CN212106338U

CN212106338U - Automatic speed regulating device of local ventilator for coal mine

Info

Publication number: CN212106338U
Application number: CN202020316795.8U
Authority: CN
Inventors: 张国威; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-15
Filing date: 2020-03-15
Publication date: 2020-12-08
Anticipated expiration: 2030-03-15

Abstract

The utility model relates to a colliery ventilation blower technical field discloses an automatic speed adjusting device of colliery auxiliary ventilating fan, including the ventilation blower main part, the one end of ventilation blower main part is connected with the breather pipe, and the one end of breather pipe is connected with the room of airing exhaust, one side of the room of airing exhaust is connected with movable shrouding, the spout has all been seted up on the both sides of one side of the room of airing exhaust, one side of the front side of the room of airing exhaust is connected with the mounting box, the square hole has been seted up to one side of mounting box, the motor is installed to one side of the inboard of mounting box, ball is installed to the another. The utility model discloses a motor, mounting box, ball nut, slider, spout, connecting block, roller bearing and movable sealing plate can reciprocate at the opening part of the room of airing exhaust through with movable sealing plate to shelter from the room open-ended area of airing exhaust with changing movable sealing plate, thereby in order to adjust the air displacement of the room of airing exhaust, thereby improved this automatic speed adjusting device's practicality.

Description

Automatic speed regulating device of local ventilator for coal mine

Technical Field

The utility model relates to a colliery ventilation blower technical field specifically is a colliery auxiliary ventilating fan automatic speed adjusting device.

Background

The ventilation of the coal mine refers to inputting fresh air into the underground of the coal mine, increasing the oxygen concentration, diluting and removing toxic and harmful gases and dust in the coal mine, and the basic task of the ventilation of the coal mine is as follows: enough fresh air is supplied to the underground to meet the requirement of personnel on oxygen; dilute harmful gas and dust in the well, ensure safe production, adjust underground climate and create good working environment. Ventilators are one of the important devices that assist in ventilating the interior of a coal mine.

At present, various automatic speed adjusting devices for local ventilators in coal mines exist in the market, but the speed adjusting devices generally have the defects that the air discharge capacity of the ventilators cannot be conveniently adjusted, and dust filtration nets of ventilation openings cannot be conveniently replaced or cleaned. Therefore, the technical personnel in the field provide an automatic speed regulating device for a local ventilator in a coal mine to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery auxiliary ventilating fan automatic speed adjusting device 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:

the utility model provides a colliery auxiliary ventilating fan automatic speed adjusting device, includes the ventilation blower main part, the one end of ventilation blower main part is connected with the breather pipe, and the one end of breather pipe is connected with the room of airing exhaust, one side of the room of airing exhaust is connected with movable sealing plate, the spout has all been seted up on the both sides of one side of the room of airing exhaust, one side of the front side of the room of airing exhaust is connected with the mounting box, the square hole has been seted up to one side of mounting box, the motor is installed on one side of the inboard of mounting box, ball is installed to the another side of the inboard of mounting box, ball nut has been cup jointed in ball's the outside, ball nut's the outside is connected.

As a further aspect of the present invention: the utility model discloses a wind turbine generator, including the room of airing exhaust, the inboard bottom of the room of airing exhaust is close to the position of connecting plate and has offered the slot, the both sides on the top of connecting plate all are connected with stop screw, first screw has all been seted up on the both sides on the top of connecting plate, the second screw has all been seted up on the both sides of the bottom of recess.

As a further aspect of the present invention: the junction of ball and mounting box is provided with the roller bearing, ball's one end is connected with the roller bearing, ball's the other end is connected with the output shaft of motor.

As a further aspect of the present invention: the connecting block sets up the inside at the square hole, the one end of connecting block is connected with ball nut's the outside, the other end of connecting block is connected with one side of activity shrouding.

As a further aspect of the present invention: the slider is connected with the inboard of spout, the activity shrouding passes through slider and spout sliding connection with the chamber of airing exhaust.

As a further aspect of the present invention: the connecting plate sets up in the inside of recess, stop screw runs through the inside at first screw and second screw in proper order, the connecting plate passes through stop screw, first screw and second screw fastening connection with the room of airing exhaust.

As a further aspect of the present invention: the top of the dust filter screen plate is connected with the bottom of the connecting plate, and the bottom of the dust filter screen plate is connected with the inside of the slot.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through motor, mounting box, ball nut, slider, spout, connecting block, roller bearing and movable sealing plate, can reciprocate through the opening part with movable sealing plate at the room of airing exhaust to shelter from the room open-ended area of airing exhaust in order to change movable sealing plate, thereby in order to adjust the air displacement of the room of airing exhaust, thereby improved this automatic speed adjusting device's practicality.

2. Through first screw, second screw, stop screw, slot, recess and connecting plate, can be convenient shift out the exhaust chamber with connecting plate and dust filter screen plate so that the clearance or change dust filter screen plate to this automatic speed adjusting device's practicality has been improved.

Drawings

FIG. 1 is a schematic structural diagram of an automatic speed regulating device of a local ventilator of a coal mine;

FIG. 2 is a side partial cross-sectional view of a movable sealing plate and a mounting box in an automatic speed adjusting device of a local ventilator for a coal mine;

FIG. 3 is a side partial cross-sectional view of an exhaust chamber and a dust filter screen in an automatic governor device for a local ventilator in a coal mine;

fig. 4 is an enlarged view of a in an automatic governor for a local ventilator for a coal mine.

In the figure: 1. a chute; 2. a movable closing plate; 3. a slider; 4. a connecting plate; 5. an exhaust chamber; 6. a breather pipe; 7. a ventilator main body; 8. mounting a box; 9. a square hole; 10. connecting blocks; 11. a ball nut; 12. a ball screw; 13. a motor; 14. a dust filter screen plate; 15. a slot; 16. a groove; 17. a first screw hole; 18. a second screw hole; 19. and a limiting screw rod.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, an automatic speed adjusting device of colliery auxiliary ventilating fan, including ventilation blower main part 7, the one end of ventilation blower main part 7 is connected with breather pipe 6, and the one end of breather pipe 6 is connected with air exhaust chamber 5, one side of air exhaust chamber 5 is connected with movable sealing plate 2, spout 1 has all been seted up on the both sides of one side of air exhaust chamber 5, one side of the front side of air exhaust chamber 5 is connected with mounting box 8, square hole 9 has been seted up to one side of mounting box 8, motor 13 is installed to one side of the inboard of mounting box 8, ball 12 is installed to the another side of mounting box 8, ball nut 11 has been cup jointed in ball 12's the outside, ball nut 11's the outside is connected with connecting block 10, slider 3 is.

In fig. 1, 3 and 4: the top end of the air exhaust chamber 5 is connected with a connecting plate 4, the top end of the air exhaust chamber 5 is provided with a groove 16 near the connecting plate 4, the inner side of the air exhaust chamber 5 is connected with a dust filter screen plate 14, the bottom of the inner side of the air exhaust chamber 5 is provided with a slot 15 near the dust filter screen plate 14, both sides of the top end of the connecting plate 4 are connected with a limit screw 19, both sides of the top end of the connecting plate 4 are provided with first screw holes 17, both sides of the bottom of the groove 16 are provided with second screw holes 18, so that when the dust filter screen plate 14 needs to be replaced or cleaned, firstly, the two limit screws 19 can be sequentially rotated out of the second screw hole 18 formed on the exhaust chamber 5 and the first screw hole 17 formed on the connecting plate 4, the web 4 is then removed from the exhaust chamber 5 to facilitate cleaning or replacement of the dust screen 14 by holding the web 4 and pulling the web 4 out of the interior of the slot 15 and exhaust chamber 5.

In fig. 2: the junction of ball 12 and mounting box 8 is provided with the roller bearing, and ball 12's one end is connected with the roller bearing, and ball 12's the other end is connected with motor 13's output shaft to motor 13's output shaft can drive its ball 12 of connecting and rotate between roller bearing and motor 13, makes ball nut 11 move on ball 12.

In fig. 2: the connecting block 10 sets up in the inside of square hole 9, and the one end of connecting block 10 is connected with ball nut 11's the outside, and the other end of connecting block 10 is connected with one side of activity shrouding 2 to can make connecting block 10 drive the activity of activity shrouding 2.

In fig. 1: slider 3 is connected with the inboard of spout 1, and activity shrouding 2 passes through slider 3 and 1 sliding connection of spout with exhaust chamber 5 to the air displacement in order to adjust exhaust chamber 5 is removed at the opening part of exhaust chamber 5 that activity shrouding 2 can be convenient.

In fig. 4: the connecting plate 4 is arranged in the groove 16, the limiting screw rod 19 sequentially penetrates through the first screw hole 17 and the second screw hole 18, and the connecting plate 4 and the exhaust chamber 5 are fixedly connected through the limiting screw rod 19, the first screw hole 17 and the second screw hole 18, so that the connecting plate 4 can be conveniently fixed on the exhaust chamber 5 to enable the dust filter screen plate 14 to be stably arranged in the exhaust chamber 5.

In fig. 3: the top end of the dust filter screen plate 14 is connected with the bottom end of the connecting plate 4, and the bottom end of the dust filter screen plate 14 is connected with the inside of the slot 15, so that the dust filter screen plate 14 can be stably arranged inside the exhaust chamber 5 to filter dust in air.

The utility model discloses a theory of operation is: when the automatic speed regulating device is used for regulating the air displacement of the ventilator main body 7, firstly, the exhaust chamber 5 and the air pipe 6 can be fixedly installed together, when the ventilator main body 7 works, the air displacement of the exhaust chamber 5 can be regulated by regulating the position of the movable sealing plate 2 at the opening of the exhaust chamber 5, at the moment, the motor 13 is turned on, the output shaft of the motor 13 drives the ball screw 12 connected with the motor to rotate between the roller and the motor 13, the ball nut 11 moves on the ball screw 12, so that the ball nut 11 drives the movable sealing plate 2 connected with the connecting block 10 and the connecting block 10 to move up and down at the opening of the exhaust chamber 5 under the action of the sliding chute 1 and the sliding block 3, so that the area of the movable sealing plate 2 shielding the opening of the exhaust chamber 5 is changed, so as to regulate the air displacement of the exhaust chamber 5, and when the dust filtering screen plate 14 needs to be replaced or cleaned, firstly, the two limit screw rods 19 are sequentially rotated out of the second screw holes 18 arranged on the Screw holes 17, then, the connecting plate 4 is moved out of the exhaust chamber 5 to clean or replace the dust filter plate 14 by holding the connecting plate 4 and pulling the connecting plate 4 out of the slot 15 and the inside of the exhaust chamber 5.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a colliery auxiliary ventilating fan automatic speed adjusting device, includes ventilation blower main part (7), its characterized in that, the one end of ventilation blower main part (7) is connected with breather pipe (6), and the one end of breather pipe (6) is connected with exhaust chamber (5), one side of exhaust chamber (5) is connected with movable shrouding (2), spout (1) have all been seted up on both sides of one side of exhaust chamber (5), one side of the front side of exhaust chamber (5) is connected with mounting box (8), square hole (9) have been seted up to one side of mounting box (8), motor (13) are installed to one side of the inboard of mounting box (8), ball (12) are installed to the another side of the inboard of mounting box (8), ball (11) have been cup jointed in the outside of ball (12), the outside of ball (11) is connected with connecting block (10), and sliding blocks (3) are arranged on two sides of one side of the movable sealing plate (2).

2. The automatic speed regulating device of the local ventilator of the coal mine according to claim 1, characterized in that the top end of the air exhaust chamber (5) is connected with a connecting plate (4), a groove (16) is formed in the position, close to the connecting plate (4), of the top end of the air exhaust chamber (5), the inner side of the air exhaust chamber (5) is connected with a dust filter screen plate (14), a slot (15) is formed in the position, close to the dust filter screen plate (14), of the bottom of the inner side of the air exhaust chamber (5), both sides of the top end of the connecting plate (4) are connected with a limiting screw rod (19), first screw holes (17) are formed in both sides of the top end of the connecting plate (4), and second screw holes (18) are formed in both sides of the bottom of the.

3. The automatic speed regulating device of the local ventilator for the coal mine is characterized in that a rolling shaft is arranged at the joint of the ball screw (12) and the mounting box (8), one end of the ball screw (12) is connected with the rolling shaft, and the other end of the ball screw (12) is connected with an output shaft of the motor (13).

4. The automatic speed regulating device of the local ventilator for the coal mine according to claim 1, characterized in that the connecting block (10) is arranged inside the square hole (9), one end of the connecting block (10) is connected with the outer side of the ball nut (11), and the other end of the connecting block (10) is connected with one side of the movable closing plate (2).

5. The automatic speed regulating device of the local ventilator for the coal mine according to claim 1, characterized in that the sliding block (3) is connected with the inner side of the sliding groove (1), and the movable sealing plate (2) is connected with the exhaust chamber (5) in a sliding way through the sliding block (3) and the sliding groove (1).

6. The automatic speed regulating device of the local ventilator for the coal mine according to claim 2, characterized in that the connecting plate (4) is arranged inside the groove (16), the limit screw (19) sequentially penetrates through the inside of the first screw hole (17) and the second screw hole (18), and the connecting plate (4) is tightly connected with the exhaust chamber (5) through the limit screw (19), the first screw hole (17) and the second screw hole (18).

7. The automatic speed regulating device of the local ventilator for the coal mine according to claim 2, characterized in that the top end of the dust filter screen plate (14) is connected with the bottom end of the connecting plate (4), and the bottom end of the dust filter screen plate (14) is connected with the inside of the slot (15).