CN102226463A - Novel speed reducer and speed reduction motor - Google Patents
Novel speed reducer and speed reduction motor Download PDFInfo
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- CN102226463A CN102226463A CN2011101383680A CN201110138368A CN102226463A CN 102226463 A CN102226463 A CN 102226463A CN 2011101383680 A CN2011101383680 A CN 2011101383680A CN 201110138368 A CN201110138368 A CN 201110138368A CN 102226463 A CN102226463 A CN 102226463A
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Abstract
The invention discloses a novel planetary speed reducer and a speed reduction motor. The planetary speed reducer comprises a planetary wheel frame 2, a fixed ring gear 4, a moving ring gear 5, a coupling plate 6, an output shaft 7, a shell 9, an end cover 8 and an input shaft 11, wherein the planetary wheel frame 2 is fixed on the input shaft 11 and is provided with at least one planetary gear 3; the fixed ring gear 4 is fixed on the end cover 8; the moving ring gear 5 is fixed on the coupling plate 6; the output shaft 7 is fixed on the coupling plate 6; the shell 9 is positioned on the output shaft 7 through a bearing; the end cover 8 is positioned on the input shaft 11 through a bearing; the shell 9 and the end cover 8 are fastened tightly; the fixed ring gear 4 and the input shaft 11 are coaxial; the moving ring gear 5 and the output shaft 7 are coaxial; the fixed ring gear 4 and the moving ring gear 5 are same in size and different in gear quantity; and the fixed ring gear 4 and the moving ring gear 5 are parallel and coaxial, are meshed with at least one planetary gear 3 to form a novel planetary differential transmission mechanism. According to the invention, high-efficiency large speed ratio transmission can be realized, the structure is simple, the cost is low, and the application range is wide.
Description
Technical field
The present invention relates to dynamo-electric field, particularly a kind of novel planetary reducer and reducing motor.
Background technique
Harmonic Gears comprises three primary elements: wave-generator, flexbile gear, firm wheel.Wherein, can fix one arbitrarily in three primary elements, one is that initiatively another be driven in remaining two, can realize slowing down or speedup, also can be transformed into two inputs, an output, composition differential gearing.If two cover harmonic gear drives are combined, when a shared wave-generator and flexbile gear, then two identical in the footpath, the firm wheel of the different numbers of teeth, flexbile gear and wave-generator are formed in four new elements, flexbile gear is as middle driving component, can fix one arbitrarily in its excess-three element, remaining two one is that active, is driven, can realize slowing down or speedup, also can be transformed into two inputs, differential gearing is formed in an output.Because one of them is the few difference of another number of teeth of just having taken turns of gear ratio of wheel just, so when wave-generator rotates a week, under the effect of flexbile gear, just taken turns the pairing angle of dislocation number of teeth difference relatively for two, thereby realized big reduction speed ratio.
The structure of the harmonic speed reducer that typical two firm wheel one flexbile gears are formed as shown in Figure 1.Wherein, decide ring gear 4 and be anchored on the end cap 8, moving ring gear 5 is anchored on the tie-plate 6, and tie-plate 6 is anchored on the output shaft 7, and shell 9 is positioned on the output shaft 7 by bearing, and end cap 8 is positioned on the input shaft 11 by bearing, and shell 9 is fixed together with end cap 8.Cam 13 is installed on the input shaft 11, and the outer snare of cam 13 flexible bearing 14, and the outer ring of flexible bearing 14 is being overlapped flexible gear 12 again.When input shaft 11 is just changeing, the wave-generator of being made up of cam 13 and flexible bearing 14 makes flexible gear 12 do on the surface of deciding ring gear 4, moving ring gear 5 that the wave harmonic wave is engaging-in nibbles out motion, owing to decide the number of teeth difference of ring gear 4, moving ring gear 5, produce differential.When input shaft 11 was just changeing, if move ring gear 5 numbers of teeth more than deciding ring gear 4, then output shaft 7 was just changeing; Otherwise, output shaft 7 counter-rotatings.Wherein, the velocity ratio between output shaft 7 and the input shaft 11 equals the number of teeth of the number of teeth difference of two ring gears divided by moving ring gear 5.
Wherein, Harmonic Gears is multiple tooth engagement, differential gearing, has advantages such as velocity ratio is big, bearing capacity is big, volume is little, in light weight; But the flexible gear of harmonic gear, the difficult processing of cam, especially the flexible bearing manufacture cost of wave-generator is very high, has therefore limited the application of this transmission.
