CN219826899U

CN219826899U - Underground ventilation device

Info

Publication number: CN219826899U
Application number: CN202321085881.2U
Authority: CN
Inventors: 胡安昌; 纪维员; 杨振安
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-10-13
Anticipated expiration: 2033-05-08

Abstract

The utility model belongs to the technical field of coal mines, in particular to an underground ventilation device, which comprises a ventilation pipe and a filter screen arranged at a port of the ventilation pipe, wherein a cleaning mechanism is arranged on the surface of the filter screen and comprises two groups of cleaning plates arranged on the surface of the filter screen, sliding blocks symmetrically and fixedly connected to two ends of the cleaning plates, and a sliding groove arranged on one side, close to the sliding blocks, of the ventilation pipe; the motor can be started to drive the dwang to rotate, and then drive and clean the board and slide at the filter screen surface, cleans the dust on filter screen surface, avoids its piling up to block up the filter screen and influences the device and take a breath the effect, can band-pass air pipe inside blade rotation simultaneously, and then improve the efficiency of taking a breath in the pit, the water pump can take out the inside water of water tank to spout through atomizing spray tube blowout and form the water smoke, blow down to the pit with the water smoke through the blade, carry out the dust fall to the pit, thereby can effectively improve coal mining operational environment in the pit.

Description

Underground ventilation device

Technical Field

The utility model belongs to the technical field of coal mines, and particularly relates to an underground ventilation device.

Background

Coal mines are areas where mankind is mining coal resources in coal-rich mining areas, and are generally classified into underground coal mines and open pit coal mines, and when a coal seam is far from the ground surface, coal is generally selected to be mined into underground mining tunnels, which is the underground coal mine.

Through investigation publication (bulletin) number: CN213510720U discloses a ventilation device for coal mine, which comprises a ventilation pipe, the right end of the ventilation pipe is provided with an air outlet connection screw thread port, the air outlet connection screw thread port is fixedly communicated with the ventilation pipe, an air inlet pipe is fixedly arranged above the ventilation pipe, the right end of the air inlet pipe is fixedly provided with an air inlet connection screw thread port, the air inlet connection screw thread port is fixedly communicated with the air inlet pipe, the left end of the air inlet pipe is fixedly provided with an air exchange pipe screw thread port, the air exchange pipe screw thread port is fixedly communicated with the air inlet pipe, the left end of the ventilation pipe is fixedly provided with a connecting pipe screw thread port, the connecting pipe screw thread port is fixedly communicated with the ventilation pipe, and the like, and the ventilation pipe is provided with a ventilation fan which is installed, so that the underground air can be ventilated through the air inlet pipe when the first ventilation fan is used for exhausting air, the underground air can be effectively purified, the underground air can be synchronously exhausted through the second ventilation fan, the exhaust speed is accelerated, the underground gas concentration is reduced by utilizing high-efficiency exhaust, the exhaust speed is effectively increased, and the technical effects such as safety are improved;

when the air filter is used, although the underground air can be effectively purified, the exhaust speed is increased, the underground gas concentration is reduced by utilizing high-efficiency exhaust, the air filter device only utilizes a simple filter screen to filter the air, dust in the air can not be effectively collected, and the dust easily blocks meshes on the filter screen when the air filter device is used for a long time, so that the ventilation effect of the air filter device can be influenced, and the underground air quality can not be ensured;

in order to solve the above problems, the present utility model provides a downhole ventilation device.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides an underground ventilation device which has the characteristics of cleaning dust on the surface of a filter screen and avoiding the influence of accumulation of dust on the ventilation effect of the device caused by blocking of the filter screen.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the underground ventilation device comprises a ventilation pipe and a filter screen arranged at a port of the ventilation pipe, wherein a cleaning mechanism is arranged on the surface of the filter screen;

the cleaning mechanism comprises two groups of cleaning plates arranged on the surface of the filter screen, sliding blocks symmetrically and fixedly connected with the two ends of the cleaning plates, and a sliding groove formed in one side, close to the sliding blocks, of the ventilating pipe, and the sliding blocks are in sliding connection with the ventilating pipe through the sliding grooves.

