Tunnel smoke exhaust device

By designing a tunnel smoke exhaust device that includes exhaust, air supply, dust removal, and gas collection mechanisms, the problem of the inconvenience of disassembling and cleaning the filter screen in existing devices has been solved, achieving efficient extraction and filtration of smoke, and improving the practicality and ventilation effect of the device.

CN224049240UActive Publication Date: 2026-03-27QINGHAI XINGLI HIGHWAY & BRIDGE ENG CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing tunnel smoke extraction systems cannot easily disassemble and clean their filters, leading to easy clogging of the mesh and affecting ventilation.

Method used

A tunnel smoke exhaust device was designed, comprising a support box, an exhaust assembly, a drive assembly, an air supply mechanism, a dust removal mechanism, a clamping mechanism, and an air collection mechanism. The device uses a motor-driven fan to extract smoke and a dust filter to filter dust. The air collection hood is easy to disassemble and install, thus achieving the collection and discharge of smoke.

Benefits of technology

It achieves efficient extraction and filtration of flue gas, improves the practicality and versatility of the device, avoids the impact of loosening and falling off after long-term use on vehicle operation, and ensures the ventilation effect in the tunnel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tunnel smoke exhaust device, and particularly relates to the technical field of smoke exhaust devices, the tunnel smoke exhaust device comprises a bearing box body, the middle part of an inner cavity of the bearing box body is fixedly connected with an air exhaust assembly, and the interiors of two air supply mechanisms are movably connected with dust removal mechanisms; clamping mechanisms are fixedly connected to the sides, away from each other, of the two dust removal mechanisms in a front-back symmetry mode. According to the tunnel smoke exhaust device, smoke in a tunnel can be exhausted to the outside through the air exhaust assembly, meanwhile, the smoke can be conveyed outwards through the air supply mechanism, and the practicability of the device is improved; according to the tunnel flue gas treatment device, the effect of filtering dust contained in flue gas can be achieved through the dust removal mechanism, the corresponding air supply mechanism can be installed under the effect of the clamping mechanism, the effects of collecting and discharging the flue gas in a tunnel can be achieved through the gas collection mechanism, and the practicability and universality of the device are improved.
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Description

TECHNICAL FIELD

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

[0002] Highway tunnel is a passageway for automobile transportation. With the development of social economy and production, a large number of highways appear, which puts forward higher standards for road construction technology, requiring straight line, gentle slope and wide road surface. In the construction process of the tunnel, in order to avoid excessive smoke inside the tunnel and harm human health, a smoke exhaust device is needed to exhaust the smoke inside the tunnel.

[0003] Chinese patent document CN209990495U discloses a ventilation and smoke exhaust device for tunnel, which comprises two telescopic rods fixed on the top of the tunnel, a spring is sleeved on the outer wall of each telescopic rod, a first fixed frame and a second fixed frame are fixed on the bottom outer wall of each telescopic rod, a buffer pad is fixed on the bottom inner wall of the first fixed frame, a ventilation pipe is fixed on the top outer wall of the buffer pad, a first filter screen is fixed on one side of the inner wall of the ventilation pipe, a fixed frame is fixed on the inner wall of each side of the ventilation pipe, a fixed block is fixed on the outer wall of each side of the opposite fixed frame, and a fixed groove is formed on the outer wall of one side of the fixed block. The above-mentioned patent document can prevent the device from falling off from the top of the tunnel, causing threat to the driving of vehicles on the road surface or causing traffic congestion, prevent flocculent floating objects from winding around the fan blades, and prevent the exhaust pipe from falling off from the device due to vibration caused by the operation of the device, which affects the driving of vehicles on the road surface.

[0004] The above-mentioned patent document can prevent the device from falling off from the top of the tunnel, causing threat to the driving of vehicles on the road surface or causing traffic congestion, but it cannot conveniently disassemble and clean the filter screen, and the mesh hole is easy to be blocked after a long time of use, which affects the ventilation effect of the tunnel. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a tunnel smoke exhaust device, which can effectively solve the problem of inconvenient disassembly and cleaning of the filter screen.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] A tunnel smoke exhaust device, including the carrying box, the middle part of the inner chamber of the carrying box is fixedly connected with the exhaust component, the right part of the inner chamber of the carrying box is fixedly connected with the driving component, the left part and the right part of the inner chamber of the carrying box are symmetrically fixedly connected with the air supply mechanism, the inside of the two air supply mechanisms is movably connected with the dust removal mechanism, the side away from each other of the two dust removal mechanisms is fixedly connected with the clamping mechanism in front and back symmetry, the side away from each other of the outside of the two air supply mechanisms is movably connected with the gas collecting mechanism.

