CN114483622A - Mine ventilation structure capable of effectively controlling air flow - Google Patents
Mine ventilation structure capable of effectively controlling air flow Download PDFInfo
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- CN114483622A CN114483622A CN202210032470.0A CN202210032470A CN114483622A CN 114483622 A CN114483622 A CN 114483622A CN 202210032470 A CN202210032470 A CN 202210032470A CN 114483622 A CN114483622 A CN 114483622A
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- Prior art keywords
- ventilation
- wind
- arc
- support frame
- mine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/006—Ventilation at the working face of galleries or tunnels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Abstract
The invention relates to a mine ventilation structure, in particular to a mine ventilation structure capable of effectively controlling air flow, which comprises a first trapezoidal support frame, a second trapezoidal support frame, a filtering support frame, a ventilation three-way pipe and the like; the first trapezoidal support frame and the second trapezoidal support frame are fixedly installed on the mine installation structure, the second trapezoidal support frame is provided with a filtering support frame, and the first trapezoidal support frame is fixedly provided with a ventilation three-way pipe. The input air flow is filtered through the filter screen barrel, and then the filtered fresh air is conveyed into the mine, so that the oxygen concentration in the mine can be increased and supplied to underground workers for use, and toxic and harmful gases and dust in the mine can be diluted and removed.
Description
Technical Field
The invention relates to a mine ventilation structure, in particular to a mine ventilation structure capable of effectively controlling air flow.
Background
The mine is a general name of a roadway, an underground chamber, equipment, a ground building and a structure forming an underground coal mine production system, is located at a deeper position underground, has more toxic and harmful gases and dust and lower oxygen concentration, easily threatens the life safety of workers in the construction process, has larger potential safety hazard, and in order to ensure that underground airflow flows and is distributed along a specified route, a ventilation facility which is a structure for guiding and controlling the airflow is built in certain roadways to supply enough fresh air to increase the oxygen concentration so as to dilute and remove the toxic and harmful gases and dust in the mine, ensure the safe production of workers, adjust the underground climate and create a good working environment.
Traditional mine ventilation structure can not adjust the inside wind current size of ventilation pipe according to how much of the inside personnel of mine in the use, when personnel are more in the mine, still can cause the inside air of mine not to circulate, and oxygen content is lower, and traditional mine ventilation structure can not shunt the inside wind current of ventilation pipe, leads to the air can't flow to other routes of mine inside, and then makes the air can not supply the personnel of each route of mine and use.
Disclosure of Invention
How to design a mine ventilation structure which can adjust the air supply amount according to the number of people in a mine, can convey air to other routes in the mine and can change the output direction of the air flow according to requirements and effectively control the air flow becomes the problem to be solved at present.
The embodiment provides a mine ventilation structure that can effective control wind current, including trapezoidal support frame one and trapezoidal support frame two, trapezoidal support frame one and two fixed mounting of trapezoidal support frame are on mine mounting structure, still including:
the second trapezoid supporting frame is provided with a filtering supporting frame, and the filtering supporting frame is convenient for wind flow to enter the interior of the second trapezoid supporting frame and plays a role in protecting internal equipment;
the filter support frame is connected with the ventilation three-way pipe in a bolt connection mode;
the wind power driving assembly is positioned in the filtering support frame and is used for conveying wind current;
the filter screen barrel is fixedly arranged in the ventilation tee pipe and is used for conveying wind flow;
the air flow adjusting assembly is arranged on the filter screen barrel and used for adjusting the size of the air flow.
Optionally, the filter screen barrel is provided with filter holes in an evenly distributed manner on two sides thereof for blocking dust in the airflow and filtering the airflow.
Optionally, the wind power driving assembly comprises a fan cover, a servo motor and a driving fan, the fan cover is fixedly installed in the filtering support frame, the servo motor is fixedly installed in the filtering support frame, and the driving fan is welded at one end of an output shaft of the servo motor.
Optionally, the airflow adjusting assembly comprises a spline shaft, an octahedral sliding sleeve, a rectangular slotted frame, an arc-shaped poking rod, a first electromagnet, a first reset spring, a reciprocating screw rod, a limiting strip, a notch block, a fixed block and a second reset spring, the spline shaft is fixedly connected on the front side of the driving fan, the octahedral sliding sleeve is slidably connected on the spline shaft, the rectangular slotted frame is symmetrically and fixedly connected in the ventilation tee pipe, the arc-shaped poking rod is slidably connected on the rectangular slotted frame, the two arc-shaped poking rods are slidably connected with the octahedral sliding sleeve, the first electromagnet is fixedly connected on the arc-shaped poking rod, the first electromagnet is fixedly connected on the rectangular slotted frame, the two electromagnets on the same side are in contact with each other, the first reset spring is connected between the rectangular slotted frame on the same side and the arc-shaped poking rod, the reciprocating screw rod is rotatably connected on the filter screen barrel, the two limiting strips are fixedly connected in the filter screen barrel, the reciprocating screw rod is connected with three notch blocks in a thread fit manner, three breach sprue all is connected with two spacing slidingtypes, and two adjacent breach sprue slidingtype are connected, and the rigid coupling has fixed sprue on the reciprocal lead screw, two spacing and fixed sprue rigid couplings, and fixed sprue is connected with the breach sprue slidingtype of front side, is connected with second reset spring between two adjacent breach sprue, is connected with second reset spring between the breach sprue of fixed sprue and front side equally.
Optionally, the ventilating tee comprises an air dust cleaning assembly, the air dust cleaning assembly is arranged on the spline shaft and comprises a rotary grooved wheel and an arc-shaped push rod, the spline shaft is fixedly connected with the rotary grooved wheel, the arc-shaped push rod is connected in the ventilating tee in a sliding mode, and the arc-shaped push rod is in limit connection with the rotary grooved wheel.
Optionally, the ventilation tee pipe comprises an emergency air outlet assembly, an emergency air outlet assembly is arranged on one notch plugging block, the emergency air outlet assembly comprises an electromagnetic valve, a fixed valve body, a sliding valve core, a first homing spring and a pressure sensor, the electromagnetic valve is arranged above the ventilation tee pipe, the fixed valve body is arranged on the notch plugging block on the last side, the sliding valve core is connected onto the fixed valve body in a sliding mode, the first homing spring is connected between the sliding valve core and the fixed valve body, and the pressure sensor is arranged in the fixed valve body.
Optionally, the ventilation device further comprises an early warning assembly, the ventilation three-way pipe is fixedly provided with the early warning assembly, the early warning assembly comprises an opening ventilation block, an impeller, a metal knocking block and a one-way valve, the ventilation three-way pipe is fixedly provided with the opening ventilation block, the opening ventilation block is rotatably connected with the impeller, the opening ventilation block is internally provided with the metal knocking block in a circumferentially distributed mode, and the opening ventilation block is internally provided with the one-way valve.
Optionally, the ventilation three-way pipe comprises a wind direction adjusting assembly, the front side of the ventilation three-way pipe is fixedly provided with the wind direction adjusting assembly, the wind direction adjusting assembly comprises a cross connecting pipeline, an arc-shaped protective shell, a cylindrical filter screen block and a wind direction adjusting device, the front side of the ventilation three-way pipe is connected with the cross connecting pipeline in a bolt connection mode, the cross connecting pipeline is fixedly connected with two arc-shaped protective shells, the cylindrical filter screen block is symmetrically arranged in the cross connecting pipeline, and the adjusting device is arranged on the arc-shaped protective shells.
Optionally, the adjusting device comprises an adjusting shifting plate, a sliding rack, a second electromagnet, an adjusting gear and a second homing spring, the mode that is evenly arranged on the filter screen block rotates and is connected with the adjusting shifting plate, the adjusting shifting plate is connected with the cross connecting pipeline in a rotating mode, the sliding rack is connected with the sliding protective shell in a sliding mode, the sliding rack is fixedly connected with the second electromagnet, the second electromagnet is fixedly connected with the arc protective shell in a same mode, the adjusting gear is fixedly connected above the adjusting shifting plate and is meshed with the sliding rack, and the second homing spring is connected between the sliding rack and the arc protective shell.
