CN219806705U - Parallel arrangement double-high-speed motor two-intermediate-shaft four-gear pure electric assembly - Google Patents
Parallel arrangement double-high-speed motor two-intermediate-shaft four-gear pure electric assembly Download PDFInfo
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- CN219806705U CN219806705U CN202223503858.9U CN202223503858U CN219806705U CN 219806705 U CN219806705 U CN 219806705U CN 202223503858 U CN202223503858 U CN 202223503858U CN 219806705 U CN219806705 U CN 219806705U
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Abstract
The utility model provides a two-intermediate-shaft four-gear pure electric assembly of a parallel double-high-speed motor, which comprises a first motor, a second motor, a power output shaft and an output shaft, wherein the first motor is connected with the first motor; the rear end of the first motor is sequentially connected with a first motor input shaft, a first reduction driving gear, a first reduction driven gear, a first intermediate shaft, a first reduction output gear, a first reduction input gear and a power input shaft in a power mode; the power input shaft is also provided with a first gear driving gear, a second gear driving gear, a third gear driven gear and a second gear shifting gear sleeve; the rear end of the second motor is in power connection with a second motor input shaft, and a second reduction driving gear and a three-gear driven gear are fixedly arranged on the second motor input shaft; the first shaft of the power output is provided with a first gear driven gear, a first gear shifting gear sleeve, a second gear driven gear and a second gear output gear. The gear shifting power is not interrupted, the reliability of a power system is improved, and when the main driving motor fails, the other auxiliary driving motor can work in a limp mode.
Description
Technical Field
The utility model belongs to the technical field of pure electric transmission assemblies, and particularly relates to a two-intermediate-shaft four-gear pure electric assembly of a parallel double-high-speed motor.
Background
The pure electric transmission assembly comprises a motor and a transmission system (transmission), wherein the motor has a single motor scheme and a double motor scheme, the transmission system has a common gear transmission or a speed reducer, and also has a transmission with a planetary row, and the planetary row has a single row scheme, a double row scheme, a triple row scheme and the like.
The existing scheme is commonly a single low-speed motor+4/6 gear AMT system, a single high-speed motor+main reduction+4/6 gear AMT system, a double motor+4/6 gear AMT system and the like. The single motor+AMT system is a pure electric heavy truck integrated power system assembly which is disclosed in Chinese patent CN115217917A, a main box adopts a 4-gear AMT speed changer, a front auxiliary box speed reducer structure is added, first-stage speed reduction and torque increase can be performed before power is input into the main box, but the structure has some problems, power interruption exists during gear shifting, driving comfort is affected, and meanwhile, the single motor system is required to be matched with a high-power motor, and the motor is heavy in weight, large in size and high in cost.
The two motors of the double high-speed motor system can realize gear shifting power compensation, and the driving comfort is good, and the AMT automatic speed change differential gear box connected by the double motors as disclosed in Chinese patent CN108612830A comprises a gear box, a gear box cover, a gear reduction mechanism, a speed changer and a speed changer shaft; the gearbox is characterized in that a first bearing fixing hole, a second bearing fixing hole, a third bearing fixing hole, a fourth bearing fixing hole, a sun gear fixing plate positioning screw hole, a main motor interface and a main motor connecting chamber are formed in the gearbox; the gearbox cover is provided with a fifth bearing fixing hole, a sixth bearing fixing hole, a seventh bearing fixing hole, an eighth bearing fixing hole, a slave motor interface and a slave motor connecting chamber; the gear reduction mechanism comprises a driving gear, a first bridge driven gear, a first bridge gear shaft, a second bridge gear, a second bridge driven gear shaft, a driven gear and a differential bag; however, the above double-motor structure needs to increase a main gear reduction pair, so that the transmission efficiency is reduced, and the complexity of the shaft tooth structure is increased.
