CN105429425A - Oil cooling type permanent magnet speed regulator - Google Patents

Oil cooling type permanent magnet speed regulator Download PDF

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Publication number
CN105429425A
CN105429425A CN201510971751.2A CN201510971751A CN105429425A CN 105429425 A CN105429425 A CN 105429425A CN 201510971751 A CN201510971751 A CN 201510971751A CN 105429425 A CN105429425 A CN 105429425A
Authority
CN
China
Prior art keywords
oil
internal rotor
output shaft
rotor dish
telophragma
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510971751.2A
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Chinese (zh)
Inventor
匡俊
马玉顺
李冬冬
吴义敏
刘建频
曾令烈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Dongfang Marine Engineering Technology Co Ltd
Original Assignee
Shanghai Dongfang Marine Engineering Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Dongfang Marine Engineering Technology Co Ltd filed Critical Shanghai Dongfang Marine Engineering Technology Co Ltd
Priority to CN201510971751.2A priority Critical patent/CN105429425A/en
Publication of CN105429425A publication Critical patent/CN105429425A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K16/00Machines with more than one rotor or stator
    • H02K16/005Machines with only rotors, e.g. counter-rotating rotors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K49/00Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

Abstract

The invention provides oil cooling type permanent magnet speed regulator. The permanent magnet speed regulator comprises an output shaft and an input shaft that are coaxial, a conductor rotor set and a permanent magnet rotor set; the permanent magnet rotor set comprises a first inner rotor disc and a second inner rotor disc that are equipped with the permanent magnets; a middle disc is fixed between the two rotor discs; the conductor rotor set comprises two outer rotor discs arranged on the two sides of the two inner rotor discs; the outer rotor discs are provided with conductor discs; the middle disc is provided with a regulating apparatus used for regulating the positions of the two inner rotor discs so as to regulate air gaps; the regulating apparatus drives the second inner rotor disc to drive through a connecting sleeve; and the connecting sleeve drives a speed-regulating outer sleeve to drive through a connecting rod assembly. The regulating apparatus drives the first inner rotor disc to move so as to regulate the air gaps; the output rotary speed can be regulated by changing the air gaps by the speed regulator on the condition that the rotary speed of the motor is constant; the lubricating oil and the cooling oil of the system adopt the same medium, so that it is easy for the speed regulator to return oil and good in cooling effect; due to the integrated structure, the stability of the system is greatly improved; and meanwhile, the speed regulator is simple in structure and high in reliability.

