CN109404035A - Inflatable air door - Google Patents
Inflatable air door Download PDFInfo
- Publication number
- CN109404035A CN109404035A CN201811305412.0A CN201811305412A CN109404035A CN 109404035 A CN109404035 A CN 109404035A CN 201811305412 A CN201811305412 A CN 201811305412A CN 109404035 A CN109404035 A CN 109404035A
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- Prior art keywords
- door body
- plenum space
- door
- tunnel
- controller
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- 239000003245 coal Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000012512 characterization method Methods 0.000 claims description 7
- 230000008092 positive effect Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/10—Air doors
- E21F1/12—Devices for automatically opening air doors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The present invention provides a kind of inflatable air door, comprising: doorframe, along tunnel, cross-sectional direction is fixed in tunnel, is fixed on the top plate in the tunnel at the top of the doorframe, and the left and right side of the doorframe is helped to connect with the coal of the tunnel two sides respectively；Door body is set on the front side or rear side of the doorframe, the door body on one side with the doorframe while connect；The door body includes the first diaphragm seal and the second diaphragm seal prepared by light material, the edge of first diaphragm seal is connected with the edge seal of second diaphragm seal, make to form plenum space between the first diaphragm seal and second diaphragm seal, filling gas is used in the plenum space.Door body is prepared using light material in this programme, and gassy among door body, thus is easily installed and is transported.
Description
Technical field
The present invention relates to mining equipment fields, and in particular to a kind of inflatable air door.
Background technique
Air door is the important structures in mine ventilation system, is generally positioned in air return lane and air inlet, it can separate
It is distinguished and admirable, it creates conditions for the distribution according to need of mine air, while being provided conveniently for pedestrian and transport again.With the development of science and technology
The type of air door is also increasing, and can be divided into manual air door, electric flap, electrically controlled and hydraulically air door, electropneumatic according to power source
Air door etc..These air doors are generally all made of fixed doorframe, the single fan being mounted on door-hinge or biparting door body, except manual air door with
Remaining outer type air door further includes control system, for controlling opening or closing for door body.Since door body generally uses metal material
Material is made, thus door body is heavy, so brings inconvenience to installation.
Summary of the invention
Present invention seek to address that air door in the prior art is made using metal material, thus door body is heavy, to peace
The problem of dress is made troubles.
To solve the above problems, the present invention provides a kind of inflatable air door, comprising:
Doorframe, along tunnel, cross-sectional direction is fixed in tunnel, and the top plate in the tunnel is fixed at the top of the doorframe
On, the left and right side of the doorframe is helped to connect with the coal of the tunnel two sides respectively；
Door body is set on the front side or rear side of the doorframe, the door body on one side with the doorframe while connect；
The door body includes the first diaphragm seal and the second diaphragm seal prepared by light material, the edge of first diaphragm seal and described
The edge seal of second diaphragm seal connects, and makes to form plenum space between the first diaphragm seal and second diaphragm seal, described to fill
Filling gas is used in headroom.
Optionally, inflatable air door described above, the doorframe include:
Crossbeam is fixed on the top plate in the tunnel along the tunnel cross-sectional direction, the length of the crossbeam with it is described
The width in tunnel is adapted；
First support bar and second that is symmetrical along the tunnel cross section and being close to the setting of tunnel side coal side
The top of support rod, the top of the first support bar and the second support bar is connect with the first end of the crossbeam；
Third support rod and that is symmetrical along the tunnel cross section and being close to the setting of tunnel other side coal side
The top of four support rods, the top of the third support rod and the 4th support rod is connect with the second end of the crossbeam；
The first support bar and the third support rod are coplanar, and the second support bar and the 4th support rod are total
Face.
Optionally, inflatable air door described above further include:
Control mechanism, when control mechanism forward direction starting for opening the door body；When the control mechanism is reversed
For closing the door body when starting.
Optionally, inflatable air door described above further include:
Optical sensor is set in the door body, for detecting the luminous energy around the door body, output end output characterization
The light energy signal of the luminous energy size；
Controller receives the light energy signal, when the light energy signal received is greater than given threshold, the control
Device controls the control mechanism forward direction starting, and the door body is opened.
Optionally, inflatable air door described above further include:
Image-pickup device is set in the door body, for obtaining the image or image of the door body surrounding objects,
Video signal of the output end output comprising described image or image；
The controller receives the video signal, is different from vehicle according to the object that the video signal obtains
When, control the control mechanism reverse starting, the door body closure.
Optionally, in inflatable air door described above:
Form the first engraved structure on first diaphragm seal, on second diaphragm seal with first engraved structure
Corresponding position form the second engraved structure, the edge seal at the edge of first engraved structure and second engraved structure
Connection, the edge at the edge and second engraved structure that make first engraved structure surrounds side door frame；
Side door body, including the first side door diaphragm seal and second side door sealing piece being prepared by light material, described
The edge of side door sealing piece is connected with the edge seal of second side door sealing piece, makes the first side door diaphragm seal and institute
It states and forms time plenum space between second side door sealing piece；The side of the side door body and the side of the side door frame, which rotate, to be connected
It connects.
Optionally, inflatable air door described above further includes time reversal valve and switch button, wherein
The secondary plenum space is connect by the secondary reversal valve with supply air line and the external world；
The switch button is set on the side door body；When the switch button is touched by forward direction, the switch is pressed
Button controls the secondary reversal valve positive action, and the secondary plenum space is in communication with the outside, and discharges the gas in the secondary plenum space
Body；When the switch button is reversed touching, the switch button controls the secondary reversal valve counteragent, described inflation
Space is connected to the supply air line, for the secondary plenum space inflation.
It optionally, further include main reversing valve in inflatable air door described above, in which:
The plenum space is connect by the main reversing valve with the supply air line, the main reversing valve and described secondary is changed
It is connect to valve with the controller；
First baroceptor is set in the door body, big for detecting inflation pressure inside the plenum space
It is small, the first pressure signal of the output end output characterization inflation pressure size；
Second baroceptor is set on the side door body, for detecting the secondary inflation inside the secondary plenum space
Pressure, the second pressure signal of output end output described inflation pressure size of characterization；
The controller receives first pressure signal and second pressure signal；
When first pressure signal that the controller receives is less than the first threshold pressure, the controller controls institute
Main reversing valve counteragent is stated, the plenum space is connected to the supply air line, is inflated for the plenum space；When the control
When first pressure signal that device processed receives is equal to or more than the second threshold pressure, the controller controls the main commutation
Valve resets, and blocks the connection between the plenum space and the supply air line；
When second pressure that the controller receives is less than first threshold pressure, the controller controls institute
State time reversal valve counteragent；When second pressure that the controller receives is equal to or more than second threshold pressure
When, the controller control secondary reversal valve resets, and blocks the connection of the secondary plenum space and the supply air line；It is described
Second threshold pressure is greater than first threshold pressure.
Optionally, in inflatable air door described above:
The top of the door body is fixedly connected with the crossbeam；
The control mechanism includes the motor and wirerope being set on the back, and the wirerope is for connecting
The bottom end of the shaft of the motor and the door body；
When the light energy signal that the controller receives is greater than given threshold, the controller is controlling the motor just
Turn the tightening wirerope to open the door body；
When the controller is different from vehicle according to the object that the video signal obtains, the controller controls the electricity
Machine reversion, puts the wirerope outside to close the door body.
Optionally, in inflatable air door described above:
The plenum space also passes through the main reversing valve and also connect with the external world；
While the motor rotates forward, the controller also controls the main reversing valve and the secondary reversal valve forward direction is dynamic
Make, the plenum space and the secondary plenum space are in communication with the outside, discharge in the plenum space and the secondary plenum space
Gas；
While the motor reversal, the controller also controls the main reversing valve and the secondary reversal valve reversely moves
Make, the plenum space and the secondary plenum space are connected to the supply air line, are the plenum space and described inflation
Inflated spatial.
Optionally, in inflatable air door described above:
The door body includes the first door body and the second door body, and when first door body and coplanar second door body separates institute
State tunnel cross section；
The doorframe further includes bottom bar, and the bottom bar connects the first support bar and third support rod；On the crossbeam
The first slideway is formed along the length direction of the crossbeam；It is sliding that length direction on the bottom bar along the bottom bar forms second
Road, first slideway and second slideway are coplanar；First door body is fixed on the doorframe, first door body
The side in the side closely tunnel, second door body are slided along first slideway and second slideway；
The control mechanism includes hydraulic cylinder, and the coal that the tunnel side is fixed in one end of the hydraulic cylinder is helped, institute
The other end for stating hydraulic cylinder is fixed in second door body, and the hydraulic cylinder is connect by hydraulicdirectional control valve with liquid feeding pipeline；
When the light energy signal that the controller receives is greater than given threshold, the controller controls the hydraulicdirectional control valve
Positive action is to open second door body；
When the controller is different from vehicle according to the object that the video signal obtains, the controller controls the liquid
Press reversal valve counteragent to close second door body.
Inflatable air door of the present invention, using the structure being made of the first diaphragm seal and the second diaphragm seal as door
Body, and be prepared in the first diaphragm seal and the second diaphragm seal by light material, first diaphragm seal and second sealing
Filling gas between piece, thus door body is light-weight, is easily installed and transports.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of inflatable air door described in one embodiment of the invention；
Fig. 2 is the structural schematic diagram of the doorframe of inflatable air door described in one embodiment of the invention；
Fig. 3 is the structural schematic diagram of inflatable air door described in one embodiment of the invention；
Fig. 4 is the structural schematic diagram of the door body of inflatable air door described in one embodiment of the invention；
Fig. 5 is the structural schematic diagram of inflatable air door described in one embodiment of the invention；
Fig. 6 is the structural schematic diagram of inflatable air door described in one embodiment of the invention；
Fig. 7 is the structural schematic diagram of inflatable air door described in one embodiment of the invention.
Specific embodiment
Below in conjunction with attached drawing, the embodiment of the present invention will be further explained.In the description of the present invention, it should be noted that remove
Non- separately to have specific regulation and limit, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixed connect
It connects, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be direct phase
Even, the connection of two component internals can also be can be indirectly connected through an intermediary.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The present embodiment provides a kind of inflatable air doors, as shown in Figure 1, including doorframe 1 and door body 2.The doorframe 1 is along tunnel
3 direction of cross section is fixed in tunnel, and the top of the doorframe 1 is fixed on the top plate in the tunnel, the left side of the doorframe 1
It helps to connect with the coal of the tunnel two sides respectively with right side.The door body 2 is set on the front side or rear side of the doorframe 1, and
The door body 2 on one side with the doorframe 1 while connect.The door body 2 include be prepared by light material it is first close
Mounting and the second diaphragm seal, the edge of first diaphragm seal are connected with the edge seal of second diaphragm seal, make described
Plenum space is formed between one diaphragm seal and second diaphragm seal, the plenum space is used for filling gas.The lightweight material
Material is rubber, polyurethane etc..
Inflatable air door described in the present embodiment, using the structure being made of the first diaphragm seal and the second diaphragm seal as door
Body 2, and be prepared in the first diaphragm seal and the second diaphragm seal by light material, first diaphragm seal and second sealing
Filling gas between piece, thus door body 2 is light-weight, is easily installed and transports.
In some embodiments, metal material preparation can be used in the doorframe 1, and the front side of doorframe 1 and rear side are equal
Elasticity layer is set, and the elastic layer is prepared by elastic material, such as rubber, polyurethane etc..When the closely door of door body 2
When frame 1, elastic layer is clipped between the door body 2 and the doorframe 1, can play the role of buffering, while can seal door body 2 and door
Gap between frame 1.The concrete shape of the doorframe 1 can be used common doorframe shape, such as shown in Figure 1, include level
The crossbeam of setting and the first strut and the second strut being vertically arranged, and the top on the top of the first strut and second strut
It is connect respectively with the both ends of the crossbeam.
The present embodiment provides a kind of concrete shapes of doorframe 1, as shown in Fig. 2, including crossbeam 11, first support bar 12, the
Two support rods 13, third support rod 14 and the 4th support rod 15.The crossbeam 11 is fixed on institute along 3 direction of tunnel cross section
It states on the top plate in tunnel, and the width in the length of the crossbeam 11 and the tunnel is adapted；The first support bar 12 and institute
It is symmetrical along the tunnel cross section 3 to state second support bar 13, and the first support bar 12 and the second support bar 13
The top of closely tunnel side coal side setting, the top of the first support bar 12 and the second support bar 13 with
The first end of the crossbeam 11 connects；The third support rod 14 and the 4th support rod 15 are right along the tunnel cross section 3
Claim distribution, and the closely tunnel other side coal side setting of the third support rod 14 and the 4th support rod 15, it is described
The top of third support rod 14 and the top of the 4th support rod 15 are connect with the second end of the crossbeam 11.And first
Strut 12 and the third support rod 14 are coplanar, and second support bar 13 and the 4th support rod 15 are coplanar, first support
The side of 11 structure of bar 12, the third support rod 14 and the crossbeam at the doorframe 1 front side, the second support bar 13,
The other side of 4th support rod 15 and the crossbeam 11 constitutes the rear side of the doorframe 1, the first support bar 12, described
The side that second support bar 13 is helped towards tunnel side coal is the left side of the doorframe 1, the third support rod 14, described
4th support rod 15 is the right side of the doorframe 1 towards the side that tunnel other side coal is helped.Doorframe 1 described in the present embodiment
Structure, so that former and later two surfaces of doorframe 1 are respectively formed an inclined-plane, so as shown in figure 3, when door body 2 is set to the door
When the front side or rear side of frame 1, door body 2 can closely the front side or rear side of the doorframe 1, raising be sealed under the effect of gravity
Performance, wherein the front-rear direction of doorframe 1 is the direction perpendicular to tunnel cross section 3.
Door body 2 needs the draft type referring to tunnel in arrangement, it is assumed that the front side of the doorframe 1 towards the fully mechanized coal face,
And the pressure of fully mechanized coal face be greater than outside pressure when, the door body 2 is arranged in the front side of the doorframe 1；If the pressure of fully mechanized coal face is small
When outside pressure, the door body 2 is then arranged in the rear side of the doorframe 1, and so under the action of wind pressure, door body 2 can be closely
The doorframe 1, plays the role of sealing.The embodiment and attached drawing of this programme with the front side of doorframe 1 towards the fully mechanized coal face, and
The pressure of fully mechanized coal face is illustrated for being greater than outside pressure.In addition, since the surface of the front side of doorframe 1 and the surface of rear side are equal
Be obliquely installed so that the area of door body 2 increases, in the identical situation of wind pressure, door body 2 and 1 front side or rear side of doorframe it
Between pressure also will increase, thus be conducive to improve leakproofness.
Occasionally there is pedestrian's process in tunnel, therefore as shown in figure 3, be provided with side door body 4 for pedestrians in door body 2,
The side door body 4 includes the first side door diaphragm seal and second side door sealing piece being prepared by light material, first side
The edge of door sealing piece is connected with the edge seal of second side door sealing piece, makes the first side door diaphragm seal and described
Form time plenum space between two side door diaphragm seals, the light material that the side door body 4 is selected can with selected by the door body 2
Light material is consistent.And as shown in figure 4, form the first engraved structure on first diaphragm seal, second diaphragm seal
It is upper to form the second engraved structure, the edge of first engraved structure and described second with first engraved structure corresponding position
The edge seal of engraved structure connects, and the edge at the edge and second engraved structure that make first engraved structure surrounds side
Doorframe 5.The side of the side door body 4 and the side of the side door frame 5, which rotate, to be connected, thus side door body 4 can surround the side
The side of doorframe 5 rotates, and pedestrian can pass in and out the side door body 4 by push side door body 4.
To guarantee the leakproofness between the side door body 4 and the door body 2, until the edge surrounding of the side door frame 5 is equal
Mouth structure, the fixing structure on the edge of the side door frame 5 specifically, form limiting slot, the side of the side door body 4
Edge is respectively positioned in the limiting slot.
Due under the action of wind pressure and self gravity, pedestrian's push side door body 4 whens, is not easy to, thus above-mentioned side
Case further includes time reversal valve and switch button, and the secondary plenum space is connected by the secondary reversal valve and supply air line and the external world
It connects.Specifically, the switch button is set on the side door body 4, when the switch button is touched by forward direction, the switch
Button controls the magnetic reversal valve positive action, and the secondary plenum space is connect with the external world, discharges in the secondary plenum space
Gas, at this point, the side door body 4 of release gas can easily be opened；It is described to open when the switch button is reversed touching
It closes button and controls the secondary reversal valve counteragent, the secondary plenum space is connected to the supply air line, for described inflation
Inflated spatial, at this point, the side door body 4 after inflation covers side door frame 5 under the action of fixing structure and wind pressure.When the switch is pressed
When button is untouched, the secondary reversal valve resets, and the secondary plenum space is not connected to the air supply valve, also not with the external world
Connection.When the gas of the secondary plenum space in the secondary door body 2 is discharged, the volume of this door body 2 reduces, thus by
Pressure reduce, pedestrian can easily open the secondary door body 2.Rocker type switch, rotary switch etc. can be selected in the switch button,
The secondary reversal valve uses solenoid directional control valve, and the solenoid directional control valve has the first electromagnet, the second electromagnet and spool, described
First electromagnet is connected to power supply by the switch button, and second electromagnet is connected by the switch button and power supply
It connects, when the switch button is touched by forward direction, first electromagnet is connected with power supply, and first electromagnet generates magnetic field
Attract spool；When the switch button is reversed touching, second electromagnet is connected with power supply, and second electromagnet produces
Spool described in raw magnetic field suction；When switch button is not touched, first electromagnet and second electromagnet with
The power supply disconnects, and the spool is centrally located.Inertia may be selected in gas source under institute's supply air line connected well, the gas
Gas, the inert gas chemical property torpescence are not easy and other gas reactions, it is ensured that use gas in tunnel gas leakage
Safety.
