CN201784461U - Differential torque transmission device - Google Patents
Differential torque transmission device Download PDFInfo
- Publication number
- CN201784461U CN201784461U CN2009200862722U CN200920086272U CN201784461U CN 201784461 U CN201784461 U CN 201784461U CN 2009200862722 U CN2009200862722 U CN 2009200862722U CN 200920086272 U CN200920086272 U CN 200920086272U CN 201784461 U CN201784461 U CN 201784461U
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- gear
- differential
- ring
- diff
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Abstract
The utility model provides a differential torque transmission device, which consists of a main speed reducer, an inter-axle differential (A), a front differential (B), a rear differential (C), an intermediate differential (D), an antiskid composite differential (E) and a clutch (H). The multiple differentials are connected mutually and respectively independently drive each wheel through power distribution, and the clutch (H) is capable of realizing forced engagement (lock) or separation through action of external force. The differential torque transmission device comprises the multiple differentials which are connected and respectively independently drive each wheel through power distribution, can realize distribution of different torque and revolution of front and rear wheels of a vehicle and automatic adjustment according to ground adhesion condition, can realize differential transmission between front and rear axles, among wheels and between diagonal wheels and realize skid prevention between the front and rear axles, between the diagonal wheels and among the wheels, and is applicable to various large-and-small all-wheel drive full-time vehicles.
Description
Technical field
The utility model relates to a kind of differential-twist driving device, is to finish vehicle to run with the means of pure machinery, finishes according to the speed difference of required propulsive effort of state of ground and Ackermann steer angle that differential, difference are turned round, skidproof a kind of transmission field.
Background technology
Up to the present, automobile adopts the mode that installs diff on propons or back axle additional to carry out torsion and differentia transmission usually, and this type of automobile is in muddy highway, ice and snow road, rugged location, and wheel is easy to skid, and can't walk.For this reason, many bridges multiple-wheel drive occurs, but also can only be a plurality of and ground-surface condition of adhering to, do not solved between the wheel power distribution Problem of Failure that under the very poor condition of road conditions, produces equally, i.e. the character 2n=n of diff
1+ n
2, as a side n
1Or n
2There is adhesive ability not have rotating speed when being zero, the n of opposite side
1Or n
2Fast idle does not have adhesive ability, and automobile just can't be walked.
Granted publication is number for the patent of invention of CN 1225374C discloses a kind of frequently interlocked universal differential driver, and it mainly is to be made of four difies: middle central composite differential, and each connects its two ends with a diff; One of two semiaxis of diff are solid semiaxis, and another is a hollow half axle, and wherein hollow half axle and hollow half axle, solid semiaxis and solid semiaxis link to each other with wheel on the diagonal line respectively; The solid semiaxis of two a difies end separately connects together by the two-semiaxle gear of differential in the central authorities; The series connected differential casing engagement in outer differential side gear of central authorities and two ends, it is characterized in that: described device also comprises two power distribution devices, the two ends diff links to each other with wheel by described power distribution device, central authorities' composite differential is sleeved on together by an outer differential of a shared bearing pin and an interior differential and constitutes, two semiaxis link to each other with two axle side gears respectively, solid semiaxis is connected with solid axle side gear, hollow half axle is with after the hollow half axle gear is connected, pass solid axle side gear by solid semiaxis and be nested together, and draw from the outside, two ends respectively.This device inactivity circulation, in the desert, the location, marsh travels, the opportunity of wheel slip is few, can obviously improve the crossing ability of vehicle.But when walking, still there is the problem of tyre skidding in the most extreme Wu Lu location.
Summary of the invention
Adhere to condition automobile problem of skidding when minimum in order to solve existing frequently interlocked universal differential driver front and rear wheel and monolateral wheel in the one side, the utility model proposes differential-twist driving device.
The technical solution of the utility model is: differential-twist driving device is characterized in that: be made up of main reduction gear, interaxle differential, preceding diff, back diff, intermediary's diff and anti-skidding composite differential, a power-transfer clutch;
Interaxle differential is given in the driving gear of main reduction gear and ring gear engagement power transmission, and this interaxle differential is made up of housing, planetary wheel, center cross, half front axle gear ring, half-rear axle gear ring; The housing and the half front axle gear ring in the interaxle differential of preceding diff are shared, the cross frame of preceding diff is fixed on the half front axle gear ring, bevel planet gear before the suit on the preceding cross frame, and with preceding hollow drive shaft gear and preceding solid drive shafts gear constant-mesh simultaneously, a front-wheel walking of solid drive shafts gear, driving automobile before preceding solid drive shafts is connected, another front-wheel walking of hollow drive shaft gear drive;
Be provided with female splines and cylindrical spline in the tail end circular groove of the solid drive shafts gear in the preceding diff, overriding clutch ring, internal overrunning coupler ring outside female splines in circular groove and cylindrical spline place are set with respectively, an end of overriding clutch ring, internal overrunning coupler ring is provided with compression spring I, compression spring II outside, and compression spring I, compression spring II are contained in the tail end circular groove of solid drive shafts gear; The other end of overriding clutch ring, internal overrunning coupler ring is provided with unidirectional power transmission tooth outside, respectively with anti-skidding composite differential in compound power transmission gear ring and the unidirectional power transmission dental articulation of compound unofficial biography powershift gear one end; The housing of back diff and the half-rear axle gear ring in the interaxle differential are shared, back cross frame is fixed on the half-rear axle gear ring, bevel planet gear and mesh simultaneously behind the suit on the back cross frame with two-sided finishing bevel gear cuter and back hollow drive shaft gear, solid drive shafts after two-sided finishing bevel gear cuter is connected drives the rear flank wheel walking of automobile; The opposite side trailing wheel walking of back hollow drive shaft gear drive automobile; The anti-skidding composite differential that contains in the interaxle differential constitutes compound cross bar by inner ring sleeve, outer ring set, bearing pin, it is a rigid body that inner planet finishing bevel gear cuter in the anti-skidding composite differential and outer planet finishing bevel gear cuter are connected, be sleeved on the compound cross bar, the endoporus spline of compound cross bar is connected with an end of back solid drive shafts; One end of compound unofficial biography powershift gear is tapered gear and outer planet finishing bevel gear cuter constant-mesh, its other end is unidirectional power transmission tooth and the interlock of internal overrunning coupler ring, one end of compound power transmission gear ring is tapered gear and outer planet finishing bevel gear cuter constant-mesh, and its other end is unidirectional power transmission tooth and the interlock of outer overriding clutch ring; Inner planet finishing bevel gear cuter and compound interior power transmission gear constant-mesh, it is a rigid body that compound interior power transmission gear and intermediary's axle side gear are connected by the spline hollow shaft; Middle poor bevel planet gear constant-mesh in intermediary's axle side gear and the intermediary's diff, middle poor bevel planet gear in intermediary's diff and two-sided finishing bevel gear cuter constant-mesh; Two-sided finishing bevel gear cuter again with the back bevel planet gear constant-mesh of back in the diff, the back bevel planet gear in the back diff again with back hollow half axle gear mesh;
Intermediary's diff by middle poor cross frame with in being sleeved on difference on the cross frame middle poor bevel planet gear and constituted with the intermediary's axle side gear and the two-sided finishing bevel gear cuter of middle poor bevel planet gear constant-mesh, in the difference cross frame be fixed on the half-rear axle gear ring in the interaxle differential, with the shared housing of back diff; Two-sided finishing bevel gear cuter promptly is an end axle side gear of intermediary's diff, is again an axle side gear of back diff, and is fixed together with the back solid drive shafts; Then an end of solid drive shafts and the compound cross bar in the anti-skidding composite differential are affixed is a rigid body;
Power-transfer clutch is positioned at the front portion of interaxle differential, and be provided with the square tooth of clutch at the front end of the housing of interaxle differential, the tail end of the half front axle gear ring in interaxle differential is provided with spline, clutch sleeve is contained on the spline, and the square tooth of clutch of the front end setting of the housing in power-transfer clutch and the interaxle differential is separated or interlock by the external force effect.
The sliding mechanism of control: the unidirectional power transmission dental articulation control front-wheel of the unidirectional power transmission tooth of compound unofficial biography powershift gear one end of anti-skidding composite differential and the solid axle side gear in the preceding diff skids, and its another compound in the power transmission gear link to each other with intermediary's axle side gear in the intermediary differential, by the back hollow drive shaft gear of two-sided finishing bevel gear cuter control back diff, control a rear wheels slip; Two-sided finishing bevel gear cuter, compound cross bar link to each other another rear wheels slip of Control of Automobile with the solid semiaxis in back.
