CN106151448B - A kind of limited-slip differential, speed changer and automobile - Google Patents
A kind of limited-slip differential, speed changer and automobile Download PDFInfo
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- CN106151448B CN106151448B CN201510143776.3A CN201510143776A CN106151448B CN 106151448 B CN106151448 B CN 106151448B CN 201510143776 A CN201510143776 A CN 201510143776A CN 106151448 B CN106151448 B CN 106151448B
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Abstract
The present invention provides a kind of limited-slip differential, speed changer and automobiles, are related to differential art field, and the power transmission efficiency to solve the problems, such as the transmission system of automobile is low.The limited-slip differential includes：The differential casing being set in the cavity of case of transmission is provided with accommodating chamber in differential carrier body, and planet axis is provided in accommodating cavity, and the both ends of planet axis are stretched out from differential casing, and the limited-slip differential further includes：The lockable mechanism being set in the guide groove on case of transmission, lockable mechanism include driving device and the circular lock piece being connected with driving device, and the axis of lock piece is vertical with the axis of planet axis；Planet axis two regions corresponding with lock piece are respectively arranged at least one lock groove；In use, lock piece stretches into lock groove under the drive of the drive, planet axis is made to stop rotation.Limited-slip differential of the present invention is applied in automobile.
Description
Technical field
The present invention relates to differential art field, more particularly to a kind of limited-slip differential, speed changer and automobile.
Background technology
Differential mechanism be mounted on automobile the left and right sides driving wheel between, automobile when turning to or travelling on uneven road surface,
Differential mechanism can ensure the driving wheel of the left and right sides when stroke is not equal with different rotating speeds.But the presence of differential mechanism makes vapour
Vehicle power when a side drive wheel is skidded can not be transmitted effectively, limited-slip differential then occurs, limited-slip differential is in automobile
By differential mechanism locking when single wheel skids, make the driving wheel of the left and right sides that identical power can be obtained, so as to preferable
Solve the problems, such as that the power transmission that automobile occurs when single wheel skids is uneven.
There is a kind of limited-slip differential at present, include the differential casing with cavity, cotter way is provided on differential casing,
Planet axis and lockable mechanism are installed in cavity, upper planetary gear and lower planetary gear, planet axis point are set in planet axis
It not being fixedly connected with upper planetary gear and lower planetary gear, lockable mechanism includes spreadet spreadet wheel, lock pin and driving device,
In, lock groove is provided on spreadet spreadet wheel, the quantity of spreadet spreadet wheel is two, and a spreadet spreadet wheel is fixed with upper planetary gear to be connected
It connects, another spreadet spreadet wheel is fixedly connected with lower planetary gear, and lock pin is set in the cotter way of differential casing, driving device
It is connected with lock pin, driving device can drive lock pin to stretch out cotter way and go deep into lock groove, to avoid spreadet spreadet wheel opposite
Differential casing rotates so that planet axis and planetary gear stop rotation, and then locking limited-slip differential.
But since lockable mechanism is mounted in differential casing, during differential mechanism rotating, lockable mechanism is with difference
Fast device rotates together, consumes portion of energy, so that the power transmission efficiency of the transmission system of automobile is low.
Invention content
In view of this, the present invention is directed to propose a kind of limited-slip differential, is transmitted with improving the power of transmission system of automobile
Efficiency.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of limited-slip differential, including：The differential casing being set in the cavity of case of transmission, the differential carrier
It is provided with accommodating cavity in vivo, is provided with planet axis in the accommodating cavity, the both ends of the planet axis are from the differential carrier
Body stretches out；
The limited-slip differential further includes：The lockable mechanism being set in the guide groove on the case of transmission, it is described
Lockable mechanism includes：Driving device and the circular lock piece being connected with the driving device, the axis of the lock piece with
The axis of the planet axis is vertical；The planet axis two regions corresponding with the lock piece are respectively arranged at least one lock
Only slot；In use, the lock piece is stretched under the driving of the driving device in the lock groove, the planet axis is made to stop
Rotation.
