CN114183188B - Coal mine gas transfinite ventilation unit for coal mining - Google Patents
Coal mine gas transfinite ventilation unit for coal mining Download PDFInfo
- Publication number
- CN114183188B CN114183188B CN202210139451.8A CN202210139451A CN114183188B CN 114183188 B CN114183188 B CN 114183188B CN 202210139451 A CN202210139451 A CN 202210139451A CN 114183188 B CN114183188 B CN 114183188B
- Authority
- CN
- China
- Prior art keywords
- pipe
- mounting
- gear
- ventilation
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 72
- 239000003245 coal Substances 0.000 title claims abstract description 31
- 238000005065 mining Methods 0.000 title claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 abstract description 20
- 239000007789 gas Substances 0.000 description 27
- 238000000605 extraction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- 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)
- Ventilation (AREA)
Abstract
The invention provides a coal mine gas transfinite ventilation device for coal mining, which relates to the technical field of ventilation devices and comprises a movable frame; the movable frame is provided with a mounting frame in a sliding manner, and the top end of the movable frame is provided with a connecting air pipe; the mounting frame is provided with a mounting base in a sliding manner, and the mounting base is provided with a ventilation pipe; the mounting frame is provided with a driving motor, the mounting frame is rotatably provided with a first rod body and a second rod body, and the mounting frame is slidably provided with a driving rack; the top end of the ventilation cavity plate is provided with a gas detector; according to the invention, the installation base is matched with the driving rack, and the first rod body and the second rod body have the functions of realizing the fan-shaped reciprocating motion of the ventilation pipe in the coal mine area and simultaneously carrying out the reciprocating motion with the vertical height, so that the problem that the ventilation efficiency of the device for extracting gas in the coal mine is poor due to the single fixed position of the ventilation pipe is solved.
Description
Technical Field
The invention relates to the technical field of ventilation devices, in particular to a coal mine gas transfinite ventilation device for coal mining.
Background
The gas is formed by decomposing cellulose and organic matters under the action of anaerobic bacteria at the initial stage of stacking ancient plants into coal; in a high-temperature and high-pressure environment, gas is continuously generated due to physical and chemical actions while coal is formed; the gas is colorless and tasteless, is insoluble in water, cannot support combustion and maintain respiration, can suffocate people due to oxygen deficiency when reaching a certain concentration, and can be combusted or exploded.
However, as for the conventional ventilation device, the ventilation pipe in the coal mine is fixedly installed, and the ventilation pipe has a single position, so that the ventilation efficiency of the ventilation pipe on gas in the coal mine is poor, the overall ventilation effect of the device is poor, and safety accidents are very easy to occur after the gas concentration exceeds the limit.
Disclosure of Invention
In view of the above, the invention provides a coal mine gas overrun ventilation device for coal mining, which has a fixing frame, facilitates the fixing and installation of the fixing frame, facilitates the connection of the fixing frame with a ventilation pipe in a coal mine through a double-way pipe, and can extract gas in the coal mine and convey air into the coal mine so as to reduce the concentration of the gas.
The invention provides a coal mine gas transfinite ventilation device for coal mining, which specifically comprises: a movable frame; the movable frame is provided with a mounting frame in a sliding manner, the top end of the movable frame is provided with a connecting air pipe, two ends of the connecting air pipe are respectively provided with an air circulating pipe, the mounting frame is provided with a mounting pipe, and the connecting air pipe is connected to the mounting pipe of the mounting frame through a double-way pipe; the mounting frame is provided with a mounting base in a sliding manner, the mounting base is provided with a ventilation pipe, the top end of the ventilation pipe is connected with the bottom end of the connecting air pipe, the front end of the ventilation pipe is provided with a ventilation cavity plate, and the air circulation pipe and the ventilation pipe are internally provided with fans respectively; the mounting frame is provided with a driving motor, the mounting frame is rotatably provided with a first rod body and a second rod body, and the mounting frame is slidably provided with a driving rack; and a gas detector is installed at the top end of the ventilation cavity plate and is connected with the driving motor and the fan through a controller.
Optionally, the two ends of the moving frame are respectively provided with a long slide bar, the two sides of the mounting frame are respectively provided with a slide hole, and the slide holes on the two sides of the mounting frame are respectively connected to the long slide bars at the two ends of the moving frame in a sliding manner.
Optionally, an arc-shaped groove is formed in the mounting frame, a sliding shaft is arranged at the bottom end of the mounting base, and the sliding shaft at the bottom end of the mounting base is slidably mounted on the arc-shaped groove of the mounting frame.
