CN219055981U - Four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system - Google Patents
Four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system Download PDFInfo
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- CN219055981U CN219055981U CN202223503813.1U CN202223503813U CN219055981U CN 219055981 U CN219055981 U CN 219055981U CN 202223503813 U CN202223503813 U CN 202223503813U CN 219055981 U CN219055981 U CN 219055981U
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Abstract
The utility model provides a four-gear single-intermediate shaft parallel arrangement double-motor pure electric power system which comprises a first main drive motor and a second main drive motor, wherein the rear end of the first main drive motor is sequentially connected with an input shaft of the first main drive motor, a reduction driving gear of the first main drive motor and a hollow shaft; a four-gear driving gear and a two-gear driving gear are fixedly arranged on the hollow shaft; the gear shifting device comprises a first middle shaft, a second gear shifting actuating mechanism, a first main speed reducing gear and a second gear shifting actuating mechanism, and is characterized by further comprising a first middle shaft and an output shaft, wherein a four-gear driven gear, a first gear shifting actuating mechanism, a second gear driven gear and a first main speed reducing gear are sequentially arranged on the first middle shaft, and the front end of the output shaft is provided with the main speed reducing driven gear; the first main drive motor input shaft and the second main drive motor input shaft are arranged in parallel. The problem of traditional AMT is shifted and is just set up is avoided, the power of shifting is not interrupted, when the gear is switched, one power route is disconnected, the other power route keeps power output, the power of shifting is not interrupted, driving comfort is improved, and the two motors can mutually synchronize the rotational speed to compensate torque deficiency.
Description
Technical Field
The utility model belongs to the technical field of pure electric transmission assemblies, and particularly relates to a four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system.
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 four-gear single-intermediate shaft parallel arrangement double-motor pure electric power system, which solves the problem of traditional AMT gear shifting setback, gear shifting power is not interrupted, one power route is disconnected during gear shifting, the other power route keeps power output, gear shifting power is not interrupted, driving comfort is improved, and two motors can mutually synchronize to compensate torque deficiency.
The technical scheme of the utility model is as follows:
a four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system comprises a first main drive motor and a second main drive motor;
the rear end of the first main driving motor is sequentially connected with the first main driving motor input shaft, the first main driving motor reduction driving gear and the hollow shaft; a four-gear driving gear and a two-gear driving gear are fixedly arranged on the hollow shaft;
the utility model further comprises a first intermediate shaft and an output shaft, wherein the first intermediate shaft is sequentially provided with a four-gear driven gear, a first gear shifting executing mechanism, a two-gear driven gear and a first main reduction gear, and the front end of the output shaft is provided with a main reduction driven gear;
the rear end of the second main driving motor is sequentially connected with a second main driving motor input shaft, a second main driving motor reduction driving gear, a second main driving motor reduction driven gear and an input shaft, and a three-gear driving gear and a first-gear driving gear are arranged on the input shaft;
the utility model further comprises a second intermediate shaft, wherein a three-gear driven gear, a second gear shifting actuating mechanism, a first-gear driven gear and a second main speed reducing gear are sequentially arranged on the second intermediate shaft, and the first main speed reducing gear and the second main speed reducing gear are meshed with the main speed reducing driven gear.
The first main drive motor input shaft and the second main drive motor input shaft are arranged in parallel.
The utility model adopts power division: 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 first main driving motor or the second main driving motor is independently driven, gear selection is carried out according to actual working conditions, and the first main driving motor can realize power output through a second gear and a fourth gear; the second main driving motor can realize power output through a first gear and a third 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 gear implementation mode comprises the following steps: two transmission routes are respectively realized by the two intermediate shafts, and each transmission route realizes 2 gears.
The reverse gear implementation mode of the utility model comprises the following steps: reverse gear is realized by reversing the motor.
Preferably, the first intermediate shaft and the output shaft are coaxially arranged, and the first main reduction gear is arranged at the end of the first intermediate shaft. Compact structure adopts coaxial arrangement, is convenient for the design of casing to and the installation of axle.
