CN213298359U - Ventilation device for tunnel construction - Google Patents
Ventilation device for tunnel construction Download PDFInfo
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- CN213298359U CN213298359U CN202021161376.8U CN202021161376U CN213298359U CN 213298359 U CN213298359 U CN 213298359U CN 202021161376 U CN202021161376 U CN 202021161376U CN 213298359 U CN213298359 U CN 213298359U
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- fan
- dust cover
- tunnel construction
- telescopic pipe
- fixed base
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Abstract
The utility model relates to a ventilation unit technical field especially relates to a ventilation unit for tunnel construction, include: a storage groove is arranged in the fixed base; the fan is arranged on the fixed base; the fan is arranged in the dust cover, and the dust cover is arranged above the fixed base; a noise reduction layer is arranged on the inner side of the dust cover; the telescopic pipe is arranged at the air inlet end of the dust cover and is detachably connected with the dust cover. The utility model provides a ventilation unit who is used for tunnel construction among the prior art exist the great problem of regulation air inlet end length and noise of being not convenient for. The dustproof cover is arranged on the outer side of the fan, and the noise reduction layer is arranged on the inner side of the dustproof cover, so that on one hand, the fan can be prevented from being failed or accumulated dust due to the fact that external dust enters the fan; on the other hand, the noise generated by the fan can be absorbed, so that the overall noise of the ventilation device is reduced. The telescopic pipe can be extended/compressed, so that the telescopic pipe can adapt to tunnels with different lengths and is convenient for workers to adjust.
Description
Technical Field
The utility model relates to a ventilation unit technical field especially relates to a ventilation unit for tunnel construction.
Background
The tunnel is buried in the geological layer one kind underground building, the numerous tunnel that so builds of mountain range of our country is also numerous, the tunnel is often built and is used for railway tunnel and highway tunnel, because the tunnel excavates and cuts in the massif or underground, especially the construction of underground tunnel is carried out under sealed environment more, if the air can't obtain sufficient replacement can produce serious production accident, consequently need the replacement of air of fan, people usually adopt and run through ventilation equipment to tunnel inside, ventilate.
The existing axial flow fan can meet the ventilation supply problem of construction in the tunnel. Since the length of the tunnel may vary, it is inconvenient to adjust the length of the air intake end by the conventional ventilating device, and thus it is inconvenient to change the position of the ventilating device. In addition, because the environment in tunnel is comparatively airtight, the noise that current ventilation unit produced is great, and staff's operational environment is comparatively abominable.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a ventilation unit for tunnel construction for there is the great problem of the regulation air inlet end length of being not convenient for and noise in the ventilation unit who is used for tunnel construction among the solution prior art. The dustproof cover is arranged on the outer side of the fan, and the noise reduction layer is arranged on the inner side of the dustproof cover, so that on one hand, the fan can be prevented from being failed or accumulated dust due to the fact that external dust enters the fan; on the other hand, the noise generated by the fan can be absorbed, so that the overall noise of the ventilation device is reduced, and a more comfortable working environment is provided for workers. The telescopic pipe plays a role in air supply, and can be extended/compressed, so that the telescopic pipe can adapt to tunnels with different lengths, and is convenient for workers to adjust.
To achieve the above and other related objects, the present invention provides a ventilation apparatus for tunnel construction, which includes:
the fixing base is provided with a storage groove;
the fan is arranged on the fixed base;
the fan is arranged in the dust cover, and the dust cover is arranged above the fixed base; a noise reduction layer is arranged on the inner side of the dust cover;
the telescopic pipe is arranged at the air inlet end of the dust cover and is detachably connected with the dust cover.
Design the storing groove on unable adjustment base, when ventilation unit was out of work, can take off flexible pipe and compress and put into the storing groove, be convenient for accomodate spare part.
The dustproof cover is arranged on the outer side of the fan, and the noise reduction layer is arranged on the inner side of the dustproof cover, so that on one hand, the fan can be prevented from being failed or accumulated dust due to the fact that external dust enters the fan; on the other hand, the noise generated by the fan can be absorbed, so that the overall noise of the ventilation device is reduced, and a more comfortable working environment is provided for workers.
