CN100564136C - Automobile-use planet wheel differential steering and driving synthesis system and application thereof - Google Patents
Automobile-use planet wheel differential steering and driving synthesis system and application thereof Download PDFInfo
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- CN100564136C CN100564136C CNB200810123386XA CN200810123386A CN100564136C CN 100564136 C CN100564136 C CN 100564136C CN B200810123386X A CNB200810123386X A CN B200810123386XA CN 200810123386 A CN200810123386 A CN 200810123386A CN 100564136 C CN100564136 C CN 100564136C
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Abstract
The invention discloses a kind of automobile-use planet wheel differential steering and drive synthesis system and application thereof, this system is combined by 1 automobile axle differential planetary train, 1 fixedly deceleration train and 1 positive sign mechanism planet circular system.Wherein second center gear (14) of back axle differential planetary train second center gear (20) and positive sign mechanism planet circular system is connected on second semiaxis (13) and is connected to second wheel, back axle differential planetary train first center gear (24) is connected to first wheel by second semiaxis (25), the tumbler shaft first of back axle differential planetary train, the second half shells (2,4) be connected with first joint shaft gear (5), gear (5 by fixedly deceleration train, 6,7,8) slow down, second joint shaft gear (8) and positive sign mechanism planet circular system first center gear (9) are connected, and are connected and fixed deceleration train and positive sign mechanism planet circular system.The present invention has simple in structure, the advantage of applied range.
Description
Technical field
The present invention relates to a kind of motor-vehicle chassis drive axle technology, especially a kind ofly realize turning to and drive system of the self-propelled vehicle that turns to by changing drive wheel left and right wheels speed, specifically a kind of automobile-use planet wheel differential steering with drive synthesis system and application thereof.
Background technology
At present, the steer-drive of domestic continuously tracked vehicle and amelioration product thereof adopts the power-transfer clutch steering swivel system more.The Turning radius of vehicle was more than or equal to the gauge of vehicle when this steering swivel system was worked, it turns to is to lean on the sliding wear of steering clutch to realize, power all focuses on a side of vehicle when turning to, and opposite side does not then have power, and loss in efficiency is bigger when therefore turning to.Simultaneously, steering clutch formula steering hardware have that road-holding property is poor, energy consumption is big, shortcoming such as easy to wear, inefficiency.
The patent No. is 91220811.2, name is called the Chinese utility model patent of " continuously tracked vehicle power steering mechanism ", the major defect of this vehicle steering mechanism is: the sun wheel of its power input bevel gear wheel and the right and left is fixed on the same axis, after the planetary transmission gear ring that turns to finishing bevel gear cuter and limit, place on both sides is fixed together, also be supported on this with on the axle, and the two ends, the left and right sides of this root axle are supported on the axis part of left and right output shaft.Power is imported bevel gear wheel, is turned to the engagement force of finishing bevel gear cuter all bigger, and limited, the poor lubrication in axis part space of left and right output shaft is difficult to guarantee lubricated fully and enough intensity.At power input bevel gear wheel, turn under the effect of engagement force of finishing bevel gear cuter, the axle at their places will move or be out of shape unavoidably, at this moment, mobile, generation unbalance loading that the sun wheel at these root axle two ends will produce, and this unbalance loading is very irrational for planetary transmission.Mobile or the distortion of this root axle simultaneously also can cause the planetary transmission gear ring on both sides to move, take place unbalance loading, and this unbalance loading also is very irrational for planetary transmission.
The patent No. is 5535840, denomination of invention is the US Patent of " being applied to the steering swivel system of continuously tracked vehicle ", the major defect of this continuously tracked vehicle steering swivel system is when straight-line travelling, transmitting ratio is less, cause the transmitting ratio of other members of continuously tracked vehicle to strengthen, increased the design difficulty of continuously tracked vehicle, structure is complicated, is not suitable for using in dilly.The U.S. blocks a kind of differential screw and steering device that extra heavy worker uses in its R type continuously tracked vehicle, this differential screw and steering device provides vehicle both sides track sprocket different rotating speeds with the planetary gear train that two degree of freedom are arranged, and produces the differential steering motion to reach the both sides crawler belt.The problem that this mechanism exists is that steering power is imported by side direction, and dynamic branch is asymmetric; Complex structure need three planet rows, and three planet rows' scantling of structure is also inconsistent, thereby three planet rows' interchangeablity is poor, specification is many.
