CN105864391B - A kind of automatically controlled locking differential - Google Patents
A kind of automatically controlled locking differential Download PDFInfo
- Publication number
- CN105864391B CN105864391B CN201610356013.1A CN201610356013A CN105864391B CN 105864391 B CN105864391 B CN 105864391B CN 201610356013 A CN201610356013 A CN 201610356013A CN 105864391 B CN105864391 B CN 105864391B
- Authority
- CN
- China
- Prior art keywords
- fluted disc
- shaft gear
- axle shaft
- locking
- locking fluted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000000875 corresponding Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001070 adhesive Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/24—Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
- F16H48/34—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
Abstract
The invention belongs to field of mechanical technique, and in particular to a kind of automatically controlled locking differential.A kind of automatically controlled locking differential, including differential mechanism shell and differential cover, installation cavity is equipped in the differential mechanism shell, locking fluted disc is additionally provided in the installation cavity, the locking fluted disc is engaged with adjacent axle shaft gear activity, the connecting pin of the locking fluted disc and the axle shaft gear is equipped with end tooth, and the elasticity reset device for tending to the locking fluted disc far from axle shaft gear is additionally provided between the locking fluted disc and axle shaft gear；The locking fluted disc bottom is equipped with limited post, and the differential mechanism is equipped with corresponding limit hole, and the limited post passes through the limit hole and connect with the push jack of differential mechanism housing outward end；The outer end of the push jack is equipped with the magnetic thrust device for pushing locking fluted disc mobile to axle shaft gear, and the configuration of the present invention is simple is easy to use, can efficiently solve when encountering the road surface of muddy and very severe, automobile adhesive force is not enough easy the phenomenon that skidding.
Description
Technical field
The invention belongs to field of mechanical technique, and in particular to a kind of automatically controlled locking differential.
Background technique
Differential mechanism be it is a kind of with power transmitting and power distribution function device, effect be in the process of moving, when
When automobile encounters turning, the revolving speed that can automatically adjust inside and outside wheel avoids tire to guarantee that foreign steamer will not drag on road surface
Abrasion aggravation, to guarantee the safety coefficient of driving vehicle, improve the service life of retarder.Existing differential mechanism is encountering
When extremely severe road conditions, when such as encountering muddy and very severe road surface, since adhesive force is inadequate, skidding will be generated.
Summary of the invention
The object of the present invention is to provide one kind can better solve when encountering the road surface of muddy and very severe, vapour
Vehicle adhesive force is not enough easy the automatically controlled locking differential to skid.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of automatically controlled locking differential, including differential mechanism shell and differential cover, the differential mechanism shell is interior to be equipped with installation
Cavity is set in the installation cavity there are two axle shaft gear and planet axis, and the planet axis is fixed on installation by planet pin shaft
In cavity, it is arranged with the planetary gear engaged with the axle shaft gear in the planet axis, lock is additionally provided in the installation cavity
Only fluted disc, the locking fluted disc are engaged with adjacent axle shaft gear activity, the connection of the locking fluted disc and the axle shaft gear
End is equipped with end tooth, and being additionally provided between the locking fluted disc and axle shaft gear tends to the locking fluted disc far from axle shaft gear
Elasticity reset device；The locking fluted disc bottom is equipped with multiple limited posts, and the differential mechanism outer casing bottom is equipped with corresponding limit
Hole, the limited post pass through the limit hole and connect with the push jack for being socketed in the differential mechanism housing outward end；Outside the push jack
End is equipped with the magnetic thrust device for pushing locking fluted disc mobile to axle shaft gear；It is described to push away when the magnetic thrust device is opened
Piece stress simultaneously drives locking fluted disc connected to it to be displaced, and makes it that elasticity reset device be overcome to engage with the axle shaft gear.
The magnetic thrust device is socketed on the differential mechanism shell, and the magnetic thrust device includes electromagnetism mounting ring and electricity
Abampere capping, is equipped with toroidal cavity between the electromagnetism mounting ring and the abampere capping, in the middle part of the electromagnetism mounting ring in
Wall is socketed with stress ring, and electromagnetic coil is equipped on the outside of the stress ring, and stress ring end outwardly convex, which is formed, pushes bulge loop, institute
State the outer diameter < abampere capping internal diameter < stress ring outer diameter for pushing bulge loop.
