CN104527412A - Electromagnetic thrust self-locking rear axle - Google Patents
Electromagnetic thrust self-locking rear axle Download PDFInfo
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- CN104527412A CN104527412A CN201410823417.8A CN201410823417A CN104527412A CN 104527412 A CN104527412 A CN 104527412A CN 201410823417 A CN201410823417 A CN 201410823417A CN 104527412 A CN104527412 A CN 104527412A
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- gear
- back axle
- rear axle
- locking
- differential housing
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000000875 corresponding Effects 0.000 claims description 3
- 230000002093 peripheral Effects 0.000 claims description 3
- 230000001737 promoting Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000149 penetrating Effects 0.000 abstract 1
- 230000001808 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000002045 lasting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 101700064689 AMPH Proteins 0.000 description 1
- 230000001070 adhesive Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
Abstract
The invention provides an electromagnetic thrust self-locking rear axle, and belongs to the technical field of machines. The rear axle solves the problem that an existing rear axle slips and can not achieve self-locking. The electromagnetic thrust self-locking rear axle comprises a rear axle box and a rear axle box cover buckled to the right side of the rear axle box. A differential shell is arranged in the rear axle box cover, a left half shaft gear, an end tooth half shaft gear and a planetary gear are arranged in the differential shell, the left end of the differential shell is fixedly connected with a transmission gear coaxial with the end tooth half shaft gear, an input gear shaft perpendicular to the axis of the transmission gear is further arranged in the rear axle box, a driven gear shaft is arranged between the rear axle box and the rear axle box cover in a penetrating mode and is arranged parallel to the axis of the transmission gear, the left end of the driven gear shaft is provided with a bevel gear meshed with the input gear shaft, the right end of the driven gear shaft is provided with a spur gear meshed with the transmission gear, and the right side of the differential shell is provided with an electromagnetic thrust self-locking structure. The rear axle has the advantages of being good in self-locking effect, capable of effectively improving running performance of a whole vehicle and the like.
Description
Technical field
The invention belongs to field of mechanical technique, relate to the electromagnetic push self-locking back axle of a kind of all-terrain vehicle back axle, particularly a kind of all-terrain vehicle.
Background technology
Diff 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 factor of driving vehicle, improve the operation life of retarder.Existing diff, 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 adhesive ability is inadequate, will produce skidding.
For preventing the generation of skidding, Chinese patent discloses the diff [Authorization Notice No. CN202690954U] of a kind of translator assistive 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 diff 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 coupler with left half axle, on transfer coupler, movable sleeve 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 diff shell, realize locking state, avoid it to skid.
Owing to adopting motor as driver element in this diff, motor rigidity pushes away by force connecting shaft sliding sleeve and has lasting thrust, connecting shaft sliding sleeve and the positively engaging of diff 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 coupler, 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 electromagnetic push self-locking back axle that a kind of locking is effective.
Object of the present invention realizes by following technical proposal:
This electromagnetic push self-locking back axle, comprise back axle casing and be fastened on the back axle case lid on the right side of back axle casing, differential housing is provided with in described back axle case lid, left half axle gear is provided with in described differential housing, end tooth axle side gear and planetary wheel, the left end of described differential housing is fixed with the transmission gear coaxially arranged with end tooth axle side gear, the input gear axle arranged with the axes normal of transmission gear is also provided with in described back axle casing, it is characterized in that, the driven gear shaft arranged with the axis being parallel of transmission gear is equipped with between described back axle casing and back axle case lid, the left end of described driven gear shaft has the bevel gear engaged with input gear axle, the right-hand member of described driven gear shaft has the straight gear engaged with transmission gear, the right side of described differential housing is provided with electromagnetic push self-locking structure.
In above-mentioned electromagnetic push self-locking back axle, described electromagnetic push self-locking structure comprises the movable end fluted disc that can move axially along differential housing be located in differential housing, is located at the end tooth one of movable end fluted disc left end and is located at the end tooth two of end tooth axle side gear right-hand member, described end tooth one and the corresponding setting of end tooth two, described movable end fluted disc and differential housing circumference are connected, being provided with in described back axle case lid for promoting the thrust structure of movable end fluted disc to left movement, between described end tooth axle side gear and movable end fluted disc, being provided with return unit.
