CN114294041A - Long-distance mountain tunnel ventilation device and application method thereof - Google Patents
Long-distance mountain tunnel ventilation device and application method thereof Download PDFInfo
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- CN114294041A CN114294041A CN202210085115.XA CN202210085115A CN114294041A CN 114294041 A CN114294041 A CN 114294041A CN 202210085115 A CN202210085115 A CN 202210085115A CN 114294041 A CN114294041 A CN 114294041A
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- 238000009423 ventilation Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 239000012634 fragment Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The invention discloses a long-distance mountain tunnel ventilation device which comprises a tunnel body, an opening-closing type ventilation assembly and a ventilation valve flap reset assembly, wherein the opening-closing type ventilation assembly and the ventilation valve flap reset assembly are arranged on the tunnel body in an array mode. The invention belongs to the technical field of tunnel ventilation, and particularly relates to a long-distance mountain tunnel ventilation device and a using method thereof; in order to simplify the structure and reduce the installation and use cost, the invention creatively provides an opening-closing type ventilation assembly and a ventilation valve clack reset assembly based on an air pressure structure principle and a self-service principle, the valve clack is driven to open and close by air flow driven by a passing vehicle, and the guide can be formed in the process of opening the valve clack, so that the technical effect of automatically controlling the opening and closing of the ventilation opening is realized under the condition of no active driving device.
Description
Technical Field
The invention belongs to the technical field of tunnel ventilation, and particularly relates to a long-distance mountain tunnel ventilation device and a using method thereof.
Background
Long distance tunnel relies on the air that advances of vehicle can't take one end to the other end (the inefficiency of airing exhaust), consequently often need install the exhaust fan at the top, and the continuous flow of guide air erects the exhaust fan and not only needs installation cost and installation controlling part, still need lay special circuit and periodic overhaul, and the maintenance cost is also higher.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a long-distance mountain tunnel ventilation device which is free of driving, can be driven by a passing vehicle to open and close and only can allow air to flow in a single direction and a using method thereof; in order to simplify the structure and reduce the installation and use cost, the invention creatively provides an opening-closing type ventilation assembly and a ventilation valve clack reset assembly based on an air pressure structure principle and a self-service principle, the valve clack is driven to open and close by air flow driven by a passing vehicle, and the guide can be formed in the process of opening the valve clack, so that the technical effect of automatically controlling the opening and closing of the ventilation opening is realized under the condition of no active driving device.
The technical scheme adopted by the invention is as follows: the invention provides a long-distance mountain tunnel ventilation device which comprises a tunnel body, an opening-closing ventilation assembly and a ventilation valve flap reset assembly, wherein the opening-closing ventilation assembly and the ventilation valve flap reset assembly are arranged on the tunnel body in an array mode.
Further, be equipped with tunnel arc top on the tunnel body, the tunnel body is equipped with the tunnel flat roof on tunnel arc top, the tunnel body is equipped with the tunnel ventilation hole at tunnel flat roof array.
Furthermore, the opening-closing type ventilation assembly comprises a rotating base, a rotating support shaft and a linear rotary valve clack, the rotating base is colored and matched with the bottom surface of the flat top of the tunnel, a base round hole is formed in the rotating base, the rotating support shaft is clamped in the base round hole, the rotating support shaft is fixedly connected with the rotating base, and the linear rotary valve clack is rotatably arranged on the rotating support shaft.
Preferably, the linear rotary valve clack is provided with a valve clack clearance groove, the rotary base is clamped in the valve clack clearance groove, the linear rotary valve clack is provided with a valve clack circular hole, the linear rotary valve clack is rotatably arranged on the rotary supporting shaft through the valve clack circular hole, the linear rotary valve clack is provided with a valve clack lower valve plate used for sensing air flow, and the linear rotary valve clack is further provided with a valve clack upper valve plate used for guiding flow.
Furthermore, the ventilation valve clack reset assembly comprises an elastic sheet supporting seat and an elastic sheet body, wherein the elastic sheet supporting seat is arranged on the bottom surface of the tunnel flat top, one end of the elastic sheet body is arranged on the elastic sheet supporting seat, and the other end of the elastic sheet body is arranged on the valve clack lower valve plate.
