CN209818663U - New forms of energy pure electric vehicles derailleur - Google Patents
New forms of energy pure electric vehicles derailleur Download PDFInfo
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- CN209818663U CN209818663U CN201822032609.3U CN201822032609U CN209818663U CN 209818663 U CN209818663 U CN 209818663U CN 201822032609 U CN201822032609 U CN 201822032609U CN 209818663 U CN209818663 U CN 209818663U
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Abstract
The utility model provides a new forms of energy pure electric vehicles derailleur, it adopts bi-motor drive, single gearbox transmission power, and unpowered interruption transmission, system efficiency height, dynamic behavior are good when its drive wheel traveles. The transmission case comprises a transmission case body, the transmission case body comprises a first shell, a second shell, a front end cover and a rear end cover, the front end cover is mounted on the front end cover after the first shell and the second shell are combined, the rear end cover is mounted on the rear end cover after the first shell and the second shell are combined, an installation cavity is formed after the first shell, the second shell, the front end cover and the rear end cover are assembled, a first input shaft protruding outwards is arranged on the front end cover, a first driving motor is externally connected to the protruding end of the first input shaft, the central shaft part of the first input shaft is empty, the second input shaft is arranged in the central shaft cavity area of the first input shaft through a bearing, and the two ends of the second input shaft respectively protrude outwards from the two end surfaces of the first input shaft.
Description
Technical Field
The utility model relates to a technical field of transmission derailleur specifically is a new forms of energy pure electric vehicles derailleur.
Background
The existing new energy pure electric city passenger car and the highway passenger car are mainly driven by adopting a scheme of a single motor and an electric control mechanical automatic transmission, and the system has power interruption during gear shifting and insufficient power during climbing, so that the riding comfort and the dynamic property of the car are difficult to meet the market requirements.
Disclosure of Invention
To the problem, the utility model provides a new forms of energy pure electric vehicles derailleur, it adopts bi-motor drive, single gear box transmission power, and unpowered interruption transmission, system are efficient, dynamic performance are good when its drive wheel traveles.
The utility model provides a pure electric vehicles derailleur of new forms of energy which characterized in that: the transmission case comprises a transmission case body, the transmission case body comprises a first shell, a second shell, a front end cover and a rear end cover, the front end cover is arranged on the front end cover after the first shell and the second shell are combined, the rear end cover is arranged on the rear end cover after the first shell and the second shell are combined, an installation cavity is formed after the first shell, the second shell, the front end cover and the rear end cover are assembled, a convex first input shaft is arranged on the front end cover, a first driving motor is externally connected to the convex end of the first input shaft, the central shaft part of the first input shaft is hollow, a second input shaft is arranged in the central shaft cavity area of the first input shaft through a bearing, the two ends of the second input shaft respectively protrude out of the two end surfaces of the first input shaft, a third transmission gear is sleeved on the outer ring of the first input shaft, a first main gear is sleeved on the outer ring of the rear end of the second input shaft, which is positioned in the installation cavity, a concave axial center hole is formed in the center of the rear end of the second input shaft, the front end of an output shaft is coaxially arranged in the concave axial center hole through a bearing, the rear end of the output shaft penetrates through the rear end cover to be arranged, the part of the output shaft, which is positioned in the mounting cavity, is sleeved with a second main gear, a third main gear and a fourth main gear through bearings, the front end part of the output shaft, which corresponds to the second main gear, is sleeved with a first synchronizer, the first synchronizer axially moves along the first main gear and the second main gear, two end faces of the first synchronizer are respectively arranged towards respective meshing gear rings of the first main gear and the second main gear, the part of the output shaft, which is between the third main gear and the fourth main gear, is sleeved with a second synchronizer, and the second synchronizer axially moves along the space between the third main gear and the fourth main gear, the two end faces of the second synchronizer face respective meshing gear rings of the third main gear and the fourth main gear respectively, a first transmission shaft and a second transmission shaft are further arranged in the installation cavity, the first transmission shaft is provided with a normally meshing gear, a third intermediate gear and a fourth intermediate gear from front to back respectively, the normally meshing gear is meshed with the third transmission gear at a corresponding position, the third intermediate gear is meshed with the third main gear at a corresponding position, the fourth intermediate gear is meshed with the fourth main gear at a corresponding position, the second transmission shaft is provided with the first intermediate gear and the second intermediate gear from front to back respectively, the first intermediate gear is meshed with the first main gear at a corresponding position, and the second intermediate gear is meshed with the second main gear at a corresponding position.
