CN205395772U - Transfer case and vehicle - Google Patents
Transfer case and vehicle Download PDFInfo
- Publication number
- CN205395772U CN205395772U CN201620254656.0U CN201620254656U CN205395772U CN 205395772 U CN205395772 U CN 205395772U CN 201620254656 U CN201620254656 U CN 201620254656U CN 205395772 U CN205395772 U CN 205395772U
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- output shaft
- planet carrier
- transfer gear
- drivewheel
- gear
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Abstract
The utility model provides a transfer case and vehicle, the transfer case includes input shaft, front axle output shaft and rear axle output shaft, wherein, the transfer case still includes the action wheel of planetary gear mechanism, transmission connection each other and follows the driving wheel, planetary gear mechanism includes planet carrier, ring gear, sun gear and planetary gear, the planet carrier with input shaft, the ring gear with an output shaft in front axle output shaft and the rear axle output shaft, the empty cover of sun gear is in in front axle output shaft and the rear axle output shaft on the output shaft, connect from the driving wheel on another output shaft in front axle output shaft and the rear axle output shaft, the action wheel optionally with the planet carrier passes through the complete synchronization of lock piece. The power transmission efficiency of this transfer case is high, fuel economy is good.
Description
Technical field
This utility model relates to the drive system of vehicle, particularly to a kind of transfer gear and vehicle.
Background technology
The four-wheel drive system of vehicle is divided into AWD (FullTimeDrive), time sharing (Part-timeDrive) and in good time 4 wheel driven (OnTimeDrive), wherein: AWD system can realize front and back wheel and export power by certain torque ratio, if center differential possesses latch functions, propons/back axle rigidity locking can be realized, can get rid of poverty under extreme operating condition；Time sharing is that driver is according to surface conditions, two-wheel drive or four-wheel drive pattern is changed by being switched on or switched off transfer gear, drive and the type of drive of four driven free conversions thus realizing two, in good time four-wheel drive system has two and drives/4 wheel driven pattern, and two drive/4 wheel driven pattern is to complete switching control by vehicle-mounted computer and onboard sensor, without manual control, its advantage is that comparison is fuel-efficient.
But, these several four-wheel drive system of the prior art are primarily present following shortcoming:
AWD: four wheels continue dynamic output, therefore vehicle oil consumption is high；
Time sharing: without center differential in transfer gear, under 4 wheel driven pattern, can not high speed steering, causing that Vehicular turn is braked, threat to life time serious, for preventing braking in a turn problem, the two of time sharing drive the/artificial manipulation of 4 wheel driven control needs, so requiring higher to the driving efficiency of driver；
In good time 4 wheel driven: during due to 4 wheel driven transmission, power needs the clutch friction plate in transfer gear to pass to each drive axle, and between friction plate, it is likely to occur loss of machine of torque because of skidding, such that it is able to make distribution being short of power to front and back wheel, power transmission efficiency is not high, under extreme operating condition, ability of getting rid of poverty.
In consideration of it, be necessary to provide a kind of novel transfer gear, to overcome or at least to alleviate drawbacks described above.
Utility model content
In view of this, this utility model is directed to a kind of transfer gear, and the power transmission efficiency of this transfer gear is high, fuel economy is good.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of transfer gear, described transfer gear includes power shaft, propons output shaft and back axle output shaft, wherein, described transfer gear also includes planetary gears, the drivewheel being in transmission connection each other and driven pulley, described planetary gears includes planet carrier, gear ring, central gear and planetary gear, described planet carrier is connected with described power shaft, described gear ring is connected with an output shaft in described propons output shaft and back axle output shaft, on described central gear empty set one output shaft in described propons output shaft and back axle output shaft, described driven pulley is connected on another output shaft in described propons output shaft and back axle output shaft, described drivewheel passes through locking piece Complete Synchronization with described planet carrier alternatively.
Further, described locking piece is the tooth set that can slide onto the position simultaneously engaged with the teeth portion of described drivewheel and described planet carrier.
Further, described transfer gear also includes fastener, and described central gear, fastener and drivewheel three connect, and described fastener is engaged by friction plate transmission with described planet carrier alternatively.
Further, described gear ring is connected on described back axle output shaft, on described central gear empty set bridge output shaft in the rear, on described drivewheel empty set bridge output shaft in the rear, described driven pulley is connected on described propons output shaft, wherein, described drivewheel includes the first round portion and for taking turns portion with the second of described planet carrier Complete Synchronization for being in transmission connection with described driven pulley.
Further, described drivewheel is connected by driving-chain with described driven pulley.
Further, described transfer gear includes for driving the motion of described locking piece so that described drivewheel and described planet carrier Complete Synchronization or the driving device that separates.
Further, described driving device is motor or hydraulic cylinder.
Further, described transfer gear also includes the driving device for driving described fastener to be engaged by friction plate transmission with described planet carrier.