Optionally, the fixing frame is provided with three fixing holes, anchor bolts are installed in the fixing holes, the fixing frame is communicated with an air duct cavity through an installation pipe, the air duct cavity comprises an air inlet cavity and an air exhaust cavity, the air inlet cavity is communicated and connected with the air flow through pipe through a pipeline of the double-way pipe, and the air exhaust cavity is communicated and connected with the ventilation pipe through another pipeline of the double-way pipe.
Optionally, the right end of the installation base is provided with a connecting arm, a fourth gear is installed on an outer end fixing table of the connecting arm, and a rotating shaft of the fourth gear is rotatably connected to the installation frame.
Optionally, a first gear is arranged on the first rod body, and the first gear is in meshed transmission connection with a fourth gear at the right end of the mounting base.
Optionally, a threaded sleeve is fixedly mounted at the front end of the moving frame, the bottom end of the second rod body is a threaded rod, and the threaded rod at the bottom end of the second rod body is threadedly mounted on the threaded sleeve at the front end of the moving frame.
Optionally, a guide groove body is formed in the mounting frame, a driving rack is connected in the guide groove body in a sliding mode, and the driving rack is in meshed transmission connection with the first gear.
Optionally, a second gear is arranged at the bottom end of the first rod body, a third gear is arranged on the second rod body, and the second gear at the bottom end of the first rod body is in meshed transmission connection with the third gear on the second rod body.
Optionally, a rotating rod is mounted on a transmission shaft of the driving motor in a driving manner, a round shaft is arranged at the outer end of the rotating rod, a connecting groove body is longitudinally arranged at the outer end of the driving rack, and the round shaft at the outer end of the rotating rod is slidably connected to the connecting groove body at the outer end of the driving rack.
Advantageous effects
According to the ventilation device of each embodiment of the invention, compared with the traditional ventilation device, the ventilation pipe can do fan-shaped reciprocating motion and also do reciprocating motion with the vertical height, so that the efficiency of the device for extracting gas in a coal mine is further improved, the problem of poor ventilation effect of the ventilation pipe on the gas in the coal mine due to a single fixed position is avoided, and the occurrence of safety accidents is reduced.
In addition, there is a driving rack through sliding connection in the guide groove body, the round shaft of the outer end of the rotating rod is connected to the connecting groove body of the outer end of the driving rack in a sliding mode, the driving motor drives the round shaft of the outer end of the rotating rod to rotate, so that the driving rack is driven to perform reciprocating linear motion, and the driving rack is connected with the first gear in a meshing transmission mode, so that the first rod body is enabled to perform reciprocating rotation.
In addition, slidable mounting is on the arc wall of mounting bracket through the sliding shaft slidable mounting of installation base bottom, and the fourth gear rotation of linking arm outer end is connected on the mounting bracket, and first gear is connected with the fourth gear engagement transmission of installation base right-hand member to when making the first body of rod carry out reciprocating type pivoted, drive the ventilation pipe on the installation base and carry out sectorial reciprocating motion, increased the ventilation pipe and to the gas's in the colliery extraction area, improved this device in the colliery extraction gas's efficiency.
In addition, second gear through first body of rod bottom is connected with the third gear engagement transmission on the second body of rod, thereby first body of rod drives the second body of rod and carries out reciprocating type rotation, the slide opening difference sliding connection of mounting bracket both sides is on the long slide bar at carriage release lever both ends, the second gear of first body of rod bottom is connected with the third gear engagement transmission on the second body of rod, thereby when making the second body of rod carry out reciprocating type pivoted, the ventilation pipe that drives on the mounting bracket carries out the reciprocating motion of formula from top to bottom, make the ventilation pipe on the installation base carry out the reciprocating motion of upper and lower height when carrying out sectorial reciprocating motion, the efficiency of this device to the extraction of gas in the colliery has further been improved, the emergence of incident has been reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic view of a ventilation device according to an embodiment of the invention;
FIG. 2 shows a right side schematic axial view of a ventilation device according to an embodiment of the invention;
FIG. 3 shows a schematic view of a mount of a ventilation device according to an embodiment of the invention;
fig. 4 shows a schematic view of the installation of a ventilation tube of a ventilation device according to an embodiment of the invention;
FIG. 5 shows a schematic view of a mounting bracket of a ventilation device according to an embodiment of the invention;
FIG. 6 shows a schematic view of the mounting of a mounting base of a ventilation device according to an embodiment of the invention;
FIG. 7 illustrates a schematic view of the mounting within a mounting bracket of a ventilation device according to an embodiment of the invention;
fig. 8 shows a schematic view of the mounting of a second rod of a ventilation device according to an embodiment of the invention;
FIG. 9 shows a schematic view of the mounting of the drive rack of the ventilation device according to an embodiment of the invention;
fig. 10 shows a schematic view of the installation of a mounting bracket of a ventilation device according to an embodiment of the present invention.
List of reference numerals
1. A movable frame; 101. a long slide bar; 102. a threaded sleeve; 103. connecting an air pipe; 1031. an air circulation pipe; 2. a mounting frame; 201. a slide hole; 202. an arc-shaped slot; 203. a drive motor; 2031. rotating the rod; 2032. a circular shaft; 204. a guide groove body; 205. a first rod body; 2051. a first gear; 2052. a second gear; 206. a second rod body; 2061. a third gear; 2062. a threaded rod; 207. a drive rack; 2071. connecting the trough bodies; 3. installing a base; 301. a sliding shaft; 302. a connecting arm; 303. a fourth gear; 4. a vent pipe; 401. a ventilation cavity plate; 4011. a gas detector; 5. a fixed mount; 501. a fixing hole; 502. installing a pipe; 503. an air duct cavity; 5031. an air inlet cavity; 5032. and an exhaust cavity.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
The first embodiment is as follows: please refer to fig. 1 to fig. 10: the invention provides a coal mine gas transfinite ventilation device for coal mining, which comprises: a moving frame 1; a mounting rack 2 is slidably mounted on the movable rack 1, a connecting air pipe 103 is arranged at the top end of the movable rack 1, two ends of the connecting air pipe 103 are respectively provided with an air circulating pipe 1031, a mounting pipe 502 is arranged on the fixed rack 5, and the connecting air pipe 103 is connected to the mounting pipe 502 of the fixed rack 5 through a double-pass pipe; a mounting base 3 is slidably mounted on the mounting frame 2, a ventilation pipe 4 is mounted on the mounting base 3, the top end of the ventilation pipe 4 is connected with the bottom end of the connecting air pipe 103, a ventilation cavity plate 401 is arranged at the front end of the ventilation pipe 4, and fans are respectively mounted in the air circulating pipe 1031 and the ventilation pipe 4; a driving motor 203 is installed on the mounting frame 2, a first rod 205 and a second rod 206 are rotatably installed on the mounting frame 2, and a driving rack 207 is slidably installed on the mounting frame 2; a gas detector 4011 is installed on the top end of the ventilation chamber plate 401, and the gas detector 4011 is connected with the driving motor 203 and the fan through the controller.
In addition, according to the embodiment of the present invention, as shown in fig. 9, a guide slot 204 is formed on the mounting bracket 2, a driving rack 207 is slidably connected in the guide slot 204, and the driving rack 207 is engaged and transmission-connected with the first gear 2051.
In addition, according to the embodiment of the present invention, a rotating rod 2031 is drivingly mounted on the transmission shaft of the driving motor 203, a circular shaft 2032 is disposed at the outer end of the rotating rod 2031, a connecting groove 2071 is longitudinally disposed at the outer end of the driving rack 207, and the circular shaft 2032 at the outer end of the rotating rod 2031 is slidably connected to the connecting groove 2071 at the outer end of the driving rack 207; specifically, there is a driving rack 207 slidably connected in the guide slot 204, the circular shaft 2032 of the outer end of the rotating rod 2031 is slidably connected to the connecting slot 2071 of the outer end of the driving rack 207, the driving motor 203 drives the circular shaft 2032 of the outer end of the rotating rod 2031 to rotate, so as to drive the driving rack 207 to perform reciprocating linear motion, the driving rack 207 is engaged and driven with the first gear 2051, and thus, the first rod 205 is made to perform reciprocating rotation.
In addition, according to the embodiment of the present invention, as shown in fig. 6, an arc-shaped groove 202 is formed on the mounting frame 2, a sliding shaft 301 is disposed at the bottom end of the mounting base 3, and the sliding shaft 301 at the bottom end of the mounting base 3 is slidably mounted on the arc-shaped groove 202 of the mounting frame 2.
