CN212803302U - Dustproof ventilation device for coal mining - Google Patents

Abstract

The utility model belongs to the ventilation equipment field, especially, coal mining uses dustproof ventilation unit, include the rose box and be located the ventilation pipe of rose box bottom, fixed mounting has negative-pressure air fan in the ventilation pipe, the intercommunicating pore has all been seted up to the both sides of rose box, fixed mounting has the positioning seat that two symmetries set up on the top inner wall of rose box and on the bottom inner wall, the draw-in groove has all been seted up to one side that two positioning seats that lie in on the same horizontal axis kept away from each other, two thin filter screens have been placed in the rose box, and thin filter screen contacts with the positioning seat, set up the card hole that two symmetries set up on the thin filter screen, and card hole and the draw-in groove looks adaptation that corresponds, the coarse strainer has been placed in the intercommunic. The utility model relates to a rationally, be convenient for dismantle coarse strainer and thin filter screen to be convenient for clear up coarse strainer and thin filter screen.

Description

Dustproof ventilation device for coal mining

Technical Field

The utility model relates to a ventilation equipment technical field especially relates to a coal mining is with dustproof ventilation unit.

Background

The existing ventilation device is composed of a pipeline, a partial pressure fan and the like, is mainly installed at a position with good air circulation, has good practical effect and low power consumption, and is widely applied to the field of mining of various mine tunnels; however, when the ventilation device for coal mining used at the present stage is used, air cannot be effectively filtered, so that the ventilation quality is poor, and the filter mechanism is not convenient to disassemble and clean, so that the dust-proof ventilation device for coal mining is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving thereby exist among the prior art and make ventilation quality not good, and be not convenient for dismantle the shortcoming of clearance to filter mechanism, and the dustproof ventilation unit for coal mining who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dustproof ventilation device for coal mining comprises a filter box and a ventilation pipe positioned at the bottom of the filter box, wherein a negative pressure fan is fixedly arranged in the ventilation pipe, intercommunicating pores are respectively arranged at two sides of the filter box, two symmetrically-arranged positioning seats are fixedly arranged on the inner wall at the top and the inner wall at the bottom of the filter box, clamping grooves are respectively arranged at one sides, far away from each other, of the two positioning seats positioned on the same horizontal axis, two thin filter screens are placed in the filter box and are contacted with the positioning seats, two symmetrically-arranged clamping holes are formed in the thin filter screens and are matched with the corresponding clamping grooves, coarse filters are placed in the intercommunicating pores, two symmetrically-arranged clamping rods are fixedly arranged at one side, connected with each other, of the two coarse filters and are matched with the corresponding clamping holes and clamping grooves, a push plate is fixedly arranged on the clamping rods and is matched with the thin filter screens, one side, far away from each other, the first hole that two symmetries set up is all seted up on the top inner wall of rose box and on the inner wall of bottom, sliding mounting has the fixed pin in the first hole, and fixed pin and the keyway looks adaptation that corresponds, the one end of fixed pin extends to the outside of rose box and fixed mounting has the movable plate, one side fixed mounting of movable plate has the one end of a plurality of first springs, the other end fixed mounting of first spring is on the rose box, the standing groove has all been seted up to the top and the bottom of rose box, the equal fixed mounting in one side that two standing grooves are close to each other has first pole, the moving groove has all been seted up to one side that two movable plates kept away from each other, sliding mounting has the carriage release lever in the moving groove, the one end of carriage release lever extends to the outside and the fixed mounting of movable plate has the montant, montant and the corresponding standing groove looks adaptation, the.

Preferably, the rough filter screen is fixedly sleeved with a sealing rubber strip, the sealing rubber strip is matched with the communicating hole, and the communicating hole can be sealed through the sealing rubber strip.

Preferably, all seted up the spacing groove on the both sides inner wall of shifting chute, the equal fixed mounting in both sides of carriage release lever has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds can make the carriage release lever carry out stable removal owing to be provided with spacing seat and spacing groove.

Preferably, the bottom of the filter box is provided with a vent hole, and the vent hole is communicated with the vent pipe.

Preferably, the first hole is a rectangular hole, the cross section of the fixing pin is rectangular, and the fixing pin can stably move up and down by the hole.