[0008] Preferably, the exhaust component includes a rectangular frame, a rotating shaft is rotatably connected to the middle part of the inner chamber of the rectangular frame, and a fan is fixedly connected to the middle part of the outer surface of the rotating shaft.

[0009] Preferably, the driving component includes two support plates, the ends of the outer surfaces of the two support plates close to each other are fixedly connected with a mounting frame, a motor is fixedly installed in the inner chamber of the mounting frame, and the left part of the output end of the motor is fixedly connected with the right end of the outer surface of the rotating shaft.

[0010] Preferably, the air supply mechanism includes an air supply pipe, arc-shaped clamping grooves in communication with the outside are symmetrically formed on the end of the outer surface of the air supply pipe away from the middle part of the inner chamber of the carrying box, a plurality of fixed plates are fixedly connected to the outer surface of the air supply pipe in a ring array, and the plurality of fixed plates are fixedly connected with the four corners of the inner chamber of the carrying box.

[0011] Preferably, the dust removal mechanism includes a circular frame, and a dust removal net is fixedly installed in the inner chamber of the circular frame.

[0012] Preferably, the clamping mechanism includes an L-shaped rod, a fastening screw one is threadedly connected to the side of the outer surface of the L-shaped rod away from the middle part of the inner chamber of the carrying box, the right end of the outer surface of the L-shaped rod is fixedly connected with the left end of the outer surface of the circular frame, and the fastening screw one is threadedly connected with the outer surface of the carrying box.

[0013] Preferably, the gas collecting mechanism includes a gas collecting cover, arc-shaped plates are symmetrically fixedly connected to the side of the outer surface of the gas collecting cover close to the middle part of the inner chamber of the carrying box, L-shaped plates are symmetrically fixedly connected to the side of the outer surface of the gas collecting cover away from the middle part of the inner chamber of the carrying box, fastening screws two are symmetrically threadedly connected to the sides of the outer surfaces of the two L-shaped plates away from each other, the inner chambers of the arc-shaped clamping grooves corresponding to the two arc-shaped plates are movably connected with the two arc-shaped plates respectively, and the fastening screws two are threadedly connected with the carrying box.

[0014] Compared with the prior art, the tunnel smoke exhaust device has the following beneficial effects:

[0015] 1. The utility model discloses a tunnel exhaust component can realize the effect of the tunnel flue gas is extracted to the outside, through the driving component can drive the exhaust component starts the effect of operation, can be transported to the outside to the flue gas through the air supply mechanism effect, improved the practicality of device, through the dust removal mechanism can realize the effect of the dust contained in the flue gas is filtered, under the effect of clamping mechanism can realize the installation of corresponding air supply mechanism, and through the gas collection mechanism can facilitate the effect of the flue gas in the tunnel is collected and discharged, improved the practicality and universality of device.

[0016] 2. The utility model discloses through being set up gas collecting hood at the left and right two ends of the bearing box body outer surface, can make the flue gas in the tunnel can be more smoothly extracted into the bearing box body inner chamber, simultaneously through the gas collecting hood can be clamped to the position of corresponding two L -shaped rods, avoid after long -term use loose and fall off, influence the vehicle driving in the tunnel, improved the practicality and universality of device. DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the exhaust component, driving component schematic diagram of the utility model;

[0019] Figure 3 It is the air supply mechanism, dust removal mechanism, clamping mechanism structure schematic diagram of the utility model;

[0020] Figure 4 It is the gas collection mechanism structure schematic diagram of the utility model.

[0021] In the drawing: 1, bearing box body; 2, exhaust component; 21, rectangular frame; 22, rotating shaft; 23, fan; 3, driving component; 31, support plate; 32, installation frame; 33, motor; 4, air supply mechanism; 41, air supply pipe; 42, arc clamping slot; 43, fixed plate; 5, dust removal mechanism; 51, circular frame; 52, dust removal net; 6, clamping mechanism; 61, L-shaped rod; 62, fastening screw one; 7, gas collection mechanism; 71, gas collecting hood; 72, arc plate; 73, L-shaped plate; 74, fastening screw two. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, achieve purposes and effects of the utility model easy to understand, the following in conjunction with specific implementation, further elaborates the utility model.

[0023] For example, Figure 1As shown, a tunnel smoke exhaust device, including a bearing box 1, the inner cavity of the bearing box 1 is fixedly connected with the exhaust component 2 in the middle, which can realize the effect of extracting the tunnel smoke to the outside, the inner cavity of the bearing box 1 is fixedly connected with the driving component 3 in the right part, which can realize the effect of driving the exhaust component 2 to start running, the inner cavity of the bearing box 1 is fixedly connected with the air supply mechanism 4 in the left part and the right part, which can realize the effect of transporting the smoke outward, the inner cavity of the two air supply mechanisms 4 is movably connected with the dust removal mechanism 5, which can realize the effect of filtering the dust contained in the smoke, the side away from each other of the two dust removal mechanisms 5 is fixedly connected with the clamping mechanism 6 in front and back symmetry, which can realize the effect of installing the corresponding air supply mechanism 4, the side away from each other of the outer part of the two air supply mechanisms 4 is movably connected with the gas collection mechanism 7, which can realize the effect of collecting and discharging the smoke in the tunnel conveniently.

[0024] In order to realize the purpose of extracting the tunnel smoke to the outside, referring to Figure 2 , the exhaust component 2 includes a rectangular frame 21, a rotating shaft 22 is rotatably connected in the inner cavity of the rectangular frame 21, a fan 23 is fixedly connected to the outer surface of the rotating shaft 22, which can realize the effect of extracting the tunnel smoke under the driving of the motor 33.

[0025] In order to realize the purpose of driving the exhaust component 2 to start running, referring to Figure 2 , the driving component 3 includes two support plates 31, the outer surface of the two support plates 31 is fixedly connected with the mounting frame 32 at the end close to each other, which can realize the effect of bearing and protecting the motor 33, the mounting frame 32 is installed and fixed with the motor 33, and the left output end of the motor 33 is fixedly connected with the right end of the outer surface of the rotating shaft 22.

[0026] In order to realize the purpose of transporting the smoke outward, referring to Figure 3 , the air supply mechanism 4 includes an air supply pipe 41, an arc-shaped clamping groove 42 is symmetrically opened on the outer surface of the air supply pipe 41 away from the middle part of the inner cavity of the bearing box 1, which can realize the effect of conveniently accommodating and installing the arc-shaped plate 72, a plurality of fixed plates 43 are fixedly connected in a ring array on the outer surface of the air supply pipe 41, which can realize the effect of conveniently and stably installing the air supply pipe 41 in the inner cavity of the bearing box 1, and the plurality of fixed plates 43 are fixedly connected with the four corners of the inner cavity of the bearing box 1.

[0027] In order to realize the purpose of filtering the dust contained in the smoke, referring to Figure 3 , the dust removal mechanism 5 includes a circular frame 51, a dust removal net 52 is installed and fixed in the inner cavity of the circular frame 51, which can realize the effect of filtering and intercepting the dust entering the inner cavity of the air supply pipe 41.

[0028] In order to realize the purpose of installing the corresponding air supply mechanism 4, referring to Figure 3The clamping mechanism 6 includes an L-shaped rod 61. A fastening screw 62 is threadedly connected to the side of the outer surface of the L-shaped rod 61 away from the middle of the inner cavity of the bearing box 1. The right end of the outer surface of the L-shaped rod 61 is fixedly connected to the left end of the outer surface of the circular frame 51. The fastening screw 62 is threadedly connected to the outer surface of the bearing box 1.

[0029] When it is necessary to remove the circular frame 51 from the inner cavity of the air supply pipe 41 for cleaning, rotate the two fastening screws 62 to remove them, and then use the L-shaped rod 61 to slide the corresponding circular frame 51 out of the inner cavity of the air supply pipe 41.

[0030] To facilitate the collection and emission of flue gas in the tunnel, see [reference needed]. Figure 4 The gas collection mechanism 7 includes a gas collection hood 71. An arc-shaped plate 72 is symmetrically fixedly connected to the outer surface of the gas collection hood 71 on the side near the middle of the inner cavity of the bearing housing 1. An L-shaped plate 73 is symmetrically fixedly connected to the outer surface of the gas collection hood 71 on the side away from the middle of the inner cavity of the bearing housing 1. Two fastening screws 74 are symmetrically threaded to the outer surfaces of the two L-shaped plates 73 on the side away from each other. The two arc-shaped plates 72 are movably connected to the inner cavity of the corresponding arc-shaped slots 42. Several fastening screws 74 are threadedly connected to the bearing housing 1.

[0031] When it is necessary to disassemble the circular frame 51, the corresponding air collection cover 71 must first be removed from the outside of the carrier box 1. At this time, by rotating several fastening screws 74, the air collection cover 71 can be removed from the left and right sides of the carrier box 1, and then the circular frame 51 can be slid out from the inner cavity of the corresponding air supply pipe 41.

[0032] It should be noted that the model of motor 33 in this utility model is yzs132s2-2. The specific installation method, circuit connection method and control method of motor 33 are all conventional designs, and this utility model will not describe them in detail.