Disclosure of Invention
The utility model provides a parallel arrangement double-high-speed motor two-intermediate-shaft four-gear pure electric assembly, wherein one power route is disconnected when the gear is switched, and the other power route keeps power output, so that gear shifting power is not interrupted, and driving comfort is improved; the reliability of the power system is improved, and when the main driving motor fails, the other auxiliary driving motor can work in a limp mode.
The technical scheme of the utility model is as follows:
the two-intermediate-shaft four-gear pure electric assembly of the parallel double high-speed motor is characterized by comprising a first motor, a second motor, a power output shaft and an output shaft;
the rear end of the first motor is sequentially and dynamically connected with a first motor input shaft, a first reduction driving gear, a first reduction driven gear, a first intermediate shaft, a first reduction output gear, a first reduction input gear and a power input shaft; the power input shaft is also provided with a first gear driving gear, a second gear driving gear, a third gear driven gear and a second gear shifting gear sleeve;
the rear end of the second motor is in power connection with a second motor input shaft, and a second reduction driving gear and a second output gear are fixedly arranged on the second motor input shaft;
a first-gear driven gear, a first gear shifting tooth sleeve, a second-gear driven gear and a second-gear output gear are arranged on the first power output shaft;
the output shaft is provided with a four-gear and a power output gear, the second output gear and the second-gear output gear are meshed with the power output gear, the second reduction driving gear is meshed with the three-gear driven gear, and the second gear shifting gear sleeve is arranged between the three-gear driven gear and the four-gear driven gear.
The utility model can realize power split, namely, the double motors respectively realize power output through two independent transmission routes, can be independently driven by a single motor and can be jointly driven by the double motors;
the utility model can realize that the gear shifting power is not interrupted: when the gear is switched, one power route is disconnected, the other power route keeps power output, the gear shifting power is not interrupted, and the driving comfort is improved;
gear implementation mode: the intermediate shaft realizes two transmission routes respectively, and each transmission route realizes 2 gears.
The reverse gear implementation mode comprises the following steps: reverse gear is realized by reversing the motor.
The utility model also has the functions of assisting and limping, when the first motor fails, the second motor outputs power to the output shaft through single-stage speed reduction to realize the limp home function, the second motor is connected with the second input shaft, the second output gear is connected with the power output gear, and the power output gear is transmitted to the output shaft for output.
Specifically, the motor further comprises a shell, and the power output shaft, the power input shaft and the second motor input shaft are all arranged inside the shell.
Preferably, the first motor input shaft and the second motor input shaft are arranged in parallel. Simple structure, easy installation and design, low cost.
Preferably, the first motor input shaft, the power input shaft and the output shaft are all coaxially arranged. Simple structure, compact structure and smaller transverse volume.
The beneficial effects of the utility model are as follows:
power splitting: the double motors respectively realize power output through two independent transmission routes, can be driven by a single motor, can be driven by the double motors together, and can also be driven by auxiliary driving limp gear;
the gear shifting power is not interrupted: when the gear is switched, one power route is disconnected, the other power route keeps power output, the gear shifting power is not interrupted, and the driving comfort is improved;
the reliability of the power system is improved, when the main drive motor fails, the other auxiliary drive motor can work in a limp mode, namely the second motor outputs power to the output shaft through single-stage speed reduction to realize the limp home function
Drawings
Fig. 1 is a schematic structural view of a parallel-arranged double-high-speed motor two-intermediate-shaft four-gear pure electric assembly.
In the figure: 100-first motor, 200-second motor, 110-first motor input shaft, 111-first reduction driving gear, 121-first reduction driven gear, 120-first intermediate shaft, 122-first reduction output gear, 131-first reduction input gear, 130-power input shaft, 132-first gear driving gear, 141-first gear driven gear, 134-second gear driving gear, 142-second gear driven gear, 140-power output first shaft, 143-second gear output gear, 210-second motor input shaft, 211-second reduction driving gear, 221-third gear driven gear, 212-second output gear, 300-output shaft, 301-power output gear, 302-fourth gear, 150-first gear shifting sleeve, 160-second gear shifting sleeve, 400-housing.
Detailed Description
The utility model will be further described with reference to the drawings and detailed description which follow, wherein examples of the utility model and their description are for the purpose of illustration and are not intended to be unduly limiting.
In the description of the present utility model, it should be understood that the terms "left", "right", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or structure to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1:
the two-intermediate-shaft four-gear pure electric assembly of the parallel double high-speed motor is characterized by comprising a first motor (100), a second motor (200), a power output shaft (140) and an output shaft (300);
the rear end of the first motor (100) is sequentially connected with a first motor input shaft (110), a first reduction driving gear (111), a first reduction driven gear (121), a first intermediate shaft (120), a first reduction output gear (122), a first reduction input gear (131) and a power input shaft (130) in a power mode; the power input shaft (130) is also provided with a first gear driving gear (132), a second gear driving gear (134), a third gear driven gear (221) and a second gear shifting gear sleeve (160);
the rear end of the second motor (200) is in power connection with a second motor input shaft (210), and a second reduction driving gear (211) and a second output gear (212) are fixedly arranged on the second motor input shaft (210);
a first-gear driven gear (141), a first gear shifting gear sleeve (150), a second-gear driven gear (142) and a second-gear output gear (143) are arranged on the power output first shaft (140);
the output shaft (300) is provided with a four-gear (302) and a power output gear (301), the second output gear (212) and the second-gear output gear (143) are meshed with the power output gear (301), the second reduction driving gear (211) is meshed with the three-gear driven gear (221), and the second gear shifting gear sleeve (160) is arranged between the three-gear driven gear (221) and the four-gear (302).
The embodiment can realize power split, namely the double motors respectively realize power output through two independent transmission routes, can be independently driven by a single motor and can be jointly driven by the double motors;
the embodiment can realize that the gear shifting power is not interrupted: when the gear is switched, one power route is disconnected, the other power route keeps power output, the gear shifting power is not interrupted, and the driving comfort is improved;
gear implementation mode: the intermediate shaft realizes two transmission routes respectively, and each transmission route realizes 2 gears.
The reverse gear implementation manner of this embodiment is as follows: the first motor (100) reverses to effect reverse gear.
The embodiment further has the functions of assisting and limping, when the first motor (100) fails, the second motor (200) outputs power to the output shaft (300) through single-stage speed reduction, the second motor (200) is connected with the second input shaft 210, the second output gear (212) is connected with the second motor (200), and the power output gear (301) is transmitted to the output shaft (300) for output.
Example 2:
the two-intermediate-shaft four-gear pure electric assembly of the parallel double high-speed motor is characterized by comprising a first motor (100), a second motor (200), a power output shaft (140) and an output shaft (300);
the rear end of the first motor (100) is sequentially connected with a first motor input shaft (110), a first reduction driving gear (111), a first reduction driven gear (121), a first intermediate shaft (120), a first reduction output gear (122), a first reduction input gear (131) and a power input shaft (130) in a power mode; the power input shaft (130) is also provided with a first gear driving gear (132), a second gear driving gear (134), a third gear driven gear (221) and a second gear shifting gear sleeve (160);
the rear end of the second motor (200) is in power connection with a second motor input shaft (210), and a second reduction driving gear (211) and a second output gear (212) are fixedly arranged on the second motor input shaft (210);
a first-gear driven gear (141), a first gear shifting gear sleeve (150), a second-gear driven gear (142) and a second-gear output gear (143) are arranged on the power output first shaft (140);
the output shaft (300) is provided with a four-gear (302) and a power output gear (301), the second output gear (212) and the second-gear output gear (143) are meshed with the power output gear (301), the second reduction driving gear (211) is meshed with the three-gear driven gear (221), and the second gear shifting gear sleeve (160) is arranged between the three-gear driven gear (221) and the four-gear (302).
In this embodiment, the motor further comprises a housing (400), and the power output shaft (140), the power input shaft (130) and the second motor input shaft (210) are all arranged inside the housing (400).
In this embodiment, the first motor input shaft (110) and the second motor input shaft (210) are disposed in parallel.
In this embodiment, the first motor input shaft (110), the power input shaft (130), and the output shaft (300) are all coaxially disposed.
In the embodiment, a first reduction driving gear (111) is arranged at the rear end of the first input shaft 110;
a second reduction driving gear (211) is arranged at the rear end of the second input shaft 210;
a first speed reduction driven gear (121) and a first speed reduction output gear (122) are sequentially arranged on the first intermediate shaft (120), and the first speed reduction output gear (122) is meshed with a first speed reduction input gear (131);
a first-gear driven gear (141), a second-gear driven gear (142) and a second-gear output gear (143) are sequentially arranged on the first power output shaft (140), and the second-gear output gear (143) is meshed with the fourth-gear driving gear 301;
a first speed reduction input gear (131), a first-gear driving gear (132), a second-gear driving gear (134) and a third-gear driven gear (221) are sequentially arranged on the power input shaft (130);
a second reduction driving gear (211), a second output gear (212) and a power output gear (301) are sequentially arranged on the second motor input shaft (210), and the second output gear (212) is meshed with the power output gear (301);
the output shaft (300) is fixedly connected with a second gear shifting tooth seat, and the second gear shifting tooth sleeve (160) is in sliding fit with the second gear shifting tooth seat; the first gear shifting tooth seat is fixedly connected to the first shaft (140) of the power output, the first gear shifting tooth sleeve (150) is in sliding fit with the first gear shifting tooth seat, and a four-gear (302), a three-gear driven gear (221), a two-gear driven gear (142) and a first-gear driven gear (141) are sleeved in the first shaft; the four-gear (302) is meshed with the power output gear (301), the three-gear driven gear (221) is meshed with the second reduction driving gear (211), the two-gear driven gear (142) is meshed with the two-gear driving gear (134), and the first-gear driven gear (141) is meshed with the first-gear driving gear (132);
the operation mode and the power transmission path of the present embodiment are as follows:
single motor drive mode:
the first motor (100) or the second motor (200) is independently driven, gear selection is carried out according to actual working conditions, and the first motor (100) can realize power output through a first gear, a second gear, a third gear and a fourth gear; the second motor (200) can directly realize power output;
each gear power route of this embodiment:
a first gear: the first gear shifting sleeve (150) is in gear left, power of the first motor (100) is transmitted to the output shaft (300) for output through the first motor input shaft (110), the first reduction driving gear (111), the first reduction driven gear (121), the first intermediate shaft (120), the first reduction output gear (122), the first reduction input gear (131), the power input shaft (130), the first gear driving gear (132), the first gear driven gear (141), the first shaft (140) for power output, the second gear output gear (143) and the power output gear (301).
Second gear: the power of the first motor (100) is transmitted to the output shaft (300) for output through the first motor input shaft (110), the first reduction driving gear (111), the first reduction driven gear (121), the first intermediate shaft (120), the first reduction output gear (122), the first reduction input gear (131), the power input shaft (130), the second-gear driving gear (134), the second-gear driven gear (142), the power output first shaft (140), the second-gear output gear (143) and the power output gear (301).
Three gears: the second gear shifting sleeve (160) is in gear shifting leftwards, and the power of the first motor (100) is transmitted through the first motor input shaft (110), the first reduction driving gear (111), the first reduction driven gear (121), the first intermediate shaft (120), the first reduction output gear (122), the first reduction input gear (131), the power input shaft (130), the three-gear driven gear (221) and the second reduction driving gear (211); the power of the second motor (200) is transmitted to the output shaft (300) for output through the second motor input shaft (210), the second output gear (212) and the power output gear (301).
Fourth gear: the second gear shifting sleeve (160) is shifted to the right, and the power of the first motor (100) is transmitted to the output shaft (300) through the first motor input shaft (110), the first reduction driving gear (111), the first reduction driven gear (121), the first intermediate shaft (120), the first reduction output gear (122), the first reduction input gear (131), the power input shaft (130) and the four-gear (302); the power of the second motor (200) is transmitted to the output shaft (300) for output through the second motor input shaft (210), the three-gear driven gear (221) and the power output gear (301).
Assistance or limp mode: the second motor (200) is connected with a second motor input shaft (210), a second output gear (212), and a power output gear (301) is transmitted to an output shaft (300) for output.
Reverse gear: the first motor (100) is reversed to achieve reverse gear as in the first gear power route.
The high-efficiency area of the motor can be better utilized by adopting a plurality of gear settings, the system efficiency is improved, the system application working condition is wider, and the system power consumption is effectively reduced.
The power compensation mode is as follows: when any one power route gear of the first motor (100) and the second motor (200) is switched, the other power route always keeps power output, and gear shifting power is not interrupted.
Claims (4)
1. The two-intermediate-shaft four-gear pure electric assembly of the parallel double high-speed motor is characterized by comprising a first motor (100), a second motor (200), a power output shaft (140) and an output shaft (300);
the rear end of the first motor (100) is sequentially connected with a first motor input shaft (110), a first reduction driving gear (111), a first reduction driven gear (121), a first intermediate shaft (120), a first reduction output gear (122), a first reduction input gear (131) and a power input shaft (130) in a power mode; the power input shaft (130) is also provided with a first gear driving gear (132), a second gear driving gear (134), a third gear driven gear (221) and a second gear shifting gear sleeve (160);
the rear end of the second motor (200) is in power connection with a second motor input shaft (210), and a second reduction driving gear (211) and a second output gear (212) are fixedly arranged on the second motor input shaft (210);
a first-gear driven gear (141), a first gear shifting gear sleeve (150), a second-gear driven gear (142) and a second-gear output gear (143) are arranged on the power output first shaft (140);
the output shaft (300) is provided with a four-gear (302) and a power output gear (301), the second output gear (212) and the second-gear output gear (143) are meshed with the power output gear (301), the second reduction driving gear (211) is meshed with the three-gear driven gear (221), and the second gear shifting gear sleeve (160) is arranged between the three-gear driven gear (221) and the four-gear (302).
2. The parallel arrangement double high-speed motor two-intermediate-shaft four-gear pure electric assembly according to claim 1, wherein: the motor further comprises a shell (400), and the power output shaft (140), the power input shaft (130) and the second motor input shaft (210) are all arranged inside the shell (400).
3. The parallel arrangement double high-speed motor two-intermediate-shaft four-gear pure electric assembly according to claim 1, wherein: the first motor input shaft (110) and the second motor input shaft (210) are arranged in parallel.
4. The parallel arrangement double high-speed motor two-intermediate-shaft four-gear pure electric assembly according to claim 1, wherein: the first motor input shaft (110), the power input shaft (130) and the output shaft (300) are all coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223503858.9U CN219806705U (en) | 2022-12-27 | 2022-12-27 | Parallel arrangement double-high-speed motor two-intermediate-shaft four-gear pure electric assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223503858.9U CN219806705U (en) | 2022-12-27 | 2022-12-27 | Parallel arrangement double-high-speed motor two-intermediate-shaft four-gear pure electric assembly |
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| Publication Number | Publication Date |
|---|---|
| CN219806705U true CN219806705U (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223503858.9U Active CN219806705U (en) | 2022-12-27 | 2022-12-27 | Parallel arrangement double-high-speed motor two-intermediate-shaft four-gear pure electric assembly |
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|---|---|
| CN (1) | CN219806705U (en) |
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- 2022-12-27 CN CN202223503858.9U patent/CN219806705U/en active Active
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