It is further characterized in that: the first main gear, the second main gear, the third main gear and the fourth main gear are different in transmission ratio of output shafts transmitted by corresponding synchronizers, the second driving motor independently drives a first-gear speed change and a second-gear variable of the output shafts, and the first driving motor independently drives a third-gear speed change and a fourth-gear speed change of the output shafts;
the first main gear, the third transmission gear and the third intermediate gear are simplified into corresponding gear ring structures, so that the low structure cost is ensured;
an output flange is fixedly arranged on the part of the output shaft, which protrudes out of the rear end cover, and the output flange is fastened and connected in the axial direction through a locking nut;
the rear end of the output shaft penetrates through a positioning hole corresponding to the second shell and then penetrates through a positioning hole of the rear end cover, an output bearing is sleeved at the position, corresponding to the positioning hole of the second shell, of the output shaft, and a rear oil seal is sleeved at the position, corresponding to the rear end face of the rear end cover, of the output shaft;
the front end of the first input shaft penetrates through a positioning hole corresponding to the first shell and then penetrates through a positioning hole of the front end cover, an input bearing is sleeved at the position, corresponding to the positioning hole of the first shell, of the first input shaft, and a front oil seal is sleeved at the position, corresponding to the front end cover, of the first input shaft;
the output shaft, the first transmission shaft and the second transmission shaft are arranged at the positions of three vertexes of a triangle, the first transmission shaft is arranged in a cavity below the output shaft in an inclined manner, the second transmission shaft is arranged in a cavity above the output shaft in an inclined manner, and the first transmission shaft and the second transmission shaft are arranged at the same side of the output shaft, so that the whole structure is small in size;
two ends of the first transmission shaft are respectively supported in corresponding first transmission shaft positioning holes of the first shell and the second shell through bearings, and the front end cover and the rear end cover respectively extend to cover and mount corresponding surface areas of the corresponding first transmission shaft positioning holes;
two ends of the second transmission shaft are respectively supported in the corresponding second transmission shaft positioning and mounting ring grooves of the first shell and the second shell through bearings;
the axial end faces of the first shell and the second shell are fixedly connected through flange face bolts, the front end cover is fixedly arranged at a position corresponding to the front end of the first shell, and the rear end cover is fixedly arranged at a position corresponding to the rear end of the second shell.