As the underground ventilation device, preferably, the bottom surface of the ventilation pipe is fixedly connected with a motor, the output end of the motor is fixedly connected with a driving shaft, one end of the driving shaft, which is far away from the motor, is fixedly connected with a rotating rod, a connecting rod is arranged between the rotating rod and the cleaning plate, and two ends of the connecting rod are respectively hinged with the rotating rod and the cleaning plate through rotating shafts.

As the underground ventilation device, preferably, a mounting frame is fixed at one side of the inside of the ventilation pipe, which is close to the filter screen, a rotating shaft is rotatably connected to the surface of the mounting frame, and a plurality of groups of blades in an annular array are fixedly connected to the surface of the rotating shaft.

As the underground ventilation device, preferably, the surface of the sliding block is fixedly connected with a second sprocket, one side of the surface of the driving shaft, which is close to the second sprocket, is fixedly connected with a first sprocket, and the first sprocket is connected with the second sprocket through a chain.

As the underground ventilation device, the upper surface of the ventilation pipe is provided with the dust fall mechanism, the dust fall mechanism comprises a water pump fixedly arranged on the upper surface of the ventilation pipe, an atomizing spray pipe arranged on one side of the water pump and a water tank arranged on the other side of the water pump, and the water tank is fixedly connected with the ventilation pipe.

As the underground ventilation device, preferably, the output end of the water pump is communicated with the atomizing spray pipe through the communicating pipe A, the input end of the water pump is communicated with the water tank through the connecting pipe B, and the water inlet of the water tank is fixedly connected with the water inlet valve.

Compared with the prior art, the utility model has the beneficial effects that: through setting up clearance mechanism, start the motor and can drive the dwang and rotate, and then drive and clean the board and slide at the filter screen surface, clean the dust on filter screen surface, avoid it to pile up and block up the filter screen and influence the device and take a breath the effect, can band-pass tuber pipe inside blade rotation simultaneously, and then improve the efficiency of taking a breath in the pit, simultaneously set up dust fall mechanism, the water pump can take out the inside water of water tank to form the water smoke through atomizing spray tube blowout, blow down the pit with water smoke through the blade, carry out the dust fall to the pit, thereby can effectively improve coal mining operational environment in the pit.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the drive shaft and motor of the present utility model;

FIG. 3 is a schematic view of the structure of the blade and mounting bracket of the present utility model;

fig. 4 is a schematic view of the structure of the sliding block and the cleaning plate in the present utility model.

In the figure:

1. a ventilation pipe; 2. a filter screen;

3. a cleaning mechanism; 31. a cleaning plate; 32. a connecting rod; 33. a motor; 34. a sliding groove; 35. a rotating lever; 36. a drive shaft; 37. a first sprocket; 38. a blade; 39. a second sprocket; 310. a mounting frame; 311. a sliding block; 312. a rotating shaft;

4. a dust fall mechanism; 41. a water tank; 42. a water inlet valve; 43. a water pump; 44. an atomizing spray pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1:

a downhole ventilation device comprises a ventilation pipe 1 and a filter screen 2 arranged at a port of the ventilation pipe 1.

In this embodiment: existing publication (bulletin) numbers: CN213510720U discloses a ventilation device for coal mine; in order to solve the technical problem in the prior art, as disclosed in the background art above, the ventilation efficiency is increased by simultaneously air intake and air exhaust, but the ventilation device only uses the simple filter screen 2 to filter air, and can not effectively collect dust in the air, the dust easily blocks meshes on the filter screen 2 when the ventilation device is used for a long time, and further the ventilation effect of the ventilation device can be influenced, so that the underground air quality can not be guaranteed, the problem is obviously a problem which exists in reality and is difficult to solve, and in order to solve the technical problem, the cleaning mechanism 3 and the dust falling mechanism 4 are added on the file of the utility model.

As shown in fig. 1-4:

further, the method comprises the following steps:

in combination with the above, the cleaning mechanism 3 includes two groups of cleaning plates 31 disposed on the surface of the filter screen 2, sliding blocks 311 symmetrically and fixedly connected to two ends of the cleaning plates 31, and a sliding groove 34 disposed on one side of the ventilation pipe 1 near the sliding blocks 311, and the sliding blocks 311 and the ventilation pipe 1 are slidably connected through the sliding groove 34.

