CN117248952A - Ventilation system for mine mining field and use method thereof - Google Patents
Ventilation system for mine mining field and use method thereof Download PDFInfo
- Publication number
- CN117248952A CN117248952A CN202311499674.6A CN202311499674A CN117248952A CN 117248952 A CN117248952 A CN 117248952A CN 202311499674 A CN202311499674 A CN 202311499674A CN 117248952 A CN117248952 A CN 117248952A
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- Prior art keywords
- ventilation
- pipe
- air
- bevel gear
- rotating rod
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- 238000009423 ventilation Methods 0.000 title claims abstract description 261
- 238000005065 mining Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000000605 extraction Methods 0.000 claims abstract description 35
- 230000000694 effects Effects 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 40
- 238000004804 winding Methods 0.000 claims description 28
- 239000000284 extract Substances 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000002035 prolonged effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000013070 change management Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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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
-
- 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
- E21F1/04—Air ducts
-
- 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
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
- F16L3/20—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in transverse direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a ventilation system for the mining field and a use method thereof, which belong to the technical field of ventilation, and the ventilation system for the mining field comprises a base and further comprises: the rotating rod is rotatably arranged on the base, a connecting component is arranged on the rotating rod, and a ventilation part is arranged at one end, far away from the rotating rod, of the connecting component; the reciprocating screw rod is sleeved outside the rotating rod and is rotatably arranged with the ventilation part, and a sleeve rotationally connected with the ventilation part is connected to the reciprocating screw rod through threads; the supporting seat is fixedly arranged on the base; the invention has simple structure and convenient operation, can effectively improve the extraction efficiency and the extraction range of the ventilation pipe for harmful gas in the well, solves the problem that the device has poor extraction efficiency for the harmful gas in the mine due to the single fixed position of the ventilation pipe, is convenient for improving the ventilation effect and the ventilation efficiency in the well, and reduces the occurrence of safety accidents.
Description
Technical Field
The invention relates to the technical field of ventilation, in particular to a ventilation system for the mining field and a use method thereof.
Background
The mine ventilation has two methods of extraction ventilation and push-in ventilation, the extraction ventilation is to install the ventilator near the return air wellhead, after the ventilator works, a part of air in the wind tunnel is extracted, the pressure of air in the well is lower than the ground atmospheric pressure, the ground air is forced to enter the well from the air inlet wellhead, and then the air is exhausted from the return air, so that fresh air can be input into the mine, the oxygen concentration is increased, and toxic, harmful gas and dust in the mine are diluted and exhausted.
At present, the ventilation pipe at the mine return air wellhead is fixedly installed, the single position of the ventilation pipe enables the ventilation pipe to be poor in harmful gas extraction efficiency in a mine, harmful gas at other positions in the mine, which are far away from the axial direction of the ventilation pipe, cannot be timely extracted, the overall ventilation effect of the device is poor, underground environment operation is difficult, and safety accidents are extremely easy to occur after the concentration of the harmful gas exceeds the limit.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a ventilation system for the mining field and a use method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a ventilation system for mining field, includes the base, still includes:
the rotating rod is rotatably arranged on the base, a connecting component is arranged on the rotating rod, one end, far away from the rotating rod, of the connecting component is provided with a ventilation part, and the ventilation part is provided with a gas concentration sensor;
the reciprocating screw rod is sleeved outside the rotating rod and is rotatably arranged with the ventilation part, and a sleeve rotationally connected with the ventilation part is connected to the reciprocating screw rod through threads;
the support seat is fixedly arranged on the base and used for supporting the reciprocating screw rod, and the reciprocating screw rod is rotatably arranged on the support seat; and
the driving mechanism is fixedly arranged on the base and used for driving the rotating rod and the reciprocating screw rod to rotate.
Preferably, the driving mechanism comprises a support fixed on the base, a driving motor is fixed on the support, the output end of the driving motor penetrates through the support and is connected with a driving bevel gear, two sides of the driving bevel gear are respectively connected with a first bevel gear and a second bevel gear in a meshed mode, the first bevel gear is fixedly connected with the rotating rod, and the second bevel gear is fixedly connected with the reciprocating screw rod.
Preferably, the connecting assembly comprises a connecting plate fixedly connected with the top of the rotating rod, one end, far away from the rotating rod, of the connecting plate is connected with a first telescopic rod, and the telescopic end of the first telescopic rod is connected with the ventilation part.
Preferably, the ventilation portion includes the ventilation shell that rotates the setting with the sleeve, ventilation shell outside intercommunication has the ventilation pipe, ventilation shell external has ventilation equipment, ventilation equipment includes the casing with ventilation shell intercommunication, set firmly the backup pad in the casing, be provided with driving motor in the backup pad, driving motor's output passes the backup pad and is connected with the impeller, the one end that ventilation shell was kept away from to the casing is provided with the exhaust pipe.
