CN219569462U - Lining air pipe structure of concrete air shaft - Google Patents
Lining air pipe structure of concrete air shaft Download PDFInfo
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- CN219569462U CN219569462U CN202223023929.5U CN202223023929U CN219569462U CN 219569462 U CN219569462 U CN 219569462U CN 202223023929 U CN202223023929 U CN 202223023929U CN 219569462 U CN219569462 U CN 219569462U
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Abstract
The utility model relates to a lining air pipe structure of a concrete air shaft, which is suitable for the technical field of building ventilation engineering. The lining air duct structure is provided with a plurality of air duct steel plates which are arranged on the inner wall of a concrete air shaft, the air duct steel plates in the radial direction of the concrete air shaft are spliced end to form a closed structure, the air duct steel plates in the axial direction of the concrete air shaft are spliced up and down in sequence, the splicing parts of two adjacent air duct steel plates are connected through spot welding, fireproof sealant is smeared at a gap of the splicing parts, and the lining air duct is formed by splicing. The special-shaped irregular parts of the concrete air shaft are provided with channel steel supporting and reinforcing modes, and angle steel is arranged on each air pipe steel plate for reinforcing, so that the structural strength of the lining air pipe is improved. The air duct steel plate is fixedly arranged on the inner wall of the concrete air shaft and the air supply hole through the chemical bolts, and the installation and the disassembly and the assembly of the air duct steel plate on the inner wall are convenient to realize through adjusting the tightness of nuts on the chemical bolts.
Description
Technical Field
The utility model relates to a lining air pipe structure of a concrete air shaft, which is suitable for the technical field of building ventilation engineering.
Background
The lining air pipes of the civil air shaft are generally metal air pipes, the air pipes are connected through flanges, and the whole air pipe is fixedly arranged on the side wall of the civil air shaft through angle steel or channel steel brackets. When at least one surface of the civil air shaft is a brick wall, the brick wall can be utilized as an operation surface for installing an air pipe, and the brick wall is built after the air pipe is installed and fixed, so that a closed civil air shaft lining air pipe structure is formed, which is common in actual construction of engineering. When the concrete air shaft of civil engineering air shaft four walls all is concrete, can't reserve the operation face of tuber pipe installation, can't adopt conventional tuber pipe mounting structure and mode, if hoist from top to bottom by the air shaft after accomplishing the connection of lining tuber pipe with the flange, not only need consider hoist and mount space and the hoist and mount equipment of tuber pipe handling on upper portion, construction cost is high, hoist and mount tuber pipe is whole be difficult to install fixedly with the lateral wall in the air shaft moreover, especially concrete air shaft is installation fixedly more difficult when overlength height and shape are irregular, the stability and the fastness of lining tuber pipe are poor. Therefore, the lining air pipe structure suitable for the concrete air shaft needs to be studied to solve the problem of the installation of the lining air pipe in engineering construction.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the technical problems, the utility model provides a lining air pipe structure of a concrete air shaft, which is installed around the air shaft and is made of concrete.
The technical scheme adopted by the utility model is as follows: the utility model provides a lining tuber pipe structure of concrete wind shaft which characterized in that: the air duct steel plates are arranged on the inner wall of the concrete air shaft, the air duct steel plates arranged along the circumferential direction of the concrete air shaft are spliced end to end, a closed structure is formed on the cross section of the concrete air shaft, the air duct steel plates arranged along the axial direction of the concrete air shaft are spliced up and down in sequence, the splicing parts between two adjacent air duct steel plates are connected through spot welding, and fireproof sealant is smeared at a gap of the splicing part. Therefore, after the splicing of all the air pipe steel plates on the inner wall of the concrete air shaft is completed, the inner side of the concrete air shaft is spliced to form a closed lining air pipe, so that the effect of a ventilation pipeline is achieved.
