CN108286453B - Tunnel air door - Google Patents
Tunnel air door Download PDFInfo
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- CN108286453B CN108286453B CN201810009420.4A CN201810009420A CN108286453B CN 108286453 B CN108286453 B CN 108286453B CN 201810009420 A CN201810009420 A CN 201810009420A CN 108286453 B CN108286453 B CN 108286453B
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- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000012544 monitoring process Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008654 plant damage Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
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- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- 238000013024 troubleshooting Methods 0.000 description 1
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- 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
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- 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
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Abstract
The invention discloses a tunnel air door, comprising: the device comprises a door frame, a door opening and a control unit, wherein the door frame is provided with a door opening for passing an object to be passed; the air door body is rotatably connected with the door frame and is used for sealing or opening the doorway; the driving mechanism is arranged on the door frame and is used for driving the air door body to rotate in a reciprocating manner; the first sensor is used for monitoring and collecting distance information between the object to be passed and the doorway and outputting a monitoring signal; and the control mechanism receives the monitoring signal, compares the monitoring signal with a preset signal, and controls the forward or reverse driving of the driving mechanism to drive the air door body to rotate according to a comparison result. The invention provides a roadway air door, which can be used for realizing quick and automatic start and stop of the roadway air door and improving the safety performance.
Description
Technical Field
The invention relates to mine ventilation equipment, in particular to a roadway air door.
Background
Whether the ventilation system can stably, reliably and safely operate or not directly influences the safe production of a mine, and the ventilation equipment which operates stably is a necessary condition for the reliability and the stability of the ventilation system. The tunnel air door is an important structure in ventilation equipment and is used for isolating tunnel wind flow so as to adjust and control the wind speed and flow in the tunnel; and the device is also used for vehicles and people to wait for passing objects to rapidly pass among the roadways.
Whether the roadway air door can be quickly started or stopped is an important standard for detecting the performance of the roadway air door. The existing tunnel air door is difficult to start and stop, the vehicle cannot be started and stopped automatically when passing through, time and labor are wasted due to manual switching, and other problems, and the automatic mining speed of a coal mine is influenced. And the security performance of tunnel air door is poor, when treating through the gate, in case the door plant loses control, will extrude and treat the thing of passing through, causes the casualties, equipment is impaired, the door plant damages scheduling problem.
In addition, the tunnel air door is customized for the tunnel, and because of the difference between tunnels, the tunnel air door has poor universality and low repeated utilization rate, thereby causing resource waste.
Therefore, a need exists for a roadway damper that addresses the above-mentioned problems.
Disclosure of Invention
In view of the above, the invention aims to provide a roadway air door, which can be started and stopped quickly and automatically, and improve the safety performance; in addition, the repeated utilization rate of the tunnel air door can be improved, the dismounting difficulty is reduced, the dismounting time is shortened, and meanwhile, the maintenance cost is reduced.
Based on the above purpose, the invention provides a roadway air door, which comprises:
the device comprises a door frame, a door opening and a control unit, wherein the door frame is provided with a door opening for passing an object to be passed;
the air door body is rotatably connected with the door frame and is used for sealing or opening the doorway;
the driving mechanism is arranged on the door frame and is used for driving the air door body to rotate in a reciprocating manner;
the first sensor is used for monitoring and collecting distance information between the object to be passed and the doorway and outputting a monitoring signal;
and the control mechanism receives the monitoring signal, compares the monitoring signal with a preset signal, and controls the forward or reverse driving of the driving mechanism to drive the air door body to rotate according to a comparison result.
Preferably, the door frame includes interior door frame and outer door frame, outer door frame cover establish connect in on the interior door frame, the gate sets up on the interior door frame.
Preferably, the outer door frame includes scalable roof beam and follows scalable side frame that scalable roof beam opposite ends extended respectively, two scalable side frames with scalable roof beam encloses to close and forms and is used for installing the door opening of interior door frame.
Preferably, the air door body comprises two door plates, the two door plates are symmetrically arranged in the doorway, and the side parts of the door plates are hinged to the door frame through hinges.
