CN218816485U

CN218816485U - High-speed ventilation device for high-gas tunnel

Info

Publication number: CN218816485U
Application number: CN202223319201.7U
Authority: CN
Inventors: 刘维青; 徐文松; 张成雷; 刘文刚; 高航; 徐志嘉; 潘虎; 左振钊; 刘卫东
Original assignee: Third Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Current assignee: Third Engineering Co Ltd of China Railway 19th Bureau Group Co Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-07
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to a high gas tunnel field just discloses a high-speed high ventilation unit for gas tunnel, include the fan and install in the tuber pipe of fan one side, the both sides fixedly connected with dust board of fan, the inner wall fixedly connected with support frame of fan, one side the inner wall swing joint of dust board has the back shaft, one side the inner wall fixedly connected with fixed axle of dust board, the outer wall fixedly connected with flabellum of back shaft, one side fixedly connected with movable gear ring of back shaft, one side fixedly connected with fixed gear of fixed axle. This ventilation unit for high gas tunnel of high rotational speed has realized acceleration's function to be favorable to accelerating the rotation speed of flabellum, then improved the wind speed when ventilating, be favorable to carrying out quick ventilation work to high gas inside, avoided the circumstances that inside gas content is amasss more, and then security when having improved holistic work efficiency and use.

Description

High-rotation-speed ventilation device for high-gas tunnel

Technical Field

The utility model relates to a high gas tunnel technical field specifically is a high rotational speed ventilation unit for high gas tunnel.

Background

China is rich in coal resources, the situation that gas needs to be crossed often appears in tunnel construction, the purpose is in order to prevent the huge harm that gas explosion brought, and the gas tunnel is the tunnel of building in containing the gas stratum, and the gas tunnel divide into low gas tunnel, high gas tunnel and gas outburst tunnel three kinds, and in order to the security during construction, need pass through ventilation unit and carry out ventilation to the inside of gas tunnel for gas discharges the tunnel inside.

Wherein, the inside gas content in high gas tunnel is higher, and current ventilation unit rotational speed is slower for carry out the exhaust efficiency to gas not high, then slowed down the process of high gas tunnel construction, and because the unable quick discharge of gas, makeed the construction risk increase.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high rotational speed high ventilation unit for gas tunnel possesses function with higher speed, has solved the problem among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high-speed ventilation unit for gas tunnel of high rotational speed, includes the fan and installs in the tuber pipe of fan one side, the both sides fixedly connected with dust board of fan, the inner wall fixedly connected with support frame of fan, one side the inner wall swing joint of dust board has the back shaft, one side the inner wall fixedly connected with fixed axle of dust board, the outer wall fixedly connected with flabellum of back shaft, one side fixedly connected with movable ring gear of back shaft, one side fixedly connected with fixed gear of fixed axle.

One side fixedly connected with motor box of support frame, the inside motor output shaft of motor box passes through shaft coupling fixedly connected with drive shaft, one side fixedly connected with adjustable shelf of drive shaft, the outer wall swing joint of adjustable shelf has the connecting axle one side fixedly connected with loose gear of connecting axle has realized acceleration's function to be favorable to accelerating the rotation rate of flabellum, the wind speed when having improved the ventilation then is favorable to carrying out quick ventilation work to high gas inside, has avoided the circumstances that inside gas content is amasss more, and then security when having improved holistic work efficiency and use.

Preferably, the dust blocking plate is of a mesh structure, and the dust blocking plate is symmetrically distributed at the air inlet and the air outlet of the fan respectively, so that dust can be blocked conveniently through the dust blocking plate.

Preferably, the supporting shaft is of a hollow shaft structure, and the fixing shaft extends into the supporting shaft and is rotatably connected with the supporting shaft, so that the supporting shaft can effectively rotate on the outer wall of the fixing shaft.

Preferably, the inner wall of the movable gear ring is provided with a through hole, and the fixed shaft is in through connection with the movable gear ring through the through hole, so that the movable gear ring can effectively rotate on the outer wall of the fixed shaft.

Preferably, the inner wall of the movable gear ring is equiangularly distributed with tooth blocks, and the movable gear ring is meshed with the movable gear through the tooth blocks, so that the movable gear ring is driven to rotate by the movable gear.

