Tunnel ventilation device

Abstract

The utility model relates to the technical field of tunnel ventilation, in particular to a tunnel ventilation device which comprises a ventilation cylinder, noise reduction cylinders are fixedly installed on the left side and the right side of the ventilation cylinder, and under the cooperation of a wind power mechanism, air in a tunnel flows in an accelerated mode through the ventilation cylinder and the noise reduction cylinders. Meanwhile, the noise reduction barrel conducts noise reduction treatment on flowing air, when the air passes through the interior of the noise reduction barrel, the air impacts the self-cleaning mechanism due to the special shape design of the self-cleaning mechanism, the self-cleaning mechanism rotates after being impacted by wind power, the wind power is guided to blow up dust adsorbed in the noise reduction barrel, and therefore the noise reduction effect is achieved. When the ventilation device is used, the blown dust flows along with the main wind power, so that the dust is delayed to gather for a certain time on the inner wall of the silencing barrel, and under the condition, a worker does not need to frequently clean the silencing barrel in the ventilation device, so that the working intensity of the ventilation device is obviously reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel ventilation technical field especially relates to a tunnel ventilation device. BACKGROUND

[0002] The tunnel needs to be maintained and monitored after being built to ensure its safety and stability, and the construction of the tunnel can bring many benefits, such as shortening the traffic distance, improving the transportation efficiency, and enhancing the regional connection, and the tunnel can also be used to improve the urban traffic condition, improve the urban traffic safety, and promote the regional economic development, and the existing tunnel on the highway is thin, so the ventilation device needs to be used to deliver air to the tunnel to increase the flow of air in the tunnel.

[0003] The ventilation device is usually equipped with a silencer to reduce noise when running, but the silencer is special in internal structure, and the dust in the air delivered by the ventilation device is easy to be adsorbed on the inner wall, and with the passage of time, the dust on the inner wall continuously accumulates, which seriously affects the noise reduction performance of the silencer, in order to ensure the normal function of the silencer, the staff needs to clean it regularly when the dust on the inner wall accumulates to a certain extent, and the silencer is easy to adsorb dust, which makes the staff have to clean the silencer in the ventilation device frequently, greatly increasing their work intensity. UTILITY MODEL CONTENT

[0004] The utility model provides the following technical scheme in view of the deficiency of prior art: a tunnel ventilation device, including ventilation cylinder, both sides of the ventilation cylinder are fixedly installed with silencer, the inner wall of the silencer is fixedly installed with the protection grid away from the position of ventilation cylinder, the outside of the ventilation cylinder is fixedly installed with mounting plate;

[0005] The inner wall of the ventilation cylinder is fixedly provided with a wind power mechanism for accelerating air circulation in the middle;

[0006] The inner wall of the ventilation cylinder is rotatably provided with a self-cleaning mechanism for blowing the dust on the inner wall of the silencer at the position close to the right side.

[0007] As an improvement of the above technical scheme, the wind power mechanism includes a fixed plate, a drive motor and a wind power fan blade, the fixed plate is fixedly installed at the inner wall of the ventilation cylinder, the drive motor is fixedly installed at the left side of the fixed plate, the right end of the drive motor penetrates the right side of the fixed plate, and the left end of the wind power fan blade is fixedly installed with the output end of the drive motor extending out of the right side of the fixed plate.

[0008] As the improvement of the above technical scheme, the self-cleaning mechanism comprises a circular ring plate, a ball, an arc plate and a wind deflector, a circular ring clamping groove is formed on the right side of the inner wall of the ventilation cylinder, the circular ring plate is slidingly clamped in the circular ring clamping groove, a plurality of spherical grooves are uniformly formed on the outer side of the circular ring plate in a circular ring shape, the ball is slidingly clamped in the spherical groove, the ball is attached to the inner wall of the circular ring clamping groove, the arc plate is symmetrically fixedly installed on the inner side of the circular ring plate, the wind deflector is linearly and uniformly fixedly installed on the inner arc surface of the arc plate, and a plurality of flow-through openings are formed on the inner arc surface of the arc plate and located on the right side of the wind deflector.

[0009] As the improvement of the above technical scheme, the right side surface of the flow-through opening is arc-shaped at one end close to the center of the circle.

[0010] As the improvement of the above technical scheme, the wind deflector is designed in a front-rear inclined shape and is inclined to the right side.

[0011] The beneficial effects of the utility model are as follows: under the cooperation of the wind power mechanism, the air in the tunnel is accelerated to flow through the ventilation cylinder and the sound attenuation cylinder, meanwhile, the sound attenuation cylinder reduces the noise of the flowing air, when the air passes through the inside of the sound attenuation cylinder, the air will impact the self-cleaning mechanism due to the special shape design of the self-cleaning mechanism, the self-cleaning mechanism rotates after being impacted by the wind power, and guides the wind power to blow up the dust adsorbed in the sound attenuation cylinder, the dust blown up will flow together with the main wind power, thereby delaying the time of the dust gathering on the inner wall of the sound attenuation cylinder to a certain amount, in this case, the staff does not need to clean the sound attenuation cylinder in the ventilation device frequently, and the working intensity is remarkably reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the tunnel ventilation device of the utility model;

[0013] Figure 2 It is a sectional view of the internal structure of the utility model;

[0014] Figure 3 It is a structure schematic view of the circular ring plate and the arc plate of the utility model;

[0015] Figure 4 It is the utility model Figure 2 It is an enlarged view of the structure at A in the utility model;

[0016] Figure 5 It is the utility model Figure 2 It is an enlarged view of the structure at B in the utility model.

[0017] Mark No. : 1, ventilation cylinder; 2, sound reduction cylinder; 21, protective grid; 3, mounting plate; 4, fixed plate; 41, driving motor; 42, wind fan blade; 5, circular ring clamping groove; 51, circular ring plate; 52, spherical body groove; 53, ball; 54, arc plate; 55, air deflector; 56, flow-through port. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below.

[0019] Reference is made to the accompanying drawings Figure 1 , in Figure 1 the technical scheme, a is a front view, b is a right side view, and the above views are only used for understanding the scheme.

[0020] Please refer to Figures 1-5 , the utility model provides a kind of technical scheme: a tunnel ventilation device, including ventilation cylinder 1, ventilation cylinder 1 The left and right sides of both are fixedly installed with sound reduction cylinder 2, the inner wall of sound reduction cylinder 2 is fixedly installed with protective grid 21 away from ventilation cylinder 1, the outer side of ventilation cylinder 1 It is fixedly installed with mounting plate 3;

[0021] The inner wall of ventilation cylinder 1 is fixedly provided with wind power mechanism for accelerating air flow in the middle;

[0022] The inner wall of ventilation cylinder 1 is rotatably provided with self-cleaning mechanism for blowing up dust on the inner wall of sound reduction cylinder 2 at the position close to the right side.

[0023] In the embodiment, under the cooperation of wind power mechanism, the air in the tunnel is accelerated to flow through ventilation cylinder 1 and sound reduction cylinder 2, and the sound reduction cylinder 2 carries out noise reduction treatment to the flowing air, when the air passes through the inside of sound reduction cylinder 2, it will impact the self-cleaning mechanism due to the special shape design of the self-cleaning mechanism, the self-cleaning mechanism rotates after being impacted by wind power, and guides wind power to blow up the dust adsorbed in sound reduction cylinder 2, the dust blown up will flow together with main wind power, thereby delaying the time of dust gathering on the inner wall of sound reduction cylinder 2 to a certain amount.

[0024] Specifically, the wind power mechanism includes fixed plate 4, driving motor 41 and wind fan blade 42, the fixed plate 4 is fixedly installed at the inner wall middle position of ventilation cylinder 1, the driving motor 41 is fixedly installed at the left side surface middle of fixed plate 4, the right end of driving motor 41 penetrates the right side surface of fixed plate 4, and the left end of wind fan blade 42 is fixedly installed with the output end of driving motor 41 extending out of the right side surface of fixed plate 4.

[0025] In this embodiment, the air flow in the ventilation cylinder 1 is accelerated by the cooperation of the internal structure of the wind power mechanism.

[0026] Specifically, the self-cleaning mechanism includes a circular plate 51, a ball 53, an arc plate 54, and a wind guide plate 55. The right side of the inner wall of the ventilation cylinder 1 is provided with a circular clamping groove 5, the circular plate 51 is slidingly clamped in the circular clamping groove 5, the outer side of the circular plate 51 is uniformly provided with a plurality of spherical grooves 52, the ball 53 is slidingly clamped in the spherical groove 52, the ball 53 is in close contact with the inner wall of the circular clamping groove 5, the arc plate 54 is symmetrically fixedly installed on the inner side of the circular plate 51, the wind guide plate 55 is linearly and uniformly fixedly installed on the inner arc surface of the arc plate 54, and a plurality of flow-through openings 56 are provided on the inner arc surface of the arc plate 54 and located to the right of the wind guide plate 55.

[0027] In this embodiment, the dust adsorbed on the sound-absorbing cylinder 2 is self-cleaned by the cooperation of the self-cleaning mechanism and the accelerated wind power.

[0028] Specifically, the right side of the flow-through opening 56 is designed in an arc shape close to the center of the circle.

[0029] In this embodiment, more wind power can enter the flow-through opening 56.

[0030] Specifically, the wind guide plate 55 is designed in a front-rear inclined shape and is tilted to the right side.

[0031] In this embodiment, the wind guide plate 55 can rotate and guide the airflow to change the flow direction when it is impacted by the wind power.

[0032] In use, the ventilation cylinder 1 is detachably installed at a designated position in the tunnel through the mounting plate 3, when the air flow in the tunnel needs to be strengthened, the driving motor 41 is started, the driving motor 41 drives the wind fan blade 42 to rotate, the wind fan blade 42 rotates to make the air in the tunnel enter the ventilation cylinder 1 through the sound reduction cylinder 2, and is accelerated to be discharged by the ventilation cylinder 1, when the air enters the sound reduction cylinder 2 through the protective grid 21, the sound reduction cylinder 2 reduces the noise generated by the air flow, at the same time, the dust in the air is gathered on the inner wall of the sound reduction cylinder 2, due to the air outside is accelerated to flow from the right sound reduction cylinder 2 to the ventilation cylinder 1 under the action of the wind power mechanism, so that the wind power impacts the guide plate 55 in the flowing process, the guide plate 55 is impacted by the wind power and drives the arc plate 54 to rotate, the arc plate 54 drives the circular ring plate 51 to rotate, the circular ring plate 51 drives the ball 53 to rotate along the circular ring slot 5, at the same time, the wind power impacting the guide plate 55 passes through the flow-through port 56 under the guidance of the guide plate 55, the wind power passing through the flow-through port 56 blows up the dust adsorbed on the inner wall of the sound reduction cylinder 2, the dust is blown up and then moves to the left with the main wind power, since the guide plate 55 and the flow-through port 56 are symmetrically and staggered arranged, the guide plate 55 and the flow-through port 56 are rotated under the impact of the wind power, at the same time, the dust at different positions on the inner wall of the sound reduction cylinder 2 is blown up, so that the dust gathering on the inner wall of the sound reduction cylinder 2 is delayed for a certain amount of time, in this case, the worker does not need to clean the sound reduction cylinder 2 in the ventilation device frequently, which significantly reduces the work intensity.

[0033] The above examples are only used to illustrate the technical solutions of the present application, but not limit it.

Claims

1. A tunnel ventilation device comprising a ventilation cylinder (1), characterized in that: The left and right sides of the ventilation cylinder (1) are fixedly installed with sound attenuation cylinders (2), the inner walls of the sound attenuation cylinders (2) are fixedly installed with protective grids (21) away from the ventilation cylinder (1), and the outer side of the ventilation cylinder (1) is fixedly installed with a mounting plate (3). The inner wall of the ventilation cylinder (1) is fixedly provided with a wind power mechanism in the middle for accelerating air circulation. The inner wall of the ventilation cylinder (1) is rotatably provided with a self-cleaning mechanism for blowing dust off the inner wall of the sound attenuation cylinder (2) close to the right side.

2. A tunnel ventilation device according to claim 1, characterised in that: The wind power mechanism comprises a fixed plate (4), a drive motor (41) and a wind power fan blade (42), the fixed plate (4) is fixedly installed on the inner wall of the ventilation cylinder (1) in the middle, the drive motor (41) is fixedly installed on the left side of the fixed plate (4) in the middle, the right end of the drive motor (41) penetrates through the right side of the fixed plate (4), and the left end of the wind power fan blade (42) is fixedly installed with the output end of the drive motor (41) extending out of the right side of the fixed plate (4).

3. A tunnel ventilation device according to claim 1, characterized in that: The self-cleaning mechanism comprises a circular ring plate (51), a ball (53), an arc plate (54) and a guide plate (55), the inner wall of the ventilation cylinder (1) is provided with a circular ring clamping groove (5) on the right side, the circular ring plate (51) is slidingly clamped in the circular ring clamping groove (5), a plurality of spherical grooves (52) are uniformly formed on the outer side of the circular ring plate (51) in a circular ring shape, the ball (53) is slidingly clamped in the spherical groove (52), the ball (53) is attached to the inner wall of the circular ring clamping groove (5), the arc plate (54) is fixedly installed on the inner side of the circular ring plate (51) in a symmetrical manner, the guide plate (55) is linearly and uniformly fixedly installed on the inner arc surface of the arc plate (54), and a plurality of circulation openings (56) are formed in the inner arc surface of the arc plate (54) and located on the right side of the guide plate (55).

4. A tunnel ventilation device according to claim 3, characterised in that: The right side of the circulation opening (56) is arc-shaped close to the center.

5. A tunnel ventilation device according to claim 3, characterised in that: The guide plate (55) is designed to be inclined front and back and tilted to the right side.

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