Preferably, a connecting block is arranged on the outer side of the sleeve, and a second telescopic rod is arranged between the connecting block and the supporting seat.
Preferably, the ventilation pipe comprises a first pipeline fixedly connected with the ventilation shell, a second pipeline is connected in the first pipeline in a sliding manner, one end of the second pipeline is provided with a conical hopper, the gas concentration sensor is arranged on the conical hopper, a filter screen is arranged in the conical hopper, one end, far away from the conical hopper, of the second pipeline is provided with an annular plate sliding in the first pipeline, a first elastic element is arranged between the annular plate and the inner wall of the first pipeline, and the first elastic element is sleeved on the second pipeline.
Preferably, the bottom of ventilation shell rotates and is connected with driven gear, set firmly the incomplete gear circle of being connected with driven gear meshing on the sleeve, driven gear has set firmly first receipts reel through the pivot, the winding is connected with first stay cord on the first receipts reel, the one end that first receipts reel was kept away from to first stay cord links to each other with the toper fill.
Preferably, the bottom of first receipts reel is provided with the second and receives the reel, the winding is connected with the second stay cord on the second receipts reel, the one end that the second stay cord was kept away from the second receipts reel is connected with the L shaped plate, L shaped plate sliding connection is on the toper fights, be provided with the second elastic element between L shaped plate and the toper fight.
Preferably, the ventilation pipes are provided with a plurality of groups, the ventilation pipes are uniformly distributed on the ventilation shell in circumference, a plurality of flow guide blocks are arranged in the ventilation shell, and the flow guide blocks divide the inner cavity of the ventilation shell into air guide channels corresponding to the ventilation pipes one by one.
The invention also discloses a use method of the ventilation system for the mining field, which comprises the following steps:
s1: the ventilation equipment is arranged at a mine return air wellhead through a base, an exhaust pipe of the ventilation equipment is arranged outside a mine through an external pipeline, the ventilation equipment is controlled to work, and the ventilation equipment extracts air in the mine through a ventilation shell;
s2: then controlling a driving motor to run, driving bevel gears are driven by the output end of the driving motor to rotate, the driving bevel gears are meshed with the first bevel gears and the second bevel gears for transmission, the first bevel gears drive a rotating rod to rotate, and when the rotating rod rotates, a ventilation part is driven to rotate through a connecting component, so that a ventilation pipe arranged on the ventilation part rotates, the ventilation pipe extracts air in a peripheral mine, and the extraction area of the ventilation pipe for gas in the mine is enlarged;
s3: the second bevel gear drives the reciprocating screw rod to rotate when rotating, the sleeve on the outer side of the reciprocating screw rod reciprocates up and down on the outer side of the reciprocating screw rod, and the sleeve drives the ventilation part to move up and down when reciprocating up and down, so that the ventilation pipe can extract air on the periphery in the rotating process and can extract air with different heights in a mine up and down at the same time, and the extraction effect on harmful gases in the mine is improved;
s4: when the driven gear at the bottom of the ventilation shell is meshed with the incomplete gear ring on the sleeve intermittently, when the driven gear is meshed with the incomplete gear ring for transmission, the driven gear drives the first winding drum to wind the first pull rope, the first pull rope pulls the conical hopper, the conical hopper and the second pipeline shrink inwards towards the first pipeline, the first elastic element is stretched, when the driven gear is not meshed with the incomplete gear ring for transmission any more, the first elastic element is deformed in a recovery way and pulls the second pipeline to extend out of the first pipeline, so that the length of the ventilation pipe is adjusted, the ventilation pipe can extract the air in the well at different distances on the same horizontal plane, the extraction area of the ventilation pipe to the air in the mine is further increased, the condition that harmful gas in the well gathers is avoided, and ventilation of the air in the well is accelerated;
s5: because first receipts reel and second winding drum link to each other, when first stay cord rolling, the synchronous rolling of second stay cord makes the second stay cord pull L shaped plate, L shaped plate moves down to the toper fight, make the air inlet area of toper fight department grow, when first stay cord is released, the synchronous quilt of second stay cord is released, make the second stay cord no longer to L shaped plate pulling, the L shaped plate resets under the elasticity pulling of second elastic element and moves up, make the toper fight the air inlet area diminish under the condition that ventilation pipe length is prolonged, guarantee the air inlet rate of ventilation pipe, ventilation equipment extraction air is arranged to ground through the exhaust pipe, accelerate the ventilation of well air.
Compared with the prior art, the invention provides the ventilation system for the mining field and the use method thereof, and the ventilation system has the following beneficial effects:
1. according to the ventilation system for the mine mining field and the application method thereof, the driving mechanism is controlled to operate, so that the driving mechanism drives the rotating rod and the reciprocating screw rod to rotate relatively, the ventilation pipe moves up and down while rotating circumferentially, the extraction efficiency and the extraction range of harmful gas in a well by the ventilation pipe are improved, the problem that the harmful gas extraction efficiency in the well is poor by the device due to the fact that the ventilation pipe is arranged at a single fixed position is solved, the ventilation effect and the ventilation efficiency in the well are improved conveniently, and the occurrence of safety accidents is reduced.
2. The ventilation system for the mine mining field and the use method thereof are characterized in that the driving bevel gear is driven to rotate by controlling the driving motor to operate, the driving bevel gear is meshed with the first bevel gear and the second bevel gear for transmission, the first bevel gear drives the rotating rod to rotate, the connecting component drives the ventilation part to rotate when the rotating rod rotates, thereby the ventilation pipe arranged on the ventilation part rotates, the ventilation pipe is enabled to extract air in a peripheral side mine, the extraction area of the ventilation pipe for gas in the mine is enlarged, the second bevel gear drives the reciprocating screw rod to rotate when rotating, the sleeve on the outer side of the reciprocating screw rod reciprocates up and down on the outer side of the reciprocating screw rod, and the sleeve drives the ventilation part to move up and down when reciprocating up and down, so that the ventilation pipe can extract air with different heights in the mine when extracting the peripheral side air in the rotating process, and the extraction effect for harmful gas in the mine is enlarged.
3. According to the ventilation system for the mining field and the application method of the ventilation system, the driven gear at the bottom of the ventilation shell is meshed with the incomplete gear ring on the sleeve intermittently through circumferential rotation of the ventilation shell relative to the sleeve, when the driven gear is meshed with the incomplete gear ring for transmission, the driven gear drives the first winding drum to wind the first pull rope, the first pull rope pulls the conical hopper, the conical hopper and the second pipeline shrink inwards towards the first pipeline, the first elastic element is stretched, when the driven gear is not meshed with the incomplete gear ring for transmission any more, the first elastic element recovers deformation and pulls the second pipeline to stretch out of the first pipeline, so that the length of the ventilation pipe is adjusted, the ventilation pipe can extract the air in the well at different distances on the same horizontal plane, the extraction area of the ventilation pipe to the air in the mine is further increased, the condition that harmful gas in the well is concentrated is avoided, ventilation of the air in the well is quickened, and the safe operation environment in the pit is ensured.
4. The ventilation system for the mining field and the use method thereof are characterized in that the first winding drum is connected with the second winding drum, when the first pull rope is wound, the second pull rope is wound synchronously, so that the second pull rope pulls the L-shaped plate, the L-shaped plate moves downwards relative to the conical hopper, the air inlet area at the conical hopper is enlarged, when the first pull rope is released, the second pull rope is synchronously released, the second pull rope does not pull the L-shaped plate any more, the L-shaped plate is reset and moves upwards under the pulling of the elastic force of the second elastic element, the air inlet area of the conical hopper is reduced under the condition that the length of the ventilation pipe is prolonged, the air inlet rate of the ventilation pipe is ensured, the ventilation of the air in the well is accelerated, and the underground safe operation environment is ensured.
5. According to the ventilation system for the mine mining field and the application method thereof, the plurality of ventilation pipes are uniformly arranged on the circumference of the ventilation casing, so that the meshing condition of the driven gear corresponding to the lower side of each ventilation pipe and the incomplete gear ring on the sleeve is different, the initial length of each ventilation pipe is further different, ventilation pipes with different lengths can be arranged in the same direction when the ventilation pipes rotate along with the circumference of the ventilation casing to extract air in a well, the situation that only one ventilation pipe is arranged, the distance for extracting air in the same direction is unchanged when the ventilation pipes rotate in the circumferential direction is avoided, and only the air with a fixed distance in the direction can be extracted, so that the extraction efficiency and the extraction range of harmful gas in the well by the ventilation pipes are improved, and the safe working environment in the pit is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a second schematic diagram of the structure of the present invention;
FIG. 3 is a third schematic diagram of the structure of the present invention;
FIG. 4 is a partially enlarged schematic illustration of the structure of portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic diagram of a driving mechanism according to the present invention;
FIG. 6 is a schematic view of the structure of the ventilating section of the present invention;
FIG. 7 is a schematic cross-sectional view of a vent housing of the present invention;
FIG. 8 is a schematic cross-sectional view of a vent of the present invention;
FIG. 9 is a schematic view of the exterior structure of the ventilation housing of the present invention;
FIG. 10 is a partially enlarged schematic illustration of the structure of portion B of FIG. 9 in accordance with the present invention;
FIG. 11 is a schematic cross-sectional view of a cone bucket according to the present invention.