In the utility model, the coarse strainer is arranged in the filter box of the dustproof ventilation device for coal mining, large-particle dust and winged insects can be filtered through the coarse strainer, small-particle dust can be filtered through the fine filter screen, so that air can be filtered, the quality of the air is improved, and when the coarse strainer and the fine filter screen are disassembled and cleaned;

through removing the montant, make the drive carriage release that the montant can remove and tensile fixed spring, and the montant drives fixed orifices and first pole phase separation, remove the fixed to the movable plate this moment, remove the movable plate, the movable plate can drive the fixed pin and remove and tensile first spring, make the fixed pin remove the fixed to the kelly, can shift out the coarse strainer this moment, the kelly that the coarse strainer can remove and break away from corresponding draw-in groove and card hole, thereby can remove the fixed to thin filter screen, can dismantle thin filter screen, be convenient for dismantle coarse strainer and thin filter screen, thereby be convenient for clear up coarse strainer and thin filter screen.

The utility model relates to a rationally, can improve the air quality through coarse strainer and thin filter screen, and be convenient for dismantle coarse strainer and thin filter screen to be convenient for clear up coarse strainer and thin filter screen.

Drawings

Fig. 1 is a schematic structural view of a dust-proof ventilation device for coal mining according to the present invention;

fig. 2 is a schematic structural view of a part a of the dust-proof ventilation device for coal mining according to the present invention;

fig. 3 is the utility model provides a coal mining is with dustproof ventilation unit's part B schematic structure diagram.

In the figure: 1. a filter box; 2. a vent pipe; 3. a negative pressure fan; 4. a communicating hole; 5. coarse filtration; 6. a fine filter screen; 7. positioning seats; 8. a card slot; 9. a clamping hole; 10. a clamping rod; 11. pushing the plate; 12. a pin slot; 13. a first hole; 14. a fixing pin; 15. moving the plate; 16. a first spring; 17. a placement groove; 18. a first lever; 19. a moving groove; 20. a travel bar; 21. fixing the spring; 22. a vertical rod; 23. and (7) fixing holes.

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.

Referring to fig. 1-3, a dust-proof ventilation device for coal mining comprises a filter box 1 and a ventilation pipe 2 arranged at the bottom of the filter box 1, a negative pressure fan 3 is fixedly arranged in the ventilation pipe 2, communication holes 4 are respectively arranged at two sides of the filter box 1, two symmetrically arranged positioning seats 7 are fixedly arranged on the top inner wall and the bottom inner wall of the filter box 1, clamping grooves 8 are respectively arranged at the sides of the two positioning seats 7 which are far away from each other on the same horizontal axis, two thin filter screens 6 are arranged in the filter box 1, the thin filter screens 6 are contacted with the positioning seats 7, two symmetrically arranged clamping holes 9 are arranged on the thin filter screens 6, the clamping holes 9 are matched with the corresponding clamping grooves 8, a rough filter screen 5 is arranged in the communication hole 4, two symmetrically arranged clamping rods 10 are fixedly arranged at the side where the two rough filter screens 5 are connected, and the clamping rods 10 are matched with the corresponding clamping holes 9 and clamping, the clamping rods 10 are fixedly provided with a push plate 11, the push plate 11 is matched with the fine filter screen 6, one sides of the two clamping rods 10 which are positioned at the same side and far away from each other are respectively provided with a pin groove 12, the inner wall of the top and the inner wall of the bottom of the filter box 1 are respectively provided with two first holes 13 which are symmetrically arranged, the first holes 13 are internally provided with a fixed pin 14 in a sliding way, the fixed pins 14 are matched with the corresponding pin grooves 12, one ends of the fixed pins 14 extend to the outer side of the filter box 1 and are fixedly provided with a movable plate 15, one side of the movable plate 15 is fixedly provided with one ends of a plurality of first springs 16, the other ends of the first springs 16 are fixedly arranged on the filter box 1, the top and the bottom of the filter box 1 are respectively provided with a placing groove 17, one sides of the two placing grooves 17 which are close to each other are respectively fixedly provided with a first movable plate 18, one sides, one end of the moving rod 20 extends to the outer side of the moving plate 15 and is fixedly provided with a vertical rod 22, the vertical rod 22 is matched with the corresponding placing groove 17, a fixing hole 23 is formed in the vertical rod 22, and the fixing hole 23 is matched with the corresponding first rod 18.

The utility model discloses in, fixed cover is equipped with joint strip on the coarse strainer 5, and joint strip and 4 looks adaptations of intercommunicating pore, can seal the intercommunicating pore through joint strip.

The utility model discloses in, all seted up the spacing groove on the both sides inner wall of shifting chute 19, the equal fixed mounting in both sides of carriage release lever 20 has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds can make carriage release lever 20 carry out stable removal owing to be provided with spacing seat and spacing groove.

The utility model discloses in, the ventilation hole has been seted up to the bottom of rose box 1, and the ventilation hole is linked together with ventilation pipe 2.

