CN216636151U - Dual-motor input variable speed transmission device with auxiliary power and electrically driven vehicle - Google Patents
Dual-motor input variable speed transmission device with auxiliary power and electrically driven vehicle Download PDFInfo
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- CN216636151U CN216636151U CN202123329298.5U CN202123329298U CN216636151U CN 216636151 U CN216636151 U CN 216636151U CN 202123329298 U CN202123329298 U CN 202123329298U CN 216636151 U CN216636151 U CN 216636151U
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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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- Y02T10/72—Electric energy management in electromobility
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Abstract
The utility model discloses a double-motor input variable-speed transmission device with auxiliary power.A gear-shifting input member is connected to a gear-shifting output member through a gear-shifting intermediate member; the first motor and the second motor are both connected to the gear shifting input member; the first confluence input piece and the second confluence input piece are connected to the confluence output piece through the confluence intermediate piece; the gear shifting output member is connected with the first confluence input member, the third motor is connected with the second confluence input member, and the confluence output member is connected with the differential mechanism. This scheme sets up bi-motor structure at the input shaft, can improve work efficiency, and the extension is continued to be driven the mileage, still sets up third motor power at the output side and converges, provides auxiliary power, can provide the moment of torsion during shifting, reduces and blocks in the middle of, also can provide the moment of torsion output when the moment of torsion is not enough, and entire system obtains bigger moment of torsion. The system has the technical characteristics of simple structure, high transmission efficiency, gear shifting function and the like, and is suitable for transmission of the electric vehicle. The utility model also discloses an electrically driven vehicle.
Description
Technical Field
The utility model relates to the technical field of vehicle engineering, in particular to a double-motor input variable speed transmission device with auxiliary power and an electrically driven vehicle.
Background
In a vehicle structure, a transmission system is an important component distribution, and a power source drives a wheel pair to rotate through transmission of a gearbox.
At present, with the rapid development of electric vehicles, higher and higher requirements are placed on the applicability of variable speed transmission of the electric vehicles.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a dual-motor input variable speed transmission device with auxiliary power, which has the technical characteristics of simple structure, high transmission efficiency, gear shifting function and the like, and is suitable for the transmission of an electric vehicle.
The utility model also provides an electrically driven vehicle applying the variable speed transmission device.
In order to achieve the purpose, the utility model provides the following technical scheme:
a dual motor input variable speed drive with auxiliary power comprising: the gear shifting mechanism comprises a first motor, a second motor, a third motor, a gear shifting assembly, a confluence assembly and a differential mechanism;
the shift assembly includes: a shift input member, a shift intermediate member and a shift output member; the shift input member is connected to the shift output member through the shift intermediate member; the first motor and the second motor are both connected to the gear shifting input member;
the bus bar assembly includes: the first confluence input piece, the second confluence input piece, the confluence intermediate piece and the confluence output piece; the first and second bus input pieces are connected to the bus output piece through the bus intermediate piece; the gear shifting output member is connected to the first confluence input member, the third motor is connected to the second confluence input member, and the confluence output member is connected with the differential.
Preferably, the shift input member includes: the first input shaft, the second input shaft, the first gear, the second gear and the first sliding gear sleeve;
an output shaft of the first motor is connected to the first input shaft, the first gear and the second gear are both sleeved on the first input shaft in a hollow manner, and the first sliding gear sleeve axially and slidably arranged on the first input shaft can be coupled with the first gear or the second gear;
the second input shaft is axially fixed to a housing of the variable speed transmission device through a bearing, one end of the second input shaft is connected with the first input shaft through a bearing, the other end of the second input shaft is connected to an output shaft of the second motor, and the second gear is fixedly connected to the second input shaft).
Preferably, the first gear is mounted to the first input shaft by a needle bearing.
Preferably, the shift intermediate member includes: a second shaft, a third gear and a fourth gear;
the third gear and the fourth gear are respectively fixedly connected with the second shaft, the third gear is meshed with the first gear, and the fourth gear is meshed with the second gear.
Preferably, the shift output member includes: the third shaft, the fifth gear, the sixth gear and the second sliding gear sleeve;
the fifth gear and the sixth gear are respectively fixedly connected to the third shaft, and the second sliding gear sleeve axially slidably arranged on the third shaft can be coupled with the fifth gear or the sixth gear; the fifth gear is engaged with the third gear, the sixth gear is engaged with the fourth gear, and the third shaft is in transmission fit with the first confluence input member.