In the figure: 1. a base; 101. a support base; 2. a rotating lever; 201. a connection assembly; 2011. a connecting plate; 2012. a first telescopic rod; 3. a ventilation unit; 301. a ventilation housing; 302. a ventilation pipe; 3021. a first pipe; 3022. a second pipe; 3023. an annular plate; 3024. a first elastic element; 303. a flow guiding block; 3031. an air guide channel; 4. a reciprocating screw rod; 401. a sleeve; 4011. incomplete gear ring; 4012. a connecting block; 4013. a second telescopic rod; 5. a driving mechanism; 501. a support; 502. a driving motor; 503. a drive bevel gear; 504. a first bevel gear; 505. a second bevel gear; 6. a ventilation device; 601. a housing; 602. a support plate; 603. a drive motor; 604. an impeller; 605. an exhaust pipe; 7. a conical hopper; 701. a filter screen; 702. an L-shaped plate; 7021. a second elastic element; 8. a driven gear; 801. a first take-up reel; 8011. a first pull rope; 802. a second take-up reel; 8021. a second pull rope; 9. a gas concentration sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, 2, 3, 4, 5 and 6, a ventilation system for mining field comprises a base 1, further comprising:
the rotating rod 2 is rotatably arranged on the base 1, a connecting component 201 is arranged on the rotating rod 2, a ventilation part 3 is arranged at one end, far away from the rotating rod 2, of the connecting component 201, and a gas concentration sensor 9 is arranged on the ventilation part 3;
the reciprocating screw rod 4 is sleeved outside the rotating rod 2 and is rotatably arranged with the ventilation part 3, and a sleeve 401 rotatably connected with the ventilation part 3 is connected to the reciprocating screw rod 4 through threads;
the support seat 101 is fixedly arranged on the base 1 and used for supporting the reciprocating screw rod 4, and the reciprocating screw rod 4 is rotatably arranged on the support seat 101; and
and the driving mechanism 5 is fixedly arranged on the base 1 and is used for driving the rotating rod 2 and the reciprocating screw rod 4 to rotate.
Specifically, in arranging equipment in the mine, control actuating mechanism 5 work, make actuating mechanism 5 drive dwang 2 and reciprocal lead screw 4 rotatory, make ventilation portion 3 circumferential rotation reciprocate simultaneously, improve ventilation portion 3 to the extraction efficiency and the extraction scope of harmful gas in the well, the problem that the pipeline single fixed position makes the device not good to harmful gas extraction efficiency in the mine has been solved, and the gaseous concentration sensor 9 that sets up on ventilation portion 3 can detect harmful gas such as carbon monoxide in the pit, gas, under the too big circumstances of harmful gas concentration, the running power of ventilation portion 3 is controlled automatically to the backstage system, accelerate ventilation rate, realize the change management to ventilation system, be convenient for improve ventilation effect and ventilation efficiency in the well, the emergence of incident has been reduced.
Example 2
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 9, a ventilation system for mine mining field, further, on the basis of embodiment 1, the driving mechanism 5 includes a support 501 fixedly arranged on the base 1, a driving motor 502 is fixedly arranged on the support 501, an output end of the driving motor 502 passes through the support 501 and is connected with a driving bevel gear 503, two sides of the driving bevel gear 503 are respectively engaged and connected with a first bevel gear 504 and a second bevel gear 505, the first bevel gear 504 is fixedly connected with the rotating rod 2, and the second bevel gear 505 is fixedly connected with the reciprocating screw rod 4.
Specifically, the driving motor 502 is controlled to operate, the output end of the driving motor 502 drives the driving bevel gear 503 to rotate, the driving bevel gear 503 is meshed with the first bevel gear 504 and the second bevel gear 505 simultaneously for transmission, the first bevel gear 504 drives the rotating rod 2 to rotate, the rotating rod 2 drives the ventilation part 3 to rotate through the connecting component 201 when rotating, thereby the ventilation part 3 extracts air in a peripheral side mine, the extraction area of the ventilation part 3 for gas in the mine is enlarged, the second bevel gear 505 drives the reciprocating screw 4 to rotate when rotating, the sleeve 401 on the outer side of the reciprocating screw 4 reciprocates up and down on the outer side of the reciprocating screw, and the sleeve 401 drives the ventilation part 3 to move up and down when reciprocating up and down, so that the ventilation part 3 can extract air with different heights in the mine when rotating, the extraction area and the extraction effect for harmful gas in the mine are enlarged, the harmful gas extraction dead angle is avoided, and the safe operation environment in the pit is ensured.
Example 3
Referring to fig. 1, 2 and 3, a ventilation system for mine mining field, on the basis of embodiment 2, further, the connection assembly 201 includes a connection plate 2011 fixedly connected to the top of the rotating rod 2, one end of the connection plate 2011 far away from the rotating rod 2 is connected with a first telescopic rod 2012, and a telescopic end of the first telescopic rod 2012 is connected with the ventilation portion 3.
Specifically, when the rotating rod 2 rotates, the ventilation part 3 is driven to rotate by the connecting plate 2011 and the first telescopic rod 2012, and when the ventilation part 3 moves up and down along with the sleeve 401, the first telescopic rod 2012 automatically stretches.
Example 4
Referring to fig. 1, fig. 2, fig. 3, fig. 6 and fig. 7, a ventilation system for mine mining field, on the basis of embodiment 3, further, ventilation portion 3 includes a ventilation housing 301 rotatably disposed with a sleeve 401, ventilation tube 302 is communicated with the outside of ventilation housing 301, ventilation device 6 is externally connected with ventilation housing 301, ventilation device 6 includes a housing 601 communicated with ventilation housing 301, a support plate 602 is fixedly disposed in housing 601, a driving motor 603 is disposed on support plate 602, an output end of driving motor 603 passes through support plate 602 and is connected with an impeller 604, and an exhaust pipe 605 is disposed at one end of housing 601 far from ventilation housing 301.
Specifically, by controlling the driving motor 603 to operate, the output end of the driving motor 603 drives the impeller 604 to rotate, so that the ventilation casing 301 communicated with the casing 601 extracts underground air, the extracted air passes through the casing 601 and is discharged from the exhaust pipe 605, and the exhaust pipe 605 can be externally connected with air purifying equipment to purify harmful gas in the air.
Example 5
Referring to fig. 1, 3 and 4, in a ventilation system for mine mining field, further, on the basis of embodiment 4, a connection block 4012 is provided on the outer side of a sleeve 401, and a second telescopic rod 4013 is provided between the connection block 4012 and a supporting base 101.
Specifically, a second telescopic rod 4013 is disposed between the sleeve 401 and the supporting seat 101, the second telescopic rod 4013 can freely stretch and retract along with the up-and-down movement of the sleeve 401, and the second telescopic rod 4013 can limit the sleeve 401 to avoid the sleeve 401 rotating along with the screw rod.
Example 6
Referring to fig. 1, fig. 3, fig. 4, fig. 8, fig. 9 and fig. 10, a ventilation system for mine mining field is provided, on the basis of embodiment 5, further, the ventilation pipe 302 includes a first pipe 3021 fixedly connected with the ventilation housing 301, a second pipe 3022 is slidably connected in the first pipe 3021, one end of the second pipe 3022 is provided with a cone-shaped bucket 7, a gas concentration sensor 9 is disposed on the cone-shaped bucket 7, a filter screen 701 is disposed in the cone-shaped bucket 7, one end of the second pipe 3022, which is far away from the cone-shaped bucket 7, is provided with an annular plate 3023 sliding in the first pipe 3021, a first elastic element 3024 is disposed between the annular plate 3023 and an inner wall of the first pipe 3021, and the first elastic element 3024 is sleeved on the second pipe 3022.
Further, the bottom of the ventilation housing 301 is rotatably connected with a driven gear 8, an incomplete gear ring 4011 meshed with the driven gear 8 is fixedly arranged on the sleeve 401, a first winding drum 801 is fixedly arranged on the driven gear 8 through a rotating shaft, a first pull rope 8011 is wound on the first winding drum 801, and one end, far away from the first winding drum 801, of the first pull rope 8011 is connected with the conical hopper 7.
Specifically, the gas concentration sensor 9 at the conical bucket 7 can detect the air content at the extraction position, when the harmful gas content in the air is too high, the operation power of the ventilation device 6 is quickened, the harmful gas is rapidly extracted and discharged, when the ventilation shell 301 rotates circumferentially relative to the sleeve 401, the driven gear 8 at the bottom of the ventilation shell 301 is intermittently meshed with the incomplete gear ring 4011 on the sleeve 401, when the driven gear 8 is meshed with the incomplete gear ring 4011 for transmission, the driven gear 8 drives the first winding drum 801 to wind the first pull rope 8011, the first pull rope 8011 pulls the conical bucket 7, the conical bucket 7 and the second pipeline 3022 shrink into the first pipeline 3021, the first elastic element 3024 is stretched, and when the driven gear 8 is not meshed with the incomplete gear ring 4011 any more, the first elastic element 3024 is restored to deform and pulls the second pipeline 3022 to stretch out of the first pipeline 3021, so that the ventilation pipe 302 can extract the well air with different distances, the harmful gas in the well can be further increased, the condition of the underground air is avoided, and the safety of the condition of the underground ventilation environment is quickened.
Example 7
Referring to fig. 1, 3, 4, 9, 10 and 11, a ventilation system for mining field is further provided, based on embodiment 6, with a second winding drum 802 at the bottom of the first winding drum 801, a second pull rope 8021 is wound on the second winding drum 802, one end of the second pull rope 8021 away from the second winding drum 802 is connected with an L-shaped plate 702, the L-shaped plate 702 is slidably connected to the cone-shaped bucket 7, and a second elastic element 7021 is provided between the L-shaped plate 702 and the cone-shaped bucket 7.