The planetary pinion transmission is a kind of gear drive with rotation axis, can be used for deceleration, speedup.Transmission schematic representation such as Fig. 2 of conventional standard NN type plane table thermoconductivity meter, very similar among its target element and Fig. 1, input shaft 11, planetary pinion 3, output shaft 7 are arranged, decide ring gear 4, move ring gear 5, end cap 8, tie-plate 6.Difference is on the structure: the planetary pinion 3 among Fig. 2 has substituted the flexible gear 12 among Fig. 1; Planetary wheel carrier 2 among Fig. 2 has substituted the cam 13 among Fig. 1; The standard plain bearing of planetary gear bearing 3 has substituted expensive flexible bearing 14 among Fig. 2, and is simple in structure, cost is low.Difference on the parameter is: the velocity ratio of Fig. 1 only depends on the ratio of number of teeth difference with the number of teeth of moving ring gear 5 of two ring gears; And the velocity ratio of Fig. 2 is not only relevant with the two ring gear numbers of teeth, and is also relevant with two gear ratios on the planetary pinion 3.Difference on the performance is: Fig. 1 is multiple tooth contact, and bearing capacity is strong, stable drive, and transmission efficiency is higher; Planetary pinion 3 is a duplicate gear in Fig. 2 structure, and its precision difficulty is accomplished conformity, and rigidity is relatively poor, and noise is bigger during operation, has therefore limited the application of this transmission.
Summary of the invention
The invention provides a kind of novel planetary reducer and reducing motor, can realize high efficiency large speed ratio transmission, and simple in structure, cost is low, Applicable scope is broad.
A kind of novel planetary reducer comprises:
Be fixed on the input shaft 11, and have the planetary wheel carrier 2 of planetary pinion 3; Be fixed on and decide ring gear 4 on the end cap 8, and be fixed on the moving ring gear 5 on the tie-plate 6; Be fixed with an output shaft 7 on the described tie-plate 6; Shell 9 is positioned on the described output shaft 7 by bearing, and described end cap 8 is positioned on the described input shaft 11 by bearing, and described shell 9 and described end cap 8 are fastening;
It is described that to decide ring gear 4 coaxial with described input shaft 11; Described moving ring gear 5 is coaxial with described output shaft 7;
Describedly decide the measure-alike of ring gear 4 and described moving ring gear 5, number of teeth difference; And described to decide ring gear 4 and described moving ring gear 5 coaxial side by side, meshes with at least one planetary pinion 3 jointly, forms a kind of novel planetary differential driving mechanism.
As an optional mode of execution, be provided with bearing between described output shaft 7 and the described input shaft 11, form coaxial kinematic positioning.
As an optional mode of execution, the planetary pinion mandrel 2.2 on the described planetary wheel carrier 2 is positioned with planetary pinion 3 by bearing.
Wherein, described planetary pinion 3 decides ring gear 4 with the different numbers of teeth described simultaneously and described moving ring gear 5 meshes jointly, is equivalent to the flexible gear 12 in the harmonic gear; The bearing in the planetary pinion 3 and the combination of planetary wheel carrier 2 are equivalent to the wave-generator in the harmonic gear.
Wherein, when planetary wheel carrier 2 rotation, drive planetary pinion 3 and decide to do tangentially rolling ring gear 4 and described moving ring gear 5 in the described of two different numbers of teeth, planetary wheel carrier 2 whenever turns around, two ring gears pairing angle of its number of teeth difference that misplaces relatively.
As an optional mode of execution, describedly decide ring gear 4 and described moving ring gear 5 by engineering plastics or the material compression moulding softer than planetary pinion 3.
Wherein, the width of planetary pinion 3 guarantees complete engagement more than or equal to the width sum of deciding ring gear 4 and moving ring gear 5; All planetary pinions 3 all with decide 5 engagements of ring gear 4 and moving ring gear.
A kind of reducing motor comprises:
As an optional mode of execution, be fixed with planetary pinion mandrel 2.2 and planetary pinion bearing post 2.3 on the described planetary wheel carrier 2 in order to locate described planetary pinion 3, the end of described planetary pinion bearing post 2.3 is fixed with planetary pinion supporting disk 2.1, the end of the described planetary pinion mandrel 2.2 of described planetary pinion supporting disk 2.1 supportings.
