CN116123113A

CN116123113A - Axial flow fan for tunnel brick kiln

Info

Publication number: CN116123113A
Application number: CN202310085513.6A
Authority: CN
Inventors: 吴剑维; 贺小营; 吴波; 张宝; 邵信新; 王昭
Original assignee: Henan Shuangxin Fire Protection Equipment Manufacturing Co ltd
Current assignee: Henan Shuangxin Fire Protection Equipment Manufacturing Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-05-16

Abstract

The invention relates to the technical field of axial flow fans and discloses an axial flow fan for a tunnel brickkiln, which comprises a base, wherein the top of the base is fixedly connected with a shell, the middle end of an inner cavity of the shell is fixedly connected with a baffle plate, the right side of the baffle plate is fixedly connected with a motor, the left side of the baffle plate is connected with an air duct through a supporting plate, a plurality of groups of air draft assemblies are arranged on an output shaft of the motor, each air draft assembly comprises two symmetrically distributed axial flow fan blade assemblies, each axial flow fan blade assembly comprises a first lantern ring and a second lantern ring which are sleeved on the output end of the motor.

Description

Axial flow fan for tunnel brick kiln

Technical Field

The invention relates to the technical field of axial flow fans, in particular to an axial flow fan for a tunnel brick kiln.

Background

The axial flow fan is widely used, namely, the air flow in the same direction as the axis of the fan blade, such as an electric fan, an external fan of an air conditioner is an axial flow type running fan, so the axial flow type running fan is called an axial flow type, because the air flows parallel to the axial flow of the fan, the axial flow type running fan is usually used in the occasion with higher flow requirement and lower pressure requirement, the axial flow type running fan is fixed in position and moves air, the axial flow type running fan mainly comprises a fan impeller and a shell, and the axial flow type running fan has a simple structure but has very high data requirement.

The utility model discloses a tunnel brick kiln axial fan as in application number CN107989811A, including the installation base, be provided with fixed frame on the installation base, fixed frame fixed mounting has the fan dryer, fixedly provided with the main shaft through multiunit connecting rod and bear the weight of the sleeve pipe in the fan dryer, the main shaft bears the weight of the sleeve pipe and is connected with the fan main shaft through the bearing, the fan main shaft passes through fan blade fixing device and fan flabellum fixed connection, the fan main shaft still is connected with axial-flow motor through gear drive mechanism, axial-flow motor installs in the thermal-insulated frame inside and axial-flow motor main shaft passes thermal-insulated frame front end, be provided with emergency refrigerating plant in the thermal-insulated frame; the invention sets the axial flow motor in the heat insulation frame, and sets the emergency cooling device in the heat insulation frame, when the infrared thermometer detects that the temperature in the heat insulation frame is not suitable for the operation of the axial flow motor, the emergency cooling device is started, the high temperature hot gas in the heat insulation frame is taken away, and the operation temperature of the axial flow motor is ensured.

Although the prior art meets the use requirements of users to a certain extent, certain defects still exist in the use process, and the specific problems are as follows: the axial flow fan does not have the function of automatic cleaning, the axial flow fan is used in a tunnel brickkiln for a long time, the surfaces of blades can be bound to adsorb excessive dust, normal rotation is easily affected by long-time accumulation, and the axial flow fan is inconvenient to radiate due to long-time high-load work, so that the axial flow fan is inconvenient to use by people.

In order to solve the problems, an improvement is made, and an axial flow fan for a tunnel brick kiln is provided.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an axial fan that tunnel brick kiln was used, includes the base, the top fixedly connected with shell of base, the middle-end fixedly connected with baffle of shell inner chamber, the right side fixedly connected with motor of baffle, the left side of baffle is connected with the dryer through the backup pad, be equipped with multiunit convulsions subassembly on the motor output shaft, the convulsions subassembly includes two axial fan blade subassemblies that are symmetrical distribution, axial fan blade subassembly is including the cover first lantern ring and the second lantern ring of establishing on the motor output, first lantern ring and second lantern ring inside wall all are connected with the output of motor through locking subassembly, one side that first lantern ring and second lantern ring are relative is equipped with the holding tank, the holding tank outer wall is provided with the rotary groove that is circumference array distribution, the rotary groove rotation has the pivot, pivot week lateral wall is equipped with first bevel gear through electromagnetic bolt and rotary groove swing joint, the one end that the pivot is located the rotary groove, the pivot is located outer one end is equipped with the flabellum, the air cavity is seted up to flabellum week lateral wall, be equipped with the air cavity in the air cavity, same axial fan blade subassembly when being in the same plane, all ring bevel gears are in the same plane, a ring is connected with a sealing disk, a sealing disk has.

