CN101412369A - Apparatus for controlling speed variation of automobile by using differential mechanism - Google Patents
Apparatus for controlling speed variation of automobile by using differential mechanism Download PDFInfo
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- CN101412369A CN101412369A CNA2008102033131A CN200810203313A CN101412369A CN 101412369 A CN101412369 A CN 101412369A CN A2008102033131 A CNA2008102033131 A CN A2008102033131A CN 200810203313 A CN200810203313 A CN 200810203313A CN 101412369 A CN101412369 A CN 101412369A
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Abstract
The invention relates to an automatic speed-changing and gear shifting device. The device which controls speed change of an automobile through a differential mechanism comprises a gearbox (2) connected with a motor (4), a main reducing gear (11) connected with a driving wheel (1) and the differential mechanism (8) consisting of a shell shaft, a left half shaft and a right half shaft, wherein the shell shaft, left shaft and right shaft of the differential mechanism (8) are connected with an output shaft of the gearbox (2), an input shaft of the main reducing gear (11) and an output shaft of a rotary speed controller (6) randomly and respectively, and an electronic controller (7) is connected with and controls all parts. The device realizes synchronization of rotating speeds of a gear to be combined of the gearbox (2) and the output shaft of the gearbox (2), can change gears stably and smoothly, eliminates action of a clutch part, and has characteristics of smooth starting and gear shifting and advantages of high transmission efficiency, no wear due to lack of the clutch, improvement on the working efficiency of an engine and energy conservation. The device dose not requires a clutch pedal and avoids improper coordination of oil and the clutch causing switching off a motor and consequently causing troubles or accidents.
Description
(1) technical field
The present invention is a kind of device of Control of Automobile speed change, particularly relates to a kind of automobile hybrid power, utilizes diff to carry out the device of automatic speed changing gear shift.
(2) background technology
The human wisdom crystallization of constantly pursuing innovation in over one hundred year has been condensed in the birth of automobile, the developing of automobile industry sign is being weighed the level of the scientific and technical industrial development of a country, along with the reform and opening-up China auto-industry also obtain develop rapidly, automobile not only becomes the backbone industry of economic development, and having brought abundant facility to people's lives, automobile has begun to step into China ordinary people's family.
It is driving system that an important system is arranged in the automobile, and it has determined operability, the safety of vehicle drive, the traveling comfort of passenger, and people transform perfect in research constantly, thereby improve dynamic property, fuel economy and the gear shift ride comfort of automobile.
Driving engine is decided to turn round in the range of speed at a weighing apparatus substantially, but automobile need change speed in very big scope, therefore a change-speed box must be arranged, make its reach increase turn round deceleration, become distortion speed and neutral gear, the reversing effect, look back the developing history of change-speed box, think at present or traditional speed changer structure comparatively economical, reliable, practical.Volume is little because conventional manual change-speed box transmission system has, light weight, simple in structure, with low cost, advantage that driving efficiency is high, but shortcoming is that power-transfer clutch is arranged is that consume is big and the gearing friction loss is arranged, can not self shifter.
Change-speed box has gear; promptly advance several grades; other has reverse gear, neutral gear; each grade forms different revolution ratios and different rotation directions by the gear matched of the different numbers of teeth; automobile is in operation and has higher rotation speed, has level ground to change a gear, must be when spline and spline housing reach identical rotating speed could gear shift; make the travelling people comfortable, protect gear not damage spline housing and spline again.In order to reach this purpose, between driving engine and change-speed box, be provided with power-transfer clutch and synchro, i.e. the power that sends by driving engine, through the separation and the combination of power-transfer clutch, with the output shaft of driving engine through speed changer rear drive wheel.Power-transfer clutch generally moves clutch-plate in conjunction with transmitting by the principal and subordinate, when gear shift, must at first trample power-transfer clutch, cut off power, under unpowered situation, pull the change-speed box handle with hand, enter suitable class, corresponding spline and spline housing are meshing with each other, again in conjunction with power-transfer clutch, power is exported once more, provides suitable transmitting ratio to travel.
Though change-speed box is simple in structure, cost is low; speed change is reliable; waste of power is little, but tramples the big difficulty of power-transfer clutch in always driving, and having to of beginner taken plenty of time energy learning and mastering; but regular meeting makes a fault in the time of still; cut off and bad in conjunction with cooperating with the action of putting into gear on opportunity of power-transfer clutch, cause or engine off, perhaps engage a gear is not steady; cause and turn over after facing upward before the passenger, and power-transfer clutch also has wearing and tearing and power waste.
