CN115723478A - Integrated multi-gear variable-speed electric drive axle assembly - Google Patents
Integrated multi-gear variable-speed electric drive axle assembly Download PDFInfo
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- CN115723478A CN115723478A CN202211570286.8A CN202211570286A CN115723478A CN 115723478 A CN115723478 A CN 115723478A CN 202211570286 A CN202211570286 A CN 202211570286A CN 115723478 A CN115723478 A CN 115723478A
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The invention relates to an integrated multi-gear variable-speed electrically-driven axle assembly, which comprises a speed reducer assembly, a motor assembly and an electric control unit, wherein the speed reducer assembly is arranged on the axle; the speed reducer assembly is connected with a motor assembly, and the motor assembly is controlled by an electric control unit; according to the invention, the sequential gear shifting execution motor is used for controlling the worm gear mechanism, so that the simultaneous action of the main/auxiliary speed change mechanisms is realized, the gear shifting stroke and the gear shifting time are effectively reduced, the gear shifting time interval is effectively increased, and the gear shifting efficiency is obviously improved.
Description
Technical Field
The invention relates to the technical field of new energy commercial vehicles, in particular to an integrated multi-gear variable-speed electrically driven axle assembly.
Background
The axle is the most critical part of a vehicle bearing system and a transmission system, and has the main functions of bearing the load of the vehicle and realizing the driving running of the vehicle by reducing the speed and increasing the torque of the power generated by the engine;
with the continuous development of new energy technology, electric drive has become one of the main development directions in the technical field of commercial vehicles, and the technical route adopted by the electric drive commercial vehicle in the prior art mainly comprises: 1. the central motor generates power, the speed and the torque are increased through the mechanical gearbox, and finally the power is input to the axle through the transmission shaft, so that the vehicle is driven to run; 2. the electric drive axle technology is adopted, a motor generates power, and the power is reduced and torque is increased through a first-stage reduction gear or a multi-stage reduction gear, so that the vehicle is driven to run;
the main problems of the two technical routes are as follows: the first technical route has long power system transmission route, generates large loss, and is relatively poor in energy consumption and maintenance convenience; although the second technical route is improved to a certain extent in the aspect of driving efficiency, the whole size structure of the axle is larger due to the existence of the multi-stage reduction gears, the layout difficulty of a vehicle suspension system is difficult to meet, a speed change system does not exist, and the energy consumption is still high.
Disclosure of Invention
The invention aims to provide an integrated multi-gear variable-speed electrically-driven axle assembly aiming at the defects of the prior art, and the integrated design of a motor assembly, an electric control assembly, a speed reducer assembly and a driving axle housing assembly is adopted, and a sequential gear shifting structure is adopted, so that the output torque and the transmission efficiency of an axle are effectively improved while the compact structure and the small size of the axle are ensured, and the overall performance and the energy consumption of a vehicle are obviously improved.
The invention is realized by adopting the following technical scheme:
an integrated multi-gear variable-speed electrically driven axle assembly comprises a driving axle housing assembly, a speed reducer assembly, a motor assembly and an electric control unit; the speed reducer assembly, the motor assembly and the electric control unit are integrally arranged in the same shell and are connected with the drive axle housing assembly; the speed reducer assembly is connected with a motor assembly, and the motor assembly is controlled by an electric control unit;
the reduction gear assembly includes: the motor shaft and the sequential gear shifting structure are connected with the output end of the motor assembly;
the first reduction gear shaft is in transmission connection with the motor shaft;
the main gear shaft is in transmission connection with the first reduction gear shaft and is connected with the sequential gear shifting structure; the main speed change gear shaft is of a sectional structure and is used for realizing gear shifting under the action of a sequential gear shifting structure;
the auxiliary speed change gear shaft is in transmission connection with one side, far away from the first speed reduction gear shaft, of the main speed change gear shaft;
and the output shaft is in transmission connection with one side of the main speed change gear shaft, which is far away from the auxiliary speed change gear shaft.
Preferably, the motor assembly comprises a driving motor and a sequential gear shifting executing motor; the driving motor and the sequential gear shifting execution motor are respectively controlled by an electric control unit.
Preferably, the input end of the motor shaft is connected with the output end of the driving motor through a spline, and the middle part of the motor shaft is provided with an input gear.
Preferably, one end of the first reduction gear shaft is provided with a first reduction gear engaged with the input gear, and the other end is provided with a second reduction gear.
Preferably, the main gear shaft comprises a first main gear shaft and a second main gear shaft which rotate circumferentially;
the first main gear shaft is provided with a first main gear, a second main gear and a third main gear which rotate circumferentially; the first main speed change gear is meshed with the second reduction gear;
a main-gear connecting ring fixedly connected with a main-gear shaft I is arranged between the main-gear I and the main-gear II, and a main-gear meshing sleeve is arranged on the outer side of the main-gear connecting ring in a sliding manner;
a main transmission gear connecting ring I matched with the auxiliary transmission connecting ring is arranged on the main transmission gear III;
the main variable gear shaft II is of a hollow structure, a main variable gear IV is arranged on one side close to the main variable gear shaft I, and a main variable gear V is fixedly arranged on the other side;
the end part of one side of the main variable-speed gear IV, which is close to the main variable-speed gear shaft, is provided with a main variable-speed gear connecting ring II matched with the auxiliary variable-speed connecting ring, and the outer side of the auxiliary variable-speed connecting ring is provided with an auxiliary variable-speed meshing sleeve in a sliding manner;
one end of the auxiliary speed change gear shaft is provided with a second auxiliary speed change gear which is meshed with the fifth main speed change gear, and the other end of the auxiliary speed change gear shaft is fixedly provided with a first auxiliary speed change gear which is meshed with the third main speed change gear.
Preferably, the output shaft comprises a driven gear and a differential; and the driven gear is engaged with the main speed changing gear in a four-phase manner and is fixedly connected with the differential mechanism.
Preferably, the sequential gear shifting structure comprises a worm, a worm wheel, a sequential gear shifting main execution wheel, a main speed changing fork, an auxiliary speed changing fork, a fork shaft and a sequential gear shifting execution wheel shaft;
the sequence gear shifting execution motor is connected with a worm meshed with a worm wheel arranged at one end of a sequence gear shifting execution wheel shaft, the sequence gear shifting execution wheel shaft is provided with a sequence gear shifting main execution wheel and a sequence gear shifting auxiliary execution wheel, the sequence gear shifting main execution wheel and the sequence gear shifting auxiliary execution wheel are provided with speed change groove structures capable of enabling a main speed change shifting fork and an auxiliary speed change shifting fork to slide on a shifting fork shaft, and the main speed change shifting fork and the auxiliary speed change shifting fork are respectively matched with a main speed change meshing sleeve and an auxiliary speed change meshing sleeve.
Preferably, the input gear, the first reduction gear, the second reduction gear, the first auxiliary transmission gear, the second auxiliary transmission gear, the first main transmission gear, the second main transmission gear, the third main transmission gear, the fourth main transmission gear, the fifth main transmission gear and the driven gear are helical gears.
Preferably, one side of the third main speed change gear close to the second main speed change gear is positioned through a shaft shoulder, and the other side of the third main speed change gear close to the second main speed change gear is positioned through an auxiliary speed change connecting ring.
Compared with the prior art, the invention has the following beneficial technical effects:
1. compact structure, integrated level are high: the motor assembly, the electric control unit and the speed reducer assembly are integrated and designed in the same shell, so that the high integration of the driving, controlling and speed changing functions of the axle is realized, and meanwhile, the axial size of the axle speed reducer is effectively reduced by adopting the structural design of a main/auxiliary speed changing gear shaft, so that the axle structure is more compact and smaller in size;
2. the output torque is large: the number of the meshing gear pairs is changed timely according to the change of the gear of the axle, and when the large torque output is needed under the low-speed working condition, the multi-stage gear pairs are selected for speed reduction, so that the large torque output is realized;
3. the transmission efficiency is high: the main/auxiliary variable speed gear shaft structure is adopted, so that the number of meshing gear pairs and variable speed mechanisms in the multi-gear variable speed transmission process is effectively reduced, the transmission friction loss is effectively reduced, and the transmission efficiency is improved;
4. the gear shifting efficiency is high: by adopting a sequential gear shifting structure, the worm and gear mechanism is controlled by the sequential gear shifting execution motor, so that the simultaneous action of the main/auxiliary speed change mechanism is realized, the gear shifting stroke and the gear shifting time are effectively reduced, the gear shifting time interval is effectively increased, and the gear shifting efficiency is obviously improved;
5. low noise, operation are stable and reliable: the main reducer adopts a full helical tooth structure, so that the transmission noise and the vibration amplitude of the axle are effectively reduced, and the operation reliability of the axle is obviously improved while the transmission efficiency is improved.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of an integrated electrically driven axle assembly with multiple gears and variable speeds according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a sequential shift structure and a transmission shafting arrangement structure according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a transmission shafting arrangement according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a sequential shifting device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of power transmission of a gear shaft system under a power-off condition according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of power transmission of a gear shaft system in a first gear according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of power transmission between a gear shaft and a second gear according to an embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating power transmission between a gear shaft and a third gear according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of power transmission of a gear shaft system in a fourth gear according to an embodiment of the present invention;
FIG. 10 is a schematic representation of a shift schedule for a transmission in accordance with an embodiment of the present invention in a third gear arrangement;
FIG. 11 is a schematic diagram of a sequential shift pattern with a transmission in a fourth gear arrangement in accordance with an embodiment of the present invention.
Description of reference numerals:
1. a reducer assembly; 2. a motor assembly; 3. a drive axle housing assembly; 4. an electronic control unit;
11. a motor shaft; 12. a first reduction gear shaft; 13. a counter gear shaft; 14. a main transmission gear shaft; 14a, a first main gear shaft; 14b, a second main gear shaft; 15. an output shaft; 16. a sequential shift configuration;
11-1, connecting a spline with a motor; 11-2, an input gear;
12-1, a first reduction gear; 12-2, a second reduction gear;
13-1, a first auxiliary speed change gear; 13-2, a second auxiliary speed change gear;
14-1, a first main gear; 14-2, a main gear shift meshing sleeve; 14-3, a main gear connecting ring; 14-4, a second main gear; 14-5, a third main gear; 14-6, an auxiliary speed change meshing sleeve; 14-7, a fourth main gear; 14-8, a main gear five; 14-9, a main gear connecting ring II; 14-10, a main gear connecting ring I; 14-11, an auxiliary variable speed connecting ring;
15-1, a driven gear; 15-2, a differential;
16-1, a sequential gear shifting execution motor; 16-2, a worm; 16-3, a worm gear; 16-4, a sequential shift main execution wheel; 16-5, a main speed shifting fork; 16-6, an auxiliary speed change shifting fork; 16-7, a shifting fork shaft; 16-8, executing gear shifting in sequence; 16-9, and a sequential shift pair actuating wheel.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a detailed description of the present invention will be given below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example 1:
as shown in fig. 1 to 11, an integrated multi-gear speed-changing electrically-driven axle assembly includes a reducer assembly 1, a motor assembly 2, and an electronic control unit 4, which are integrally designed in the same housing and connected to a transaxle housing assembly 3; the reducer assembly 1 is connected with the motor assembly 2, and the motor assembly 2 is controlled by the electric control unit 4;
the speed reducer assembly 1 includes: the motor shaft 11 is connected with the output end of the motor assembly 2, and the sequential gear shifting structure 16 is connected with the output end of the motor assembly 2;
the first reduction gear shaft 12 is in transmission connection with the motor shaft 11;
a main transmission gear shaft 14 drivingly connected to the first reduction gear shaft 12 and connected to a sequential shift structure 16; the main transmission gear shaft 14 is of a sectional structure, and the main transmission gear shaft 14 is used for realizing gear shifting under the action of a sequential gear shifting structure 16;
a secondary speed change gear shaft 13 which is connected with one side of the main speed change gear shaft 14 far away from the first speed reduction gear shaft 12 in a transmission way;
and an output shaft 15 which is in transmission connection with one side of the main speed change gear shaft 14 far away from the auxiliary speed change gear shaft 13.
In one embodiment of the present invention, the motor assembly 2 includes a driving motor, a sequential shift execution motor 16-1; the driving motor and the sequential gear shifting execution motor 16-1 are controlled and connected by the electric control unit 4;
in one embodiment of the present invention, one end of the motor shaft 11 is provided with a motor connecting spline 11-1 and connected with the driving motor, and the middle of the motor shaft 11 is provided with an input gear 11-2;
in one embodiment of the present invention, the first reduction gear shaft 12 is provided at one end with a first reduction gear 12-1 engaged with the input gear 11-2 and at the other end with a second reduction gear 12-2 engaged with the main shift gear one 14-1;
in one embodiment of the present invention, the main shift gear shafts 14 include a first main shift gear shaft 14a and a second main shift gear shaft 14b that are free to rotate circumferentially; the main variable-speed gear shaft I14 a is provided with a main variable-speed gear I14-1, a main variable-speed gear II 14-4 and a main variable-speed gear III 14-5 which can freely rotate circumferentially; a main gear connecting ring 14-3 fixedly connected with a main gear shaft I14 a is arranged between the main gear I14-1 and the main gear II 14-4, and meshing spline structures with the same specification as the main gear connecting ring 14-3 are arranged on the opposite sides of the main gear connecting ring; the outer side of the main gear connecting ring 14-3 is provided with a main gear meshing sleeve 14-2 which can slide left and right in a spline connection mode; one side of the main variable-speed gear third 14-5, which is close to the main variable-speed gear second 14-4, is positioned through a shaft shoulder, the other side of the main variable-speed gear third 14-5 is positioned through an auxiliary variable-speed connecting ring 14-11, and a main variable-speed gear connecting ring first 14-10 with the same specification as the auxiliary variable-speed connecting ring 14-11 is arranged on the main variable-speed gear third 14-5; the second main speed change gear shaft 14b is a hollow structure, a fourth main speed change gear 14-7 which is integrally formed with the first main speed change gear shaft 14a is arranged on one side close to the first main speed change gear shaft 14a, a fifth main speed change gear 14-8 is fixedly arranged on the other side, a second main speed change gear connecting ring 14-9 which has the same specification with the second auxiliary speed change connecting ring 14-11 is arranged at the end part of the fourth main speed change gear 14-7 close to one side of the first main speed change gear shaft 14a, and an auxiliary speed change meshing sleeve 14-6 which can slide left and right is arranged on the outer side of the auxiliary speed change connecting ring 14-11 in a spline connection mode;
in one embodiment of the invention, one end of the auxiliary transmission gear shaft 13 is provided with a second auxiliary transmission gear 13-2 which is integrally formed with the auxiliary transmission gear and is meshed with a fifth main transmission gear 14-8, and the other end is fixedly provided with a first auxiliary transmission gear 13-1 which is meshed with a third main transmission gear 14-5;
in one embodiment of the invention, the output shaft 15 comprises a driven gear 15-1 and a differential 15-2, wherein the driven gear 15-1 is meshed with a fourth main speed change gear 14-7 and is fixedly connected with the differential 15-2;
in one embodiment of the invention, the sequential shift structure 16 comprises a sequential shift execution motor 16-1, the sequential shift execution motor 16-1 is connected with a worm 16-2 engaged with a worm wheel 16-3 arranged at one end of a sequential shift execution wheel shaft 16-8, the sequential shift execution wheel shaft 16-8 is provided with a sequential shift main execution wheel 16-4 and a sequential shift auxiliary execution wheel 16-9 which are integrally formed with the sequential shift execution wheel shaft, the sequential shift main execution wheel 16-4 and the sequential shift auxiliary execution wheel 16-9 are provided with a speed-changing groove structure which can enable a main speed-changing fork 16-5 and an auxiliary speed-changing fork 16-6 to slide left and right on a shifting fork shaft 16-7, and the main speed-changing fork 16-5 and the auxiliary speed-changing fork 16-6 are respectively matched with a main speed engaging sleeve 14-2 and an auxiliary speed engaging sleeve 14-6;
in one embodiment of the invention, the input gear 11-2, the first reduction gear 12-1, the second reduction gear 12-2, the first auxiliary transmission gear 13-1, the second auxiliary transmission gear 13-2, the first main transmission gear 14-1, the second main transmission gear 14-4, the third main transmission gear 14-5, the fourth main transmission gear 14-7, the fifth main transmission gear 14-8 and the driven gear 15-1 are helical gears;
the multi-gear speed change principle of the electrically driven axle assembly is as follows: when the axle needs to be shifted, a sequential shifting execution motor 16-1 in the sequential shifting structure 16 rotates a worm 16-2 under the control of an electric control unit 4, and a worm wheel 16-3 which is arranged on a sequential shifting execution wheel shaft 16-8 and meshed with the worm 16-2 drives a sequential shifting main execution wheel 16-4 and a sequential shifting auxiliary execution wheel 16-9 to rotate for a certain angle, so as to drive at least one of a main speed change shifting fork 16-5 and an auxiliary speed change shifting fork 16-6 arranged on a shifting fork shaft 16-7 to slide left and right, so that the selective connection between the speed change gears is realized, and the change of the gear of the axle is completed; the sequential shift structure 16 can realize three-or four-gear shift by adjusting the spread locus of the shift gate structure of the sequential shift main execution wheel 16-4 and the sequential shift sub execution wheel 16-9.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. An integrated multi-gear variable-speed electrically-driven axle assembly is characterized by comprising a driving axle housing assembly (3), a speed reducer assembly (1), a motor assembly (2) and an electric control unit (4); the speed reducer assembly (1), the motor assembly (2) and the electric control unit (4) are integrated in the same shell and are connected with the drive axle housing assembly (3); the speed reducer assembly (1) is connected with the motor assembly (2), and the motor assembly (2) is controlled by the electric control unit (4);
the reducer assembly (1) comprises: a motor shaft (11) connected with the output end of the motor assembly (2) and a sequential gear shifting structure (16);
the first reduction gear shaft (12) is in transmission connection with the motor shaft (11);
the main gear shaft (14) is in transmission connection with the first reduction gear shaft (12) and is connected with the sequential gear shifting structure (16); the main gear shaft (14) is of a sectional type structure, and the main gear shaft (14) is used for realizing gear shifting under the action of the sequential gear shifting structure (16);
the auxiliary speed change gear shaft (13) is in transmission connection with one side, far away from the first speed reduction gear shaft (12), of the main speed change gear shaft (14);
and the output shaft (15) is in transmission connection with one side of the main transmission gear shaft (14) far away from the auxiliary transmission gear shaft (13).
2. The integrated multispeed electrically driven axle assembly according to claim 1, characterized in that the electric motor assembly (2) comprises a drive motor, a sequential shift execution motor (16-1); the driving motor and the sequential gear shifting execution motor (16-1) are respectively controlled by an electric control unit (4).
3. The integrated multi-speed electric drive axle assembly according to claim 2, wherein the input end of the motor shaft (11) is splined to the output end of the drive motor, and the middle of the motor shaft (11) is provided with the input gear (11-2).
4. The integrated electrically driven axle assembly with multiple gear ratios according to claim 3, characterized in that the first reduction gear shaft (12) is provided with a first reduction gear (12-1) engaging with the input gear (11-2) at one end and a second reduction gear (12-2) at the other end.
5. The integrated multi-speed electrically driven axle assembly according to claim 4, wherein said main transmission gear shafts (14) comprise circumferentially rotating first (14 a) and second (14 b) main transmission gear shafts;
a first main gear (14-1), a second main gear (14-4) and a third main gear (14-5) which rotate circumferentially are arranged on the first main gear shaft (14 a); the first main speed change gear (14-1) is meshed with the second speed reduction gear (12-2);
a main speed change connecting ring (14-3) fixedly connected with a main speed change gear shaft I (14 a) is arranged between the main speed change gear I (14-1) and the main speed change gear II (14-4), and a main speed change meshing sleeve (14-2) is arranged on the outer side of the main speed change connecting ring (14-3) in a sliding manner;
a primary speed change gear connecting ring I (14-10) matched with the secondary speed change connecting ring (14-11) is arranged on the primary speed change gear III (14-5);
the second main speed change gear shaft (14 b) is of a hollow structure, one side close to the first main speed change gear shaft (14 a) is provided with a fourth main speed change gear (14-7), and the other side is fixedly provided with a fifth main speed change gear (14-8);
the end part of the fourth main speed change gear (14-7) close to one side of the first main speed change gear shaft (14 a) is provided with a second main speed change gear connecting ring (14-9) matched with the auxiliary speed change connecting ring (14-11), and the outer side of the auxiliary speed change connecting ring (14-11) is provided with an auxiliary speed change meshing sleeve (14-6) in a sliding manner;
one end of the auxiliary speed change gear shaft (13) is provided with an auxiliary speed change gear II (13-2) which is meshed with a main speed change gear II (14-8), and the other end of the auxiliary speed change gear shaft is fixedly provided with an auxiliary speed change gear I (13-1) which is meshed with a main speed change gear III (14-5).
6. Integrated multispeed electrically driven axle assembly according to claim 5, characterized in that said output shaft (15) comprises a driven gear (15-1), a differential (15-2); the driven gear (15-1) is meshed with a main gear four (14-7) and is fixedly connected with the differential (15-2).
7. The integrated multispeed electric drive axle assembly according to claim 6, characterized in that the sequential shift structure (16) comprises a worm (16-2), a worm wheel (16-3), a sequential shift main actuating wheel (16-4), a main shift fork (16-5), a range shift fork (16-6), a shift fork shaft (16-7), a sequential shift actuating wheel shaft (16-8);
the sequential gear shifting executing motor (16-1) is connected with a worm (16-2) meshed with a worm wheel (16-3) arranged at one end of a sequential gear shifting executing wheel shaft (16-8), a sequential gear shifting main executing wheel (16-4) and a sequential gear shifting auxiliary executing wheel (16-9) are arranged on the sequential gear shifting executing wheel shaft (16-8), variable speed groove structures capable of enabling a main variable speed shifting fork (16-5) and an auxiliary variable speed shifting fork (16-6) to slide on a shifting fork shaft (16-7) are arranged on the sequential gear shifting main executing wheel (16-4) and the sequential gear shifting auxiliary executing wheel (16-9), and the main variable speed shifting fork (16-5) and the auxiliary variable speed shifting fork (16-6) are respectively matched with a main variable speed meshing sleeve (14-2) and an auxiliary variable speed meshing sleeve (14-6).
8. The integrated multi-speed electrically driven axle assembly according to claim 7, wherein the input gear (11-2), the first reduction gear (12-1), the second reduction gear (12-2), the first counter transmission gear (13-1), the second counter transmission gear (13-2), the first main transmission gear (14-1), the second main transmission gear (14-4), the third main transmission gear (14-5), the fourth main transmission gear (14-7), the fifth main transmission gear (14-8) and the driven gear (15-1) are all helical gears.
9. The integrated multispeed electrically driven axle assembly according to claim 5, characterized in that the third main transmission gear (14-5) is positioned close to the second main transmission gear (14-4) by means of a shoulder and on the other side by means of a secondary transmission connecting ring (14-11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211570286.8A CN115723478A (en) | 2022-12-08 | 2022-12-08 | Integrated multi-gear variable-speed electric drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211570286.8A CN115723478A (en) | 2022-12-08 | 2022-12-08 | Integrated multi-gear variable-speed electric drive axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115723478A true CN115723478A (en) | 2023-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211570286.8A Pending CN115723478A (en) | 2022-12-08 | 2022-12-08 | Integrated multi-gear variable-speed electric drive axle assembly |
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| Country | Link |
|---|---|
| CN (1) | CN115723478A (en) |
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2022
- 2022-12-08 CN CN202211570286.8A patent/CN115723478A/en active Pending
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