CN105082995B - Self shifter rear axle assy - Google Patents
Self shifter rear axle assy Download PDFInfo
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- CN105082995B CN105082995B CN201510440833.4A CN201510440833A CN105082995B CN 105082995 B CN105082995 B CN 105082995B CN 201510440833 A CN201510440833 A CN 201510440833A CN 105082995 B CN105082995 B CN 105082995B
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- shift
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- 230000006698 induction Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The invention discloses a kind of self shifter rear axle assy, including multi gear main reducing gear, differential mechanism, left bridge tube and right bridge tube；The left half axle and right axle shaft of the differential mechanism are rotatably assorted respectively corresponding to be supported in the left bridge tube and right bridge tube and outputs power to the revolver axis and right wheel axis of vehicle；The multi gear main reducing gear be equipped with for shift gears clutch collar, for drive combined cover to be axially moveable pull-fork assembly, for the Power Component that drives the pull-fork assembly to move back and forth to shift gears and for detecting pull-fork assembly position so as to controlling the shift fork position detecting device that Power Component acts, the self shifter rear axle assy of the present invention, shifting element is few, gearshift reaction is fast, there is higher gearshift precision at the same time, so that it is not in place to avoid shifting gears.
Description
Technical field
The present invention relates to vehicle rear axle field, is specifically a kind of self shifter rear axle assy.
Background technology
To give full play to the dynamic property of automobile and improving fuel economy, dress is with there is two gear speed to compare double speed on some motor vehicles
The rear axle structure of main reducing gear.This double gear (speed) final drive provides driving source or rotating speed in gear shift, by shift motor, through slowing down
After mechanism slows down, the rotary motion of cam is converted to, the rotation forces of cam are sleeved on the shift fork rectilinear movement in shift fork axle, and then
Realize gear switch.More due to participating in gear shift original paper quantity using this structure, passing power is complicated, adds gearshift
Rate of breakdown, worm and gear, cam mechanism design and manufacture on there is also product quality hidden danger, and worm and gear, cam
Mechanism difficulty of processing is big, and manufacture is of high cost.In addition, in gear shift, cam mechanism is due to accuracy of manufacture factor or long-time service
Excessive wear occurs for cam mechanism afterwards, always there are gap, so as to be easy to cause gear shift phenomenon not in place.
Therefore, to solve problem above, it is necessary to which a kind of shifting element is few, gearshift reaction is fast, while has higher gearshift
Precision, so as to avoid the self shifter rear axle assy for shifting gears not in place.
The content of the invention
In view of this, the purpose of the present invention is overcoming in the prior art the defects of, there is provided a kind of shifting element is few, gearshift is anti-
Soon, while there should be higher gearshift precision, so as to avoid the self shifter rear axle assy for shifting gears not in place.
The self shifter rear axle assy of the present invention, including multi gear main reducing gear, differential mechanism, left bridge tube and right bridge tube；It is described
The left half axle and right axle shaft of differential mechanism are rotatably assorted to correspond to respectively and are supported in the left bridge tube and right bridge tube and output power to
The revolver axis and right wheel axis of vehicle；The multi gear main reducing gear is equipped with the clutch collar for gearshift, for driving combined cover along axis
Dialled to mobile pull-fork assembly, for the Power Component that drives the pull-fork assembly to move back and forth to shift gears and for detecting
Fork module position is so as to control the shift fork position detecting device that Power Component acts；
Further, the shift fork position detecting device includes the magnetic induction part being arranged on pull-fork assembly and for adopting
Collect the sensor of the magnetic induction part positional information；
Further, the pull-fork assembly includes shift fork axle and is fixed on the shift fork of the shift fork axle；The Power Component bag
Include and be rotatably arranged at multi gear bevel housing around axial single-degree-of-freedom and spiral shell is carried out by thread fitting with the shift fork axle
Revolve the driven gear of transmission；
Further, the shift fork axle, which is equipped with to be used to slide axially to it, carries out locking stopper component, the stopper component bag
Include the stopper groove for being arranged at shift fork axle and the stopper body that the stopper groove can be slid in or out；
Further, the multi gear main reducing gear includes the first reduction gearing and the second reduction gearing；The clutch collar is located at
Between first reduction gearing and the second reduction gearing, the sensor includes being used to judge combined cover and the first reduction gearing
The first sensor of engagement, for judging second sensor that combined cover engages with the second reduction gearing and for judging to combine
3rd sensor of the set positioned at middle position；
Further, the differential mechanism includes differential casing and differential gear component, is fixed on the differential casing
It is provided with the first input gear engaged with first reduction gearing and second engaged with second reduction gearing is defeated
Enter gear；
Further, the stopper groove includes being used for the right groove body that locking knot trap is engaged with the first reduction gearing, for locking
Determine the left groove body that combined cover keeps the middle groove body of middle position and engaged for locking knot trap with the second reduction gearing；
Further, the Power Component further includes gear shifting drive motor and transmission is equipped with and drives electricity in the gear shift
Machine output shaft and the driving gear engaged with the driven gear.
