CN216552770U - Precast concrete slab type stair - Google Patents
Precast concrete slab type stair Download PDFInfo
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- CN216552770U CN216552770U CN202123039790.9U CN202123039790U CN216552770U CN 216552770 U CN216552770 U CN 216552770U CN 202123039790 U CN202123039790 U CN 202123039790U CN 216552770 U CN216552770 U CN 216552770U
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- precast concrete
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Abstract
The utility model provides a precast concrete plate type stair which comprises a stair bottom plate and stair treads arranged on the stair bottom plate, wherein the stair bottom plate is used for supporting the stair treads; the upper connecting plate is arranged at the upper end of the stair tread, the lower connecting plate is arranged at the lower end of the stair tread, the upper connecting plate and the lower connecting plate are arranged in a staggered mode, the vertical height of the upper connecting plate and the lower connecting plate is equal to the sum of the heights of the vertical ends of the stair treads, and the staggered angle is 40-50 degrees; the side connecting plates are arranged at two ends of the stair bottom plate and the stair treads and are used for connecting the stair bottom plate and the stair treads. The utility model has the advantages that the plate type stairs are prefabricated before construction, the difficulty of on-site pouring is avoided, and only on-site installation is needed; each structure of the plate type staircase can be replaced, and the plate type staircase is simple to disassemble and assemble, convenient to maintain and convenient to maintain; the plate type stairs are simple in construction, time-saving and labor-saving, the construction period is shortened, and labor resources are saved.
Description
Technical Field
The utility model belongs to the field of stair construction, and particularly relates to a precast concrete slab stair.
Background
In recent years, with the improvement of the requirements of China on green construction, energy conservation and emission reduction and the great improvement of the labor market price, the prefabricated assembly type construction technology is greatly popularized by the state and all levels of governments. Stair construction is also upgraded from traditional cast-in-place to factory-made, transported to the site for installation. In the construction of the stair with the ship-shaped drift, the stair is constructed in a cast-in-place mode, however, a large amount of manpower and material resources are consumed in the on-site manufacturing, the manufactured stair is poor in quality, long in construction period, high in production cost and the like, and the stair is difficult to hoist and mount, so that the prefabrication of the novel concrete plate type stair is particularly important.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a precast concrete slab type stair, which is particularly suitable for the construction of precast concrete stairs.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a precast concrete slab stair comprising:
the stair bottom plate is used for supporting the stair treads;
the upper connecting plate is arranged at the upper end of the stair tread, the lower connecting plate is arranged at the lower end of the stair tread, the upper connecting plate and the lower connecting plate are arranged in a staggered mode, the vertical height of the upper connecting plate and the lower connecting plate is equal to the sum of the heights of the vertical ends of the stair treads, and the staggered angle is 40-50 degrees;
the side connecting plates are arranged at two ends of the stair bottom plate and the stair treads and are used for connecting the stair bottom plate and the stair treads.
Further, still include the panel of extending, the panel of extending is located the both ends of stair bottom plate to and
the fixed slot has been seted up on the panel of extending, handrail is established in the fixed slot interpolation, the panel of extending is used for the bearing handrail.
Furthermore, the handrail with be equipped with the splice bar between the side connecting plate, the splice bar wears to locate in the side connecting plate, both ends expose, the part that exposes with the handrail is connected perpendicularly.
Furthermore, the bottom of the stair bottom plate is provided with upright columns with different lengths, and the upright columns are used for supporting the stair bottom plate.
Furthermore, a reinforcing rib is arranged between the stair bottom plate and the stair treads and used for reinforcing the structure of the plate type stair.
Furthermore, a suspension point is arranged on the upper connecting plate, a suspension rod is connected to the suspension point, and the suspension rod is used for suspending and reinforcing the upper connecting plate.
Further, the bottom of lower connecting plate is equipped with the floorbar, the floorbar is used for consolidating lower connecting plate, and the bottom of upper junction plate is equipped with the back timber, the back timber is used for consolidating the upper junction plate.
Furthermore, concrete is poured into the bottom beam for stabilizing the reinforced plate type stair.
Furthermore, the opposite side of the upper connecting plate connected with the stair treads can be connected with the stair treads and the stair bottom plate, or the adjacent side of the upper connecting plate can be connected with the stair treads and the stair bottom plate in a rotatable manner.
