CN202091461U - Composite differential torque distributor - Google Patents
Composite differential torque distributor Download PDFInfo
- Publication number
- CN202091461U CN202091461U CN 201120205705 CN201120205705U CN202091461U CN 202091461 U CN202091461 U CN 202091461U CN 201120205705 CN201120205705 CN 201120205705 CN 201120205705 U CN201120205705 U CN 201120205705U CN 202091461 U CN202091461 U CN 202091461U
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- Prior art keywords
- gear
- differential
- differential mechanism
- diameter
- planetary pinion
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- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
- B60K17/346—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/36—Arrangement or mounting of transmissions in vehicles for driving tandem wheels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The utility model relates to a composite differential torque distributor, which includes a power input shaft, a composite differential gear and a transfer gear, wherein the power input shaft is fixedly connected with the composite differential gear; the transfer gear is connected with a power output end of the composite differential gear; the composite differential gear consists of a first differential gear and a second differential gear which are connected in series as well as a housing accommodating the first and the second differential gears; and both the first and the second differential gears are asymmetric differential gears. By adopting the composite differential gear formed by connecting the asymmetric differential gears in series, the torque distribution problem of front and rear axles of the automobile is solved, effective torque can be fully utilized under any working condition, the automobile has sufficient traction force, and oil is saved.
Description
Technical field
The utility model belongs to the transmission field of wheeled vehicle, relates to a kind of compound differential torque divider.
Background technique
The patent No. is the composite high-passage differential transmission mechanism of ZL98100725.2, and its technology contents is when solving that four-wheel drive car was walked at that time on muddy mud ground face, connects propons with the manual operation transfer case.When walking on road surface preferably, manual operation makes power break away from a kind of liberation of front drive axle.This patented technology can make four-wheel driven car 4 wheel driven often, need not manually to take off or connect the working procedure of propons, can solve the non-slip and non-slip problem of front and back wheel of automobile diagonal angle wheel, and it has improved the passing capacity of automobile and handiness.
Then on the basis of above-mentioned technology by making the separately-driven function of front-wheel and trailing wheel, change the indissociable driving mode of front-wheel and trailing wheel into, a kind of AWD differential driver (patent No. ZL2006200963024) has been proposed.
What all adopt in above-mentioned all technology is symmetric type taper satellite differential, and the characteristic of symmetric type differential mechanism is: two-semiaxle gear output torque equates that the two-semiaxle output torque changes with working environment.Therefore, when the traction of a wheel during less than other wheel face adhesion, the driving force of the differential gear that is connected with this wheel is little, thereby influence another differential gear output torque, cause the ground surface driving power of the wheel of the adhesion of face significantly that is connected with this another differential gear to reduce to reach balance.For example at automobile when going up a slope, front-wheel is less at adhesion, the driving force that trailing wheel will occur equals the driving force situation of front-wheel, has influenced the usefulness of the normal operation of vehicle.
Therefore, the unreasonable problem of the torque distribution that exists in the technique scheme is necessary further perfect.
Summary of the invention
The utility model is in order to solve the irrational problem of compound asymmetric differential mechanism torque distribution in the above-mentioned prior art, and propose a kind of can according to vehicle class and environmental working condition under steam can reasonable distribution torsion, improve the compound differential torque divider of engine operation efficient.
Above-mentioned compound differential torque divider, compound differential torque divider comprises power input shaft, composite differential and transfer gear; The fixedly connected described composite differential of described power input shaft, described transfer gear connects described composite differential clutch end; Described composite differential comprises first differential mechanism and second differential mechanism of series connection and accommodates first differential mechanism and the housing of second differential mechanism; Described first differential mechanism and second differential mechanism are asymmetric differential mechanism.
Described compound differential torque divider, wherein: described first differential mechanism comprises planet stent, planetary pinion, first differential gear and second differential gear; The planet stent mount is fixedlyed connected with power input shaft on housing; Planetary pinion is two bevel gears of diameter difference, one, is sleeved on the planet stent, forms turriform; The first differential gear diameter is less, with in the planetary pinion than the engagement that is complementary of the bevel gear of minor diameter; Second differential gear is solid differential gear, and diameter is bigger, with the engagement that is complementary of larger-diameter bevel gear in the planetary pinion; Described second differential mechanism comprises planet stent, planetary pinion, the 3rd differential gear and the 4th differential gear; The planet stent mount is on housing; Planetary pinion is two bevel gears of diameter difference, one, is sleeved on the planet stent, forms turriform; The 3rd differential gear is the hollow half axle gear, and diameter is bigger, is sleeved on second side gear shaft of first differential mechanism, with the engagement that is complementary of larger-diameter bevel gear in the planetary pinion; The 4th differential gear is the hollow half axle gear, is socketed in all external diameters of the 3rd differential gear, and the 4th differential gear diameter is less, with in the planetary pinion than the engagement that is complementary of the bevel gear of minor diameter.
Described compound differential torque divider, wherein: described transfer gear has four pairs, part on the left side before comprising the moving gear pair, preceding part on the right side the moving gear pair, after part on the left side moving gear secondary and after part the moving gear pair on the right side; The driving gear that parts the moving gear pair before described on the left side meshes first differential gear of first differential mechanism, left wheel before driven gear connects; The driving gear that parts the moving gear pair after described on the right side meshes second differential gear of first differential mechanism, and driven gear connects the right wheel in back; The driving gear that parts the moving gear pair before described on the right side meshes the 4th differential gear of second differential mechanism, right wheel before driven gear connects; The driving gear that parts the moving gear pair after described on the left side meshes the 3rd differential gear of second differential mechanism, and driven gear connects the back left wheel.
Compound differential torque divider of the present utility model, owing to adopted asymmetric differential mechanism series connection composite differential, thus solve the propons and the back axle torque distribution problem of vehicle.Automobile is in load-carrying is travelled, the driving force of trailing wheel demand is greater than front-wheel drive power, car weight shifts to trailing wheel when going up a slope, and trailing wheel more needs enough its usefulness of driving force competence exertion, can make full use of engine output torque is finished transmission by compound differential torque divider task.Promptly be in upward slope, descending and level road, can both make full use of effective torque, make automobile that enough tractive force be arranged, and reached the purpose of fuel-economizing.
Description of drawings
Fig. 1 is the structure principle chart of the compound differential torque divider of the utility model.
Fig. 2 is applied in vehicle chassis annexation figure for the compound differential torque divider of the utility model.
Embodiment
As shown in Figure 1 and Figure 2, compound differential torque divider of the present utility model comprises power input shaft 1, composite differential 2 and transfer gear 3.
Power input shaft 1 passes to composite differential 2 by the fixedly connected composite differential 2 of fastening pieces such as spline with moment of torsion.
First differential mechanism 21 comprises planet stent 211, planetary pinion 212, first differential gear 213 and second differential gear 214.Planet stent 211 mounts are fixedlyed connected with power input shaft 1 on housing 23.Planetary pinion 212 is two bevel gears of diameter difference, one, is sleeved on the planet stent 211, forms turriform.First differential gear, 213 diameters are less, with in the planetary pinion 212 than the engagement that is complementary of the bevel gear of minor diameter.Second differential gear 214 is solid differential gear, and diameter is bigger, with the engagement that is complementary of larger-diameter bevel gear in the planetary pinion 212.
Second differential mechanism 22 comprises planet stent 221, planetary pinion 222, the 3rd differential gear 223 and the 4th differential gear 224.Planet stent 221 mounts are on housing 23.Planetary pinion 222 is two bevel gears of diameter difference, one, is sleeved on the planet stent 221, forms turriform.The 3rd differential gear 223 is the hollow half axle gear, and diameter is bigger, is sleeved on second side gear shaft 214 of first differential mechanism 21, with the engagement that is complementary of larger-diameter bevel gear in the planetary pinion 222.The 4th differential gear 224 is the hollow half axle gear, is socketed in all external diameters of the 3rd differential gear 223, and the 4th differential gear 224 diameters are less, with in the planetary pinion 222 than the engagement that is complementary of the bevel gear of minor diameter.
Transfer gear 3 has four pairs, part on the left side before comprising moving gear pair 31, preceding part on the right side moving gear pair 32, after part on the left side moving gear secondary 33 and after part moving gear pair 34 on the right side.
Wherein, the preceding driving gear that parts moving gear pair 31 on the left side meshes first differential gear 213 of first differential mechanism 21, left wheel before driven gear connects; After part moving gear pair 34 on the right side driving gear mesh second differential gear 214 of first differential mechanism 21, driven gear connects the right wheel in back.
Before part moving gear pair 32 on the right side driving gear mesh the 4th differential gear 224 of second differential mechanism 22, right wheel before driven gear connects; After part moving gear pair 33 on the left side driving gear mesh the 3rd differential gear 223 of second differential mechanism 22, driven gear connects the back left wheel.
Working principle:
Power input shaft 1 is fixedlyed connected with the center of the planet stent 211 of first differential mechanism 21, moment of torsion is passed on the housing 23 of differential mechanism 2, drives first differential mechanism 21 and 22 work of second differential mechanism thereby housing 23 is rotated.
The working procedure of first differential mechanism 21: the less planetary pinion of diameter meshes first differential gear 213 in the planetary pinion 212, first differential gear 213 connects preceding left wheel by preceding parting moving gear secondary 31 on the left side, less moment of torsion is passed to meet the required drive force automobile traveling that adheres to condition; In the planetary pinion 212 major diameter awl planetary pinion mesh second differential gear, 214, the second differential gears 214 by after part moving gear secondary 34 on the right side and connect the right wheel in back, will bigger moment of torsion pass to and meet the required drive force automobile traveling that adheres to condition; Make first differential gear 213 and the preceding left side of second differential gear, 214 formation, the right side, back of first differential mechanism be the diagonal angle and drive, satisfy forward and backward differential, left and right differential, big, the preceding little driving demand in also satisfied back of while.
The working procedure of second differential mechanism 22: the major diameter awl planetary pinion in the planetary pinion 222 meshes the 3rd differential gear 223, the 3rd differential gear 223 by after part moving gear secondary 33 on the left side and connect the back left wheels, will bigger moment of torsion pass to and meet the required moment of torsion that adheres to condition, drive automobile traveling; Minor diameter awl planetary pinion in the planetary pinion 222 meshes the 4th differential gear 224, the four differential gears 224 and connects preceding right wheel by preceding parting moving gear secondary 32 on the right side, less moment of torsion is passed to meet the required moment of torsion that adheres to condition, drives automobile traveling; Right before the 3rd side gear shaft 223 of second differential mechanism 22 and the 4th differential gear 224 are formed a, left side, back is the diagonal angle and drives, the diagonal angle differential on right before satisfying a, left side, back, front, rear, left and right differential, the driving force demand little before satisfying, that the back is big.
Non-so limitation protection scope of the present invention so use the equivalence techniques variation that specification of the present invention and diagramatic content do such as, all is contained in protection scope of the present invention.
Claims (3)
1. a compound differential torque divider comprises power input shaft, composite differential and transfer gear; The fixedly connected described composite differential of described power input shaft, described transfer gear connects described composite differential clutch end; It is characterized in that:
Described composite differential comprises first differential mechanism and second differential mechanism in parallel and accommodates first differential mechanism and the housing of second differential mechanism; Described first differential mechanism and second differential mechanism are asymmetric differential mechanism.
2. compound differential torque divider as claimed in claim 1 is characterized in that: described first differential mechanism comprises planet stent, planetary pinion, first differential gear and second differential gear; The planet stent mount is fixedlyed connected with power input shaft on housing; Planetary pinion is two bevel gears of diameter difference, one, is sleeved on the planet stent, forms turriform; The first differential gear diameter is less, with in the planetary pinion than the engagement that is complementary of the bevel gear of minor diameter; Second differential gear is solid differential gear, and diameter is bigger, with the engagement that is complementary of larger-diameter bevel gear in the planetary pinion;
Described second differential mechanism comprises planet stent, planetary pinion, the 3rd differential gear and the 4th differential gear; The planet stent mount is on housing; Planetary pinion is two bevel gears of diameter difference, one, is sleeved on the planet stent, forms turriform; The 3rd differential gear is the hollow half axle gear, and diameter is bigger, is sleeved on second side gear shaft of first differential mechanism, with the engagement that is complementary of larger-diameter bevel gear in the planetary pinion; The 4th differential gear is the hollow half axle gear, is socketed in all external diameters of the 3rd differential gear, and the 4th differential gear diameter is less, with in the planetary pinion than the engagement that is complementary of the bevel gear of minor diameter.
3. compound differential torque divider as claimed in claim 1, it is characterized in that: described transfer gear has four pairs, part on the left side before comprising the moving gear pair, preceding part on the right side the moving gear pair, after part on the left side moving gear secondary and after part the moving gear pair on the right side;
The driving gear that parts the moving gear pair before described on the left side meshes first differential gear of first differential mechanism, left wheel before driven gear connects;
The driving gear that parts the moving gear pair after described on the right side meshes second differential gear of first differential mechanism, and driven gear connects the right wheel in back;
The driving gear that parts the moving gear pair before described on the right side meshes the 4th differential gear of second differential mechanism, right wheel before driven gear connects;
The driving gear that parts the moving gear pair after described on the left side meshes the 3rd differential gear of second differential mechanism, and driven gear connects the back left wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120205705 CN202091461U (en) | 2011-06-17 | 2011-06-17 | Composite differential torque distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120205705 CN202091461U (en) | 2011-06-17 | 2011-06-17 | Composite differential torque distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202091461U true CN202091461U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120205705 Expired - Lifetime CN202091461U (en) | 2011-06-17 | 2011-06-17 | Composite differential torque distributor |
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| CN (1) | CN202091461U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975608A (en) * | 2012-11-02 | 2013-03-20 | 同济大学 | Hybrid electric vehicle drive and transmission system based on non-symmetric style planet bevel gear structure |
| CN102975607A (en) * | 2012-11-02 | 2013-03-20 | 同济大学 | Hybrid electric vehicle (HEV) drive and transmission system with asymmetric type planetary bevel gear mechanism as power coupling device |
| CN104626978A (en) * | 2015-03-12 | 2015-05-20 | 济南大学 | Automotive active differential machine drive axle |
| CN105966381A (en) * | 2016-06-15 | 2016-09-28 | 中国煤炭科工集团太原研究院有限公司 | Intelligent electronic inter-axle torque distribution control system and method for coal mine all-wheel drive vehicle |
| CN107477163A (en) * | 2017-09-27 | 2017-12-15 | 彭国洪 | Overcome imperfect three differential mechanism of institute |
| CN112032276A (en) * | 2019-06-03 | 2020-12-04 | 哈尔滨工业大学 | Six-shaft differential device based on gear transmission |
| CN112032275A (en) * | 2019-06-03 | 2020-12-04 | 哈尔滨工业大学 | Mechanical four-axis differential device |
-
2011
- 2011-06-17 CN CN 201120205705 patent/CN202091461U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975608A (en) * | 2012-11-02 | 2013-03-20 | 同济大学 | Hybrid electric vehicle drive and transmission system based on non-symmetric style planet bevel gear structure |
| CN102975607A (en) * | 2012-11-02 | 2013-03-20 | 同济大学 | Hybrid electric vehicle (HEV) drive and transmission system with asymmetric type planetary bevel gear mechanism as power coupling device |
| CN104626978A (en) * | 2015-03-12 | 2015-05-20 | 济南大学 | Automotive active differential machine drive axle |
| CN104626978B (en) * | 2015-03-12 | 2017-03-01 | 济南大学 | Vehicle active-type differential gearing vehicle bridge |
| CN105966381A (en) * | 2016-06-15 | 2016-09-28 | 中国煤炭科工集团太原研究院有限公司 | Intelligent electronic inter-axle torque distribution control system and method for coal mine all-wheel drive vehicle |
| CN105966381B (en) * | 2016-06-15 | 2019-05-14 | 中国煤炭科工集团太原研究院有限公司 | Coal mine four-wheel drive cars distribute control system and method with Intelligent electronic-type between centers torque |
| CN107477163A (en) * | 2017-09-27 | 2017-12-15 | 彭国洪 | Overcome imperfect three differential mechanism of institute |
| CN107477163B (en) * | 2017-09-27 | 2019-11-15 | 台州钻煌汽车零部件股份有限公司 | Differential mechanism |
| CN112032276A (en) * | 2019-06-03 | 2020-12-04 | 哈尔滨工业大学 | Six-shaft differential device based on gear transmission |
| CN112032275A (en) * | 2019-06-03 | 2020-12-04 | 哈尔滨工业大学 | Mechanical four-axis differential device |
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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: 20111228 |
|
| CX01 | Expiry of patent term |