CN220226069U - Construction node for ventilation pipeline in narrow space - Google Patents
Construction node for ventilation pipeline in narrow space Download PDFInfo
- Publication number
- CN220226069U CN220226069U CN202321945493.7U CN202321945493U CN220226069U CN 220226069 U CN220226069 U CN 220226069U CN 202321945493 U CN202321945493 U CN 202321945493U CN 220226069 U CN220226069 U CN 220226069U
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- Prior art keywords
- ventilating duct
- ventilating
- construction
- construction node
- duct
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- 238000010276 construction Methods 0.000 title claims abstract description 45
- 238000009423 ventilation Methods 0.000 title claims description 43
- 239000004567 concrete Substances 0.000 claims description 5
- 230000011218 segmentation Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Abstract
The utility model discloses a construction node of a ventilating duct in a narrow space, which comprises a plurality of ventilating duct units, wherein the ventilating duct units are arranged in the narrow space, the adjacent ventilating duct units are connected through outer flanges to form the ventilating duct, the adjacent ventilating ducts are connected through inner flanges, and temporary fastening skylights are arranged on the segmented positions of the ventilating duct through the inner flanges. The construction node for the ventilating duct in the narrow space solves the problem that the flange bolts on the inner side cannot be fastened when the ventilating duct is close to the structural wall, reduces construction potential safety hazards, and improves construction efficiency of operators.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a construction node of a ventilation pipeline in a narrow space.
Background
The current civil high-rise building built-in metal air duct installation is influenced by limiting factors such as structure and secondary structure well space, layer height, wall body, pipeline outline dimension, installation mode operation distance and the like, and the pipeline installation difficulty is increased. The common construction method for the built-in metal air duct comprises the following steps: a method for processing and assembling layer by layer from bottom to top; the traditional installation mode is necessarily limited by limiting factors such as space, installation position, layer height, external dimension, installation operation distance and the like, so that the inner flange bolts cannot be fastened, and further construction cost is increased.
Disclosure of Invention
The utility model aims to provide a construction node of a ventilating duct in a narrow space, which solves the problem that an inner flange bolt cannot be fastened when the ventilating duct is closely adjacent to a structural wall, reduces construction potential safety hazards and improves construction efficiency of operators.
In order to achieve the above purpose, the utility model provides a construction node for a ventilation pipeline in a narrow space, which comprises a plurality of ventilation pipeline units arranged in the narrow space, wherein adjacent ventilation pipeline units are connected through outer flanges to form the ventilation pipeline, adjacent ventilation pipelines are connected through inner flanges, and temporary fastening skylights are arranged on the segmented positions of the ventilation pipeline through the inner flanges.
Preferably, the temporary fastening skylight is positioned at the opening of the positive pressure air supply outlet and is used for fastening the inner flange bolts.
Preferably, the ventilating duct is hoisted by a hoist erected at the top of a narrow space on a construction site through reverse hoisting.
Preferably, one side of the ventilation pipeline is a concrete structure wall, and after the ventilation pipeline is assembled, a secondary structure wall is poured on the other side of the ventilation pipeline.
Preferably, the diameter of the outer flange is larger than the inner diameter of the ventilating duct units, and the outer flange is sleeved at a position between the two ventilating duct units.
Preferably, the diameter of the inner flange is not larger than the inner diameter of the ventilating duct unit, and the inner flange is sleeved at the joint of the two ventilating ducts.
Therefore, the construction node of the ventilating duct in the narrow space is adopted, the vertical ventilating duct is lifted by the reverse lifting construction method and the BIM technology, the ventilating duct units are connected by the outer flange, the ventilating ducts are connected by the inner flange, and the temporary fastening skylight is arranged at the segmented position of the inner flange pipe section, so that the problem that the inner flange bolts cannot be fastened when the ventilating duct is close to the structural wall is solved, the construction potential safety hazard is reduced, and the construction efficiency of operators is improved.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic view of a construction node for a small space ventilation duct of the present utility model;
fig. 2 is a flow chart of a construction method of a construction node of a ventilation pipeline in a narrow space.
Reference numerals
1. An outer flange; 2. an inner flange; 3. temporarily fastening a skylight; 4. a concrete structure wall; 5. and a secondary structure wall body.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Example 1
Fig. 1 is a schematic installation view of a construction node of a ventilation pipeline in a narrow space, and as shown in fig. 1, the utility model provides a construction node of a ventilation pipeline in a narrow space, which comprises a plurality of ventilation pipeline units arranged in the narrow space, wherein adjacent ventilation pipeline units are connected through an outer flange 1 to form a ventilation pipeline, the adjacent ventilation pipelines are connected through an inner flange 2, and a temporary fastening skylight 3 is arranged at a subsection position of the ventilation pipeline by the inner flange 2.
In the present embodiment, the position of temporarily fastening the sunroof 3 is at the positive pressure air supply opening for fastening the bolts of the inner flange 2.
In this embodiment, the ventilation pipeline is hoisted by a hoist erected at the top of a narrow space at a construction site by reverse hoisting.
In this embodiment, one side of the ventilation duct is a concrete structure wall 4, and after the ventilation duct is assembled, a secondary structure wall 5 is poured on the other side of the ventilation duct.