Wherein, described motor outer rotor 1.1 drives planetary wheel carrier 2 around described output shaft 7 rotations when rotating, star gear mandrel 2.2 rotations of both having detoured of the described planetary pinion 3 of described planetary pinion mandrel 2.2 guiding on the described planetary wheel carrier 2, decide ring gear 4 and moving ring gear 5 and do tangential the rolling with described again, moving ring gear 5 thereby produce differentially with decide ring gear 4, the rotation output movement after the deceleration is passed to output shaft 7 through moving ring gear tie-plate 6.
Another kind of reducing motor comprises:
As an optional mode of execution, be fixed with planetary pinion mandrel 2.2 and planetary pinion bearing post 2.3 on the described planetary wheel carrier 2 in order to locate described planetary pinion 3, the end of described planetary pinion bearing post 2.3 is fixed with planetary pinion supporting disk 2.1, the end of the described planetary pinion mandrel 2.2 of described planetary pinion supporting disk 2.1 supportings.
Wherein, drive described planetary wheel carrier 2 during 1.1 rotations of described motor outer rotor, drive planetary pinion 3 simultaneously and decide ring gear 4 and moving ring gear 5 is done tangential the rolling, moving ring gear 5 thereby with to decide ring gear 4 generations differential around central shaft 7.1 rotations.
Novel planetary reducer provided by the invention is realized high efficiency large speed ratio transmission to be similar to the structure of epicyclic train, to reach the differential gearing effect that is similar to harmonic gear.The reasonable in design of novel planetary reducer provided by the invention, simple, cost is low, good manufacturability, the high Applicable scope broadness of reliability.Reducing motor provided by the invention has compact structure, advantage that bearing capacity is big.
Description of drawings
In order to be illustrated more clearly in the technological scheme among the present invention, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional view of existing a kind of harmonic speed reducer;
Fig. 2 is the transmission schematic representation of existing a kind of standard NN type plane table thermoconductivity meter;
Fig. 3 is the sectional view of a kind of novel planetary reducer provided by the invention;
Fig. 4 is the sectional view of a kind of reducing motor provided by the invention;
Fig. 5 is the transmission schematic representation of deciding internal gear in the reducing motor shown in Figure 4;
Fig. 6 is the transmission schematic representation of the moving internal gear in the reducing motor shown in Figure 4;
Fig. 7 is the sectional view of another kind of reducing motor provided by the invention;
Wherein, 1-motor stator; 1.1-motor outer rotor; The 2-planetary wheel carrier; 2.1-planetary pinion supporting disk; 2.2-planetary pinion mandrel; 2.3-planetary pinion bearing post; The 3-planetary pinion; 4-decides ring gear; 5-moves ring gear; The 6-tie-plate; 6.1-pay tie-plate; The 7-output shaft; 7.1-central shaft; The 8-end cap; The 9-shell; The 10-overrunning clutch; The 11-input shaft; The 12-flexible gear; The 13-cam; The 14-flexible bearing.
Embodiment
Below in conjunction with the accompanying drawing among the present invention, the technological scheme among the present invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who is obtained under the creative work prerequisite.
Embodiment one:
See also Fig. 3, Fig. 3 is the sectional view of a kind of novel planetary reducer provided by the invention.Wherein, novel planetary reducer shown in Figure 3 also can be called imitative harmonic gear planetary reducer.
As described in Figure 3, this novel planetary reducer can comprise: be fixed on the input shaft 11, and have the planetary wheel carrier 2 of planetary pinion 3; Be fixed on and decide ring gear 4 on the end cap 8, and be fixed on the moving ring gear 5 on the tie-plate 6; Be fixed with an output shaft 7 on the described tie-plate 6; Shell 9 is positioned on the described output shaft 7 by bearing, and described end cap 8 is positioned on the described input shaft 11 by bearing, and described shell 9 and described end cap 8 are fastening; It is described that to decide ring gear 4 coaxial with described input shaft 11; Described moving ring gear 5 is coaxial with described output shaft 7; Describedly decide the measure-alike of ring gear 4 and described moving ring gear 5, number of teeth difference; And described to decide ring gear 4 and described moving ring gear 5 coaxial side by side, meshes with at least one planetary pinion 3 jointly, forms a kind of novel planetary differential driving mechanism.