The telescopic pipe plays a role in air supply, and can be extended/compressed, so that the telescopic pipe can adapt to tunnels with different lengths, and is convenient for workers to adjust.
The noise reduction layer is generally made of loose porous materials such as slag wool, crest sponge, foaming glue and the like. The noise reduction principle is as follows: the sound wave goes deep into the gap of the material, the gap is mostly open holes which are mutually communicated inside, and the gap is subjected to air molecule friction and viscous resistance, and the fine fibers are subjected to mechanical vibration, so that the sound energy is converted into heat energy.
In an embodiment of the utility model, the universal wheel is installed to unable adjustment base's bottom, be provided with spacing piece on the universal wheel.
Through the design universal wheel, be convenient for remove whole ventilation unit. When the ventilation device needs to move forwards for a short distance, the limiting sheet is only required to be pulled open, and the fixing base is pushed to move forwards.
In an embodiment of the present invention, the sliding door is installed at the open end of the storage groove. Through the design push-and-pull door be convenient for open and close, better save spare part avoids it to scatter at the in-process that promotes.
In an embodiment of the utility model, first filter screen is installed to the air-out end of dust cover, the second filter screen is installed to the air inlet end of flexible pipe. Through installing first filter screen and second filter screen, all can avoid outside dust to get into the fan and lead to the fan to break down or the deposition, can reduce the interior dust content of tunnel through the circulation of gas (outside gas does not introduce the dust, can take away the dust when inside gas outwards circulates) in addition.
In an embodiment of the present invention, a fixing frame is installed outside the air inlet end of the extension tube, and the second filter screen is installed on the fixing frame; the outer side of the air outlet pipe of the telescopic pipe is provided with a first clamping ring, and the dust cover is provided with a second clamping ring corresponding to the first clamping ring. Through the design mounting bracket, can fix the one end of flexible pipe outside the tunnel to guarantee that ventilation unit introduces fresh air always. Through the joint, convenient to detach and installation to easily adjust ventilation unit's overall position.
In an embodiment of the present invention, the first clamping ring is provided with an L-shaped protrusion, and the second clamping ring is provided with a groove corresponding to the L-shaped protrusion. Through designing L type arch, the joint is more firm.
In an embodiment of the present invention, the flexible tube is uniformly provided with a fixing ring. Through the design of the fixing ring, the problem that the middle part of the telescopic pipe collapses to cause air supply blocking is avoided.
As above, the utility model discloses a ventilation unit for tunnel construction has following beneficial effect:
1. design the storing groove on unable adjustment base, when ventilation unit was out of work, can take off flexible pipe and compress and put into the storing groove, be convenient for accomodate spare part.
2. The dustproof cover is arranged on the outer side of the fan, and the noise reduction layer is arranged on the inner side of the dustproof cover, so that on one hand, the fan can be prevented from being failed or accumulated dust due to the fact that external dust enters the fan; on the other hand, the noise generated by the fan can be absorbed, so that the overall noise of the ventilation device is reduced, and a more comfortable working environment is provided for workers. In addition, through installing first filter screen and second filter screen, all can avoid outside dust to get into the fan and lead to fan trouble or deposition, can reduce dust content in the tunnel through the gas flow in addition.
3. The telescopic pipe plays a role of air supply, and can be extended/compressed; in addition, the universal wheels are designed, so that the whole ventilation device is convenient to move; thereby being suitable for tunnels with different lengths and being convenient for workers to adjust. Through the design mounting bracket, can fix the one end of flexible pipe outside the tunnel to guarantee that ventilation unit introduces fresh air always. Through the joint, convenient to detach and installation to easily adjust ventilation unit's overall position.
Drawings
Fig. 1 is a schematic overall view of a ventilation device for tunnel construction according to an embodiment of the present invention.
Fig. 2 is a schematic view of the embodiment of the present invention, in which a sliding door is in a closed state in a ventilation device for tunnel construction.
