CN215949544U - Double-fan double-power-source continuous ventilation device for local ventilation tunneling working face - Google Patents
Double-fan double-power-source continuous ventilation device for local ventilation tunneling working face Download PDFInfo
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- CN215949544U CN215949544U CN202121997565.3U CN202121997565U CN215949544U CN 215949544 U CN215949544 U CN 215949544U CN 202121997565 U CN202121997565 U CN 202121997565U CN 215949544 U CN215949544 U CN 215949544U
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- 238000009423 ventilation Methods 0.000 title claims abstract description 31
- 230000005641 tunneling Effects 0.000 title claims description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000011324 bead Substances 0.000 abstract 2
- 241001347978 Major minor Species 0.000 abstract 1
- 238000007664 blowing Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a double-fan double-power-source continuous ventilation device for a local ventilation driving working face, which comprises: a mounting seat; the main fan is fixedly arranged on one side of the top end of the mounting seat; the auxiliary fan is fixedly arranged at the top end of the mounting seat; the conversion tee joint is fixedly arranged on one side of the top end of the mounting seat; the air supply switching mechanism is arranged on one side of the switching tee joint; the air duct is in threaded connection with one side of the conversion tee; and the wind power lifting mechanism is arranged on the outer wall of the air duct. This two double dynamical source local ventilation of fan tunnelling working face continuous ventilation device opens the back when the deep bead of controlling in one of them connecting cylinder, can make the deep bead in another connecting cylinder close to can accomplish the air feed of major-minor fan to the tunnelling working face, can improve the transmission intensity of wind in the dryer, so that the wind energy can be smooth enough reaches the mine depths, in order to ensure normal air feed.
Description
Technical Field
The utility model relates to the technical field of mine ventilation, in particular to a double-fan double-power-source continuous ventilation device for a local ventilation driving working face.
Background
At present, a local ventilator of an underground tunneling working face adopts three special locks, a double fan, a double power supply and an automatic switching device, when the main fan stops running, a standby fan is immediately and automatically started, and normal air supply of the tunneling working face is ensured;
at present, when the main machine and the auxiliary machine are used, the switches of the air cylinders are controlled through the electromagnetic valves so as to complete air supply to a tunneling working face, and the electric elements are easy to damage after being used for a long time, so that the probability of accidents is high, potential safety hazards exist, the air supply distance to a mine is limited, and effective air supply cannot be performed in the deep part of the mine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-fan double-power-source continuous ventilation device for a local ventilation tunneling working face, and aims to solve the problems that in the prior art, the probability of accidents is high, potential safety hazards exist, the air supply distance to a mine is limited, and effective air supply cannot be carried out at the deep part of the mine.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a two fan double dynamical source local ventilation tunnelling working face continuous ventilation device, includes:
a mounting seat;
the main fan is fixedly arranged on one side of the top end of the mounting seat;
the auxiliary fan is fixedly arranged at the top end of the mounting seat;
the conversion tee joint is fixedly arranged on one side of the top end of the mounting seat;
the air supply switching mechanism is arranged on one side of the switching tee joint;
the air duct is in threaded connection with one side of the conversion tee;
and the wind power lifting mechanism is arranged on the outer wall of the air duct.
Preferably, the air-blowing switching mechanism includes: the connecting cylinders are fixedly arranged on one side of the conversion tee joint, and the number of the connecting cylinders is two; the air outlets of the main fan and the auxiliary fan are connected with air conveying pipelines through screws, and the two air conveying pipelines are respectively connected with one end of one connecting cylinder through screws; the first rotating shaft is rotatably arranged in the inner cavity of the connecting cylinder through a bearing along the front-back direction, an inner ring of the bearing is in interference fit with the outer wall of the first rotating shaft, and an outer ring of the bearing is fixedly arranged on the outer wall of the connecting cylinder; the wind shield is sleeved with the outer wall of the first rotating shaft and is connected with the inner cavity of the connecting cylinder in an adaptive inserting mode.
