Mine ventilation device

Abstract

The utility model discloses a mine ventilation device which comprises a ventilation barrel, supporting frames are fixed to the two sides of the interior of the ventilation barrel, fixing sleeves are fixed to the interiors of the supporting frames, motors are installed in the fixing sleeves, fan blades are installed at the output end of one side of each motor, and a filter screen is installed in the ventilation barrel. According to the mine ventilation device, a filter screen, a hydraulic cylinder, a hydraulic rod, a movable plate, a cleaning brush, a collecting box and a blocking piece are used in cooperation, air is sucked into a mine through a ventilation barrel during ventilation, impurities in the air can be filtered out through the filter screen, and therefore the cleanliness of the air entering the mine is improved, and a good mine working environment is created; meanwhile, a switch of a hydraulic cylinder can be turned on regularly, a movable plate is driven to move up and down on one side of the filter screen, dust attached to the surface of the filter screen is cleaned through a cleaning brush, the situation that the ventilation effect is affected by dust blockage is avoided, and falling dust can be discharged by pulling out a blocking piece.

Description

Technical Field

[0001] The utility model relates to the technical field related to mines, in particular to a mine ventilation device. Background Art

[0002] A mine is a general term for shafts, chambers, equipment, ground buildings and structures that form an underground coal mine production system. Inclined shafts, vertical shafts, horizontal shafts, etc. in underground mine development are sometimes also called mines. The size of each mine's field, the determination of the mine's production capacity and service life are one of the key issues that must be resolved in the mine's own design. Mine ventilation refers to the input of fresh air into the mine to increase the oxygen concentration in order to dilute and remove toxic and harmful gases and dust in the mine. Mine ventilation devices are devices used for mine ventilation.

[0003] However, the existing mine ventilation devices do not filter the fresh air when sucking it into the mine, and impurities such as dust in the air will enter the mine through the mine ventilation devices, making it impossible to ensure the cleanliness of the air sucked into the mine. Therefore, the present application provides a mine ventilation device to meet the needs. Utility Model Content

[0004] The purpose of the utility model is to provide a mine ventilation device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mine ventilation device, comprising a ventilation tube, support frames are fixed on both sides of the interior of the ventilation tube, a fixing sleeve is fixed inside the support frame, a motor is installed inside the fixing sleeve, a fan blade is installed on one output end of the motor, a filter is installed inside the ventilation tube, a hydraulic cylinder is installed above the ventilation tube, a hydraulic rod is installed below the hydraulic cylinder, a movable plate is fixed below the hydraulic rod, a cleaning brush is installed on one side of the movable plate, a collection box is provided below the ventilation tube, and a baffle is installed inside the collection box.

[0006] Preferably, protective nets are installed at both ends of the ventilation duct, a fixing rod is fixed to the outside of the protective net, and a fixing bolt passes through one side of the fixing rod.

[0007] Preferably, the protective net is threadedly connected to the ventilation tube via fixing bolts, and the diameter of the protective net is consistent with the inner diameter of the ventilation tube.

[0008] Preferably, the support frames are distributed in a circumferential manner on the outer side of the fixing sleeve, and the support frames are connected to the fixing sleeve by welding.

[0009] Preferably, the fan blades form a rotating structure through a motor and a fixed sleeve, and the central axis of the motor and the fixed sleeve coincide with each other.

[0010] Preferably, the cleaning brush forms a lifting structure through a hydraulic cylinder and a ventilation tube, and the cleaning brush is used in conjunction with a filter.

[0011] Preferably, the baffle is movably connected to the collection box, and the internal dimensions of the baffle and the collection box are consistent.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A mine ventilation device, through the coordinated use of a filter, a hydraulic cylinder, a hydraulic rod, a movable plate, a cleaning brush, a collection box and a baffle, sucks air into the mine through a ventilation tube during ventilation, and the filter can filter impurities in the air, thereby improving the cleanliness of the air entering the mine and creating a good mine working environment. At the same time, the switch of the hydraulic cylinder can be turned on regularly to drive the movable plate to move up and down on one side of the filter, and the dust attached to the surface of the filter can be cleaned by a cleaning brush to avoid dust clogging and affecting the ventilation effect, and the fallen dust can be discharged by pulling out the baffle;

[0014] 2. The mine ventilation device, through the provision of the protective net, the fixing rod and the fixing bolts, can prevent the staff from accidentally touching the fan blades during the rotation of the fan blades, thereby ensuring the personal safety of the staff and effectively improving the safety of the device. The provision of the fixing bolts facilitates the disassembly and assembly of the protective net, making maintenance more convenient.

[0015] 3. This mine ventilation device, through the arrangement of a support frame, a fixing sleeve, a motor and fan blades, clamps and fixes the motor through the support frame and the fixing sleeve, so that the motor can maintain high stability when working. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the protective net of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the fan blade of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the filter screen of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the cleaning brush of the utility model.

