CN105840238A - Air pressure type automatic opening and closing control device for main ventilator anti-explosion cover - Google Patents
Air pressure type automatic opening and closing control device for main ventilator anti-explosion cover Download PDFInfo
- Publication number
- CN105840238A CN105840238A CN201610301699.4A CN201610301699A CN105840238A CN 105840238 A CN105840238 A CN 105840238A CN 201610301699 A CN201610301699 A CN 201610301699A CN 105840238 A CN105840238 A CN 105840238A
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- China
- Prior art keywords
- explosion
- proof cap
- pneumatic cylinder
- pneumatic
- counterweight
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21F17/103—Dams, e.g. for ventilation
-
- 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
Abstract
An air pressure type automatic opening and closing control device for a main ventilator anti-explosion cover comprises a seal base, a balance weight device, an air cylinder stand column, the pneumatic opposite-opening anti-explosion cover, a pressure system, an electronic control system and an air reversing latching device. The anti-explosion cover is of a square opposite-opening structure and is hinged to the seal base through a hinge, the seal base is of a square structure, and a herringbone beam is installed in the middle; a seal strip is arranged on the back face of a cover plate along the outer edge by a circle and used in cooperation with the seal base to achieve seal, and a rain shielding facility is installed on a joint of the cover plate to prevent rainwater from entering the joint; the pressure system and the electronic control system are combined for use, the anti-explosion cover is remotely controlled to be automatically opened or closed when a mine explodes or a ventilator is overhauled, and the air cylinder in the pressure system can be used as a guide device, a buffering device and a limiting device; during mine air reversing, the anti-explosion cover can be locked fast. By using the automatic control device in post-disaster emergency rescue, casualty accidents can be effectively reduced, and stability and reliability of a mine ventilation system are ensured.
Description
Technical field
The present invention relates to mire ventilation safety field, particularly relate to a kind of main fan Explosion-proof cap vapour-pressure type automatic open close and control dress
Put.
Background technology
Coal remains the main energy sources of China at present.Coal in China composes the complex geologic conditions deposited, and mineral reserve layout is uneven, coal
Industrial structure variation, these are brought bigger difficulty compared with abroad all to the coal mining industry of China, the most indirectly cause
The general layout that China's accident of mine disaster takes place frequently.Explosion-proof cap is one of topmost safety component of mine ventilation system, in the life that ensures safety
In product particularly important.
Explosion-proof cap effect has: in order to completely cut off down-hole air-flow and surface air when (1) normally ventilates, prevent Mine Ventilation System
Short circuit (2) down-hole occur explosion accident time, prevent High Temperature High Pressure shock wave or tight roof large area cave in produce shock wave and
Storm damage main fan in mine；Can reset after blast, provide good ventilation environment for emergency management and rescue after calamity, (3) exist
Mine blackout, main fan can be opened Explosion-proof cap time out of service utilize natural ventilation pressure to ventilate because of maintenance or fault.(4) when
Down-hole intake breaking out of fire or when there are poisonous gas, in order to prevent flame and toxic gas from entering exploiting field harm miner's life,
Inverted ventilation fire extinguishing must be carried out in time, now need to be compressed by Explosion-proof cap in time, prevent from leaking out.(5) for small part coal mine ground
Use single air channel VENTILATING SYSTEM BY VOLTAGE STEP, owing to there is no standby air channel for the blower performance test of every 3 years 1 time, mine needs
Stop production, open Explosion-proof cap as the interim air inlet of performance test, reclose after end to be tested.
In order to ensure that colliery continues safe and efficient production, although both at home and abroad main fan Explosion-proof cap is made that substantial amounts of
Research work, constantly improves the safe coal production status of China, but still suffers from Explosion-proof cap and leak out, and resets not in time, multiple
Position procedure operation is complicated, it is impossible to being applied to emergency management and rescue medium many problems period in catastrophe, the existence of these problems is for mine
Safety constitute greatly threat.Present stage main fan Explosion-proof cap is primarily present problems with:
(1) Explosion-proof cap is being occurred after gas explosion to be blown off well head or gross distortion by impact air-flow.
