CN211650625U

CN211650625U - Underground ventilation device

Info

Publication number: CN211650625U
Application number: CN201922027485.4U
Authority: CN
Inventors: 吕斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-10-09
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a ventilation device in pit discloses one kind can clean the dust screen at the ventilation in-process, and cleans the air current passageway that is located the fan and avoids the dust to blow the supplementary ventilation device of reattaching on the dust screen down again outside the air current. Can carry out automatic clearance to the dust screen of ventilation pipe department, need not the manual work and clear up, use manpower sparingly. The bottom of connecting pipe is arranged in to its characterized in that set casing, open the bottom of set casing has the kerve, and kerve intercommunication set casing and connecting pipe, and the motor is fixed to be arranged in the one end of set casing, the pivot of motor stretches out the set casing other end through the bearing, and the dust screen is arranged in the pivot and is served, and the dust screen outer lane is arranged in to the mount, and the round that distributes around the dust screen, the connecting pipe is close to one end department and opens logical groove, and mount and dust screen pass logical groove on the connecting pipe, and the one end of two cleaning rods is connected with the one end of connecting pipe, the other end of cleaning rod extends to the mount position.

Description

Underground ventilation device

Technical Field

The utility model relates to an underground ventilation device relates to one kind and installs in the mouth of pipe position of ventilating, and supplementary ventilation's device that carries on belongs to the coal mine equipment field. In particular to an auxiliary ventilation device which can clean a dust screen in the ventilation process and prevent dust from being adhered to the dust screen again under the blowing of air flow outside an air flow channel of a fan.

Background

Mine ventilation can ensure the health and labor safety of underground operators, because a large amount of dust is accompanied in the coal mining process, the traditional ventilation pipeline adopts a detachable dust screen to intercept the dust, the dust screen is easy to block due to long-time dust, and the personnel need to be arranged to overhaul and clean regularly, which is inconvenient, and the prior notice No. CN209163853U discloses a coal mine underground ventilation device, which comprises a ventilation pipe, the right end of the ventilation pipe is fixedly communicated with an air inlet cover, the inner wall of the air inlet cover is fixedly provided with a dust baffle, the left end of the bottom surface of the ventilation pipe is fixedly provided with a dust collection box, a round frame positioned at the left side of the dust collection box is fixedly arranged between the upper surface and the lower surface of the inner cavity of the ventilation pipe, the device cleans the dust of the dust screen by adding a brush on a fan, but the dust is cleaned in an airflow, the dust cleaned by the brush is easily blown by airflow and re-adhered to the dust screen, so that the actual cleaning effect is poor.

Disclosure of Invention

In order to improve the condition, the utility model relates to a ventilation device in pit provides one kind and can clean the dust screen at the ventilation in-process, and cleans the air current passageway that is located the fan and avoids the dust to blow the supplementary ventilation device of reattaching on the dust screen down again under the air current. Can carry out automatic clearance to the dust screen of ventilation pipe department, need not the manual work and clear up, use manpower sparingly.

The utility model relates to a ventilation device in pit realizes like this: the utility model relates to a downhole ventilation device, which comprises a connecting pipe, a flange plate, a fixing frame, a dustproof net, cleaning rods, a fan, a fixing shell, a bracket, a fan blade shaft, a first gear, a chain, a motor, a second gear and a rotating shaft, wherein the fixing shell is arranged at the bottom of the connecting pipe, the bottom of the fixing shell is provided with a bottom groove which is communicated with the fixing shell and the connecting pipe, the motor is fixedly arranged in one end of the fixing shell, the rotating shaft of the motor extends out of the other end of the fixing shell through a bearing, the dustproof net is arranged at one end of the rotating shaft, the fixing frame is arranged on the outer ring of the dustproof net and is distributed around the dustproof net, the connecting pipe is provided with a through groove near one end, the fixing frame and the dustproof net pass through the through groove on the connecting pipe, one ends of the two cleaning rods are connected with one end of the connecting pipe, and brush and dust screen contact, No. two gear sleeves arrange in the pivot of motor in, and be located the set casing, on the connecting tube inner wall was arranged in to the support is fixed, on the support was arranged in to the one end of flabellum axle through the bearing, on the fan cover was arranged in the other end of flabellum axle, on the flabellum axle was arranged in to a gear sleeve, a gear was located No. two gears directly over, a gear and No. two gears are connected through the chain, and the flange dish is arranged in on the other end of connecting tube, the brush is the scrubbing brush, the central point of dust screen is platelike structure, and is connected with motor shaft one end.

Has the beneficial effects.

The dust screen of ventilation pipe department can be cleared up automatically, need not the manual work and clears up, uses manpower sparingly.

Secondly, the dust screen can be cleaned on the outer side, so that dust cannot be sucked into the pipeline again due to the influence of air flow.

And thirdly, the dust screen is cleaned through clear water, so that the dust screen adhesion capability is improved while the dust screen is cleaned, and the dust-proof effect is guaranteed.

Drawings

Fig. 1 is a three-dimensional structure diagram of an underground ventilation device of the present invention;

fig. 2 is a schematic structural view of an underground ventilation device of the present invention;

fig. 3 is a perspective view of an embodiment 2 of the underground ventilation device of the present invention.

In the attached drawings

Wherein the method comprises the following steps: connecting pipe 1, ring flange 2, mount 3, dust screen 4, cleaning rod 5, fan 6, set casing 7, support 8, flabellum axle 9, No. one gear 10, chain 11, motor 12, No. two gears 13, pivot 14, clearance shell 15, connecting rod 16.

