CN211341482U - Stair structure - Google Patents
Stair structure Download PDFInfo
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- CN211341482U CN211341482U CN201921960729.8U CN201921960729U CN211341482U CN 211341482 U CN211341482 U CN 211341482U CN 201921960729 U CN201921960729 U CN 201921960729U CN 211341482 U CN211341482 U CN 211341482U
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- prefabricated
- roof beam
- terraced roof
- stair structure
- overlap joint
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Abstract
The utility model relates to a building technical field discloses a stair structure, it includes the stair body and is used for the last overlap joint platform and the lower overlap joint platform with the wall connection of building, the stair body is including the prefabricated terraced roof beam that the slope set up and connect a plurality of riser sections on prefabricated terraced roof beam, the upper end and the last overlap joint platform of prefabricated terraced roof beam are connected, the lower extreme and the lower overlap joint platform of prefabricated terraced roof beam are connected, the step form is personally submitted to the outward appearance of prefabricated terraced roof beam, be equipped with a plurality of and the surface assorted step of prefabricated terraced roof beam in the riser section, each riser section connects gradually in the surface of prefabricated terraced roof beam. The utility model discloses a prefabricated ladder roof beam dead weight is light to transportation, hoist and mount and the construction installation of this stair structure are all comparatively convenient.
Description
Technical Field
The utility model relates to a building technical field especially relates to a stair structure.
Background
The prefabricated building meets the requirements of building industrialization and environmental protection, particularly the industrial policy of green building and building industrialization in China, and the demand on the prefabricated building is more and more large. Prefabricated staircases are widely used. The general component material quantity of current prefabricated staircase is more, weight is great, and the preparation of component and cost of transportation all consequently increase, and component weight is too big still influences the tower crane lectotype in the engineering construction, arouses tower crane cost to increase, and these factors have restricted the popularization and application of prefabricated staircase in some projects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that exists among the prior art, provide one kind and can reduce the weight of single prefabricated stair, the stair structure of convenient transportation and installation.
In order to realize the above-mentioned purpose, the utility model provides a stair structure, include the stair body and be used for with the wall connection's of building last overlap joint platform and overlap joint platform down, the stair body is including the prefabricated terraced roof beam and the connection that the slope set up a plurality of riser sections on the prefabricated terraced roof beam, the upper end and the last overlap joint platform of prefabricated terraced roof beam are connected, the lower extreme and the lower overlap joint platform of prefabricated terraced roof beam are connected, the exterior of prefabricated terraced roof beam personally submits the step form, be equipped with in the riser section a plurality of with the surface assorted step of prefabricated terraced roof beam, each the riser section connect gradually in the surface of prefabricated terraced roof beam.
According to the preferable scheme, the upper end and the lower end of the ladder plate section are both provided with first connecting holes, a plurality of first connecting pieces are pre-buried on the prefabricated ladder beam, and the first connecting pieces penetrate through the first connecting holes so as to connect the ladder plate section and the prefabricated ladder beam.
Preferably, the first connecting piece is a bolt.
As a preferred scheme, the upper end of the prefabricated ladder beam is provided with an upper connecting part, the lower end of the prefabricated ladder beam is provided with a lower connecting part, the upper connecting part is connected with the upper lapping table, and the lower connecting part is connected with the lower lapping table.
Preferably, the upper and lower joining tables are provided with abutting grooves, the upper connecting portion is accommodated in the abutting groove of the upper joining table, and the lower connecting portion is accommodated in the abutting groove of the lower joining table.
As a preferred scheme, second connecting holes are formed in the upper connecting portion and the lower connecting portion, second connecting pieces are pre-buried in the upper lapping table and the lower lapping table, the second connecting pieces of the upper lapping table penetrate through the second connecting holes of the upper connecting portion to connect the upper lapping table and the upper connecting portion, and the second connecting pieces of the lower lapping table penetrate through the second connecting holes of the lower connecting portion to connect the lower lapping table and the lower connecting portion.
Preferably, the second connecting member includes a vertical portion and a bent portion connected to each other.
Preferably, cement mortar layers are arranged between the upper connecting portion and the upper lapping table and between the lower connecting portion and the lower lapping table.
Preferably, the prefabricated ladder beam is of a reinforced concrete structure.
The embodiment of the utility model provides a stair structure compares with prior art, and its beneficial effect lies in:
the utility model discloses stair structure, including the stair body and be used for with the wall connection's of building last overlap joint platform and overlap joint platform down, the stair body is including the prefabricated terraced roof beam that the slope set up and connect a plurality of riser sections on prefabricated terraced roof beam, the upper end and the last overlap joint platform of prefabricated terraced roof beam are connected, the lower extreme and the lower overlap joint platform of prefabricated terraced roof beam are connected, the step form is personally submitted to the outward appearance of prefabricated terraced roof beam, be equipped with a plurality of and the surface assorted step of prefabricated terraced roof beam in the riser section, each riser section connects gradually in the surface of prefabricated terraced roof beam. The utility model discloses a stair structure prepares prefabricated terraced roof beam earlier, and the upper end that will prefabricate terraced roof beam is connected with last overlap joint platform, and the back is connected well with lower overlap joint platform to the lower extreme, installs each halfpace section on the terraced roof beam again, and standardization degree is high, the production degree of difficulty is low, material saving when prefabricating terraced roof beam preparation, because of its dead weight is light, hoist and mount and transport comparatively convenient, and the construction installation is also convenient.
Drawings
Fig. 1 is a schematic overall structure diagram of a stair structure according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a stair structure according to an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 4 is an enlarged partial schematic view of portion B of FIG. 1;
fig. 5 is a partially enlarged schematic view of a portion C in fig. 1.
In the figure, 1, a stair body; 11. prefabricating a ladder beam; 111. an upper connecting portion; 112. a lower connecting portion; 12. a riser section; 2. an upper lapping table; 3. a lower lap joint table; 4. a first connection hole; 5. a first connecting member; 6. a second connection hole; 7. a second connecting member; 8. a cement mortar layer; 9. abutting against the groove.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "front", "back", and the like are used in the present invention as indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 and 2, the utility model discloses a stair structure of preferred embodiment, including stair body 1 and be used for with the wall connection's of building last overlap joint platform 2 and overlap joint platform 3 down, stair body 1 includes prefabricated terraced roof beam 11 that the slope set up and connects a plurality of terraced sections 12 on prefabricated terraced roof beam 11, the upper end and the last overlap joint platform 2 of prefabricated terraced roof beam 11 are connected, the lower extreme and the overlap joint platform 3 down of prefabricated terraced roof beam 11 are connected, the exterior surface of prefabricated terraced roof beam 11 is the step form, be equipped with a plurality of and prefabricated terraced roof beam 11's surface assorted step on the terraced section 12, each terraced section 12 connects gradually in the surface of prefabricated terraced roof beam 11.
Based on above-mentioned technical scheme, provide a stair structure in this embodiment, it only needs prefabricated terraced roof beam 11 earlier, with prefabricated terraced roof beam 11 with last overlap joint platform 2 and lap joint platform 3 assembly well back down, again with each terraced slab section 12 install on prefabricated terraced roof beam 11 can, this prefabricated terraced roof beam 11 standardization level is high, the production degree of difficulty is low, the dead weight is light to this prefabricated terraced roof beam 11's transportation, hoist and mount and construction installation are all comparatively convenient.
Preferably, as shown in fig. 1 and 4, in order to facilitate installation of each ladder board section 12, first connection holes 4 are formed in upper and lower ends of the ladder board section 12, a plurality of first connection members 5 are embedded in the prefabricated ladder beam 11, and the first connection members 5 pass through the first connection holes 4 to connect the ladder board sections 12 and the prefabricated ladder beam 11.
Preferably, the first connecting member 5 is a bolt, so that it is more convenient and faster to install.
Preferably, as shown in fig. 3 to 5, in order to facilitate the connection of the prefabricated ladder beam 11 with the upper landing platform 2 and the lower landing platform 3, an upper connection portion 111 is provided at the upper end of the prefabricated ladder beam 11, a lower connection portion 112 is provided at the lower end of the prefabricated ladder beam 11, the upper connection portion 111 is connected to the upper landing platform 2, and the lower connection portion 112 is connected to the lower landing platform 3.
Preferably, for the convenience of accurate positioning and the reinforcing of connection when stair installation, all be provided with butt recess 9 on last overlap joint platform 2 and the lower overlap joint platform 3, upper connecting portion 111 holds in butt recess 9 of last overlap joint platform 2, and lower connecting portion 112 holds in butt recess 9 of lower overlap joint platform 3.
Preferably, in order to enhance the connection firmness, the upper connection portion 111 and the lower connection portion 112 are both provided with a second connection hole 6, the upper lapping table 2 and the lower lapping table 3 are both pre-embedded with a second connection member 7, the second connection member 7 of the upper lapping table 2 passes through the second connection hole 6 of the upper connection portion 111 to connect the upper lapping table 2 and the upper connection portion 111, and the second connection member 7 of the lower lapping table 3 passes through the second connection hole 6 of the lower connection portion 112 to connect the lower lapping table 3 and the lower connection portion 112.
Preferably, the second connecting piece 7 includes the vertical portion and the kink that link to each other, and vertical portion wears to establish in second connecting hole 6, plays the effect of connecting, and the kink plays the effect of anchor, is favorable to strengthening the steadiness of connecting.
Preferably, a cement mortar layer 8 is arranged between the upper connecting part 111 and the upper lapping table 2 and between the lower connecting part 112 and the lower lapping table 3, and the cement mortar layer 8 plays roles of bonding and leveling.
Preferably, the prefabricated ladder beam 11 is of a reinforced concrete structure, and the overall stress strength of the prefabricated ladder beam can be ensured.
To sum up, the embodiment of the utility model provides a stair structure, including stair body 1 and be used for with the wall connection's of building last overlap joint platform 2 and overlap joint platform 3 down, stair body 1 is including prefabricated terraced roof beam 11 that the slope set up and connect a plurality of riser sections 12 on prefabricated terraced roof beam 11, the upper end and the last overlap joint platform 2 of prefabricated terraced roof beam 11 are connected, the lower extreme and the overlap joint platform 3 are connected down of prefabricated terraced roof beam 11, the step form is personally submitted to the outward appearance of prefabricated terraced roof beam 11, be equipped with a plurality of and prefabricated terraced roof beam 11's surface assorted step on riser section 12, each riser section 12 connects gradually in the surface of prefabricated terraced roof beam 11. The prefabricated ladder beam 11 of this stair structure's standardization level is high, the production degree of difficulty is low, the dead weight is light to this stair structure's transportation, hoist and mount and construction installation are all comparatively convenient.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a stair structure, its characterized in that, includes the stair body and is used for with the wall connection's of building last overlap joint platform and lower overlap joint platform, the stair body is including the prefabricated terraced roof beam and the connection that the slope set up a plurality of riser sections on the prefabricated terraced roof beam, the upper end and the last overlap joint platform of prefabricated terraced roof beam are connected, the lower extreme and the lower overlap joint platform of prefabricated terraced roof beam are connected, the exterior surface of prefabricated terraced roof beam is personally submitted the step form, be equipped with on the riser section a plurality of with the surface assorted step of prefabricated terraced roof beam, each the riser section connect gradually in the surface of prefabricated terraced roof beam.
2. The stair structure of claim 1 wherein said flight sections have first connection holes formed in upper and lower ends thereof, and wherein said prefabricated ladder beam has a plurality of first connectors embedded therein, said first connectors extending through said first connection holes to connect said flight sections to said prefabricated ladder beam.
3. The stair structure of claim 2 wherein the first connector is a bolt.
4. The stair structure according to claim 1 wherein said prefabricated ladder beams are provided at their upper ends with upper connecting portions and at their lower ends with lower connecting portions, said upper connecting portions being connected to said upper landing and said lower connecting portions being connected to said lower landing.
5. The stair structure of claim 4 wherein the upper and lower landings each have an abutment recess, the upper connection portion being received in the abutment recess of the upper landing and the lower connection portion being received in the abutment recess of the lower landing.
6. The stair structure of claim 4, wherein the upper connecting portion and the lower connecting portion are both provided with second connecting holes, and wherein the upper joining platform and the lower joining platform are both pre-embedded with second connecting members, the second connecting members of the upper joining platform pass through the second connecting holes of the upper connecting portion to connect the upper joining platform and the upper connecting portion, and the second connecting members of the lower joining platform pass through the second connecting holes of the lower connecting portion to connect the lower joining platform and the lower connecting portion.
7. The stair structure of claim 6 wherein the second connector comprises connected vertical and bent portions.
8. The stair structure of claim 4 wherein a layer of cement mortar is disposed between the upper connecting portion and the upper landing pad and between the lower connecting portion and the lower landing pad.
9. The stair structure of any one of claims 1 to 8 wherein the prefabricated ladder beams are reinforced concrete structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960729.8U CN211341482U (en) | 2019-11-13 | 2019-11-13 | Stair structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960729.8U CN211341482U (en) | 2019-11-13 | 2019-11-13 | Stair structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211341482U true CN211341482U (en) | 2020-08-25 |
Family
ID=72090059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921960729.8U Active CN211341482U (en) | 2019-11-13 | 2019-11-13 | Stair structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211341482U (en) |
-
2019
- 2019-11-13 CN CN201921960729.8U patent/CN211341482U/en active Active
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