Preferably, the fixed gear and the movable gear are meshed with each other, and the movable gear is distributed at equal angles along the axial center line of the fixed gear, so that the movable gear can rotate by being meshed with the fixed gear.

Preferably, the outer wall fixedly connected with bearing frame of adjustable shelf, and the connecting axle passes through the bearing and is connected with the adjustable shelf rotation, has made things convenient for the effectual loose gear rotation that drives of connecting axle.

Preferably, the movable gear and the fixed gear form a rotating structure through the connecting shaft, so that the movable gear can effectively revolve around the fixed gear.

Advantageous effects

Compared with the prior art, the utility model provides a high rotational speed high ventilation unit for gas tunnel possesses following beneficial effect:

1. this ventilation unit is used in high rotational speed high gas tunnel, fan through setting up, the dust board, the support frame, the back shaft, the fixed axle, the flabellum, the activity ring gear, the fixed gear, the motor box, the drive shaft, the adjustable shelf, the connecting axle, loose gear and tuber pipe, function with higher speed has been realized, thereby be favorable to accelerating the rotation rate of flabellum, wind speed when having improved the ventilation then, be favorable to carrying out quick ventilation work to high gas inside, avoided the circumstances that inside gas content is long-pending more, and then security when having improved holistic work efficiency and use.

Drawings

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

FIG. 2 is a schematic view of the inside forward-cut structure of the blower of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic side view of the connecting structure of the fixed gear and the movable gear of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the support shaft of the present invention.

In the figure: 1. a fan; 2. a dust guard; 3. a support frame; 4. a support shaft; 5. a fixed shaft; 6. a fan blade; 7. a movable gear ring; 8. fixing a gear; 9. a motor box; 10. a drive shaft; 11. a movable frame; 12. a connecting shaft; 13. a movable gear; 14. and (7) an air pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The utility model provides a high rotational speed high gas ventilation unit for tunnel's preferred embodiment is shown in fig. 1 to 5: the utility model provides a high-speed ventilation unit for gas tunnel of high rotational speed, include fan 1 and install in the tuber pipe 14 of 1 one side of fan, the both sides fixedly connected with dust board 2 of fan 1, the inner wall fixedly connected with support frame 3 of fan 1, the inner wall swing joint of one side dust board 2 has back shaft 4, the inner wall fixedly connected with fixed axle 5 of one side dust board 2, the outer wall fixedly connected with flabellum 6 of back shaft 4, one side fixedly connected with movable ring gear 7 of back shaft 4, one side fixedly connected with fixed gear 8 of fixed axle 5.

One side fixedly connected with motor box 9 of support frame 3, the inside motor output shaft of motor box 9 passes through shaft coupling fixedly connected with drive shaft 10, one side fixedly connected with adjustable shelf 11 of drive shaft 10, one side fixedly connected with loose gear 13 of the outer wall swing joint of adjustable shelf 11 connecting axle 12, the function with higher speed has been realized, thereby be favorable to accelerating the rotation rate of flabellum 6, then the wind speed when having improved the ventilation, be favorable to carrying out quick ventilation work to high gas inside, the condition that inside gas content is amasss more has been avoided, and then the security when having improved holistic work efficiency and using.

Furthermore, the dust baffle 2 is of a mesh structure, and the dust baffle 2 is symmetrically distributed at the air inlet and the air outlet of the fan 1, so that dust can be conveniently blocked by the dust baffle 2.

Furthermore, the supporting shaft 4 is of a hollow shaft structure, and the fixing shaft 5 extends into the supporting shaft 4 and is rotatably connected with the supporting shaft 4, so that the supporting shaft 4 can effectively rotate on the outer wall of the fixing shaft 5.

Furthermore, a through hole is formed in the inner wall of the movable gear ring 7, and the fixed shaft 5 is in through connection with the movable gear ring 7 through the through hole, so that the movable gear ring 7 can effectively rotate on the outer wall of the fixed shaft 5.

Furthermore, the inner wall of the movable gear ring 7 is provided with tooth blocks at equal angles, and the movable gear ring 7 is meshed with the movable gear 13 through the tooth blocks, so that the movable gear 13 drives the movable gear ring 7 to rotate conveniently.