Preferably, the door panel comprises a base plate and at least one elongated plate, and the elongated plate is detachably connected with the bottom of the base plate and/or the side of the base plate far away from the hinge.
Preferably, the driving mechanism comprises a driving part and a transmission part, the transmission part comprises a lead screw connected with the driving part and two transmission units oppositely arranged on the lead screw, the two transmission units are respectively connected with the two door panels and used for pushing and pulling the door panels to rotate, and the driving part drives the lead screw to rotate to drive the two transmission units to synchronously and reversely transmit along the lead screw.
Preferably, the screw rod comprises a first thread section and a second thread section which are arranged oppositely, the thread turning directions of the first thread section and the second thread section are opposite, and the two transmission units are respectively arranged on the first thread section and the second thread section and respectively reciprocate along the first thread section and the second thread section.
Preferably, the transmission unit includes from locking piece, connecting rod and installation arm, from the locking piece cover establish on the lead screw, and can follow lead screw reciprocating motion, the both ends of connecting rod respectively with from locking piece with installation arm rotatable coupling, the connecting rod passes through the installation arm is connected on the door plant.
Preferably, the mounting arm is attached to a side panel of the door panel facing away from the doorway.
Further, preferably, the tunnel damper includes: the second sensor is connected with the control mechanism and used for monitoring and acquiring whether the object to be passed exists in the doorway and outputting a signal to the control mechanism, and the control mechanism receives the signal and controls the air door body to rotate forwards or backwards according to the signal.
From the above, the tunnel air door provided by the invention has the following advantages compared with the prior art: the tunnel air door can be quickly and automatically opened/closed when the object to be passed approaches/leaves the door frame, so that the object to be passed can pass quickly, time and labor are saved, the safety performance is high, and extrusion accidents are avoided; in addition, the tunnel air door has the advantages of ingenious structure, convenience and rapidness in disassembly and assembly, high repeated utilization rate and the like, improves the universality of the tunnel air door, and avoids resource waste.
Drawings
The above features and technical advantages of the present invention will become more apparent and readily appreciated from the following description of the embodiments thereof taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic illustration of a roadway damper used in an embodiment of the present invention.
Fig. 2 is a schematic view showing a use state of the tunnel damper shown in fig. 1.
Fig. 3 is a schematic view of a door panel of the roadway damper shown in fig. 1.
Fig. 4 is a schematic view showing a flow of use of the tunnel damper shown in fig. 1.
Wherein the reference numbers:
11: a door beam; 12: a side frame; 13: a doorway; 21: a door panel; 211: a substrate;
212: an observation window; 213: a first elongated plate; 214: a pedestrian wicket; 215: a connecting plate;
216: a second elongated plate; 30: a drive mechanism; 31: a drive section; 32: a lead screw;
321: a first thread segment; 322: a second thread segment; 33: a transmission unit;
331: a self-locking block; 332: a connecting rod; 333: mounting an arm; 40: a first sensor;
41: a door opening state sensor; 42: a door closing state sensor; 43: a pedestrian wicket sensor;
50: an alarm device; 60: a second sensor; 70: a control mechanism; 71: a light control sensor;
72: a button; 73: a display screen; 80: a monitoring system; 90: an optical fiber converter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
FIG. 1 is a schematic illustration of a roadway damper used in an embodiment of the present invention. Fig. 2 is a schematic view showing a use state of the tunnel damper shown in fig. 1. As shown in fig. 1 and 2, the tunnel damper includes: a door frame, a damper body, a drive mechanism 30, a first sensor 40, and a control mechanism 70.
The door frame is provided with a doorway 13 for passage of an object to be passed (e.g., a vehicle or a pedestrian).
The damper body is rotatably connected to the door frame, and the damper body is used to seal or open the doorway 13.
The driving mechanism 30 is disposed on the door frame and is used for driving the air door body to rotate back and forth.
The first sensor 40 is used to monitor and collect information on the distance between the object to be passed and the doorway 13, and output a monitoring signal.