The concrete air shaft is arranged in a building, each layer in the building is provided with a front chamber adjacent to the concrete air shaft, and an air supply hole leading to the concrete air shaft is arranged in the front chamber. So, with each layer antechamber intercommunication in concrete air shaft and the building, the personnel of being convenient for enter into inside the concrete air shaft through the air supply hole and install and overhaul the inside lining tuber pipe, the inside lining tuber pipe of concrete air shaft is supplied air to each layer antechamber through the air supply hole simultaneously.
And an air pipe steel plate is arranged on the inner wall of the air supply hole.
The air pipe steel plate is fixedly arranged on the inner walls of the concrete air shaft and the air supply holes through chemical bolts. So, chemical bolt fixed mounting is on the inner wall of concrete air shaft and air supply hole, through the nut elasticity on the adjustment chemical bolt, is convenient for realize the installation and the dismouting of tuber pipe steel sheet on the inner wall. Meanwhile, the air duct steel plate is fixedly arranged on the inner wall of the concrete air shaft, and the stability and the firmness of the lining air duct are strong.
The air pipe steel plate at the irregular part in the circumferential direction of the concrete air shaft is bent and then suspended on the inner wall of the concrete air shaft, and the air pipe steel plate at the irregular part is fixedly arranged on channel steel arranged along the axial direction of the concrete air shaft through fastening bolts. Therefore, the air duct steel plate suspended at the irregular positions is firmly fixed, and the channel steel arranged along the axial direction is used as a fixing bracket to support and strengthen the whole lining air duct.
And horizontally arranged angle steels are arranged at the middle positions of all the air duct steel plates arranged along the axial direction of the concrete air well, and are welded and fixed with the air duct steel plates. Thus, the structural strength of each air duct steel plate is increased.
The air duct steel plates are corrosion-resistant steel plates or stainless steel plates with the thickness of 1mm-2mm, and each air duct steel plate is reserved according to the design intervalIs provided.
The beneficial effects of the utility model are as follows: according to the utility model, the air duct steel plates are arranged on the inner walls of the concrete air shaft in the building and the air supply holes connecting the concrete air shaft and the front chamber, the air duct steel plates are fixed on the inner walls by using chemical bolts, and fireproof sealant is smeared at the joint gaps between two adjacent air duct steel plates, so that the lining air duct is formed by splicing. The special-shaped irregular parts of the concrete air shaft are provided with channel steel supporting and reinforcing modes, and angle steel is arranged on each air pipe steel plate for reinforcing, so that the structural strength of the lining air pipe is increased, the stability and the firmness of the lining air pipe are improved, and the performance of the ventilating pipeline is ensured. The air supply hole is convenient for personnel to enter the concrete air shaft to install and overhaul the lining air pipe, and the installation and disassembly of the air pipe steel plate on the inner wall are convenient to realize by adjusting the tightness of the nuts on the chemical bolts, so that the installation and overhaul cost of the lining air pipe is reduced.
Drawings
Fig. 1: in this embodiment, the cross section of the concrete wind shaft is schematically shown.
Fig. 2: in this embodiment, the connection of the wind pipe steel plates is schematically shown.
In the figure: 1. a blast pipe steel plate; 2. a chemical bolt; 3. a concrete wind shaft; 4. air supply holes; 5. a front chamber; 6. a fastening bolt; 7. channel steel; 8. angle steel; 9. fireproof sealant.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
The embodiment is a lining air pipe structure of a concrete air shaft 3, wherein a lining air pipe is fixed on the inner wall of the concrete air shaft 3 and is formed by splicing a plurality of air pipe steel plates 1. The air duct steel plates 1 are spliced end to end in the circumferential direction of the concrete air shaft 3 to form a closed structure, the upper and lower parts of the concrete air shaft 3 in the axial direction are spliced in sequence, the spliced parts between two adjacent air duct steel plates 1 are connected by spot welding, and the gaps at the spliced parts are sealed by using the fireproof sealant 9, so that a closed and firm lining air duct is formed, and the performance of a ventilating duct is ensured.
