CN103277483A - Four-wheel-drive lockless antiskid differential mechanism - Google Patents
Four-wheel-drive lockless antiskid differential mechanism Download PDFInfo
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- CN103277483A CN103277483A CN2013102257468A CN201310225746A CN103277483A CN 103277483 A CN103277483 A CN 103277483A CN 2013102257468 A CN2013102257468 A CN 2013102257468A CN 201310225746 A CN201310225746 A CN 201310225746A CN 103277483 A CN103277483 A CN 103277483A
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Abstract
The invention discloses a four-wheel-drive lockless antiskid differential mechanism. The differential mechanism mainly comprises a transmission shaft which is connected with a left front wheel, a transmission shaft which is connected with a right front wheel, a transmission shaft which is connected with a right rear wheel and a transmission shaft which is connected with a left rear wheel, a first second-level differential wheel and a second second-level differential wheel are arranged on a second-level differential mechanism support, a first differential mechanism support is connected with a third differential mechanism support through the first second-level differential wheel, a second differential mechanism support is connected with a fourth differential mechanism support through the second second-level differential wheel, and first-level differential wheels are arranged on the first differential mechanism support, the second differential mechanism support, the third differential mechanism support and the fourth differential mechanism support. According to the four-wheel-drive lockless antiskid differential mechanism, deep analysis is performed on a four-wheel-drive vehicle model, the real-time antiskid effect is achieved, the efficient load balancing is achieved in a complete mechanical mode, the structure is simple, and the size is reduced.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of differential mechanism, relating in particular to a kind of 4 wheel driven does not have the lock limited slip differential.
Background technique
Differential mechanism can be well with the power mean allocation to each wheel, all can cause the output that runs out of steam of other wheels but shortcoming is any one wheel slip.
In order to address this problem, a lot of manufacturers have developed limited slip differential, as in conjunction with the ETC of ABS system development etc.But the common feature of these antiskid systems is to increase electronic lock or mechanical lock in original system.There is following defective in existing differential mechanism: limited slip differential must be equipped with additional lock and could realize anti-skiddingly, and volume is bigger; Complicated locking release is difficult to accurate control; And price is very expensive, and maintenance is inconvenient; Its mechanical loss can cause the vehicle oil consumption to increase by 5%～10%.
Summary of the invention
In order to overcome defective of the prior art, solve the problems of the technologies described above, the invention provides a kind of 4 wheel driven does not have the lock limited slip differential, in-depth analysis to four-wheel driving model has realized more real-time skidproof effect, and full machinery is realized load balancing efficiently, simple in structure, volume-diminished.
Its technological scheme is as follows:
A kind of 4 wheel driven does not have the lock limited slip differential, mainly comprise the transmission shaft that connects the near front wheel, the transmission shaft that connects off-front wheel, the transmission shaft that connects off hind wheel, the transmission shaft that connects left rear wheel, be provided with the first differential mechanism support between the transmission shaft of the transmission shaft of connection the near front wheel and connection off-front wheel, be provided with the second differential mechanism support between the transmission shaft of the transmission shaft of connection the near front wheel and connection left rear wheel, be provided with the 3rd differential mechanism support between the transmission shaft of the transmission shaft of connection off hind wheel and connection left rear wheel, be provided with the 4th differential mechanism support between the transmission shaft of the transmission shaft of connection off-front wheel and connection off hind wheel, secondary differential mechanism support is provided with the first secondary spider gear and the second secondary spider gear, connect by the first secondary spider gear between the first differential mechanism support and the 3rd differential mechanism support, connect the first differential mechanism support between the second differential mechanism support and the 4th differential mechanism support by the second secondary spider gear, the second differential mechanism support, the 3rd differential mechanism support, be equipped with the one-level spider gear on the 4th differential mechanism support.
Principle of the present invention is first the stroke of four-wheel A, B, C, D to be realized real-time differential balance by mechanical means, there is (A2B2+CD)-(A2D+B2C)=0 among Fig. 2, four parameters in the formula respectively with the four-wheel linear ratio of differential in twos, obtain two second order differentials after again four differentials being asked differential again in twos, these two second order differentials are reciprocal, add up to 0.
Beneficial effect of the present invention:
1, connects in the technical solution of the present invention on the line shaft of four wheels correspondence that the transmission shaft 9 of the near front wheel, the transmission shaft 10 that connects off-front wheel, the transmission shaft 11 that connects off hind wheel, the transmission shaft 12 that connects left rear wheel be connected to vehicle, the power input can directly be connected on any one axle, and this is the difference with traditional 4 wheel driven differential mechanism;
2, all one-level spider gears all are in normal commentaries on classics state in the structure of the present invention, can play the effect of power recovery, and this also is the difference with traditional differential mechanism;
3, the secondary differential support 5 introduced of the present invention is equipped with two groups of asymmetric spider gears simultaneously, can be when certain wheel slip power on it reclaim in real time;
4, do not have lock in the full scheme of the present invention, when certain wheel-slip can not outputting power, its corresponding transmission shaft can be operated in the moment of torsion transfer mode, provides convenience for spider gear reclaims moment of torsion like this;
During a wheel-slip, moment of torsion was recovered and is added on the homonymy wheel when 5, the present invention specifically used; Can solve two wheel slips of any non-homonymy.
In a word, 4 wheel driven of the present invention does not have the lock limited slip differential, in-depth analysis to four-wheel driving model, this programme has been abandoned lock mechanism fully, but further investigation four wheels interaction relation when driving, set up new equation model, and found a desirable solution in this equational second dervative, thereby differential art is reached a new high.Realized more real-time skidproof effect, full machinery is realized load balancing efficiently, and is simple in structure, volume-diminished.
Description of drawings
Fig. 1 does not have the structural representation of lock limited slip differential for 4 wheel driven of the present invention;
Fig. 2 does not have the schematic diagram of lock limited slip differential for 4 wheel driven of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments technological scheme of the present invention is done explanation in further detail.
With reference to Fig. 1, a kind of 4 wheel driven does not have the lock limited slip differential, mainly comprise the transmission shaft 9 that connects the near front wheel, the transmission shaft 10 that connects off-front wheel, the transmission shaft 11 that connects off hind wheel, the transmission shaft 12 that connects left rear wheel, be provided with the first differential mechanism support 1 between the transmission shaft 10 of the transmission shaft 9 of connection the near front wheel and connection off-front wheel, be provided with the second differential mechanism support 2 between the transmission shaft 12 of the transmission shaft 9 of connection the near front wheel and connection left rear wheel, be provided with the 3rd differential mechanism support 3 between the transmission shaft 12 of the transmission shaft 11 of connection off hind wheel and connection left rear wheel, be provided with the 4th differential mechanism support 4 between the transmission shaft 11 of the transmission shaft 10 of connection off-front wheel and connection off hind wheel, secondary differential mechanism support 5 is provided with the first secondary spider gear 6 and the second secondary spider gear 7, connect by the first secondary spider gear 6 between the first differential mechanism support 1 and the 3rd differential mechanism support 3, connect the first differential mechanism support 1 by the second secondary spider gear 7 between the second differential mechanism support 2 and the 4th differential mechanism support 4, the second differential mechanism support 2, the 3rd differential mechanism support 3, be equipped with one-level spider gear 8 on the 4th differential mechanism support 4.
The transmission shaft 9 that connects the near front wheel, the transmission shaft 11 that connects off hind wheel turns clockwise, and the transmission shaft 10 of connection off-front wheel, the transmission shaft 12 that connects left rear wheel is rotated counterclockwise, and the first differential mechanism support 1, the second differential mechanism support 2, the 3rd differential mechanism support 3, the 4th differential mechanism support 4 all keep static on the Pinglu.During turning, if the rotating speed of the transmission shaft 9 of connection the near front wheel is greater than the rotating speed of the transmission shaft 10 that connects off-front wheel, then the first differential mechanism support 1, the second differential mechanism support 2, the 3rd differential mechanism support 3, the 4th differential mechanism support 4 turn clockwise, and secondary differential mechanism support 5 turns clockwise too.The transmission shaft 10 that connects off-front wheel, when the transmission shaft 11 of connection off hind wheel skids simultaneously, the first differential mechanism support 1, the 3rd differential mechanism support 3, and then skid, driving the 4th differential mechanism support 4 and secondary differential mechanism support 5 simultaneously trends towards one times of speed and skids, at this moment the second differential mechanism support 2 pins the 4th differential mechanism support 4 by the second secondary spider gear 7, has realized the effect that real-time prevention is skidded.
With reference to Fig. 2, two parallel differential=(vehicle corner/360 degree) * wheelspan CD* Ratio of the circumference of a circle to its diameter P that take turns between the CD.If what wheel was turned away is the track of A1B1, then the vertical footpath of front-wheel wheelspan A1B1 equals CD, so only need get final product by spider gear increase synchromesh wheel between front and back wheels; If the track of deflecting roller is shown in A2B2, then the vertical footpath wheelspan A2B2 between the differential corner between front-wheel AB and two-wheeled is directly proportional, and this footpath wheelspan that hangs down can be subjected to the influence of corner of AB wheel less than wheelspan between CD, the differential between CD still and the wheelspan between CD be directly proportional; As can be seen from Figure 2, CD+A2B2=A2C+B2D, also just introduced differential degree between BD and the differential degree between AC this moment, by asking the second order differential degree between the differential degree, obtained the principle of this realization.The rotating speed of supposing the second order differential mechanism is X ', does not consider vehicle corner constant, then exist following concern differential (OA-OB-X '=X '-differential (OD-OC), in like manner differential (OD-OB)-X '=X '-differential (OA-OC).
The above; only be the preferable embodiment of the present invention; protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the simple change of the technological scheme that can obtain apparently or equivalence are replaced and are all fallen within the scope of protection of the present invention.
Claims (2)
1. a 4 wheel driven does not have the lock limited slip differential, it is characterized in that, mainly comprise the transmission shaft (9) that connects the near front wheel, the transmission shaft (10) that connects off-front wheel, the transmission shaft (11) that connects off hind wheel, the transmission shaft (12) that connects left rear wheel, be provided with the first differential mechanism support (1) between the transmission shaft (10) of the transmission shaft (9) of connection the near front wheel and connection off-front wheel, be provided with the second differential mechanism support (2) between the transmission shaft (12) of the transmission shaft (9) of connection the near front wheel and connection left rear wheel, be provided with the 3rd differential mechanism support (3) between the transmission shaft (12) of the transmission shaft (11) of connection off hind wheel and connection left rear wheel, be provided with the 4th differential mechanism support (4) between the transmission shaft (11) of the transmission shaft (10) of connection off-front wheel and connection off hind wheel, secondary differential mechanism support (5) is provided with the first secondary spider gear (6) and the second secondary spider gear (7), connect by the first secondary spider gear (6) between the first differential mechanism support (1) and the 3rd differential mechanism support (3), connect the first differential mechanism support (1) between the second differential mechanism support (2) and the 4th differential mechanism support (4) by the second secondary spider gear (7), the second differential mechanism support (2), the 3rd differential mechanism support (3), be equipped with one-level spider gear (8) on the 4th differential mechanism support (4).
2. 4 wheel driven according to claim 1 does not have the lock limited slip differential, it is characterized in that, principle is first the stroke of four-wheel A, B, C, D to be realized real-time differential balance by mechanical means, (A2B2+CD)-(A2D+B2C)=0, four parameters in the formula respectively with the four-wheel linear ratio of differential in twos, obtain two second order differentials after again four differentials being asked differential again in twos, these two second order differentials are reciprocal, add up to 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102257468A CN103277483A (en) | 2013-06-05 | 2013-06-05 | Four-wheel-drive lockless antiskid differential mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102257468A CN103277483A (en) | 2013-06-05 | 2013-06-05 | Four-wheel-drive lockless antiskid differential mechanism |
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| CN103277483A true CN103277483A (en) | 2013-09-04 |
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| CN2013102257468A Pending CN103277483A (en) | 2013-06-05 | 2013-06-05 | Four-wheel-drive lockless antiskid differential mechanism |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871249A (en) * | 1974-03-01 | 1975-03-18 | Aspro Inc | Lock-up differential including speed-responsive inhibiting means |
| JP2008014419A (en) * | 2006-07-06 | 2008-01-24 | Ｇｋｎ ドライブライン トルクテクノロジー株式会社 | Differential device |
| CN202220839U (en) * | 2011-09-15 | 2012-05-16 | 云南省农业机械研究所 | Differential mechanism with self-locking function |
| CN202360706U (en) * | 2011-11-10 | 2012-08-01 | 韩昌利 | Mechanical locking anti-slipping differential mechanism |
| CN203309053U (en) * | 2013-06-05 | 2013-11-27 | 何连江 | Four-wheel drive lock-free antiskid differential |
-
2013
- 2013-06-05 CN CN2013102257468A patent/CN103277483A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3871249A (en) * | 1974-03-01 | 1975-03-18 | Aspro Inc | Lock-up differential including speed-responsive inhibiting means |
| JP2008014419A (en) * | 2006-07-06 | 2008-01-24 | Ｇｋｎ ドライブライン トルクテクノロジー株式会社 | Differential device |
| CN202220839U (en) * | 2011-09-15 | 2012-05-16 | 云南省农业机械研究所 | Differential mechanism with self-locking function |
| CN202360706U (en) * | 2011-11-10 | 2012-08-01 | 韩昌利 | Mechanical locking anti-slipping differential mechanism |
| CN203309053U (en) * | 2013-06-05 | 2013-11-27 | 何连江 | Four-wheel drive lock-free antiskid differential |
Non-Patent Citations (1)
| Title |
|---|
| 王伟东: "《工程机械中常用的几种防滑差速器》", 《工程机械》 * |
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Application publication date: 20130904 |