CN219299347U

CN219299347U - Ventilation device for tunnel blasting

Info

Publication number: CN219299347U
Application number: CN202320167871.7U
Authority: CN
Inventors: 牛清野; 赵显华
Original assignee: Liaoning Xingye Construction Engineering Co ltd
Current assignee: Liaoning Xingye Construction Engineering Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-07-04
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses a ventilation device for tunnel blasting, which comprises a mounting frame, wherein an air duct is arranged above the mounting frame, a guide rail is arranged on the inner wall of the air duct, a ring body is arranged on the outer side of the guide rail, fan blades are arranged on the inner side of the ring body, and a driving rod is arranged on the fan blades. This ventilation unit is used in tunnel blasting, servo motor drives first conical gear through montant and second cylindrical gear and rotates, and first conical gear then can drive the flabellum through the actuating lever and rotate, make things convenient for the flabellum to carry out the ventilation of blasting, meanwhile, the water pump can pass through the conveyer pipe with the interior moisture of water tank and draw into the spray pipe in, and the moisture then sprays through the last atomizing of the nozzle on the spray pipe, the wind-force that the flabellum produced blows water smoke into the air and combines with the dust and carry out the dust fall and handle, thereby also be favorable to carrying out the dust fall when conveniently ventilating, prevent to constitute serious threat to constructor's healthy and safety in production.

Description

Ventilation device for tunnel blasting

Technical Field

The utility model relates to the technical field of blasting ventilation, in particular to a ventilation device for tunnel blasting.

Background

Tunnel blasting is a process in which drill hole blasting is usually performed by using gunpowder when tunneling in a tunnel.

After the tunnel blasting is completed, the gas generated by the explosive blasting contains a large amount of dust, and the gas is easy to form serious threat to the physical health and safety production of constructors due to the narrow space of the tunnel and poor ventilation condition, so that the physical damage of the constructors is easy to cause.

Aiming at the problems, innovative design is urgently needed on the basis of the original ventilation device.

Disclosure of Invention

The utility model aims to provide a ventilation device for tunnel blasting, which aims to solve the problems that after the tunnel blasting is completed, the gas generated by explosive blasting contains a large amount of dust, the ventilation condition is poor due to narrow tunnel space, serious threat is easily caused to the physical health and safety production of constructors, and the physical damage of the constructors is easily caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ventilation unit for tunnel blasting, includes the mounting bracket, the top of mounting bracket is provided with the dryer, install the guide rail on the inner wall of dryer, the outside of guide rail is provided with the ring body, the fan blade is installed to the inboard of ring body, install the actuating lever on the fan blade, the surface mounting of actuating lever has first conical gear, the outside of first conical gear is connected with second conical gear, install the montant on the second conical gear, the surface mounting of dryer has servo motor, servo motor's output and montant fixed connection, the outside of dryer is provided with the spray tube, the surface mounting of spray tube has the shower nozzle, the surface mounting of spray tube has the conveyer pipe, the surface mounting of dryer has the water tank, the internally mounted of water tank has the water pump, water pump and conveyer pipe interconnect.

Preferably, the outer surface of the ring body and the inner surface of the guide rail are both provided with guide grooves, and the inner sides of the guide grooves are provided with balls which are positioned between the ring body and the guide rail.

Preferably, the ring body and the fan blades are provided with two groups, and a driving rod is arranged between the two groups of fan blades.

Preferably, a butt joint section of thick bamboo is installed to the one end that the dryer kept away from the spray tube, install fastening bolt on the butt joint section of thick bamboo, the exhaust column is installed to the one end that the dryer was kept away from to the butt joint section of thick bamboo.

Preferably, the spray heads are distributed on the surface of the spray pipe at equal angles, and the spray heads are connected with the air duct in a penetrating manner.

Preferably, two ends of the conveying pipe are respectively connected with the water outlet of the water pump and the spray pipe in a hot melting way.

