CN219220773U

CN219220773U - Dustproof roadway fan that falls of making an uproar

Info

Publication number: CN219220773U
Application number: CN202320205299.9U
Authority: CN
Inventors: 宋文杰; 郭文彬; 井庆贺; 马传斌; 郭洁; 季欣宗
Original assignee: Dalai Nur Coal Industry Co Ltd; Hulunbuir University
Current assignee: Dalai Nur Coal Industry Co Ltd; Hulunbuir University
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-20
Anticipated expiration: 2033-02-14

Abstract

The utility model relates to the technical field of roadway fans, in particular to a dustproof and noise-reducing roadway fan which comprises an axial flow fan, a wind expansion cover and a dustproof pipe, wherein a connecting pipe with a horn-shaped structure is arranged on the end face, far away from an opening, of the wind expansion cover, the connecting pipe is arranged on an exhaust end of the axial flow fan, a plurality of sound absorption plates are arranged in the opening of the wind expansion cover, the inside of the wind expansion cover is divided into a plurality of exhaust channels through the sound absorption plates, a ring body is arranged in the dustproof pipe, and a filter screen is arranged at one end of the ring body. The utility model has simple structure, can reduce noise of the axial fan through the sound insulation sleeve, can filter the entering wind through the filter screen, can diffuse the discharged wind through the wind expansion cover, and increases the area of the air outlet so as to reduce the wind speed, enable the wind energy to cover the roadway more uniformly and reduce the dust amount blown by the wind.

Description

Dustproof roadway fan that falls of making an uproar

Technical Field

The utility model relates to the technical field of roadway fans, in particular to a dustproof and noise-reducing roadway fan.

Background

In tunnel construction, with the wide application of long-distance tunnel engineering, the problem of air purification in the tunnel is gradually developed. In order to ensure the ventilation effect, the existing solution is to adopt a tunnel type tunnel ventilation mode on a certain distance, an axial flow fan needs to be placed in an air inlet hole, and meanwhile, along with the continuous increase of the tunneling depth, the axial flow fan needs to continuously move forward to ensure the ventilation effect so as to reduce smoke and particulate matters in tunnel air.

However, the existing axial flow fan lacks functions of dust prevention and noise reduction, so that larger noise is generated, dust in a roadway can be sucked and discharged by wind, and after the wind is discharged through the axial flow fan, the wind force is larger because the discharged wind is more concentrated, and the dust in the blown roadway flies upwards, so that the working environment is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a dustproof noise-reducing tunnel fan which can reduce noise, can filter incoming wind, can diffuse discharged wind, and can increase the area of the air outlet so as to reduce the wind speed, enable the wind energy to cover the tunnel more uniformly and reduce the dust amount blown by the wind.

The utility model is realized by the following technical scheme: the utility model provides a dustproof roadway fan of making an uproar that falls, includes axial fan, expands fan housing and dust pipe, expand the fan housing and set up in axial fan's exhaust end the place ahead, the dust pipe is installed on axial fan's air inlet end, expand the fan housing and keep away from the connecting pipe of installing loudspeaker form structure on the open-ended terminal surface, the connecting pipe is installed on axial fan's exhaust end, expand fan housing open-ended inside and be equipped with the polylith acoustic baffle, expand fan housing inside and separate through the acoustic baffle and be a plurality of exhaust channel, the inside of dust pipe is equipped with the ring body, the filter screen is installed to the one end of ring body, protruding formation thickening portion on the top surface of dust pipe, the inner wall surface of dust pipe is just to being equipped with the mounting groove in thickening portion department axial, install electronic slip table in the mounting groove, the embedded vibrating reed of installing on the top surface of ring body, electronic slip table's moving platform installs on the ring body.

As the preferable technical scheme, the middle part of acoustic board top surface is installed perpendicularly and is had the screw rod, and the top surface of expanding the fan housing just is equipped with the through-hole to screw rod department, and the screw rod all passes the through-hole and extends to the external world to equal threaded connection has the nut, and screw rod and acoustic board are all through nut lock fastening on expanding the fan housing.

As the preferable technical scheme, the wind expansion covers are all arranged in an arc-shaped structure, and the arc degree is matched with that of the top of the roadway.

As the preferable technical scheme, the outside that axial fan is located flabellum and motor installs the sound insulation cover, and the sound insulation cover is made by soundproof cotton, and the outside of sound insulation cover installs the plastic film.

As a preferable technical scheme, the length of the sound absorbing plate is smaller than the depth of the expansion cover.

The beneficial effects of the utility model are as follows: the utility model has simple structure, can reduce noise of the axial fan through the sound insulation sleeve, can filter the entering wind through the filter screen, can remove the filter screen out of the dust-proof pipe through the electric sliding table after long-time use, and can shake off the dust on the filter screen through the vibration of the vibrating piece, thereby avoiding affecting the air intake, and can diffuse the discharged wind through the wind expansion cover, increasing the area of the air outlet, reducing the wind speed, enabling the wind energy to cover the tunnel more uniformly, reducing the dust amount blown by the wind, and simultaneously adjusting the angle of the sound absorption plate, enabling the discharged wind energy to change the angle, further ensuring the uniformity of the wind, and the sound absorption plate can absorb the sound of the wind when passing through the air exhaust channel, thereby further playing the function of reducing the noise.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a dust tube in accordance with the present utility model;

fig. 3 is a transverse cross-sectional view of the diffuser cap of the present utility model.

In the figure, 1, an axial flow fan; 2. a wind expansion cover; 3. a connecting pipe; 4. a sound absorbing panel; 5. an exhaust passage; 6. a screw; 7. a nut; 8. a sound insulation sleeve; 9. a dust-proof tube; 11. a thickened portion; 12. a ring body; 13. a filter screen; 14. a vibrating piece; 15. an electric sliding table.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1, fig. 2 and fig. 3, the roadway fan capable of preventing dust and reducing noise comprises an axial flow fan 1, a wind expansion cover 2 and a dust prevention pipe 9, wherein the wind expansion cover 2 is arranged in front of an exhaust end of the axial flow fan 1, the dust prevention pipe 9 is arranged on an air inlet end of the axial flow fan 1, a connecting pipe 3 with a horn-shaped structure is arranged on an end face, far away from an opening, of the wind expansion cover 2, the connecting pipe 3 is arranged on the exhaust end of the axial flow fan 1, a plurality of sound absorption plates 4 are arranged in the opening of the wind expansion cover 2, the inside of the wind expansion cover 2 is divided into a plurality of exhaust channels 5 through the sound absorption plates 4, a ring body 12 is arranged in the inside of the dust prevention pipe 9, a filter screen 13 is arranged at one end of the ring body 12, a thickened part 11 is formed by protruding out of the top surface of the dust prevention pipe 9, an installation groove is axially arranged at the position, which is opposite to the thickened part 11, an electric sliding table 15 is arranged in the installation groove, a vibrating piece 14 is arranged on the top surface of the ring body 12 in an embedded manner, and a moving platform of the electric sliding table 15 is arranged on the ring body 12.

In this embodiment, screw rod 6 is installed perpendicularly to the middle department of acoustic baffle 4 top surface, and the top surface of expanding fan housing 2 just is equipped with the through-hole to screw rod 6 department, and screw rod 6 all passes the through-hole and extends to the external world to equal threaded connection has nut 7, and screw rod 6 and acoustic baffle 4 all lock the fastening on expanding fan housing 2 through nut 7, all install the rubber layer on acoustic baffle's the top surface and the bottom surface, can realize the rotation to the acoustic baffle through the mode of extrusion rubber layer.

In this embodiment, the fan cover 2 is all arc structure setting to the arc degree matches with the arc degree at tunnel top, makes the fan cover can with tunnel assorted, has increased the diffusion area of wind.

In this embodiment, the axial fan 1 is located the externally mounted of flabellum and motor and has sound insulation cover 8, and sound insulation cover 8 is made by the soundproof cotton, and the externally mounted of sound insulation cover 8 has the plastic layer, can keep apart the noise that produces when flabellum and motor rotate as far as possible through sound insulation cover and plastic layer.

In this embodiment, the length of the sound absorbing plate 4 is smaller than the depth of the fan housing 2, so that the air enters the fan housing to be diffused, and is discharged from different air discharge channels.

After the axial flow fan is started, external wind energy enters along the dustproof pipe until being discharged from different exhaust channels, when the wind passes through the dustproof pipe, the wind passes through the filter screen, dust carried in the wind can be filtered through the filter screen to play a dustproof effect, after the filter screen is used for a long time, the electric sliding table can be started, the moving platform on the electric sliding table moves outwards, the moving platform drives the ring body, the movement of the ring body drives the filter screen, after the filter screen is moved out of the dustproof pipe, the vibration piece can be started, vibration energy generated by the vibration piece directly acts on the ring body and the filter screen, and the dust on the filter screen is vibrated down through vibration of the vibration piece, so that the influence on the air inlet quantity is avoided;

after wind enters the wind expansion cover, the wind can enter different exhaust channels, the exhaust wind can be diffused, the area of the wind outlet is increased, the wind speed is reduced, the wind energy is enabled to cover a roadway more uniformly, the dust amount blown by the wind is reduced, meanwhile, the angle of the sound absorption plate can be adjusted, during adjustment, the nut is unscrewed, the sound absorption plate can rotate around the screw rod, the angle of the sound absorption plate is adjusted, after the angle is determined, the nut is screwed down again, the screw rod and the sound absorption plate are locked and fixed on the wind expansion cover, the uniformity of the wind is further ensured, the sound of the wind when passing through the exhaust channel can be absorbed by the sound absorption plate, and the function of noise reduction is further played.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. A dustproof roadway fan that falls is characterized in that: including axial fan (1), expand fan housing (2) and dustproof pipe (9), expand fan housing (2) and set up in axial fan's (1) exhaust end the place ahead, dustproof pipe (9) are installed on axial fan's (1) air inlet, expand fan housing (2) and keep away from on the open-ended terminal surface and install connecting pipe (3) of loudspeaker form structure, connecting pipe (3) are installed on axial fan's (1) exhaust end, expand fan housing (2) open-ended inside is equipped with polylith acoustic baffle (4), expand fan housing (2) inside and separate through acoustic baffle (4) and be a plurality of exhaust channel (5), the inside of dustproof pipe (9) is equipped with ring body (12), filter screen (13) are installed to one end of ring body (12), the thickening portion (11) are formed to the top surface of dustproof pipe (9) upper bulge, the inner wall face of dustproof pipe (9) just is equipped with the mounting groove to thickening portion (11) department axial, install electronic slip table (15) in the mounting groove, install vibrating reed (14) on the top surface of ring body (12) embedding, electronic slip table (15) remove on (12).

2. The dust and noise reducing roadway fan of claim 1, wherein: screw rods (6) are vertically arranged in the middle of the top surface of the sound absorbing plate (4), through holes are formed in the top surface of the wind expansion cover (2) right opposite to the screw rods (6), the screw rods (6) penetrate through the through holes and extend to the outside, nuts (7) are connected with the screw rods in a threaded mode, and the screw rods (6) and the sound absorbing plate (4) are locked and fixed on the wind expansion cover (2) through the nuts (7).

3. The dust and noise reducing roadway fan of claim 1, wherein: the wind expansion hoods (2) are all arranged in an arc-shaped structure, and the arc degree is matched with the arc degree of the top of the roadway.

4. The dust and noise reducing roadway fan of claim 1, wherein: the axial flow fan (1) is located the externally mounted of flabellum and motor and has sound insulating sleeve (8), and sound insulating sleeve (8) are made by the soundproof cotton, and the externally mounted of sound insulating sleeve (8) has the plastic film.

5. The dust and noise reducing roadway fan of claim 1, wherein: the length of the sound absorbing plate (4) is smaller than the depth of the wind expansion cover (2).