Summary of the invention
The objective of the invention is the baroque problem of steering swivel system that exists at existing power actuated vehicle steer-drive, provide a kind of reasonable in design, simple in structure, turn to flexibly accurately, automobile-use planet wheel differential steering that stability and commonality are good with drive synthesis system.
Technical scheme of the present invention is:
A kind of automobile-use planet wheel differential steering and driving synthesis system, it is characterized in that: it mainly is made up of back axle differential planetary train 26, fixedly deceleration train 27 and positive sign mechanism planet circular system 28; Described back axle differential planetary train 26 mainly drives driving wheel 1 by advancing, advance and drive flower wheel 3, back axle pivoted arm the first half shells 2, back axle pivoted arm the second half shells 4, back axle second center gear 20, back axle satellite gear 21, back axle first center gear 24, second semiaxis 13 and first semiaxis 25 are formed, the driving driving wheel 1 of advancing is connected on engine mission 29 output shafts, the driving flower wheel 3 of advancing is meshed and is fixed on the driving driving wheel 1 of advancing and interconnects the back axle pivoted arm first that is integral, the second two halves shell 2, on 4, back axle first center gear 24 and first semiaxis 25 are fixedly linked, first wheel 30 is connected on first semiaxis 25, back axle second center gear 20 is installed on the end of second semiaxis 13 that passes fixedly deceleration train 27, second wheel 31 is connected on second semiaxis 13, the wheel shaft of back axle satellite gear 21 is installed in back axle pivoted arm first, the second two halves shell 2, on 4, back axle satellite gear 21 meshes with back axle second center gear 20 and back axle first center gear 24 respectively; Described fixedly deceleration train 27 is mainly by first quill gear 5, second quill gear 8, the dual gear first anchor shaft gear 6, the dual gear second anchor shaft gear 7 is formed, first quill gear 5 is sleeved on second semiaxis 13 and is fixedly linked with back axle pivoted arm the second half shells 4, second quill gear 8 also is sleeved on second semiaxis 13, the wheel shaft of dual gear first anchor shaft gear 6 and the dual gear second anchor shaft gear 7 is installed on the shell, and the dual gear first anchor shaft gear 6 and the dual gear second anchor shaft gear 7 are meshed with first quill gear 5 and second quill gear 8 respectively; Described positive sign mechanism planet circular system 28 is mainly by turning to input driving wheel 12, positive sign mechanism pivoted arm the first half shells 18, positive sign mechanism pivoted arm the second half shells 17, turn to input flower wheel 15, positive sign mechanism first center gear 9, positive sign mechanism second center gear 14, dual gear positive sign mechanism first satellite gear 10 and dual gear positive sign mechanism second satellite gear 11 are formed, wherein, turn to input driving wheel 12 to link to each other with the output shaft that turns to speed-changing driving device 32, turn to input flower wheel 15 to be meshed with turning to input driving wheel 12, turn to input flower wheel 15 and the positive sign mechanism pivoted arm the one the second two halves shells 18,17 are fixedly linked, the wheel shaft of dual gear positive sign mechanism first satellite gear 10 and dual gear positive sign mechanism second satellite gear 11 is installed in positive sign mechanism pivoted arm first, in the fabricate block of the second two halves shell 1817 and with they synchronous rotations, positive sign mechanism first satellite gear 10 and positive sign mechanism second satellite gear 11 mesh with cooresponding positive sign mechanism first center gear 9 and positive sign mechanism second center gear 14 respectively simultaneously, positive sign mechanism first center gear 9 is captiveed joint with second quill gear 8 of fixedly deceleration train 27, and positive sign mechanism second center gear 14 is fixed on second semiaxis 13.