In addition, according to the embodiment of the present invention, as shown in fig. 4, a connecting arm 302 is provided at the right end of the mounting base 3, a fourth gear 303 is mounted on the outer end fixing platform of the connecting arm 302, and the rotating shaft of the fourth gear 303 is rotatably connected to the mounting frame 2.
In addition, according to the embodiment of the present invention, as shown in fig. 7, a first gear 2051 is disposed on the first rod 205, and the first gear 2051 is in meshing transmission connection with a fourth gear 303 at the right end of the mounting base 3; concrete function, the sliding shaft 301 slidable mounting of installation base 3 bottom is on the arc wall 202 of mounting bracket 2, the fourth gear 303 of linking arm 302 outer end rotates and connects on mounting bracket 2, first gear 2051 is connected with the fourth gear 303 meshing transmission of installation base 3 right-hand member, thereby when making first body of rod 205 carry out reciprocating type pivoted, it carries out sectorial reciprocating motion to drive ventilation pipe 4 on the installation base 3, ventilation pipe 4 has been increaseed and gas's extraction area in the colliery, the efficiency of this device extraction gas in the colliery has been improved.
In addition, according to the embodiment of the present invention, as shown in fig. 10, two ends of the moving frame 1 are respectively provided with an elongated sliding rod 101, two sides of the mounting frame 2 are respectively provided with a sliding hole 201, and the sliding holes 201 at two sides of the mounting frame 2 are respectively slidably connected to the elongated sliding rods 101 at two ends of the moving frame 1.
In addition, according to the embodiment of the present invention, a second gear 2052 is disposed at the bottom end of the first rod 205, a third gear 2061 is disposed on the second rod 206, and the second gear 2052 at the bottom end of the first rod 205 is in meshing transmission connection with the third gear 2061 on the second rod 206.
In addition, according to the embodiment of the present invention, as shown in fig. 8, a threaded sleeve 102 is fixedly installed at the front end of the moving frame 1, a threaded rod 2062 is installed at the bottom end of the second rod 206, and the threaded rod 2062 at the bottom end of the second rod 206 is threadedly installed on the threaded sleeve 102 at the front end of the moving frame 1; the concrete effect, the second gear 2052 of first body of rod 205 bottom is connected with the meshing transmission of third gear 2061 on the second body of rod 206, thereby first body of rod 205 drives the second body of rod 206 and carries out reciprocating type rotation, the slide opening 201 of mounting bracket 2 both sides is sliding connection respectively on the long slide bar 101 at removal frame 1 both ends, the second gear 2052 of first body of rod 205 bottom is connected with the meshing transmission of third gear 2061 on the second body of rod 206, thereby make the second body of rod 206 carry out reciprocating type pivoted simultaneously, drive ventilation pipe 4 on the mounting bracket 2 and carry out the reciprocating motion of following formula from top to bottom, make ventilation pipe 4 on the installation base 3 carry out the reciprocating motion of height from top to bottom when carrying out sectorial reciprocating motion, further improved the efficiency of this device to interior gas extraction, the emergence of incident has been reduced.
In addition, according to the embodiment of the present invention, as shown in fig. 3, three fixing holes 501 are formed in the fixing frame 5, anchor bolts are installed in the fixing holes 501, the fixing frame 5 is connected to an air duct chamber 503 through a mounting pipe 502, the air duct chamber 503 includes an air inlet chamber 5031 and an air outlet chamber 5032, the air inlet chamber 5031 is connected to an air vent pipe 1031 through a pipe of a double-pipe, and the air outlet chamber 5032 is connected to a vent pipe 4 through another pipe of the double-pipe.
Example two:
an arc wall 202 has been seted up on mounting bracket 2, the bottom of installation base 3 is equipped with a sliding shaft 301, the sliding shaft 301 slidable mounting of installation base 3 bottom is on the arc wall 202 of mounting bracket 2, the ball is installed to the joint in the arc wall 202 of mounting bracket 2, the sliding shaft 301 surface and the ball of installation base 3 bottom contact, the gliding ride comfort of sliding shaft 301 and the arc wall 202 of mounting bracket 2 on this device installation base 3 has further been improved.
Example three:
a spring telescopic link is respectively installed to 2 bottom both sides of mounting bracket, and spring telescopic link is including the telescope tube, elastic component and telescopic link, and telescope tube top fixed mounting is in the bottom of mounting bracket 2, and telescopic link bottom fixed mounting is on removing frame 1, and telescopic link slidable mounting is inside the telescope tube, installs an elastic component in the telescope tube, and the outer end of elastic component contacts with the outer end of telescopic link, has further improved the support stability that this device mounting bracket 2 removed.
The specific use mode and function of the embodiment are as follows: in the invention, a driving rack 207 is slidably connected in the guide slot body 204, the circular shaft 2032 at the outer end of the rotating rod 2031 is slidably connected on the connecting slot body 2071 at the outer end of the driving rack 207, the driving motor 203 drives the circular shaft 2032 at the outer end of the rotating rod 2031 to rotate, so as to drive the driving rack 207 to perform reciprocating linear motion, and the driving rack 207 is in meshing transmission connection with the first gear 2051, so as to enable the first rod body 205 to perform reciprocating rotation; the sliding shaft 301 at the bottom end of the mounting base 3 is slidably mounted on the arc-shaped groove 202 of the mounting frame 2, the fourth gear 303 at the outer end of the connecting arm 302 is rotatably connected to the mounting frame 2, and the first gear 2051 is in meshing transmission connection with the fourth gear 303 at the right end of the mounting base 3, so that the first rod body 205 is driven to perform reciprocating motion while performing reciprocating motion, the ventilation pipe 4 on the mounting base 3 is driven to perform sector reciprocating motion, the extraction area of the ventilation pipe 4 on gas in a coal mine is enlarged, and the efficiency of the device for extracting gas in the coal mine is improved; second gear 2052 at first body of rod 205 bottom is connected with the meshing transmission of third gear 2061 on the second body of rod 206, thereby first body of rod 205 drives the second body of rod 206 and carries out reciprocating type rotation, the slide opening 201 of mounting bracket 2 both sides is sliding connection respectively on the long slide bar 101 at removal frame 1 both ends, second gear 2052 at first body of rod 205 bottom is connected with the meshing transmission of third gear 2061 on the second body of rod 206, thereby make the second body of rod 206 carry out reciprocating type rotation simultaneously, it carries out the reciprocating motion of formula from top to bottom to drive ventilation pipe 4 on the mounting bracket 2, make ventilation pipe 4 on the installation base 3 carry out the reciprocating motion of upper and lower height when carrying out sectorial reciprocating motion, the efficiency of gas extraction in this device to the colliery has further been improved, the emergence of incident has been reduced.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (2)
1. A coal mine gas over-limit ventilation device for coal mining is characterized by comprising a movable frame; the air conditioner is characterized in that a mounting frame is slidably mounted on the moving frame, a connecting air pipe is arranged at the top end of the moving frame, two ends of the connecting air pipe are respectively provided with an air circulating pipe, a mounting pipe is arranged on the mounting frame, and the connecting air pipe is connected to the mounting pipe of the mounting frame through a double-way pipe; the mounting frame is provided with a mounting base in a sliding manner, the mounting base is provided with a ventilation pipe, the top end of the ventilation pipe is connected with the bottom end of the connecting air pipe, the front end of the ventilation pipe is provided with a ventilation cavity plate, and the air circulation pipe and the ventilation pipe are internally provided with fans respectively; the mounting rack is provided with a driving motor, a first rod body and a second rod body are rotatably arranged on the mounting rack, and a driving rack is slidably arranged on the mounting rack; the top end of the ventilation cavity plate is provided with a gas detector, and the gas detector is connected with the driving motor and the fan through a controller;
a guide groove body is formed in the mounting frame, a driving rack is connected in the guide groove body in a sliding mode, a first gear is arranged on the first rod body, and the driving rack is in meshed transmission connection with the first gear;
a rotating rod is arranged on a transmission shaft of the driving motor in a driving manner, a round shaft is arranged at the outer end of the rotating rod, a connecting groove body is longitudinally arranged at the outer end of the driving rack, and the round shaft at the outer end of the rotating rod is connected to the connecting groove body at the outer end of the driving rack in a sliding manner;
an arc-shaped groove is formed in the mounting frame, a sliding shaft is arranged at the bottom end of the mounting base, and the sliding shaft at the bottom end of the mounting base is slidably mounted on the arc-shaped groove of the mounting frame;
a connecting arm is arranged at the right end of the mounting base, a fourth gear is mounted on an outer end fixing table of the connecting arm, and a rotating shaft of the fourth gear is rotatably connected to the mounting frame; the first gear is in meshed transmission connection with a fourth gear at the right end of the mounting base;
the two ends of the moving frame are respectively provided with a long sliding rod, the two sides of the mounting frame are respectively provided with a sliding hole, and the sliding holes on the two sides of the mounting frame are respectively connected to the long sliding rods on the two ends of the moving frame in a sliding manner;
the bottom end of the first rod body is provided with a second gear, the second rod body is provided with a third gear, and the second gear at the bottom end of the first rod body is in meshing transmission connection with the third gear on the second rod body; the front end of the moving frame is fixedly provided with a threaded sleeve, the bottom end of the second rod body is a threaded rod, and the threaded rod at the bottom end of the second rod body is arranged on the threaded sleeve at the front end of the moving frame in a threaded manner.
