CN216130952U - Safety type ventilation device for coal mine - Google Patents

Abstract

The utility model relates to the technical field of coal mines and discloses a safety ventilation device for a coal mine, which comprises a ventilation well wall, a ventilation arm, a rain cover, a wheel disc and ventilation openings, wherein the ventilation well wall is of a cylindrical cavity structure, four groups of ventilation openings are formed in the side surface of the ventilation well wall, the ventilation arm is arranged in the ventilation well wall, the rain cover is arranged at the upper end of the ventilation arm and is fixedly connected with the ventilation arm, a water accumulation groove is formed in the edge of the upper surface of the rain cover, a water outlet is formed in the left side of the water accumulation groove, the ventilation arm is provided with a movable plug, the ventilation well wall is provided with the ventilation openings, ventilation of a mine is realized through the matching of the movable plug and the ventilation openings, the rain cover is additionally arranged above a ventilation well mouth, the water accumulation groove is formed in the edge of the upper surface of the rain cover, the water inflow in the ventilation openings of rainwater weather is reduced, and the probability of water accumulation in the mine is reduced, and potential safety hazards are reduced.

Description

Safety type ventilation device for coal mine

Technical Field

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

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a minery coal mine and an open coal mine, when a coal seam is far away from the ground, people usually adopt a mode of excavating a tunnel underground to perform coal mining, and the minery coal mine is a minery coal mine.

At present, the current safety ventilation window for the coal mine ventilation device on the market usually adopts the mode that articulated formula flip opened and shut, but because the internal and external pressure is different in the well, the ventilation window is opened and shut the difficulty, and needs great operating space, and the mode that the flip opened and shut simultaneously does not have waterproof function, can form ponding in the mine from the vent at rainwater weather rainwater, causes the potential safety hazard.

Therefore, the safety ventilation device for the coal mine is designed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a safety ventilation device for a coal mine, which solves the problems that the existing safety ventilation window for the ventilation device for the coal mine on the market usually adopts a hinged type flip opening and closing mode, but the opening and closing of the ventilation window are difficult and a larger operation space is needed due to different pressures inside and outside a mine, and meanwhile, the flip opening and closing mode has no waterproof function, so that rainwater can enter the mine from a ventilation opening in rainy days to form accumulated water in the mine, thereby causing potential safety hazards.

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

the utility model provides a safety type ventilation unit is used in colliery, includes the ventilation wall of a well, ventilates arm, rain cover, rim plate and vent, the ventilation wall of a well is cylindrical cavity structure, and four groups of vents have been seted up to the side of the ventilation wall of a well, are equipped with the ventilation arm in the ventilation wall of a well, and the ventilation arm upper end is equipped with the rain cover, rain cover and ventilation arm fixed connection, and rain cover upper surface edge has seted up the ponding groove, and the delivery port has been seted up on the ponding groove left side.

Further, the ventilation arm is cylindrical cavity structure, and the ventilation arm cavity is inside to have seted up movable chamber, and the activity intracavity is equipped with the stress column, and the stress column lower extreme is equipped with the fixed block, fixed block and stress column fixed connection, and the stress column upper end is equipped with the rim plate, rim plate and stress column fixed connection.

Furthermore, the wheel disc is positioned above the rain cover, four groups of holding rods are arranged on the side face of the wheel disc and are uniformly distributed, and the holding rods are fixedly connected with the wheel disc.

Further, the fixed block side is equipped with four solid fixed rings of group, gu fixed ring evenly distributed on the fixed block, gu fixed ring and fixed block fixed connection, gu the last swing joint of fixed ring has the pull rod, pull rod one end links to each other with solid fixed ring, and the pull rod other end is equipped with the activity stopper, activity stopper and pull rod fixed connection.

Further, in the horizontal through-hole of ventilating arm was located to the activity stopper, the activity stopper right side was equipped with compression spring, and compression spring places in the horizontal through-hole of ventilating arm, and the compression spring right-hand member is equipped with the baffle, baffle and ventilating arm fixed connection.