The reduction ratio of first quill gear 5 of fixedly deceleration train 27, the dual gear first anchor shaft gear 6, the dual gear second anchor shaft gear 7, second quill gear 8 must equal the reduction ratio of positive sign mechanism second center gear 14 of positive sign mechanism planet circular system 28, dual gear positive sign mechanism second satellite gear 11, dual gear positive sign mechanism first satellite gear 10, positive sign mechanism first center gear 9.
The described driving input driving wheel 1 of advancing is conical gear pair or cylindrical gear pair with the gear pair that drives input flower wheel 3 compositions of advancing.
The described input driving wheel 12 that turns to is conical gear pair or cylindrical gear pair with turning to the gear pair of importing flower wheel 15 compositions.
Described automobile-use planet wheel differential steering and driving synthesis system also can be and symmetrical system of above-mentioned system.
Automobile-use planet wheel differential steering of the present invention with drive synthesis system, can be widely used in realizing turning to of this type of vehicle in crawler type or the wheeled motor vehicle, make flexible to operationly simultaneously, make, maintenance, install very convenient.
The invention has the beneficial effects as follows:
1, steering power is the planet row who drives both sides with the form of symmetry simultaneously, the shunting of steerage gear power symmetry, and flow process is short, the efficient height.
2, power input of the present invention adopts the conical gear pair to can be used for engine behind front wheel rear-guard formula self-propelled vehicle, and the power input adopts cylindrical gear pair to can be used for engine behind front wheel forerunner formula self-propelled vehicle, and is applied widely.
3, turn to the required rotating speed rotating speed that advances relatively very slow in the vehicle wheel rotational speed after synthetic, use the positive sign mechanism planet circular system can make advancing drive produce a less reduction ratio, produce a bigger reduction ratio and make to turn to drive, also can make simultaneously turns to CD-ROM drive motor to bear less torque load(ing), reduce the kinetic equation loss of self-propelled vehicle, realized powerdriven high efficiency.
4, the present invention is applied to crawler belt vehicle, can effectively improve the maneuvering performance of self-propelled vehicle, make chaufeur can be as the automobilist brisk handling bearing circle, turn to flexibly.To bring great economic benefit and social benefit to war industry, the civilian industry of producing continuously tracked vehicle.
Description of drawings
Fig. 1 is automobile-use planet wheel differential steering of the present invention and driving synthesis system constructional drawing.
Fig. 2 is the automobile-use planet wheel differential steering and one of driving synthesis system transmission principle scheme drawing of invention.
Fig. 3 is automobile-use planet wheel differential steering of the present invention and two of driving synthesis system transmission principle scheme drawing.
Among the figure: 1 advances drives driving wheel 2 back axle pivoted arms the first half shells 3 and advances and drive driven pulley 4 back axle pivoted arms the second half shell 5 first set shaft gears 6 duplicate gears the first fixed axis gear 7 duplicate gears the second fixed axis gear 8 second quill gears 9 positive sign mechanisms the first centre wheel 10 duplicate gear positive sign mechanism the first row star-wheels 11 duplicate gear positive sign mechanisms the second planetary gears 12 and turn to input driving wheel 13 second semiaxis 14 positive sign mechanisms the second centre wheel 15 to turn to input driven pulley 17 positive sign mechanism pivoted arms the second half shell 18 positive sign mechanism pivoted arms the first half shell 20 back axles the second centre wheel 21 back axle planetary gears, 24 back axles the first centre wheel 25 first semiaxis, 26 first back axle differential planetary trains, 27 fixedly deceleration trains, 28 positive sign mechanism planet circular systems, 29 engines and the gearbox 30 first wheels 31 second wheels 32 turning speed change drivers 33 driving input gear pair of advancing.
The specific embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, 2, 3.
