CN104500686A - Electronic differential rear axle of all-terrain vehicle - Google Patents
Electronic differential rear axle of all-terrain vehicle Download PDFInfo
- Publication number
- CN104500686A CN104500686A CN201410823327.9A CN201410823327A CN104500686A CN 104500686 A CN104500686 A CN 104500686A CN 201410823327 A CN201410823327 A CN 201410823327A CN 104500686 A CN104500686 A CN 104500686A
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- China
- Prior art keywords
- gear
- back axle
- differential
- fluted disc
- movable end
- 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.)
- Pending
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- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000001737 promoting effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013589 supplement Substances 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
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
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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
- F16H48/40—Constructional details characterised by features of the rotating cases
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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 provides an electronic differential rear axle of an all-terrain vehicle, belongs to the technical field of machinery, and solves the problem that the conventional rear axle cannot realize self-locking. The electronic differential rear axle of the all-terrain vehicle comprises a rear axle box body, a rear axle box cover buckled with the right side of the rear axle box body and an input gear shaft arranged in the rear axle box body in a penetrating manner, wherein a differential housing is arranged in the rear axle box body; a left half-axle gear, an end-toothed half-axle gear and a planetary gear are arranged in the differential housing; a major-arc gear buckled with the right side of the differential housing is arranged in the rear axle box body; the major-arc gear is in transmission connection with the input gear shaft; a movable end-toothed disc, which is coaxial with the end-toothed half-axle gear, is fixedly connected to the major-arc gear in the circumferential direction; the end teeth I of the movable end-toothed disc is matched with the end teeth II of the end-toothed half-axle gear; a pushing structure for pushing the movable end-toothed disc to move axially to the end-toothed half-axle gear is arranged in the rear axle box cover; a reset piece is arranged between the end-toothed half-axle gear and the movable end-toothed disc.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of all-terrain vehicle back axle, particularly a kind of all-terrain vehicle electronic differential back axle.
Background technique
Differential mechanism is a kind of device with transmission of power and power distribution function, its effect is in the process of moving, when vehicle runs into turning, automatically the rotating speed of inside and outside wheel can be regulated, to ensure that foreign steamer can not drag on road surface, avoid the wearing and tearing of tire to aggravate, thus ensure the safety coefficient of moving vehicle, improve the service life of retarder.Existing differential mechanism, when running into extremely severe road conditions, when a certain bridge as beach buggy or farmer's car runs into the road surface of muddy and very severe, because adhesion is inadequate, will produce skidding.
For preventing the generation of skidding, Chinese patent discloses the differential mechanism [Authorization Notice No. CN202690954U] of a kind of translator auxiliary drive fork type slide limiting differential lock, it comprises driving gear, driving gear is meshed with upper and lower two driven gears respectively, driving gear and driven gear are arranged in differential mechanism shell, upper and lower two driven gears are meshed with left half axle gear jointly, the axle of left half axle gear realizes being connected by transfer coupling with left half axle, on transfer coupling, movable sheath is provided with shaft coupling sliding sleeve, shaft coupling sliding sleeve is fixedly connected with one end of shift fork, the other end of shift fork is fixedly connected with tooth bar, rack and pinion is meshed, gear connects the output shaft of helper motor.When shaft coupling sliding sleeve engages with differential mechanism shell, realize locking state, avoid it to skid.
Owing to adopting motor as driver element in this differential mechanism, motor pushes away by force connecting shaft sliding sleeve and has lasting thrust, connecting shaft sliding sleeve and the positively engaging of differential mechanism shell, produce instant jitter, affect the stability of vehicle, the running of helper motor drives shift fork translation, shift fork is stirred shaft coupling sliding sleeve and is moved to left half axle gear direction, time mobile, shaft coupling sliding sleeve discontinuity, easily stuck on transfer coupling, and locking lost efficacy.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose the all-terrain vehicle electronic differential back axle that a kind of self-locking is effective, limit cunning is effective.
Object of the present invention realizes by following technical proposal:
This all-terrain vehicle electronic differential back axle, comprise back axle casing, the input gear axle being fastened on the back axle case lid on the right side of back axle casing and being arranged in back axle casing, differential housing is provided with in described back axle casing, left half axle gear is provided with in described differential housing, end tooth differential gear and the planetary pinion simultaneously engaged with left half axle gear and end tooth differential gear respectively, it is characterized in that, the large gear with curved teeth be fastened on the right side of differential housing is provided with in described back axle casing, described large gear with curved teeth is connected with input gear shaft drive, described large gear with curved teeth inner circumferential is fixed with the movable end fluted disc coaxially arranged with end tooth differential gear, the end tooth one of described movable end fluted disc is equipped with the end tooth two-phase of end tooth differential gear, the thrust structure of axially moving to end tooth differential gear for promoting movable end fluted disc is provided with in described back axle case lid, return unit is provided with between described end tooth differential gear and movable end fluted disc.
In above-mentioned all-terrain vehicle electronic differential back axle, described thrust structure comprises the framework be fixed in back axle case lid and the thrust electromagnetic coil be located in framework, described thrust electromagnetic coil and movable end fluted disc are coaxially arranged, also be provided with in described framework when promoting the movable thrust sleeve that movable end fluted disc moves to end tooth differential gear after the energising of thrust electromagnetic coil, described movable thrust sleeve and movable end fluted disc are coaxially arranged.
In above-mentioned all-terrain vehicle electronic differential back axle, the inner side of described large gear with curved teeth is provided with internal tooth, described movable end fluted disc be circumferentially with the external tooth be meshed with this internal tooth.Under the engagement of this external tooth and internal tooth, movable end fluted disc and large gear with curved teeth all the time circumference are connected.
In above-mentioned all-terrain vehicle electronic differential back axle, described return unit is spring.
In above-mentioned all-terrain vehicle electronic differential back axle, between described input gear axle and back axle casing, be provided with bearing one and bearing two, between described differential housing and back axle casing, be provided with bearing three, between described large gear with curved teeth and back axle case lid, be provided with bearing four.
During work, driven by motor input gear axle rotates, and input gear axle drives large gear with curved teeth to rotate, and large gear with curved teeth drives differential housing and movable end fluted disc to rotate simultaneously, under planetary effect, drive left half axle gear and end tooth differential gear to rotate, thus the speed realizing two semiaxis export.When there is skidding in wheel, thrust electromagnetic coil is energized, thrust electromagnetic coil produces magnetic field, under the influence of a magnetic field, movable thrust sleeve moves to movable end fluted disc direction, the flexible movable end fluted disc that promotes moves to end tooth differential gear direction, namely movable end fluted disc is along large gear with curved teeth axial motion, the end tooth two of the end tooth one and end tooth differential gear that realize movable end fluted disc engages, under the acting in conjunction that the internal tooth of large gear with curved teeth engages with the external tooth of movable end fluted disc, realize locking state, avoid skidding, now spring is compressed, and has elasticity force.When after closedown thrust electromagnetic coil, the end motion to the right of movable thrust sleeve, movable end fluted disc is under the action of the spring away from end tooth differential gear, and the end tooth one of movable end fluted disc is separated with the end tooth two of end tooth differential gear.
Compared with prior art, this all-terrain vehicle electronic differential back axle has the following advantages:
Its compact structure, locking speed is responsive, effectively can improve the driveability of car load, flexible promotion activity thrust sleeve, stop motor and spread to by force the lasting thrust of generation, the end tooth two of end tooth differential gear is adopted to engage with the end tooth one of movable end fluted disc, structure is new-type, miniaturization, strengthen locked power, except applicable all-terrain vehicle, also be applicable to duck, go-anywhere vehicle, loading vehicle, engineering truck, agricultural vehicle and other refitted cars, can be used for manual gear and automatic catch vehicle, both the right side of car body can be arranged on, also the left side of car body can be arranged on, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment provided by the invention.
