CN103089962B - Planet difference speed change mechanism - Google Patents
Planet difference speed change mechanism Download PDFInfo
- Publication number
- CN103089962B CN103089962B CN201310023270.XA CN201310023270A CN103089962B CN 103089962 B CN103089962 B CN 103089962B CN 201310023270 A CN201310023270 A CN 201310023270A CN 103089962 B CN103089962 B CN 103089962B
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- Prior art keywords
- gear
- output shaft
- wheel
- toothholder
- power
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Abstract
A planet difference speed change mechanism is mainly composed of an input shaft (1), a duplicate gear (2), a sun wheel (3), a planet frame (4) and the like. The duplicate gear (2) is sleeved on the input shaft (1) and meshed with a driven gear (14), the driven gear (14) is fixed on a left output shaft (15), the sun wheel (3) is fixed on the input shaft (1), a planet wheel (12) is installed on the planet frame (4) and simultaneously meshed with the sun wheel (3) and an inner tooth ring (13), an annular groove capable of sliding left and right is processed on the inner tooth ring (13), the planet frame (4) is fixed on a right output shaft (7), a driving gear (6) is fixed on the right output shaft (7) and meshed with a third wheel (8), the third wheel (7) is meshed with an empty sleeve gear (9), the empty sleeve gear (9) is sleeved on the left output shaft (15), a tooth seat (11) is fixed on the left output shaft (15), and a slide tooth sleeve (10) can slide left and right on the tooth seat (11) to enable the left output shaft (15) and the empty sleeve gear (9) to be separated and combined.
Description
Technical field
The present invention relates to a kind of difference speed-change mechanism, especially for a kind of planet difference speed-change mechanism.
Background technology
At present, in society, the differential mechanism used by walking machine is bevel differential, and this body function is single, and it is poor only to rise
Speed effect, does not have speed changing function.And this differential mechanism can only be averagely as two output shafts distribution moments of torsion it is impossible to defeated according to two
Torque proportional assignment moment of torsion needed for shaft.
Content of the invention
The purpose of the present invention is exactly to overcome above deficiency, and it is mainly by input shaft 1, duplicate gear 2, sun gear 3, planet carrier
4th, fixing toothholder 5, driving gear 6, right output shaft 7, third wheel 8, free gear 9, sliding gear collar 10, toothholder 11, planetary gear 12, interior
Gear ring 13, driven gear 14, left output shaft 15 etc. form.Wherein duplicate gear 2 empty set on input shaft 1, energy on input shaft 1
Enough rotate freely and engage with driven pulley 14, driven gear 14 is fixed on left output shaft 15, drive left output shaft 15 to rotate, too
Sun wheel 3 is then fixed on input shaft 1, rotates together with input shaft 1, and planetary gear 12 is installed in planet carrier 4, it simultaneously with the sun
Wheel 3 and ring gear nibble 13 conjunctions, ring gear 13 is machined with cannelure and can horizontally slip, to the left with planetary gear 12 and duplex-gear
Wheel 2 is simultaneously engaged, centre is simultaneously engaged, is nibbled with fixing toothholder 5 and planetary gear 12 to the right simultaneously with planet carrier 4 and planetary gear 12
Close, now the soldered tooth on planet carrier 4 is placed exactly at the cannelure of ring gear 13, and planet carrier 4 is fixed on right output shaft 7,
Drive right output shaft 7 to rotate, driving gear 6 is fixed on right output shaft 7 and is engaged with third wheel 8, third wheel 8 simultaneously with free gear
9 engagements, free gear 9 empty set, on left output shaft 15, can rotate freely on left output shaft 15, and toothholder 11 is fixed on left defeated
On shaft 15, sliding gear collar 10 can horizontally slip on toothholder 11, thus realizing the disconnection of left output shaft 15 and free gear 9
With combination.