Compared with the prior art, the invention has the following advantages:
1. the input air flow is filtered through the filter screen barrel, and then the filtered fresh air is conveyed into the mine, so that the oxygen concentration in the mine can be increased and supplied to underground workers for use, and toxic and harmful gases and dust in the mine can be diluted and removed.
2. Through the effect of reciprocal lead screw, can change the interval between each breach sprue and the fixed sprue, and then can control the air current size of export in the filter screen bucket, reach the purpose of adjusting the air supply volume according to the workman quantity in the mine, satisfy the demand of different personnel quantity to oxygen.
3. Through the pressure sensor who sets up, can have the air input to the three-way pipe that ventilates and detect, and then learn servo motor and whether take place the short circuit, and can control solenoid valve and open when servo motor takes place the short circuit and continue to carry the wind stream to the mine in, guarantee that can not lack the air in the mine.
4. Through the cross connecting pipeline who sets up, cross connecting pipeline can shunt the wind current for the wind current is carried to each branch road of mine in, and then can use the personnel of each route in the air supply mine.
5. Through wind direction adjusting part, can change and adjust the air that stirs the board position and then lead to the output for the air flow direction of output is changed, realizes changing the purpose of wind current output direction according to the demand.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a partial perspective view of the present invention.
FIG. 4 is a schematic sectional perspective view of a wind driven assembly of the present invention.
Fig. 5 is a schematic view of a first partially cut-away three-dimensional structure of the emergency air outlet assembly according to the present invention.
Fig. 6 is a schematic perspective view of the dust cleaning assembly of the present invention.
Fig. 7 is a schematic view of a partially cut-away perspective structure of the air flow adjustment assembly of the present invention.
Fig. 8 is a schematic view of a second partially cut-away three-dimensional structure of the emergency air outlet assembly according to the present invention.
Fig. 9 is a schematic sectional perspective view of the early warning assembly of the present invention.
FIG. 10 is a schematic view of a first partially assembled body of the wind direction adjustment assembly of the present invention.
FIG. 11 is a schematic view of a second partial body structure of the wind direction adjustment assembly of the present invention.
The parts are labeled as follows: 1: ladder-shaped support frame one, 21: trapezoidal support frame two, 22: filter support frame, 23: ventilation three-way pipe, 3: wind power driving assembly, 31: fan case, 32: servo motor, 33: drive fan, 4: filter screen bucket, 5: wind flow regulating assembly, 51: spline shaft, 52: octahedral sliding bush, 53: rectangular slotted frame, 54: arc poker rod, 55: electromagnet I, 56: first return spring, 57: reciprocating screw rod, 58: spacing strip, 59: gap block, 591: fixed block, 510: second return spring, 6: wind dust cleaning assembly, 61: rotating sheave, 62: arc catch bar, 7: emergent air-out subassembly, 71: electromagnetic valve, 72: fixed valve body, 73: spool, 74: first return spring, 75: pressure sensor, 8: early warning subassembly, 81: open vent block, 82: impeller, 83: metal knock block, 84: one-way valve, 9: wind direction adjusting part, 91: cross connecting pipe, 92: arc protective housing, 93: column-type filter block, 94: adjusting the toggle plate, 95: sliding rack, 96: electromagnet two, 97: adjustment gear, 98: a second homing spring.
Detailed Description
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
A mine ventilation structure capable of effectively controlling air flow is shown in figures 1-7 and comprises a first trapezoidal support frame 1, a second trapezoidal support frame 21 and a filtering support frame 22, ventilation three-way pipe 23, wind-force drive assembly 3, filter screen bucket 4 and wind flow adjusting part 5, trapezoidal support frame one 1 and two 21 fixed mounting of trapezoidal support frame are on mine mounting structure, be provided with filter support frame 22 on the trapezoidal support frame two 21, fixed mounting has the ventilation three-way pipe 23 that is used for carrying the wind current on the trapezoidal support frame one 1, filter support frame 22 is connected through bolted connection's mode with ventilation three-way pipe 23, wind-force drive assembly 3 is located filter support frame 22, wind-force drive assembly 3 is used for carrying the wind current to filter support frame 22 in, fixed mounting has filter screen bucket 4 in the ventilation three-way pipe 23, filter screen bucket 4 is used for filtering the air, wind flow adjusting part 5 for adjusting the size of wind current is located on filter screen bucket 4.