After the utility model is adopted, the first input shaft and the second input shaft are coaxially arranged, only one gear box is needed,
through power switching or combination between two driving motors, the transmission realizes power transmission output of any one motor or simultaneous power transmission output of two motors, namely eight modes of power output including a first mode, a second mode, a third mode, a fourth mode, a first gear combination, a second gear combination, a fourth gear combination, a second gear combination, a third gear combination and a third gear combination, so that the vehicle is suitable for more working conditions, and through control during switching of various modes, as two input shafts respectively correspond to independent transmission shafts, the power transmitted is switched into gears without interruption, and the gear shifting effect similar to a DCT automatic transmission is realized; meanwhile, the rotating speed of the driving motor is controlled to adjust the rotating speed difference of the gear to be engaged of the meshing sleeve, so that the gear engagement without the rotating speed difference or with the small rotating speed difference is realized, and compared with a multi-cone synchronizer or a single-cone synchronizer configured by the traditional vehicular DCT automatic transmission, the utility model discloses the meshing sleeve is simplified, so that the structure is simpler and more reliable; in conclusion, the double-motor driving and single gearbox is adopted to transmit power, the transmission is not interrupted by power when the driving wheels run, the system efficiency is high, and the power performance is good.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of section A-A of FIG. 1;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises a first shell 1, a second shell 2, a front end cover 3, a rear end cover 4, a mounting cavity 5, a first input shaft 6, a second input shaft 7, a third transmission gear 8, a first main gear 9, a concave shaft center hole 10, an output shaft 11, a second main gear 12, a third main gear 13, a fourth main gear 14, a first synchronizer 15, a second synchronizer 16, a first transmission shaft 17, a second transmission shaft 18, a constant mesh gear 19, a third intermediate gear 20, a fourth intermediate gear 21, a first intermediate gear 22, a second intermediate gear 23, an output flange 24, a locking nut 25, an output bearing 26, a rear oil seal 27, an input bearing 28 and a front oil seal 29.
Detailed Description
A new energy pure electric automobile transmission is shown in figures 1 and 2: the transmission case comprises a transmission case body, the transmission case body comprises a first shell body 1, a second shell body 2, a front end cover 3 and a rear end cover 4, the front end cover after the first shell body 1 and the second shell body 2 are combined is provided with the front end cover 3, the rear end cover after the first shell body 1 and the second shell body 2 are combined is provided with the rear end cover 4, the first shell body 1, the second shell body 2, the front end cover 3 and the rear end cover 4 are assembled to form a mounting cavity body 5, the front end cover 3 is provided with a convex first input shaft 6, the convex end of the first input shaft 6 is externally connected with a first driving motor, the central shaft part of the first input shaft 6 is hollow, the second input shaft 7 is arranged in the central shaft cavity area of the first input shaft 6 through a bearing, two ends of the second input shaft 7 respectively protrude out of two end faces of the first input shaft 6, the outer ring of the first input shaft 6, which is positioned in the mounting cavity body 5, is sleeved with a third transmission gear 8, the outer ring of the rear end of the second, a concave axle center hole 10 is arranged at the center of the rear end of the second input shaft 7, the front end of the output shaft 11 is coaxially arranged in the concave axle center hole 10 through a bearing, the rear end of the output shaft 11 is arranged by penetrating through the rear end cover 4, the part of the output shaft 11, which is positioned in the mounting cavity 5, is respectively sleeved with a second main gear 12, a third main gear 13 and a fourth main gear 14 through bearings, the front end part of the output shaft 11, which corresponds to the second main gear 12, is sleeved with a first synchronizer 15, the first synchronizer 15 axially moves along the space between the first main gear 9 and the second main gear 12, two end surfaces of the first synchronizer 15 respectively face the respective meshing gear rings of the first main gear 9 and the second main gear 12, the part of the output shaft 11, which is between the third main gear 13 and the fourth main gear 14, is sleeved with a second synchronizer 16, the second synchronizer 16 axially moves along the space between the third main gear 13 and the fourth main gear 14, two end surfaces of the second synchronizer 16 are respectively arranged towards respective meshing gear rings of a third main gear 13 and a fourth main gear 14, a first transmission shaft 17 and a second transmission shaft 18 are further arranged in the mounting cavity 3, the first transmission shaft 17 is respectively provided with a normally meshing gear 19, a third intermediate gear 20 and a fourth intermediate gear 21 from front to back, the normally meshing gear 19 is meshed with the third transmission gear 8 at the corresponding position, the third intermediate gear 20 is meshed with the third main gear 13 at the corresponding position, the fourth intermediate gear 21 is meshed with the fourth main gear 14 at the corresponding position, the second transmission shaft 18 is respectively provided with a first intermediate gear 22 and a second intermediate gear 23 from front to back, the first intermediate gear 22 is meshed with the first main gear 9 at the corresponding position, and the second intermediate gear 22 is meshed with the second main gear 12 at the corresponding position.