Specifically, because the first winding drum 801 is connected with the second winding drum 802, when the first pull rope 8011 is wound, the second pull rope 8021 is wound synchronously, so that the second pull rope 8021 pulls the L-shaped plate 702, the L-shaped plate 702 moves downwards relative to the conical hopper 7, the air inlet area at the conical hopper 7 is enlarged, when the first pull rope 8011 is released, the second pull rope 8021 is synchronously released, the second pull rope 8021 does not pull the L-shaped plate 702 any more, the L-shaped plate 702 is pulled downwards by the elastic force of the second elastic element 7021 to reset upwards, the air inlet area of the conical hopper 7 is reduced under the condition that the length of the ventilation pipe 302 is prolonged, the air inlet speed of the ventilation pipe 302 is ensured, the air flow speed at the air inlet is prevented from being too slow due to the fact that the air inlet of the ventilation pipe 302 is far away from a wind source, thereby facilitating the ventilation of air in a well, the harmful gas can be rapidly removed, and the safe working environment in the well is ensured.
Example 8
Referring to fig. 1, fig. 2, fig. 3 and fig. 7, on the basis of embodiment 7, further, the ventilation pipe 302 is provided with a plurality of groups, the ventilation pipes 302 are uniformly distributed on the ventilation casing 301 in circumference, a plurality of diversion blocks 303 are arranged in the ventilation casing 301, and the diversion blocks 303 divide the inner cavity of the ventilation casing 301 into air guide channels 3031 corresponding to the ventilation pipes 302 one by one.
Specifically, when only one ventilation pipe 302 is arranged on the outer side of the ventilation casing 301, the distance for extracting air in the same direction is unchanged when the ventilation pipe 302 rotates circumferentially, only the air with a fixed distance in the direction can be extracted, but the air with different distances in the same direction cannot be extracted, and by uniformly arranging a plurality of ventilation pipes 302 circumferentially on the ventilation casing 301, the meshing condition of the driven gear 8 corresponding to the lower side of each ventilation pipe 302 and the incomplete gear ring 4011 on the sleeve 401 is different, so that the initial length of each ventilation pipe 302 is different, and the ventilation pipes 302 with different lengths can extract the air in the well in the same direction when the ventilation pipes 302 rotate circumferentially along with the ventilation casing 301, thereby improving the extraction efficiency and the extraction range of the ventilation pipes 302 to the harmful gas in the well, and guaranteeing the safe working environment in the well; and through setting up guide block 303 in ventilation shell 301, the air guide channel 3031 that forms between guide block 303 can make each ventilation pipe 302 extraction air mutually noninterfere, guarantees the extraction efficiency to the air in ventilation portion 3 department.
The invention also discloses a use method of the ventilation system for the mining field, which comprises the following steps:
s1: the ventilation equipment 6 is arranged at a mine return air wellhead through a base, an exhaust pipe 605 of the ventilation equipment 6 is arranged outside a mine through an external pipeline, the ventilation equipment 6 is controlled to work, and the ventilation equipment 6 extracts air in the mine through a ventilation shell 301;
s2: subsequently, the driving motor 502 is controlled to operate, the output end of the driving motor 502 drives the driving bevel gear 503 to rotate, the driving bevel gear 503 is meshed with the first bevel gear 504 and the second bevel gear 505 for transmission, the first bevel gear 504 drives the rotating rod 2 to rotate, and the rotating rod 2 drives the ventilation part 3 to rotate through the connecting component 201 when rotating, so that the ventilation pipe 302 arranged on the ventilation part 3 rotates, the ventilation pipe 302 extracts air in a peripheral side mine, and the extraction area of the ventilation pipe 302 for gas in the mine is enlarged;
s3: the second bevel gear 505 drives the reciprocating screw rod 4 to rotate when rotating, the sleeve 401 outside the reciprocating screw rod 4 reciprocates up and down on the outer side of the sleeve, and the ventilation part 3 is driven to move up and down when the sleeve 401 reciprocates up and down, so that the ventilation pipe 302 can extract air at the periphery side in the rotating process and can extract air at different heights in a mine up and down, and the extraction effect on harmful gas in the mine is improved;
s4: when the ventilation housing 301 rotates circumferentially relative to the sleeve 401, the driven gear 8 at the bottom of the ventilation housing 301 is intermittently meshed with the incomplete gear ring 4011 on the sleeve 401, when the driven gear 8 is meshed with the incomplete gear ring 4011 for transmission, the driven gear 8 drives the first winding drum 801 to wind the first pull rope 8011, the first pull rope 8011 pulls the conical hopper 7, the conical hopper 7 and the second pipeline 3022 shrink inwards towards the first pipeline 3021, the first elastic element 3024 is stretched, when the driven gear 8 is not meshed with the incomplete gear ring 4011 any more, the first elastic element 3024 recovers deformation and pulls the second pipeline 3022 to extend out of the first pipeline 3021, so that the length of the ventilation pipe 302 is adjusted, the ventilation pipe 302 can extract the air in wells at different distances on the same horizontal plane, the extraction area of the ventilation pipe 302 to the air in the wells is further increased, the condition that harmful gases in the wells are concentrated in the wells is avoided, and ventilation of the air in the wells is accelerated;
