CN103867665A - Two-stage planetary gear row offset middle wheel continuously variable speed changer - Google Patents
Two-stage planetary gear row offset middle wheel continuously variable speed changer Download PDFInfo
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- CN103867665A CN103867665A CN201210571707.9A CN201210571707A CN103867665A CN 103867665 A CN103867665 A CN 103867665A CN 201210571707 A CN201210571707 A CN 201210571707A CN 103867665 A CN103867665 A CN 103867665A
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- shaft
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- axle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/76—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with an orbital gear having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
Abstract
The invention relates to a mechanical speed changer, in particular to a two-stage planetary gear row offset middle wheel continuously variable speed changer which drives output by using an offset middle wheel in a vehicle driving system. The continuously variable speed changer mainly comprises an input shaft (1), soft shafts (2-5), the offset middle wheel (6), a first stage planetary gear (7), a second stage planetary gear (8), a gear ring (9), a planetary frame (10), a planetary frame central shaft (11), an offset middle wheel shaft (12), a first stage planetary gear shaft (13), a second stage planetary gear shaft (14), a gear ring disc (15), an output shaft (16) and a shell (17). A two-stage planetary gear row serves as a basic structure of the continuously variable speed changer, a coupler offset middle wheel input mechanism drives output, and the gear ring can also be driven to output the highest rotation speed in the way of autorotation and revolution after load torque is reduced while the offset middle wheel drives the gear ring in the form of autorotation to output the largest torque, so that a mechanical continuously variable speed function is finished. The continuously variable speed changer is particularly simple in structure, very low in price, large in transmission ratio continuous bearing capacity, safe, reliable and long in service life.
Description
Technical field:
The present invention relates to a kind of mechanical speed changer, relate in particular in a kind of automobile-used transmission system and use in the secondary planetary gear row skew of taking turns driver output in skew and take turns stepless speed variator.
Background technique:
On automobile, the automatic Transmissions Technique of more use is by fluid torque converter and epicyclic train combination at present, and adopt automatic hydraulic, the AT technology of electronic gearshift, but it has obvious shortcoming: velocity ratio is discontinuous, hydraudynamic drive efficiency is lower, complex structure, safeguard inconvenience, another infinite variable speed CVT technology, the variable master of working diameter of its employing Electric automatic control, follower matches and metal transmission brings transferring power, but CVT weakness is that metal tape bearing capacity is little, transmitted power is limited, and the cost long-life is short, its control system is quite complicated, cause supplementary costs to increase, can only be used at present car.Therefore, exploitation is a kind of safe and reliable, simple in structure, easy to process, cheap and can be used in the mechanical gear stepless speed variator of high capacity waggon, just becomes machinery industry and cannot solve in decades and urgent problem.The present invention uses the secondary planetary gear of wheel mechanism driver output in skew to arrange in skew and takes turns stepless speed variator, can be directly according to load torque size variation in the time of work, completely automatically carry out stepless change running, the present invention there is not yet homogeneous structure product and related data both at home and abroad.
Summary of the invention:
Problem to be solved by this invention is: take secondary planetary gear row as basic structure, in skew with skew secondary planetary gear row medial axis, take turns input mechanism and carry out driver output, the central axis of this kind of secondary planetary gear row's central gear and secondary planetary gear row's central axis has an eccentric distance e, and in the skew of supporting central gear, wheel shaft is also arranged on planetary carrier, thereby its central gear not only can rotation, and can be around secondary planetary gear row's central axis revolution, can be driving gear ring and in maximum output torque to turn in vain form, after load-torque reduces, can also add revolution form with rotation drives gear ring and exports maximum speed, thereby carry out completely automatically mechanical stepless speed changes running.