[0021] In the figure: 1. ventilator; 2. protective net; 3. fixing rod; 4. fixing bolt; 5. support frame; 6. fixing sleeve; 7. motor; 8. fan blade; 9. filter; 10. hydraulic cylinder; 11. hydraulic rod; 12. movable plate; 13. cleaning brush; 14. collection box; 15. baffle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 The utility model provides a technical solution: a mine ventilation device, including a ventilation tube 1, both ends of the ventilation tube 1 are equipped with a protective net 2, the outer side of the protective net 2 is fixed with a fixing rod 3, one side of the fixing rod 3 is penetrated by a fixing bolt 4, the setting of the protective net 2 can prevent the staff from accidentally touching the fan blade 8 during the rotation of the fan blade 8, thereby ensuring the personal safety of the staff, the protective net 2 is threadedly connected to the ventilation tube 1 through the fixing bolt 4, the diameter of the protective net 2 is consistent with the internal diameter of the ventilation tube 1, the setting of the fixing bolt 4 is convenient for disassembly and assembly of the protective net 2, and the maintenance is relatively convenient, and the inner diameter of the ventilation tube 1 is convenient for disassembly and assembly. Support frames 5 are fixed on both sides of the part. The support frames 5 are distributed in a circle on the outside of the fixing sleeve 6. The support frames 5 and the fixing sleeve 6 are welded. The motor 7 is clamped and fixed by the support frames 5 and the fixing sleeve 6, so that the motor 7 can maintain a high stability when working. The fixing sleeve 6 is fixed inside the support frame 5. The motor 7 is installed inside the fixing sleeve 6. The fan blades 8 are installed on one output end of the motor 7. The fan blades 8 form a rotating structure through the motor 7 and the fixing sleeve 6. The central axis of the motor 7 and the fixing sleeve 6 coincide. Turning on the switch of the motor 7 drives the fan blades 8 to rotate, so that air can be sucked into the mine.

[0024] See also Figure 1 , Figure 4 and Figure 5, a filter screen 9 is installed inside the ventilation tube 1, a hydraulic cylinder 10 is installed above the ventilation tube 1, a hydraulic rod 11 is installed below the hydraulic cylinder 10, a movable plate 12 is fixed below the hydraulic rod 11, and a cleaning brush 13 is installed on one side of the movable plate 12. The cleaning brush 13 forms a lifting structure with the ventilation tube 1 through the hydraulic cylinder 10. The cleaning brush 13 is used in conjunction with the filter screen 9. The filter screen 9 can filter impurities in the air, thereby improving the cleanliness of the air entering the mine and creating a good mine working environment. At the same time, the switch of the hydraulic cylinder 10 can be turned on regularly to drive the movable plate 12 to move up and down on one side of the filter screen 9. The dust attached to the surface of the filter screen 9 is cleaned by the cleaning brush 13 to avoid dust clogging and affecting the ventilation effect. A collecting box 14 is arranged below the ventilation tube 1, and a baffle 15 is installed inside the collecting box 14. The baffle 15 is movably connected to the collecting box 14, and the baffle 15 is consistent with the internal size of the collecting box 14. The fallen dust can be discharged by pulling out the baffle 15.

[0025] Working principle: When using the mine ventilation device, first connect the external power supply, then turn on the switch of the motor 7 to drive the fan blades 8 to rotate, and suck in fresh air from one end of the ventilation tube 1. The filter 9 can filter impurities in the air, thereby improving the cleanliness of the air entering the mine and creating a good mine working environment. The air is discharged from the other end of the ventilation tube 1 to the inside of the mine. Secondly, the setting of the protective net 2 can prevent the staff from accidentally touching the fan blades 8 during the rotation of the fan blades 8, thereby ensuring the personal safety of the staff. Finally, the switch of the hydraulic cylinder 10 can be turned on regularly to drive the movable plate 12 to move up and down on one side of the filter 9. The dust attached to the surface of the filter 9 is cleaned by the cleaning brush 13 to avoid dust clogging and affecting the ventilation effect. The external power supply of the device is cut off when the device is not in use. The model of the motor 7 is 2IK6GN, and the model of the hydraulic cylinder 10 is MOB50. In this way, the use process of the mine ventilation device is completed.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mine ventilation device, comprising a ventilation tube (1), characterized in that: Support frames (5) are fixed on both sides of the interior of the ventilation cylinder (1), a fixing sleeve (6) is fixed inside the support frame (5), a motor (7) is installed inside the fixing sleeve (6), a fan blade (8) is installed at one output end of the motor (7), a filter screen (9) is installed inside the ventilation cylinder (1), a hydraulic cylinder (10) is installed above the ventilation cylinder (1), a hydraulic rod (11) is installed below the hydraulic cylinder (10), a movable plate (12) is fixed below the hydraulic rod (11), a cleaning brush (13) is installed on one side of the movable plate (12), a collection box (14) is arranged below the ventilation cylinder (1), and a baffle (15) is installed inside the collection box (14).

2. A mine ventilation device according to claim 1, characterized in that: Protective nets (2) are installed at both ends of the ventilation cylinder (1), a fixing rod (3) is fixed to the outside of the protective net (2), and a fixing bolt (4) penetrates one side of the fixing rod (3).

3. A mine ventilation device according to claim 2, characterized in that: The protective net (2) is threadedly connected to the ventilation cylinder (1) via fixing bolts (4); the diameter of the protective net (2) is consistent with the inner diameter of the ventilation cylinder (1).

4. A mine ventilation device according to claim 1, characterized in that: The support frame (5) is distributed in a circumferential manner on the outer side of the fixing sleeve (6), and the support frame (5) and the fixing sleeve (6) are connected by welding.

5. A mine ventilation device according to claim 1, characterized in that: The fan blades (8) form a rotating structure through the motor (7) and the fixing sleeve (6), and the central axes of the motor (7) and the fixing sleeve (6) coincide with each other.

6. A mine ventilation device according to claim 1, characterized in that: The cleaning brush (13) forms a lifting structure with the ventilation cylinder (1) through the hydraulic cylinder (10), and the cleaning brush (13) is used in conjunction with the filter screen (9).

7. A mine ventilation device according to claim 1, characterized in that: The baffle (15) is movably connected to the collection box (14), and the internal dimensions of the baffle (15) and the collection box (14) are consistent.

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