CN205064744U - Novel vehicle transfer case - Google Patents
Novel vehicle transfer case Download PDFInfo
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- CN205064744U CN205064744U CN201520840202.7U CN201520840202U CN205064744U CN 205064744 U CN205064744 U CN 205064744U CN 201520840202 U CN201520840202 U CN 201520840202U CN 205064744 U CN205064744 U CN 205064744U
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Abstract
The utility model discloses a novel vehicle transfer case, its transfer case input shaft and the rear axle output shaft is coaxial arranges, the different axle of rear axle output shaft and front axle output shaft is arranged, be provided with the jackshaft between transfer case input shaft and the rear axle output shaft, the cooperation is connected with planetary gear reducer mechanism and planetary gear box of tricks on the jackshaft, the speed reduction sun gear and the transfer case input shaft rigid coupling of planetary gear reducer mechanism, the differential ring gear and the rear axle output shaft rigid coupling of planetary gear box of tricks, the differential sun gear of planetary gear box of tricks is triple gear, the differential sun gear includes sun gear portion, sprocket portion, spreadet spreadet wheel portion, sprocket portion passes through sprocket chain mechanism and is connected with the cooperation of front axle output shaft. The utility model discloses structural arrangement is compact, can realize two grades of switchings, and it is lighter to have assembly weight simultaneously, increases preceding, back output bias ratio simultaneously effectively to make preceding, back output bias ratio adjustable.
Description
Technical field
The utility model relates to a kind of automotive transfer case, belongs to Manufacturing Technology for Automotive Parts field, particularly relates to a kind of reducing gear and the coaxially arranged high pulling torque transfer case of box of tricks.
Background technique
Transfer case on current medium-weight vehicle exports coaxially often, and this structure limits the layout of complete vehicle structure to a certain extent, especially little at relative wheelbase, and the ground Clearance requires on the high go-anywhere vehicle that compares.In tradition arrangement, the transmission shaft that transfer case exports to propons is in order to avoid gearbox, engine sump tank, often require that transfer case can not be arranged in the middle of vehicle to the output terminal of propons, but it is relatively amesiality, but it is coaxial owing to exporting before and after transfer case, after transfer case, output terminal also will be partial to one end accordingly, causes transfer case bigger than normal to back axle take-off (propeller) shaft angle, is unfavorable for arrangement.
Brake drum differential transfer case is disclosed in Chinese invention patent specification CN102889353A, its, described transfer casing is provided with power input shaft, propons output shaft and back axle output shaft, the gear of described power input shaft front end connecting engine, described propons output shaft connects propons, described back axle output shaft connects back axle, in described transfer casing, satellite differential is set, propons output shaft is one end output terminal of satellite differential, described satellite differential the other end output terminal connects the brake drum of parking, described satellite differential is connected by gear drive with between power input shaft.Although this invention is by arranging propons output shaft and the different axle of back axle output shaft, extend the working life of transfer case transmission system component, but this invention structural configuration is not compact, the bias ratio of double reduction and adjustment front-rear axle output terminal cannot be realized simultaneously.
A kind of automotive transfer case with locking differential is disclosed in Chinese utility model patent specification CN201472161U, its input shaft connects gear shifting stop lever and the driving wheel of gear-changing device through double-action mechanism, driving wheel connects jack shaft, countershaft-gear connects propons output shaft and back axle output shaft through differential mechanism, and input shaft, jack shaft, propons output shaft and back axle output shaft are arranged on automotive transfer case body.The lubricating structure of the organic oil pump of setting tool is gone back in automotive transfer case.Described input shaft, jack shaft and propons output shaft at grade and back axle output shaft form vertical structure successively from top to bottom.Although this model utility has the advantages such as simple and practical, easy to manufacture, easy maintenance, but the propons output shaft of this model utility and back axle output shaft coaxially arranged, thus cannot solve transfer case bigger than normal to back axle take-off (propeller) shaft angle, be unfavorable for the problem of arrangement.