The beneficial effects of the invention are as follows：The self shifter rear axle assy of the present invention, power are slowed down increment by main reducing gear
Differential mechanism is transferred to afterwards and power is distributed to the left half axle and right axle shaft of a vehicle by differential mechanism, and wherein main reducing gear has
More mark structures, and moved back and forth by the use of equipment such as motor, cylinders as Power Component with shift fork component and realize gearshift, shift fork
Position detecting device can use the position detecting elements such as existing magnetic-inductive device to detect the positional information of pull-fork assembly, for controlling
The control unit of brake force component action receives the positional information and judges that the gear shift of pull-fork assembly acts by the positional information
Whether in place and the start and stop of Power Component are controlled, therefore, using the shift fork positional information of shift fork position detecting device collection to control
The action of brake force component can ensure the accuracy and reliability of retarder gear shifting action.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of more gear main reducing gears of the present invention.
Embodiment
Fig. 1 is the structure diagram of the present invention；The self shifter rear axle assy of the present embodiment, including multi gear main reducing gear,
Differential mechanism, left bridge tube 1 and right bridge tube 10；The left half axle and right axle shaft of the differential mechanism are rotatably assorted described in corresponding be supported in respectively
Left bridge tube 1 and right bridge tube 10 and the revolver axis 2 and right wheel axis 11 for outputting power to vehicle；The multi gear main reducing gear, which is equipped with, to be used
Clutch collar 5 in gearshift, for driving pull-fork assembly that combined cover is axially moveable, for driving the pull-fork assembly back and forth to move
The dynamic Power Component shifted gears and for detecting pull-fork assembly position so as to the shift fork position inspection for controlling Power Component to act
Device is surveyed, in the present embodiment, realization is moved back and forth with shift fork component as Power Component by the use of equipment such as motor 15, cylinders
Gearshift, shift fork position detecting device can use the position detecting elements such as existing magnetic-inductive device to detect the position of pull-fork assembly letter
Breath, for controlling the control unit that Power Component acts to receive the positional information and judging pull-fork assembly by the positional information
Whether gear shift action in place and controls the start and stop of Power Component, therefore, utilizes the shift fork positional information of shift fork position detection collection
To control the action of Power Component to ensure the accuracy and reliability of two grades or more gear retarder gear shifting actions.
In the present embodiment, the shift fork position detecting device include being arranged at magnetic induction part 19 on pull-fork assembly and
The sensor that retarder is used to detect 19 position of magnetic induction part is arranged at, sensor is provided with two and correspondence is set respectively
Two bonding stations of pull-fork assembly are placed in, after pull-fork assembly driving gear shift combined cover engagement, sensor receives magnetic
Signal simultaneously sends control signal control Power Component stopping driving, avoids gearshift.
In the present embodiment, the pull-fork assembly includes shift fork axle and is fixed on the shift fork of the shift fork axle, the shift fork axle
It is equipped with external screw thread；The Power Component includes rotatably being arranged at retarder around axial single-degree-of-freedom and with the shift fork axle leading to
The driven gear 17 of thread fitting is crossed, Power Component can use the power set of the grade of motor 15 output rotary motion, and be moved
Power output terminal is sequentially connected with driven gear 17, by driving driven gear 17 to rotate, can carry out worm drive using screw thread
So as to which shift fork axis is axially moveable, driven gear 17 is installed on reducer shell by bearing, to avoid driven gear
17 occur axial float, can be installed in the bearing of driven gear 17 and set a baffle ring on shaft part so that driven gear 17 and bearing
Inner ring realizes axial restraint.
In the present embodiment, the shift fork axle, which is equipped with to be used to slide axially to it, carries out locking stopper component, the stopper group
Part includes being arranged at the stopper groove of shift fork axle and can sliding in or out the stopper body 14 of the stopper groove, when shift fork axle slides into
When predeterminated position is that stopper body 14 slips into, stopper body 14 can lock the slip of shift fork axle, so that selector fork rests on certain
One gear positions, after the driving force of outer bound pair shift fork axle exceedes particular value, stopper body 14 can skid off the stopper groove, and then solve
Except the locking to shift fork axle, so as to fulfill off-gear.
In the present embodiment, the multi gear main reducing gear includes the first reduction gearing 4 and the second reduction gearing 8；The engagement
5 positioned at 4 and second reduction gearing 8 of the first reduction gearing between, the sensor is included for judging combined cover and the set
The first sensor 22 of one reduction gearing 4 engagement, the second sensor 20 engaged for judging combined cover with the second reduction gearing 8
And for judging that combined cover is located at the 3rd sensor 21 of middle position, judge whether pull-fork assembly is accurately located at by sensor
Clutch collar 5 is avoided to shift gears not in place or cross and shift gears with the bonding station of the first reduction gearing 4 either the second reduction gearing 8.
In the present embodiment, the differential mechanism includes differential casing 13 and differential gear component 12, the differential carrier
Be fixedly installed on body 13 the first output gear 3 for being engaged with first reduction gearing 4 and with second reduction gearing 8
Second input gear 9 of engagement, differential gear component 12 belong to existing structure, including planetary gear, left half axle gear and
Right axle shaft gear, details are not described herein, wherein, the first reduction gearing 4 and the first output gear 3 engage and the second reducing gear
Wheel 8 and the driving-chain for engaging two different drive ratios of composition of the second input gear 9, can be according to power demand by combined cover
Two driving-chains are made alternately to engage or disconnect.
In the present embodiment, the stopper groove includes being used for the right groove body that locking knot trap is engaged with the first reduction gearing 4, uses
The middle groove body of middle position and the left groove body that is engaged for locking knot trap with the second reduction gearing 8 are kept in locking knot trap,
So as to avoid that off-gear occurs.
In the present embodiment, the Power Component further includes gear shifting drive motor 15 and transmission is equipped with the gear shift
Driving 15 output shaft of motor and the driving gear 16 engaged with the driven gear 17, are rotated forward and anti-by control driving motor 15
Turn shift fork axis to move back and forth vertically.
The self shifter rear axle assy of the present embodiment further includes power input shaft 6, is driven and is combined with the power input shaft
Output bevel gear wheel 7, the shaft of multi gear main reducing gear are equipped with the input bevel gear 23 engaged with the output bevel gear wheel 7, and power is defeated
Enter axis 6 and the shaft of multi gear main reducing gear is arranged in a mutually vertical manner, will be dynamic with engaging for input bevel gear 23 by output bevel gear wheel 7
Power is transferred to rear axle.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, can be to the skill of the present invention
Art scheme technical scheme is modified or replaced equivalently, without departing from the objective and scope of technical solution of the present invention, it should all cover at this
Among the right of invention.
Claims (5)
- A kind of 1. self shifter rear axle assy, it is characterised in that：Including multi gear main reducing gear, differential mechanism, left bridge tube and right bridge tube； The left half axle and right axle shaft of the differential mechanism are rotatably assorted the corresponding left bridge tube and the right bridge tube and power is defeated of being supported in respectively Go out to the revolver axis of vehicle and right wheel axis；The multi gear main reducing gear be equipped with for shift gears clutch collar, for drive combined cover to be axially moveable pull-fork assembly, The Power Component shifted gears for driving the pull-fork assembly to move back and forth and for detecting pull-fork assembly position so as to controlling The shift fork position detecting device of brake force component action；The shift fork position detecting device includes the magnetic induction part being arranged on pull-fork assembly and for gathering the magnetic strength Answer the sensor of position of components information；The pull-fork assembly includes shift fork axle and is fixed on the shift fork of the shift fork axle；The Power Component is included around axial list certainly The driven of worm drive is carried out by spending rotatably to be arranged at multi gear bevel housing and pass through thread fitting with the shift fork axle Gear；The shift fork axle, which is equipped with to be used to slide axially to it, carries out locking stopper component, and the stopper component includes being arranged at shift fork The stopper groove of axis and the stopper body that the stopper groove can be slid in or out.
- 2. self shifter rear axle assy according to claim 1, it is characterised in that：The multi gear main reducing gear includes first Reduction gearing and the second reduction gearing；The clutch collar is described between first reduction gearing and the second reduction gearing Sensor includes being used for judging the first sensor that combined cover engages with the first reduction gearing, for judging that combined cover subtracts with second The second sensor of fast gear engagement and for judging that combined cover is located at the 3rd sensor of middle position.
- 3. self shifter rear axle assy according to claim 2, it is characterised in that：The differential mechanism includes differential casing With differential gear component, the first input tooth engaged with first reduction gearing is fixedly installed on the differential casing Wheel and the second input gear engaged with second reduction gearing.
- 4. self shifter rear axle assy according to claim 1, it is characterised in that：The stopper groove includes being used for locking knot The right groove body that trap is engaged with the first reduction gearing, the middle groove body of middle position is kept and for locking knot for locking knot trap The left groove body that trap is engaged with the second reduction gearing.
- 5. self shifter rear axle assy according to claim 1, it is characterised in that：The Power Component further includes gear shift drive Dynamic motor and transmission are equipped with the gear shifting drive motor output shaft and the driving gear that is engaged with the driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440833.4A CN105082995B (en) | 2015-07-24 | 2015-07-24 | Self shifter rear axle assy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510440833.4A CN105082995B (en) | 2015-07-24 | 2015-07-24 | Self shifter rear axle assy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105082995A CN105082995A (en) | 2015-11-25 |
| CN105082995B true CN105082995B (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510440833.4A Active CN105082995B (en) | 2015-07-24 | 2015-07-24 | Self shifter rear axle assy |
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| CN (1) | CN105082995B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114202A (en) * | 2016-07-26 | 2016-11-16 | 连云港北方变速器有限责任公司 | Two grades of AMT rear axle assys of electric automobile |
| CN109421527A (en) * | 2017-08-31 | 2019-03-05 | 东风德纳车桥有限公司 | A kind of 2AMT electric axle assembly |
| CN109421526A (en) * | 2017-08-31 | 2019-03-05 | 东风德纳车桥有限公司 | A kind of 2AMT electric axle assembly |
| CN111677858B (en) * | 2019-03-11 | 2023-01-31 | 舍弗勒技术股份两合公司 | Power coupling control device |
| CN112659816A (en) * | 2020-12-31 | 2021-04-16 | 浙江春风动力股份有限公司 | All-terrain vehicle and driving state detection mechanism thereof |
| CN114458702B (en) * | 2022-02-18 | 2023-06-02 | 中国第一汽车股份有限公司 | Speed reducer disconnecting device, speed reducer and vehicle |
| CN115431675A (en) * | 2022-09-27 | 2022-12-06 | 中国重汽集团济南动力有限公司 | Penetrating type axle housing integrated with gear shifting mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201963858U (en) * | 2010-11-26 | 2011-09-07 | 长城汽车股份有限公司 | Automatic gearshift of automobile transmission |
| CN202182174U (en) * | 2011-07-31 | 2012-04-04 | 长城汽车股份有限公司 | Automobile electric gearshift mechanism |
| CN203713520U (en) * | 2013-12-27 | 2014-07-16 | 重庆隆旺机电有限责任公司 | Hybrid power driving rear axle |
| CN103935238A (en) * | 2014-04-14 | 2014-07-23 | 大陆汽车投资（上海）有限公司 | Electric vehicle and electric drive system for electric vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201875115U (en) * | 2010-07-20 | 2011-06-22 | 浙江中马汽车变速器股份有限公司 | Second gear reducer assembly automatic gear shifting executing mechanism for electric vehicle |
| CN104747662A (en) * | 2015-01-14 | 2015-07-01 | 昆山德拉特兰传动科技有限公司 | Two-gear automatic transmission assembly |
-
2015
- 2015-07-24 CN CN201510440833.4A patent/CN105082995B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201963858U (en) * | 2010-11-26 | 2011-09-07 | 长城汽车股份有限公司 | Automatic gearshift of automobile transmission |
| CN202182174U (en) * | 2011-07-31 | 2012-04-04 | 长城汽车股份有限公司 | Automobile electric gearshift mechanism |
| CN203713520U (en) * | 2013-12-27 | 2014-07-16 | 重庆隆旺机电有限责任公司 | Hybrid power driving rear axle |
| CN103935238A (en) * | 2014-04-14 | 2014-07-23 | 大陆汽车投资（上海）有限公司 | Electric vehicle and electric drive system for electric vehicle |
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| Publication number | Publication date |
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| CN105082995A (en) | 2015-11-25 |
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