In above-mentioned electromagnetic push self-locking back axle, the thrust movable sleeve that described thrust structure comprises the support be located in back axle case lid, is located at the thrust electromagnetic coil on support and is axially located in thrust electromagnetic coil, the left end of thrust movable sleeve is just arranged movable end fluted disc, and the right-hand member of described thrust movable sleeve is resisted against on support.
In above-mentioned electromagnetic push self-locking back axle, the outer peripheral face of described movable end fluted disc is provided with external tooth, is provided with the internal tooth engaging with this external tooth and arrange in described differential housing.Under the effect of this internal tooth and external tooth, movable end fluted disc and differential housing circumference are located.
In above-mentioned electromagnetic push self-locking back axle, described return unit is spring.
In above-mentioned electromagnetic push self-locking back axle, bearing one is provided with between described driven gear shaft and back axle casing, bearing two is provided with between described driven gear shaft and back axle case lid, be provided with bearing three between described transmission gear and back axle casing, between described differential housing and back axle case lid, be provided with bearing four.
Input gear axle rotates, and drives driven gear shaft to rotate, and band nutating gear rotates, and transmission gear and differential housing are connected, thus drives differential housing into rotation, and wherein movable end fluted disc and differential housing circumference are connected, and drives movable end fluted disc circumference to rotate.
When there is skidding in wheel, thrust electromagnetic coil is energized, thrust electromagnetic coil produces magnetic field, under the influence of a magnetic field, thrust movable sleeve moves to movable end fluted disc direction, the flexible movable end fluted disc that promotes moves to end tooth axle side gear direction, namely movable end fluted disc is along differential housing axial motion, the end tooth two of the end tooth one and end tooth axle side gear that realize movable end fluted disc engages, under the combined action that the internal tooth of differential housing engages with the external tooth of movable end fluted disc, realize locking state, avoid skidding, spring now as return unit is compressed, there is elasticity force.When after closedown thrust electromagnetic coil, the end motion to the right of thrust movable sleeve, movable end fluted disc is under the action of the spring away from end tooth axle side gear, and the end tooth one of movable end fluted disc is separated with the end tooth two of end tooth axle side gear.
Compared with prior art, this electromagnetic push self-locking back axle has the following advantages:
Its compact conformation, locking speed is responsive, effectively can improve the driveability of car load, flexible promotion movable end fluted disc, stop motor and spread to by force the lasting thrust of generation, the end tooth two of end tooth axle side 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 amph, cross-country car, load wagon, engineering truck, farm vehicle and other remoulded 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, differential housing; 131, internal tooth; 14, left half axle gear; 15, end tooth axle side gear; 151, end tooth two; 16, planetary wheel; 17, transmission gear; 18, input gear axle; 2, driven gear shaft; 21, bevel gear; 22, straight gear; 3, movable end fluted disc; 31, end tooth one; 32, external tooth; 41, support; 42, thrust electromagnetic coil; 43, thrust movable sleeve; 51, bearing one; 52, bearing two; 53, bearing three; 54, bearing four.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Electromagnetic push self-locking back axle as shown in Figure 1, the back axle case lid 12 comprising back axle casing 11 and be fastened on the right side of back axle casing 11, differential housing 13 is provided with in back axle case lid 12, left half axle gear 14, end tooth axle side gear 15 and two planetary wheels 16 are provided with in differential housing 13, the left end of differential housing 13 is fixed with the coaxial transmission gear 17 arranged with end tooth axle side gear 15, is also provided with the input gear axle 18 arranged with the axes normal of transmission gear 17 in back axle casing 11.As shown in Figure 1, the driven gear shaft 2 arranged with the axis being parallel of transmission gear 17 is equipped with between back axle casing 11 and back axle case lid 12, the left end of driven gear shaft 2 has the bevel gear 21 engaged with input gear axle 18, and the right-hand member of driven gear shaft 2 has the straight gear 22 engaged with transmission gear 17.
In the present embodiment, be provided with electromagnetic push self-locking structure on the right side of differential housing 13.Concrete, as shown in Figure 1, electromagnetic push self-locking structure comprises the movable end fluted disc 3 that can move axially along differential housing 13 be located in differential housing 13, is located at the end tooth 1 of movable end fluted disc 3 left end and is located at the end tooth 2 151 of end tooth axle side gear 15 right-hand member, end tooth 1 and the corresponding setting of end tooth 2 151, movable end fluted disc 3 and differential housing 13 circumference are connected, be provided with for promoting the thrust structure of movable end fluted disc 3 to left movement in back axle case lid 12, be provided with return unit between end tooth axle side gear 15 and movable end fluted disc 3, this return unit is spring.
As shown in Figure 1, the thrust movable sleeve 43 that thrust structure comprises the support 41 be located in back axle case lid 12, is located at the thrust electromagnetic coil 42 on support 41 and is axially located in thrust electromagnetic coil 42, the left end of thrust movable sleeve 43 is just arranged movable end fluted disc 3, and the right-hand member of thrust movable sleeve 43 is resisted against on support 41.
In the present embodiment, the outer peripheral face of movable end fluted disc 3 is provided with external tooth 32, is provided with the internal tooth 131 engaging with this external tooth 32 and arrange in differential housing 13, under the effect of this internal tooth 131 and external tooth 32, movable end fluted disc 3 is located with differential housing 13 circumference.
As shown in Figure 1, bearing 1 is provided with between driven gear shaft 2 and back axle casing 11, be provided with bearing 2 52 between driven gear shaft 2 and back axle case lid 12, between transmission gear 17 and back axle casing 11, be provided with bearing 3 53, between differential housing 13 and back axle case lid 12, be provided with bearing 4 54.
Input gear axle 18 rotates, and drives driven gear shaft 2 to rotate, and band nutating gear 17 rotates, transmission gear 17 and differential housing 13 are connected, thus drive differential housing 13 to rotate, wherein movable end fluted disc 3 and differential housing 13 circumference are connected, and drive movable end fluted disc 3 circumference to rotate.
When there is skidding in wheel, thrust electromagnetic coil 42 is energized, thrust electromagnetic coil 42 produces magnetic field, under the influence of a magnetic field, thrust movable sleeve 43 moves to movable end fluted disc 3 direction, the flexible movable end fluted disc 3 that promotes moves to end tooth axle side gear 15 direction, namely movable end fluted disc 3 is along differential housing 13 axial motion, the end tooth 2 151 of the end tooth 1 and end tooth axle side gear 15 that realize movable end fluted disc 3 engages, under the combined action that the internal tooth 131 of differential housing 13 engages with the external tooth 32 of movable end fluted disc 3, realize locking state, avoid skidding, spring now as return unit is compressed, there is elasticity force.When after closedown thrust electromagnetic coil 42, thrust movable sleeve 43 end motion to the right, movable end fluted disc 3 is under the action of the spring away from end tooth axle side gear 15, and the end tooth 1 of movable end fluted disc 3 is separated with the end tooth 2 151 of end tooth axle side gear 15.
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 (6)
1. an electromagnetic push self-locking back axle, comprise back axle casing (11) and be fastened on the back axle case lid (12) on the right side of back axle casing (11), differential housing (13) is provided with in described back axle case lid (12), left half axle gear (14) is provided with in described differential housing (13), end tooth axle side gear (15) and planetary wheel (16), the left end of described differential housing (13) is fixed with the coaxial transmission gear (17) arranged with end tooth axle side gear (15), the input gear axle (18) arranged with the axes normal of transmission gear (17) is also provided with in described back axle casing (11), it is characterized in that, the driven gear shaft (2) arranged with the axis being parallel of transmission gear (17) is equipped with between described back axle casing (11) and back axle case lid (12), the left end of described driven gear shaft (2) has the bevel gear (21) engaged with input gear axle (18), the right-hand member of described driven gear shaft (2) has the straight gear (22) engaged with transmission gear (17), the right side of described differential housing (13) is provided with electromagnetic push self-locking structure.
2. electromagnetic push self-locking back axle according to claim 1, it is characterized in that, described electromagnetic push self-locking structure comprises the movable end fluted disc (3) that can move axially along differential housing (13) be located in differential housing (13), be located at the end tooth one (31) of movable end fluted disc (3) left end and be located at the end tooth two (151) of end tooth axle side gear (15) right-hand member, described end tooth one (31) and the corresponding setting of end tooth two (151), described movable end fluted disc (3) and differential housing (13) circumference are connected, be provided with for promoting the thrust structure of movable end fluted disc (3) to left movement in described back axle case lid (12), return unit is provided with between described end tooth axle side gear (15) and movable end fluted disc (3).
3. electromagnetic push self-locking back axle according to claim 2, it is characterized in that, the thrust movable sleeve (43) that described thrust structure comprises the support (41) be located in back axle case lid (12), is located at the thrust electromagnetic coil (42) on support (41) and is axially located in thrust electromagnetic coil (42), the left end of thrust movable sleeve (43) is just arranged movable end fluted disc (3), and the right-hand member of described thrust movable sleeve (43) is resisted against on support (41).
4. the electromagnetic push self-locking back axle according to Claims 2 or 3, is characterized in that, the outer peripheral face of described movable end fluted disc (3) is provided with external tooth (32), is provided with the internal tooth (131) engaging with this external tooth and arrange in described differential housing (13).
5. the electromagnetic push self-locking back axle according to Claims 2 or 3, is characterized in that, described return unit is spring.
6. the electromagnetic push self-locking back axle according to claim 1 or 2 or 3, it is characterized in that, bearing one (51) is provided with between described driven gear shaft (2) and back axle casing (11), bearing two (52) is provided with between described driven gear shaft (2) and back axle case lid (12), be provided with bearing three (53) between described transmission gear (17) and back axle casing (11), between described differential housing (13) and back axle case lid (12), be provided with bearing four (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823417.8A CN104527412A (en) | 2014-12-26 | 2014-12-26 | Electromagnetic thrust self-locking rear axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823417.8A CN104527412A (en) | 2014-12-26 | 2014-12-26 | Electromagnetic thrust self-locking rear axle |
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| Publication Number | Publication Date |
|---|---|
| CN104527412A true CN104527412A (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410823417.8A Pending CN104527412A (en) | 2014-12-26 | 2014-12-26 | Electromagnetic thrust self-locking rear axle |
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| CN (1) | CN104527412A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2700226Y (en) * | 2004-04-10 | 2005-05-18 | 魏文耕 | Back rear axle assembly of electric motor tricycle |
| CN1661263A (en) * | 2004-02-25 | 2005-08-31 | 日产自动车株式会社 | Limited slip differential device |
| CN201092259Y (en) * | 2007-10-31 | 2008-07-30 | 长沙航空工业中南传动机械厂 | Main retarding apparatus used between tractor gear box and driving axle |
| CN202016396U (en) * | 2011-04-19 | 2011-10-26 | 张纬川 | Run-through double-rear axle time division driving device for commercial vehicle |
| KR101260762B1 (en) * | 2009-05-08 | 2013-05-06 | 대동공업주식회사 | Limited slip differential |
| CN204354824U (en) * | 2014-12-26 | 2015-05-27 | 温岭市华鑫机械制造有限公司 | Electromagnetic push self-locking back axle |
-
2014
- 2014-12-26 CN CN201410823417.8A patent/CN104527412A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661263A (en) * | 2004-02-25 | 2005-08-31 | 日产自动车株式会社 | Limited slip differential device |
| CN2700226Y (en) * | 2004-04-10 | 2005-05-18 | 魏文耕 | Back rear axle assembly of electric motor tricycle |
| CN201092259Y (en) * | 2007-10-31 | 2008-07-30 | 长沙航空工业中南传动机械厂 | Main retarding apparatus used between tractor gear box and driving axle |
| KR101260762B1 (en) * | 2009-05-08 | 2013-05-06 | 대동공업주식회사 | Limited slip differential |
| CN202016396U (en) * | 2011-04-19 | 2011-10-26 | 张纬川 | Run-through double-rear axle time division driving device for commercial vehicle |
| CN204354824U (en) * | 2014-12-26 | 2015-05-27 | 温岭市华鑫机械制造有限公司 | Electromagnetic push self-locking back axle |
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Application publication date: 20150422 |