The transmission ratios of the output shafts 10 transmitted by the first main gear 9, the second main gear 12, the third main gear 13 and the fourth main gear 14 through corresponding synchronizers are different from each other, the second driving motor independently drives the first-gear variable speed and the second-gear variable of the output shafts, and the first driving motor independently drives the third-gear variable speed and the fourth-gear variable speed of the output shafts;
the first main gear 9, the third transmission gear 8 and the third intermediate gear 20 are simplified into corresponding gear ring structures, so that the low structural cost is ensured;
the part of the output shaft 10 protruding out of the rear end cover is fixedly provided with an output flange 24, and the output flange 24 is fastened and connected in the axial direction through a locking nut 25;
the rear end of the output shaft 10 penetrates through a positioning hole corresponding to the second shell 2 and then penetrates through a positioning hole of the rear end cover 4, an output bearing 26 is sleeved at the position, corresponding to the positioning hole of the second shell 2, of the output shaft 10, and a rear oil seal 27 is sleeved at the position, corresponding to the rear end face of the rear end cover 4, of the output shaft 10;
the front end of the first input shaft 7 penetrates through a positioning hole corresponding to the first shell 1 and then penetrates through a positioning hole of the front end cover 3, an input bearing 28 is sleeved at the position, corresponding to the positioning hole of the first shell 1, of the first input shaft 7, and a front oil seal 29 is sleeved at the position, corresponding to the front end cover 3, of the first input shaft 7;
the output shaft 10, the first transmission shaft 17 and the second transmission shaft 18 are arranged at the positions of three vertexes of a triangle, the first transmission shaft 17 is arranged in a cavity below the output shaft 10 in an inclined manner, the second transmission shaft 18 is arranged in a cavity above the output shaft 10 in an inclined manner, and the first transmission shaft 17 and the second transmission shaft 18 are arranged at the same side of the output shaft 10, so that the whole structure is small in size;
two ends of the first transmission shaft 17 are respectively supported in corresponding first transmission shaft positioning holes of the first shell 1 and the second shell 2 through bearings, and the front end cover 3 and the rear end cover 4 respectively extend to cover the corresponding surface areas of the corresponding first transmission shaft positioning holes;
two ends of the second transmission shaft 18 are respectively supported in the corresponding second transmission shaft positioning and mounting ring grooves of the first shell 1 and the second shell 2 through bearings;
axial end faces of the first shell 1 and the second shell 2 are fixedly connected through flange face bolts, the front end cover 3 is fixedly arranged at a position corresponding to the front end of the first shell 1, and the rear end cover 4 is fixedly arranged at a position corresponding to the rear end of the second shell 2.
The shifting mechanism is not within the scope of the present technology and is not described in detail.
The transmission principle of each mode is as follows:
the first mode is as follows: first gear
The second drive motor → the second input shaft → the first main gear → the first sleeve → the output shaft.
And a second mode: second gear
Second drive motor → second input shaft → first main gear → first intermediate tooth → second transmission shaft → second intermediate tooth → second main gear → first sleeve → output shaft
And a third mode: three-gear
The first drive motor → the first input shaft → the third transmission gear → the constant mesh gear → the third intermediate gear → the third main gear → the second sleeve → the output shaft.
And a fourth mode: four-gear
The first drive motor → the first input shaft → the third transmission gear → the constant mesh gear → the fourth intermediate gear → the fourth main gear → the second sleeve → the output shaft.
And a fifth mode: one-three combined gear
The first driving motor drives the third gear, the second driving motor drives the first gear, and double-power output is achieved when the vehicle climbs a slope greatly by controlling the coupling rotating speed of the double motors.
Mode six: one-four combined gear
The second driving motor drives the first gear, and simultaneously the second driving motor drives the fourth gear; the four-gear auxiliary first-gear output power is realized by controlling the coupling rotating speed of the double motors.
