CN218407860U

CN218407860U - Exhaust fan for tunnel ventilation

Info

Publication number: CN218407860U
Application number: CN202222643217.7U
Authority: CN
Inventors: 邵文秀; 蔡孝凯; 刘彤妍; 李化丰; 赵阳奇
Original assignee: Heilongjiang Blueprint Surveying And Mapping Design Consulting Co ltd
Current assignee: Heilongjiang Blueprint Surveying And Mapping Design Consulting Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-01-31
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses an air discharge fan that tunnel ventilation used, which comprises a housing, the rose box with the casing intercommunication, locate the inside motor of casing, set firmly in a plurality of flabellums of motor output and be used for the actuating mechanism who releases motor and flabellum, the utility model discloses a set up the casing, the rose box, including a motor, an end cap, a controller, and a cover plate, the flabellum, the diaphragm, first guide bar, the fixed plate, the first lantern ring, the head rod, the push pedal, the locating lever, the electric putter, second connecting rod and half staple bolt, when having solved current exhaust fan at the inside gas of extraction tunnel, the easy adhesion of dust granule is on flabellum and motor housing to influence the work of exhaust fan, because flabellum and motor all are located the fan housing, and the motor is through the inside of more bolt fastening at the fan housing, when maintaining clearance to flabellum and motor, need consume a large amount of time and strength and remove and dismantle the screw, lead to maintain the problem that the degree of difficulty and maintenance work load all increase.

Description

Exhaust fan for tunnel ventilation

Technical Field

The utility model belongs to the technical field of the tunnel ventilation, especially, relate to an air discharge fan that tunnel ventilation used.

Background

During tunnel construction, can produce dust and waste gas, consequently must ventilate and remove dust to the construction tunnel, the ventilation of current tunnel adopts the mode of air duct formula ventilation more, and the wind flows through the pipeline transport promptly, and air duct formula ventilation divide into pressure formula, pull-out type, three kinds of modes of hybrid again, when the tunnel is longer, need adopt hybrid ventilation, let in the tunnel through ventilating fan and scavenge pipe with gas promptly, take out the tunnel with gas through exhaust fan and blast pipe, the problem that prior art exists is: present exhaust fan is when extracting the inside gas in tunnel, and the easy adhesion of dust granule is on flabellum and motor housing to influence exhaust fan's work, because flabellum and motor all are located fan shell, and the motor is all through the inside of more bolt fastening at fan shell, when maintaining the clearance to flabellum and motor, need consume a large amount of time and strength and remove the dismantlement screw, lead to maintaining the degree of difficulty and maintain the work load and all increase.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides an air discharge fan that tunnel ventilation used, possess and to release motor and flabellum from the casing the inside through electric putter, the time of twisting the screw has been saved, thereby be convenient for the workman clear up the dust on flabellum and the motor, and simultaneously, through two filters, can filter the waste gas in the tunnel, improve motor and flabellum protectiveness, reduce the advantage of maintaining the frequency, current air discharge fan when extracting the inside gas in tunnel, the easy adhesion of dust granule is on flabellum and motor housing, thereby influence the work of air discharge fan, because flabellum and motor all are located the fan shell, and the motor all is through the inside of more bolt fastening at the fan shell, when maintaining clearance to flabellum and motor, need consume a large amount of time and strength gas and remove the dismantlement screw, lead to maintain the degree of difficulty and the problem that the maintenance work load all increased.

The utility model discloses a what realize like this, an air discharge fan that tunnel ventilation used, including the casing, with the rose box of casing intercommunication, locate the inside motor of casing, set firmly in a plurality of flabellums of motor output and be used for the actuating mechanism who releases motor and flabellum, actuating mechanism is including setting firmly in the inside diaphragm of casing, locating diaphragm upper portion and being located two first guide bars of motor both sides, locating first guide bar both ends and the fixed plate that links firmly with the diaphragm, the first lantern ring on first guide bar is located to the cover, set firmly the head rod on first lantern ring, set firmly the push pedal on the head rod, set firmly in two locating levers inside the casing, locate two inside electric push rods of casing, set firmly the second connecting rod in the push pedal and locate two outside half staple bolts of motor, two the top of half staple bolt fastening, two the bottom of half staple bolt is articulated, the one end and the locating lever of electric push rod link firmly, half staple bolt can dismantle with the second connecting rod and be connected, first lantern ring and first guide bar sliding connection, two one end and two staple bolts of electric push rod link firmly respectively the other end of two staple bolts.

As the utility model discloses it is preferred, the end of second connecting rod has set firmly the mounting panel, the mounting panel passes through bolted connection with half staple bolt.

