base and the lower base are respectively provided with a groove, and the damping element is arranged in the grooves.
As a further improvement, the shock absorption element is a rubber piece, and the upper base and the lower base are both stainless steel bases.
As an improvement, the tread of the prefabricated staircase body is provided with an anti-skid groove.
As an improvement, bolts are pre-buried on the upper platform, reserved openings corresponding to the bolts are formed in the upper end of the prefabricated staircase body, the bolts are located in the reserved openings, grouting materials are poured into the reserved openings, and a mortar blocking layer is further arranged on the upper portions, located in the reserved openings, of the grouting materials; a second gap is formed between the side face of the upper end of the prefabricated staircase body and the upper platform, and a second elastic element is arranged in the second gap.
As a further improvement, a mortar leveling layer is arranged between the bottom surface of the upper end of the prefabricated staircase body and the upper platform, and a polystyrene board is filled on one side, away from the second gap, of the mortar leveling layer.
As a further improvement, the preformed hole is provided with a reinforcing rib inside the prefabricated staircase body, and the reinforcing rib is U-shaped and surrounds the preformed hole.
As a further improvement, the first elastic element and the second elastic element both comprise a polystyrene board and a polyethylene rod, the polyethylene rod is located above the polystyrene board, and an injection glue layer is further arranged above the polyethylene rod.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
the utility model provides a prefabricated plate type stair, because the upper end of the prefabricated stair body is fixedly installed on an upper platform, an upper base is pre-embedded on the bottom surface of the lower end of the prefabricated stair body, a lower base is pre-embedded on the upper surface of the lower platform corresponding to the upper base, and a damping element is arranged between the upper base and the lower base; therefore, when vibration occurs, the lower end of the prefabricated staircase body can slide relative to the lower platform, and vibration force is eliminated through the damping element, so that the prefabricated staircase body is prevented from being damaged; and because the first gap is formed between the side surface of the lower end of the prefabricated staircase body and the lower platform, a horizontal displacement space can be reserved for the lower platform or the prefabricated staircase body, mutual extrusion is avoided, and a first elastic element is arranged in the first gap, so that the safety coefficient is further improved. The utility model provides a prefabricated plate stair can effectively eliminate the vibrations power, improves the security.
Because this internal cavity that has of prefabricated stair, the cavity intussuseption is filled with the light spare, can alleviate the weight of stair to reach the jack-up scope of the present tower crane equipment of building site job site, be convenient for transportation and hoist and mount reduce construction cost.
Because the opposite surfaces of the upper base and the lower base are respectively provided with a groove, the damping elements are arranged in the grooves, and the grooves of the upper base and the grooves of the lower base can limit the positions of the damping elements, so that the connection part is more reliable.
Because the anti-skidding groove is arranged on the tread of the prefabricated staircase body, people are not easy to skid when walking on the tread, and the safety is ensured.
The bolts are pre-buried on the upper platform, and the reserved openings corresponding to the bolts are formed in the upper end of the prefabricated staircase body, so that when the upper end of the prefabricated staircase body is connected with the upper platform, the bolts are located in the reserved openings, grouting material is poured into the reserved openings, and the mortar blocking layer is arranged on the upper portion of the grouting material, so that the upper platform is connected with the prefabricated staircase body simply and conveniently; because a second gap is formed between the side face of the upper end of the prefabricated staircase body and the upper platform, a second elastic element is arranged in the second gap, and the seam between the upper end of the prefabricated staircase body and the upper platform can be filled through the second elastic element.