[0033] The working principle of this utility model is as follows: When it is necessary to exhaust the smoke in the tunnel, the drive motor 33 drives the fan 23 to start rotating, so that the smoke in the tunnel is discharged to the outside along the inner cavity of the bearing box 1. During this process, the dust contained in the smoke entering the inner cavity of the two air supply pipes 41 is filtered and intercepted, so that the smoke in the tunnel will be discharged to the outside through the inner cavity of the bearing box 1. When it is necessary to clean or replace the surface of the two dust removal screens 52, firstly, several sets of fastening screws 74 are rotated off the surface of the bearing box 1, and then the two air collection hoods 71 ​​are removed. At this time, several fastening screws 62 are rotated off the surface of the corresponding L-shaped rods 61. Then, the two L-shaped rods 61 are lifted and the circular frame 51 is slid outward from the inner cavity of the corresponding air supply pipe 41 to be removed, so that the surface of the dust removal screen 52 can be cleaned.

[0034] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A tunnel smoke extraction device comprising a carrier box (1), characterized in that: The inner chamber of the bearing box (1) is fixedly connected with an exhaust assembly (2), the right part of the inner chamber of the bearing box (1) is fixedly connected with a driving assembly (3), the left and right parts of the inner chamber of the bearing box (1) are symmetrically fixedly connected with air supply mechanisms (4), the interiors of the two air supply mechanisms (4) are movably connected with dust removal mechanisms (5), the sides away from each other of the two dust removal mechanisms (5) are fixedly connected with clamping mechanisms (6) in front and back symmetry, and the sides away from each other of the exteriors of the two air supply mechanisms (4) are movably connected with gas collecting mechanisms (7).

2. A tunnel smoke extraction device according to claim 1, characterized in that: The exhaust assembly (2) comprises a rectangular frame (21), a rotating shaft (22) is rotatably connected to the middle part of the inner chamber of the rectangular frame (21), and a fan (23) is fixedly connected to the middle part of the outer surface of the rotating shaft (22).

3. A tunnel smoke extraction device according to claim 2, characterised in that: The driving assembly (3) comprises two support plates (31), the ends of the outer surfaces of the two support plates (31) close to each other are fixedly connected with a mounting frame (32) in common, a motor (33) is fixedly installed in the inner chamber of the mounting frame (32), and the left part of the output end of the motor (33) is fixedly connected with the right end of the outer surface of the rotating shaft (22).

4. A tunnel smoke extraction device according to claim 1, characterized in that: The air supply mechanism (4) comprises an air supply pipe (41), arc-shaped clamping grooves (42) in communication with the outside are symmetrically formed on the ends of the outer surface of the air supply pipe (41) away from the middle part of the inner chamber of the bearing box (1), a plurality of fixed plates (43) are fixedly connected in a ring array on the outer surface of the air supply pipe (41), and the inner chamber of the bearing box (1) is fixedly connected with the plurality of fixed plates (43) in common.

5. A tunnel smoke extraction device according to claim 1, characterized in that: The dust removal mechanism (5) comprises a circular frame (51), and a dust removal net (52) is fixedly installed in the inner chamber of the circular frame (51).

6. A tunnel smoke extraction device according to claim 5, characterised in that: The clamping mechanism (6) comprises an L-shaped rod (61), a fastening screw (62) is threadedly connected to the side of the outer surface of the L-shaped rod (61) away from the middle part of the inner chamber of the bearing box (1), the right end of the outer surface of the L-shaped rod (61) is fixedly connected with the left end of the outer surface of the circular frame (51), and the fastening screw (62) is threadedly connected with the outer surface of the bearing box (1).

7. A tunnel smoke extraction device according to claim 4, characterized in that: The gas collecting mechanism (7) comprises a gas collecting cover (71), arc-shaped plates (72) are symmetrically fixedly connected to the side of the outer surface of the gas collecting cover (71) close to the middle part of the inner chamber of the bearing box (1), L-shaped plates (73) are fixedly connected to the side of the outer surface of the gas collecting cover (71) away from the middle part of the inner chamber of the bearing box (1) in front and back symmetry, fastening screws (74) are threadedly connected to the sides away from each other of the outer surfaces of the two L-shaped plates (73) in up and down symmetry, the inner chambers of the two arc-shaped clamping grooves (42) are movably connected with the arc-shaped plates (72) respectively and correspondingly, and the fastening screws (74) are threadedly connected with the bearing box (1).

Citation Information

Patent Citations

  • Ventilation and smoke exhaust device for tunnel

    CN209990495U