Mode seven: two-three combined gear
The second driving motor drives the second gear, and the first driving motor drives the third gear; the three-gear auxiliary two-gear output power is realized by controlling the coupling rotating speed of the double motors.
And a mode eight: two-four combined gear
The second driving motor drives the second gear, and the first driving motor drives the fourth gear, so that the four-gear auxiliary three-gear output power is realized by controlling the coupling rotating speed of the double motors.
The first input shaft and the second input shaft are coaxially arranged, only one gear box is needed,
through power switching or combination between two driving motors, the transmission realizes power transmission output of any one motor or simultaneous power transmission output of two motors, namely eight modes of power output including a first mode, a second mode, a third mode, a fourth mode, a first gear combination, a second gear combination, a fourth gear combination, a second gear combination, a third gear combination and a third gear combination, so that the vehicle is suitable for more working conditions, and through control during switching of various modes, as two input shafts respectively correspond to independent transmission shafts, the power transmitted is switched into gears without interruption, and the gear shifting effect similar to a DCT automatic transmission is realized; meanwhile, the rotating speed of the driving motor is controlled to adjust the rotating speed difference of the gear to be engaged of the meshing sleeve, so that the gear engagement without the rotating speed difference or with the small rotating speed difference is realized, and compared with a multi-cone synchronizer or a single-cone synchronizer configured by the traditional vehicular DCT automatic transmission, the utility model discloses the meshing sleeve is simplified, so that the structure is simpler and more reliable; in conclusion, the double-motor driving and single gearbox is adopted to transmit power, the transmission is not interrupted by power when the driving wheels run, the system efficiency is high, and the power performance is good.
The detailed description of the embodiments of the present invention has been provided, but the present invention is only the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent application.
Claims (10)
1. The utility model provides a pure electric vehicles derailleur of new forms of energy which characterized in that: the transmission case comprises a transmission case body, the transmission case body comprises a first shell, a second shell, a front end cover and a rear end cover, the front end cover is arranged on the front end cover after the first shell and the second shell are combined, the rear end cover is arranged on the rear end cover after the first shell and the second shell are combined, an installation cavity is formed after the first shell, the second shell, the front end cover and the rear end cover are assembled, a convex first input shaft is arranged on the front end cover, a first driving motor is externally connected to the convex end of the first input shaft, the central shaft part of the first input shaft is hollow, a second input shaft is arranged in the central shaft cavity area of the first input shaft through a bearing, the two ends of the second input shaft respectively protrude out of the two end surfaces of the first input shaft, a third transmission gear is sleeved on the outer ring of the first input shaft, a first main gear is sleeved on the outer ring of the rear end of the second input shaft, which is positioned in the installation cavity, a concave axial center hole is formed in the center of the rear end of the second input shaft, the front end of an output shaft is coaxially arranged in the concave axial center hole through a bearing, the rear end of the output shaft penetrates through the rear end cover to be arranged, the part of the output shaft, which is positioned in the mounting cavity, is sleeved with a second main gear, a third main gear and a fourth main gear through bearings, the front end part of the output shaft, which corresponds to the second main gear, is sleeved with a first synchronizer, the first synchronizer axially moves along the first main gear and the second main gear, two end faces of the first synchronizer are respectively arranged towards respective meshing gear rings of the first main gear and the second main gear, the part of the output shaft, which is between the third main gear and the fourth main gear, is sleeved with a second synchronizer, and the second synchronizer axially moves along the space between the third main gear and the fourth main gear, the two end faces of the second synchronizer face respective meshing gear rings of the third main gear and the fourth main gear respectively, a first transmission shaft and a second transmission shaft are further arranged in the installation cavity, the first transmission shaft is provided with a normally meshing gear, a third intermediate gear and a fourth intermediate gear from front to back respectively, the normally meshing gear is meshed with the third transmission gear at a corresponding position, the third intermediate gear is meshed with the third main gear at a corresponding position, the fourth intermediate gear is meshed with the fourth main gear at a corresponding position, the second transmission shaft is provided with the first intermediate gear and the second intermediate gear from front to back respectively, the first intermediate gear is meshed with the first main gear at a corresponding position, and the second intermediate gear is meshed with the second main gear at a corresponding position.
2. The transmission of claim 1, wherein: the first main gear, the second main gear, the third main gear and the fourth main gear are different in transmission ratio of output shafts transmitted by corresponding synchronizers, the second driving motor independently drives a first-gear speed change and a second-gear variable of the output shafts, and the first driving motor independently drives a third-gear speed change and a fourth-gear speed change of the output shafts.
3. The transmission of claim 1, wherein: the first main gear, the third transmission gear and the third intermediate gear are in corresponding gear ring structures.
4. The transmission of claim 1, wherein: and the part of the output shaft, which protrudes out of the rear end cover, is fixedly provided with an output flange, and the output flange is fastened and connected in the axial direction through a locking nut.
5. The transmission of claim 4, wherein: the rear end of the output shaft penetrates through a positioning hole corresponding to the second shell and then penetrates through a positioning hole of the rear end cover, an output bearing is sleeved at the position, corresponding to the positioning hole of the second shell, of the output shaft, and a rear oil seal is sleeved at the position, corresponding to the rear end face of the rear end cover, of the output shaft.
6. The transmission of claim 1, wherein: the front end of the first input shaft penetrates through a positioning hole corresponding to the first shell and then penetrates through a positioning hole of the front end cover, an input bearing is sleeved at the position, corresponding to the positioning hole of the first shell, of the first input shaft, and a front oil seal is sleeved at the position, corresponding to the front end cover, of the first input shaft.
7. The transmission of claim 1, wherein: the output shaft, the first transmission shaft and the second transmission shaft are arranged at the positions of three vertexes of a triangle, the first transmission shaft is arranged in a cavity below the output shaft in an inclined mode, the second transmission shaft is arranged in a cavity above the output shaft in an inclined mode, and the first transmission shaft and the second transmission shaft are arranged on the same side of the output shaft.
8. The transmission of claim 1, wherein: the two ends of the first transmission shaft are respectively supported in the corresponding first transmission shaft positioning holes of the first shell and the second shell through bearings, and the front end cover and the rear end cover respectively extend to cover the corresponding surface areas of the corresponding first transmission shaft positioning holes.
9. The transmission of claim 1, wherein: and two ends of the second transmission shaft are respectively supported in the corresponding second transmission shaft positioning and mounting ring grooves of the first shell and the second shell through bearings.
10. The transmission of claim 1, wherein: the axial end faces of the first shell and the second shell are fixedly connected through flange face bolts, the front end cover is fixedly arranged at a position corresponding to the front end of the first shell, and the rear end cover is fixedly arranged at a position corresponding to the rear end of the second shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822032609.3U CN209818663U (en) | 2018-12-05 | 2018-12-05 | New forms of energy pure electric vehicles derailleur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822032609.3U CN209818663U (en) | 2018-12-05 | 2018-12-05 | New forms of energy pure electric vehicles derailleur |
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| Publication Number | Publication Date |
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| CN209818663U true CN209818663U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822032609.3U Active CN209818663U (en) | 2018-12-05 | 2018-12-05 | New forms of energy pure electric vehicles derailleur |
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| CN (1) | CN209818663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372957A (en) * | 2018-12-05 | 2019-02-22 | 苏州绿控传动科技股份有限公司 | A kind of new energy pure electric automobile speed changer |
-
2018
- 2018-12-05 CN CN201822032609.3U patent/CN209818663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372957A (en) * | 2018-12-05 | 2019-02-22 | 苏州绿控传动科技股份有限公司 | A kind of new energy pure electric automobile speed changer |
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