CN213088298U - Ventilation device for preventing coal mine gas from exceeding limit - Google Patents
Ventilation device for preventing coal mine gas from exceeding limit Download PDFInfo
- Publication number
- CN213088298U CN213088298U CN202021908904.1U CN202021908904U CN213088298U CN 213088298 U CN213088298 U CN 213088298U CN 202021908904 U CN202021908904 U CN 202021908904U CN 213088298 U CN213088298 U CN 213088298U
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- driving motor
- coal mine
- ventilation device
- limit
- air pipe
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Abstract
The utility model discloses a ventilation device for preventing gas in a coal mine from exceeding limit, which relates to the technical field of coal mine ventilation equipment and comprises a support base and an air pipe, wherein a first driving motor is arranged in the air pipe, a blade is installed at the output end of the first driving motor, a first-stage filter screen and a second-stage filter screen are arranged in the air pipe, an adjusting seat is arranged above the support base, a screw rod is arranged in the adjusting seat, a second driving motor is arranged on the upper surface of the support base, a nut is arranged on the surface of the screw rod, a positioning sleeve is fixedly installed above the nut, a positioning rod is arranged in the positioning sleeve, the positioning rod is fixedly connected with a support, the support is connected with a support box body, the driving motor drives a moving blade to rotate, air in the mine is sucked into the air pipe, the first-stage filter screen and the second-stage filter, the position of the air pipe can be adjusted in real time, and the air exchange range is enlarged.
Description
Technical Field
The utility model relates to a colliery ventilation equipment technical field specifically is a ventilation unit who prevents colliery gas transfinite.
Background
Because the gas is flammable and cannot be breathed by human beings, the gas belongs to harmful gas under a mine, when the concentration of the gas in the air reaches 5% -10%, explosion can be caused when the gas meets open fire, and people can be suffocated if the concentration exceeds 30%, so that when the gas is operated under the mine, the setting of a proper gas over-limit value is necessary, and the harm caused by the over-limit cannot be estimated.
Install ventilation equipment in the coal mine usually in order to improve its and outside air's circulation speed, avoid the gas transfinite, current ventilation equipment is mostly fixed structure, is difficult for adjusting the position of tuber pipe, and the air exchange scope is less.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent ventilation unit of colliery gas transfinite to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a ventilation device for preventing gas in a coal mine from exceeding the limit comprises a supporting base and an air pipe, wherein a first driving motor is arranged in the air pipe, blades are fixedly installed at the output end of the first driving motor, a first-stage filter screen and a second-stage filter screen are arranged in the air pipe, an adjusting seat is arranged above the supporting base, a screw rod is arranged in the adjusting seat, the left end of the screw rod extends to the outside of the adjusting seat, the screw rod is rotatably connected with the adjusting seat, a second driving motor is arranged on the left side of the upper surface of the supporting base, the output end of the second driving motor is fixedly connected with an incomplete bevel gear, the left end of the screw rod is symmetrically provided with bevel gears, the incomplete bevel gears are meshed with the intermittent bevel gears on the left side and the right side, the surface of the screw rod is provided with a nut, a positioning, the support right side is through connecting rod fixed connection supporting box, the tuber pipe is installed in the supporting box, locating lever and positioning sleeve sliding connection, the locating lever surface equidistance evenly sets up the screw hole, the positioning sleeve top sets up the dowel.
As a further aspect of the present invention: at least two driving motors I and blades are arranged in the air pipe.
As a further aspect of the present invention: supporting rods are symmetrically arranged on the upper side and the lower side of the first driving motor, and the tail end of one side, far away from the first driving motor, of each supporting rod is fixedly connected with the inner wall of the air pipe.
As a further aspect of the present invention: the left side and the right side of the upper surface of the support base are symmetrically provided with support legs, and one ends, far away from the support base, of the support legs are fixedly connected with the adjusting base.
As a further aspect of the present invention: and a flexible hose is arranged between the air pipes.
