CN216665664U

CN216665664U - Safety type ventilation device for coal mine

Info

Publication number: CN216665664U
Application number: CN202122286739.1U
Authority: CN
Inventors: 张旭; 李亚冰
Original assignee: Dachigou Coal Mine Of Yima Coal Industry Group Qinghai Yihai Energy Co ltd
Current assignee: Dachigou Coal Mine Of Yima Coal Industry Group Qinghai Yihai Energy Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-06-03
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a safety ventilation device for a coal mine, which relates to the technical field of coal mine ventilation and comprises a ventilation pipeline, wherein a pulling opening is formed in the bottom of the ventilation pipeline, the inner side wall of the pulling opening is connected with a pulling rod in a sliding mode, the inner top of the ventilation pipeline is fixedly connected with a rotating plate, and a cleaning shaft is rotatably connected to the rotating plate. According to the utility model, through the matching action of the blowing fan, the pulling rod, the cleaning shaft and the cleaning roller, when dust on the dust screen needs to be removed, the pulling rod is moved up and down to rotate the rotating gear and further rotate the cleaning roller, so that the dust on the dust screen can be scraped, the cleaning shaft can be driven to rotate while rotating, the eccentric disc is further driven to rotate, the dust screen can be pushed, and then the cleaning roller is reset under the action of the pushing spring, so that the dust suction plate can be vibrated repeatedly, the dust on the dust screen can be shaken, and the practicability of the device is improved.

Description

Safety type ventilation device for coal mine

Technical Field

The utility model relates to the technical field of coal mine ventilation, in particular to a safety ventilation device for a coal mine.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines.

The coal mining process needs to ventilate in the mine hole, and there is a large amount of dust in the mine hole usually, just can discharge outdoors after need filtering the dust, filters it through the dust screen usually at present stage, and the dust screen can block up easily when the live time is too long to the dust screen sets up in exhaust pipe usually, is difficult for clearing up the dust screen, for this reason, we propose a safety type ventilation unit for coal mine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a safety ventilation device for a coal mine.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a safe type ventilation unit is used in colliery, includes air pipe, the pulling mouth has been seted up to the air pipe bottom, the inside wall sliding connection of pulling mouth has the pulling pole, top fixedly connected with rotor plate in the air pipe, it cleans the axle to rotate to be connected with on the rotor plate, pulling pole slewing mechanism is connected with and cleans the hub connection, the bottom rotates in the air pipe and is connected with the vibration axle, air pipe is connected with the dust absorption board through sliding mechanism, the air pipe bottom is equipped with the dust exhaust mouth.

Preferably, a circular vent is formed in the dust collection plate, a dust collection net is arranged in the vent, two symmetrical cleaning rollers are fixedly connected to the cleaning shaft, and the cleaning rollers are attached to the dust collection net.

Preferably, slewing mechanism includes the rotating gear of fixed connection at the cleaning axle lateral wall, the pulling rod is equipped with the promotion rack on being close to the lateral wall that cleans axle one side, it is connected with the rotating gear meshing to promote the rack, pulling rod bottom fixedly connected with pulling handle.

Preferably, a first bevel gear is fixedly connected to the outer side wall of the cleaning shaft, a second bevel gear is fixedly connected to the outer side wall of the vibrating shaft, the first bevel gear is meshed with the second bevel gear, and an eccentric disc is fixedly connected to the outer side wall of the vibrating shaft.

Preferably, slide mechanism is including seting up the sliding tray of bottom in the air pipe, sliding tray inside wall fixedly connected with sliding shaft, set up the sliding hole corresponding with the sliding shaft on the dust absorption board, sliding shaft lateral wall and the downthehole lateral wall sliding connection of sliding, sliding shaft lateral wall cover is equipped with the promotion spring, promote the spring both ends respectively with dust absorption board lateral wall and sliding tray inside wall fixed connection.

Preferably, a blowing fan is arranged in the ventilation duct, and the flowing direction of the air in the ventilation duct is from left to right.

Compared with the prior art, the utility model has the following advantages:

1. through setting up the cooperation of fan, pulling rod, cleaning the axle and cleaning the roller of blowing, when the dust on the dirt screen was got rid of to needs, through reciprocating the pulling rod for the running gear rotates, and then makes and clean the roller rotation, thereby can scrape the dust on the dirt screen and get.

2. Through setting up vibration axle, eccentric disc and cleaning the cooperation of axle and using, can drive the vibrations axle and rotate when cleaning axle pivoted, and then make eccentric disc rotate, can promote the dust guard, then reset under the effect that promotes the spring, can make the dust absorption board vibrations from this repeatedly, can shake the dust on the dust absorption net, improved the practicality of device.

Drawings

Fig. 1 is a schematic structural diagram of a safety ventilation device for coal mines, which is provided by the utility model;

FIG. 2 is a schematic structural view of a dust-collecting plate and a rotating plate according to the present invention;

fig. 3 is a schematic structural view of a rotating gear according to the present invention.

In the figure: 1. a ventilation duct; 2. a blowing fan; 3. a dust collection plate; 4. a rotating plate; 5. pulling a rod; 6. cleaning the shaft; 7. a rotating gear; 8. a vibration shaft; 9. an eccentric disc; 10. cleaning the roller; 11. a sliding groove; 12. dust collection net.

Detailed Description

Referring to fig. 1-3, a safety ventilation device for coal mine, comprising a ventilation duct 1, a pulling opening is arranged at the bottom of the ventilation duct 1, the inner side wall of the pulling opening is slidably connected with a pulling rod 5, the inner top of the ventilation duct 1 is fixedly connected with a rotating plate 4, the rotating plate 4 is rotatably connected with a cleaning shaft 6, a rotating mechanism of the pulling rod 5 is connected with the cleaning shaft 6, the rotating mechanism comprises a rotating gear 7 fixedly connected with the outer side wall of the cleaning shaft 6, the side wall of the pulling rod 5 close to one side of the cleaning shaft 6 is provided with a pushing rack, the pushing rack is engaged and connected with the rotating gear 7, the bottom of the pulling rod 5 is fixedly connected with a pulling handle, the outer side wall of the cleaning shaft 6 is fixedly connected with a first bevel gear, the outer side wall of a vibrating shaft 8 is fixedly connected with a second bevel gear, the first bevel gear is engaged and connected with the second bevel gear, the outer side wall of the vibrating shaft 8 is fixedly connected with an eccentric disc 9, the pulling rod 5 is repeatedly moved up and down by pulling the handle, the rotating gear 7 is rotated under the action of the pushing rack, the rotating gear 7 drives the cleaning shaft 6 to rotate when rotating, and further drives the cleaning roller 10 to rotate, so that dust on the surface of the dust collection net 12 can be scraped;

the bottom in the ventilating duct 1 is rotatably connected with a vibrating shaft 8, the ventilating duct 1 is connected with a dust collection plate 3 through a sliding mechanism, the sliding mechanism comprises a sliding groove 11 formed in the bottom in the ventilating duct 1, the inner side wall of the sliding groove 11 is fixedly connected with a sliding shaft, a sliding hole corresponding to the sliding shaft is formed in the dust collection plate 3, the outer side wall of the sliding shaft is slidably connected with the inner side wall of the sliding hole, a pushing spring is sleeved on the outer side wall of the sliding shaft, two ends of the pushing spring are fixedly connected with the outer side wall of the dust collection plate 3 and the inner side wall of the sliding groove 11 respectively, and a dust exhaust port is formed in the bottom of the ventilating duct 1;

set up the vent of circular setting on the dust absorption board 3, be equipped with dust absorption net 12 in the vent, clean the roller 10 that cleans of two symmetry settings of fixedly connected with on the axle 6, clean roller 10 and dust absorption net 12 laminating mutually, be equipped with air fan 2 in the air pipe 1, gaseous flow direction is for from a left side to the right side in the air pipe 1, when carrying out the ventilation in the mine hole, air pipe can be followed in the mine hole mouth extends to the mine hole, make the circulation of air in the air pipe 1 through air fan 2 of blowing, the air can flow to the right side from the left side.