Automatic transmission with hydraulic torque converter can make automobile obtain good dynamic property and fuel efficiency according to the automatic conversion transmitting ratio of situations such as the engine load and the speed of a motor vehicle, and reduces engine emission and pollute.Automatic transmission control is easy, when vehicle is crowded, can improve the safety and the reliability of vehicle ' greatly, and therefore, present automobile is to develop towards the self-shifting direction.
The automatic transmission of prior art is to carry out the lifting gear automatically according to factors such as car speed, engine speed, living loads, do not need by the gear shift of driver's operated clutch, automatic transmission with hydraulic torque converter than the hand-operated transmission complexity many, have a lot of aspects inequality, but maximum difference is the control aspect.Hand-operated transmission is by the pilot control gear, and shift-up or downshift are by manual operation, and automatic transmission with hydraulic torque converter is by machine automatic guidance gear, and the conversion gear is undertaken by hydraulic control device.Hydraulic control device is according to the signal control lifting shelves that transport on throttle gate (throttle) aperture and the transmission output shaft.Change according to throttle opening, the control cock in the hydraulic control device produces the hydraulic pressure that is directly proportional with the acceleration pedal amount of depressing, and this hydraulic pressure is added to hydraulic control device as throttle opening " signal "; There is the governor pressure valve that is assemblied on the output shaft can produce the hydraulic pressure that is directly proportional with rotating speed (speed of a motor vehicle) in addition, is added to hydraulic control device as the speed of a motor vehicle " signal ".Therefore, the throttle opening " signal " and the speed of a motor vehicle " signal " are just arranged, hydraulic control device is according to these two " signal " automatically regulating change-speed box oil masses (gear), thus control gear shift opportunity.Chaufeur (Das Gaspedal) to put one's foot down in vehicle drive, the control throttle opening is the interior hydraulic control device of energy automatic control of transmission just, hydraulic control device can utilize fluid power to remove to control the power-transfer clutch and the drg of planetary gear system, to change planetary drive state.If electronic automatic transmission will increase electromagnetic valve on the basis of the above.ECU (Electrical Control Unit) is by solenoid control automatic transmission with hydraulic torque converter working process.The ECU input circuit is accepted the signal of sensor and other device input, and signal is carried out filtration treatment and amplification, converts electric signal then to and drives controlled electromagnetic valve work.The automatic transmission with hydraulic torque converter technology of today has significant development, still has nearly 10% gap but see from integral body the driving efficiency of automatic transmission with hydraulic torque converter is compared with change-speed box.The automatic shift device of prior art mainly comprises automatic transmission with hydraulic torque converter and the torque converter of being made up of planetary wheel, and this kind structural volume is big, mechanism's complexity, and Heavy Weight, energy consumption is big, the friction of torque converter heating energy-consumption braking sheet, slippage also is a kind of degradation of energy.
How to provide a kind of simple and reliable for structure, the saving energy, shifted pulsation-free automatic shift device is unremitting the pursuing one's goal of automotive field scientific research personnel all the time.
By retrieval, some patent application discloses a kind of by diff access driving engine, mixed motivity type structure between change-speed box and the motor, can realize the mechanism of driving engine and motor combination drive automobile, this configuration structure is simple relatively, but this type of disclosed patented technology still needs power-transfer clutch in speed change, the structure of power-transfer clutch causes having skimming wear as previously mentioned, consume certain power, the easy initiating failure of frictional heating, the improper meeting of clutch operating causes that oil from cooperating improper and flame-out generation trouble and accident, therefore still has and improves the needs that improve again again.
(3) summary of the invention
The objective of the invention is in conjunction with automatic transmission with hydraulic torque converter and hand-operated transmission advantage separately, adopt a kind of transmission of power configuration realization automobile variable speed that does not need power-transfer clutch, improve fuel economy and the smooth-going stable effect of gear shift.
Purpose of the present invention is solved by following technical scheme:
A kind of device that utilizes the differential controls automobile variable speed, comprise with driving engine bonded assembly change-speed box, with wheels bonded assembly main reduction gear and a diff that constitutes by housing shaft and left half axle, three axles of right axle shaft, it is characterized in that:
The housing shaft of described diff is connected with the output shaft of change-speed box, the input shaft of main reduction gear and the output shaft of rotational speed governor respectively arbitrarily with left half axle, right axle shaft, by electronic controller above-mentioned parts is electrically connected and control.
Diff is made of housing shaft and left half axle, three axles of right axle shaft, the structures shape of diff have a characteristic like this, promptly export from another root axle from an axle input,, then can change the rotating speed of output shaft if control the rotating speed of the 3rd axle when a constant rotating speed.According to this characteristic,
Three axles at diff are connected with the output shaft of change-speed box, the input shaft of main reduction gear and the output shaft of rotational speed governor respectively, by electronic controller above-mentioned parts are electrically connected and control.The output speed of control rotational speed governor just can change the transmission rotating speed of diff to main reduction gear, just can realize the purpose of wheels speed change.By the change of associated gear ratio, control according to program by electronic controller, can realize the speed change of automobile.
Further, time change-speed box is set between the input shaft of diff and main reduction gear, forms split type change-speed box technical scheme one.
Further, time change-speed box and tachogen are set between the output shaft of diff and rotational speed governor, form split type change-speed box technical scheme two.
Described change-speed box or inferior change-speed box are the hand-operated transmission structure.
Described rotational speed governor is damping control motor or fluid power controllable damping element or electromagnetism controllable damping element or drg.Adopt damping control motor, not only can regulate rotating speed Control of Automobile change-speed box synchronously but also can the damping generating.
Further, described damping control motor is that synchronous dynamo and damping motor or drive motor and/or starter motor and/or electrical generator are merged into a motor.In above technical scheme, adopt different motors to reach respectively, perhaps reach smooth shifting, control rotating speed, charging, driving automobile usefulness simultaneously.
Further, described damping control motor be synchronous dynamo and damping motor or drive motor and/or starter motor and/or electrical generator respectively by rotating shaft through gear or belt transmissioning mode parallel connection.Adopt in actual applications with the upper type structure and carry out parallel connection.
Described change-speed box or inferior change-speed box move gear by the spline that selector or inferior selector promote in change-speed box or the inferior change-speed box.The structure of change-speed box berth shifting action.
Further, described selector or inferior selector are electromagnetism push rod or hydraulic push rod type.Carry out gear shift by above dual mode.
Further, described selector or inferior selector connect control by electronic controller.By the information that electronic controller is gathered associated components, sensor, follow procedure instruction selector operation acts.
Further, described electronic controller is by manual selection gear.The present invention also provides and can carry out gear shift by the gear of manual selection electronic controller gear shift.
Between described rotational speed governor and diff, brake plate is set.When gear during at top-gear or fixing shelves, or the actuating spindle rotating speed is low during to a setting value, and locked brake plate can further improve driving efficiency or can use the damping of brake equipment direct control promptly to control the rotating speed of differential controls axle.Can select whether to adopt the brake plate structure as required.
On the input shaft of described change-speed box and output shaft, tachogen is set.In order to realize autoshift, need to gather information by sensor acquisition.
On the output shaft of described change-speed box and main reduction gear input shaft, tachogen is set.
Between each parts, connect by gear or belt speed reduction gearing respectively.The high rotating speed of driving engine must be slowed down by above speed reduction gearing.
The structure of diff mainly is made up of planetary wheel, semiaxis and housing etc., diff allows left and right half with different rotating speed rotations, in technical scheme of the present invention, with common differential design applied in any combination between driving engine, change-speed box, motor, produced a unexpected effectiveness, and, various combinations according to above technical scheme, the present invention can produce the automatic guidance speed change, the oil electricity mixes moving control speed change, manually controls speed change and four kinds of structures of auto-manual chemical control system speed change and effect.
Beneficial effect of the present invention:
The present invention has disposed a diff and has just reached by rotational speed governor and control to adjust between the output shaft of the input shaft of the output shaft of change-speed box, main reduction gear and rotational speed governor, realize that change-speed box treats combination gear and the synchronous purpose of transmission output speed, can be steadily, gearshift swimmingly.
The present invention has cancelled the action of clutch components, has starting, the smooth-going characteristics of gear shift, and gear shift need not clutch syn driving efficiency height, does not have power-transfer clutch also just not have skimming wear, has improved engine operation efficient, energy-conservation province energy.And the no-clutch pedal, can not stop working from mismate because of oil produces unnecessary trouble even accident.Combining automatic transmission with hydraulic torque converter and hand-operated transmission advantage separately, remove shortcoming separately, is a kind of desirable automatic shift device.
The present invention through direct drive wheel behind the diff, has avoided the mechanical transfer expenditure of energy of change-speed box, more efficient energy-saving when adopting motor as power driven.Certainly, when high rotating speed, increased the power performance of one the favourable motor of change-speed box.When inferior change-speed box is arranged on the diff mouth, can cooperates to provide with change-speed box and give driving engine speed change usefulness; When inferior change-speed box is arranged on the differential controls end, only gives motor wide region speed change and use.
The technical program design is unique, simple and ingenious structure, and function is many, and is in light weight, and the gear shift effect is steady, and driving efficiency is higher, cost is low.
(4) description of drawings
Fig. 1 utilizes the connection configuration schematic diagram of the device major part of differential controls automobile variable speed for the present invention;
Fig. 2 wherein uses the connection configuration schematic diagram of split type change-speed box scheme one major part for the present invention utilizes the device of differential controls automobile variable speed;
Fig. 3 wherein uses the connection configuration schematic diagram of split type change-speed box scheme two major parts for the present invention utilizes the device of differential controls automobile variable speed.
Among the figure, the 1st, wheel, the 2nd, change-speed box, the 4th, driving engine, the 5th, brake plate, the 6th, rotational speed governor, the 7th, electronic controller, the 8th, diff, the 9th, selector, the 10th, tachogen, 11 main reduction gears, the 12nd, tachogen, the 13rd, time selector, the 14th, time change-speed box, the 15th, tachogen.
(5) specific implementation method
Further describe structure of the present invention below in conjunction with accompanying drawing.
A kind of device that utilizes the differential controls automobile variable speed, comprise with driving engine 4 bonded assembly change-speed boxs 2, with wheels 1 bonded assembly main reduction gear 11 and a diff 8 that constitutes by housing shaft and left half axle, three axles of right axle shaft, the housing shaft of described diff 8 is connected with the output shaft of change-speed box 2, the input shaft of main reduction gear 11 and the output shaft of rotational speed governor 6 respectively arbitrarily with left half axle, right axle shaft, is electrically connected and control by 7 pairs of above-mentioned parts of electronic controller.
Wherein split type change-speed box scheme one in the scheme of above-mentioned connection configuration, is provided with time change-speed box 13 between the input shaft of diff 8 and main reduction gear (11).
Wherein split type change-speed box scheme two in the scheme of above-mentioned connection configuration, is provided with time change-speed box 13 and tachogen 14 between the output shaft of diff 8 and rotational speed governor 6.
Described change-speed box 2 or inferior change-speed box 13 are the hand-operated transmission structure.
Described rotational speed governor 6 is damping control motor or fluid power controllable damping element or electromagnetism controllable damping element or drg.
Further, described damping control motor is that synchronous dynamo and damping motor or drive motor and/or starter motor and/or electrical generator are merged into a motor.
Further, described damping control motor be synchronous dynamo and damping motor or drive motor and/or starter motor and/or electrical generator respectively by rotating shaft through gear or belt transmissioning mode parallel connection.
Described change-speed box 2 or inferior change-speed box 13 move gear by the spline that selector 9 or inferior selector 14 promote in change-speed box 2 or the inferior change-speed box 13.
Further, described selector 9 or inferior selector 14 are electromagnetism push rod or hydraulic push rod type.
Further, described selector 9 or inferior selector 14 connect control by electronic controller 7.
Further, described electronic controller 7 is by manual selection gear.
Between described rotational speed governor 6 and diff 8, brake plate 5 is set.
On the output shaft of described change-speed box 2 and main reduction gear 11 input shafts, tachogen 10,12 is set.
Between each parts, connect by gear or belt speed reduction gearing respectively.
The structure of diff is mainly by planetary wheel, composition such as semiaxis and housing, diff allows a left side, right axle shaft is with different rotating speed rotations, in technical scheme of the present invention, with common differential design applied in any combination in main reduction gear, change-speed box, between the rotational speed governor, a following complete beyond thought effect and effect have been produced, and various combinations according to above technical scheme, the present invention can produce the automatic guidance speed change, the oil electricity mixes moving control speed change, manually control speed change and four kinds of structures of auto-manual chemical control system speed change and effect, the action of its various configurations is carefully stated as follows:
One. as the automatic guidance speed change:
1. auto idle speed, neutral: at first start the engine 4, enter gear.Rotational speed governor 6 comprises that the control motor is in undamped or generating state has relative but less damping; Opposite side is owing to the output shaft of diff 8 keeps being connected by mechanical drive and drive wheel, therefore bear all vehicle start resistance to motions, damping is relatively very big, the idling of driving engine is all transferred on the control motor by diff 8, but automobile art skating but do not have the actv. propulsive effort, driving engine 4 keeps idling operations.
2. automobile starting normally moves/acceleration and deceleration: the pedal of stepping on the throttle, control motor damping power increases by certain curve with driving engine 4 output power curves.The dumping force size of control motor can directly be encouraged oneself by the control motor and be obtained and pass through controlling resistance to change, also can change as the electric energy generated of electrical generator by changing it, and come increment by reducing gear, thereby come the size of design gear ratio to obtain to control the corresponding force of actuating spindle of diff 8 apart from actuating spindle is controlled by the maximum damping torque of the control motor learnt, can reduce to control motor volume, power, burden like this, the speed of a motor vehicle arrives to a certain degree that gear cuts out from original retaining.
Carry out gear shift and can adopt two kinds of methods when synchronous, first rigorous method, it two is fuzzy pairing comparision, division is as follows:
Rigorous method:
Calculate next grade combination gear rotating speed by driving engine 4 present revolution counters, learn the present rotating speed of diff 8 output shafts by tachogen 12, to make change-speed box 2 output shafts combine the rotating speed that tooth synchro control motor needs with next grade by external gear in the diff 8 than calculating, make the control motor arrive this rotating speed, make change-speed box 2 output shafts and next shelves treat the combination gear synchronization, spline combination then enters next shelves.
Fuzzy pairing comparision:
Calculate next retaining by driving engine 4 present revolution counters and treat the present rotating speed of combination gear, detect transmission output speed by tachogen 10, change the control motor speed, detect transmission output speed until tachogen 10 and treat that with next shelves the combination gear rotating speed is identical, and keep, even change-speed box 2 output shafts and next retaining treat that combination gear is synchronous, enter next shelves.
When gear during at top-gear or fixing shelves, or the actuating spindle rotating speed is low during to a setting value, and locked brake plate 5 further improves driving efficiency or can use the damping of brake equipment direct control promptly to control the rotating speed of diff 8 actuating spindles.Can select whether to adopt brake plate 5 structures as required.
4. automotive reverse gear:
Under the idling situation, control control motor makes change-speed box 2 output shaft rotating speeds and change-speed box 2 reverse gearwheel synchronization, in conjunction with spline, and similar then vehicle starting mode.
5. braking automobile: the same with existing automobile, but can utilize this transmission system by the control engine speed, and make transmission shaft slide transmission of power and give the control motor, utilize and slide the energy brake generating.
6. automobile parking: locked brake plate 5, the gear incision utilizes driving engine 4 brakings to realize braking during standstill for one grade, and this braking during standstill adopts when engine off.
Two. mix moving control speed change as the oil electricity:
1. automobile starting: driving engine 4 does not start, and utilizes driving engine 4 or brake plate 5 locked diff 8 input shafts, utilizes the drive motor as rotational speed governor 6 directly to start automobile.Gear changing mode is the same with automatic type, can use automatic transmission startup, idling, the scheme of travelling during power shortage, by control motor or generator for electricity generation.Can form split type change-speed box scheme one and split type change-speed box scheme two by additional time change-speed box on the output shaft of diff 8 or input shaft, the synchronized gear shift method of these two schemes is similar to the automatic transmission car shift method in the patent of the present invention if needed.Can use time change-speed box shift when the rotational speed governor powered vehicle for scheme one, gear a spot of but the suitable rotational speed controller can be set in inferior change-speed box 14.The gear of change-speed box is because of the combination of considering time change-speed box and the final gear ratio that can form in this scheme.Gear number when using engine drive can be independent, also can cooperate time change-speed box 14 to use mutually.In shift process as need two change-speed boxs shift gears simultaneously can be earlier with behind one of the step gear shifting again with another change-speed box of step gear shifting.Uncorrelated mutually independent separately for two two change-speed boxs of scheme, can be respectively at rotational speed governor and each adaptive gear of engine design and gear ratio.When driving, uses by rotational speed governor time change-speed box 14.When driving, uses by driving engine 4 change-speed box 2.
2. automobile normally moves/acceleration and deceleration: when drive motor is driven into certain speed of a motor vehicle to automobile or power when not enough, drive motor begins the damping generating, engine starting, automobile switches to the engine drive pattern, the control motor produces distribution of dumping force controlling and driving power and generating by generating under driving engine 4 drive patterns, all the other are the same with control method under the automatic transmission pattern, when the battery electric power deficiency can't start to walk or support low cruise, the startup method is the same with the automatic transmission pattern, the charging of damping electric power generation.Also can adopt split type change-speed box scheme one and split type change-speed box scheme two.
4. automotive reverse gear: have that driving engine does not start under the situation of electricity, in conjunction with the reverse gear spline, the pedal of stepping on the throttle, drive motor produces power, direct drive vehicle backing; The same under the situation of power shortage with the automatic transmission reverse gear mode, and by drive motor generating, charging.Also can adopt split type change-speed box scheme one and split type change-speed box scheme two.
5. braking automobile: the same with existing automobile, but can utilize this transmission system by control driving engine 4 rotating speeds, and make transmission shaft slide transmission of power and give the control motor, utilize and slide the energy brake generating.
6. automobile parking: brake plate 5 among the locked figure, utilize one grade of gear incision driving engine 4 brakings to realize braking during standstill, and this braking during standstill adopts when engine off.
Three. as manual control speed change:
1. auto idle speed, neutral: the same with the automatic transmission pattern.
2. automobile starting normally moves/acceleration and deceleration: the same substantially with the automatic transmission pattern, just the gear of the opportunity of gear shift and selection is no longer selected by electronic controller 7 automatic guidances, but is selected by hand control switch control by chaufeur.
4. automotive reverse gear: the same with the automatic transmission pattern
5. braking automobile: the same with the automatic transmission pattern
6. automobile parking: the same with the automatic transmission pattern
Four. as auto-manual chemical control system speed change:
1. auto idle speed, neutral: the same with the automatic transmission pattern
2. automobile starting normally moves/acceleration and deceleration: the same substantially with the automatic transmission pattern, just many select switches, it is to be selected by electronic controller 7 automatic guidances that gear shift opportunity and gear are selected to be selected by hand switch by chaufeur, is still manually selected by chaufeur.
4. automotive reverse gear: the same with the automatic transmission pattern
5. braking automobile: the same with the automatic transmission pattern
6. automobile parking: the same with the automatic transmission pattern
Explanation about rotational speed governor: as previously mentioned, rotational speed governor of the present invention can adopt output shaft with machinery, electromagnetism, hydraulic way produces damping control rotating speed, realize the change adjustment of the present invention to the automobile actuating speed, in addition, can adopt motor as rotational speed governor commonly used, for motor, can select synchronous dynamo and/or drive motor and/or starter motor and/or electrical generator for use according to different needs, various different motors, by the parallel connection of axle, perhaps all or partly be incorporated in the motor, can realize different effects: 1. as the control motor, be used for making shifting of transmission synchronous, stepless distributed power is to input shaft; 2. as the starter motor of driving engine; 3. as direct driving motor, fuel feeding not, driving engine is not worked; 4. as electrical generator, control the rotating speed motor in motion and produce just generating of damping, in other words, the generating of electrical motor has produced damping, and the electrical power storage of sending is in storage battery.
About electronic controller (ECU): the automatic synchronous method that uses promptly in, by sensor acquisition signal, calculating.Reach change-speed box and treat that combination gear and transmission output speed are synchronous by changing the rotational speed governor rotating speed, the spline that instruction selector 9 promotes in the change-speed boxs 2 moves gear.Or in split type change-speed box scheme one, two, successive instructions selector 9, inferior selector 14 promote spline in change-speed box 2 or the inferior change-speed box 13 before and after respectively and move and carry out gear shift.
Claims (14)
1. device that utilizes the differential controls automobile variable speed, comprise with driving engine (4) bonded assembly change-speed box (2), with wheels (1) bonded assembly main reduction gear (11) and a diff (8) that constitutes by housing shaft and left half axle, three axles of right axle shaft, it is characterized in that:
The housing shaft of described diff (8) is connected with the output shaft of change-speed box (2), the input shaft of main reduction gear (11) and the output shaft of rotational speed governor (6) respectively arbitrarily with left half axle, right axle shaft, by electronic controller (7) above-mentioned parts is electrically connected and control.
2. according to the device of the described automobile variable speed of claim 1, it is characterized in that between the input shaft of diff (8) and main reduction gear (11), being provided with time change-speed box (13).
3. according to the device of the described automobile variable speed of claim 1, it is characterized in that between the output shaft of diff (8) and rotational speed governor (6), being provided with time change-speed box (13) and tachogen (14).
4. according to the device of claim 1,2 or 3 described automobile variable speeds, it is characterized in that described change-speed box (2) or inferior change-speed box (13) are the hand-operated transmission structure.
5. according to the device of the described automobile variable speed of claim 1, it is characterized in that described rotational speed governor (6) is damping control motor or fluid power controllable damping element or electromagnetism controllable damping element or drg.
6. according to the device of the described automobile variable speed of claim 5, it is characterized in that described damping control motor is that synchronous dynamo and damping motor or drive motor and/or starter motor and/or electrical generator are merged into a motor.
7. according to the device of the described automobile variable speed of claim 6, it is characterized in that described damping control motor be synchronous dynamo and damping motor or drive motor and/or starter motor and/or electrical generator respectively by rotating shaft through gear or belt transmissioning mode parallel connection.
8. according to the device of claim 1,2 or 3 described automobile variable speeds, it is characterized in that described change-speed box (2) or inferior change-speed box (13) move gear by the spline that selector (9) or inferior selector (14) promote in change-speed box (2) or the inferior change-speed box (13).
9. the device of described automobile variable speed according to Claim 8 is characterized in that described selector (9) or inferior selector (14) are electromagnetism push rod or hydraulic push rod type.
10. according to the device of the described automobile variable speed of claim 9, it is characterized in that described selector (9) or inferior selector (14) connect control by electronic controller (7).
11., it is characterized in that described electronic controller (7) is by manual selection gear according to the device of claim 1 or 10 described automobile variable speeds.
12., it is characterized in that between described rotational speed governor (6) and diff (8), brake plate (5) being set according to the device of the described automobile variable speed of claim 1.
13., it is characterized in that on the output shaft of described change-speed box (2) and main reduction gear (11) input shaft, tachogen (10,12) being set according to the device of the described automobile variable speed of claim 1.
14., it is characterized in that between each parts, connecting by gear or belt speed reduction gearing respectively according to the device of the described automobile variable speed of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102033131A CN101412369A (en) | 2008-11-25 | 2008-11-25 | Apparatus for controlling speed variation of automobile by using differential mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102033131A CN101412369A (en) | 2008-11-25 | 2008-11-25 | Apparatus for controlling speed variation of automobile by using differential mechanism |
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| CN101412369A true CN101412369A (en) | 2009-04-22 |
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| CNA2008102033131A Pending CN101412369A (en) | 2008-11-25 | 2008-11-25 | Apparatus for controlling speed variation of automobile by using differential mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979862A (en) * | 2012-11-23 | 2013-03-20 | 武汉理工通宇新源动力有限公司 | Two speed automatic transmission |
| CN112013107A (en) * | 2019-05-28 | 2020-12-01 | 威伯科欧洲有限责任公司 | Electric drive train of a vehicle axle |
| WO2021098458A1 (en) * | 2019-11-21 | 2021-05-27 | Ningbo Geely Automobile Research & Development Co., Ltd. | Method for performing rotational speed synchronisation |
-
2008
- 2008-11-25 CN CNA2008102033131A patent/CN101412369A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979862A (en) * | 2012-11-23 | 2013-03-20 | 武汉理工通宇新源动力有限公司 | Two speed automatic transmission |
| CN102979862B (en) * | 2012-11-23 | 2015-08-19 | 武汉理工通宇新源动力有限公司 | Two gear formula automatic transmission |
| CN112013107A (en) * | 2019-05-28 | 2020-12-01 | 威伯科欧洲有限责任公司 | Electric drive train of a vehicle axle |
| WO2021098458A1 (en) * | 2019-11-21 | 2021-05-27 | Ningbo Geely Automobile Research & Development Co., Ltd. | Method for performing rotational speed synchronisation |
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Application publication date: 20090422 |