CN102758903B - Stepless speed-regulating device and controlling method and fan clutch, water pump with this device - Google Patents
Stepless speed-regulating device and controlling method and fan clutch, water pump with this device Download PDFInfo
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Abstract
The present invention relates to a kind of stepless time adjustment device.Its objective is stepless speed-regulating device and the controlling method thereof in order to provide a kind of Grazing condition, and use fan clutch, the water pump of these arrangements for speed regulation.Stepless time adjustment device of the present invention comprises main shaft, be positioned at the driving disc on main shaft, driven disc and drive unit, described driven disc can be followed driving disc and be rotated, the rotating speed maximum value that described driven disc reaches is Nmax, and described drive unit adjustment driving disc and driven disc make the rotating speed of driven disc between 0-Nmax, arbitrfary point change in the relative distance in main-shaft axis direction.
Description
Technical field
The present invention relates to a kind of arrangements for speed regulation, particularly machinery transmission gear shift controlling device.
Background technique
In modern industry, sphere of life, the transmission of a lot of machinery all needs speed regulating control, as automobile fan clutch, water pump etc., existing arrangements for speed regulation are all that point gear regulates, the speed difference of different gear is comparatively large, and the Chinese patent application being 101672210 as the publication number before claimant is recorded.These modes of speed regulation, equipment only can operate in limited gear speed, and can not realize arbitrary speed running on an interval range, and can form certain impact to machinery equipment in different gear switch process, long term accumulation easily makes device damage.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of stepless speed-regulating device and controlling method thereof of Grazing condition, and uses fan clutch, the water pump of these arrangements for speed regulation.
Stepless speed-regulating device of the present invention, comprise main shaft, be positioned at the driving disc on main shaft, driven disc and drive unit, described driven disc can be followed driving disc and be rotated, the rotating speed maximum value that described driven disc reaches is Nmax, and described drive unit adjustment driving disc and driven disc make the rotating speed of driven disc between 0-Nmax, arbitrfary point change in the relative distance in main-shaft axis direction.
Stepless speed-regulating device of the present invention, wherein said driving disc to be connected on main shaft and can to move axially along main shaft under the driving of drive unit, and described driven disc rotates around the spindle and relative to main shaft axial restraint.
Stepless speed-regulating device of the present invention, wherein said described driving disc rotates around the spindle and relative to main shaft axial restraint, described driven disc is connected on main shaft and also can moves axially along main shaft under the driving of drive unit.
Stepless speed-regulating device of the present invention, linkage is provided with between wherein said driving disc and driven disc, described linkage comprises and is arranged on permanent magnet on driving disc and is embedded the magnetic conduction conductive member in driven disc, permanent magnet is corresponding at least partly with magnetic conduction conductive member, and the corresponding part of described permanent magnet and magnetic conduction conductive member changes in the change of main-shaft axis direction relative distance with driving disc and driven disc.
Stepless speed-regulating device of the present invention, wherein said permanent magnet arranges and is positioned on the excircle of driving disc, described driven disc is provided with the first extension part to driving disc direction vertically, described first extension part radial direction is positioned at the outside of driving disc excircle, and described magnetic conduction conductive member is embedded in the first extension part.
Stepless speed-regulating device of the present invention, wherein said magnetic conduction conductive member is embedded in the excircle of driving disc, described driven disc is provided with the first extension part to driving disc direction vertically, described permanent magnet arranges the inner side being positioned at the first extension part, and described first extension part radial direction is positioned at the outside of driving disc excircle.
Stepless speed-regulating device of the present invention, linkage is provided with between wherein said driving disc and driven disc, described transmission device comprises and is arranged on permanent magnet on driven disc and is embedded the magnetic conduction conductive member in driving disc, permanent magnet is corresponding at least partly with magnetic conduction conductive member, and the corresponding part of described permanent magnet and magnetic conduction conductive member changes in the change of main-shaft axis direction relative distance with driving disc and driven disc.
Stepless speed-regulating device of the present invention, wherein said permanent magnet arranges and is positioned on the excircle of driven disc, described driving disc is provided with the first extension part to driven disc direction vertically, described first extension part radial direction is positioned at the outside of driven disc excircle, and described magnetic conduction conductive member is embedded in the first extension part.
Stepless speed-regulating device of the present invention, wherein said driven disc is provided with the second extension part to driving disc direction vertically, described permanent magnet arranges the inner side being positioned at the second extension part, described magnetic conduction conductive member is embedded in the excircle of driving disc, and described second extension part radial direction is positioned at the outside of driving disc excircle.
Stepless speed-regulating device of the present invention, the opposing end surface of wherein said driving disc and driven disc is respectively equipped with the first friction part and the second friction part, when described permanent magnet and magnetic conduction conductive member engage the first friction part, the second friction part described in time corresponding completely.
Stepless speed-regulating device of the present invention, in the driving of wherein said drive unit employing motor, hydraulic driving, air pressure driving, Electromagnetic Drive, manual drives, any one carries out action drives.
Stepless speed-regulating device of the present invention, wherein adopt motor-driven drive unit to comprise motor, the worm screw be connected with motor, to coordinate with worm screw and the worm gear that overlaps with main-shaft axis of axis and sleeve, described worm gear axial restraint and the 3rd extension part be provided with vertically to driving disc or driven disc direction, described 3rd extension part is provided with outside thread, one end of described sleeve is provided with the internal thread matched with the 3rd extension part outside thread, and the other end of sleeve is connected on driving disc or driven disc.
Stepless speed-regulating device of the present invention, wherein adopts motor-driven drive unit to comprise motor and screw rod, and described motor rotates and axial restraint with main shaft, and described motor connecting screw rod, described driving disc is provided with the tapped hole coordinated with screw rod.
Stepless speed-regulating device of the present invention, the drive unit wherein adopting air pressure to drive comprises cylinder and piston rod, and described cylinder supports is on main shaft and axial restraint, and described piston rod end is connected on driving disc or driven disc.
A controlling method for stepless speed-regulating device, comprises the following steps,
When a, driven disc need to rotate, drive unit promotes driving disc or/and driven disc moves axially the distance reduced between driving disc and driven disc along main shaft, makes driven disc follow driving disc and rotates;
When b, driven disc reach demand rotating speed, drive unit stops promoting driving disc or/and driven disc moves axially along main shaft;
When c, driven disc need reduction of speed, drive unit pulls driving disc or/and driven disc moves axially the distance increased between driving disc and driven disc along main shaft;
When d, driven disc reach demand rotating speed, drive unit stops drag driving disc or/and driven disc moves axially along main shaft;
E, drive unit drive driving disc or/and driven disc moves on main-shaft axis according to abovementioned steps according to demand, and the rotating speed of driven disc between 0-Nmax, arbitrfary point is changed.
A kind of fan clutch, is equipped with above-mentioned stepless speed-regulating device.
Be equipped with the fan clutch of this stepless speed-regulating device, wherein also comprise measurement module and control module, described measurement module link control module, control module connecting drive device, described measurement module comprises temperature transducer, tachometric survey device.
A kind of water pump, is equipped with above-mentioned stepless speed-regulating device.
Stepless speed-regulating device difference from prior art of the present invention is that stepless speed-regulating device of the present invention makes the rotating speed of driven disc between 0-Nmax, arbitrfary point can change by drive unit adjustment driving disc and driven disc in the relative distance in main-shaft axis direction, overcome and originally only can operate in limited gear speed, and the defect impacted to equipment between different gear, is switched without transition, make the increase of transferring power or minimizing have a flexible transient process.
Accompanying drawing explanation
Fig. 1 is the sectional view of the first mode of execution of stepless speed-regulating device of the present invention;
Fig. 2 is permanent magnet along the schematic diagram that is alternately arranged of driving disc or driven disc circumference;
Fig. 3 is the three-dimensional exploded view of the first mode of execution of stepless speed-regulating device of the present invention;
Fig. 4 is the sectional view of stepless speed-regulating device the second mode of execution of the present invention;
Fig. 5 is the sectional view of the third mode of execution of stepless speed-regulating device of the present invention;
Fig. 6 is the sectional view of stepless speed-regulating device of the present invention 4th kind of mode of execution.
Below in conjunction with accompanying drawing, the fan clutch of this stepless speed-regulating device is used to stepless speed-regulating device agent of the present invention, water pump is described further.
Embodiment
The first mode of execution of stepless speed-regulating device of the present invention, as shown in Figure 1, comprise main shaft 101, main shaft 101 rotates under the drive of prime mover, driving disc 102 to be connected with main shaft 101 together to rotate with main shaft 101 by key and to move axially along main shaft 101 under the driving of drive unit simultaneously, driven disc 103 by bearings on main shaft 101 and axial restraint.
The excircle of driving disc 102 is provided with permanent magnet 104, as Fig. 2, shown in 3, permanent magnet 104 is along the excircle circumference N pole of driving disc 102, S pole is alternately arranged, driven disc 103 arranges the first extension part 106 to driving disc 102 direction vertically and the first extension part 106 is positioned at the outside of driving disc 102 excircle diametrically, magnetic conduction conductive member 105 is embedded in first extension part 106, magnetic conduction conductive member 105 circumference in the first extension part 106 forms annulus, in the present embodiment, magnetic conduction conductive member adopts ironware, when permanent magnet 104 and magnetic conduction conductive member 105 are without corresponding part, the power of driving disc 102 can not be delivered on driven disc 103, the rotating speed of driven disc 103 is zero, when permanent magnet 104 and magnetic conduction conductive member 105 just form the linkage between driving disc 102 and driven disc 103 to electromagnetic force during correspondence at least partly, by the transmission of power of driving disc 102 to driven disc 103.Permanent magnet 104 is with magnetic conduction conductive member 105 along with drive unit drives driving disc 102 to move vertically, and the corresponding part of the two increases gradually, and electromagnetic force also increases gradually, and the power of transmission also just and then increases.The material that driven disc 103 adopts conductive and heat-conductive good is made, and as aluminium etc., driving disc 102 adopts permeability magnetic material to make, as iron and steel etc.
Stepless speed-regulating device of the present invention is also respectively equipped with the first friction part 108 and the second friction part 109 on driving disc 102 and driven disc 103 opposing end surface, when driving disc 102 moves to the position making permanent magnet 104 completely corresponding with magnetic conduction conductive member 105, first friction part 108 is just engaged in the mode of stiction or mechanical male-female engagement by opposite with the second friction part 109, make driven disc 103 and the synchronized running of driving disc 102, driven disc 103 reaches maximum speed Nmax.
In present embodiment, the drive unit of driving disc 102 movement is vertically driven to adopt motor to drive, composition graphs 1, Fig. 3 can find out, drive unit comprise be connected with motor worm screw 10, coordinate and the worm gear 11 of axis and main shaft 101 dead in line and sleeve 12 with worm screw 10.Worm gear 11 can rotate around main shaft 101 but axially cannot move, be provided with the 3rd extension part 7 to driving disc 102 direction vertically, 3rd extension part 7 is provided with outside thread, one end of sleeve 12 is provided with internal thread and matches with the outside thread of the 3rd extension part 7, the other end of sleeve 12 on driving disc 102, axially keeps fixing by bearings with driving disc 102.
The working procedure of stepless speed-regulating device of the present invention is such:
Main shaft 101 rotates together with driving disc 102 under the drive of prime mover, driven disc 103 is around main shaft 101 free rotary, when driven disc 103 needs to rotate, the motor starting drive unit rotates forward and drives worm screw 10 to rotate, worm screw 10 drives the turbine 11 be mated to rotate around main shaft 101, the 3rd extension part 7 on turbine 11 also rotates thereupon, due to turbine 11 axial restraint, just rotate while axially move near driven disc 103 direction with the sleeve 12 of the 3rd extension part 7 screw-thread fit, the driving disc 102 promoting to link together with it moves to driven disc 103, the magnetic conduction conductive member 105 on driven disc 103 is made to grow out of nothing with permanent magnet 104 corresponding part on driving disc 102 and increase gradually, the electromagnetic force produced increases, the transmission of power of driving disc 102 is to also just increasing gradually on driven disc 103, until magnetic conduction conductive member 105 is completely corresponding with permanent magnet 104, first friction part 108 engages with the second friction part 109, driven disc 103 and the synchronized running of driving disc 10, driven disc reaches maximum (top) speed, whole process progressively continuous print promotes the power transmitted, the rotating speed of flexible lifting driven disc 103, and can stop mobile at an arbitrary position, driven disc 103 can be rotated by any rotating speed between 0-Nmax.
When driven disc 103 needs to reduce rotating speed, starting electrical machinery reverses, worm screw 10 is driven to rotate round about, worm screw 10 drives the turbine 11 be mated to rotate round about around main shaft 101, make to rotate with the sleeve 12 of the 3rd extension part 7 screw-thread fit while axially move to away from driven disc 103 direction, drive the driving disc 102 linked together with it away from driven disc 103, magnetic conduction conductive member 105 and permanent magnet 104 corresponding part reduce gradually, the electromagnetic force produced reduces, the transmission of power of driving disc 102 is to also just reducing gradually on driven disc 103, thus the rotating speed of the reduction driven disc 103 of flexibility.
Use the fan clutch of this stepless speed-regulating device, the flabellum of fan is fixed on driven disc 103.
Using the fan clutch of this stepless speed-regulating device, is energy saving, and only the action when needs start or change rotation speed of the fan, in order to accurately grasp the fan for cooling that equipment needs much rotating speeds, also can increase measurement module and control module.Measurement module comprises temperature transducer, tachometric survey device, the device temperature data of this fan of use recorded are passed to control module such as ECU electronic control unit by temperature transducer, being made by control module analyzes the need of startup fan, and need great running speed, instruction is passed to drive unit, control motor rotating forward promotion driving disc 102 to move to driven disc 103, permanent magnet 104 is made to grow out of nothing with the corresponding part of magnetic conduction conductive member 105 and increase gradually, make to produce electromagnetic force between the two and form interlock, thus increase the rotating speed of driven disc 103, and then also just increase the rotation speed of the fan be connected on driven disc 103.The fan speed data recorded is passed to control module by tachometric survey device, and when reaching rotating speed needed for relevant temperature, control module sends instruction to drive unit, and stop promoting driving disc 102 and move, fan just rotates with this speed.When using the device temperature environment of this fan to change as reduced, control module is made corresponding instruction and is passed to drive unit, control motor reversal pulls back driving disc 102 makes it away from driven disc 103, reduce the corresponding part area of permanent magnet 104 and magnetic conduction conductive member 105, electromagnetic force reduces, the rotating speed of driven disc 103 just declines, and the rotating speed of fan also lessens.
In actual applications, as some simple variant of present embodiment, also can arrange driving disc axial restraint, driven disc axially moves under the driving of drive unit, driving disc and driven disc can also do move toward one another under the driving of drive unit.
Can also change the position of permanent magnet and magnetic conduction conductive member, permanent magnet is installed to the inner side of the first extension part, magnetic conduction conductive member is embedded in the excircle of driving disc.
Driving disc and driven disc internal and external relation diametrically can also be changed, driving disc is arranged vertically towards second extension part in driven disc direction, permanent magnet is arranged on the inner side of the second extension part, magnetic conduction conductive member is embedded in the excircle of driven disc, the second extension part is made to be positioned at the outside of driven disc excircle diametrically, along with drive unit drives driving disc to move vertically, the corresponding part of the two also increases gradually, produces electromagnetic force.
Worm screw in drive unit also makes it rotate by handwheel manual drive, is not limited to motor.
The second mode of execution of stepless speed-regulating device of the present invention, as shown in Figure 4, the place different from the first mode of execution is, driving disc 202 by bearings on main shaft 201, to rotate and relative to main shaft 201 axial restraint around main shaft 201 under the drive of prime mover, driven disc 203 to be connected on main shaft 201 by key and can to move axially along main shaft 201 under the driving of drive unit.
The working procedure of stepless speed-regulating device the second mode of execution of the present invention is such:
Driving disc 202 rotates around main shaft 201 under the drive of prime mover, driven disc 203 and main shaft 201 keep static, when driven disc 203 needs to rotate, starting electrical machinery rotates forward and drives worm screw 10 to rotate, worm screw 10, turbine 11 and sleeve 12 coordinate promotion driven disc 203 to move to driving disc 202, make magnetic conduction conductive member 205 corresponding with permanent magnet 204, produce electromagnetic force, driving disc 202 drives driven disc 203 to rotate, and driven disc 203 drives main shaft 201 jointly to rotate external outputting power.Along with driven disc 203 constantly moves to driving disc 202 direction, permanent magnet 204 increases gradually with the corresponding part of magnetic conduction conductive member 205, the electromagnetic force produced increases, the power that driving disc 202 is delivered on driven disc 203 also just increases gradually, the progressively rotating speed of lifting spindle 201, until permanent magnet 204 is completely corresponding with magnetic conduction conductive member 205, first, second friction part 208,209 combines, driven disc 203 just realizes synchronized with driving disc 202, reaches maximum speed Nmax.
Equally when driven disc 203 needs to reduce rotating speed, starting electrical machinery reverses, and makes driven disc 203 away from driving disc 202, reduces magnetic conduction conductive member 205 and permanent magnet 204 corresponding part.
Use the water pump of this stepless speed-regulating device, water pump 13 is connected on main shaft 201.
Same, this water pump also can increase measurement module and control module, accurately to regulate the output speed of main shaft 1, avoids causing unnecessary energy waste.
The third mode of execution of stepless speed-regulating device of the present invention, as shown in Figure 5, the place different from the second mode of execution is, drive unit air pressure drives, comprise cylinder 15 and piston rod 16, cylinder 15 is by bearings on main shaft 301 and axial restraint, and piston rod 16 end, axially keeps with driven disc 303 fixing by bearings on driven disc 303.
The working procedure of stepless speed-regulating device of the present invention is such:
Driving disc 302 rotates around main shaft 301 under the drive of prime mover, driven disc 303 and main shaft 301 keep static, when needs driven disc 303 rotates, open compressed air-driven piston rod 16 to move to driving disc 302 direction, piston rod 16 promotes the driven disc 303 connected on its end and moves to driving disc 202, make magnetic conduction conductive member 305 corresponding with permanent magnet 304, produce electromagnetic force, driven disc 303 is driven to rotate, driven disc 303 drives main shaft 301 to rotate external outputting power again, along with the corresponding part of permanent magnet 304 with magnetic conduction conductive member 305 increases gradually, the rotating speed of driven disc 303 promotes gradually, until the first friction part 308 is combined with the second friction part 309, it is also namely synchronized with driving disc 302 that driven disc 303 reaches maximum (top) speed Nmax, and then main shaft 301 also just reaches maximum (top) speed.
When driven disc 303 needs to reduce rotating speed, get rid of pressurized air, and by resetting means, piston rod 16 is back moved, drive driven disc 303 away from driving disc 302, reduce magnetic conduction conductive member 305 and permanent magnet 304 corresponding part.
4th kind of mode of execution of stepless speed-regulating device of the present invention, as shown in Figure 6, the place different from the first mode of execution is, drive unit adopts motor to drive, motor rotates and axial restraint with main shaft 401, coordinated for feeding electric motors with slip ring by carbon brush, motor connecting screw rod 14, driving disc 402 is provided with the tapped hole coordinated with screw rod 14.
The working procedure of stepless speed-regulating device of the present invention is such:
Main shaft 401 rotates together with driving disc 402 under the drive of prime mover, driven disc 403 is around main shaft 401 free rotary, when driven disc 403 needs to rotate, starting electrical machinery rotates forward and drives screw rod 14 to rotate, due to screw rod 14 axial restraint, just rotate while axially move near driven disc 403 direction with the driving disc 402 of its screw-thread fit, make magnetic conduction conductive member 405 corresponding with permanent magnet 404, produce electromagnetic force, driven disc 403 is driven to rotate, along with the corresponding part of permanent magnet 404 with magnetic conduction conductive member 405 increases gradually, electromagnetic force increases gradually, the power that driving disc 402 passes to driven disc 403 is also larger, the rotating speed of driven disc 403 just raises until the first friction part 408 is combined with the second friction part 409 reach the maximum speed Nmax synchronized with driving disc 402 gradually.
When driven disc 403 needs to reduce rotating speed, starting electrical machinery drives screw rod 14 to reverse, and makes driving disc 402 in rotary moving away from driven disc 403, reduces magnetic conduction conductive member 405 and permanent magnet 404 corresponding part.
In stepless speed-regulating device of the present invention, drive unit is except can adopting above-mentioned driving mode, can also adopt hydraulic driving, Electromagnetic Drive, manual drives etc.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technological scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (18)
1. stepless speed-regulating device, comprises main shaft (101, 201, 301, 401) main shaft (101, is positioned at, 201, 301, 401) driving disc (102 on, 202, 302, 402), driven disc (103, 203, 303, 403) and drive unit, described driving disc (102, 202, 302, 402) and driven disc (103, 203, 303, 403) opposing end surface is respectively equipped with the first friction part (108, 208, 308, 408) and the second friction part (109, 209, 309, 409), described first friction part and the second friction part can engage, described driven disc (103, 203, 303, 403) driving disc (102 can be followed by linkage, 202, 302, 402) rotate, described linkage comprises permanent magnet (104, 204, 304, 404) and magnetic conduction conductive member (105, 205, 305, 405), described permanent magnet (104, 204, 304, 404) driving disc (102 is located at, 202, 302, 402) and driven disc (103, 203, 303, 403) on a dish in, described magnetic conduction conductive member (105, 205, 305, 405) driving disc (102 is located at, 202, 302, 402) and driven disc (103, 203, 303, 403) on another dish in, permanent magnet (104, 204, 304, 404) with magnetic conduction conductive member (105, 205, 305, 405) corresponding at least partly, described driven disc (103, 203, 303, 403) the rotating speed maximum value Nmax reached and driving disc (102, 202, 302, 402) rotating speed is identical, described drive unit adjustment driving disc (102, 202, 302, 402) and driven disc (103, 203, 303, 403) at main shaft (101, 201, 301, 401) relative distance of axial direction makes driven disc (103, 203, 303, 403) rotating speed between 0-Nmax, arbitrfary point changes.
2. stepless speed-regulating device according to claim 1, it is characterized in that: described driving disc (102,402) is connected to main shaft (101,401) and above also can moves axially along main shaft (101,401) under the driving of drive unit, described driven disc (103,403) is around main shaft (101) rotation and relative to main shaft (101) axial restraint.
3. stepless speed-regulating device according to claim 1, it is characterized in that: described driving disc (202,302) is around main shaft (201,301) rotation and relative to main shaft (201,301) axial restraint, described driven disc (203,303) is connected to main shaft (201,301) and above also can moves axially along main shaft (201,301) under the driving of drive unit.
4. stepless speed-regulating device according to claim 2, it is characterized in that: described driving disc (102, 402) and driven disc (103, 403) linkage is provided with between, described linkage comprises and is arranged on driving disc (102, 402) permanent magnet (104 on, 404) and be embedded at driven disc (102, 202) the magnetic conduction conductive member (105 in, 405), permanent magnet (104, 404) with magnetic conduction conductive member (105, 405) corresponding at least partly, described permanent magnet (104, 404) with magnetic conduction conductive member (105, 405) corresponding part is with driving disc (102, 402) with driven disc (103, 403) at main shaft (101, 401) axial direction relative distance change and change.
5. stepless speed-regulating device according to claim 4, it is characterized in that: described permanent magnet (104,404) arranges and is positioned on the excircle of driving disc (102,402), described driven disc (103,403) is provided with the first extension part (106,406) to driving disc (102,402) direction vertically, described first extension part (106,406) radial direction is positioned at the outside of driving disc (102,402) excircle, and described magnetic conduction conductive member (105,405) is embedded in the first extension part (106,406).
6. stepless speed-regulating device according to claim 4, it is characterized in that: described magnetic conduction conductive member (105,405) is embedded in the excircle of driven disc (103,403), described driving disc (102,402) is provided with the first extension part (106,406) to driven disc (103,403) direction vertically, described permanent magnet (104,404) arranges the inner side being positioned at the first extension part (106,406), and described first extension part (106,406) radial direction is positioned at the outside of driven disc (103,403) excircle.
7. stepless speed-regulating device according to claim 3, it is characterized in that: described driving disc (202, 302) and driven disc (203, 303) linkage is provided with between, described linkage comprises and is arranged on driven disc (203, 303) permanent magnet (204 on, 304) and be embedded at driving disc (202, 302) the magnetic conduction conductive member (205 in, 305), permanent magnet (204, 304) with magnetic conduction conductive member (205, 305) corresponding at least partly, described permanent magnet (204, 304) with magnetic conduction conductive member (205, 305) corresponding part is with driving disc (202, 302) and driven disc (203, 303) at main shaft (201, 301) axial direction relative distance change and change.
8. stepless speed-regulating device according to claim 7, it is characterized in that: described permanent magnet (204,304) arranges and is positioned on the excircle of driven disc (203,303), described driving disc (202,302) is provided with the first extension part (206,306) to driven disc (203,303) direction vertically, described first extension part (206,306) radial direction is positioned at the outside of driven disc (203,303) excircle, and described magnetic conduction conductive member (205,305) is embedded in the first extension part (206,306).
9. stepless speed-regulating device according to claim 7, it is characterized in that: described driven disc (203,303) is provided with the second extension part to driving disc (202,302) direction vertically, described permanent magnet (204,304) arranges the inner side being positioned at the second extension part, described magnetic conduction conductive member (205,305) is embedded in the excircle of driving disc (202,302), and described second extension part radial direction is positioned at the outside of driving disc (202,302) excircle.
10. the stepless speed-regulating device according to claim 5 or 8, it is characterized in that: when described permanent magnet (104,204,304,404) and magnetic conduction conductive member (105,205,305,405) engage the first friction part (108,208,308,408), the second friction part (109,209,309,409) described in time corresponding completely.
11., according to the arbitrary described stepless speed-regulating device of claim 1-9, is characterized in that: in the driving of described drive unit employing motor, hydraulic driving, air pressure driving, Electromagnetic Drive, manual drives, any one carries out action drives.
12. stepless speed-regulating devices according to claim 11, it is characterized in that: adopt motor-driven drive unit to comprise motor, the worm screw (10) be connected with motor, coordinate and axis and main shaft (101 with worm screw (10), 201, 301, 401) worm gear (11) of dead in line and sleeve (12), described worm gear (11) axial restraint and be provided with to driving disc (102 vertically, 402) or driven disc (203, 303) the 3rd extension part (7) in direction, described 3rd extension part (7) is provided with outside thread, one end of described sleeve (12) is provided with the internal thread matched with the 3rd extension part (7) outside thread, the other end of sleeve (12) is connected to driving disc (102, 402) or driven disc (203, 303) on.
13. stepless speed-regulating devices according to claim 11, it is characterized in that: adopt motor-driven drive unit to comprise motor and screw rod (14), described motor rotates and axial restraint with main shaft (101,401), described motor connecting screw rod (14), described driving disc (102,402) is provided with the tapped hole coordinated with screw rod (14).
14. stepless speed-regulating devices according to claim 11, it is characterized in that: the drive unit adopting air pressure to drive comprises cylinder (15) and piston rod (16), described cylinder (15) is supported on the upper also axial restraint of main shaft (101,201,301,401), and described piston rod (16) end is connected on driving disc (102,402) or driven disc (203,303).
The controlling method of 15. 1 kinds of stepless speed-regulating devices as claimed in claim 1, is characterized in that: comprise the following steps,
When a, driven disc need to rotate, drive unit promotes driving disc or/and driven disc moves axially the distance reduced between driving disc and driven disc along main shaft, makes driven disc follow driving disc and rotates;
When b, driven disc reach demand rotating speed, drive unit stops promoting driving disc or/and driven disc moves axially along main shaft;
When c, driven disc need reduction of speed, drive unit pulls driving disc or/and driven disc moves axially the distance increased between driving disc and driven disc along main shaft;
When d, driven disc reach demand rotating speed, drive unit stops drag driving disc or/and driven disc moves axially along main shaft;
E, drive unit drive driving disc or/and driven disc moves on main-shaft axis according to abovementioned steps according to demand, the rotating speed of driven disc between 0-Nmax, arbitrfary point is changed, the opposing end surface of driving disc and driven disc arranges the first friction part and the second friction part respectively, be bonded with each other when first and second friction part is contacted, when first and second friction part engages, driven disc rotating speed is identical with driving disc rotating speed and reach maximum (top) speed Nmax.
16. 1 kinds of fan clutches, are equipped with the arbitrary described stepless speed-regulating device of claim 1-14.
17. fan clutches according to claim 16, is characterized in that: also comprise measurement module and control module, described measurement module link control module, control module connecting drive device, and described measurement module comprises temperature transducer, tachometric survey device.
18. 1 kinds of water pumps, are equipped with the arbitrary described stepless speed-regulating device of claim 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210249098.5A CN102758903B (en) | 2012-07-18 | 2012-07-18 | Stepless speed-regulating device and controlling method and fan clutch, water pump with this device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210249098.5A CN102758903B (en) | 2012-07-18 | 2012-07-18 | Stepless speed-regulating device and controlling method and fan clutch, water pump with this device |
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| Publication Number | Publication Date |
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| CN102758903A CN102758903A (en) | 2012-10-31 |
| CN102758903B true CN102758903B (en) | 2015-11-18 |
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|---|---|---|---|---|
| WO2014012228A1 (en) * | 2012-07-18 | 2014-01-23 | 龙口中宇汽车风扇离合器有限公司 | Continuous speed adjustment apparatus, control method thereof, and fan clutch and water pump using such apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102758903A (en) | 2012-10-31 |
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Address after: 265717 Shandong city of Yantai Province, Ma Zhen Chen Jia Longkou Applicant after: LONGKOU ZHONGYU AUTOMOBILE FAN CLUTCH CO., LTD. Address before: 265717 Shandong city of Yantai Province, Ma Zhen Chen Jia Longkou Applicant before: Car Fan Clutch Factory, Longkou City |
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