CN207033480U - Exhaust system for constructing tunnel - Google Patents
Exhaust system for constructing tunnel Download PDFInfo
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- CN207033480U CN207033480U CN201721030021.3U CN201721030021U CN207033480U CN 207033480 U CN207033480 U CN 207033480U CN 201721030021 U CN201721030021 U CN 201721030021U CN 207033480 U CN207033480 U CN 207033480U
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- air intake
- exhaust system
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Abstract
The utility model discloses a kind of exhaust system for constructing tunnel, including air intake lane and return airway, the front end of air intake lane and return airway is face, air intake lane is connected with return airway leading portion by a leading portion transverse passage-way, at least one stage casing transverse passage-way is provided between leading portion transverse passage-way and tunnel portal, stage casing transverse passage-way is connected between air intake lane and return airway and closed using sealing curtain, the ventilation blower towards tunnel front end is provided with air intake lane, the ventilation blower backwards to tunnel front end is provided with return airway；Ventilation blower includes Blower Housing and the support for supporting Blower Housing；The two bottom sides of support are provided with the resilient damping board that two parallel intervals are set, and infusion bag is provided between two resilient damping boards and ground, and cast elastomers are poured in infusion bag and form elastomer layer；The utility model can reduce the transmission of vibration earthward from ventilation blower so that vibration is weakened, and has preferably vibration damping and noise reduction, optimizes tunneling operation environment.
Description
Technical field
It the utility model is related to constructing tunnel field, more particularly to a kind of exhaust system for constructing tunnel.
Background technology
In constructing tunnel, due to explosive charge, internal combustion engine use, excavate when stratum in release pernicious gas, and
The factors such as workmen's breathing, make air in hole very dirty, have harmful effect to workmen.Therefore, during constructing tunnel
Ventilation be to provide good construction environment, upkeep operation personnel's health, ensure smooth construction, improve operating efficiency, ensure
The essential condition of construction quality.
Existing exhaust system (also referred to as ventilating system) generally comprises air intake lane and return airway, before air intake lane and return airway
Hold and be connected for face, air intake lane and return airway leading portion by a leading portion transverse passage-way, leading portion transverse passage-way and tunnel portal it
Between be provided with least one stage casing transverse passage-way, stage casing transverse passage-way is connected between air intake lane and return airway and sealed using sealing curtain
Close, the ventilation blower towards tunnel front end is provided with air intake lane, the ventilation blower backwards to tunnel front end is then provided with return airway.It is logical
Blower fan is usually to be fixedly welded with support in the bottom of Blower Housing, then is fixed on ground by support；Powerful ventilation blower
Strong vibration is produced at work, and this conduct vibrations to ground generate huge noise, are not only degrading tunneling operation
Environment, and directly affect city environmental quality.
Therefore, to solve the above problems, just needing a kind of exhaust system for constructing tunnel, can reduce from ventilation blower
Vibration transmission earthward so that vibration is weakened, and has preferably vibration damping and noise reduction, to optimize tunneling operation ring
Border, improve city environmental quality.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of exhaust system for constructing tunnel, can reduce and
The transmission of the vibration of self-ventilation machine earthward so that vibration is weakened, and has preferably vibration damping and noise reduction, to optimize tunnel
Road operating environment, improve city environmental quality.
Exhaust system of the present utility model for constructing tunnel, including air intake lane and return airway, the air intake lane and return
The front end of air way is that face, the air intake lane and return airway leading portion are connected by a leading portion transverse passage-way, and the leading portion is horizontal
Be provided with least one stage casing transverse passage-way between passage and tunnel portal, the stage casing transverse passage-way be connected to air intake lane and return airway it
Between and closed using sealing curtain, the ventilation blower towards tunnel front end is provided with the air intake lane, is set in the return airway
It is equipped with the ventilation blower backwards to tunnel front end；The ventilation blower includes Blower Housing and the support for supporting Blower Housing；It is described
The two bottom sides of support are provided with the resilient damping board that two parallel intervals are set, and are provided with and fill between two resilient damping boards and ground
Bag is noted, cast elastomers are poured in the infusion bag and form elastomer layer.
