CN207195024U - One kind commutation electromagnetic fan clutch assembly - Google Patents
One kind commutation electromagnetic fan clutch assembly Download PDFInfo
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- CN207195024U CN207195024U CN201721093875.6U CN201721093875U CN207195024U CN 207195024 U CN207195024 U CN 207195024U CN 201721093875 U CN201721093875 U CN 201721093875U CN 207195024 U CN207195024 U CN 207195024U
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Abstract
The utility model provides a kind of commutation electromagnetic fan clutch assembly, belongs to field of mechanical technique.It solves the problems such as existing electromagnetic fan clutch assembly can not quickly clear up spreader surface.This commutation electromagnetic fan clutch assembly, including rotating shaft, disk is circumferentially fixed with rotating shaft, electromagnetic clutch mechanism is provided with disk, main terminal pad and secondary terminal pad are arranged with rotating shaft, main terminal pad and secondary terminal pad can be circumferentially fixed with disk respectively by electromagnetic clutch mechanism, and main fan is fixedly connected with main terminal pad, secondary fan is fixedly connected with secondary terminal pad, the flabellum of secondary fan and the flabellum incline direction of main fan are opposite.This commutation electromagnetic fan clutch assembly has the advantages that quick cleaning, quick heat radiating and compact-sized.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of commutation electromagnetic fan clutch assembly.
Background technology
Vehicle needs radiator of water tank to be radiated to engine when running work, and radiator of water tank is further through air-cooled
Radiated.Radiator of water tank carries out heat exchange with the air outside radiator of water tank, so as to by the heat in radiator of water tank
Amount is transferred in air, brings cold air during air flow, makes the heat in radiator of water tank always toward transmitting in air, so as to
Heat on radiator of water tank outer surface is constantly taken away, feed-tank cooling, the cold water in water tank passes through heat when passing through engine
Exchange and constantly give engine cooling again.In order to improve radiating efficiency, it is necessary to air outside radiator carries out forced convertion, typically exist
One side of radiator sets fan.
Chinese patent literature data, which discloses, proposes a kind of three-speed reversing electromagnetical fan clutch [application number：
CN200710016904.3；Publication number：101363358A], set belt pulley in driving shaft one end of base bearing block support；From
The large and small magnet coil of iron core cladding is set in drive plate cavity on moving axis, on the end face of drive plate with large and small magnet coil pair
Position is answered to set magnetic groove；Set step-like bearing holder (housing, cover) between driven shaft one end and fan hub, in bearing holder (housing, cover) side embedded bearing with from
Moving axis connects, bearing set support connection fan hub on opposite side step；Bearing holder (housing, cover) end face is made with non-magnet_conductible material casting
Heat dissipation plate is connected, and small adhesive disk is connected by spring leaf support on other end；Spring leaf support is set on fan hub end face to connect
Connect big adhesive disk, the other end is provided with non-magnet_conductible material casting and magnet fixed disc is made；It is uniformly distributed along the circumference and sets on magnet fixed disc
There is even number fixing hole to inlay permanent magnet and magnetic conduction iron pan, it is corresponding with setting annular magnetic conductive iron sheet in heat dissipation plate；In driving shaft and
The driven shaft other end sets reversing arrangement and is connected.Reversing arrangement is by the driving bevel gear on the driving shaft other end in housing
Composition is engaged with the driven bevel pinion on the driven shaft other end；Driving tooth wheel seat and driven tooth wheel seat are connected with housing, drive plate
The large and small magnet coil that iron core cladding is set in cavity is also fixed on driven tooth wheel seat.
Fan is connected on fan hub, when fan hub and circumferentially connected driven shaft, driven shaft, which rotates, drives fan to rotate, from
And make the Forced Air Convection outside radiator.Radiating can also be improved by increasing the contact area of radiator and air
The radiating efficiency of device.Fin is then set on the outer surface of radiator, and the structure of fin is corrugated arranged in parallel.For
Raising heat dispersion, the installation direction of radiator is perpendicular to the direction of air flow, but air-flow can will when passing through radiator
Debris and dust adsorption in air influence the radiating efficiency of radiator in the corrugated fin of radiator, in agricultural receipts
React the most obvious in cutting mill.So to carry out manual cleaning to the surface of radiator often, during ensureing radiator heat-dissipation
Radiating efficiency, but needs open hood progress after shutting down cooling during manual cleaning, and it is low to clear up cumbersome efficiency.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that one kind commutation electromagnetic fan from
Clutch assembly, the technical problem of solution are how the surface of radiator quickly to be cleared up.
The purpose of this utility model can be realized by following technical proposal：
One kind commutation electromagnetic fan clutch assembly, including rotating shaft, disk, the disk is circumferentially fixed with the rotating shaft
On be provided with electromagnetic clutch mechanism, be arranged with main terminal pad and secondary terminal pad in the rotating shaft, the main terminal pad and secondary connect
Disk can be circumferentially fixed with disk respectively by electromagnetic clutch mechanism, and main fan is fixedly connected with the main terminal pad, and it is special
Sign is, secondary fan, the flabellum of the secondary fan and the flabellum incline direction of main fan are fixedly connected with the secondary terminal pad
Conversely.
Rotating shaft and the output axis connection on engine, being capable of drive shaft rotation when engine is started working.Pass through electromagnetism
Clutch can make main terminal pad and secondary terminal pad circumferentially fixed with disk respectively, when main terminal pad and disk are circumferentially fixed
When, rotating shaft drives main fan to rotate, and when secondary terminal pad and disk are circumferentially fixed, rotating shaft drives secondary fan to rotate.Vehicle is in work
Main fan rotates and radiator is radiated during work, and air-flow caused by this moment main fan rotation can be by vehicle operation space-time
Debris and dust in gas bring and adhered on a heat sink, when being particularly filled with debris in agricultural machine cutting crop air.
Because main fan can only produce unidirectional wind to radiator, even if after vehicle outputs the air section of pollution, main fan production
Raw wind can not remove the debris on radiator.
Due to the flabellum of secondary fan and the flabellum incline direction of main fan on the contrary, axis of rotation direction is constant and drives respectively
When main fan and secondary fan rotate, main fan and secondary fan can produce opposite air flow direction.Therefore vehicle outputs pollution
After air section, secondary terminal pad and disk are circumferentially fixed, what wind energy in opposite direction caused by secondary fan enough brought main fan
The eliminating impurities being attached in spreader surface.Setting to shut down cooling after secondary fan and open hood again can just enter
Row cleaning, the scale removal process of spreader surface can be carried out quickly.
In above-mentioned commutation electromagnetic fan clutch assembly, supplementary bearing is arranged with the rotating shaft, outside the supplementary bearing
Adapter sleeve is arranged with, one end of the adapter sleeve can be fixed with disk, the other end of the adapter sleeve and secondary terminal pad
It is fixedly connected, auxiliary bearing is additionally provided between the secondary terminal pad and rotating shaft.
While setting supplementary bearing between adapter sleeve and rotating shaft is set, asessory shaft is set between outer connecting portion and rotating shaft
Hold, can so reduce secondary fan rotate caused by bias rock, reduce the risk that secondary fan bumps against with main fan, make secondary wind
The rotation that fan can be stablized, ensure that commutation electromagnetic fan clutch assembly can be quickly cleared up the surface of radiator.
In above-mentioned commutation electromagnetic fan clutch assembly, the main terminal pad is set in outside adapter sleeve, and the pair is even
Connecing disk includes the interior connecting portion being fixedly connected with adapter sleeve and the outer connecting portion being fixedly connected with secondary fan, the outer connecting portion
Changeover portion is provided between interior connecting portion, the inner ring of the auxiliary bearing is fixedly connected with rotating shaft, outside the auxiliary bearing
Circle is fixedly connected with the medial surface of outer connecting portion.
Main fan is connected in main terminal pad, main terminal pad is set in outside adapter sleeve, and adapter sleeve is fixed with interior connecting portion, outer company
Socket part is fixed with secondary fan, and changeover portion is set between outer connecting portion and interior connecting portion, by setting the secondary connection of changeover portion increase
It the axial length of disk, can so make have certain spacing between main fan and secondary fan, reduce secondary fan and bump against with main fan
Risk, enable secondary fan stablize rotation, ensure commutation electromagnetic fan clutch assembly the surface of radiator can be entered
The quick cleaning of row.
In above-mentioned commutation electromagnetic fan clutch assembly, shoulder block and card are provided with the medial surface of the outer connecting portion
Groove, be connected with back-up ring in the neck, the both ends of the auxiliary bearing outer ring are born against on shoulder block and back-up ring, it is described it is secondary even
Connect and positioning shaft sleeve is additionally provided between disk and rotating shaft, have between the medial surface of the lateral surface of the positioning shaft sleeve and secondary terminal pad
Free gap in a ring, one end of the positioning shaft sleeve are resisted against on the inner ring of supplementary bearing, the other end of the positioning shaft sleeve
It is resisted against on the inner of auxiliary bearing inner ring, clamp nut is also threaded with the rotating shaft, the auxiliary bearing inner ring
Outer end is resisted against on clamp nut.
The inner ring of auxiliary bearing is axially fixed in rotating shaft by positioning shaft sleeve and clamp nut, passes through shoulder block and back-up ring
The outer ring of auxiliary bearing is axially fixed in secondary terminal pad, reduces axial float when secondary fan rotates, makes secondary fan stable
Rotation, ensure that commutation electromagnetic fan clutch assembly can realize quick cleaning to radiator.The lateral surface of positioning shaft sleeve
Free gap is set between the medial surface of secondary terminal pad, it is ensured that will not be driven when main fan rotates by positioning shaft sleeve secondary
Fan rotates, and ensures that the radiating of main fan is interference-free, the setting of secondary fan is not interfered with the work of main fan.
In above-mentioned commutation electromagnetic fan clutch assembly, the electromagnetic clutch mechanism includes switch module, big coil
EMC2 and small coil EMC1, the big coil EMC2 are powered and main terminal pad is fixed with disk, and the small coil EMC1 leads to
Electricity makes secondary terminal pad be fixed with disk, and the switch module can control electric current on big coil EMC2 and small coil EMC1
Break-make, and big coil EMC2 and small coil EMC1 can be made to be powered at most only one within the same time.
Carry out air draught when the main fan is worked to radiator, radiator is blowed during secondary fan work.Need
When air draught is radiated, small coil EMC1 power-off is controlled to be powered and big coil EMC2 by switch module, it is secondary after small coil EMC1 power-off
Terminal pad and magnetic disc separation, secondary terminal pad is no longer circumferentially fixed with rotating shaft, and secondary fan stops blowing, and big coil EMC2, which is powered, makes master
Terminal pad is fixed with disk, and main terminal pad and rotating shaft are circumferentially fixed, and main fan rotates air draught radiating, realizes to radiator
Quick heat radiating.When needing blowing removal of impurities, big coil EMC2 power-off is controlled to be powered and small coil EMC1 by switch module, big coil
Main terminal pad and magnetic disc separation after EMC2 power-off, main terminal pad is no longer circumferentially fixed with rotating shaft, and main fan stops air draught, small coil
EMC1, which is powered, makes main terminal pad be fixed with disk, and secondary terminal pad and rotating shaft are circumferentially fixed, and secondary fan rotates blowing removal of impurities, real
Now to the quick cleaning of radiator.Due to switch module can make big coil EMC2 and small coil EMC1 within the same time at most
Only one can be powered, and do not interfere with each other the work of main fan and secondary fan, avoid interfering to radiating efficiency and cleaning
The influence of efficiency, it is fast to ensure that commutation electromagnetic fan clutch assembly can not only realize that quick heat radiating can also be realized to radiator
The cleaning of speed.
In above-mentioned commutation electromagnetic fan clutch assembly, the switch module includes power supply E1, relay J1, relay
Device J2, relay J3 and normal open switch Kt2, the big coil EMC2 connected with relay J1 normally opened contact J1-1 after with power supply
E1 connections, the small coil EMC1 are connected with after relay J2 normally opened contact J2-1 series connection with power supply E1, the relay J2
It is connected after being connected with normal open switch Kt2 with power supply E1, the relay J3 is connected after being connected with normal open switch Kt2 with power supply E1,
The relay J1 is connected with after relay J3 normally-closed contact J3-1 series connection with power supply E1.
When normal open switch Kt2 is in open mode, relay J2 and relay J3 power-off.Relay J2 is powered off, relay
J2 normally opened contact J2-1 is in open mode, and small coil EMC1 power-off, secondary terminal pad and magnetic disc separation, secondary fan do not rotate；
Relay J3 is powered off, and relay J3 normally-closed contact J3-1 closures, relay J1 can be powered, after relay J1 is powered, relay
Device J1 normally opened contact J1-1 closures, big coil EMC2, which is powered, makes main terminal pad be fixed with disk, and main fan rotates air draught
Radiating.After normal open switch Kt2 closures, relay J3 and relay J2 are powered.Relay J3 is powered, relay J3 normally-closed contact
J3-1 is opened, and relay J1 power-off, relay J1 normally opened contact J1-1 is opened, big coil EMC2 power-off, main terminal pad and magnetic
Disk is separated, and main fan is not rotated further by；Relay J2 is powered, and relay J2 normally opened contact J2-1 closures, small coil EMC1 is powered
Secondary terminal pad is set to be fixed with disk, secondary fan rotates blowing removal of impurities cleaning.Big coil and small coil are made by switch module
At most there was only one within the same time can be powered, and do not interfere with each other the work of main fan and secondary fan, avoid interfering
Influence to radiating efficiency and cleaning efficiency, ensure that commutation electromagnetic fan clutch assembly can not only realize that quick heat radiating can also
It is enough that quickly cleaning is realized to radiator.
In above-mentioned commutation electromagnetic fan clutch assembly, the switch module include power supply E1, relay J1 and after
It is connected after electrical equipment J2, the big coil EMC2 and relay J1 normally opened contact J1-1 series connection with power supply E1, the small coil
EMC1 is connected with after relay J2 normally opened contact J2-1 series connection with power supply E1, and the relay J1 and relay J2 are connected in parallel on electricity
On the E1 of source, ganged switch Kt3 is connected between the relay J1 and relay J2 and power supply E1, the ganged switch Kt3's
Movable contact is connected with power supply E1, and two stationary contacts of the ganged switch Kt3 are connected with relay J1 and relay J2 respectively.
During the stationary contact closure that ganged switch Kt3 movable contact is connected with relay J1, relay J2 power-off, relay J1
It can be powered.Relay J2 is powered off, and relay J2 normally opened contact J2-1 is in open mode, and small coil EMC1 power-off, pair is even
Disk and magnetic disc separation are connect, secondary fan does not rotate；After relay J1 is powered, relay J1 normally opened contact J1-1 closures, big coil
EMC2, which is powered, makes main terminal pad be fixed with disk, and main fan rotates air draught radiating.Ganged switch Kt3 movable contact and relay
During the stationary contact closure of device J2 connections, relay J1 power-off, relay J2 is powered.Relay J1 is powered off, and relay J1's is normally opened
Contact J1-1 is opened, and big coil EMC2 power-off, main terminal pad and magnetic disc separation, main fan are not rotated further by；Relay J2 is powered, after
Electrical equipment J2 normally opened contact J2-1 closures, small coil EMC1, which is powered, makes secondary terminal pad be fixed with disk, and secondary fan, which rotates, to be blown
Wind removal of impurities cleaning.Big coil and small coil at most there was only one within the same time by switch module can be powered, make master
The work of fan and secondary fan is not interfere with each other, and avoids interfering the influence to radiating efficiency and cleaning efficiency, ensures commutation electricity
Magnetic fan clutch assembly can not only realize that quick heat radiating can also realize quickly cleaning to radiator.
In above-mentioned commutation electromagnetic fan clutch assembly, the switch module also includes normally opened thermoswitch Kt1, institute
Relay J1 is stated also to connect with normally opened thermoswitch Kt1.
It is connected in relay J3 normally-closed contact J3-1 closures or ganged switch Kt3 movable contact with relay J1 quiet
During contact closure, when the temperature of engine is higher than the adhesive temperature of thermoswitch Kt1 settings, thermoswitch Kt1 closures make relay
Device J1 is powered, and relay J1 normally opened contact J1-1 closures, big coil EMC2, which is powered, makes main terminal pad be fixed with disk, main
Fan rotates air draught radiating.When the adhesive temperature of setting of the temperature of engine less than thermoswitch Kt1, thermoswitch Kt1 is beaten
Opening powers off relay J1, and relay J1 normally opened contact J1-1 is opened, and big coil EMC2 power-off makes main terminal pad and disk point
From main fan stops operating.Normally opened thermoswitch Kt1 can make main fan according to the automatic air draught of temperature of engine or stop
Only, the consumption of the energy is reduced.