s5: because the first winding drum 801 is connected with the second winding drum 802, when the first pull rope 8011 is wound, the second pull rope 8021 is wound synchronously, so that the second pull rope 8021 pulls the L-shaped plate 702, the L-shaped plate 702 moves downwards relative to the conical hopper 7, the air inlet area at the conical hopper 7 is enlarged, when the first pull rope 8011 is released, the second pull rope 8021 is synchronously released, the second pull rope 8021 does not pull the L-shaped plate 702 any more, the L-shaped plate 702 is reset and moves upwards under the pulling of the elastic force of the second elastic element 7021, the air inlet area of the conical hopper 7 is reduced under the condition of the length of the ventilation pipe 302, the air inlet rate of the ventilation pipe 302 is ensured, and the air extracted by the ventilation equipment 6 is discharged to the ground through the exhaust pipe 605, so that ventilation of the air in a well is quickened.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. Ventilation system for mining field, including base (1), its characterized in that still includes:
the rotating rod (2), the rotating rod (2) is rotatably arranged on the base (1), a connecting component (201) is arranged on the rotating rod (2), one end, far away from the rotating rod (2), of the connecting component (201) is provided with a ventilation part (3), and the ventilation part (3) is provided with a gas concentration sensor (9);
the reciprocating screw rod (4) is sleeved outside the rotating rod (2) and is rotatably arranged with the ventilation part (3), and a sleeve (401) rotatably connected with the ventilation part (3) is connected to the reciprocating screw rod (4) through threads;
the support seat (101), the support seat (101) is fixedly arranged on the base (1) and used for supporting the reciprocating screw rod (4), and the reciprocating screw rod (4) is rotatably arranged on the support seat (101); and
the driving mechanism (5) is fixedly arranged on the base (1) and used for driving the rotating rod (2) and the reciprocating screw rod (4) to rotate.
2. The ventilation system for the mining field according to claim 1, wherein the driving mechanism (5) comprises a support (501) fixedly arranged on the base (1), a driving motor (502) is fixedly arranged on the support (501), an output end of the driving motor (502) penetrates through the support (501) and is connected with a driving bevel gear (503), two sides of the driving bevel gear (503) are respectively connected with a first bevel gear (504) and a second bevel gear (505) in a meshed mode, the first bevel gear (504) is fixedly connected with the rotating rod (2), and the second bevel gear (505) is fixedly connected with the reciprocating screw rod (4).
3. The ventilation system for the mining field according to claim 2, wherein the connection assembly (201) comprises a connection plate (2011) fixedly connected with the top of the rotating rod (2), one end, far away from the rotating rod (2), of the connection plate (2011) is connected with a first telescopic rod (2012), and a telescopic end of the first telescopic rod (2012) is connected with the ventilation part (3).
4. A ventilation system for mine mining field according to claim 3, characterized in that, ventilation portion (3) includes ventilation shell (301) that rotates with sleeve (401) and sets up, ventilation shell (301) outside intercommunication has ventilation pipe (302), ventilation shell (301) external ventilation equipment (6), ventilation equipment (6) include casing (601) with ventilation shell (301) intercommunication, set firmly backup pad (602) in casing (601), be provided with driving motor (603) on backup pad (602), driving motor (603)'s output passes backup pad (602) and is connected with impeller (604), casing (601) keep away from ventilation shell (301) one end and be provided with exhaust pipe (605).
5. The ventilation system for the mining field according to claim 4, wherein a connecting block (4012) is arranged on the outer side of the sleeve (401), and a second telescopic rod (4013) is arranged between the connecting block (4012) and the supporting seat (101).
6. The ventilation system for the mining field according to claim 5, wherein the ventilation pipe (302) comprises a first pipe (3021) fixedly connected with the ventilation casing (301), a second pipe (3022) is slidably connected in the first pipe (3021), one end of the second pipe (3022) is provided with a conical hopper (7), the gas concentration sensor (9) is arranged on the conical hopper (7), a filter screen (701) is arranged in the conical hopper (7), one end, far away from the conical hopper (7), of the second pipe (3022) is provided with an annular plate (3023) sliding in the first pipe (3021), a first elastic element (3024) is arranged between the annular plate (3023) and the inner wall of the first pipe (3021), and the first elastic element (3024) is sleeved on the second pipe (3022).