Because this internal strengthening rib that is provided with of prefabricated staircase in reservation mouth department, the strengthening rib can improve the intensity of reservation mouth department.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the range which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural view of the prefabricated plate type staircase provided by the present invention (the upper base is omitted in fig. 1);
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged schematic structural view of the installation position of the lower end of the prefabricated staircase body and the lower platform;
FIG. 4 is an enlarged schematic view of the installation position of the upper end of the prefabricated staircase body and the upper platform;
FIG. 5 is an enlarged view of a portion of FIG. 1 at A;
fig. 6 is a cross-sectional view of the prefabricated plate type staircase provided by the utility model (the upper base and the reinforcing ribs are omitted in the figure);
in the figure: 1-upper platform, 11-bolt, 2-lower platform, 21-lower base, 3-prefabricated staircase body, 31-upper base, 32-reserved opening, 33-reinforcing rib, 34-anti-slip groove, 35-extruded sheet, 4-rubber piece, 51-polystyrene board, 52-polyethylene rod, 53-glue injection layer, 6-grouting material, 7-mortar blocking layer, 81-polystyrene board, 82-polyethylene rod, 83-glue injection layer, 91-mortar leveling layer and 92-polystyrene board.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
In the present specification, the terms "front", "rear", "left", "right", "inner", "outer" and "middle" are used 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.
As shown in fig. 1 to 4, a prefabricated plate type staircase comprises a prefabricated staircase body 3 connected with an upper platform 1 and a lower platform 2, wherein the upper end of the prefabricated staircase body 3 is fixedly installed on the upper platform 1, an upper base 31 is embedded on the bottom surface of the lower end of the prefabricated staircase body 3, a lower base 21 is embedded on the upper surface of the lower platform 2 corresponding to the upper base 31, and a damping element is arranged between the upper base 31 and the lower base 21, in the embodiment, the upper base 31 and the lower base 21 are both stainless steel bases, and the damping element is a rubber part 4; it should be noted that the upper base 31 and the lower base 21 may also be made of other materials that can be realized by those skilled in the art, and the damping element may also be made of other damping materials that can be realized by those skilled in the art, such as a silica gel pad, and so on, which are not described herein again; a first gap is formed between the side face of the lower end of the prefabricated staircase body 3 and the lower platform 2, a first elastic element is arranged in the first gap, in the embodiment, the first elastic element comprises a polystyrene board 51 and a polyethylene rod 52, the polyethylene rod 52 is positioned above the polystyrene board 51, and an injection glue layer 53 is further arranged above the polyethylene rod 52.
The opposite surfaces of the upper base 31 and the lower base 21 are respectively provided with a groove (not marked in the figure), the shock absorption elements are arranged in the grooves, and the grooves of the upper base 31 and the lower base 21 can limit the positions of the shock absorption elements, so that the connection part is more reliable.
Therefore, when vibration occurs, the lower end of the prefabricated staircase body 3 can slide relative to the lower platform 2, and vibration force is eliminated through the rubber piece 4, so that the prefabricated staircase body 3 is prevented from being damaged; the first gap can reserve a horizontal displacement space for the lower platform 2 or the prefabricated staircase body 3 to avoid mutual extrusion; the safety factor can be further increased by polystyrene boards 51 and polyethylene rods 52.
As shown in fig. 1, 2 and 4, the upper platform 1 is embedded with bolts 11, the upper end of the prefabricated staircase body 3 is provided with reserved ports 32 corresponding to the bolts 11, the bolts 11 are located in the reserved ports 32, grouting materials 6 are poured into the reserved ports 32, and mortar blocking layers 7 are further arranged on the upper portions of the grouting materials 6 in the reserved ports 32; a second gap is formed between the side face of the upper end of the prefabricated staircase body 3 and the upper platform 1, a second elastic element is arranged in the second gap, in this embodiment, the second elastic element comprises a polystyrene board 81 and a polyethylene rod 82, the polyethylene rod 82 is located above the polystyrene board 81, and an injection glue layer 83 is further arranged above the polyethylene rod 82.
When the upper end of the prefabricated staircase body 3 is connected with the upper platform 1, the bolts 11 are positioned in the reserved openings 32, then the grouting material 6 is poured into the reserved openings 32, and the mortar sealing layer 7 is arranged on the upper portion of the grouting material 6, so that the upper platform 1 and the prefabricated staircase body 3 are connected simply and conveniently; the joints between the upper end of the prefabricated staircase body 3 and the upper platform 1 can be filled by polystyrene boards 81 and polyethylene rods 82.