As a further aspect of the present invention: the adjusting seat is characterized in that a limiting groove is formed in the upper surface of the adjusting seat, a limiting seat is fixedly installed below the nut, and the limiting seat is connected with the limiting groove in a sliding mode.
As a further aspect of the present invention: fastening screw rods are symmetrically arranged on the upper side and the lower side of the supporting box body, one ends, close to each other, of the fastening screw rods are connected with the arc-shaped clamp, and a handle is fixedly installed at one end, far away from the arc-shaped clamp, of each fastening screw rod.
As a further aspect of the present invention: the upper side and the lower side of the supporting box body are symmetrically provided with brackets.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a prevent ventilation unit that colliery gas transfinites, driving motor drives the blade and rotates, inhales the air in the mine to the tuber pipe in, and one-level filter screen and second grade filter screen purify the dust in the air and filter, and the air after the purification passes through the terminal discharge of tuber pipe, and the nut drives top position sleeve and tuber pipe reciprocating motion about the horizontal direction, can adjust the position of tuber pipe in real time, has increased the air exchange scope.
Drawings
Fig. 1 is a schematic structural diagram of a ventilation device for preventing coal mine gas from exceeding the limit.
Fig. 2 is a schematic structural view of the inside of a wind pipe in a ventilation device for preventing the gas in a coal mine from exceeding the limit.
FIG. 3 is a schematic view of a positioning sleeve in a ventilation unit for preventing coal mine gas overrun.
In the figure: 1-a support base; 2, driving a motor II; 3-supporting legs; 4-incomplete bevel gear; 5-bevel gears; 6-limiting seat; 7-a limiting groove; 8-an adjusting seat; 9-screw rod; 10-a nut; 11-a positioning sleeve; 12-a locating pin; 13-positioning rods; 14-a threaded hole; 15-a support; 16-a blade; 17-supporting the box body; 18-an arc clamp; 19-a scaffold; 20-fastening a screw; 21-a handle; 22-air pipe; 23-a flexible hose; 24-driving the motor I; 25-first-stage filter screen; 26-a strut; 27-two-stage sieve.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1-3, a ventilation device for preventing coal mine gas from exceeding the limit comprises a supporting base 1 and an air pipe 22, wherein a first driving motor 24 is arranged in the air pipe 22, a first blade 16 is fixedly mounted at the output end of the first driving motor 24, a first-stage filter screen 25 and a second-stage filter screen 27 are arranged in the air pipe 22, the first driving motor 24 rotates to drive the first blade 16 to rotate, air in a mine is sucked into the air pipe 22, the first-stage filter screen 25 and the second-stage filter screen 27 purify and filter dust in the air, the purified air is discharged from the tail end of the air pipe 22, in order to adjust the position of the air pipe 22 in real time, an adjusting base 8 is arranged above the supporting base 1, a screw 9 is arranged in the adjusting base 8, the tail end of the left side of the screw 9 extends to the outside of the adjusting base 8, and the screw 9 is rotatably connected with, the left side of the upper surface of the supporting base 1 is provided with a driving motor II 2, the output end of the driving motor II 2 is fixedly connected with an incomplete bevel gear 4, the tail end of the left side of the screw rod 9 is symmetrically provided with bevel gears 5, the incomplete bevel gear 4 is intermittently meshed with the bevel gears 5 on the left and right sides, the surface of the screw rod 9 is provided with a nut 10, the nut 10 can move left and right in the horizontal direction along with the rotation of the screw rod 9, a positioning sleeve 11 is fixedly installed above the nut 10, a positioning rod 13 is arranged in the positioning sleeve 11, the tail end of one side of the positioning rod 13, which is far away from the positioning sleeve 11, is fixedly connected with a support 15, the right side of the support 15 is fixedly connected with a supporting box body 17 through a connecting rod, an air pipe 22 is installed in the supporting box body 17, the incomplete bevel gear 4 is driven to, the nut 10 drives the upper positioning sleeve 11 and the air pipe 22 to reciprocate left and right in the horizontal direction.
