CN207942543U - A kind of prefabricated core model of narrow plate-girder in inner space - Google Patents
A kind of prefabricated core model of narrow plate-girder in inner space Download PDFInfo
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- CN207942543U CN207942543U CN201820011230.1U CN201820011230U CN207942543U CN 207942543 U CN207942543 U CN 207942543U CN 201820011230 U CN201820011230 U CN 201820011230U CN 207942543 U CN207942543 U CN 207942543U
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- steel tube
- tube main
- bar support
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Abstract
The utility model is related to the realm of building construction, the prefabricated core model of specially a kind of narrow plate-girder in inner space.Including rectangular steel tube main body, internal reinforced bar support skeleton and steel wire rope, internal reinforced bar support skeleton is connected to the inside of rectangular steel tube main body, apart from 0.2 ~ 0.3m of port, internal reinforced bar support skeleton is welded to each other by three reinforcing bars and is formed, wherein two bar connectings constitute right-angled intersection, the middle spot welding in crosspoint and another reinforcing bar, the endpoint of all reinforcing bars is welded in the inner wall of rectangular steel tube main body, is connected by the steel wire rope being coiled on internal reinforced bar support skeleton between two internal reinforced bar support skeletons.The utility model both avoided conventional balloon core model easily float, flimsy disadvantage, ensure that beam slab top plate wall thickness, while material is simple, it is easy for construction, greatly improve construction efficiency.
Description
Technical field
The utility model is related to the realm of building construction, the prefabricated core model of specially a kind of narrow plate-girder in inner space.
Background technology
During small bore hollow slab girder prefabricated construction, how to handle central hollow position, ensure hollow shape, position and
Surrounding thickness of protection tier, especially top plate thickness meet the requirements for a big difficulty of such construction.It is applied according to previous correlation
Work experience, similar engineering construction mostly uses gasbag-type rubber mandrel, but due to the material character of air bag core model, leads to its ten partial volume
It easily floats, and can not ensure core model shape, cause hollow slab girder upper plate concrete shallow, thickness of protection tier is difficult to reach and want
It asks, seriously affects construction quality.
Utility model content
In order to solve the above problem, the utility model provides that a kind of operation is simple, can improve construction efficiency and construction quality
The small prefabricated core model of hollow slab girder.
The utility model technical solution used for the above purpose is：A kind of pre- coremaking of narrow plate-girder in inner space
Mould, it is characterised in that：Connect including rectangular steel tube main body, internal reinforced bar support skeleton and steel wire rope, internal reinforced bar support skeleton
It is connected to the inside of rectangular steel tube main body, apart from 0.2 ~ 0.3m of port, internal reinforced bar support skeleton is welded to each other group by three reinforcing bars
At wherein two bar connectings constitute right-angled intersection, the middle spot welding in crosspoint and another reinforcing bar, the endpoint weldering of all reinforcing bars
The inner wall of rectangular steel tube main body is connected to, by being coiled on internal reinforced bar support skeleton between two internal reinforced bar support skeletons
Steel wire rope connects.
The steel wire rope can be used hoist engine and disposably extract out.
The tip inside of the rectangular steel tube main body is respectively provided with the aperture that tool easy to use is ticked, and bore dia is 1 ~
1.5cm。
The outside of the rectangular steel tube main body uses plastic packing belt banding fixed.
The rectangular steel tube body exterior uniformly wraps up plastic film.
The utility model proposes small hollow board prefabrication core model, be according to on-site actual situations, in advance by rectangular steel tube cut
Corresponding length is taken, core model is assembled into according to plate-girder hollow shape, aperture is set in every steel tube end part, work is utilized when facilitating form removal
Tool takes out；Setting framework of steel reinforcement is shored inside core model, fixed core model shape, while increasing rigidity, shore by steel wire disk around
Connection, can be used hoist engine and disposably extracts out.After core model assembly, fastened using plastic packing belt in outside, it is assembled good
Plastic cloth uniformly is wrapped outside core model, prevents concrete from being flowed by gap between steel pipe, causes steel pipe to be difficult to take out, and influence beam
Plate quality.The utility model is easy to make as small hollow board prefabrication core model, easy to operate, be ensure that construction quality, is dropped significantly
Low construction cost.
Description of the drawings
Fig. 1 is the structural schematic diagram front view of the utility model；
Fig. 2 is the structural schematic diagram vertical view of the utility model；
Fig. 3 is the structural schematic diagram side view of the utility model；
In figure：1- rectangular steel tube main bodys, reinforced bar support skeleton inside 2-, the steel wire rope connected between 3- skeletons.
Specific implementation mode
Embodiment 1
As shown in Figure 1 to Figure 3, the prefabricated core model of the narrow plate-girder in a kind of inner space, including rectangular steel tube main body 1, internal steel
Muscle support frame 2 and steel wire rope 3, internal reinforced bar support skeleton 2 is connected to the inside of rectangular steel tube main body 1, apart from port
0.2m, internal reinforced bar support skeleton 2 are welded to each other by three reinforcing bars and are formed, wherein two bar connectings constitute right-angled intersection, are handed over
The middle spot welding of crunode and another reinforcing bar, the endpoint of all reinforcing bars are welded in the inner wall of rectangular steel tube main body 1, two internal steel
It is connected by the steel wire rope 3 being coiled on internal reinforced bar support skeleton 2 between muscle support frame 2, volume can be used in the steel wire rope 3
It raises machine disposably to extract out, the tip inside of the rectangular steel tube main body 1 is respectively provided with the aperture that tool easy to use is ticked, bore dia
For 1cm.The outside of the rectangular steel tube main body 1 uses plastic packing belt banding fixed.1 outside of the rectangular steel tube main body is uniformly
Wrap up plastic film.
The utility model proposes small hollow board prefabrication core model, be according to on-site actual situations, in advance by rectangular steel tube cut
Corresponding length is taken, core model is assembled into according to plate-girder hollow shape, aperture is set in every steel tube end part, work is utilized when facilitating form removal
Tool takes out；Setting framework of steel reinforcement is shored inside core model, fixed core model shape, while increasing rigidity, shore by steel wire disk around
Connection, can be used hoist engine and disposably extracts out.After core model assembly, fastened using plastic packing belt in outside, it is assembled good
Plastic cloth uniformly is wrapped outside core model, prevents concrete from being flowed by gap between steel pipe, causes steel pipe to be difficult to take out, and influence beam
Plate quality.The utility model is easy to make as small hollow board prefabrication core model, easy to operate, be ensure that construction quality, is dropped significantly
Low construction cost.
Embodiment 2
The Each part and connection relation of the prefabricated core model of the narrow plate-girder in a kind of inner space described in the present embodiment are equal
In the same manner as in Example 1, different technical parameters are：Internal reinforced bar support skeleton 2 is apart from 1 port 0.25m of rectangular steel tube main body；
The end orifices aperture of rectangular steel tube main body 1 is 1.25cm.
Embodiment 3
The Each part and connection relation of the prefabricated core model of the narrow plate-girder in a kind of inner space described in the present embodiment are equal
In the same manner as in Example 1, different technical parameters are：Internal reinforced bar support skeleton 2 is apart from 1 port 0.3m of rectangular steel tube main body；
The end orifices aperture of rectangular steel tube main body 1 is 1.5cm.
Claims (5)
1. a kind of prefabricated core model of narrow plate-girder in inner space, it is characterised in that：Including rectangular steel tube main body（1）, internal reinforcement bar support
Support bone frame（2）And steel wire rope（3）, internal reinforced bar support skeleton（2）It is connected to rectangular steel tube main body（1）Inside, apart from end
0.2 ~ 0.3m of mouth, internal reinforced bar support skeleton（2）It is welded to each other and is formed by three reinforcing bars, wherein two bar connectings constitute cross
Intersect, the endpoint of the middle spot welding in crosspoint and another reinforcing bar, all reinforcing bars is welded in rectangular steel tube main body（1）Inner wall,
Two internal reinforced bar support skeletons（2）Between by being coiled in internal reinforced bar support skeleton（2）On steel wire rope（3）Connection.
2. a kind of prefabricated core model of the narrow plate-girder in inner space according to claim 1, it is characterised in that：The steel wire rope
（3）Hoist engine can be used disposably to extract out.
3. a kind of prefabricated core model of the narrow plate-girder in inner space according to claim 1, it is characterised in that：The rectangular steel tube
Main body（1）Tip inside be respectively provided with the aperture that tool easy to use is ticked, bore dia is 1 ~ 1.5cm.
4. a kind of prefabricated core model of the narrow plate-girder in inner space according to claim 1, it is characterised in that：The rectangular steel tube
Main body（1）Outside use plastic packing belt banding fixed.
5. a kind of prefabricated core model of the narrow plate-girder in inner space according to claim 1, it is characterised in that：The rectangular steel tube
Main body（1）External uniformly package plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820011230.1U CN207942543U (en) | 2018-01-04 | 2018-01-04 | A kind of prefabricated core model of narrow plate-girder in inner space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820011230.1U CN207942543U (en) | 2018-01-04 | 2018-01-04 | A kind of prefabricated core model of narrow plate-girder in inner space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207942543U true CN207942543U (en) | 2018-10-09 |
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ID=63701450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820011230.1U Active CN207942543U (en) | 2018-01-04 | 2018-01-04 | A kind of prefabricated core model of narrow plate-girder in inner space |
Country Status (1)
| Country | Link |
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| CN (1) | CN207942543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049018A (en) * | 2020-09-10 | 2020-12-08 | 中铁十四局集团第四工程有限公司 | Folding core mould of hollow slab beam for highway construction |
-
2018
- 2018-01-04 CN CN201820011230.1U patent/CN207942543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049018A (en) * | 2020-09-10 | 2020-12-08 | 中铁十四局集团第四工程有限公司 | Folding core mould of hollow slab beam for highway construction |
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