Fig. 3 is a schematic view of the embodiment of the present invention, in which a sliding door is in an open state in a ventilation device for tunnel construction.
Fig. 4 is a schematic view of the inside of a dust cover in a ventilation device for tunnel construction according to an embodiment of the present invention.
Fig. 5 is a schematic view of a telescopic pipe in a ventilation device for tunnel construction according to an embodiment of the present invention.
Fig. 6 is a schematic view of a fixing frame in a ventilation device for tunnel construction according to an embodiment of the present invention.
Fig. 7 is a schematic view illustrating a first snap ring and a second snap ring of a ventilation device for tunnel construction in a snap-fit state according to an embodiment of the present invention.
Fig. 8 is a schematic view illustrating a first snap ring and a second snap ring of a ventilation device for tunnel construction in a separated state according to an embodiment of the present invention.
Description of the element reference numerals
1-fixing a base; 2-a storage tank; 3, a sliding door; 4-universal wheels; 5-limiting sheet; 6, a fan; 7-a dust cover; 8-a noise reduction layer; 9-a telescopic pipe; 10-a fixed ring; 11-a first screen; 12-a second screen; 13-a fixed frame; 14-a first snap ring; 15-a second snap ring; 16-L shaped projection.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 8. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1, the present invention provides a ventilation apparatus for tunnel construction, the ventilation apparatus comprising:
referring to fig. 2, a fixed base 1 is provided with a storage groove 2, and referring to fig. 3, a sliding door 3 is installed at an opening end of the storage groove 2; referring to fig. 1, a universal wheel 4 is mounted at the bottom of the fixed base 1, and a limiting piece 5 is arranged on the universal wheel 4;
referring to fig. 2 and 3, a fan 6 (generally, an axial flow fan is adopted), wherein the fan 6 is installed on the fixed base 1;
referring to fig. 4, a dust cover 7, wherein the fan 6 is installed in the dust cover 7, and the dust cover 7 is installed above the fixed base 1; a noise reduction layer 8 (made of foam rubber) is arranged on the inner side of the dust cover 7;
referring to fig. 5, a telescopic tube 9, the telescopic tube 9 is installed at an air inlet end of the dust cover 7 and detachably connected with the dust cover 7; referring to fig. 5, the extension tubes 9 are uniformly provided with fixing rings 10;
referring to fig. 4, a first filter screen 11 is installed at an air outlet end of the dust cover 7; referring to fig. 6, a fixing frame 13 is installed at the outer side of the air inlet end of the telescopic pipe 9, and a second filter screen 12 is installed on the fixing frame 13; referring to fig. 5, a first clamping ring 14 is installed at the outer side of the air outlet pipe of the telescopic pipe 9, and a second clamping ring 15 corresponding to the first clamping ring 14 is arranged on the dust cover 7; referring to fig. 7 and 8, an L-shaped protrusion 16 is disposed on the first snap ring 14, and a groove corresponding to the L-shaped protrusion 16 is disposed on the second snap ring 15.
The working process is as follows:
primary work: the fixing base 1 is pushed to a preset position, and the lower limiting sheet 5 is pulled, so that the fixing base 1 is prevented from shifting. The sliding door 3 is opened to take out the telescopic pipe 9 and elongate the telescopic pipe 9 (the telescopic pipe 9 can be elongate firstly at the initial time), one end of the telescopic pipe 9 with the fixed mount 13 is fixed at the air inlet, and one end of the telescopic pipe 9 with the first clamping ring 14 is connected with the dust cover 7. Typically by rotating the first snap ring 14 so that the L-shaped projection 16 enters the recess and snaps into place. The fan 6 rotates, so that the air at the air inlet is filtered by the first filter screen 11 and then enters the fan 6, and is filtered by the second filter screen 12 and then used for replacing the air in the tunnel.
Adjusting the position: the limiting piece 5 is shifted to be in a non-limiting state, and the limiting piece 5 is shifted at a preset position, so that the fixed base 1 is prevented from shifting, and the telescopic pipe 9 is stretched to a corresponding length. If the ventilation is not performed any more, the first clamping ring 14 can be rotated to separate the extension tube 9 from the dust cover 7, and the extension tube 9 is compressed and placed into the storage groove 2.
To sum up, the utility model arranges the dust cover 7 outside the fan 6 and arranges the noise reduction layer 8 inside the dust cover 7, on one hand, the fan 6 can be prevented from being out of order or accumulating dust due to external dust entering the fan 6; on the other hand, the noise generated by the fan 6 can be absorbed, so that the overall noise of the ventilation device is reduced, and a comfortable working environment is provided for workers. The telescopic pipe 9 plays a role of air supply, and the telescopic pipe 9 can be extended/compressed, so that the telescopic pipe can adapt to tunnels with different lengths, and is convenient for workers to adjust. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. A ventilation device for tunnel construction, characterized in that the ventilation device comprises:
the device comprises a fixed base (1), wherein a storage groove (2) is formed in the fixed base (1);
the fan (6), the said fan (6) is installed on said fixed base (1);
a dust cover (7), wherein the fan (6) is installed in the dust cover (7), and the dust cover (7) is installed above the fixed base (1); a noise reduction layer (8) is arranged on the inner side of the dust cover (7);
the telescopic pipe (9) is installed at the air inlet end of the dust cover (7) and is detachably connected with the dust cover (7).
2. A ventilating device for tunnel construction according to claim 1, wherein: the universal wheel (4) is installed to the bottom of unable adjustment base (1), be provided with spacing piece (5) on universal wheel (4).
3. A ventilating device for tunnel construction according to claim 1 or 2, wherein: and a sliding door (3) is installed at the opening end of the storage groove (2).
4. A ventilating device for tunnel construction according to claim 1, wherein: first filter screen (11) are installed to the air-out end of dust cover (7), second filter screen (12) are installed to the air inlet end of flexible pipe (9).
5. A ventilation apparatus for tunnel construction according to claim 4, wherein: a fixed frame (13) is arranged on the outer side of the air inlet end of the telescopic pipe (9), and the second filter screen (12) is arranged on the fixed frame (13); a first clamping ring (14) is installed on the outer side of the air outlet pipe of the telescopic pipe (9), and a second clamping ring (15) corresponding to the first clamping ring (14) is arranged on the dust cover (7).
6. A ventilation apparatus for tunnel construction according to claim 5, wherein: the first clamping ring (14) is provided with an L-shaped bulge (16), and the second clamping ring (15) is provided with a groove corresponding to the L-shaped bulge (16).
7. A ventilation apparatus for tunnel construction according to claim 1 or 4, wherein: the telescopic pipe (9) is provided with a fixing ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161376.8U CN213298359U (en) | 2020-06-19 | 2020-06-19 | Ventilation device for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161376.8U CN213298359U (en) | 2020-06-19 | 2020-06-19 | Ventilation device for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213298359U true CN213298359U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021161376.8U Active CN213298359U (en) | 2020-06-19 | 2020-06-19 | Ventilation device for tunnel construction |
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| Country | Link |
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| CN (1) | CN213298359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607372A (en) * | 2021-08-05 | 2021-11-05 | 安徽理工大学 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
| CN116971816A (en) * | 2023-09-11 | 2023-10-31 | 湖南天晟源消防科技有限公司 | Tunnel construction ventilation unit |
-
2020
- 2020-06-19 CN CN202021161376.8U patent/CN213298359U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607372A (en) * | 2021-08-05 | 2021-11-05 | 安徽理工大学 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
| CN113607372B (en) * | 2021-08-05 | 2023-12-19 | 安徽理工大学 | Long-pressure short-pumping ventilation dust fall experiment platform air compression system |
| CN116971816A (en) * | 2023-09-11 | 2023-10-31 | 湖南天晟源消防科技有限公司 | Tunnel construction ventilation unit |
| CN116971816B (en) * | 2023-09-11 | 2024-03-29 | 湖南天晟源消防科技有限公司 | Tunnel construction ventilation unit |
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