The present invention is achieved in that in accompanying drawing 1: in secondary planetary gear row skew, take turns stepless speed variator main parts size and comprise input shaft 1, (it is front establishing input end direction to front universal joint 2, output terminal is rear), transmission shaft 3, rear universal joint 4, drive axle support 5, in skew, take turns 6, one-level planet wheel 7, secondary planet wheel 8, gear ring 9, planet carrier 10, star frame central shaft 11, partially middle wheel shaft 12, one-level road wheel axle 13, secondary road wheel axle 14, gear ring dish 15, output shaft 16, casing 17 forms, its structure is: input shaft 1 and output shaft 16 and star frame central shaft 11 concentricity axis are also supported by casing 17, input shaft 1 is by front universal joint 2, transmission shaft 3, rear universal joint 4 is taken turns 6 and is connected with skew, in the skew of composition coupling, take turns input mechanism, drive axle support 5 front ends are supported by input shaft 1, drive axle support 5 rear ends have just joined with one-level road wheel axle 13 and secondary road wheel axle 14, planet carrier 10 is provided with partially middle wheel shaft 12 above, the central axis of partially middle wheel shaft 12 and secondary planetary gear row's central axis, the central axis that is output shaft 16 has the centre distance of departing from e, planet carrier 10 is also provided with one group above to array one-level road wheel axle 13 and secondary road wheel axle 14, each group one-level planet wheel 7 is supported with secondary road wheel axle 14 by the one-level road wheel axle 13 of each group with secondary planet wheel 8, each group one-level road wheel axle 13 engages with one-level planet wheel 7 according to taking turns 6 in skew with the mounting point of secondary road wheel axle 14, one-level planet wheel 7 engages with secondary planet wheel 8, secondary planet wheel 8 is formulated with the meshing relation of gear ring 9, planet carrier 10 is provided with star frame central shaft 11 below, star frame central shaft 11 is supported by output shaft 16, in skew, taking turns 6 is supported by partially middle wheel shaft 12, gear ring 9 has just joined with gear ring dish 15, gear ring dish 15 has just joined with output shaft 16.
In accompanying drawing 2: take turns stepless speed variator in secondary planetary gear row skew in the time of the simple and easy coupling input mechanism of design, can be by front universal joint 2, transmission shaft 3, rear universal joint 4 is removed with drive axle support 5, and replace it with power flexible axle 2-5, power flexible axle 2-5 can be rigid material flexibility and composite material manufacture, now, in secondary planetary gear row skew, take turns stepless speed variator main parts size and comprise input shaft 1, power flexible axle 2-5, , in skew, take turns 6, one-level planet wheel 7, secondary planet wheel 8, gear ring 9, planet carrier 10, star frame central shaft 11, partially middle wheel shaft 12, secondary road wheel axle 14, gear ring dish 15, output shaft 16, casing 17 forms, its structure is: input shaft 1 and output shaft 16 and star frame central shaft 11 concentricity axis are also supported by casing 17, input shaft 1 is taken turns 6 and is connected with skew by power flexible axle 2-5, in the skew of composition coupling, take turns input mechanism, planet carrier 10 is provided with partially middle wheel shaft 12 above, the central axis of partially middle wheel shaft 12 and secondary planetary gear row's central axis, the central axis that is output shaft 16 has the centre distance of departing from e, planet carrier 10 is also provided with one group to array secondary road wheel axle 14 above, output shaft 16 stretches into the position as one-level road wheel axle that protracts in casing 17 in order to support one-level planet wheel 7, secondary planet is taken turns 8 secondary road wheel axles 14 by each group and is supported, engage with secondary planet wheel 8 according to one-level planet wheel 7 mounting point of each group secondary road wheel axle 14, secondary planet wheel 8 is formulated with the meshing relation of gear ring 9, planet carrier 10 is provided with star frame central shaft 11 below, after star frame central shaft 11 center drillings (star frame central shaft 11 center drillings are planet carrier 10 center drillings), also supported by output shaft 16, in skew, taking turns 6 is supported by partially middle wheel shaft 12, gear ring 9 has just joined with gear ring dish 15, gear ring dish 15 has just joined with output shaft 16.When actual design, accompanying drawing 1 is taken turns input mechanism in being offset with the coupling in accompanying drawing 2, according to Der Grundsatz der Maschinen, is that completely available other coupling exchanges, as Drum Tooth Coupling, and sliding cross coupling, bellows coupling, diaphragm coupling etc.
Working principle is shown in accompanying drawing 2: after input shaft 1 rotates, be to take turns 6 rotations in power flexible axle 2-5 drive skew by coupling, and by one-level planet wheel 7, secondary planet wheel 8, drive gear ring 9, gear ring dish 15, output shaft 16 slows down and rotates and export with Maximum Torque, once gear ring 9 rotates, in skew, take turns 6 in rotation, the also form to revolve round the sun, following gear ring 9 synchronously revolves round the sun, in secondary planetary gear row skew, take turns stepless speed variator like this and just can in skew, take turns 6 with in rotation formal output Maximum Torque, the mode that can also add revolution with rotation after load-torque reduces is exported maximum speed.