Preferably, the lockable mechanism further includes the locating part being fixedly connected with the side wall of the guide groove, the driving
Device includes：Electromagnetic coil, magnetic baffle, connecting rod and the resetting spring being respectively arranged in guide groove；Wherein, the magnetic gear
Plate is located at by the electromagnetic coil, and one end of the connecting rod is connected with the magnetic baffle, the other end of the connecting rod with it is described
Lock piece is connected, and the locating part is located between the magnetic baffle and the lock piece, and the resetting spring is set in described
On connecting rod, and between the magnetic baffle and the locating part, and connect respectively with the magnetic baffle and the locating part
It touches；The magnetic field that the electromagnetic coil generates after being powered makes the magnetic baffle drive the connecting rod and lock piece movement, with
The lock piece is set to stretch into the lock groove.
Optionally, the quantity of the driving device is multiple, circumferencial direction of each driving device along the lock piece
It is evenly distributed.
Further, the limited-slip differential further includes controller, the controller respectively with the driving device and vapour
Wheel speed sensors signal connection in vehicle, the controller control the drive according to the rotary speed information that the wheel speed sensors are fed back
The start and stop state of dynamic device.
Preferably, the limited-slip differential further includes power switch and controller, the power switch and the electromagnetic wire
Circle electrical connection, the controller are connect with the wheel speed sensors signal in the power switch and automobile respectively, the controller
The rotary speed information fed back according to the wheel speed sensors controls the break-make electricity condition of the power switch.
Optionally, the planet axis two regions corresponding with the lock piece are respectively arranged with multiple lock grooves,
Multiple lock grooves are uniformly arranged along the circumferencial direction of the planet axis.
Compared with the existing technology, limited-slip differential of the present invention has the advantage that：
In normal road, in the guide groove of case of transmission, limited-slip differential runs well lock piece automobile；
When automobile encounters Special Road and single wheel is made to skid, lockable mechanism starts, and driving device drives lock piece from guiding
It stretches out, and is stretched into the lock groove of planet axis in slot, lock groove is made to stop rotating around the axis of planet axis, therefore, lockable mechanism
Planet axis is set to stop rotation, to locking limited-slip differential.Compared with prior art, in limited-slip differential provided by the invention
The lockable mechanism shell that is set to speed changer guide groove in, will not together be rotated with limited-slip differential, to reduce
Energy loss, and then improve the efficiency of the transmission system passing power of automobile.
Another object of the present invention is to propose a kind of speed changer, effect is transmitted to improve the power of transmission system of automobile
Rate.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of speed changer, including：Case of transmission with cavity is provided with such as above-mentioned technical proposal institute in the cavity
The limited-slip differential stated is provided with guide groove in the transmission case body, and the lockable mechanism of the limited-slip differential is set to institute
It states in guide groove.
Compared with the existing technology, speed changer of the present invention has the advantage that：
Possessed advantage is identical compared with the existing technology with above-mentioned limited-slip differential for the speed changer, no longer superfluous herein
It states.
Another object of the present invention is to propose a kind of automobile, to improve the power transmission efficiency of the transmission system of automobile.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of automobile is provided with the speed changer as described in above-mentioned technical proposal in the automobile.
Compared with the existing technology, automobile of the present invention has the advantage that：
Possessed advantage is identical compared with the existing technology with above-mentioned speed changer for the automobile, and details are not described herein.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the sectional view of the limited-slip differential described in the embodiment of the present invention；
Fig. 2 is the enlarged drawing in the areas Tu1Zhong A.
Reference sign：
1- case of transmission, 2- differential casings,
3- planet axis, 5- lockable mechanisms,
51- electromagnetic coils, 52- magnetism baffles,
53- connecting rods, 54- resetting springs,
55- locating parts, 56- lock pieces,
6- lock grooves.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment one
Referring to Fig. 1, an embodiment of the present invention provides a kind of limited-slip differential, it is set in the cavity of case of transmission 1,
Including：Differential casing 2, planet axis 3 and lockable mechanism 5, wherein there is differential casing 2 accommodating cavity, planet axis 3 to be arranged
It is stretched out from differential casing 2 respectively in the accommodating cavity and both ends of planet axis 3, lockable mechanism 5 is set to case of transmission 1
On guide groove in, lockable mechanism 5 include driving device and lock piece 56, lock piece 56 is connected with driving device, and lock piece
56 axis is vertical with the axis of planet axis 3, is respectively arranged at the both ends of the stretching differential casing 2 of planet axis 3 at least one
Lock groove 6, each lock groove 6 are correspondingly arranged with lock piece 56 respectively.
In normal road, lock piece 56 is located in guide groove automobile, and limited-slip differential runs well；When automobile is met
When to Special Road so that single wheel skids, lockable mechanism 5 starts, and driving device driving lock piece 56 is stretched from guide groove
Go out, and stretch into the lock groove 6 of planet axis 3, makes lock groove 6 stop rotating around the axis of planet axis 3, therefore, lockable mechanism 5 makes
Planet axis 3 stops rotation, to locking limited-slip differential.Compared with prior art, in limited-slip differential provided by the invention
Lockable mechanism 5 be set in the guide groove of case of transmission 1, will not together be rotated with limited-slip differential, to reduce
Energy loss, and then improve the efficiency of the transmission system passing power of automobile.
Above-mentioned driving device can be hydraulic cylinder or pneumatic cylinder, for example, when lockable mechanism 5 is hydraulic cylinder, hydraulic cylinder
It is set in guide groove and the cylinder body of hydraulic cylinder is fixedly connected with case of transmission 1, the piston rod and lock piece 56 of hydraulic cylinder are solid
Fixed connection.When automobile encounters Special Road and single wheel is made to skid, it is filled with liquid into hydraulic cylinder, piston rod is made to push
Lock piece 56 stretches out from guide groove and gos deep into lock groove 6, so that the rotation of planet axis 3 stops, and then locking limits slippage
Fast device.After the wheel of automobile no longer skids, the liquid in hydraulic cylinder is made to reduce, piston rod drives lock piece 56 to return to guide groove
In, so that differential mechanism restores to run well.When lockable mechanism 5 is pneumatic cylinder, pneumatic cylinder setting in case of transmission 1
Mode and the course of work using pneumatic cylinder locking limited-slip differential are set, with the above-mentioned mistake using hydraulic cylinder locking limited-slip differential
Journey is almost the same, and details are not described herein.
Since the volume of pneumatic cylinder and hydraulic cylinder is larger, and the space in speed changer is smaller, therefore, in a kind of preferred implementation
In mode, lock piece 56 is driven using electromagnetic drive mode, referring to Fig. 2, at this point, lockable mechanism 5 includes driving device, limit
Part 55 and lock piece 56, locating part 55 are fixedly connected with the side wall of guide groove, and lock piece 56 is set to the right side of driving device, are driven
Dynamic device includes：Electromagnetic coil 51, magnetic baffle 52, connecting rod 53 and resetting spring 54, and electromagnetic coil 51, magnetic baffle 52,
Connecting rod 53 and resetting spring 54 may be contained in guide groove；Wherein, magnetic baffle 52 is set to the right side of electromagnetic coil 51, connecting rod
53 are set between magnetic baffle 52 and lock piece 56, and the both ends of connecting rod 53 are fixed with magnetic baffle 52 and lock piece 56 respectively
Connection；Locating part 55 is located between magnetic baffle 52 and lock piece 56；Resetting spring 54 is sleeved on connecting rod 52, and positioned at magnetism
Between baffle 52 and locating part 55, the both ends of resetting spring 54 are contacted with magnetic baffle 52 and locating part 55 respectively.
On normal road surface when driving, lock piece 56 is located in guide groove automobile, and limited-slip differential runs well, not by shadow
It rings；It when automobile encounters Special Road and single wheel is made to skid, is powered for electromagnetic coil 51, electromagnetic coil 51 produces after being powered
Magnetisation field, magnetic baffle 52 are influenced to move to the right by the magnetic force that magnetic field generates, to drive connecting rod 53 and lock piece 56 together
It moves to the right, lock piece 56 in guide groove from stretching out and finally stretching into the lock groove 6 of planet axis 3, to stop planet axis 3
Rotation, to locking limited-slip differential.During magnetic baffle 52 drives connecting rod 53 and lock piece 56 to move right, by
It does not change in the position of the opposite case of transmission 1 of locating part 55, therefore during magnetic baffle 52 moves right,
The distance between magnetic baffle 52 and locating part 55 reduce, and resetting spring 54 compresses.
When automobile turns again to normal road, stop being powered for electromagnetic coil 51, the magnetic that electromagnetic coil 51 generates
Disappear so that magnetic field be applied to magnetic baffle 52 magnetic force disappear, at this time force effect not to the right on magnetic baffle 52,
Then resetting spring 54 gradually restores initial length under the action of elastic force, the position due to locating part 55 with respect to case of transmission 1
Set constant, therefore during resetting spring 54 restores initial length, resetting spring 54 pushes magnetic baffle 52, magnetism to the left
Baffle 52 drives connecting rod 53 and lock piece 56 to be moved to the left, after resetting spring 54 restores initial length, magnetic baffle 52, connecting rod
53 and lock piece 56 be all restored to initial position, that is to say, that lock piece 56 returns in guide groove, and limited-slip differential restores normal
Operating.
The quantity of above-mentioned driving device can be one or more, in order to provide the driving force of bigger to lock piece 56,
Preferably, the quantity of driving device is multiple, and each driving device is evenly distributed along the circumferencial direction of lock piece 56.When automobile encounters
Special Road and make single wheel skid when, lockable mechanism 5 start, multiple driving devices push simultaneously drive lock piece 56 from
It stretches out, and is stretched into the lock groove 6 of planet axis 3 in guide groove, to locking limited-slip differential.Multiple driving devices are to locking
The driving force of part 56 enhances.In addition, when the wheel of automobile no longer skids, multiple resetting springs 54 in multiple driving devices push away
The power of dynamic magnetism baffle 52 increases so that magnetic baffle 52 drives connecting rod 53 and lock piece 56 to return to the speed of initial position more
Soon, so that limited-slip differential can faster restore normal operation.
For the ease of the start and stop state controlled the driving device, in a preferred embodiment, limited-slip differential further includes
Controller, controller are connect with driving device signal, and controller is connect with the wheel speed sensors signal in automobile, wheel speed sensing
Device detects the rotating speed of the wheel of the left and right sides of automobile, and rotary speed information is fed back to controller, and controller is according to the left side of automobile
The difference of right both sides vehicle wheel rotational speed judges whether to start driving device.For example, if turn of the left and right sides wheel when automobile
The difference of speed needs when being 150r/min or more by limited-slip differential locking.During running car, wheel speed sensors are real
When monitoring automobile left and right sides wheel rotating speed, and rotary speed information is fed back into controller, controller judges left and right sides vehicle
Whether the difference of the rotating speed of wheel is more than 150r/min, when the difference of the rotating speed of left and right sides wheel is more than 150r/min, control
Device controls the driving device driving lock piece 56 and stretches out guide groove and stretch into lock groove 6, thus by limited-slip differential locking.
Please continue to refer to Fig. 2, when lockable mechanism 5 includes electromagnetic coil 51, for the ease of the start and stop controlled the driving device
State, in a preferred embodiment, limited-slip differential further includes power switch and controller, power switch and electromagnetic coil
51 electrical connections, controller is connect with power switch signal, and controller is connect with wheel speed sensors signal.For example, if working as
The difference of the rotating speed of the left and right sides wheel of automobile needs when being 150r/min or more by limited-slip differential locking, when a left side for automobile
The difference of the rotating speed of right both sides wheel needs that limited-slip differential is made to restore to run well when being 120r/min or less.In running car
During, wheel speed sensors monitor the rotating speed of the left and right sides wheel of automobile in real time, and rotary speed information is fed back to controller,
Controller judges whether the difference in wheel of left and right sides wheel is more than 150r/min, when the difference in wheel of left and right sides wheel is more than
When 150r/min, controller control turns on the power switch, and starts to be powered for electromagnetic coil 51, electromagnetic coil 51 generates magnetic after being powered
, magnetic baffle 52 is affected by magnetic forces to be moved to the right, to drive connecting rod 53 and lock piece 56 to move to the right together, locking
Part 56 in guide groove from stretching out and finally stretching into the lock groove 6 of planet axis 3, to stop the rotation of planet axis 3, and then locking
Limited-slip differential.When the difference in wheel of the wheel of the left and right sides is less than 120r/min, controller turns off the power switch, and stops as electricity
Magnetic coil 51 is powered, and the magnetic force that the magnetic field that electromagnetic coil 51 generates is applied to magnetic baffle 52 disappears, and resetting spring 54 is in elastic force
Under the action of gradually restore initial length, resetting spring 54 restore initial length during, resetting spring 54 pushes to the left
Magnetic baffle 52, magnetic baffle 52 drive connecting rod 53 and lock piece 56 to be moved to the left, after resetting spring 54 restores initial length,
Magnetic baffle 52, connecting rod 53 and lock piece 56 are all restored to initial position, that is to say, that lock piece 56 has left lock groove 6, limit
Slip differential restores to run well.
The quantity of lock groove 6 in above-mentioned planet axis 3 is two or more, when the quantity of lock groove 6 is two, two
Lock groove 6 is located at two regions that planet axis 3 stretches out case of transmission 2, and opposite with lock piece 56 respectively, works as lock piece
56 stretch out and when being contacted with planet axis 3, possible exactly in contact with is that lock groove 6 is not provided in planet axis 3 from guide groove
Region, with 3 rotation certain angle of planet axis, lock groove 6 rotates to the side with 56 face of lock piece, and lock piece 56 stretches into lock
Only in slot 6, stop the rotation of planet axis 3, to locking limited-slip differential.That is, from driving device is started to cunning will be limited
Differential mechanism locking will pass through certain delay, and the delay up to planet axis turns around the required time certainly.In order to reduce delay,
Preferably, planet axis 3 stretches out case of transmission 2 and multiple lock grooves 6 are respectively set in two regions corresponding with lock piece 56, often
Multiple lock grooves 6 in a region are all uniformly arranged along the circumferencial direction of planet axis.For example, referring to Fig. 1, planet axis 3
There are four lock groove 6, two of which lock grooves 6 to be set to the upper end region corresponding with lock piece 56 of planet axis 3 for upper setting, separately
Outer two lower ends for being set to planet axis 3 region corresponding with lock piece 56.So design so that when lock piece 56 is from guide groove
Middle stretching is simultaneously contacted with planet axis 3, and exactly in contact with is at most to wait for row when being not provided with the region of lock groove 6 in planet axis 3
3 rotation half-turn of star axis can stretch into lock piece 56 in two of which lock groove 6, to locking limited-slip differential.Namely
It says, when setting there are four when lock groove 6, therefore multiple lockings are arranged in the time used in delay up to 3 half rotation of planet axis
Slot 6 can reduce delay.
Embodiment two
As shown in Figure 1, second embodiment of the present invention provides a kind of speed changers, including：Case of transmission 1 with cavity,
It is provided with guide groove 6 in case of transmission 1, the limited-slip differential as described in above-described embodiment one, guide groove 6 are provided in cavity
It is inside provided with the lockable mechanism of limited-slip differential, lockable mechanism can be stretched out out of guide groove 6.
In normal road, lockable mechanism 5 is located in the guide groove of speed changer automobile, and limited-slip differential is normally transported
Turn, when automobile encounters Special Road and single wheel is made to skid, lockable mechanism 5 starts, the lock piece 56 of lockable mechanism 5 from
It stretches out, and is stretched into the lock groove 6 of planet axis 3 in guide groove, lock groove 6 is made to stop rotating around the axis of planet axis 3, therefore,
Lockable mechanism 5 makes planet axis 3 stop rotation, to locking limited-slip differential.Compared with prior art, change provided by the invention
The lockable mechanism 5 of limited-slip differential in fast device is set in the guide groove of case of transmission, will not be with limited-slip differential one
Rotation is played, to reduce energy loss, and then improves the efficiency of the transmission system passing power of automobile.
Embodiment three
The embodiment of the present invention three provides a kind of automobile, and the speed changer provided such as above-described embodiment two is provided in automobile.
The lockable mechanism of limited-slip differential in speed changer is set in the guide groove of case of transmission, when automobile encounters spy
Different road surface and when single wheel is skidded, lockable mechanism can be by limited-slip differential locking, the lockable mechanism in the present embodiment three
The course of work it is identical as the course of work of the lockable mechanism in above-described embodiment one, therefore not to repeat here.With prior art phase
Than the lockable mechanism of the limited-slip differential in automobile provided by the invention is set in the guide groove of case of transmission, Bu Huisui
It limited-slip differential to rotate together, to reduce energy loss, and then improves the effect of the transmission system passing power of automobile
Rate.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of limited-slip differential, including：The differential casing (2) being set in the cavity of case of transmission (1), the differential
Accommodating cavity is provided in device shell (2), is provided with planet axis (3) in the accommodating cavity, the both ends of the planet axis (3) from
The differential casing (2) is stretched out；It is characterized in that,
The limited-slip differential further includes：The lockable mechanism (5) being set in the guide groove on the case of transmission (1), institute
Stating lockable mechanism (5) includes：Driving device and the circular lock piece (56) being connected with the driving device, the lock piece
(56) axis is vertical with the axis of the planet axis (3)；The areas the planet axis (3) Liang Ge corresponding with the lock piece (56)
Domain is respectively arranged at least one lock groove (6)；In use, the lock piece (56) is stretched under the driving of the driving device
In the lock groove (6), the planet axis (3) is made to stop rotation；
Wherein, the set-up mode of the driving device include scheme one, scheme two or scheme three any one；
The scheme one includes：
The driving device is hydraulic cylinder, and the hydraulic cylinder is set in guide groove, and the cylinder body and case of transmission of hydraulic cylinder
(1) it is fixedly connected, the piston rod of hydraulic cylinder is fixedly connected with lock piece (56)；
The scheme two includes：
The driving device is pneumatic cylinder, and the pneumatic cylinder is set in guide groove, and the cylinder body and case of transmission of pneumatic cylinder
(1) it is fixedly connected, the piston rod of hydraulic cylinder is fixedly connected with lock piece (56)；
The scheme three includes：
The lockable mechanism further includes the locating part (55) being fixedly connected with the side wall of the guide groove, the driving device packet
It includes：Electromagnetic coil (51), magnetic baffle (52), connecting rod (53) and the resetting spring (54) being respectively arranged in guide groove；Wherein,
The magnetism baffle (52) is located at the electromagnetic coil (51) side, one end of the connecting rod (53) and described magnetic baffle (52) phase
Even, the other end of the connecting rod (53) is connected with the lock piece (56), and the locating part (55) is located at the magnetic baffle
(52) between the lock piece (56), the resetting spring (54) is set on the connecting rod (53), and is located at the magnetism
Between baffle (52) and the locating part (55), and contacted respectively with the magnetic baffle (52) and the locating part (55)；Institute
Stating the magnetic field generated after electromagnetic coil is powered makes the magnetic baffle drive the connecting rod and the lock piece (56) mobile, so that
The lock piece (56) is stretched into the lock groove (6).
2. limited-slip differential according to claim 1, which is characterized in that the quantity of the driving device is multiple, each institute
The circumferencial direction that driving device is stated along the lock piece (56) is evenly distributed.
3. limited-slip differential according to claim 1, which is characterized in that the limited-slip differential further includes controller, institute
It states controller to connect with the wheel speed sensors signal in the driving device and automobile respectively, the controller is according to the wheel speed
The rotary speed information of sensor feedback controls the start and stop state of the driving device.
4. limited-slip differential according to claim 1, which is characterized in that the set-up mode of the driving device includes scheme
Three, and the limited-slip differential further includes power switch and controller, the power switch is electrically connected with the electromagnetic coil (51)
It connects, the controller is connect with the wheel speed sensors signal in the power switch and automobile respectively, and the controller is according to institute
The rotary speed information for stating wheel speed sensors feedback controls the break-make electricity condition of the power switch.
5. limited-slip differential according to claim 1, which is characterized in that the planet axis (3) and the lock piece (56)
Corresponding two regions are respectively arranged with multiple lock grooves (6), and multiple lock grooves (6) are along the planet axis (3)
Circumferencial direction is uniformly arranged.
6. a kind of speed changer, which is characterized in that including：Case of transmission (1) with cavity, the cavity is interior to be arranged just like power
Profit requires 1-5 any one of them limited-slip differentials, and guide groove, the slide limiting differential are provided in the case of transmission (1)
The lockable mechanism (5) of device is set in the guide groove.
7. a kind of automobile, which is characterized in that be provided with speed changer as claimed in claim 6 in the automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143776.3A CN106151448B (en) | 2015-03-30 | 2015-03-30 | A kind of limited-slip differential, speed changer and automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143776.3A CN106151448B (en) | 2015-03-30 | 2015-03-30 | A kind of limited-slip differential, speed changer and automobile |
Publications (2)
| Publication Number | Publication Date |
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| CN106151448A CN106151448A (en) | 2016-11-23 |
| CN106151448B true CN106151448B (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510143776.3A Active CN106151448B (en) | 2015-03-30 | 2015-03-30 | A kind of limited-slip differential, speed changer and automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108644344B (en) * | 2018-05-24 | 2021-02-02 | 湖北科技学院 | Limited slip differential |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001280446A (en) * | 2000-03-31 | 2001-10-10 | Mitsubishi Heavy Ind Ltd | Power transmission device for vehicle and its manufacturing method |
| CN101265965A (en) * | 2008-04-23 | 2008-09-17 | 北京交通大学 | Transmitting ratio variable slip-limiting speed differentiator |
| CN202215702U (en) * | 2011-09-16 | 2012-05-09 | 杨勇方 | Differential locking mechanism capable of controlling automatically |
| CN102518772A (en) * | 2011-12-26 | 2012-06-27 | 天津天海同步科技股份有限公司 | Swing type limited slip differential |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6835155B2 (en) * | 2002-12-11 | 2004-12-28 | Dana Corporation | Position compensating differential locking mechanism |
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2015
- 2015-03-30 CN CN201510143776.3A patent/CN106151448B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001280446A (en) * | 2000-03-31 | 2001-10-10 | Mitsubishi Heavy Ind Ltd | Power transmission device for vehicle and its manufacturing method |
| CN101265965A (en) * | 2008-04-23 | 2008-09-17 | 北京交通大学 | Transmitting ratio variable slip-limiting speed differentiator |
| CN202215702U (en) * | 2011-09-16 | 2012-05-09 | 杨勇方 | Differential locking mechanism capable of controlling automatically |
| CN102518772A (en) * | 2011-12-26 | 2012-06-27 | 天津天海同步科技股份有限公司 | Swing type limited slip differential |
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| CN106151448A (en) | 2016-11-23 |
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