CN212555808U - Dual-power input coupling device of integrated differential mechanism - Google Patents

Dual-power input coupling device of integrated differential mechanism Download PDF

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CN212555808U
CN212555808U CN202020586761.0U CN202020586761U CN212555808U CN 212555808 U CN212555808 U CN 212555808U CN 202020586761 U CN202020586761 U CN 202020586761U CN 212555808 U CN212555808 U CN 212555808U
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differential
planetary gear
planet carrier
power input
power
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不公告发明人
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y02T10/62—Hybrid vehicles

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Abstract

The utility model provides an integrated differential's double dynamical input coupling device, include: the planet carrier comprises a planet carrier main body (1), a planet carrier end cover (2), at least three pairs of identical planetary gear pairs (34), a first power input gear ring (5), a second power input gear ring (6) and a differential mechanism (7). The utility model has the advantages that: the power input coupling device and the differential are integrated into a whole through reasonable design, the structure is compact, the weight is light, the power of two power sources can be effectively and efficiently coupled and finally output through the differential, the complexity of a power coupling system of a hybrid electric vehicle is greatly simplified, and the power coupling device is particularly suitable for being used as the power coupling device of the hybrid electric vehicle consisting of an internal combustion engine and a motor; meanwhile, the power coupling device is also suitable for a pure electric vehicle consisting of double motors.

Description

Dual-power input coupling device of integrated differential mechanism
Technical Field
The utility model relates to an automobile power coupling device relates to an integrated differential mechanism's double dynamical input coupling device particularly.
Background
Along with the development of social economy, the quantity of automobiles in China is increased day by day, the traditional fossil energy crisis is closer and closer, meanwhile, the environmental awareness of people is stronger and stronger, the traditional fuel oil vehicle consumes a large amount of fossil fuel and brings about a large amount of emission of greenhouse gases and harmful gases, the electric vehicle cannot be popularized comprehensively due to the defects of high battery cost, low capacity, short endurance mileage and the like, the hybrid electric vehicle not only keeps the advantages of long endurance mileage, high refueling efficiency and the like of the traditional internal combustion engine, but also has the advantages of strong power, energy conservation and environmental protection of the electric vehicle, and therefore, the hybrid electric vehicle is an ideal automobile power scheme at present, but the most key technology of the hybrid electric vehicle is a power coupling device of the internal combustion engine and the motor, and is also a mark for the advancement of the technology.
At present, the most mature and elegant hybrid power scheme belongs to the THS oil-electricity hybrid power system of a Toyota automobile, the THS oil-electricity hybrid power system is a power coupling device based on a single-row planetary gear as a core, the system has a simple and reliable structure, the high-efficiency coupling of the rotating speed and the power of a motor and an engine is realized, but the system also has obvious defects: firstly, because the main driving motor (namely No. 2 motor) of the system is directly connected with the output end of the coupler, the speed ratio of the system is constant in all speed intervals of the automobile, so that the output torque of the main driving motor cannot be amplified at low speed, and the rotating speed of the main driving motor cannot be reduced at high speed, so that the overall power and the oil-saving effect are not ideal; in addition, because the No. 2 motor (main driving motor), the No. 1 motor and the internal combustion engine are respectively connected with the gear ring, the sun gear and the planet carrier of the planetary gear system, and the gear ring, the sun gear and the planet carrier have fixed rotation speed ratios, the rotation speed relationship of the three needs to be accurately controlled in the driving process to prevent the rotation speeds of the three from interfering with each other, and complex software and hardware control facilities are needed, so that the system cost is high.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem among the correlation technique, the utility model provides an integrated differential's double dynamical input coupling device has rational in infrastructure, and control is simple, can realize energy saving and emission reduction, can compromise the double dynamical input coupling device of the powerful hybrid vehicle of power again.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
a dual power input coupling device incorporating a differential, comprising: the planetary gear set comprises a planetary carrier main body 1, a planetary carrier end cover 2, at least three identical planetary gear pairs 34, a first power input gear ring 5, a second power input gear ring 6 and a differential mechanism 7.
The planet carrier main body 1 is of a cylindrical structure and comprises a bottom plate 101 and a cylindrical wall 105, a differential installation hole I102 and a differential installation spline housing I103 are arranged at the center of the bottom plate 101, an internal spline I103 a is arranged inside the differential installation spline housing I103, a planetary gear pair installation groove I104 is coaxially arranged on the bottom plate 101 and positioned outside the differential installation spline housing I103, the number of the planetary gear pair installation grooves I104 is equal to that of the planetary gear pairs 34, partitions with the same number as that of the planetary gear pairs 34 are arranged on the cylindrical wall 105, and the partition positions correspond to the positions of the planetary gear pair installation grooves I104 on the bottom plate 101, after the planetary gear pair 34 is installed in the planet carrier, a part of teeth of the planetary gear pair 34 are always positioned outside the cylinder wall 105 of the planet carrier, and at least 3 bolt connecting holes I105 a are arranged on the end surface of the cylinder wall 105.
The center department of planet carrier end cover 2 is provided with differential installation hole II 201 and differential installation spline housing II 202, the inside of differential installation spline housing II 202 is provided with internal spline II 202a, lie in the outside of differential installation spline housing II 202 on planet carrier end cover 2 rather than coaxial being provided with planetary gear to mounting groove II 203, the shape of planetary gear to mounting groove II 203, the size, the position, quantity is the same with planetary gear to mounting groove I104, still be provided with bolted connection hole II 204 on planet carrier end cover 2, its size, the position, quantity is the same with bolted connection hole I105 a.
The planet carrier main body 1 and the planet carrier end cover 2 are integrally connected through a bolt connecting hole I105 a and a bolt connecting hole II 204 by a bolt I20, thereby forming a planet carrier.
Each pair of planetary gears 34 comprises a planetary gear I3 and a planetary gear II 4, wherein the planetary gear I3 comprises a first tooth section 301, a second tooth section 302 and a shaft neck I303 which are integrated; the planet gear II 4 comprises a third tooth section 401, a fourth tooth section 402 and a journal II 403 which are integrated; parameters and sizes of all parts of the planet gear I3 and the planet gear II 4 are the same.
Each pair of planet gears 34 is installed in the planet gear pair installation groove I104 and the planet gear pair installation groove II 203 of the planet carrier through a bearing I30 arranged on the journal I303 of the planet gear I3 and the journal II 403 of the planet gear II 4, the planet gears I3 and the planet gears II 4 can rotate together with the planet carrier and can rotate around the axes of the planet gears I3 and the planet gears II 4, and the second tooth section 302 of the planet gear I3 and the fourth tooth section 402 of the planet gear II 4 are meshed all the time in operation.
A first power coupling tooth part 501 is arranged inside the first power input gear ring 5, a first power input tooth part 502 is arranged outside the first power input gear ring, a second power coupling tooth part 601 is arranged inside the second power input gear ring 6, and a second power input tooth part 602 is arranged outside the second power input gear ring;
the first power input gear ring 5 is sleeved outside the cylinder wall 105 of the planet carrier, a first power coupling tooth part 501 in the first power input gear ring is meshed with a first tooth section 301 of a planetary gear I3 of each pair of planetary gears 34, the second power input gear ring 6 is sleeved outside the cylinder wall 105 of the planet carrier, and a second power coupling tooth part 601 in the second power input gear ring is meshed with a third tooth section 401 of a planetary gear II 4 of each pair of planetary gears 34;
the differential 7 includes: the first half shaft 701, the second half shaft 703 and the differential shell 702 are provided with a planet carrier connecting external spline 702a, and the parameters of the planet carrier connecting external spline 702a are the same as the parameters of an internal spline I103 a and an internal spline II 202a on the planet carrier;
the differential 7 is installed inside a planet carrier through a planet carrier connecting external spline 702a on a differential carrier 702, the differential carrier 702 and the planet carrier are connected into a whole to move together with the planet carrier, and a first half shaft 701 and a second half shaft 703 of the differential 7 respectively penetrate through a differential mounting hole I102 and a differential mounting hole II 201 to extend out of the planet carrier.
The differential 7 is a prior art product that is capable of decomposing the motion of the differential case 702 into the motion of the first axle shaft 701 and the second axle shaft 703.
The working principle of the double-power input coupling device integrated with the differential mechanism is as follows:
the first power source 100 is engaged with the first power input tooth portion 502 of the first power input ring gear 5 through the first power shaft gear 8, the first power shaft gear 8 and the first power input ring gear 5 constitute a main speed reduction mechanism of the first power source, the second power source 200 is engaged with the second power input tooth portion 602 of the second power input ring gear 6 through the second power shaft gear 9, and the second power shaft gear 9 and the second power input ring gear 6 constitute a main speed reduction mechanism of the second power.
A differential gear train Π is formed by the planet carrier, the first power input gear ring 5, the second power input gear ring 6 and at least three planetary gear pairs 34, and can combine two motions input by the first power source 100 through the first power shaft gear 8 and the second power source 200 through the second power shaft gear 9 into a motion of the planet carrier, and the rotational speed output by the first power source 100 is set to be omega, and the rotational speed of the first power shaft gear 8 is also set to be omega1The gear ratio of the first power shaft gear 8 to the first power input tooth portion 502 is 1: 5, the rotation speed of the first power input ring gear 5 is omega1And/5, the output rotation speed of the second power source 200 and the rotation speed of the second power shaft gear 9 are set to be omega2The gear ratio of the second power shaft gear 9 to the second power input tooth portion 602 is 1: 5, the rotation speed of the second power input gear ring is omega2And/5, setting the rotating speed of the planet carrier to be omega3Then, (omega) can be known according to the characteristics of differential gear train II1/5+ω2/5)＝2ω3Wherein ω is1、ω2、ω3Are all generation numbers;
the power of the first power source 100 and the second power source 200 is combined to the carrier by a differential gear train Π, and then transmitted to the differential housing 702, the motion of the differential housing 702 is divided into the motion of the first half shaft 701 and the second half shaft 703 by the differential mechanism 7, and further transmitted to the left and right wheels 400 by the transmission shaft 300, so as to drive the vehicle to run.
The utility model has the advantages that: the power input coupling device and the differential are integrated into a whole through reasonable design, the structure is compact, the weight is light, the power of two power sources can be effectively and efficiently coupled and finally output through the differential, the complexity of a power coupling system of a hybrid electric vehicle is greatly simplified, and the power coupling device is particularly suitable for being used as the power coupling device of the hybrid electric vehicle consisting of an internal combustion engine and a motor; meanwhile, the power coupling device is also suitable for a pure electric vehicle consisting of double motors.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a planet carrier main body of a dual-power input coupling device of an integrated differential according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a planet carrier end cover of a dual-power input coupling device of an integrated differential according to an embodiment of the present invention;
fig. 3 is a schematic view of an overall structure of a planet carrier of a dual-power input coupling device integrated with a differential according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a differential mechanism of a dual power input coupling device integrated with a differential mechanism according to an embodiment of the present invention;
fig. 5 is a schematic view of a differential and planet carrier combination of a dual power input coupling device integrated with a differential according to an embodiment of the present invention;
fig. 6a is a schematic structural diagram of a planetary gear pair of a dual power input coupling device integrated with a differential according to an embodiment of the present invention;
fig. 6b is a schematic structural diagram of the first power input ring gear 5 of the dual power input coupling device of the integrated differential according to the embodiment of the present invention;
fig. 6c is a schematic structural diagram of the second power input ring gear 6 of the dual power input coupling device of the integrated differential according to the embodiment of the present invention;
fig. 7 is a schematic view of a combined structure of a planet carrier and a planetary gear pair of a dual-power input coupling device of an integrated differential according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a differential gear train Π of a dual-power input coupling device integrated with a differential mechanism according to an embodiment of the present invention;
fig. 9 is a schematic overall structure diagram of a dual power input coupling device integrated with a differential according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a hybrid power system including a dual-power input coupling device integrated with a differential according to an embodiment of the present invention;
in the figure:
1. a planet carrier body; 101. a base plate; 102. a differential mounting hole I; 103. a spline housing I is mounted on the differential; 103a and an inner spline I; 104. a planetary gear pair mounting groove I; 105. a cylinder wall; 105a and a bolt connecting hole I; 2. a planet carrier end cover; 201. a differential mounting hole II; 202. mounting a spline sleeve II on the differential; 202a and an internal spline II; 203. a planetary gear pair mounting groove II; 20. a bolt I; 30. a bearing I; 34. A pair of planetary gears; 3. a planetary gear I; 301. a first tooth segment; 302. a second tooth segment; 303. a shaft neck I; 4. a planetary gear II; 401. a third tooth segment; 402. a fourth tooth segment; 403. a journal II; 5. a first power input ring gear; 501. a first power coupling tooth portion; 502. a first power input tooth portion; 6. a second power input ring gear; 601. a second power coupling tooth portion; 602. a second power input tooth portion; 7. a differential mechanism; 701, performing heat treatment on the mixture; a first half shaft; 702. a differential housing; 702a and the planet carrier are connected with an external spline; 703. a second half shaft; 8. A first power shaft gear; 9. a second power shaft gear; 100. a first power source; 200. a second power source; 300. a drive shaft; 400. and (7) wheels.
The specific implementation mode is as follows:
the technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1-10: a dual power input coupling device incorporating a differential, comprising: the planetary gear set comprises a planetary carrier main body 1, a planetary carrier end cover 2, three identical planetary gear pairs 34, a first power input gear ring 5, a second power input gear ring 6 and a differential mechanism 7.
Planet carrier main part 1 is cylindrical tubular structure, including bottom plate 101 and section of thick bamboo wall 105, the center department of bottom plate 101 is provided with differential installation hole I102 and differential installation spline housing I103, the inside of differential installation spline housing I103 is provided with internal spline I103 a, the outside that lies in differential installation spline housing I103 on the bottom plate 101 is rather than coaxial being provided with planetary gear pair mounting groove I104, the quantity of planetary gear pair mounting groove I104 is equal with the quantity of planetary gear pair 34, be provided with the wall that quantity is the same with the quantity of planetary gear pair 34 on section of thick bamboo wall 105, the position of wall corresponds with the position of the planetary gear pair mounting groove I104 on the bottom plate 101, and ensure that after planetary gear pair 34 installs in the planet carrier, there is the outside that some tooth is located the section of thick bamboo wall 105 of planet carrier all the time, be provided with 9 bolted connection holes I105 a on the.
A differential mounting hole II 201 and a differential mounting spline housing II 202 are arranged at the center of the planet carrier end cover 2, an internal spline II 202a is arranged inside the differential mounting spline housing II 202, the parameters of the internal spline II 202a are the same as those of the internal spline I103 a, a planet gear pair mounting groove II 203 is coaxially arranged on the planet carrier end cover 2 and is positioned on the outer side of the differential mounting spline housing II 202, the shape, size, position and number of the planet gear pair mounting groove II 203 are the same as those of the planet gear pair mounting groove I104, and a bolt connecting hole II 204 is also arranged on the planet carrier end cover 2 and is the same as that of the bolt connecting hole I105 a in size, position and number;
the planet carrier main body 1 and the planet carrier end cover 2 are connected into a whole through a bolt connecting hole I105 a and a bolt connecting hole II 204 by a bolt I20, so that a planet carrier is formed;
each pair of planetary gears 34 comprises a planetary gear I3 and a planetary gear II 4, wherein the planetary gear I3 comprises a first tooth section 301, a second tooth section 302 and a shaft neck I303 which are integrated; the planet gear II 4 comprises a third tooth section 401, a fourth tooth section 402 and a journal II 403 which are integrated; parameters and sizes of the parts of the planetary gear I3 and the planetary gear II 4 are the same;
each pair of planet gears 34 is arranged in a planet gear pair mounting groove I104 and a planet gear pair mounting groove II 203 of the planet carrier through a bearing I30 arranged on a journal I303 of the planet gear I3 and a journal II 403 of the planet gear II 4, the planet gears I3 and the planet gears II 4 can rotate together with the planet carrier and can rotate around the axes of the planet gears I3 and the planet gears II 4, and a second tooth section 302 of the planet gear I3 and a fourth tooth section 402 of the planet gear II 4 are always meshed in the operation;
a first power coupling tooth part 501 is arranged inside the first power input gear ring 5, a first power input tooth part 502 is arranged outside the first power input gear ring, a second power coupling tooth part 601 is arranged inside the second power input gear ring 6, and a second power input tooth part 602 is arranged outside the second power input gear ring;
the first power input gear ring 5 is sleeved outside the cylinder wall 105 of the planet carrier, a first power coupling tooth part 501 in the first power input gear ring is meshed with a first tooth section 301 of a planetary gear I3 of each pair of planetary gears 34, the second power input gear ring 6 is sleeved outside the cylinder wall 105 of the planet carrier, and a second power coupling tooth part 601 in the second power input gear ring is meshed with a third tooth section 401 of a planetary gear II 4 of each pair of planetary gears 34;
the differential 7 includes: the first half shaft 701, the second half shaft 703 and the differential shell 702 are provided with a planet carrier connecting external spline 702a, and the parameters of the planet carrier connecting external spline 702a are the same as the parameters of an internal spline I103 a and an internal spline II 202a on the planet carrier;
the differential 7 is installed inside a planet carrier through a planet carrier connecting external spline 702a on a differential carrier 702, the differential carrier 702 and the planet carrier are connected into a whole to move together with the planet carrier, and a first half shaft 701 and a second half shaft 703 of the differential 7 respectively penetrate through a differential mounting hole I102 and a differential mounting hole II 201 to extend out of the planet carrier.
The differential 7 is a prior art product that is capable of decomposing the motion of the differential case 702 into the motion of the first axle shaft 701 and the second axle shaft 703.
The working principle of the double-power input coupling device integrated with the differential mechanism is as follows:
the first power source 100 is engaged with the first power input tooth portion 502 of the first power input ring gear 5 through the first power shaft gear 8, the first power shaft gear 8 and the first power input ring gear 5 constitute a main speed reduction mechanism of the first power source, the second power source 200 is engaged with the second power input tooth portion 602 of the second power input ring gear 6 through the second power shaft gear 9, and the second power shaft gear 9 and the second power input ring gear 6 constitute a main speed reduction mechanism of the second power.
A differential gear train Π is formed by the planet carrier, the first power input gear ring 5, the second power input gear ring 6 and three planetary gear pairs 34, and can combine two motions input by the first power source 100 through the first power shaft gear 8 and the second power source 200 through the second power shaft gear 9 into a motion of the planet carrier, and the first power source 100 is set to output a rotating speed, and the rotating speed of the first power shaft gear 8 is also set to be omega1The gear ratio of the first power shaft gear 8 to the first power input tooth portion 502 is 1: 5, the rotation speed of the first power input ring gear 5 is omega1And/5, the output rotation speed of the second power source 200 and the rotation speed of the second power shaft gear 9 are set to be omega2The gear ratio of the second power shaft gear 9 to the second power input tooth portion 602 is 1: 5, the rotation speed of the second power input gear ring is omega2And/5, setting the rotating speed of the planet carrier to be omega3Then, (omega) can be known according to the characteristics of differential gear train II1/5+ω2/5)＝2ω3Wherein ω is1、ω2、ω3Are all generation numbers;
the power of the first power source 100 and the second power source 200 is combined to the carrier by a differential gear train Π, and then transmitted to the differential housing 702, the motion of the differential housing 702 is divided into the motion of the first half shaft 701 and the second half shaft 703 by the differential mechanism 7, and further transmitted to the left and right wheels 400 by the transmission shaft 300, so as to drive the vehicle to run.
The above description is only one of the preferred embodiments of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims (3)

1. A dual power input coupling device incorporating a differential, comprising: the planetary gear set comprises a planetary carrier main body (1), a planetary carrier end cover (2), at least three identical planetary gear pairs (34), a first power input gear ring (5), a second power input gear ring (6) and a differential (7); the method is characterized in that:
the planet carrier main body (1) is of a cylindrical structure and comprises a bottom plate (101) and a cylindrical wall (105), a differential installation hole I (102) and a differential installation spline sleeve I (103) are arranged at the center of the bottom plate (101), an internal spline I (103a) is arranged inside the differential installation spline sleeve I (103), planetary gear pair installation grooves I (104) are coaxially arranged on the outer side of the differential installation spline sleeve I (103) on the bottom plate (101), the number of the planetary gear pair installation grooves I (104) is equal to that of planetary gear pairs (34), partitions with the same number as that of the planetary gear pairs (34) are arranged on the cylindrical wall (105), the partition positions correspond to those of the planetary gear pair installation grooves I (104) on the bottom plate (101), and after the planetary gear pairs (34) are installed in the planet carrier, a part of teeth of the planetary gear pairs (34) are always positioned on the outer side of the cylindrical wall (105) of the planet carrier, the end face of the cylinder wall (105) is provided with at least 3 bolt connecting holes I (105 a);
a differential mounting hole II (201) and a differential mounting spline housing II (202) are arranged at the center of the planet carrier end cover (2), an internal spline II (202a) is arranged inside the differential mounting spline housing II (202), a planetary gear pair mounting groove II (203) is coaxially arranged on the planet carrier end cover (2) and positioned on the outer side of the differential mounting spline housing II (202), the shape, size, position and number of the planetary gear pair mounting groove II (203) are the same as those of the planetary gear pair mounting groove I (104), and a bolt connecting hole II (204) is also arranged on the planet carrier end cover (2) and has the size, position and number of the bolt connecting hole II (105 a);
the planet carrier main body (1) and the planet carrier end cover (2) are connected into a whole through a bolt connecting hole I (105a) and a bolt connecting hole II (204) by a bolt I (20), so that a planet carrier is formed;
each pair of planetary gear pairs (34) comprises a planetary gear I (3) and a planetary gear II (4), wherein the planetary gear I (3) comprises a first tooth section (301), a second tooth section (302) and a shaft neck I (303) which are integrated; the planetary gear II (4) comprises a third tooth section (401), a fourth tooth section (402) and a shaft neck II (403) which are integrated; parameters and sizes of the planetary gear I (3) and the planetary gear II (4) are the same;
each pair of planetary gear pairs (34) is arranged in a planetary gear pair mounting groove I (104) and a planetary gear pair mounting groove II (203) of the planet carrier through a bearing I (30) arranged on a journal I (303) of the planetary gear I (3) and a journal II (403) of the planetary gear II (4), the planetary gear I (3) and the planetary gear II (4) can rotate together with the planet carrier and can rotate around the axis of the planetary gear I and the planetary gear II, and a second tooth section (302) of the planetary gear I (3) and a fourth tooth section (402) of the planetary gear II (4) are always meshed in the operation;
a first power coupling tooth part (501) is arranged inside the first power input gear ring (5), a first power input tooth part (502) is arranged outside the first power input gear ring, a second power coupling tooth part (601) is arranged inside the second power input gear ring (6), and a second power input tooth part (602) is arranged outside the second power input gear ring;
the first power input gear ring (5) is sleeved outside the cylinder wall (105) of the planet carrier, a first power coupling tooth part (501) in the first power input gear ring is meshed with a first tooth section (301) of a planetary gear I (3) of each pair of planetary gears (34), the second power input gear ring (6) is sleeved outside the cylinder wall (105) of the planet carrier, and a second power coupling tooth part (601) in the second power input gear ring is meshed with a third tooth section (401) of a planetary gear II (4) of each pair of planetary gears (34);
the differential (7) comprises: the differential mechanism comprises a first half shaft (701), a second half shaft (703) and a differential shell (702), wherein a planet carrier connecting external spline (702a) is arranged on the differential shell (702), and the parameters of the planet carrier connecting external spline (702a) are the same as those of an internal spline I (103a) and an internal spline II (202a) on the planet carrier;
the differential (7) is installed inside a planet carrier through a planet carrier connecting external spline (702a) on a differential carrier shell (702), the differential carrier shell (702) and the planet carrier are connected into a whole to move together with the planet carrier, and a first half shaft (701) and a second half shaft (703) of the differential (7) respectively penetrate through a differential mounting hole I (102) and a differential mounting hole II (201) and extend out of the planet carrier.
2. The dual-power input coupling device of the integrated differential of claim 1, wherein: the differential (7) is capable of splitting the movement of the differential case (702) into the movement of a first half-shaft (701) and a second half-shaft (703).
3. The dual-power input coupling device of the integrated differential of claim 1, wherein: the planetary gear I (3), the planetary gear II (4), the first power input gear ring (5) and the second power input gear ring (6) are straight gears or helical gears or herringbone gears.
CN202020586761.0U 2020-04-20 2020-04-20 Dual-power input coupling device of integrated differential mechanism Active CN212555808U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020586761.0U CN212555808U (en) 2020-04-20 2020-04-20 Dual-power input coupling device of integrated differential mechanism

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Application Number Priority Date Filing Date Title
CN202020586761.0U CN212555808U (en) 2020-04-20 2020-04-20 Dual-power input coupling device of integrated differential mechanism

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CN212555808U true CN212555808U (en) 2021-02-19

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