In figure, 11, back axle casing; 12, back axle case lid; 13, input gear axle; 21, differential housing; 22, left half axle gear; 23, end tooth differential gear; 231, end tooth two; 24, planetary pinion; 25, large gear with curved teeth; 251, internal tooth; 3, movable end fluted disc; 31, end tooth one; 32, external tooth; 4, return unit; 51, framework; 52, thrust electromagnetic coil; 53, movable thrust sleeve; 61, bearing one; 62, bearing two; 63, bearing three; 64, bearing four.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
All-terrain vehicle electronic differential back axle as shown in Figure 1, the input gear axle 13 comprising back axle casing 11, be fastened on the back axle case lid 12 on the right side of back axle casing 11 and be arranged in back axle casing 11, the large gear with curved teeth 25 being provided with differential housing 21 in back axle casing 11 and being fastened on the right side of differential housing 21, this large gear with curved teeth 25 is in transmission connection with input gear axle 13.The planetary pinion 24 being provided with left half axle gear 22, end tooth differential gear 23 and engaging with left half axle gear 22 and end tooth differential gear 23 respectively simultaneously in differential housing 21, large gear with curved teeth 25 inner circumferential is fixed with the coaxial movable end fluted disc 3 arranged with end tooth differential gear 23, and the end tooth 1 of movable end fluted disc 3 matches with the end tooth 2 231 of end tooth differential gear 23 and arranges.As shown in Figure 1, being provided with for promoting the thrust structure of movable end fluted disc 3 to end tooth differential gear 23 axial motion, being provided with return unit 4 between end tooth differential gear 23 and movable end fluted disc 3 in back axle case lid 12, the return unit 4 in this embodiment is spring.
Concrete, as shown in Figure 1, thrust structure comprises the framework 51 be fixed in back axle case lid 12 and the thrust electromagnetic coil 52 be located in framework 51, thrust electromagnetic coil 52 and movable end fluted disc 3 are coaxially arranged, also be provided with in framework 51 and can promote the movable thrust sleeve 53 that movable end fluted disc 3 move to end tooth differential gear 23 after thrust electromagnetic coil 52 is energized, movable thrust sleeve 53 and movable end fluted disc 3 are coaxially arranged.
For ensure movable end fluted disc 3 and large gear with curved teeth 25 all the time circumference be connected, as shown in Figure 1, be provided with internal tooth 251 in the inner side of large gear with curved teeth 25, movable end fluted disc 3 be circumferentially with the external tooth 32 be meshed with this internal tooth 251.
In the present embodiment, as shown in Figure 1, be provided with bearing 1 and bearing 2 62 between input gear axle 13 and back axle casing 11, between differential housing 21 and back axle casing 11, be provided with bearing 3 63, between large gear with curved teeth 25 and back axle case lid 12, be provided with bearing 4 64.
During work, driven by motor input gear axle 13 rotates, input gear axle 13 drives large gear with curved teeth 25 to rotate, large gear with curved teeth 25 drives differential housing 21 and movable end fluted disc 3 to rotate simultaneously, under the effect of planetary pinion 24, drive left half axle gear 22 and end tooth differential gear 23 to rotate, thus the speed realizing two semiaxis export.When there is skidding in wheel, thrust electromagnetic coil 52 is energized, thrust electromagnetic coil 52 produces magnetic field, under the influence of a magnetic field, movable thrust sleeve 53 moves to movable end fluted disc 3 direction, the flexible movable end fluted disc 3 that promotes moves to end tooth differential gear 23 direction, namely movable end fluted disc 3 is along the axial motion of large gear with curved teeth 25, the end tooth 2 231 of the end tooth 1 and end tooth differential gear 23 that realize movable end fluted disc 3 engages, under the acting in conjunction that the internal tooth 251 of large gear with curved teeth 25 engages with the external tooth 32 of movable end fluted disc 3, realize locking state, avoid skidding, now spring is compressed, there is elasticity force.When after closedown thrust electromagnetic coil 52, the end motion to the right of movable thrust sleeve 53, movable end fluted disc 3 is under the action of the spring away from end tooth differential gear 23, and the end tooth 1 of movable end fluted disc 3 is separated with the end tooth 2 231 of end tooth differential gear 23.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (5)
1. an all-terrain vehicle electronic differential back axle, comprise back axle casing (11), the back axle case lid (12) being fastened on back axle casing (11) right side and the input gear axle (13) be arranged in back axle casing (11), differential housing (21) is provided with in described back axle casing (11), left half axle gear (22) is provided with in described differential housing (21), end tooth differential gear (23) and the planetary pinion (24) simultaneously engaged with left half axle gear (22) and end tooth differential gear (23) respectively, it is characterized in that, the large gear with curved teeth (25) being fastened on differential housing (21) right side is provided with in described back axle casing (11), described large gear with curved teeth (25) and input gear axle (13) are in transmission connection, described large gear with curved teeth (25) inner circumferential is fixed with the coaxial movable end fluted disc (3) arranged with end tooth differential gear (23), the end tooth one (31) of described movable end fluted disc (3) matches with the end tooth two (231) of end tooth differential gear (23) and arranges, be provided with for promoting the thrust structure of movable end fluted disc (3) to end tooth differential gear (23) axial motion in described back axle case lid (12), return unit (4) is provided with between described end tooth differential gear (23) and movable end fluted disc (3).
2. all-terrain vehicle electronic differential back axle according to claim 1, it is characterized in that, described thrust structure comprises the framework (51) be fixed in back axle case lid (12) and the thrust electromagnetic coil (52) be located in framework (51), described thrust electromagnetic coil (52) and movable end fluted disc (3) are coaxially arranged, also be provided with when promoting the movable thrust sleeve (53) that movable end fluted disc (3) moves to end tooth differential gear (23) after thrust electromagnetic coil (52) energising in described framework (51), described movable thrust sleeve (53) and movable end fluted disc (3) are coaxially arranged.
3. all-terrain vehicle electronic differential back axle according to claim 1 and 2, it is characterized in that, the inner side of described large gear with curved teeth (25) is provided with internal tooth (251), described movable end fluted disc (3) be circumferentially with the external tooth (32) be meshed with this internal tooth (251).
4. all-terrain vehicle electronic differential back axle according to claim 1 and 2, is characterized in that, described return unit (4) is spring.
5. all-terrain vehicle electronic differential back axle according to claim 1 and 2, it is characterized in that, bearing one (61) and bearing two (62) is provided with between described input gear axle (13) and back axle casing (11), be provided with bearing three (63) between described differential housing (21) and back axle casing (11), between described large gear with curved teeth (25) and back axle case lid (12), be provided with bearing four (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823327.9A CN104500686A (en) | 2014-12-26 | 2014-12-26 | Electronic differential rear axle of all-terrain vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823327.9A CN104500686A (en) | 2014-12-26 | 2014-12-26 | Electronic differential rear axle of all-terrain vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500686A true CN104500686A (en) | 2015-04-08 |
Family
ID=52942118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410823327.9A Pending CN104500686A (en) | 2014-12-26 | 2014-12-26 | Electronic differential rear axle of all-terrain vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500686A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156632A (en) * | 2015-09-23 | 2015-12-16 | 温岭市华鑫机械制造有限公司 | Drive axle self-locking differential |
| CN112923040A (en) * | 2021-04-19 | 2021-06-08 | 吉林大学 | Magnetorheological fluid-based planetary gear type differential with self-locking function |
| CN115325130A (en) * | 2021-04-23 | 2022-11-11 | 广东富华重工制造有限公司 | Differential lock structure and axle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271722A (en) * | 1979-08-01 | 1981-06-09 | Dana Corporation | Axle disconnect |
| JPH02286944A (en) * | 1989-04-28 | 1990-11-27 | Tochigi Fuji Ind Co Ltd | Differential device |
| US20050070393A1 (en) * | 2003-09-29 | 2005-03-31 | Degowske Robert J. | Locking differential with electromagnetic actuator |
| CN202220839U (en) * | 2011-09-15 | 2012-05-16 | 云南省农业机械研究所 | Differential mechanism with self-locking function |
| 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 |
-
2014
- 2014-12-26 CN CN201410823327.9A patent/CN104500686A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271722A (en) * | 1979-08-01 | 1981-06-09 | Dana Corporation | Axle disconnect |
| JPH02286944A (en) * | 1989-04-28 | 1990-11-27 | Tochigi Fuji Ind Co Ltd | Differential device |
| US20050070393A1 (en) * | 2003-09-29 | 2005-03-31 | Degowske Robert J. | Locking differential with electromagnetic actuator |
| CN202220839U (en) * | 2011-09-15 | 2012-05-16 | 云南省农业机械研究所 | Differential mechanism with self-locking function |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156632A (en) * | 2015-09-23 | 2015-12-16 | 温岭市华鑫机械制造有限公司 | Drive axle self-locking differential |
| CN112923040A (en) * | 2021-04-19 | 2021-06-08 | 吉林大学 | Magnetorheological fluid-based planetary gear type differential with self-locking function |
| CN115325130A (en) * | 2021-04-23 | 2022-11-11 | 广东富华重工制造有限公司 | Differential lock structure and axle |
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Application publication date: 20150408 |
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