The wind power driving assembly 3 comprises a fan cover 31, a servo motor 32 and a driving fan 33, the fan cover 31 is fixedly installed in the filtering support frame 22, the servo motor 32 for driving is fixedly installed in the filtering support frame 22, the driving fan 33 is welded at one end of an output shaft of the servo motor 32, and the fan cover 31 is used for protecting the driving fan 33.
The wind flow adjusting assembly 5 comprises a spline shaft 51, an octahedral sliding sleeve 52, a rectangular slotted frame 53, an arc-shaped poking rod 54, a first electromagnet 55, a first reset spring 56, a reciprocating screw rod 57, a limiting strip 58, a notch block 59, a fixed block 591 and a second reset spring 510, the spline shaft 51 is fixedly connected on the front side of the driving fan 33, the octahedral sliding sleeve 52 is slidably connected on the spline shaft 51, the rectangular slotted frame 53 is symmetrically and fixedly connected in the ventilation three-way pipe 23, the arc-shaped poking rod 54 is slidably connected on the rectangular slotted frame 53, the two arc-shaped poking rods 54 are both slidably connected with the octahedral sliding sleeve 52, the first electromagnet 55 is fixedly connected on the arc-shaped poking rod 54, the first electromagnet 55 is also fixedly connected on the rectangular slotted frame 53, the two electromagnets 55 on the same side are in contact with each other, the first reset spring 56 is connected between the rectangular slotted frame 53 and the arc-shaped poking rod 54, the reciprocating screw rod 57 is connected on the filter screen barrel 4, two limiting strips 58 are fixedly connected to the inside of the filter screen barrel 4, three notch plugging blocks 59 are connected to the reciprocating screw rod 57 in a threaded fit mode, the notch plugging blocks 59 are used for blocking wind current, the three notch plugging blocks 59 are connected with the two limiting strips 58 in a sliding mode, the limiting strips 58 are used for limiting the three notch plugging blocks 59, the two adjacent notch plugging blocks 59 are connected in a sliding mode, a fixed plugging block 591 is fixedly connected to the reciprocating screw rod 57, the fixed plugging block 591 is also used for blocking the wind current, the two limiting strips 58 are fixedly connected with the fixed plugging block 591, the fixed plugging block 591 is connected with the notch plugging block 59 on the front side in a sliding mode, a second reset spring 510 used for resetting is connected between the two adjacent notch plugging blocks 59, and a second reset spring 510 is also connected between the fixed plugging block 591 and the notch plugging block 59 on the front side.
The first trapezoidal support frame 1 and the second trapezoidal support frame 21 are fixedly installed at a turning port inside a mine, the cloth bag is connected with the ventilation three-way pipe 23, the filtering support frame 22 can protect the servo motor 32, ores in the mine are prevented from falling to smash the servo motor 32, and meanwhile, air inlets in the filtering support frame 22 are convenient for air flow to enter the inside of the filtering support frame. The staff manually starts servo motor 32, and servo motor 32 output shaft rotates and drives drive fan 33 and rotate, and drive fan 33 rotates and carries outside wind current to the tee bend pipe 23 that ventilates through filtering support frame 22 in, and filter screen bucket 4 filters the wind current, and in the filtered wind current carried the mine through the sack, the realization supplied fresh air with the mesh that the workman used in the pit.