Further, the resilient damping board and infusion bag are strip, and the length of the resilient damping board and infusion bag
It is consistent with the length direction of support to spend direction.
Further, the resilient damping board is made of thermoplastic polyester elastomer's material.
Further, shock absorber is provided between two resilient damping boards, the top surface of the shock absorber is close to the bottom of support
Ground is close in face, the bottom surface of the shock absorber；The shock absorber includes the upper seat assembly for being connected with support and is connected to
Ground and horizontal movement to upper seat assembly form the lower seat assembly of damping, and the upper seat assembly, which slidably supports, to be set
It is placed on the lower seat assembly；
What the upper seat assembly included upper pedestal and was arranged on upper pedestal at least two is used for the up-down vibration of support
The vibration absorber of vibration damping, the upper pedestal correspond to each vibration absorber and are provided with installation cavity, and each vibration absorber includes
Torsion damping mechanism and the motion for being converted to rotary motion and driving torsion damping mechanism to work the up-down vibration of support
Switching mechanism, the torsion damping mechanism include being arranged in a manner of it can relatively rotate and seal axle sleeve in installation cavity and by
Upper pedestal extends the first spacer and the second spacer of formation into installation cavity, the outside of the axle sleeve and first spacer and the
Two spacers, which are respectively formed, to be close to set and the installation cavity is divided into the first damping cavity and the second damping cavity, first damping cavity
With damping fluid is filled with second damping cavity；
The first arc rotor block and the second arc rotor block, the first arc rotor have radially been symmetrically formed on the axle sleeve
Body is located in the first damping cavity and is divided into the first working chamber and the second working chamber, and the first arc rotor block and the first resistance
The first damp channel formed with the first working chamber of connection and the second working chamber, the second arc rotor block between the cavity wall of Buddhist nun's chamber
In the second damping cavity and it is divided into the 3rd working chamber and the 4th working chamber, and the second arc rotor block and second damps
The second damp channel formed with the 3rd working chamber of connection and the 4th working chamber between the cavity wall of chamber.
Further, the movement conversion mechanism include screw rod and it is interior be placed in axle sleeve form a fixed connection and and screw flight
The thread bush of cooperation；The upper end of the screw rod is provided with the connecting plate for being connected with transformer bottom.
Further, the lower seat assembly includes substrate and is integrally formed at least one sleeve being arranged on substrate, each
It is provided with sleeve and its internal cavities is divided into two-part piston and is connected with piston and stretches out sleeve and upper pedestal bottom
The piston rod of portion's connection, formed with annular damper passage between the circumference and sleeve lining of the piston, it is filled with each sleeve
Damping fluid.
Further, the top of each sleeve is each formed with slideway, and the bottom of the upper pedestal corresponds to each chute and set
It is equipped with the slide rail being slidably matched.
Further, the piston rod is the U-shaped structure being made up of the horizontal body portion of both sides vertical portion and connection vertical portion, and it is horizontal
Body portion is set through the sleeve, and the bottom of the upper end of both sides vertical portion with the upper pedestal is fixedly connected.
Further, the outlet air end of the ventilation blower in the air intake lane is provided with the aerator for being used for oxygenation in tunnel.
Further, the system also includes being used to gather in tunnel the environmental monitoring unit of environmental data and for according to collection
The environmental data control ventilation blower and the automatic control unit of aerator work arrived；The automatic control unit includes being sequentially connected
Fuzzy controller, PLC and wind oxygen adjustment control device, the fuzzy controller, which passes through data transmission unit and environment, supervises
Unit connection is surveyed, the wind oxygen adjustment control device is connected with ventilation blower and aerator respectively；
D/A converting units, the D/A converting units bag are connected between the PLC and wind oxygen adjustment control device
The D/A converter being connected with the output end of PLC is included, is connected to output end and the regulation control of wind oxygen of the D/A converter
Signal amplifier between the input of device processed, and it is connected to the input of D/A converter and the output end of signal amplifier
Between overvoltage crowbar；
The environmental monitoring unit be used for detect dust concentration dust sensor, for detect carbonomonoxide concentration one
Aoxidize carbon sensor, the air velocity transducer for detecting wind speed, the hydrogen sulfide sensor for detecting concentration of hydrogen sulfide, for visiting
Survey the nitric oxide sensor of nitric oxide concentration, the oxygen sensor for detecting oxygen concentration and for detecting methane concentration
Methane transducer.
The beneficial effects of the utility model：
Exhaust system of the present utility model for constructing tunnel, it is perfused with and pours in the infusion bag below resilient damping board
Note elastomer so that cast elastomers form elastomer layer in infusion bag, and resilient damping board forms compound with elastomer layer
Damping layer, Stability Analysis of Structures, the resistance to mechanical intensity of the compound damping layer are high, and ventilation blower vibration damping, noise reduction and operation can be supplied to flat
The advantages of steady, it can effectively reduce the transmission of vibration earthward from ventilation blower so that vibration is weakened, and is had and is preferably subtracted
Shake and noise reduction, to optimize tunneling operation environment, improve city environmental quality.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural representation of ventilating system of the present utility model；
Fig. 2 is the connection figure of ventilation blower of the present utility model and shock absorber；
Fig. 3 is the top view of shock absorber of the present utility model；
Fig. 4 is A-A sectional views in Fig. 3；
Fig. 5 is the theory diagram of automatic control unit of the present utility model.
Embodiment
As shown in Figures 1 to 5：The exhaust system for constructing tunnel of the present embodiment, including air intake lane 11 and return airway
12, the front end of the air intake lane 11 and return airway 12 is face 13, and the air intake lane 11 and the leading portion of return airway 12 pass through one
Leading portion transverse passage-way 14 is connected, and at least one stage casing transverse passage-way 15, institute are provided between the leading portion transverse passage-way 14 and tunnel portal
Stage casing transverse passage-way 15 is stated to be connected between air intake lane 11 and return airway 12 and closed using sealing curtain 16, the air intake lane 11
In be provided with ventilation blower 2 towards tunnel front end, the ventilation blower 2 backwards to tunnel front end is provided with the return airway 12；It is described
Ventilation blower 2 includes Blower Housing 21 and the support 22 for supporting Blower Housing 21；The two bottom sides of the support 22 are provided with two
The resilient damping board 4 that parallel interval is set, is provided with infusion bag 5, cast elastomers between two resilient damping boards 4 and ground 3
5a is poured in the infusion bag 5 and forms elastomer layer；Arrow represents gas flow direction in Fig. 1, wherein with open circles
Arrow represent dirty gas；Air intake lane 11 and return airway 12 are set up in parallel, and stage casing transverse passage-way 15 is closed using sealing curtain, to keep away
Exempt to produce channelling, influence ventilation effect；Elastomer layer is by the mixed cast elastomers 5a of various ingredients liquid, each component
Technical requirement is：Viscosity 100mPa.S-50000mPa.S, length of flow 0.1m-10m, flowing time 1.00min-
300min, hardening time 0.10h-36h；Elastomer layer instillation process is as follows：In the stickup infusion bags 5 of resilient damping board 4 times, by liquid
In body cast elastomers 5a injection infusion bags 5, elastomer layer is formed after cured；Infusion bag 5 can certainly be placed on pre-
If in the groove of shape, so that the cast elastomers 5a in infusion bag 5 is fixed into default shape.
By being perfused with cast elastomers 5a in the infusion bag 5 below resilient damping board 4 so that cast elastomers 5a exists
Elastomer layer is formed in infusion bag 5, resilient damping board 4 forms compound damping layer with elastomer layer, the compound damping layer
Stability Analysis of Structures, resistance to mechanical intensity are high, the advantages of being supplied to the vibration damping of ventilation blower 2, noise reduction and operate steadily, can effectively reduce and come from
The transmission for vibrating earthward 3 of ventilation blower 2 so that vibration is weakened, and has preferably vibration damping and noise reduction, to optimize tunnel
Road operating environment, improve city environmental quality.
In the present embodiment, the resilient damping board 4 and infusion bag 5 are strip, and the resilient damping board 4 and perfusion
The length direction of bag 5 is consistent with the length direction of support 22, reaches comprehensive, sufficient vibration damping；The resilient damping board 4 uses
Thermoplastic polyester elastomer's material is made, and thermoplastic polyester elastomer's material property is excellent, can significantly extend the use of resilient damping board 4
In the life-span, improve its stability, it is ensured that the safety and stability that ventilation blower 2 is run.
In the present embodiment, shock absorber 6 is provided between two resilient damping boards 4, the top surface of the shock absorber 6 is close to machine
The bottom surface of seat 22, ground 3 is close in the bottom surface of the shock absorber 6；The quantity of shock absorber 6 can be arranged as required to, and shock absorber 6 is set
Position among two resilient damping board 44；The shock absorber 7 includes the upper seat assembly for being connected with support 22 and is connected to
Loading plate 4 and horizontal movement to upper seat assembly form the lower seat assembly of damping, and upper seat assembly, which slidably supports, to be set
It is placed on lower seat assembly；Upper seat assembly include upper pedestal 61 and be arranged on upper pedestal 61 at least two be used for support 22
The vibration absorber of up-down vibration vibration damping, the corresponding each vibration absorber of upper pedestal 61 are provided with installation cavity, and each vibration absorber includes turning round
Turn damper mechanism and the motion for being converted to rotary motion and driving torsion damping mechanism to work the up-down vibration of support turns
Converting mechanism, torsion damping mechanism include the axle sleeve 62 being arranged in a manner of it can relatively rotate and seal in installation cavity and by the seats of honour
Body 61 extends the first spacer 63 and the second spacer 64 of formation, the outside of axle sleeve 62 and the first spacer 63 and second into installation cavity
Spacer 64, which is respectively formed, to be close to set and installation cavity is divided into the first damping cavity and the second damping cavity, the first damping cavity and the second resistance
Buddhist nun's intracavitary is filled with damping fluid；As shown in figure 4, upper pedestal 61 is square structure, four vibration dampings are set altogether on upper pedestal 61
Device, four vibration absorbers are advisable with being symmetrical arranged.
Due to the presence of vibration absorber in upper seat assembly, when the working stand 22 of ventilation blower 2 produces the vibration of above-below direction,
The up and down motion of support 22 is converted to rotary motion by movement conversion mechanism, and then drives torsion damping mechanism to be operated to machine
The up and down motion of seat 22 is damped, and so as to effectively buffer the vibration that the in the vertical direction of support 22 occurs, reduces the production of noise
It is raw；When the displacement of horizontal direction occurs in support 22, now upper seat assembly forms the damping structure of an entirety with lower seat assembly,
Support 22 drives upper seat assembly to move in the horizontal direction, and this horizontal movement that seat assembly can be to upper seat assembly at present forms resistance
Buddhist nun, so as to buffer the vibration of support 22 in the horizontal direction.
The first arc rotor block 65 and the second arc rotor block 66 are radially symmetrically formed on axle sleeve 62, the first arc turns
Daughter 65 is located in the first damping cavity and is divided into the first working chamber 67 and the second working chamber 68, and the first arc rotor block
Formed with the first damp channel 69 for connecting the first working chamber 67 and the second working chamber 68 between 65 and the cavity wall of the first damping cavity,
Two arc rotor blocks 66 are located in the second damping cavity and are divided into the 3rd working chamber 610 and the 4th working chamber 611, and second
Formed with connecting the second of the 3rd working chamber 610 and the 4th working chamber 611 between arc rotor block 66 and the cavity wall of the second damping cavity
Damp channel 612；Formed and rotated with upper pedestal 61 in corresponding installation cavity by bearing 22 on the outside of the axial both ends of axle sleeve 62
Support coordinates, and the outside of axle sleeve 62 and the axial both ends of installation cavity form and sealed, and position forms damping cavity in the middle.
In the present embodiment, movement conversion mechanism include screw rod 613 and it is interior be placed in axle sleeve 62 form a fixed connection and and spiral shell
The thread bush 614 that the screw thread of bar 613 coordinates；The upper end of screw rod 613 is provided with the connecting plate for being connected with support bottom, screw rod
613 with the screw thread of thread bush 614 coordinate, when being moved up and down by support, thread bush 614 can be driven to rotate, thread bush 614 with
Axle sleeve 62 is fixedly and coaxially connected, and so as to drive axle sleeve 62 and arc rotor block to rotate, realizes torsion damping.
In the present embodiment, lower seat assembly includes substrate 615 and is integrally formed at least one sleeve being arranged on substrate 615
616, it is provided with each sleeve 616 and its internal cavities is divided into two-part piston 617 and is connected and stretches with piston 617
Go out the piston rod 618 that sleeve 616 is connected with the bottom of upper pedestal 61, formed with annular between the circumference and the inwall of sleeve 616 of piston 617
Damp channel 619, each sleeve 616 is interior to be filled with damping fluid；Wherein, substrate 615 is fixedly connected with the bridge pier of bridge, sleeve
616 can be to be set up in parallel multiple on substrate 615, and each sleeve 616 forms one with internal piston 617 and piston rod 618
The individual damper to upper seat assembly horizontal movement, and under high speed load effect, the damper that multiple sleeves 616 are formed can be common
Effect, has more preferable effect；Each sleeve 616 is provided at both ends with end cap 620, and is tightly connected, piston rod 618 and sleeve
616 end cap seal coordinates.
In the present embodiment, the top of each sleeve 616 is each formed with slideway, and the bottom of upper pedestal 61 corresponds to each chute and set
It is equipped with the slide rail 621 being slidably matched；Chute 621 is T-slot, dovetail groove or dovetail groove, and slide rail shape is adapted with chute.
In the present embodiment, piston rod 618 is the U-shaped structure being made up of the horizontal body portion of both sides vertical portion and connection vertical portion,
Its horizontal body portion is set through sleeve 616, and the bottom of the upper end of both sides vertical portion with upper pedestal 61 is fixedly connected；Piston rod 618
Can be to be bolted, or connected by being welded in upper pedestal 61.
In the present embodiment, the distance of two adjacent ventilation blowers 2 is 30m-50m in the air intake lane 11 and return airway 12, with shape
Into enough air intakes and air draft；In addition, in order to improve the oxygen content in tunnel, the outlet air end of the ventilation blower 2 in air intake lane 11
Provided with the aerator 8 for oxygenation in tunnel, aerator 8 can be for example molecular-sieve oxygen generator structure, and it uses the suction of molecular sieve
Attached performance, by physical principle, using huge discharge oilless (oil free) compressor as power, the nitrogen in air is separated with oxygen, most
The oxygen of high concentration is obtained eventually, and production oxygen is rapid, oxygen concentration is high.
In the present embodiment, the system also includes being used to gather in tunnel the environmental monitoring unit of environmental data and for basis
The automatic control unit that the environmental data control ventilation blower 2 and aerator 8 collected works；The automatic control unit include according to
Fuzzy controller 92, PLC 93 and the wind oxygen adjustment control device 94 of secondary connection, the fuzzy controller 92 is passed by data
Defeated unit 91 is connected with environmental monitoring unit, and the wind oxygen adjustment control device 94 is connected with ventilation blower 2 and aerator 8 respectively；Institute
State and D/A converting units 95 are connected between PLC and wind oxygen adjustment control device 94, the D/A converting units include and PLC
Controller output end connection D/A converter, be connected to the D/A converter output end and wind oxygen adjustment control device it is defeated
Enter the signal amplifier between end, and the mistake being connected between the input of D/A converter and the output end of signal amplifier
Voltage protection circuit；The environmental monitoring unit is used for the dust sensor 71a, dense for detecting carbon monoxide for detecting dust concentration
The carbon monoxide transducer 71b of degree, the air velocity transducer 71c for detecting wind speed, the hydrogen sulfide for detecting concentration of hydrogen sulfide
Sensor 71d, the nitric oxide sensor 71e for detecting nitric oxide concentration, the oxygen sensor for detecting oxygen concentration
The device 71f and methane transducer 71g for detecting methane concentration；Fuzzy controller can for example use the PLC Step7 of Siemens
Chip, to carry out the processing for meeting fuzzy control demand to the input quantity of environmental monitoring unit；PLC make it that user can be with
Meet different Automated condtrol requirements from the corresponding user program of edlin according to the needs of oneself；Data transmission unit can
For wired or wireless topology, such as data transfer can be realized by modes such as signal wire, WiFi networks；Wind oxygen adjustment control device
It is responsible for sending control signal to ventilation blower, aerator, adjusts its keying and power；By using environmental monitoring unit in tunnel
Construction environment carry out in real time monitoring obtain real time environmental data, by control unit according to the real time environmental data control detected
Ventilation blower 2 and aerator 8 processed work, full to ensure that pernicious gas and dust, oxygen content in tunnel etc. are in rational scope
Sufficient construction technology environmental requirement, while use and the run time of instrument and equipment have been saved, reduce bad in constructing tunnel apply
Accident and loss caused by work environment, have ensured the personal safety of operating personnel.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (10)
- A kind of 1. front end of exhaust system for constructing tunnel, including air intake lane and return airway, the air intake lane and return airway For face, the air intake lane is connected with return airway leading portion by a leading portion transverse passage-way, the leading portion transverse passage-way and tunnel At least one stage casing transverse passage-way is provided between hole, the stage casing transverse passage-way is connected between air intake lane and return airway and using close Envelope curtain is closed, and the ventilation blower towards tunnel front end is provided with the air intake lane, is provided with the return airway backwards to tunnel The ventilation blower of road front end；The ventilation blower includes Blower Housing and the support for supporting Blower Housing；It is characterized in that：It is described The two bottom sides of support are provided with the resilient damping board that two parallel intervals are set, and are provided with and fill between two resilient damping boards and ground Bag is noted, cast elastomers are poured in the infusion bag and form elastomer layer.
- 2. the exhaust system according to claim 1 for constructing tunnel, it is characterised in that：The resilient damping board and filling It is strip to note bag, and the length direction of the resilient damping board and infusion bag is consistent with the length direction of support.
- 3. the exhaust system according to claim 2 for constructing tunnel, it is characterised in that：The resilient damping board uses Thermoplastic polyester elastomer's material is made.
- 4. the exhaust system according to claim 3 for constructing tunnel, it is characterised in that：Two resilient damping boards it Between be provided with shock absorber, the top surface of the shock absorber is close to the bottom surface of support, and ground is close in the bottom surface of the shock absorber；It is described Shock absorber includes the upper seat assembly for being connected with support and is connected to ground and the horizontal movement formation damping to upper seat assembly Lower seat assembly, the upper seat assembly, which slidably supports, to be arranged on the lower seat assembly；What the upper seat assembly included upper pedestal and was arranged on upper pedestal at least two is used for the up-down vibration vibration damping of support Vibration absorber, the upper pedestal corresponds to each vibration absorber and is provided with installation cavity, and each vibration absorber includes reversing Damper mechanism and the motion for being converted to rotary motion and driving torsion damping mechanism to work the up-down vibration of support are changed Mechanism, the torsion damping mechanism include the axle sleeve being arranged in a manner of it can relatively rotate and seal in installation cavity and by the seats of honour Body extends the first spacer and the second spacer of formation into installation cavity, the outside of the axle sleeve and first spacer and second every Body, which is respectively formed, to be close to set and the installation cavity is divided into the first damping cavity and the second damping cavity, first damping cavity and institute State and damping fluid is filled with the second damping cavity；The first arc rotor block and the second arc rotor block, the first arc rotor position have radially been symmetrically formed on the axle sleeve In in the first damping cavity and being divided into the first working chamber and the second working chamber, and the first arc rotor block and the first damping cavity Cavity wall between the first damp channel formed with the first working chamber of connection and the second working chamber, the second arc rotor block is located at In second damping cavity and it is divided into the 3rd working chamber and the 4th working chamber, and the second arc rotor block and the second damping cavity The second damp channel formed with the 3rd working chamber of connection and the 4th working chamber between cavity wall.
- 5. the exhaust system according to claim 4 for constructing tunnel, it is characterised in that：The movement conversion mechanism bag Include screw rod and it is interior be placed on formed a fixed connection in axle sleeve and with screw flight coordinate thread bush；The upper end of the screw rod is provided with For the connecting plate being connected with transformer bottom.
- 6. the exhaust system according to claim 5 for constructing tunnel, it is characterised in that：The lower seat assembly includes base Plate and at least one sleeve being arranged on substrate is integrally formed, is provided with each sleeve and its internal cavities is divided into two Partial piston and the piston rod that sleeve is connected with upper pedestal bottom is connected and stretched out with piston, the circumference and sleeve of the piston Formed with annular damper passage between inwall, each sleeve is interior to be filled with damping fluid.
- 7. the exhaust system according to claim 6 for constructing tunnel, it is characterised in that：The top of each sleeve Slideway is each formed with, the bottom of the upper pedestal corresponds to each chute and is provided with the slide rail being slidably matched.
- 8. the exhaust system according to claim 7 for constructing tunnel, it is characterised in that：The piston rod is by both sides The U-shaped structure of the horizontal body portion composition of vertical portion and connection vertical portion, its horizontal body portion are set through the sleeve, both sides vertical portion Bottom of the upper end with the upper pedestal is fixedly connected.
- 9. the exhaust system according to claim 8 for constructing tunnel, it is characterised in that：Ventilation in the air intake lane The outlet air end of machine is provided with the aerator for being used for oxygenation in tunnel.
- 10. the exhaust system according to claim 9 for constructing tunnel, it is characterised in that：The system also includes being used for The environmental monitoring unit of environmental data and the environmental data control ventilation blower and aerator that are collected for basis in collection tunnel The automatic control unit of work；Fuzzy controller, PLC and the wind oxygen that the automatic control unit includes being sequentially connected are adjusted Controller is saved, the fuzzy controller is connected by data transmission unit with environmental monitoring unit, the wind oxygen adjustment control device It is connected respectively with ventilation blower and aerator；Be connected with D/A converting units between the PLC and wind oxygen adjustment control device, the D/A converting units include with The D/A converter of the output end connection of PLC, it is connected to the output end and wind oxygen adjustment control device of the D/A converter Input between signal amplifier, and be connected between the input of D/A converter and the output end of signal amplifier Overvoltage crowbar；The environmental monitoring unit is used to detect the dust sensor of dust concentration, the oxidation for detecting carbonomonoxide concentration Carbon sensor, the air velocity transducer for detecting wind speed, the hydrogen sulfide sensor for detecting concentration of hydrogen sulfide, for detect one The nitric oxide sensor of nitric oxide concentration, the oxygen sensor for detecting oxygen concentration and the first for detecting methane concentration Alkane sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721030021.3U CN207033480U (en) | 2017-08-16 | 2017-08-16 | Exhaust system for constructing tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721030021.3U CN207033480U (en) | 2017-08-16 | 2017-08-16 | Exhaust system for constructing tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN207033480U true CN207033480U (en) | 2018-02-23 |
Family
ID=61487909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721030021.3U Active CN207033480U (en) | 2017-08-16 | 2017-08-16 | Exhaust system for constructing tunnel |
Country Status (1)
| Country | Link |
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| CN (1) | CN207033480U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339117A (en) * | 2017-08-16 | 2017-11-10 | 重庆工业职业技术学院 | Ventilating system during constructing tunnel |
| CN109114045A (en) * | 2018-07-23 | 2019-01-01 | 湖南科技大学 | A kind of fan shock-absorbing denoising device |
-
2017
- 2017-08-16 CN CN201721030021.3U patent/CN207033480U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339117A (en) * | 2017-08-16 | 2017-11-10 | 重庆工业职业技术学院 | Ventilating system during constructing tunnel |
| CN107339117B (en) * | 2017-08-16 | 2023-08-11 | 重庆工业职业技术学院 | Ventilation system used in tunnel construction |
| CN109114045A (en) * | 2018-07-23 | 2019-01-01 | 湖南科技大学 | A kind of fan shock-absorbing denoising device |
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