CN210685114U - Prefabricated hollow pipe device for hollow floor slab - Google Patents
Prefabricated hollow pipe device for hollow floor slab Download PDFInfo
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- CN210685114U CN210685114U CN201920836271.9U CN201920836271U CN210685114U CN 210685114 U CN210685114 U CN 210685114U CN 201920836271 U CN201920836271 U CN 201920836271U CN 210685114 U CN210685114 U CN 210685114U
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- hollow pipe
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Abstract
The utility model relates to a shaping part in hollow floor hole, especially a prefabricated hollow tube device for hollow floor. The prefabricated hollow pipe device for the hollow floor slab comprises a hollow pipe, wherein the hollow pipe is arranged in the longitudinal direction of the hollow floor slab, the hollow pipe is hollow, connecting grooves are formed in two sides of a pipe body, and adjacent hollow pipes are connected through a connecting device matched with the connecting grooves. The utility model has the advantages of as follows: 1. the space between the pipes of the prefabricated hollow pipe group can be controlled according to the design requirement. 2. After the connecting device is in groups, the hollow pipes can be prevented from deviating due to vibration of the vibrating rod when concrete is poured, and the distance between the adjacent hollow pipes is too large or too small. 3. The method is favorable for realizing the streamlined prefabrication operation and improving the production efficiency. 4. The hollow floor slab can be formed by one-step pouring without core pulling. 5. The anti-floating of the prefabricated hollow pipe group can be achieved by penetrating the steel bars through the holes in the lower portion of the pipe sleeve.
Description
Technical Field
The utility model relates to a shaping part in hollow floor hole, especially a prefabricated hollow tube device for hollow floor.
Background
The traditional hollow floor slab often has the quality defects of poor anti-seismic performance in an engineering structure and poor overall performance after assembly, which leads to obvious cracks between the slabs, and the like, thereby not only seriously affecting the use function, but also having potential safety hazard.
Although the existing bidirectional stressed hollow floor slab needs to be cored after concrete is poured, so that the hollow floor slab is formed, and the implementation difficulty of operation is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that exists among the prior art, provide one kind and can enough improve the anti-seismic performance of hollow floor, the prefabricated hollow tube device that is used for hollow floor who is convenient for to implement again.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the prefabricated hollow pipe device for the hollow floor slab comprises a hollow pipe, wherein the hollow pipe is arranged in the longitudinal direction of the hollow floor slab, the hollow pipe is hollow, connecting grooves are formed in two sides of a pipe body, and adjacent hollow pipes are connected through a connecting device matched with the connecting grooves.
Furthermore, the device also comprises a pipe sleeve arranged at the end part of the hollow pipe and used for blocking the openings at the two ends of the hollow pipe.
Preferably, the pipe sleeve comprises a pipe cover and a limiting piece; the pipe cover is sleeved at the end part of the hollow pipe, and the limiting piece is arranged at the lower part of the pipe cover and used for limiting the floating of the hollow pipe when concrete is poured.
Preferably, the limiting piece horizontally extends along the radial direction of the pipe cover, and is provided with a hole for the steel bar to pass through, and the axial direction of the hole is consistent with the axial direction of the hollow pipe.
Preferably, the holes are uniformly distributed on the limiting piece.
Preferably, the connecting groove is clamped with the connecting device.
Preferably, the cross section of each connecting groove is C-shaped, the cross section of each connecting device is H-shaped, and two end parts of each connecting device are clamped with the adjacent connecting grooves respectively.
Preferably, the connecting grooves are multiple and are oppositely arranged on two sides of the hollow pipe body.
Preferably, the material of the hollow tube is plastic and galvanized material.
Preferably, the cross-sectional shape of the hollow tube is circular, square or other profile.
The principle is as follows: the space position of the hidden beam is reserved at the transverse part of the hollow floor slab. Prefabricated hollow pipe groups are respectively placed on two sides of the hidden beam. After concrete is poured, a hidden beam structure is formed in the floor slab, so that the area of a concrete compression area of the transverse front section of the hollow floor slab is increased, the strength of the compression area is improved, and the transverse stress performance of the integral hollow floor slab is improved.
Compared with the prior art, the utility model, have following advantage:
1. a plurality of prefabricated hollow pipes can be assembled by connecting devices to form a prefabricated hollow pipe group, and the distance between every two pipes can be controlled according to design requirements.
2. After the connecting device is in groups, the hollow pipes can be prevented from deviating due to vibration of the vibrating rod when concrete is poured, and the distance between the adjacent hollow pipes is too large or too small.