Description

Oil cooling type permanent-magnet speed governor
Technical field
The present invention relates to permanent magnet transmission technical field, particularly a kind of oil cooling type permanent-magnet speed governor.
Background technology
In the motor transmission systems such as power plant's air preheater, centrifugal pump, blower fan, motor is generally by reductor output speed, and reductor is according to the load output rotating speed regulation of reality.General reductor, its speed reducing ratio is all a fixing class value, and speed regulation capacity is limited.Actual load situation of change is very complicated, is to solve problems, usually need the stepless time adjustment that deceleration function realizes in certain limit, and the deceleration system of complexity may cause whole drive system structure huge.
Patent of invention adjustable magnetic coupler (publication number: CN1248354A) discloses a kind of by regulating the permanent magnetic coupling of air-gap control load rotating speed between conductor rotor and permanent magnet, the cam path of this coupler adjusting device is exposed to outer surface, easily block due to dust, need often cleaning and charging-up lubricant oil, simultaneously, whole internal rotor assembly is installed on load end, makes the stressed deterioration of load end.A kind of axial permanent magnet synchronous coupling (CN201854168U) of utility model patent discloses a kind of coupler utilizing gear & rack structure to adjust permanent magnet and conductor rotor air gap, whole internal rotor assembly is installed on load end equally, load end stressed also poor.A kind of vertical permanent magnetic variable torque variable speed coupler (publication number: CN102324830A) with heat abstractor of patent of invention discloses a kind of permanent-magnet variable-speed shaft coupling utilizing radiating fin to dispel the heat, but the heat-removal modalities of this radiating fin, less at power, the variable speed coupling that caloric value is little fully can take away heat, but for powerful permanent-magnet variable-speed shaft coupling, when slippage is larger, when caloric value is very large, the structure of this kind of radiating fin chip cannot meet cooling requirements, permanent magnet temperature may be caused too high and demagnetize when situation is serious.
Summary of the invention
The object of the present invention is to provide a kind of oil cooling type permanent-magnet speed governor, with solve complex structure, speed efficiency and effect existing for existing speed regulator poor, cannot the problems such as powerful cooling requirements be met.
For achieving the above object, the invention provides a kind of oil cooling type permanent-magnet speed governor, comprise power shaft, be fixed on the conductor rotor group on described power shaft, output shaft, the p-m rotor group be connected with described output shaft, described output shaft, power shaft, conductor rotor group and p-m rotor group are coaxial; Described p-m rotor group comprises the first internal rotor dish and the second internal rotor dish that are provided with permanent magnet, is provided with telophragma in the middle of the first internal rotor dish and the second internal rotor dish; Described conductor rotor group comprises two external rotor dishes, the both sides of described first internal rotor dish and the second internal rotor dish are located at respectively by these two external rotor dishes, described two external rotor dishes are respectively equipped with conductor disc, described conductor disc is relative and coaxial with described first internal rotor dish and the second internal rotor dish respectively, and is provided with adjustable air gap between external rotor dish and internal rotor dish;
Described telophragma is fixed on described output shaft, and described telophragma is provided with adjusting device, and described adjusting device is for adjusting the position of the first internal rotor dish and the second internal rotor dish to adjust described air gap; Second internal rotor dish is connected with an adapter sleeve be set on output shaft, described adapter sleeve is set in the speed governing overcoat on output shaft by angular contact ball bearing support one, described speed governing overcoat is driven by a connecting rod ASSY and rotates, and described connecting rod ASSY is that aperture can the actuator of smooth adjustment;
Wherein, the outside of two described external rotor dishes is respectively equipped with oil cooling service pipe system, for applying cold oil on described external rotor dish.
Preferably, described adjusting device comprises torsion pass pin, gear and tooth bar, described gear is located on telophragma, one end of described torsion pass pin is fixed on the first internal rotor dish, the other end is through the through hole be located on described telophragma, described first internal rotor dish and the second internal rotor dish are respectively equipped with described tooth bar, the other end of described tooth bar respectively with described gears meshing.
Preferably, described telophragma is provided with rectangular channel, is provided with tooth rest in described rectangular channel, and described gear is arranged on described telophragma by tooth rest.
Preferably, the described cold oil of cold oil system use and the bearing oil at described power shaft and output shaft place are same medium.
Preferably, described connecting rod ASSY is connected with actuator by a pivoted arm, drives described connecting rod ASSY to move by described actuator by described pivoted arm.
Preferably, also comprise flat key, retaining ring for shaft shoulder and end cap, described retaining ring for shaft shoulder is set in the one end at telophragma place on described output shaft, the output shaft end face of this end is fixed with end cap, described telophragma is between described retaining ring for shaft shoulder and end cap, described telophragma radial direction is fixed on output shaft by described flat key, and described telophragma is axially fixed on output shaft by described retaining ring for shaft shoulder and end cap.
Preferably, the opposite flank of two described internal rotor dishes is provided with permanent magnetism pressing plate, and described permanent magnetism pressing plate covers described permanent magnet, and described permanent magnet is square or fan-shaped, and its quantity is even number and is arranged in order by the difference of the polar surface of S pole and N pole.
Preferably, by several evenly and have the air gap plate that predetermined interval distributes and connect into entirety, described internal rotor dish and telophragma are positioned at the whole interior that described air gap plate connects into for two described external rotor dishes.
Preferably, described oil cooling service pipe system has cold oil delivery outlet, the outside of described external rotor dish is provided with oil guide groove, the planar slot that the inner side of described external rotor dish communicates with described oil guide groove, the outside that cold oil inputs to external rotor dish by described oil guide groove cools by described cold oil delivery outlet, and throws away for collection via described planar slot.
Preferably, described power shaft, conductor rotor group, output shaft, p-m rotor are mounted in a casing, and described power shaft is fixed on input shaft bearing seat supports on described casing by one, and described speed governing inner sleeve to be fixed on casing thus to support described output shaft.
Preferably, the bottom of described casing is provided with oil return opening, for collecting cold oil.
Preferably, described output shaft is also arranged with speed governing inner sleeve, and described speed governing inner sleeve is fixed on described casing, and described speed governing inner sleeve overcoat has described speed governing overcoat, put outside described speed governing and be provided with needle bearing, described needle bearing can slide along being arranged on the helicla flute put in described speed governing.
Preferably, put and be provided with bearing plate outside described speed governing, described bearing plate is used for fixing described needle bearing, and described speed governing inner sleeve is secured by bolts on described casing.
Oil cooling type permanent-magnet speed governor provided by the invention is for the specially designed speed regulator of heavy-duty motor drive system, and the simple and reliable property of its structure is high.When motor speed is fixing, can step-less adjustment load speed, compared with frequency converter, unregulated power is humorous involves the problems such as shaft voltage, and compared with fluid coupling, speed efficiency is higher.And the lubricating oil of this speed regulator and cold oil adopt same medium, structure is simple, the problem such as stuck that the burn into vaporization of anhydrous cold mould and insufficient lubrication cause.
Accompanying drawing explanation
Fig. 1 is oil cooling type permanent-magnet speed governor cutaway view provided by the invention;
Fig. 2 is oil cooling type permanent-magnet speed governor power shaft parts cutaway view provided by the invention;
Fig. 3 is oil cooling type permanent-magnet speed governor output shaft assembly cutaway view provided by the invention;
Fig. 4 is the schematic diagram of oil cooling type permanent-magnet speed governor casing provided by the invention.
Label declaration: 1-power shaft; 2-power shaft bearing; 3-clutch shaft bearing; 4-second bearing; 5-external rotor dish; 6-conductor disc; 7-first internal rotor dish; 8-permanent magnet; 9-permanent magnetism pressing plate; 10-torsion pass pin; 11-air gap plate; 12-second internal rotor dish; 13-actuator; 14-pivoted arm; 15-connecting rod ASSY; 16-output shaft; 17-adapter sleeve; 18-angular contact ball bearing; 19-the 3rd bearing; 20-the 4th bearing; 21-speed governing inner sleeve; 22-bearing; 23-tachymeter; 24-needle bearing; 25-bearing plate; 26-speed governing overcoat; 27-first oil cooling service pipe system; 28-retaining ring for shaft shoulder; 29-flat key; 30-tooth rest; 31-tooth bar; 32-telophragma; 33-gear; 34-end cap; 35-second oil cooling service pipe system; 36-casing; 37-lubricating oil oil-in; 38-and cold oil oil-in; 39-oil return opening.
Embodiment
For better the present invention being described, hereby with a preferred embodiment, and accompanying drawing is coordinated to elaborate to the present invention, specific as follows:
As shown in Figure 1, the oil cooling type permanent-magnet speed governor that the present embodiment provides comprises a casing, and be provided with power shaft 1, output shaft 16 in casing, power shaft 1 be fixed with conductor rotor group, output shaft 16 is connected with p-m rotor group.Wherein, above-mentioned p-m rotor group comprises the first internal rotor dish 7 and the second internal rotor dish 12 that two are provided with permanent magnet 8, the opposite flank of the first internal rotor dish 7 and the second internal rotor dish 12 is respectively equipped with permanent magnetism pressing plate 9, permanent magnetism pressing plate 9 covers and is positioned over permanent magnet 8 on the first internal rotor dish 7 and the second internal rotor dish 12 to be fixed, and the permanent magnet 8 in the present embodiment is square or fan-shaped, its quantity is even number and is arranged in order by the polar surface difference of S pole and N pole, is also that the polar surface of permanent magnet is according to S-N-S-N ... order arrangement.The material of internal rotor dish can be aluminum or aluminum alloy.In addition, the centre of the first internal rotor dish 7 and the second internal rotor dish 12 is provided with telophragma 32, and telophragma 32 is fixed on output shaft 16 by flat key 29 radial direction.And conductor rotor group comprises two external rotor dishes 5, the both sides of the first internal rotor dish 7 and the second internal rotor dish 12 are located at respectively by these two external rotor dishes 5.Opposite flank on each external rotor dish 5 is respectively equipped with conductor disc 6, and conductor disc 6 is relative and coaxial with the first internal rotor dish 7 and the second internal rotor dish 12, and is provided with adjustable gap between external rotor dish 5 and internal rotor dish 7 and internal rotor dish 12.And output shaft 16, power shaft 1, conductor rotor group and p-m rotor group are coaxial.Above-mentioned power shaft, conductor rotor group, output shaft, p-m rotor are mounted in a casing 36.This casing, for supporting whole speed regulator, becomes one, and has safeguard function concurrently, to protect the structure of the speed regulator such as conductor rotor group, p-m rotor group.
Particularly, as shown in Figures 1 and 2, power shaft 1, power shaft bearing 2, two external rotor dishes 5, two conductor plates 6 and air gap plate 11 form the power shaft parts of oil cooling type permanent-magnet speed governor of the present invention.Wherein, external rotor dish 5 is connected with power shaft 1 by bolt, and power shaft 1 is supported in above-mentioned power shaft bearing 2 by clutch shaft bearing 3 and the second bearing 4, and power shaft bearing 2 is bolted on casing 36.Two external rotor dishes 5 by multiple evenly and connect into entirety by the air gap plate 11 that predetermined interval distributes, the telophragma 32 between internal rotor dish 7, internal rotor dish 12 and two parts is positioned at the whole interior that air gap plate 11 connects into external rotor dish 5.The outside of two external rotor dishes 5 of this oil cooling type permanent-magnet speed governor is respectively equipped with the first oil cooling service pipe system 27 and the second oil cooling service pipe system 35, and cold oil can be sprayed onto on two external rotor dishes 5 by the first oil cooling service pipe system 27 and the second oil cooling service pipe system 35 and cool.In the present embodiment, the second oil cooling service pipe system 35 is fixedly installed in power shaft bearing 2.
As shown in Figure 1, Figure 3, output shaft 16, internal rotor dish 7, internal rotor dish 12, permanent magnetism pressing plate 9 form the output shaft assembly of oil cooling type permanent-magnet speed governor of the present invention.Particularly, the opposite face of internal rotor dish 7 and internal rotor dish 12 is fixed with a torsion pass pin 10, one end of torsion pass pin 10 is fixed on internal rotor dish 7, and the other end is through the through hole be located on telophragma 32, and torsion pass pin 10 is for limiting direction of motion when the relative internal rotor dish 12 of internal rotor dish 7 moves simultaneously.The opposite face of internal rotor dish 7 and internal rotor dish 12 is also respectively equipped with tooth bar 31, and the other end of tooth bar 31 is meshed with the gear 33 on telophragma 32.Tooth bar telophragma 32 is provided with rectangular channel, is provided with tooth rest 30 in rectangular channel, and gear 33 is arranged on telophragma 32 by tooth rest 30.And telophragma 32 is fixed on output shaft 16 by flat key 29 radial direction, and the place end at telophragma 32 on output shaft 16 is also arranged with retaining ring for shaft shoulder 28, the end face of the output shaft 16 of this end is fixed with end cap 34, telophragma 32 is between retaining ring for shaft shoulder 28 and end cap 34, and retaining ring for shaft shoulder 28 and end cap 34 coordinate flat key 29 by telophragma 32 on output shaft.And two internal rotor dishes are centered by telophragma 32, can move along axis direction.
Wherein, the adapter sleeve 17 that the second internal rotor dish 12 and is set on output shaft 16 is fixedly connected with by screw.Adapter sleeve 17 can move along axis direction on output shaft 16.Particularly, adapter sleeve 17 supports speed governing overcoat 26 by pair of horns contact ball bearing 18, and in speed governing overcoat 26, being provided with speed governing inner sleeve 21, speed governing inner sleeve is supported on output shaft 16 by the 3rd bearing 19 and the 4th bearing 20, and speed governing inner sleeve 21 is secured by bolts on casing 36.Speed governing overcoat 26 is fixed with a needle bearing 24 by bearing plate 25, and the corresponding position of speed governing inner sleeve 21 is provided with helicla flute, and when speed governing overcoat 26 rotates, needle bearing 24 can slide along the helicla flute of speed governing inner sleeve 21.And speed governing overcoat 26 drives rotation by a connecting rod ASSY assembly.Output shaft is also provided with bearing 22, bearing 22 is fixed with tachymeter 23.In the present embodiment, the first oil cooling service pipe system 27 is fixedly installed on speed governing overcoat 26.
Refer again to Fig. 1, the connecting rod ASSY assembly of speed governing overcoat 26 is driven to comprise connecting rod ASSY 15, connecting rod ASSY 15 is connected with actuator 13 by a pivoted arm 14, is moved by pivoted arm 14 drive link assembly 15 by actuator 13, and then drives speed governing overcoat 26 to rotate.
First oil cooling service pipe system 27 and the second oil cooling service pipe system 35 are respectively equipped with cold oil delivery outlet, correspondingly, the position that the outside of two external rotor dishes 5 is corresponding with cold oil delivery outlet is respectively equipped with oil guide groove, and the inner side of two external rotor dishes 5 is respectively equipped with the planar slot communicated with oil guide groove, the outside that cold oil inputs to external rotor dish 5 by oil guide groove cools by cold oil delivery outlet, and throw away for oil return opening collection via planar slot, oil return opening is arranged at the below of the external rotor dish 5 inside described casing 36.
As shown in Figure 4, casing 36 of the present invention is provided with lubricating oil oil-in 37 and cold oil oil-in 38, and the bottom of casing 36 is provided with oil return opening 39, for collecting cold oil.Power shaft 1 is identical with the cold oil medium of speed regulator with the bearing lubrication of output shaft 16 support place, cold oil is entered by the groove opened outside external rotor dish, throw away from the planar slot external rotor dish medial surface, lubricating oil and cold oil are all by oil return opening 39 oil return of casing 36 bottom.
The course of work of this oil cooling type permanent-magnet speed governor is as follows:
Actuator 13 is moved by pivoted arm 14 drive link assembly 15, and then drives speed governing overcoat 26 to rotate.Because speed governing inner sleeve 21 is fixed on casing 36, speed governing overcoat 26 is along output shaft 16 axial motion, the needle bearing 25 be fixed on speed governing overcoat 26 moves along the helicla flute in speed governing inner sleeve 26, be axial motion by convert rotational motion, and then drive adapter sleeve 17 to carry out axial motion by angular contact ball bearing 18, thus the relative axial position of the second internal rotor dish 12 is changed.Now, tooth bar 31 opposed gear 33 on the second internal rotor dish 12 moves, and the rotation of gear 33 drives the tooth bar 31 be fixed on the first internal rotor dish 7 to move.At the torsion pass pin 10 of adjusting device, tooth bar 31, under the effect of gear 33, because telophragma 32 is fixed, then to send displacement size identical simultaneously for the first internal rotor dish 7 and the second internal rotor dish 12, the axial motion that direction is contrary, thus adjust the first internal rotor dish 7 and corresponding external rotor dish and the air gap between the second internal rotor dish 12 and corresponding external rotor dish simultaneously, along with the change of air gap, magnetic field intensity changes, the moment of torsion transmitted changes, thus the rotating speed obtained required for load, because the aperture of the connecting rod ASSY 13 as actuator can smooth adjustment, therefore the air gap between inner and outer rotors dish also can realize smooth adjustment, also namely load speed can realize stepless time adjustment.
In the present embodiment, the bearing oil at the cold oil that the first oil cooling service pipe system 27 and the second oil cooling service pipe system 35 use and above-mentioned power shaft 1 and output shaft 16 place is same medium.
This speed regulator is when motor speed is fixing, output rotating speed regulation can be carried out by the air gap changed between inner and outer rotors, the lubricating oil of system and cold oil adopt identical medium, oil return is simple, good cooling results, integral structure substantially increases the stability of system, and the simple and reliable property of its structure is high simultaneously.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those skilled in the art is in the technical scope that the present invention discloses; the distortion do the present invention or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.

Claims (13)

1. an oil cooling type permanent-magnet speed governor, comprises power shaft, is fixed on the conductor rotor group on described power shaft, output shaft, the p-m rotor group be connected with described output shaft, is characterized in that, described output shaft, power shaft, conductor rotor group and p-m rotor group are coaxial; Described p-m rotor group comprises the first internal rotor dish and the second internal rotor dish that are provided with permanent magnet, is provided with telophragma in the middle of the first internal rotor dish and the second internal rotor dish; Described conductor rotor group comprises two external rotor dishes, the both sides of described first internal rotor dish and the second internal rotor dish are located at respectively by these two external rotor dishes, described two external rotor dishes are respectively equipped with conductor disc, described conductor disc is relative and coaxial with described first internal rotor dish and the second internal rotor dish respectively, and is provided with adjustable air gap between external rotor dish and internal rotor dish;
Described telophragma is fixed on described output shaft, and described telophragma is provided with adjusting device, and described adjusting device is for adjusting the position of the first internal rotor dish and the second internal rotor dish to adjust described air gap; Second internal rotor dish is connected with an adapter sleeve be set on output shaft, described adapter sleeve is set in the speed governing overcoat on output shaft by angular contact ball bearing support one, described speed governing overcoat is driven by a connecting rod ASSY and rotates, and described connecting rod ASSY is that aperture can the actuator of smooth adjustment;
Wherein, the outside of two described external rotor dishes is respectively equipped with oil cooling service pipe system, for applying cold oil on described external rotor dish.
2. oil cooling type permanent-magnet speed governor according to claim 1, it is characterized in that, described adjusting device comprises torsion pass pin, gear and tooth bar, described gear is located on telophragma, one end of described torsion pass pin is fixed on the first internal rotor dish, the other end, through the through hole be located on described telophragma, described first internal rotor dish and the second internal rotor dish is respectively equipped with described tooth bar, the other end of described tooth bar respectively with described gears meshing.
3. oil cooling type permanent-magnet speed governor according to claim 2, it is characterized in that, described telophragma is provided with rectangular channel, is provided with tooth rest in described rectangular channel, and described gear is arranged on described telophragma by tooth rest.
4. oil cooling type permanent-magnet speed governor according to claim 1, is characterized in that, the bearing oil at the cold oil that described cold oil system uses and described power shaft and output shaft place is same medium.
5. oil cooling type permanent-magnet speed governor according to claim 1, is characterized in that, described connecting rod ASSY is connected with actuator by a pivoted arm, drives described connecting rod ASSY to move by described actuator by described pivoted arm.
6. oil cooling type permanent-magnet speed governor according to claim 1, it is characterized in that, also comprise flat key, retaining ring for shaft shoulder and end cap, described retaining ring for shaft shoulder is set in the one end at telophragma place on described output shaft, the output shaft end face of this end is fixed with end cap, described telophragma is between described retaining ring for shaft shoulder and end cap, and described telophragma radial direction is fixed on output shaft by described flat key, and described telophragma is axially fixed on output shaft by described retaining ring for shaft shoulder and end cap.
7. oil cooling type permanent-magnet speed governor according to claim 1, it is characterized in that, the opposite flank of two described internal rotor dishes is provided with permanent magnetism pressing plate, described permanent magnetism pressing plate covers described permanent magnet, described permanent magnet is square or fan-shaped, and its quantity is even number and is arranged in order by the difference of the polar surface of S pole and N pole.
8. oil cooling type permanent-magnet speed governor according to claim 1, it is characterized in that, by several evenly and have the air gap plate that predetermined interval distributes and connect into entirety, described internal rotor dish and telophragma are positioned at the whole interior that described air gap plate connects into for two described external rotor dishes.
9. oil cooling type permanent-magnet speed governor according to claim 1, it is characterized in that, described oil cooling service pipe system has cold oil delivery outlet, the outside of described external rotor dish is provided with oil guide groove, the planar slot that the inner side of described external rotor dish communicates with described oil guide groove, the outside that cold oil inputs to external rotor dish by described oil guide groove cools by described cold oil delivery outlet, and throws away for collection via described planar slot.
10. oil cooling type permanent-magnet speed governor according to claim 1, it is characterized in that, described power shaft, conductor rotor group, output shaft, p-m rotor are mounted in a casing, described power shaft is fixed on input shaft bearing seat supports on described casing by one, and described speed governing inner sleeve to be fixed on casing thus to support described output shaft.
11. oil cooling type permanent-magnet speed governors according to claim 10, it is characterized in that, the bottom of described casing is provided with oil return opening, for collecting cold oil.
12. oil cooling type permanent-magnet speed governors according to claim 10, it is characterized in that, described output shaft is also arranged with speed governing inner sleeve, described speed governing inner sleeve is fixed on described casing, described speed governing inner sleeve overcoat has described speed governing overcoat, put outside described speed governing and be provided with needle bearing, described needle bearing can slide along being arranged on the helicla flute put in described speed governing.
13. oil cooling type permanent-magnet speed governors according to claim 12, is characterized in that, put and be provided with bearing plate outside described speed governing, and described bearing plate is used for fixing described needle bearing, and described speed governing inner sleeve is secured by bolts on described casing.
CN201510971751.2A 2015-12-22 2015-12-22 Oil cooling type permanent magnet speed regulator Pending CN105429425A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510971751.2A CN105429425A (en) 2015-12-22 2015-12-22 Oil cooling type permanent magnet speed regulator

