CN216566674U

CN216566674U - Coal mine ventilation device with external protection structure

Info

Publication number: CN216566674U
Application number: CN202123301431.6U
Authority: CN
Inventors: 赵宏飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-20
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a coal mine ventilation device with an external protection structure, which relates to the technical field of coal mine ventilation and comprises an air guide cylinder, wherein a filter screen frame is arranged on the inner wall of the air guide cylinder, a plurality of filter screens are arranged in the filter screen frame, a fixing rod is arranged between two sides in the air guide cylinder, a rotating rod is arranged at the bottom end of the fixing rod through a bearing, a fan blade is arranged at the top end of the outer wall of the rotating rod, a driven bevel gear is arranged at the bottom end of the outer wall of the rotating rod, a brush rod is arranged at the bottom end of the rotating rod, the bottom end of the rotating rod extends to the lower part of the filter screen frame, and brushes are arranged at two sides of the top end of the brush rod. According to the utility model, the protective plate is used for shielding and protecting the fragile part of the device and buffering the fragile part when broken stones are smashed, so that the integrity of the device can be effectively protected, and the working effect of the device is prevented from being influenced due to damage.

Description

Coal mine ventilation device with external protection structure

Technical Field

The utility model relates to a coal mine ventilation device with an external protection structure, and belongs to the technical field of underground ventilation.

Background

In order to protect workers working underground and help the workers to breathe fresh air, a common mine is provided with ventilation equipment to exhaust gas in the mine and introduce external gas, the gas is generally conveyed by means of a related pipeline or an air duct, some small stones may be involved in a fan in the underground mine, and a relatively fragile part of the pipeline may be broken by a relatively large stone, so that the device is easy to lose the basic function of the device, and sufficient air cannot be provided for the workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coal mine ventilation device with an external protection structure, which aims to solve the problem that the fragile part of an air duct for conveying air cannot be protected in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a colliery ventilation unit with outside protective structure, includes the air guide cylinder, the filter screen frame is installed to the air guide cylinder inner chamber, and the internally mounted of filter screen frame has the filter screen, the air guide cylinder inner chamber is located filter screen frame upper portion and installs the dead lever, and the rotary rod passes through the bearing and installs on the dead lever, the flabellum is installed on the upper portion of rotary rod, and driven bevel gear is installed to the rotary rod lower part, and the bottom of rotary rod extends to filter screen frame below to be connected with the brush pole, install the brush on the brush pole, the brush corresponds the filter screen, a side wall mounting of air guide cylinder has driving motor, and driving motor's output is connected the initiative bevel gear that is located the air guide cylinder, and initiative bevel gear and driven bevel gear meshing, a plurality of inlet ports have been seted up to the outer wall of air guide cylinder, install a plurality of mount on the air guide cylinder outer wall of inlet port top, the guard plate is installed to the one end of mount, the utility model discloses an installation section of thick bamboo, including air guide cylinder, spout, air guide cylinder, baffle tube, air guide cylinder inner chamber, baffle tube, air guide cylinder inner chamber, air guide cylinder, air guide.

Preferably, the gas cylinder is cuboid in shape, the installation cylinder is cylindrical in shape, and the installation cylinder and the gas cylinder are connected through a disc flange.

Preferably, the shape and the size of the driving bevel gear and the driven bevel gear are the same, and the meshing ratio between the driving bevel gear and the driven bevel gear is 1: 1.

Preferably, the inner wall of the sliding groove is provided with a guide groove, the two ends of the moving block are both provided with guide blocks, and the moving block is in sliding connection with the sliding groove through sliding fit between the guide blocks and the guide groove.

Preferably, the guide pipe is funnel-shaped, and the diameter of the bottom end of the guide pipe is smaller than that of the top end of the guide pipe.

Preferably, the protection plate is connected with the fixing frame in a rotating mode, and the rotating range of the protection plate is 15-35 degrees.

Preferably, every group confession of rubber strip is provided with five altogether, and the rubber strip all is equidistant distribution in one side of guard plate.