The use method of the long-distance mountain tunnel ventilation device mainly comprises the following steps:
the method comprises the following steps: when a vehicle passes through the tunnel, airflow in the same direction as the vehicle running direction is generated in the tunnel, and the airflow blows on the lower valve plate of the valve clack to press the lower valve plate of the valve clack towards the direction of the elastic sheet supporting seat;
step two: the valve plate on the valve clack rotates towards the direction of the elastic sheet body under the compression of airflow, and meanwhile, the elastic sheet supporting seat is compressed to deform the elastic sheet supporting seat;
step three, when the lower valve plate of the valve clack rotates towards the elastic sheet body, the upper valve plate of the valve clack leaves the ventilation hole of the tunnel, and forms a certain included angle with the flat top of the tunnel;
step four: and the airflow flowing along the tunnel flat top enters the tunnel vent hole along the valve plate on the valve clack and is discharged to the outside.
The invention with the structure has the following beneficial effects:
(1) the technical effect of automatically controlling the opening and closing of the air vent is realized under the condition that no active driving device is arranged;
(2) the valve clack is driven to open and close by airflow driven by a passing vehicle, so that a large amount of maintenance and use cost is saved;
(3) the guide of the air flow is realized through a simple structure, and a large amount of manufacturing and installation cost is saved;
(4) when the airflow flows beyond a specific direction, the linear rotary valve clack is opened, so that the gas can be discharged in one direction only, and the condition that waste gas is taken in and out in a pipeline cannot be generated.
Drawings
Fig. 1 is a front view of a long-distance mountain tunnel ventilation device according to the present invention;
fig. 2 is a perspective view of a long-distance mountain tunnel ventilation device according to the present invention;
fig. 3 is an exploded view of a ventilation device for a long-distance mountain tunnel according to the present invention;
fig. 4 is a top view of a long-distance mountain tunnel ventilation device according to the present invention;
fig. 5 is a bottom view of a long-distance mountain tunnel ventilation device according to the present invention;
FIG. 6 is a cross-sectional view taken along section line A-A of FIG. 3;
fig. 7 is a partial enlarged view of the point i in fig. 6.
Wherein, 1, tunnel body, 2, open-close type ventilation assembly, 3, ventilation valve clack reset assembly, 4, tunnel arc top, 5, tunnel flat top, 6, tunnel ventilation hole, 7, rotation base, 8, rotation back shaft, 9, sharp rotation type valve clack, 10, base round hole, 11, valve clack keep away the position groove, 12, valve clack round hole, 13, valve clack lower valve plate, 14, valve clack upper valve plate, 15, shell fragment supporting seat, 16, shell fragment body.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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 in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 7, the invention provides a long-distance mountain tunnel ventilation device, which comprises a tunnel body 1, an opening and closing type ventilation assembly 2 and a ventilation valve flap reset assembly 3, wherein the opening and closing type ventilation assembly 2 and the ventilation valve flap reset assembly 3 are arranged on the tunnel body 1 in an array manner.
The tunnel body 1 is provided with a tunnel arc top 4, the tunnel body 1 is provided with a tunnel flat top 5 on the tunnel arc top 4, and the tunnel body 1 is provided with tunnel vent holes 6 on the tunnel flat top 5 in an array manner.
Open-close type ventilation module 2 includes rotation base 7, rotation back shaft 8 and sharp rotation type valve clack 9, and 7 colors of rotation base and the bottom surface of tunnel flat top 5 are equipped with base round hole 10 on the rotation base 7, and the block of rotation back shaft 8 is located in base round hole 10, and rotation back shaft 8 and rotation base 7 rigid coupling rotate and locate on rotation back shaft 8, sharp rotation type valve clack 9.
Preferably, a valve clack avoiding groove 11 is formed in the linear rotary valve clack 9, the rotary base 7 is clamped in the valve clack avoiding groove 11, a valve clack circular hole 12 is formed in the linear rotary valve clack 9, the linear rotary valve clack 9 is rotatably arranged on the rotary supporting shaft 8 through the valve clack circular hole 12, a valve clack lower valve plate 13 used for sensing air flow is arranged on the linear rotary valve clack 9, and a valve clack upper valve plate 14 used for guiding flow is further arranged on the linear rotary valve clack 9.
The ventilation valve clack reset component 3 comprises an elastic sheet supporting seat 15 and an elastic sheet body 16, wherein the elastic sheet supporting seat 15 is arranged on the bottom surface of the tunnel flat top 5, one end of the elastic sheet body 16 is arranged on the elastic sheet supporting seat 15, and the other end of the elastic sheet body 16 is arranged on the valve clack lower valve plate 13.
When the vehicle-mounted tunnel valve is used, when a vehicle passes through the tunnel, airflow in the same direction as the traveling direction of the vehicle is generated in the tunnel, and the airflow blows on the valve flap lower valve plate 13 to press the valve flap lower valve plate 13 towards the direction of the elastic sheet supporting seat 15;
the valve flap upper valve plate 14 rotates towards the direction of the elastic sheet body 16 under the pressure of airflow, and presses the elastic sheet supporting seat 15 to deform the elastic sheet supporting seat;
when the valve flap lower valve plate 13 rotates towards the elastic sheet body 16, the valve flap upper valve plate 14 leaves the tunnel vent hole 6 and forms a certain included angle with the tunnel flat top 5;
the airflow flowing along the tunnel flat top 5 enters the tunnel vent hole 6 along the valve plate 14 on the valve clack and is discharged to the outside;
the above is the overall working process of the invention, and the steps are repeated when the device is used next time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a long distance massif tunnel ventilation unit which characterized in that: the tunnel ventilation device comprises a tunnel body (1), an opening-closing type ventilation assembly (2) and a ventilation valve flap reset assembly (3), wherein the opening-closing type ventilation assembly (2) and the ventilation valve flap reset assembly (3) are arranged on the tunnel body (1) in an array mode.
2. The long-distance mountain tunnel ventilation device of claim 1, wherein: be equipped with tunnel arc top (4) on tunnel body (1), tunnel body (1) is equipped with tunnel flat top (5) on tunnel arc top (4), tunnel body (1) is equipped with tunnel ventilation hole (6) on tunnel flat top (5) array.
3. The long-distance mountain tunnel ventilation device of claim 2, wherein: open-close type ventilation module (2) is including rotating base (7), rotation back shaft (8) and sharp rotation type valve clack (9), rotate base (7) colour and with the bottom surface of tunnel flat top (5), be equipped with base round hole (10) on rotation base (7), rotation back shaft (8) block is located in base round hole (10), rotation back shaft (8) and rotation base (7) rigid coupling, sharp rotation type valve clack (9) are rotated and are located on rotation back shaft (8).
4. The long-distance mountain tunnel ventilation device of claim 3, wherein: be equipped with the valve clack on sharp rotation type valve clack (9) and keep away position groove (11), it locates in valve clack keeps away position groove (11) to rotate base (7) block, be equipped with valve clack round hole (12) on sharp rotation type valve clack (9), sharp rotation type valve clack (9) are rotated through valve clack round hole (12) and are located on rotation back shaft (8), be equipped with valve clack lower valve block (13) that are used for feeling the air current on sharp rotation type valve clack (9), still be equipped with valve block (14) on the valve clack that are used for the water conservancy diversion on sharp rotation type valve clack (9).
5. The long-distance mountain tunnel ventilation device of claim 4, wherein: the ventilation valve clack reset assembly (3) comprises an elastic sheet supporting seat (15) and an elastic sheet body (16), the bottom surface of the tunnel flat top (5) is arranged on the elastic sheet supporting seat (15), one end of the elastic sheet body (16) is arranged on the elastic sheet supporting seat (15), and the other end of the elastic sheet body (16) is arranged on the valve clack lower valve plate (13).