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Application Number Priority Date Filing Date Title
CN201510971751.2A CN105429425A (en) 2015-12-22 2015-12-22 Oil cooling type permanent magnet speed regulator

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Publication Number Publication Date
CN105429425A true CN105429425A (en) 2016-03-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105846650A (en) * 2016-05-06 2016-08-10 安徽沃弗电力科技有限公司 Horizontal type oil-cooled permanent magnetic speed regulator
WO2020233520A1 (en) * 2019-05-23 2020-11-26 安徽沃弗电力科技有限公司 Integrated oil-cooled permanent magnet governor
CN112615526A (en) * 2020-12-28 2021-04-06 诸暨和创磁电科技有限公司 Vertical permanent magnet speed regulator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101443987A (en) * 2006-01-12 2009-05-27 西基普股份有限公司 Cooling bearings, motors and other rotating heat generating components
CN204761270U (en) * 2015-05-13 2015-11-11 西安艾贝尔科技发展有限公司 Adopt closed speed governing type magnetism coupling transmission ware of coolant liquid
CN204858938U (en) * 2015-07-08 2015-12-09 安徽沃弗电力科技有限公司 Liquid cooling type permanent magnetism speed regulator
CN205195534U (en) * 2015-12-22 2016-04-27 上海市东方海事工程技术有限公司 Oil cold mould permanent magnet speed regulation ware

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101443987A (en) * 2006-01-12 2009-05-27 西基普股份有限公司 Cooling bearings, motors and other rotating heat generating components
CN204761270U (en) * 2015-05-13 2015-11-11 西安艾贝尔科技发展有限公司 Adopt closed speed governing type magnetism coupling transmission ware of coolant liquid
CN204858938U (en) * 2015-07-08 2015-12-09 安徽沃弗电力科技有限公司 Liquid cooling type permanent magnetism speed regulator
CN205195534U (en) * 2015-12-22 2016-04-27 上海市东方海事工程技术有限公司 Oil cold mould permanent magnet speed regulation ware

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105846650A (en) * 2016-05-06 2016-08-10 安徽沃弗电力科技有限公司 Horizontal type oil-cooled permanent magnetic speed regulator
CN105846650B (en) * 2016-05-06 2017-12-15 安徽沃弗电力科技有限公司 Horizontal oil cooling type permanent-magnet speed governor
WO2020233520A1 (en) * 2019-05-23 2020-11-26 安徽沃弗电力科技有限公司 Integrated oil-cooled permanent magnet governor
CN112615526A (en) * 2020-12-28 2021-04-06 诸暨和创磁电科技有限公司 Vertical permanent magnet speed regulator

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