Compared with the prior art, the utility model has the beneficial effects that: the ventilation device for tunnel blasting;

the servo motor drives the first conical gear to rotate through the vertical rod and the second conical gear, the first conical gear can drive the fan blade to rotate through the driving rod, the fan blade is convenient to blast and ventilate, meanwhile, the water pump can pump water in the water tank into the spray pipe through the conveying pipe, the water is sprayed through atomization on the spray head on the spray pipe, the wind power generated by the fan blade blows water mist into the air to be combined with dust for dust fall treatment, and therefore dust fall is facilitated when ventilation is conveniently carried out, and serious threat to healthy and safe production of constructors is prevented.

Drawings

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

FIG. 2 is a schematic side sectional view of a fan blade mounting structure according to the present utility model;

FIG. 3 is a schematic diagram of the connection structure of the spray head and the air duct of the utility model;

FIG. 4 is a schematic diagram of the connection structure of the butt-joint barrel and the air duct of the utility model.

In the figure: 1. a mounting frame; 2. an air duct; 3. a guide rail; 4. a ring body; 401. a guide groove; 402. a ball; 5. a fan blade; 6. a driving rod; 7. a first bevel gear; 8. a second bevel gear; 9. a vertical rod; 10. a servo motor; 11. a butt joint barrel; 12. a fastening bolt; 13. an exhaust tube; 14. a spray tube; 15. a spray head; 16. a delivery tube; 17. a water tank; 18. and (3) a water pump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a ventilation unit for tunnel blasting, including mounting bracket 1, the top of mounting bracket 1 is provided with dryer 2, install guide rail 3 on the inner wall of dryer 2, the outside of guide rail 3 is provided with ring body 4, the flabellum 5 is installed to the inboard of ring body 4, install actuating lever 6 on the flabellum 5, the surface mounting of actuating lever 6 has first conical gear 7, the outside of first conical gear 7 is connected with second conical gear 8, install montant 9 on the second conical gear 8, the surface mounting of dryer 2 has servo motor 10, servo motor 10's output and montant 9 fixed connection, the outside of dryer 2 is provided with spray pipe 14, the surface mounting of spray pipe 14 has shower nozzle 15, the surface mounting of spray pipe 14 has conveyer pipe 16, the surface mounting of dryer 2 has water tank 17, the internally mounted of water tank 17 has water pump 18, water pump 18 and conveyer pipe 16 interconnect.

The guide way 401 has all been seted up to the surface of ring body 4 and the internal surface of guide rail 3, and the inboard of guide way 401 is provided with ball 402, and ball 402 is located between ring body 4 and the guide rail 3, makes things convenient for ring body 4 to carry out rotary motion at the inboard of guide rail 3 through the cooperation between ball 402 and the guide way 401 to be favorable to flabellum 5 to follow-up carry out rotary operation.

The ring body 4 and the fan blades 5 are provided with two groups, the driving rod 6 is arranged between the two groups of fan blades 5, and the two groups of fan blades 5 can be synchronously linked through the driving rod 6, so that the wind power generated when the fan blades 5 rotate is improved, and the ventilation effect is improved.

The butt joint section of thick bamboo 11 is installed to the one end that spray tube 14 was kept away from to dryer 2, installs fastening bolt 12 on the butt joint section of thick bamboo 11, and exhaust column 13 is installed to the one end that dryer 2 was kept away from to butt joint section of thick bamboo 11, makes things convenient for exhaust column 13 to carry out stable butt joint through butt joint section of thick bamboo 11 and dryer 2 to be favorable to exhaust column 13 to put to the tunnel outside and carry out extraction transmission to the air.

The shower nozzle 15 is at the surface equiangular distribution of spray tube 14, and shower nozzle 15 and dryer 2 through connection, and the moisture in the spray tube 14 can carry out the atomizing blowout through shower nozzle 15 to be favorable to passing the shower nozzle 15 of dryer 2 and can spout water smoke to the open position of dryer 2, conveniently utilize wind-force to blow water smoke to the air in combine with the dust and reach the dust fall effect.