In this embodiment, the diameter of the outer flange 1 is larger than the inner diameter of the ventilation duct unit, and the outer flange 1 is sleeved at a position between two ventilation duct units.
In this embodiment, the diameter of the inner flange 2 is not larger than the inner diameter of the ventilation duct unit, and the inner flange 2 is sleeved at the joint of the two ventilation ducts.
Fig. 2 is a flow chart of a construction method of a construction node of a ventilation pipeline in a narrow space, and as shown in fig. 2, the utility model also provides a construction method of a construction node of a ventilation pipeline in a narrow space, which comprises the following steps:
s1, building a three-dimensional model according to a construction drawing of a ventilating duct and an internal structure of the duct based on BIM technology, and carrying out deepening design on a vertical ventilating duct;
establishing a model according to a professional drawing of a construction site, modeling the actual condition of the construction site based on a BIM technology, and marking the installation position of the ventilating duct in the model;
s2, prefabricating the deeply designed ventilating duct units in a pipeline factory, and assembling a plurality of ventilating duct units in sections on a construction site;
performing factory prefabrication production according to the needed ventilation pipeline length data acquired at the construction site, manufacturing prefabricated ventilation pipeline units at the construction site, and connecting the prefabricated ventilation pipeline units through an outer flange 1 to form a ventilation pipeline;
s3, lifting the ventilating duct to a narrow space by adopting reverse installation in a construction site, and assembling the ventilating duct;
firstly, hoisting a first ventilating duct, when the installation height of a second ventilating duct is met, secondly, hoisting the second ventilating duct, sequentially installing other ventilating ducts, erecting a winch at the top of a narrow space structure, lifting the lifting of the ventilating duct through the winch, and assisting in completing the hoisting of the ventilating duct.
S4, temporarily fastening a skylight 3 is required to be arranged between every two adjacent ventilation pipelines;
every two adjacent ventilating ducts are connected through an inner flange 2, a temporary fastening skylight 3 is arranged at the segment position of the inner flange 2 pipe section, and the position of the temporary fastening skylight 3 is arranged at the opening of the positive pressure air supply outlet and used for fastening bolts of the inner flange 2.
S5, repeating the steps S3 and S4, installing the rest hoisting ventilating ducts until the ventilating ducts are installed, and then building the secondary structure wall body 5 at the position of the concrete structure wall body 4.
Specifically, when the vent pipe is installed in a narrow space, the reverse lifting and hoisting vent pipe and BIM modeling technology are adopted to carry out deepening design on the vent pipe units, a plurality of vent pipe units are connected by adopting the outer flange 1 to form the vent pipe, adjacent vent pipes are connected by the inner flange 2, and the temporary fastening skylight 3 is arranged at the joint of the inner flange 2.
Examples
(1) Engineering overview
The project is located in new-generation business city of western style sheets in western urban area of Beijing city, and the new-generation business city of western style sheets is reinforced and reformed, and the area of the reinforced and reformed decoration is 45192.95m 2 The building height 44.96m of the ground 10 layers and the ground 4 layers is 50 years, and the earthquake-proof intensity is 8 degrees, so that the building shear wall structure system is a reinforced concrete frame shear wall structure system.
Therefore, the construction node of the ventilation pipeline in the narrow space solves the problem that the flange bolts on the inner side cannot be fastened when the ventilation pipeline is closely adjacent to the structural wall, reduces construction potential safety hazards, and improves construction efficiency of operators.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (6)
1. The utility model provides a narrow and small space air pipe construction node which characterized in that: including a plurality of air pipe units setting up in the inside in narrow and small space, constitute the air pipe through outer flange joint between the adjacent air pipe unit, through interior flange joint between the adjacent air pipe, interior flange is in the segmentation position department of air pipe is provided with the temporary fastening skylight.
2. The small space ventilation duct construction node of claim 1, wherein: the temporary fastening skylight is arranged at the opening of the positive pressure air supply outlet and used for fastening the inner flange bolts.
3. The small space ventilation duct construction node of claim 1, wherein: the ventilating duct is hoisted by a hoist erected at the top of a narrow space on a construction site through reverse hoisting.
4. A small space ventilation duct construction node as claimed in claim 3, wherein: one side of the ventilating duct is a concrete structure wall, and after the ventilating duct is assembled, a secondary structure wall is poured on the other side of the ventilating duct.
5. The small space ventilation duct construction node of claim 1, wherein: the diameter of the outer flange is larger than the inner diameter of the ventilating duct unit, and the outer flange is sleeved at the position between the two ventilating duct units.
6. The small space ventilation duct construction node of claim 1, wherein: the diameter of the inner flange is not larger than the inner diameter of the ventilating duct unit, and the inner flange is sleeved at the joint of the two ventilating ducts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945493.7U CN220226069U (en) | 2023-07-24 | 2023-07-24 | Construction node for ventilation pipeline in narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945493.7U CN220226069U (en) | 2023-07-24 | 2023-07-24 | Construction node for ventilation pipeline in narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226069U true CN220226069U (en) | 2023-12-22 |
Family
ID=89196561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321945493.7U Active CN220226069U (en) | 2023-07-24 | 2023-07-24 | Construction node for ventilation pipeline in narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220226069U (en) |
-
2023
- 2023-07-24 CN CN202321945493.7U patent/CN220226069U/en active Active
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