In this embodiment: when ventilation is carried out in the pit, dust in the air can be isolated by the filter screen 2, but dust can be accumulated on the surface of the filter screen 2 to influence the ventilation effect of the ventilation pipe 1 when the dust on the surface of the filter screen 2 is used for a long time, when the dust on the surface of the filter screen 2 needs to be cleaned, the sliding block 311 is pushed to slide in the sliding groove 34 by the movable cleaning plate 31, and then the impurity on the surface of the filter screen 2 is cleaned by the sliding plate 31, so that the accumulated blockage of the filter screen 2 is avoided, and the ventilation effect of the device is influenced.

It should be noted that: a through groove is formed in the ventilation pipe 1 and located between the second chain wheel 39 and the first chain wheel 37, so that the first chain wheel 37 can drive the second chain wheel 39 to synchronously rotate through a chain.

It should be noted that: one side of the cleaning plate 31, which is close to the filter screen 2, is fixedly connected with a brush, and the brush can clean dust on the surface of the filter screen 2 by moving the cleaning plate 31 on the surface of the filter screen 2.

Still further, the method comprises:

in combination with the above, the bottom surface fixedly connected with motor 33 of ventilation pipe 1, the output fixedly connected with drive shaft 36 of motor 33, the one end fixedly connected with dwang 35 that drive shaft 36 kept away from motor 33, be provided with connecting rod 32 between dwang 35 and the cleaning board 31, and the both ends of connecting rod 32 are articulated with dwang 35 and cleaning board 31 respectively through the pivot, the inside of ventilation pipe 1 is close to one side of filter screen 2 and is fixed with mounting bracket 310, the surface rotation of mounting bracket 310 is connected with axis of rotation 312, the surface fixedly connected with of axis of rotation 312 is a plurality of groups of blades 38 of annular array, the surface fixedly connected with second sprocket 39 of sliding block 311, one side fixedly connected with first sprocket 37 that the drive shaft 36 surface is close to second sprocket 39, and first sprocket 37 and second sprocket 39 are connected through the chain.

In this embodiment: when the dust on the surface of the filter screen 2 needs to be cleaned, the motor 33 is started to drive the driving shaft 36 to rotate, the driving shaft 36 rotates to drive the rotating rod 35 to make eccentric motion, then the cleaning plate 31 can only vertically slide on the surface of the filter screen 2 under the limit of the sliding block 311 and the sliding groove 34, and then the cleaning plate 31 is driven to vertically reciprocate on the surface of the filter screen 2 by the connecting rod 32 when the rotating rod 35 rotates, so that dust on the surface of the filter screen 2 can be cleaned, the dust accumulated on the surface of the filter screen 2 is prevented from blocking the ventilation effect of the device, the driving shaft 36 rotates, the first chain wheel 37 can be driven to rotate, the rotating shaft 312 is driven to rotate by the chain and the second chain wheel 39, the plurality of groups of blades 38 are driven to rotate, the air flow rate inside the ventilation pipe 1 is increased, and the underground ventilation efficiency is further improved.

It should be noted that: the rotating rod 35 rotates to drive the two groups of cleaning plates 31 to move, so that the moving track can just cover the surface of the filter screen 2, and impurities on the surface of the filter screen 2 can be cleaned conveniently.

Still further, the method comprises:

in combination with the above, the upper surface of the ventilation pipe 1 is provided with the dust fall mechanism 4, the dust fall mechanism 4 comprises a water pump 43 fixedly installed on the upper surface of the ventilation pipe 1, an atomizing nozzle 44 arranged on one side of the water pump 43 and a water tank 41 arranged on the other side of the water pump 43, the water tank 41 is fixedly connected with the ventilation pipe 1, the output end of the water pump 43 is communicated with the atomizing nozzle 44 through a communicating pipe A, the input end of the water pump 43 is communicated with the water tank 41 through a connecting pipe B, and the water inlet of the water tank 41 is fixedly connected with a water inlet valve 42.

In this embodiment: when the device ventilates, the water pump 43 is started to pump water in the water tank 41, the water mist is sprayed out through the atomization spray pipe 44 to form water mist, the water mist is blown down by the blades 38, dust is reduced down the well, and therefore the underground coal mining working environment can be effectively improved.

It should be noted that: the water tank 41 and the motor 33 are electrically connected to an external power source through wires.

It should be noted that: the water inlet valve 42 is communicated with an external water pipe through the water pipe, so that water can be conveniently injected into the water tank 41, and a filter assembly is arranged in the water inlet valve 42, so that impurities in water can be prevented from entering the water tank 41 to block meshes on the atomizing spray pipe 44.

Working principle: when ventilation is carried out underground, dust in the air can be isolated by the filter screen 2, but dust can be accumulated on the surface of the filter screen 2 to affect the ventilation effect of the ventilation pipe 1 when the ventilation pipe is used for a long time, the starting motor 33 drives the driving shaft 36 to rotate, the driving shaft 36 rotates to drive the rotating rod 35 to eccentrically move, then the cleaning plate 31 can only vertically slide on the surface of the filter screen 2 under the limit of the sliding block 311 and the sliding groove 34, and then the cleaning plate 31 is driven to vertically reciprocate on the surface of the filter screen 2 by the connecting rod 32 when the rotating rod 35 rotates, so that dust on the surface of the filter screen 2 can be cleaned, the dust accumulation blocking the filter screen 2 is prevented from affecting the ventilation effect of the ventilation pipe device, the driving shaft 36 rotates and drives the rotating shaft 312 to rotate by the chain and the second chain wheel 39, the plurality of groups of blades 38 are driven to rotate, the air flow rate inside the ventilation pipe 1 is increased, the ventilation efficiency in the underground is further improved, the water pump 43 is started to pump water inside the water tank 41 out when the ventilation is carried out by the device, water mist is formed by spraying the atomizing nozzle 44 to blow down underground, and the underground dust is reduced by the blades 38, and the underground working environment can be effectively improved.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a ventilation device takes a breath in pit, includes ventilation pipe (1) and installs filter screen (2) in ventilation pipe (1) port department, its characterized in that: the surface of the filter screen (2) is provided with a cleaning mechanism (3);

the cleaning mechanism (3) comprises two groups of cleaning plates (31) arranged on the surface of the filter screen (2), sliding blocks (311) symmetrically and fixedly connected to the two ends of the cleaning plates (31) and a sliding groove (34) formed in one side, close to the sliding blocks (311), of the ventilation pipe (1), and the sliding blocks (311) are in sliding connection with the ventilation pipe (1) through the sliding grooves (34).

2. A downhole ventilation device according to claim 1, wherein: the bottom surface fixedly connected with motor (33) of ventilation pipe (1), the output fixedly connected with drive shaft (36) of motor (33), drive shaft (36) are kept away from one end fixedly connected with dwang (35) of motor (33), dwang (35) with be provided with connecting rod (32) between cleaning board (31), just the both ends of connecting rod (32) pass through the pivot respectively with dwang (35) with cleaning board (31) are articulated.

3. A downhole ventilation device according to claim 1, wherein: one side that is close to filter screen (2) in the inside of ventilation pipe (1) is fixed with mounting bracket (310), the surface rotation of mounting bracket (310) is connected with axis of rotation (312), the surface of axis of rotation (312) is kept away from one end fixedly connected with that is a plurality of group's blades (38) of annular array of mounting bracket (310).

4. A downhole ventilation device according to claim 3, wherein: the surface of the sliding block (311) is fixedly connected with a second sprocket (39), one side of the surface of the driving shaft (36) close to the second sprocket (39) is fixedly connected with a first sprocket (37), and the first sprocket (37) and the second sprocket (39) are connected through a chain.

5. A downhole ventilation device according to claim 1, wherein: the upper surface of ventilation pipe (1) is provided with dust fall mechanism (4), dust fall mechanism (4) are including fixed mounting ventilation pipe (1) upper surface has water pump (43) and sets up atomizing spray tube (44) and setting up in water pump (43) opposite side water tank (41), just water tank (41) with ventilation pipe (1) fixed connection.

6. A downhole ventilation device according to claim 5, wherein: the output end of the water pump (43) is communicated with the atomizing spray pipe (44) through a communicating pipe A, the input end of the water pump (43) is communicated with the water tank (41) through a connecting pipe B, and a water inlet of the water tank (41) is fixedly connected with a water inlet valve (42).