Beneficial effect: described differential-twist driving device is by a plurality of diff interconnection, each wheel of difference power distribution independent drive, according to ground-surface adhering to changing moment of torsion, rotating speed unequal distribution and the energy automatic compensation that solves the forward and backward wheel of vehicle, can realize differential between forward and backward bridge, differential between wheel is to the horn ring differential; Anti-skidding between forward and backward bridge, to anti-skidding between the horn ring, the wheel between anti-skidding.This differential-twist driving device is at multiple complex-terrain, can both give full play to each wheel drive force and turns to freely as express highway and ice, snow, muddy water ground straight line or the walking of turning, and is applicable to that various large and small tonnages drive full-time vehicle entirely.
Description of drawings
Fig. 1 is the structure cutaway view of differential-twist driving device.
Fig. 2 is that the J place refers to the partial enlarged drawing that square frame is interior among Fig. 1.
Fig. 3 is that the K place refers to the partial enlarged drawing that square frame is interior among Fig. 1.
Fig. 4 is the cutaway view of the differential-twist driving device of Fig. 1 along A-A.
The specific embodiment
Shown in Fig. 1,2,3,4, description the utility model is as follows: differential-twist driving device is characterized in that: be made up of main reduction gear, interaxle differential A, preceding diff B, back diff C, the diff D of intermediary and anti-skidding composite differential E, several parts of power-transfer clutch H;
The driving gear 1 of main reduction gear is given interaxle differential A with ring gear 2 engagement power transmissions, and this interaxle differential A is made up of housing 3, planetary wheel 4, center cross 5, half front axle gear ring 6, half-rear axle gear ring 7; Housing and the half front axle gear ring 6 among the interaxle differential A of preceding diff B are shared, preceding cross frame 8 among the preceding diff B is fixed on the half front axle gear ring 6, bevel planet gear 9 before the suit on the preceding cross frame 8, and with preceding hollow drive shaft gear 10 and preceding solid drive shafts gear 11 constant-mesh simultaneously, a front-wheel walking of solid drive shafts gear 11, driving automobile before preceding solid drive shafts 12 is connected, hollow drive shaft gear 10 drives another front-wheels and walks; Be provided with female splines F and cylindrical spline G in the tail end circular groove of the solid drive shafts gear 11 among the preceding diff B, overriding clutch ring 13, internal overrunning coupler ring 14 outside female splines F place in circular groove and cylindrical spline G place are set with respectively, an end of overriding clutch ring 13, internal overrunning coupler ring 14 is provided with compression spring I 15, compression spring II 16 outside, and compression spring I 15, compression spring II16 are contained in the tail end circular groove of solid drive shafts gear 11; The other end of overriding clutch ring 13, internal overrunning coupler ring 14 is provided with unidirectional power transmission tooth outside, respectively with anti-skidding composite differential E in compound power transmission gear ring 29 and the unidirectional power transmission dental articulation of compound unofficial biography powershift gear 27 1 ends; Half-rear axle gear ring 7 among the housing of back diff C and the interaxle differential A is shared, back cross frame 17 is fixed on the axle side gear ring 7, on the back cross frame 17 behind the suit bevel planet gear 18 and with two-sided finishing bevel gear cuter 19 and back hollow drive shaft gear 20 constant-mesh simultaneously, solid drive shafts 21 after two-sided finishing bevel gear cuter 19 is connected, drive the rear flank wheel walking of automobile, back hollow drive shaft gear 20 drives the trailing wheel walking of automobile opposite side; The anti-skidding composite differential E that contains in the interaxle differential A constitutes compound cross bar by inner ring sleeve 22, outer ring set 23, bearing pin 24, it is a rigid body that inner planet finishing bevel gear cuter 25 among the anti-skidding composite differential E is connected with outer planet finishing bevel gear cuter 26, be sleeved on the compound cross bar, the endoporus spline of compound cross bar is connected with an end of back solid drive shafts 21; One end of compound unofficial biography powershift gear 27 is tapered gear and outer planet finishing bevel gear cuter 26 constant-meshes, and the other end of compound unofficial biography powershift gear 27 is unidirectional power transmission tooth and the interlock of internal overrunning coupler ring; One end of compound power transmission gear ring 29 is tapered gear and outer planet finishing bevel gear cuter 26 constant-meshes, and the other end of compound power transmission gear ring 29 is unidirectional