2. The coal mine gas overrun ventilation device for coal mining as claimed in claim 1, wherein: the air inlet cavity is communicated and connected with the air flow through pipe through a pipeline of the double-way pipe, and the air exhaust cavity is communicated and connected with the ventilation pipe through another pipeline of the double-way pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139451.8A CN114183188B (en) | 2022-02-16 | 2022-02-16 | Coal mine gas transfinite ventilation unit for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139451.8A CN114183188B (en) | 2022-02-16 | 2022-02-16 | Coal mine gas transfinite ventilation unit for coal mining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114183188A CN114183188A (en) | 2022-03-15 |
| CN114183188B true CN114183188B (en) | 2022-06-03 |
Family
ID=80546016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210139451.8A Active CN114183188B (en) | 2022-02-16 | 2022-02-16 | Coal mine gas transfinite ventilation unit for coal mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114183188B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080164B (en) * | 2018-01-24 | 2020-07-10 | 福州宏毓建材有限公司 | Dust fall equipment for tunnel construction |
| CN211623483U (en) * | 2020-01-17 | 2020-10-02 | 河南工业和信息化职业学院 | Spray dust keeper for mining |
| CN111379591A (en) * | 2020-03-04 | 2020-07-07 | 王公达 | Coal mine ventilation and gas concentration monitoring system |
| CN212614855U (en) * | 2020-04-20 | 2021-02-26 | 赵长海 | Ventilation and dust removal device for strip mine |
| CN212614827U (en) * | 2020-06-05 | 2021-02-26 | 中交路桥建设有限公司 | High-gas tunnel ventilation device |
| CN213088298U (en) * | 2020-09-04 | 2021-04-30 | 淮南职业技术学院 | Ventilation device for preventing coal mine gas from exceeding limit |
-
2022
- 2022-02-16 CN CN202210139451.8A patent/CN114183188B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114183188A (en) | 2022-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212744395U (en) | Axial fan convenient to adjust | |
| CN111006289B (en) | Fume exhaust fan | |
| CN114183188B (en) | Coal mine gas transfinite ventilation unit for coal mining | |
| CN205505847U (en) | Dual drive formula condenser online cleaning robot device | |
| CN111006272B (en) | Fume exhaust fan | |
| CN202692203U (en) | Telescopic smoke exhaust ventilator | |
| CN111006276A (en) | Fume exhaust fan | |
| CN107477483B (en) | Emergency lighting lamp with air draft mechanism | |
| CN112879982A (en) | Range hood based on behavior and motion recognition and oil smoke prediction in advance | |
| CN216518101U (en) | Ventilation and extraction device with gas concentration detection function for coal mine | |
| CN202675405U (en) | Self elevation integration kitchen range | |
| CN108709210B (en) | Double-air-duct fume-discharging fume-collecting hood hidden fume extractor | |
| CN112594832A (en) | Energy-saving circumferential ventilation fresh air system | |
| CN109099547A (en) | New forms of energy wind energy new trend device and new trend system thereof | |
| CN212299185U (en) | Door plate driving device and cabinet air conditioner | |
| CN208606246U (en) | A kind of oil-collecting smoke chamber disengaging hidden kitchen ventilator | |
| CN112076580A (en) | Indoor waste gas circulation processing system | |
| CN111156561A (en) | Fume exhaust fan | |
| CN219655677U (en) | Movable underframe for boiler bellows | |
| CN207035265U (en) | A kind of smoke deflector elevating mechanism of range hood | |
| CN216095471U (en) | Ventilation cabinet for chemical laboratory | |
| CN214321245U (en) | Environment-friendly gas purification equipment for chemical plant | |
| CN204530972U (en) | Movable pump station system | |
| CN217002351U (en) | Boiler centrifugal draught fan suitable for industrial and mining large-scale industrial boiler | |
| CN203757922U (en) | Air conditioner fan capable of enabling air outlet to be lifted with help of air flue nesting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |