CN102619611A - Overdrive device and electromagnetic fan clutch with same - Google Patents
Overdrive device and electromagnetic fan clutch with same Download PDFInfo
- Publication number
- CN102619611A CN102619611A CN2012101154224A CN201210115422A CN102619611A CN 102619611 A CN102619611 A CN 102619611A CN 2012101154224 A CN2012101154224 A CN 2012101154224A CN 201210115422 A CN201210115422 A CN 201210115422A CN 102619611 A CN102619611 A CN 102619611A
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- follower
- driving wheel
- iron core
- adhesive dish
- main shaft
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention relates to an overdrive device and an electromagnetic fan clutch with the same. The purpose of the invention is to provide the overdrive device under the certain input power of a power unit. The overdrive device comprises a driving gear, a third driven gear, a controller I, a first driven gear and a second driven gear, the driving gear and the third driven gear are rotatably connected onto a spindle, the controller I transmits the power of the third driven gear to the spindle, and the first driven gear and the second driven gear are fixedly connected onto an auxiliary shaft. Consequently, the angular velocity of the third driven gear is higher than the angular velocity of the driving gear.
Description
Technical field
The present invention relates to a kind of transmission device, particularly relate to a kind of electromagnetic fan clutch that forms overdriven device and have this device.
Background technique
Transmission device is the intermediate equipment of giving operation mechanism the transmission of power of power plant, and it can be the cooperation transmission through mechanical structure, also through the calutron transmission; Also can realize the speed change adjusting simultaneously, as the electromagnetic gear of using in the existing electromagnetic fan clutch was: belt pulley was sleeved on the main shaft, was embedded the iron core that has coil in the belt pulley center hole; The permanent magnet fixed tray is sleeved on the main shaft, and the adhesive dish is set between permanent magnet fixed tray and belt pulley, and the adhesive dish is fixedly connected with the permanent magnet fixed tray through spring sheet; Belt pulley rotates under the drive of motor; Behind the coil electricity in the iron core, iron core produces magnetic force, and magnetic attraction adhesive dish pulling spring sheet produces distortion along major axes orientation; Adhesive is to belt pulley; Together rotate with belt pulley, the moving permanent magnet fixed tray rotation of adhesive dribbling, the magnetic force that the permanent magnet on the permanent magnet fixed tray produces acts on the soft iron on the fan fixed disk; The drive fan rotates, and this device is also through being provided with a plurality of hot-wire coils, cooperating a plurality of adhesive dishes to regulate the rotating speed of fan.But no matter be mechanical transmission or electromagnetism transmission; Under the situation of not considering loss; Maximum theoretical output speed is exactly the rotating speed of transmission device such as belt pulley, under the certain situation of power plant input power, can't satisfy for the situation that rotating speed is had requirements at the higher level.
Summary of the invention
The technical problem that the present invention will solve is under the certain situation of power plant input power, and a kind of overdrive device is provided, and another object of the present invention provides a kind of electric fan clutch with this overdrive device.
Overdrive device of the present invention comprises the driving wheel and the 3rd follower that are rotatably connected on main shaft, and with the transmission of power of the 3rd follower control gear I to the said main shaft, is fixedly connected on first follower and second follower on the auxiliary axis; Make the angular velocity of said the 3rd follower greater than the angular velocity of said driving wheel.
Overdrive device of the present invention, wherein said driving wheel, first follower, second follower and the 3rd follower are belt pulley, pass through belt transmission respectively between the said driving wheel and first follower and between said second follower and the 3rd follower.
Overdrive device of the present invention, wherein said driving wheel, first follower, second follower and the 3rd follower are sprocket wheel, between the said driving wheel and first follower and between said second follower and the 3rd follower respectively through chain transmission.
Overdrive device of the present invention, wherein said said driving wheel, first follower, second follower and the 3rd follower are gear, pass through engagement driving respectively between the said driving wheel and first follower and between said second follower and the 3rd follower.
Overdrive device of the present invention, the diameter d 3 of wherein said second follower is greater than the diameter d 2 of said first follower.
Overdrive device of the present invention, the diameter d 1 of wherein said driving wheel is more than or equal to the diameter d 4 of the 3rd follower.
Overdrive device of the present invention, the diameter d 4 of wherein said the 3rd follower is greater than the diameter d 3 of said second follower.
Overdrive device of the present invention; Wherein said control gear I comprises first iron core that is sleeved on the main shaft, and first iron core is embedded with first coil in said first iron core between driving wheel and the 3rd follower; Also be provided with the first adhesive dish between said the 3rd follower and first iron core; The said first adhesive dish is fixedly connected on the 3rd follower through spring sheet, is provided with first drive plate between first iron core and the first adhesive dish, and said first drive plate is fixedly connected on the main shaft.
Overdrive device of the present invention, the parallel axes of wherein said main shaft and auxiliary axis, this transmission device also is provided with a housing, and main shaft and auxiliary axis pass through bearings on housing.
The present invention has the electromagnetic fan clutch of this overdrive device; Fan fixed disk is fixedly connected on the main shaft through woodruff key, and said driving wheel is fixedly connected with second drive plate near fan fixed disk one side, also is embedded with second iron core in the driving wheel; Be provided with second coil and tertiary coil in said second iron core; Be provided with the permanent magnet fixed tray between the said fan fixed disk and second drive plate, said permanent magnet fixed tray circumferentially is embedded many to permanent magnet, is embedded with soft iron with the permanent magnet relative position on the fan fixed disk; Be provided with the second adhesive dish, the 3rd adhesive dish between the said permanent magnet fixed tray and second drive plate; Said the 3rd adhesive dish overlaps with the second adhesive disk center, and the 3rd adhesive disc radial is positioned at the outside of the second adhesive dish, and the said second adhesive dish is fixedly connected on the permanent magnet fixed tray through spring sheet; The 3rd adhesive dish is fixedly connected on the fan fixed disk through spring sheet, and said second drive plate, second iron core and permanent magnet fixed tray all are contained on the main shaft through bearing housing.
Overdrive device difference from prior art of the present invention is that overdrive device of the present invention is provided with driving wheel, first, second, third follower, according to velocity ratio formula d
i/ d
k=n
k/ n
iRegulate diameter Relationship, make the angular velocity of the angular velocity of the 3rd follower, through control gear I the power of the 3rd follower is passed on the main shaft again, improved the output speed of main shaft, reached the effect of hypervelocity greater than coaxial driving wheel.
In the overdrive device of the present invention, driving wheel, first follower, second follower, the 3rd follower adopt belt pulley, through the belt transferring power, can relax load impacting, operate steadily, low noise, low vibration, simple in structure, easy to adjust; The driving wheel of this overdrive device, first follower, second follower, the 3rd follower also can adopt sprocket wheel, and through the chain transferring power, nonelastic slip and skidding, average ratios is accurate, transmitted power is big, the pressure that acts on the axle is little; The driving wheel of this overdrive device, first follower, second follower, the 3rd follower also can adopt gear, through direct engagement driving, and compact structure, efficient height; The diameter d 2 of the diameter d 3 of second follower greater than first follower is set; The diameter d 4 of the diameter d 1 of driving wheel more than or equal to the 3rd follower further is set; And the diameter d that the 3rd follower is set 4 further is greater than the diameter d 3 of second follower; All are the purpose whiles of improving the 3rd follower angular velocity, make the moment of torsion of the 3rd follower output bigger to greatest extent reaching; Control gear I adopts the electromagnetism kind of drive that the power of the 3rd follower is passed to main shaft, and whether, outage electric through getting of control coil is controlled to the main shaft outputting power, easy to operate, responding fast.
The electromagnetic fan clutch that the present invention has this overdrive device has compared with prior art had the overdrive device, on each grade rotating speed basis of routine, increases by one grade again, can make that rotation speed of the fan is higher, produces better radiating effect.
Below in conjunction with accompanying drawing overdrive device of the present invention and electromagnetic fan clutch with this device are described further.
Description of drawings
Fig. 1 is the sectional view of overdrive device of the present invention;
Fig. 2 has the sectional view of the electromagnetic fan clutch of this overdrive device for the present invention;
Fig. 3 is the permanent magnet distribution schematic diagram.
Embodiment one
As shown in Figure 1, overdrive device of the present invention comprises driving wheel 1 and the 3rd follower 4 that is rotatably connected on main shaft 6, is fixedly connected on first follower 2 and second follower 3 on the auxiliary axis 21.Driving wheel 1, first follower 2, second follower 3, the 3rd follower 4 adopt belt pulleys, pass through belt transmission respectively between the driving wheel 1 and first follower 2 and between second follower 3 and the 3rd follower 4.The diameter d 2 of the diameter d 3 of second follower 3 greater than first follower 2 is set, according to velocity ratio formula d
i/ d
k=n
k/ n
iThe diameter of driving wheel 1 and the 3rd follower 4 is set, makes the angular velocity of the 3rd follower 4 greater than the angular velocity of coaxial driving wheel 1.
Overdrive device of the present invention also comprises the transmission of power of the 3rd follower 4 control gear I to the main shaft 6; This control gear I comprises first iron core 11 that is sleeved on the main shaft 6; First iron core 11 is between driving wheel 1 and the 3rd follower 4; Be embedded with in first iron core 11 between first coil, 7, the three followers 4 and first iron core 11 and also be provided with the first adhesive dish 8, the said first adhesive dish 8 is fixedly connected on the 3rd follower 4 through spring sheet; Being provided with first drive plate, 5, the first drive plates 5 between first iron core 11 and the first adhesive dish 8 is fixedly connected on the main shaft 6.
This overdrive device also is provided with a housing 12, the parallel axes of main shaft 6 and auxiliary axis 21, the two all through bearings on housing 12.
The working procedure of this overdrive device is such, and driving wheel 1 rotates under engine drives, and the angular velocity of the 3rd follower 4 is greater than driving wheel 1 after conversion.To 7 energisings of first coil; First iron core 11 produces magnetic force, and the magnetic attraction first adhesive dish 8 pulling spring sheets produce distortion along major axes orientation, and adhesive is to first drive plate 5; First drive plate 5 and the 3rd follower 4 are combined; First drive plate 5 rotates with speed under the drive of the 3rd follower 4, and then drives main shaft 6 with the speed rotation, and main shaft 6 can connect other power demand parts to its outputting power.
This control gear I also can directly link to each other with main shaft 6 through the 3rd follower 4 and realize transmission.
Embodiment two
The difference of overdrive device of the present invention and mode of execution one is, the diameter d 2 of the diameter d 3 of second follower 3 greater than first follower 2 is set, and the diameter d 1 of driving wheel 1 is more than or equal to the diameter d 4 of the 3rd follower 4.
Embodiment three
The difference of overdrive device of the present invention and mode of execution one, two is; The diameter d 2 of the diameter d 3 of second follower 3 greater than first follower 2 is set; The diameter d 1 of driving wheel 1 is more than or equal to the diameter d 4 of the 3rd follower 4, and the diameter d 4 of the 3rd follower 4 is greater than the diameter d 3. of second follower 3.
For overdrive device of the present invention; There are a lot of set-up modes in the diameter Relationship of driving wheel 1, first follower 2, second follower 3 and the 3rd follower 4; As long as adjust design, can realize the angular velocity of the 3rd follower 4 angular velocity greater than driving wheel 1 according to velocity ratio formula di/dk=nk/ni.
Embodiment four
The difference of overdrive device of the present invention and mode of execution one, two, three is; Driving wheel 1, first follower 2, second follower 3 and the 3rd follower 4 are sprocket wheel, between the driving wheel 1 and first follower 2 and between second follower 3 and the 3rd follower 4 respectively through chain transmission.
Embodiment five
The difference of overdrive device of the present invention and mode of execution one, two, three, four is; Driving wheel 1, first follower 2, second follower 3 and the 3rd follower 4 are gear, pass through engagement driving respectively between the driving wheel 1 and first follower 2 and between second follower 3 and the 3rd follower 4.
The overdrive device of embodiment of the present invention one to five is applicable to electromagnetic fan clutch such as single speed, double speed in the existing technology.
As shown in Figure 2, be a double speed electromagnetic fan clutch, add this overdrive device, form three speed hypervelocity electromagnetic fan clutch.This three speed hypervelocity electromagnetic fan clutch, fan fixed disk 13 is fixedly connected on the main shaft 6 through woodruff key, and driving wheel 1 is fixedly connected with second drive plate 22 near fan fixed disk 13 1 sides.Also be embedded with in the driving wheel 1 and be provided with second coil 9 and tertiary coil 10 in second iron core, 20, the second iron cores 20.Be provided with permanent magnet fixed tray 14 between the fan fixed disk 13 and second drive plate 22, as shown in Figure 3, permanent magnet fixed tray 14 circumferentially is embedded many to permanent magnet 18, is embedded with soft iron 19 with permanent magnet 18 relative positions on the fan fixed disk 13.Be provided with the second adhesive dish 15, the 3rd adhesive dish 16 between the permanent magnet fixed tray 14 and second drive plate 22; The 3rd adhesive dish 16 overlaps with the second adhesive dish, 15 centers; The 3rd adhesive dish 16 radially is positioned at the outside of the second adhesive dish 15; The second adhesive dish 15 is fixedly connected on the permanent magnet fixed tray 14 through spring sheet, and the 3rd adhesive dish 16 is fixedly connected on the fan fixed disk 13 through spring sheet.Second drive plate 22, second iron core 20 and permanent magnet fixed tray 14 all are contained on the main shaft 6 through bearing housing.
This three speed hypervelocity electromagnetic fan clutch working procedure is such: driving wheel 1 rotates under engine drives; When to second coil 9 separately during energising, second iron core 20 produces magnetic force, with 15 adhesives of the second adhesive dish to second drive plate 22; Following driving wheel 1 together rotates; The second adhesive dish 15 drives together rotation of permanent magnet fixed tray 14 through spring sheet, and permanent magnet 18 rotations on the permanent magnet fixed tray 14 produce magnetic force, act on the soft iron 19 that is oppositely arranged with permanent magnet 18 on the fan fixed disk 13; Make soft iron 19 follow 14 rotations of permanent magnet fixed tray, and then drive fan fixed disk 13 rotations.
When second coil 9 is switched on tertiary coil 10 simultaneously; Second, third adhesive dish 15,16 simultaneously by adhesive to second drive plate 22; The 3rd adhesive dish 16 directly is connected on the fan fixed disk 13; Drive fan fixed disk 13 rotations, add the induced effect of the second adhesive dish 15 simultaneously, make the rotating speed of fan fixed disk 13 be higher than second coil 9 separately during energising through permanent magnet fixed tray 14.
When second coil 9 all cuts off the power supply with tertiary coil 10, when only first coil 7 is switched on, drive main shafts 6 rotations by the 3rd follower 4 that forms hypervelocity, fan fixed disk 13 is rotated under the drive of main shaft 6, forms higher rotating speed.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technological scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (12)
1. overdrive device; Comprise: driving wheel (1) and the 3rd follower (4) on main shaft (6) are rotatably connected; And, be fixedly connected on first follower (2) and second follower (3) on the auxiliary axis (21) with the transmission of power of the 3rd follower (4) the control gear I to the said main shaft (6); Make the angular velocity of said the 3rd follower (4) greater than the angular velocity of said driving wheel (1).
2. overdrive device according to claim 1; It is characterized in that: said driving wheel (1), first follower (2), second follower (3) and the 3rd follower (4) are belt pulley, pass through belt transmission respectively between said driving wheel (1) and first follower (2) and between said second follower (3) and the 3rd follower (4).
3. overdrive device according to claim 1; It is characterized in that: said driving wheel (1), first follower (2), second follower (3) and the 3rd follower (4) are sprocket wheel, between said driving wheel (1) and first follower (2) and between said second follower (3) and the 3rd follower (4) respectively through chain transmission.
4. overdrive device according to claim 1; It is characterized in that: said driving wheel (1), first follower (2), second follower (3) and the 3rd follower (4) are gear, pass through engagement driving respectively between said driving wheel (1) and first follower (2) and between said second follower (3) and the 3rd follower (4).
5. according to the arbitrary described overdrive device of claim 1-4, it is characterized in that: the diameter d 3 of said second follower (3) is greater than the diameter d 2 of said first follower (2).
6. overdrive device according to claim 5 is characterized in that: the diameter d 1 of said driving wheel (1) is more than or equal to the diameter d 4 of the 3rd follower (4).
7. overdrive device according to claim 6 is characterized in that: the diameter d 4 of said the 3rd follower (4) is greater than the diameter d 3 of said second follower (3).
8. overdrive device according to claim 5; It is characterized in that: said control gear I comprises first iron core (11) that is sleeved on the main shaft (6); First iron core (11) is positioned between driving wheel (1) and the 3rd follower (4); Be embedded with first coil (7) in said first iron core (11), also be provided with the first adhesive dish (8) between said the 3rd follower (4) and first iron core (11), the said first adhesive dish (8) is fixedly connected on the 3rd follower (4) through spring sheet; Be provided with first drive plate (5) between first iron core (11) and the first adhesive dish (8), said first drive plate (5) is fixedly connected on the main shaft (6).
9. according to claim 1-4, the arbitrary described overdrive device of 6-7; It is characterized in that: said control gear I comprises first iron core (11) that is sleeved on the main shaft (6); First iron core (11) is positioned between driving wheel (1) and the 3rd follower (4); Be embedded with first coil (7) in said first iron core (11), also be provided with the first adhesive dish (8) between said the 3rd follower (4) and first iron core (11), the said first adhesive dish (8) is fixedly connected on the 3rd follower (4) through spring sheet; Be provided with drive plate (5) between first iron core (11) and the first adhesive dish (8), said drive plate (5) is fixedly connected on the main shaft (6).
10. overdrive device according to claim 1 is characterized in that: the parallel axes of said main shaft (6) and auxiliary axis (21), and this transmission device also is provided with a housing (12), and main shaft (6) passes through bearings on housing (12) with auxiliary axis (21).
11. electromagnetic fan clutch with the arbitrary said overdrive device of claim 1-10.
12. electromagnetic fan clutch according to claim 11; It is characterized in that: fan fixed disk (13) is fixedly connected on the main shaft (6) through woodruff key; Said driving wheel (1) is fixedly connected with second drive plate (22) near fan fixed disk (13) one sides; Also be embedded with second iron core (20) in the driving wheel (1); Be provided with second coil (9) and tertiary coil (10) in said second iron core (20); Be provided with permanent magnet fixed tray (14) between said fan fixed disk (13) and second drive plate (22), said permanent magnet fixed tray (14) circumferentially is embedded many to permanent magnet (18), and fan fixed disk (13) goes up and permanent magnet (18) relative position is embedded with soft iron (19); Be provided with the second adhesive dish (15), the 3rd adhesive dish (16) between said permanent magnet fixed tray (14) and second drive plate (22); Said the 3rd adhesive dish (16) overlaps with second adhesive dish (15) center, and the 3rd adhesive dish (16) radially is positioned at the outside of the second adhesive dish (15), and the said second adhesive dish (15) is fixedly connected on the permanent magnet fixed tray (14) through spring sheet; The 3rd adhesive dish (16) is fixedly connected on the fan fixed disk (13) through spring sheet, and said second drive plate (22), second iron core (20) and permanent magnet fixed tray (14) all are contained on the main shaft (6) through bearing housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210115422.4A CN102619611B (en) | 2012-04-19 | 2012-04-19 | Overdrive device and electromagnetic fan clutch with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210115422.4A CN102619611B (en) | 2012-04-19 | 2012-04-19 | Overdrive device and electromagnetic fan clutch with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102619611A true CN102619611A (en) | 2012-08-01 |
| CN102619611B CN102619611B (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210115422.4A Expired - Fee Related CN102619611B (en) | 2012-04-19 | 2012-04-19 | Overdrive device and electromagnetic fan clutch with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102619611B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927155A (en) * | 2012-09-14 | 2013-02-13 | 中国第一汽车股份有限公司 | Composite electromagnetic clutch of double driven friction plates |
| CN103775540A (en) * | 2014-01-24 | 2014-05-07 | 北京阳铭诚科技有限责任公司 | Duplex electromagnetic clutch |
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| US7472778B2 (en) * | 2004-12-28 | 2009-01-06 | Baruffaldi S.P.A. | Device for transmitting the movement to fans, in particular of vehicles |
| JP2009024592A (en) * | 2007-07-19 | 2009-02-05 | Caterpillar Japan Ltd | Cooling fan drive device |
| CN201363188Y (en) * | 2009-03-17 | 2009-12-16 | 刘术 | Composite double-speed fan clutch |
| CN102080595A (en) * | 2011-01-14 | 2011-06-01 | 龙口中宇机械有限公司 | Automobile electromagnetic fan clutch utilizing actuation friction for connection and driving |
| US20110253077A1 (en) * | 2010-04-15 | 2011-10-20 | Baruffaldi S.P.A. | Reversible Double-Acting Electromagnetic Device For Transmitting The Movement To/From A Driven/Driving Member |
| CN202659334U (en) * | 2012-04-19 | 2013-01-09 | 龙口市汽车风扇离合器厂 | Overdrive device and electromagnetic fan clutch with same |
-
2012
- 2012-04-19 CN CN201210115422.4A patent/CN102619611B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7472778B2 (en) * | 2004-12-28 | 2009-01-06 | Baruffaldi S.P.A. | Device for transmitting the movement to fans, in particular of vehicles |
| JP2009024592A (en) * | 2007-07-19 | 2009-02-05 | Caterpillar Japan Ltd | Cooling fan drive device |
| CN201363188Y (en) * | 2009-03-17 | 2009-12-16 | 刘术 | Composite double-speed fan clutch |
| US20110253077A1 (en) * | 2010-04-15 | 2011-10-20 | Baruffaldi S.P.A. | Reversible Double-Acting Electromagnetic Device For Transmitting The Movement To/From A Driven/Driving Member |
| CN102080595A (en) * | 2011-01-14 | 2011-06-01 | 龙口中宇机械有限公司 | Automobile electromagnetic fan clutch utilizing actuation friction for connection and driving |
| CN202659334U (en) * | 2012-04-19 | 2013-01-09 | 龙口市汽车风扇离合器厂 | Overdrive device and electromagnetic fan clutch with same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927155A (en) * | 2012-09-14 | 2013-02-13 | 中国第一汽车股份有限公司 | Composite electromagnetic clutch of double driven friction plates |
| CN103775540A (en) * | 2014-01-24 | 2014-05-07 | 北京阳铭诚科技有限责任公司 | Duplex electromagnetic clutch |
| CN103775540B (en) * | 2014-01-24 | 2017-02-15 | 北京阳铭诚科技有限责任公司 | Duplex electromagnetic clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102619611B (en) | 2014-04-16 |
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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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Free format text: CORRECT: APPLICANT; FROM: LONGKOU CITY AUTOMOBILE FAN CLUTCH FACTORY TO: LONGKOU ZHONGYU AUTOMOBILE FAN CLUTCH CO., LTD. |
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Granted publication date: 20140416 Termination date: 20180419 |