Furthermore, the fixed gear 8 and the movable gear 13 are meshed with each other, and the movable gear 13 is distributed at equal angles along the axial center line of the fixed gear 8, so that the movable gear 13 can rotate by being meshed with the fixed gear 8.

Furthermore, the outer wall of the movable frame 11 is fixedly connected with a bearing seat, and the connecting shaft 12 is rotatably connected with the movable frame 11 through a bearing, so that the connecting shaft 12 can effectively drive the movable gear 13 to rotate.

Furthermore, the movable gear 13 forms a rotating structure with the fixed gear 8 through the connecting shaft 12, which facilitates the movable gear 13 to effectively revolve around the fixed gear 8.

When using, at first start the inside motor of motor box 9, make motor box 9 drive shaft 10 and rotate, make drive shaft 10 drive adjustable shelf 11 and rotate, make adjustable shelf 11 drive loose gear 13 through connecting axle 12 around the work of fixed gear 8, will drive movable ring gear 7 and rotate at the in-process of loose gear 13 revolution, and loose gear 13 is through the meshing with fixed gear 8, make loose gear 13 carry out the rotation through connecting axle 12 simultaneously, make then loose gear 13 drive movable ring gear 7 and accelerate rotatoryly, make then movable ring gear 7 drive flabellum 6 and carry out high-efficient ventilation work.

In conclusion, the ventilation device for the high-speed gas tunnel with high rotation speed effectively improves the ventilation efficiency through the realized acceleration function.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high gas ventilation unit for tunnel of high rotational speed, includes fan (1) and installs tuber pipe (14) in fan (1) one side, its characterized in that: the dust guard is characterized in that two sides of the fan (1) are fixedly connected with dust guard plates (2), the inner wall of the fan (1) is fixedly connected with a support frame (3), the inner wall of one side of each dust guard plate (2) is movably connected with a support shaft (4), the inner wall of one side of each dust guard plate (2) is fixedly connected with a fixed shaft (5), the outer wall of each support shaft (4) is fixedly connected with a fan blade (6), one side of each support shaft (4) is fixedly connected with a movable gear ring (7), and one side of each fixed shaft (5) is fixedly connected with a fixed gear (8);

one side fixedly connected with motor box (9) of support frame (3), the inside motor output shaft of motor box (9) passes through shaft coupling fixedly connected with drive shaft (10), one side fixedly connected with adjustable shelf (11) of drive shaft (10), the outer wall swing joint of adjustable shelf (11) has connecting axle (12) one side fixedly connected with loose gear (13) of connecting axle (12).

2. The ventilation apparatus for a high gas tunnel at a high rotation speed according to claim 1, wherein: the dust blocking plate (2) is of a mesh structure, and the dust blocking plate (2) is symmetrically distributed at an air inlet and an air outlet of the fan (1) respectively.

3. The ventilation apparatus for a high gas tunnel at a high rotational speed according to claim 1, wherein: the supporting shaft (4) is of a hollow shaft structure, and the fixed shaft (5) extends into the supporting shaft (4) and is rotatably connected with the supporting shaft (4).

4. The ventilation apparatus for a high gas tunnel at a high rotational speed according to claim 1, wherein: the inner wall of the movable gear ring (7) is provided with a through hole, and the fixed shaft (5) is in through connection with the movable gear ring (7) through the through hole.

5. The ventilation apparatus for a high gas tunnel at a high rotation speed according to claim 1, wherein: the inner wall of the movable gear ring (7) is equiangularly distributed with tooth blocks, and the movable gear ring (7) is meshed with the movable gear (13) through the tooth blocks.

6. The ventilation apparatus for a high gas tunnel at a high rotational speed according to claim 1, wherein: the fixed gear (8) and the movable gear (13) are meshed with each other, and the movable gear (13) is distributed at equal angles along the axial center line of the fixed gear (8).

7. The ventilation apparatus for a high gas tunnel at a high rotational speed according to claim 1, wherein: the outer wall fixedly connected with bearing frame of adjustable shelf (11), and connecting axle (12) rotates through bearing and adjustable shelf (11) and is connected.

8. The ventilation apparatus for a high gas tunnel at a high rotational speed according to claim 1, wherein: the movable gear (13) and the fixed gear (8) form a rotating structure through a connecting shaft (12).