Safety ventilation device for mining

Abstract

The utility model relates to the technical field of mining, in particular to a safe ventilation device for mining, which comprises a ventilation pipeline and a cleaning device, a filter screen is arranged on the surface of the ventilation pipeline, the cleaning device is arranged on the lower surface of the ventilation pipeline, the cleaning device comprises a sliding block, and the sliding block is fixedly connected with the filter screen and slidably connected with the ventilation pipeline. The side, close to the sliding block, of the ventilation pipeline is fixedly connected with a moving rod, the sliding block is slidably connected with the moving rod, the lower surface of the ventilation pipeline is fixedly connected with a motor, the driving end of the motor is fixedly connected with a rotating rod, the surface of the rotating rod is sleeved with a rope body, one side of the sliding block is fixedly connected with a rod body, and the side, away from the rotating rod, of the rope body is fixedly connected with the rod body. According to the utility model, the filter screen is convenient to clean, the usability of the equipment is improved, the conditions that the filter screen is blocked by dust and gas is difficult to enter are reduced, the safety of the equipment is improved, and the stability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine exploitation, in particular to a safety ventilation device for mine exploitation. Background Art

[0002] The use of ventilation devices in mines is key equipment to ensure safe production in mines. Fresh air is transported to various working areas in the mine through ventilation ducts, while polluted air is discharged at the same time. This device effectively reduces dust concentration, improves the working environment, reduces the accumulation of harmful gases, and reduces the risk of accidents such as gas explosions, providing important protection for the life safety of miners and efficient mining.

[0003] The prior art discloses a utility model with publication number CN214836490U. The utility model relates to the field of mine safety, specifically a safety ventilation device for mine development, comprising: a ventilation box body, an exhaust fan is installed on the upper part of the front side wall, a sealed container is inserted inwardly at the lower part, an exhaust fan is installed on the upper part of the right side wall, an air outlet is opened at the lower part, a ventilation slot is formed between the vertical partition and the horizontal partition and the right side wall and the rear side wall, a vertical filter is arranged on the side of the ventilation box body close to the exhaust fan, the bottom of the filter is connected with the mouth of the funnel, the bottom of the funnel is contacted with the inlet of the sealed container, a vibration motor is fixedly installed on the inner side of the rear side wall of the ventilation box body, connected with a vibration rod, the vibration rod is arranged to be in contact with the filter screen, a detachable top cover is arranged on the top of the ventilation box body, a filter box is arranged at the bottom of the top cover, the filter box is arranged in the ventilation slot, a through hole is opened on the top cover corresponding to the filter box, and an air inlet pipe is inserted in the through hole. This mine uses a safe ventilation device to introduce fresh air and accelerate air circulation. It has a simple structure and is convenient for absorbing and treating dust. However, in order to prevent external dust from entering the ventilation system and polluting the air, a filter is installed in the pipeline. After long-term use, a large amount of impurities accumulate on the surface of the filter. The impurities clog the filter, resulting in poor air filtration effect.

[0004] In order to solve the problem that a large amount of impurities accumulate on the surface of the filter after long-term use, the impurities clog the filter, resulting in poor air filtration effect, the existing technology adopts the method of disassembling and cleaning the filter, but it increases the difficulty of operating the equipment, which in turn leads to the problem of inconvenience in equipment maintenance. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that a large amount of impurities accumulate on the surface of the filter screen after long-term use, the impurities clog the filter screen, and the air filtering effect becomes poor, and proposes a safe ventilation device for mining.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a safe ventilation device for mining, comprising a ventilation duct and a cleaning device, a filter screen is arranged on the surface of the ventilation duct, and the cleaning device is arranged on the lower surface of the ventilation duct, the cleaning device comprises a slider, the slider is fixedly connected to the filter screen, the slider is slidably connected to the ventilation duct, a moving rod is fixedly connected to the side of the ventilation duct close to the slider, the slider is slidably connected to the moving rod, a motor is fixedly connected to the lower surface of the ventilation duct, a rotating rod is fixedly connected to the driving end of the motor, a rope body is sleeved on the surface of the rotating rod, and a rod body is fixedly connected to one side of the slider, and by arranging the cleaning device, the filter screen is facilitated to be cleaned, the usability of the equipment is increased, the situation that the filter screen is blocked by dust and the gas is difficult to enter is reduced, the safety of the equipment is increased, and the stability of the equipment is increased.

[0007] Preferably, the side of the rope body away from the rotating rod is fixedly connected to the rod body, and a pressure spring is provided on the surface of the movable rod. The two ends of the pressure spring are respectively fixedly connected to the ventilation duct and the slider. By setting the pressure spring, when in use, the pressure spring generates elastic force to squeeze the filter net, thereby facilitating the cleaning of the filter net.

[0008] Preferably, the slider passes through the ventilation duct and is slidably connected to the ventilation duct. The motor is arranged on the lower surface of the ventilation duct. By arranging the motor, when in use, the motor drives the rotating rod to rotate, which increases the usability of the device and reduces the difficulty of operating the device.

[0009] Preferably, an air blowing device is provided on the lower surface of the ventilation duct, and the air blowing device includes an air pump, and the air pump is fixedly connected to the ventilation duct, and the driving end of the air pump is fixedly connected to a main pipe, and the side of the main pipe away from the air pump is fixedly connected to an air pipe. By providing the air blowing device, dust can be easily blown out of the ventilation duct, which increases the ease of use of the equipment and reduces the difficulty of using the equipment.

[0010] Preferably, the side of the air pipe away from the main pipe passes through the ventilation duct, and the side of the air pipe away from the main pipe is fixedly connected with a nozzle. By providing the nozzle, it is easy to drive the gas to move, which increases the usability of the equipment and improves the usability of the equipment.

[0011] Preferably, there are two nozzles, and the two nozzles are arranged in mirror symmetry.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] The utility model provides a cleaning device and a blowing device. When in use, the motor is started, the motor drives the rotating rod, the rotating rod pulls the pull rope, the pull rope drives the rod body, the rod body drives the slider to move, and then the motor drives the rotating rod to rotate in the opposite direction. At this time, the rope body loses its restraint, the pressure spring loses its restraint and generates elastic force to squeeze the filter screen against the ventilation duct. The filter screen is driven to reciprocate by the motor, and the filter screen is driven to shake continuously, so that dust on the surface of the filter screen is shaken and falls off. At this time, the air pump drives the gas to be ejected through the main pipe and the air pipe, and the nozzle gas blows the shaken dust out of the ventilation duct. By providing the utility model, the filter screen is easily cleaned, the usability of the equipment is increased, the situation that the filter screen is blocked by dust and the gas is difficult to enter is reduced, the safety of the equipment is increased, and the stability of the equipment is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a safety ventilation device for mining;

[0015] Figure 2 The utility model provides a schematic diagram of the upward structure of a safety ventilation device for mining;

[0016] Figure 3 The utility model proposes a schematic diagram of the structure of a cleaning device for a safe ventilation device used in mining;

[0017] Figure 4 The utility model proposes a safe ventilation device for mining Figure 3 A schematic diagram of the enlarged structure at point A;

[0018] Figure 5 The utility model provides a cross-sectional structural schematic diagram of a safety ventilation device for mining.

[0019] Legend: 1. Ventilation duct; 2. Filter; 3. Cleaning device; 31. Motor; 32. Rope body; 33. Rotating rod; 34. Pressure spring; 35. Slider; 36. Rod body; 37. Moving rod; 4. Blowing device; 41. Air pump; 42. Air pipe; 43. Nozzle; 44. Main pipe. DETAILED DESCRIPTION

[0020] See also Figure 1-5 The utility model provides a technical solution: a safety ventilation device for mining, comprising a ventilation duct 1 and a cleaning device 3, a filter screen 2 is arranged on the surface of the ventilation duct 1, and the cleaning device 3 is arranged on the lower surface of the ventilation duct 1.

[0021] The specific settings and functions of the cleaning device 3 and the air blowing device 4 will be described in detail below.

[0022] In this embodiment: the cleaning device 3 includes a slider 35, the slider 35 is fixedly connected to the filter 2, the slider 35 is slidably connected to the ventilation duct 1, a moving rod 37 is fixedly connected to the side of the ventilation duct 1 close to the slider 35, the slider 35 is slidably connected to the moving rod 37, the lower surface of the ventilation duct 1 is fixedly connected to the motor 31, the driving end of the motor 31 is fixedly connected to the rotating rod 33, the surface of the rotating rod 33 is sleeved with a rope body 32, and one side of the slider 35 is fixedly connected to the rod body 36. By setting the cleaning device 3, it is convenient to clean the filter 2, which increases the ease of use of the equipment, reduces the situation where the filter 2 is blocked by dust and gas is difficult to enter, increases the safety of the equipment, and increases the stability of the equipment.

[0023] Specifically, the side of the rope body 32 away from the rotating rod 33 is fixedly connected to the rod body 36, and the surface of the movable rod 37 is provided with a pressure spring 34. The two ends of the pressure spring 34 are respectively fixedly connected to the ventilation duct 1 and the slider 35. By setting the pressure spring 34, when in use, the pressure spring 34 generates elastic force to squeeze the filter screen 2, thereby facilitating the cleaning of the filter screen 2.

[0024] Specifically, the slider 35 passes through the ventilation duct 1 and is slidably connected to the ventilation duct 1 , and the motor 31 is disposed on the lower surface of the ventilation duct 1 .

[0025] In this embodiment, by providing a motor 31, when in use, the motor 31 drives the rotating rod 33 to rotate, thereby increasing the usability of the device and reducing the difficulty of operating the device.

[0026] Specifically, a blowing device 4 is provided on the lower surface of the ventilation duct 1, and the blowing device 4 includes an air pump 41, which is fixedly connected to the ventilation duct 1, a driving end of the air pump 41 is fixedly connected to a main pipe 44, and a side of the main pipe 44 away from the air pump 41 is fixedly connected to an air pipe 42.

[0027] In this embodiment, by providing the air blowing device 4, it is convenient to blow the dust out of the ventilation duct 1, thereby increasing the usability of the device and reducing the difficulty of using the device.

[0028] Specifically, a side of the air pipe 42 away from the main pipe 44 passes through the ventilation duct 1 , and a nozzle 43 is fixedly connected to a side of the air pipe 42 away from the main pipe 44 .

[0029] In this embodiment, the nozzle 43 is provided to facilitate the movement of the gas, thereby increasing the usability of the device and improving the usability of the device.

[0030] Specifically, there are two nozzles 43, and the two nozzles 43 are arranged in a mirror-symmetrical manner.

[0031] Working principle: by setting the cleaning device 3 and the blowing device 4, when in use, the motor 31 is started, the motor 31 drives the rotating rod 33, the rotating rod 33 pulls the pull rope, the pull rope drives the rod body 36, the rod body 36 drives the slider 35 to move, and then the motor 31 drives the rotating rod 33 to rotate in the opposite direction, at this time the rope body 32 loses its restraint, the pressure spring 34 loses its restraint to generate elastic force to squeeze the filter screen 2 and the ventilation duct 1, the filter screen 2 is driven by the motor 31 to reciprocate, the filter screen 2 is driven to shake continuously, and the dust on the surface of the filter screen 2 is shaken and dropped, at this time the air pump 41 drives the gas to be ejected through the main pipe 44 and the air pipe 42, and the gas from the nozzle 43 blows the shaken dust out of the ventilation duct 1, by setting the utility model, it is convenient to clean the filter screen 2, the usability of the equipment is increased, the situation that the filter screen 2 is blocked by dust and the gas is difficult to enter is reduced, the safety of the equipment is increased, and the stability of the equipment is increased.

Claims

1. A safety ventilation device for mining, comprising a ventilation duct (1) and a cleaning device (3), characterized in that: The surface of the ventilation duct (1) is provided with a filter screen (2); the cleaning device (3) is provided on the lower surface of the ventilation duct (1); the cleaning device (3) comprises a slider (35); the slider (35) is fixedly connected to the filter screen (2); the slider (35) is slidably connected to the ventilation duct (1); a moving rod (37) is fixedly connected to the side of the ventilation duct (1) close to the slider (35); the slider (35) is slidably connected to the moving rod (37); a motor (31) is fixedly connected to the lower surface of the ventilation duct (1); a driving end of the motor (31) is fixedly connected to a rotating rod (33); a rope body (32) is sleeved on the surface of the rotating rod (33); and a rod body (36) is fixedly connected to one side of the slider (35).

2. A safety ventilation device for mining according to claim 1, characterized in that: The side of the rope body (32) away from the rotating rod (33) is fixedly connected to the rod body (36), and the surface of the moving rod (37) is sleeved with a pressure spring (34), and the two ends of the pressure spring (34) are respectively fixedly connected to the ventilation duct (1) and the slider (35).

3. A safety ventilation device for mining according to claim 1, characterized in that: The sliding block (35) passes through the ventilation duct (1) and is slidably connected to the ventilation duct (1), and the motor (31) is disposed on the lower surface of the ventilation duct (1).

4. A safety ventilation device for mining according to claim 1, characterized in that: The lower surface of the ventilation duct (1) is provided with an air blowing device (4), the air blowing device (4) comprising an air pump (41), the air pump (41) being fixedly connected to the ventilation duct (1), the driving end of the air pump (41) being fixedly connected to a main pipe (44), and the side of the main pipe (44) away from the air pump (41) being fixedly connected to an air pipe (42).

5. A safety ventilation device for mining according to claim 4, characterized in that: The side of the air pipe (42) away from the main pipe (44) passes through the ventilation duct (1), and the side of the air pipe (42) away from the main pipe (44) is fixedly connected to a nozzle (43).

6. A safety ventilation device for mining according to claim 5, characterized in that: There are two nozzles (43), and the two nozzles (43) are arranged in a mirror-symmetrical manner.

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