Further, in order to increase the circulation rate of the air duct 22 and the outside air, in this embodiment, at least two driving motors 24 and the blades 16 are disposed in the air duct 22.
Further, in order to fix the driving motor one 24, in this embodiment, the supporting rods 26 are symmetrically arranged on the upper side and the lower side of the driving motor one 24, and the end of one side of the supporting rod 26, which is far away from the driving motor one 24, is fixedly connected with the inner wall of the air duct 22.
Further, in order to adjust seat 8 and support base 1 fixed connection, in this embodiment, support base 1 upper surface left and right sides symmetry sets up supporting leg 3, supporting leg 3 keeps away from the one end that supports base 1 and adjusts seat 8 fixed connection.
Further, in order to make the air ducts 22 telescopic, in the present embodiment, a telescopic hose 23 is provided between the air ducts 22.
Further, in order to improve the stability of the nut 10 moving left and right in the horizontal direction, in this embodiment, the upper surface of the adjusting seat 8 is provided with a limiting groove 7, the limiting seat 6 is fixedly installed below the nut 10, and the limiting seat 6 is connected with the limiting groove 7 in a sliding manner.
Example 2
Referring to fig. 1 to 3, on the basis of embodiment 1, in order to adjust the height of the air duct 22, the positioning rod 13 is slidably connected to the positioning sleeve 11, the threaded holes 14 are uniformly formed in the surface of the positioning rod 13 at equal intervals, the positioning pins 12 are disposed above the positioning sleeve 11, and after the height adjustment of the positioning rod 13 and the air duct 22 is completed, the positioning rod 13 is detachably and fixedly connected to the positioning sleeve 11 through the positioning pins 12 and the threaded holes 14.
Further, in order to fixedly mount the air pipe 22 in the supporting box 17, in this embodiment, fastening screws 20 are symmetrically arranged on the upper side and the lower side of the supporting box 17, the upper side and the lower side of the supporting box 17 are connected with the arc-shaped clamps 18 through the mutually-close ends of the fastening screws 20, one end of each fastening screw 20, which is far away from the arc-shaped clamps 18, is fixedly mounted with a handle 21, the air pipe 22 is placed between the arc-shaped clamps 18 on the upper side and the lower side, the handle 21 drives the fastening screws 20 to rotate through rotating the handle 21, and the fastening screws 20 push the arc-shaped clamps 18 to move inwards at the same time, so that.
Further, in order to stabilize the support box 17 during the up-and-down movement by the screw 20, in this embodiment, the support frames 19 are symmetrically disposed on the upper and lower sides of the support box 17.
The utility model discloses a theory of operation is: the utility model provides a prevent ventilation unit that colliery gas transfinites, rotates through driving motor 24, driving motor 24 drives blade 16 and rotates, inhales the air in the mine to tuber pipe 22 in, one-level filter screen 25 and second grade filter screen 27 purify the dust in the air and filter, and the air after the purification passes through the terminal discharge of tuber pipe 22, rotates through driving motor two 2, driving motor two 2 drive incomplete bevel gear 4 and rotate, incomplete bevel gear 4 drives screw rod 9 through 5 intermittent type nature meshing with left and right sides bevel gear, nut 10 drives top positioning sleeve 11 and tuber pipe 22 reciprocating motion about the horizontal direction.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. The ventilation device for preventing coal mine gas from exceeding the limit comprises a supporting base (1) and an air pipe (22), and is characterized in that a first driving motor (24) is arranged in the air pipe (22), blades (16) are fixedly installed at the output end of the first driving motor (24), a first-stage filter screen (25) and a second-stage filter screen (27) are arranged in the air pipe (22), an adjusting seat (8) is arranged above the supporting base (1), a screw rod (9) is arranged in the adjusting seat (8), the tail end of the left side of the screw rod (9) extends to the outside of the adjusting seat (8), the screw rod (9) is rotatably connected with the adjusting seat (8), a second driving motor (2) is arranged on the left side of the upper surface of the supporting base (1), the output end of the second driving motor (2) is fixedly connected with an incomplete bevel gear (4), and bevel gears (5) are symmetrically arranged at, incomplete bevel gear (4) and left and right sides bevel gear (5) intermittent type nature meshing, screw rod (9) surface sets up nut (10), nut (10) top fixed mounting position sleeve (11), set up locating lever (13) in position sleeve (11), locating lever (13) are kept away from one side end and support (15) fixed connection of position sleeve (11), connecting rod fixed connection support box (17) are passed through on support (15) right side, tuber pipe (22) are installed in support box (17), locating lever (13) and position sleeve (11) sliding connection, locating lever (13) surface equidistance evenly sets up screw hole (14), position sleeve (11) top sets up dowel (12).
2. A ventilation device for preventing coal mine gas overrun according to claim 1, characterized in that at least two driving motors (24) and vanes (16) are provided in the wind pipe (22).
3. The ventilation device for preventing the coal mine gas from exceeding the limit of the claim 1, wherein the first driving motor (24) is symmetrically provided with supporting rods (26) at the upper side and the lower side, and the tail ends of the supporting rods (26) far away from the first driving motor (24) are fixedly connected with the inner wall of the air pipe (22).
4. The ventilation device for preventing the gas in the coal mine from exceeding the limit of the gas as claimed in claim 1, wherein the left side and the right side of the upper surface of the supporting base (1) are symmetrically provided with the supporting legs (3), and one ends of the supporting legs (3) far away from the supporting base (1) are fixedly connected with the adjusting base (8).
5. A ventilation device for preventing coal mine gas overrun as claimed in claim 1 or 2, characterised in that a flexible hose (23) is provided between the air ducts (22).
6. The ventilation device for preventing coal mine gas from exceeding the limit of claim 1, wherein a limit groove (7) is formed in the upper surface of the adjusting seat (8), a limit seat (6) is fixedly installed below the nut (10), and the limit seat (6) is in sliding connection with the limit groove (7).
7. The ventilation device for preventing coal mine gas from exceeding the limit of claim 1, wherein the upper side and the lower side of the supporting box body (17) are symmetrically provided with fastening screws (20), one ends of the upper side and the lower side, close to the fastening screws (20), are connected with the arc-shaped clamp (18), and one end, far away from the arc-shaped clamp (18), of the fastening screws (20) is fixedly provided with a handle (21).
8. The ventilation device for preventing the gas overrun of the coal mine according to claim 7, characterized in that the support box body (17) is provided with brackets (19) symmetrically at the upper and lower sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021908904.1U CN213088298U (en) | 2020-09-04 | 2020-09-04 | Ventilation device for preventing coal mine gas from exceeding limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021908904.1U CN213088298U (en) | 2020-09-04 | 2020-09-04 | Ventilation device for preventing coal mine gas from exceeding limit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088298U true CN213088298U (en) | 2021-04-30 |
Family
ID=75634877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021908904.1U Expired - Fee Related CN213088298U (en) | 2020-09-04 | 2020-09-04 | Ventilation device for preventing coal mine gas from exceeding limit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183188A (en) * | 2022-02-16 | 2022-03-15 | 徐州赛森电子自动化技术有限公司 | Coal mine gas transfinite ventilation unit for coal mining |
| CN117248952A (en) * | 2023-11-13 | 2023-12-19 | 晋能控股煤业集团同忻煤矿山西有限公司 | Ventilation system for mine mining field and use method thereof |
-
2020
- 2020-09-04 CN CN202021908904.1U patent/CN213088298U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183188A (en) * | 2022-02-16 | 2022-03-15 | 徐州赛森电子自动化技术有限公司 | Coal mine gas transfinite ventilation unit for coal mining |
| CN117248952A (en) * | 2023-11-13 | 2023-12-19 | 晋能控股煤业集团同忻煤矿山西有限公司 | Ventilation system for mine mining field and use method thereof |
| CN117248952B (en) * | 2023-11-13 | 2024-02-02 | 晋能控股煤业集团同忻煤矿山西有限公司 | Ventilation system for mine mining field and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 Termination date: 20210904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |