CN108343461A - Mine main ventilator Antiexplosive manhole cover - Google Patents
Mine main ventilator Antiexplosive manhole cover Download PDFInfo
- Publication number
- CN108343461A CN108343461A CN201710555584.2A CN201710555584A CN108343461A CN 108343461 A CN108343461 A CN 108343461A CN 201710555584 A CN201710555584 A CN 201710555584A CN 108343461 A CN108343461 A CN 108343461A
- Authority
- CN
- China
- Prior art keywords
- well lid
- manhole cover
- mounting base
- antiexplosive manhole
- water tank
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000003139 buffering effect Effects 0.000 claims abstract description 13
- 238000003032 molecular docking Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 19
- 238000004880 explosion Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005065 mining Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21F1/16—Shaft covers
Abstract
A kind of mine main ventilator Antiexplosive manhole cover, including mounting base, well lid, buffering stand, motor, switch board, water tank, the mounting base is equipped with fixed-hinged support, hinged by axis pin and well lid, well lid is opposite opened, can be rotated rotating around fixed-hinged support, well lid tail portion is equipped with water tank, explosion and rapid open manhole cover when normally divulging information can occur using the dead weight of water tank, the belt belt wheel on well lid is connect by flute profile belt with motor, and the rotation drive of motor can be such that well lid resets rapidly.Beneficial effects of the present invention are：Can realize well lid automatic open close, it is rapid reset, reasonable design, reliable operation, solve the underground caused by Antiexplosive manhole cover deformation and ventilation blower failure cannot normally divulge information, quick inverted ventilation and the problems such as gravity-flow ventilation.
Description
Technical field
The present invention relates to mire ventilation safety fields, and in particular to a kind of mine main ventilator Antiexplosive manhole cover.
Background technology
Currently, as the continuous development of China's economy, the demand of coal resources constantly increase, the dynamics of coal mining is also got over
Come bigger, but the danger such as gas explosion, dust, asphyxia, poisoning may be faced in progress of coal mining, and accident occurs
When, if cannot divulge information in time, irremediable consequence can be caused.Mine ventilation is the most basic ring of shaft production link,
It is played a very important role always during mine construction and production.Antiexplosive manhole cover is the important of guarantee mining ventilation and safety
One of equipment, it, which is responsible for, ensures underground gravity-flow ventilation and delivered downhole fresh air, and realizes the important task of underground inverted ventilation.But
There are problems in practical applications, do not adapt to coal mine in the Antiexplosive manhole cover of onsite application due to itself existing defect
Safety code requirement.
When mine safety accidents occur, the strength caused by explosion is huge, and situation is complicated, so Antiexplosive manhole cover
There should be certain adaptive and respond.But there are major defect and security risk, outstanding behaviours for existing Antiexplosive manhole cover
For：It does not buffer and limiting device, when brisance is powerful, well lid may be blown up, and cause Antiexplosive manhole cover that can not answer for a long time
Position；Without reliable guiding mechanism, well lid is during opening and closing, it may occur however that offset, deflection so that door body is difficult to standard
Really reset, cause it is poorly sealed between well lid and pedestal, or even ventilation short circuit；And when wind turbine breaks down, well lid cannot be fast
Speed is opened, and realizes the gravity-flow ventilation of underground.So traditional Antiexplosive manhole cover generates mining ventilation and safety very severe influence.
Invention content
In view of the above shortcomings of the prior art, the purpose of the present invention is to provide a kind of mine main ventilator Antiexplosive manhole cover,
Solve that the underground caused by Antiexplosive manhole cover deformation and ventilation blower failure cannot normally be divulged information, quick inverted ventilation and gravity-flow ventilation etc. are asked
Topic.
In order to solve the above technical problems, the technical scheme is that：A kind of mine main ventilator Antiexplosive manhole cover, including peace
Seat, well lid, buffering stand, motor, switch board are filled, the mounting base is equipped with fixed-hinged support, is symmetrically distributed in a mounting base left side
Right both sides, hinged by axis pin and well lid, well lid is opposite opened, including upper well lid and lower well lid, can be rotating around fixed-hinged support
Rotation, the well lid of both sides are respectively provided with belt belt wheel, are attached with motor by flute profile belt, and the rotation of motor drives well
Lid is rotated around fixed-hinged support, in addition, the surrounding in mounting base is equipped with buffering stand, and rubber buffer is housed on buffering stand
Device.
The well lid tail portion and inside are respectively provided with water tank, pass through PVC feed pipes between inner tank and outer tank
Connection, pipeline is interior to install normally closed solenoid valve water valve, and water pump is installed in outer tank.
The well lid is eclipsed form, and lap is arc docking, is equipped with rubber slab in cambered surface, at docking on
Portion is equipped with bulb plunger stainless shot lock.
Compared with prior art, the beneficial effects of the invention are as follows：Antiexplosive manhole cover is designed as opposite opened, when exploding
When, it can rely on outer water tank that well lid is made to open rapidly, make main fan from damage.After explosion terminates, it is mounted on mounting base
On motor rotation so that well lid is resetted rapidly, it is ensured that the normal ventilation of underground.Water tank also is provided with inside well lid, it is with two well lids pair
The bulb plunger stainless shot lock cooperation for meeting place, makes closely to connect at well lid docking and between mounting base and sponge rubber sealing strip
It connects, improves the sealing effect of well lid.The Antiexplosive manhole cover reasonable design, reliable operation can realize well lid automatic open close, rapid
It resets, ensures the normal ventilation and gravity-flow ventilation of underground, improve the safety of pit mining.
Description of the drawings
Fig. 1 is structural schematic diagram when the Antiexplosive manhole cover of the present invention is closed.
Fig. 2 is the mounting base structural schematic diagram of the Antiexplosive manhole cover of the present invention.
Fig. 3 is the lower well lid structural schematic diagram of the Antiexplosive manhole cover of the present invention.
Fig. 4 is the upper manhole cover structure schematic diagram of the Antiexplosive manhole cover of the present invention.
Fig. 5 is the upper well lid sectional view of the present invention.
In attached drawing：1, mounting base；2, lower well lid；3, upper well lid；4, rubber bumper；5, buffering stand；6, No.1 is close
Switch；7, No. two motors；8, flute profile belt；9, fixed-hinged support；10, outer water tank；11, No.1 motor；12, water pump；13、PVC
Feed pipe；14, normally closed solenoid valve water valve；15, inner water tank；16, bulb plunger stainless shot is locked；17, lock tongue slot；18, rubber slab；
19, sponge rubber sealing strip；20, No. two close switches；21, switch board.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings：In conjunction with Fig. 1 to Fig. 5, a kind of explosion-proof well of mine main ventilator
Lid, including mounting base 1, lower well lid 2, upper well lid 3, buffering stand 5, No. two motors 7, No.1 motor 11, switch boards 21, the peace
It fills seat 1 and is equipped with fixed-hinged support 9, be symmetrically distributed at left and right sides of mounting base, hinged by axis pin and well lid, well lid is split
Formula, including upper well lid 3 and lower well lid 2, can rotate rotating around fixed-hinged support 9, and the well lid of both sides is respectively provided with belt belt wheel, electricity
Machine is attached by flute profile belt 8 with motor, and the rotation of motor drives well lid to be rotated around fixed-hinged support 9, in addition, pacifying
The surrounding for filling seat is equipped with buffering stand 5, and rubber bumper 4 and No.1 is housed close to switch 6, San Zhepei on buffering stand 5
Conjunction is to realize the buffering to well lid, position-limiting action, improves the reliability of well lid.
The well lid tail portion and inside are respectively provided with water tank, are given by PVC between inner tank 15 and outer tank 10
Water pipe 13 connects, installation normally closed solenoid valve water valve 14 in pipeline, and water pump 12 is installed in outer tank 10.
The well lid is eclipsed form, and lap is arc docking, is equipped with rubber slab 18 in cambered surface, at docking
Top is equipped with bulb plunger stainless shot lock 16.
Working principle of the present invention is as follows：When normal ventilation, Explosion-proof cap is closed, and water is filled in inner water tank 15,
By the dead weight of inner water tank 15 and bulb plunger stainless shot lock 16 and the cooperation of lock tongue slot 17, make lower well lid 2 and upper well lid 3 it
Between lap arc rubber slab 18 closely connection and upper well lid 3 and lower well lid 2 are closely matched with sponge rubber sealing strip 19
It closes, ensures that underground is normally divulged information.When explosion time occurs for underground, No. two in mounting base 1 detect signal close to switch 20, will believe
It number is transmitted to programmable controller, programmable controller sends out signal to control valve 14, and control valve 14 is opened, interior water
Water in case 15 rapidly enters outer water tank 10 through piping 13, so that Explosion-proof cap is opened rapidly by the dead weight of outer water tank 10, avoids
Because the shock wave that explosion generates destroys chief ventilators.After explosion occurs, the No.1 for being located at buffering stand 5 is supervised close to switch 6
It measures well lid and is in open state, signal is transmitted to programmable controller, programmable controller, which sends out signal, to be made
No. two motors 7 rotate, and lower well lid 2 is made to begin to shut off, and after certain time, programmable controller, which sends out signal, keeps No.1 electric
Machine 11 rotates, and well lid 3 is made to begin to shut off, when the No.1 on buffering stand 5 detects that well lid is begun to shut off close to switch 6,
Programmable controller makes solenoid valve water valve 14 close, and water pump 12 is started to work, and the water of outer water tank 10 is transferred to inner water tank
15, complete the rapid reset of Antiexplosive manhole cover.
When wind turbine breaks down, the sensor on wind turbine sends out signal to programmable controller, while can
Program controller makes normally closed solenoid valve water valve 14 open, and so that the water in inner water tank 15 is flowed rapidly into outer water tank 10, by outer
The dead weight of water tank 10 makes Antiexplosive manhole cover open rapidly, it is ensured that underground gravity-flow ventilation ensures the safety of coal mining.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions and substitutions that the technology in domain is done in the essential scope of the present invention also belong to the protection model of the present invention
It encloses.
Claims (4)
1. a kind of mine main ventilator Antiexplosive manhole cover, it is characterised in that：The mounting base（1）It is equipped with fixed-hinged support（9）, right
Title is distributed in mounting base（1）The left and right sides, it is hinged by axis pin and well lid；Well lid is opposite opened, including upper well lid（3）With go into the well
Lid（2）, can be rotating around fixed-hinged support（9）Rotation, the well lid of both sides are respectively provided with belt belt wheel, pass through flute profile belt（8）With
Motor is attached, and motor rotation drives well lid around fixed-hinged support（9）Rotation, realizes the keying of well lid；
In addition, the surrounding in mounting base is equipped with buffering stand（5）, and buffering stand（5）It is upper that rubber bumper is housed（4）.
2. mine main ventilator Antiexplosive manhole cover according to claim 1, it is characterised in that：The well lid tail portion and inside
It is respectively provided with water tank, inner tank（15）And outer tank（10）Between pass through PVC feed pipes（13）Connection, the interior installation of pipeline are normal
Close solenoid valve water valve（14）, and outer tank（10）Middle installation water pump（12）.
3. mine main ventilator Antiexplosive manhole cover according to claim 1, it is characterised in that：The well lid is eclipsed form,
And lap docks for arc, and rubber slab is equipped in cambered surface（18）.
4. mine main ventilator Antiexplosive manhole cover according to claim 1, it is characterised in that：Top at the well lid docking
Bulb plunger stainless shot lock is installed（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710555584.2A CN108343461A (en) | 2017-07-10 | 2017-07-10 | Mine main ventilator Antiexplosive manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710555584.2A CN108343461A (en) | 2017-07-10 | 2017-07-10 | Mine main ventilator Antiexplosive manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343461A true CN108343461A (en) | 2018-07-31 |
Family
ID=62963078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710555584.2A Pending CN108343461A (en) | 2017-07-10 | 2017-07-10 | Mine main ventilator Antiexplosive manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343461A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0999311A1 (en) * | 1998-11-03 | 2000-05-10 | Josef Hammer | Manhole cover for dust tight closure of manholes, in particular for wells |
| CN101943025A (en) * | 2009-07-07 | 2011-01-12 | 兖州煤业股份有限公司 | Vertical air shaft explosion protection door capable of quickly resetting |
| CN202300523U (en) * | 2011-11-04 | 2012-07-04 | 山西创奇实业有限公司 | Plum-petal explosion-proof door for coal mine shaft |
| CN105089690A (en) * | 2014-05-06 | 2015-11-25 | 山东科技大学 | Novel coal mine vertical air shaft explosion-proof door |
| CN205779019U (en) * | 2016-05-09 | 2016-12-07 | 中国矿业大学 | Main fan Explosion-proof cap fluid pressure type automatic open close controls device |
-
2017
- 2017-07-10 CN CN201710555584.2A patent/CN108343461A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0999311A1 (en) * | 1998-11-03 | 2000-05-10 | Josef Hammer | Manhole cover for dust tight closure of manholes, in particular for wells |
| CN101943025A (en) * | 2009-07-07 | 2011-01-12 | 兖州煤业股份有限公司 | Vertical air shaft explosion protection door capable of quickly resetting |
| CN202300523U (en) * | 2011-11-04 | 2012-07-04 | 山西创奇实业有限公司 | Plum-petal explosion-proof door for coal mine shaft |
| CN105089690A (en) * | 2014-05-06 | 2015-11-25 | 山东科技大学 | Novel coal mine vertical air shaft explosion-proof door |
| CN205779019U (en) * | 2016-05-09 | 2016-12-07 | 中国矿业大学 | Main fan Explosion-proof cap fluid pressure type automatic open close controls device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180731 |
|
| WD01 | Invention patent application deemed withdrawn after publication |