Preferably, the fifth gear and the sixth gear are mounted on the third shaft through needle bearings, respectively.
Preferably, the first bus bar input comprises: a seventh gear; the gear shifting output member is in transmission fit with the seventh gear;
the confluence intermediate member includes: a fourth shaft, an eighth gear and a ninth gear; the eighth gear and the ninth gear are fixedly connected to the fourth shaft respectively, the seventh gear is meshed with the eighth gear, and the ninth gear is in transmission fit with the confluence output piece;
the second bus bar input includes: fifth and eleventh gears; the eleventh gear is fixedly connected with the fifth shaft, and an output shaft of the third motor is connected with the fifth shaft; the eleventh gear is in mesh with the eighth gear.
Preferably, the bus bar output member includes: a tenth gear meshed with the ninth gear;
the tenth gear is fixed to the differential.
Preferably, the volume of the third motor is smaller than the volume of the first motor.
An electrically driven vehicle comprising: the variable speed transmission device is the variable speed transmission device with the auxiliary power and the double-motor input.
It can be seen from the above technical solutions that, in the dual-motor input variable speed transmission with auxiliary power provided by the present invention, the transmission path of the power is: the power of the first motor and the power of the second motor are input by the gear shifting input piece and are transmitted to the first confluence input piece through the gear shifting intermediate piece and the gear shifting output piece, the power of the third motor is converged by the second confluence input piece and the power of the first motor and the power of the second motor in the confluence intermediate piece, and finally the power is transmitted to the differential mechanism through the confluence output piece and is output to the wheel pair. This scheme sets up the bi-motor structure of first motor and second motor at the input shaft, can improve work efficiency, and the mileage is continued to go to the extension, realizes bigger moment of torsion, still sets up third motor power at the output side of the subassembly of shifting and converges, can provide auxiliary power, can provide the moment of torsion during shifting, reduces to pause and frustrate, realizes shifting unpowered interruption.
The utility model also provides an electrically driven vehicle, which has corresponding beneficial effects due to the adoption of the speed change transmission device with the auxiliary power input by the double motors, and specific reference can be made to the foregoing description, so that the details are not repeated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a dual-motor input variable speed transmission with auxiliary power according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the utility model provides a double-motor input variable speed transmission device with auxiliary power, which comprises: the first motor M1, the second motor M2, the third motor M3, the gear shifting assembly, the confluence assembly and the differential K; the structure of which can be seen in figure 1;
wherein, the gearshift subassembly includes: a shift input member, a shift intermediate member and a shift output member; the gear shifting input member is connected with the gear shifting output member through the gear shifting intermediate member; the first motor M1 and the second motor M2 are both connected to the gear shifting input member;
the assembly that converges includes: the first confluence input piece, the second confluence input piece, the confluence intermediate piece and the confluence output piece; the first confluence input piece and the second confluence input piece are connected to the confluence output piece through the confluence intermediate piece; the shift output member is connected to the first input member, the third electric machine M3 is connected to the second input member, and the output member is connected to the differential K.
It can be seen from the above technical solutions that, in the variable speed transmission with auxiliary power and dual motor input provided by the embodiment of the present invention, the transmission path of the power is as follows: the power of the first motor M1 and the second motor M2 is input by the gear shifting input member, and is transmitted to the first confluence input member through the gear shifting intermediate member and the gear shifting output member, and the power of the third motor M3 is converged by the second confluence input member and the power of the first motor M1 and the second motor M2 in the confluence intermediate member, and is finally transmitted to the differential mechanism through the confluence output member to be output to the wheel pair. This scheme sets up the bi-motor structure of first motor M1 and second motor M2 at the input shaft, can improve work efficiency, and the extension is continued to travel the mileage, realizes bigger moment of torsion, still sets up third motor M3 power at the output side of the subassembly of shifting and converges, can provide auxiliary power, can provide the moment of torsion during shifting, reduces and blocks, realizes shifting unpowered interruption.