3. When the hollow floor slab is prefabricated, the prefabricated hollow pipe group is integrally arranged in the die, so that the streamlined prefabrication operation is favorably realized, and the production efficiency is improved.
4. The hollow floor slab can be formed by one-step pouring without core pulling.
5. The anti-floating of the prefabricated hollow pipe group can be achieved by penetrating the steel bars through the holes in the lower portion of the pipe sleeve.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the assembly of the hollow tube and the sleeve of FIG. 1;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a cross-sectional view of the hollow tube;
FIG. 5 is a cross-sectional view of a pipe sleeve;
FIG. 6 is a schematic view of the connection device of FIG. 1;
FIG. 7 is a schematic diagram of the embodiment of the present invention used in a hollow floor slab;
in the figure, 01, a hollow tube group; 1. a hollow tube; 2. pipe sleeve; 3. a connecting device; 10. connecting grooves; 20. a tube cover; 21. a limiting member; 210. reserving a hole; 211. reinforcing steel bars; 100. and (4) constructing a hidden beam.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1-7: as shown in fig. 1-2, a prefabricated hollow pipe assembly for hollow floor slabs comprises a hollow pipe 1 and a pipe sleeve 2; the hollow pipe 1 is arranged in the longitudinal direction of the hollow floor slab, the hollow pipe is hollow, connecting grooves 10 are arranged on two sides of the pipe body, and the adjacent hollow pipes 1 are connected through connecting devices 3 matched with the connecting grooves; the device also comprises a pipe sleeve 2 arranged at the end part of the hollow pipe and used for plugging the openings at the two ends of the hollow pipe 1.
As shown in fig. 2 and 5, the pipe sleeve 2 includes a pipe cover 20 and a stopper 21; the pipe cover 20 is sleeved at the end part of the hollow pipe 1, and the limiting piece 21 is arranged at the lower part of the pipe cover 20 and used for limiting the floating of the hollow pipe when concrete is poured; the limiting member 21 extends horizontally along the radial direction of the pipe cover 20, and a plurality of prepared holes 210 for the reinforcing steel bars 211 to pass through are formed in the limiting member 21, the axial direction of the prepared holes 210 is consistent with the axial direction of the hollow pipe 1, and the prepared holes 210 are uniformly distributed on the limiting member 21.
As shown in fig. 1, 4 and 6, the cross section of the connecting groove 10 is C-shaped, the cross section of the connecting device 3 is H-shaped, two ends of the connecting device 3 are respectively clamped with the adjacent connecting grooves 10, and the connecting grooves 10 are a plurality of and are oppositely arranged at two sides of the tube body of the hollow tube 1.
The hollow tube is made of plastic or galvanized material.
The cross-sectional shape of the hollow tube is circular, square or other profile.
As another aspect of the embodiment of the present invention, the tube cover 20 and the limiting member 21 in the tube sleeve 2 may be integrally formed, that is, the tube sleeve is a whole, and the directions of the tube cover and the prepared hole are not limited to the same axial direction, but may be in the form of an included angle, for example, 90 °.
As another aspect of the embodiment of the present invention, the pipe cap 20 and the limiting member 21 in the pipe sleeve 2 can also be separately arranged, that is: the tube cap 20 is used for plugging the hollow tube 1, the limiting member 21 is fixed with the hollow tube by a ring member fixed with the hollow tube 1 or other means, and the preformed hole 210 on the limiting member 21 is coaxial with the hollow tube or exists in a certain angle.
As shown in fig. 7, a method for preparing a hollow floor slab includes the following steps:
1. manufacturing a hollow tube 1: the middle of the hollow tube is a hollow cavity; the two sides of the pipe body are respectively provided with a plurality of connecting grooves for connecting adjacent hollow pipes;
2. manufacturing a pipe sleeve 2: the pipe sleeve 2 is used as a cover at two ends of the prefabricated hollow pipe 1, and the lower limiting piece 21 is provided with a preformed hole 210 for penetrating a steel bar 211;
3. manufacturing the connecting device 3: the size of the connecting device 3 is matched with the connecting grooves 10 on the two sides of the tube body of the hollow tube 1;
4. assembling a hollow pipe 1 and a pipe sleeve 2: the two ends of the hollow pipe 1 are respectively sleeved into the pipe sleeves 2 to form a hollow closed part;
5. connecting the components by using a connecting device 3 according to the design requirement to form a hollow pipe group;
6. according to the design requirement, the hollow pipe group 01 is placed at a corresponding position, and then the reinforcing steel bars 211 penetrate through the preformed holes 210 on the pipe sleeve 2; and (4) pouring concrete, wherein the hollow pipe group does not float upwards due to the limitation of the steel bars, and finally forming the hollow floor slab.
