CN217379565U - Modular assembly type prefabricated staircase - Google Patents
Modular assembly type prefabricated staircase Download PDFInfo
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- CN217379565U CN217379565U CN202123072208.9U CN202123072208U CN217379565U CN 217379565 U CN217379565 U CN 217379565U CN 202123072208 U CN202123072208 U CN 202123072208U CN 217379565 U CN217379565 U CN 217379565U
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Abstract
The utility model relates to a modular assembly type prefabricated staircase, which comprises a tread and a stress supporting structure positioned below the tread, wherein the stress supporting structure comprises two groups of Z-shaped supporting beams which are positioned below the tread and respectively support two side edges of the tread; a cover plate covering the lower surface of the tread is arranged between the two groups of Z-shaped supporting beams. Adopt a supporting beam as the support part of tread, effectively reduced the thickness of tread middle part, satisfying under the prerequisite of safety in utilization, effectively reduced the whole weight of prefabricated stair, reduced construction and material cost, improved economic benefits.
Description
Technical Field
The utility model relates to an assembly type structure technical field especially relates to prefabricated stair of modularization assembled.
Background
At present, the prefabricated stairway is widely applied to prefabricated buildings, belongs to a preferred prefabricated component type in the prefabricated buildings, and is particularly suitable for prefabrication in high-rise residential buildings. However, the prefabricated concrete stairs in the prior art have the following defects: the stair is heavy, and the weight of each prefabricated stair is basically more than two tons, so that the lifting capacity of a tower crane required by site hoisting construction is high, and the construction cost is increased; the main stress part of the prefabricated staircase is a stair section plate, the step structure only plays a role in supporting walking, and the solid step structure causes great waste to concrete.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide modularization assembled prefabricated staircase.
The utility model is realized by the following technical scheme, the modularized assembly type prefabricated staircase is provided, and comprises a tread and a stress supporting structure positioned below the tread, wherein the stress supporting structure comprises two groups of Z-shaped supporting beams which are positioned below the tread and respectively support two side edges of the tread; a cover plate covering the lower surface of the tread is arranged between the two groups of Z-shaped supporting beams.
Preferably, the two groups of Z-shaped supporting beams and the tread are cast in situ and integrally formed through a mould.
Preferably, the tread comprises a step part, the upper end of the step part is connected with an upper stair platform, and the lower end of the step part is connected with a lower stair platform; a steel bar framework is pre-embedded in the tread, and the steel bar framework is formed by welding a first framework supporting part pre-embedded in the step part, a second framework supporting part pre-embedded in the upper stair platform and a third framework supporting part pre-embedded in the lower stair platform.
Preferably, each group of Z-shaped support beams comprises an upper horizontal support part, an oblique support part and a lower horizontal support part, wherein the upper end of the oblique support part is connected with the upper horizontal support part, and the lower end of the oblique support part is connected with the lower horizontal support part; the upper horizontal supporting part supports the upper stair platform, the oblique supporting part supports the step part, and the lower horizontal supporting part supports the lower stair platform; an outrigger framework is pre-embedded in each group of Z-shaped supporting beams, and the outrigger framework is formed by welding a first framework bearing part pre-embedded in an oblique supporting part, a second framework bearing part pre-embedded in an upper horizontal supporting part and a third framework bearing part pre-embedded in a lower horizontal supporting part; first skeleton bears part and first skeleton support part welded fastening, and second skeleton bears part and second skeleton support part welded fastening, and the third skeleton bears part and third skeleton support part welded fastening.
Preferably, exposed steel bar connectors are arranged on the two groups of Z-shaped supporting beams, exposed steel bar connectors are arranged on the cover plate, and the steel bar connectors on the Z-shaped supporting beams and the steel bar connectors on the cover plate are welded and fixed.
Preferably, the two groups of Z-shaped support beams and the cover plate are cast in situ and integrally formed through a mould.
Preferably, the tread comprises a step part, an upper stair platform is arranged at the upper end of the step part, a lower stair platform is arranged at the lower end of the step part, and the step part, the upper stair platform and the lower stair platform are all prefabricated and molded independently; each group of Z-shaped supporting beams comprises an upper horizontal supporting part, an oblique supporting part and a lower horizontal supporting part, wherein the upper end of the oblique supporting part is connected with the upper horizontal supporting part, and the lower end of the oblique supporting part is connected with the lower horizontal supporting part; the upper horizontal supporting part supports the upper stair platform, the oblique supporting part supports the step part, and the lower horizontal supporting part supports the lower stair platform; an outrigger framework is pre-embedded in each group of Z-shaped supporting beams, and the outrigger framework is formed by welding a first framework bearing part pre-embedded in an oblique supporting part, a second framework bearing part pre-embedded in an upper horizontal supporting part and a third framework bearing part pre-embedded in a lower horizontal supporting part; a reinforcing rib net is arranged inside the cover plate; and the cantilever beam framework and the reinforcing rib net are welded and fixed.
Preferably, limiting steel bars are embedded in the upper horizontal supporting portion, the oblique supporting portion and the lower horizontal supporting portion of each group of Z-shaped supporting beams, through holes for the limiting steel bars to penetrate through are formed in the step portion, the upper stair platform and the lower stair platform, and the limiting steel bars penetrate through the through holes and are fixed through concrete pouring.
Preferably, the two groups of Z-shaped supporting beams are steel beams, the cover plate is a metal plate, and the two groups of Z-shaped supporting beams and the cover plate are fixed in a welding mode.
Preferably, the tread comprises a step part, an upper stair platform is arranged at the upper end of the step part, a lower stair platform is arranged at the lower end of the step part, and the step part, the upper stair platform and the lower stair platform are all prefabricated and molded independently; each group of Z-shaped supporting beams comprises an upper horizontal supporting part, an oblique supporting part and a lower horizontal supporting part, wherein the upper end of the oblique supporting part is connected with the upper horizontal supporting part, and the lower end of the oblique supporting part is connected with the lower horizontal supporting part; the upper horizontal supporting part supports the upper stair platform, the oblique supporting part supports the step part, and the lower horizontal supporting part supports the lower stair platform; the upper horizontal supporting part, the oblique supporting part and the lower horizontal supporting part of each group of Z-shaped supporting beams are all welded with limiting steel bars, through holes for the limiting steel bars to pass through are formed in the stepped parts, the upper stair platforms and the lower stair platforms, and the limiting steel bars are fixed through concrete pouring after passing through the through holes.
The utility model has the advantages that:
adopt a supporting beam as the support part of tread, effectively reduced the thickness of tread middle part, satisfying under the prerequisite of safety in utilization, effectively reduced the whole weight of prefabricated stair, reduced construction and material cost, improved economic benefits.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention;
fig. 2 is a schematic side view of embodiment 1 of the present invention;
fig. 3 is a schematic side view of embodiment 2 of the present invention;
fig. 4 is a schematic side view of embodiment 3 of the present invention;
shown in the figure:
1. the stair portion, 2, go up the stair platform, 3, stair platform, 4, second skeleton supporting part, 5, first skeleton supporting part, 6, third skeleton supporting part, 7, the upper horizontal supporting part, 8, diagonal bracing portion, 9, lower horizontal supporting part, 10, third skeleton bearing part, 11, first skeleton bearing part, 12, second skeleton bearing part, 13, apron, 14, spacing reinforcing bar, 15, through-hole.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Example 1:
as shown in fig. 1 and 2, the modular assembly type prefabricated staircase comprises a tread and a stress supporting structure positioned below the tread, wherein the stress supporting structure comprises two groups of Z-shaped supporting beams, the two groups of Z-shaped supporting beams are positioned below the tread and respectively support two side edges of the tread, the two groups of Z-shaped supporting beams and the tread are integrally molded through a mould in a cast-in-place mode, and a cover plate 13 covering the lower surface of the tread is arranged between the two groups of Z-shaped supporting beams.
The tread comprises a step part 1, the upper end of the step part 1 is connected with an upper stair platform 2, and the lower end of the step part 1 is connected with a lower stair platform 3; the steel bar framework is embedded in the tread, and the steel bar framework is formed by welding a first framework supporting part 5, a second framework supporting part 4 and a third framework supporting part 6, wherein the first framework supporting part 5, the second framework supporting part 4 and the third framework supporting part are respectively embedded in the step part 1, the second framework supporting part 4 and the third framework supporting part 6 are embedded in the lower stair platform 3.
Each group of Z-shaped supporting beams comprises an upper horizontal supporting part 7, an oblique supporting part 8 and a lower horizontal supporting part 9, wherein the upper end of the oblique supporting part 8 is connected with the upper horizontal supporting part 7, and the lower end of the oblique supporting part 8 is connected with the lower horizontal supporting part 9; the upper horizontal support part 7 supports the upper stair platform 2, the oblique support part 8 supports the step part 1, and the lower horizontal support part 9 supports the lower stair platform 3; an outrigger framework is pre-embedded in each group of Z-shaped supporting beams, and the outrigger framework is formed by welding a first framework bearing part 11 pre-embedded in the oblique supporting part 8, a second framework bearing part 12 pre-embedded in the upper horizontal supporting part 7 and a third framework bearing part 10 pre-embedded in the lower horizontal supporting part 9; first skeleton bears part 11 and first skeleton support part 5 welded fastening, and second skeleton bears part 12 and second skeleton support part 4 welded fastening, and third skeleton bears part 10 and third skeleton support part 6 welded fastening.
Exposed steel bar connectors are arranged on the two groups of Z-shaped supporting beams, exposed steel bar connectors are arranged on the cover plate 13, and the steel bar connectors on the Z-shaped supporting beams and the steel bar connectors on the cover plate 13 are welded and fixed.
Example 2:
as shown in fig. 3, the modular assembly type prefabricated staircase comprises a tread and a stress supporting structure located below the tread, wherein the stress supporting structure comprises two groups of Z-shaped supporting beams, the two groups of Z-shaped supporting beams are located below the tread and respectively support two side edges of the tread, a cover plate 13 covering the lower surface of the tread is arranged between the two groups of Z-shaped supporting beams, and the two groups of Z-shaped supporting beams and the cover plate 13 are integrally formed through mold cast-in-place.
The tread comprises a step part 1, an upper stair platform 2 is arranged at the upper end of the step part 1, a lower stair platform 3 is arranged at the lower end of the step part 1, and the step part 1, the upper stair platform 2 and the lower stair platform 3 are all prefabricated and molded independently; each group of Z-shaped supporting beams comprises an upper horizontal supporting part 7, an oblique supporting part 8 and a lower horizontal supporting part 9, wherein the upper end of the oblique supporting part 8 is connected with the upper horizontal supporting part 7, and the lower end of the oblique supporting part 8 is connected with the lower horizontal supporting part 9; the upper horizontal support part 7 supports the upper stair platform 2, the oblique support part 8 supports the step part 1, and the lower horizontal support part 9 supports the lower stair platform 3; an outrigger framework is pre-embedded in each group of Z-shaped supporting beams, and the outrigger framework is formed by welding a first framework bearing part 11 pre-embedded in the oblique supporting part 8, a second framework bearing part 12 pre-embedded in the upper horizontal supporting part 7 and a third framework bearing part 10 pre-embedded in the lower horizontal supporting part 9; a reinforcing rib net is arranged inside the cover plate 13; and the cantilever beam framework and the reinforcing rib net are welded and fixed.
The upper horizontal support part 7, the oblique support part 8 and the lower horizontal support part 9 of each group of Z-shaped support beams are all embedded with limiting steel bars 14, through holes 15 for the limiting steel bars 14 to pass are formed in the step parts 1, the upper stair platforms 2 and the lower stair platforms 3, and the limiting steel bars 14 are fixed through concrete pouring after passing through the through holes 15.
Example 3:
as shown in fig. 4, the modular assembly type prefabricated staircase comprises a tread and a stress support structure located below the tread, wherein the stress support structure comprises two groups of Z-shaped support beams, the two groups of Z-shaped support beams are located below the tread and respectively support two side edges of the tread, a cover plate 13 covering the lower surface of the tread is arranged between the two groups of Z-shaped support beams, the two groups of Z-shaped support beams are steel beams, the cover plate 13 is a metal plate, and the two groups of Z-shaped support beams and the cover plate 13 are welded and fixed.
The tread comprises a step portion 1, an upper stair platform 2 is arranged at the upper end of the step portion 1, a lower stair platform 3 is arranged at the lower end of the step portion 1, and the step portion 1, the upper stair platform 2 and the lower stair platform 3 are all prefabricated and molded independently.
Each group of Z-shaped supporting beams comprises an upper horizontal supporting part 7, an oblique supporting part 8 and a lower horizontal supporting part 9, wherein the upper end of the oblique supporting part 8 is connected with the upper horizontal supporting part 7, and the lower end of the oblique supporting part 8 is connected with the lower horizontal supporting part 9; the upper horizontal support 7 supports the upper landing 2, the diagonal support 8 supports the step portion 1, and the lower horizontal support 9 supports the lower landing 3.
The upper horizontal supporting part 7, the oblique supporting part 8 and the lower horizontal supporting part 9 of each group of Z-shaped supporting beams are all welded with limiting steel bars 14, through holes 15 for the limiting steel bars 14 to pass through are formed in the step parts 1, the upper stair platforms 2 and the lower stair platforms 3, and the limiting steel bars 14 are fixed through concrete pouring after passing through the through holes 15.
The supporting beam is used as the supporting part of the tread, the thickness of the middle part of the tread is effectively reduced, the whole weight of the prefabricated staircase is effectively reduced on the premise of meeting the use safety, the construction and material cost is reduced, and the economic benefit is improved.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (2)
1. Modularization assembled prefabricated staircase, its characterized in that: the stress support structure comprises two groups of Z-shaped support beams, wherein the two groups of Z-shaped support beams are positioned below the tread and respectively support two side edges of the tread; a cover plate for covering the lower surface of the tread is arranged between the two groups of Z-shaped supporting beams; the two groups of Z-shaped supporting beams and the tread are cast in situ and integrally formed through a mould; the tread comprises a step part, the upper end of the step part is connected with an upper stair platform, and the lower end of the step part is connected with a lower stair platform; embedding a steel bar framework in the tread, wherein the steel bar framework is formed by welding a first framework supporting part, a second framework supporting part and a third framework supporting part, the first framework supporting part, the second framework supporting part and the third framework supporting part are respectively embedded in the step part, the second framework supporting part and the third framework supporting part are embedded in the upper stair platform; each group of Z-shaped supporting beams comprises an upper horizontal supporting part, an oblique supporting part and a lower horizontal supporting part, wherein the upper end of the oblique supporting part is connected with the upper horizontal supporting part, and the lower end of the oblique supporting part is connected with the lower horizontal supporting part; the upper horizontal supporting part supports the upper stair platform, the oblique supporting part supports the step part, and the lower horizontal supporting part supports the lower stair platform; an outrigger framework is pre-embedded in each group of Z-shaped supporting beams and is formed by welding a first framework bearing part pre-embedded in an oblique supporting part, a second framework bearing part pre-embedded in an upper horizontal supporting part and a third framework bearing part pre-embedded in a lower horizontal supporting part; the first framework bearing part and the first framework supporting part are welded and fixed, the second framework bearing part and the second framework supporting part are welded and fixed, and the third framework bearing part and the third framework supporting part are welded and fixed.
2. The modular fabricated prefabricated staircase of claim 1, wherein: exposed steel bar connectors are arranged on the two groups of Z-shaped supporting beams, exposed steel bar connectors are arranged on the cover plate, and the steel bar connectors on the Z-shaped supporting beams and the steel bar connectors on the cover plate are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072208.9U CN217379565U (en) | 2021-12-09 | 2021-12-09 | Modular assembly type prefabricated staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072208.9U CN217379565U (en) | 2021-12-09 | 2021-12-09 | Modular assembly type prefabricated staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217379565U true CN217379565U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123072208.9U Active CN217379565U (en) | 2021-12-09 | 2021-12-09 | Modular assembly type prefabricated staircase |
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| Country | Link |
|---|---|
| CN (1) | CN217379565U (en) |
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2021
- 2021-12-09 CN CN202123072208.9U patent/CN217379565U/en active Active
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