The limited post is equipped with card slot, and the push jack is correspondingly provided with compatible elastic inserted block.
The elastic device resetting apparatus is spring, and one end of the spring is against on locking fluted disc, the spring it is another
One end is connected with force balance plate, and the force balance plate is against on the axle shaft gear, and the spring tends to locking fluted disc
Far from the axle shaft gear；
It is downwardly extending inserted block on the inside of the force balance plate, is equipped with corresponding installation on the inside of the locking fluted disc
Slot.
Middle part protrusion forms stop collar in the differential mechanism shell, and the locking fluted disc, institute are socketed with outside the stop collar
Axle shaft gear is stated to be against on the stop collar.
The axle shaft gear is positioned by axle shaft gear gasket, and the semiaxis is equipped between the axle shaft gear and stop collar
Cog spacers.
The planetary gear is positioned by planet gear pad.
The stress ring is ironwork.
The electromagnetism mounting ring includes inner ring and outer ring, the inner ring be arranged in the middle part of the outer ring and with the outer lap welding
It connects, the inner ring is ironwork, and the outer ring is nonferrous metal product.
The planet axis is cross planet axis, and the planet axis includes main shaft and two and half of square crossing in the middle part of main shaft
Axis, the semiaxis are equipped with the through-hole for planet pin shaft insertion.
The configuration of the present invention is simple is easy to use for prominent and beneficial having the technical effect that compared with prior art by the present invention, can
It efficiently solves when encountering the road surface of muddy and very severe, automobile adhesive force is not enough easy the phenomenon that skidding.
Detailed description of the invention
Fig. 1 is assembling exploded view of the invention.
Fig. 2 is the top view of differential mechanism shell of the invention.
Fig. 3 is the bottom view of locking fluted disc of the invention.
Fig. 4 is the structural schematic diagram of force balance plate of the invention.
In figure: 1- differential mechanism shell；2- differential cover；3- installation cavity；4- axle shaft gear；5- planet axis；6- planet pin
Axis；7- planetary gear；8- locking fluted disc；9- end tooth；10- limited post；11- limit hole；12- push jack；13- electromagnetism mounting ring；14-
Abampere capping；15- toroidal cavity；16- stress ring；17- electromagnetic coil；18- pushes bulge loop；19- card slot；20- elasticity inserted block；
21- spring；22- force balance plate；23- inserted block；24- mounting groove；25- stop collar；26- axle shaft gear gasket；27- planetary gear
Gasket；28- inner ring；The outer ring 29-；30- main shaft；31- semiaxis；32- through-hole.
Specific embodiment
With specific embodiment, the invention will be further described with reference to the accompanying drawing:
According to Fig. 1-4, a kind of automatically controlled locking differential, including differential mechanism shell 1 and differential cover 2, the differential
It is equipped with installation cavity 3 in device shell 1, sets that there are two axle shaft gear 4 and planet axis 5, the planet axis 5 in the installation cavity 3
It is fixed in installation cavity 3 by planet pin shaft 6, the planet tooth engaged with the axle shaft gear 4 is arranged in the planet axis 5
7 are taken turns, locking fluted disc 8 is additionally provided in the installation cavity 3, the locking fluted disc 8 is engaged with adjacent 4 activity of axle shaft gear, institute
The connecting pin for stating locking fluted disc 8 and the axle shaft gear 4 is equipped with end tooth 9, between the locking fluted disc 8 and axle shaft gear 4 also
Equipped with the elasticity reset device for making the locking fluted disc 8 tend to separate axle shaft gear；8 bottom of locking fluted disc is equipped with multiple limits
Position column 10,1 bottom of differential mechanism shell are equipped with corresponding limit hole 11, and the limited post 10 passes through the limit hole 11 and set
Connect the connection of push jack 12 in 1 outer end of differential mechanism shell；The outer end of the push jack 12 is equipped with for pushing locking fluted disc 8 to half
The mobile magnetic thrust device of shaft gear 4；When the magnetic thrust device is opened, 12 stress of push jack simultaneously drives lock connected to it
Only fluted disc 8 is displaced, and makes it that elasticity reset device be overcome to engage with the axle shaft gear 4.When the magnetic thrust device is opened, push jack
12 promotion locking fluted discs 8 make it that elasticity reset device be overcome to engage with axle shaft gear 4, simultaneously because the limit of locking fluted disc bottom
The cooperation of column 10 and limit hole 11 keeps axle shaft gear identical as 1 revolving speed of differential mechanism shell, planetary gear will not rotation, to make two
Side tire rotational speed is identical, realizes locking state, avoids tyre slip.
The magnetic thrust device is socketed on the differential mechanism shell 1, and the magnetic thrust device includes electromagnetism mounting ring 13
With abampere capping 14, toroidal cavity 15, the electromagnetism are equipped between the electromagnetism mounting ring 13 and the abampere capping 14
13 middle part inner wall of mounting ring is socketed with stress ring 16, is equipped with electromagnetic coil 17,16 end of stress ring on the outside of the stress ring 16
Outwardly convex, which is formed, pushes bulge loop 18, outside the outer diameter < abampere capping 14 internal diameter < stress ring 16 for pushing bulge loop 18
Diameter.When the magnetic thrust device is opened, the stress ring 16 in electromagnetism mounting ring is displaced outwardly under by magnetic fields, electromagnetism installation
Lid 14 limits the movement of stress ring 16, but the outer diameter of the promotion bulge loop 18 in stress ring 16 is less than the interior of the abampere capping 14
Diameter allows that bulge loop 18 is pushed to remove, and withstands on push jack 12, makes 12 stress of push jack that locking fluted disc 8 be pushed to nibble with axle shaft gear 4
It closes, after magnetic thrust device is closed, stress ring 16 does not stress, while elasticity reset device tends to locking fluted disc 8 far from half axle gear
Wheel 4, and push jack 12 and stress ring 16 is driven to reset, so that differential mechanism is released locking state.
The limited post 10 is equipped with card slot 19, and the push jack 12 is correspondingly provided with compatible elastic inserted block 20.Card slot 19
Connection with elastic inserted block 20 makes push jack 12 and locking fluted disc 8 preferably link together, and anti-thrust plate 12 falls off.
The elastic device resetting apparatus is spring 21, and one end of the spring 21 is against on locking fluted disc 8, the spring
21 other end is connected with force balance plate 22, and the force balance plate 22 is against on the axle shaft gear 4, and the spring 21 makes
Locking fluted disc 8 tends to far from the axle shaft gear 4；
It is downwardly extending inserted block 23 on the inside of the force balance plate 22, is equipped on the inside of the locking fluted disc 8 corresponding
Mounting groove 24.The connection of force balance plate 22 and locking fluted disc 8 will not fall off elasticity reset device under high speed rotation, stress
Balance plate 22 plays the role of force balance.
Middle part protrusion forms stop collar 25 in the differential mechanism shell 1, is socketed with the locking tooth outside the stop collar 25
Disk 8, the axle shaft gear 4 are against on the stop collar 25.Stop collar 25 plays the mobile effect of guidance locking fluted disc 8, makes
Elasticity reset device can preferably reset locking fluted disc 8, while play the movement and locking fluted disc 8 prevented because of axle shaft gear 4
The phenomenon that engagement, occurs.
The axle shaft gear 4 is positioned by axle shaft gear gasket 26, and institute is equipped between the axle shaft gear 4 and stop collar 25
State axle shaft gear gasket 26.
The planetary gear 7 is positioned by planet gear pad 27.
The stress ring 16 is ironwork.Stress ring 16 can be made mobile by magnetic fields.
The electromagnetism mounting ring 13 includes inner ring 28 and outer ring 29, the inner ring 28 setting 29 middle part of outer ring and with
The outer ring 29 is welded, and the inner ring 28 is ironwork, and the outer ring 29 is nonferrous metal product.When electromagnetic coil is powered
When, outer ring 29 is nonferrous metal product, inner ring 28 be ironwork Shi Caineng allow the stress ring 16 of internal irony by
Magnetic fields are displaced outwardly.
The planet axis 5 is cross planet axis, and the planet axis 5 includes main shaft 30 and two friendships vertical with 30 middle part of main shaft
The semiaxis 31 of fork, the semiaxis 31 are equipped with the through-hole 32 for the planet pin shaft 6 insertion.It is solid that through-hole is inserted by planet pin shaft
Determine semiaxis, will not fall off main shaft by the connection of 2 semiaxis and main shaft.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore: it is all according to
The equivalence changes that structure of the invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (8)
1. a kind of automatically controlled locking differential, including differential mechanism shell and differential cover, the differential mechanism shell is interior to be equipped with installation sky
Chamber is set in the installation cavity there are two axle shaft gear and planet axis, and the planet axis is fixed on installation sky by planet pin shaft
It is intracavitary, the planetary gear engaged with the axle shaft gear is arranged in the planet axis, it is characterised in that: in the installation cavity
It is additionally provided with locking fluted disc, the locking fluted disc is engaged with adjacent axle shaft gear activity, the locking fluted disc and the half axle gear
The connecting pin of wheel is equipped with end tooth, and being additionally provided between the locking fluted disc and axle shaft gear tends to the locking fluted disc far from half
The elasticity reset device of shaft gear；The locking fluted disc bottom be equipped with multiple limited posts, the differential mechanism outer casing bottom be equipped with pair
The limit hole answered, the limited post pass through the limit hole and connect with the push jack for being socketed in the differential mechanism housing outward end；It is described
The outer end of push jack is equipped with the magnetic thrust device for pushing locking fluted disc mobile to axle shaft gear；The magnetic thrust device is opened
When, the push jack stress simultaneously drives locking fluted disc connected to it to be displaced, it is made to overcome elasticity reset device and the half axle gear
Wheel engagement；
One end of the elasticity reset device is against on locking fluted disc, the other end of the elasticity reset device be connected with balance by
Power plate, the force balance plate are against on the axle shaft gear；It is downwardly extending inserted block on the inside of the force balance plate, it is described
Corresponding mounting groove is equipped on the inside of locking fluted disc, the elastic device resetting apparatus is spring, and the spring makes locking fluted disc
Tend to far from the axle shaft gear；Middle part protrusion forms stop collar in the differential mechanism shell, and institute is socketed with outside the stop collar
Locking fluted disc is stated, the axle shaft gear is against on the stop collar；
The magnetic thrust device is socketed on the differential mechanism shell, and the magnetic thrust device includes electromagnetism mounting ring and abampere
Capping.
2. a kind of automatically controlled locking differential according to claim 1, which is characterized in that the electromagnetism mounting ring and the electricity
Toroidal cavity is equipped between abampere capping, inner wall is socketed with stress ring in the middle part of the electromagnetism mounting ring, sets on the outside of the stress ring
There is electromagnetic coil, stress ring end outwardly convex, which is formed, pushes bulge loop, the outer diameter < abampere capping for pushing bulge loop
Internal diameter < stress ring outer diameter.
3. a kind of automatically controlled locking differential according to claim 1, which is characterized in that the limited post is equipped with card slot,
The push jack is correspondingly provided with compatible elastic inserted block.
4. a kind of automatically controlled locking differential according to claim 1, which is characterized in that the axle shaft gear passes through half axle gear
Gasket positioning is taken turns, the axle shaft gear gasket is equipped between the axle shaft gear and stop collar.
5. a kind of automatically controlled locking differential according to claim 1, which is characterized in that the planetary gear passes through planet tooth
Take turns gasket positioning.
6. a kind of automatically controlled locking differential according to claim 2, which is characterized in that the stress ring is ironwork.
7. a kind of automatically controlled locking differential according to claim 2, which is characterized in that the electromagnetism mounting ring includes inner ring
And outer ring, the inner ring are arranged in the middle part of the outer ring and weld with the outer ring, the inner ring is ironwork, and the outer ring is
Nonferrous metal product.
8. a kind of automatically controlled locking differential according to claim 1, which is characterized in that the planet axis is cross planet
Axis, the planet axis include the semiaxis of main shaft and two with square crossing in the middle part of main shaft, and the semiaxis, which is equipped with, supplies the planet
The through-hole of pin shaft insertion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610356013.1A CN105864391B (en) | 2016-05-24 | 2016-05-24 | A kind of automatically controlled locking differential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610356013.1A CN105864391B (en) | 2016-05-24 | 2016-05-24 | A kind of automatically controlled locking differential |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864391A CN105864391A (en) | 2016-08-17 |
| CN105864391B true CN105864391B (en) | 2019-07-30 |
Family
ID=56642209
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610356013.1A Active CN105864391B (en) | 2016-05-24 | 2016-05-24 | A kind of automatically controlled locking differential |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105864391B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438916B (en) * | 2016-12-03 | 2019-09-10 | 唐山爱特精密机器制造有限公司 | Automatically controlled locking helical tooth limited-slip differential |
| CN110425265B (en) * | 2019-07-19 | 2021-08-17 | 金华市安索传动科技有限公司 | Actuator for shaft and differential mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06144040A (en) * | 1992-11-16 | 1994-05-24 | Tochigi Fuji Ind Co Ltd | Differential gear |
| CN101936376A (en) * | 2009-05-29 | 2011-01-05 | 伊顿公司 | The locking differential differential gear of friction disk unloading |
| CN102345718A (en) * | 2010-07-21 | 2012-02-08 | 福特全球技术公司 | Electronic locking differential |
| CN204025594U (en) * | 2014-03-19 | 2014-12-17 | 温岭市海风差速器有限公司 | Electromagnetic locking differential mechanism |
| CN104494427A (en) * | 2014-12-26 | 2015-04-08 | 温岭市华鑫机械制造有限公司 | Electronic differential front axle of all-terrain vehicle |
| CN204358055U (en) * | 2014-12-26 | 2015-05-27 | 温岭市华鑫机械制造有限公司 | All-terrain vehicle electronic differential back axle |
| CN204403315U (en) * | 2015-01-27 | 2015-06-17 | 温岭市华鑫机械制造有限公司 | End tooth lockable mechanism in electronics |
| CN204403312U (en) * | 2015-01-27 | 2015-06-17 | 温岭市华鑫机械制造有限公司 | Electromagnetic push no-spin lockup |
| CN204403316U (en) * | 2015-01-27 | 2015-06-17 | 温岭市华鑫机械制造有限公司 | Electronics spline lockable mechanism |
| CN204573001U (en) * | 2015-01-27 | 2015-08-19 | 温岭市华鑫机械制造有限公司 | Differential mechanism keying structure |
| CN205654818U (en) * | 2016-05-24 | 2016-10-19 | 温岭市海风差速器有限公司 | Automatically controlled locking differential |
-
2016
- 2016-05-24 CN CN201610356013.1A patent/CN105864391B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06144040A (en) * | 1992-11-16 | 1994-05-24 | Tochigi Fuji Ind Co Ltd | Differential gear |
| CN101936376A (en) * | 2009-05-29 | 2011-01-05 | 伊顿公司 | The locking differential differential gear of friction disk unloading |
| CN102345718A (en) * | 2010-07-21 | 2012-02-08 | 福特全球技术公司 | Electronic locking differential |
| CN204025594U (en) * | 2014-03-19 | 2014-12-17 | 温岭市海风差速器有限公司 | Electromagnetic locking differential mechanism |
| CN104494427A (en) * | 2014-12-26 | 2015-04-08 | 温岭市华鑫机械制造有限公司 | Electronic differential front axle of all-terrain vehicle |
| CN204358055U (en) * | 2014-12-26 | 2015-05-27 | 温岭市华鑫机械制造有限公司 | All-terrain vehicle electronic differential back axle |
| CN204403315U (en) * | 2015-01-27 | 2015-06-17 | 温岭市华鑫机械制造有限公司 | End tooth lockable mechanism in electronics |
| CN204403312U (en) * | 2015-01-27 | 2015-06-17 | 温岭市华鑫机械制造有限公司 | Electromagnetic push no-spin lockup |
| CN204403316U (en) * | 2015-01-27 | 2015-06-17 | 温岭市华鑫机械制造有限公司 | Electronics spline lockable mechanism |
| CN204573001U (en) * | 2015-01-27 | 2015-08-19 | 温岭市华鑫机械制造有限公司 | Differential mechanism keying structure |
| CN205654818U (en) * | 2016-05-24 | 2016-10-19 | 温岭市海风差速器有限公司 | Automatically controlled locking differential |
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| Publication number | Publication date |
|---|---|
| CN105864391A (en) | 2016-08-17 |
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