A kind of transfer case and ransaxle of offroad vehicle integration is disclosed in Chinese utility model patent specification CN2887650Y, point out that described transfer case comprises the axle and two axles and interaxial differential coaxially arranged in this specification, first order planetary gear reducing mechanism is provided with between one axle and two axles, second level planetary differential gear mechanism is provided with between two axles and interaxial differential input end, interaxial differential is positioned at two axle sides, interaxial differential is respectively equipped with coaxial and the propons output shaft parallel with two axles and jackshaft output shaft, namely described interaxial differential jackshaft output shaft is the input shaft of main reducer of middle axle, an above-mentioned axle is the input shaft of transfer case, two axles are back axle output shafts of transfer case, housing and the jackshaft housing of this transfer case are connected as a single entity.Described first order planetary gear reducing mechanism is taken turns by the sun gear that slows down, reduction planetary, reduction gear ring and reduction planetary are configured to, and deceleration sun gear center and an axle are connected, take turns with reduction planetary-reduction planetary carrier of body is connected with two axles; Described second level planetary gear reducing mechanism is taken turns by differential sun gear, differential planetary and differential gear is formed, differential sun gear center and two axles are connected, differential planetary wheel is between differential gear internal tooth and differential sun gear external tooth, and the external gear of differential gear engages with idle pulley; The outer input gear of described interaxial differential engages with above-mentioned idle pulley.Although this model utility decrease transmission shaft quantity, facilitate automobile General Layout Design, but this model utility global design is comparatively complicated, the transfer case concrete structure that can ensure that propons output shaft and the different axle of back axle output shaft are arranged is not provided, integrated transfer case disclosed in this model utility and ransaxle organize reducing gear and box of tricks owing to adopting more simultaneously, therefore heavier, do not utilize and install and use.
Summary of the invention
For the defect that above-mentioned prior art exists, the technical problems to be solved in the utility model is to provide a kind of new vehicle transfer case, it can not only to solve in prior art transfer case to the back axle take-off (propeller) shaft angle problem being unfavorable for arrangement bigger than normal, and effectively can adjust the bias ratio of forward and backward output shaft.
For solving the problems of the technologies described above, the utility model have employed so a kind of new vehicle transfer case, and it comprises transfer case input shaft, planetary gear reducing mechanism, jack shaft, planetary differential gear mechanism, back axle output shaft, propons output shaft; Described transfer case input shaft and described back axle output shaft coaxially arranged; Described back axle output shaft and the different axle of described propons output shaft are arranged; Described jack shaft is provided with between described transfer case input shaft and described back axle output shaft; Described jack shaft is connected with described planetary gear reducing mechanism and described planetary differential gear mechanism; Deceleration sun gear and the described transfer case input shaft of described planetary gear reducing mechanism are affixed; Differential gear and the described back axle output shaft of described planetary differential gear mechanism are affixed; The differential sun gear of described planetary differential gear mechanism is triple gear; Described differential sun gear comprises sun gear portion, chain gear portion, spreadet spreadet wheel portion; Described chain gear portion is connected by sprocket wheel link chain mechanism and described propons output shaft.
In a kind of preferred embodiment of the present utility model, described jack shaft is also connected with reducing gear combined cover and box of tricks combined cover; Described reducing gear combined cover can engage with the reduction planetary carrier of the deceleration sun gear of described planetary gear reducing mechanism or described planetary gear reducing mechanism; Described box of tricks combined cover can engage with the spreadet spreadet wheel portion of described differential sun gear.
In a kind of preferred embodiment of the present utility model, described sun gear portion, described chain gear portion and described spreadet spreadet wheel portion three are coaxial; Described sun gear portion and described chain gear portion are external gear; Described spreadet spreadet wheel portion is internal gear.
In a kind of preferred embodiment of the present utility model, described planetary differential gear mechanism is asymmetric satellite differential; Described asymmetric satellite differential comprises differential sun gear, and differential planetary is taken turns, differential gear, differential planetary frame; Described differential planetary frame and described jack shaft are connected; Described differential sun gear is sleeved on described jack shaft; Described differential planetary is taken turns by pinned connection on described differential planetary frame; Described differential planetary is taken turns one end and is engaged with described differential sun gear, and the other end engages with described differential gear.
In a kind of preferred embodiment of the present utility model, described planetary gear reducing mechanism comprises deceleration sun gear, and reduction planetary is taken turns, reduction gear ring, reduction planetary carrier; The end of described deceleration sun gear is transfer case input shaft; Described reduction gear ring is fixed on transfer case housing; Described reduction planetary is taken turns by pinned connection in described reduction planetary carrier; Described deceleration sun gear and described reduction planetary carrier all can be connected with a joggle with the reducing gear combined cover be connected on described jack shaft.
In a kind of preferred embodiment of the present utility model, described back axle output shaft is provided with lubricating pump.
In a kind of preferred embodiment of the present utility model, described back axle output shaft and described jack shaft are provided with oil leab; Connected by bushing pipe between two oil leabs.
In a kind of preferred embodiment of the present utility model, described bushing pipe is connected with described back axle output shaft interference fit; Described bushing pipe is connected with described jack shaft Spielpassung.
In a kind of preferred embodiment of the present utility model, the transfer case housing between described transfer case input shaft and described propons output shaft is also provided with gearshift.
In a kind of preferred embodiment of the present utility model, described sprocket wheel link chain mechanism comprises output sprocket and chain; Described output sprocket and described propons output shaft affixed; The chain gear portion of described chain and described differential sun gear is connected with a joggle; Described chain and described output sprocket are connected.
The beneficial effects of the utility model are: the utility model has simple and compact for structure, by by transfer case input shaft and back axle output shaft coaxially arranged, efficiently solve transfer case bigger than normal to back axle take-off (propeller) shaft angle, be unfavorable for the problem of arrangement; Pass through, the utility model coordinates two basic change cover not only to have effectively achieved the switching of high and low shift by coaxially arranged reducing gear and box of tricks, and makes the utility model just have very large versatility and applicability; The utility model also alleviates the weight of transfer case assembly effectively by chain transmission, be more conducive to energy-conserving and environment-protective; Last the utility model, by adopting asymmetric asymmetric planetary differential, effectively increases forward and backward output terminal bias ratio, and makes the bias ratio of forward and backward output terminal adjustable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of new vehicle transfer case of the utility model embodiment;
Fig. 2 is the structural representation of differential three sun gear of the middle planetary differential gear mechanism of a kind of new vehicle of the utility model embodiment transfer case;
Fig. 3 is the reducing gear structural representation of a kind of new vehicle transfer case of model utility embodiment;
Fig. 4 is the box of tricks structural representation of a kind of new vehicle transfer case of model utility embodiment;
In figure: 1-transfer case input shaft; 2-planetary gear reducing mechanism; 3-reducing gear combined cover; 4-jack shaft; 5-box of tricks combined cover; 6-planetary differential gear mechanism; 7-back axle output shaft; 8-oil pump; 9-bearing; 10-oil inlet pipe; 11-bearing support; 12-roller bearing; 13-roller bearing; 14-needle bearing; 15-lower shell body; 16-output sprocket; 17-chain; 18-propons output shaft; 19-gearshift; 20-upper shell; 1C-differential sun gear; 2C-differential planetary wheel; 3C-differential gear; 4C-differential planetary frame; 9C-bushing pipe; 1J-deceleration sun gear; 2J-reduction planetary wheel; 3J-reduction gear ring; 4J-reduction planetary carrier.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
From the structural representation of a kind of new vehicle transfer case of Fig. 1 and Fig. 2 the utility model embodiment and the structural representation of differential three sun gear, the utility model comprises transfer case input shaft 1, planetary gear reducing mechanism 2, jack shaft 4, planetary differential gear mechanism 6, back axle output shaft 7, propons output shaft 18; Transfer case input shaft 1 and back axle output shaft 7 coaxially arranged; Back axle output shaft 7 and the different axle of propons output shaft 18 are arranged; Jack shaft 4 is provided with between transfer case input shaft 1 and back axle output shaft 7; Jack shaft 4 is connected with planetary gear reducing mechanism 2 and planetary differential gear mechanism 6; Deceleration sun gear 1J and the transfer case input shaft 1 of planetary gear reducing mechanism 2 are affixed; Differential gear 3C and the back axle output shaft 7 of planetary differential gear mechanism 6 are affixed; The differential sun gear 1C of planetary differential gear mechanism 6 is triple gear; Differential sun gear 1C comprises sun gear portion 1C-1, chain gear portion 1C-2, spreadet spreadet wheel portion 1C-3; Described chain gear portion 1C-2 is connected by sprocket wheel link chain mechanism and described propons output shaft 18; Sprocket wheel link chain mechanism comprises output sprocket 16 and chain 17; Output sprocket 16 is affixed with propons output shaft 18; Chain 17 is connected with a joggle with the chain gear portion 1C-2 of differential sun gear 1C; Chain 17 and output sprocket 16 are connected.The utility model, by retarder and auxiliary box structure being integrated, makes this novel transfer case have good versatility and practicability.Meanwhile, assembly weight is effectively alleviated by chain transmission.
In the utility model, planetary gear reducing mechanism 2 is arranged in the front end of transfer case, its deceleration sun gear 1J can as the input shaft of transfer case, the output terminal of planetary gear reducing mechanism 2 can by with reducing gear combined cover 3 engage the adjustment realizing speed ratio.Planetary gear reducing mechanism 2 comprises deceleration sun gear 1J, reduction planetary wheel 2J, reduction gear ring 3J, reduction planetary carrier 4J; The end of deceleration sun gear 1J is transfer case input shaft; Reduction gear ring 3J is fixed on transfer case housing; Reduction planetary wheel 2J by pinned connection on described reduction planetary carrier 4J; Deceleration sun gear 1J and reduction planetary carrier 4J all can be connected with a joggle with the reducing gear combined cover 3 be connected on jack shaft 4.Wherein, when reducing gear combined cover 3 engages with deceleration sun gear 1J, now reducing gear is high-grade, and when reducing gear combined cover 3 engages with reduction planetary carrier 4J, now reducing gear is low-grade; The Main Function of planetary reduction systems gearbox is exported further deceleration increasing to turn round, and optimizes car load power character, economic index.
In the utility model, planetary differential gear mechanism 6 is asymmetric satellite differential, and it comprises differential sun gear 1C, differential planetary wheel 2C, differential gear 3C, differential planetary frame 4C; Differential planetary frame 4C and jack shaft 4 are connected; Differential sun gear 1C is sleeved on jack shaft 4; Differential planetary wheel 2C by pinned connection on differential planetary frame 4C; Differential planetary wheel 2C one end is engaged with differential sun gear 1C, and the other end engages with differential gear 3C.Differential planetary frame 4C is connected by spline with jack shaft 4, respectively power is assigned to forward and backward bridge output shaft by differential sun gear 1C, differential gear 3C; Described differential sun gear 1C is triple gear, wherein 1C-1 is the sun gear portion of planet differential mechanism, and 1C-2 is chain gear portion, provides the driving wheel of power to propons, 1C-3 is spreadet spreadet wheel portion, realizes differential locking when box of tricks combined cover 5 engages with spreadet spreadet wheel portion 1C-3; Planetary differential gear mechanism realizes differential locking by the slippage of box of tricks combined cover 5.
In the utility model, back axle output shaft 7 is by two bearings on transfer case housing, and then supports whole planetary mechanism, and is furnished with gear type lubricating pump 8 on this axle, for whole assembly provides lubrication; Jack shaft 4 is supported on deceleration sun gear 1J, back axle output shaft 7 respectively, and by arranging reducing gear combined cover 3 and box of tricks combined cover 5 on jack shaft 4, realizing speed ratio and switching and the switching of differential locking; Meanwhile, back axle output shaft 7 and jack shaft 4 are provided with oil duct, are connected between two oil leabs by bushing pipe 9C, bushing pipe 9C adopts interference fit to be connected with back axle output shaft 7; Bushing pipe 9C adopts Spielpassung to be connected with jack shaft 4; Oil pump 8 is gear pump, and its power is from back axle output shaft 7, and when back axle output shaft 7 rotates, oil pump can suck lubricant oil by oil inlet pipe 10, and back axle output shaft 7 has oil duct, and the lubricant oil that oil pump 8 pumps enters in the oil duct of back axle output shaft 7; Bushing pipe 9C is lubricating oil path jointing, itself because with back axle output shaft 7 interference fit, with jack shaft 4 Spielpassung, therefore lubricant oil can enter jack shaft 4 from back axle output shaft 7, it has oil outlet at the corresponding position that need lubricate, and provides lubricant oil to bearing, gear.The transfer case housing of the utility model also between transfer case input shaft 1 and propons output shaft 18 is also provided with gearshift 19.
Disclosed in the utility model, retarder and auxiliary box structure integrate by a kind of new vehicle transfer case, have very large versatility and practicability; Structural configuration is compact simultaneously, can realize two grades of switchings, adopts chain transmission, alleviates assembly weight, adopts asymmetric planetary differential, can increase forward and backward output terminal bias ratio, and bias ratio is adjustable.
Should be understood that; the above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a new vehicle transfer case, comprises transfer case input shaft (1), planetary gear reducing mechanism (2), jack shaft (4), planetary differential gear mechanism (6), back axle output shaft (7), propons output shaft (18); Described transfer case input shaft (1) and described back axle output shaft (7) coaxially arranged; Described back axle output shaft (7) and the different axle of described propons output shaft (18) are arranged; Described jack shaft (4) is provided with between described transfer case input shaft (1) and described back axle output shaft (7); Described jack shaft (4) is connected with described planetary gear reducing mechanism (2) and described planetary differential gear mechanism (6); The deceleration sun gear (1J) of described planetary gear reducing mechanism (2) is affixed with described transfer case input shaft (1); The differential gear (3C) of described planetary differential gear mechanism (6) is affixed with described back axle output shaft (7); It is characterized in that: the differential sun gear (1C) of described planetary differential gear mechanism (6) is triple gear; Described differential sun gear (1C) comprises sun gear portion (1C-1), chain gear portion (1C-2), spreadet spreadet wheel portion (1C-3); Described chain gear portion (1C-2) is connected by sprocket wheel link chain mechanism and described propons output shaft (18).
2. a kind of new vehicle transfer case as claimed in claim 1, is characterized in that: described jack shaft (4) is also connected with reducing gear combined cover (3) and box of tricks combined cover (5); Described reducing gear combined cover (3) can be engaged with the reduction planetary carrier (2J) of the deceleration sun gear (1J) of described planetary gear reducing mechanism (2) or described planetary gear reducing mechanism (2); Described box of tricks combined cover (5) can be engaged with the spreadet spreadet wheel portion (1C-3) of described differential sun gear (1C).
3. a kind of new vehicle transfer case as claimed in claim 1, is characterized in that: described sun gear portion (1C-1), described chain gear portion (1C-2) and described spreadet spreadet wheel portion (1C-3) three are coaxial; Described sun gear portion (1C-1) and described chain gear portion (1C-2) are external gear; Described spreadet spreadet wheel portion (1C-3) is internal gear.
4. a kind of new vehicle transfer case as claimed in claim 1, is characterized in that: described planetary differential gear mechanism (6) is asymmetric satellite differential; Described asymmetric satellite differential comprises differential sun gear (1C), differential planetary wheel (2C), differential gear (3C), differential planetary frame (4C); Described differential planetary frame (4C) and described jack shaft (4) are connected; Described differential sun gear (1C) is sleeved on described jack shaft (4); Described differential planetary wheel (2C) by pinned connection on described differential planetary frame (4C); Described differential planetary wheel (2C) one end is engaged with described differential sun gear (1C), and the other end engages with described differential gear (3C).
5. a kind of new vehicle transfer case as claimed in claim 1, it is characterized in that: described planetary gear reducing mechanism (2) comprises deceleration sun gear (1J), reduction planetary wheel (2J), reduction gear ring (3J), reduction planetary carrier (4J); The end of described deceleration sun gear (1J) is transfer case input shaft; Described reduction gear ring (3J) is fixed on transfer case housing; Described reduction planetary wheel (2J) by pinned connection in described reduction planetary carrier (4J); Described deceleration sun gear (1J) and described reduction planetary carrier (4J) all can be connected with a joggle with the reducing gear combined cover (3) be connected on described jack shaft (4).
6. a kind of new vehicle transfer case as claimed in claim 1, is characterized in that: described back axle output shaft (7) is provided with lubricating pump (8).
7. a kind of new vehicle transfer case as claimed in claim 1, is characterized in that: described back axle output shaft (7) and described jack shaft (4) are provided with oil leab; Connected by bushing pipe (9C) between two oil leabs.
8. a kind of new vehicle transfer case as claimed in claim 7, is characterized in that: described bushing pipe (9C) is connected with described back axle output shaft (7) interference fit; Described bushing pipe (9C) is connected with described jack shaft (4) Spielpassung.
9. a kind of new vehicle transfer case as claimed in claim 1, is characterized in that: the transfer case housing between described transfer case input shaft (1) and described propons output shaft (18) is also provided with gearshift (19).
10. a kind of new vehicle transfer case as claimed in claim 1, is characterized in that: described sprocket wheel link chain mechanism comprises output sprocket (16) and chain (17); Described output sprocket (16) is affixed with described propons output shaft (18); Described chain (17) is connected with a joggle with the chain gear portion (1C-2) of described differential sun gear (1C); Described chain (17) and described output sprocket (16) are connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520840202.7U CN205064744U (en) | 2015-10-27 | 2015-10-27 | Novel vehicle transfer case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520840202.7U CN205064744U (en) | 2015-10-27 | 2015-10-27 | Novel vehicle transfer case |
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| CN205064744U true CN205064744U (en) | 2016-03-02 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763561A (en) * | 2016-12-17 | 2017-05-31 | 北奔重型汽车集团有限公司 | A kind of gearshift of heavy-duty car transfer case |
| CN108458063A (en) * | 2018-05-18 | 2018-08-28 | 长沙桑铼特农业机械设备有限公司 | A kind of transfer case and tractor |
| CN108501704A (en) * | 2018-05-10 | 2018-09-07 | 吉林大学 | A kind of between centers torque universe actively distributes full-time four-wheel drive system |
| CN109296738A (en) * | 2017-07-25 | 2019-02-01 | 马自达汽车株式会社 | The transfer structure of vehicle |
| WO2019228262A1 (en) * | 2018-05-28 | 2019-12-05 | Luo Can | Co-directional transfer differential speed transmitter |
| CN110701276A (en) * | 2019-10-11 | 2020-01-17 | 杭州耐巡客车变速箱有限公司 | Double-planet shunting type differential electrically-driven bridge reducer and assembling method thereof |
| CN112483618A (en) * | 2020-12-14 | 2021-03-12 | 江苏飞船股份有限公司 | Three-level two-gear speed reducer and electric automobile |
| CN112923042A (en) * | 2021-03-30 | 2021-06-08 | 洛阳雷斯达传动有限公司 | Transfer case for special vehicle |
| CN114087336A (en) * | 2021-11-10 | 2022-02-25 | 东风汽车集团股份有限公司 | Locking structure of differential mechanism and driving system with locking function |
-
2015
- 2015-10-27 CN CN201520840202.7U patent/CN205064744U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763561A (en) * | 2016-12-17 | 2017-05-31 | 北奔重型汽车集团有限公司 | A kind of gearshift of heavy-duty car transfer case |
| CN109296738A (en) * | 2017-07-25 | 2019-02-01 | 马自达汽车株式会社 | The transfer structure of vehicle |
| CN108501704A (en) * | 2018-05-10 | 2018-09-07 | 吉林大学 | A kind of between centers torque universe actively distributes full-time four-wheel drive system |
| CN108458063A (en) * | 2018-05-18 | 2018-08-28 | 长沙桑铼特农业机械设备有限公司 | A kind of transfer case and tractor |
| CN108458063B (en) * | 2018-05-18 | 2024-04-26 | 长沙桑铼特农业机械设备有限公司 | Transfer case and tractor |
| WO2019228262A1 (en) * | 2018-05-28 | 2019-12-05 | Luo Can | Co-directional transfer differential speed transmitter |
| CN110701276A (en) * | 2019-10-11 | 2020-01-17 | 杭州耐巡客车变速箱有限公司 | Double-planet shunting type differential electrically-driven bridge reducer and assembling method thereof |
| CN112483618A (en) * | 2020-12-14 | 2021-03-12 | 江苏飞船股份有限公司 | Three-level two-gear speed reducer and electric automobile |
| CN112923042A (en) * | 2021-03-30 | 2021-06-08 | 洛阳雷斯达传动有限公司 | Transfer case for special vehicle |
| CN114087336A (en) * | 2021-11-10 | 2022-02-25 | 东风汽车集团股份有限公司 | Locking structure of differential mechanism and driving system with locking function |
| CN114087336B (en) * | 2021-11-10 | 2023-10-03 | 东风汽车集团股份有限公司 | Locking structure of differential mechanism and driving system with locking function |
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