In secondary planetary gear row of the present invention skew, take turns stepless speed variator, adopt secondary planetary gear row owing to being in operation and carry out driver output with wheel in skew, can be in rotation formal output Maximum Torque, after reducing, load-torque can also add rotation formal output maximum speed with revolution, thereby completed reliably mechanical stepless speed-changing function, and textural anomaly is simple, price is quite cheap, velocity ratio continuous bearing power is large, and the safe and reliable spreadable life is long.
Accompanying drawing explanation:
Fig. 1: take turns stepless speed variator transmission sketch in secondary planetary gear row skew.
Fig. 2: take turns the simple and easy transmission diagram of stepless speed variator in secondary planetary gear row skew.
Embodiment:
In accompanying drawing 1: in the concrete secondary planetary gear row skew of implementing, take turns stepless speed variator main parts size comprise in input shaft 1, front universal joint 2, transmission shaft 3, rear universal joint 4, drive axle support 5, skew, take turns 6, one-level planet wheel 7, secondary planet wheel 8, gear ring 9, planet carrier 10, star frame central shaft 11, partially in wheel shaft 12, one-level road wheel axle 13, secondary road wheel axle 14, gear ring dish 15, output shaft 16, casing 17 form, its structure is: input shaft 1 and output shaft 16 and star frame central shaft 11 concentricity axis are also supported by casing 17, input shaft 1 is by front universal joint 2, transmission shaft 3, rear universal joint 4 is taken turns 6 and is connected with skew, in composition skew, take turns coupling input mechanism, drive axle support 5 front ends are supported by input shaft 1, drive axle support 5 rear ends have just joined with one-level road wheel axle 13 and secondary road wheel axle 14, planet carrier 10 is provided with partially middle wheel shaft 12 above, the central axis of partially middle wheel shaft 12 and secondary planetary gear row's central axis, the central axis that is output shaft 16 has the centre distance of departing from e, planet carrier 10 is also provided with one group above to array one-level road wheel axle 13 and secondary road wheel axle 14, each group one-level planet wheel 7 is supported with secondary road wheel axle 14 by the one-level road wheel axle 13 of each group with secondary planet wheel 8, each group one-level road wheel axle 13 engages with one-level planet wheel 7 according to taking turns 6 in skew with the mounting point of secondary road wheel axle 14, one-level planet wheel 7 engages with secondary planet wheel 8, secondary planet wheel 8 is formulated with the meshing relation of gear ring 9, planet carrier 10 is provided with star frame central shaft 11 below, star frame central shaft 11 is supported by output shaft 16, in skew, taking turns 6 is supported by partially middle wheel shaft 12, gear ring 9 has just joined with gear ring dish 15 and output shaft 16.
In accompanying drawing 2: in secondary planetary gear row skew, take turns stepless speed variator main parts size comprise input shaft 1, power flexible axle 2-5,, take turns 6 in skew, one-level planet wheel 7, secondary planet wheel 8, gear ring 9, planet carrier 10, star frame central shaft 11, partially in wheel shaft 12, secondary road wheel axle 14, gear ring dish 15, output shaft 16, casing 17 form, its structure is: input shaft 1 and output shaft 16 and star frame central shaft 11 concentricity axis are also supported by casing 17, input shaft 1 is taken turns 6 and is connected with skew by power flexible axle 2-5, in the skew of composition coupling, take turns input mechanism, planet carrier 10 is provided with partially middle wheel shaft 12 above, the central axis of partially middle wheel shaft 12 and secondary planetary gear row's central axis, the central axis that is output shaft 16 has the centre distance of departing from e, planet carrier 10 is also provided with one group to array secondary road wheel axle 14 above, output shaft 16 stretches into the position as one-level road wheel axle that protracts in casing 17 in order to support one-level planet wheel 7, secondary planet is taken turns 8 secondary road wheel axles 14 by each group and is supported, engage with secondary planet wheel 8 according to one-level planet wheel 7 mounting point of each group secondary road wheel axle 14, secondary planet wheel 8 is formulated with the meshing relation of gear ring 9, planet carrier 10 is provided with star frame central shaft 11 below, after star frame central shaft 11 center drillings, also supported by output shaft 16, in skew, taking turns 6 is supported by partially middle wheel shaft 12, gear ring 9 has just joined with gear ring dish 15, gear ring dish 15 has just joined with output shaft 16.
Claims (2)
1. in secondary planetary gear row skew, take turns stepless speed variator, it is characterized in that: in secondary planetary gear row skew, take turns stepless speed variator main parts size and comprise input shaft (1), front universal joint (2), transmission shaft (3), rear universal joint (4), drive axle support (5), wheel (6) in skew, one-level planet wheel (7), secondary planet wheel (8), gear ring (9), planet carrier (10), star frame central shaft (11), partially middle wheel shaft (12), one-level road wheel axle (13), secondary road wheel axle (14), gear ring dish (15), output shaft (16), casing (17) composition, its structure is: input shaft (1) and output shaft (16) and the concentricity axis of star frame central shaft (11) are also supported by casing (17), input shaft (1) is by front universal joint (2), transmission shaft (3), rear universal joint (4) connects with wheel (6) in skew, in the skew of composition coupling, take turns input mechanism, drive axle support (5) front end is supported by input shaft (1), drive axle support (5) rear end just joins with one-level road wheel axle (13) and secondary road wheel axle (14), planet carrier (10) is provided with partially middle wheel shaft (12) above, the central axis of partially middle wheel shaft (12) and secondary planetary gear row's central axis, the central axis that is output shaft (16) has the centre distance of departing from e, planet carrier (10) is also provided with one group above to array one-level road wheel axle (13) and secondary road wheel axle (14), each group one-level planet wheel (7) and the one-level road wheel axle (13) and secondary road wheel axle (14) supporting of secondary planet wheel (8) by each group, each group one-level road wheel axle (13) engages with one-level planet wheel (7) according to wheel (6) in skew with the mounting point of secondary road wheel axle (14), one-level planet wheel (7) engages with secondary planet wheel (8), secondary planet wheel (8) is formulated with the meshing relation of gear ring (9), planet carrier (10) is provided with star frame central shaft (11) below, star frame central shaft (11) is supported by output shaft (16), in skew, wheel (6) is by partially middle wheel shaft (12) supporting, gear ring (9) just joins with gear ring dish (15), gear ring dish (15) just joins with output shaft (16).
2. in secondary planetary gear row skew, take turns a stepless speed variator, it is characterized in that: secondary planetary gear is taken turns stepless speed variator main parts size and comprised that wheel (6), one-level planet wheel (7) in input shaft (1), power flexible axle (2-5), skew, secondary planet wheel (8), gear ring (9), planet carrier (10), star frame central shaft (11), partially middle wheel shaft (12), secondary road wheel axle (14), gear ring dish (15), output shaft (16), casing (17) form in arranging and being offset, its structure is: input shaft (1) and output shaft (16) and the concentricity axis of star frame central shaft (11) are also supported by casing (17), input shaft (1) connects with wheel (6) in skew by power flexible axle (2-5), in the skew of composition coupling, take turns input mechanism, planet carrier (10) is provided with partially middle wheel shaft (12) above, the central axis of partially middle wheel shaft (12) and secondary planetary gear row's central axis, the central axis that is output shaft (16) has the centre distance of departing from e, planet carrier (10) is also provided with one group above to array secondary road wheel axle (14), output shaft (16) stretches into the interior position as one-level road wheel axle that protracts of casing (17) in order to support one-level planet wheel (7), secondary planet wheel (8) is supported by the secondary road wheel axle (14) of each group, engage with secondary planet wheel (8) according to one-level planet wheel (7) mounting point of each group secondary road wheel axle (14), secondary planet wheel (8) is formulated with the meshing relation of gear ring (9), planet carrier (10) is provided with star frame central shaft (11) below, after star frame central shaft (11) center drilling, also supported by output shaft (16), in skew, wheel (6) is by partially middle wheel shaft (12) supporting, gear ring (9) just joins with gear ring dish (15), gear ring dish (15) just joins with output shaft (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210571707.9A CN103867665A (en) | 2012-12-12 | 2012-12-12 | Two-stage planetary gear row offset middle wheel continuously variable speed changer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210571707.9A CN103867665A (en) | 2012-12-12 | 2012-12-12 | Two-stage planetary gear row offset middle wheel continuously variable speed changer |
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| CN103867665A true CN103867665A (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210571707.9A Pending CN103867665A (en) | 2012-12-12 | 2012-12-12 | Two-stage planetary gear row offset middle wheel continuously variable speed changer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116104922A (en) * | 2023-04-12 | 2023-05-12 | 西安高商智能科技有限责任公司 | Driving speed reducing mechanism |
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2012
- 2012-12-12 CN CN201210571707.9A patent/CN103867665A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116104922A (en) * | 2023-04-12 | 2023-05-12 | 西安高商智能科技有限责任公司 | Driving speed reducing mechanism |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |