CN210484140U - Tunnel ventilation fan - Google Patents
Tunnel ventilation fan Download PDFInfo
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- CN210484140U CN210484140U CN201921407430.XU CN201921407430U CN210484140U CN 210484140 U CN210484140 U CN 210484140U CN 201921407430 U CN201921407430 U CN 201921407430U CN 210484140 U CN210484140 U CN 210484140U
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- ventilation fan
- fan
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- motor
- reinforcing plate
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Abstract
The utility model discloses a tunnel ventilation fan belongs to the ventilation fan field. A tunnel ventilation fan comprises a protective cover, wherein a ventilation fan shell is arranged on one side of the protective cover, a ventilation fan inner cylinder is arranged inside the ventilation fan shell, an air guide cylinder is arranged inside the ventilation fan inner cylinder, a motor support is arranged on one side of the air guide cylinder, a silencer is arranged at the top of the motor support, a motor is arranged on one side, away from the motor support, of the silencer, and a support frame is fixedly connected to the bottom of the motor; the utility model discloses, the go-between is the arc, can be so that wind in the flow is more smooth and easy, and the resistance is little, improves mobile effect, and the ventilation fan inner tube portion of bending and the welding of ventilation fan shell portion of bending and annular slab, the welding is convenient and firm, and the inner wall is provided with the reinforcing plate, and the aviation baffle passes through the reinforcing plate welding on the ventilation fan inner tube for inner structure is more firm, extension ventilation fan life.
Description
Technical Field
The utility model relates to a ventilation fan technical field especially relates to a tunnel ventilation fan.
Background
Along with the continuous expansion of the construction scale of national highways, the responsibility of the safe operation work of the highways is heavier and heavier, and particularly, the number of long tunnels and extra-long tunnels on the highways is gradually increased, so that the tunnels have the defects of strong space tightness, poor air mobility, low visibility, weak emergency evacuation capability and easy potential safety hazard or fire accidents.
In recent years, a common reason for serious casualties caused by a plurality of tunnel fire accidents in China is poor ventilation, and suffocation and death of people caused by the fact that smoke cannot be discharged in time; at present, in the construction process of a newly built tunnel in China, in order to solve the problem of space closure in a tunnel, a certain number of jet fans are generally designed and installed, and a highway management unit can ensure the ventilation in the tunnel by controlling the rotation of the fans in the operation process. Therefore, how to scientifically and effectively control the fan becomes an important subject in the road operation process at present.
The prior art has the following problems:
1. the wind flow effect is poor.
2. The structure is complicated, and the installation difficulty is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of poor wind power flow effect in the prior art and providing a tunnel ventilation fan.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the tunnel ventilation fan comprises a protective cover, a ventilation fan shell is arranged on one side of the protective cover, a ventilation fan inner tube is arranged inside the ventilation fan shell, an air guide tube is arranged inside the ventilation fan inner tube, a motor support is arranged on one side of the air guide tube, a silencing device is arranged at the top of the motor support, a motor is arranged on one side, away from the motor support, of the silencing device, a support frame is fixedly connected to the bottom of the motor, a power supply is arranged at the bottom of the support frame, a fan shell is arranged on one side of the power supply, and an impeller is arranged inside the fan shell.
Preferably, the outer surface of the ventilation fan shell is provided with two lifting lugs.
Preferably, the outer surface of the air duct is provided with an air deflector, and the other side of the air deflector is fixedly connected to the upper surface of the inner barrel of the ventilation fan.
Preferably, a reinforcing plate is arranged inside the inner barrel of the ventilation fan, and the reinforcing plate is rectangular.
Preferably, a connecting ring is arranged at the joint of the protective cover, the inner cylinder of the ventilation fan and the reinforcing plate.
Preferably, the top of fan casing is provided with linking bridge, linking bridge's quantity is two.
Compared with the prior art, the utility model provides a tunnel ventilation fan possesses following beneficial effect:
1. this tunnel ventilation fan, go-between are the arc, can be so that the wind in the flow more smooth and easy, and the resistance is little, improves the flow effect, and ventilation fan inner tube portion of bending and ventilation fan shell portion of bending and annular plate welding, the welding is convenient and firm.
2. This tunnel ventilation fan, inner wall are provided with the reinforcing plate, and the aviation baffle passes through the reinforcing plate welding on the ventilation fan inner tube for inner structure is more firm, prolongs ventilation fan's life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the fan housing according to the present invention;
FIG. 3 is a schematic structural view of the protective cover of the present invention;
fig. 4 is a schematic structural view of a connection ring in the present invention;
in the figure: 1. a protective cover; 2. a ventilation fan housing; 3. an inner cylinder of the ventilation fan; 4. an air duct; 5. a motor bracket; 6. a silencer device; 7. a motor; 8. a support frame; 9. a power source; 10. A fan housing; 11. an impeller; 12. lifting lugs; 13. an air deflector; 14. a reinforcing plate; 15. a connecting ring; 16. and connecting the bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a tunnel ventilation fan comprises a protective cover 1, a ventilation fan shell 2 is arranged on one side of the protective cover 1, a ventilation fan inner cylinder 3 is arranged inside the ventilation fan shell 2, a wind guide cylinder 4 is arranged inside the ventilation fan inner cylinder 3, a motor support 5 is arranged on one side of the wind guide cylinder 4, a silencer 6 is arranged on the top of the motor support 5, a motor 7 is arranged on one side, away from the motor support 5, of the silencer 6, a support frame 8 is fixedly connected to the bottom of the motor 7, a power supply 9 is arranged at the bottom of the support frame 8, a fan shell 10 is arranged on one side of the power supply 9, an impeller 11 is arranged inside the fan shell 10, the ventilation fan inner cylinder 3 is made of a porous plate, an inner cylinder bending part which is bent inwards and vertically is arranged at one end, close to the ventilation fan shell 2, of the ventilation fan inner cylinder 3, the other end of the connecting ring 15 is welded and fixed on the protective cover 1, the side wall of the connecting ring 15 is an annular arc-shaped wall surface, the structure is adopted, the connection between the connecting ring 15 and the inner cylinder 3 of the ventilation fan is firmer, the side wall of the connecting ring 15 is the annular arc-shaped wall surface, the flowing wind resistance is smaller, the wind flowing speed is improved, the connecting ring 15 is arc-shaped, the wind in the flowing process can be smoother, the resistance is small, the flowing effect is improved, the bending part of the inner cylinder 3 of the ventilation fan and the bending part of the shell 2 of the ventilation fan are welded with the annular plate, the welding is convenient and firm, the reinforcing plate 14 is arranged on the inner wall, the wind deflector 13 is welded on the inner cylinder 3 of the ventilation fan through the reinforcing plate 14, the internal structure is firmer, the service life of the ventilation fan is prolonged, the lifting lugs 12 are arranged on the outer surface of the shell, the bottom of the connecting bracket 16 is provided with a bottom plate which is horizontally bent, so that the bottom plate can be connected with a horizontal plate fixed on the top surface of a tunnel, thereby reducing the installation difficulty and improving the installation efficiency, the outer surface of the air duct 4 is provided with an air deflector 13, the other side of the air deflector 13 is fixedly connected on the upper surface of the inner barrel 3 of the ventilation fan, the outer wall of the air duct 4 is fixedly welded with a plurality of air deflectors 13, the other end of the air deflector 13 is fixedly welded on the inner barrel 3 of the ventilation fan, the flow of wind can be better ensured by adopting the air deflector 13, the flow effect is good, the inner barrel 3 of the ventilation fan is internally provided with a reinforcing plate 14, the reinforcing plate 14 is rectangular, the reinforcing plate 14 is welded on the wall surface of the connecting part of the inner barrel and the connecting ring 15, the stability of the inner connecting ring is increased, and the connecting part of the, the protective cover 1, the inner cylinder 3 of the ventilation fan and the reinforcing plate 14 are fixed together through the connecting ring 15 to form an integrated device, the top of the fan shell 10 is provided with two connecting supports 16, and the two connecting supports 16 on the top of the fan shell 10 can fix the machine body and other parts together, so that the installation is facilitated.
The utility model discloses a theory of operation and use flow: the ventilation fan outer shell 2 is a ventilation fan inner cylinder 3 made of a porous plate, one end of the ventilation fan inner cylinder 3 close to the ventilation fan outer shell 2 is provided with an inner cylinder bending part which is bent inwards and vertically, the connecting ring 15 is welded and fixed on the bending part of the ventilation fan inner cylinder 3, the other end of the connecting ring 15 is welded and fixed on the protective cover 1, the side wall of the connecting ring 15 is an annular arc-shaped wall surface, the connection between the connecting ring 15 and the ventilation fan inner cylinder 3 is firmer by adopting the structure, the side wall of the connecting ring 15 is the annular arc-shaped wall surface, the flowing wind resistance is smaller, the wind flowing speed is improved, the connecting ring 15 is arc-shaped, the flowing wind can be smoother, the resistance is small, the flowing effect is improved, the bending part of the ventilation fan inner cylinder 3 and the bending part of the ventilation fan outer shell 2 are welded with, the air deflector 13 is welded on the inner barrel 3 of the ventilation fan through the reinforcing plate 14, so that the internal structure is more stable, and the service life of the ventilation fan is prolonged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a tunnel ventilation fan, includes protection casing (1), its characterized in that: the ventilating fan is characterized in that a ventilating fan shell (2) is arranged on one side of the protective cover (1), an inner ventilating fan barrel (3) is arranged inside the ventilating fan shell (2), an air guide cylinder (4) is arranged inside the inner ventilating fan barrel (3), a motor support (5) is arranged on one side of the air guide cylinder (4), a silencing device (6) is arranged at the top of the motor support (5), a motor (7) is arranged on one side, away from the motor support (5), of the silencing device (6), a support frame (8) is fixedly connected to the bottom of the motor (7), a power source (9) is arranged at the bottom of the support frame (8), a fan shell (10) is arranged on one side of the power source (9), and an impeller (11) is arranged inside the fan shell (10).
2. The tunnel ventilation fan of claim 1, wherein: the outer surface of the ventilation fan shell (2) is provided with two lifting lugs (12), and the number of the lifting lugs (12) is two.
3. The tunnel ventilation fan of claim 1, wherein: the outer surface of the air duct (4) is provided with an air deflector (13), and the other side of the air deflector (13) is fixedly connected to the upper surface of the inner barrel (3) of the ventilation fan.
4. The tunnel ventilation fan of claim 1, wherein: the ventilating fan is characterized in that a reinforcing plate (14) is arranged inside the inner barrel (3) of the ventilating fan, and the reinforcing plate (14) is rectangular.
5. The tunnel ventilation fan of claim 4, wherein: and a connecting ring (15) is arranged at the joint of the protective cover (1), the inner cylinder (3) of the ventilation fan and the reinforcing plate (14).
6. The tunnel ventilation fan of claim 1, wherein: the top of the fan shell (10) is provided with two connecting supports (16), and the number of the connecting supports (16) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921407430.XU CN210484140U (en) | 2019-08-28 | 2019-08-28 | Tunnel ventilation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921407430.XU CN210484140U (en) | 2019-08-28 | 2019-08-28 | Tunnel ventilation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210484140U true CN210484140U (en) | 2020-05-08 |
Family
ID=70537873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921407430.XU Active CN210484140U (en) | 2019-08-28 | 2019-08-28 | Tunnel ventilation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210484140U (en) |
-
2019
- 2019-08-28 CN CN201921407430.XU patent/CN210484140U/en active Active
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