CN113007150B - Industrial axial flow fan - Google Patents

Abstract

The invention discloses an industrial axial flow fan, relating to the technical field of axial flow fans, comprising: the device comprises a fan mechanism, a dismounting mechanism and a filtering mechanism, wherein the filtering mechanism is arranged on the rear side of the fan mechanism, and a cleaning mechanism is arranged on the front side of the filtering mechanism and fixedly connected to the fan mechanism; this scheme is through setting up filtering mechanism, wherein two filter screens and filter core cooperation can filter fan exhaust air, discharge again after filtering the air and avoid the environment to receive the pollution, through setting up ring gear and gear, it is rotatory to drive the ring gear through the connecting rod when wherein the fixed axle is rotatory, the ring gear drives the gear rotation, the gear drives first pivot rotation, a plurality of dead levers are gathered together to the middle part, a plurality of rubber pads can be gathered together this moment, adjust air exhaust position, adjust through adjusting position control air exhaust position convenience and avoid causing the influence to exhaust work according to service environment.

Description

Industrial axial flow fan

Technical Field

The invention relates to the technical field of axial flow fans, in particular to an industrial axial flow fan.

Background

Axial flow fans are airflow in the same direction as the axis of the fan blades, such as electric fans, and fans outside air conditioners are axial flow running fans. The "axial flow" is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial flow fan can be divided into a steel fan, an anticorrosive fan, a PVC fan, a stainless steel fan and the like.

Axial fan does not generally possess filtering mechanism among the prior art, and when the axial fan need get rid of the air that has the pollution nature, the air can't be purified and discharged and can cause the pollution to the outside air, and fan blade size among the prior art is fixed simultaneously, leads to the volume of airing exhaust to be in the stationary state, can't make the adjustment to different situations under different environment, still has certain defect in the use.

Disclosure of Invention

The invention aims to provide an industrial axial flow fan which can filter the exhausted air and achieve the characteristic of controlling the exhaust air volume and being suitable for different environments.

The technical purpose of the invention is realized by the following technical scheme:

an industrial axial flow fan comprising: the fan mechanism, the disassembly mechanism and the filtering mechanism are arranged, the filtering mechanism is arranged on the rear side of the fan mechanism, the cleaning mechanism is arranged on the front side of the filtering mechanism, the cleaning mechanism is fixedly connected to the fan mechanism, and the disassembly mechanism is arranged on the outer side of the filtering mechanism;

the fan mechanism comprises a shell, a stator, a first fan blade and a fixed shaft;

the motor comprises a shell, a stator is arranged in the shell, a fixed shaft is fixedly connected to an output shaft of the stator, first fan blades are clamped to the outer side of the fixed shaft, the outer surface of the fixed shaft is fixedly connected with the inner wall of a gear ring through a plurality of connecting rods, the gear ring is located in the shell, and a through hole is formed in the position, corresponding to the gear ring, of the upper surface of the shell.

Further, filtering mechanism includes the first bearing of fixed connection at the casing upper surface, and the first bearing endotheca is equipped with first pivot, and the surface joint of first pivot has the gear, gear and ring gear meshing, the one end fixedly connected with filter screen at the first pivot back, and the filter screen is located the retainer plate.

Further, the quantity of filter screen is two, and two filter screen longitudinal symmetry set up, are provided with the filter core between two filter screens, two stationary blades of the positive fixedly connected with of retainer plate, articulated between two stationary blades have the dead lever, through torsion spring fixed connection between two stationary blades and the dead lever, the quantity of dead lever is a plurality of, and a plurality of dead levers are annular align to grid and set up, pass through rubber pad fixed connection between per two adjacent dead levers.

Further, the one end fixedly connected with stay cord of dead lever, the other end of stay cord and solid fixed ring's positive fixed connection, gu the fixed ring endotheca is equipped with the first slide bar that two bilateral symmetry set up, first slide bar fixed connection is at the back of rear side filter screen, and the outside cover of first slide bar is equipped with first sliding sleeve, and two first sliding sleeves are fixed connection respectively at the left and right sides face of second screw cap, and second screw cap female connection has second screw thread post.

Further, the second screw thread post rotates and is connected at the back of rear side filter screen, and the one end fixedly connected with at the second screw thread post back twists the ring, the equal fixedly connected with fixed strip of upper and lower both sides face of second screw cap, fixed strip fixed connection are at solid fixed ring's back, the stay cord is located second slide bar outside fixed connection's position sleeve, a plurality of leading wheels of fixedly connected with on the inner wall of position sleeve, and the outside of leading wheel is walked around to the stay cord.