As the utility model discloses preferred, two the both sides of half staple bolt all are equipped with the extension plate, one side of extension plate has set firmly the arc, arc and extension plate mutually perpendicular, the butt of arc inner wall and motor.

As the utility model discloses it is preferred, the inside of casing is equipped with two second guide bars, two the both ends of second guide bar have set firmly the dead lever, the dead lever links firmly, two with the casing all the cover is equipped with the second lantern ring on the second guide bar, the third connecting rod has set firmly on the second lantern ring, the third connecting rod links firmly with the push pedal, the second lantern ring and second guide bar sliding connection.

As the utility model discloses it is preferred, one side of rose box is equipped with the convulsions section of thick bamboo, the inside of rose box is equipped with two filters, the one end casing intercommunication of rose box, rose box and convulsions section of thick bamboo intercommunication, two the filtration pore has all been seted up on the filter.

As the utility model discloses preferred, the filtration pore diameter on the filter that is close to the suction tube is greater than another filter.

As the utility model discloses preferred, two the filter all runs through the top surface of rose box and extends to outside the rose box, two the filter all with rose box sliding connection.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the casing, the rose box, including a motor, an end cap, a controller, and a cover plate, the flabellum, the diaphragm, first guide bar, the fixed plate, the first lantern ring, the head rod, the push pedal, the locating lever, electric push rod, second connecting rod and half staple bolt, reached through two half staple bolts, can fix the motor, promote the push pedal in step through two electric push rods, can release the motor from the casing is inside, thereby be convenient for the staff to clear up the dust on flabellum and the motor housing, the maintenance efficiency of improvement, the effect of maintaining the degree of difficulty has been reduced.

2. The utility model discloses a set up the mounting panel, can pull down the motor when maintaining as required, through twisting the bolt on mounting panel and half staple bolt, can dismantle the motor get off, easy operation is swift.

3. The utility model discloses a set up extension plate and arc, can support the both ends of motor through the arc, improve the fixed stability of motor.

4. The utility model discloses a set up second guide bar, dead lever, the second lantern ring and third connecting rod, can make the second lantern ring slide along the second guide bar when electric push rod push motor slides to improve the sliding stability of motor, can improve the stability when motor operation simultaneously.

5. The utility model discloses a set up air extracting cylinder and filter, can make the waste gas in the tunnel get into air extracting cylinder, can filter waste gas through the filter, prevent that the dust granule from getting into the casing in, improve the protection effect to motor and flabellum, reduce and maintain the frequency.

6. The utility model discloses a filter hole diameter on setting up the filter that is close to the suction tube is greater than another filter, can realize hierarchical filterable effect through two filters to improve filtration efficiency.

7. The utility model discloses a set up two filters and all run through the top surface of rose box and extend to outside the rose box, two filters all with rose box sliding connection, can be convenient for take out the clearance with two filters, easy operation is convenient.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a left side view provided by an embodiment of the present invention;

fig. 3 isbase:Sub>A perspective cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2 according to an embodiment of the present invention;

fig. 4 is a front view provided by the embodiment of the present invention;

fig. 5 is a cross-sectional view taken at B-B of fig. 2 according to an embodiment of the present invention;

fig. 6 is a schematic diagram of an internal structure of a housing according to an embodiment of the present invention.

In the figure: 1. a housing; 2. a filter box; 3. a motor; 4. a fan blade; 5. a transverse plate; 6. a first guide bar; 7. a fixing plate; 8. a first collar; 9. a first connecting rod; 10. pushing the plate; 11. positioning a rod; 12. an electric push rod; 13. a second connecting rod; 14. half of hoop; 15. mounting a plate; 16. an extension plate; 17. an arc-shaped plate; 18. a second guide bar; 19. a fixing rod; 20. a second collar; 21. a third connecting rod; 22. a wind suction barrel; 23. a filter plate.

Detailed Description

For further understanding the contents, features and effects of the present invention, the following embodiments will be illustrated in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, an exhaust fan for tunnel ventilation provided in the embodiment of the present invention comprises a casing 1, a filter box 2 communicated with the casing 1, a motor 3 disposed inside the casing 1, a plurality of fan blades 4 fixedly disposed at the output end of the motor 3, and a driving mechanism for pushing out the motor 3 and the fan blades 4, wherein the driving mechanism comprises a horizontal plate 5 fixedly disposed inside the casing 1, two first guide rods 6 disposed on the upper portion of the horizontal plate 5 and located on both sides of the motor 3, a fixing plate 7 disposed at both ends of the first guide rods 6 and fixedly connected with the horizontal plate 5, a first sleeve ring 8 sleeved on the first guide rods 6, a first connecting rod 9 fixedly disposed on the first sleeve ring 8, a push plate 10 fixedly disposed on the first connecting rod 9, two positioning rods 11 fixedly disposed inside the casing 1, two electric push rods 12 disposed inside the casing 1, a second connecting rod 13 fixedly disposed on the push plate 10, and two half hoops 14 disposed outside the motor 3, two bolt fastening is passed through at half staple bolt 14's top, two half staple bolt 14's bottom is articulated, the one end and the locating lever 11 of electric push rod 12 link firmly, half staple bolt 14 can dismantle with second connecting rod 13 and be connected,

first lantern ring

8 and 6 sliding connection of first guide bar, two the one end of electric push rod 12 links firmly with two locating levers 11 respectively, two the other end of electric push rod 12 links firmly with two push pedal 10 respectively.

Referring to fig. 5, a mounting plate 15 is fixedly arranged at the tail end of the second connecting rod 13, and the mounting plate 15 is connected with the half hoop 14 through a bolt.

Adopt above-mentioned scheme: through setting up mounting panel 15, can pull down motor 3 when maintaining as required, through twisting off mounting panel 15 and half the bolt on the staple bolt 14, can dismantle motor 3, easy operation is swift.

Referring to fig. 6, extension plates 16 are respectively disposed on two sides of each of the two half hoops 14, an arc plate 17 is fixedly disposed on one side of each of the extension plates 16, the arc plate 17 is perpendicular to the extension plates 16, and an inner wall of the arc plate 17 abuts against the motor 3.

Adopt above-mentioned scheme: through setting up extension plate 16 and arc 17, can support the both ends of motor 3 through arc 17, improve motor 3's fixed stability.

Referring to fig. 5 and 6, the inside of casing 1 is equipped with two second guide bars 18, two the both ends of second guide bar 18 have set firmly dead lever 19, dead lever 19 links firmly with casing 1, two all the cover is equipped with second lantern ring 20 on the second guide bar 18, set firmly third connecting rod 21 on the second lantern ring 20, third connecting rod 21 links firmly with push pedal 10, second lantern ring 20 and second guide bar 18 sliding connection.

Adopt above-mentioned scheme: through setting up second guide bar 18, dead lever 19, second collar 20 and third connecting rod 21, can make second collar 20 slide along second guide bar 18 when electric push rod 12 promotes motor 3 and slides to improve motor 3's sliding stability, can improve the stability when motor 3 moves simultaneously.

Referring to fig. 3, a suction cylinder 22 is arranged on one side of the filter box 2, two filter plates 23 are arranged inside the filter box 2, the casing 1 at one end of the filter box 2 is communicated, the filter box 2 is communicated with the suction cylinder 22, and filter holes are formed in the two filter plates 23.

Adopt above-mentioned scheme: through setting up the dryer 22 and filter 23, can make the waste gas in the tunnel get into the dryer 22, can filter waste gas through filter 23, prevent that the dust granule from getting into casing 1 in, improve the protection effect to motor 3 and flabellum 4, reduce and maintain the frequency.

Referring to fig. 3, the diameter of the filter hole of the filter plate 23 adjacent to the suction duct 22 is larger than that of the other filter plate 23.

Adopt above-mentioned scheme: the diameter of the filter hole on the filter 23 close to the air suction tube 22 is larger than that of the other filter 23, so that the effect of graded filtration can be realized through the two filters 23, the tunnel waste gas can block large-particle dust when passing through the filter 23 close to the air suction tube 22, and the filter 23 far away from the air suction tube 22 can block small-particle dust, thereby improving the filtering efficiency.

Referring to fig. 3, two of the filter plates 23 penetrate the top surface of the filter box 2 and extend to the outside of the filter box 2, and the two filter plates 23 are slidably connected to the filter box 2.

Adopt above-mentioned scheme: through setting up two filters 23 and all running through the top surface of rose box 2 and extending to outside rose box 2, two filters 23 all with 2 sliding connection of rose box, can be convenient for take two filters 23 out the clearance, easy operation is convenient.

The utility model discloses a theory of operation:

when the motor is used, firstly, the two electric push rods 12 are started, the two electric push rods 12 can simultaneously push the push plate 10, the first lantern ring 8 can slide along the first guide rod 6, the second lantern ring 20 can slide along the second guide rod 18, the motor 3 and the fan blade 4 can stably slide out of the shell 1, then, dust on the fan blade 4 and the motor 3 can be removed, when the motor 3 needs to be maintained inside, the motor 3 can be detached by loosening bolts on the mounting plate 15 and the half hoop 14, the motor 3 can be taken out of the two half hoops 14 by loosening bolts on the two half hoops 14, the mounting plate 15 and the half hoop 14 slide to the outside of the shell 1, the difficulty in detaching the bolts is reduced, the maintenance efficiency is improved, and the maintenance workload is reduced.

In summary, the following steps: this air discharge fan that tunnel ventilation used, through setting up casing 1, rose box 2, motor 3, flabellum 4, diaphragm 5, first guide bar 6, fixed plate 7, first lantern ring 8, head rod 9, push pedal 10, locating lever 11, electric push rod 12, second connecting rod 13 and half staple bolt 14, solved current exhaust fan when extracting the inside gas in tunnel, the dust granule adheres easily on flabellum 4 and motor 3 shell, thereby influence the work of exhaust fan, because flabellum 4 and motor 3 all are located fan shell 1, and motor 3 all is the inside at fan shell 1 through more bolt fastening, when maintaining clearance to flabellum 4 and motor 3, need consume a large amount of time and strength gas and remove the dismantlement screw, lead to maintaining the problem that the degree of difficulty all increases with the maintenance work volume.

It is noted that, herein, relational terms such as first and second, and the like may be 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 an air discharge fan that tunnel ventilation used, includes casing (1), rose box (2) with casing (1) intercommunication, locates inside motor (3) of casing (1), sets firmly in a plurality of flabellum (4) of motor (3) output and is used for the actuating mechanism who releases motor (3) and flabellum (4), its characterized in that: the driving mechanism comprises a transverse plate (5) fixedly arranged in the casing (1), two first guide rods (6) arranged at the upper part of the transverse plate (5) and positioned at two sides of the motor (3), fixing plates (7) arranged at two ends of the first guide rods (6) and fixedly connected with the transverse plate (5), a first sleeve ring (8) sleeved on the first guide rods (6), a first connecting rod (9) fixedly arranged on the first sleeve ring (8), a push plate (10) fixedly arranged on the first connecting rod (9), two positioning rods (11) fixedly arranged in the casing (1), two electric push rods (12) arranged in the casing (1), a second connecting rod (13) fixedly arranged on the push plate (10) and two half hoops (14) arranged outside the motor (3), the tops of the two half hoops (14) are fixed through bolts, and the bottoms of the two half hoops (14) are hinged, one end of the electric push rod (12) is fixedly connected with the positioning rod (11), the half hoop (14) is detachably connected with the second connecting rod (13), the first sleeve ring (8) is connected with the first guide rod (6) in a sliding mode, one end of each of the two electric push rods (12) is fixedly connected with the two positioning rods (11), and the other end of each of the two electric push rods (12) is fixedly connected with the two push plates (10).

2. An exhaust fan for tunnel ventilation as claimed in claim 1, wherein: the tail end of the second connecting rod (13) is fixedly provided with a mounting plate (15), and the mounting plate (15) is connected with the half hoop (14) through a bolt.

3. An exhaust fan for tunnel ventilation as claimed in claim 1, wherein: two both sides of half staple bolt (14) all are equipped with extension plate (16), one side of extension plate (16) has set firmly arc (17), arc (17) and extension plate (16) mutually perpendicular, the butt of arc (17) inner wall and motor (3).

4. An exhaust fan for tunnel ventilation as claimed in claim 1, wherein: the inside of casing (1) is equipped with two second guide bars (18), two the both ends of second guide bar (18) have set firmly dead lever (19), dead lever (19) link firmly with casing (1), two it is equipped with second lantern ring (20) all to overlap on second guide bar (18), third connecting rod (21) have set firmly on the second lantern ring (20), third connecting rod (21) link firmly with push pedal (10), second lantern ring (20) and second guide bar (18) sliding connection.

5. An exhaust fan for tunnel ventilation as claimed in claim 1, wherein: one side of the filter box (2) is provided with a ventilation cylinder (22), two filter plates (23) are arranged inside the filter box (2), one end casing (1) of the filter box (2) is communicated, the filter box (2) is communicated with the ventilation cylinder (22), and filter holes are formed in the two filter plates (23).

6. An exhaust fan for tunnel ventilation as claimed in claim 5, wherein: the diameter of the filter hole on the filter plate (23) close to the air draft tube (22) is larger than that of the other filter plate (23).

7. An exhaust fan for use in ventilation tunnels as claimed in claim 5, wherein: two the filter (23) all run through the top surface of filter box (2) and extend to outside filter box (2), two filter (23) all with filter box (2) sliding connection.