CN214145554U

CN214145554U - Underground small-range ventilation equipment for coal mine

Info

Publication number: CN214145554U
Application number: CN202022781373.0U
Authority: CN
Inventors: 王立伟; 杨彦磊; 王光辉; 顾恬静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-07
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a colliery is with minizone ventilation equipment in pit, the work box comprises a work box body, the top of work box is connected with the motor cover, the inside of motor cover is provided with the motor, the base fixed mounting of motor is at the top of work box, the output shaft fixedly connected with biography band pulley of motor, the inside cover of biography band pulley is equipped with the drive belt. Has the advantages that: the kinetic energy of the motor can be transmitted to the ventilating fan through the transmission belt sleeved on the first belt transmission wheel and the second belt transmission wheel, the ventilating fan is enabled to rotate to ventilate in a blind lane, the smooth ventilation in the blind lane is guaranteed, the water in the water tank is pumped and discharged to the atomizing pipe through the water pump and the water pumping pipe, and therefore the atomizing head on the outer wall of the atomizing pipe sprays water, dust particles in the air led out by the ventilating fan can be effectively reduced, good weather conditions are provided for the blind lane, and the life danger of working personnel during working is reduced as much as possible.

Description

Underground small-range ventilation equipment for coal mine

Technical Field

The utility model relates to a ventilation field specifically is a colliery is with small range ventilation equipment in pit.

Background

The underground operation is adopted in the coal mine production, the working environment is extremely complex, a large amount of gas and toxic and harmful gas are generally accumulated, so that ventilation of workers during underground coal mining is important, the life danger of the workers can be seriously harmed if the ventilation is not smooth, the conventional ventilation equipment simply ventilates the blind roadway, dust particles in the air cannot be treated while the ventilation is carried out, and the conventional ventilation equipment is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is with small range ventilation equipment in pit 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 small-range underground ventilation device for a coal mine comprises a working box, wherein the top of the working box is connected with a motor cover, a motor is arranged in the motor cover, a base of the motor is fixedly installed at the top of the working box, an output shaft of the motor is fixedly connected with a first belt wheel, a transmission belt is sleeved in the first belt wheel, one end, away from the first belt wheel, of the transmission belt is sleeved with a second belt wheel, the middle of the second belt wheel is fixedly connected with a rotating rod, the outer wall of the rotating rod penetrates through a portal frame and is fixedly connected with a ventilation fan, the bottom of the portal frame is fixedly connected to the inner wall of the working box, the second belt wheel, away from the ventilation fan, is arranged in the portal frame, one side, corresponding to the ventilation fan, of the working box is provided with a ventilation opening, a laminate is arranged below the portal frame and is fixedly connected to the inner wall of the working box, a water tank is arranged between the laminate and the inner bottom end of the working box, one side of the motor cover is provided with a water pump, a base of the water pump is fixedly installed at the top of the working box, and the top of the outer wall of the working box corresponding to the ventilation opening is provided with a spraying pipe.

Preferably, the one end of water pump is connected with the drinking-water pipe, the one end setting inside the water tank that the water pump was kept away from to the drinking-water pipe, the other end of water pump is connected with the bleeder line, the sealed intercommunication spray pipe of one end that the water pump was kept away from to the bleeder line.

Preferably, the water tank is communicated with one side of the ventilating fan to form a water return plate, the water return plate penetrates through the working box and is partially arranged outside the working box, and the part of the water return plate arranged outside the working box is not provided with a top.

Preferably, the outer wall of the spray pipe is provided with a spray head, and the spray head is arranged above the water return plate.

Preferably, a bearing is fixedly installed at a section of the portal frame penetrated by the rotating rod, and the outer wall of the rotating rod is fixedly connected with the inside of the bearing.

Preferably, the bottom of the working box is fixedly connected with a damping base.

Preferably, the top of the working box is provided with a driving belt opening, and the driving belt drives in the driving belt opening.

