CN104514574A - Flexible air pipe air speed automatic adjustment system for tunnel construction - Google Patents
Flexible air pipe air speed automatic adjustment system for tunnel construction Download PDFInfo
- Publication number
- CN104514574A CN104514574A CN201310467994.3A CN201310467994A CN104514574A CN 104514574 A CN104514574 A CN 104514574A CN 201310467994 A CN201310467994 A CN 201310467994A CN 104514574 A CN104514574 A CN 104514574A
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- China
- Prior art keywords
- flexible duct
- controller
- wind speed
- speed automatic
- threaded rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000013500 data storage Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 210000000352 storage cell Anatomy 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 16
- 238000005422 blasting Methods 0.000 abstract description 8
- 239000003517 fume Substances 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 235000015250 liver sausages Nutrition 0.000 abstract 1
- 238000011897 real-time detection Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000000505 pernicious effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a flexible air pipe air speed automatic adjustment system for tunnel construction. The flexible air pipe air speed automatic adjustment system for the tunnel construction comprises a controller, a smoke dust concentration meter, a harmful gas concentration detection unit, an air speed monitor used to perform real time detection on air speed at a pipe orifice of a flexible air pipe to be adjusted and an air speed adjustment device installed on the outer side of the pipe orifice of the flexible air pipe to be adjusted, wherein the air speed adjustment device comprises an upper clamp plate, a lower clamp plate, a push plate which is located on the outer side of the flexible air pipe to be adjusted and can be moved towards the left and the right, a telescopic rod which is installed between the upper clamp plate and the lower clamp pate, and can drive the push plate to move towards the left and the right, and an electric push rod which pushes the telescopic rod, and the telescopic rod comprises a threaded sleeve, an upper threaded rod, a lower threaded rod, an upper slide block installed at the top of the upper threaded rod and a lower slide block installed at the bottom of the lower threaded rod. The flexible air pipe air speed automatic adjustment system for the tunnel construction is simple in structure, reasonable in design, simple and convenient to use and operate, and good in use effect, and can automatically perform corresponding adjustment on the air speed of the flexible air pipe according to concentration of blasting fume and harmful gas around a tunnel face.
Description
Technical field
The invention belongs to tunnel ventilation construction technical field, especially relate to a kind of constructing tunnel flexible duct wind speed automatic regulating system.
Background technology
As everyone knows, ventilation in constructing tunnel is one critical process, its effect carries enough fresh airs in export-oriented hole, hole, discharge blasting fume and pernicious gas that in hole, explosion and transport produce, finally to ensure operating personnel and the needs of machinery to fresh air in hole, air in hole is made to reach country and industry specified standard.In major long tunnel construction, the quality of ventilation effect, directly has influence on the progress of engineering and the healthy of operating personnel.At present, the draft type that domestic and international construction ventilation of tunnel adopts pipeline forced mostly, outside hole, axial flow blower is set, fresh air is delivered to tunnel work face by coupled ventilating duct (being namely fixed on the flexible duct on Tunnel sidewall) by this axial flow blower, and the foul atmosphere in hole is under the squeezing action sending into fresh air in hole, drain into outside hole along the barrel excavated.When tunnel is longer, adopt multiple axial flow blower also, series connection mode to improve air quantity and air supplying distance.In practice of construction process, because explosion in hole is larger with the concentration of transporting blasting fume and the pernicious gas produced after explosion terminates, thus if adjust the mouth of pipe size of flexible duct, then can when air output be constant, the wind speed size of the flexible duct mouth of pipe is adjusted accordingly, thus the blasting fume near face and pernicious gas are discharged outside hole fast.To sum up, nowadays lack simple, the reasonable in design and processing and fabricating of a kind of structure and use easy and simple to handle, that result of use is good constructing tunnel flexible duct wind speed automatic regulating system, it can adjust accordingly flexible duct wind speed automatically according to blasting fume near face and harmful gas concentration size, to carry out improving fast, effectively to air regime near face.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of constructing tunnel flexible duct wind speed automatic regulating system is provided, its structure simple, reasonable in design and use easy and simple to handle, result of use good, automatically can adjust accordingly flexible duct wind speed according to blasting fume near face and harmful gas concentration size.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of constructing tunnel flexible duct wind speed automatic regulating system, it is characterized in that: comprise controller, be laid in the smoke concentration meter of institute construction tunnel face week side, be laid in the harmful gas concentration detecting unit of institute construction tunnel face week side, need to being arranged on the sidewall of construction tunnel hole regulate the wind speed of the flexible duct mouth of pipe carry out the air monitoring instrument of detection in real time and be arranged on the wind-speed adjusting device that need regulate outside the flexible duct mouth of pipe, described smoke concentration meter, harmful gas concentration detecting unit and air monitoring instrument all connect with controller, described wind-speed adjusting device comprises being laid in and describedly need regulate the train wheel bridge above flexible duct, is laid in and describedly need regulates the lower plate below flexible duct, need to regulate outside flexible duct described and the push pedal carrying out moving left and right, be arranged between train wheel bridge and lower plate and the expansion link that push pedal can be driven to carry out moving left and right and the electric pushrod promoted described expansion link, described expansion link comprises screw shell, be arranged on the inside upper part of screw shell and the upper threaded rod that can carry out moving up and down in screw shell, be arranged on screw shell lower inside and the lower threaded rod moved up and down, the top shoe being arranged on threaded rod top can be carried out and be arranged on the sliding block of lower threaded rod bottom in screw shell, the postmedian of described train wheel bridge has and supplies top shoe to carry out the upper hopper chute moved left and right, and the postmedian of described lower plate has and supplies sliding block to carry out the gliding groove moved left and right, described push pedal and electric pushrod are arranged on the side, front and back of screw shell respectively, and the width of described push pedal is less than the spacing between train wheel bridge and lower plate, described push pedal is provided with the displacement transducer its moving displacement being carried out to detection in real time, institute's displacement sensors connects with A/D converter, and described A/D converter connects with controller, described electric pushrod is undertaken driving and being in transmission connection by transmission mechanism between itself and drive motors by drive motors, described drive motors is undertaken controlling by controller and it connects with controller.
Above-mentioned a kind of constructing tunnel flexible duct wind speed automatic regulating system, is characterized in that: described train wheel bridge is laid in directly over lower plate, described train wheel bridge and lower plate are L shape and the two is all fixed on by securing member on the sidewall in institute's construction tunnel hole.
Above-mentioned a kind of constructing tunnel flexible duct wind speed automatic regulating system, is characterized in that: also comprise and to connect with controller and to be carried out the acousto-optic warning unit that controls by controller.
Above-mentioned a kind of constructing tunnel flexible duct wind speed automatic regulating system, is characterized in that: also comprise the timing circuit connected with controller.
Above-mentioned a kind of constructing tunnel flexible duct wind speed automatic regulating system, it is characterized in that: also comprise the data storage cell that storage inside has the airduct wind speed numerical value under different dust concentration condition and the airduct wind speed numerical value under different harmful gas concentration condition, described data storage cell connects with controller.
Above-mentioned a kind of constructing tunnel flexible duct wind speed automatic regulating system, is characterized in that: described securing member is fastening bolt.
The present invention compared with prior art has the following advantages:
1, structure is simple and circuit design reasonable, and input cost is low, install lay easy.
2, the simple and easy-to-connect of circuit.
3, use simple to operate and intelligence degree is high.
4, result of use is good and practical value is high, automatically can adjust accordingly flexible duct wind speed, to carry out improving fast, effectively to air regime near face according to blasting fume near face and harmful gas concentration size.
In sum, structure of the present invention simple, reasonable in design and use easy and simple to handle, result of use good, automatically can adjust accordingly flexible duct wind speed according to blasting fume near face and harmful gas concentration size.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Fig. 2 is the structural representation of wind-speed adjusting device of the present invention.
Description of reference numerals:
1-controller; 2-data storage cell; 3-smoke concentration meter;
4-harmful gas concentration detecting unit; 5-air monitoring instrument; 6-1-train wheel bridge;
6-2-lower plate; 7-fastening bolt; 8-push pedal;
9-electric pushrod; 10-screw shell; 11-1-upper threaded rod;
11-2-lower threaded rod; 12-top shoe; 13-sliding block;
14-displacement transducer; 15-A/D converter; 16-drive motors;
17-acousto-optic warning unit; 18-timing circuit; 19-parameter input unit;
20-display unit; 21-wireless communication module.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the present invention includes controller 1, be laid in the smoke concentration meter 3 of institute construction tunnel face week side, be laid in the harmful gas concentration detecting unit 4 of institute construction tunnel face week side, the need to being arranged on the sidewall of construction tunnel hole regulate the wind speed of the flexible duct mouth of pipe carry out the air monitoring instrument 5 of detection in real time and be arranged on the wind-speed adjusting device that need regulate outside the flexible duct mouth of pipe, described smoke concentration meter 3, harmful gas concentration detecting unit 4 and air monitoring instrument 5 all connect with controller 1.Described wind-speed adjusting device comprises being laid in and describedly need regulate the train wheel bridge 6-1 above flexible duct, is laid in and describedly need regulates the lower plate 6-2 below flexible duct, need to regulate outside flexible duct described and the push pedal 8 carrying out moving left and right, be arranged between train wheel bridge 6-1 and lower plate 6-2 and the expansion link that push pedal 8 can be driven to carry out moving left and right and the electric pushrod 9 promoted described expansion link.Described expansion link comprises screw shell 10, the upper threaded rod 11-1 that the inside upper part and carrying out in screw shell 10 being arranged on screw shell 10 moves up and down, the lower threaded rod 11-2 that the lower inside and carrying out in screw shell 10 being arranged on screw shell 10 moves up and down, be arranged on the top shoe 12 on threaded rod 11-1 top and be arranged on the sliding block 13 of lower threaded rod 11-2 bottom, the postmedian of described train wheel bridge 6-1 has and supplies top shoe 12 to carry out the upper hopper chute moved left and right, the postmedian of described lower plate 6-2 has and supplies sliding block 13 to carry out the gliding groove moved left and right.Described push pedal 8 and electric pushrod 9 are arranged on the side, front and back of screw shell 10 respectively, and the width of described push pedal 8 is less than the spacing between train wheel bridge 6-1 and lower plate 6-2.Described push pedal 8 is provided with the displacement transducer 14 its moving displacement being carried out to detection in real time, institute's displacement sensors 14 connects with A/D converter 15, and described A/D converter 15 connects with controller 1.Described electric pushrod 9 is undertaken driving by drive motors 16 and is in transmission connection by transmission mechanism between itself and drive motors 16.Described drive motors 16 is undertaken controlling by controller 1 and it connects with controller 1.
