CN114017368A

CN114017368A - High-stability fan

Info

Publication number: CN114017368A
Application number: CN202111139704.3A
Authority: CN
Inventors: 顾华鑫; 周杭君; 范林江; 梁建荣; 倪浩龙
Original assignee: Zhejiang Rongwen Fans Co ltd
Current assignee: Zhejiang Rongwen Fans Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-08
Anticipated expiration: 2041-09-28
Also published as: CN114017368B

Abstract

The invention discloses a high-stability fan which comprises an arc-shaped support, an anchor ear rod fixedly arranged on the arc-shaped support, a first bearing fixedly arranged on the anchor ear rod, a supporting device connected with the anchor ear rod and a main rotating shaft and used for supporting the main rotating shaft, and a cleaning assembly connected with the supporting device, wherein the anchor ear rod is fixedly arranged on the arc-shaped support; the supporting device comprises a supporting component, a supporting block, a synchronizing component, a second reduction gearbox, a first driving component, a third rotating shaft, a second driving component and a clamping component; according to the invention, the supporting component and the synchronizing component are arranged, so that the second reduction gearbox supports the main rotating shaft; the hoop rods are arranged to support two ends of the main rotating shaft; the second driving component and the clamping component are arranged, so that the supporting block changes the position of the main rotating shaft support; the first driving component is arranged, so that the stay time of the supporting block during supporting is prolonged; the stability of the equipment is further improved, and the main rotating shaft can better bear radial load and axial load.

Description

High-stability fan

Technical Field

The invention belongs to the technical field of fans, and particularly relates to a fan with high stability.

Background

The fan is a machine which depends on input mechanical energy, improves gas pressure and discharges gas, and is a driven fluid machine, the fan is a short form of the habit of China to gas compression and gas conveying machinery, generally, the fan comprises a fan, a blower and a wind driven generator, the main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a motor, a belt pulley, a coupling, a silencer, a transmission part and the like, and the fan is mainly applied to the ventilation and air exchange of various fields and various places of national economy such as metallurgy, petrifaction, electric power, urban rail transit, textile, ships and the like; the existing fan mainly supports the tail end of the fan, then the fan blades rotate, but in operation, the fan can rotate to greatly shake due to the fact that only one section of the fan supports, and therefore the fastest speed of rotation of the fan is limited, and the performance of the fan is limited.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the fan which is supported at two ends of the fan, runs more stably and has high stability.

In order to achieve the purpose, the invention adopts the following technical scheme: a fan with high stability comprises a fan shell, a dustproof shell fixedly arranged inside the fan shell, a main rotating shaft rotatably arranged inside the dustproof shell, fan blades penetrating through the main rotating shaft, a fixing frame fixedly connected to the main rotating shaft and the fan blades, a bearing seat fixedly arranged on the dustproof shell and rotatably connected to the main rotating shaft, a guide plate arranged in front of the fan blades and fixedly arranged on the fan shell, an air inlet control assembly arranged behind the guide plate and used for driving the fan blades, a plurality of arc-shaped supports rotatably arranged on the fan shell, a hoop rod fixedly arranged on the arc-shaped supports, first bearings fixedly arranged on the hoop rod, first gears arranged in the first bearings, a supporting device connected to the hoop rod and the main rotating shaft and used for supporting the main rotating shaft, a cleaning assembly connected to the supporting device and used for cleaning the guide plate, a first driving piece arranged above the fan shell, a first driving piece arranged on the fan shell, a second driving piece arranged on the rear side of the main rotating shaft, a second gear arranged on the second bearing and a second gear arranged on the second rotating shaft, a second gear arranged on the second rotating shaft, a second arc-shaped support device, a second support device, a second support, a third support, the first reduction gearbox is connected to the first driving piece, the first rotating shaft is connected to the first reduction gearbox and penetrates through the dustproof shell and the guide plate, the fourth gear is connected to the first rotating shaft, and the first transmission belt is connected to the first driving piece and the main rotating shaft and used for driving the main rotating shaft to rotate; the first gear is connected with the main rotating shaft; a first fixing piece for fixing the guide plate is arranged in front of the fan shell; the supporting device comprises two supporting components connected to the hoop rod, supporting blocks connected to the two supporting components and arranged on the main rotating shaft in a sliding mode, a synchronous component connected to the supporting components and used for controlling the two supporting components to move synchronously, a second reduction gearbox fixedly arranged on the first bearing and connected to the main rotating shaft, a first driving component connected to the second reduction gearbox, a third rotating shaft connected to the first driving component and driven by the first driving component to rotate, a second driving component connected to the third rotating shaft and used for driving the supporting components, and a clamping component connected to the third rotating shaft and used for controlling the supporting components to move; the cleaning assembly is connected to the supporting assembly; when the fan is used, the first driving part drives the main rotating shaft to rotate through the first driving belt, the main rotating shaft drives the fan blades to rotate through the fixing frame, so that the fan blades can blow air when rotating, then the main rotating shaft can input power into the second reduction gearbox when rotating, then the second reduction gearbox drives the third rotating shaft to rotate through the first driving component, then the second driving component is driven to move, the second driving component can be clamped by the clamping component when moving, so that the second driving component can drive the supporting components to move, then the supporting components can enable the two supporting components to synchronously move under the action of the synchronous component when moving, then the two supporting components synchronously move to drive the supporting block to slide on the main rotating shaft, the position of the supporting block on the main rotating shaft is changed, so that the supporting block can support the main rotating shaft at different positions, thereby it makes the rotation of main pivot more stable to support through main pivot on same straight line, thereby can better cooperate the setting up of staple bolt pole to make main pivot rotatory more stable, make main pivot can bear higher rotational speed, thereby can better improve the effect of fan, later strutting arrangement can drive the clearance subassembly when the motion and clear up the guide plate, thereby the clean degree of the wind that assurance fan that can be better blew off, it has dust and bacterium to avoid the deposition to lead to seriously having in the wind that blew off, thereby better assurance the health of using the fan, the security that improves the fan and uses the performance of fan.