When the number of workers in the mine is large, the supply air quantity needs to be increased, a worker manually controls the electromagnet I55 to be electrified to generate magnetism, the two electromagnets I55 on the same side repel each other, the electromagnet I55 drives the arc-shaped poking rod 54 and the octahedral sliding sleeve 52 to move towards the direction far away from the filtering support frame 22, the octahedral sliding sleeve 52 is embedded into the reciprocating screw rod 57, the driving fan 33 rotates to drive the spline shaft 51 and the octahedral sliding sleeve 52 to rotate, the octahedral sliding sleeve 52 drives the reciprocating screw rod 57 to rotate, the reciprocating screw rod 57 drives the notch blocks 59 to move towards the direction close to the filtering support frame 22, the distance between each notch block 59 and the fixed block 591 is increased, the airflow can smoothly pass between the notch block 59 and the fixed block 591, the airflow output from the filtering net barrel 4 is increased, and the demand of the workers on oxygen is met. When the number of workers in the mine is small, the first electromagnet 55 is manually controlled by a worker to be powered off, the compressed first return spring 56 is reset to drive the arc-shaped poking rod 54 and the octahedral sliding sleeve 52 to move towards the direction close to the filtering support frame 22, the octahedral sliding sleeve 52 is separated from the reciprocating screw rod 57, and the stretched second return spring 510 is reset to drive the notch plugging block 59 to move towards the direction far from the filtering support frame 22 to reset, so that the distance between each notch plugging block 59 and the fixed plugging block 591 is reduced, the notch plugging block 59 and the fixed plugging block 591 can block airflow, the airflow output from the filtering net barrel 4 is reduced, and the airflow output quantity is changed.
Example 2
On the basis of embodiment 1, as shown in fig. 6, the dust cleaning device further comprises a dust cleaning assembly 6, the spline shaft 51 is provided with the dust cleaning assembly 6, the dust cleaning assembly 6 is used for cleaning dust in the ventilation three-way pipe 23, the dust cleaning assembly 6 comprises a rotary grooved pulley 61 and an arc push rod 62, the spline shaft 51 is fixedly connected with the rotary grooved pulley 61, the arc push rod 62 is connected in the ventilation three-way pipe 23 in a sliding manner, the arc push rod 62 is used for scraping dust in the ventilation three-way pipe 23, the arc push rod 62 is connected with the rotary grooved pulley 61 in a limiting manner, and the rotary grooved pulley 61 is used for guiding the arc push rod 62.
When filter screen bucket 4 filters the air, the dust in the air can be kept off in filter screen bucket 4 rear side, and integral key shaft 51 can drive rotatory sheave 61 and rotate, and rotatory sheave 61 can promote arc catch bar 62 reciprocating motion about, and arc catch bar 62 scrapes out the dust in the three-way pipe 23 that ventilates, reaches the purpose to the dust clearance.
Example 3
On the basis of embodiment 1, as shown in fig. 8, the emergency air outlet assembly 7 is further included, an emergency air outlet assembly 7 is arranged on one notch blocking block 59, the emergency air outlet assembly 7 is used for continuously providing fresh air to be supplied to downhole workers for use when the servo motor 32 is short-circuited, the emergency air outlet assembly 7 includes an electromagnetic valve 71, a fixed valve body 72, a sliding valve spool 73, a first homing spring 74 and a pressure sensor 75, the electromagnetic valve 71 is arranged above the inside of the ventilation three-way pipe 23, a fixed valve body 72 for conveying air flow is arranged on the notch blocking block 59 on the last side, the sliding valve spool 73 is slidably connected on the fixed valve body 72, the first homing spring 74 is connected between the sliding valve spool 73 and the fixed valve body 72, the pressure sensor 75 is arranged in the fixed valve body 72, and the pressure sensor 75 is used for detecting the pressure applied to the sliding valve spool 73 by the pressure sensor.
When the wind current passes through the notch blocking block 59, the wind current pushes the sliding valve spool 73 to move in the direction away from the filter support frame 22, the sliding valve spool 73 presses the pressure sensor 75, so that the pressure sensor 75 detects the pressure, when the servo motor 32 is short-circuited, the driving fan 33 does not rotate any more and does not convey the air into the ventilation three-way pipe 23 any more, the compressed first return spring 74 is reset to drive the sliding valve spool 73 to move in the direction close to the filter support frame 22 to be reset, so that the sliding valve spool 73 is separated from the pressure sensor 75, the pressure sensor 75 detects that the sliding valve spool 73 does not exert the pressure any more, the pressure sensor 75 controls the electromagnetic valve 71 to be opened, the top of the ventilation three-way pipe 23 is provided with a wind conveying device, the wind conveying device at the top conveys the wind current into the ventilation three-way pipe 23 through the electromagnetic valve 71 to continue to provide fresh air for underground workers to use, the service person then performs service on the servo motor 32.
Example 4
On the basis of embodiment 1, as shown in fig. 9, still including early warning subassembly 8, fixed mounting has early warning subassembly 8 on the ventilation three-way pipe 23, early warning subassembly 8 is used for reminding staff servo motor 32 to take place the short circuit, early warning subassembly 8 is including opening ventilation piece 81, impeller 82, metal strikes piece 83 and check valve 84, fixed mounting has opening ventilation piece 81 on the ventilation three-way pipe 23, opening ventilation piece 81 is used for carrying partial air current, the last rotation type of opening ventilation piece 81 is connected with impeller 82, be connected with metal in the opening ventilation piece 81 that is circumferential direction and strike piece 83, impeller 82 is used for striking metal and strikes piece 83 and makes sound, be provided with check valve 84 in the opening ventilation piece 81.
When the wind conveying device at the top conveys wind current to the ventilation three-way pipe 23, a part of wind current enters the opening ventilation block 81, the wind current can push the impeller 82 to rotate, the impeller 82 can stir the metal knocking block 83, so that the metal knocking block 83 emits knocking sound, the short circuit of the servo motor 32 can be prompted to occur, maintenance personnel can maintain the servo motor 32 in time, and then the wind current in the opening ventilation block 81 is discharged through the one-way valve 84.
Example 4
On the basis of embodiment 1, as shown in fig. 10 to 11, the wind direction adjusting device 9 is further included, the wind direction adjusting device 9 is fixedly installed on the front side of the ventilation three-way pipe 23, the wind direction adjusting device 9 is used for adjusting the direction of the output wind flow, the wind direction adjusting device 9 includes a cross connecting pipe 91, an arc-shaped protective housing 92, a cylindrical filter screen block 93, an adjusting shifting plate 94, a sliding rack 95, a second electromagnet 96, an adjusting gear 97 and a second return spring 98, the front side of the ventilation three-way pipe 23 is connected with the cross connecting pipe 91 through a bolt connection, the cross connecting pipe 91 is used for shunting the wind flow, the cross connecting pipe 91 is fixedly connected with two arc-shaped protective housings 92, the cylindrical filter screen blocks 93 are symmetrically arranged in the cross connecting pipe 91, the cylindrical filter screen blocks 93 are used for filtering the wind flow, the adjusting shifting plates 94 are rotatably connected to the cylindrical filter screen blocks 93 in a uniform arrangement manner, the adjusting toggle plate 94 is used for guiding output air, the adjusting toggle plate 94 is rotatably connected with the cross connecting pipeline 91, the arc-shaped protective shell 92 is slidably connected with a sliding rack 95, the sliding rack 95 is fixedly connected with a second electromagnet 96, the arc-shaped protective shell 92 is also fixedly connected with the second electromagnet 96, an adjusting gear 97 is fixedly connected above the adjusting toggle plate 94, the adjusting gear 97 is meshed with the sliding rack 95, and a second homing spring 98 is connected between the sliding rack 95 and the arc-shaped protective shell 92.
The sack is connected with cross connecting tube 91, and the air that is filtered by filter screen bucket 4 can get into in the cross connecting tube 91 through ventilation three-way pipe 23, and cross connecting tube 91 shunts the distinguished and admirable, and the distinguished and admirable of being shunted can be carried to each route of mine in, can use the workman of each route of air supply mine. When the direction of the air flow output by the cross connecting pipeline 91 needs to be adjusted, a worker controls the two electromagnets 96 to be electrified, the two electromagnets 96 on the same side are mutually adsorbed, the two electromagnets 96 drive the sliding rack frame 95 to move towards the direction close to the filtering support frame 22, the sliding rack frame 95 drives the adjusting gear 97 and the adjusting shifting plate 94 to rotate, and therefore the adjusting shifting plate 94 can guide the output air, and the direction of the air flow output is further changed.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (9)
1. The utility model provides a mine ventilation structure of ability effective control wind current, including trapezoidal support frame (1) and trapezoidal support frame two (21), trapezoidal support frame (1) and trapezoidal support frame two (21) fixed mounting are on mine mounting structure, characterized by, still including:
the second trapezoid supporting frame (21) is provided with the filtering supporting frame (22), and the filtering supporting frame (22) is convenient for wind flow to enter the interior of the second trapezoid supporting frame and plays a role in protecting internal equipment;
the filter support frame (22) is connected with the ventilation three-way pipe (23) in a bolt connection mode;
the wind power driving assembly (3), the wind power driving assembly (3) is positioned in the filtering support frame (22), and the wind power driving assembly (3) is used for conveying wind current;
the filter screen barrel (4) is fixedly installed in the ventilation three-way pipe (23), and the filter screen barrel (4) is used for conveying wind current;
the wind flow adjusting component (5) is arranged on the filter screen barrel (4), and the wind flow adjusting component (5) is used for adjusting the size of the wind flow.
2. A mine ventilation structure effective in controlling air flow, as claimed in claim 1, wherein: the two sides of the filter screen barrel (4) are uniformly distributed and are provided with filter holes for blocking dust in the airflow and filtering the airflow.
3. A mine ventilation structure effective in controlling air flow, as claimed in claim 1, wherein: wind-force drive assembly (3) is including having fan cover (31), servo motor (32) and drive fan (33), and filter support frame (22) internal fixed mounting has fan cover (31), and servo motor (32) fixed mounting has drive fan (33) in filtering support frame (22), and servo motor (32) output shaft one end welding has.
4. A mine ventilation structure effective in controlling air flow, as claimed in claim 1, wherein: the airflow adjusting assembly (5) comprises a spline shaft (51), an octahedral sliding sleeve (52), a rectangular slotted frame (53), arc-shaped shifting rods (54), a first electromagnet (55), a first return spring (56), a reciprocating screw rod (57), a limiting strip (58), a notch block (59), a fixed block (591) and a second return spring (510), the spline shaft (51) is fixedly connected to the front side of a driving fan (33), the octahedral sliding sleeve (52) is slidably connected to the spline shaft (51), the rectangular slotted frame (53) is symmetrically and fixedly connected to the inside of a ventilation three-way pipe (23), the arc-shaped shifting rods (54) are slidably connected to the rectangular slotted frame (53), the two arc-shaped shifting rods (54) are both slidably connected to the octahedral sliding sleeve (52), the first electromagnet (55) is fixedly connected to the arc-shaped shifting rods (54), and the first electromagnet (55) is fixedly connected to the rectangular slotted frame (53), two electromagnets I (55) on the same side are in contact with each other, a first reset spring (56) is connected between a rectangular slotted frame (53) on the same side and an arc-shaped toggle rod (54), a reciprocating lead screw (57) is rotatably connected to a filter screen barrel (4), two limiting strips (58) are fixedly connected to the inside of the filter screen barrel (4), three gap blocks (59) are connected to the reciprocating lead screw (57) in a threaded fit manner, the three gap blocks (59) are both slidably connected with the two limiting strips (58), two adjacent gap blocks (59) are slidably connected, a fixed block (591) is fixedly connected to the reciprocating lead screw (57), the two limiting strips (58) are fixedly connected with the fixed block (591), the fixed block (591) is slidably connected with the gap block (59) on the front side, a second reset spring (510) is connected between the two adjacent gap blocks (59), and a second reset spring (510) is also connected between the fixed block (591) and the gap block (59) on the front side ).
5. A mine ventilation structure effective in controlling air flow, as claimed in claim 4, wherein: still including wind dirt clearance subassembly (6), be provided with wind dirt clearance subassembly (6) on integral key shaft (51), wind dirt clearance subassembly (6) is including rotatory sheave (61) and arc catch bar (62), and the rigid coupling has rotatory sheave (61) on integral key shaft (51), and arc catch bar (62) slidable type is connected in ventilation three-way pipe (23), arc catch bar (62) and rotatory sheave (61) limit connection.
6. A mine ventilation structure effective in controlling air flow, as claimed in claim 4, wherein: the ventilation three-way pipe is characterized by further comprising an emergency air outlet assembly (7), wherein an emergency air outlet assembly (7) is arranged on one notch plug block (59), the emergency air outlet assembly (7) comprises an electromagnetic valve (71), a fixed valve body (72), a sliding valve core (73), a first homing spring (74) and a pressure sensor (75), the electromagnetic valve (71) is arranged above the inside of the ventilation three-way pipe (23), the fixed valve body (72) is arranged on the notch plug block (59) on the last side, the sliding valve core (73) is connected on the fixed valve body (72) in a sliding mode, the first homing spring (74) is connected between the sliding valve core (73) and the fixed valve body (72), and the pressure sensor (75) is arranged in the fixed valve body (72).
7. A mine ventilation structure capable of effectively controlling wind current according to claim 1, wherein: still including early warning subassembly (8), fixed mounting has early warning subassembly (8) on ventilation three-way pipe (23), early warning subassembly (8) are including opening ventilation piece (81), impeller (82), metal strikes piece (83) and check valve (84), fixed mounting has opening ventilation piece (81) on ventilation three-way pipe (23), the last rotation type of opening ventilation piece (81) is connected with impeller (82), the mode that is circumference distribution in opening ventilation piece (81) is connected with metal and strikes piece (83), be provided with check valve (84) in opening ventilation piece (81).
8. A mine ventilation structure effective in controlling air flow, as claimed in claim 1, wherein: still including wind direction adjusting part (9), ventilation three-way pipe (23) front side fixed mounting has wind direction adjusting part (9), wind direction adjusting part (9) are including cross connecting tube (91), arc protective housing (92), columnar order filter screen piece (93) and wind direction adjusting device, ventilation three-way pipe (23) front side is connected with cross connecting tube (91) through bolted connection's mode, two arc protective housings (92) of fixedly connected with on cross connecting tube (91), the symmetry is provided with columnar order filter screen piece (93) in cross connecting tube (91), be provided with adjusting device on arc protective housing (92).
9. A mine ventilation structure effective in controlling air flow, as claimed in claim 8, wherein: the adjusting device comprises an adjusting shifting plate (94), a sliding rack frame (95), a second electromagnet (96), an adjusting gear (97) and a second homing spring (98), the mode of uniform arrangement on the filter screen block (93) is rotationally connected with the adjusting shifting plate (94), the adjusting shifting plate (94) is rotatably connected with a cross connecting pipeline (91), the arc-shaped protective shell (92) is slidably connected with the sliding rack frame (95), the sliding rack frame (95) is fixedly connected with the second electromagnet (96), the arc-shaped protective shell (92) is also fixedly connected with the second electromagnet (96), the adjusting gear (97) is fixedly connected above the adjusting shifting plate (94), the adjusting gear (97) is meshed with the sliding rack frame (95), and the second homing spring (98) is connected between the sliding rack frame (95) and the arc-shaped protective shell (92).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210032470.0A CN114483622B (en) | 2022-01-12 | 2022-01-12 | Mine ventilation structure capable of effectively controlling wind flow |
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| CN202210032470.0A CN114483622B (en) | 2022-01-12 | 2022-01-12 | Mine ventilation structure capable of effectively controlling wind flow |
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| CN114483622A true CN114483622A (en) | 2022-05-13 |
| CN114483622B CN114483622B (en) | 2023-08-11 |
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| CN116575967A (en) * | 2023-05-10 | 2023-08-11 | 华能云南滇东能源有限责任公司 | Mine ventilation system and device |
| CN117167339A (en) * | 2023-11-02 | 2023-12-05 | 南通海国机械有限公司 | Ventilation adjusting device and system |
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| CN117167339B (en) * | 2023-11-02 | 2024-03-12 | 南通海国机械有限公司 | Ventilation adjusting device and system |
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| Publication number | Publication date |
|---|---|
| CN114483622B (en) | 2023-08-11 |
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