Further, clearance mechanism includes the fixed plate of fixed connection on first bearing, and the last fixed surface of fixed plate is connected with the trapezoidal piece, and the front of trapezoidal piece is seted up flutedly, and the back fixedly connected with direction pad of trapezoidal piece, the laminating of direction pad are in the front of filter screen, the position intercommunication that corresponds the recess in the front of trapezoidal piece has row material pipe, arranges the other end intercommunication of material pipe and at the surface of collecting the box, collects box fixed connection on the casing.

Further, the equal fixedly connected with second slide bar of upper and lower both sides face of recess inner wall, the other end of second slide bar and the positive fixed connection of limiting plate, a plurality of spacing holes have been seted up in the front of limiting plate, spacing downthehole brush hair that is provided with, brush hair fixed connection is at the back of push pedal, the outside cover of second slide bar is equipped with the second sliding sleeve, second sliding sleeve joint is in the front of push pedal, the front of push pedal is rotated and is connected with third screw thread post, third screw thread post threaded connection is in the third screw cap of the positive joint of trapezoidal piece, the piece is twisted to the positive one end fixedly connected with second of third screw thread post.

Further, the disassembly body includes the third sliding sleeve of joint at the left and right sides face of retainer plate, and the third sliding sleeve endotheca is equipped with the third slide bar, the end of keeping away from mutually of two third slide bars respectively with the both ends fixed connection of fixed rope, fixed rope walks around the fixed pulley of retainer plate surface fixed connection, the other end fixedly connected with fixture block of third slide bar, in the fixture block card goes into the draw-in groove of seting up to the filter screen surface, the outside cover of third slide bar is equipped with the spring, the both ends of spring respectively with the opposite face fixed connection of fixture block and third sliding sleeve.

Further, be provided with adjustment mechanism on the fixed axle, adjustment mechanism includes the first screw cap of joint at the fixed axle back, and first screw cap female connection has first screw thread post, and the one end mount at the first screw thread post back has first wrong piece.

Further, the positive one end fixedly connected with fixed block of first screw thread post, the arc wall has all been seted up to the upper and lower both sides at the fixed block back, is provided with the gag lever post in the arc wall, and the gag lever post is L shape pole, and the other end of gag lever post runs through the semi-arc groove and the fixedly connected with second flabellum that the fixed axle surface was seted up, and the laminating of second flabellum is at the back of first flabellum.

Compared with the prior art, the scheme has the beneficial effects that:

1. the scheme can filter the air discharged by the fan by arranging the filtering mechanism, wherein two filter screens and the filter element are matched to filter the air, the air is discharged after being filtered to avoid environmental pollution, the gear ring and the gear are arranged, the gear ring is driven to rotate by the connecting rod when the fixed shaft rotates, the gear ring drives the gear to rotate, the gear drives the first rotating shaft to rotate, the first rotating shaft drives the whole fixed ring to rotate, so that the positions of the filter screens and the filter element can be continuously changed, the filtering point can not be fixed, the filtering effect is effectively prevented from being influenced, the purifying effect of the discharged air is improved, the second threaded column can be controlled to rotate when the twisting ring is rotated, the second threaded cap can move back and forth through the movable fixed ring of the fixed belt, the fixed ring can pull one end of the pull rope to move, the other end of the pull rope can pull the fixed rod to move, and the fixed rods are gathered to the middle part, at the moment, the plurality of rubber pads can be gathered together to adjust the air discharge direction, and the air discharge direction is controlled by adjusting the direction, so that the adjustment is convenient according to the use environment, and the influence on the air discharge work is avoided;

2. this scheme is through setting up clearance mechanism, wherein the brush hair can be clear away the adnexed impurity of filter screen when filter screen swivelling movement with the filter screen contact, impurity drops by the guide pad interception and drops to in the recess in the trapezoidal piece, the bottom surface of recess sets up for the slope, impurity in the recess is carried to collecting the box in through arranging the material pipe, avoid impurity to pile up the influence and collect, twist the piece through setting up the second, third screw thread post and push pedal, when the brush hair appears wearing and tearing at the in-process of long-time use, it is rotatory that the piece can be controlled to rotatory second twisting the third screw thread post, third screw thread post removes and promotes the push pedal and removes, the push pedal can promote the position that the brush hair removed the regulation brush hair, control brush hair backward movement certain distance after the brush hair wearing and tearing, let the brush hair keep the clearance effect to the filter screen with the filter screen contact once more.