Furthermore, the supporting component comprises a first sliding block arranged on the hoop rod in a sliding manner and a third connecting rod hinged to the first sliding block and the supporting block; the synchronous assembly comprises a fixed plate fixedly arranged on a first bearing, a guide sleeve fixedly arranged on the fixed plate and sleeved on the main rotating shaft without contacting with the main rotating shaft, a second gear rotatably arranged on the guide sleeve, a rack meshed with the second gear and arranged on two sides of the second gear, and a first connecting rod fixedly connected to the rack and fixedly connected to the two supporting assemblies of the supporting device; the first sliding blocks can slide on the hoop rods, the first sliding blocks can drive the first connecting rods to move when sliding, the first connecting rods drive the racks, the racks drive the second gears to rotate, then the second gears rotate to drive the other racks to move, the racks drive the other first sliding blocks to move through the first connecting rods, so that the other first sliding blocks can move in the same direction by driving only one first sliding block, the directions are opposite, the first sliding blocks can better move synchronously in opposite directions and move away from each other for the same distance, the two first sliding blocks can normally drive the supporting blocks to slide on the main rotating shaft through the two third connecting rods, then the main rotating shaft of the supporting component and the two first sliding blocks can form a triangle, the triangle is an isosceles triangle, and the positions of the supporting blocks can be better stabilized through the support of the triangle, then, because the two first sliding blocks move synchronously, the triangle is always an isosceles triangle, namely the two third connecting rods are equal, so that the supporting block is always positioned on a vertical bisector of the hypotenuse of the isosceles triangle, and then the supporting block is always positioned on the main rotating shaft, so that the supporting block can move on a straight line when moving, then the main rotating shaft is supported by the arc-shaped bracket and the fixing frame, and the supporting block is positioned on the straight line where the bearing seat and the arc-shaped bracket are positioned, so that the main rotating shaft can be better supported, the support of the main rotating shaft is three-point support, and the support of the middle point can move on the main rotating shaft, so that the support of the main rotating shaft by the supporting block is changed into a plane from a fixed point through movement, and the main rotating shaft can be more comprehensively supported, the rotation of the fan can be more stable.

Furthermore, the second driving assembly comprises a fourth connecting rod fixedly arranged on the third rotating shaft, a fifth connecting rod hinged to the fourth connecting rod, a second chute arranged in the fifth connecting rod, a transmission rod arranged in the second chute in a sliding manner, and a first spring and a second spring which are arranged on two sides of the transmission rod and abut against two ends of the first driving assembly to keep the transmission rod at the middle position; the transmission rod is fixedly connected to the first sliding block; third pivot drive fourth connecting rod, can make the transfer line move, thereby drive first sliding block through the transfer line and move, later just can make first sliding block slide on staple bolt pole, later just make the supporting shoe slide in main pivot, thereby because the transfer line can carry out reciprocating motion under the effect of fourth connecting rod, thereby also be the supporting shoe carries out reciprocating motion, reciprocating motion through the supporting shoe can make the supporting shoe better support main pivot, can also better prevent that main pivot from taking place the bending when supporting at the multiple spot, thereby better protection the fan, make the operation of fan more stable, and can be better after making the support of main pivot stabilize the highest rotational speed that improvement main pivot can bear, better improvement the performance of fan.

Furthermore, the clamping assembly comprises a first supporting plate fixedly arranged on the hoop rod, a first guide rod fixedly arranged on the first supporting plate, a second supporting plate fixedly arranged at two ends of the first guide rod and used for fixing positions, two tooth-shaped clamping plates slidably arranged on the first guide rod, a third spring arranged between the two tooth-shaped clamping plates and the second supporting plate and used for applying elasticity to the tooth-shaped clamping plates, a plurality of clamping grooves arranged on the tooth-shaped clamping plates, a clamping block fixedly connected to the transmission rod and clamped in the clamping grooves, a third driving piece fixedly connected to the third rotating shaft, and a third driving piece connected to the third driving piece and the two tooth-shaped clamping plates and used for controlling the two tooth-shaped clamping plates to move towards and away from each other at the same time; the third rotating shaft can drive the third driving part to move, the third driving part can drive the two tooth-shaped clamping plates to move through the control part, then the two tooth-shaped clamping plates move towards two sides to enable the tooth-shaped clamping plates not to clamp the clamping block, then the tooth-shaped clamping plates reset through the third spring, namely, the transmission rod is clamped when the fifth connecting rod drives the transmission rod to move, the transmission rod cannot move, so that the position of the transmission rod in the second chute changes, when the two tooth-shaped clamping plates move towards two sides, the clamping block is not clamped, namely, the transmission rod can move, so that the transmission rod can be restored to the middle position under the action of the second spring and the first spring, then the transmission rod drives the first sliding block to slide on the hoop rod, so that the first sliding block can perform intermittent movement, and the supporting block can perform intermittent movement, the supporting block can stay for a period of time in one position, so that the supporting block can stay in more positions better to support, the problem that the supporting block moves all the time to influence the rotation of the main rotating shaft is avoided, the supporting effect is better guaranteed to enable the load borne by the main rotating shaft to be smaller, the service life of the main rotating shaft is prolonged, and the performance of the fan is further improved.

Furthermore, the third driving piece comprises a plurality of electric rods fixedly arranged on the third driving piece and a third arc-shaped block fixedly arranged on the plurality of electric rods; the third arc-shaped block is matched with the control part, the third arc-shaped block is driven to move when the third driving part rotates, the third arc-shaped block enables the two tooth-shaped clamping plates to move towards two sides through the control part, then the position of the third arc-shaped block is changed under the control of the electric rod, so that the third arc-shaped block is positioned at a position which can be matched with the control part and cannot be matched with the control part, then the third arc-shaped block is positioned at a position which is connected with of the control part, the tooth-shaped clamping plates are driven to be opened when the third arc-shaped block rotates, the tooth-shaped clamping plates cannot be opened when the third arc-shaped block is not positioned at the matching position, then the third arc-shaped block and the control part are controlled by the electric rod to determine the rotating degree of the third rotating shaft, then the clamping plates are driven to be opened towards two sides, the first sliding block can move, and the frequency of intermittent movement of the first sliding block can be controlled, thereby better messenger's it drives the supporting shoe and carries out intermittent type nature's motion, later the intermittent type time of supporting shoe intermittent type nature motion can change, also be exactly the supporting shoe can stop in more positions, thereby realize that the supporting shoe can stop in each position, thereby can be better support main pivot in the position of difference, thereby better bear radial load to main pivot, later better improvement the limit speed of main pivot, also better improvement the performance of fan.

Further, the control part comprises a fourth support plate fixedly arranged on the hoop rod, a fifth support plate fixedly arranged on the side face of the tooth-shaped clamping plate, a third guide rod slidably arranged in the fourth support plate, a moving plate fixedly connected to the third guide rod, a fourth guide rod fixedly arranged above the moving plate and matched with the third arc-shaped block, and a sixth connecting rod hinged to the fifth support plate and the moving plate; striking the fourth guide bar through the third arc piece when moving, driving the fourth guide bar and moving towards the direction of second backup pad, later can drive two profile of tooth cardboards through movable plate and sixth connecting rod and move to both sides to realized that the fourth backup pad carries out the mode of moving to both sides, and through the better drive that drives of the cambered surface of third arc piece and fourth guide bar.

Furthermore, the first driving assembly comprises a fourth rotating shaft fixedly connected to the output end of the second reduction gearbox, a tooth-missing gear fixedly arranged on the fourth rotating shaft, a third gear hinged to the tooth-missing gear, a second bearing fixedly arranged in the third gear, a fifth rotating shaft fixedly connected to the second bearing and rotatably arranged on the hoop rod, a second transmission belt connected to the fifth rotating shaft and the third rotating shaft, and a slipping component connected to the fifth rotating shaft and the third gear; the outer ring of the second bearing is fixedly connected to the third gear; the inner ring of the second bearing is fixedly connected to the fifth rotating shaft; the third rotating shaft is driven by a fifth rotating shaft and a second transmission belt; the fifth rotating shaft drives the second driving belt to move through the slipping part, so that the third rotating shaft is driven to rotate, then the third rotating shaft is driven to intermittently rotate through the cooperation of the tooth-missing gear and the third gear, so that the third rotating shaft is driven to intermittently rotate, so that the movement of the first sliding block is intermittent again, namely the third rotating shaft stops rotating after rotating a little, so that the first sliding block stops moving to a position for a long time and then is changed to other positions, so that the intermittent time of the intermittent movement of the first sliding block is increased, then the supporting block stays for more time in the position, and the supporting effect on the main rotating shaft is better improved.

Furthermore, the slipping component comprises a first arc-shaped block fixedly arranged on the fifth rotating shaft, a third support plate fixedly arranged on the third gear, a second guide rod slidably arranged on the third support plate, a second arc-shaped block fixedly arranged on the second guide rod and clamped on the first arc-shaped block, a fourth spring arranged between the second arc-shaped block and the third support plate, and a positioning plate fixedly arranged on the second guide rod; the fifth rotating shaft is driven by the third gear to rotate, then the second arc-shaped block can drive the first arc-shaped block to move, and the third supporting plate can slide under the action of the second arc-shaped block and the first arc-shaped block which are disengaged when the rotating speed of the third supporting plate is too fast, so that the rotating speed is prevented from being too fast, and the stability of the movement of the equipment is better guaranteed.

Furthermore, the cleaning assembly comprises a sixth supporting plate fixedly arranged on the first bearing, a seventh connecting rod hinged to the sixth supporting plate, a third sliding groove arranged in the seventh connecting rod, a fifth guide rod slidably arranged in the third sliding groove, a sixth guide rod fixedly arranged on the fifth guide rod, a fixing strip fixedly arranged on the arc-shaped support, a guide plate fixedly arranged on the fixing strip and slidably connected to the sixth guide rod for guiding the sixth guide rod, a fixing block fixedly arranged on the supporting block, a seventh guide rod fixedly arranged on the fixing block and slidably arranged in the third sliding groove, and a cleaning piece arranged on the third connecting rod and connected to the sixth guide rod; the supporting block can drive the fixed block to move when moving, then the fixed block can drive the seventh connecting rod to rotate, then the seventh connecting rod can drive the fifth guide rod to move through the third chute, so that the sixth guide rod on the fifth guide rod can move up and down under the action of the guide plate, thereby driving the cleaning part to move, then the supporting block is far away from the hoop rod, the seventh connecting rod can rotate clockwise, then the fifth guide rod can move towards the direction of the cleaning part under the action of the seventh connecting rod, the fifth guide rod can move towards the direction far away from the cleaning part, thereby when the supporting block is far away from the hoop rod, the distance from the guide plate of the third connecting rod becomes far, then the cleaning part can move upwards under the action of the fifth guide rod, thereby the cleaning part can be better contacted with the guide plate, and the cleaning effect cannot be influenced by the position change of the third connecting rod, the supporting shoe can guarantee the effect of clearance through the same keeping away from when being close to the staple bolt pole.

Furthermore, the cleaning piece comprises a rotating piece rotatably arranged on the third connecting rod, a cleaning rod slidably arranged on the rotating piece, and a push plate fixedly arranged below the cleaning rod and fixedly connected to the sixth guide rod; two ends of the cleaning rod are flexible rods; a plurality of rotating parts are arranged on the third connecting rod in a rotating manner; a plurality of fifth guide rods, a plurality of sixth guide rods and a plurality of guide plates are matched and are respectively matched with each cleaning piece; when the supporting block is far away from the hoop rod, the third connecting rod is enabled to be close to the main rotating shaft, namely, far away from the guide plate, the cleaning rods can be kept in a vertical state all the time under the action of the sixth guide rod and the guide plate, then the third connecting rod rotates, the distance between each cleaning piece is increased, the coverage range of a plurality of cleaning pieces is also increased, and therefore the distance between a plurality of fifth guide rods is increased, specifically, when the angle between the third connecting rod and the main rotating shaft is changed, the intersection points of the two rotating pieces and the third connecting rod are connected, perpendicular lines are mutually drawn to form a right triangle, the angle change of the third connecting rod enables the vertical distance between the two intersection points to be reduced, the linear distance between the two subsequent points is not changed, so that the vertical distance between the two intersection points can be obtained through the stranding theorem of the right triangle, and the horizontal distance between the two intersection points is increased, thereby the clearance scope of clearance pole has been increased, later clearance pole and guide plate distance have grown, the clearance pole can rise, thereby can make the clearance pole be located the position of contact on the guide plate always, thereby the clearance pole can carry out the clearance that the scope is changeable to the guide plate always, thereby can increase the effect of clearance, later intermittent motion through the supporting shoe, can make the clearance pole clear up another scope of clearance again after a period of time in an within range, thereby can also increase the effect of clearance pole clearance when having increased clearance pole clearance scope.

Furthermore, the air inlet control assembly comprises a first rotary disc, a plurality of first sliding grooves, a sliding rod, a first connecting rod, a first guide piece, a second connecting rod, a second rotary shaft and a second driving piece, wherein the first rotary disc is rotatably arranged behind the fan blades, the first sliding grooves are formed in the first rotary disc, the sliding rod is slidably arranged in the first sliding grooves, the first connecting rod is hinged to the sliding rod, the first guide piece is fixedly arranged on the fan blades and guides the first connecting rod to move, the second connecting rod is hinged to the first connecting rod, the second rotary shaft is hinged to the second connecting rod and connected to the fan blades on the fan blades, and the second driving piece is arranged on the fan blades and connected to the first rotary disc and used for driving the first rotary disc to rotate; the second driving piece drives the first rotating disc to rotate, then the first rotating disc drives the sliding rod to move through the first sliding groove, the second rotating shaft is driven to rotate through the first connecting rod and the second connecting rod, then the second rotating shaft can drive the angle of the fan blades on the fan blades to change, then the air inlet volume can be changed through the mode of changing the angle of the fan blades, and therefore wind power to the fan can be better controlled, and the diversity of the fan is improved.

In conclusion, the supporting assembly and the synchronizing assembly are arranged, so that the main rotating shaft is supported by the second reduction gearbox, and the running stability is improved; the hoop rods are arranged to support two ends of the main rotating shaft, so that the stability of the main rotating shaft is further improved, the supporting effect of the main rotating shaft is improved, the main rotating shaft can better bear radial load and axial load, and the running stability is further improved; the second driving assembly and the clamping assembly are arranged, so that the supporting position of the main rotating shaft is changed by the supporting block, the supporting effect is further improved, and the main rotating shaft rotates more stably; the first driving assembly is arranged, so that the stay time of the supporting block during supporting is prolonged, and the stability of the equipment is further improved; the cleaning assembly is arranged, so that the guide plate can be better cleaned, and the blown air is healthier and safer.

Drawings

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

FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the supporting device of the present invention;

FIG. 4 is an enlarged view of B of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of C of FIG. 3 according to the present invention;

FIG. 6 is an enlarged view of F of the drawing of the present invention;

FIG. 7 is an enlarged view of D of FIG. 3 in accordance with the present invention;

FIG. 8 is an enlarged view of E of FIG. 3 in accordance with the present invention;

FIG. 9 is a schematic view of the support block of the present invention;

FIG. 10 is an enlarged view of G of FIG. 9 in accordance with the present invention;

FIG. 11 is a schematic view of a cleaning assembly according to the present invention;

FIG. 12 is a schematic structural view of a fixing block according to the present invention;

FIG. 13 is a schematic structural view of an intake air control assembly according to the present invention;

FIG. 14 is a schematic view of a fan blade according to the present invention;

FIG. 15 is a schematic cross-sectional view of the present invention;

FIG. 16 is a schematic view of the present invention with a circular housing

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in FIGS. 1-16, a fan with high stability comprises a fan housing 1, a dust-proof housing 12 fixedly disposed inside the fan housing 1, a main shaft 3 rotatably disposed inside the dust-proof housing 12, a fan blade 5 disposed on the main shaft 3, a fixing frame 32 fixedly connected to the main shaft 3 and the fan blade 5, a bearing seat 31 fixedly disposed on the dust-proof housing 12 and rotatably connected to the main shaft 3, a guide plate 51 disposed in front of the fan blade 5 and fixedly disposed on the fan housing 1, an air inlet control assembly 6 disposed behind the guide plate 51 for driving the fan blade 5, a plurality of arc-shaped brackets 41 rotatably disposed on the fan housing 1, a hoop bar 4 fixedly disposed on the arc-shaped brackets 41, first bearings 42 fixedly disposed on the hoop bar 4, first gears 43 disposed in the plurality of first bearings 42, and a supporting device 7 connected to the hoop bar 4 and the main shaft 3 for supporting the main shaft 3, The cleaning assembly 8 is connected to the supporting device 7 and used for cleaning the guide plate 51, the first driving part 2 is arranged above the fan shell 1, the first reduction gearbox 21 is connected to the first driving part 2, the first rotating shaft 23 is connected to the first reduction gearbox 21 and penetrates through the dustproof shell 12 and the guide plate 51, the fourth gear is connected to the first rotating shaft 23, and the first transmission belt 22 is connected to the first driving part 2 and the main rotating shaft 3 and used for driving the main rotating shaft 3 to rotate; the first gear 43 is connected to the main rotating shaft 3; a first fixing part 11 for fixing the guide plate 51 is arranged in front of the fan shell 1; the supporting device 7 comprises two supporting components 71 connected to the hoop pole 4, a supporting block 77 connected to the two supporting components 71 and slidably arranged on the main rotating shaft 3, a synchronizing component 72 connected to the supporting components 71 and used for controlling the two supporting components 71 to synchronously move, a second reduction gearbox 73 fixedly arranged on the first bearing 42 and connected to the main rotating shaft 3, a first driving component 74 connected to the second reduction gearbox 73, a third rotating shaft 78 connected to the first driving component 74 and driven by the first driving component 74 to rotate, a second driving component 75 connected to the third rotating shaft 78 and used for driving the supporting components 71, and a clamping component 76 connected to the third rotating shaft 78 and used for controlling the movement of the supporting components 71; the cleaning assembly 8 is connected to the supporting assembly 71; when the fan is used, the first driving part 2 drives the main rotating shaft 3 to rotate through the first transmission belt 22, the main rotating shaft 3 drives the fan blades 5 to rotate through the fixing frame 32, so that the fan blades 5 rotate to blow air, then the main rotating shaft 3 inputs power into the second reduction gearbox 73 when rotating, then the second reduction gearbox 73 drives the third rotating shaft 78 to rotate through the first driving component 74, then the second driving component 75 is driven to move, the second driving component 75 is clamped by the clamping component 76 when moving, so that the second driving component 75 drives the supporting components 71 to move, then the two supporting components 71 are driven to synchronously move under the action of the synchronizing component 72 when moving, then the two supporting components 71 synchronously move to drive the supporting block 77 to slide on the main rotating shaft 3, and the position of the supporting block 77 on the main rotating shaft 3 is changed, thereby supporting shoe 77 can support main pivot 3 in the position of difference, thereby it is more stable to make main pivot 3's rotation through 3 supports of main pivot on same straight line, thereby setting up that can better cooperate staple bolt 4 makes main pivot 3 rotatory more stable, make main pivot 3 can bear higher rotational speed, thereby can better improve the effect of fan, later strutting arrangement 7 can drive clearance subassembly 8 when the motion and clear up guide plate 51, thereby the clean degree of the wind that the assurance fan that can be better blew off, avoid the deposition to lead to seriously having dust and bacterium in the wind that blows off, thereby better assurance the health of using the fan, the security that improves the fan and the performance of fan.

Specifically, the supporting component 71 includes a first sliding block 711 slidably disposed on the hoop bar 4, and a third connecting rod 712 hinged to the first sliding block 711 and the supporting block 77; the synchronizing assembly 72 includes a fixing plate 725 fixedly disposed on the first bearing 42, a guide sleeve 724 fixedly disposed on the fixing plate 725 and sleeved on the main rotating shaft 3 without contacting the main rotating shaft 3, a second gear 723 rotatably disposed on the guide sleeve 724, a rack 722 engaged with the second gear 723 and disposed on two sides of the second gear 723, and a first connecting rod 721 fixedly connected to the rack 722 and fixedly connected to the two supporting assemblies 71 of the supporting device 7.

Specifically, the second driving assembly 75 includes a fourth link 751 fixedly disposed on the third rotating shaft 78, a fifth link 752 hinged to the fourth link 751, a second chute 754 disposed in the fifth link 752, a transmission rod 753 slidably disposed in the second chute 754, and a first spring 755 and a second spring 756 disposed on two sides of the transmission rod 753 and abutted against two ends of the first driving assembly 74 for keeping the transmission rod 753 at a middle position; the transmission rod 753 is fixedly connected to the first sliding block 711.

Specifically, the clamping assembly 76 includes a first support plate 766 fixedly disposed on the hoop rod 4, a first guide rod 767 fixedly disposed on the first support plate 766, a second support plate 769 fixedly disposed at two ends of the first guide rod 767 for fixing, two tooth-shaped clamping plates 761 slidably disposed on the first guide rod 767, a third spring 768 disposed between the two tooth-shaped clamping plates 761 and the second support plate 769 for applying an elastic force to the tooth-shaped clamping plates 761, a plurality of slots 762 disposed on the tooth-shaped clamping plates 761, a clamping block 763 fixedly connected to the transmission rod 753 and clamped in the slot 762, a third driving member 764 fixedly connected to the third rotating shaft 78, and a third driving member 764 connected to the third driving member 764 and the two tooth-shaped clamping plates 761 for controlling the two tooth-shaped clamping plates 761 to move simultaneously in the opposite direction and away from each other.

Specifically, the third driving member 764 includes a plurality of electric rods 7641 fixed on the third driving member 764, and a third arc-shaped block 7642 fixed on the plurality of electric rods 7641.

Specifically, the control member 765 includes a fourth support plate 7651 fixed on the hoop bar 4, a fifth support plate 7652 fixed on a side of the tooth-shaped clamping plate 761, a third guide bar 7655 slidably disposed in the fourth support plate 7651, a moving plate 7654 fixedly connected to the third guide bar 7655, a fourth guide bar 7656 fixedly disposed above the moving plate 7654 and engaged with the third arc-shaped block 7642, and a sixth link 7653 hinged to the fifth support plate 7652 and the moving plate 7654.

Specifically, the first driving assembly 74 includes a fourth rotating shaft 741 fixedly connected to the output end of the second reduction gearbox 73, a tooth-missing gear 742 fixedly disposed on the fourth rotating shaft 741, a third gear 743 hinged to the tooth-missing gear 742, a second bearing 744 fixedly disposed in the third gear 743, a fifth rotating shaft 745 fixedly connected to the second bearing 744 and rotatably disposed on the hoop rod 4, a second driving belt 747 connected to the fifth rotating shaft 745 and the third rotating shaft 78, and a slipping member 746 connected to the fifth rotating shaft 745 and the third gear 743; the outer ring of the second bearing 744 is fixedly connected to the third gear 743; the inner ring of the second bearing 744 is fixedly connected to the fifth rotating shaft 745; the third shaft 78 is driven by a fifth shaft 745 and a second belt 747.

Specifically, the slipping member 746 includes a first arc-shaped block 7461 fixed to the fifth rotating shaft 745, a third support plate 7463 fixed to the third gear 743, a second guide rod 7465 slidably disposed on the third support plate 7463, a second arc-shaped block 7462 fixed to the second guide rod 7465 and clamped to the first arc-shaped block 7461, a fourth spring 7466 disposed between the second arc-shaped block 7462 and the third support plate 7463, and a positioning plate 7464 fixed to the second guide rod 7465.

Specifically, the cleaning assembly 8 includes a sixth support plate 81 fixedly disposed on the first bearing 42, a seventh connecting rod 82 hinged to the sixth support plate 81, a third sliding slot 821 disposed in the seventh connecting rod 82, a fifth guide rod 83 slidably disposed in the third sliding slot 821, a sixth guide rod 84 fixedly disposed on the fifth guide rod 83, a fixing strip 861 fixedly disposed on the arc-shaped bracket 41, a guide plate 86 fixedly disposed on the fixing strip 861 and slidably connected to the sixth guide rod 84 for guiding the sixth guide rod 84, a fixing block 85 fixedly disposed on the support block 77, a seventh guide rod 851 fixedly disposed on the fixing block 85 and slidably disposed in the third sliding slot 821, and a cleaning member 87 disposed on the third connecting rod 712 and connected to the sixth guide rod 84.

Specifically, the cleaning element 87 includes a rotating element 873 rotatably disposed on the third connecting rod 712, a cleaning rod 872 slidably disposed on the rotating element 873, and a pushing plate 871 fixedly disposed below the cleaning rod 872 and fixedly connected to the sixth guiding rod 84; both ends of the cleaning rod 872 are malleable rods; a plurality of the rotating members 873 are rotatably disposed on the third connecting rod 712; the fifth guide bar 83, the sixth guide bar 84 and the guide plate 86 are also provided in plural numbers, and are respectively matched with each cleaning member 87.

Specifically, the air intake control assembly 6 includes a first rotary plate 61 rotatably disposed behind the fan blades 5, a plurality of first sliding grooves 62 disposed on the first rotary plate 61, a sliding rod 63 slidably disposed in the first sliding grooves 62, a first connecting rod 64 hinged to the sliding rod 63, a first guiding member 65 fixedly disposed on the fan blades 5 and guiding the movement of the first connecting rod 64, a second connecting rod 66 hinged to the first connecting rod 64, a second rotating shaft 67 hinged to the second connecting rod 66 and connected to the fan blades 5, and a second driving member 68 disposed on the fan blades 5 and connected to the first rotary plate 61 for driving the first rotary plate 61 to rotate.

Specifically, the shell structure in the invention is square; of course, in other embodiments, the entire housing 1 may be circular in cross section along the direction perpendicular to the axis of the main rotating shaft, which is suitable for different application environments.

The specific working process of the invention is as follows: the first driving member 2 drives the main shaft 3 to rotate through the first transmission belt 22, then the main shaft 3 drives the fan blades 5 to rotate through the fixing frame 32, the fan blades 5 blow air, then the main shaft 3 rotates in the first gear 43, the first gear 43 supports the main shaft 3, then the main shaft 3 rotates and also drives the fourth shaft 741 to rotate through the second reduction box 73, then the fourth shaft 741 drives the toothless gear 742 to rotate, the toothless gear 742 drives the third gear 743 to rotate, the third gear 743 drives the fifth shaft 745 to rotate through the slip component 746, then the fifth shaft 745 drives the third shaft 78 to rotate through the second transmission belt 747, then the third shaft 78 drives the fourth link 751 to rotate, the fourth link 751 drives the fifth link 752 to move, then the fifth link 752 drives the transmission rod 753 to move, and then the transmission rod 753 is fixed with the first sliding block 711, the first sliding block 711 slides on the hoop rod 4, so that the transmission rod 753 drives the first sliding block 711 to move, then the second driving assembly 75 drives the transmission rod 753 to move through the first spring 755 and the second spring 756, then the starting position of the tooth-shaped clamping plate 761 clamps the clamping block 763, so that the starting position of the clamping block 763 is fixed, then the transmission rod 753 is fixed, then the first spring 755 and the second spring 756 are stretched and compressed, so that the fifth link 752 continues to move, the transmission rod 753 does not move, then the third rotating shaft 78 rotates and simultaneously drives the third driving member 764 to rotate, then the clamping groove 762 on the third driving member 764 moves along with the third driving member 764, then the third arc-shaped block 7642 drives the fourth guiding rod 7656 to move, and the fourth guiding rod 7656 drives the moving plate 7657654 to move, the moving plate 7654 moves under the guiding action of the third guiding rod 7655 and the fourth supporting plate 7651, then the moving plate 7654 drives the sixth connecting rod 7653 to move, the sixth connecting rod 7653 drives the two tooth-shaped clamping plates 761 to move towards two sides under the guiding action of the first guiding rod 767, so that the tooth-shaped clamping plates 761 do not clamp the clamping block 763 any more, at this time, the transmission rod 753 moves under the action of the first spring 755 and the second spring 756, then the transmission rod 753 is located at the edge of the second sliding groove 754 from the original non-moving state, and returns to the middle position of the second sliding groove 754 after the tooth-shaped clamping plates 761 are separated, so that the cooperation of the second driving assembly 75 and the clamping assembly 76 drives the first sliding block 711 to move intermittently, then the first sliding block 711 slides on the hoop rod 7654, and then the first sliding block 711 moves to drive the third connecting rod 712, the third link 712 drives the supporting block 77 to move, then the supporting block 71 is provided with two, and there are two synchronizing assemblies 72, so that the first sliding block 711 drives the first link 721 to move when sliding, the first link 721 drives the rack 722 to move, the rack 722 drives the second gear 723 to rotate, then the rotation of the second gear 723 drives the other synchronizing assembly 72 to move similarly, so that one of the first sliding blocks 711 moves similarly when moving through the engagement of the rack 722 and the second gear 723, then the starting position of the first sliding block 711 is symmetrical about the main rotating shaft 3, then the other first sliding block 711 moves synchronously and keeps symmetrical all the time, then the supporting block 77 is slidably provided on the main rotating shaft 3, and then the two third links 712 are the same in size, the starting position of the third link 712 and the supporting block 77 form an isosceles triangle, and through the stability of the triangle, the two first sliding blocks 711 move synchronously, so that the supporting block 77 and the first sliding blocks 711 always form an isosceles triangle when the position of the supporting block 77 on the main rotating shaft 3 is adjusted, the supporting block 77 is always located between the two first sliding blocks 711, so that the supporting block 77, the first gear 43 and the bearing seat 31 are located on the same horizontal line, thereby forming better support for the main rotating shaft 3, the supporting block 77 slides on the main rotating shaft 3, so that the main rotating shaft 3 can be supported at different positions, thereby improving the protection for the main rotating shaft 3, the supporting device 7 can drive the fixed block 85 to move when moving, and then the fixed block 85 can drive the seventh link 82 to rotate around the sixth supporting plate 81 under the action of the seventh guide rod 851, then the angle of the fifth guide rod 83 changes, then the seventh link 82 drives the fifth guide rod 83 to move when the angle changes, then the fifth guide rod 83 drives the sixth guide rod 84 to move, the sixth guide rod 84 can only move vertically under the guidance of the fixing strip 861, then the fixing strip 861 drives the pushing plate 871 to move, then the pushing plate 871 drives the cleaning rod 872 to move when moving, then the rotating piece 873 is rotatably arranged in the first sliding block 711, the cleaning rod 872 and the rotating piece 873 are slidably connected, then the initial position of the cleaning rod 872 contacts the cambered surface of the guide plate 51, then the first sliding block moves together when the support block 77 moves, then the distance between the rotating pieces 873 changes, and the position of the cleaning rod 872 is adjusted under the action of the pushing plate 711 when the distance between the rotating pieces 873 changes, then the cleaning rod 872 can be always located at the position abutting against the cambered surface of the guide plate 51, the cleaning range of the cleaning rod 872 can be changed, then the first driving part 2 rotates and drives the fourth gear to rotate through the first reduction gearbox 21 and the first rotating shaft 23, then the fourth gear drives the first gear 43 to rotate, the first gear 43 rotates slowly, so that the positions of the supporting device 7 and the cleaning component 8 can be changed slowly, the cleaning rod 872 can be cleaned more comprehensively, then the first reduction gearbox 21 is provided with a braking part which can control the fourth gear to rotate and not rotate,

