CN210032405U - Light prefabricated stair tread - Google Patents
Light prefabricated stair tread Download PDFInfo
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- CN210032405U CN210032405U CN201920514684.5U CN201920514684U CN210032405U CN 210032405 U CN210032405 U CN 210032405U CN 201920514684 U CN201920514684 U CN 201920514684U CN 210032405 U CN210032405 U CN 210032405U
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- channel steel
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- rectangular beam
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Abstract
The utility model discloses a light prefabricated stair tread, including cement marking time, underframe, the underframe includes channel steel beam, rectangular beam, the rectangular beam is made for the section rectangular shaped steel for the section, the both sides welded fastening channel steel beam of rectangular beam, the channel steel beam is made for the channel-section steel, the channel steel beam symmetric arrangement is in the both sides of rectangular beam, the thickness of rectangular beam and channel steel beam is unanimous and the upper surface is parallel and level, the rectangular beam is equipped with the cement marking time of pouring above channel steel beam with the channel steel beam, the cement marking time is that cement concrete placement forms; the upper end parallel and level of girder steel in a trough and rectangular beam, the lower extreme parallel and level of girder steel in a trough and rectangular beam and welding have the shock attenuation roof beam. The utility model discloses the application section bar structure replaces wire rod concrete structure, alleviates structural weight, improves structural strength, improves the preparation efficiency of structure.
Description
Technical Field
The utility model relates to a prefabricated stair tread technical field, concretely relates to prefabricated stair tread of light.
Background
The prefabricated staircase is adopted to construct the fabricated building, so that the factory and mechanical construction degree can be improved, the field wet operation is reduced, the field labor is saved, the seasonal influence is overcome, and the building construction period is shortened. Therefore more and more buildings adopt prefabricated stairs, and the prefabricated stair plates play an important bearing role for the step parts of the prefabricated stairs. The existing prefabricated stair boards are generally formed by pouring cement concrete and reinforcing steel bars, and are heavy, inconvenient to transport, transport and install and low in transportation and installation efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned not enough, provide a prefabricated stair tread of light.
In order to achieve the above object, the technical solution of the present invention is: a light prefabricated stair board comprises cement steps and a bottom frame, wherein the bottom frame comprises a channel steel beam and a rectangular beam, the section of the rectangular beam is made of rectangular section steel, the two sides of the rectangular beam are fixedly welded with the channel steel beam, the channel steel beam is made of channel steel, the channel steel beam is symmetrically arranged on the two sides of the rectangular beam, the rectangular beam and the channel steel beam are consistent in thickness and are flush with each other on the upper surface, poured cement steps are arranged above the rectangular beam and the channel steel beam, the cement steps are formed by cement concrete pouring, a plurality of triangular steps are arranged on the cement steps, and gridding cloth is arranged in the inner part, close to the upper surface, of each cement step; the upper end parallel and level of girder steel and rectangular beam in the groove, the lower extreme parallel and level of girder steel and rectangular beam in the groove has the shock attenuation roof beam in the welding, the shock attenuation roof beam is made for rectangle shaped steel, the section bar axis and the girder steel in the groove and rectangular beam of shock attenuation roof beam are perpendicular.
Furthermore, the middle of the triangular cement mark time is provided with a circular through hole.
Furthermore, hoisting rings are arranged on two sides of the channel steel beam.
Furthermore, the side walls of the upper ends of the channel steel beam and the rectangular beam are provided with a plurality of connecting holes perpendicular to the axis of the rectangular beam.
The utility model is manufactured by welding rectangular section bar, channel steel and steel plate to manufacture the bottom frame, then erecting the template, pouring cement concrete to form cement steps, laying grid cloth on the upper surface of the triangular steps, continuously pouring concrete, and putting round steel to manufacture lightening round through holes during pouring; the bottom frame is then laid on the level of the bottom of the cement tread.
The utility model has the advantages that:
1, a profile structure is used for replacing a wire concrete structure, so that the weight of the structure is reduced, the structural strength is improved, and the manufacturing efficiency of the structure is improved;
2, the section bar has no slot, no uncontrollable unsafe treatment such as welding and the like in the process of manufacturing the bearing beam, thereby improving the stability of the structure;
3, the lower end of the stair is provided with a transverse shock absorption beam made of rectangular section bars, and the transverse shock absorption beam can be used as a sliding anti-seismic support, so that the shock absorption effect of stair plates is improved;
4, the two circular evacuation through holes of the step reduce the dead weight, so that the stair plates are convenient to install;
5, the grid cloth is used for replacing a reinforcing mesh for the ladder plate, so that the consumption of reinforcing steel bars is reduced, and the energy is saved and the environment is protected;
6, hoisting rings capable of hoisting are arranged on two sides, so that the transfer and installation are convenient;
7, the connecting hole is left to stair upper end section bar, inserts the reinforcing bar before pouring, can let section bar and concrete better fuse.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic cross-sectional view taken along line A-A in FIG. 1.
Fig. 3 is a partial schematic view of the area B in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
As shown in fig. 1, 2 and 3, the lightweight prefabricated stair plate comprises a cement step 1 and a bottom frame 2, wherein the bottom frame 2 comprises channel steel beams 21 and rectangular beams 22, the sections of the rectangular beams 22 are made of rectangular section steel, the two sides of each rectangular beam 22 are fixedly welded with the corresponding channel steel beam 21, the channel steel beams 21 are made of channel steel, the channel steel beams 21 are symmetrically arranged on the two sides of the corresponding rectangular beam 22, the rectangular beams 22 and the channel steel beams 21 are consistent in thickness and flush in upper surfaces, a poured cement step 1 is arranged above the rectangular beams 22 and the channel steel beams 21, the cement step 1 is formed by pouring cement concrete, a plurality of triangular steps are arranged on the cement step 1, and a grid cloth 11 is arranged inside the cement step 1 close to the upper surface side; the upper end parallel and level of girder steel 21 and rectangular beam 22 in the trough, the lower extreme parallel and level of girder steel 21 and rectangular beam 22 in the trough has shock attenuation roof beam 23 in the welding, shock attenuation roof beam 23 is made for rectangular steel, the section bar axis and girder steel 21 and rectangular beam 22 of shock attenuation roof beam 23 are perpendicular.
Furthermore, the triangular tread middle part of the cement tread 1 is provided with a circular through hole 12.
Furthermore, hoisting rings 24 are arranged on two sides of the channel steel beam 21.
Further, the side walls of the upper ends of the channel steel beam 21 and the rectangular beam 22 are provided with a plurality of connecting holes 211 perpendicular to the axis of the rectangular beam 22.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (4)
1. The utility model provides a prefabricated stair tread of light which characterized in that: the concrete floor comprises cement steps and a bottom frame, wherein the bottom frame comprises a channel steel beam and a rectangular beam, the section of the rectangular beam is made of rectangular section steel, the two sides of the rectangular beam are fixedly welded with the channel steel beams, the channel steel beams are made of channel steel, the channel steel beams are symmetrically arranged on the two sides of the rectangular beam, the thicknesses of the rectangular beam and the channel steel beams are consistent, the upper surfaces of the rectangular beam and the channel steel beams are flush, the cement steps formed by cement concrete pouring are arranged above the rectangular beam and the channel steel beams, a plurality of triangular steps are arranged on the cement steps, and grid cloth is arranged inside the cement steps close to the upper surface side; the upper end parallel and level of girder steel and rectangular beam in the groove, the lower extreme parallel and level of girder steel and rectangular beam in the groove has the shock attenuation roof beam in the welding, the shock attenuation roof beam is made for rectangle shaped steel, the section bar axis and the girder steel in the groove and rectangular beam of shock attenuation roof beam are perpendicular.
2. A lightweight prefabricated staircase board as defined in claim 1, wherein: the middle of the triangular cement tread is provided with a circular through hole.
3. A lightweight prefabricated staircase board as defined in claim 1, wherein: and hoisting rings are arranged on two sides of the channel steel beam.
4. A lightweight prefabricated staircase board as defined in claim 1, wherein: and a plurality of connecting holes vertical to the axis of the rectangular beam are formed in the side walls of the upper ends of the channel steel beam and the rectangular beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920514684.5U CN210032405U (en) | 2019-04-16 | 2019-04-16 | Light prefabricated stair tread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920514684.5U CN210032405U (en) | 2019-04-16 | 2019-04-16 | Light prefabricated stair tread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210032405U true CN210032405U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920514684.5U Active CN210032405U (en) | 2019-04-16 | 2019-04-16 | Light prefabricated stair tread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210032405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305495A (en) * | 2020-03-15 | 2020-06-19 | 湖南城市学院 | Lightweight concrete combined stair |
-
2019
- 2019-04-16 CN CN201920514684.5U patent/CN210032405U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305495A (en) * | 2020-03-15 | 2020-06-19 | 湖南城市学院 | Lightweight concrete combined stair |
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