3. According to the scheme, the dismounting mechanism is arranged, when the middle part of the fixing rope is pulled, the two ends of the fixing rope are far away from each other, at the moment, the fixing rope pulls the third sliding rod to move to drive the clamping block to be separated from the clamping groove, so that the filter screen is not fixed any more, meanwhile, a worker can take out the filter screen from the fixing ring, and finally, the filter element can be taken out for replacement;

4. this scheme is through setting up adjustment mechanism, wherein it is rotatory first to twist can control first screw thread post rotatory when piece, first screw thread post can drive the fixed block at rotatory in-process back-and-forth movement, the cambered surface of arc wall extrudees the one end of gag lever post when the fixed block moves forward, the other end of gag lever post can drive the second flabellum rotatory, angle between second flabellum and the first flabellum can be adjusted, thereby the scope of the blast air has effectively been enlarged, can effectively control intake and volume of airing exhaust, be applicable to the environment of multiple difference.

Drawings

FIG. 1 is a schematic elevational view of a structure useful in embodying the present invention;

FIG. 2 is a schematic rear view of a filter mechanism for embodying the present invention;

FIG. 3 is a schematic side view of a cleaning mechanism embodying the present invention in cross-section;

FIG. 4 is a schematic structural view from above of a second threaded post and a first slide bar for embodying the present invention;

FIG. 5 is a top view of a position sleeve for use in the practice of the present invention;

FIG. 6 is a schematic sectional view of a portion of a retainer ring and release mechanism for embodying the present invention;

FIG. 7 is an enlarged schematic view of a structure at A for embodying the present invention;

fig. 8 is a schematic top view of an adjustment mechanism for embodying the present invention.

In the figure: 1. a fan mechanism; 101. a stator; 102. a ring gear; 103. a connecting rod; 104. a fixed shaft; 105. a first fan blade; 106. a housing; 2. an adjustment mechanism; 201. a second fan blade; 202. a fixed block; 203. a limiting rod; 204. a first threaded post; 205. a first twisting block; 3. a disassembly mechanism; 31. filtering with a screen; 32. fixing a rope; 33. a fixed pulley; 34. a filter element; 35. a third slide bar; 36. a spring; 37. a clamping block; 4. a filtering mechanism; 41. a gear; 42. a first rotating shaft; 43. a stationary ring; 44. a torsion spring; 45. fixing the rod; 46. a fixing sheet; 47. a rubber pad; 48. pulling a rope; 49. screwing a ring; 410. a second threaded cap; 411. a first sliding sleeve; 412. a fixing strip; 413. a second threaded post; 414. a fixing ring; 415. a positioning sleeve; 416. a guide wheel; 5. a cleaning mechanism; 51. a trapezoidal block; 52. a discharge pipe; 53. a guide pad; 54. a fixing plate; 55. a second twisting block; 56. a third threaded post; 57. pushing the plate; 58. a second slide bar; 59. brushing; 510. a limiting plate; 511. and (4) collecting the box.

Detailed Description

The invention will be further described by means of specific embodiments, which are given by way of illustration only and are not intended to limit the scope of the invention.

Example 1

An industrial axial flow fan comprising: the device comprises a fan mechanism 1, a dismounting mechanism 3 and a filtering mechanism 4, wherein the filtering mechanism 4 is arranged on the rear side of the fan mechanism 1;

the fan mechanism 1 comprises a shell 106, a stator 101, a first fan blade 105 and a fixed shaft 104;

a stator 101 is arranged in the casing 106, a fixed shaft 104 is fixedly connected to an output shaft of the stator 101, first fan blades 105 are clamped on the outer side of the fixed shaft 104, the outer surface of the fixed shaft 104 is fixedly connected with the inner wall of the gear ring 102 through a plurality of connecting rods 103, the gear ring 102 is located in the casing 106, and a through hole is formed in the upper surface of the casing 106 corresponding to the gear ring 102;

the filtering mechanism 4 comprises a first bearing fixedly connected to the upper surface of the casing 106, a first rotating shaft 42 is sleeved in the first bearing, a gear 41 is clamped on the outer surface of the first rotating shaft 42, the gear 41 is meshed with the gear ring 102, one end of the back of the first rotating shaft 42 is fixedly connected with a filter screen 31, the filter screens 31 are located in a fixing ring 43, the number of the filter screens 31 is two, the two filter screens 31 are symmetrically arranged in the front-back direction, a filter element 34 is arranged between the two filter screens 31, two fixing pieces 46 are fixedly connected to the front of the fixing ring 43, a fixing rod 45 is hinged between the two fixing pieces 46, the two fixing pieces 46 are fixedly connected with the fixing rod 45 through a torsion spring 44, the number of the fixing rods 45 is multiple, the fixing rods 45 are uniformly arranged in an annular shape, and every two adjacent fixing rods 45 are fixedly connected through a rubber pad 47;

one end of the fixing rod 45 is fixedly connected with a pull rope 48, the other end of the pull rope 48 is fixedly connected with the front face of a fixing ring 414, two first slide bars which are arranged in bilateral symmetry are sleeved in the fixing ring 414, the first slide bars are fixedly connected with the back face of the rear filter screen 31, a first sliding sleeve 411 is sleeved on the outer side of each first slide bar, the two first sliding sleeves 411 are respectively and fixedly connected with the left side face and the right side face of a second threaded cap 410, a second threaded column 413 is connected with the second threaded cap 410 in an internal thread manner, the second threaded column 413 is rotatably connected with the back face of the rear filter screen 31, one end of the back face of the second threaded column 413 is fixedly connected with a screwing ring 49, the upper side face and the lower side face of the second threaded cap 410 are respectively and fixedly connected with a fixing strip 412, the fixing strip 412 is fixedly connected with the back face of the fixing ring 414, the pull rope 48 is positioned in a positioning sleeve 415 fixedly connected with the outer side of the second slide bar 58, a plurality of guide wheels 416 are fixedly connected with the inner wall of the positioning sleeve 415, the pull cord 48 is routed around the outside of the guide wheel 416.

In practical application, by arranging the filtering mechanism 4, wherein the two filter screens 31 and the filter element 34 are matched to filter air exhausted by the fan, the air is filtered and then discharged to avoid environmental pollution, by arranging the gear ring 102 and the gear 41, the fixed shaft 104 drives the gear ring 102 to rotate through the connecting rod 103 when rotating, the gear ring 102 drives the gear 41 to rotate, the gear 41 drives the first rotating shaft 42 to rotate, the first rotating shaft 42 drives the whole fixed ring 43 to rotate, so that the positions of the filter screens 31 and the filter elements 34 can be continuously changed, the filtering points can not be fixed, further the filtering effect is effectively prevented from being influenced, the purifying effect on the exhausted air is improved, wherein the second threaded column 413 can be controlled to rotate when the screwing ring 49 is rotated, the second threaded cap 410 can drive the fixed ring 414 to move back and forth through the fixed strip 412, the fixed ring 414 can pull one end of the pull rope 48 to move, the other end of stay cord 48 can stimulate dead lever 45 to remove, and a plurality of dead levers 45 gather together to the middle part, and a plurality of rubber pads 47 can gather together this moment, and the exhaust position of air conditioning through adjusting the position control air discharge position, conveniently adjusts according to service environment, avoids causing the influence to exhaust work, through setting up first sliding sleeve 411 and first slide bar to make second screw cap 410 can just can not receive the influence along the stable back-and-forth movement of orbit.

Example 2

An industrial axial flow fan is different from embodiment 1 in that a cleaning mechanism 5 is arranged on the front face of a filtering mechanism 4, the cleaning mechanism 5 is fixedly connected to a fan mechanism 1, the cleaning mechanism 5 comprises a fixing plate 54 fixedly connected to a first bearing, a trapezoidal block 51 is fixedly connected to the upper surface of the fixing plate 54, a groove is formed in the front face of the trapezoidal block 51, a guide pad 53 is fixedly connected to the back face of the trapezoidal block 51, the guide pad 53 is attached to the front face of a filter screen 31, a discharge pipe 52 is communicated with the position, corresponding to the groove, of the front face of the trapezoidal block 51, the other end of the discharge pipe 52 is communicated with the outer surface of a collection box 511, the collection box 511 is fixedly connected to a casing 106, second slide bars 58 are fixedly connected to the upper and lower side faces of the inner wall of the groove, the other end of each second slide bar 58 is fixedly connected to the front face of a limiting plate 510, a plurality of limiting holes are formed in the front face of the limiting plate 510, the limiting hole is internally provided with bristles 59, the bristles 59 are fixedly connected to the back of the push plate 57, the outer side of the second sliding rod 58 is sleeved with a second sliding sleeve, the second sliding sleeve is connected to the front of the push plate 57 in a clamped mode, the front of the push plate 57 is rotatably connected with a third threaded column 56, the third threaded column 56 is connected to a third threaded cap of the trapezoidal block 51 in a threaded mode, and the third threaded column 56 is fixedly connected to the second end of the front of the third threaded column 56 in a screwed mode.

In practical application, by arranging the cleaning mechanism 5, wherein the bristles 59 are in contact with the filter screen 31 to clean impurities attached to the filter screen 31 when the filter screen 31 rotates and moves, the impurities fall into the grooves in the trapezoidal blocks 51 and are intercepted by the guide pads 53, the bottom surfaces of the grooves are arranged obliquely, the impurities in the grooves are conveyed into the collecting box 511 through the discharging pipe 52 to avoid accumulation of the impurities to influence collection, and by arranging the second screwing block 55, the third threaded column 56 and the push plate 57, when the bristles 59 are worn during long-time use, the third threaded column 56 can be controlled to rotate by rotating the second screwing block 55, the third threaded column 56 moves and pushes the push plate 57 to move, the push plate 57 can push the bristles 59 to move to adjust the positions of the bristles 59, and when the bristles 59 are worn, the bristles 59 are controlled to move backwards for a certain distance, the bristles 59 are in contact with the filter screen 31 again to maintain the cleaning effect on the filter screen 31, through setting up second slide bar 58 and second sliding sleeve, push plate 57 can stably move under its effect, through setting up limiting plate 510, limiting plate 510 can restrict brush hair 59 to make brush hair 59 fixed can not receive the influence in the clearance process.

Example 3

An industrial axial flow fan is different from the embodiment 1 in that a dismounting mechanism 3 is arranged on the outer side of a filtering mechanism 4, the dismounting mechanism 3 comprises a third sliding sleeve clamped on the left side surface and the right side surface of a fixed ring 43, a third sliding rod 35 is sleeved in the third sliding sleeve, the far ends of the two third sliding rods 35 are fixedly connected with the two ends of a fixed rope 32 respectively, the fixed rope 32 winds a fixed pulley 33 fixedly connected with the outer surface of the fixed ring 43, the other end of the third sliding rod 35 is fixedly connected with a fixture block 37, the fixture block 37 is clamped into a clamping groove formed in the outer surface of a filter screen 31, a spring 36 is sleeved on the outer side of the third sliding rod 35, and the two ends of the spring 36 are fixedly connected with the fixture block 37 and the opposite surface of the third sliding sleeve respectively;

be provided with adjustment mechanism 2 on fixed axle 104, adjustment mechanism 2 includes the first screw cap of joint at the fixed axle 104 back, and first screw cap female connection has first screw thread post 204, and the one end mount at the first screw thread post 204 back has first wrong piece 205, the positive one end fixedly connected with fixed block 202 of first screw thread post 204, the arc wall has all been seted up to the upper and lower both sides at the fixed block 202 back, is provided with gag lever post 203 in the arc wall, and gag lever post 203 is L shape pole, and the other end of gag lever post 203 runs through half arc groove and the fixedly connected with second flabellum 201 that the fixed axle 104 surface was seted up, and the laminating of second flabellum 201 is at the back of first flabellum 105.

In practical application, by arranging the detaching mechanism 3, when the middle part of the fixing rope 32 is pulled, two ends of the fixing rope 32 are far away from each other, at this time, the fixing rope 32 pulls the third slide bar 35 to move to drive the fixture block 37 to separate from the clamping groove, so that the filter screen 31 is not fixed any more, meanwhile, a worker can take out the filter screen 31 from the fixing ring 43, finally, the filter element 34 can be taken out for replacement, by arranging the fixed pulley 33, the moving track of the pull rope 48 can be changed, the pull rope 48 can normally pull the third slide bar 35 to move, by arranging the spring 36, when the fixture block 37 is not pulled any more, the spring 36 can push the fixture block 37 to move and be clamped into the clamping groove by extending the self elasticity, so as to achieve a good fixing effect on the fixing ring 43, by arranging the adjusting mechanism 2, wherein the first threaded column 204 can be controlled to rotate when the first twisting block 205 is rotated, and the first threaded column 204 can drive the fixing block 202 to move back and forth in the rotating process, when the fixed block 202 moves forward, the cambered surface of the arc-shaped groove extrudes one end of the limiting rod 203, the other end of the limiting rod 203 can drive the second fan blade 201 to rotate, and the angle between the second fan blade 201 and the first fan blade 105 can be adjusted, so that the blowing range is effectively enlarged, the air inlet amount and the air exhaust amount can be effectively controlled, and the air inlet device is suitable for various different environments.

The working principle is that the stator 101 is controlled to work to drive the first fan blade 105 and the second fan blade 201 to rotate so as to achieve the air exhaust effect, the two filter screens 31 and the filter element 34 are matched to filter air exhausted by the fan, the fixed shaft 104 drives the gear ring 102 to rotate through the fixed rod 45 when rotating, the gear ring 102 drives the gear 41 to rotate, the gear 41 drives the first rotating shaft 42 to rotate, the first rotating shaft 42 drives the whole fixed ring 43 to rotate, the positions of the filter screens 31 and the filter elements 34 can be changed continuously so that the filtering points can not be fixed, the filtering effect is effectively prevented from being influenced, the purifying effect of the exhausted air is improved, the second threaded column 413 can be controlled to rotate when the screwing ring 49 is rotated, the second threaded cap 410 can drive the fixed ring 414 to move back and forth through the fixed strip 412, the fixed ring 414 can pull one end of the pull rope 48 to move, the other end of the pull rope 48 can pull the fixed rod 45 to move, the fixed rods 45 gather together towards the middle part, at this moment, a plurality of rubber pads 47 can be gathered together, adjust the orientation of air discharge, brush 59 and filter screen 31 contact can be clear away the adnexed impurity of filter screen 31 when filter screen 31 swivelling movement, impurity drops and is intercepted by guide pad 53 and drops to in the recess of trapezoidal piece 51, the bottom surface of recess is the slope setting, impurity in the recess is carried to collecting box 511 in through arranging material pipe 52, when brush 59 wear appears in the in-process of long-time the use, rotatory second is twisted piece 55 and can be controlled the rotation of third screw thread post 56, third screw thread post 56 removes and promotes push pedal 57 and removes, push pedal 57 can promote brush 59 and remove the position of adjusting brush 59, control brush 59 rearward movement certain distance after brush 59 wear, let brush 59 contact with filter screen 31 once more keep the clearance effect to filter screen 31.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (6)

1. An industrial axial flow fan, comprising: fan mechanism (1), disassembly body (3) and filtering mechanism (4), the rear side of fan mechanism (1) is provided with filtering mechanism (4), filtering mechanism (4) include the first bearing of fixed connection at casing (106) upper surface, and first bearing endotheca is equipped with first pivot (42), and the surface joint of first pivot (42) has gear (41), gear (41) and ring gear (102) meshing, the one end fixedly connected with filter screen (31) at first pivot (42) back, and filter screen (31) are located retainer plate (43), the quantity of filter screen (31) is two, and two filter screens (31) front and back symmetry set up is provided with filter core (34) between two filter screens (31), two stationary vanes (46) of the positive fixedly connected with of retainer plate (43), articulated between two stationary vanes (46) have dead lever (45), pass through torsion spring (44) fixed connection between two stationary vanes (46) and dead lever (45), the number of the fixing rods (45) is multiple, the fixing rods (45) are arranged in an annular uniform arrangement mode, every two adjacent fixing rods (45) are fixedly connected through a rubber pad (47), one end of each fixing rod (45) is fixedly connected with a pull rope (48), the other end of each pull rope (48) is fixedly connected with the front face of a fixing ring (414), two first sliding rods which are arranged in a bilateral symmetry mode are sleeved in the fixing ring (414), the first sliding rods are fixedly connected to the back face of the rear-side filter screen (31), a first sliding sleeve (411) is sleeved on the outer side of each first sliding rod, the two first sliding sleeves (411) are respectively and fixedly connected to the left side face and the right side face of a second threaded cap (410), a second threaded column (413) is connected to the inner thread of the second threaded cap (410), the second threaded column (413) is rotatably connected to the back face of the rear-side filter screen (31), and a twisting ring (49) is fixedly connected to one end of the back face of the second threaded column (413), the upper side face and the lower side face of the second threaded cap (410) are fixedly connected with fixing strips (412), the fixing strips (412) are fixedly connected to the back face of a fixing ring (414), the pull rope (48) is located in a positioning sleeve (415) fixedly connected with the outer side of the second sliding rod (58), a plurality of guide wheels (416) are fixedly connected to the inner wall of the positioning sleeve (415), the pull rope (48) bypasses the outer sides of the guide wheels (416), the front face of the filtering mechanism (4) is provided with a cleaning mechanism (5), the cleaning mechanism (5) is fixedly connected to the fan mechanism (1), and the outer side of the filtering mechanism (4) is provided with a dismounting mechanism (3);

the fan mechanism (1) comprises a shell (106), a stator (101), a first fan blade (105) and a fixed shaft (104);

the fan comprises a shell (106), a stator (101) is arranged in the shell (106), a fixed shaft (104) is fixedly connected to an output shaft of the stator (101), first fan blades (105) are clamped to the outer side of the fixed shaft (104), the outer surface of the fixed shaft (104) is fixedly connected with the inner wall of a gear ring (102) through a plurality of connecting rods (103), the gear ring (102) is located in the shell (106), and a through hole is formed in the upper surface of the shell (106) corresponding to the gear ring (102).

2. The industrial axial flow fan as claimed in claim 1, wherein the cleaning mechanism (5) comprises a fixing plate (54) fixedly connected to the first bearing, a trapezoidal block (51) is fixedly connected to an upper surface of the fixing plate (54), a groove is formed in a front surface of the trapezoidal block (51), a guide pad (53) is fixedly connected to a back surface of the trapezoidal block (51), the guide pad (53) is attached to a front surface of the filter screen (31), a discharge pipe (52) is communicated with a position, corresponding to the groove, of the front surface of the trapezoidal block (51), the other end of the discharge pipe (52) is communicated with an outer surface of the collection box (511), and the collection box (511) is fixedly connected to the casing (106).

3. The industrial axial flow fan as claimed in claim 2, wherein the upper side surface and the lower side surface of the inner wall of the groove are fixedly connected with a second sliding rod (58), the other end of the second sliding rod (58) is fixedly connected with the front surface of the limiting plate (510), a plurality of limiting holes are formed in the front surface of the limiting plate (510), bristles (59) are arranged in the limiting holes, the bristles (59) are fixedly connected to the back surface of the pushing plate (57), a second sliding sleeve is sleeved on the outer side of the second sliding rod (58), the second sliding sleeve is clamped on the front surface of the pushing plate (57), the front surface of the pushing plate (57) is rotatably connected with a third threaded column (56), the third threaded column (56) is in a third threaded cap which is clamped on the front surface of the trapezoidal block (51) in a threaded manner, and one end of the front surface of the third threaded column (56) is fixedly connected with a second screwing block (55).

4. The industrial axial flow fan according to claim 1, wherein the dismounting mechanism (3) includes a third sliding sleeve clamped on left and right sides of the fixed ring (43), the third sliding sleeve is sleeved with a third sliding rod (35), two far ends of the third sliding rods (35) are respectively and fixedly connected with two ends of the fixed rope (32), the fixed rope (32) bypasses a fixed pulley (33) fixedly connected with the outer surface of the fixed ring (43), the other end of the third sliding rod (35) is fixedly connected with a clamping block (37), the clamping block (37) is clamped into a clamping groove formed in the outer surface of the filter screen (31), a spring (36) is sleeved on the outer side of the third sliding rod (35), and two ends of the spring (36) are respectively and fixedly connected with the clamping block (37) and the opposite surface of the third sliding sleeve.

5. The industrial axial flow fan as claimed in claim 1, wherein the fixed shaft (104) is provided with an adjusting mechanism (2), the adjusting mechanism (2) comprises a first threaded cap clamped on the back of the fixed shaft (104), a first threaded column (204) is connected to the first threaded cap in a threaded manner, and a first screwing block (205) is fixed to one end of the back of the first threaded column (204).

6. The industrial axial flow fan according to claim 5, wherein a fixing block (202) is fixedly connected to one end of the front surface of the first threaded column (204), arc-shaped grooves are formed in the upper side and the lower side of the back surface of the fixing block (202), a limiting rod (203) is arranged in each arc-shaped groove, each limiting rod (203) is an L-shaped rod, the other end of each limiting rod (203) penetrates through a semi-arc-shaped groove formed in the outer surface of the fixing shaft (104) and is fixedly connected with a second fan blade (201), and the second fan blade (201) is attached to the back surface of the first fan blade (105).

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