As an optional mode of execution, be provided with bearing between described output shaft 7 and the described input shaft 11, form coaxial kinematic positioning.
As an optional mode of execution, the planetary pinion mandrel 2.2 on the described planetary wheel carrier 2 is positioned with planetary pinion 3 by bearing.
Wherein, described planetary pinion 3 decides ring gear 4 with the different numbers of teeth described simultaneously and described moving ring gear 5 meshes jointly, is equivalent to the flexible gear 12 in the harmonic gear; The bearing in the planetary pinion 3 and the combination of planetary wheel carrier 2 are equivalent to the wave-generator in the harmonic gear.
Wherein, when planetary wheel carrier 2 rotation, drive planetary pinion 3 and decide to do tangentially rolling ring gear 4 and described moving ring gear 5 in the described of two different numbers of teeth, planetary wheel carrier 2 whenever turns around, two ring gears pairing angle of its number of teeth difference that misplaces relatively.
As an optional mode of execution, describedly decide ring gear 4 and described moving ring gear 5 by engineering plastics or the material compression moulding softer than planetary pinion 3.
Wherein, the width of planetary pinion 3 guarantees complete engagement more than or equal to the width sum of deciding ring gear 4 and moving ring gear 5; All planetary pinions 3 all with decide 5 engagements of ring gear 4 and moving ring gear.
Comparison with prior art, substituted the cam 13 among Fig. 1, planetary pinion mandrel 2.2 and axle and go up the conventional bearing of cover and substituted the flexible bearing 14 among Fig. 1 except planetary pinion 3 has substituted the flexible gear 12 among Fig. 1, planetary wheel carrier 2 among Fig. 3, all the other structures and Fig. 1 are identical, and its deceleration effect is also similar substantially.
Wherein, the principle of novel planetary reducer shown in Figure 3 is with the rolling engagement of planetary gear set with the ring gear of the two different numbers of teeth, substituted harmonic gear and two ring gears among Fig. 1 under the wave-generator effect engaging-in, nibble out, the two has equally all played and has made two ring gears under input shaft 11 effect of rotatablely moving, produce differential purpose, reach same transmission result, therefore also can be referred to as imitative harmonic speed reducer.
Wherein, novel planetary reducer shown in Figure 3 compared to Figure 1, if it is identical to decide the number of teeth of ring gear 4, moving ring gear 5, then its velocity ratio and transmission direction are also identical, the number of teeth of velocity ratio and planetary pinion 3 has nothing to do.The number of teeth of planetary pinion 3 only influences the contact ratio with two ring gears, and its precision has much relations to transmission efficiency and noise, and its tooth face hardness directly influences working life.
In axle in the sliding bearing of routine and the relation of axle sleeve, spool select hard material usually for use, and axle sleeve is selected softer material for use.Equally, in novel planetary pinion shown in Figure 3, planetary pinion 3 can require to select for use harder material, machining accuracy is higher, and two ring gears (promptly deciding ring gear 4, moving ring gear 5) can be selected softer material for use, and it is a little that the end can fall in machining accuracy relatively, after break-in, can increase substantially transmission efficiency, reduce noise.
Compare with NN type plane table thermoconductivity meter shown in Figure 2, novel planetary reducer shown in Figure 3 has made planetary pinion into single gear by duplicate gear, under the same cost condition, the accuracy of gear can significantly improve, and the strength of gear teeth, durability, bearing capacity can both significantly be strengthened; Two ring gears (promptly deciding ring gear 4, moving ring gear 5) are selected the modified gear of the different numbers of teeth of same size for use, and location, the installation of coordinating gear ring for the speed reducer inside dimension bring convenience, and also can adjust velocity ratio and transmission direction by changing two ring gears.Therefore novel planetary reducer shown in Figure 3 is littler than the volume of NN type plane table thermoconductivity meter shown in Figure 2, efficient is high, noise is low, good manufacturability, life-span are long.
As seen, novel planetary reducer provided by the invention is realized high efficiency large speed ratio transmission to be similar to the structure of epicyclic train, to reach the differential gearing effect that is similar to harmonic gear.The reasonable in design of novel planetary reducer provided by the invention, simple, cost is low, good manufacturability, the high Applicable scope broadness of reliability.
Embodiment two:
See also Fig. 4, Fig. 4 is the sectional view of a kind of reducing motor provided by the invention.Wherein, reducing motor shown in Figure 4 also can be called imitative harmonic gear planetary reduction gear motor.