Preferably, the air-blowing switching mechanism further includes: the shell is fixedly arranged at the rear side of one of the connecting cylinders; one end of the rotating shaft extends into the inner cavity of the shell and is in key connection with the gear; the bottom end of the inner cavity of the shell is provided with a sliding groove along the left-right direction, the inner cavity of the sliding groove is inserted with a sliding block, the top end of the sliding block is fixedly provided with a rack, and the rack is meshed with the outer wall of the gear; the cylinder is fixedly arranged on one side of the shell, and one end of the cylinder extends into the inner cavity of the shell and is fixedly connected with one end of the rack.
Preferably, the wind deflectors are circular in shape, and the two wind deflectors are vertically arranged in a staggered mode.
Preferably, the wind-lift mechanism includes: the air duct comprises a strip-shaped shell, wherein the strip-shaped shell is fixedly arranged at the bottom end of the outer wall of the air duct, and the top end of the strip-shaped shell is positioned in the air duct; the second rotating shaft is rotatably arranged on one side of the inner cavity of the strip-shaped shell through a bearing; the motor is fixedly arranged at the bottom end of one side of the strip-shaped shell; the belt pulleys are fixedly arranged on the output end of the motor and the outer wall of the second rotating shaft; the belt is in matched sleeve joint with the outer walls of the two belt pulleys; and one end of the second rotating shaft extends out of one side of the strip-shaped shell and is fixedly provided with a fan blade.
Preferably, the fan blade is located on the left side of the strip-shaped shell, and the fan blade is an axial flow fan blade and can enhance the conveying of the wind direction conveyed in the wind barrel in the same direction.
Compared with the prior art, the utility model has the beneficial effects that: the double-fan double-power source local ventilation tunneling working face continuous ventilation device;
1. the wind supply switching mechanism is arranged to control the gear to rotate so that the first rotating shaft rotates clockwise or anticlockwise around the axis of the first rotating shaft, the wind shields can be driven to turn over, and after the wind shield in one connecting cylinder is controlled to be opened, the wind shield in the other connecting cylinder can be closed, so that the wind supply of the main fan and the auxiliary fan to the tunneling working surface can be completed;
2. the fan blades in the air duct can be controlled to rotate outside the air duct by the aid of the wind lifting mechanism, so that the transmission strength of wind in the air duct can be improved, wind can smoothly reach deep parts of a mine, and normal wind supply is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the blower switching mechanism of the present invention;
FIG. 3 is a front cross-sectional view of the housing of the present invention;
fig. 4 is a schematic view of the exploded structure of the wind power lifting mechanism of the present invention.
In the figure: 1. the air supply device comprises a mounting seat, 2, a main fan, 3, an auxiliary fan, 4, a conversion tee joint, 5, an air supply conversion mechanism, 51, a connecting cylinder, 52, an air conveying pipeline, 53, a first rotating shaft, 54, a wind shield, 55, a shell, 56, a gear, 57, a rack, 58, a sliding groove, 59, a sliding block, 510, an air cylinder, 6, an air cylinder, 7, a wind power lifting mechanism, 71, a strip-shaped shell, 72, a second rotating shaft, 73, a motor, 74, a belt pulley, 75, a belt, 76 and fan blades.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a two fan double dynamical source local ventilation tunnelling working face continuous ventilation device, includes: mount pad 1, main fan 2, the aileron 3, conversion tee bend 4, air supply shifter 5, dryer 6 and wind-force hoist mechanism 7, main fan 2 is fixed to be set up in top one side of mount pad 1, the fixed top that sets up at mount pad 1 of aileron 3, aileron 3 is pnematic forced axial compressor auxiliary ventilating fan, conversion tee bend 4 is fixed to be set up in top one side of mount pad 1, air supply shifter 5 sets up in one side of conversion tee bend 4, dryer 6 is spiro union mutually with one side of conversion tee bend 4, wind-force hoist mechanism 7 sets up the outer wall at dryer 6.
Preferably, the air-blowing switching mechanism 5 further includes: the air-handling device comprises connecting cylinders 51, air delivery pipelines 52, a first rotating shaft 53 and air deflectors 54, wherein the connecting cylinders 51 are fixedly arranged on one side of the conversion tee joint 4, the number of the connecting cylinders 51 is two, the air outlets of the main fan 2 and the auxiliary fan 3 are both connected with the air delivery pipelines 52 through screws, and two air delivery pipes 52 are respectively connected with one end of one connecting cylinder 51 by screws, the main fan 2 and the auxiliary fan 3 can deliver air into the connecting cylinder 51 through the air delivery pipes 52, the first rotating shaft 53 is rotatably arranged in the inner cavity of the connecting cylinder 51 through a bearing along the front-back direction, the inner ring of the bearing is in interference fit with the outer wall of the first rotating shaft 53, and the outer ring of the bearing is fixedly arranged on the outer wall of the connecting cylinder 51, the wind shield 54 is sleeved with the outer wall of the first rotating shaft 53, and the wind shield 54 is inserted in the inner cavity of the connecting cylinder 51, the wind shield 54 can completely block the inner cavity of the connecting cylinder 51, and the inner cavity of the connecting cylinder 51 can be opened to the maximum after rotating 90 degrees.
Preferably, the air-blowing switching mechanism 5 further includes: the gear rack type air conditioner comprises a shell 55, a gear 56, a rack 57, a sliding chute 58, a sliding block 59 and an air cylinder 510, wherein the shell 55 is fixedly arranged at the rear side of one connecting cylinder 51, one end of a rotating shaft 53 extends into an inner cavity of the shell 55 and is in key connection with the gear 56, the sliding chute 58 is formed in the bottom end of the inner cavity of the shell 55 in the left-right direction, the sliding block 59 is inserted into the inner cavity of the sliding chute 58, the rack 57 is fixedly arranged at the top end of the sliding block 59, the inner cavity of the sliding chute 58 is in a dovetail groove shape, the inner cavities of the sliding chutes 59 and the sliding chutes 58 are in adaptive insertion, so that the rack 57 can stably move, the rack 57 is meshed with the outer wall of the gear 56, the rack 57 can stir the gear 56 to rotate when moving, the air cylinder 510 is fixedly arranged at one side of the shell 55, one end of the air cylinder 510 extends into the inner cavity of the shell 55 and is fixedly connected with one end of the rack 57, the air cylinder 510 is in the prior art, and the air cylinder 510 can push the rack 57 to move.
Preferably, the wind deflectors 54 are circular, and the two wind deflectors 54 are vertically staggered by 90 degrees, so that when one wind deflector 54 closes the connecting cylinder 51, the other wind deflector 54 completely opens the inner cavity of the connecting cylinder 51.
Preferably, the wind-force lifting mechanism 7 further comprises: the air duct comprises a strip-shaped shell 71, a second rotating shaft 72, a motor 73, belt pulleys 74, a belt 75 and fan blades 76, wherein the strip-shaped shell 71 is fixedly arranged at the bottom end of the outer wall of the air duct 6, the top end of the strip-shaped shell 71 is located in the air duct 6, the second rotating shaft 72 is rotatably arranged on one side of the inner cavity of the strip-shaped shell 71 through a bearing, the motor 73 is fixedly arranged at the bottom end of one side of the strip-shaped shell 71, the belt pulleys 74 are fixedly arranged at the output end of the motor 73 and the outer wall of the second rotating shaft 72, the motor 73 is in the prior art, the motor 73 can drive one of the belt pulleys 74 to rotate clockwise around the axis, the motor model conforming to the scheme can be used, the belt 75 is in matched and sleeved with the outer walls of the two belt pulleys 74, and one end of the second rotating shaft 72 extends out of one side of the strip-shaped shell 71 and is fixedly provided with the fan blades 76.
Preferably, the fan blade 76 is located on the left side of the bar-shaped casing 71, and the fan blade 76 is an axial flow fan blade, which can enhance the transportation of the wind in the wind duct 6 in the same direction.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, specific connection and control sequence.
The method comprises the following steps: when the auxiliary fan 3 is connected with an original fan system for use, when an original local fan main fan 2 is normally used, the auxiliary fan 3 is in a static closed state, the auxiliary fan 3 does not work at the moment, when the local fan main fan 2 stops supplying air, the auxiliary fan 3 transmits a signal to a mining explosion-proof and intrinsic safety type PLC control box (hereinafter referred to as PLC) trigger signal through a main fan 2 power supply control sensor, the PLC controls a pneumatic valve in a special control box (hereinafter referred to as the control box) for the mining automatic axial flow pneumatic fan to be automatically opened, so that the auxiliary fan 3 is started, the auxiliary fan 3 is in seamless connection with the original local fan main fan, normal air supply of an underground tunneling surface is ensured, an external power supply for controlling the air cylinder 510 and the motor 73 is switched on, the air cylinder 510 is started, the air cylinder 510 can push the rack 57 to stably move to one side under the limitation of the chute 58 and the sliding block 59, the rack 57 can push the gear 56 when moving, the gear 56 drives the first rotating shaft 53 to rotate anticlockwise around the axis of the first rotating shaft 53, the first rotating shaft 53 can drive the wind shield 54 to rotate, the inner cavity of one connecting cylinder 51 can be closed after the first rotating shaft rotates to 90 degrees, the other connecting cylinder 51 is opened, and therefore perfect switching of air supply of the main and auxiliary machines can be completed, operation is simple, use of electric elements is reduced, and accordingly probability of failure occurrence is reduced;
step two: wind enters the connecting cylinder 51 through the wind conveying pipeline 52 and enters the wind cylinder 6 through the conversion tee joint 4, so that the wind can be conveyed into a mine;
step three: control motor 73 starts, motor 73 can drive one of them belt pulley 74 around self axis clockwise rotation, in order to drive belt 75 and transmit, thereby can make another belt pulley 74 around self axis clockwise rotation, so that second pivot 72 drives flabellum 76 clockwise rotation, thereby can extract the wind in dryer 6, and carry to one side of dryer 6, can improve the conveying strength of wind, so that the wind in dryer 6 can carry far distance far, in order to ensure that the mine depths can normally supply wind, be favorable to extensively promoting.
In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "front side", "rear side", "outer wall", "inner cavity", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "telescoped," "inserted," "threaded," "secured," "interference fit," "disposed," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a two fan double dynamical source local ventilation tunnelling working face continuous ventilation unit which characterized in that includes:
a mounting seat (1);
the main fan (2) is fixedly arranged on one side of the top end of the mounting seat (1);
the auxiliary fan (3) is fixedly arranged at the top end of the mounting seat (1);
the conversion tee joint (4) is fixedly arranged on one side of the top end of the mounting seat (1);
the air supply switching mechanism (5) is arranged on one side of the switching tee joint (4);
the air duct (6) is in threaded connection with one side of the conversion tee joint (4);
and the wind power lifting mechanism (7) is arranged on the outer wall of the air duct (6).
2. The double-fan double-power-source local ventilation continuous tunneling working surface ventilation device of claim 1, characterized in that: the air blow switching mechanism (5) includes:
the connecting cylinders (51) are fixedly arranged on one side of the conversion tee joint (4), and the number of the connecting cylinders (51) is two;
the air outlets of the main fan (2) and the auxiliary fan (3) are connected with the air delivery pipelines (52) through screws, and the two air delivery pipelines (52) are respectively in screw connection with one end of one connecting cylinder (51);
the first rotating shaft (53) is rotatably arranged in an inner cavity of the connecting cylinder (51) through a bearing along the front-back direction, an inner ring of the bearing is in interference fit with an outer wall of the first rotating shaft (53), and an outer ring of the bearing is fixedly arranged on the outer wall of the connecting cylinder (51);
and the wind shield (54) is sleeved with the outer wall of the first rotating shaft (53), and the wind shield (54) is in adaptive insertion connection with the inner cavity of the connecting cylinder (51).
3. The double-fan double-power-source local ventilation continuous tunneling working surface ventilation device of claim 2, characterized in that: the air supply switching mechanism (5) further comprises:
a housing (55) fixedly disposed at a rear side of one of the connecting cylinders (51);
one end of the rotating shaft (53) extends into the inner cavity of the shell (55) and is connected with the gear (56) in a key mode;
the bottom end of the inner cavity of the shell (55) is provided with a sliding groove (58) along the left-right direction, the inner cavity of the sliding groove (58) is inserted with a sliding block (59), the top end of the sliding block (59) is fixedly provided with a rack (57), and the rack (57) is meshed with the outer wall of the gear (56);
the air cylinder (510) is fixedly arranged on one side of the shell (55), and one end of the air cylinder (510) extends into the inner cavity of the shell (55) and is fixedly connected with one end of the rack (57).
4. The double-fan double-power-source local ventilation continuous tunneling working surface ventilation device of claim 2, characterized in that: the wind deflectors (54) are circular, and the two wind deflectors (54) are vertically staggered at 90 degrees.
5. The double-fan double-power-source local ventilation continuous tunneling working surface ventilation device of claim 1, characterized in that: the wind-powered lifting mechanism (7) comprises:
the air duct structure comprises a bar-shaped shell (71), wherein the bar-shaped shell (71) is fixedly arranged at the bottom end of the outer wall of the air duct (6), and the top end of the bar-shaped shell (71) is positioned in the air duct (6);
the second rotating shaft (72) is rotatably arranged on one side of the inner cavity of the strip-shaped shell (71) through a bearing;
the motor (73) is fixedly arranged at the bottom end of one side of the strip-shaped shell (71);
the belt pulley (74) is fixedly arranged on the output end of the motor (73) and the outer wall of the second rotating shaft (72);
the belt (75) is sleeved with the outer walls of the two belt pulleys (74) in a matching way;
one end of the second rotating shaft (72) extends out of one side of the strip-shaped shell (71) and is fixedly provided with the fan blade (76).
6. The double-fan double-power-source local ventilation continuous tunneling working surface ventilation device of claim 5, characterized in that: the fan blade (76) is positioned on the left side of the strip-shaped shell (71), the fan blade (76) is an axial flow fan blade, and the wind direction conveyed in the wind barrel (6) can be conveyed in the same direction in an enhanced mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121997565.3U CN215949544U (en) | 2021-08-24 | 2021-08-24 | Double-fan double-power-source continuous ventilation device for local ventilation tunneling working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121997565.3U CN215949544U (en) | 2021-08-24 | 2021-08-24 | Double-fan double-power-source continuous ventilation device for local ventilation tunneling working face |
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| Publication Number | Publication Date |
|---|---|
| CN215949544U true CN215949544U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121997565.3U Expired - Fee Related CN215949544U (en) | 2021-08-24 | 2021-08-24 | Double-fan double-power-source continuous ventilation device for local ventilation tunneling working face |
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| Country | Link |
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| CN (1) | CN215949544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116878010A (en) * | 2023-06-01 | 2023-10-13 | 江苏大格环境科技有限公司 | Tail gas treatment device and method for heat accumulating type incinerator |
-
2021
- 2021-08-24 CN CN202121997565.3U patent/CN215949544U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116878010A (en) * | 2023-06-01 | 2023-10-13 | 江苏大格环境科技有限公司 | Tail gas treatment device and method for heat accumulating type incinerator |
| CN116878010B (en) * | 2023-06-01 | 2024-01-16 | 江苏大格环境科技有限公司 | Tail gas treatment device and method for heat accumulating type incinerator |
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Granted publication date: 20220304 |
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