In this embodiment, the lining tuber pipe is installed in the concrete air shaft 3 of building, and each layer in the building all is equipped with the antechamber 5 adjacent with the concrete air shaft 3, all is equipped with on the adjacent lateral wall of antechamber 5 and concrete air shaft 3 and is used for the air supply hole 4 of intercommunication antechamber 5 and concrete air shaft 3, and its size is 1500mm high, wide 800mm. During installation, the air supply hole 4 is used as a passage for personnel to enter the interior of the concrete air shaft 3, a temporary installation platform is arranged in the concrete air shaft 3 corresponding to the air supply hole 4, personnel and the air pipe steel plate 1 enter the temporary installation platform in the concrete air shaft 3 from the air supply hole 4, and after the lining air pipe in the concrete air shaft 3 in the area is installed, the temporary installation platform is removed. When ventilation is performed, the air supply hole 4 is used as a lining air pipe of the ventilation system to supply air to the opening part of each layer of front chamber 5, and is used as a channel for personnel to enter the interior of the concrete air shaft 3 for maintenance. Therefore, the lining air pipe is convenient to install and overhaul, and the difficulty of installation and overhaul is small.
In this embodiment, the air duct steel plates 1 are installed on the inner walls of the concrete air shaft 3 and the air supply hole 4, and the air duct steel plates 1 are installed on the inner walls of the air supply hole 4 and the concrete air shaft 3 through the chemical bolts 2. The wall surface of the inner wall of the concrete air shaft 3 is drilled with water drills according to the designed interval phi 10, and the positions and the number of the holes correspond to the holes of the steel plate air pipe. After the scraps in the holes of the wall surface are cleaned up, chemical bolts 2 with the nominal diameter of 8mm are implanted into each hole, an air duct steel plate 1 is installed after the strength test of the chemical bolts 2 is qualified, and nuts and gaskets are used for tightening and fixing the air duct steel plate 1. The installation and the disassembly and assembly of the air pipe steel plate 1 on the inner wall are convenient to realize by adjusting the tightness of the nuts on the chemical bolts 2, so that the installation and the disassembly and assembly difficulty of the lining air pipe are reduced.
In this embodiment, the size and shape of the concrete air shaft 3 are determined according to the design of the building, and the duct steel plate 1 cannot be directly fixed on the inner wall of the concrete air shaft 3 at irregular positions of the concrete air shaft 3. At this time, the irregular shorter-side air duct steel plate 1 is formed by bending the adjacent long-side air duct steel plate 1 integrally, and the shorter-side air duct steel plate 1 is suspended on the inner wall of the concrete air shaft 3.
Further, in order to increase the installation structural strength of the air duct steel plate 1 suspended on the inner wall of the concrete air shaft 3 after bending in the concrete air shaft 3, the channel steel 7 with the model number of 16# arranged along the axial direction of the concrete air shaft 3 is fixedly installed on the air duct steel plate 1 through the fastening bolts 6, and meanwhile the channel steel 7 serves as a fixing support to support and strengthen the whole lining air duct. Before installation, a fastening bolt 6 with a nominal diameter of 8mm is required to be reserved on the channel steel 7 according to the design space, and the fastening bolt 6 on the channel steel 7 is required to correspond to the reserved hole position of the air duct steel plate 1. When the reserved hole of the air duct steel plate 1 moves to the position corresponding to the fastening bolt 6 on the channel steel 7, the air duct steel plate 1 and the channel steel 7 are fixed by screwing the nut and the gasket, and the contact part of the nut and the air duct steel plate 1 can be reinforced by spot welding to prevent the nut from loosening secondarily.
In this embodiment, a horizontal angle iron 8 is installed at a middle position of each blast pipe steel plate 1 along the axial direction of the concrete wind shaft 3. The angle steel 8 and the air duct steel plate 1 are fixed in a welding mode, the length of the angle steel is consistent with the air duct steel plate 1, the width of the angle steel is 30mm, and the thickness of the angle steel is 4mm. The angle steel 8 forms local reinforcement to the inner wall round of inside lining tuber pipe, prevents the atress deformation of tuber pipe steel sheet 1 middle part, has increased the structural strength of inside lining tuber pipe.
In this embodiment, the air duct steel plates 1 are made of corrosion-resistant steel plates or stainless steel plates with the thickness of 1mm-2mm, the height dimension of each air duct steel plate 1 is generally 1000 mm-1200 mm, and the length dimension is designed according to the plane dimension of the coagulation air shaft. Each air duct steel plate 1 is generally reserved with 6 openings according to the design space, and the number of the specific openings is required to be determined according to the length dimension of the air duct steel plate 1. After the size and the opening of the air duct steel plate 1 are determined, the prefabricated air duct steel plate 1 is transported to a designed installation position in the concrete air shaft 3.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a lining tuber pipe structure of concrete wind shaft which characterized in that: comprises a plurality of air duct steel plates (1) arranged on the inner wall of a concrete air shaft (3), the air duct steel plates (1) arranged along the circumferential direction of the concrete air shaft (3) are spliced end to end, a closed structure is formed on the cross section of the concrete air shaft (3), the air duct steel plates (1) which are arranged along the axial direction of the concrete air shaft (3) are spliced up and down in sequence, the spliced parts between two adjacent air duct steel plates (1) are connected through spot welding, and fireproof sealant (9) is smeared at a gap of the spliced parts.
2. A lined ductwork structure for a concrete wind shaft as defined in claim 1, wherein: the concrete air shaft (3) is arranged in a building, each layer in the building is provided with a front chamber (5) adjacent to the concrete air shaft (3), and an air supply hole (4) leading to the concrete air shaft (3) is arranged in the front chamber (5).
3. A lined ductwork structure for a concrete wind shaft as defined in claim 2, wherein: an air pipe steel plate (1) is arranged on the inner wall of the air supply hole (4).
4. A lined ductwork structure of a concrete wind shaft according to claim 3, wherein: the air pipe steel plate (1) is fixedly arranged on the inner walls of the concrete air shaft (3) and the air supply hole (4) through the chemical bolts (2).
5. A lined ductwork structure for a concrete wind shaft as defined in claim 1, wherein: the air duct steel plate (1) at the irregular part in the circumferential direction of the concrete air shaft (3) is bent and then suspended on the side wall of the concrete air shaft (3), and the air duct steel plate (1) at the position is fixedly arranged on the channel steel (7) arranged along the axial direction of the concrete air shaft (3) through the fastening bolts (6).
6. A lined ductwork structure for a concrete wind shaft as defined in claim 1, wherein: horizontal angle steel (8) is arranged at the middle position of each air pipe steel plate (1) along the axial direction of the concrete air shaft (3), and the angle steel (8) is welded and fixed with the air pipe steel plates (1).
7. A lined ductwork structure for a concrete wind shaft according to claim 1 or 3, wherein: the air duct steel plates (1) are corrosion-resistant steel plates or stainless steel plates with the thickness of 1mm-2mm, and each air duct steel plate (1) is reserved according to the design intervalIs provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223023929.5U CN219569462U (en) | 2022-11-14 | 2022-11-14 | Lining air pipe structure of concrete air shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223023929.5U CN219569462U (en) | 2022-11-14 | 2022-11-14 | Lining air pipe structure of concrete air shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219569462U true CN219569462U (en) | 2023-08-22 |
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ID=87662170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223023929.5U Active CN219569462U (en) | 2022-11-14 | 2022-11-14 | Lining air pipe structure of concrete air shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219569462U (en) |
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2022
- 2022-11-14 CN CN202223023929.5U patent/CN219569462U/en active Active
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