CN204961745U - Planetary gear drive variable speed system - Google Patents
Planetary gear drive variable speed system Download PDFInfo
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- CN204961745U CN204961745U CN201520500520.9U CN201520500520U CN204961745U CN 204961745 U CN204961745 U CN 204961745U CN 201520500520 U CN201520500520 U CN 201520500520U CN 204961745 U CN204961745 U CN 204961745U
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Abstract
The utility model discloses a planetary gear drive variable speed system, including first input end, second input, planetary gear set spare and derailleur, first input end and second input respectively the transmission connect in the sun gear of planetary gear set spare and the planet carrier that outer ring gear passes through planetary gear set spare are with the power transmission extremely the derailleur, consequently, the utility model discloses a planetary gear drive variable speed system can use two power device power coupling succeeding crops to obtain different transmission speed and power through the derailleur as power, and simultaneously, it is poor to have the rotational speed between two power device's the output shaft to increase substantially the dynamic performance of vehicle.
Description
Technical field
The utility model relates to motor vehicle components field, specifically a kind of planet gear drives speed variator system.
Background technique
Motor Vehicle is divided into electric motor car (two-wheeled, three-wheel and electric vehicle) and take motor as the vehicle of power, electric motor car is for motivational drive electric vehicle travels with onboard power storage battery, because electric motor car has the light feature of energy-saving and environmental protection, and cost of use is lower, more and more come into one's own.But, it is poor that power and output torque etc. due to motor compare motor, for solving the problem be short of power of electric motor car, more compact car adopts hybrid architecture, use gasoline driven and electric drive two kinds of driving mode vehicles only lean on driven by motor before reaching certain speed, and utilize merely a motor as the pure electric vehicle of power, because its cost is higher, be short of power, be difficult to apply to the higher vehicle of the cost requirement such as two-wheeled, three-wheel.
Therefore, need one that two power plant can be used to carry out after power coupling, as power source, meanwhile, between two power plant output terminals, can speed discrepancy being there is, thus increase substantially the planet gear drives speed variator system of the power performance of vehicle.
Model utility content
In view of this, the purpose of this utility model overcomes defect of the prior art, provides one that two power plant can be used as power, simultaneously, can speed discrepancy be there is between two power plant output shaft, thus increase substantially the planet gear drives speed variator system of the power performance of vehicle.
Planet gear drives speed variator system of the present utility model, comprises first input end, the second input end, planetary gear set and speed changer; Described first input end and the second input end be in transmission connection respectively in the sun gear of described planetary gear set and external toothing and by the planet carrier of planetary gear set by transmission of power to described speed changer;
Further, described planetary gear set is for driving differential mechanism; Described first input end and the second input end are in transmission connection respectively in the left half axle of described driving differential mechanism and right axle shaft and are outputed power by this driving differential mechanism;
Further, described driving differential mechanism comprises driving differential casing and drives differential gear assembly, and described driving differential casing is provided with power output gear integrated with it;
Further, described speed changer comprises driving shaft and driven shaft, described driving shaft is in transmission connection with driving differential casing and driving shaft is combined with in the mode that can be rotated about axis and keeps off driving gear and keep off driving gear slowly soon, described driven shaft upper driving be provided with the fast gear driven gear that engages with described fast gear driving gear and with the slow gear driven gear keeping off driving gear slowly and engage, described driving shaft is combined with gear shift coupling in the mode of the circumferencial direction transmission that slides axially.
Further, the planet wheel shaft of described driving differential mechanism is through driving differential casing also by being fixed on driving differential casing radially across the fixing pin of planet wheel shaft;
Further, the axial two ends of described driving differential casing stretch out the support tube formed for being rotatably assorted with the extension shaft part of left half axle gear and the extension shaft part of right axle shaft gear;
Further, described support tube external cylindrical surface is provided with driving differential bearing;
Further, described driving differential casing is monolithic construction and this driving differential casing is provided with for installing the installation via hole driving differential gear assembly;
Further, jack shaft is provided with between described driving differential mechanism and driving shaft, the intermediate gear that described jack shaft upper driving is combined with deceleration driving gear and engages with power output gear, described driving shaft upper driving is combined with the reduction driven gear engaged with described deceleration driving gear;
Planet gear drives speed variator system also comprises and being in transmission connection respectively in the first motor of described first input end and the second input end and the second motor.
The beneficial effects of the utility model are: planet gear drives speed variator system of the present utility model, power is kept supplying by two power plant simultaneously, the planetary gear set be provided with between two power plant output shaft can output power after the power combination of two power plant, this planetary gear set can solve two nonsynchronous problems of power plant output shaft rotating speed, therefore, planet gear drives speed variator system of the present utility model, two power plant can be used to export as power simultaneously, and allow two power plant output shaft to there is speed discrepancy, thus improve output power and the moment of torsion of electric vehicle, finally increase substantially the power performance of vehicle.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, and as shown in the figure, the planet gear drives speed variator system of the present embodiment, comprises first input end, the second input end, planetary gear set and speed changer, described first input end and the second input end be in transmission connection respectively in the sun gear of described planetary gear set and external toothing and by the planet carrier of planetary gear set by transmission of power to described speed changer, therefore vehicle power is kept supplying by two power plant simultaneously, the planetary gear set be provided with between two power plant output shaft can output power after the power combination of two power plant, this planetary gear set can solve two nonsynchronous problems of power plant output shaft rotating speed, therefore, planet gear drives speed variator system of the present utility model, two power plant can be used to export as power simultaneously, and allow two power plant output shaft to there is speed discrepancy, thus improve output power and the moment of torsion of electric vehicle, finally increase substantially the power performance of vehicle.
In the present embodiment, in the present embodiment, described planetary gear set is for driving differential mechanism 5, power coupling is exported by this driving differential mechanism 5 by first input end and the second input end, drive differential mechanism 5 compact structure reliable, larger load effect can be born, in the present embodiment, first input end and the second input end are in transmission connection respectively in the left half axle and the right axle shaft that drive differential mechanism 5, output power to vehicle drive system by differential mechanism 5 output gear.
In the present embodiment, described driving differential mechanism 5 comprises driving differential mechanism 5 housing and drives differential mechanism 5 gear assembly, described driving differential mechanism 5 housing is provided with power output gear 7 integrated with it, differential gear assembly belongs to existing structure, comprise planetary pinion, left half axle 2 gear and right axle shaft 8 gear, do not repeat them here, drive the power output gear 7 on differential mechanism 5 housing can coordinate with the existing vehicle drive system such as speed changer, thus export after the power combination of two motors, power output gear 7 is one-body molded with driving differential mechanism 5 housing, greatly can improve the maximum bearing load of differential mechanism, and be conducive to the compactedness improving differential mechanism.
In the present embodiment, described speed changer comprises driving shaft 13 and driven shaft 17, described driving shaft 13 and driving differential casing are in transmission connection and driving shaft 13 are combined with in the mode that can be rotated about axis and keep off driving gear 14 soon and keep off driving gear 20 slowly, described driven shaft 17 upper driving be provided with the fast gear driven gear 16 that engages with described fast gear driving gear 14 and with the slow gear driven gear 18 keeping off driving gear 20 slowly and engage, described driving shaft 13 is combined with gear shift coupling 19 in the mode of the circumferencial direction transmission that slides axially, driving shaft 13 by fast gear driving gear 14 with keep off soon driven gear 16 engage or the slow driving gear 20 that keeps off keeps off the engaging transmission of power to driven shaft 17 of driven gear 18 with slow, thus obtain different transmission speeds and power.
In the present embodiment, the planet wheel shaft 6 of described driving differential mechanism 5 is through driving differential mechanism 5 housing and driving differential mechanism 5 housing by being fixed on radially across the fixing pin of planet wheel shaft 6, therefore, the power from motor output shaft will drive differential mechanism 5 housing to export by driving differential mechanism 5 gear assembly to be passed to.
In the present embodiment, the axial two ends of described driving differential mechanism 5 housing stretch out the support tube 4 formed for being rotatably assorted with the extension shaft part of left half axle 2 gear and the extension shaft part of right axle shaft 8 gear, the extension shaft part of support tube 4 inwall and differential gear is slidably matched, left and right semiaxis 8 one end is in transmission connection in differential gear and extends shaft part, the other end stretches out outside support tube 4, therefore, this support tube 4 can improve the support stiffness of left and right semiaxis 8 gear gear outrigger shaft section, is conducive to the coaxality ensureing left and right semiaxis 8.
In the present embodiment, be provided with outside described support tube 4 and drive differential mechanism 5 bearing 3, this driving differential mechanism 5 bearing 3 is provided with two and its inner ring is matched with on the support tube 4 of driving differential mechanism 5 housing both sides respectively, operationally outputting power will be rotated around axial high speed owing to driving differential mechanism 5 housing, this driving differential mechanism 5 bearing 3 can improve the coaxality of left and right half 8 further, there will not be eccentric wear between kinematic pair, be beneficial to the working life extending differential mechanism and whole retarder.
In the present embodiment, described driving differential mechanism 5 housing is monolithic construction and this driving differential mechanism 5 housing is provided with for installing the installation via hole driving differential mechanism 5 gear assembly, differential casing adopts monolithic construction, add and determine good coaxality man-hour, thus be easy to ensure coaxality in installation process, directly to install, improve installation efficiency; Owing to being monolithic construction, thus Long-Time Service there will not be coaxality problem, there will not be eccentric wear between kinematic pair, is beneficial to the working life extending differential mechanism and whole retarder, reduces user cost; Owing to there is not eccentric wear, greatly reduce and use energy consumption, be beneficial to the distance travelled after extending electric motor car charging.
In the present embodiment, jack shaft 8 is provided with between described driving differential mechanism and driving shaft 10, the intermediate gear that described jack shaft 8 upper driving is combined with deceleration driving gear and engages with power output gear, described driving shaft 10 upper driving is combined with the reduction driven gear 9 engaged with described deceleration driving gear, because the rotating speed of motor is larger, need to be exported by multi-stage speed-reducing, and larger reduction speed ratio between deceleration driving gear and reduction driven gear 9, can be had, realize outputing power after deceleration increases square.
The planet gear drives speed variator system of the present embodiment also comprises the first motor 1 and the second motor 9 be in transmission connection respectively in described first input end and the second input end, motor is adopted to discharge without waste gas under steam as the power plant of vehicle, free from environmental pollution, electric vehicle drives the energy utilization rate of automobile high than petrol engine simultaneously, but, it is poor that power and output torque etc. due to motor compare motor, therefore, adopt two motors to export and utilize planetary gear set the to carry out problem be short of power that power coupling can solve electric motor car simultaneously.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. a planet gear drives speed variator system, is characterized in that: comprise first input end, the second input end, planetary gear set and speed changer; Described first input end and the second input end be in transmission connection respectively in the sun gear of described planetary gear set and external toothing and by the planet carrier of planetary gear set by transmission of power to described speed changer.
2. planet gear drives speed variator system according to claim 1, is characterized in that: described planetary gear set is for driving differential mechanism; Described first input end and the second input end are in transmission connection respectively in the left half axle of described driving differential mechanism and right axle shaft and are outputed power by this driving differential mechanism.
3. planet gear drives speed variator system according to claim 2, is characterized in that: described driving differential mechanism comprises driving differential casing and drives differential gear assembly, and described driving differential casing is provided with power output gear integrated with it.
4. planet gear drives speed variator system according to claim 3, it is characterized in that: described speed changer comprises driving shaft and driven shaft, described driving shaft is in transmission connection with driving differential casing and driving shaft is combined with in the mode that can be rotated about axis and keeps off driving gear and keep off driving gear slowly soon, described driven shaft upper driving be provided with the fast gear driven gear that engages with described fast gear driving gear and with the slow gear driven gear keeping off driving gear slowly and engage, described driving shaft is combined with gear shift coupling in the mode of the circumferencial direction transmission that slides axially.
5. planet gear drives speed variator system according to claim 3, is characterized in that: the planet wheel shaft of described driving differential mechanism is through driving differential casing also by being fixed on driving differential casing radially across the fixing pin of planet wheel shaft.
6. planet gear drives speed variator system according to claim 3, is characterized in that: the axial two ends of described driving differential casing stretch out the support tube formed for being rotatably assorted with the extension shaft part of left half axle gear and the extension shaft part of right axle shaft gear.
7. planet gear drives speed variator system according to claim 3, is characterized in that: be provided with driving differential bearing outside described support tube.
8. planet gear drives speed variator system according to claim 3, is characterized in that: described driving differential casing is monolithic construction and this driving differential casing is provided with for installing the installation via hole driving differential gear assembly.
9. planet gear drives speed variator system according to claim 3, it is characterized in that: between described driving differential mechanism and driving shaft, be provided with jack shaft, the intermediate gear that described jack shaft upper driving is combined with deceleration driving gear and engages with power output gear, described driving shaft upper driving is combined with the reduction driven gear engaged with described deceleration driving gear.
10. planet gear drives speed variator system according to claim 2, is characterized in that: also comprise and being in transmission connection respectively in the first motor of described first input end and the second input end and the second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500520.9U CN204961745U (en) | 2015-07-09 | 2015-07-09 | Planetary gear drive variable speed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500520.9U CN204961745U (en) | 2015-07-09 | 2015-07-09 | Planetary gear drive variable speed system |
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| Publication Number | Publication Date |
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| CN204961745U true CN204961745U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520500520.9U Active CN204961745U (en) | 2015-07-09 | 2015-07-09 | Planetary gear drive variable speed system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972889A (en) * | 2015-07-09 | 2015-10-14 | 重庆隆旺机电有限责任公司 | Dual-power coupling speed variator |
| CN112666459A (en) * | 2021-01-05 | 2021-04-16 | 上海宝准电源科技有限公司 | Novel motor or gear box load test system |
-
2015
- 2015-07-09 CN CN201520500520.9U patent/CN204961745U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104972889A (en) * | 2015-07-09 | 2015-10-14 | 重庆隆旺机电有限责任公司 | Dual-power coupling speed variator |
| CN112666459A (en) * | 2021-01-05 | 2021-04-16 | 上海宝准电源科技有限公司 | Novel motor or gear box load test system |
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