Vehicle process is also had other than pedestrian, in tunnel, when vehicle passes through, is needed for opening door of vehicle.Thus, on
The scheme of stating further includes control mechanism, and the control mechanism is for opening or closing the door body 2 so that vehicle passes through.Specifically,
When control mechanism forward direction starting for opening the door body 2, when the control mechanism reverse starting for closing institute
State door body 2.Various ways realization can be used in the control mechanism, and the specific implementation of the control structure is dependent on described
The concrete shape of door body 2.
The control mechanism can be realized by manual control, i.e., the described control mechanism is provided with positive start button and reversed
Start button keeps control mechanism positive when driver drives close to door body 2 by the positive start button being set in door body 2
Starting, opens the door body 2, after driver driving vehicle passes through door body 2, passes through the reverse starting button being set in door body 2
Make control mechanism reverse starting, closes door body 2.In some specific embodiments, the control mechanism can pass through automated manner
Control, specifically, above scheme further includes optical sensor, image-pickup device and controller, for automatic when vehicle passes through
Open door body 2.The optical sensor is set in the door body 2, for detecting the luminous energy around the door body 2, output end
Output characterizes the light energy signal of the luminous energy size, and ambient light sensor can be used in the optical sensor；Described image intake dress
It installs and is placed in the door body 2, for obtaining the image or image of 2 surrounding objects of door body, described image capturing apparatus
Infrared camera can be used in video signal of the output end output comprising described image or image, described image capturing apparatus.Control
Device processed is connect with the optical sensor and image-pickup device, and the controller receives the light energy signal and video signal, when
When the light energy signal that controller receives is greater than given threshold, the controller controls the control mechanism forward direction starting,
The door body 2 is opened, the given threshold can depending on the ambient light energy situation in tunnel, according to optical sensor type not
Together, the case where given threshold may be set to 0.1A or 0.1V etc., can exclude the flashlight that pedestrian holds；When the controller
After receiving video signal, the image or image for including in the video signal are obtained, and identify in described image or image
Object controls the control mechanism reverse starting when the object of identification is different from vehicle, and the door body 2 is closed.Due to
Without headlamp or other light emitting devices at position where air door, thus vehicle needs to open in tunnel headlamp when driving,
Therefore above-mentioned optical sensor can accurately identify the close of vehicle according to the variation of luminous energy, open air door in time.Described image intake
Infrared camera can be used in device, thus object can be also captured in pitch-dark tunnel.
For the abundance for guaranteeing time plenum space gas in plenum space and side door body 4 in door body 2, above scheme further includes the
One baroceptor and the second baroceptor, and the plenum space is connect by main reversing valve with the supply air line, institute
It states main reversing valve and the secondary reversal valve is connect with the controller.Specifically, the main reversing valve and the secondary reversal valve can
It is connect by electric-controlled switch with the controller, the electric-controlled switch receives the control signal of the controller, according to the control
Solenoid directional control valve can be used in signal closing or opening processed, the main reversing valve and the secondary reversal valve, and the electric-controlled switch can
For controlling the connection status of solenoid directional control valve and power supply.First baroceptor is set in the door body 2, for examining
The inflation pressure size inside the plenum space is surveyed, the output end output of first baroceptor characterizes the inflation pressure
Powerful the first small pressure signal.Second baroceptor is set on the side door body 4, for detecting the secondary plenum space
Internal secondary inflation pressure, the second pressure signal of output end output described inflation pressure size of characterization.The controller
It is connect with first baroceptor and second baroceptor, receives first pressure signal and second pressure
Strong signal, when first pressure signal that the controller receives is less than the first threshold pressure, the controller control
The main reversing valve counteragent, the plenum space are connected to the supply air line, are inflated for the plenum space；When described
When first pressure signal that controller receives is equal to or more than the second threshold pressure, the controller controls the master and changes
It is resetted to valve, blocks the connection between the plenum space and the supply air line.And second threshold pressure is greater than described
First threshold pressure, first threshold pressure should be set according to the pressure size in tunnel, and first threshold pressure should
More than or equal to the pressure size in a tunnel, deformation is overstock to avoid by the pressure in tunnel；Second threshold pressure
It should be set according to the pressure size that first diaphragm seal and the second diaphragm seal are able to bear, second threshold pressure is answered small
In the maximum pressure that the first diaphragm seal and the second diaphragm seal can bear.When second pressure that the controller receives is small
When first threshold pressure, the controller controls the secondary reversal valve counteragent, the secondary plenum space with it is described
Supply air line connection, for the secondary plenum space inflation；When second pressure that the controller receives is equal to or more than
When second threshold pressure, the controller control secondary reversal valve resets, and blocks the secondary plenum space and the confession
The connection of air pipe.