the first arc-shaped block 7461 is separated from the second arc-shaped block 7462, the second arc-shaped block 7462 moves towards the third supporting plate 7463, and then the fifth rotating shaft 745 is reset, so that the fifth rotating shaft 745 is prevented from rotating, the rotating speed is prevented from being too high, and the stability of the equipment is ensured;

when the position of the fan blade 5 on the fan blade 5 needs to be adjusted later, the second driving part 68 drives the first rotating disc 61 to rotate, the first rotating disc 61 drives the sliding rod 63 to move through the first sliding groove 62, the sliding rod 63 drives the first connecting rod 64, the first connecting rod 64 performs linear motion under the action of the first guiding part 65, the first guiding part 65 drives the second rotating shaft 67 to rotate through the second connecting rod 66, so that the angle of the fan blade 5 is adjusted, the air intake amount is better controlled, and the adjusting process is performed when the main rotating shaft 3 stops.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a fan that stability is high, including fan casing (1), fixed dust casing (12) of locating fan casing (1) inside, main pivot (3) of dust casing (12) inside are located in the rotation, wear to locate flabellum (5) on main pivot (3), fixed connection is in mount (32) of main pivot (3) and flabellum (5), fixed locating on dust casing (12) and rotate and connect in bearing frame (31) of main pivot (3), locate flabellum (5) the place ahead and fixed guide plate (51) of locating on fan casing (1), locate air inlet control assembly (6) that guide plate (51) rear is used for driving flabellum (5), rotate and locate a plurality of arc support (41) on fan casing (1), fix staple bolt pole (4) of locating on arc support (41), fixed first bearing (42) of locating on staple bolt (4), The device comprises first gears (43) arranged in a plurality of first bearings (42), a supporting device (7) connected with a hoop rod (4) and a main rotating shaft (3) and used for supporting the main rotating shaft (3), a cleaning assembly (8) connected with the supporting device (7) and used for cleaning a guide plate (51), a first driving piece (2) arranged above a fan shell (1), a first reduction gearbox (21) connected with the first driving piece (2), a first rotating shaft (23) connected with the first reduction gearbox (21) and penetrating through a dustproof shell (12) and the guide plate (51), a fourth gear connected with the first rotating shaft (23), and a first driving belt (22) connected with the first driving piece (2) and the main rotating shaft (3) and used for driving the main rotating shaft (3) to rotate; the first gear (43) is connected to the main rotating shaft (3); a first fixing piece (11) for fixing the guide plate (51) is arranged in front of the fan shell (1); the method is characterized in that: the supporting device (7) comprises two supporting components (71) connected to the hoop rod (4), supporting blocks (77) connected to the two supporting components (71) and arranged on the main rotating shaft (3) in a sliding mode, a synchronizing component (72) connected to the supporting components (71) and used for controlling the two supporting components (71) to move synchronously, a second reduction gearbox (73) fixedly arranged on the first bearing (42) and connected to the main rotating shaft (3), a first driving component (74) connected to the second reduction gearbox (73), a third rotating shaft (78) connected to the first driving component (74) and driven by the first driving component (74) to rotate, a second driving component (75) connected to the third rotating shaft (78) and used for driving the supporting components (71), and a clamping component (76) connected to the third rotating shaft (78) and used for controlling the supporting components (71) to move; the cleaning assembly (8) is connected to the support assembly (71); the air inlet control assembly (6) comprises a first rotating disc (61) arranged behind the fan blades (5) in a rotating mode, a plurality of first sliding grooves (62) arranged on the first rotating disc (61), a sliding rod (63) arranged in the first sliding grooves (62) in a sliding mode, a first connecting rod (64) hinged to the sliding rod (63), a first guide piece (65) fixedly arranged on the fan blades (5) and guiding the first connecting rod (64) in a moving mode, a second connecting rod (66) hinged to the first connecting rod (64), a second rotating shaft (67) hinged to the second connecting rod (66) and connected to the fan blades (5), and a second driving piece (68) arranged on the fan blades (5) and connected to the first rotating disc (61) and used for driving the first rotating disc (61) to rotate.

2. The fan that stability is high according to claim 1, characterized in that: the supporting component (71) comprises a first sliding block (711) arranged on the hoop rod (4) in a sliding mode and a third connecting rod (712) hinged to the first sliding block (711) and the supporting block (77); the synchronizing assembly (72) comprises a fixing plate (725) fixedly arranged on the first bearing (42), a guide sleeve (724) fixedly arranged on the fixing plate (725) and sleeved on the main rotating shaft (3) and not in contact with the main rotating shaft (3), a second gear (723) rotatably arranged on the guide sleeve (724), racks (722) meshed with the second gear (723) and arranged on two sides of the second gear (723), and first connecting rods (721) fixedly connected to the racks (722) and fixedly connected to the two supporting assemblies (71) of the supporting device (7).

3. The fan that stability is high according to claim 2, characterized in that: the second driving assembly (75) comprises a fourth connecting rod (751) fixedly arranged on the third rotating shaft (78), a fifth connecting rod (752) hinged to the fourth connecting rod (751), a second chute (754) arranged in the fifth connecting rod (752), a driving rod (753) arranged in the second chute (754) in a sliding manner, and a first spring (755) and a second spring (756) which are arranged on two sides of the driving rod (753) and abut against two ends of the first driving assembly (74) to keep the driving rod (753) at the middle position; the transmission rod (753) is fixedly connected to the first sliding block (711).

4. The fan that stability is high according to claim 2, characterized in that: the clamping component (76) comprises a first supporting plate (766) fixedly arranged on the hoop rod (4), a first guide rod (767) fixedly arranged on the first supporting plate (766), a second supporting plate (769) fixedly arranged at two ends of the first guide rod (767) and used for fixing positions, two tooth-shaped clamping plates (761) slidably arranged on the first guide rod (767), and a third spring (768) arranged between the two tooth-shaped clamping plates (761) and the second supporting plate (769) and used for applying elasticity to the tooth-shaped clamping plates (761), the tooth-shaped clamping plates (761) are provided with a plurality of clamping grooves (762), clamping blocks (763) which are fixedly connected with the transmission rod (753) and clamped in the clamping grooves (762), a third driving piece (764) which is fixedly connected with the third rotating shaft (78), and a third driving piece (764) which is connected with the third driving piece (764) and the two tooth-shaped clamping plates (761) and is used for controlling the two tooth-shaped clamping plates (761) to move towards each other and away from each other at the same time.

5. The fan that stability is high according to claim 4, characterized in that: the third driving piece (764) comprises a plurality of electric rods (7641) fixedly arranged on the third driving piece (764) and a third arc-shaped block (7642) fixedly arranged on the plurality of electric rods (7641).

6. The fan that stability is high according to claim 4, characterized in that: the control component (765) comprises a fourth supporting plate (7651) fixedly arranged on the hoop rod (4), a fifth supporting plate (7652) fixedly arranged on the side face of the tooth-shaped clamping plate (761), a third guide rod (7655) slidably arranged in the fourth supporting plate (7651), a moving plate (7654) fixedly connected to the third guide rod (7655), a fourth guide rod (7656) fixedly arranged above the moving plate (7654) and matched with the third arc-shaped block (7642), and a sixth connecting rod (7653) hinged to the fifth supporting plate (7652) and the moving plate (7654).

7. The fan that stability is high according to claim 2, characterized in that: the first driving assembly (74) comprises a fourth rotating shaft (741) fixedly connected to the output end of the second reduction gearbox (73), a tooth-missing gear (742) fixedly arranged on the fourth rotating shaft (741), a third gear (743) hinged to the tooth-missing gear (742), a second bearing (744) fixedly arranged in the third gear (743), a fifth rotating shaft (745) fixedly connected to the second bearing (744) and rotatably arranged on the hoop rod (4), a second transmission belt (747) connected to the fifth rotating shaft (745) and the third rotating shaft (78), and a slipping component (746) connected to the fifth rotating shaft (745) and the third gear (743); the outer ring of the second bearing (744) is fixedly connected with a third gear (743); the inner ring of the second bearing (744) is fixedly connected to a fifth rotating shaft (745); the third shaft (78) is driven by a fifth shaft (745) and a second belt (747).

8. The fan that stability is high according to claim 7, characterized in that: the slipping component (746) comprises a first arc-shaped block (7461) fixedly arranged on the fifth rotating shaft (745), a third supporting plate (7463) fixedly arranged on the third gear (743), a second guide rod (7465) slidably arranged on the third supporting plate (7463), a second arc-shaped block (7462) fixedly arranged on the second guide rod (7465) and clamped on the first arc-shaped block (7461), a fourth spring (7466) arranged between the second arc-shaped block (7462) and the third supporting plate (7463), and a positioning plate (7464) fixedly arranged on the second guide rod (7465).

9. The fan that stability is high according to claim 1, characterized in that: the cleaning component (8) comprises a sixth supporting plate (81) fixedly arranged on the first bearing (42), a seventh connecting rod (82) hinged to the sixth supporting plate (81), a third sliding chute (821) arranged in the seventh connecting rod (82), a fifth guide rod (83) slidably arranged in the third sliding chute (821), and a sixth guide rod (84) fixedly arranged on the fifth guide rod (83), the guide device comprises a fixing strip (861) fixedly arranged on the arc-shaped support (41), a guide plate (86) fixedly arranged on the fixing strip (861) and connected to the sixth guide rod (84) in a sliding manner and used for guiding the sixth guide rod (84), a fixing block (85) fixedly arranged on the supporting block (77), a seventh guide rod (851) fixedly arranged on the fixing block (85) and arranged in the third sliding groove (821) in a sliding manner, and a cleaning piece (87) arranged on the third connecting rod (712) and connected to the sixth guide rod (84).

10. The fan that stability is high according to claim 9, characterized in that: the cleaning piece (87) comprises a rotating piece (873) rotatably arranged on the third connecting rod (712), a cleaning rod (872) slidably arranged on the rotating piece (873), and a push plate (871) fixedly arranged below the cleaning rod (872) and fixedly connected to the sixth guide rod (84); both ends of the cleaning rod (872) are flexible rods; a plurality of rotating pieces (873) are arranged on the third connecting rod (712) in a rotating way; the fifth guide rod (83), the sixth guide rod (84) and the guide plate (86) are matched in a plurality of ways and are respectively matched with each cleaning piece (87).