In order to enhance the transverse stress performance of the hollow floor slab, the spatial position of the hidden beam is reserved at the transverse part of the hollow floor slab. Prefabricated hollow pipe groups are respectively placed on two sides of the hidden beam. After the concrete is poured, the hidden beam structure 100 is formed in the hollow floor slab, thereby increasing the lateral stress performance of the whole hollow floor slab.
The above embodiments are merely preferred embodiments of the present invention, and do not limit the present invention. Any extension, deformation and modification without departing from the spirit and principle of the present invention are within the protection scope of the present invention.
Claims (10)
1. A prefabricated hollow pipe device for hollow floor slabs is characterized in that: the hollow pipe is arranged in the longitudinal direction of a hollow floor slab, the hollow pipe is hollow, connecting grooves are formed in two sides of a pipe body, and adjacent hollow pipes are connected through connecting devices matched with the connecting grooves.
2. The prefabricated hollow pipe apparatus for hollow floor slab as claimed in claim 1, wherein: the pipe sleeve is arranged at the end part of the hollow pipe and is used for plugging the openings at the two ends of the hollow pipe.
3. The prefabricated hollow pipe apparatus for hollow floor slab as claimed in claim 2, wherein: the pipe sleeve comprises a pipe cover and a limiting piece; the pipe cover is sleeved at the end part of the hollow pipe, and the limiting piece is arranged at the lower part of the pipe cover and used for limiting the floating of the hollow pipe when concrete is poured.
4. A prefabricated hollow pipe apparatus for hollow floor slabs according to claim 3, wherein: the limiting piece horizontally extends along the radial direction of the pipe cover, a hole for the steel bar to pass through is formed in the limiting piece, and the axial direction of the hole is consistent with the axial direction of the hollow pipe.
5. The prefabricated hollow pipe apparatus for hollow floor slabs of claim 4, wherein: the holes are multiple and are evenly distributed on the limiting pieces.
6. A prefabricated hollow pipe apparatus for hollow floor slabs according to claim 1 or 2, wherein: the connecting groove is clamped with the connecting device.
7. The prefabricated hollow pipe apparatus for hollow floor slab as claimed in claim 6, wherein: the cross section of the connecting groove is C-shaped, the cross section of the connecting device is H-shaped, and two end parts of the connecting device are respectively clamped with the adjacent connecting grooves.
8. The prefabricated hollow pipe apparatus for hollow floor slab as claimed in claim 1, wherein: the connecting grooves are a plurality of and are oppositely arranged on two sides of the hollow pipe body.
9. The prefabricated hollow pipe apparatus for hollow floor slab as claimed in claim 1, wherein: the hollow tube is made of plastic or galvanized material.
10. The prefabricated hollow pipe apparatus for hollow floor slab as claimed in claim 1, wherein: the cross-sectional shape of the hollow tube is circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920836271.9U CN210685114U (en) | 2019-06-05 | 2019-06-05 | Prefabricated hollow pipe device for hollow floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920836271.9U CN210685114U (en) | 2019-06-05 | 2019-06-05 | Prefabricated hollow pipe device for hollow floor slab |
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| Publication Number | Publication Date |
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| CN210685114U true CN210685114U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920836271.9U Active CN210685114U (en) | 2019-06-05 | 2019-06-05 | Prefabricated hollow pipe device for hollow floor slab |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158831A (en) * | 2019-06-05 | 2019-08-23 | 江西联保工程咨询有限公司 | A kind of prefabricated hollow pipe device for cassette ceiling |
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2019
- 2019-06-05 CN CN201920836271.9U patent/CN210685114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158831A (en) * | 2019-06-05 | 2019-08-23 | 江西联保工程咨询有限公司 | A kind of prefabricated hollow pipe device for cassette ceiling |
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Effective date of registration: 20210525 Address after: 344000 Zhongyang Plaza, 2088 Gandong Avenue, Linchuan District, Fuzhou City, Jiangxi Province Patentee after: ZHONGYANG CONSTRUCTION GROUP Co.,Ltd. Patentee after: JIANGXI LIANBAO ENGINEERING CONSULTING Co.,Ltd. Address before: 330000 Baishuihu Lake Management Office, Nanchang Economic and Technological Development Zone, Nanchang City, Jiangxi Province Patentee before: JIANGXI LIANBAO ENGINEERING CONSULTING Co.,Ltd. |