7. The ventilation system for the mining field according to claim 6, wherein the bottom of the ventilation housing (301) is rotatably connected with a driven gear (8), an incomplete gear ring (4011) meshed with the driven gear (8) is fixedly arranged on the sleeve (401), a first winding drum (801) is fixedly arranged on the driven gear (8) through a rotating shaft, a first pull rope (8011) is wound on the first winding drum (801), and one end, far away from the first winding drum (801), of the first pull rope (8011) is connected with the conical hopper (7).
8. The ventilation system for the mining field according to claim 7, wherein a second winding drum (802) is arranged at the bottom of the first winding drum (801), a second pull rope (8021) is wound on the second winding drum (802), one end, far away from the second winding drum (802), of the second pull rope (8021) is connected with an L-shaped plate (702), the L-shaped plate (702) is slidably connected to the cone-shaped bucket (7), and a second elastic element (7021) is arranged between the L-shaped plate (702) and the cone-shaped bucket (7).
9. The ventilation system for the mining field according to claim 8, wherein the ventilation pipes (302) are provided with a plurality of groups, the ventilation pipes (302) are uniformly distributed on the ventilation housing (301) in a circumference manner, a plurality of diversion blocks (303) are arranged in the ventilation housing (301), and the diversion blocks (303) divide the inner cavity of the ventilation housing (301) into air guide channels (3031) corresponding to the ventilation pipes (302) one by one.
10. A method of using a ventilation system for the mining field according to claim 9, characterized by the steps of:
s1: the ventilation equipment (6) is arranged at a mine return air wellhead through a base, an exhaust pipe (605) of the ventilation equipment (6) is arranged outside a mine through an external pipeline, the ventilation equipment (6) is controlled to work, and the ventilation equipment (6) extracts air in the mine through a ventilation shell (301);
s2: subsequently, the driving motor (502) is controlled to operate, the output end of the driving motor (502) drives the driving bevel gear (503) to rotate, the driving bevel gear (503) is meshed with the first bevel gear (504) and the second bevel gear (505) for transmission simultaneously, the first bevel gear (504) drives the rotating rod (2) to rotate, and the connecting component (201) drives the ventilation part (3) to rotate when the rotating rod (2) rotates, so that the ventilation pipe (302) arranged on the ventilation part (3) rotates, the ventilation pipe (302) extracts air in a peripheral mine, and the extraction area of the ventilation pipe (302) to gas in the mine is enlarged;
s3: the second bevel gear (505) drives the reciprocating screw rod (4) to rotate when rotating, the sleeve (401) on the outer side of the reciprocating screw rod (4) reciprocates up and down on the outer side of the reciprocating screw rod, and the ventilation part (3) is driven to move up and down when the sleeve (401) reciprocates up and down, so that the ventilation pipe (302) can extract air on the periphery in the rotating process and can extract air with different heights in a mine up and down at the same time, and the extraction effect on harmful gases in the mine is improved;
s4: when the ventilation shell (301) rotates circumferentially relative to the sleeve (401), the driven gear (8) at the bottom of the ventilation shell (301) is meshed with the incomplete gear ring (4011) on the sleeve (401) intermittently, when the driven gear (8) is meshed with the incomplete gear ring (4011) for transmission, the driven gear (8) drives the first winding drum (801) to wind the first pull rope (8011), the first pull rope (8011) pulls the conical hopper (7), the conical hopper (7) and the second pipeline (3022) shrink inwards to the first pipeline (3021), the first elastic element (3024) is stretched, when the driven gear (8) is not meshed with the incomplete gear ring (4011) any more, the first elastic element (3024) is deformed in a recovery mode and pulls the second pipeline (3022) to stretch out of the first pipeline (3021), so that the length of the ventilation pipe (302) can be adjusted, the ventilation pipe (302) can extract the air in wells with different distances on the same horizontal plane, the harmful air in the wells is extracted, the situation of the ventilation wells is further increased, and the situation of harmful air in the wells is avoided;
s5: because first receipts reel (801) and second receipts reel (802) link to each other, when first stay cord (8011) is rolled up, second stay cord (8021) synchronous rolling makes second stay cord (8021) to L shaped plate (702) pulling, L shaped plate (702) move down relative toper fill (7), make the air inlet area of toper fill (7) department grow, when first stay cord (8011) is released, second stay cord (8021) synchronous is released, make second stay cord (8021) no longer to L shaped plate (702) pulling, L shaped plate (702) reset under the elasticity pulling of second elastic element (7021) and shift up, make toper fill (7) become small under the condition that ventilation pipe (302) length is prolonged air inlet rate of ventilation pipe (302), the ventilation of ventilation equipment (6) air through exhaust pipe (605) discharge to ground, accelerate ventilation of in-well air.
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