In above-mentioned commutation electromagnetic fan clutch assembly, it is provided with the main terminal pad corresponding with big coil EMC2
The big coupling piece set, big flexure strip is provided with the main terminal pad between big coupling piece, the big flexure strip, which is fixed, to be connected
It is connected in main terminal pad, the big coupling piece is fixedly connected on big flexure strip, and the big flexure strip can make big coupling piece remote
From disk, the small coupling piece being correspondingly arranged with small coil EMC1, the secondary terminal pad and small coupling are provided with the secondary terminal pad
Small is provided between conjunction piece, described small is fixedly connected in secondary terminal pad, and the small coupling piece is fixedly connected
On small, described small can make small coupling piece away from disk, the big coupling piece and small coupling piece and disk
Between be provided with adhesive air gap.
Small, big flexure strip and adhesive air gap are set, it is ensured that small coil EMC1 and big coil EMC2 no powers
When small coupling piece and big coupling piece is not fixed with disk, fan, which does not work, during so as to realize engine cold-start makes hair
Motivation is rapidly achieved optimum working temperature, and ensures that the rotation of main fan and the rotation of secondary fan are not interfere with each other, and avoids mutually dry
The influence to radiating efficiency and cleaning efficiency is disturbed, ensures that commutation electromagnetic fan clutch assembly can not only realize quick heat radiating also
Quickly cleaning can be realized to radiator.
In above-mentioned commutation electromagnetic fan clutch assembly, the outside of secondary fan is protruded in the outside portion of the main fan
Portion.
General radiator is arranged on side of the commutation electromagnetic fan clutch assembly away from disk, i.e., secondary fan is located at main wind
Between fan and radiator.When main fan is to radiator air-breathing, air-flow can be stopped by secondary fan, the outside portion protrusion of main fan
Behind the outside portion of secondary fan, the obstruction efficiency of secondary fan weakens significantly, so that air flow caused by main fan rotation can
Successfully make radiator quick heat radiating, ensure that this commutation electromagnetic fan clutch assembly can realize quick heat radiating.And secondary fan
It can directly be blown to radiator, ensure that commutation electromagnetic fan clutch assembly can realize the quick cleaning to radiator.
In above-mentioned commutation electromagnetic fan clutch assembly, base bearing is set between the main terminal pad and adapter sleeve,
The inner ring of the base bearing is integrally formed with adapter sleeve, and outer ring and the adapter sleeve of the supplementary bearing are integrally formed.It can so subtract
Few alignment error between base bearing inner ring and adapter sleeve and between countershaft bearing outer-ring and adapter sleeve, make base bearing, adapter sleeve
It is stable with supplementary bearing overall operation.
Compared with prior art, the utility model has advantages below：
Main fan and secondary fan, and the flabellum of main fan and secondary wind are respectively fixedly connected with main terminal pad and secondary terminal pad
The flabellum incline direction of fan is on the contrary, when main terminal pad and circumferentially fixed rotating shaft, and main fan radiates to radiator air draught, secondary terminal pad
With rotating shaft it is circumferentially fixed when, secondary fan is blown removal of impurities cleaning to radiator, is set and is not required to after secondary fan open again after shutting down cooling
Hood is cleared up spreader surface, realizes the quick cleaning to spreader surface.Make the outside portion of main fan convex
Go out the outside portion of secondary fan；Changeover portion is set in secondary terminal pad；Auxiliary bearing is set between secondary terminal pad and rotating shaft；Pass through
Positioning shaft sleeve and clamp nut and shoulder block and back-up ring fixing bearing, and between positioning shaft sleeve and secondary terminal pad between setting activity
Gap；These blowing removal of impurities that can make the air draught of main fan radiate with secondary fan are not interfere with each other, and avoid interfering to radiating
The influence of efficiency and cleaning efficiency, ensure that commutation electromagnetic fan clutch assembly can not only realize that quick heat radiating can also be to dissipating
Hot device realizes quickly cleaning.
Brief description of the drawings
Fig. 1 is the sectional view of this commutation electromagnetic fan clutch assembly embodiment one；
Fig. 2 is the partial sectional view of this commutation electromagnetic fan clutch assembly embodiment one；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is enlarged drawing at B in Fig. 2；
Fig. 5 is the circuit diagram of switch module in this commutation electromagnetic fan clutch assembly embodiment one；
Fig. 6 is the circuit diagram of switch module in this commutation electromagnetic fan clutch assembly embodiment two.
In figure, 1, rotating shaft；2nd, disk；3rd, main terminal pad；4th, secondary terminal pad；4a, interior connecting portion；4b, changeover portion；It is 4c, outer
Connecting portion；4d, shoulder block；4e, neck；4f, back-up ring；5th, base bearing；6th, supplementary bearing；7th, adapter sleeve；8th, electromagnetic clutch mechanism；8a、
Switch module；8b, big coil；8c, small coil；8d, iron core；8e, big coupling piece；8f, big flexure strip；8g, small coupling piece；8h、
Small；8i, adhesive air gap；9th, main fan；10th, secondary fan；11st, auxiliary bearing；12nd, positioning shaft sleeve；12a, free gap；
13rd, clamp nut；14th, radiator；15th, wind shelling cover.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment one
As Figure 1-Figure 4, a kind of commutation electromagnetic fan clutch assembly, including rotating shaft 1, it is arranged with successively in rotating shaft 1
Disk 2, main terminal pad 3 and secondary terminal pad 4, disk 2 and rotating shaft 1 are circumferentially fixed, are connected between disk 2 and rotating shaft 1 by flat key.
Base bearing 5 and supplementary bearing 6 are respectively arranged between rotating shaft 1 and main terminal pad 3 and secondary terminal pad 4.Main terminal pad 3 and secondary terminal pad
Main fan 9 and secondary fan 10 it have been respectively fixedly connected with 4, the flabellum incline direction of the flabellum of main fan 9 and secondary fan 10 is opposite.
The outer circumferential side of main fan 9 and secondary fan 10 is provided with wind shelling cover 15, the both ends open of wind shelling cover 15, and main fan 9 is located at wind shelling cover
In the port of 15 one end, radiator 14 is provided with the other end port of wind shelling cover 15, secondary fan 10 is located at radiator 14 and master
Between fan 9.Main fan 9 is bolted to connection in main terminal pad 3, and secondary fan 10 is fixedly connected on pair also by bolt
In terminal pad 4, the outside portion of secondary fan 10 is protruded in the outside portion of main fan 9.
Secondary terminal pad 4 is supported in rotating shaft 1 by supplementary bearing 6, and main terminal pad 3 is supported in rotating shaft 1 by base bearing 5.
Supplementary bearing 6 is set in rotating shaft 1, is arranged with adapter sleeve 7 outside supplementary bearing 6, base bearing 5 is set in outside adapter sleeve 7, main terminal pad 3
It is set in outside base bearing 5, one end of adapter sleeve 7 can be fixed with disk 2, and the other end of adapter sleeve 7 is solid with secondary terminal pad 4
Fixed connection.The inner ring of base bearing 5 is integrally formed with adapter sleeve 7, and the outer ring of base bearing 5 is fixedly connected with main terminal pad 3, supplementary bearing
6 outer ring is integrally formed with adapter sleeve 7, and the inner ring of supplementary bearing 6 is fixedly connected with rotating shaft 1.Secondary terminal pad 4 includes and adapter sleeve 7
The interior connecting portion 4a the being fixedly connected and outer connecting portion 4c being fixedly connected with secondary fan 10, outer connecting portion 4c and interior connecting portion 4a
Between be provided with changeover portion 4b.The convex shoulder of annular is provided with interior connecting portion 4a, convex shoulder is fixed on by adapter sleeve 7 by bolt
On；The bulge loop of annular is provided with outer connecting portion 4c, fan is fixed on bulge loop by bolt.Secondary terminal pad 4 and rotating shaft 1 it
Between be additionally provided with auxiliary bearing 11, the inner ring of auxiliary bearing 11 is fixedly connected with rotating shaft 1, the outer ring of auxiliary bearing 11 and outer connection
Portion 4c medial surface is fixedly connected.Shoulder block 4d and neck 4e are provided with outer connecting portion 4c medial surface, is connected with neck 4e
Back-up ring 4f, the both ends of the outer ring of auxiliary bearing 11 are born against on shoulder block 4d and back-up ring 4f.Between secondary terminal pad 4 and rotating shaft 1 also
Positioning shaft sleeve 12 is provided with, between activity in a ring between the lateral surface of positioning shaft sleeve 12 and the medial surface of secondary terminal pad 4
Gap 12a, one end of positioning shaft sleeve 12 are resisted against on the inner ring of supplementary bearing 6, and the other end of positioning shaft sleeve 12 is resisted against auxiliary bearing
On the inner of 11 inner rings.Outside in rotating shaft 1 positioned at secondary terminal pad 4 is also threaded with clamp nut 13, in auxiliary bearing 11
The outer end of circle is resisted against on clamp nut 13.Dust cover is fixed with secondary terminal pad 4, clamp nut 13 is located in dust cover.
Electromagnetic clutch mechanism 8 is provided with disk 2, electromagnetic clutch mechanism 8 controls main terminal pad 3 and secondary terminal pad 4 same
In one time at most only have one can be circumferentially fixed with disk 2.Electromagnetic clutch mechanism 8 includes switch module 8a, big coil 8b
With small coil 8c, big coil 8b is named as big coil EMC2, small coil 8c is named as small coil EMC1.It is provided with disk 2
Two concentric mounting grooves in a ring, big coil EMC2 are mounted in the mounting groove in outside, and small coil EMC is mounted on
In the mounting groove of inner side.Cored 8d, iron core 8d, big coil EMC2 and small line are wrapped up outside big coil EMC2 and small coil EMC1
EMC1 composition iron-core coil 8d components are enclosed, spring bearing is provided between iron-core coil 8d components and rotating shaft 1.In main terminal pad 3
The big coupling piece 8e being correspondingly arranged with big coil EMC2 is provided with, big bullet is provided between big coupling piece 8e in main terminal pad 3
Property piece 8f, big flexure strip 8f are fixedly connected in main terminal pad 3, and big coupling piece 8e is fixedly connected on big flexure strip 8f, big bullet
Property piece 8f can make big coupling piece 8e be provided with adhesive air gap 8i between big coupling piece 8e and disk 2 away from disk 2.When big line
When enclosing EMC2 energizations, iron-core coil 8d components can produce magnetic force and big coupling piece 8e is fixed on disk 2, make main connection
Disk 3 and disk 2 are circumferentially fixed, i.e., main terminal pad 3 and rotating shaft 1 are circumferentially fixed；When big coil EMC2 is powered off, iron-core coil 8d groups
Big coupling piece 8e can not be fixed on disk 2 by part, big coupling piece 8e remote disks 2 in the presence of big flexure strip 8f,
Big coupling piece 8e separates with disk 2, and main terminal pad 3 and rotating shaft 1 are no longer circumferentially fixed.It is provided with secondary terminal pad 4 and small coil
The small coupling piece 8g that EMC1 is correspondingly arranged, small 8h, small 8h are provided between secondary terminal pad 4 and small coupling piece 8g
It is fixedly connected on adapter sleeve 7, small coupling piece 8g is fixedly connected on small 8h, and small 8h can make small coupling piece
8g is also equipped with adhesive air gap 8i away from disk 2 between small coupling piece 8g and disk 2.When small coil EMC1 is powered, coil iron
Core 8d components can produce magnetic force and small coupling piece 8g is fixed on disk 2, make secondary terminal pad 4 and disk 2 circumferentially fixed,
I.e. secondary terminal pad 4 and rotating shaft 1 are circumferentially fixed；When small coil EMC1 is powered off, iron-core coil 8d components can not be by small coupling piece 8g
It is fixed on disk 2, small coupling piece 8g divides in the presence of small 8h away from disk 2, small coupling piece 8g with disk 2
From secondary terminal pad 4 and rotating shaft 1 are no longer circumferentially fixed.
Switch module 8a can control the break-make of electric current on big coil EMC2 and small coil EMC1, and can make big coil
EMC2 and small coil EMC1 at most only has one within the same time to be powered.As shown in figure 5, switch module 8a includes power supply
E1, relay J1, relay J2, relay J3, normal open switch Kt2 and normally opened thermoswitch Kt1.Big coil EMC2, small coil
EMC1, relay J1, relay J2 and relay J3 are connected in parallel on power supply E1.The normally opened of big coil EMC2 and relay J1 touches
It is connected after point J1-1 series connection with power supply E1, small coil EMC1 connects after being connected with relay J2 normally opened contact J2-1 with power supply E1
Connect, relay J2 and normal open switch Kt2 are connected after connecting with power supply E1, relay J3 connected with normal open switch Kt2 after with power supply
E1 connections, relay J1 are connected with after normally opened thermoswitch Kt1 and relay J3 normally-closed contact J3-1 series connection with power supply E1.When
When the temperature of engine exceedes adhesive temperature, normally opened thermoswitch Kt1 closures；When the temperature of engine is less than adhesive temperature,
Normally opened thermoswitch Kt1 is opened.Normally opened thermoswitch Kt1 adhesive temperature is generally 88 DEG C.Big coil EMC2 and small coil EMC1
On be parallel with transition diode D1, big coil EMC2 and also connected after transition diode D1 parallel connections with fuse Fu1, it is then in parallel
On power supply E1；Small coil EMC1 then is connected in parallel on power supply E1 with also being connected after transition diode D1 parallel connections with fuse Fu2.
Transition diode D1 and fuse Fu1 is used to protect big coil EMC2, transition diode D1 and fuse Fu2 to be used to protect small line
Enclose EMC1.
Output axis connection on rotating shaft 1 and engine, when engine is started working can drive shaft 1 rotate.Need to inhale
When wind radiates, when normal open switch Kt2 is in open mode, relay J2 and relay J3 power-off.Relay J2 is powered off, relay
J2 normally opened contact J2-1 is in open mode, small coil EMC1 power-off, and secondary terminal pad 4 separates with disk 2, and secondary fan 10 does not turn
It is dynamic；Relay J3 is powered off, relay J3 normally-closed contact J3-1 closures, normally opened when the temperature of engine exceedes adhesive temperature
Thermoswitch Kt1 is closed, and relay J1 is powered, and relay J1 normally opened contact J1-1 closures, big coil EMC2, which is powered, makes main company
Connect disk 3 to be fixed with disk 2, rotating shaft 1, which rotates, drives main fan 9 to rotate, and forms air draught on the surface of radiator 14, takes away
Heat on radiator 14, make the quick heat radiating of radiator 14.When the temperature of engine is less than adhesive temperature, normally opened thermoswitch
Kt1 is opened, and relay J1 power-off, relay J1 normally opened contact J1-1 is opened, big coil EMC2 power-off, main terminal pad 3 and magnetic
Disk 2 separates, and main fan 9 is no longer with the synchronous axial system of rotating shaft 1.When the temperature of engine is again above adhesive temperature, normally opened temperature-sensitive
Switch Kt1 is closed again, and relay J1 is powered, and relay J1 normally opened contact J1-1 closures, big coil EMC2, which is powered, makes master
Terminal pad 3 is fixed with disk 2, and main fan 9, which rotates, continues air draught radiating.When main fan 9 rotates air draught radiating, secondary fan 10
Do not rotate, the setting of secondary fan 10 does not interfere with radiating efficiency of the main fan 9 to radiator 14.
When needing blowing removal of impurities cleaning, normal open switch Kt2 is closed.After normal open switch Kt2 closures, relay J3 and relay
Device J2 is powered.Relay J3 is powered, and relay J3 normally-closed contact J3-1 is opened, and relay J1 power-off, relay J1's is normally opened
Contact J1-1 is opened, and big coil EMC2 power-off, main terminal pad 3 separates with disk 2, and main fan 9 no longer triggers rotation；Relay J2
It is powered, relay J2 normally opened contact J2-1 closures, small coil EMC1, which is powered, makes secondary terminal pad 4 be fixed with disk 2, rotating shaft
1, which rotates the secondary fan 10 of drive, is rotated, and blowing is formed on the surface of radiator 14, debris on radiator 14 is taken away rapidly, right
Radiator 14 realizes quick cleaning.During the secondary blowing of fan 10 removal of impurities, main fan 9 does not rotate, and the setting of main fan 9 does not interfere with
To the airflow effects of secondary fan 10, ensure to realize quick cleaning to radiator 14.
Due to the flabellum of secondary fan 10 and the flabellum incline direction of main fan 9 on the contrary, the rotation direction of rotating shaft 1 is constant and distinguishes
When driving main fan 9 and secondary fan 10, main fan 9 and secondary fan 10 can produce opposite air flow direction, so when secondary connection
When disk 4 and circumferentially fixed disk 2, wind energy caused by secondary fan 10 is enough to be attached to what main fan 9 was brought on the surface of radiator 14
Eliminating impurities.Setting to shut down cooling after secondary fan 10 and open hood again can just be cleared up, radiator 14
The scale removal process on surface can be carried out quickly.Big coil and small coil is set at most to only have within the same time by switch module 8a
One can be powered, and not interfere with each other the work of main fan 9 and secondary fan 10, avoid interfering and radiating efficiency and cleaning are imitated
The influence of rate, ensure that commutation electromagnetic fan clutch assembly can not only realize that quick heat radiating can also be realized soon to radiator 14
The cleaning of speed.Orderly setting main fan 9 and secondary fan 10, make commutation electromagnetic fan clutch assembly in same rotating shaft 1
It is compact-sized, space-consuming of the commutation electromagnetic fan clutch assembly in engine bin is reduced, the overall weight of vehicle can be mitigated
Power, be advantageous to energy-saving and emission-reduction.
Embodiment two
Other structures are identical with realizing example one, and switch module 8a is different from embodiment one.As shown in fig. 6, switch module 8a
Including power supply E1, relay J1, relay J2 and normally opened thermoswitch Kt1, big coil EMC2, small coil EMC1, relay J1
It is connected in parallel on power supply E1 with relay J2.Big coil EMC2 connects after being connected with relay J1 normally opened contact J1-1 with power supply E1
Connect, small coil EMC1 is connected with after relay J2 normally opened contact J2-1 series connection with power supply E1.Relay J1 and relay J2 with
Ganged switch Kt3 is connected between power supply E1, ganged switch Kt3 movable contact is connected with power supply E1, two of ganged switch Kt3
Stationary contact is connected with relay J1 and relay J2 respectively.Relay J1 also connects with normally opened thermoswitch Kt1.Big coil EMC2
Be parallel with small coil EMC1 transition diode D1, big coil EMC2 it is in parallel with transition diode D1 after also and fuse
Fu1 connects, then is connected in parallel on power supply E1；Small coil EMC1 after transition diode D1 parallel connections with fuse Fu2 with also connecting, then simultaneously
It is associated on power supply E1.Transition diode D1 and fuse Fu1 is used to protect big coil EMC2, transition diode D1 and fuse
Fu2 is used to protect small coil EMC1.
When needing the air draught to radiate, during the stationary contact closure that ganged switch Kt3 movable contact is connected with relay J1, now after
Electrical equipment J2 is powered off.After relay J2 power-off, relay J2 normally opened contact J2-1 is in open mode, and small coil EMC1 is powered off,
Secondary terminal pad 4 separates with disk 2, and secondary fan 10 does not rotate；When the temperature of engine exceedes adhesive temperature, normally opened thermoswitch
Kt1 is closed, and relay J1 is powered, and relay J1 normally opened contact J1-1 closures, big coil EMC2, which is powered, makes main terminal pad 3 and magnetic
Disk 2 is fixed, and main fan 9 rotates air draught radiating.When the temperature of engine is less than adhesive temperature, normally opened thermoswitch Kt1
Open, relay J1 power-off, relay J1 normally opened contact J1-1 is opened, big coil EMC2 power-off, main terminal pad 3 and disk 2
Separation, main fan 9 is no longer with the synchronous axial system of rotating shaft 1.When the temperature of engine is again above adhesive temperature, normally opened thermoswitch
Kt1 is closed again, and relay J1 is powered, and relay J1 normally opened contact J1-1 closures, big coil EMC2, which is powered, makes main connection
Disk 3 is fixed with disk 2, and main fan 9, which rotates, continues air draught radiating.When main fan 9 rotates air draught radiating, secondary fan 10 does not turn
Dynamic, the setting of secondary fan 10 does not interfere with radiating efficiency of the main fan 9 to radiator 14.
When needing blowing removal of impurities cleaning, close the stationary contact that ganged switch Kt3 movable contact and relay J2 are connected, after
Electrical equipment J1 is powered off, and relay J2 is powered.Relay J1 is powered off, and relay J1 normally opened contact J1-1 is opened, and big coil EMC2 breaks
Electricity, main terminal pad 3 are separated with disk 2, and main fan 9 is not rotated further by；Relay J2 is powered, and relay J2 normally opened contact J2-1 is closed
Close, small coil EMC1, which is powered, makes secondary terminal pad 4 be fixed with disk 2, and secondary fan 10 rotates blowing removal of impurities cleaning.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. one kind commutation electromagnetic fan clutch assembly, including rotating shaft (1), disk (2) is circumferentially fixed with the rotating shaft (1),
Electromagnetic clutch mechanism (8) is provided with the disk (2), main terminal pad (3) and secondary terminal pad are arranged with the rotating shaft (1)
(4), the main terminal pad (3) and secondary terminal pad (4) can be circumferentially fixed with disk (2) respectively by electromagnetic clutch mechanism (8),
Main fan (9) is fixedly connected with the main terminal pad (3), it is characterised in that is fixedly connected with pair on the secondary terminal pad (4)
Fan (10), the flabellum of the secondary fan (10) and the flabellum incline direction of main fan (9) are opposite.
2. commutation electromagnetic fan clutch assembly according to claim 1, it is characterised in that be arranged on the rotating shaft (1)
There is supplementary bearing (6), be arranged with adapter sleeve (7) outside the supplementary bearing (6), one end of the adapter sleeve (7) can inhale with disk (2)
Close and fix, the other end of the adapter sleeve (7) is fixedly connected with secondary terminal pad (4), the secondary terminal pad (4) and rotating shaft (1) it
Between be provided with auxiliary bearing (11).
3. commutation electromagnetic fan clutch assembly according to claim 2, it is characterised in that main terminal pad (3) set
Be located at adapter sleeve (7) outside, the secondary terminal pad (4) include the interior connecting portion (4a) that is fixedly connected with adapter sleeve (7) and with pair
The outer connecting portion (4c) that fan (10) is fixedly connected, changeover portion is provided between the outer connecting portion (4c) and interior connecting portion (4a)
(4b), the inner ring of the auxiliary bearing (11) are fixedly connected with rotating shaft (1), outer ring and the outer connecting portion of the auxiliary bearing (11)
The medial surface of (4c) is fixedly connected.
4. commutation electromagnetic fan clutch assembly according to claim 3, it is characterised in that the outer connecting portion (4c)
Shoulder block (4d) and neck (4e) are provided with medial surface, back-up ring (4f), the auxiliary bearing (11) are connected with the neck (e)
The both ends of outer ring are born against on shoulder block (4d) and back-up ring (4f), are additionally provided between the secondary terminal pad (4) and rotating shaft (1)
Positioning shaft sleeve (12), there is work in a ring between the lateral surface of the positioning shaft sleeve (12) and the medial surface of secondary terminal pad (4)
Dynamic gap (12a), one end of the positioning shaft sleeve (12) are resisted against on the inner ring of supplementary bearing (6), the positioning shaft sleeve (12)
The other end is resisted against on the inner of auxiliary bearing (11) inner ring, and clamp nut (13), institute are also threaded with the rotating shaft (1)
The outer end for stating auxiliary bearing (11) inner ring is resisted against on clamp nut (13).
5. commutation electromagnetic fan clutch assembly according to claim 1, it is characterised in that the electromagnetic clutch mechanism
(8) include switch module (8a), big coil EMC2 and small coil EMC1, the big coil EMC2 be powered make main terminal pad (3) with
Disk (2) is fixed, and the small coil EMC1 is powered and secondary terminal pad (4) is fixed with disk (2), the switch module
(8a) can control the break-make of electric current on big coil EMC2 and small coil EMC1, and can make big coil EMC2 and small coil EMC1
At most there was only one within the same time can be powered.
6. commutation electromagnetic fan clutch assembly according to claim 5, it is characterised in that switch module (8a) bag
Power supply E1, relay J1, relay J2, relay J3 and normal open switch Kt2 are included, the big coil EMC2 and relay J1's is normal
Open contact J1-1 series connection after be connected with power supply E1, the small coil EMC1 connected with relay J2 normally opened contact J2-1 after with electricity
Source E1 connections, the relay J2 are connected after being connected with normal open switch Kt2 with power supply E1, the relay J3 and normal open switch
It is connected after Kt2 series connection with power supply E1, the relay J1 is connected with after relay J3 normally-closed contact J3-1 series connection with power supply E1.
7. commutation electromagnetic fan clutch assembly according to claim 5, it is characterised in that switch module (8a) bag
Include power supply E1, relay J1 and relay J2, the big coil EMC2 connected with relay J1 normally opened contact J1-1 after with electricity
Source E1 connections, the small coil EMC1 are connected with after relay J2 normally opened contact J2-1 series connection with power supply E1, the relay
J1 and relay J2 are connected in parallel on power supply E1, and ganged switch is connected between the relay J1 and relay J2 and power supply E1
Kt3, the movable contact of the ganged switch Kt3 are connected with power supply E1, two stationary contacts of the ganged switch Kt3 respectively with relay
Device J1 connects with relay J2.
8. the commutation electromagnetic fan clutch assembly according to claim 6 or 7, it is characterised in that the switch module
(8a) also includes normally opened thermoswitch Kt1, and the relay J1 also connects with normally opened thermoswitch Kt1.
9. commutation electromagnetic fan clutch assembly according to claim 5, it is characterised in that on the main terminal pad (3)
The big coupling piece (8e) being correspondingly arranged with big coil EMC2 is provided with, on the main terminal pad (3) between big coupling piece (8e)
Big flexure strip (8f) is provided with, the big flexure strip (8f) is fixedly connected in main terminal pad (3), and the big coupling piece (8e) is solid
Surely it is connected on big flexure strip (8f), the big flexure strip (8f) can make big coupling piece (8e), and away from disk (2), the pair is even
Connect the small coupling piece (8g) for being provided with disk (4) and being correspondingly arranged with small coil EMC1, the secondary terminal pad (4) and small coupling piece
It is provided between (8g) small (8h), small (8h) is fixedly connected in secondary terminal pad (4), the small coupling
Piece (8g) is fixedly connected on small (8h), and small (8h) can make the remote disk (2) of small coupling piece (8g),
Adhesive air gap (8i) is provided between the big coupling piece (8e) and small coupling piece (8g) and disk (2).
10. according to any described commutation electromagnetic fan clutch assemblies of claim 1-7, it is characterised in that the main fan
(9) outside portion of secondary fan (10) is protruded in outside portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721093875.6U CN207195024U (en) | 2017-08-29 | 2017-08-29 | One kind commutation electromagnetic fan clutch assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721093875.6U CN207195024U (en) | 2017-08-29 | 2017-08-29 | One kind commutation electromagnetic fan clutch assembly |
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| Publication Number | Publication Date |
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| CN207195024U true CN207195024U (en) | 2018-04-06 |
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ID=61795952
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| CN (1) | CN207195024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313849A (en) * | 2017-08-29 | 2017-11-03 | 浙江耐士伦机械有限公司 | One kind commutation electromagnetic fan clutch assembly |
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2017
- 2017-08-29 CN CN201721093875.6U patent/CN207195024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313849A (en) * | 2017-08-29 | 2017-11-03 | 浙江耐士伦机械有限公司 | One kind commutation electromagnetic fan clutch assembly |
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