CN212774373U - Safety type ventilation device for coal mine - Google Patents

Abstract

The utility model belongs to the coal mine field, especially, safe type ventilation unit is used in colliery is difficult to open and shut to current colliery ventilation window, and is opening and shutting in-process window and damaging easily, leads to the colliery problem of ventilation situation uncontrollable in the pit, now proposes following scheme, and it includes the ventilating board, the ventilation hole has been seted up to one side of ventilating board, and one side fixed mounting of ventilating board has first fixed plate, and two shifting chutes have been seted up to the bottom of first fixed plate, and equal slidable mounting has the removal seat in two shifting chutes, and two equal fixed mounting in bottom of removing the seat have the switch board, and two switch boards all with ventilation hole looks adaptation, and the thread groove has been seted up to one side of two removal seats, sets up flutedly on one side inner wall of one of them shifting chutes. The utility model discloses rational in infrastructure, convenient operation, this colliery ventilation window conveniently opens and shuts, and is opening and shutting in-process switch board not fragile, colliery ventilation convenient control in the pit.

Description

Safety type ventilation device for coal mine

Technical Field

The utility model relates to a colliery technical field especially relates to a colliery is with safe type ventilation unit.

Background

The coal mine is a place rich in coal resources, generally refers to a factory which produces coal by adopting an underground excavation or open-air excavation mode, when a coal seam is far away from the ground surface, generally, a tunnel is excavated to the underground, so that the coal mine is a mineworker coal mine, the temperature of the mine is higher and higher along with the depth of the ground surface, the ventilation effect is poor, and meanwhile, the mine can generate part of flammable and explosive toxic gas, so that the gas in the mine is urgently required to be discharged;

however, the existing coal mine ventilation window is difficult to open and close, and the window is easy to damage in the opening and closing process, so that the underground coal mine ventilation condition is difficult to control.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the colliery ventilation window to be difficult to open and shut among the prior art, and opening and shutting in-process window damage easily, lead to the colliery to ventilate the shortcoming that the situation is difficult to control in the pit, and the safety type ventilation unit is used in colliery that proposes.

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

a safety ventilation device for coal mines comprises a ventilation plate, wherein one side of the ventilation plate is provided with a ventilation hole, one side of the ventilation plate is fixedly provided with a first fixing plate, the bottom of the first fixing plate is provided with two moving grooves, moving seats are respectively and slidably arranged in the two moving grooves, the bottoms of the two moving seats are respectively and fixedly provided with a switch plate, the two switch plates are respectively matched with the ventilation hole, one side of one of the two moving seats is provided with a threaded groove, the inner wall of one side of one of the two moving grooves is provided with a groove, a screw rod is rotatably arranged in the groove, screw threads of the screw rod are arranged in the thread hole, a first bevel gear is fixedly sleeved on the screw rod, the top of the first fixing plate is fixedly provided with a motor, an output shaft of the motor is fixedly connected with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

Preferably, the equal fixed mounting in both sides of removing the seat has the slider, has all seted up the spout on the both sides inner wall of shifting chute, and slider slidable mounting drives the slider and slides in the spout when removing the seat and remove in the spout that corresponds, can stably remove the position when seat removes.

Preferably, one side fixed mounting of ventilating board has the second fixed plate, and two slide openings have been seted up at the top of second fixed plate, and the equal fixed mounting in bottom of two switch boards has the connecting seat, and connecting seat slidable mounting is in the slide opening that corresponds, and the switch board drives the connecting seat and removes, and the connecting seat drives the rack and removes.

Preferably, the equal fixedly connected with rack in one side that two connecting seats are close to each other, the gear is installed in the bottom rotation of second fixed plate, two racks all with gear engagement, the rack drives gear revolve, the gear drives another rack removal.

Preferably, the quad slit has been seted up to one side of connecting seat, and slidable mounting has the quad bar in the quad slit, and the both ends of quad bar weld respectively on the both sides inner wall of sliding hole, and the quad bar slides in the quad slit passively when the connecting seat removes, can stabilize the position when the connecting seat removes.