The control mechanism 70 receives the monitoring signal, compares the monitoring signal with a preset signal, and controls the driving mechanism 30 to drive the damper body to rotate in the forward direction or the reverse direction according to the comparison result.
The air door body is arranged on the roadway through the door frame, and the air door body seals or opens the doorway so as to block the object to be passed through the doorway or to pass; the first sensor 40 monitors and collects information of the distance between the object to be passed and the doorway 13, and outputs a monitoring signal to the control mechanism 70, the control mechanism 70 compares the monitoring signal with a preset signal, and if the monitoring signal is within a preset signal range, the driving mechanism 30 drives the air door body to rotate forward so as to open the doorway 13; if the monitoring signal is outside the predetermined signal range, the driving mechanism 30 drives the damper body to rotate in the reverse direction so as to seal the doorway 13. The tunnel air door can be opened and closed fast, automatically, treats that the object keeps the open mode in gate both sides certain limit through, and the emergence extrusion accident is avoided, improves the security performance.
Preferably, the door frame includes an inner door frame and an outer door frame, the outer door frame is sleeved and connected to the inner door frame, and the doorway 13 is disposed on the inner door frame. The double-door frame structure can improve the strength of the door frame and improve the safety performance of the door frame; wherein, the outer wall of outer door frame is connected with the tunnel, for example fixes on the cliff of tunnel through the stock, and the internal wall is connected with interior door frame at least partially, and outer door frame can avoid the interior door frame deformation that the tunnel side pressure caused to wait to pass through gate 13 smoothly.
In this embodiment, the inner door frame includes a horizontal door beam 11 and side frames 12 extending vertically downward from opposite ends of the door beam 11, and the two side frames 12 and the door beam 11 enclose a doorway 13.
When the tunnel air door is installed, the wall body is built in the tunnel to fix the door frame, and the door frame is limited by underground equipment and space, so that construction is quite difficult, and the installation and disassembly work amount is large.
The tunnel air door is usually customized and produced according to the tunnel size, and once the size can not be changed after the forming, the tunnel is abandoned after the coal mining, the tunnel air door is difficult to disassemble and cannot be repeatedly used, so that the serious waste is caused. In order to adapt to roadways with different shapes and improve the recycling rate of the air door of the roadway, preferably, the outer door frame (not identified) comprises a telescopic beam and telescopic side frames respectively extending from two opposite ends of the telescopic beam, and the two telescopic side frames and the telescopic beam enclose a door opening for installing the inner door frame. The size of the door opening is adjusted by adjusting the extension or the shortening of the telescopic beams and the telescopic side frames so as to be suitable for the roadways with different sizes. The air door body adopts two door frame structures, and the outer door frame can avoid interior door frame to warp, still can stretch out and draw back along horizontal direction, vertical direction, adapts to different sizes to carry out reuse.
In this embodiment, the outer door frame includes a horizontal retractable beam and retractable side frames extending vertically and downwardly from opposite ends of the retractable beam, respectively, the retractable beam can be extended or shortened in the horizontal direction, and the retractable side frames can be extended or shortened in the vertical direction, so that the outer door frame can be adjusted within a certain range according to the size of the roadway, thereby improving the recycling rate of the door frame; two scalable side frames enclose the door opening that closes formation with scalable roof beam, and the door opening is used for installing interior door frame, and if one side frame of interior door frame is fixed with the scalable side frame of the homonymy of outer door frame. The size of the door opening is increased or reduced along with the extension and contraction of the telescopic side frames and the telescopic beams, and the minimum size of the door opening is larger than that of the inner door frame. In addition, in order to avoid building walls and slotting chambers in a large range when a tunnel air door is installed, the door frame is connected with the upper beam and the ground beam through bolts, the disassembly and assembly efficiency is improved, and the disassembly and assembly time is shortened.
For rational utilization tunnel space, avoid equipment and space in the pit to influence the normal opening and shutting of air door body, reduce actuating mechanism 30's the drive degree of difficulty simultaneously, preferably, the air door body includes two door plant 21, and two door plant 21 symmetry sets up in gate 13, and the lateral part of door plant 21 passes through the hinge and is connected with the door frame is articulated.
In this embodiment, two door panels 21 are symmetrically disposed in the doorway 13, and the two door panels 21 are respectively hinged to two side frames of the inner door frame by hinges.
Fig. 3 is a schematic view of a door panel of the roadway damper shown in fig. 1. As shown in fig. 3, the door panel 21 includes a base plate 211, a first elongated plate 213, and a second elongated plate 216.
Preferably, the door panel 21 includes a base panel 211 and at least one elongated panel that is removably attached to the bottom of the base panel 211 and/or the side of the base panel remote from the hinge. The base plate 211 can satisfy most tunnel and use, when there is the difference with base plate 211 size in the tunnel size, splices the extension plate on base plate 211, and the extension plate can increase the length and/or the width of base plate 211 to the door plant of different sizes is assembled out, adapts to different tunnels. The base plate 211 and the lengthened plate are detachably connected, and the combination of the base plate 211 and the lengthened plate with different sizes can realize air door bodies with various sizes, so that the requirements of different roadways are met; meanwhile, the disassembly and assembly time is shortened, and the repeated utilization rate of the door panel 21 is improved. And the air door body adopts modularization, modularization structure, can reduce simultaneously production, transportation degree of difficulty.
In this embodiment, in order to improve the recycling rate of the door panel 21, the door panels 21 are formed by splicing a plurality of substrates 211, and the substrates 211 can be freely combined to form air door bodies with different sizes to meet the requirements of different roadways; the substrate 211 and the elongated plate can be freely combined, for example, the side of the substrate 211 is detachably connected (e.g., plugged) with at least one first elongated plate 213, and the first elongated plate 213 is used to increase the width of the substrate 211; the bottom of the base plate 211 is detachably connected (e.g., plugged) to at least one second elongated plate 216 through the connection plate 215, and the second elongated plate 216 is used to increase the length of the base plate 211. Both the base plate 211 and the lengthened plate can adopt steel skeleton structures, and the embedded polyvinyl chloride accords with a material panel, so that the wind resistance requirement can be met, and the light weight requirement can be met.
An observation window 212 is arranged on the base plate 211, and an operator can observe the distance between an object to be passed and the roadway air door through the observation window 212; a pedestrian small door 214 is further arranged on the base plate 211, and the pedestrian small door 214 is used for enabling an operator to pass through the roadway damper when the damper body seals the doorway 13.
In the present embodiment, the first sensor 40 includes a door opening state sensor 41, a door closing state sensor 42 and a pedestrian door sensor 43, the door opening state sensor 41 is installed on a side panel facing the doorway 13, and the door closing state sensor 42 is installed on a side panel facing away from the doorway 13; the pedestrian door sensor 43 is used to monitor the presence of a pedestrian near the pedestrian door 214 in order to automatically open and close the pedestrian door 214.
In order to ensure the synchronism of the two door panels, preferably, the driving mechanism 30 includes a driving portion 31 and a transmission portion, the transmission portion includes a screw 32 connected to the driving portion 31 and two transmission units 33 oppositely disposed on the screw 32, the two transmission units 33 are respectively connected to the two door panels 21 and are used for pushing and pulling the door panels 21 to rotate, and the driving portion 31 drives the screw 32 to rotate to drive the two transmission units 33 to synchronously and reversely transmit along the screw 32. The two door panels 21 are driven by the driving mechanism 30 to rotate synchronously and reversely so as to seal or open the doorway 13.
In this embodiment, actuating mechanism 30 can adopt the motor as the power supply, and for compressed air drive and hydraulic drive, the motor need not to lay gas pipeline and liquid pipeline, and the tunnel engineering is few, reducible influence to the tunnel overall arrangement, and the motor fault rate is little moreover, and the maintenance cost is lower, convenient and practical. The motor is connected with the speed reducer, and the speed reducer passes through the belt pulley with lead screw 32 and can dismantle the connection, and the motor can drive lead screw 32 forward rotation and antiport. The tunnel air door can not be opened during power failure, the safety production of a coal mine is seriously influenced, an operator can separate a motor and a speed reducer from a lead screw 32, a hand wheel is installed on the lead screw 32, and the air door body is opened or closed by the hand wheel, so that the stability and the reliability of a system are improved.