power transmission tooth and the interlock of outer overriding clutch ring; Inner planet finishing bevel gear cuter and 25 compound interior power transmission gear 28 constant-meshes, it is a rigid body that compound interior half power transmission gear 28 is connected by spline hollow shaft 30 with intermediary's axle side gear 31, the bevel planet gear constant-mesh among intermediary's axle side gear 31 and the diff D of intermediary; Bevel planet gear among the diff D of intermediary and two-sided finishing bevel gear cuter 19 constant-meshes, two-sided finishing bevel gear cuter 19 again with back diff C in back bevel planet gear 18 constant-meshes, the back bevel planet gear 18 among the back diff C meshes with back hollow half axle gear 20 again;
The diff D of intermediary is the middle poor bevel planet gear 33 on the difference cross frame 32 and constituted with the intermediary's axle side gear 31 and the two-sided finishing bevel gear cuter 19 of middle poor bevel planet gear 33 constant-meshes by middle poor cross frame 32 with in being sleeved on, and middle poor cross bar is fixed on the half-rear axle gear ring 7 among the interaxle differential A; Two-sided finishing bevel gear cuter 19 promptly is the end axle side gear of the diff D of intermediary, it is again the axle side gear of back diff C, and with the back solid drive shafts 21 be fixed together, then the compound cross frame of an end of solid drive shafts 21 and anti-skidding composite differential E is affixed is a rigid body, front end at the housing 3 of interaxle differential A is provided with the square tooth of power-transfer clutch, the tail end of the half front axle gear ring 6 in interaxle differential A is provided with spline, power-transfer clutch H34 is sleeved on the spline, and the square tooth of clutch of the front end setting of the housing among power-transfer clutch H34 and the interaxle differential A is separated or interlock by the external force effect;
The unidirectional power transmission dental articulation control front-wheel of the unidirectional power transmission tooth of compound unofficial biography powershift gear 27 1 ends of anti-skidding composite differential E and solid drive shafts gear 11 1 ends among the preceding diff B skids, and its another compound in power transmission gear 28 link to each other with intermediary's axle side gear 31 among the differential D of intermediary, by the back hollow drive shaft gear 20 among the two-sided finishing bevel gear cuter 19 control back diff C, control a rear wheels slip; And two-sided finishing bevel gear cuter 19, compound cross bar link to each other another rear wheels slip of Control of Automobile with back solid drive shafts 21.
Claims (1)
1. differential-twist driving device is characterized in that: be made up of main reduction gear, interaxle differential (A), preceding diff (B), back diff (C), intermediary's diff (D) and an anti-skidding composite differential (E), power-transfer clutch (H);
Interaxle differential (A) is given in the driving gear of main reduction gear and ring gear engagement power transmission, and this interaxle differential (A) is made up of housing, planetary wheel, center cross, half front axle gear ring, half-rear axle gear ring; The housing and the half front axle gear ring in the interaxle differential (A) of preceding diff (B) are shared, the cross frame of preceding diff (B) is fixed on the half front axle gear ring, bevel planet gear before the suit on the preceding cross frame, and with preceding hollow drive shaft gear and preceding solid drive shafts gear constant-mesh simultaneously, a front-wheel walking of solid drive shafts gear, driving automobile before preceding solid drive shafts is connected, another front-wheel walking of hollow drive shaft gear drive;
Be provided with female splines and cylindrical spline in the tail end circular groove of the solid drive shafts gear in the preceding diff (B), overriding clutch ring, internal overrunning coupler ring outside female splines in circular groove and cylindrical spline place are set with respectively, an end of overriding clutch ring, internal overrunning coupler ring is provided with compression spring I, compression spring II outside, and compression spring I, compression spring II are contained in the tail end circular groove of solid drive shafts gear; The other end of overriding clutch ring, internal overrunning coupler ring is provided with unidirectional power transmission tooth outside, respectively with anti-skidding composite differential (E) in compound power transmission gear ring and the unidirectional power transmission dental articulation of compound unofficial biography powershift gear one end; Half-rear axle gear ring in the housing of back diff (C) and the interaxle differential (A) is shared, back cross frame is fixed on the half-rear axle gear ring, bevel planet gear and mesh simultaneously behind the suit on the back cross frame with two-sided finishing bevel gear cuter and back hollow drive shaft gear, solid drive shafts after two-sided