Preferably, the top fixed mounting of gear has the turning block, and the rotation groove has been seted up to the bottom of second fixed plate, and the turning block rotates to be installed at the rotation inslot, drives the turning block at the rotation inslot rotation during gear revolve, position when can stabilizing gear revolve.

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

according to the scheme, the motor drives the second bevel gear to rotate, the first bevel gear drives the screw rod to rotate, the screw rod drives the movable seat to move, the switch plates drive the connecting seats to move, the connecting seats drive the racks to move, the gears drive the other racks to move, the racks drive the corresponding connecting seats to move, the two switch plates move in the directions away from each other, the vent holes can be opened and adjusted to appropriate positions, the two switch plates move in the directions close to each other, and the ventilation area of the vent holes can be reduced;

the utility model discloses rational in infrastructure, convenient operation, this colliery ventilation window conveniently opens and shuts, and is opening and shutting in-process switch board not fragile, colliery ventilation convenient control in the pit.

Drawings

Fig. 1 is a schematic view of a front view structure provided by the present invention;

fig. 2 is a schematic structural view of part a of the present invention;

fig. 3 is a schematic structural diagram of the rack and the gear according to the present invention.

In the figure: 1. a ventilation board; 2. a first fixing plate; 3. a moving groove; 4. a movable seat; 5. a switch plate; 6. a vent hole; 7. a screw rod; 8. a first bevel gear; 9. a motor; 10. a second bevel gear; 11. a second fixing plate; 12. a connecting seat; 13. a rack; 14. a gear.

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.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Referring to fig. 1-3, a safety ventilation device for coal mine comprises a ventilation plate 1, a ventilation hole 6 is formed in one side of the ventilation plate 1, a first fixing plate 2 is fixedly installed on one side of the ventilation plate 1, two moving grooves 3 are formed in the bottom of the first fixing plate 2, moving seats 4 are slidably installed in the two moving grooves 3, switch plates 5 are fixedly installed at the bottoms of the two moving seats 4, the two switch plates 5 are matched with the ventilation hole 6, a threaded groove is formed in one side of one moving seat 4 of the two moving seats 4, a groove is formed in the inner wall of one moving groove 3 of the two moving grooves 3, a screw rod 7 is rotatably installed in the groove, the screw rod 7 is threadedly installed in the threaded groove, a first bevel gear 8 is fixedly sleeved on the screw rod 7, a motor 9 is fixedly installed at the top of the first fixing plate 2, a second bevel gear 10 is fixedly connected to an output shaft of the motor 9, and the second bevel gear 10 is meshed with the first bevel gear 8.

In this embodiment, the equal fixed mounting in both sides of removal seat 4 has the slider, has all seted up the spout on the both sides inner wall of shifting chute 3, and slider slidable mounting drives the slider and slides in the spout when removing seat 4 and remove in the spout that corresponds, can stably remove the position when seat 4 removes.

In this embodiment, one side fixed mounting of ventilating board 1 has second fixed plate 11, and two slide openings have been seted up at the top of second fixed plate 11, and the equal fixed mounting in bottom of two switch boards 5 has connecting seat 12, and connecting seat 12 slidable mounting is in the slide opening that corresponds, and switch board 5 drives connecting seat 12 and removes, and connecting seat 12 drives rack 13 and removes.

In this embodiment, two connecting seats 12 are close to each other and are connected with rack 13 on one side, and gear 14 is installed in the bottom rotation of second fixed plate 11, and two rack 13 all mesh with gear 14, and rack 13 drives gear 14 and rotates, and gear 14 drives another rack 13 and removes.

In this embodiment, the quad slit has been seted up to one side of connecting seat 12, and slidable mounting has the quad bar in the quad slit, and the both ends of quad bar weld respectively on the both sides inner wall of quad slit, and the quad bar slides in the quad slit passively when connecting seat 12 removes, can stabilize the position when connecting seat 12 removes.

In this embodiment, the top fixed mounting of gear 14 has the turning block, and the rotation groove has been seted up to the bottom of second fixed plate 11, and the turning block rotates to be installed at the rotation inslot, and gear 14 drives the turning block at the rotation inslot rotation when rotating, can stabilize the position when gear 14 rotates.

In this embodiment, the worker checks each component to ensure that the component can be used after no error, the electrical components appearing in the component are electrically connected to an external master controller and 220V commercial power, and the master controller can be a conventional known device controlled by a computer, and the motor 9 drives the second bevel gear 10 to rotate, the second bevel gear 10 drives the first bevel gear 8 to rotate, the first bevel gear 8 drives the screw rod 7 to rotate, the screw rod 7 drives the movable seat 4 to move, the movable seat 4 drives the corresponding switch board 5 to move, the switch board 5 drives the connecting seat 12 to move, the connecting seat 12 drives the rack 13 to move, the rack 13 drives the gear 14 to rotate, the gear 14 drives the other rack 13 to move, so that the two racks 13 move in directions away from or close to each other, the rack 13 drives the corresponding connecting seat 12 to move, the connecting seat 12 drives the corresponding switch board 5 to move, two switch boards 5 remove to the direction of keeping away from each other, can open ventilation hole 6 to adjust suitable position, two switch boards 5 remove to the direction that is close to each other, can reduce the draught area in ventilation hole 6, the utility model discloses rational in infrastructure, convenient operation, this colliery ventilation window conveniently opens and shuts, and opening and shutting in-process switch board 5 not fragile, the convenient control of colliery underground ventilation.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Claims (6)

1. The safety ventilation device for the coal mine comprises a ventilation plate (1) and is characterized in that a ventilation hole (6) is formed in one side of the ventilation plate (1), a first fixing plate (2) is fixedly installed on one side of the ventilation plate (1), two moving grooves (3) are formed in the bottom of the first fixing plate (2), moving seats (4) are installed in the two moving grooves (3) in a sliding mode, switch plates (5) are installed at the bottoms of the two moving seats (4) in a fixed mode, the two switch plates (5) are matched with the ventilation hole (6), a thread groove is formed in one side of one moving seat (4) of the two moving seats (4), a groove is formed in the inner wall of one moving groove (3) of the two moving grooves (3), a screw rod (7) is installed in the groove in a rotating mode, the screw rod (7) is installed in the thread groove, the screw rod (7) is installed in the thread hole, fixed cover is equipped with first bevel gear (8) on lead screw (7), the top fixed mounting of first fixed plate (2) has motor (9), fixedly connected with second bevel gear (10) on the output shaft of motor (9), and second bevel gear (10) and first bevel gear (8) meshing.

2. The safety ventilation device for coal mines as claimed in claim 1, wherein sliding blocks are fixedly mounted on both sides of the movable base (4), sliding grooves are formed on the inner walls of both sides of the movable groove (3), and the sliding blocks are slidably mounted in the corresponding sliding grooves.

3. The safety type ventilation device for the coal mine according to claim 1, wherein a second fixing plate (11) is fixedly installed on one side of the ventilation plate (1), two sliding holes are formed in the top of the second fixing plate (11), connecting seats (12) are fixedly installed at the bottoms of the two switch plates (5), and the connecting seats (12) are slidably installed in the corresponding sliding holes.

4. The safety ventilation device for the coal mine according to claim 3, characterized in that a rack (13) is fixedly connected to one side of each of the two connecting seats (12) close to each other, a gear (14) is rotatably mounted at the bottom of the second fixing plate (11), and the two racks (13) are meshed with the gear (14).

5. The safety ventilation device for coal mines according to claim 3, wherein one side of the connecting seat (12) is provided with a square hole, a square rod is slidably mounted in the square hole, and two ends of the square rod are respectively welded on the inner walls of two sides of the slide hole.

6. The safety ventilation device for the coal mine according to claim 4, wherein a rotating block is fixedly installed at the top of the gear (14), a rotating groove is formed at the bottom of the second fixing plate (11), and the rotating block is rotatably installed in the rotating groove.

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