The two ends of the conveying pipe 16 are respectively connected with the water outlet of the water pump 18 and the spray pipe 14 in a hot melting mode, the conveying pipe 16 improves the stability of connection between the spray pipe 14 and the water pump 18, and leakage of water in the conveying process can be prevented.

Working principle: when the ventilation device for tunnel blasting is used, firstly, as shown in fig. 1-4, an air duct 2 is placed into a tunnel through a mounting frame 1, then an exhaust pipe 13 is inserted on the air duct 2 through a butt joint barrel 11, a fastening bolt 12 is screwed down to stably clamp the air duct 2, then one end, far away from the air duct 2, of the exhaust pipe 13 is placed outside the tunnel, and then moisture is added into a water tank 17;

then, the water pump 18 and the servo motor 10 are started, at the moment, the servo motor 10 drives the second bevel gear 8 to rotate through the vertical rod 9, the second bevel gear 8 drives the driving rod 6 to synchronously rotate through the first bevel gear 7, the driving rod 6 drives the two groups of fan blades 5 to synchronously rotate, the fan blades 5 drive the ring body 4 to rotate on the inner side of the guide rail 3 through the balls 402, the rotating fan blades 5 draw air into the tunnel through the exhaust pipe 13, meanwhile, the water pump 18 pumps water in the water tank 17 into the spray pipe 14 through the conveying pipe 16, the water in the spray pipe 14 is atomized and sprayed through the spray head 15, and the sprayed water is blown into the tunnel under the action of wind power to be combined with dust in the air, so that the dust falling purpose is realized.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Ventilation unit for tunnel blasting, its characterized in that: including mounting bracket (1), the top of mounting bracket (1) is provided with dryer (2), install guided way (3) on the inner wall of dryer (2), the outside of guided way (3) is provided with ring body (4), flabellum (5) are installed to the inboard of ring body (4), install actuating lever (6) on flabellum (5), the surface mounting of actuating lever (6) has first conical gear (7), the outside of first conical gear (7) is connected with second conical gear (8), install montant (9) on second conical gear (8), the surface mounting of dryer (2) has servo motor (10), the output and the montant (9) fixed connection of servo motor (10), the outside of dryer (2) is provided with spray pipe (14), the surface mounting of spray pipe (14) has shower nozzle (15), the surface mounting of spray pipe (14) has conveyer pipe (16), the surface mounting of dryer (2) has water tank (17), internally mounted water tank (18) have water pump (18) and water pump (18).

2. The ventilation device for tunnel blasting according to claim 1, wherein: guide grooves (401) are formed in the outer surface of the ring body (4) and the inner surface of the guide rail (3), balls (402) are arranged on the inner side of the guide grooves (401), and the balls (402) are located between the ring body (4) and the guide rail (3).

3. The ventilation device for tunnel blasting according to claim 1, wherein: two groups of ring bodies (4) and fan blades (5) are arranged, and a driving rod (6) is arranged between the two groups of fan blades (5).

4. The ventilation device for tunnel blasting according to claim 1, wherein: the air dryer is characterized in that a butt joint barrel (11) is arranged at one end, far away from the spray pipe (14), of the air dryer (2), a fastening bolt (12) is arranged on the butt joint barrel (11), and an exhaust pipe (13) is arranged at one end, far away from the air dryer (2), of the butt joint barrel (11).

5. The ventilation device for tunnel blasting according to claim 1, wherein: the spray heads (15) are distributed on the surface of the spray pipe (14) at equal angles, and the spray heads (15) are connected with the air duct (2) in a penetrating mode.

6. The ventilation device for tunnel blasting according to claim 1, wherein: and two ends of the conveying pipe (16) are respectively connected with a water outlet of the water pump (18) and the spray pipe (14) in a hot melting way.