A mortar leveling layer 91 is arranged between the bottom surface of the upper end of the prefabricated staircase body 3 and the upper platform 1, and a polystyrene board 92 is filled on one side of the mortar leveling layer 91, which is far away from the second gap.
In order to improve the strength of the reserved opening 32, a reinforcing rib 33 is arranged in the prefabricated staircase body 3 at the reserved opening 32, and the reinforcing rib 33 is U-shaped and is arranged around the reserved opening 32.
In order to ensure that people do not easily slip when walking on the tread, the tread of the prefabricated staircase body 3 is provided with an anti-slip groove 34 by combining the figures 1, 2 and 5, thereby ensuring safety.
As shown in fig. 6, in order to facilitate transportation and hoisting and reduce construction cost, a cavity (not shown in the figure) is formed in the prefabricated staircase body 3, and light parts are filled in the cavity. In this embodiment, the lightweight element is an extruded sheet 35. Of course, the lightweight elements can also be made of other materials that can be realized by the person skilled in the art, such as plasterboard or the like. Therefore, the weight of the stairs can be reduced, and the lifting range of the existing tower crane equipment on the construction site of the construction site is reached.
In conclusion, the prefabricated plate type staircase provided by the utility model can effectively eliminate the vibration force and improve the safety; and the weight of the stair can be reduced, the lifting range of the existing tower crane equipment on the construction site is reached, the transportation and the lifting are convenient, and the construction cost is reduced.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The prefabricated plate type stair comprises a prefabricated stair body connected with an upper platform and a lower platform, wherein the upper end of the prefabricated stair body is fixedly installed on the upper platform; a first gap is formed between the side face of the lower end of the prefabricated staircase body and the lower platform, and a first elastic element is arranged in the first gap.
2. The prefabricated plate stair of claim 1, wherein the prefabricated stair body has a cavity therein, and the cavity is filled with a lightweight member.
3. The prefabricated panel stairway of claim 2 wherein the lightweight member is an extruded panel.
4. The prefabricated slat type staircase of claim 1, wherein the opposing surfaces of the upper base and the lower base are each provided with a groove, the shock absorbing elements being disposed within the grooves.
5. The prefabricated plate stair of claim 4, wherein the shock absorbing element is a rubber member, and the upper and lower bases are stainless steel bases.
6. The prefabricated plate stair of claim 1, wherein the tread of the prefabricated stair body is provided with anti-slip grooves.
7. The prefabricated plate type staircase according to any one of claims 1 to 6, wherein bolts are pre-embedded in the upper platform, reserved openings corresponding to the bolts are formed in the upper end of the prefabricated staircase body, the bolts are located in the reserved openings, grouting materials are filled in the reserved openings, and a mortar blocking layer is further arranged in the reserved openings and located on the upper portions of the grouting materials; a second gap is formed between the side face of the upper end of the prefabricated staircase body and the upper platform, and a second elastic element is arranged in the second gap.
8. The prefabricated plate type staircase of claim 7, wherein a mortar leveling layer is arranged between the bottom surface of the upper end of the prefabricated staircase body and the upper platform, and a polystyrene plate is filled on one side of the mortar leveling layer away from the second gap.
9. The prefabricated plate type staircase according to claim 7, wherein reinforcing ribs are arranged in the prefabricated staircase body at the reserved opening, are U-shaped and are arranged around the reserved opening.
10. The prefabricated plate stair of claim 7, wherein the first elastic element and the second elastic element each comprise a polystyrene plate and a polyethylene rod, the polyethylene rod is located above the polystyrene plate, and an injection glue layer is further arranged above the polyethylene rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293532.3U CN210659017U (en) | 2019-08-09 | 2019-08-09 | Prefabricated plate type stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921293532.3U CN210659017U (en) | 2019-08-09 | 2019-08-09 | Prefabricated plate type stairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210659017U true CN210659017U (en) | 2020-06-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921293532.3U Active CN210659017U (en) | 2019-08-09 | 2019-08-09 | Prefabricated plate type stairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210659017U (en) |
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2019
- 2019-08-09 CN CN201921293532.3U patent/CN210659017U/en active Active
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