In reducing motor shown in Figure 4, motor stator 1 is fixed on the end cap 8, and described end cap 8 is fastened with shell 9; Described shell 9 tightens the intrinsic ring gear 4 of deciding, and moving ring gear 5 is fixed on the tie-plate 6, is fixed with an output shaft 7 on the described tie-plate 6; Be fixed with planetary wheel carrier 2 on the motor outer rotor 1.1, have planetary pinion 3 on the described planetary wheel carrier 2; Described motor stator 1 and described planetary wheel carrier 2 are positioned on the described output shaft 7 by bearing respectively; Describedly decide the measure-alike of ring gear 4 and described moving ring gear 5, number of teeth difference; Described to decide ring gear 4 and described moving ring gear 5 coaxial side by side, and mesh with at least one planetary pinion 3 jointly.
As an optional mode of execution, be fixed with planetary pinion mandrel 2.2 and planetary pinion bearing post 2.3 on the described planetary wheel carrier 2 in order to locate described planetary pinion 3, the end of described planetary pinion bearing post 2.3 is fixed with planetary pinion supporting disk 2.1, the end of the described planetary pinion mandrel 2.2 of described planetary pinion supporting disk 2.1 supportings.
Wherein, described motor outer rotor 1.1 drives planetary wheel carrier 2 around described output shaft 7 rotations when rotating, star gear mandrel 2.2 rotations of both having detoured of the described planetary pinion 3 of described planetary pinion mandrel 2.2 guiding on the described planetary wheel carrier 2, decide ring gear 4 and moving ring gear 5 and do tangential the rolling with described again, moving ring gear 5 thereby produce differentially with decide ring gear 4, the rotation output movement after the deceleration is passed to output shaft 7 through moving ring gear tie-plate 6.
Wherein, Fig. 5 is the transmission schematic representation of deciding internal gear in the reducing motor shown in Figure 4; Fig. 6 is the transmission schematic representation of the moving internal gear in the reducing motor shown in Figure 4.
Wherein, the planetary wheel carrier 2 of reducing motor shown in Figure 4 and motor outer rotor 1.1 shared cover bearings are directly installed on the output shaft 7, and structure is simple especially, compact; That mechanical part and motor are partly separated is clear, be independent of each other.Reducing motor provided by the invention has compact structure, advantage that bearing capacity is big.
Embodiment 3:
See also Fig. 7, Fig. 7 is the sectional view of another kind of reducing motor provided by the invention.Wherein, reducing motor shown in Figure 7 also can be called the imitative harmonic gear planetary reduction gear wheel hub motor of electric motor car.
In reducing motor shown in Figure 7, comprise shell 9, lock at end cap 8 and motor stator 1, motor outer rotor 1.1 and the central shaft 7.1 at described shell 9 two ends; Described motor stator 1 is fixed on the described central shaft 7.1, is fixed with planetary wheel carrier 2 on the described motor outer rotor 1.1, and the planetary wheel carrier 2 that has planetary pinion 3 is positioned on the described central shaft 7.1 by bearing; Described shell 9 tightens the intrinsic ring gear 4 of deciding, and moving ring gear 5 is fixed on the tie-plate 6, and described tie-plate 6 inner rings are arranged with a pair tie-plate 6.1 that is fixed on the central shaft 7.1, and a described tie-plate 6 and pair 6.1 of tie-plates are pivoted with overrunning clutch 10; Describedly decide the measure-alike of ring gear 4 and described moving ring gear 5, number of teeth difference; Described to decide ring gear 4 and described moving ring gear 5 coaxial side by side, and mesh with at least one planetary pinion 3 jointly.
As an optional mode of execution, be fixed with planetary pinion mandrel 2.2 and planetary pinion bearing post 2.3 on the described planetary wheel carrier 2 in order to locate described planetary pinion 3, the end of described planetary pinion bearing post 2.3 is fixed with planetary pinion supporting disk 2.1, the end of the described planetary pinion mandrel 2.2 of described planetary pinion supporting disk 2.1 supportings.
