CN106907455A - A kind of automatically controlled back bridge differential lock device - Google Patents
A kind of automatically controlled back bridge differential lock device Download PDFInfo
- Publication number
- CN106907455A CN106907455A CN201710287314.8A CN201710287314A CN106907455A CN 106907455 A CN106907455 A CN 106907455A CN 201710287314 A CN201710287314 A CN 201710287314A CN 106907455 A CN106907455 A CN 106907455A
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- China
- Prior art keywords
- shift fork
- torsion spring
- changer lever
- lock
- differential
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- 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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- 210000000078 claw Anatomy 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- 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
-
- 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
- F16H48/38—Constructional details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of automatically controlled back bridge differential lock device, belong to system of vehicle transmission field, including the lock panel being arranged on differential casing and the lock body being arranged in right case, the lock panel end face relative with the lock body is provided with the lockhole and dead bolt of mutual cooperation, and the lock body includes switch plate, control assembly, magnetic valve.The present invention controls the shift fork in control assembly by solenoid travel, so as to control the position of switch plate, reaches differential lock locking or the only function of lock.Simple structure of the present invention, integrates gearbox, differential lock back axle, convenient and reliable operation.
Description
Technical field
The present invention relates to system of vehicle transmission field, more particularly to a kind of automatically controlled back bridge differential lock device.
Background technology
The power of the engines such as all-terrain vehicle, electric motor car finally proceeds to drive axle through clutch, speed changer, power transmission shaft
Semiaxis driving moment is distributed in left and right again, and in this power transmission approach, drive axle is last assembly, its main portion
Part is decelerator and differential mechanism.Open differential is by planetary gear, planetary wheel carrier（Differential carrier）, the part group such as axle shaft gear
Into.The power of engine enters differential mechanism through power transmission shaft, directly drives planetary wheel carrier, then drive left and right two and half by planetary gear
Axle, drives left and right wheel respectively.When automobile is kept straight on, left and right wheel is equal with the rotating speed of planetary wheel carrier three in equilibrium-like
State, and in automobile turning, three's poised state is destroyed, and causes inner side wheel speed to reduce, outside wheel speed increases.Differential mechanism
Effect be exactly while power is transmitted to both sides semiaxis, it is allowed to both sides semiaxis is rotated with different rotating speed, meets both sides car
Wheel makees Unequal distance traveling in the form of pure rolling as far as possible, reduces the friction of tire and ground.Differential mechanism has individual weakness：Encounter evil
Bad road surface such as husky, mud ground when, as long as a wheel is absorbed in slipping state, the wheel of the differential mechanism other end can completely lose power and
Do not move at all.So, when a driving wheel skids it is necessary to differential lock that differential carrier and half shaft locking is integral, make difference
Fast device loses differential action, all torsion torque can be transferred in another side drive wheel.
To solve this problem, just it is necessary to have differential lock, the complete locking in gear train part of differential mechanism, make differential
With interim failure, two semiaxis are carried out into gun iron link, become an entirety, the wheel of such both sides can be obtained by together
The power of sample, allows vehicle to move ahead.Patent No. 201410033568.3, patent name is special for the invention of " a kind of differential lock "
Profit replaces friction plate by using brake shoe, so as to reduce abrasion, reduces use cost.But the locking of the differential lock and braking be by
The state of driving wheel is determined, it is impossible to by external switch control.
The content of the invention
It is an object of the invention to provide a kind of simple structure, can be by the electricity of the working condition of artificial control differential lock
Control back bridge differential lock device, so that the various emergency situations run into when adapting to running car.
The technical scheme is that：
A kind of automatically controlled back bridge differential lock device, including lock panel and lock body, lock panel one are arranged on differential casing upper end
Face, including the lockhole of differential casing upper surface is evenly distributed on, lock body includes the switch plate, the control group that are located in right case
Part, magnetic valve, are provided with the dead bolt cooperated with lockhole on switch plate and differential casing opposing end surface, and switch plate is provided with
Circular track, switch plate is slidably connected with control assembly, and control assembly is connected with magnetic valve contact.
Further technical scheme, control assembly includes that shift fork, changer lever torsion spring, switching shaft, switching axle sleeve, return are turned round
Spring, changer lever, switching shaft run through connection changer lever, changer lever torsion spring, return torsion spring, shift fork through switching axle sleeve, switching axle sleeve,
Changer lever, changer lever torsion spring, return torsion spring, shift fork are distributed from center to two ends and can be rotated around switching axle sleeve, control assembly
Be fixed between differential casing and right case by switching shaft, shift fork one end is slidably connected with switch plate, the shift fork other end with
Magnetic valve stretches into the solenoid travel contact connection in right case.
Further technical scheme, shift fork includes shift fork axle, shift fork claw, shift fork handle set, and shift fork axle is in semicircular arc,
Shift fork axle two ends are provided with the shift fork claw of protrusion, and shift fork claw is slidably connected with circular track, and shift fork handle set is dialled in inverted U-shaped
Fork shaft is welded to connect with shift fork handle set, and weld is provided with four torsion spring jacks.
Further technical scheme, changer lever torsion spring includes U-shaped torsion spring, is mutually perpendicular to U-shaped torsion spring and symmetrical
It is left-handed it is close around, dextrorotation it is close around, it is left-handed it is close around, dextrorotation it is close around the two torsion spring jacks that are inserted in weld of end points in it is fixed.
Further technical scheme a, torque arm of two return torsion springs is inserted in two torsion spring jacks outside weld admittedly
Fixed, another torque arm is stuck on right case inwall.
Further technical scheme, changer lever bottom is provided with a groove, and groove size matches with U-shaped torsion spring.
Beneficial effects of the present invention：
1st, the present invention forms a control assembly by parts such as shift fork, return torsion springs, and is slidably connected with switch plate, by cutting
The cooperation of lockhole on disk upper lock tongue and differential casing is changed so that differential lock or only locking, its simple structure is hardly damaged,
Greatly save use cost.
2nd, during solenoid valves, solenoid travel reach makes shift fork be rotated clockwise around switching axle sleeve, and fork drives return
Torsion spring extends energy storage, while fork drives switch plate to move to right, so that switch plate is separated with differential casing, and it is in this case, poor
Speed lock does not work.After magnetic valve power-off, solenoid travel retraction, the reserve elastic force of return torsion spring pulls fork to rotate counterclockwise,
Fork stirs switch plate and moves back to multiple reset condition, differential lock locking.Under the effect of no external force, due to the work of return torsion spring
With differential lock is in running order all the time, and the present invention operates more convenient, reliability high.
3rd, the present invention is improved on former differential casing, and compact conformation integrates gearbox, differential lock back axle,
Realize the function of differential lock and differential.
Brief description of the drawings
Fig. 1 is automatically controlled back bridge differential lock device structural representation,
Fig. 2 is part-structure schematic diagram front view on differential casing in Fig. 1,
Fig. 3 is switch plate structural representation front view in Fig. 1,
Fig. 4 is switch plate structural representation left view in Fig. 1,
Fig. 5 is control assembly structural representation in Fig. 1,
Fig. 6 is shifting fork structure schematic diagram front view in Fig. 1,
Fig. 7 is shifting fork structure schematic diagram left view in Fig. 1,
Fig. 8 is shifting fork structure schematic bottom view in Fig. 1,
Fig. 9 is changer lever torsion spring structural representation front view in Fig. 1,
Figure 10 is changer lever torsion spring structural representation right view in Fig. 1,
Figure 11 is return torsion spring structural representation front view in Fig. 1,
Figure 12 is changer lever structural representation in Fig. 1,
Wherein, 1, differential casing, 11, lockhole, 2, right case, 3, switch plate, 31, dead bolt, 32, circular track, 4, control group
Part, 41, shift fork, 411, shift fork axle, 412, shift fork claw, 413, shift fork handle set, 414, torsion spring jack, 42, changer lever torsion spring,
421st, U-shaped torsion spring, 422, it is left-handed it is close around, 423, dextrorotation it is close around 43, switching shaft, 44, switching axle sleeve, 45, return torsion spring, 46, cut
Change bar, 5, magnetic valve, 51, solenoid travel.
Specific embodiment
Below by non-limiting example, the present invention is expanded on further with reference to accompanying drawing, understands the present invention.
As Figure 1-5, the present invention includes lock panel and lock body, and lock panel one is arranged on the upper end of differential casing 1
Face, including the lockhole 11 of the upper surface of differential casing 1 is evenly distributed on, lock body includes the switch plate 3, the control that are located in right case 2
Component processed 4, magnetic valve 5, are provided with the dead bolt 31 cooperated with lockhole 11 on switch plate 3 and the opposing end surface of differential casing 1,
Locking differential is matched by lockhole 11 and dead bolt 31.Circular track 32 is additionally provided with switch plate 3, control assembly 4 includes dialling
Fork 41, changer lever torsion spring 42, switching shaft 43, switching axle sleeve 44, return torsion spring 45, changer lever 46, switching shaft 43 run through switching shaft
Set 44, switching axle sleeve 44 is through connection changer lever 46, changer lever torsion spring 42, return torsion spring 45, shift fork 41, changer lever 46, switching
Bar torsion spring 42, return torsion spring 45, shift fork 41 are distributed from center to two ends and can be rotated around switching axle sleeve 44, and switching axle sleeve 44 is consolidated
It is scheduled between differential casing 1 and right case 2, the one end of shift fork 41 is slidably connected with switch plate 3, solenoid travel 51 stretches into right case
With another end in contact of shift fork 41 in body 2.
As Fig. 6-8, shift fork 41 include shift fork axle 411, shift fork claw 412, shift fork handle set 413, shift fork axle 411 is in semicircle
Arc, the two ends of shift fork axle 411 are provided with the shift fork claw 412 of protrusion, and shift fork claw 412 is slidably connected with circular track 32, shift fork
Handle set 413 is in inverted U-shaped, and the bottom of shift fork axle 411 is connected with the welded top of shift fork handle set 413, and junction is provided with four torsion springs
Jack 414.
Such as Fig. 9-12, changer lever torsion spring 42 includes U-shaped torsion spring 421, is mutually perpendicular to U-shaped torsion spring 421 and symmetrical
Left-handed close close around 423 around 422, dextrorotation, left-handed close two torsion springs being inserted in around the close end points around 423 of 422, dextrorotation in weld are inserted
It is fixed in hole 414.The bottom of changer lever 46 is provided with a groove 461, and the size of groove 461 matches with U-shaped torsion spring 421.Changer lever leads to
Groove 461 is crossed to be fixed on changer lever torsion spring 42.Two torsion springs that one torque arm of two return torsion springs 45 is inserted in outside weld are inserted
Fixed in hole 414, another torque arm is stuck on the inwall of right case 2.
When control assembly 4 is installed, changer lever 46 and changer lever torsion spring 42 are through on switching axle sleeve 44, then, filled respectively
Four torsion springs that upper shift fork 41 and return torsion spring 45, wherein changer lever torsion spring 42 are inserted on shift fork 41 respectively with return torsion spring 45 are inserted
In hole 414, control assembly 4 is fixed in right case 2 with switching shaft 43 finally.
Changer lever torsion spring 42 is used for fixing the relative position of changer lever 46 and shift fork 41, when switch plate 3 dead bolt 31 with it is poor
Lockhole 11 on fast device housing 1 can not intact combination when, changer lever torsion spring 42 can allow power to switch plate 3 one, wait differential mechanism
When housing 1 goes to matching position, lockhole 11 on the dead bolt 31 of switch plate 3 and differential casing 1 in conjunction with.
When magnetic valve 5 is powered, the reach of solenoid travel 51 makes shift fork 41 be rotated clockwise for 43 sets around switching shaft, the band of fork 41
Dynamic return torsion spring 45 extends energy storage, while fork 41 drives switch plate 3 to move to right, so that switch plate 3 is separated with differential casing 1,
Dead bolt 31 leaves lockhole 11, and in this case, differential lock does not work.
After magnetic valve 5 is powered off, the retraction of solenoid travel 51, the reserve elastic force of return torsion spring 45 pulls fork 41 to turn counterclockwise
Dynamic, fork 41 stirs switch plate 3 and moves back to multiple reset condition, and dead bolt 31 is entrenched togather with lockhole 11, differential lock.Do not having
Under having external force to act on, due to the effect of return torsion spring 45, differential lock is in running order all the time, and differential mechanism is locked.
In sum, compact conformation of the present invention, integrates gearbox, differential lock back axle, easy to use, greatly reduces
Use cost.
Claims (6)
1. a kind of automatically controlled back bridge differential lock device, including lock panel and lock body, it is characterised in that the setting of the lock panel one
In differential casing（1）Upper surface, the lock panel also includes being evenly distributed on differential casing（1）The lockhole of upper surface
（11）, the lock body is including being located at right case（2）Interior switch plate（3）, control assembly（4）, magnetic valve（5）, in the switching
Disk（3）With the differential casing（1）Opposing end surface is provided with and lockhole（11）The dead bolt of mutual cooperation（31）, the switch plate
（3）It is provided with circular track（32）, the switch plate（3）With the control assembly（4）It is slidably connected, the control assembly（4）
With the magnetic valve（5）Contact connection.
2. a kind of automatically controlled back bridge differential lock device according to claim 1, it is characterised in that the control assembly（4）Bag
Include shift fork（41）, changer lever torsion spring（42）, switching shaft（43）, switching axle sleeve（44）, return torsion spring（45）, changer lever（46）, institute
State switching shaft（43）Through switching axle sleeve（44）, the switching axle sleeve（44）Through connection changer lever（46）, changer lever torsion spring
（42）, return torsion spring（45）, shift fork（41）, the changer lever（46）, changer lever torsion spring（42）, return torsion spring（45）, shift fork
（41）From center to two ends distribution and can around switching axle sleeve（44）Rotate, the control assembly（4）By switching shaft（43）Gu
It is scheduled on differential casing（1）With right case（2）Between, the shift fork（41）One end and switch plate（3）It is slidably connected, shift fork（41）
The other end and the magnetic valve（5）Stretch into right case（2）Interior solenoid travel（51）Contact connection.
3. a kind of automatically controlled back bridge differential lock device according to claim 2, it is characterised in that the shift fork（41）Including dialling
Fork shaft（411）, shift fork claw（412）, shift fork handle set（413）, the shift fork axle（411）In semicircular arc, the shift fork axle
（411）Two ends are provided with the shift fork claw of protrusion（412）, the shift fork claw（412）With circular track（32）It is slidably connected, it is described
Shift fork handle set（413）In inverted U-shaped, the shift fork axle（411）With shift fork handle set（413）It is welded to connect, weld is provided with four
Individual torsion spring jack（414）.
4. a kind of automatically controlled back bridge differential lock device according to claim 2, it is characterised in that the changer lever torsion spring（42）
Including U-shaped torsion spring（421）, with U-shaped torsion spring（421）Be mutually perpendicular to and it is symmetrical it is left-handed close around（422）, dextrorotation it is close around
（423）, it is described it is left-handed it is close around（422）, dextrorotation it is close around（423）End points insertion weld in two torsion spring jacks（414）It is interior solid
It is fixed.
5. a kind of automatically controlled back bridge differential lock device according to claim 2, it is characterised in that described two return torsion springs
（45）A torque arm insertion weld outside two torsion spring jacks（414）Interior fixation, another torque arm is stuck in right case（2）On inwall.
6. a kind of automatically controlled back bridge differential lock device according to claim 3, it is characterised in that the changer lever（46）Bottom
It is provided with a groove（461）, the groove（461）Size and U-shaped torsion spring（421）Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287314.8A CN106907455A (en) | 2017-04-27 | 2017-04-27 | A kind of automatically controlled back bridge differential lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710287314.8A CN106907455A (en) | 2017-04-27 | 2017-04-27 | A kind of automatically controlled back bridge differential lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106907455A true CN106907455A (en) | 2017-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710287314.8A Pending CN106907455A (en) | 2017-04-27 | 2017-04-27 | A kind of automatically controlled back bridge differential lock device |
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| CN (1) | CN106907455A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230064843A1 (en) * | 2021-08-24 | 2023-03-02 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Wheel driving device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879282A (en) * | 2012-12-24 | 2014-06-25 | 江苏林海动力机械集团公司 | Two-wheel drive and four-wheel drive differential front axle device of all-terrain vehicle |
| CN206958198U (en) * | 2017-04-27 | 2018-02-02 | 江苏林海动力机械集团有限公司 | A kind of automatically controlled back bridge differential lock device |
-
2017
- 2017-04-27 CN CN201710287314.8A patent/CN106907455A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103879282A (en) * | 2012-12-24 | 2014-06-25 | 江苏林海动力机械集团公司 | Two-wheel drive and four-wheel drive differential front axle device of all-terrain vehicle |
| CN206958198U (en) * | 2017-04-27 | 2018-02-02 | 江苏林海动力机械集团有限公司 | A kind of automatically controlled back bridge differential lock device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230064843A1 (en) * | 2021-08-24 | 2023-03-02 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Wheel driving device |
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