CN201336608Y - Permanent magnet dual-decelerating motor - Google Patents
Permanent magnet dual-decelerating motor Download PDFInfo
- Publication number
- CN201336608Y CN201336608Y CNU2008202233716U CN200820223371U CN201336608Y CN 201336608 Y CN201336608 Y CN 201336608Y CN U2008202233716 U CNU2008202233716 U CN U2008202233716U CN 200820223371 U CN200820223371 U CN 200820223371U CN 201336608 Y CN201336608 Y CN 201336608Y
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- speed reducing
- permanent magnet
- planetary gear
- motor
- reducing mechanism
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Abstract
The utility model relates to a motor, particularly to a permanent magnet dual-decelerating motor, which belongs to the field of mechanics. The permanent magnet dual-decelerating motor comprises a stator assembly, an armature assembly, a rear cover, a planet speed reducing mechanism I and a speed reducing mechanism II, wherein the armature assembly is connected with the planet speed reducing mechanism I via a bearing seat, and the planet speed reducing mechanism II is arranged on the planet speed reducing mechanism I. The speed reducing mechanisms of the motor are second-order planet speed reducing mechanisms which can output two types of torque at the same time so as to improve the applicability of the motor. The motor has the advantages of a permanent magnet DC motor and the advantages of a decelerating motor and a direct-driving motor, can output different torque at the same time to achieve multiple purposes, and overcomes the small torque problem in the prior DC permanent magnet direct-driving motor. The motor has the advantages of small volume, stable performance, small noise, low zero-load current and high brake torque.
Description
Technical field
The utility model relates to a kind of motor, and particularly a kind of permanent magnet double-reduction motor belongs to mechanical field.
Background technology
At present, Xian Jin motorcycle starter adopts charged magnetic switch or direct-drive type starter; Charged magnetic switch mostly is that reducing motor, the general 15-20N.m of its output torque do not wait, the direct-drive type starter motor is generally 5-14N.m, but does not all reach 40N.m, and volume is big, noise is big, adopt permanent magnetism direct current starter motor output torque littler, can reach 6---10N.M after the employing one-level is slowed down and not wait, this class starter motor is simple in structure, volume is little, light weight, noise is little, and power is little.And domestic motorcycle adopts the Starting mode of permanent magnet direct-drive formula very general, and its output torque is mostly less than 2N.m.China is motorcycle consumption big country, also is motorcycle big producing country, and market competition is more and more fierce, and its technology content requires also more and more higher.2006.03.29, Patent Office of the People's Republic of China discloses the utility model patent (notification number: CN2768287) of a kind of " planetary permanent magnetism decelerator " by name, this permanent magnetism decelerator comprises driven wheel, rotates compositions such as guide shaft, reduction chamber, direct current high-speed electric expreess locomotive.The output wheel of direct current high-speed electric expreess locomotive is the tooth great wheel, is provided with reduction chamber in the outside of this tooth great wheel, and gear is arranged in the reduction chamber, between tooth great wheel and internal gear, bite and closed planetary gear, planetary gear drives and rotates guide shaft, rotates guide shaft and connects driven wheel, makes the driven wheel acting.This utility model is provided with multidirectional current input terminal, can change the rotation direction of motor, and it is fast to be suitable on the taxi the used motor requirement reaction of hijacking-proof device, the requirement that moment is big.The weak point of this motor be one be motor force little, the 2nd, can only export a kind of moment of torsion, so applicability is narrower.
Summary of the invention
For solving the above-mentioned defective of prior art, the utility model provides a kind of permanent magnet double-reduction motor.The reducing gear of this motor is the secondary planet reducing gear, can export two kinds of torsion simultaneously, improves the applicability of motor; Motor volume is little simultaneously, stable performance, and noise is little, and no-load current is little, and braking torque is big.
The technical solution of the utility model is to be achieved by following content:
A kind of permanent magnet double-reduction motor, comprise field frame assembly, rotor assembly, bonnet, it is characterized in that: described permanent magnet double-reduction motor also comprises planetary gear speed reducing mechanism I and planetary gear speed reducing mechanism II, described rotor assembly is connected with planetary gear speed reducing mechanism I by bearing pedestal, and planetary gear speed reducing mechanism II is arranged on the planetary gear speed reducing mechanism I.