In some embodiments, as shown in figure 5, the door body 2 can only use one, a door body 2 is covered
The front side of the doorframe 1 is covered, and the top of the door body 2 is fixedly connected with the crossbeam 11.Specifically, can by with the cross
The comparable fixed plate of 11 length of beam is fixed, i.e., fixed plate is fixed on crossbeam 11, and the top of the door body 2 is located at described
Between crossbeam 11 and the fixed plate.The control mechanism includes the motor 6 and wirerope being set on the back, institute
Wirerope is stated for connecting the shaft of the motor 6 and the bottom end of the door body 2, likewise, the bottom end of the door body 2 is by first
Grip block and the second grip block are fixed, i.e., described first grip block and second grip block are oppositely arranged and fix, the door
The bottom end is between first grip block and second grip block, the one end of the wirerope then and first folder
Plate and the connection of the second grip block are held, the other end is connect with the shaft of motor 6.The plenum space of the door body 2 is changed by the master
It is also connect to valve with the external world, when the light energy signal that the controller receives is greater than given threshold, the controller control
The main reversing valve and time reversal valve positive action are made, the plenum space and the secondary plenum space are in communication with the outside, and discharge
Gas in the plenum space and the secondary plenum space, meanwhile, the controller controls the motor 6 and rotates forward, and winds institute
Wirerope is stated, the bottom end of the door body 2 is lifted, and the door body 2 is opened.When the controller is obtained according to the video signal
Object when being different from vehicle, the controller controls the main reversing valve and time reversal valve counteragent, the plenum space
It is connected to the secondary plenum space with the supply air line, is inflated for the plenum space and the secondary plenum space, meanwhile, institute
It states controller and controls the reversion of motor 6, the bottom end of the rope stretch, the door body 2 is laid down, and the door body 2 is closed.
In some embodiments, as shown in fig. 6, the door body 2 is two, respectively the first door body 21 and second
The tunnel cross section 3 is covered when door body 22, first door body 21 and coplanar second door body 22.The doorframe 1 is then gone back
Including bottom bar 7, the bottom bar 7 connects the first support bar 12 and third support rod 14, due to first support bar 12 and third
Support rod 14 is coplanar, thus the bottom bar 7, the crossbeam 11, the first support bar 12 and the third support rod 14 are also total
Face.Length direction on the crossbeam 11 along the crossbeam 11 forms the first slideway, along the bottom bar 7 on the bottom bar 7
Length direction forms the second slideway, and first slideway and second slideway are coplanar.First door body 21 is fixed on institute
It states on doorframe 1, the side in the side of the first door body 21 closely tunnel, second door body 22 is along first slideway
It is slided with second slideway.The control mechanism includes hydraulic cylinder 8, and the tunnel one is fixed in one end of the hydraulic cylinder 8
The coal of side is helped, and the other end of the hydraulic cylinder 8 is fixed in second door body 22, and the hydraulic cylinder 8 passes through hydraulic commutation
Valve is connect with liquid feeding pipeline；When the light energy signal that the controller receives is greater than given threshold, liquid described in the controller
Reversal valve positive action is pressed, hydraulic cylinder retraction pulls second door body 22 mobile to first door body 21, and final the
Two door body 22 and the overlapping of the first door body 21, second door body 22 are opened；When the controller is obtained according to the video signal
Object when being different from vehicle, hydraulicdirectional control valve counteragent described in the controller, the hydraulic cylinder elongation pushes described the
Two door body 22 keep second door body 22 and first door body 21 non-overlapping, and second door body 22 is closed.It is described hydraulic to change
Solenoid directional control valve can also be used to valve.When first door body 21 and the second door body 22 are set to the rear side of doorframe 1, the bottom
Bar 7 can be used for connection second support bar 13 and the 4th support rod 15.
When it is implemented, two inflatable air doors cooperate with as shown in fig. 7, two inflatable air doors can be arranged on tunnel
Work, when one of door opening, another air door is closed, and can so reduce the air pressure change of fully mechanized coal face, guarantees underground
Ventilation.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (11)
1. a kind of inflatable air door characterized by comprising
Doorframe, along tunnel, cross-sectional direction is fixed in tunnel, is fixed on the top plate in the tunnel at the top of the doorframe, institute
The left and right side for stating doorframe is helped to connect with the coal of the tunnel two sides respectively；
Door body is set on the front side or rear side of the doorframe, the door body on one side with the doorframe while connect；It is described
Door body includes the first diaphragm seal and the second diaphragm seal prepared by light material, the edge of first diaphragm seal and described second
The edge seal of diaphragm seal connects, and makes to form plenum space between the first diaphragm seal and second diaphragm seal, and the inflation is empty
Between in be used for filling gas.