The utility model discloses in, first hole 13 sets up to the rectangular hole, and the cross section of fixed pin 14 sets up the rectangle, through carrying out the hole, can make fixed pin 14 carry out stable reciprocating.

In the utility model, a coarse filter screen 5 is arranged in a filter box 1 of the ventilation device, large-particle dust and winged insects can be filtered through the coarse filter screen 5, small-particle dust can be filtered through a fine filter screen 6, so that air can be filtered, the quality of air is improved, when the coarse filter screen 5 and the fine filter screen 6 are disassembled and cleaned, the vertical rod 22 can drive the movable rod 20 to move and stretch the fixed spring 21 by moving the vertical rod 22, and the vertical rod 22 drives the fixed hole 23 to be separated from the first rod 18, at the moment, the fixing of the movable plate 15 is released, the movable plate 15 is moved, the movable plate 15 can drive the fixed pin 14 to move and stretch the first spring 16, so that the fixed pin 14 releases the fixing of the clamping rod 10, at the moment, the coarse filter screen 5 can be moved, the clamping rod 10 of the coarse filter screen 5 can be moved and separated from the corresponding clamping groove 8 and the, thereby can remove the fixed to thin filter screen 6, can dismantle thin filter screen 6, be convenient for dismantle coarse strainer 5 and thin filter screen 6 to be convenient for clear up coarse strainer 5 and thin filter screen 6.

The above, 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 (5)

1. The dustproof ventilation device for coal mining comprises a filter box (1) and a ventilation pipe (2) positioned at the bottom of the filter box (1), and is characterized in that a negative pressure fan (3) is fixedly installed in the ventilation pipe (2), communication holes (4) are formed in two sides of the filter box (1), two symmetrically-arranged positioning seats (7) are fixedly installed on the inner wall of the top and the inner wall of the bottom of the filter box (1), clamping grooves (8) are formed in one sides, far away from each other, of the two positioning seats (7) on the same horizontal axis, two thin filter screens (6) are placed in the filter box (1), the thin filter screens (6) are in contact with the positioning seats (7), two symmetrically-arranged clamping holes (9) are formed in the thin filter screens (6), the clamping holes (9) are matched with the corresponding clamping grooves (8), and coarse filter screens (5) are placed in the communication holes (4), two clamping rods (10) which are symmetrically arranged are fixedly arranged on one side where the two coarse filtration screens (5) are connected with each other, the clamping rods (10) are matched with the corresponding clamping holes (9) and clamping grooves (8), push plates (11) are fixedly arranged on the clamping rods (10), the push plates (11) are matched with the fine filtration screens (6), pin grooves (12) are formed in the sides, far away from each other, of the two clamping rods (10) which are positioned on the same side, two first holes (13) which are symmetrically arranged are formed in the inner wall of the top and the inner wall of the bottom of the filtration box (1), fixing pins (14) are arranged in the first holes (13) in a sliding mode, the fixing pins (14) are matched with the corresponding pin grooves (12), one ends of the fixing pins (14) extend to the outer side of the filtration box (1) and are fixedly provided with a movable plate (15), one ends of a plurality of first springs (16) are fixedly arranged on one side, the other end fixed mounting of first spring (16) is on rose box (1), standing groove (17) have all been seted up to the top and the bottom of rose box (1), the equal fixed mounting in one side that two standing grooves (17) are close to each other has first pole (18), shifting chute (19) have all been seted up to one side that two movable plates (15) kept away from each other, slidable mounting has carriage release lever (20) in shifting chute (19), the one end of carriage release lever (20) extends to the outside and fixed mounting of movable plate (15) has montant (22), montant (22) and corresponding standing groove (17) looks adaptation, fixed orifices (23) have been seted up on montant (22), and fixed orifices (23) and the first pole (18) looks adaptation that corresponds.

2. The dust-proof ventilation device for coal mining according to claim 1, characterized in that the coarse strainer (5) is fixedly sleeved with a sealing rubber strip, and the sealing rubber strip is matched with the communication hole (4).

3. The dust-proof ventilation device for coal mining according to claim 1, wherein the inner walls of the two sides of the moving groove (19) are respectively provided with a limiting groove, the two sides of the moving rod (20) are respectively fixedly provided with a limiting seat, and the limiting seats are connected with the corresponding limiting grooves in a sliding manner.

4. The dust-proof ventilation device for coal mining according to claim 1, characterized in that the bottom of the filter box (1) is provided with a vent hole, and the vent hole is communicated with the ventilation pipe (2).

5. A dust protection and ventilation device for coal mining according to claim 1, characterized in that the first hole (13) is provided as a rectangular hole and the cross section of the fixing pin (14) is provided as a rectangle.

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