A kind of automobile-use planet wheel differential steering and driving synthesis system, it mainly is made up of back axle differential planetary train 26, fixedly deceleration train 27 and positive sign mechanism planet circular system 28; Described back axle differential planetary train 26 mainly drives input gear pair 33, and (drive driving wheel 1 forms with the driving flower wheel 3 of advancing by advancing by advancing, can be Fig. 1, bevel-gear pair shown in 2, also can adopt cylindrical gear pair shown in Figure 3), back axle pivoted arm the first half shells 2, back axle pivoted arm the second half shells 4, back axle second center gear 20, back axle satellite gear 21, back axle first center gear 24, second semiaxis 13 and first semiaxis 25 are formed, the advancing driving driving wheel 1 that drives in the input gear pair 33 of advancing is connected on engine mission 29 output shafts, advancing driving flower wheel 3 in the driving input gear pair 33 of advancing is meshed and is fixed on the driving driving wheel 1 of advancing and interconnects the back axle pivoted arm first that is integral, the second two halves shell 2, on 4, back axle first center gear 24 and first semiaxis 25 are fixedly linked, first wheel 30 is connected on first semiaxis 25, back axle second center gear 20 is installed on the end of second semiaxis 13 that passes fixedly deceleration train 27, second wheel 31 is connected on second semiaxis 13, the wheel shaft of back axle satellite gear 21 is installed in back axle pivoted arm first, the second two halves shell 2, on 4, back axle satellite gear 21 meshes with back axle second center gear 20 and back axle first center gear 24 respectively; Described fixedly deceleration train 27 is mainly by first quill gear 5, second quill gear 8, the dual gear first anchor shaft gear 6, the dual gear second anchor shaft gear 7 is formed, first quill gear 5 is sleeved on second semiaxis 13 and is fixedly linked with back axle pivoted arm the second half shells 4, second quill gear 8 also is sleeved on second semiaxis 13, the wheel shaft of dual gear first anchor shaft gear 6 and the dual gear second anchor shaft gear 7 is installed on the shell of whole steering hardware, and the dual gear first anchor shaft gear 6 and the dual gear second anchor shaft gear 7 are meshed with first quill gear 5 and second quill gear 8 respectively; Described positive sign mechanism planet circular system 28 is mainly by turning to input driving wheel 12, positive sign mechanism pivoted arm the first half shells 18, positive sign mechanism pivoted arm the second half shells 17, turn to input flower wheel 15, positive sign mechanism first center gear 9, positive sign mechanism second center gear 14, dual gear positive sign mechanism first satellite gear 10 and dual gear positive sign mechanism second satellite gear 11 are formed, wherein, turn to input driving wheel 12 to link to each other with the output shaft that turns to speed-changing driving device 32, turn to input flower wheel 15 to turn to the input gear pair with turning to input driving wheel 12 composition that is meshed, this gear pair can adopt Fig. 1, bevel-gear pair shown in 2 also can adopt cylindrical gear pair shown in Figure 3 to be realized.Turn to input flower wheel 15 and positive sign mechanism pivoted arm first, the second two halves shell 18,17 are fixedly linked, the wheel shaft of dual gear positive sign mechanism first satellite gear 10 and dual gear positive sign mechanism second satellite gear 11 is installed in positive sign mechanism pivoted arm first, the second two halves shell 18, in 17 the fabricate block and with they synchronous rotations, dual gear positive sign mechanism first satellite gear 10 and dual gear positive sign mechanism second satellite gear 11 mesh with cooresponding positive sign mechanism first center gear 9 and positive sign mechanism second center gear 14 respectively simultaneously, positive sign mechanism first center gear 9 is captiveed joint with second quill gear 8 of fixedly deceleration train 27, and positive sign mechanism second center gear 14 is fixed on second semiaxis 13.
When the rotating speed that turns to input driving wheel 12 is 0, the tumbler shaft transfixion of positive sign mechanism planet circular system.Because the product of the reduction ratio of fixedly deceleration train 27 and the raising speed ratio of positive sign mechanism planet circular system 28 equals 1, the rotating speed of first, second tumbler shaft 2,4 of rotating speed and back axle of second center gear 8 of positive sign mechanism planet circular system 28 and second semiaxis 13 that is fixed together equates, because the differential action of back axle planet circular system also equates with the rotating speed of first semiaxis 25.Therefore the left and right wheels rotating speed equates, the self-propelled vehicle moving linearly.
When turning to driving driving wheel forward or reverse, the tumbler shaft of positive sign mechanism planet circular system is also done main story or counter-rotating.Because the differential action of positive sign mechanism planet circular system 28, the rotating speed of its second center gear 8 and second semiaxis 13 that is fixed together just than the rotating speed of first, second tumbler shaft 2,4 of back axle soon some or more slowly, because the rotating speed of differential action first semiaxis 25 of back axle planet circular system is symmetry slower or sooner then, left and right wheels causes speed discrepancy but average velociity is constant, and self-propelled vehicle keeps former speed to turn.
Turn to CD-ROM drive motor just to change, reverse and to make car body turn left to turn right.Turn to CD-ROM drive motor to change the size that many commentaries on classics can change the car body steering angle less.Turning to CD-ROM drive motor to change fast commentaries on classics can change car body slowly and turn to speed.
Planet wheel differential steering with as shown in Figure 1 a kind of automobile-use is an example with driving the synthesis system constructional drawing, and the fixedly deceleration train and the positive sign mechanism planet circular system number of teeth dispose as follows:
Gear Z5 to Z14 number of teeth profile instance
| Z5 | Z6 | Z7 | Z8 | Z9 | Z10 | Z11 | Z14 |
| 18 | 19 | 18 | 19 | 19 | 18 | 19 | 18 |
Invention has been described to reach the specific embodiment above in conjunction with the accompanying drawings; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
The system that the left and right sides holohedry of said system is described, its function is identical, is that equivalence of the present invention is replaced, and belongs to this patent.
Said system can change cylindrical gear pair into turning to CD-ROM drive motor bonded assembly conical gear pair, its function is identical, belongs to this patent.
During concrete enforcement; back axle differential planetary train 26, fixedly the mounting means of ratio wheel the 27th, positive sign mechanism planet circular system 28 can adopt Fig. 1, Fig. 2, shown in Figure 3 be suitable for the version that put on a driving engine left side; also can become the driving engine right side to put or the form of engine in front of rear wheel mid-engine by symmetry transformation; these conversion all are and the conversion of complete equivalence of the present invention, belong among the protection category of the present invention.
The present invention can effectively improve the maneuvering performance of self-propelled vehicle, make chaufeur can be as the automobilist brisk handling bearing circle, turn to flexibly.To bring great economic benefit and social benefit to war industry, the civilian industry of producing continuously tracked vehicle.
Automobile-use planet wheel differential steering of the present invention with drive synthesis system, can be widely used in realizing turning to of this type of vehicle in crawler type or the wheeled motor vehicle, make flexible to operationly simultaneously, make, maintenance, install very convenient.
Claims (4)
1, a kind of automobile-use planet wheel differential steering and driving synthesis system, it is characterized in that: it mainly is made up of back axle differential planetary train (26), fixedly deceleration train (27) and positive sign mechanism planet circular system (28); Described back axle differential planetary train (26) mainly drives driving wheel (1) by advancing, advance and drive flower wheel (3), back axle pivoted arm the first half shells (2), back axle pivoted arm the second half shells (4), back axle second center gear (20), back axle satellite gear (21), back axle first center gear (24), second semiaxis (13) and first semiaxis (25) are formed, the driving driving wheel (1) of advancing is connected on engine mission (29) output shaft, the driving flower wheel (3) of advancing is meshed and is fixed on the driving driving wheel (1) of advancing and interconnects the back axle pivoted arm first that is integral, the second two halves shell (2,4) on, back axle first center gear (24) is fixedly linked with first semiaxis (25), first wheel (30) is connected on first semiaxis (25), back axle second center gear (20) is installed on the end of second semiaxis (13) that passes fixedly deceleration train (27), second wheel (31) is connected on second semiaxis (13), the wheel shaft of back axle satellite gear (21) is installed in back axle pivoted arm first, the second two halves shell (2,4) on, back axle satellite gear (21) meshes with back axle second center gear (20) and back axle first center gear (24) respectively; Described fixedly deceleration train (27) is mainly by first quill gear (5), second quill gear (8), the dual gear first anchor shaft gear (6), the dual gear second anchor shaft gear (7) is formed, first quill gear (5) is sleeved on that second semiaxis (13) is gone up and is fixedly linked with back axle pivoted arm the second half shells (4), second quill gear (8) also is sleeved on second semiaxis (13), the wheel shaft of dual gear first anchor shaft gear (6) and the dual gear second anchor shaft gear (7) is installed on the shell, and the dual gear first anchor shaft gear (6) and the dual gear second anchor shaft gear (7) are meshed with first quill gear (5) and second quill gear (8) respectively; Described positive sign mechanism planet circular system (28) is mainly by turning to input driving wheel (12), positive sign mechanism pivoted arm the first half shells (18), positive sign mechanism pivoted arm the second half shells (17), turn to input flower wheel (15), positive sign mechanism first center gear (9), positive sign mechanism second center gear (14), dual gear positive sign mechanism first satellite gear (10) and dual gear positive sign mechanism second satellite gear (11) are formed, wherein, turn to input driving wheel (12) to link to each other with the output shaft that turns to speed-changing driving device (32), turn to input flower wheel (15) to be meshed with turning to input driving wheel (12), turn to input flower wheel (15) and positive sign mechanism pivoted arm first, the second two halves shell (18) (17) is fixedly linked, the wheel shaft of dual gear positive sign mechanism first satellite gear (10) and dual gear positive sign mechanism second satellite gear (11) is installed in positive sign mechanism pivoted arm first, in the fabricate block of the second two halves shell (18) (17) and with they synchronous rotations, positive sign mechanism first satellite gear (10) and positive sign mechanism second satellite gear (11) mesh with cooresponding positive sign mechanism first center gear (9) and positive sign mechanism second center gear (14) respectively simultaneously, positive sign mechanism first center gear (9) is captiveed joint with second quill gear (8) of fixedly deceleration train (27), and positive sign mechanism second center gear (14) is fixed on second semiaxis (13).
2, automobile-use planet wheel differential steering according to claim 1 with drive synthesis system, it is characterized in that first quill gear (5), the dual gear first anchor shaft gear (6) of fixedly deceleration train (27), the reduction ratio of the dual gear second anchor shaft gear (7) second quill gears (8) must equal the reduction ratio of positive sign mechanism second center gear (14) of positive sign mechanism planet circular system (28), dual gear positive sign mechanism second satellite gear (11), dual gear positive sign mechanism first satellite gear (10), positive sign mechanism first center gear (9).
3, automobile-use planet wheel differential steering according to claim 1 with drive synthesis system, it is characterized in that described advancing drives input driving wheel (1) and advance that to drive the gear pair that input flower wheel (3) forms be conical gear pair or cylindrical gear pair.
4, automobile-use planet wheel differential steering according to claim 1 and driving synthesis system is characterized in that the described gear pair that turns to input driving wheel (12) and turn to input flower wheel (15) to form is conical gear pair or cylindrical gear pair.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200810123386XA CN100564136C (en) | 2008-06-16 | 2008-06-16 | Automobile-use planet wheel differential steering and driving synthesis system and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200810123386XA CN100564136C (en) | 2008-06-16 | 2008-06-16 | Automobile-use planet wheel differential steering and driving synthesis system and application thereof |
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| CN101306698A CN101306698A (en) | 2008-11-19 |
| CN100564136C true CN100564136C (en) | 2009-12-02 |
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| CN113306387B (en) * | 2021-06-11 | 2022-07-26 | 中国船舶重工集团公司第七一三研究所 | Electric double-flow transmission mechanism |
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