Furthermore, a through hole is formed in the center of the baffle, and the pull rod penetrates through the through hole in the baffle and the center of the compression spring and then is connected with the movable plug.

The utility model has the beneficial effects that:

1. the utility model discloses a, through addding the ventilation arm, be equipped with the activity stopper on the ventilation arm, seted up the vent on the ventilation wall of a well, through the cooperation of activity stopper with the vent, realized the mine ventilation, effectively solved traditional safe ventilation window because the internal and external pressure is different in the well, the ventilation window difficulty of opening and shutting, and need great operating space's problem.

2. The utility model discloses a, through addding rain cover, set up in ventilation well head top, and rain cover upper surface edge has seted up ponding groove, has effectively solved and can enter into the inherent well formation ponding of mine at rainwater weather rainwater from the vent, causes the problem of potential safety hazard.

Drawings

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

FIG. 2 is a cross-sectional view of the ventilation arm and rain cover of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is an enlarged view of B in fig. 2.

In the figure: 1. ventilating the well wall; 2. a ventilation arm; 3. a rain cover; 4. a wheel disc; 5. a holding rod; 6. a water accumulation tank; 7. a vent; 8. a stress column; 9. a movable plug; 10. a pull rod; 11. a compression spring; 12. a movable cavity; 13. a fixed block; 14. a baffle plate; 15. a fixing ring; 16. and (7) a water outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

Referring to fig. 1 and 4, a safe type ventilation unit is used in colliery, including the ventilation wall of a well 1, ventilation arm 2, rain cover 3, rim plate 4 and vent 7, the ventilation wall of a well 1 is cylindrical cavity structure, and four group vents 7 have been seted up to the 1 side of the ventilation wall of a well, are equipped with ventilation arm 2 in the ventilation wall of a well 1, and 2 upper ends of ventilation arm are equipped with rain cover 3, and rain cover 3 and ventilation arm 2 fixed connection, rain cover 3 upper surface edge have seted up ponding groove 6, and delivery port 16 has been seted up on the left of ponding groove 6.

Referring to fig. 2, the ventilating arm 2 is of a cylindrical cavity structure, a movable cavity 12 is formed in the cavity of the ventilating arm 2, a stress column 8 is arranged in the movable cavity 12, a fixing block 13 is arranged at the lower end of the stress column 8, the fixing block 13 is fixedly connected with the stress column 8, a wheel disc 4 is arranged at the upper end of the stress column 8, and the wheel disc 4 is fixedly connected with the stress column 8.

Referring to fig. 1, the wheel disc 4 is positioned above the rain cover 3, four groups of holding rods 5 are arranged on the side surface of the wheel disc 4, the four groups of holding rods 5 are uniformly distributed, and the holding rods 5 are fixedly connected with the wheel disc 4.

Referring to fig. 2 and 3, four fixing rings 15 are arranged on the side surface of the fixing block 13, the fixing rings 15 are uniformly distributed on the fixing block 13, the fixing rings 15 are fixedly connected with the fixing block 13, the fixing rings 15 are movably connected with a pull rod 10, one end of the pull rod 10 is connected with the fixing rings 15, the other end of the pull rod 10 is provided with a movable plug 9, and the movable plug 9 is fixedly connected with the pull rod 10.

Referring to fig. 2, the movable plug 9 is arranged in the horizontal through hole of the ventilating arm 2, the compression spring 11 is arranged on the right side of the movable plug 9, the compression spring 11 is placed in the horizontal through hole of the ventilating arm 2, the right end of the compression spring 11 is provided with a baffle plate 14, and the baffle plate 14 is fixedly connected with the ventilating arm 2.

Wherein, the baffle 14 center is seted up the through-hole, and the pull rod 10 passes through the through-hole on the baffle 14 and links to each other with activity stopper 9 behind the compression spring 11 center.

In conclusion, when the rain shield is used, the wheel disc 4 drives the stress column 8 to rotate through the holding rod 5 on the rotating wheel disc 4, the stress column 8 drives the fixed block 13 to rotate, the pull rod 10 connected to the fixed block 13 through the fixed ring 15 rotates around the stress column 8 when the fixed block 13 rotates, the pull rod 10 rotates to pull the movable plug 9 to extrude the compression spring 11, the movable block moves towards the inside of the ventilating arm 2, the ventilating arm 2 is placed in the ventilating wall 1 after the movable plug 9 enters the ventilating arm 2, the movable plug 9 is staggered with the ventilating opening 7 on the ventilating wall 1 when ventilation is needed, outside air is communicated with the inside of the ventilating well and is exchanged with the air in the ventilating well, when ventilation is not needed, the rotating wheel disc 4 contracts the movable plug 9, the movable plug 9 is aligned with the ventilating opening 7, the wheel disc 4 is loosened, the movable plug 9 seals the ventilating opening 7, and the rain shield cover 3 above the ventilating arm 2 can shield rain when raining, rainwater on the rain cover 3 flows into the water accumulating tank 6 and is discharged from the water outlet 16, most rainwater is prevented from entering the ventilation opening 7, and a waterproof function is realized.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (6)

1. The utility model provides a safety type ventilation unit is used in colliery, includes the ventilation wall of a well (1), draft arm (2), rain cover (3), rim plate (4) and vent (7), its characterized in that: the ventilation shaft wall (1) is of a cylindrical cavity structure, four groups of ventilation openings (7) are formed in the side face of the ventilation shaft wall (1), a ventilation arm (2) is arranged in the ventilation shaft wall (1), a rain blocking cover (3) is arranged at the upper end of the ventilation arm (2), the rain blocking cover (3) is fixedly connected with the ventilation arm (2), a water accumulating groove (6) is formed in the edge of the upper surface of the rain blocking cover (3), and a water outlet (16) is formed in the left side of the water accumulating groove (6).

2. The safety ventilation device for coal mines according to claim 1, characterized in that: ventilating arm (2) are cylindrical cavity structure, and ventilating arm (2) cavity is inside to have seted up movable chamber (12), is equipped with stress column (8) in movable chamber (12), and stress column (8) lower extreme is equipped with fixed block (13), fixed block (13) and stress column (8) fixed connection, and stress column (8) upper end is equipped with rim plate (4), rim plate (4) and stress column (8) fixed connection.

3. The safety ventilation device for coal mines according to claim 1, characterized in that: the wheel disc (4) is positioned above the rain blocking cover (3), four groups of holding rods (5) are arranged on the side surface of the wheel disc (4), the four groups of holding rods (5) are uniformly distributed, and the holding rods (5) are fixedly connected with the wheel disc (4).

4. The safety ventilation device for coal mines according to claim 2, characterized in that: fixed block (13) side is equipped with fixed ring (15) of four groups, and fixed ring (15) evenly distributed on fixed block (13), fixed ring (15) and fixed block (13) fixed connection, swing joint has pull rod (10) on fixed ring (15), and pull rod (10) one end links to each other with fixed ring (15), and the pull rod (10) other end is equipped with movable stopper (9), and movable stopper (9) and pull rod (10) fixed connection.

5. The coal mine safety ventilation device of claim 4, wherein: in ventilating arm (2) horizontal through hole was located in activity stopper (9), activity stopper (9) right side was equipped with compression spring (11), and compression spring (11) are placed in ventilating arm (2) horizontal through hole, and compression spring (11) right-hand member is equipped with baffle (14), baffle (14) and ventilating arm (2) fixed connection.

6. The coal mine safety ventilation device of claim 5, wherein: a through hole is formed in the center of the baffle plate (14), and the pull rod (10) penetrates through the through hole in the baffle plate (14) and the center of the compression spring (11) and then is connected with the movable plug (9).

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