In this embodiment, the driving mechanism 30 may be installed between the outer door frame and the inner door frame, the driving mechanism 30 is connected to the inner door frame by bolts, for example, the screw rod 32 is fixed to the door beam 11 by the bearing chamber, and the driving mechanism 30 can be finely adjusted in the horizontal direction and the vertical direction so as to adapt to different roadways.
In order to improve the synchronism of the actions of the transmission units 33 and reduce the operation difficulty, preferably, the screw shaft 32 includes a first thread section 321 and a second thread section 322 which are oppositely arranged, the thread directions of the first thread section 321 and the second thread section 322 are opposite, and the two transmission units 33 are respectively arranged on the first thread section 321 and the second thread section 322 and respectively reciprocate along the first thread section 321 and the second thread section 322. When the motor drives the lead screw 32 to rotate, the two transmission units 33 can move toward or away from each other so as to push or pull the door panel 21 to rotate. For example, when the motor drives the screw shaft 32 to rotate in the forward direction, the left transmission unit 33 moves to the left on the first spiral section 321, and the right transmission unit 33 moves to the right on the second spiral section 322, and the two transmission units 33 synchronously push the door panel 21 to rotate so as to open the doorway 13.
Preferably, the transmission unit 33 includes a self-locking block 331 (such as a lead screw nut), a connecting rod 332 and a mounting arm 333, the self-locking block 331 is disposed on the lead screw 32 and can reciprocate along the lead screw 32, two ends of the connecting rod 332 are rotatably connected to the self-locking block 331 and the mounting arm 333, respectively, and the connecting rod 332 is connected to the door panel 21 through the mounting arm 333. When the motor drives the screw rod 32 to rotate forward, the left self-locking block 331 moves to the left on the first spiral section 321, the right self-locking block 331 moves to the right on the second spiral section 322, the left self-locking block 331 provides thrust to the left connecting rod 332, the right self-locking block 331 provides thrust to the right connecting rod 332, the left door panel 21 and the right door panel 21 are opened simultaneously under the simultaneous pushing of the left connecting rod 332 and the right connecting rod 332, and the opening speed and the opening angle are consistent, so that the requirement of synchronism is met.
In order to further reduce the usage space of the tunnel damper and increase the passage size of the doorway, it is preferable that the mounting arm 333 be attached to a side panel of the door panel 21 facing away from the doorway 13 to prevent the mounting arm 333 from occupying the space of the doorway 13 and reduce the usage space of the object to be passed.
The safety of the existing tunnel air door is poor, extrusion accidents can be caused, and the problems of casualties, equipment damage, air door damage and the like are caused. For further improving the security performance of tunnel air door, avoid taking place the door plant centre gripping and treat through the object, in addition, preferably, the tunnel air door includes: and the second sensor 60, the second sensor 60 is connected with the control mechanism 70, the second sensor 60 is used for monitoring and acquiring whether an object to be passed exists in the doorway 13 or not, and outputting a signal to the control mechanism 70, and the control mechanism 70 receives the signal and controls the air door body to rotate forwards or backwards according to the signal. The second sensor 60 monitors and collects the presence of an object to be passed through the doorway 13, and the control mechanism 70 controls the damper body to rotate forward or backward in response to the signal to maintain the doorway 13 in an open or sealed state.
The use of the mining damper is further described below. Fig. 4 is a schematic view showing a flow of use of the tunnel damper shown in fig. 1. As shown in fig. 4, two sets of tunnel air doors are arranged in the tunnel, the two sets of tunnel air doors are respectively arranged near two opposite ends of the tunnel, and the two sets of tunnel air doors are controlled by the control mechanism 70. When a vehicle or a pedestrian approaches one group of the roadway air doors, the roadway air door close to the vehicle or the pedestrian is opened, and the roadway air door far away from the vehicle or the pedestrian is closed.
The door opening state sensor 41 or the door closing signal sensor 42 monitors and collects distance information between the vehicle and the door 13, and outputs a monitoring signal to the control mechanism 70, the control mechanism 70 compares the monitoring signal with a preset signal, and if the monitoring signal is within a preset signal range, the control mechanism 70 controls the driving mechanism 30 to drive the two transmission units 33 to drive the door panel 21 to rotate forward, so as to open the door 13; if the monitoring signal is outside the preset signal range, the control mechanism 70 controls the driving mechanism 30 to drive the two transmission units 33 to rotate the door panel 21 in the opposite direction, so as to seal the doorway 13.
The second sensor 60 monitors and collects whether an object to be passed exists in the doorway 13, and if so, the control mechanism 70 controls the driving mechanism 30 to drive the two transmission units 33 to drive the door panel 21 to rotate in the forward direction so as to keep the opening 13 open; otherwise, the doorway 13 is kept sealed.
The pedestrian small door sensor 43 monitors and collects distance information between a pedestrian and the doorway 13, and the operation process of the pedestrian small door sensor 43 is basically the same as that of the door opening state sensor 41 and the door closing signal sensor 42, and is not described herein again.
The tunnel air door still includes: alarm device 50, alarm device 50 are connected with control mechanism 70 electricity, and in case break down, alarm device 50 can send the warning automatically and inform the operation personnel to quick maintenance, in time troubleshooting, prevent that the air door body from arousing the traffic because of the trouble and block.
In order to improve human-computer interaction, realize remote monitoring and control, realize networked management, the tunnel air door still includes: the monitoring system 80 is connected with the control mechanism 70 through the optical fiber converter 90, the control mechanism 70 is connected with the display screen 73, and the monitoring system 80 is used for monitoring the operation of the roadway air door by an operator in real time so that the operator can know the working state of the roadway air door from the display screen 73 in real time; the tunnel air door still includes: an operation unit, such as a light-operated operation unit and a light-operated sensor 71 or a button 72, is connected to the control mechanism 70, so that the operator can perform remote operation, further reducing the difficulty of operation.
From the above description and practice, it can be seen that the roadway damper provided by the present invention has the following advantages over the prior art: the tunnel air door can be quickly and automatically opened/closed when the object to be passed approaches/leaves the door frame, so that the object to be passed can pass quickly, time and labor are saved, the safety performance is high, and extrusion accidents are avoided; in addition, the tunnel air door has the advantages of ingenious structure, convenience and rapidness in disassembly and assembly, high repeated utilization rate and the like, improves the universality of the tunnel air door, and avoids resource waste.
Those of ordinary skill in the art will understand that: the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. A roadway damper, comprising:
the door frame comprises an inner door frame and an outer door frame, the outer door frame is sleeved and connected on the inner door frame and is fixed with a roadway through an anchor rod, the outer door frame comprises a telescopic beam and telescopic side frames extending from two opposite ends of the telescopic beam respectively, the two telescopic side frames and the telescopic beam enclose a door opening for installing the inner door frame, and a door opening for passing an object to be passed is formed in the inner door frame;
the air door body is rotatably connected with the door frame and is used for sealing or opening the doorway; the air door body comprises two door panels, each door panel comprises a base plate and at least one elongated plate, the elongated plates are detachably connected to the bottom and/or the side of the base plate, the base plates and the elongated plates are spliced to form the door panels, and the base plates and the elongated plates can be freely combined;
the driving mechanism is arranged on the door frame and is used for driving the air door body to rotate in a reciprocating manner;
the first sensor is used for monitoring and collecting distance information between the object to be passed and the doorway and outputting a monitoring signal;
and the control mechanism receives the monitoring signal, compares the monitoring signal with a preset signal, and controls the forward or reverse driving of the driving mechanism to drive the air door body to rotate according to a comparison result.
2. The roadway damper of claim 1,
the two door plates are symmetrically arranged in the doorway, and the side parts of the door plates are hinged with the door frame through hinges.
3. The roadway damper of claim 2,
the extension plate is detachably connected with the side part, far away from the hinge, of the base plate.