The positive effect of the present invention:The present invention is especially suitable for the tractor of four-wheel drive, automobile, loader, excavator
Deng motor vehicles, gearing and engineering machinery, it can be according to the size of the diameter of in front and back's driving wheel and adhesive force, reasonably
The moment of torsion of before and after's drive axle is passed in distribution, efficiently solves during operation because of the size of the diameter of in front and back's driving wheel and adhesive force
The problem that the driving wheel that difference causes skids.Realize this mechanism in differential and change by changing the bonding station of ring gear 13 simultaneously
Switching between speed, again can realize this mechanism in 4 wheel driven and two drives by the bonding station of change sliding gear collar 10 under high speed
Between switching, operation or heavy load when walk under 4 wheel driven, lower-speed state, non-operation or light hours drive two, fast state
Lower walking, had both saved the energy, it also avoid long-term walking under 4 wheel driven state under non-operation or light load conditions and causes machinery
Abrasion with tire.
Brief description
The present invention will combine embodiment in accompanying drawing and be described further:
Fig. 1 is structural representation under differential state for the difference speed-change mechanism of the present invention.
Fig. 2 is structural representation under middling speed state for the difference speed-change mechanism of the present invention.
Fig. 3 is difference speed-change mechanism of the present invention structural representation at high speeds.
Fig. 4 only has structural representation when differential and middling speed for difference speed-change mechanism of the present invention.
Fig. 5 only has structural representation when differential and high speed for difference speed-change mechanism of the present invention.
Fig. 6 only has structural representation when middling speed and high speed for difference speed-change mechanism of the present invention.
Fig. 7 installs structural representation during freewheel clutch for difference speed-change mechanism of the present invention.
Fig. 8 is that difference speed-change mechanism of the present invention is connected to structural representation during one with drive axle.
Fig. 9 crosses by structural representation when being arranged on power output shaft for difference speed-change mechanism of the present invention.
Parts and components code name and title in accompanying drawing:
1. input shaft 2. duplicate gear 3. sun gear 4. planet carrier 5. fixes toothholder
6. driving gear 7. right output shaft 8. third wheel, 9. free gear 10. sliding gear collar
The left output shaft of 11. toothholder, 12. planetary gear, 13. ring gear, 14. driven gear 15.
16. freewheel clutch, 17. power output shaft, 18. power toothholder 19. power sliding gear collar
Specific embodiment
The present invention is mainly by input shaft 1, duplicate gear 2, sun gear 3, planet carrier 4, fixing toothholder 5, driving gear 6, the right side
Output shaft 7, third wheel 8, free gear 9, sliding gear collar 10, toothholder 11, planetary gear 12, ring gear 13, driven gear 14, left output
Axle 15 grade forms, and specific embodiment is as follows:
1st, duplicate gear 2 empty set, on input shaft 1, can rotate freely on input shaft 1 and engage with driven pulley 14, from
Moving gear 14 is fixed on left output shaft 15, drives left output shaft 15 to rotate, sun gear 3 is then fixed on input shaft 1, with input
Axle 1 rotates together with, and planetary gear 12 is installed in planet carrier 4, and it is engaged with sun gear 3 and ring gear 13 simultaneously, on ring gear 13
Be machined with cannelure and horizontally slip, be simultaneously engaged with planetary gear 12 and duplicate gear 2 to the left, centre position and planet carrier 4 and
Planetary gear 12 is simultaneously engaged, be simultaneously engaged with fixing toothholder 5 and planetary gear 12 to the right, now with planet carrier 4 on soldered tooth just
It is located at well at the cannelure of ring gear 13, planet carrier 4 is fixed on right output shaft 7, drive right output shaft 7 to rotate, driving gear 6
It is fixed on right output shaft 7 and engages with third wheel 8, third wheel 8 is engaged with free gear 9 simultaneously, free gear 9 empty set is in left output
On axle 15, left output shaft 15 can rotate freely, toothholder 11 is fixed on left output shaft 15, and sliding gear collar 10 is in toothholder 11
On can horizontally slip, when to the left, left output shaft 15 and free gear 9 disconnect, and when to the right, left output shaft 15 and free gear 9 are tied
Close.
2nd, be combined with duplicate gear 2 when ring gear 13 slides to the left, sliding gear collar 10 is slided to the left and separated with free gear 9
When, the power through input shaft 1 input is decomposed into two parts in the presence of planetary mechanism, and a part drives right defeated through planet carrier 4
Shaft 7 works, and another part drives left output shaft 15 to work through ring gear 13, duplicate gear 2 and driven gear 14, and a left side is pressed by mechanism
Right two ends need to be randomly assigned to export power, and this mechanism works under 4 wheel driven, differential state, speed also minimum (referring to Fig. 1);When
Sliding gear collar 10 is slided to the right when being engaged with free gear 9, and mechanism is dynamic by the fixed speed ratio being pre-designed two ends output to the left and right
Power, this mechanism works under 4 wheel driven, non-differential and lower-speed state.
3rd, engage with fixing toothholder 5 when ring gear 13 slides to the right (now with planet carrier 4 on soldered tooth be placed exactly in
At the cannelure of gear ring 13), sliding gear collar 10 is slided when being separated with free gear 9 to the left, and the power through input shaft 1 input is through row
Star mechanism slow down after drive right output shaft 7 to work by planet carrier 4, mechanism not to the left output shaft output power, this mechanism two drive,
Work under middling speed state (referring to Fig. 2);When sliding gear collar 10 is slided to the right and engaged with free gear 9, mechanism is by being pre-designed
The fixed speed ratio power of two ends output to the left and right, this mechanism works under 4 wheel driven, non-differential and middling speed state.
4th, engage with gear ring support 4 when ring gear 13 is centrally located, sliding gear collar 10 slides and free gear 9 to the left
When separating, planetary mechanism is locked, and the power through input shaft 1 input directly drives right output shaft 7 to work via planet carrier 4, mechanism
The not output power of output shaft distribution to the left, this mechanism works under two drives, fast state;When sliding gear collar 10 slides to the right and sky
When sleeve gear 9 engages, by the fixed speed ratio the being pre-designed power of two ends output to the left and right, this mechanism is in 4 wheel driven, non-differential for mechanism
With work (referring to Fig. 3) under fast state.
5th, according to cost and different job requirements, this mechanism can only retain differential and middling speed state, differential and high speed
State or middling speed and fast state:When only retaining differential and middling speed state, planet carrier 4 cancels soldered tooth, ring gear 13 simultaneously
Also cancel cannelure (referring to Fig. 4);When only retaining differential and fast state, cancel fixing toothholder 5, ring gear 13 also takes simultaneously
Disappear cannelure (referring to Fig. 5);When only retaining middling speed and fast state, cancel duplicate gear 2 and driven gear 14, fixing toothholder
5 are fixed on left side, and ring gear 13 also cancels cannelure (referring to Fig. 6) simultaneously.
6th, in order to mitigate the heavy wear of front and back wheel under 4 wheel driven non-differential state, driving gear 6 and right output shaft 7 it
Between freewheel clutch 16 (referring to Fig. 7) can also be installed, design gear ratio when it is intended that the actuating speed of rear drive sprocket is slightly higher
In the actuating speed of front driving wheel, so in the presence of freewheel clutch 16, during normally travel front driving wheel be in all the time from
Dynamic state, only after a certain degree of trackslipping in rear drive sprocket, front driving wheel just plays driving effect.
When the 7th, using as needed, this mechanism can be separated with drive axle it is also possible to be linked together with drive axle, when this
When mechanism and drive axle link together, right output shaft 7 can also with the drive bevel gear of drive axle make integral (referring to figure
8).
8th, when this mechanism is used for the motor vehicles with power output shaft such as tractor, multifunctional chassis or multi-purpose vehicle(MPV)
When, third wheel 8 can increase soldered tooth, and empty set, on power output shaft 17, is now also provided with power teeth on power output shaft 17
Seat 18 and power sliding gear collar 19, power sliding gear collar 19 can move left and right on power toothholder 18, move to right with third wheel 8 on
Engage indented joint, move to left and disconnect with third wheel 8.So in the case of the disengagement of anterior power output gear, move to right power slide teeth
Set 19 so as to and third wheel 8 joint indented joint, you can obtain with speed change and change power output shaft speed, further
Extend the range of speeds (referring to Fig. 9) of power output shaft.
Claims (10)
1. a kind of planet difference speed-change mechanism, mainly by input shaft (1), duplicate gear (2), sun gear (3), planet carrier (4), fixation
Toothholder (5), driving gear (6), right output shaft (7), third wheel (8), free gear (9), sliding gear collar (10), toothholder (11), OK
Star-wheel (12), ring gear (13), driven gear (14), left output shaft (15) composition, specific embodiment is as follows:Duplicate gear
(2) empty set, on input shaft (1), can rotate freely on input shaft (1) and engage with driven gear (14), driven gear
(14) it is fixed on left output shaft (15), drives left output shaft (15) rotation, sun gear (3) is then fixed on input shaft (1), with
Input shaft (1) rotates together with, and planetary gear (12) is installed in planet carrier (4), and it is nibbled with sun gear (3) and ring gear (13) simultaneously
Close, ring gear (13) is machined with cannelure and can horizontally slip, nibble with planetary gear (12) and duplicate gear (2) to the left simultaneously
Close, centre position and planet carrier (4) and planetary gear (12) are simultaneously engaged, to the right with fixation toothholder (5) and planetary gear (12) simultaneously
Engagement, now the soldered tooth on planet carrier (4) is placed exactly at the cannelure of ring gear (13), and planet carrier (4) is fixed on right defeated
On shaft (7), drive right output shaft (7) rotation, driving gear (6) is fixed on right output shaft (7) above and is engaged with third wheel (8),
Third wheel (8) is engaged with free gear (9) simultaneously, free gear (9) empty set on left output shaft (15), on left output shaft (15)
Can rotate freely, toothholder (11) is fixed on left output shaft (15), sliding gear collar (10) can be slided left and right on toothholder (11)
Dynamic, when to the left, left output shaft (15) and free gear (9) disconnect, and when to the right, left output shaft (15) and free gear (9) combine;When
Ring gear (13) is slided to the left and is combined with duplicate gear (2), and sliding gear collar (10) is slided when being separated with free gear (9) to the left,
Mechanism works under 4 wheel driven, differential and lower-speed state, when sliding gear collar (10) is slided to the right and is engaged with free gear (9), machine
Structure works under 4 wheel driven, non-differential and lower-speed state;Engage with fixing toothholder (5) when ring gear (13) slides to the right, slide teeth
Set (10) slides when separating with free gear (9) to the left, and mechanism works under two drives, middling speed state, when sliding gear collar (10) to
When right slip is engaged with free gear (9), mechanism works under 4 wheel driven, non-differential and middling speed state;When ring gear (13) is located at
Centre position is engaged with planet carrier (4), and sliding gear collar (10) is slided when being separated with free gear (9) to the left, and mechanism is in two drives, height
Work under fast state, when sliding gear collar (10) is slided to the right and engaged with free gear (9), mechanism is in 4 wheel driven, non-differential and height
Work under fast state.
2. according to claim 1 planet difference speed-change mechanism it is characterised in that:Interchangeable, mechanism only retain differential and in
Fast state, planet carrier (4) cancels soldered tooth, and ring gear (13) also cancels cannelure simultaneously.
3. according to claim 1 planet difference speed-change mechanism it is characterised in that:Interchangeable, mechanism only retains differential and height
Fast state, cancels fixing toothholder (5), and ring gear (13) also cancels cannelure simultaneously.
4. according to claim 1 planet difference speed-change mechanism it is characterised in that:Interchangeable, mechanism only retains middling speed and height
Fast state, cancels duplicate gear (2) and driven gear (14), and fixing toothholder (5) is fixed on left side, and ring gear (13) also takes simultaneously
Disappear cannelure.
5. according to claim 1-4 any one described planet difference speed-change mechanism it is characterised in that:Driving gear (6) and right output
Freewheel clutch (16) is installed between axle (7).
6. according to claim 1-4 any one described planet difference speed-change mechanism it is characterised in that:This mechanism and drive axle are connected to
Together, the drive bevel gear making of right output shaft (7) and drive axle is integral.
7. according to claim 1-4 any one described planet difference speed-change mechanism it is characterised in that:Third wheel (8) increases soldered tooth, empty
It is enclosed within power output shaft (17), power output shaft (17) is provided with power toothholder (18) and power sliding gear collar (19), move
Power sliding gear collar (19) can move left and right on power toothholder (18), move to right with third wheel (8) on joint indented joint, move to left with
Third wheel (8) disconnects.
8. according to claim 1-4 any one described planet difference speed-change mechanism it is characterised in that:This mechanism and drive axle are connected to
Together, the drive bevel gear of right output shaft (7) and drive axle makes integral, peace between driving gear (6) and right output shaft (7)
Equipped with freewheel clutch (16).
9. according to claim 1-4 any one described planet difference speed-change mechanism it is characterised in that:Driving gear (6) and right output
Freewheel clutch (16) is installed between axle (7), third wheel (8) increases soldered tooth, and, on power output shaft (17), power is defeated for empty set
Power toothholder (18) and power sliding gear collar (19) are provided with shaft (17), power sliding gear collar (19) is in power toothholder (18)
On can move left and right, move to right with third wheel (8) on joint indented joint, move to left with third wheel (8) disconnect.
10. according to claim 9 planet difference speed-change mechanism it is characterised in that:This mechanism and drive axle link together, right
The drive bevel gear of output shaft (7) and drive axle makes integral.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310023270.XA CN103089962B (en) | 2013-01-07 | 2013-01-07 | Planet difference speed change mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310023270.XA CN103089962B (en) | 2013-01-07 | 2013-01-07 | Planet difference speed change mechanism |
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CN103089962A CN103089962A (en) | 2013-05-08 |
CN103089962B true CN103089962B (en) | 2017-02-08 |
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CN201310023270.XA Expired - Fee Related CN103089962B (en) | 2013-01-07 | 2013-01-07 | Planet difference speed change mechanism |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104088979B (en) * | 2014-07-25 | 2015-03-25 | 湖南农业大学 | Planetary gear type inter-axle differential for four-wheel drive automobile |
CN106567919A (en) * | 2015-10-06 | 2017-04-19 | 唐向阳 | Planetary speed change mechanism |
CN106870726A (en) * | 2017-02-22 | 2017-06-20 | 保定市兴润车桥制造有限公司 | A kind of automobile electrically-controlled two drive and 4 wheel driven switch clutch |
CN108488344B (en) * | 2018-04-29 | 2023-10-27 | 郑宇虎 | Multidirectional power output positive and negative power transmission case |
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CN2670675Y (en) * | 2003-12-29 | 2005-01-12 | 新疆升晟股份有限公司 | Parallel differential variator |
CN2670673Y (en) * | 2003-12-29 | 2005-01-12 | 新疆升晟股份有限公司 | Series differential transmission device |
CN101315122A (en) * | 2007-05-31 | 2008-12-03 | 三菱自动车工业株式会社 | Device operable to distribute driving forces |
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CN201951247U (en) * | 2010-12-27 | 2011-08-31 | 中国第一汽车集团公司 | Integrated structure of power divider and intermediate axle |
CN203023427U (en) * | 2013-01-07 | 2013-06-26 | 薛江涛 | Planetary differential gearshift mechanism |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4700424B2 (en) * | 2005-07-08 | 2011-06-15 | 本田技研工業株式会社 | Driving force distribution device for vehicle |
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2013
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Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001074125A (en) * | 1999-09-06 | 2001-03-23 | Tochigi Fuji Ind Co Ltd | Differential device |
CN1397749A (en) * | 2001-07-13 | 2003-02-19 | 周殿玺 | Inter-locking differential driver |
CN1378926A (en) * | 2002-03-27 | 2002-11-13 | 新疆升晟股份有限公司 | Differential independent unit for individual 4 drivers of moto-driven vehicle |
CN2570543Y (en) * | 2002-09-12 | 2003-09-03 | 新疆升晟股份有限公司 | Four-wheel driven differential transfer apparatus |
CN2570085Y (en) * | 2002-09-12 | 2003-09-03 | 新疆升晟股份有限公司 | Differential transferring equipment of shell-less differential gear |
CN2670675Y (en) * | 2003-12-29 | 2005-01-12 | 新疆升晟股份有限公司 | Parallel differential variator |
CN2670673Y (en) * | 2003-12-29 | 2005-01-12 | 新疆升晟股份有限公司 | Series differential transmission device |
CN101315122A (en) * | 2007-05-31 | 2008-12-03 | 三菱自动车工业株式会社 | Device operable to distribute driving forces |
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CN203023427U (en) * | 2013-01-07 | 2013-06-26 | 薛江涛 | Planetary differential gearshift mechanism |
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