The specific implementation mode is as follows:

example 1:

the utility model relates to a downhole ventilation device, which is composed of a connecting pipe 1, a flange plate 2, a fixing frame 3, a dust screen 4, a cleaning rod 5, a fan 6, a fixed shell 7, a bracket 8, a fan blade shaft 9, a gear 10, a chain 11, a motor 12, a gear 13 and a rotating shaft 14, wherein the fixed shell 7 is arranged at the bottom of the connecting pipe 1, the bottom of the fixed shell 7 is provided with a bottom groove which is communicated with the fixed shell 7 and the connecting pipe 1, the motor 12 is fixedly arranged in one end of the fixed shell 7, the rotating shaft 14 of the motor 12 extends out of the other end of the fixed shell 7 through a bearing, the dust screen 4 is arranged at one end of the rotating shaft 14, the fixing frame 3 is arranged at the outer ring of the dust screen 4 and is distributed for a circle around the dust screen 4, the connecting pipe 1 is provided with a through groove near one end, the fixing frame 3 and the dust screen 4 pass through the through groove on the connecting pipe 1, one, the other end of cleaning rod 5 extends to mount 3 positions, cleaning rod 5 has been put the brush on being close to 4 sides of dust screen, and brush and dust screen 4 contact, and No. two gear 13 overlaps arranges in on motor 12's pivot 14, and is located set casing 7, and on 1 inner wall of connecting pipe was arranged in to support 8 is fixed, on support 8 was arranged in to the one end of flabellum axle 9 through the bearing, on fan 6 overlaps and arranges flabellum axle 9's the other end in, No. one gear 10 overlaps and arranges flabellum axle 9 in, No. one gear 10 is located No. two gear 13 directly over, No. one gear 10 and No. two gear 13 are connected through chain 11, chain 11 passes from the kerve, and flange plate 2 arranges in on connecting pipe 1's the other end, the brush is the scrubbing brush, the central point of dust screen 4 is plate structure, and is connected with motor 12 pivot 14 one end.

When in use, a person firstly installs the connecting pipe 1 at the position of the vent pipe orifice through the flange 2, when ventilation is carried out, the person starts the motor 12, the rotating shaft 14 of the motor 12 drives the second gear 13 to rotate, the second gear 13 drives the first gear 10 to rotate through the chain 11, further, the first gear 10 drives the fan blade shaft 9 to rotate, the fan blade shaft 9 drives the fan 6 to rotate for ventilation, external air is pumped into the connecting pipe 1, meanwhile, the motor 12 drives the dust screen 4 to rotate by the rotating shaft 14, when the rotating dust screen 4 passes through the cleaning rod 5, the brush on the cleaning rod 5 cleans the dust on the dust screen 4, and the cleaning rod 5 is positioned outside the air flow channel of the fan 6, so as to avoid the cleaned dust from being adsorbed on the dust screen 4 again, and then clean dust screen 4 simultaneously ventilating work, avoid dust screen 4 to block up, clear up effectually.

Example 2:

the difference between this example and example 1 is: a cleaning shell 15 is sleeved outside the lower half part of the dustproof net 4, the cleaning shell 15 is connected with the other ends of the two cleaning rods 5, and the cleaning shell 15 is a semicircular shell; during the use, can have irritated the clear water in clearance shell 15 inside, when dust screen 4 rotated, the dust on the dust screen 4 of the inside clear water of clearance shell 15 rotation is cleared up, and is clean efficient.

The purposes of cleaning the dust screen 4 in the ventilation process and preventing dust from being adhered to the dust screen 4 again under the blowing of air flow are achieved by cleaning the air flow channel outside the fan 6.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the present invention, i.e. all equivalent modifications made according to the present invention should be covered by the scope of the present invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A downhole ventilation device is characterized in that: the cleaning device comprises a connecting pipe, a flange plate, a fixing frame, a dust screen, cleaning rods, a fan, a fixing shell, a support, a fan blade shaft, a first gear, a chain, a motor, a second gear and a rotating shaft, wherein the fixing shell is arranged at the bottom of the connecting pipe, a bottom groove is formed in the bottom of the fixing shell and is communicated with the fixing shell and the connecting pipe, the motor is fixedly arranged in one end of the fixing shell, the rotating shaft of the motor extends out of the other end of the fixing shell through a bearing, the dust screen is arranged on one end of the rotating shaft, the fixing frame is arranged on an outer ring of the dust screen, a through groove is formed in a position, close to one end, of the connecting pipe, the fixing frame and the dust screen penetrate through the through groove in the connecting pipe, one ends of the two cleaning rods are connected with one end of the connecting pipe, a brush is arranged on one side face, close to the dust screen, one end of the fan blade shaft is arranged on the support through the bearing, the fan sleeve is arranged at the other end of the fan blade shaft, the first gear is arranged on the fan blade shaft in a sleeved mode, the first gear is located right above the second gear, the first gear is connected with the second gear through the chain, and the flange plate is arranged at the other end of the connecting pipe.

2. A downhole ventilation and air exchange device according to claim 1, wherein the dust screen has a plate-like structure at a central position thereof and is connected to one end of the rotating shaft of the motor.

3. A downhole ventilation apparatus as claimed in claim 1, wherein said brushes are scrubbing brushes.

4. A downhole ventilation device according to claim 1, wherein the other end of the sweep bar extends to a fixed mount location.

5. A downhole ventilation device according to claim 1, wherein the holder is distributed around the dust screen.