4. The roadway damper of claim 2,
the driving mechanism comprises a driving part and a transmission part, the transmission part comprises a lead screw connected with the driving part and two transmission units oppositely arranged on the lead screw, the two transmission units are respectively connected with the two door plates and used for pushing and pulling the door plates to rotate, and the driving part drives the lead screw to rotate to drive the two transmission units to synchronously and reversely transmit along the lead screw.
5. The roadway damper of claim 4,
the screw rod comprises a first thread section and a second thread section which are arranged oppositely, the thread turning directions of the first thread section and the second thread section are opposite, and the two transmission units are respectively arranged on the first thread section and the second thread section and respectively reciprocate along the first thread section and the second thread section.
6. The roadway damper of claim 5,
the transmission unit comprises a self-locking block, a connecting rod and an installation arm, the self-locking block is sleeved on the lead screw and can move in a reciprocating mode along the lead screw, two ends of the connecting rod are respectively connected with the self-locking block and the installation arm in a rotatable mode, and the connecting rod is connected to the door panel through the installation arm.
7. The roadway damper of claim 6,
the mounting arm is connected to a side panel of the door panel facing away from the doorway.
8. The roadway damper of claim 1,
the tunnel air door includes: the second sensor is connected with the control mechanism and used for monitoring and acquiring whether the object to be passed exists in the doorway and outputting a signal to the control mechanism, and the control mechanism receives the signal and controls the air door body to rotate forwards or backwards according to the signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009420.4A CN108286453B (en) | 2018-01-05 | 2018-01-05 | Tunnel air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810009420.4A CN108286453B (en) | 2018-01-05 | 2018-01-05 | Tunnel air door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108286453A CN108286453A (en) | 2018-07-17 |
| CN108286453B true CN108286453B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810009420.4A Active CN108286453B (en) | 2018-01-05 | 2018-01-05 | Tunnel air door |
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| CN111852533A (en) * | 2019-04-30 | 2020-10-30 | 南京梅山冶金发展有限公司 | Linkage control device and method for solving problem of wind back of parallel axial-flow fan |
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| CN101148991A (en) * | 2007-06-06 | 2008-03-26 | 陈树林 | Front-and-back opening-closing split self-controllable power air door |
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| CN201404623Y (en) * | 2009-05-12 | 2010-02-17 | 郝颖 | Springboard |
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| CN204804866U (en) * | 2015-05-11 | 2015-11-25 | 苏玉明 | Pneumatic syntropy open -type tunnel air door |
| CN105716802A (en) * | 2016-04-28 | 2016-06-29 | 沈阳紫微机电设备有限公司 | Air tightness detection equipment for blast gate |
| CN206708325U (en) * | 2017-05-05 | 2017-12-05 | 陈守坪 | Device for spreading |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206263262U (en) * | 2016-10-17 | 2017-06-20 | 朱明生 | A kind of wear-resistant composite board of composable welding |
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| CN101148991A (en) * | 2007-06-06 | 2008-03-26 | 陈树林 | Front-and-back opening-closing split self-controllable power air door |
| CN201071733Y (en) * | 2007-07-27 | 2008-06-11 | 淄博矿业集团有限责任公司埠村煤矿 | Bidirectional opening wind pressure balance rotating air gate |
| CN201404623Y (en) * | 2009-05-12 | 2010-02-17 | 郝颖 | Springboard |
| CN203685252U (en) * | 2014-01-23 | 2014-07-02 | 大同煤矿集团衡安装备有限公司 | Positive and negative linkage electric ventilation door |
| CN204804866U (en) * | 2015-05-11 | 2015-11-25 | 苏玉明 | Pneumatic syntropy open -type tunnel air door |
| CN105716802A (en) * | 2016-04-28 | 2016-06-29 | 沈阳紫微机电设备有限公司 | Air tightness detection equipment for blast gate |
| CN206708325U (en) * | 2017-05-05 | 2017-12-05 | 陈守坪 | Device for spreading |
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| CN108286453A (en) | 2018-07-17 |
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