Wherein, during work, drive described planetary wheel carrier 2 during 1.1 rotations of described motor outer rotor, drive planetary pinion 3 simultaneously and decide ring gear 4 and moving ring gear 5 is done tangential the rolling, moving ring gear 5 thereby with to decide ring gear 4 generations differential around central shaft 7.1 rotations.At this moment, moving ring gear 5 coupled dishes 6 and central shaft 7.1 pin, and decide ring gear 4 and promptly drive shell 9 rotations; Pair tie-plate 6.1 and overrunning clutch 10 that the present invention increases cooperate with tie-plate 6, can realize the car-backing function of electric motor car.
Motor adopts outer-rotor structure efficient height in the present embodiment, consumption copper is few, specific power is big, low speed torque is big, and is easy with the speed reducer connecting structure.The speed reducer part, planetary pinion metallic sintered products, ring gear working of plastics, good manufacturability.A plurality of planetary pinions and ring gear mesh simultaneously, and bearing capacity is big, overload capacity is strong, and differential gearing makes each planetary pinion load equalization, and comparative lifetime is longer.Overrunning clutch 10 is contained near the right end cap, and central shaft 7.1 adopts the optical axis structure, and installation, maintenance is convenient.
Compare with other planetary reduction gear wheel hub motor, reducing motor shown in Figure 7 has that single-stage deceleration multiple is big, volume is little, compact structure, bearing capacity are big, in light weight, life-span length, good manufacturability, low, the reliability advantages of higher of cost.Rationally improve the planetary pinion machining accuracy, after ring gear is selected suitable engineering plastics for use, also can accomplish the effect that noise is not high.
Claims (13)
1. a novel planetary reducer is characterized in that, comprising:
Be fixed on the input shaft (11), and have the planetary wheel carrier (2) of planetary pinion (3); Be fixed on and decide ring gear (4) on the end cap (8), and be fixed on the moving ring gear (5) on the tie-plate (6); Be fixed with an output shaft (7) on the described tie-plate (6); Shell (9) is positioned on the described output shaft (7) by bearing, and described end cap (8) is positioned on the described input shaft (11) by bearing, and described shell (9) is fastening with described end cap (8);
It is described that to decide ring gear (4) coaxial with described input shaft (11); Described moving ring gear (5) is coaxial with described output shaft (7);
Describedly decide the measure-alike of ring gear (4) and described moving ring gear (5), number of teeth difference; And described to decide ring gear (4) and described moving ring gear (5) coaxial side by side, meshes with at least one planetary pinion (3) jointly, forms a kind of novel planetary differential driving mechanism.
2. novel planetary reducer according to claim 1 is characterized in that, is provided with bearing between described output shaft (7) and the described input shaft (11), forms coaxial kinematic positioning.
3. novel planetary reducer according to claim 1 is characterized in that, the planetary pinion mandrel (2.2) on the described planetary wheel carrier (2) is positioned with planetary pinion (3) by bearing.
4. novel planetary reducer according to claim 1 is characterized in that, described planetary pinion (3) simultaneously decide ring gear (4) with the different numbers of teeth described and described moving ring gear (5) meshes jointly, is equivalent to the flexible gear (12) in the harmonic gear; The bearing in the planetary pinion (3) and the combination of planetary wheel carrier (2) are equivalent to the wave-generator in the harmonic gear.
5. novel planetary reducer according to claim 1, it is characterized in that, when planetary wheel carrier (2) rotates, driving planetary pinion (3) decides to do in ring gear (4) and the described moving ring gear (5) tangentially to roll the described of two different numbers of teeth, planetary wheel carrier (2) whenever turns around, two ring gears pairing angle of its number of teeth difference that misplaces relatively.
6. novel planetary reducer according to claim 1 is characterized in that, describedly decides ring gear (4) and described moving ring gear (5) by engineering plastics or the material compression moulding softer than planetary pinion (3).
7. according to any described novel planetary reducer of claim 1～6, it is characterized in that the width of planetary pinion (3) guarantees complete engagement more than or equal to the width sum of deciding ring gear (4) and moving ring gear (5); All planetary pinions (3) all with decide ring gear (4) and moving ring gear (5) engagement.
8. a reducing motor is characterized in that, comprising:
Motor stator (1) is fixed on the end cap (8), and described end cap (8) is fastened with shell (9); Described shell (9) tightens the intrinsic ring gear (4) of deciding, and moving ring gear (5) is fixed on the tie-plate (6), is fixed with an output shaft (7) on the described tie-plate (6); Be fixed with planetary wheel carrier (2) on the motor outer rotor (1.1), have planetary pinion (3) on the described planetary wheel carrier (2); Described motor stator (1) and described planetary wheel carrier (2) are positioned on the described output shaft (7) by bearing respectively; Describedly decide the measure-alike of ring gear (4) and described moving ring gear (5), number of teeth difference; Described to decide ring gear (4) and described moving ring gear (5) coaxial side by side, and mesh with at least one planetary pinion (3) jointly.