The utility model has the advantages and positive effects that: the plate type stairs are prefabricated before construction, so that the difficulty of in-situ pouring is avoided, and only in-situ installation is needed; each structure of the plate type staircase can be replaced, and the plate type staircase is simple to disassemble and assemble, convenient to maintain and convenient to maintain; the plate type stairs are simple in construction, time-saving and labor-saving, the construction period is shortened, and labor resources are saved.
Drawings
Fig. 1 is a front view of a precast concrete slab stair according to an embodiment of the present invention.
Fig. 2 is a top view of a precast concrete slab stair according to an embodiment of the present invention.
In the figure:
1. stair bottom plate 2, stair tread 3 and upper connecting plate
4. Lower connecting plate 5, side connecting plate 6, epitaxial panel
7. Handrail 8, connecting rib 9 and upright post
10. Reinforcing rib 11, suspension rod 12 and bottom beam
13. Top beam
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In addition, the terms "first", "second", "upper", "lower", "left", "right", "front", "back", "far", "near", and the like used in the present invention are all technical terms that are well known in the art and are defined in some positions or spaces for convenience of describing the embodiments, and are not intended to limit the present invention, so that the present invention is not explained in a too great manner.
As shown in fig. 1 to 2, illustrating the structure of an embodiment of the present invention, the embodiment of the present invention relates to a precast concrete stair slab, including: the stair base plate 1 and the stair treads 2 arranged on the stair base plate 1, wherein the stair base plate 1 is used for supporting the stair treads 2; the stair tread comprises an upper connecting plate 3 arranged at the upper end of a stair tread 2 and a lower connecting plate 4 arranged at the lower end of the stair tread 2, wherein the upper connecting plate 3 and the lower connecting plate 4 are arranged in a staggered manner, the vertical height of the upper connecting plate 3 and the lower connecting plate 4 is equal to the sum of the heights of the vertical ends of the stair tread 2, and the staggered angle is between 40 and 50 degrees and can comprise 40 degrees and 50 degrees; set up in the side connecting plate 5 at stair bottom plate 1 and stair tread 2 both ends, side connecting plate 5 is used for connecting stair bottom plate 1 and stair tread 2.
It can be understood that the stair bottom plate 1 and the stair treads 2 are obliquely arranged, the stair treads 2 are in a continuous L-fold line shape, and the side connecting plates 5 are used for plugging the edges of the stair bottom plate 1 and the stair treads 2 and simultaneously used as connecting plates for connecting the edges of the stair bottom plate 1 and the stair treads 2; install strengthening rib 10 between stair bottom plate 1 and stair tread 2, strengthening rib 10 is used for strengthening the shape stability of stair bottom plate 1 and stair tread 2, has strengthened the compressive strength of board stair simultaneously.
The precast concrete plate type stair further comprises extension display plates 6, and the extension display plates 6 are arranged at two ends of the stair bottom plate 1.
Preferably, the extending display board 6 is provided with a fixing groove, a handrail 7 is inserted into the fixing groove, the extending display board 6 is used for supporting the handrail 7, the handrail 7 can be made of wood or aluminum, the surface of the extending display board is polished, and the width of the extending display board 6 is slightly larger than the aperture of the handrail 7.
Preferably, be equipped with splice bar 8 between handrail 7 and the side connecting plate 6, in splice bar 8 wears to locate side connecting plate 6, both ends expose, and the part that exposes is connected with handrail 7 is perpendicular, wherein, has seted up the trompil on the side connecting plate 6, and splice bar 6 is pre-buried on side connecting plate 6, and handrail 7's side is equipped with the weld joint, welds splice bar 8 and handrail 7 in weld joint department.
Preferably, the bottom of stair bottom plate 1 is equipped with the stand 9 of different length, and stand 9 is used for supporting stair bottom plate 1, and the equilibrium of supporting strength is guaranteed to two rows of settings of stand 9, and stand 9 forms through concrete placement, and the surface finish is polished and is painted, can increase the pleasing to the eye of board stair.
Preferably, the upper connecting plate 3 is provided with a suspension point, the suspension point is connected with a suspension rod 11, the suspension rod 11 is used for suspending and reinforcing the upper connecting plate 3, the top end of the suspension piece 11 can be connected with the wall top at the upper end, and if the plate type staircase is installed outdoors, the suspension piece 11 is convenient for the connection of the wall bodies or the support columns at the two ends.
Preferably, the bottom of lower junction plate 4 is equipped with floorbar 12, floorbar 12 is used for consolidating lower junction plate 4, and the bottom of upper junction plate 3 is equipped with back timber 13, back timber 13 is used for consolidating upper junction plate 3, it can be understood that, the inside concreting of floorbar 12, a stability for consolidating the slat type stair, back timber 13 top is established in the bottom of upper junction plate 3, the edge is contradicted with pillar 9, with the help of the internal stress of pillar 9 and the resistance to deformation ability of back timber 13 self, strengthen the mechanical strength of upper junction plate 3, direct reinforcing compressive capacity.
Preferably, the opposite side of the upper connecting plate 3 connected with the stair tread 2 can be connected with the stair tread 2 and the stair bottom plate 1, or the adjacent side of the upper connecting plate 3 can be connected with the stair tread 2 and the stair bottom plate 1 in a rotatable manner, namely the plate stair can extend forwards or turn towards two sides.
According to the embodiment of the utility model, the precast concrete slab stair has the beneficial effects that: the plate type stairs are prefabricated before construction, so that the difficulty of in-situ pouring is avoided, and only in-situ installation is needed; each structure of the plate type staircase can be replaced, and the plate type staircase is simple to disassemble and assemble, convenient to maintain and convenient to maintain; the plate type stairs are simple in construction, time-saving and labor-saving, the construction period is shortened, and labor resources are saved.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. A precast concrete slab stair, comprising:
the stair bottom plate is used for supporting the stair treads;
the upper connecting plate is arranged at the upper end of the stair tread, the lower connecting plate is arranged at the lower end of the stair tread, the upper connecting plate and the lower connecting plate are arranged in a staggered mode, the vertical height of the upper connecting plate and the lower connecting plate is equal to the sum of the heights of the vertical ends of the stair treads, and the staggered angle is 40-50 degrees;
the side connecting plates are arranged at two ends of the stair bottom plate and the stair treads and are used for connecting the stair bottom plate and the stair treads.
2. The precast concrete stair board of claim 1, further comprising extension boards provided at both ends of the stair bottom board, and
the fixed slot has been seted up on the panel of extending, handrail is established in the fixed slot interpolation, the panel of extending is used for the bearing handrail.
3. The precast concrete stair board according to claim 2, wherein a connection rib is arranged between the handrail and the side connection plate, the connection rib is arranged in the side connection plate in a penetrating manner, two ends of the connection rib are exposed, and the exposed part is vertically connected with the handrail.
4. A precast concrete slab stair as claimed in claim 1, wherein the bottom end of the stair tread is provided with uprights of different lengths for supporting the stair tread.
5. The precast concrete stair slab of claim 1, wherein reinforcing ribs are arranged between the stair tread and the stair bottom plate, and the reinforcing ribs are used for reinforcing the structure of the stair slab.
6. The precast concrete stair of claim 1, wherein the upper connecting plate is provided with a suspension point, and the suspension point is connected with a suspension rod for suspending and reinforcing the upper connecting plate.
7. The precast concrete stair board according to claim 1, wherein a bottom beam is provided at the bottom of the lower connecting plate for reinforcing the lower connecting plate, and a top beam is provided at the bottom end of the upper connecting plate for reinforcing the upper connecting plate.
8. The precast concrete stair slab of claim 7, wherein concrete is poured inside the bottom beams for reinforcing the stability of the stair slab.
9. A precast concrete stair flight according to claim 1, wherein the opposite edges of the upper connecting plate to which the stair treads are connected are adapted to re-connect the stair treads to the stair base plate, or the adjacent edges of the upper connecting plate are adapted to engage the stair treads to the stair base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123039790.9U CN216552770U (en) | 2021-12-06 | 2021-12-06 | Precast concrete slab type stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123039790.9U CN216552770U (en) | 2021-12-06 | 2021-12-06 | Precast concrete slab type stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216552770U true CN216552770U (en) | 2022-05-17 |
Family
ID=81539134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123039790.9U Active CN216552770U (en) | 2021-12-06 | 2021-12-06 | Precast concrete slab type stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216552770U (en) |
-
2021
- 2021-12-06 CN CN202123039790.9U patent/CN216552770U/en active Active
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