Further, described driving device is motor or hydraulic cylinder.
Relative to prior art, transfer gear described in the utility model has the advantage that
In transfer gear described in the utility model, when drivewheel separates with described planet carrier, the power of the electromotor that power shaft receives can be transferred to an output shaft (such as back axle output shaft) in described propons output shaft and back axle output shaft by way of described planet carrier, planetary gear, described gear ring and drive pattern realizing two；nullWhen drivewheel passes through locking piece Complete Synchronization with described planet carrier，On the one hand，The power of the electromotor that power shaft receives still can by way of described planet carrier、Planetary gear、Described gear ring is transferred to an output shaft (such as back axle output shaft) in described propons output shaft and back axle output shaft，On the other hand，The power of the electromotor that power shaft receives can also pass through described planet carrier、Drivewheel，Driven pulley is transferred to another output shaft (such as propons output shaft) in described propons output shaft and back axle output shaft，Thus finally realizing 4 wheel driven pattern，Owing to this 4 wheel driven mode is realized by the Complete Synchronization of drivewheel Yu described planet carrier，Therefore locking is reliable，Do not have the phenomenons such as the loss of machine of torque that causes because of friction slip，To sum up can draw，This transfer gear both can realize two and drive pattern to improve fuel economy，The 4 wheel driven pattern of Complete Synchronization can be realized again，To improve the power transmission efficiency under 4 wheel driven pattern，And then improve the ability of getting rid of poverty of the vehicle equipped with this transfer gear.
Another object of the present utility model is in that to propose a kind of vehicle, and this vehicle uses the transfer gear that this utility model provides.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of vehicle, wherein, described vehicle is provided with the electric-control system for controlling described locking piece action and transfer gear described above.
Described vehicle is identical relative to prior art have the advantage that with above-mentioned transfer gear, does not repeat them here.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and exemplary embodiment of the present utility model and explanation thereof are used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of the transfer gear described in this utility model embodiment.
Description of reference numerals:
1-power shaft, 2-propons output shaft, 3-back axle output shaft, 4-planet carrier, 5-gear ring, 6-central gear, 7-planetary gear, 8-drivewheel, 10-locking piece, 11-fastener, 12-driven pulley, 13-motor, 14-outside friction disc, 15-piston, 16-driving-chain.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in this utility model and the feature in embodiment can be mutually combined.
Describe this utility model in detail below with reference to the accompanying drawings and in conjunction with embodiment.
According to an aspect of the present utility model, a kind of transfer gear is provided, transfer gear includes power shaft 1, propons output shaft 2 and back axle output shaft 3, wherein, transfer gear also includes planetary gears, the drivewheel 8 being in transmission connection each other and driven pulley 12, planetary gears includes planet carrier 4, gear ring 5, central gear 6 and planetary gear 7, planet carrier 4 is connected with power shaft 1, gear ring 5 is connected with an output shaft in propons output shaft 2 and back axle output shaft 3, on central gear 6 empty set output shaft in propons output shaft 2 and back axle output shaft 3, driven pulley 12 is connected on another output shaft in propons output shaft 2 and back axle output shaft 3, drivewheel 8 passes through locking piece 10 Complete Synchronization with planet carrier 4 alternatively.Drivewheel 8 specifically can include the first round portion and for taking turns portion with the second of described planet carrier Complete Synchronization for being in transmission connection with driven pulley 12.For above-mentioned planetary gears, so it is easy to understand that wherein planetary gear 7 is arranged on planet carrier 4, and planetary gear 7 engages with central gear 6 and gear ring 5 respectively.
In transfer gear described in the utility model, when drivewheel 8 separates with planet carrier 4, the power of the electromotor that power shaft 1 receives can be transferred to an output shaft (such as back axle output shaft 3) in propons output shaft 2 and back axle output shaft 3 by way of planet carrier 4, planetary gear 7, gear ring 5 and drive pattern realizing two；nullWhen drivewheel 8 passes through locking piece 10 Complete Synchronization with planet carrier 4，On the one hand，The power of the electromotor that power shaft 1 receives still can by way of planet carrier 4、Planetary gear 7、Gear ring 5 is transferred to the output shaft (such as back axle output shaft 3) in propons output shaft 2 and back axle output shaft 3，On the other hand，The power of the electromotor that power shaft 1 receives can also pass through planet carrier 4、Drivewheel 8，Driven pulley 12 is transferred to another output shaft (such as propons output shaft 2) in propons output shaft 2 and back axle output shaft 3，Thus finally realizing 4 wheel driven，Owing to this 4 wheel driven mode is realized by the Complete Synchronization of drivewheel 8 with planet carrier 4，Therefore locking is reliable，Do not have the phenomenons such as the loss of machine of torque that causes because of friction slip，To sum up can draw，This transfer gear both can realize two and drive pattern to improve fuel economy，The 4 wheel driven pattern of Complete Synchronization can be realized again，To improve the power transmission efficiency under 4 wheel driven pattern，And then improve the ability of getting rid of poverty of the vehicle equipped with this transfer gear.
Above-mentioned locking piece 10 is preferably capable sliding onto the tooth set of the position simultaneously engaged with the teeth portion of drivewheel 8 and planet carrier 4, such that it is able to move axially, by what tooth overlapped, the purpose that the teeth portion realized on tooth set and drivewheel 8 and planet carrier 4 is engaged reaching drivewheel 8 and planet carrier 4 Complete Synchronization each other, but this utility model is not limited to this, adopt other modes to realize drivewheel 8 and planet carrier 4 Complete Synchronization it is also possible that, also this utility model protection should be subject to, the parts such as fixed pin shaft such as can also be adopted in theory to make drivewheel 8 fix with described planet carrier 4 be connected.
According to preferred implementation of the present utility model, transfer gear can also include fastener 11, and described central gear, fastener 11 and drivewheel three connect, and fastener 11 is engaged by friction plate transmission with planet carrier 4 alternatively.nullSuch setting，The transfer gear that this utility model provides is made to be capable of another kind of 4 wheel driven pattern，Under this 4 wheel driven pattern，Drivewheel 8 separates with planet carrier 4，Fastener 11 is combined with planet carrier 4 transmission，Specifically，Fastener 11 can be inner attrition piece，Planet carrier 4 can be provided with the outside friction disc 14 coordinated with this inner attrition piece，So，On the one hand，The power of the electromotor that power shaft 1 receives can by way of planet carrier 4、Planetary gear 7、Gear ring 5 is transferred to the output shaft (such as back axle output shaft 3) in propons output shaft 2 and back axle output shaft 3，On the other hand，The power of the electromotor that power shaft 1 receives can also pass through described planet carrier (such as planet carrier 4)、Fastener 11，Drivewheel 8、Driven pulley 12 is transferred to another output shaft (such as propons output shaft 2) in propons output shaft 2 and back axle output shaft 3，Thus finally realizing 4 wheel driven.
According to a kind of detailed description of the invention of the present utility model, it will be seen from figure 1 that gear ring 5 can be connected on back axle output shaft 3, central gear 6 can empty set on back axle output shaft 3, drivewheel 8 can empty set on back axle output shaft 3, driven pulley 12 can be connected on propons output shaft 2.
Be connected additionally, drivewheel 8 and driven pulley 12 can pass through driving-chain 16, but this utility model is not limited to this, drivewheel 8 and driven pulley 12 be gear drive, belt wheel transmission mode also should fall into protection domain of the present utility model.
Preferably, transfer gear can include for driving locking piece 10 to move so that drivewheel 8 and planet carrier 4 Complete Synchronization or the driving device that separates.This driving device can be motor 13 or hydraulic cylinder (preferred motor 13).Transfer gear could be included for the driving device driving fastener 11 to be engaged by friction plate transmission with planet carrier 4.This driving device can be motor or hydraulic cylinder (preferred hydraulic cylinder, the piston 15 of this hydraulic cylinder is used for driving fastener 11 to engage with outside friction disc 14).
It is understandable that, the transfer gear that this utility model provides is controlled preferably by electric-control system, driving device for driving locking piece 10 is motor 13 below, is that example illustrates for driving the driving device of fastener 11 to be hydraulic cylinder, for instance this transfer gear may include that
Automatic mode:
Under this pattern, electric control system controls motor 13 makes locking piece 10 move to make drivewheel 8 separate with planet carrier 4, if the piston 15 of electric control system controls hydraulic cylinder promotes fastener 11 to engage with outside friction disc 14, then realize the 4 wheel driven pattern under this automatic mode, if the piston 15 of electric control system controls hydraulic cylinder makes fastener 11 separate with outside friction disc 14, then two realized under this automatic mode drive pattern.Owing to concrete power transfer path describes in detail hereinbefore, explanation is not repeated herein.It should be added that, owing to, under this pattern, power transmits each through planetary gears, it is possible to achieve the moment of torsion distribution of 0:100 to 100:0.
4 wheel driven lockdown mode:
Under this pattern, electric control system controls motor 13 makes locking piece 10 move to and makes drivewheel 8 and planet carrier 4 Complete Synchronization, thus realizing the 4 wheel driven pattern of Complete Synchronization.Owing to concrete power transfer path describes in detail hereinbefore, explanation is not repeated herein.It should be added that, owing to, under this pattern, power is transmitted with planet carrier 4 by the drivewheel 8 of Complete Synchronization each other, it is possible to achieve the moment of torsion distribution of 50:50.
According to another aspect of the present utility model, also provide for a kind of vehicle, wherein, this vehicle is provided with above-mentioned transfer gear and for controlling the electric-control system of locking piece 10 action, certainly, this electric-control system can be also used for controlling fastener 11 action, based on the plurality of advantages of above-mentioned transfer gear, the overall performance of this vehicle also promotes therewith, enables in particular to adapt to more harsh with complicated cross-country requirement.
The foregoing is only better embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
- null1. a transfer gear，Described transfer gear includes power shaft (1)、Propons output shaft (2) and back axle output shaft (3)，It is characterized in that，Described transfer gear also includes planetary gears、The drivewheel (8) being in transmission connection each other and driven pulley (12)，Described planetary gears includes planet carrier (4)、Gear ring (5)、Central gear (6) and planetary gear (7)，Described planet carrier (4) is connected with described power shaft (1)，Described gear ring (5) is connected with an output shaft in described propons output shaft (2) and back axle output shaft (3)，On described central gear (6) empty set one output shaft in described propons output shaft (2) and back axle output shaft (3)，Described driven pulley (12) is connected on another output shaft in described propons output shaft (2) and back axle output shaft (3)，Described drivewheel (8) alternatively with described planet carrier (4) by locking piece (10) Complete Synchronization.
- 2. transfer gear according to claim 1, it is characterised in that described locking piece (10) is the tooth set that can slide onto the position simultaneously engaged with the teeth portion of described drivewheel (8) and described planet carrier (4).
- 3. transfer gear according to claim 2, it is characterized in that, described transfer gear also includes fastener (11), described central gear (6), fastener (11) and drivewheel (8) three connect, and described fastener (11) is engaged by friction plate transmission with described planet carrier (4) alternatively.
- 4. transfer gear according to claim 3, it is characterized in that, described gear ring (5) is connected on described back axle output shaft (3), on described central gear (6) empty set bridge output shaft (3) in the rear, on described drivewheel (8) empty set bridge output shaft (3) in the rear, described driven pulley (12) is connected on described propons output shaft (2), wherein, described drivewheel (8) includes the first round portion and for taking turns portion with the second of described planet carrier (4) Complete Synchronization for being in transmission connection with described driven pulley (12).
- 5. transfer gear according to claim 4, it is characterised in that described drivewheel (8) is connected by driving-chain (16) with described driven pulley (12).
- 6. transfer gear as claimed in any of claims 1 to 5, it is characterized in that, described transfer gear includes for driving described locking piece (10) motion so that described drivewheel (8) and described planet carrier (4) Complete Synchronization or the driving device that separates.
- 7. transfer gear according to claim 6, it is characterised in that described driving device is motor (13) or hydraulic cylinder.
- 8. the transfer gear according to any one in claim 3 to 5, it is characterised in that described transfer gear also includes the driving device for driving described fastener (11) to be engaged by friction plate transmission with described planet carrier (4).
- 9. transfer gear according to claim 8, it is characterised in that described driving device is motor or hydraulic cylinder.
- 10. a vehicle, it is characterised in that described vehicle is provided with transfer gear as claimed in any of claims 1 to 9 and for controlling the electric-control system of described locking piece (10) action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254656.0U CN205395772U (en) | 2016-03-30 | 2016-03-30 | Transfer case and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254656.0U CN205395772U (en) | 2016-03-30 | 2016-03-30 | Transfer case and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205395772U true CN205395772U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620254656.0U Active CN205395772U (en) | 2016-03-30 | 2016-03-30 | Transfer case and vehicle |
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| Country | Link |
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| CN (1) | CN205395772U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225967A (en) * | 2017-07-19 | 2017-10-03 | 浙江春风动力股份有限公司 | A kind of differential bridge |
| CN108240448A (en) * | 2016-12-27 | 2018-07-03 | 比亚迪股份有限公司 | Differential mechanism and vehicle |
| CN108501705A (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 |
| CN114103630A (en) * | 2020-08-31 | 2022-03-01 | 蜂巢传动科技河北有限公司 | Vehicle transfer case, power assembly and vehicle |
-
2016
- 2016-03-30 CN CN201620254656.0U patent/CN205395772U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240448A (en) * | 2016-12-27 | 2018-07-03 | 比亚迪股份有限公司 | Differential mechanism and vehicle |
| CN108240448B (en) * | 2016-12-27 | 2019-12-10 | 比亚迪股份有限公司 | Differential and vehicle |
| CN107225967A (en) * | 2017-07-19 | 2017-10-03 | 浙江春风动力股份有限公司 | A kind of differential bridge |
| CN107225967B (en) * | 2017-07-19 | 2024-04-12 | 浙江春风动力股份有限公司 | Differential axle |
| CN108501705A (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 |
| CN114103630A (en) * | 2020-08-31 | 2022-03-01 | 蜂巢传动科技河北有限公司 | Vehicle transfer case, power assembly and vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |