CN221256845U - Ventilation device for coal mine safety - Google Patents

Abstract

The utility model discloses a ventilation device for coal mine safety, which belongs to the technical field of coal mine ventilation, and comprises an exhaust pipeline, wherein the inner wall of the exhaust pipeline is fixedly connected with a mounting frame matched with the inner cavity of the exhaust pipeline, the inner end of the mounting frame is provided with a servo motor, the output end of the servo motor is fixedly connected with a reciprocating screw rod, one end of the reciprocating screw rod, which is far away from the servo motor, is rotationally connected with the mounting frame, and the inner side of the mounting frame is respectively provided with a vibration assembly and a filter plate assembly.

Description

Ventilation device for coal mine safety

Technical Field

The utility model relates to the technical field of coal mine ventilation, in particular to a ventilation device for coal mine safety.

Background

Mine ventilation refers to a general term of a mine ventilation mode and a ventilation network, the ventilation modes are divided into a central mode, a diagonal mode, a partition mode and a mixed mode, the mine ventilation method refers to a working method of a main ventilator for supplying air to a mine, and a ventilation device is used during ventilation of the mine.

Chinese patent grant bulletin number: CN218062356U provides a ventilation device for coal mine safety, the scheme is provided with two filter plates, the filtering effect is better, and two moving plates are respectively arranged on the two filter plates, and bristles attached to the filter plates are arranged on the moving plates, so that the filter plates can be cleaned; the impurities cleaned out of the filter plate are collected by the blanking pipe and the bottom cover, and the collected impurities are conveniently cleaned after the bottom cover is pulled out from the bottom end of the blanking pipe; the motor is arranged to drive the fan blade at one end of the rotating rod to rotate and ventilate, and simultaneously, the brush hair on the moving plate is automatically driven to be tightly adhered to the filter plate to move back and forth through the curved rod for cleaning; the position of the vent pipe, which is positioned on the filter plate, is hinged with a rotating cover, and after the rotating cover is opened, the brush hair after long-time use can be conveniently replaced.

However, a large amount of dust exists in the coal mine, the dust can enter the ventilation device, a large amount of dust can be accumulated on the filter plate in the ventilation device after the ventilation device is used for a long time, the dust can block the vent holes on the filter plate to influence the ventilation effect in the coal mine, the scheme cleans the filter plate through the brush, and only the dust on the surface of the filter plate can be removed, but the blocked vent holes cannot be treated, so that the ventilation device for coal mine safety is provided for solving the problems.

Disclosure of utility model

1. Technical problem to be solved

The utility model aims to solve the problems in the prior art and provide a ventilation device for coal mine safety, the ventilation device is matched with a filter plate assembly through a vibration assembly, so that a movable block can continuously reciprocate on the upper side of the filter plate in the ventilation process, dust accumulated on the surface of the filter plate is removed through a roller, the filter plate is continuously vibrated through the roller, the dust blocked in a vent hole on the filter plate can timely fall off through vibration, the dust is prevented from being blocked in the vent hole due to long-time accumulation, the ventilation effect is further improved, and the practicability of the ventilation device is improved.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a ventilation unit for colliery safety, includes exhaust duct, exhaust duct inner wall fixedly connected with and exhaust duct inner chamber assorted installing frame, servo motor is installed to the inner of installing frame, servo motor output fixedly connected with reciprocating screw, reciprocating screw keeps away from servo motor one end and is connected with installing frame rotation, the installing frame inboard is provided with vibration subassembly and filter plate subassembly respectively, the filter plate subassembly includes the filter plate, filter plate and installing frame assorted.

Further, a plurality of vibrations pieces of fixedly connected with on the filter plate, a plurality of vibrations piece equidistance is arranged, and a plurality of vibrations pieces are two and are listed as the border position of two rows distribution on the filter plate upper surface.

Further, the vibration assembly comprises a movable block, the upper end of the movable block is fixedly connected with a connecting block, the connecting block is matched with the reciprocating screw rod, the inner end of the mounting frame is fixedly connected with a limiting rod, and the connecting block is in sliding connection with the limiting rod.

Further, both ends of the movable block are rotatably connected with rollers, rubber strips are arranged at the inner ends of the movable block, and the rollers and the rubber strips are abutted against the upper surface of the filter plate.

Further, the filter plate is in sliding connection with the inner wall of the installation frame, and the bottom end of the filter plate is fixedly connected with a plurality of springs, and the bottom ends of the springs are fixedly connected with the installation frame.