(2) phenomenon of immersion can be produced due to the sealing fluid of the reason Explosion-proof cap of Explosion-proof cap and foundation means, oil seal become
Water-stop, the most easily freezes, and loses the effect of sealing.
(3)) in Explosion-proof cap keying program, many steps need to be accomplished manually, and open and close speed slow, open and close effect bad, are occurring
After explosion accident, delay the time of emergency management and rescue during catastrophe.
(4) mine blackout, main fan because of maintenance or fault is out of service need to utilize natural ventilation pressure to ventilate time, explosion-proof
Lid can not be opened rapidly and close.
(5) there is certain obstacle in achievements conversion, and theoretical research can not meet site application conditions, it is impossible to enough mine generation catastrophe,
During inverted ventilation and emergency management and rescue, quickly open and close, and ensureing that Explosion-proof cap can be reused the most damaged.
Summary of the invention:
Technical problem: the invention aims to overcome weak point of the prior art, it is provided that a kind of simple in construction, keying
The main fan Explosion-proof cap vapour-pressure type automatic open close that Explosion-proof cap is quick, better reduction, sealing property are reliable, effective controls dress
Put.
Technical scheme: for achieving the above object, the main fan Explosion-proof cap vapour-pressure type automatic open close of the present invention controls device, including
The square frame-shaped susceptor plate being located at around well head, square frame-shaped susceptor plate is provided with sealed by well head pneumatic to folding Explosion-proof cap,
The pneumatic cross section to folding Explosion-proof cap is triangular in shape, and monnolithic case is rectangular pyramid shape, and the middle part of square frame-shaped susceptor plate is provided with support
The pneumatic herringbone beam to folding Explosion-proof cap top, arranges sealing strip in one week along outward flange, with herringbone in pneumatic split closing lid back
Beam and square frame-shaped susceptor plate coordinate realization to seal, and install the facility that keeps off the rain, enter with rainwater-proof in pneumatic split closing lid plate seam
Gap；The two side ends of pneumatic split closing lid plate links on square frame-shaped susceptor plate through hinge, and the both sides of square frame-shaped susceptor plate are divided
Not being provided with inverted ventilation locker, inverted ventilation locker is provided with baric systerm, and the counterweight that is respectively provided on two sides with of inverted ventilation locker fills
Putting, the side of square frame-shaped susceptor plate is provided with air pressure pumping plant and the switchgear house providing air pressure into inverted ventilation locker；
Described counter weight device includes counterweight column, counterweight armored rope, counterweight pulley and counterweight, and described counterweight column is through counterweight
Pedestal is fixed on raised platform around a well, and counterweight pulley is located at counterweight column top, and counterweight armored rope is walked around counterweight pulley one end and connected counterweight,
The other end is fixed on pneumatic on folding Explosion-proof cap through Explosion-proof cap chain T-Ring；
Described inverted ventilation locker includes pneumatic cylinder column, pneumatic cylinder column retainer ring, pneumatic cylinder, piston rod, and pneumatic cylinder is prevented
Quick-fried lid chain T-Ring, described pneumatic cylinder column is fixed on raised platform around a well through pneumatic cylinder pedestal, and pneumatic cylinder is fixed through pneumatic cylinder column retainer ring
On pneumatic cylinder column, pneumatic cylinder and pneumatic cylinder column are that angle is arranged, described piston rod links pneumatic through Explosion-proof cap chain T-Ring
To on folding Explosion-proof cap；
The sensing that the Explosion-proof cap of the open position for monitoring Explosion-proof cap opens and closes it is designed with on described pneumatic cylinder column and herringbone beam
Device；
Described piston rod head is provided with for monitoring whether Explosion-proof cap locks or the sensing of pneumatic cylinder piston rod dynamics of off-load
Device.
Described herringbone beam is U-lag beam or V-shaped groove beam；Described sealing strip is rubber strip；The described facility that keeps off the rain is high-strength PVC
Plastic-coated paulin；Described baric systerm includes air compressor, relief valve, air accumulator, filter, air relief valve, oil sprayer,
Acoustic filter, reversal valve and flow control valve, described air accumulator is provided with relief valve, and the entrance of air accumulator compresses with air by the road
Machine is connected, and outlet is sequentially connected with filter, air relief valve, oil sprayer and bi-bit bi-pass reversal valve, bi-bit bi-pass reversal valve by the road
A path connect the gas outlet of pneumatic cylinder, another path connection traffic control valve by the road by the road, flow control valve is through pipe
Road connects the air inlet of pneumatic cylinder.
Beneficial effect: the present invention is directed to existing Explosion-proof cap open and close that difficulty, opening and closing time length, reset effect be bad, sealing property not
Reliably, can not during catastrophe in emergency management and rescue play should have the deficiencies such as effect, it is provided that a kind of main fan Explosion-proof cap vapour-pressure type
Automatic open close controls device, compared with prior art, has the advantage that
(1) main fan Explosion-proof cap is square opposite opened Explosion-proof cap, when there is explosion accident in down-hole, it is possible to open easily,
So that main fan exempts from damage；Pneumatic cylinder in baric systerm is the stopping means controlling door closure lifting height, is again control
The guider of door closure opening direction processed, is again inverted ventilation locker simultaneously, the most multiplex, simplifies device；
(2) facility that keeps off the rain increased, effectively prevents rainwater to enter Explosion-proof cap seam gap, thus prevents raindrop erosion from sealing
Bar；Eliminate seal groove structure simultaneously, thoroughly solve being poured into of rainwater and cause freezed in winter and to seal groove burn into Explosion-proof cap
Leak out and lose the problems such as explosion-proof performance；
(3) main fan Explosion-proof cap vapour-pressure type automatic open close is used to control device, either after explosion accident, or at nature
During ventilation, the automatic open close of Explosion-proof cap can be realized, it is possible to remotely operate；
(4) during catastrophe emergency management and rescue, rescue work rapid deployment can be made, reduce accident casualty.When exploding in down-hole
After accident, mine recovery can be made to ventilate Explosion-proof cap Rapid reset, create good ventilation environment for catastrophe emergency management and rescue in period,
The down-hole subsequent explosion destruction to chief ventilators can be prevented simultaneously.When down-hole intake breaking out of fire or there is poisonous and harmful gas
During body, by pneumatic cylinder automatic locking device, being locked by Explosion-proof cap, mine carries out inverted ventilation, thus prevents flame and toxic gas
Enter exploiting field harm miner's life.
Accompanying drawing explanation
Structural representation when Fig. 1 is the Explosion-proof cap closedown of the present invention；
Structural representation when Fig. 2 is the Explosion-proof cap unlatching of the present invention；
Plan structure schematic diagram when Fig. 3 is the Explosion-proof cap closedown of the present invention；
Fig. 4 is the baric systerm schematic diagram of the present invention.
In figure: 1-counterweight column, 2-pneumatic cylinder column, 3-pneumatic cylinder column retainer ring, 4-pneumatic cylinder, 5-piston rod,
6-pneumatic cylinder Explosion-proof cap chain T-Ring, 7-is pneumatic to folding Explosion-proof cap, and 8-keeps off the rain facility, and 9-Explosion-proof cap chain T-Ring, 10-joins
Weight steel wire rope, 11-counterweight pulley, 12-counterweight, 13-hinge, 14-pit shaft, 15-raised platform around a well, 16-herringbone beam, 17
-pneumatic cylinder pedestal, 18 counterweight base, 19 square frame-shaped susceptor plates, 20 cylinder bodies, 21 pistons, 22 cylinder tops, 23 give vent to anger
Mouthful, 24 air inlets, 25 air compressors, 26 relief valve, 27 air accumulators, 28 filters, 29 air relief valve, 30 oil sprayers,
31 acoustic filters, 32 reversal valves, 33 flow control valves, 34 cylinder bottoms.
Detailed description of the invention
Below in conjunction with the accompanying drawings one embodiment of the present of invention is further described:
As shown in Figures 1 to 4, the main fan Explosion-proof cap vapour-pressure type automatic open close of the present invention controls device, mainly by pneumatic right
Folding Explosion-proof cap 7, inverted ventilation locker, baric systerm and counter weight device are constituted, and the well head at pit shaft 14 is arranged around a square frame
Shape susceptor plate 19, square frame-shaped susceptor plate 19 is provided with sealed by well head pneumatic to folding Explosion-proof cap 7, pneumatic prevents folding
The cross section of quick-fried lid 7 is triangular in shape, and monnolithic case is rectangular pyramid shape, and it is pneumatic split that the middle part of square frame-shaped susceptor plate 19 is provided with support
Closing the herringbone beam 16 at Explosion-proof cap 7 top, herringbone beam 16 has been U-lag beam or the V-shaped groove beam of water guiding action.Pneumatic split
Closing lid plate 7 back side arranges sealing strip in one week along outward flange, coordinates realization to seal with herringbone beam 16 and square frame-shaped susceptor plate 19,
Pneumatic split closing lid plate 7 seam is provided with the facility 8 that keeps off the rain, enters gap with rainwater-proof；Described sealing strip is rubber strip；
The described facility 8 that keeps off the rain is for tarpaulin.The two side ends of pneumatic split closing lid plate 7 links on square frame-shaped susceptor plate 19 through hinge 13,
Square frame-shaped susceptor plate 19 be respectively provided on two sides with inverted ventilation locker, inverted ventilation locker is provided with baric systerm, inverted ventilation snap close
Device be respectively provided on two sides with counter weight device, the side of square frame-shaped susceptor plate 19 be provided with into inverted ventilation locker provide air pressure gas
Press pump station and switchgear house；Folding Explosion-proof cap 7 is locked on pedestal steel plate 19 by hinge 13 by pneumatic；When mine needs inverted ventilation,
Requiring, when Explosion-proof cap is in snap close state, to start baric systerm, piston rod 5 starts Explosion-proof cap is applied enough pressure, and inverted ventilation is tied
Shu Hou, closes baric systerm, the piston rod 5 distress resolves to Explosion-proof cap.
The biography that the Explosion-proof cap of the open position for monitoring Explosion-proof cap opens and closes it is designed with on described pneumatic cylinder column 2 and herringbone beam 16
Sensor；Described piston rod 5 head is provided with for monitoring whether Explosion-proof cap locks or the biography of pneumatic cylinder piston rod dynamics of off-load
Sensor.
Described counter weight device includes counterweight column 1, counterweight armored rope 10, counterweight pulley 11 and counterweight 12, described counterweight
Column 1 is fixed on raised platform around a well 15 through counterweight base 18, and counterweight pulley 11 is located at counterweight column 1 top, counterweight armored rope 10
Walking around counterweight pulley 11 one end and connect counterweight 12, the other end is fixed on pneumatic to folding Explosion-proof cap 7 through Explosion-proof cap chain T-Ring 9
On；10kg, 20kg, 50kg and 100kg standard weights made by described counterweight 12, and i.e. weights shape, mutual by suspension hook
Connect, adjust counterweight the most in good time；Counterweight column 1 is fixed in counterweight base 18, one end of counterweight armored rope 10 and balance
Hammer 12 is connected, and the counterweight pulley 11 that the other end is walked around on counterweight column is connected with counterweight armored rope Explosion-proof cap chain T-Ring 9, counterweight
Device is symmetrically installed in the left and right sides of Explosion-proof cap, and effect is that Explosion-proof cap can be opened easily when down-hole occurs explosion accident.
Described counterweight and pneumatic cylinder column 2 are square rigid structure；Counterweight column 1 has four, divides two groups and is arranged symmetrically in explosion-proof
Corner, lid both sides；Pneumatic cylinder column 2 has two, divides two groups and is arranged symmetrically in the middle of Explosion-proof cap both sides.
Described inverted ventilation locker includes pneumatic cylinder column 2, pneumatic cylinder column retainer ring 3, pneumatic cylinder 4, piston rod 5, gas
Cylinder pressure Explosion-proof cap chain T-Ring 6, described pneumatic cylinder column 2 is fixed on raised platform around a well 15 through pneumatic cylinder pedestal 17, and pneumatic cylinder 4 is through gas
Cylinder pressure column retainer ring 3 is fixed on pneumatic cylinder column 2, and pneumatic cylinder 4 and pneumatic cylinder column 2 are arranged in angle, described piston
Bar 5 links pneumatic on folding Explosion-proof cap 7 through Explosion-proof cap chain T-Ring 6.
As shown in Figure 4, described baric systerm includes air compressor 25, relief valve 26, air accumulator 27, filter 28,
Air relief valve 29, oil sprayer 30, acoustic filter 31, reversal valve 32 and flow control valve 33, described air accumulator 27 is provided with safety
Valve 26, the entrance of air accumulator 27 is connected with air compressor 25 by the road, and outlet is sequentially connected with filter 28, decompression by the road
Valve 29, oil sprayer 30 and bi-bit bi-pass reversal valve 32, a path of bi-bit bi-pass reversal valve 32 connects pneumatic cylinder 4 by the road
Gas outlet 23, another path connection traffic control valve 33 by the road, flow control valve 33 connects entering of pneumatic cylinder 4 by the road
QI KOU 24.
Air pressure pumping plant and switchgear house share a Room, are arranged on pneumatic cylinder column 2 side, have three air compressors 25 inside pumping plant,
Wherein two is work use, and one is standby.Pneumatic cylinder 4 is by cylinder bottom 34, cylinder body 20, piston 21, cylinder top 22, piston rod
5, gas outlet 23 and air inlet 24 form.Pneumatic cylinder 4 is joined directly together with pneumatic cylinder column 2 by pneumatic cylinder column retainer ring 3
Connecing, pneumatic cylinder 4 and pneumatic cylinder column 2 have angle, pneumatic cylinder column 2 to be fixed on pneumatic cylinder pedestal 17；Piston rod 5 passes through
Pneumatic cylinder Explosion-proof cap chain T-Ring 6 directly links to be located in cover plate 7 front；It is pneumatic to folding Explosion-proof cap that pneumatic cylinder 4 is control
The stopping means of 7 lifting heights, is again the guider controlling cover plate opening direction, is again inverted ventilation locker simultaneously, can make
Explosion-proof cap is vertically opened, and prevents Explosion-proof cap from tilting unlatching and Explosion-proof cap is caused damage.
Described pneumatic be opposite opened to folding Explosion-proof cap 7, including two fan cover plates, cover plate is welded by high-strength steel sheet, often fans
The edge of cover plate connects into square, coincide with square frame-shaped susceptor plate 19, and Explosion-proof cap overall appearance is rectangular pyramid shape；Cover plate leads to
Cross hinge 13 to be fixed on square frame-shaped susceptor plate 19, in the middle of square frame-shaped susceptor plate, be provided with herringbone ellbeam 16, herringbone ellbeam
16 is wide at the top and narrow at the bottom streamlined, to reduce the shock wave impulsive force to beam；Along outward flange, within one week, sealing strip is set at the cover plate back side,
Cover plate by with the herringbone beam 16 of square frame-shaped susceptor plate and coordinating of sealing rubber strip, it is possible to when mine normally ventilates, rely on
Explosion-proof cap deadweight and ventilation negative pressure realize the complete seal of Explosion-proof cap；Cover plate seam is installed the facility 8 that keeps off the rain, to stop rainwater
Entering gap, the facility 8 that keeps off the rain is high-strength PVC plastic-coated paulin, has the most waterproof and etch-proof function.
The operation principle of baric systerm is: Pneumatic Transmission is with compressed gas as working media, by pressure transmission power or the letter of gas
The Fluid-transmission of breath.The system of transmission power is that via pipeline and control valve, compressed gas is flowed to pneumatic cylinder, compressed gas
Pressure can be converted to the mechanical energy of piston rod 5 and work done；The system of transmission information is to utilize pneumatic logic element or fluidic
To realize the functions such as logical operations, i.e. gas control.Gas control be with by the signal of telecommunication control be converted to air pressure control signal as master mode, with
Electromagnetism and electrically controlled valve are major component composition.Primary circuit has: (1) two group of pneumatic cylinder 4 flow distributing and collecting formula bi-directional synchronization loop；
(2) ventilation blower ventilates, and the pneumatic cylinder when different operating mode enters 25, gas outlet 24 opens and closes, conversion and control loop；(3) gas
Pressure cylinder piston bar 5 commutates moving loop；(4) piston rod 5 flexible put in place, inverted ventilation time piston rod 5 stretch out locking and release locking
Control loop.When pneumatic folding Explosion-proof cap 7 is opened after, can be controlled pneumatic to folding Explosion-proof cap by piston rod 5 flexible
Opening degree.
Work process: when normally ventilating, for the most motionless, pneumatic cylinder 4 treats that baric systerm is to pneumatic explosion-proof to folding for operating mode
Lid 7 does not produce any push-and-pull and locking active force.
When down-hole occurs explosion accident, pneumatic folding Explosion-proof cap 7 is washed open by shock wave, be arranged at column and herringbone beam
Explosion-proof cap keying position sensor transmission is pneumatic opens signal to folding Explosion-proof cap 7；After shock wave disappears, in machine room, operation is closed
Closing control knob, the programmed instruction ECU set through Programmable Logic Controller controls pneumatic cylinder 4, piston rod 5 with pneumatic control circuit
Stretch out, by pneumatic, folding Explosion-proof cap 7 Rapid reset is covered well head, it is ensured that the fast quick-recovery of mine ventilates, and answers first aid period for catastrophe
Help creation good ventilation environment, thus prevent the down-hole subsequent explosion destruction to chief ventilators.
When needing gravity-flow ventilation, control knob is opened in operation, the programmed instruction ECU that Programmable Logic Controller sets and pneumatic cylinder 4
Bi-directional synchronization loop, the motion of two pneumatic cylinder synchronization telescopes, coordinate pneumatic cylinder piston 21 action, it is achieved pneumatic explosion-proof to folding
The unlatching of lid 7；
When recovering normally to ventilate, operate X button, the programmed instruction ECU set by Programmable Logic Controller and pneumatic cylinder 4
Bi-directional synchronization loop, air compressor 25, gas outlet 24 conversing circuits, coordinate pneumatic cylinder piston 21 action, it is achieved pneumatic
Closedown to folding Explosion-proof cap 7.
During back lass, operation locking and unblock button, the programmed instruction ECU set by Programmable Logic Controller and gas control
Locking interlocks with relief circuit and hydraulic cylinder piston rod force sensor, it is achieved the locking of Explosion-proof cap and unblock.
When down-hole intake breaking out of fire or when there is toxic and harmful, operation locking and unlock button, pass through programmable control
Device processed: be called for short PLC, be the ingredient of Electrified Transmission program control system, be the electronic system of a kind of digital operation,
By numeral or the input of simulation and output interface, control various types of plant equipment or production process.Input interface effect is
With the input channel of the connection interface of field control, output interface effect is to on-the-spot enforcement division by on-the-spot output interface circuit
Part exports corresponding control signal.The electronic signal come from scene feedback, as Explosion-proof cap opens and closes position sensor, pneumatic cylinder conversion
Device, piston rod force sensor etc., entered PLC by input interface, then corresponding control signal sent to by output interface
The programmed instruction ECU that pneumatic control system sets is tied with relief circuit and hydraulic cylinder piston rod force sensor mutually with gas control locking
Close, it is achieved the locking of Explosion-proof cap and unblock, thus prevent flame and toxic gas from entering exploiting field harm miner's life.
Above example both can carry out near-earth operation at pump house, it is possible to carries out remote control at machine room.Can spirit according to actual needs
Live and use this main fan Explosion-proof cap automatic opening-closing.
Claims (7)
1. a main fan Explosion-proof cap vapour-pressure type automatic open close controls device, it is characterised in that: it includes being located at around well head
Square frame-shaped susceptor plate (19), square frame-shaped susceptor plate (19) is provided with sealed by well head pneumatic to folding Explosion-proof cap (7),
The pneumatic cross section to folding Explosion-proof cap (7) is triangular in shape, and monnolithic case is rectangular pyramid shape, in square frame-shaped susceptor plate (19)
Portion is provided with the pneumatic herringbone beam (16) to folding Explosion-proof cap (7) top of support, and described pneumatic split closing lid plate (7) back side is along outward
Edge is provided with sealing strip in one week, coordinates realization to seal, pneumatic right with herringbone beam (16) and square frame-shaped susceptor plate (19)
The facility that keeps off the rain (8) is installed in folding cover plate (7) seam, enters gap with rainwater-proof；The two of pneumatic split closing lid plate (7)
Side links on square frame-shaped susceptor plate (19) through hinge (13), being respectively provided on two sides with of square frame-shaped susceptor plate (19)
Inverted ventilation locker, inverted ventilation locker is provided with baric systerm, inverted ventilation locker be respectively provided on two sides with counter weight device, side
The side of shaped as frame susceptor plate (19) is provided with air pressure pumping plant and the switchgear house providing air pressure into inverted ventilation locker；
Described counter weight device includes counterweight column (1), counterweight armored rope (10), counterweight pulley (11) and counterweight (12),
Described counterweight column (1) is fixed on raised platform around a well (15) through counterweight base (18), and counterweight pulley (11) is located at counterweight column (1)
Top, counterweight armored rope (10) walk around counterweight pulley (11) one end connect counterweight (12), the other end is through Explosion-proof cap chain T-Ring
(9) be fixed on pneumatic on folding Explosion-proof cap (7)；
Described inverted ventilation locker includes pneumatic cylinder column (2), pneumatic cylinder column retainer ring (3), pneumatic cylinder (4), piston
Bar (5), pneumatic cylinder Explosion-proof cap chain T-Ring (6), described pneumatic cylinder column (2) is fixed on raised platform around a well (15) through pneumatic cylinder pedestal (17)
On, pneumatic cylinder (4) is fixed on pneumatic cylinder column (2) through pneumatic cylinder column retainer ring (3), pneumatic cylinder (4) and air pressure
Cylinder column (2) is arranged in angle, and described piston rod (5) links pneumatic folding Explosion-proof cap (7) through Explosion-proof cap chain T-Ring (6)
On.
Main fan Explosion-proof cap vapour-pressure type automatic open close the most according to claim 1 controls device, it is characterised in that: described
Pneumatic cylinder column (2) and herringbone beam (16) on be designed with the sensing that the Explosion-proof cap of open position for monitoring Explosion-proof cap opens and closes
Device.
Main fan Explosion-proof cap vapour-pressure type automatic open close the most according to claim 1 controls device, it is characterised in that: described
Piston rod (5) head be provided with for monitoring whether Explosion-proof cap locks or the sensor of pneumatic cylinder piston rod dynamics of off-load.
Main fan Explosion-proof cap vapour-pressure type automatic open close the most according to claim 1 controls device, it is characterised in that: described
Herringbone beam (16) is U-lag beam or V-shaped groove beam.
Main fan Explosion-proof cap vapour-pressure type automatic open close the most according to claim 1 controls device, it is characterised in that: described close
Strip of paper used for sealing is rubber strip.
Main fan Explosion-proof cap vapour-pressure type automatic open close the most according to claim 1 controls device, it is characterised in that: described
The facility (8) that keeps off the rain is high-strength PVC plastic-coated paulin.
Main fan Explosion-proof cap vapour-pressure type automatic open close the most according to claim 1 controls device, it is characterised in that: described
Baric systerm includes air compressor (25), relief valve (26), air accumulator (27), filter (28), air relief valve (29),
Oil sprayer (30), acoustic filter (31), reversal valve (32) and flow control valve (33), described air accumulator (27) is provided with peace
Full valve (26), the entrance of air accumulator (27) is connected with air compressor (25) by the road, and outlet is sequentially connected with filtration by the road
Device (28), air relief valve (29), oil sprayer (30) and bi-bit bi-pass reversal valve (32), the one of bi-bit bi-pass reversal valve (32)
Individual path connects the gas outlet (23) of pneumatic cylinder (4), another path connection traffic control valve (33), flow by the road by the road
Control valve (33) connects the air inlet (24) of pneumatic cylinder (4) by the road.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301699.4A CN105840238B (en) | 2016-05-09 | 2016-05-09 | Main fan Explosion-proof cap vapour-pressure type automatic open close control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301699.4A CN105840238B (en) | 2016-05-09 | 2016-05-09 | Main fan Explosion-proof cap vapour-pressure type automatic open close control device |
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| CN105840238A true CN105840238A (en) | 2016-08-10 |
| CN105840238B CN105840238B (en) | 2018-03-20 |
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| CN201610301699.4A Expired - Fee Related CN105840238B (en) | 2016-05-09 | 2016-05-09 | Main fan Explosion-proof cap vapour-pressure type automatic open close control device |
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| CN107583760A (en) * | 2017-10-17 | 2018-01-16 | 贵州省地勘装备服务中心 | A kind of PLC swing impact mill control system and its control method |
| CN108757034A (en) * | 2018-08-23 | 2018-11-06 | 扬州市江隆矿业设备有限公司 | The joint flash formula inclined shaft explosion proof door of Self-resetting |
| CN109606561A (en) * | 2018-12-29 | 2019-04-12 | 武汉武船特种船艇有限责任公司 | A kind of ship headstock gear |
| CN114226238A (en) * | 2021-12-10 | 2022-03-25 | 徐州国鼎重工有限公司 | Automatic sealing cover of screening machine |
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| CN201003411Y (en) * | 2007-02-08 | 2008-01-09 | 大同煤矿集团力泰密封有限责任公司 | Wind gate device |
| CN102410044A (en) * | 2011-07-14 | 2012-04-11 | 鸡西司瑞电气有限公司 | Vertical ventilating shaft explosion door capable of automatically resetting after blast release and pressure relief |
| CN202913855U (en) * | 2012-11-12 | 2013-05-01 | 山西先导通研科技有限公司 | Control device of mining air-tight door |
| CN203962037U (en) * | 2014-03-19 | 2014-11-26 | 诺文科风机(北京)有限公司 | A kind of new type mining self-reset explosion-proof door |
| CN204591348U (en) * | 2015-04-28 | 2015-08-26 | 中国矿业大学(北京) | Mine laneway intercepts quick-fried water tank and mine laneway intercepts quick-fried system |
| CN105317453A (en) * | 2015-11-16 | 2016-02-10 | 中国矿业大学 | Dust removal method for waste rock smashing in underground coal mine chamber |
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2016
- 2016-05-09 CN CN201610301699.4A patent/CN105840238B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201003411Y (en) * | 2007-02-08 | 2008-01-09 | 大同煤矿集团力泰密封有限责任公司 | Wind gate device |
| CN102410044A (en) * | 2011-07-14 | 2012-04-11 | 鸡西司瑞电气有限公司 | Vertical ventilating shaft explosion door capable of automatically resetting after blast release and pressure relief |
| CN202913855U (en) * | 2012-11-12 | 2013-05-01 | 山西先导通研科技有限公司 | Control device of mining air-tight door |
| CN203962037U (en) * | 2014-03-19 | 2014-11-26 | 诺文科风机(北京)有限公司 | A kind of new type mining self-reset explosion-proof door |
| CN204591348U (en) * | 2015-04-28 | 2015-08-26 | 中国矿业大学(北京) | Mine laneway intercepts quick-fried water tank and mine laneway intercepts quick-fried system |
| CN105317453A (en) * | 2015-11-16 | 2016-02-10 | 中国矿业大学 | Dust removal method for waste rock smashing in underground coal mine chamber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583760A (en) * | 2017-10-17 | 2018-01-16 | 贵州省地勘装备服务中心 | A kind of PLC swing impact mill control system and its control method |
| CN108757034A (en) * | 2018-08-23 | 2018-11-06 | 扬州市江隆矿业设备有限公司 | The joint flash formula inclined shaft explosion proof door of Self-resetting |
| CN109606561A (en) * | 2018-12-29 | 2019-04-12 | 武汉武船特种船艇有限责任公司 | A kind of ship headstock gear |
| CN114226238A (en) * | 2021-12-10 | 2022-03-25 | 徐州国鼎重工有限公司 | Automatic sealing cover of screening machine |
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| Publication number | Publication date |
|---|---|
| CN105840238B (en) | 2018-03-20 |
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