9. reducing motor according to claim 8 is characterized in that,
Be fixed with planetary pinion mandrel (2.2) and planetary pinion bearing post (2.3) on the described planetary wheel carrier (2) in order to locate described planetary pinion (3), the end of described planetary pinion bearing post (2.3) is fixed with planetary pinion supporting disk (2.1), the end of described planetary pinion supporting disk (2.1) the described planetary pinion mandrel of supporting (2.2).
10. reducing motor according to claim 9 is characterized in that,
Driving planetary wheel carrier (2) during described motor outer rotor (1.1) rotation rotates around described output shaft (7), described planetary pinion mandrel (2.2) on the described planetary wheel carrier (2) guides described planetary pinion (3) star gear mandrel (2.2) rotation of detouring, decide ring gear (4) and moving ring gear (5) and do tangentially to roll with described again, moving ring gear (5) thereby produce differentially with decide ring gear (4), the rotation output movement after the deceleration is passed to output shaft (7) through moving ring gear tie-plate (6).
11. a reducing motor is characterized in that, comprising:
Shell (9), locking are at end cap (8) and motor stator (1), motor outer rotor (1.1) and the central shaft (7.1) at described shell (9) two ends; Described motor stator (1) is fixed on the described central shaft (7.1), is fixed with planetary wheel carrier (2) on the described motor outer rotor (1.1), and the planetary wheel carrier (2) that has planetary pinion (3) is positioned on the described central shaft (7.1) by bearing; Described shell (9) tightens the intrinsic ring gear (4) of deciding, moving ring gear (5) is fixed on the tie-plate (6), described tie-plate (6) inner ring is arranged with a pair tie-plate (6.1) that is fixed on the central shaft (7.1), is pivoted with overrunning clutch (10) between described tie-plate (6) and pair tie-plate (6.1); Describedly decide the measure-alike of ring gear (4) and described moving ring gear (5), number of teeth difference; Described to decide ring gear (4) and described moving ring gear (5) coaxial side by side, and mesh with at least one planetary pinion (3) jointly.
12. reducing motor according to claim 11 is characterized in that,
Be fixed with planetary pinion mandrel (2.2) and planetary pinion bearing post (2.3) on the described planetary wheel carrier (2) in order to locate described planetary pinion (3), the end of described planetary pinion bearing post (2.3) is fixed with planetary pinion supporting disk (2.1), the end of described planetary pinion supporting disk (2.1) the described planetary pinion mandrel of supporting (2.2).
13. according to claim 11 or 12 described reducing motors, it is characterized in that,
Driving described planetary wheel carrier (2) during described motor outer rotor (1.1) rotation rotates around central shaft (7.1), drive planetary pinion (3) simultaneously and decide ring gear (4) and moving ring gear (5) and do tangentially to roll, move ring gear (5) thereby with to decide ring gear (4) generation differential.
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| CN2011101383680A CN102226463A (en) | 2011-05-25 | 2011-05-25 | Novel speed reducer and speed reduction motor |
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| CN2011101383680A CN102226463A (en) | 2011-05-25 | 2011-05-25 | Novel speed reducer and speed reduction motor |
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| CN109372952A (en) * | 2018-12-13 | 2019-02-22 | 浙江双环传动机械股份有限公司 | A kind of compact cycloid in planet harmonic wave speed change gear and its method for changing speed |
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| CN112728019A (en) * | 2021-01-13 | 2021-04-30 | 深圳市恒驱电机股份有限公司 | Motor with built-in gear difference planetary gear box |
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| CN114704620A (en) * | 2022-03-29 | 2022-07-05 | 江苏摩多利传动机械制造有限公司 | Planetary reducer disconnect-type output shaft planet wheel holder |
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| CN103956857A (en) * | 2014-05-29 | 2014-07-30 | 西华大学 | External rotor motor reducer used for washing machine |
| CN105508517A (en) * | 2014-09-22 | 2016-04-20 | 张鲁 | Novel high-power herringbone gear compound planetary transmission speed reducer |
| CN104309473A (en) * | 2014-10-08 | 2015-01-28 | 上海中科深江电动车辆有限公司 | Planet speed reducer assembly for electric vehicle and electric vehicle |
| CN105620259A (en) * | 2014-11-24 | 2016-06-01 | 舍弗勒技术有限两合公司 | Electric axis driving system with speed change function and motor vehicle |
| CN105134918A (en) * | 2015-06-09 | 2015-12-09 | 孙美娜 | Deep groove ball bearings of integrated planet wheel reduction gear |
| US10670143B2 (en) | 2015-09-29 | 2020-06-02 | Gang Liu | Motor |
| WO2017054743A1 (en) * | 2015-09-29 | 2017-04-06 | 刘刚 | Motor |
| CN108141102A (en) * | 2015-09-29 | 2018-06-08 | 刘刚 | A kind of motor |
| CN108141102B (en) * | 2015-09-29 | 2020-02-21 | 刘刚 | Electric machine |
| CN105351460A (en) * | 2015-12-11 | 2016-02-24 | 梁志光 | Differential planet gear transmission |
| CN105952849B (en) * | 2016-07-06 | 2018-12-11 | 沈阳工业大学 | A kind of planet optimization speed reducer |
| CN105952849A (en) * | 2016-07-06 | 2016-09-21 | 沈阳工业大学 | Planetary optimization reducer |
| CN106122384A (en) * | 2016-08-02 | 2016-11-16 | 无锡艾尔特线性运动机械有限公司 | Double reduction device |
| CN106881375A (en) * | 2017-02-22 | 2017-06-23 | 郭斌 | A kind of steel cord Winder |
| CN107939919A (en) * | 2017-12-15 | 2018-04-20 | 变厚机器人关节技术(上海)有限公司 | A kind of thickening joint of robot drive mechanism |
| CN108247673A (en) * | 2018-03-23 | 2018-07-06 | 深圳市东方伺服数控技术有限公司 | A kind of integral joint |
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| CN108458059A (en) * | 2018-04-20 | 2018-08-28 | 吴永德 | Novel planetary reduction gear |
| CN108468760A (en) * | 2018-06-04 | 2018-08-31 | 昆山汉升达传动科技有限公司 | Internal tooth flexbile gear speed reducer |
| CN108591373A (en) * | 2018-07-04 | 2018-09-28 | 嘉兴高维智控有限公司 | A kind of integration packaging planetary rotation joint structure |
| CN108612811A (en) * | 2018-07-04 | 2018-10-02 | 浙江银轮机械股份有限公司 | A kind of two-stage gear reduction |
| CN108591373B (en) * | 2018-07-04 | 2024-02-09 | 苏州伸之助科技服务有限公司 | Integrated encapsulation planet rotary joint structure |
| CN109372952A (en) * | 2018-12-13 | 2019-02-22 | 浙江双环传动机械股份有限公司 | A kind of compact cycloid in planet harmonic wave speed change gear and its method for changing speed |
| CN111336220A (en) * | 2020-04-02 | 2020-06-26 | 李上柱 | Planetary gear type combined transmission machine |
| CN112728019A (en) * | 2021-01-13 | 2021-04-30 | 深圳市恒驱电机股份有限公司 | Motor with built-in gear difference planetary gear box |
| CN112728020A (en) * | 2021-01-15 | 2021-04-30 | 深圳市恒驱电机股份有限公司 | Motor with novel tooth difference planet wheel gear box |
| CN113738829A (en) * | 2021-09-28 | 2021-12-03 | 江苏省金象传动设备股份有限公司 | Double-internal-tooth large-speed-ratio planetary transmission device |
| CN114233816A (en) * | 2021-11-12 | 2022-03-25 | 北京航空航天大学 | Mechanical motion rectifier based on planetary gear train |
| CN114017486A (en) * | 2021-11-25 | 2022-02-08 | 江苏科技大学 | Robot joint multi-transmission-ratio transmission device |
| CN114704620A (en) * | 2022-03-29 | 2022-07-05 | 江苏摩多利传动机械制造有限公司 | Planetary reducer disconnect-type output shaft planet wheel holder |
| WO2023221743A1 (en) * | 2022-05-17 | 2023-11-23 | 郑如骏 | Differential gear speed reducer having wide selection range of speed ratio and having simple structure |
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Application publication date: 20111026 |