CN114294041B - 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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- CN114294041B CN114294041B CN202210085115.XA CN202210085115A CN114294041B CN 114294041 B CN114294041 B CN 114294041B CN 202210085115 A CN202210085115 A CN 202210085115A CN 114294041 B CN114294041 B CN 114294041B
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- 238000009423 ventilation Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction 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
- 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 open-close type ventilation assembly and a ventilation valve clack resetting assembly, wherein the open-close type ventilation assembly and the ventilation valve clack resetting 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 the open-close type ventilation assembly and the ventilation valve clack resetting assembly based on the air pressure structure principle and the self-service principle, the valve clack is driven to open and close by the air flow driven by the passing vehicle, the guide can be formed in the process of opening the valve clack, and 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 tunnels can not bring air at one end to the other end (exhaust efficiency is low) by virtue of the running of vehicles, so that an exhaust fan is often required to be installed at the top to guide the continuous flow of the air, the installation cost and the installation control of the exhaust fan are required to be erected, a special circuit is required to be paved, regular overhauls are required to be carried out, and the maintenance cost is also high.
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, is driven to open and close by passing vehicles and can only allow air to flow unidirectionally and a use method thereof; in order to simplify the structure and reduce the installation and use cost, the invention creatively provides an opening and closing type ventilation assembly and a ventilation valve clack resetting assembly based on the air pressure structure principle and the self-service principle, the valve clack is driven to open and close by the air flow driven by the passing vehicle, the guide can be formed in the process of opening the valve clack, and 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 open-close type ventilation assembly and a ventilation valve clack resetting assembly, wherein the open-close type ventilation assembly and the ventilation valve clack resetting assembly are arranged on the tunnel body in an array mode.
Further, the tunnel body is provided with a tunnel arc-shaped top, the tunnel body is provided with a tunnel flat top on the tunnel arc-shaped top, and the tunnel body is provided with tunnel ventilation holes in an array on the tunnel flat top.
Further, open-close type ventilation subassembly includes rotation base, rotation supporting axle and sharp rotation type valve clack, rotation base look and with the bottom surface of tunnel flat top, be equipped with the base round hole on the rotation base, rotation supporting axle block is located in the base round hole, rotation supporting axle and rotation base rigid coupling, sharp rotation type valve clack rotates to be located on the rotation supporting axle.
Preferably, the valve clack clearance groove is formed in the linear rotary valve clack, the rotary base is clamped in the valve clack clearance groove, a valve clack round hole is formed in the linear rotary valve clack, the linear rotary valve clack is rotationally arranged on the rotary supporting shaft through the valve clack round hole, the linear rotary valve clack is provided with a valve clack lower valve plate for sensing air flow, and the linear rotary valve clack is also provided with a valve clack upper valve plate for guiding air.
Further, the ventilation valve clack reset component 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 application method of the long-distance mountain tunnel ventilation device mainly comprises the following steps:
step one: when a vehicle passes through, air flow with the same running direction as the vehicle is generated in the tunnel, and the air flow is blown onto the valve clack lower valve plate to press the valve clack lower valve plate 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 the air flow, and simultaneously compresses the elastic sheet supporting seat to deform;
step three, when the lower valve plate of the valve clack rotates towards the elastic plate body, the upper valve plate of the valve clack leaves the tunnel ventilation hole and forms a certain included angle with the tunnel flat top;
step four: the air flow flowing along the flat top of the tunnel enters the tunnel ventilation hole along the upper valve plate of the valve clack and is discharged to the outside.
The beneficial effects obtained by the invention by adopting the structure are as follows:
(1) Under the condition of no active driving device, the technical effect of automatically controlling the opening and closing of the vent is realized;
(2) The valve clack is driven to open and close by the air flow driven by the passing vehicle, so that a great amount of maintenance and use cost is saved;
(3) The air flow is guided through a simple structure, so that a great amount of manufacturing and installation cost is saved;
(4) When the airflow flows in a direction exceeding a specific direction, the linear rotation valve clack is opened, so that the condition that the gas can only be discharged in one direction and the waste gas is hugged and disgorged in the pipeline is avoided.
Drawings
Fig. 1 is a front view of a ventilation device for a long-distance mountain tunnel according to the present invention;
fig. 2 is a perspective view of a ventilation device for a long-distance mountain tunnel according to the present invention;
FIG. 3 is an exploded view of a long distance mountain tunnel ventilation device according to the present invention;
fig. 4 is a top view of a ventilation device for a long-distance mountain tunnel according to the present invention;
fig. 5 is a bottom view of a ventilation device for a long-distance mountain tunnel 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 i in fig. 6.
Wherein, 1, a tunnel body, 2, an open-close type ventilation assembly, 3, a ventilation valve clack resetting assembly, 4, a tunnel arc top, 5, a tunnel flat top, 6, a tunnel ventilation hole, 7, a rotation base, 8, a rotation support shaft, 9, a linear rotation valve clack, 10, a base round hole, 11, a valve clack clearance groove, 12, a valve clack round hole, 13, a valve clack lower valve plate, 14, a valve clack upper valve plate, 15, a spring plate supporting seat, 16 and a spring plate body.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1 to 7, the invention provides a ventilation device for a long-distance mountain tunnel, which comprises a tunnel body 1, an open-close type ventilation assembly 2 and a ventilation valve clack resetting assembly 3, wherein the open-close type ventilation assembly 2 and the ventilation valve clack resetting assembly 3 are arranged on the tunnel body 1 in an array.
The tunnel body 1 is provided with a tunnel arc-shaped top 4, the tunnel body 1 is provided with a tunnel flat top 5 on the tunnel arc-shaped top 4, and the tunnel body 1 is provided with tunnel ventilation holes 6 in an array on the tunnel flat top 5.
The open-close type ventilation assembly 2 comprises a rotation base 7, a rotation support shaft 8 and a linear rotation type valve clack 9, wherein the rotation base 7 is colored and is arranged on the bottom surface of the tunnel flat top 5, a base round hole 10 is formed in the rotation base 7, the rotation support shaft 8 is clamped in the base round hole 10, the rotation support shaft 8 is fixedly connected with the rotation base 7, and the linear rotation type valve clack 9 is rotationally arranged on the rotation support shaft 8.
Preferably, the linear rotation type valve clack 9 is provided with a valve clack clearance groove 11, the rotation base 7 is clamped in the valve clack clearance groove 11, the linear rotation type valve clack 9 is provided with a valve clack round hole 12, the linear rotation type valve clack 9 is rotationally arranged on the rotation support shaft 8 through the valve clack round hole 12, the linear rotation type valve clack 9 is provided with a valve clack lower valve plate 13 for sensing air flow, and the linear rotation type valve clack 9 is also provided with a valve clack upper valve plate 14 for guiding flow.
The ventilation valve clack resetting component 3 comprises a spring plate supporting seat 15 and a spring plate body 16, wherein the spring plate supporting seat 15 is arranged on the bottom surface of the tunnel flat top 5, one end of the spring plate body 16 is arranged on the spring plate supporting seat 15, and the other end of the spring plate body 16 is arranged on the valve clack lower valve plate 13.
When a vehicle passes through, air flow with the same running direction as the vehicle is generated in the tunnel, and is blown onto the valve clack lower valve plate 13 to press the valve clack lower valve plate 13 towards the direction of the elastic sheet supporting seat 15;
the valve plate 14 on the valve clack rotates towards the direction of the elastic sheet body 16 under the pressure of the air flow, and simultaneously presses the elastic sheet supporting seat 15 to deform;
when the lower valve plate 13 of the valve clack rotates towards the elastic plate body 16, the upper valve plate 14 of the valve clack leaves the tunnel ventilation hole 6 and forms a certain included angle with the tunnel flat top 5;
the air flow flowing along the tunnel flat top 5 enters the tunnel ventilation hole 6 along the valve clack upper valve plate 14 and is discharged to the outside;
the whole working flow of the invention is just the above, and the step is repeated when the invention is used next time.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (3)
1. A long distance mountain tunnel ventilation unit, its characterized in that: the novel ventilation device comprises a tunnel body (1), an opening and closing type ventilation assembly (2) and a ventilation valve clack resetting assembly (3), wherein the opening and closing type ventilation assembly (2) and the ventilation valve clack resetting assembly (3) are arranged on the tunnel body (1) in an array manner;
the tunnel body (1) is provided with a tunnel arc-shaped top (4), the tunnel body (1) is provided with a tunnel flat top (5) on the tunnel arc-shaped top (4), and the tunnel body (1) is provided with tunnel ventilation holes (6) in an array on the tunnel flat top (5);
the opening-closing type ventilation assembly (2) comprises a rotation base (7), a rotation support shaft (8) and a linear rotation type valve clack (9), wherein the rotation base (7) is arranged on the bottom surface of a tunnel flat top (5), a base round hole (10) is formed in the rotation base (7), the rotation support shaft (8) is clamped in the base round hole (10), the rotation support shaft (8) is fixedly connected with the rotation base (7), and the linear rotation type valve clack (9) is rotationally arranged on the rotation support shaft (8);
the device is characterized in that a valve clack clearance groove (11) is formed in the linear rotary valve clack (9), the rotary base (7) is clamped in the valve clack clearance groove (11), a valve clack round hole (12) is formed in the linear rotary valve clack (9), the linear rotary valve clack (9) is rotationally arranged on the rotary supporting shaft (8) through the valve clack round hole (12), a valve clack lower valve plate (13) for sensing air flow is arranged on the linear rotary valve clack (9), and a valve clack upper valve plate (14) for guiding air flow is also arranged on the linear rotary valve clack (9);
the ventilation valve clack reset assembly (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).
2. A long distance mountain tunnel ventilation device as claimed in claim 1, wherein: the installation direction of the linear rotary valve clack (9) is a right angle opening opposite to the vehicle travelling direction.
3. A method of using the long distance mountain tunnel ventilation device of claim 2, comprising the steps of:
step one: when a vehicle passes through, air flow with the same running direction as the vehicle is generated in the tunnel, and the air flow is blown onto the valve clack lower valve plate (13) to press the valve clack 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 air flow, and simultaneously presses the elastic sheet supporting seat (15) to deform;
step three, when the valve clack lower valve plate (13) rotates towards the elastic plate body (16), the valve clack upper valve plate (14) leaves the tunnel ventilation 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 ventilation hole (6) along the valve plate (14) on the valve clack 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114294041A CN114294041A (en) | 2022-04-08 |
| CN114294041B true CN114294041B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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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 |
|---|---|
| CN114294041A (en) | 2022-04-08 |
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