2. inflatable air door according to claim 1, which is characterized in that the doorframe includes:
Crossbeam is fixed on the top plate in the tunnel along the tunnel cross-sectional direction, the length of the crossbeam and the tunnel
Width be adapted；
First support bar and the second support symmetrical along the tunnel cross section and that be close to the setting of tunnel side coal side
The top of bar, the top of the first support bar and the second support bar is connect with the first end of the crossbeam；
It is symmetrical along the tunnel cross section and be close to the tunnel other side coal side setting third support rod and the 4th
The top of strut, the top of the third support rod and the 4th support rod is connect with the second end of the crossbeam；
The first support bar and the third support rod are coplanar, and the second support bar and the 4th support rod are coplanar.
3. inflatable air door according to claim 2, which is characterized in that further include:
Control mechanism, when control mechanism forward direction starting for opening the door body；When the control mechanism reverse starting
When for closing the door body.
4. inflatable air door according to claim 3, which is characterized in that further include:
Optical sensor is set in the door body, and for detecting the luminous energy around the door body, output end is exported described in characterization
The light energy signal of luminous energy size；
Controller receives the light energy signal, when the light energy signal received is greater than given threshold, the controller control
The control mechanism forward direction starting is made, the door body is opened.
5. inflatable air door according to claim 4, which is characterized in that further include:
Image-pickup device is set in the door body, for obtaining the image or image of the door body surrounding objects, is exported
Video signal of the end output comprising described image or image；
The controller receives the video signal, when being different from vehicle according to the object that the video signal obtains, control
Make the control mechanism reverse starting, the door body closure.
6. inflatable air door according to claim 5, it is characterised in that:
Form the first engraved structure on first diaphragm seal, pair on second diaphragm seal with first engraved structure
Should place form the second engraved structure, the edge seal of the edge of first engraved structure and second engraved structure connects
It connects, the edge at the edge and second engraved structure that make first engraved structure surrounds side door frame；
Side door body, including the first side door diaphragm seal and second side door sealing piece being prepared by light material, first side
The edge of door sealing piece is connected with the edge seal of second side door sealing piece, makes the first side door diaphragm seal and described
Time plenum space is formed between two side door diaphragm seals；The side of the side door body and the side of the side door frame, which rotate, to be connected.
7. inflatable air door according to claim 6, which is characterized in that further include time reversal valve and switch button, wherein
The secondary plenum space is connect by the secondary reversal valve with supply air line and the external world；
The switch button is set on the side door body；When the switch button is touched by forward direction, the switch button control
The secondary reversal valve positive action is made, the secondary plenum space is in communication with the outside, and discharges the gas in the secondary plenum space；When
When the switch button is reversed touching, the switch button controls the secondary reversal valve counteragent, the secondary plenum space
It is connected to the supply air line, for the secondary plenum space inflation.
8. inflatable air door according to claim 7, which is characterized in that further include main reversing valve, in which:
The plenum space is connect by the main reversing valve with the supply air line, the main reversing valve and the secondary reversal valve
It is connect with the controller；
First baroceptor is set in the door body, for detecting the inflation pressure size inside the plenum space,
First pressure signal of the output end output characterization inflation pressure size；
Second baroceptor is set on the side door body, for detecting the secondary inflation pressure inside the secondary plenum space,
Second pressure signal of its output end output described inflation pressure size of characterization；
The controller receives first pressure signal and second pressure signal；
When first pressure signal that the controller receives is less than the first threshold pressure, the controller controls the master
Reversal valve counteragent, the plenum space are connected to the supply air line, are inflated for the plenum space；When the controller
When first pressure signal received is equal to or more than the second threshold pressure, it is multiple that the controller controls the main reversing valve
Position, blocks the connection between the plenum space and the supply air line；
When second pressure that the controller receives is less than first threshold pressure, described controller control described time
Reversal valve counteragent；When second pressure that the controller receives is equal to or more than second threshold pressure,
The controller control secondary reversal valve resets, and blocks the connection of the secondary plenum space and the supply air line；Described
Two threshold pressures are greater than first threshold pressure.