Specifically, the shift input member includes: a first input shaft S1, a second input shaft S1', a first gear Z1, a second gear Z2 and a first sliding sleeve C1; the structure of which can be seen in figure 1;
an output shaft of the first motor M1 is connected to the first input shaft S1, the first gear Z1 and the second gear Z2 are both sleeved on the first input shaft S1, and the first sliding gear sleeve C1 axially slidably arranged on the first input shaft S1 can be coupled with the first gear Z1 or the second gear Z2;
the second input shaft S1 ' is axially fixed to a housing of the speed change transmission device by a bearing, one end of the second input shaft S1 ' is connected to the first input shaft S1 by a bearing, the other end is connected to an output shaft of the second motor M2, and the second gear Z2 is fixed to the second input shaft S1 '. The second gear Z2 reserves a motor interface to form a double-motor input. That is, the first and second electric motors M1 and M2 transmit power to the shift output member through the shift intermediate member via the first and second gears Z1 and Z2.
In the scheme, the first gear Z1 is mounted on the first input shaft S1 through a needle bearing, so that the requirements on the working stability, reliability and service life of the gear in working can be met, and large radial run-out can be prevented.
Further, the shift intermediate member includes: the second shaft S2, third gear Z3, and fourth gear Z4; the structure of which can be seen in figure 1;
the third gear Z3 and the fourth gear Z4 are respectively fixedly connected to the second shaft S2, the third gear Z3 is meshed with the first gear Z1, and the fourth gear Z4 is meshed with the second gear Z2.
The shift output member includes: a third shaft S3, a fifth gear Z5, a sixth gear Z6 and a second sliding sleeve C2; the structure of which can be seen in figure 1;
wherein, the fifth gear Z5 and the sixth gear Z6 are respectively fixed on the third shaft S3, and the second sliding gear sleeve C2 axially slidably arranged on the third shaft S3 can be coupled with the fifth gear Z5 or the sixth gear Z6; the fifth gear Z5 meshes with the third gear Z3, the sixth gear Z6 meshes with the fourth gear Z4, and the third shaft S3 is in driving engagement with the first sink input member. By the arrangement, four-gear variable-speed transmission can be realized by adjusting the first sliding gear sleeve C1 and the second sliding gear sleeve C2, and the structure is simple.
Preferably, the fifth gear Z5 and the sixth gear Z6 are respectively mounted on the third shaft S3 through needle bearings, which can meet the requirements of the operational stability, reliability and service life of the gears in operation and prevent large radial run-out.
In this embodiment, the first bus bar input includes: a seventh gear Z7; the aforementioned shift output member is in driving engagement with the seventh gear Z7; specifically, the seventh gear Z7 is fixedly connected to the third shaft S3;
the intermediate member of converging includes: a fourth shaft S4, an eighth gear 8 and a ninth gear 9; the eighth gear 8 and the ninth gear 9 are fixedly connected to a fourth shaft S4 respectively, a seventh gear Z7 is meshed with the eighth gear 8, and the ninth gear 9 is in transmission fit with the confluence output piece;
the second bus bar input includes: fifth shaft S5 and eleventh gear Z11; the eleventh gear Z11 is fixedly connected with a fifth shaft S5, and the output shaft of the third motor M3 is connected with the fifth shaft S5; the eleventh gear Z11 meshes with the eighth gear 8. That is, the power of the first motor M1 and the second motor M2 is transmitted to the eighth gear Z8 by the seventh gear Z7, the power of the third motor M3 is also transmitted to the eighth gear Z8 by the eleventh gear Z11, and finally the confluence is output via the ninth gear Z9.
Further, the bus bar output member includes: a tenth gear Z10 meshing with the ninth gear 9;
the tenth gear Z10 is fixed to the differential K.
The third motor M3 is arranged at the position of the fifth shaft S5 as an auxiliary motor, power is input through an eleventh gear Z11 fixedly connected with the fifth shaft S5, the speed ratio can be flexibly matched, the volume of the third motor M3 can be smaller, and the trend of light weight is met; the input shaft is of a monolithic structure. Therefore, the volume of the third motor M3 as the auxiliary motor is smaller than that of the first motor M1 as the main drive motor.
The present solution is further described below with reference to specific embodiments:
the embodiment of the utility model provides a double-motor input variable-speed transmission device with auxiliary power, which comprises:
two input shafts S1, S1';
a second shaft S2;
a third axis S3;
a fourth axis S4;
a fifth shaft S5
A differential assembly K;
eleven gears Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, Z9, Z10, Z11, wherein Z1, Z5, Z6 are mounted on the corresponding shafts by needle bearings; the other gears are fixedly connected to the corresponding shafts; the second input shaft S1 'is axially fixed to the housing by a bearing, and has one end connected to the first input shaft S1 by a bearing, and the second gear Z2 is fixed to the second input shaft S1'.
Two sliding gear sleeves C1 and C2, wherein C1 is responsible for coupling or decoupling the two input shafts S1 and S1' with Z1 and Z2, and C2 is responsible for coupling or decoupling the third shaft S3 with Z5 and Z6;
a first gear transmission route: c1 fastens the input shaft S1 and gear Z1, C2 fastens the third shaft S3 and gear Z6; the power of the motor M1 is transmitted to the differential K through Z1-Z3-Z4-Z6-Z7-Z8-Z9-Z10 to be output; i1 ═ Z3/Z1 ═ Z6/Z4 ═ Z8/Z7 ═ Z10/Z9;
a second gear transmission route: c1 fastens the input shaft S1 and gear Z1, C2 fastens the third shaft S3 and gear Z5; the power of the motor M1 is transmitted to the differential K through Z1-Z3-Z4-Z6-Z7-Z8-Z9-Z10 to be output; i2 ═ Z5/Z1 ═ Z8/Z7 ═ Z10/Z9;
a third gear transmission route: c1 consolidates the input shaft S1 and gear Z2, C2 consolidates the third shaft S3 and gear Z6; the power of the motor M1 is transmitted to the differential K through Z2-Z4-Z6-Z7-Z8-Z9-Z10 to be output; i3 ═ Z6/Z2 ═ Z8/Z7 ═ Z10/Z9;
a fourth gear transmission route: c1 fastens the input shaft S1 and gear Z2, C2 fastens the third shaft S3 and gear Z5; the power of the motor M1 is transmitted to the differential K through Z2-Z4-Z3-Z5-Z7-Z8-Z9-Z10 to be output; i4 ═ Z4/Z2 ═ Z5/Z3 ═ Z8/Z7 ═ Z10/Z9;
during the gear shifting process, the third motor M3 can provide power lost during gear shifting, and a part of power is still supplied to the differential K from the motor M3 through the gears Z11, Z8, Z9 and Z10, so that the power is not interrupted during the gear shifting process
An embodiment of the present invention also provides an electrically driven vehicle, including: the variable speed transmission device is the variable speed transmission device with the auxiliary power and the double-motor input. In the electrically driven vehicle in this embodiment, because the above-mentioned dual-motor input variable speed transmission with auxiliary power is adopted, it also has corresponding beneficial effects, and specific reference may be made to the foregoing description, and details are not described herein again.
In summary, the embodiment of the utility model discloses a double-motor input variable speed transmission device with auxiliary power, which is a three-motor structure. According to the scheme, the double-motor structure of the first motor and the second motor is arranged on the input shaft, so that the working efficiency can be improved, the driving range can be prolonged, and the third motor is fixedly connected to the fifth shaft and can provide auxiliary power; the system has the technical characteristics of simple structure, high transmission efficiency, gear shifting function and the like, and is suitable for transmission of the electric vehicle. The embodiment of the utility model also discloses an electrically driven vehicle applying the variable speed transmission device.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A dual motor input variable speed drive with auxiliary power comprising: the control system comprises a first motor (M1), a second motor (M2), a third motor (M3), a gear shifting assembly, a confluence assembly and a differential (K);
the shift assembly includes: a shift input member, a shift intermediate member and a shift output member; the shift input member is connected to the shift output member through the shift intermediate member; the first electric machine (M1) and the second electric machine (M2) are both connected to the shift input member;
the bus bar assembly includes: the first confluence input piece, the second confluence input piece, the confluence intermediate piece and the confluence output piece; the first and second bus input pieces are connected to the bus output piece through the bus intermediate piece; the shift output is connected to the first collector input, the third electric machine (M3) is connected to the second collector input, and the collector output is connected to the differential (K).
2. The dual motor input assisted variable speed transmission of claim 1, wherein the shift input member comprises: a first input shaft (S1), a second input shaft (S1'), a first gear (Z1), a second gear (Z2) and a first sliding gear sleeve (C1);
an output shaft of the first motor (M1) is connected to the first input shaft (S1), the first gear (Z1) and the second gear (Z2) are both freely sleeved on the first input shaft (S1), and the first sliding gear sleeve (C1) axially slidably arranged on the first input shaft (S1) can be coupled with the first gear (Z1) or the second gear (Z2);
the second input shaft (S1 ') is axially fixed to a housing of a speed change transmission device by a bearing, one end of the second input shaft (S1 ') is connected to the first input shaft (S1) by a bearing, the other end is connected to an output shaft of the second electric motor (M2), and the second gear (Z2) is fixed to the second input shaft (S1 ').
3. The dual-motor input belt auxiliary power variable speed transmission according to claim 2, wherein the first gear (Z1) is mounted on the first input shaft (S1) through a needle bearing.
4. The dual motor input assisted variable speed transmission of claim 2, wherein the shift intermediate member comprises: a second shaft (S2), a third gear (Z3), and a fourth gear (Z4);
the third gear (Z3) and the fourth gear (Z4) are respectively fixed to the second shaft (S2), the third gear (Z3) is engaged with the first gear (Z1), and the fourth gear (Z4) is engaged with the second gear (Z2).
5. The dual motor input variable speed drive of claim 4, wherein the shift output member comprises: a third shaft (S3), a fifth gear (Z5), a sixth gear (Z6), and a second sliding sleeve gear (C2);
the fifth gear (Z5) and the sixth gear (Z6) are respectively fixed on the third shaft (S3), and the second sliding gear sleeve (C2) axially and slidably arranged on the third shaft (S3) can be coupled with the fifth gear (Z5) or the sixth gear (Z6); the fifth gear (Z5) is in mesh with the third gear (Z3), the sixth gear (Z6) is in mesh with the fourth gear (Z4), and the third shaft (S3) is in driving engagement with the first sink input.
6. The dual-motor input belt auxiliary power variable speed transmission device according to claim 5, wherein the fifth gear (Z5) and the sixth gear (Z6) are respectively mounted on the third shaft (S3) through needle bearings.
7. The dual-motor input variable speed drive of any one of claims 1-6, wherein the first confluence input member comprises: a seventh gear (Z7); the shift output member is in driving engagement with the seventh gear (Z7);
the confluence intermediate member includes: a fourth shaft (S4), an eighth gear (8), and a ninth gear (9); the eighth gear (8) and the ninth gear (9) are respectively fixed on the fourth shaft (S4), the seventh gear (Z7) is meshed with the eighth gear (8), and the ninth gear (9) is in transmission fit with the confluence output member;
the second bus bar input includes: a fifth shaft (S5) and an eleventh gear (Z11); the eleventh gear (Z11) is fixed on the fifth shaft (S5), and the output shaft of the third motor (M3) is connected to the fifth shaft (S5); the eleventh gear (Z11) meshes with the eighth gear (8).
8. The dual motor input assisted variable speed drive of claim 7, wherein the confluence output member comprises: a tenth gear (Z10) meshing with the ninth gear (9);
the tenth gear (Z10) is fixed to the differential (K).
9. The dual-motor input belt auxiliary power variable speed transmission of claim 1, wherein the volume of the third motor (M3) is smaller than the volume of the first motor (M1).
10. An electrically driven vehicle comprising: a variable speed drive as claimed in any one of claims 1 to 9, wherein the variable speed drive is a two motor input assisted variable speed drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123329298.5U CN216636151U (en) | 2021-12-27 | 2021-12-27 | Dual-motor input variable speed transmission device with auxiliary power and electrically driven vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123329298.5U CN216636151U (en) | 2021-12-27 | 2021-12-27 | Dual-motor input variable speed transmission device with auxiliary power and electrically driven vehicle |
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| Publication Number | Publication Date |
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| CN216636151U true CN216636151U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123329298.5U Active CN216636151U (en) | 2021-12-27 | 2021-12-27 | Dual-motor input variable speed transmission device with auxiliary power and electrically driven vehicle |
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| CN (1) | CN216636151U (en) |
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- 2021-12-27 CN CN202123329298.5U patent/CN216636151U/en active Active
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