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

use the guard plate to shelter from air inlet department, avoid the rubble to pound this department bad, when the rubble pound the top at the guard plate, the rubble at first with the rubber strip contact, is unloaded a part of impact force, the impact force of rubble can make the guard plate rotatory afterwards to cause guard plate extrusion damping spring lever, and carry out the secondary buffering with the help of damping spring lever, the guard plate can not direct contact inflator in the whole of removal, thereby can avoid external rubble to cause the damage to the fragile portion of inflator.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. an air guide cylinder; 2. a fixed mount; 3. a protection plate; 4. mounting the cylinder; 5. a material guide pipe; 6. a moving block; 7. an air inlet; 8. a damping spring rod; 9. a drive motor; 10. fixing the rod; 11. a rubber strip; 12. a fan blade; 13. a driving bevel gear; 14. a driven bevel gear; 15. rotating the rod; 16. a screen frame; 17. a brush rod; 18. a brush; 19. filtering with a screen; 20. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-4, a coal mine ventilation device with an external protection structure comprises an air guide cylinder 1, wherein a filter screen frame 16 is installed on the inner wall of the air guide cylinder 1, a plurality of filter screens 19 are installed inside the filter screen frame 16, a fixing rod 10 is installed between two sides inside the air guide cylinder 1, a rotating rod 15 is installed at the bottom end of the fixing rod 10 through a bearing, fan blades 12 are installed at the top end of the outer wall of the rotating rod 15, a driven bevel gear 14 is installed at the bottom end of the outer wall of the rotating rod 15, a brush rod 17 is installed at the bottom end of the rotating rod 15, which extends to the lower side of the filter screen frame 16, brushes 18 are installed at two sides of the top end of the brush rod 17, a driving motor 9 is installed at one side of the air guide cylinder 1, and a driving bevel gear 13 is installed inside the air guide cylinder 1 at the output end of the driving motor 9; the gas cylinder 1 is cuboid, the mounting cylinder 4 is cylindrical, and the mounting cylinder 4 is in threaded connection with the gas cylinder 1 through a flange plate; the driving bevel gear 13 and the driven bevel gear 14 are the same in shape and size, and the driving bevel gear 13 is meshed with the driven bevel gear 14; the material guiding pipe 5 is funnel-shaped, and the diameter of the bottom end of the material guiding pipe 5 is smaller than that of the top end of the material guiding pipe.

As shown in fig. 1 and 3, filter screen 19 can carry out the separation to some tiny grit in the air in the pit, avoid it to contact with flabellum 12, protect flabellum 12, rotary rod 15 still can drive brush pole 17 when rotatory simultaneously and rotate, thereby make brush 18 and filter screen 19 take place relative movement, the grit of filter screen 19 bottom adhesion is swept away with the help of brush 18, can avoid filter screen 19 to appear blockking up, influence the normal work of device, and the grit that is swept away can fall inside passage 5, install the inside of section of thick bamboo 4 after the direction and concentrate the collection again, follow-up installation section of thick bamboo 4 can carry out centralized processing to it through taking off.

The outer wall of the air guide cylinder 1 is provided with a plurality of air inlet holes 7, the outer wall of the air guide cylinder 1 is provided with a plurality of fixing frames 2, one end of each fixing frame 2 is provided with a protection plate 3, and one side of the protection plate 3 is provided with a plurality of rubber strips 11, the other side of the protection plate 3 is provided with a sliding chute 20, and the sliding grooves 20 are internally provided with moving blocks 6, the bottom ends of the outer walls of the gas cylinders 1 are provided with damping spring rods 8 through hinged parts, and one end of the damping spring rod 8 is connected with one end of the moving block 6 through a hinge piece, the bottom end of the air guide cylinder 1 is provided with the installation cylinder 4, the bottom end of the inner wall of the air guide cylinder 1 is provided with the material guide pipe 5, the bottom end of the material guide pipe 5 extends to the inside of the mounting cylinder 4; the inner wall of the chute 20 is provided with a guide groove, both ends of the moving block 6 are provided with guide blocks, the moving block 6 is in sliding connection with the sliding groove 20 through sliding fit between the guide block and the guide groove; the protection plate 3 is connected with the fixing frame 2 in a rotating mode, the rotation range of the protection plate 3 is 15-35 degrees, five rubber strips 11 are arranged in each group, and the rubber strips 11 are distributed on one side of the protection plate 3 at equal intervals.

As shown in fig. 1, 2 and 4, when the crushed stone is hit on the upper side of the protection plate 3, the crushed stone firstly contacts with the rubber strip 11, a part of impact force is removed, then the impact force of the crushed stone can make the protection plate 3 rotate, so that the protection plate 3 extrudes the damping spring rod 8, secondary buffering is performed by means of the damping spring rod 8, the protection plate 3 cannot directly contact with the gas guide cylinder 1 in the whole moving process, and the damage of the external crushed stone to the fragile part of the gas guide cylinder 1 can be avoided.

When the device is used, the driving motor 9 is firstly started to enable the rotating rod 15 to start rotating by means of the matching of the driving conical gear 13 and the driven conical gear 14, so that the fan blades 12 rotate to generate negative pressure, well air is sucked from the air inlet hole 7, and the sand is discharged after passing through the filter screen 19, the filter screen 19 can block some fine sand in the air in the well, and the sand is prevented from contacting with the fan blades 12, the fan blades 12 are protected, and the rotating rod 15 rotates to drive the brush rod 17 to rotate, thereby leading the brush 18 and the filter screen 19 to move relatively, and the sand adhered to the bottom of the filter screen 19 is swept by the brush 18, thereby avoiding the filter screen 19 from being blocked and influencing the normal work of the device, the swept gravels fall into the material guide pipe 5, are guided and then are collected in the mounting cylinder 4 in a centralized manner, and can be treated in a centralized manner by taking down the mounting cylinder 4; simultaneously guard plate 3 can protect carrying out open-ended air guide cylinder 1 outer wall, prevent that great rubble from pounding the damage that the here caused the device in, when the rubble pounding in the top of guard plate 3, the rubble at first contacts with rubber strip 11, be unloaded a part of impact force, the impact force of rubble can make guard plate 3 rotatory afterwards, thereby cause guard plate 3 extrusion damping spring lever 8, and carry out the secondary buffering with the help of damping spring lever 8, guard plate 3 can not direct contact air guide cylinder 1 in the whole journey of removal, thereby can avoid external rubble to cause the damage to the fragile portion of air guide cylinder 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A coal mine ventilation device with an external protection structure comprises an air guide cylinder (1), and is characterized in that: filter screen frame (16) are installed to air guide cylinder (1) inner chamber, and the internally mounted of filter screen frame (16) has filter screen (19), air guide cylinder (1) inner chamber is located filter screen frame upper portion and installs dead lever (10), and rotary rod (15) are installed on dead lever (10) through the bearing, flabellum (12) are installed on the upper portion of rotary rod (15), and driven conical gear (14) are installed to rotary rod (15) lower part, and the bottom of rotary rod (15) extends to filter screen frame (16) below to be connected with brush pole (17), install brush (18) on brush pole (17), brush (18) correspond filter screen (19), a side wall mounting of air guide cylinder (1) has driving motor (9), and initiative conical gear (13) that lie in air guide cylinder (1) are connected to the output of driving motor (9), and initiative conical gear (13) and driven conical gear (14) mesh, a plurality of inlet ports (7) have been seted up to the outer wall of air cylinder (1), install a plurality of mount (2) on air cylinder (1) outer wall above inlet port (7), guard plate (3) are installed to the one end of mount (2), and a plurality of rubber strip (11) are installed to guard plate (3) up end, and spout (20) have been seted up to the lower terminal surface of guard plate (3), are provided with movable block (6) in spout (20), damping spring rod (8) are installed through the articulated elements in the bottom of air cylinder (1) outer wall, and the other end of damping spring rod (8) passes through the articulated elements and links to each other with movable block (6), install on installation section of thick bamboo (4) the bottom of air cylinder (1) inner chamber, and guide tube (5) are installed to the bottom of air cylinder (1) inner chamber, and the bottom of guide tube (5) extends to in installation section of thick bamboo (4).

2. A coal mine ventilation unit with an external protective structure as claimed in claim 1, wherein: the gas cylinder (1) is cuboid, the installation cylinder (4) is cylindrical, and the gas cylinder (1) and the installation cylinder (4) are connected through a disc flange.

3. A coal mine ventilation unit with an external protective structure as claimed in claim 1, wherein: the driving bevel gear (13) and the driven bevel gear (14) are the same in shape and size.

4. A coal mine ventilation unit with an external protective structure as claimed in claim 1, wherein: the inner wall of the sliding groove (20) is provided with a guide groove, two ends of the moving block (6) are provided with guide blocks, and the guide blocks are in sliding fit with the guide groove.

5. A coal mine ventilation unit with an external protective structure as claimed in claim 1, wherein: the shape of passage (5) is hopper-shaped, and the diameter of passage (5) bottom is less than the diameter at its top.

6. A coal mine ventilation unit with an external protective structure as claimed in claim 1, wherein: rubber strip (11) set up five on guard plate (3), five rubber strip (11) are the equidistant distribution on guard plate (3).