In the present embodiment, described train wheel bridge 6-1 is laid in directly over lower plate 6-2, and described train wheel bridge 6-1 and lower plate 6-2 is L shape and the two is all fixed on by securing member on the sidewall in institute's construction tunnel hole.
Meanwhile, the present invention also comprises and to connect with controller 1 and to be carried out the acousto-optic warning unit 17 that controls by controller 1.
In the present embodiment, the present invention also comprises the timing circuit 18 connected with controller 1.
In the present embodiment, the present invention also comprises the data storage cell 2 that storage inside has the airduct wind speed numerical value under different dust concentration condition and the airduct wind speed numerical value under different harmful gas concentration condition, and described data storage cell 2 connects with controller 1.
In the present embodiment, described securing member is fastening bolt 7.
During actual use, described securing member also can adopt the tightening member of other type.
Meanwhile, the present invention also comprises the parameter input unit 19, display unit 20 and the wireless communication module 21 that connect with controller 1 respectively.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (6)
1. a constructing tunnel flexible duct wind speed automatic regulating system, it is characterized in that: comprise controller (1), be laid in the smoke concentration meter (3) of institute construction tunnel face week side, be laid in the harmful gas concentration detecting unit (4) of institute construction tunnel face week side, need to being arranged on the sidewall of construction tunnel hole regulate the wind speed of the flexible duct mouth of pipe carry out the air monitoring instrument (5) of detection in real time and be arranged on the wind-speed adjusting device that need regulate outside the flexible duct mouth of pipe, described smoke concentration meter (3), harmful gas concentration detecting unit (4) and air monitoring instrument (5) all connect with controller (1), described wind-speed adjusting device comprises being laid in and describedly need regulate the train wheel bridge above flexible duct (6-1), is laid in and describedly need regulates the lower plate below flexible duct (6-2), be positioned at and describedly need regulate outside flexible duct and the push pedal (8) carrying out moving left and right, to be arranged between train wheel bridge (6-1) and lower plate (6-2) and the expansion link that push pedal (8) can be driven to carry out moving left and right and the electric pushrod (9) promoted described expansion link, described expansion link comprises screw shell (10), the upper threaded rod (11-1) that the inside upper part and carrying out in screw shell (10) being arranged on screw shell (10) moves up and down, the lower threaded rod (11-2) that the lower inside and carrying out in screw shell (10) being arranged on screw shell (10) moves up and down, be arranged on the top shoe (12) on threaded rod (11-1) top and be arranged on the sliding block (13) of lower threaded rod (11-2) bottom, the postmedian of described train wheel bridge (6-1) has and supplies top shoe (12) to carry out the upper hopper chute moved left and right, the postmedian of described lower plate (6-2) has and supplies sliding block (13) to carry out the gliding groove moved left and right, described push pedal (8) and electric pushrod (9) are arranged on the side, front and back of screw shell (10) respectively, and the width of described push pedal (8) is less than the spacing between train wheel bridge (6-1) and lower plate (6-2), described push pedal (8) is provided with the displacement transducer (14) its moving displacement being carried out to detection in real time, institute's displacement sensors (14) connects with A/D converter (15), and described A/D converter (15) connects with controller (1), described electric pushrod (9) is undertaken driving by drive motors (16) and is in transmission connection by transmission mechanism between itself and drive motors (16), described drive motors (16) is undertaken controlling by controller (1) and it connects with controller (1).
2. according to a kind of constructing tunnel flexible duct wind speed automatic regulating system according to claim 1, it is characterized in that: described train wheel bridge (6-1) is laid in directly over lower plate (6-2), described train wheel bridge (6-1) and lower plate (6-2) are L shape and the two is all fixed on by securing member on the sidewall in institute's construction tunnel hole.
3. according to a kind of constructing tunnel flexible duct wind speed automatic regulating system described in claim 1 or 2, it is characterized in that: also comprise and to connect with controller (1) and to be carried out the acousto-optic warning unit (17) that controls by controller (1).
4., according to a kind of constructing tunnel flexible duct wind speed automatic regulating system described in claim 1 or 2, it is characterized in that: also comprise the timing circuit (18) connected with controller (1).
5. according to a kind of constructing tunnel flexible duct wind speed automatic regulating system described in claim 1 or 2, it is characterized in that: also comprise the data storage cell (2) that storage inside has the airduct wind speed numerical value under different dust concentration condition and the airduct wind speed numerical value under different harmful gas concentration condition, described data storage cell (2) connects with controller (1).
6., according to a kind of constructing tunnel flexible duct wind speed automatic regulating system described in claim 1 or 2, it is characterized in that: described securing member is fastening bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467994.3A CN104514574A (en) | 2013-09-29 | 2013-09-29 | Flexible air pipe air speed automatic adjustment system for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467994.3A CN104514574A (en) | 2013-09-29 | 2013-09-29 | Flexible air pipe air speed automatic adjustment system for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104514574A true CN104514574A (en) | 2015-04-15 |
Family
ID=52790395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310467994.3A Pending CN104514574A (en) | 2013-09-29 | 2013-09-29 | Flexible air pipe air speed automatic adjustment system for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104514574A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833773A (en) * | 2015-04-21 | 2015-08-12 | 浙江科技学院 | Composite mobile tunnel blasting gas dust real time monitoring monocontrol system device |
| CN105526791A (en) * | 2016-01-31 | 2016-04-27 | 王晓晓 | Full-automatic high-efficiency and energy-conservation textile dryer for precise drying |
| CN105673059A (en) * | 2016-01-25 | 2016-06-15 | 浙江省交通规划设计研究院 | Method for arranging fan of road tunnel with ramp at exit |
| CN105715290A (en) * | 2016-01-25 | 2016-06-29 | 浙江省交通规划设计研究院 | Method for arranging fan in highway tunnel with ramp at entrance and exit |
| CN109341961A (en) * | 2018-10-26 | 2019-02-15 | 中交第二公路工程局有限公司 | A kind of the air leak rate of air curtain test macro and method of High aititude construction ventilation of tunnel air hose |
-
2013
- 2013-09-29 CN CN201310467994.3A patent/CN104514574A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833773A (en) * | 2015-04-21 | 2015-08-12 | 浙江科技学院 | Composite mobile tunnel blasting gas dust real time monitoring monocontrol system device |
| CN104833773B (en) * | 2015-04-21 | 2016-06-15 | 浙江科技学院 | A kind of compound portable Tunnel Blasting gas dirt Real-Time Monitoring single control system and device processed |
| CN105673059A (en) * | 2016-01-25 | 2016-06-15 | 浙江省交通规划设计研究院 | Method for arranging fan of road tunnel with ramp at exit |
| CN105715290A (en) * | 2016-01-25 | 2016-06-29 | 浙江省交通规划设计研究院 | Method for arranging fan in highway tunnel with ramp at entrance and exit |
| CN105715290B (en) * | 2016-01-25 | 2018-02-23 | 浙江省交通规划设计研究院 | There is the vcehicular tunnel blower fan method to set up of ring road gateway |
| CN105673059B (en) * | 2016-01-25 | 2018-03-27 | 浙江省交通规划设计研究院 | There is the vcehicular tunnel blower fan method to set up of ring road outlet |
| CN105526791A (en) * | 2016-01-31 | 2016-04-27 | 王晓晓 | Full-automatic high-efficiency and energy-conservation textile dryer for precise drying |
| CN105526791B (en) * | 2016-01-31 | 2018-01-05 | 中山市必星电子设备有限公司 | The weaving dryer that a kind of Full automatic high-efficiency energy-saving is precisely dried |
| CN109341961A (en) * | 2018-10-26 | 2019-02-15 | 中交第二公路工程局有限公司 | A kind of the air leak rate of air curtain test macro and method of High aititude construction ventilation of tunnel air hose |
| CN109341961B (en) * | 2018-10-26 | 2021-06-18 | 中交第二公路工程局有限公司 | Air leakage rate testing system and method for ventilation air pipe in high-altitude tunnel construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150415 |