Preferably, the hollow shaft is sleeved on the input shaft, and the hollow shaft is arranged between the second main driving motor reduction driven gear and the three-gear driving gear. The hollow shaft structure, namely the coaxial structure of the hollow shaft sleeve and the input shaft, is adopted, the transverse space is smaller, and the structure is compact.
Preferably, the motor further comprises a shell, and the first main driving motor and the second main driving motor are arranged outside the shell. All derailleur parts all set up inside the casing, and the motor sets up in the outside, the maintenance of the motor of being convenient for.
The utility model has the beneficial effects that:
power splitting: 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 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 hollow shaft structure, namely the coaxial structure of the hollow shaft sleeve and the input shaft, is adopted, the transverse space is smaller, and the structure is compact.
All derailleur parts all set up inside the casing, and the motor sets up in the outside, the maintenance of the motor of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of a four-gear single-intermediate-shaft parallel arrangement dual-motor pure electric power system.
In the figure: 100-first main drive motor, 101-second main drive motor, 200-input shaft, 201-first main drive motor input shaft, 202-first main drive motor reduction driving gear, 203-fourth gear driven gear, 204-first gear shifting actuator, 205-second gear driven gear, 206-first intermediate shaft, 207-first main reduction gear, 208-second main drive motor reduction driving gear, 209-first main drive motor reduction driven gear, 210-fourth gear driving gear, 211-hollow shaft, 212-second gear driving gear, 213-third gear driven gear, 214-first gear driven gear, 215-second main reduction gear, 216-third gear driving gear, 217-first gear driving gear, 218-second gear shifting actuator, 219-second main drive motor reduction driven gear, 220-second intermediate shaft, 221-main reduction driven gear, 222-output shaft, 223-housing, 224-second main drive motor input shaft.
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: a four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system.
A four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system comprises a first main drive motor 100 and a second main drive motor 101;
the rear end of the first main driving motor 100 is sequentially connected with a first main driving motor input shaft 201, a first main driving motor reduction driving gear 202 and a hollow shaft 211; a fourth-gear driving gear 210 and a second-gear driving gear 212 are fixedly arranged on the hollow shaft 211;
the embodiment further comprises a first intermediate shaft 206 and an output shaft 222, wherein the first intermediate shaft 206 is sequentially provided with a four-gear driven gear 203, a first gear shifting executing mechanism 204, a two-gear driven gear 205 and a first main reduction gear 207, and the front end of the output shaft 222 is provided with a main reduction driven gear 221;
the rear end of the second main driving motor 101 is sequentially connected with a second main driving motor input shaft 224, a second main driving motor reduction driving gear 208, a second main driving motor reduction driven gear 219 and an input shaft 200, and a three-gear driving gear 216 and a one-gear driving gear 217 are arranged on the input shaft 200;
the present embodiment further includes a second intermediate shaft 220, where the second intermediate shaft 220 is sequentially provided with a third gear driven gear 213, a second gear shifting executing mechanism 218, a first gear driven gear 214, and a second main speed reducing gear 215, and the first main speed reducing gear 207 and the second main speed reducing gear 215 are all meshed with the main speed reducing driven gear 221.
The first main drive motor input shaft 201 and the second main drive motor input shaft 224 are arranged in parallel.
In the embodiment, the first main driving motor or the second main driving motor is independently driven, gear selection is performed according to actual working conditions, and the first main driving motor can realize power output through second gears and fourth gears; the second main driving motor can realize power output through a first gear and a third gear;
the present embodiment adopts a power splitting manner: 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 gear shifting power of the embodiment 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 gear implementation manner of the embodiment is as follows: two transmission routes are respectively realized by the two intermediate shafts, and each transmission route realizes 2 gears.
The reverse gear implementation manner of this embodiment is as follows: the reverse gear is realized by reversing the motor, and the reverse gear is the same as a road blocking line.
Example 2: a four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system.
A four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system comprises a first main drive motor 100 and a second main drive motor 101;
the rear end of the first main driving motor 100 is sequentially connected with a first main driving motor input shaft 201, a first main driving motor reduction driving gear 202 and a hollow shaft 211; a fourth-gear driving gear 210 and a second-gear driving gear 212 are fixedly arranged on the hollow shaft 211;
the embodiment further comprises a first intermediate shaft 206 and an output shaft 222, wherein the first intermediate shaft 206 is sequentially provided with a four-gear driven gear 203, a first gear shifting executing mechanism 204, a two-gear driven gear 205 and a first main reduction gear 207, and the front end of the output shaft 222 is provided with a main reduction driven gear 221;
the rear end of the second main driving motor 101 is sequentially connected with a second main driving motor input shaft 224, a second main driving motor reduction driving gear 208, a second main driving motor reduction driven gear 219 and an input shaft 200, and a three-gear driving gear 216 and a one-gear driving gear 217 are arranged on the input shaft 200;
the present embodiment further includes a second intermediate shaft 220, where the second intermediate shaft 220 is sequentially provided with a third gear driven gear 213, a second gear shifting executing mechanism 218, a first gear driven gear 214, and a second main speed reducing gear 215, and the first main speed reducing gear 207 and the second main speed reducing gear 215 are all meshed with the main speed reducing driven gear 221.
The first main drive motor input shaft 201 and the second main drive motor input shaft 224 are arranged in parallel.
In the present embodiment, the first intermediate shaft 206 and the output shaft 222 are coaxially disposed, and the first main reduction gear 207 is disposed at the end of the first intermediate shaft 206. Compact structure, adoption of coaxial arrangement, design of the shell 223 and installation of the shaft are facilitated.
In this embodiment, the hollow shaft 211 is sleeved on the input shaft 200, and the hollow shaft 211 is disposed between the second main driving motor reduction driven gear 219 and the three-gear driving gear 216. The hollow shaft 211 structure, that is, the coaxial structure of the hollow shaft 211 sleeve and the input shaft 200, is adopted, the transverse space is smaller, and the structure is compact.
The present embodiment further includes a housing 223, and the first main driving motor 100 and the second main driving motor 101 are both disposed outside the housing 223. All transmission components are disposed inside the housing 223, and the motor is disposed outside, facilitating maintenance of the motor.
In this embodiment, a first main driving motor reduction driving gear 202 is disposed at the front end of the first main driving motor input shaft 201;
a second main drive motor reduction driving gear 208 is arranged at the front end of the second main drive motor input shaft 224;
a fourth-gear driven gear 203, a first gear shifting executing mechanism 204, a second-gear driven gear 205 and a first main reduction gear 207 are sequentially arranged on the first intermediate shaft 206;
the second intermediate shaft 220 is provided with a three-gear driven gear 213, a second gear shifting executing mechanism 218, a first-gear driven gear 214 and a second main reducing gear 215 in sequence;
the input shaft 200 is provided with a second main driving motor speed reduction driven gear 219, a three-gear driving gear 216 and a first-gear driving gear 217 in sequence;
the hollow shaft 211 is sequentially provided with a first main driving motor reduction driven gear 209, a fourth-gear driving gear 210 and a second-gear driving gear 212;
the power transmission path of the present embodiment is as follows:
a first gear: the second gear shifting actuator 218 is in the right position, the power of the second main driving motor 101 is transmitted from the second main driving motor input shaft 224 to the input shaft 200 through the second main driving motor reduction driving gear 208 and the second main driving motor reduction driven gear 219, the power of the input shaft 200 is transmitted to the second intermediate shaft 220 through the first gear driving gear 217 and the first gear driven gear 214, and the power of the intermediate shaft is transmitted to the output shaft 222 through the second main reduction gear 215 and the main reduction driven gear 221 for output.
Second gear, namely, the first gear shifting executing mechanism 204 is at the right position, the power of the first main driving motor 100 is transmitted to the hollow shaft 211 from the first main driving motor input shaft 201 through the first main driving motor reduction driving gear 202 and the first main driving motor reduction driven gear 209, the power of the hollow shaft 211 is transmitted to the first intermediate shaft 206 through the second gear driving gear 212 and the second gear driven gear 205, and the power of the first intermediate shaft 206 is transmitted to the output shaft 222 through the first main reduction gear 207 and the main reduction driven gear 221 for output.
Three gears: in the left position of the second gear shifting actuator 218, the power of the second main driving motor 101 is transmitted from the second main driving motor input shaft 224 to the input shaft 200 through the second main driving motor reduction driving gear 208 and the second main driving motor reduction driven gear 219, the power of the input shaft 200 is transmitted to the second intermediate shaft 220 through the three-gear driving gear 216 and the three-gear driven gear 213, and the power of the second intermediate shaft 220 is transmitted to the output shaft 222 through the second main reduction gear 215 and the main reduction driven gear 221 for output.
Fourth gear: in the left position of the first gear shifting executing mechanism 204, the power of the first main driving motor 100 is transmitted to the hollow shaft 211 from the first main driving motor input shaft 201 through the first main driving motor reduction driving gear 202 and the first main driving motor reduction driven gear 209, the power of the hollow shaft 211 is transmitted to the four-gear driven gear 203 through the four-gear driving gear 210 and the four-gear driven gear 203, and then is transmitted to the output shaft 222 through the first intermediate shaft 206, and the power of the first intermediate shaft 206 is transmitted to the output shaft 222 through the first main reduction gear 207 and the main reduction driven gear 221.
Claims (4)
1. The four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system is characterized by comprising a first main drive motor (100) and a second main drive motor (101);
the rear end of the first main driving motor (100) is sequentially connected with a first main driving motor input shaft (201), a first main driving motor reduction driving gear (202) and a hollow shaft (211); a four-gear driving gear (210) and a two-gear driving gear (212) are fixedly arranged on the hollow shaft (211);
the novel gear shifting device comprises a first intermediate shaft (206) and an output shaft (222), wherein a four-gear driven gear (203), a first gear shifting executing mechanism (204), a two-gear driven gear (205) and a first main reduction gear (207) are sequentially arranged on the first intermediate shaft (206), and a main reduction driven gear (221) is arranged at the front end of the output shaft (222);
the rear end of the second main driving motor (101) is sequentially connected with a second main driving motor input shaft (224), a second main driving motor reduction driving gear (208), a second main driving motor reduction driven gear (219) and an input shaft (200), and a three-gear driving gear (216) and a one-gear driving gear (217) are arranged on the input shaft (200);
the gear shifting device further comprises a second intermediate shaft (220), wherein a three-gear driven gear (213), a second gear shifting executing mechanism (218), a first-gear driven gear (214) and a second main speed reducing gear (215) are sequentially arranged on the second intermediate shaft (220), and the first main speed reducing gear (207) and the second main speed reducing gear (215) are meshed with the main speed reducing driven gear (221);
the first main drive motor input shaft (201) and the second main drive motor input shaft (224) are arranged in parallel.
2. The four-gear single-intermediate-shaft parallel arrangement dual-motor pure electric power system according to claim 1, wherein: a first intermediate shaft (206) and an output shaft (222) are coaxially arranged, and a first main reduction gear (207) is arranged at the tail end of the first intermediate shaft (206).
3. The four-gear single-intermediate-shaft parallel arrangement dual-motor pure electric power system according to claim 1, wherein: the hollow shaft (211) is sleeved on the input shaft (200), and the hollow shaft (211) is arranged between the second main driving motor speed reduction driven gear (219) and the three-gear driving gear (216).
4. The four-gear single-intermediate-shaft parallel arrangement dual-motor pure electric power system according to claim 1, wherein: the motor further comprises a shell (223), and the first main driving motor (100) and the second main driving motor (101) are arranged outside the shell (223).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223503813.1U CN219055981U (en) | 2022-12-27 | 2022-12-27 | Four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223503813.1U CN219055981U (en) | 2022-12-27 | 2022-12-27 | Four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system |
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| Publication Number | Publication Date |
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| CN219055981U true CN219055981U (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223503813.1U Active CN219055981U (en) | 2022-12-27 | 2022-12-27 | Four-gear single-intermediate-shaft parallel arrangement double-motor pure electric power system |
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| CN (1) | CN219055981U (en) |
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- 2022-12-27 CN CN202223503813.1U patent/CN219055981U/en active Active
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