The specific working principle of the utility model is as follows:

firstly, when ventilation is carried out in a mine hole, the ventilation pipeline extends into the mine hole from the opening of the mine hole, air in the ventilation pipeline 1 circulates through the blowing fan 2, the air flows from the left side to the right side, when dust on the dust collection net 12 is excessively accumulated and needs to be cleaned, a worker pulls the pull rod 5 through repeated up-and-down movement of the pulling handle, the rotating gear 7 rotates under the action of the pushing rack, the rotating gear 7 drives the cleaning shaft 6 to rotate when rotating, and further drives the cleaning roller 10 to rotate, so that dust on the surface of the dust collection net 12 can be scraped, the vibrating shaft 8 is driven to rotate through the cooperation of the first bevel gear and the second bevel gear when the cleaning shaft 6 rotates, so as to drive the eccentric disc 9 to rotate, the eccentric disc 9 can abut against the outer side wall of the dust collection plate 3 when rotating, so that the dust collection plate 3 moves rightwards, and the dust collection plate 3 moves leftwards under the action of the pushing spring, in the process, the dust suction plate 3 can vibrate, dust on the dust suction net 12 can be shaken off, and then the dust flows out of the ventilating duct 1 through the dust outlet.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. The utility model provides a safety type ventilation unit is used in colliery, includes air pipe (1), its characterized in that, air pipe (1) bottom has been seted up and has been pulled the mouth, the interior lateral wall sliding connection of pulling mouth has pulling pole (5), top fixedly connected with rotor plate (4) in air pipe (1), it is connected with to clean axle (6) to rotate on rotor plate (4), pulling pole (5) slewing mechanism is connected with to clean axle (6), the bottom rotates in air pipe (1) and is connected with vibration axle (8), air pipe (1) is connected with dust absorption board (3) through sliding mechanism, air pipe (1) bottom is equipped with the dust exhaust mouth.

2. The safety type ventilation device for the coal mine according to claim 1, wherein a circular ventilation opening is formed in the dust collection plate (3), a dust collection net (12) is arranged in the ventilation opening, two symmetrically arranged cleaning rollers (10) are fixedly connected to the cleaning shaft (6), and the cleaning rollers (10) are attached to the dust collection net (12).

3. The safety type ventilation device for coal mines as claimed in claim 1, wherein the rotating mechanism comprises a rotating gear (7) fixedly connected to the outer side wall of the cleaning shaft (6), a pushing rack is arranged on the side wall of the pulling rod (5) close to one side of the cleaning shaft (6), the pushing rack is meshed with the rotating gear (7) and connected with the rotating gear, and a pulling handle is fixedly connected to the bottom of the pulling rod (5).

4. The safety type ventilation device for the coal mine according to claim 1, characterized in that a first bevel gear is fixedly connected to the outer side wall of the cleaning shaft (6), a second bevel gear is fixedly connected to the outer side wall of the vibration shaft (8), the first bevel gear is meshed with the second bevel gear, and an eccentric disc (9) is fixedly connected to the outer side wall of the vibration shaft (8).

5. The safety ventilation device for the coal mine according to claim 1, wherein the sliding mechanism comprises a sliding groove (11) formed in the bottom of the ventilation duct (1), a sliding shaft is fixedly connected to the inner side wall of the sliding groove (11), a sliding hole corresponding to the sliding shaft is formed in the dust collection plate (3), the outer side wall of the sliding shaft is slidably connected with the inner side wall of the sliding hole, a pushing spring is sleeved on the outer side wall of the sliding shaft, and two ends of the pushing spring are respectively fixedly connected with the outer side wall of the dust collection plate (3) and the inner side wall of the sliding groove (11).

6. The safety ventilation device for coal mines according to claim 1, characterized in that a blowing fan (2) is arranged in the ventilation duct (1), and the flowing direction of the gas in the ventilation duct (1) is from left to right.