Compared with the prior art, the beneficial effects of the utility model are that: the driving belt on the first belt wheel and the second belt wheel is sleeved with the driving belt, the kinetic energy of the motor can be transmitted to the ventilating fan, the ventilating fan is enabled to ventilate in a blind lane, the smooth ventilation in the blind lane is guaranteed, the water in the water tank is pumped and discharged to the spraying pipe through the water pump pumping pipe, the spraying head on the outer wall of the spraying pipe sprays water, dust particles in air led out by the ventilating fan can be effectively reduced, good weather conditions are provided for the blind lane, the life danger of working personnel during working is reduced as much as possible, the fog drops sprayed by the spraying head are recovered through the water return plate communicated with one side of the water tank, and the water consumption can be recycled.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a schematic structural view of the left side of the present invention;

fig. 3 is a schematic view of the structure of the driving belt opening of the present invention.

In the figure: 1. a work box; 2. a motor cover; 3. a motor; 4. a first belt transmission wheel; 5. a transmission belt; 6. a second belt transmission wheel; 7. a rotating rod; 8. a gantry; 9. a ventilating fan; 10. a vent; 11. laminating the board; 12. a water tank; 13. a water pump; 14. a spray tube; 15. a water pumping pipe; 16. a water discharge pipe; 17. a water return plate; 18. a spray head; 19. a damping mount; 20. and a transmission belt opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a small-scale ventilation equipment in pit for coal mine, which comprises a working box 1, the bottom of the working box 1 is fixedly connected with a shock absorption base 19, the main function of which is to reduce the vibration of the working box 1 by the shock absorption base 19 when a ventilating fan 9 in the working box 1 rotates, the top of the working box 1 is connected with a motor cover 2, the motor 3 is arranged in the motor cover 2, the base of the motor 3 is fixedly arranged on the top of the working box 1, the output shaft of the motor 3 is fixedly connected with a belt transmission wheel one 4, the inside of the belt transmission wheel one 4 is sheathed with a transmission belt 5, the top of the working box 1 is provided with a transmission belt mouth 20, the transmission belt 5 is driven in the transmission belt mouth 20, the main function of the transmission belt is to ensure the transmission of the transmission belt 5 and reduce the air leakage conveyed by the ventilation opening 10, one end of the transmission belt 5 far away from the belt transmission wheel one 4 is sheathed with a belt transmission belt wheel two 6, a rotating rod 7 is fixedly connected to the middle part of the second belt wheel 6, a ventilating fan 9 is fixedly connected to the outer wall of the rotating rod 7 after penetrating through a portal frame 8, a bearing is fixedly installed at the section of the portal frame 8 penetrated by the rotating rod 7, the outer wall of the rotating rod 7 is fixedly connected to the inside of the bearing, the main function of the rotating rod 7 is convenient for the rotating rod 7 to stably and rapidly rotate and can also stabilize the ventilating fan 9, the bottom of the portal frame 8 is fixedly connected to the inner wall of the working box 1, the ventilating fan 9 is arranged in the portal frame 8 far away from the second belt wheel 6, a ventilating opening 10 is formed in one side of the working box 1 corresponding to the ventilating fan 9, a laminate 11 is arranged below the portal frame 8, the laminate 11 is fixedly connected to the inner wall of the working box 1, a water tank 12 is arranged between the laminate 11 and the bottom end inside the working box 1, a water return plate 17 is communicated with one side of the ventilating fan 9, the water return plate 17 penetrates through the working box 1, and the return plate 17 is partially arranged outside the working box 1, the water return plate 17 is arranged at the outer part of the working box 1 without the top, and mainly has the functions that fog drops sprayed by the spray head 18 can be recovered through the water return plate 17 without the top, and the influence caused by the water drops falling on the ground of a blind roadway is prevented, one side of the motor cover 2 is provided with the water pump 13, the base of the water pump 13 is fixedly arranged at the top of the working box 1, one end of the water pump 13 is connected with the water pumping pipe 15, one end, far away from the water pump 13, of the water pumping pipe 15 is arranged in the water tank 12, the other end of the water pump 13 is connected with the water discharge pipe 16, one end, far away from the water pump 13, of the water discharge pipe 16 is hermetically communicated with the spray pipe 14, the outer wall of the spray pipe 14 is provided with the spray head 18, the spray head 18 is arranged above the water return plate 17, and mainly has the functions of pumping the water in the water tank 12 into the spray pipe 14 through the water pump 13, so that the spray head 18 sprays, dust particles in the air are reduced, and good weather conditions are provided for the blind roadway, the top of the outer wall of the work box 1 corresponding to the ventilation opening 10 is provided with a spray pipe 14.

Specifically, when the motor 3 and the water pump 13 are started simultaneously, the motor 3 drives the first belt wheel 4, the transmission belt 5 sleeved on the first belt transmission wheel 4 drives the second belt transmission wheel 6, the rotation of the second belt transmission wheel 6 enables the bearing of the rotating rod 7 in the portal frame 8 to stably and rapidly rotate, the ventilation fan 9 is convenient to rotate to ventilate the blind lane, the smooth ventilation of workers in the blind lane is ensured, the water in the water tank 12 is pumped and discharged to the spray pipe 14 through the water pump 13, the dust particles in the air led out by the ventilating fan 9 are effectively reduced when the spray head 18 sprays, the ventilating fan 9 blows the spray into the blind alley to provide good weather conditions for the blind alley, meanwhile, the life danger of workers during working is reduced as much as possible, and when the spray head 18 sprays, spray water drops can fall on the recovery plate 17 without the top, the spray water droplets are recovered by the recovery plate 17, and the amount of water used can be reduced by recycling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The underground small-range ventilation equipment for the coal mine is characterized by comprising a working box (1), wherein the top of the working box (1) is connected with a motor cover (2), a motor (3) is arranged in the motor cover (2), a base of the motor (3) is fixedly arranged at the top of the working box (1), an output shaft of the motor (3) is fixedly connected with a first belt wheel (4), a driving belt (5) is sleeved in the first belt wheel (4), a second belt wheel (6) is sleeved at one end, far away from the first belt wheel (4), of the driving belt (5), a rotating rod (7) is fixedly connected to the middle of the second belt wheel (6), a ventilating fan (9) is fixedly connected to a portal frame (8) and penetrates through the outer wall of the rotating rod (7), the bottom of the portal frame (8) is fixedly connected to the inner wall of the working box (1), the ventilating fan (9) is far away from the second belt wheel (6) and is arranged in the portal frame (8), vent (10) have been seted up to corresponding work box (1) one side of ventilating fan (9), the below of portal frame (8) is provided with plywood (11), plywood (11) fixed connection is at the inner wall of work box (1), be provided with water tank (12) between plywood (11) and the inside bottom of work box (1), one side of motor cover (2) is provided with water pump (13), the base fixed mounting of water pump (13) is at the top of work box (1), corresponding work box (1) outer wall top of vent (10) is provided with spray pipe (14).

2. A coal mine down-hole short range ventilation apparatus as claimed in claim 1, wherein: the one end of water pump (13) is connected with drinking-water pipe (15), the one end setting of water pump (13) is kept away from in drinking-water pipe (15) is inside water tank (12), the other end of water pump (13) is connected with bleeder (16), the sealed intercommunication spray pipe (14) of one end that water pump (13) were kept away from in bleeder (16).

3. A coal mine down-hole short range ventilation apparatus as claimed in claim 1, wherein: one side intercommunication of water tank (12) and ventilation fan (9) has return water board (17), return water board (17) run through work box (1) just return water board (17) part sets up in work box (1) outside, return water board (17) set up in work box (1) outside part does not have the top.

4. A coal mine down-hole short range ventilation apparatus as claimed in claim 1, wherein: the outer wall of the spray pipe (14) is provided with a spray head (18), and the spray head (18) is arranged above the water return plate (17).

5. A coal mine down-hole short range ventilation apparatus as claimed in claim 1, wherein: the portal frame (8) is fixedly provided with a bearing at the section penetrated by the rotating rod (7), and the outer wall of the rotating rod (7) is fixedly connected with the inside of the bearing.

6. A coal mine down-hole short range ventilation apparatus as claimed in claim 1, wherein: the bottom of the working box (1) is fixedly connected with a damping base (19).

7. A coal mine down-hole short range ventilation apparatus as claimed in claim 1, wherein: a transmission belt opening (20) is formed in the top of the working box (1), and the transmission belt (5) is driven in the transmission belt opening (20).