9. inflatable air door according to claim 8, it is characterised in that:
The top of the door body is fixedly connected with the crossbeam；
The control mechanism includes the motor and wirerope being set on the back, and the wirerope is described for connecting
The bottom end of the shaft of motor and the door body；
When the light energy signal that the controller receives is greater than given threshold, the controller controls the motor and rotates forward receipts
The tight wirerope is to open the door body；
When the controller is different from vehicle according to the object that the video signal obtains, it is anti-that the controller controls the motor
Turn, puts the wirerope outside to close the door body.
10. inflatable air door according to claim 9, it is characterised in that:
The plenum space also passes through the main reversing valve and also connect with the external world；
While the motor rotates forward, the controller also controls the main reversing valve and the secondary reversal valve positive action,
The plenum space and the secondary plenum space are in communication with the outside, and discharge the gas in the plenum space and the secondary plenum space
Body；
While the motor reversal, the controller also controls the main reversing valve and the secondary reversal valve counteragent,
The plenum space and the secondary plenum space are connected to the supply air line, are the plenum space and the secondary plenum space
Inflation.
11. according to the described in any item inflatable air doors of claim 4-7, it is characterised in that:
The door body includes the first door body and the second door body, and when first door body and coplanar second door body covers the lane
Road cross section；
The doorframe further includes bottom bar, and the bottom bar connects the first support bar and third support rod；Along institute on the crossbeam
The length direction for stating crossbeam forms the first slideway；Length direction on the bottom bar along the bottom bar forms the second slideway,
First slideway and second slideway are coplanar；First door body is fixed on the doorframe, and the one of first door body
The side in the side closely tunnel, second door body are slided along first slideway and second slideway；
The control mechanism includes hydraulic cylinder, and the coal that the tunnel side is fixed in one end of the hydraulic cylinder is helped, the liquid
The other end of cylinder pressure is fixed in second door body, and the hydraulic cylinder is connect by hydraulicdirectional control valve with liquid feeding pipeline；
When the light energy signal that the controller receives is greater than given threshold, it is positive that the controller controls the hydraulicdirectional control valve
Movement is to open second door body；
When the object that the controller is obtained according to the video signal is different from vehicle, the controller control is described hydraulic to be changed
To valve counteragent to close second door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305412.0A CN109404035B (en) | 2018-11-05 | 2018-11-05 | Inflatable air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305412.0A CN109404035B (en) | 2018-11-05 | 2018-11-05 | Inflatable air door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109404035A true CN109404035A (en) | 2019-03-01 |
| CN109404035B CN109404035B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811305412.0A Active CN109404035B (en) | 2018-11-05 | 2018-11-05 | Inflatable air door |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107334A (en) * | 2019-04-11 | 2019-08-09 | 临沂矿业集团有限责任公司 | A kind of connection roadway relief damper |
| WO2021108866A1 (en) * | 2019-12-04 | 2021-06-10 | Underground Extraction Technologies Pty Ltd | Mine plunge ventilation device |
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| CN2085418U (en) * | 1990-10-13 | 1991-09-25 | 宋九成 | Aerocyst type protecting door for coal mine |
| CN202788938U (en) * | 2012-02-28 | 2013-03-13 | 山西创奇实业有限公司 | Inflatable temporary alternative apparatus for mine explosion-proof door |
| WO2015189537A1 (en) * | 2014-06-10 | 2015-12-17 | The Secretary Of State For Defence | An inflatable tunnel plug |
| CN205422794U (en) * | 2016-03-14 | 2016-08-03 | 河北钢铁集团矿业有限公司 | Mining air door of easy dismouting |
| CN108729949A (en) * | 2018-05-21 | 2018-11-02 | 辽宁工程技术大学 | A kind of underground connection roadway rapid sealing device and its application method |
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|---|---|---|---|---|
| CN2085418U (en) * | 1990-10-13 | 1991-09-25 | 宋九成 | Aerocyst type protecting door for coal mine |
| CN202788938U (en) * | 2012-02-28 | 2013-03-13 | 山西创奇实业有限公司 | Inflatable temporary alternative apparatus for mine explosion-proof door |
| WO2015189537A1 (en) * | 2014-06-10 | 2015-12-17 | The Secretary Of State For Defence | An inflatable tunnel plug |
| CN205422794U (en) * | 2016-03-14 | 2016-08-03 | 河北钢铁集团矿业有限公司 | Mining air door of easy dismouting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110107334A (en) * | 2019-04-11 | 2019-08-09 | 临沂矿业集团有限责任公司 | A kind of connection roadway relief damper |
| WO2021108866A1 (en) * | 2019-12-04 | 2021-06-10 | Underground Extraction Technologies Pty Ltd | Mine plunge ventilation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109404035B (en) | 2020-10-30 |
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