6. The long-distance mountain tunnel ventilation device of claim 5, wherein: the installation direction of the linear rotary valve clack (9) is a right-angle opening and is opposite to the vehicle advancing direction.
7. The use method of the long-distance mountain tunnel ventilation device according to claim 6, characterized by comprising the following steps:
the method comprises the following steps: when a vehicle passes through the tunnel, airflow in the same direction as the vehicle running direction is generated in the tunnel, and the airflow blows to the valve flap lower valve plate (13) to press the valve flap lower valve plate (13) towards the direction of the elastic sheet supporting seat (15);
step two: the valve plate (14) on the valve clack rotates towards the direction of the elastic sheet body (16) under the pressure of airflow, and the elastic sheet supporting seat (15) is pressed to deform;
step three, when the valve flap lower valve plate (13) rotates towards the elastic sheet body (16), the valve flap upper valve plate (14) leaves the tunnel vent hole (6) and forms a certain included angle with the tunnel flat top (5);
step four: the air flow flowing along the tunnel flat top (5) enters the tunnel vent hole (6) along the valve sheet (14) on the valve flap and is discharged to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085115.XA CN114294041B (en) | 2022-01-25 | 2022-01-25 | Long-distance mountain tunnel ventilation device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210085115.XA CN114294041B (en) | 2022-01-25 | 2022-01-25 | Long-distance mountain tunnel ventilation device and application method thereof |
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| Publication Number | Publication Date |
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| CN114294041A true CN114294041A (en) | 2022-04-08 |
| CN114294041B CN114294041B (en) | 2023-12-05 |
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| CN202210085115.XA Active CN114294041B (en) | 2022-01-25 | 2022-01-25 | Long-distance mountain tunnel ventilation device and application method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306702A (en) * | 2013-06-28 | 2013-09-18 | 中铁十七局集团第三工程有限公司 | Inflatable isolating device for tunnel ventilation construction |
| JP2016148156A (en) * | 2015-02-10 | 2016-08-18 | 大成建設株式会社 | Double soundproof wall |
| CN106499428A (en) * | 2016-10-13 | 2017-03-15 | 同济大学 | Tunnel natural ventilation system |
| CN109630184A (en) * | 2019-01-18 | 2019-04-16 | 中铁十九局集团第七工程有限公司 | Powerless ventilation device and tunnel |
| CN210714756U (en) * | 2019-10-24 | 2020-06-09 | 浙江众汇交通工程有限公司 | Tunnel ventilation mechanism |
| CN112065494A (en) * | 2020-09-15 | 2020-12-11 | 中国水利水电第四工程局有限公司 | Ventilation unit suitable for long and large tunnel construction |
| CN113124171A (en) * | 2021-04-13 | 2021-07-16 | 俞伟光 | Scour prevention stop valve |
-
2022
- 2022-01-25 CN CN202210085115.XA patent/CN114294041B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306702A (en) * | 2013-06-28 | 2013-09-18 | 中铁十七局集团第三工程有限公司 | Inflatable isolating device for tunnel ventilation construction |
| JP2016148156A (en) * | 2015-02-10 | 2016-08-18 | 大成建設株式会社 | Double soundproof wall |
| CN106499428A (en) * | 2016-10-13 | 2017-03-15 | 同济大学 | Tunnel natural ventilation system |
| CN109630184A (en) * | 2019-01-18 | 2019-04-16 | 中铁十九局集团第七工程有限公司 | Powerless ventilation device and tunnel |
| CN210714756U (en) * | 2019-10-24 | 2020-06-09 | 浙江众汇交通工程有限公司 | Tunnel ventilation mechanism |
| CN112065494A (en) * | 2020-09-15 | 2020-12-11 | 中国水利水电第四工程局有限公司 | Ventilation unit suitable for long and large tunnel construction |
| CN113124171A (en) * | 2021-04-13 | 2021-07-16 | 俞伟光 | Scour prevention stop valve |
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| Publication number | Publication date |
|---|---|
| CN114294041B (en) | 2023-12-05 |
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