CN204472571U - Vehicle active-type differentia transmission vehicle bridge - Google Patents
Vehicle active-type differentia transmission vehicle bridge Download PDFInfo
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- CN204472571U CN204472571U CN201520139051.2U CN201520139051U CN204472571U CN 204472571 U CN204472571 U CN 204472571U CN 201520139051 U CN201520139051 U CN 201520139051U CN 204472571 U CN204472571 U CN 204472571U
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- gear
- bearing
- shaft
- bearing plate
- stay bearing
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Abstract
The utility model discloses vehicle active-type differentia transmission vehicle bridge, comprise vehicle bridge housing, front shoe, rear fixed plate, diff one, diff two, front shoe is provided with the first connecting bore, second connecting bore, auxiliary power output shaft stretches into axle shell intracoelomic cavity through the first connecting bore, auxiliary power output shaft is connected with drive motor, auxiliary power output shaft is provided with driving gear one, axle shell intracoelomic cavity is provided with the first gear wheel shaft, second gear wheel shaft, first gear wheel shaft is provided with driven gear two, second gear wheel shaft is provided with driven gear three, driven gear two, driven gear three engages with driving gear one, first differential casing is provided with the first gear ring gear, second differential casing is provided with the second gear ring gear, driving gear four and the first gear ring gears meshing, driving gear five and the second gear ring gears meshing.The utility model can realize lock, the open state of automobile differential, greatly reduces turn radius, improves road holding, can be applied to the numerous areas such as vehicle, robot.
Description
Technical field
The utility model relates to motor turning technical field of structures, particularly relates to a kind of vehicle active-type differentia transmission vehicle bridge.
Background technology
The common differential structure of prior art, while the semiaxis transferring power to vehicle bridge both sides, allows both sides semiaxis to rotate with different rotating speeds, meets two sidecar wheels and makes Unequal distance traveling with the form of pure rolling as far as possible, reduce the friction on tire and ground.But under cross-country or severe road conditions, due to the torsional interaction such as grade of diff, vehicle may get into a difficult position because any one wheel loses adhesive ability.
Band differential locking-device vehicle bridge then can when a drive wheel skids, by differential gear box and half shaft locking integral, make diff lose differential action, torque axis is moved on on opposite side axle drive shaft, and vehicle still can obtain enough propulsive efforts.But only just use differential locking-device under severe road conditions or ultimate limit state, when normal traveling, use can cause serious infringement to automobile component.Comparatively bother, if the easy defective component of misoperation according to different road conditions manual locking, unblock.Some advanced configuration can realize automatic locking, unlock, but frequently the locking of passive type, to unlock, affect the traveling comfort of service life and driving.
Utility model content
The purpose of this utility model is exactly the problems referred to above existed for solving prior art, provides a kind of vehicle active-type differentia transmission vehicle bridge; The utility model structure is simple, can realize the lock of differential, open state, two output shafts freely distribute propulsive effort between 0 to 100%, greatly reduce turn radius, improve chaufeur riding experience and road holding, the utility model can be applied to the numerous areas such as vehicle, robot.
The technical scheme of the utility model technical solution problem is:
A kind of vehicle active-type differentia transmission vehicle bridge, comprise vehicle bridge housing, front shoe, rear fixed plate, diff one is provided with in vehicle bridge housing, diff two, described front shoe and rear fixed plate are connected with the outward flange of vehicle bridge housing respectively, described front shoe is provided with the first connecting bore, second connecting bore, described front shoe is respectively equipped with the first stay bearing plate in the both sides of the first connecting bore, second stay bearing plate, the 3rd stay bearing plate is provided with at rear fixed plate, 4th stay bearing plate, described first stay bearing plate coordinates with the 3rd stay bearing plate position, second stay bearing plate coordinates with the 4th stay bearing plate, described first stay bearing plate is provided with the first semicylindrical opening, 3rd stay bearing plate is provided with the 3rd semicylindrical opening, described first semicylindrical opening coordinates with the 3rd semicylindrical opening and forms clutch shaft bearing mounting hole, in clutch shaft bearing mounting hole, both sides are respectively equipped with diff one and install bearing one, first of transmission shaft installs bearing, second stay bearing plate is provided with the second semicylindrical opening, 4th stay bearing plate is provided with the 4th semicylindrical opening, second semicylindrical opening coordinates formation second bearing mounting hole with the 4th semicylindrical opening, in second bearing mounting hole, both sides are respectively equipped with i.e. diff two and install bearing two, transmission shaft second installs bearing, described vehicle bridge housing is respectively by bolt, bolt and front shoe, rear fixed plate connects, one end of diff one is connected with the endoporus of bearing one, the other end is connected with bearing three endoporus of semiaxis place, side shell position, one end of diff two is connected with the second endoporus installing bearing two, the other end is connected with bearing four endoporus of opposite side axle shaft housing body position, auxiliary power output shaft stretches into axle shell intracoelomic cavity through the first connecting bore, described auxiliary power output shaft is connected with drive motor, the inner end of auxiliary power output shaft is provided with driving gear one, the first gear wheel shaft be connected with vehicle bridge housing is provided with at axle shell intracoelomic cavity, second gear wheel shaft, described first gear wheel shaft, second gear wheel shaft dead in line, the outer end of the first gear wheel shaft is connected by bearing with vehicle bridge shell one end, the inner is connected with the first stay bearing plate by bearing, bearings is on bearing hole, the outer end of the second gear wheel shaft is connected by bearing with the vehicle bridge housing other end, the inner is connected with the second stay bearing plate by bearing, the inner of described first gear wheel shaft is provided with driven gear two, the inner of second gear wheel shaft is provided with driven gear three, described driven gear two, driven gear three engages with driving gear one respectively, the outer end of described first gear wheel shaft is provided with driving gear four, the outer end of the second gear wheel shaft is provided with driving gear five, sun gear one is provided with inside the differential casing of described diff one, sun gear two is provided with inside the differential casing of diff two, described sun gear one, sun gear two is connected with the both ends of transmission shaft respectively, driven wheel of differential is provided with in the middle of described transmission shaft, described driven wheel of differential engages with drive bevel gear, described drive bevel gear is connected with active force output shaft, active force output shaft is connected with engine output shaft, bearing is installed respectively by first in the two ends of transmission shaft, second installs bearing is supported on clutch shaft bearing mounting hole and the second mounting hole, described first differential casing is fixed with the first gear ring gear in the outside near semiaxis one end, described second differential casing is fixed with the second gear ring gear in the outside near semiaxis two end, described driving gear four and the first gear ring gears meshing, driving gear five and the second gear ring gears meshing, the inside of described first differential casing is respectively equipped with satellite gear one, axle side gear one, the inside of the second differential casing is respectively equipped with satellite gear two, axle side gear, axle side gear one is connected with semiaxis one, axle side gear two is connected with semiaxis two, described semiaxis one, semiaxis two is respectively by the 5th bearing, 5th bearings is at left half axle, in the axial hole of right axle shaft.
Described front shoe and the first stay bearing plate, the second stay bearing plate are casting integrated structure, and rear fixed plate and the 3rd stay bearing plate, the 4th stay bearing plate are casting integrated structure.
Described drive motor is connected with car running computer, and car running computer is connected with vehicle body sensor.
The beneficial effects of the utility model:
1. active differential vehicle bridge of the present utility model, structure is simple, not only can realize lock, the open state of differential, two output shafts can also be made between 0 to 100% freely to distribute propulsive effort, share out the work to have been come by the rotating and rotating speed that control differential auxiliary power, in sections such as some skiddings, more power distributions to the strong side of earth-grasping force, the crossing ability of vehicle can be improved; When negotiation of bends, more transmission of powers to outside semiaxis, can increase the rotating torque to curve inner side, can shield the drawbacks such as understeer, greatly reduce turn radius, raising is driven chaufeur and is taken advantage of experience and road holding; In addition, according to special requirement, left and right semiaxis can also be made to rotate backward each other, make vehicle realize pivot stud; Need minimum turn radius in some narrow space, when needing spot turn, very meaningful.Car running computer can be analyzed according to travelling data and obtain current driving situation, thus drives differential auxiliary power to realize power distribution.The utility model can be applied to the numerous areas such as vehicle, robot.
2. the utility model diff shell when craspedodrome or complex road condition need to forbid differential action does not rotate, only when differential action introduced by needs, two difies just rotate thus produce initiatively differential under driving conputer controlled, the traditional vehicle bridge construction solving prior art exists: traditional vehicle bridge in the process of moving diff is kept in motion always, namely diff shell rotates always, rotatory inertia is large, because the quality of differential assembly is larger, cause the vibration of parts and car body large, support the bearing fit part of diff easily to wear and tear the problem easily broken down.
3., time as propons power, itself can realize turning to according to active differential, thus omits traditional steering hardware, reduces the complexity of vehicle, also improves reliability.System steering hardware is complicated, has all multi-parts such as steering box, pull bar, and comparatively fragile, and when colliding, steering hardware is easy to deformed damaged; Adopt the design's structure can omit a lot of parts, as pull bar, rocking arm, steering box, work-saving device etc., structure is simple and reliable.2. realize comparatively simple in vibration damping, load-carrying capacity is strong.Along with vehicle gets more and more, traffic jam has become society's humiliation disease.When run into block up time, want into can't walk any longer, want to move back and cannot turn around, advance and retreat must not, and structure of the present utility model can rotate in original place, then can spot turn rapidly, and sailing out of blocks up separately selects path.Spot turn then can be outputed by forward in addition, convenient and swift, avoids when entering narrow lane, if run into dead end street or meeting above, then can only upside down and leave, inconvenient, safety.
Accompanying drawing explanation
Fig. 1 is the contour structures schematic diagram of utility model;
Fig. 2 is the local structure schematic diagram of Fig. 1;
Fig. 3 is that the A-A ladder of Fig. 2 cuts open schematic diagram;
Fig. 4 is that the A of Fig. 3 is to partial view.
Detailed description of the invention
In order to understand the utility model better, explain embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As shown in Figures 1 to 4, a kind of vehicle active-type differentia transmission vehicle bridge, comprise vehicle bridge housing 33, front shoe 30, rear fixed plate 31, two difies are provided with in vehicle bridge housing, i.e. diff 1, diff 2 35, described front shoe 30 is connected with the outward flange of vehicle bridge housing 33 respectively with rear fixed plate 31, described front shoe 30 is provided with the first connecting bore 46, second connecting bore 47, described front shoe 30 is respectively equipped with the first stay bearing plate 36 in the both sides of the first connecting bore, second stay bearing plate 37, the 3rd stay bearing plate 38 is provided with at rear fixed plate 31, 4th stay bearing plate 39, described first stay bearing plate 36 coordinates with the 3rd stay bearing plate 38 position, second stay bearing plate 37 coordinates with the 4th stay bearing plate 39, described first stay bearing plate 36 is provided with the first semicylindrical opening, 3rd stay bearing plate 38 is provided with the 3rd semicylindrical opening, described first semicylindrical opening coordinates with the 3rd semicylindrical opening and forms clutch shaft bearing mounting hole 51, in clutch shaft bearing mounting hole 51, both sides are respectively equipped with diff 1 and install bearing 1, first of transmission shaft 5 installs bearing 6, second stay bearing plate 37 is provided with the second semicylindrical opening, 4th stay bearing plate 39 is provided with the 4th semicylindrical opening, second semicylindrical opening coordinates formation second bearing mounting hole 53 with the 4th semicylindrical opening, in second bearing mounting hole, both sides are respectively equipped with i.e. diff 2 35 and install bearing 2 41, transmission shaft 5 second installs bearing 7, described vehicle bridge housing 33 is respectively by bolt 50, bolt 49 and front shoe 30, rear fixed plate 31 connects, one end of diff one is connected with the endoporus of bearing 1, the other end and side semiaxis 27 place shell position bearing 3 42 endoporus be connected, one end of diff two is connected with the second endoporus installing bearing 2 41, the other end is connected with bearing 43 4 endoporus of opposite side semiaxis 28 shell position, auxiliary power output shaft 2 stretches into axle shell intracoelomic cavity through the first connecting bore 46, described auxiliary power output shaft 2 is connected with drive motor by transmission and slowing-down structure, drive motor 32 is connected with car running computer, car running computer is connected with vehicle body sensor, left and right semiaxis freely distributes propulsive effort from 0 to 100%, power distribution work is by the vehicle body sensing data comprehensive descision of car running computer according to acquisition.The inner end of auxiliary power output shaft 2 is provided with driving gear 1, the inner end of auxiliary power output shaft 2 is provided with driving gear 1, the first gear wheel shaft 17 be connected with vehicle bridge housing is provided with at axle shell intracoelomic cavity, second gear wheel shaft 18, described first gear wheel shaft 17, second gear wheel shaft 18 dead in line, the outer end of the first gear wheel shaft 17 is connected by bearing 19 with vehicle bridge shell one end, the inner is connected with the first stay bearing plate 36 by bearing 20, bearing 20 is supported on bearing hole 52, the outer end of the second gear wheel shaft 18 is connected by bearing 22 with the vehicle bridge housing other end, the inner is connected with the second stay bearing plate 37 by bearing 21, the inner of described first gear wheel shaft is provided with driven gear 2 13, the inner of second gear wheel shaft is provided with driven gear 3 14, described driven gear 2 13, driven gear 3 14 engages with driving gear 1 respectively, the outer end of described first gear wheel shaft 17 is provided with driving gear 4 15, the outer end of the second gear wheel shaft 18 is provided with driving gear 5 16, sun gear 1 is provided with inside the differential casing of described diff one, sun gear 2 11 is provided with inside the differential casing of diff two, described sun gear 1, sun gear 2 11 is connected with the both ends of transmission shaft 5 respectively, driven wheel of differential 3 is provided with in the middle of described transmission shaft 5, described driven wheel of differential 3 engages with drive bevel gear 4, described drive bevel gear is connected with active force output shaft 1, active force output shaft 1 is connected with engine output shaft, bearing 6 is installed respectively by first in the two ends of transmission shaft 5, second installs bearing 7 is supported on clutch shaft bearing mounting hole and the second mounting hole, described first differential casing 8 is fixed with the first gear ring gear 23 in the outside near semiaxis 1 end, described second differential casing 9 is fixed with the second gear ring gear 24 in the outside near semiaxis two end, described driving gear 4 15 engages with the first gear ring gear 23, driving gear 5 16 engages with the second gear ring gear 24, the inside of described first differential casing 8 is respectively equipped with satellite gear 1, axle side gear 1, the inside of the second differential casing 9 is respectively equipped with satellite gear 2 48, axle side gear 26, axle side gear 1 is connected with semiaxis 1, axle side gear 2 26 is connected with semiaxis 2 28, described semiaxis 1, semiaxis 2 28 is respectively by the 5th bearing 44, 5th bearing 45 is supported on left half axle, in the axial hole of right axle shaft.
Described front shoe 30 and the first stay bearing plate 36, second stay bearing plate 37 are casting integrated structure, and rear fixed plate 31 and the 3rd stay bearing plate 38, the 4th stay bearing plate 39 are casting integrated structure.
Specific works process of the present utility model and principle:
When differential structure of the present utility model do not work, namely indifferential effect time, auxiliary power axle 2 locking does not turn, power is delivered to transmission shaft 5 by the finishing bevel gear cuter 3 and 4 of axle 1 through being meshed, transmission shaft 5 is fixed on the first installation bearing 6, second and installs on bearing 7, and transmission shaft 5 two ends are also connected on the sun gear 1 of the first differential casing 8, second differential casing 9 inside, sun gear 2 11.Due to power take-off shaft 2 locking, finishing bevel gear cuter 12 on power take-off shaft 2 and the driven gear 2 13 be meshed with it, driven gear 3 14 also locking, driven wheel of differential 13 and driving gear 4 15 are fixed on the first gear wheel shaft 17, driven wheel of differential 14 and driving gear 5 16 are fixed on the second gear wheel shaft 18, first gear wheel shaft 17 and the second gear wheel shaft 18 are fixed on housing by bearing 19,20,21,22, therefore driving gear 4 15 and driving gear 5 16 also locking.Gear 23,24 is fixed on the gear ring on diff 8,9, engages respectively with driving gear 4 15, driving gear 5 16, and then gear 23,24 also locking, and now diff 8,9 does not rotate.Therefore on sun gear 1, sun gear 2 11, power is delivered on axle side gear 1 and axle side gear 26 respectively, and then power is evenly distributed on semiaxis 1, semiaxis 2 28, and this mode is applicable to craspedodrome state and harsh environment.
When differential arrangement works of the present utility model, when namely playing differential action, auxiliary power axle 2 drives driving gear 1 to rotate, driven gear 2 13, driven gear 3 14, driving gear 4 15, driving gear 5 16, first gear ring gear 23, second gear ring gear 24 is oppositely synchronized respectively, first differential casing 8, second differential casing 9 rotates in opposite sense, by diff inner planet tooth, for sun gear 1, sun gear 2 11 provides relative velocity, relative speedup and the deceleration respectively of axle side gear 1 and axle side gear 26, achieve semiaxis 1, semiaxis 2 28 differential.Differential effect depends on power take-off shaft 2 rotating speed, and power take-off shaft 2 rotating speed is large, then differential is obvious, freely distributes propulsive effort between realizing 0 to 100% by adjusting rotary speed; If power take-off shaft 2 reverses, then differential effect is exchanged, and namely fast one end is slack-off, and slow one end accelerates.Be intermediate point during power take-off shaft 2 locking, now power divides and is all assigned to two ends, does not have differential effect, is equivalent to differential locking.Such as, rotate forward and represent the many words (>50%) of left side distributed power, on the right side of that reversion represents, distributed power is many, power number determined by rotating speed.The utility model is applicable to miniwatt means of delivery, as electronlmobil etc.
Left and right semiaxis reverses working process relatively: when needs two-semiaxle reverses relatively, dynamical axis locking, and driven wheel of differential 3 is static with drive bevel gear 4, and transmission shaft 5 does not turn, and then sun gear 1 in two difies, sun gear 2 11 are static.Under the input of auxiliary power, through driving gear 1, driven gear 2 13, driven gear 3 14 gear motion, first gear wheel shaft 17, second gear wheel shaft 18 moves and oppositely, drive driving gear 4 15, driving gear 5 16 rotate backward relatively, and then drive the first differential casing 8, second differential casing 9 relatively to rotate backward.Due to sun gear 1 and sun gear 2 11 static, the transmission of power of the first differential casing 8, second differential casing 9 is on axle side gear 1 and axle side gear 2 26, and then jack shaft 1, semiaxis 2 28 rotate backward relatively.
By reference to the accompanying drawings the detailed description of the invention of utility model is described although above-mentioned; but the restriction not to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (3)
1. a vehicle active-type differentia transmission vehicle bridge, it is characterized in that, comprise vehicle bridge housing, front shoe, rear fixed plate, diff one is provided with in vehicle bridge housing, diff two, described front shoe and rear fixed plate are connected with the outward flange of vehicle bridge housing respectively, described front shoe is provided with the first connecting bore, second connecting bore, described front shoe is respectively equipped with the first stay bearing plate in the both sides of the first connecting bore, second stay bearing plate, the 3rd stay bearing plate is provided with at rear fixed plate, 4th stay bearing plate, described first stay bearing plate coordinates with the 3rd stay bearing plate position, second stay bearing plate coordinates with the 4th stay bearing plate, described first stay bearing plate is provided with the first semicylindrical opening, 3rd stay bearing plate is provided with the 3rd semicylindrical opening, described first semicylindrical opening coordinates with the 3rd semicylindrical opening and forms clutch shaft bearing mounting hole, in clutch shaft bearing mounting hole, both sides are respectively equipped with diff one and install bearing one, first of transmission shaft installs bearing, second stay bearing plate is provided with the second semicylindrical opening, 4th stay bearing plate is provided with the 4th semicylindrical opening, second semicylindrical opening coordinates formation second bearing mounting hole with the 4th semicylindrical opening, in second bearing mounting hole, both sides are respectively equipped with i.e. diff two and install bearing two, transmission shaft second installs bearing, described vehicle bridge housing is respectively by bolt, bolt and front shoe, rear fixed plate connects, one end of diff one is connected with the endoporus of bearing one, the other end is connected with bearing three endoporus of semiaxis place, side shell position, one end of diff two is connected with the second endoporus installing bearing two, the other end is connected with bearing four endoporus of opposite side axle shaft housing body position, auxiliary power output shaft stretches into axle shell intracoelomic cavity through the first connecting bore, described auxiliary power output shaft is connected with drive motor, drive motor is connected with car running computer, car running computer is connected with vehicle body sensor, the inner end of auxiliary power output shaft is provided with driving gear one, the first gear wheel shaft be connected with vehicle bridge housing is provided with at axle shell intracoelomic cavity, second gear wheel shaft, described first gear wheel shaft, second gear wheel shaft dead in line, the outer end of the first gear wheel shaft is connected by bearing with vehicle bridge shell one end, the inner is connected with the first stay bearing plate by bearing, bearings is on bearing hole, the outer end of the second gear wheel shaft is connected by bearing with the vehicle bridge housing other end, the inner is connected with the second stay bearing plate by bearing, the inner of described first gear wheel shaft is provided with driven gear two, the inner of second gear wheel shaft is provided with driven gear three, described driven gear two, driven gear three engages with driving gear one respectively, the outer end of described first gear wheel shaft is provided with driving gear four, the outer end of the second gear wheel shaft is provided with driving gear five, sun gear one is provided with inside the differential casing of described diff one, sun gear two is provided with inside the differential casing of diff two, described sun gear one, sun gear two is connected with the both ends of transmission shaft respectively, driven wheel of differential is provided with in the middle of described transmission shaft, described driven wheel of differential engages with drive bevel gear, described drive bevel gear is connected with active force output shaft, active force output shaft is connected with engine output shaft, bearing is installed respectively by first in the two ends of transmission shaft, second installs bearing is supported on clutch shaft bearing mounting hole and the second mounting hole, described first differential casing is fixed with the first gear ring gear in the outside near semiaxis one end, described second differential casing is fixed with the second gear ring gear in the outside near semiaxis two end, described driving gear four and the first gear ring gears meshing, driving gear five and the second gear ring gears meshing, the inside of described first differential casing is respectively equipped with satellite gear one, axle side gear one, the inside of the second differential casing is respectively equipped with satellite gear two, axle side gear, axle side gear one is connected with semiaxis one, axle side gear two is connected with semiaxis two, described semiaxis one, semiaxis two is respectively by the 5th bearing, 5th bearings is at left half axle, in the axial hole of right axle shaft.
2. vehicle active-type differentia transmission vehicle bridge as claimed in claim 1, it is characterized in that, described front shoe and the first stay bearing plate, the second stay bearing plate are casting integrated structure, and rear fixed plate and the 3rd stay bearing plate, the 4th stay bearing plate are casting integrated structure.
3. vehicle active-type differentia transmission vehicle bridge as claimed in claim 1, it is characterized in that, described drive motor is connected with car running computer, and car running computer is connected with vehicle body sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520139051.2U CN204472571U (en) | 2015-03-12 | 2015-03-12 | Vehicle active-type differentia transmission vehicle bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520139051.2U CN204472571U (en) | 2015-03-12 | 2015-03-12 | Vehicle active-type differentia transmission vehicle bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204472571U true CN204472571U (en) | 2015-07-15 |
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ID=53628353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520139051.2U Withdrawn - After Issue CN204472571U (en) | 2015-03-12 | 2015-03-12 | Vehicle active-type differentia transmission vehicle bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204472571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626978A (en) * | 2015-03-12 | 2015-05-20 | 济南大学 | Automotive active differential machine drive axle |
| CN116792478A (en) * | 2022-03-11 | 2023-09-22 | 郭明毅 | Cylindrical gear differential mechanism |
-
2015
- 2015-03-12 CN CN201520139051.2U patent/CN204472571U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626978A (en) * | 2015-03-12 | 2015-05-20 | 济南大学 | Automotive active differential machine drive axle |
| CN104626978B (en) * | 2015-03-12 | 2017-03-01 | 济南大学 | Vehicle active-type differential gearing vehicle bridge |
| CN116792478A (en) * | 2022-03-11 | 2023-09-22 | 郭明毅 | Cylindrical gear differential mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150715 Effective date of abandoning: 20171114 |