Preferably, an internal threaded rod is fixed on the second bevel gear, a first conical toothed ring is arranged on the outer side wall of the internal threaded rod, a second conical toothed ring meshed with the first conical toothed ring is arranged in the accommodating groove, an external threaded rod driven by a stepping motor is connected with the internal threaded rod in an internal threaded manner, the stepping motor is arranged in a second sleeve ring, a matching groove matched with the stepping motor and the internal threaded rod is arranged in the second sleeve ring, a rotating ring is sleeved at one end, close to an output shaft of the stepping motor, of the external threaded rod, a multi-stage telescopic rod is arranged at one end of the rotating ring, the other end of the multi-stage telescopic rod is positioned in the internal threaded rod, a counter bore matched with the multi-stage telescopic rod is arranged in the internal threaded rod, the circumferential inner side wall of the rotating ring is connected with the external threaded rod through a limiting component, and one end, far away from the internal threaded rod, of the rotating ring is connected with the matching groove through an electromagnetic locking mechanism;

two sides of one of the axial flow fan blade assemblies positioned in the middle of the air duct are provided with air outlet pipes which are conducted under the control of electromagnetic valves, the flow directions of the two air outlet pipes are opposite, one air outlet pipe is communicated with the atmosphere, and the other air outlet pipe is communicated with a tunnel brick kiln cavity.

Preferably, the electromagnetic locking mechanism comprises an electromagnetic telescopic locking pin arranged in the rotating ring, and jacks matched with the electromagnetic telescopic locking pin are arranged on the inner wall of the matching groove in a circumferential array.

Preferably, the locking assembly comprises an electric telescopic column arranged on the inner walls of the first lantern ring and the second lantern ring, and a locking hole matched with the electric telescopic column in a locking mode is formed in an output shaft of the motor.

Preferably, the limiting assembly comprises an electromagnetic telescopic limiting pin arranged on the inner wall of the swivel and a limiting hole formed in the externally threaded rod.

Preferably, the right side at shell top is provided with heat dissipation mechanism, heat dissipation mechanism includes the heat dissipation case, heat dissipation case fixedly connected with is on the right side at shell top, the first fan of top fixedly connected with of heat dissipation case inner chamber, the first cassette of the equal fixedly connected with in the left and right sides of heat dissipation case inner chamber, the inboard joint of first cassette has first filter screen, the equal fixedly connected with refrigeration stick in the bottom of the left and right sides of heat dissipation case inner chamber and being located first filter screen, the bottom intercommunication of heat dissipation case has the conveyer pipe, the bottom intercommunication of conveyer pipe has the diffusion pipe, and a plurality of bleeder vents have been seted up to the bottom of diffusion pipe.

Preferably, the left side and the right side at the top of the diffusion tube are fixedly connected with fixing blocks, and the fixing blocks are fixedly connected to the top of the inner cavity of the shell.

Preferably, the front side of the heat dissipation box is movably connected with a box door through a hinge, and the front side of the box door is fixedly connected with a handle.

Preferably, the right side of shell inner chamber bottom fixedly connected with temperature sensor, the front side of shell is provided with temperature display.

Preferably, a plurality of heat dissipation holes are formed in the right side of the inner surface of the shell, a fixing seat is fixedly connected to the bottom of the right side of the shell, a dust screen is placed at the top of the fixing seat, a mounting bolt is connected to the inner surface of the fixing seat in a threaded mode, and the top of the mounting bolt is connected to the inner surface of the dust screen in a threaded mode.

Preferably, supporting legs are fixedly connected to the periphery of the bottom of the base, and anti-slip pads are arranged at the bottoms of the supporting legs.

Compared with the prior art, the invention provides an axial flow fan for a tunnel brick kiln, which has the following beneficial effects:

1. this axial fan through setting up heat dissipation mechanism, can cool down the back with external air and carry the inner chamber to the shell in dispel the heat to the motor, avoids the motor to lead to overheated because of the long-time work of high load, through setting up clearance mechanism, can clear up and inhale the dust on blade surface, avoids the blade surface to necessarily adsorb too much dust, piles up for a long time and influences normal rotation easily.

2. This axial fan through setting up the fixed block, can carry out spacingly to the diffusion tube, avoids the diffusion tube to drop, through setting up the chamber door, can make things convenient for people to dismantle the change to first filter screen, through setting up temperature sensor and temperature display, can make things convenient for people to look over the temperature of shell inner chamber in real time, through setting up mounting bolt and fixing base, can make things convenient for people to dismantle the dust screen to through setting up the dust screen, can avoid the dust to get into in the inner chamber of shell through the louvre.

3. According to the invention, the air inlet angle of the axial flow fan is changed in the first aspect, the second aspect can boost the pressure and the air quantity, the third aspect can realize external circulation, and the fourth aspect can perform self-cleaning.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a cleaning mechanism according to the present invention;

FIG. 3 is a schematic cross-sectional view of a heat dissipating mechanism according to the present invention;

FIG. 4 is a cross-sectional view of the housing of the present invention;

FIG. 5 is an enlarged schematic view of the structure A in FIG. 4 according to the present invention;

FIG. 6 is a schematic view of a diffuser pipe according to the present invention;

FIG. 7 is a schematic view of a riser construction of the present invention;

FIG. 8 is a schematic view of the structure of the housing of embodiment 2 of the present invention;

FIG. 9 is a schematic view showing the internal structure of the housing according to embodiment 2 of the present invention;

FIG. 10 is a schematic view showing the internal structure of a fan duct according to embodiment 2 of the present invention;

FIG. 11 is a schematic structural view of an axial flow fan blade assembly according to embodiment 2 of the present invention;

FIG. 12 is a cross-sectional view of an axial flow fan blade assembly according to embodiment 2 of the present invention;

fig. 13 is a cross-sectional view of a fan blade according to embodiment 2 of the present invention.

Wherein: 1. a base; 2. a housing; 3. a temperature display; 4. a door; 5. a heat dissipation mechanism; 501. a heat radiation box; 502. a first fan; 503. a first filter screen; 504. a first clamping seat; 505. a refrigeration rod; 506. a fixed block; 507. a delivery tube; 508. a diffusion tube; 6. a cabinet door; 7. a cleaning mechanism; 701. a cleaning cabinet; 702. a cylinder; 703. a connecting rod; 704. a slide block; 705. a riser; 706. a second clamping seat; 707. a second filter screen; 708. a second fan; 709. a U-shaped plate; 710. a brush; 711. a rotating rod; 712. a rotating motor; 713. a horn tube; 714. a dust collection pipe; 715. a fixed sleeve; 716. a fixed rod; 8. a blade; 9. an anti-slip pad; 10. support legs; 11. a fixing seat; 12. a dust screen; 13. a partition plate; 14. a motor; 15. a temperature sensor; 16. installing a bolt; 17. a heat radiation hole; 18. an axial flow fan blade assembly; 19. a first collar; 20. a second collar; 21. a receiving groove; 22. a rotating groove; 23. a rotating shaft; 24. a first bevel gear; 25. an internal threaded rod; 26. a stepping motor; 27. an external threaded rod; 28. a mating groove; 29. a swivel; 30. a multi-stage telescopic rod; 31. countersink; 32. an air duct; 33. an air outlet pipe; 34. a fan blade; 35. an air cavity; 36. an elastic sealing layer; 37. a first conical ring gear; 38. a second conical ring.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-7, in a first embodiment of the present invention, an axial flow fan for a tunnel kiln is provided, which includes a base 1, a housing 2 is fixedly connected to the top of the base 1, a partition 13 is fixedly connected to the middle end of the inner cavity of the housing 2, a motor 14 is fixedly connected to the right side of the partition 13, a blade 8 is fixedly connected to the output end of the motor 14, a heat dissipation mechanism 5 is disposed on the right side of the top of the housing 2, the heat dissipation mechanism 5 includes a heat dissipation box 501, the heat dissipation box 501 is fixedly connected to the right side of the top of the housing 2, a first fan 502 is fixedly connected to the top of the inner cavity of the heat dissipation box 501, a first clamping seat 504 is fixedly connected to both the left and right sides of the inner cavity of the heat dissipation box 501, a refrigerating rod 505 is fixedly connected to the bottom of the first filter 503, a conveying pipe 507 is communicated to the bottom of the conveying pipe 507, and a plurality of ventilation holes are formed in the bottom of the diffusing pipe 508.

Specifically, the left and right sides at the top of the diffusion tube 508 are fixedly connected with a fixing block 506, and the fixing block 506 is fixedly connected to the top of the inner cavity of the housing 2.

Through above-mentioned technical scheme, through setting up fixed block 506, can carry out spacing to diffusion pipe 508, avoid diffusion pipe 508 to drop.

Specifically, the front side of the heat dissipation box 501 is movably connected with the box door 4 through a hinge, and the front side of the box door 4 is fixedly connected with a handle.

Through above-mentioned technical scheme, through setting up chamber door 4, can make things convenient for people to dismantle the change to first filter screen 503.

Specifically, a temperature sensor 15 is fixedly connected to the right side of the bottom of the inner cavity of the housing 2, and a temperature display 3 is arranged on the front side of the housing 2.

Through above-mentioned technical scheme, through setting up temperature sensor 15 and temperature display 3, can make things convenient for people to look over the temperature of shell 2 inner chamber in real time.

Specifically, a plurality of heat dissipation holes 17 have been seted up on the right side of shell 2 internal surface, and the bottom fixedly connected with fixing base 11 on shell 2 right side, dust screen 12 has been placed at the top of fixing base 11, and the internal surface threaded connection of fixing base 11 has mounting bolt 16, and the top threaded connection of mounting bolt 16 is in the internal surface of dust screen 12.

Through above-mentioned technical scheme, through setting up mounting bolt 16 and fixing base 11, can make things convenient for people to dismantle dust screen 12 to through setting up dust screen 12, can avoid the dust to get into in the inner chamber of shell 2 through louvre 17.

Specifically, supporting legs 10 are fixedly connected to the periphery of the bottom of the base 1, and anti-slip pads 9 are arranged at the bottoms of the supporting legs 10.

Through above-mentioned technical scheme, through setting up slipmat 9, can play skid-proof effect, improve holistic stability.

The specific implementation manner of the embodiment is as follows: when the motor 14 needs to be cooled, the external air is sucked into the inner cavity of the cooling box 501 through the input end of the first fan 502, the air is filtered through the first filter screen 503, then the air is cooled through the cooling rod 505, and the cooled air enters the inner cavity of the shell 2 through the conveying pipe 507 and the diffusion pipe 508 to cool the motor 14, so that the motor 14 is prevented from being overheated due to long-time operation under high load and then damaged.

The left side at shell 2 top is provided with clearance mechanism 7, clearance mechanism 7 includes the clearance cabinet 701, clearance cabinet 701 fixedly connected with is in the left side at shell 2 top, the left side fixedly connected with cylinder 702 at clearance cabinet 701 inner chamber top, the bottom fixedly connected with U template 709 of cylinder 702, the bottom fixedly connected with rotation motor 712 of U template 709, the output fixedly connected with bull stick 711 of rotation motor 712, the surface of bull stick 711 is provided with a plurality of brushes 710, the right side fixedly connected with second fan 708 of clearance cabinet 701 inner chamber, the equal fixedly connected with second cassette 706 of upper and lower both sides of clearance cabinet 701 inner chamber, the inboard joint of second cassette 706 has second filter screen 707, the right side intercommunication of clearance cabinet 701 bottom has dust absorption pipe 714, the one end intercommunication that clearance cabinet 701 was kept away from to dust absorption pipe 714 has loudspeaker pipe 713.

Specifically, the outer surface of the dust suction pipe 714 is sleeved with a fixing sleeve 715, the right side of the fixing sleeve 715 is fixedly connected with a fixing rod 716, and the right side of the fixing rod 716 is fixedly connected to the top of the left side of the partition 13.

Through the technical scheme, the dust collection pipe 714 can be fixed by arranging the fixing sleeve 715 and the fixing rod 716, so that falling off is avoided.

Specifically, the middle end fixedly connected with riser 705 of cabinet 701 inner chamber, cylinder 702 has been seted up in the left side of riser 705, and the right side fixedly connected with connecting rod 703 at U template 709 top, the top fixedly connected with slider 704 on connecting rod 703 right side, and slider 704 sliding connection is in the inner chamber of cylinder 702.

Through the technical scheme, through setting up riser 705, cylinder 702, slider 704 and connecting rod 703, can improve the stability of U template 709 in-process of moving.

Specifically, the front side of the cleaning cabinet 701 is movably connected with a cabinet door 6 through a hinge, and the front side of the cabinet door 6 is fixedly connected with a handle.

Through above-mentioned technical scheme, through setting up cabinet door 6, can make things convenient for people to take out second filter screen 707 and wash or change.

The specific implementation manner of the embodiment is as follows: when needs clear up blade 8, drive bull stick 711 through the output of rotating motor 712 and rotate, bull stick 711 drives brush 710 and rotates, then, extends through cylinder 702 and drives U template 709 and move down, and U template 709 drives brush 710 and move down, clear up the surface of blade 8, avoid stubborn dust adhesion in the surface of blade 8, produce the suction through the input of second fan 708 to in the inner chamber of cleaning cabinet 701 is inhaled the dust on blade 8 surface through dust absorption pipe 714 and loudspeaker pipe 713, guarantee the clean and tidy of blade 8 surface.

When in use, when the blade 8 needs to be cleaned, the output end of the rotating motor 712 drives the rotating rod 711 to rotate, the rotating rod 711 drives the brush 710 to rotate, then, the air cylinder 702 extends to drive the U-shaped plate 709 to move downwards, the U-shaped plate 709 drives the brush 710 to move downwards, the surface of the blade 8 is cleaned, the intractable dust is prevented from adhering to the outer surface of the blade 8, suction force is generated through the input end of the second fan 708, dust on the surface of the blade 8 is sucked into the inner cavity of the cleaning cabinet 701 through the dust suction pipe 714 and the horn 713, the cleanliness of the outer surface of the blade 8 is ensured, when the motor 14 needs to be radiated, the external air is sucked into the inner cavity of the heat radiation box 501 through the input end of the first fan 502, the air is firstly filtered through the first filter screen 503, then, the air after refrigeration is refrigerated through the refrigerating rod 505, the air enters the inner cavity of the shell 2 through the conveying pipe 507 and the diffusing pipe 508, the motor 14 is prevented from radiating, and the damage caused by overheat due to long-time working of the high load is avoided.

Example two

Based on the previous embodiment, although embodiment 1 can clean the axial fan, but can not carry out the regulation of axial fan air inlet angle, in tunnel brickkiln manufacturing process simultaneously, often need an axial fan air supply, and another outwards is ventilated, can't adopt a fan to satisfy the extrinsic cycle simultaneously, and axial fan air pressure is low simultaneously, to long distance transport, can't satisfy the demand, in order to solve above-mentioned technical problem, carries out following improvement.

As shown in fig. 8-13, an axial flow fan for a tunnel brick kiln comprises a base 1, the top of the base 1 is fixedly connected with a shell 2, the middle end of the inner cavity of the shell 2 is fixedly connected with a baffle 13, the right side of the baffle 13 is fixedly connected with a motor 14, the left side of the baffle 13 is connected with an air duct 32 through a supporting plate, a plurality of groups of air draft assemblies are arranged on the output shaft of the motor 14, the air draft assemblies comprise two symmetrically distributed axial flow fan blade assemblies 18, the axial flow fan blade assemblies 18 comprise a first lantern ring 19 and a second lantern ring 20 which are sleeved on the output end of the motor 14, the inner side walls of the first lantern ring 19 and the second lantern ring 20 are connected with the output end of the motor 14 through locking assemblies, one side of the first lantern ring 19 opposite to the second lantern ring 20 is provided with an accommodating groove 21, the outer wall of the accommodating groove 21 is provided with a rotating groove 22 distributed in a circumferential array, a rotating shaft 23 is rotated in the rotating groove 22, the side wall of the periphery of the rotating shaft 23 is movably connected with the rotating groove 22 through an electromagnetic bolt, a first bevel gear 24 is arranged at one end of the rotating shaft 23 positioned in the rotating groove 22, a fan blade 34 is arranged at one end of the rotating shaft 23 positioned outside the lantern ring, an air cavity 35 is arranged at the side wall of the periphery of the fan blade 34, an elastic sealing layer 36 is arranged in the air cavity 35, when all the fan blades 34 on the same axial flow fan blade assembly 18 are positioned on the same plane, a closed annular disk is formed in the fan blade 34 and is in sealing connection with the air cylinder 32, a second bevel gear is meshed with the first bevel gear 24, an internal threaded rod 25 is fixed on the second bevel gear, a first conical tooth ring 37 is arranged on the outer side wall of the internal threaded rod 25, a second conical tooth ring 38 meshed with the first conical tooth ring 37 is arranged in the accommodating groove 21, an external threaded rod 27 driven by a stepping motor 26 is connected with the internal thread of the internal threaded rod 25, the stepping motor 26 is arranged in the second lantern ring 20, the second lantern ring 20 is internally provided with a matching groove 28 matched with the stepping motor 26 and the internal threaded rod 25, one end, close to the output shaft of the stepping motor 26, of the external threaded rod 27 is sleeved with a swivel 29, one end of the swivel 29 is provided with a multi-stage telescopic rod 30, the other end of the multi-stage telescopic rod 30 is positioned in the internal threaded rod 25, a counter bore 31 matched with the multi-stage telescopic rod 30 is arranged in the internal threaded rod 25, the circumferential inner side wall of the swivel 29 is connected with the external threaded rod 27 through a limiting component, and one end, far away from the internal threaded rod 25, of the swivel 29 is connected with the matching groove 28 through an electromagnetic locking mechanism.

Two sides of one axial flow fan blade component 18 positioned in the middle of the air duct 32 are respectively provided with an air outlet pipe 33 which is conducted by electromagnetic valve control, the flow directions of the two air outlet pipes 33 are opposite, one air outlet pipe 33 is communicated with the atmosphere, and the other air outlet pipe 33 is communicated with a tunnel brick kiln chamber; the invention controls the opening and closing of the electromagnetic valve by controlling the electromagnetic valve, thereby controlling the on-off of the air pipe 33.

The electromagnetic locking mechanism comprises an electromagnetic telescopic locking pin arranged in a swivel 29, and jacks matched with the electromagnetic telescopic locking pin are arranged on the inner wall of the matching groove 28 in a circumferential array; the invention enables the electromagnetic telescopic lock pin to be inserted into the jack by controlling the extension of the electromagnetic telescopic lock pin, thereby locking the swivel 29 and the matching groove 28.

The locking assembly comprises an electric telescopic column arranged on the inner walls of the first lantern ring 19 and the second lantern ring 20, and a locking hole which is in locking fit with the electric telescopic column is arranged on the output shaft of the motor 14; the invention can lock the first collar 19 and the second collar 20 with the output shaft of the motor 14 by controlling the extension and insertion of the electric telescopic column into the locking hole, thereby enabling the motor 14 to drive the first collar 19 and the second collar 20 to rotate.

The limiting component comprises an electromagnetic telescopic limiting pin arranged on the inner wall of a swivel 29 and a limiting hole formed in an external threaded rod 27, and the electromagnetic telescopic limiting pin is controlled to extend, so that the electromagnetic telescopic limiting pin extends out and is inserted into the limiting hole, the swivel 29 and the external threaded rod 27 are locked, and further, in the process that a stepping motor 26 drives the external threaded rod 27 to rotate, the swivel 29 is driven to rotate, the swivel 29 rotates and drives a multi-stage telescopic rod 30 to rotate, the multi-stage telescopic rod 30 rotates and drives an internal threaded rod 25 to rotate, the internal threaded rod 25 rotates and drives the external threaded rod 27, the external threaded rod 27 rotates and drives a second bevel gear to rotate, the second bevel gear rotates and drives a first bevel gear 24 to rotate, the first bevel gear 24 rotates and drives a rotating shaft 23 to rotate, and the rotating shaft 23 rotates and drives a fan blade 34 to rotate, so that the opening angle of the fan blade 34 is realized, and the air inlet quantity is adjusted.

When the air inlet control device is used, the locking components on the first lantern ring 19 and the second lantern ring 20 are controlled to be locked, the first lantern ring 19 and the second lantern ring 20 are locked with the output shaft of the motor 14, then the electromagnetic telescopic lockpin is controlled to extend, the electromagnetic telescopic lockpin is inserted into the jack, so that the rotating ring 29 is locked with the matching groove 28, the rotating ring 29 is connected with the multistage telescopic rod 30, meanwhile, the multistage telescopic rod 30 is connected with the internal threaded rod 25, so that the internal threaded rod 25 is limited in the rotation direction of the output shaft around the stepping motor 26, then the stepping motor 26 is controlled to rotate, the stepping motor 26 rotates and drives the external threaded rod 27 to rotate, meanwhile, the rotating ring 29 rotates and drives the multistage telescopic rod 30 to rotate, the multistage telescopic rod 30 rotates and drives the internal threaded rod 25 to rotate, the internal threaded rod 25 rotates and drives the external threaded rod 27 to rotate, the external threaded rod 27 rotates and drives the second bevel gear to rotate and drives the first bevel gear 24 to rotate, the first bevel gear 24 rotates and drives the rotating shaft 23 to rotate, the rotating shaft 23 rotates and drives 34 to rotate, and the fan blades 34 opens a certain air inlet angle, and then the motor 14 is opened, and the air inlet angle of the air inlet 34 is adjusted.

When pressurization is needed, the locking assembly on the second lantern ring 20 is controlled to unlock, then the electromagnetic telescopic lockpins on the rotating rings 29 corresponding to the two stepping motors 26 which are symmetrically arranged are controlled to extend, the electromagnetic telescopic lockpins are inserted into the insertion holes, so that the rotating rings 29 are locked with the matching grooves 28, the rotating rings 29 are connected with the multi-stage telescopic rods 30, the multi-stage telescopic rods 30 are connected with the internal threaded rods 25, the internal threaded rods 25 are limited in the rotation direction around the output shafts of the stepping motors 26, then the stepping motors 26 are controlled to rotate, the stepping motors 26 rotate and drive the external threaded rods 27 to rotate, under the action of threads, the internal threaded rods 25 are contracted, the first conical toothed rings 37 are meshed with the second conical toothed rings 38, then the limiting assemblies on the rotating rings 29 corresponding to the two stepping motors 26 which are symmetrically arranged are controlled to lock and simultaneously control the corresponding electromagnetic telescopic unlocking, thereby make swivel 29 and cooperation groove 28 locking release, make swivel 29 and external screw rod 27 locking simultaneously, then control above-mentioned two step motor 26 rotations, step motor 26 rotates and drives external screw rod 27 rotation, external screw rod 27 rotates and drives swivel 29 rotation, swivel 29 rotates and drives multistage telescopic link 30 rotation, multistage telescopic link 30 rotates and drives internal screw rod 25 rotation, internal screw rod 25 rotates and drives first awl ring 37 rotation, first awl ring 37 rotates and drives second awl ring 38 rotation, second awl ring 38 rotates and drives second lantern ring 20 to rotate around motor 14 output shaft, thereby on the basis of motor 14 drives axial fan blade assembly 18 pivoted speed, further improve flabellum 34 rotational speed, thereby realize the pressure boost and increase wind.

When the inside and outside air change is required, the electromagnetic telescopic lock pins corresponding to the rotary ring 29 on the axial flow fan blade assembly 18 between the two air outlet pipes 33 are controlled to extend, the electromagnetic telescopic lock pins are inserted into the insertion holes, so that the rotary ring 29 and the matching grooves 28 are locked, the rotary ring 29 and the outside threaded rod 27 are simultaneously locked, the multistage telescopic rod 30 is simultaneously connected with the inside threaded rod 25, so that the inside threaded rod 25 is limited in the rotation direction around the output shaft of the stepping motor 26, then the stepping motor 26 is controlled to rotate, the stepping motor 26 rotates and drives the outside threaded rod 27 to rotate, under the action of threads, the inside threaded rod 25 extends out, the second bevel gear is meshed with the first bevel gear 24, then the limiting assembly on the rotary ring 29 corresponding to the stepping motor 26 is controlled to be locked, the corresponding electromagnetic telescopic lock pins are controlled to be unlocked, the rotary ring 29 and the outside threaded rod 27 are simultaneously locked, then the multistage motor 26 is controlled to rotate, the outside threaded rod 27 is driven to rotate, the rotary ring 29 is driven to rotate and drives the outside threaded rod 29 to rotate, then the stepping motor 26 rotates and drives the outside threaded rod 27 to rotate, the inside threaded rod 30 rotates and drives the outside threaded rod 27 to rotate, and the inside threaded rod 32 to rotate, and then the second bevel gear 30 rotates and one of the rotary ring 32 rotates, and the rotary ring 32 rotates and the same as the rotary ring 32, and the rotary ring 32 rotates and the rotary ring 25 rotates, and the rotary ring 34 rotates and the corresponding bevel gear 34 rotates, and the matching groove 28, and the other rotary rod 34 rotates, and the rotary rod is rotated 34 rotates. Thereby realizing inward gas delivery, then controlling one of the air outlet pipes 33 to be communicated with the atmosphere through an electromagnetic valve, then controlling the rotation angle of the fan blades 34, and adjusting the wind direction, thereby extracting the wind in the cavity of the tunnel brick kiln, and then reaching one of the air outlet pipes 33 to be communicated with the atmosphere through the air duct 32, thereby realizing external circulation.

When the fan blade 34 needs to be cleaned, one fan blade 34 on one of the two symmetrically arranged axial flow fan blade assemblies 18 can be controlled to rotate ninety degrees, then the air cavity 35 corresponding to the fan blade 34 is inflated, the elastic sealing layer 36 is inflated, the second lantern ring 20 is controlled to be in contact with the fan blade 34 on the other axial flow fan blade assembly 18, then one axial flow fan blade assembly 18 is controlled to be unlocked from the output shaft of the motor 14, and the other axial flow fan blade assembly 18 is cleaned by rotating the motor 14 and driving the fan blade 34 rotating ninety degrees.

In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an axial fan that tunnel brick kiln was used, includes base, its characterized in that: the top fixedly connected with shell of base, the middle-end fixedly connected with baffle of shell inner chamber, the right side fixedly connected with motor of baffle, the left side of baffle is connected with the dryer through the backup pad, be equipped with multiunit convulsions subassembly on the motor output shaft, the convulsions subassembly includes two axial fan blade subassemblies that are symmetric distribution, the axial fan blade subassembly is including the cover first lantern ring and the second lantern ring of cover on the motor output, first lantern ring and second lantern ring inside wall all are connected with the output of motor through locking subassembly, the relative one side of first lantern ring and second lantern ring is equipped with the holding tank, the holding tank outer wall is provided with the rotary groove that is circumference array distribution, the rotary inslot rotation has the pivot, the pivot circumference lateral wall is equipped with first bevel gear through electromagnetic latch and rotary groove swing joint, the pivot is equipped with the flabellum in the outer one end of lantern ring, the air cavity has been seted up to the flabellum circumference lateral wall, same be equipped with an elasticity flabellum in the air cavity, same when all on the axial fan blade subassembly are in the coplanar, first lantern ring and second ring form the ring, and be equipped with a seal ring, a seal ring is equipped with the seal ring on the second conical ring, seal ring has the seal ring, the seal ring has on the second conical ring, the seal ring has the seal ring.

2. An axial flow fan for a tunnel kiln according to claim 1, wherein: the internal thread of the internal thread rod is connected with an external thread rod driven by a stepping motor, the stepping motor is arranged in a second sleeve ring, a matching groove matched with the stepping motor and the internal thread rod is formed in the second sleeve ring, one end, close to an output shaft of the stepping motor, of the external thread rod is sleeved with a swivel, one end of the swivel is provided with a multi-stage telescopic rod, the other end of the multi-stage telescopic rod is positioned in the internal thread rod, a counter bore matched with the multi-stage telescopic rod is formed in the internal thread rod, the circumferential inner side wall of the swivel is connected with the external thread rod through a limiting assembly, and one end, far away from the internal thread rod, of the swivel is connected with the matching groove through an electromagnetic locking mechanism;

3. An axial flow fan for a tunnel kiln according to claim 1, wherein: the electromagnetic locking mechanism comprises an electromagnetic telescopic locking pin arranged in the rotating ring, and insertion holes matched with the electromagnetic telescopic locking pin are formed in the inner wall of the matching groove in a circumferential array;

the locking assembly comprises an electric telescopic column arranged on the inner walls of the first lantern ring and the second lantern ring, and a locking hole matched with the electric telescopic column in a locking mode is formed in an output shaft of the motor.

4. An axial flow fan for a tunnel kiln according to claim 1, wherein: the limiting assembly comprises an electromagnetic telescopic limiting pin arranged on the inner wall of the swivel and a limiting hole formed in the externally threaded rod.

5. An axial flow fan for a tunnel kiln according to claim 1, wherein: the right side at shell top is provided with cooling mechanism, cooling mechanism includes the cooling tank, cooling tank fixedly connected with is on the right side at shell top, the first fan of top fixedly connected with of cooling tank inner chamber, the equal fixedly connected with of the left and right sides of cooling tank inner chamber is first cassette, the inboard joint of first cassette has first filter screen, the equal fixedly connected with refrigeration stick in the bottom of the left and right sides of cooling tank inner chamber and being located first filter screen, the bottom intercommunication of cooling tank has the conveyer pipe, the bottom intercommunication of conveyer pipe has the diffusion pipe, and a plurality of bleeder vents have been seted up to the bottom of diffusion pipe.

6. An axial flow fan for a tunnel kiln according to claim 5, wherein: the left and right sides at diffusion pipe top all fixedly connected with fixed block, and fixed block fixed connection is in the top of shell inner chamber.

7. An axial flow fan for a tunnel kiln according to claim 5, wherein: the front side of the heat dissipation box is movably connected with a box door through a hinge, and the front side of the box door is fixedly connected with a handle.

8. An axial flow fan for a tunnel kiln according to claim 1, wherein: the right side of shell inner chamber bottom fixedly connected with temperature sensor, the front side of shell is provided with temperature display.

9. An axial flow fan for a tunnel kiln according to claim 1, wherein: the right side of shell internal surface has seted up a plurality of louvres, the bottom fixedly connected with fixing base on shell right side, the dust screen has been placed at the top of fixing base, the internal surface threaded connection of fixing base has the mounting bolt, and the top threaded connection of mounting bolt in the internal surface of dust screen.

10. An axial flow fan for a tunnel kiln according to claim 1, wherein: supporting legs are fixedly connected to the periphery of the bottom of the base, and anti-slip pads are arranged at the bottoms of the supporting legs.