finishing bevel gear cuter is connected drives the rear flank wheel walking of automobile; The opposite side trailing wheel walking of back hollow drive shaft gear drive automobile; The anti-skidding composite differential (E) that contains in the interaxle differential (A) constitutes compound cross bar by inner ring sleeve, outer ring set, bearing pin, it is a rigid body that inner planet finishing bevel gear cuter in the anti-skidding composite differential (E) and outer planet finishing bevel gear cuter are connected, be sleeved on the compound cross bar, the endoporus spline of compound cross bar is connected with an end of back solid drive shafts; One end of compound unofficial biography powershift gear is tapered gear and outer planet finishing bevel gear cuter constant-mesh, its other end is unidirectional power transmission tooth and the interlock of internal overrunning coupler ring, one end of compound power transmission gear ring is tapered gear and outer planet finishing bevel gear cuter constant-mesh, and its other end is unidirectional power transmission tooth and the interlock of outer overriding clutch ring; Inner planet finishing bevel gear cuter and compound interior power transmission gear constant-mesh, it is a rigid body that compound interior power transmission gear and intermediary's axle side gear are connected by the spline hollow shaft; Middle poor bevel planet gear constant-mesh in intermediary's axle side gear and the intermediary's diff (D), middle poor bevel planet gear in intermediary's diff (D) and two-sided finishing bevel gear cuter constant-mesh; Two-sided finishing bevel gear cuter again with back diff (C) in back bevel planet gear constant-mesh, the back bevel planet gear in the back diff (C) again with back hollow half axle gear mesh;
Intermediary's diff (D) by middle poor cross frame with in being sleeved on difference on the cross frame middle poor bevel planet gear and constituted with the intermediary's axle side gear and the two-sided finishing bevel gear cuter of middle poor bevel planet gear constant-mesh, in the difference cross frame be fixed on the half-rear axle gear ring in the interaxle differential (A), with the shared housing of back diff (C); Two-sided finishing bevel gear cuter promptly is an end axle side gear of intermediary's diff (D), is again an axle side gear of back diff (C), and is fixed together with the back solid drive shafts; Then the compound cross bar in an end of solid drive shafts and the anti-skidding composite differential (E) is affixed is a rigid body;
Power-transfer clutch (H) is positioned at the front portion of interaxle differential (A), and be provided with the square tooth of clutch at the front end of the housing of interaxle differential (A), the tail end of the half front axle gear ring in interaxle differential (A) is provided with spline, power-transfer clutch (H) is sleeved on the spline, and the square tooth of clutch that the front end of the housing in power-transfer clutch (H) and the interaxle differential (A) is provided with is separated or interlock by the external force effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200862722U CN201784461U (en) | 2009-06-07 | 2009-06-07 | Differential torque transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200862722U CN201784461U (en) | 2009-06-07 | 2009-06-07 | Differential torque transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201784461U true CN201784461U (en) | 2011-04-06 |
Family
ID=43816440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200862722U Expired - Lifetime CN201784461U (en) | 2009-06-07 | 2009-06-07 | Differential torque transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201784461U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905651A (en) * | 2009-06-07 | 2010-12-08 | 周殿玺 | Differential-twist driving device |
| CN109404507A (en) * | 2017-08-16 | 2019-03-01 | 十堰戎马汽车特种传动有限公司 | A kind of main reducer of middle axle assembly |
| CN109854703A (en) * | 2017-11-30 | 2019-06-07 | 贵州凯星液力传动机械有限公司 | A kind of distribution torsion type inter-axle differential for off-road vehicle |
| CN110979331A (en) * | 2019-12-19 | 2020-04-10 | 潍柴动力股份有限公司 | Control method and system for wheel slip |
-
2009
- 2009-06-07 CN CN2009200862722U patent/CN201784461U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905651A (en) * | 2009-06-07 | 2010-12-08 | 周殿玺 | Differential-twist driving device |
| CN109404507A (en) * | 2017-08-16 | 2019-03-01 | 十堰戎马汽车特种传动有限公司 | A kind of main reducer of middle axle assembly |
| CN109404507B (en) * | 2017-08-16 | 2024-04-16 | 十堰戎马汽车特种传动有限公司 | Main reducer assembly of intermediate axle |
| CN109854703A (en) * | 2017-11-30 | 2019-06-07 | 贵州凯星液力传动机械有限公司 | A kind of distribution torsion type inter-axle differential for off-road vehicle |
| CN110979331A (en) * | 2019-12-19 | 2020-04-10 | 潍柴动力股份有限公司 | Control method and system for wheel slip |
| CN110979331B (en) * | 2019-12-19 | 2021-08-20 | 潍柴动力股份有限公司 | Control method and system for wheel slip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110406 |
|
| CX01 | Expiry of patent term |