Described planetary gear speed reducing mechanism I by planet axis, fixed planet shafts and connect simultaneously middle cover bearing, be fixed on ring gear in the middle cover, the fixing alignment pin of ring gear, be located at planetary gear and oil sealing formation on the planet axis.
Described planetary gear speed reducing mechanism II by protecgulum, be fixed at bearing I I, planet axis II, ring gear II, planetary gear II in the protecgulum, the fixedly alignment pin II of ring gear, and jack shaft II, shaft block ring II, oiliness bearing II constitute.
In described, cover sheathed O-ring seals.
Described planetary gear II is fixed by big end back-up ring.
Reducing gear II and reducing gear I combine by connecting screw rod.
Described field frame assembly adopts permanent-magnet stator.
In described planetary gear speed reducing mechanism I, the bearing fixing planet axis connects middle cover simultaneously; Alignment pin effectively is fixed on ring gear in the middle cover; Make planet axis and ring gear like this on an axle center.Two jack shafts be pressed together on the transverse plane of planet axis and and axis parallel, as the rotation center of two planet pinions.Two planetary gear I that assembled needle bearing are overlapped in the above, rotation by armature just passes and two planetary gears like this, ring gear is as fixture, revolve round the sun around the axle center in the time of two planetary gear rotations, the drive planet axis is rotated, to slow down by two planetary gears at a high speed, and finish the deceleration task and export by planet axis I.
The power of planetary gear speed reducing mechanism II comes from planetary gear speed reducing mechanism I, and two oiliness bearings guarantee that effectively planetary reduction gear I, II are on same axle center.The self-lubricating of oiliness bearing guarantees that planetary reduction gear I runs well.The rotating speed that planetary gear speed reducing mechanism I is provided by planetary reduction gear is speed change once more, by planet axis II output, finish the deceleration task.
Adopt planetary gear speed reducing mechanism and dead axle line gear gearratio, the planetary gear transmission has that volume is little, in light weight, bearing capacity is big, efficient is high and advantage such as stable working.
Be embedded with oiliness bearing and needle bearing in the planetary gear respectively.The self-lubrication effect of oiliness bearing guarantees the lubricated and heat radiation of high-speed gear running.Adjustable needle bearing complementation concentricity, improved accuracy class.
Adopt permanent magnet DC motor to be because permanent magnet is set up the DC motor of excitation field, it is except the excellent mechanical properties and modulability and the speed-regulating range width that have general electromagnetic type DC motor and possessed and be convenient to the characteristics such as control, has also that volume is little, efficient is high, advantages of simple structure and simple
The reducing gear of motor is the secondary planet reducing gear, can export two kinds of moments simultaneously, improves the applicability of motor; Motor volume is little simultaneously, stable performance, and noise is little, and no-load current is little, and braking torque is big.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the annexation schematic diagram of the utility model planetary gear speed reducing mechanism I and planetary gear speed reducing mechanism II.
Fig. 3 is the structural representation of the utility model planetary gear speed reducing mechanism I.
Fig. 4 is the structural representation of the utility model planetary gear speed reducing mechanism II.
Embodiment
Below by accompanying drawing the utility model is elaborated:
As shown in Figure 1, the utility model is a kind of permanent magnet double-reduction motor, comprise field frame assembly 4, rotor assembly 5 and bonnet 6, described permanent magnet double-reduction motor also comprises planetary gear speed reducing mechanism I and planetary gear speed reducing mechanism II, described rotor assembly 5 is connected with planetary gear speed reducing mechanism I by bearing pedestal 3, and planetary gear speed reducing mechanism II is arranged on the planetary gear speed reducing mechanism I.Described planetary gear speed reducing mechanism I by planet axis 2-1, fixed planet shafts 2-1 and connect simultaneously middle cover 2-3 bearing 2-7, be fixed on ring gear 2-5 in the middle cover 2-3, the fixing alignment pin 2-4 of ring gear 2-5, be located at planetary gear 2-6 and oil sealing 2-2 formation on the planet axis 2-1.Described planetary gear speed reducing mechanism II by protecgulum 1-1, be fixed at bearing I I 1-2, planet axis II 1-3, ring gear II 1-4, planetary gear II 1-5 in the protecgulum 1-1, the fixedly alignment pin II1-6 of ring gear 1-4, and jack shaft II 1-7, shaft block ring II 1-8, oiliness bearing II 1-9 constitute.Sheathed O-ring seals 8 on described middle cover 2-3.Described planetary gear II 1-5 is fixed by big end back-up ring 7.Reducing gear II and reducing gear I combine by connecting screw rod.Described field frame assembly 4 adopts permanent-magnet stator.
With rotor assembly 5, greatly hold back-up ring 7, and bearing pedestal 3, field frame assembly 4 combine with bonnet 6, it is exactly a simple DC permanent magnet direct-drive motor, it sets up excitation field by permanent magnet, have good mechanical properties and regulating characteristics that general electromagnetic type DC motor possesses, and adjustable range wide and be convenient to control; It is little that while field frame assembly 4 adopts permanent magnetic materials to make this motor possess volume, the performance height, and the efficient height, simple in structure, easily manufactured, reduce cost simultaneously.With in planetary gear speed reducing mechanism I 2 combinations, this motor just possesses the general character of reducing motor again.Again planetary gear speed reducing mechanism II 1 is made up together, be permanent magnet double-reduction motor.Planetary gear speed reducing mechanism I not only can also externally export the bigger about 10N.m of moment for planetary gear speed reducing mechanism II provides power.And planetary gear speed reducing mechanism II can export can be greater than the big moment more than the 42N.M.The advantage of Here it is secondary planet reducing gear, speed reducing ratio is big.Less planetary gear can bear bigger load and component structurals such as planet axis and gear, and volume is little, and is in light weight.Accumulate above advantage and make this motor whole simple in structure, light and handy, bearing capacity is big, efficient is high and stable working, stable performance.
See that Fig. 2, planetary gear speed reducing mechanism are that reducing gear II and reducing gear I form by two big parts, middle by the fixing planetary gear 1-5 on the reducing gear II of big end back-up ring 7; O-ring seals 8 is enclosed within on the middle cover 2-3, effectively guarantees its sealing property; With connecting screw rod reducing gear II and reducing gear I are combined and both to be the secondary planet reducing gear.
As shown in Figure 3, planetary gear speed reducing mechanism I by: planet axis I 2-1, oil sealing 2-2, middle cover 2-3, alignment pin I2-4, ring gear I 2-5, planetary gear I 2-6, bearing I 2-7 form.Bearing I 2-7 fixed planet shafts 2-1 connects middle cover 2-3 simultaneously; Alignment pin I 2-4 effectively is fixed on ring gear I 2-5 in the middle cover 2-3; Make planet axis 2-1 and ring gear 2-5 like this on an axle center.Two jack shafts be pressed together on the transverse plane of planet axis and and axis parallel, as the rotation center of two planet pinions.Two planetary gear I that assembled needle bearing are overlapped in the above, rotation by armature just passes and two planetary gear 2-6 like this, ring gear is as fixture, revolve round the sun around the axle center in the time of two planetary gear 2-6 rotations, the drive planet axis is rotated, to slow down by two planetary gears at a high speed, and finish the deceleration task and export by planet axis I 2-1.
As shown in Figure 4, planetary gear speed reducing mechanism II is made up of protecgulum 1-1, bearing I I 1-2, planet axis II 1-3, ring gear II 1-4, planetary gear II 1-5, alignment pin II 1-6, jack shaft II 1-7, shaft block ring II 1-8, oiliness bearing II 1-9.Its theory structure is all similar to planetary gear speed reducing mechanism I, and it is planetary gear speed reducing mechanism I that difference is to provide power, increases by two oiliness bearing 1-9 in addition, it guarantees that effectively planetary reduction gear I, II are on same axle center.The self-lubricating of oiliness bearing guarantees that planetary reduction gear I runs well.The rotating speed that planetary gear speed reducing mechanism I is provided by planetary reduction gear is speed change once more, by planet axis II1-3 output, finish the deceleration task.
The utility model adopts planetary gear speed reducing mechanism and dead axle line gear gearratio, and it is little that Planetary Gear Transmission has a volume, In light weight, bearing capacity is big, efficient is high and the advantage such as stable working. Be embedded with respectively oiliness bearing and needle roller axle in the planetary gear Hold. The self-lubrication effect of oiliness bearing guarantees the lubricated and heat radiation of high-speed gear running. Adjustable needle bearing complementation Concentricity has improved accuracy class. Adopt permanent magnet DC motor to be because permanent magnet is set up the dc motor of excitation field, It except the excellent mechanical properties that has the moving motivation of general electromagnetic type direct current and possess and modulability and speed-regulating range width and Be convenient to outside the characteristics such as control, have also that volume is little, efficient is high, advantages of simple structure and simple. The reducing gear of motor is secondary Planetary gear speed reducing mechanism can be exported two kinds of moments simultaneously, improves the applicability of motor; Motor volume is little simultaneously, and performance is steady Fixed, noise is little, and no-load current is little, and the stall moment of torsion is big.
Claims (7)
1, a kind of permanent magnet double-reduction motor, comprise field frame assembly, rotor assembly one bonnet, it is characterized in that: described permanent magnet double-reduction motor also comprises nova reducing gear I and planetary gear speed reducing mechanism II, described rotor assembly is connected with planetary gear speed reducing mechanism I by bearing pedestal, and planetary gear speed reducing mechanism II is arranged on the planetary gear speed reducing mechanism I.
2, permanent magnet double-reduction motor according to claim 1, it is characterized in that: described planetary gear speed reducing mechanism I by planet axis (2-1), fixed planet shafts (2-1) and connect simultaneously middle cover (2-3) bearing (2-7), be fixed on ring gear (2-5) in the middle cover (2-3), the fixing alignment pin (2-4) of ring gear (2-5), be located at planetary gear (2-6) and oil sealing (2-2) formation on the planet axis (2-1).
3, permanent magnet double-reduction motor according to claim 1, it is characterized in that: described planetary gear speed reducing mechanism II by protecgulum (1-1), be fixed at bearing I I (1-2), planet axis II (1-3), ring gear II (1-4), planetary gear II (1-5) in the protecgulum (1-1), the fixedly alignment pin II (1-6) of ring gear (1-4), and jack shaft II (1-7), shaft block ring II (1-8), oiliness bearing II (1-9) constitute.
4, permanent magnet double-reduction motor according to claim 2 is characterized in that: go up sheathed O-ring seals (8) at described middle cover (2-3).
5, permanent magnet double-reduction motor according to claim 3 is characterized in that: described planetary gear II (1-5) is fixing by big end back-up ring (7).
6, permanent magnet double-reduction motor according to claim 1 is characterized in that: reducing gear II and reducing gear I combine by connecting screw rod.
7, permanent magnet double-reduction motor according to claim 1 is characterized in that: described field frame assembly (4) adopts permanent-magnet stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202233716U CN201336608Y (en) | 2008-12-12 | 2008-12-12 | Permanent magnet dual-decelerating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202233716U CN201336608Y (en) | 2008-12-12 | 2008-12-12 | Permanent magnet dual-decelerating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201336608Y true CN201336608Y (en) | 2009-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202233716U Expired - Fee Related CN201336608Y (en) | 2008-12-12 | 2008-12-12 | Permanent magnet dual-decelerating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201336608Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276307A (en) * | 2017-07-17 | 2017-10-20 | 哈尔滨博实通利动力装备股份有限公司 | A kind of electromechanical integration permanent-magnet drive system |
-
2008
- 2008-12-12 CN CNU2008202233716U patent/CN201336608Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276307A (en) * | 2017-07-17 | 2017-10-20 | 哈尔滨博实通利动力装备股份有限公司 | A kind of electromechanical integration permanent-magnet drive system |
| CN107276307B (en) * | 2017-07-17 | 2023-12-19 | 大连天晟永磁电机有限公司 | Electromechanical integrated permanent magnet driving system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20131212 |