Further, a plurality of elastic ropes are arranged at the bottom end of the filter plate, and counterweight balls are arranged at the bottom ends of the elastic ropes.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

This scheme is used through vibrations subassembly and filter plate subassembly cooperation, can make this device last at filter plate upside reciprocating motion in the process of taking a breath movable block, and then gets rid of filter plate surface accumulational dust through the gyro wheel to last ground vibrations to the filter plate through the gyro wheel, in time drop through the dust that blocks up in the air vent on the vibrations can make the filter plate, avoid long-time accumulation to make the dust block up in the air vent, and then promoted ventilation effect, promoted this device practicality.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a vibration assembly according to the present utility model;

Fig. 3 is a schematic view of the structure of the filter plate assembly of the present utility model.

The reference numerals in the figures illustrate:

1. an exhaust duct;

2. A mounting frame;

3. A servo motor;

4. A reciprocating screw rod;

5. a limit rod;

6. A vibration assembly; 601. a movable block; 602. a roller; 603. a rubber strip; 604. a connecting block;

7. A filter plate assembly; 701. a filter plate; 702. a vibrating block; 703. a spring; 704. and (5) a counterweight ball.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

Referring to fig. 1, a ventilation device for coal mine safety comprises an exhaust pipeline 1, wherein an installation frame 2 matched with an inner cavity of the exhaust pipeline 1 is fixedly connected to the inner wall of the exhaust pipeline 1, a servo motor 3 is installed at the inner end of the installation frame 2, a reciprocating screw 4 is fixedly connected to the output end of the servo motor 3, one end, far away from the servo motor 3, of the reciprocating screw 4 is rotationally connected with the installation frame 2, a vibration assembly 6 and a filter plate assembly 7 are respectively arranged on the inner side of the installation frame 2, the filter plate assembly 7 comprises a filter plate 701, and the filter plate 701 is matched with the installation frame 2.

There is a large amount of dust in the colliery, these dust can get into ventilation unit, after long-time use, can accumulate a large amount of dust on the filter plate in ventilation unit, the air vent on these dust can block up the filter plate, influence the ventilation effect in the colliery, in this scheme, exhaust duct 1 sets up inside the colliery, exhaust duct 1's one end is connected with the ventilation unit that is located the colliery outside, can take out the air in the colliery through starting the setting of taking a breath, and carry fresh air to the colliery inside simultaneously, realize ventilation in the colliery, this scheme is provided with vibration subassembly 6, use through vibration subassembly 6 and filter plate subassembly 7 cooperation, can get rid of the dust that the filter plate 701 surface was piled up, and shake continuously filter plate 701, can make the dust of the jam in the air vent on the filter plate 701 in time drop through vibrations, avoid long-time piling up and make the dust jam in the air vent.

Referring to fig. 2, the upper end of the filter plate 701 is fixedly connected with a plurality of vibration blocks 702, the plurality of vibration blocks 702 are arranged at equal intervals, the plurality of vibration blocks 702 are distributed at the edge positions of the upper surface of the filter plate 701 in two rows, the vibration assembly 6 comprises a movable block 601, the upper end of the movable block 601 is fixedly connected with a connecting block 604, the connecting block 604 is matched with a reciprocating screw 4, the inner end of the installation frame 2 is fixedly connected with a limit rod 5, the connecting block 604 is in sliding connection with the limit rod 5, two ends of the movable block 601 are rotatably connected with rollers 602, rubber strips 603 are mounted at the inner end of the movable block 601, the rollers 602 and the rubber strips 603 are abutted against the upper surface of the filter plate 701, the filter plate 701 is in sliding connection with the inner wall of the installation frame 2, and the bottom end of the filter plate 701 is fixedly connected with a plurality of springs 703, and the bottom ends of the springs 703 are fixedly connected with the installation frame 2.

In this scheme, can take out the air in the colliery through exhaust duct 1 through starting outside breather, and carry fresh air to the colliery inside simultaneously, the filter plate 701 can be in the in-process of extracting air, block the dust in the most colliery, avoid the dust to be inhaled outside breather in, in the in-process of taking a breath, start servo motor 3 and drive reciprocating screw 4 and rotate, reciprocating screw 4 can drive connecting block 604 and carry out reciprocating motion in the outer end of reciprocating screw 4, connecting block 604 slides on gag lever post 5 in the removal in-process, and then guarantee connecting block 604 moving process's stability, connecting block 604 drives movable block 601 and removes, movable block 601 drives rubber strip 603 and scrapes repeatedly at filter plate 701 upper surface, will pass the dust propelling movement to filter plate 701 both sides at filter plate 701 upper surface at filter plate 701, make the dust fall back in the space of filter plate 701 both sides again, avoid the dust to pile up at filter plate 701 surface, in the in-process that movable block 601 removed, can drive the gyro wheel 602 at its both ends and roll on filter plate 701 upper surface, the gyro wheel 602 can follow a plurality of vibrations piece 702 upper end and roll over, connecting block 702 upper end sets up into, in the removal of filter plate 602 is at the time, and the inside of filter plate 602 is realized in time, can be pushed down the filter plate 602 and the filter plate 602 is formed and is pushed down at the filter plate 701 through the frame 602 and is pushed down to the time when the filter plate 701 is pushed down to the filter plate 602 and is pushed down to the filter plate 701 and is pushed down, and the filter plate 701 is pushed down, and the filter plate is made to the inside down to the filter plate 701 and is pushed down to the dust has the life down.

Referring to fig. 3, a plurality of bungee cords are mounted at the bottom end of the filter plate 701, and weighted balls 704 are mounted at the bottom ends of the bungee cords.

In the process of continuous vibration of the filter plate 701, the counterweight ball 704 at the lower end of the filter plate 701 is driven to vibrate, the counterweight ball 704 is subjected to the elastic action of the elastic rope, the filter plate 701 can be repeatedly impacted in the vibration process, and then the vibration effect of the filter plate 701 is improved, so that dust on the filter plate 701 drops off in an accelerating way.

Working principle:

During the use, start outside breather and take out the air in the colliery through exhaust duct 1, and carry fresh air to the colliery inside simultaneously, at the in-process of taking a breath, start servo motor 3 drive reciprocating screw 4 and rotate, reciprocating screw 4 drives connecting block 604 and reciprocates at the outer end of reciprocating screw 4, connecting block 604 drives movable block 601 and removes, movable block 601 drives rubber strip 603 and scrapes repeatedly at filter plate 701 upper surface, will pass filter plate 701 and pile up the dust push to filter plate 701 both sides at filter plate 701 upper surface, make the dust fall back in the colliery again from the space of filter plate 701 both sides, in the in-process that movable block 601 removed, can drive the gyro wheel 602 at its both ends and roll on filter plate 701 upper surface, gyro wheel 602 can roll over from a plurality of vibrations piece 702 upper ends, gyro wheel 602 forms the extrusion to filter plate 701, and then promote filter plate 701 and slide down on the inner wall of installation frame 2, cause the extrusion to spring 703 when gyro wheel 602 breaks away from certain vibrations piece 702, the filter plate will reset under the elastic force effect of spring 703, thereby pass through gyro wheel 602 from a plurality of vibrations piece 702 upper end, can realize that the filter plate 701 is rolled back down in the space of filter plate 701, can be driven in time to the filter plate 701 through the filter plate 701, can be continued to roll down in the filter plate 701, the impact effect of the filter plate 701 is realized, can be in time is passed through the filter plate 701, and is blocked up, and the impact effect is continued, can be blocked up by the impact ball has been passed through in time, and is avoided, and the filter plate is passed through the filter plate has continuous vibration has been moved down in the impact has been moved down.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a ventilation unit for colliery safety, includes exhaust duct (1), its characterized in that: the utility model discloses a filter plate structure, including air exhaust duct (1), air exhaust duct (1) inner wall fixedly connected with and air exhaust duct (1) inner chamber assorted mounting frame (2), servo motor (3) are installed to the inner of mounting frame (2), servo motor (3) output fixedly connected with reciprocating screw (4), servo motor (3) one end and mounting frame (2) are kept away from to reciprocating screw (4) rotate to be connected, mounting frame (2) inboard is provided with vibration subassembly (6) and filter plate subassembly (7) respectively, filter plate subassembly (7) are including filter plate (701), filter plate (701) and mounting frame (2) assorted.

2. A ventilation device for coal mine safety as claimed in claim 1, wherein: the upper end of the filter plate (701) is fixedly connected with a plurality of vibration blocks (702), the vibration blocks (702) are equidistantly arranged, and the vibration blocks (702) are distributed at the edge positions of the upper surface of the filter plate (701) in two rows.

3. A ventilation device for coal mine safety as claimed in claim 2, wherein: the vibration assembly (6) comprises a movable block (601), wherein the upper end of the movable block (601) is fixedly connected with a connecting block (604), the connecting block (604) is matched with the reciprocating screw rod (4), the inner end of the mounting frame (2) is fixedly connected with a limiting rod (5), and the connecting block (604) is in sliding connection with the limiting rod (5).

4. A ventilation device for coal mine safety according to claim 3, wherein: the two ends of the movable block (601) are rotatably connected with rollers (602), rubber strips (603) are arranged at the inner ends of the movable block (601), and the rollers (602) and the rubber strips (603) are abutted against the upper surface of the filter plate (701).

5. A ventilation device for coal mine safety as claimed in claim 1, wherein: the filter plate (701) is slidably connected with the inner wall of the mounting frame (2), the bottom end of the filter plate (701) is fixedly connected with a plurality of springs (703), and the bottom ends of the springs (703) are fixedly connected with the mounting frame (2).

6. A ventilation device for coal mine safety as claimed in claim 1, wherein: a plurality of elastic ropes are arranged at the bottom end of the filter plate (701), and counterweight balls (704) are arranged at the bottom ends of the elastic ropes.