CN111828620A - Dual-motor three-mode six-gear transmission - Google Patents
Dual-motor three-mode six-gear transmission Download PDFInfo
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- CN111828620A CN111828620A CN202010664257.2A CN202010664257A CN111828620A CN 111828620 A CN111828620 A CN 111828620A CN 202010664257 A CN202010664257 A CN 202010664257A CN 111828620 A CN111828620 A CN 111828620A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
Abstract
The invention relates to a double-motor three-mode six-gear transmission which comprises a first motor, a second motor, an output end and a transmission module, wherein the first motor is connected with the output end of the first motor; the transmission module is composed of nine gears and three synchronizers, six speed ratios are provided by reasonably utilizing a gear pair on the basis of using as few gears as possible, each speed ratio comprises three modes of low load, medium load and high load, and unpowered interruption switching under full gears and full modes can be realized; according to the invention, through reasonable arrangement of the gears and the synchronizers, the transmission has a compact structure, the reuse rate of a gear mechanism is improved, the design requirements of multiple gears, light weight, compactness, suitability for various working conditions and the like of the electric automobile transmission can be met, and the technical effect is very ideal.
Description
Technical Field
The invention relates to a transmission of an electric automobile, in particular to a double-motor three-mode six-gear transmission, and belongs to the technical field of vehicle transmission.
Background
With the increasing environmental pollution, energy conservation and emission reduction become the main direction of the current automobile industrial design. Due to environmental and energy safety concerns, china, the united states, india and some european countries currently plan to gradually replace fuel vehicles with electric vehicles; at present, most of driving systems of electric automobiles are speed changers with single motors and fixed speed ratios, and although the single motors are low in manufacturing cost, simple in structural form and easy and convenient to control, the single motor speed changers are low in efficiency and poor in economic applicability when various operation working conditions of the automobiles are considered. The double-motor multi-gear transmission can effectively solve the problems, can perform gear shifting operation according to the actual operation working condition of an automobile, improves the motor efficiency, can realize unpowered interruption gear shifting, and is the development trend of a power transmission system of an electric automobile. Therefore, the invention provides a double-motor multi-gear multi-mode power transmission system, which not only can enable a motor to be in a working range with higher efficiency through the combined control of double motors and improve the economical efficiency of a whole vehicle, but also can switch gears and modes according to the load condition, furthest exerts the dynamic property of the system, and simultaneously can realize the gear shifting operation without power interruption, further improves the driving experience and improves the comfort of the whole vehicle.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a dual-motor three-mode six-gear transmission with the characteristics of simple and compact structure, good processing technology, no power interruption in gear shifting, etc.
The technical scheme adopted by the invention is as follows:
the invention provides a double-motor three-mode six-gear transmission which comprises a first motor, a second motor, an output end and a transmission module, wherein the first motor is connected with the second motor;
the transmission module includes: the first gear, the second gear, the third gear, the fourth gear, the fifth gear, the sixth gear, the seventh gear, the eighth gear, the ninth gear, the first synchronizer, the second synchronizer, the third synchronizer, the first input shaft, the first intermediate shaft, the second intermediate shaft, the third intermediate shaft, the second input shaft and the output shaft;
the first motor, the first gear, the second gear, the third gear, the fourth gear, the first synchronizer, the first input shaft and the first intermediate shaft are positioned on a first shafting; the second motor, the fifth gear, the sixth gear, the seventh gear, the eighth gear, the third synchronizer, the second intermediate shaft, the third intermediate shaft and the second input shaft are positioned in a second shaft system; the output end, the ninth gear and the output shaft are positioned in a third shaft system;
the first motor and the first synchronizer are fixedly connected to the first input shaft, and the first gear is sleeved on the first input shaft in a hollow mode; the second gear, the third gear and the fourth gear are fixedly connected to the first intermediate shaft; the second motor and the second synchronizer are fixedly connected to the second input shaft, and the eighth gear is sleeved on the second input shaft in an idle mode; the fifth gear and the third synchronizer are fixedly connected to the second intermediate shaft, and the sixth gear is sleeved on the second intermediate shaft in a hollow manner; the seventh gear is fixedly connected to the third intermediate shaft; the ninth gear and the output end are fixedly connected to the output shaft;
the first gear is meshed with a fifth gear, the second gear is meshed with a sixth gear, the third gear is meshed with a seventh gear, and the fourth gear is meshed with an eighth gear; the left side of the first synchronizer is meshed with the first gear, and the right side of the first synchronizer is meshed with the second gear; the left side of the third synchronizer is meshed with the sixth gear, and the right side of the third synchronizer is meshed with the seventh gear; the left side of the second synchronizer is meshed with the seventh gear, and the right side of the second synchronizer is meshed with the eighth gear.
The first motor is connected to the input end of the first input shaft in a transmission mode, and the second motor is connected to the input end of the second input shaft in a transmission mode.
Further, when the transmission is in a 1-gear low-load state, the second motor, the second synchronizer and the third synchronizer work; the second synchronizer is engaged to the left, and the third synchronizer is engaged to the right; and the power of the second motor passes through the second input shaft, the second synchronizer, the seventh gear, the third synchronizer, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft in sequence and is finally output by the output end.
When the transmission is in a load state in the gear 1, the first motor, the first synchronizer and the third synchronizer work; the first synchronizer is engaged to the right, and the third synchronizer is engaged to the right; the power of the first motor sequentially passes through the first input shaft, the first synchronizer, the second gear, the first intermediate shaft, the third gear, the seventh gear, the third synchronizer, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft, and is finally output by the output end.
When the transmission is in a 1-gear high-load state, the first motor, the second motor, the first synchronizer, the second synchronizer and the third synchronizer work; the first synchronizer is meshed rightwards, the second synchronizer is meshed leftwards, the third synchronizer is meshed rightwards, and the double motors output power simultaneously; the power of the first motor sequentially passes through the first input shaft, the first synchronizer, the second gear, the first intermediate shaft and the third gear; the power of the second motor sequentially passes through the second input shaft and the second synchronizer, the power of the double motors is coupled at the seventh gear, and the power of the double motors sequentially passes through the third synchronizer, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a 2-gear low-load state, the second motor, the second synchronizer and the third synchronizer work; the second synchronizer is engaged to the right, and the third synchronizer is engaged to the right; and the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the eighth gear, the fourth gear, the first intermediate shaft, the third gear, the seventh gear, the third synchronizer, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a load state in the gear 2, the first motor, the first synchronizer and the third synchronizer work; the first synchronizer is engaged to the right, and the third synchronizer is engaged to the right; the power of the first motor sequentially passes through the first input shaft, the first synchronizer, the second gear, the first intermediate shaft, the third gear, the seventh gear, the third synchronizer, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft, and is finally output by the output end.
When the transmission is in a 2-gear high-load state, the first motor, the second motor, the first synchronizer, the second synchronizer and the third synchronizer work; the first synchronizer is meshed rightwards, the second synchronizer is meshed rightwards, the third synchronizer is meshed rightwards, and the double motors output power simultaneously; the power of the first motor sequentially passes through the first input shaft, the first synchronizer and the second gear; the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the eighth gear and the fourth gear, the power of the double motors is coupled on the first intermediate shaft, and the power of the double motors sequentially passes through the third gear, the seventh gear, the third synchronizer, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a 3-gear low-load state, the second motor, the second synchronizer and the third synchronizer work; the second synchronizer is engaged to the right, and the third synchronizer is engaged to the right; and the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the eighth gear, the fourth gear, the first intermediate shaft, the third gear, the seventh gear, the third synchronizer, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a load state in the gear 3, the first motor and the first synchronizer work; the first synchronizer is engaged to the left; and the power of the first motor sequentially passes through the first input shaft, the first synchronizer, the first gear, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a 3-gear high-load state, the first motor, the second motor, the first synchronizer, the second synchronizer and the third synchronizer work; the first synchronizer is meshed leftwards, the second synchronizer is meshed rightwards, the third synchronizer is meshed rightwards, and the double motors output power simultaneously; the power of the first motor sequentially passes through the first input shaft, the first synchronizer and the first gear; the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the eighth gear, the fourth gear, the first intermediate shaft, the third gear, the seventh gear, the third synchronizer and the second intermediate shaft, the power of the double motors is coupled at the fifth gear, and the power of the double motors sequentially passes through the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a 4-gear low-load state, the second motor, the second synchronizer and the third synchronizer work; the second synchronizer is meshed leftwards, the third synchronizer is meshed leftwards, and the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the seventh gear, the third gear, the first intermediate shaft, the second gear, the sixth gear, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a 4-gear middle load state, the first motor and the first synchronizer work; the first synchronizer is engaged to the left; and the power of the first motor sequentially passes through the first input shaft, the first synchronizer, the first gear, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a 4-gear high-load state, the first motor, the second motor, the first synchronizer, the second synchronizer and the third synchronizer work; the first synchronizer is meshed leftwards, the second synchronizer is meshed leftwards, the third synchronizer is meshed leftwards, and the double motors output power simultaneously; the power of the first motor sequentially passes through the first input shaft, the first synchronizer and the first gear; the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the seventh gear, the third gear, the first intermediate shaft, the second gear, the sixth gear and the second intermediate shaft, the power of the double motors is coupled at the fifth gear, and the power of the double motors sequentially passes through the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a 5-gear low-load state, the second motor, the second synchronizer and the third synchronizer work; the second synchronizer is meshed leftwards, the third synchronizer is meshed leftwards, and the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the seventh gear, the third gear, the first intermediate shaft, the second gear, the sixth gear, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a load state in a 5-gear range, the first motor, the first synchronizer and the third synchronizer work; the first synchronizer is engaged to the right, and the third synchronizer is engaged to the left; the power of the first motor sequentially passes through the first input shaft, the first synchronizer, the second gear, the sixth gear, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft, and is finally output by the output end.
When the transmission is in a 5-gear high-load state, the first motor, the second motor, the first synchronizer, the second synchronizer and the third synchronizer work; the first synchronizer is meshed rightwards, the second synchronizer is meshed leftwards, the third synchronizer is meshed leftwards, and the double motors output power simultaneously; the power of the first motor sequentially passes through the first input shaft and the first synchronizer; the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the seventh gear, the third gear and the first intermediate shaft, the power of the double motors is coupled at the second gear, and the power of the double motors sequentially passes through the sixth gear, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a 6-gear low-load state, the second motor, the second synchronizer and the third synchronizer work; the second synchronizer is meshed rightwards, the third synchronizer is meshed leftwards, and the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the eighth gear, the fourth gear, the first intermediate shaft, the second gear, the sixth gear, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
When the transmission is in a load state in the 6-gear, the first motor, the first synchronizer and the third synchronizer work; the first synchronizer is engaged to the right, and the third synchronizer is engaged to the left; the power of the first motor sequentially passes through the first input shaft, the first synchronizer, the second gear, the sixth gear, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft, and is finally output by the output end.
When the transmission is in a 6-gear high-load state, the first motor, the second motor, the first synchronizer, the second synchronizer and the third synchronizer work; the first synchronizer is meshed rightwards, the second synchronizer is meshed rightwards, the third synchronizer is meshed leftwards, and the double motors output power simultaneously; the power of the first motor sequentially passes through the first input shaft and the first synchronizer; the power of the second motor sequentially passes through the second input shaft, the second synchronizer, the eighth gear, the fourth gear and the first intermediate shaft, the power of the double motors is coupled at the second gear, and the power of the double motors sequentially passes through the sixth gear, the second intermediate shaft, the fifth gear, the ninth gear and the output shaft and is finally output by the output end.
The invention has the following beneficial effects:
1. the transmission has the advantages that through reasonable arrangement of the gears and the synchronizers, the transmission is compact in structure, the gear mechanism reuse rate is high, and six power gear shifting gears are provided by adopting nine gears and three synchronizers;
2. the invention has simple structure, good processing technology and low production cost;
3. each gear is divided into three working modes, and the gears are freely switched according to loads, so that the optimal utilization of energy can be realized on the premise of ensuring the dynamic property;
4. according to the invention, when all gears are switched, no power is interrupted, and power shifting of all gears can be realized.
Drawings
FIG. 1 is a simplified drive diagram of a two-motor, three-mode, six-speed transmission according to the present invention;
FIG. 2 is a power flow diagram of the present invention 1 in low, medium, and high load conditions;
FIG. 3 is a power flow diagram of the present invention in 2-gear low, medium, and high load conditions;
FIG. 4 is a power flow diagram of the present invention in 3-gear low, medium, and high load conditions;
FIG. 5 is a power flow diagram of the present invention in 4-gear low, medium, and high load conditions;
FIG. 6 is a power flow diagram of the present invention in a 5-gear low, medium, and high load condition;
fig. 7 is a power flow diagram of the present invention in 6 gear low, medium, and high load conditions.
Wherein: 101-a first motor; 102-a second electric machine; 103-an output terminal; 200-a transmission module; 201-a first gear; 202-a second gear; 203-third gear; 204-fourth gear; 205-fifth gear; 206-sixth gear; 207-seventh gear; 208-eighth gear; 209-ninth gear; 210-a first synchronizer; 211-a second synchronizer; 212-a third synchronizer; 213-a first input shaft; 214-a first intermediate shaft; 215-a second intermediate shaft; 216-a third intermediate shaft; 217-second input shaft; 218-output shaft.
Detailed Description
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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
It should be noted that in the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not mean that a device or an element must have a specific orientation, be configured in a specific orientation, and be operated.
Referring to fig. 1, a schematic diagram of a transmission structure of an embodiment of a two-motor three-mode six-speed transmission according to the present invention is shown. The transmission includes a first electric machine 101, a second electric machine 102, an output 103, and a transmission module 200.
The transmission module 200 includes: a first gear 201, a second gear 202, a third gear 203, a fourth gear 204, a fifth gear 205, a sixth gear 206, a seventh gear 207, an eighth gear 208, a ninth gear 209, a first synchronizer 210, a second synchronizer 212, a third synchronizer 211, a first input shaft 213, a first intermediate shaft 214, a second intermediate shaft 215, a third intermediate shaft 216, a second input shaft 217, an output shaft 218;
the arrangement of the transmission module 200 is as follows: the first motor 101, the first gear 201, the second gear 202, the third gear 203, the fourth gear 204, the first synchronizer 210, the first input shaft 213 and the first intermediate shaft 214 are positioned on a first shafting; the second motor 102, the fifth gear 205, the sixth gear 206, the seventh gear 207, the eighth gear 208, the third synchronizer 211, the second synchronizer 212, the second intermediate shaft 215, the third intermediate shaft 216 and the second input shaft 217 are positioned in a second shaft system; the output end 103, the ninth gear 209 and the output shaft 218 are located in the third shafting.
The connection relationship of the transmission module 200 is: the first motor 101 and the first synchronizer 210 are fixedly connected to the first input shaft 213, and the first gear 201 is sleeved on the input shaft 213; the second gear 202, the third gear 203 and the fourth gear 204 are fixedly connected to a first intermediate shaft 214; the second motor 102 and the second synchronizer 212 are fixedly connected to the second input shaft 217, and the eighth gear 208 is sleeved on the second input shaft 217; the fifth gear 205 and the third synchronizer 211 are fixedly connected to the second intermediate shaft 215, and the sixth gear 206 is hollow in the second intermediate shaft 215; the seventh gear 207 is fixedly connected to the third intermediate shaft 216; the ninth gear 209 and the output end 103 are fixedly connected to the output shaft 218.
The engagement relationship of the transmission module 200 is: the first gear 201 is meshed with a fifth gear 205, the second gear 202 is meshed with a sixth gear 206, the third gear 203 is meshed with a seventh gear 207, and the fourth gear 204 is meshed with an eighth gear 208; the left side of the first synchronizer 210 is meshed with the first gear 201, and the right side of the first synchronizer is meshed with the second gear 202; the left side of the third synchronizer 211 is meshed with the sixth gear 206, and the right side of the third synchronizer is meshed with the seventh gear 207; the second synchronizer 212 is engaged with the seventh gear 207 on the left side and the eighth gear 208 on the right side.
The dual-motor three-mode six-gear transmission comprises six gears, and specifically comprises the following steps:
the 1-gear operating state of the two-motor three-mode six-speed transmission is shown in fig. 2.
Referring to fig. 2(a), when the transmission is in a 1 st gear low load state, the second electric machine 102, the second synchronizer 212 and the third synchronizer 211 are operated; the second synchronizer 212 is engaged to the left, and the third synchronizer 211 is engaged to the right; the power of the second motor 102 passes through the second input shaft 217, the second synchronizer 212, the seventh gear 207, the third synchronizer 211, the second intermediate shaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 2(b), when the transmission is in a load state in the 1-gear, the first electric machine 101, the first synchronizer 210 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged to the right, and the third synchronizer 211 is engaged to the right; the power of the first motor 101 passes through the first input shaft 213, the first synchronizer 210, the second gear 202, the first intermediate shaft 214, the third gear 203, the seventh gear 207, the third synchronizer 211, the second intermediate shaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 2(c), when the transmission is in a high load state of 1 st gear, the first motor 101, the second motor 102, the first synchronizer 210, the second synchronizer 212 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged to the right, the second synchronizer 212 is engaged to the left, the third synchronizer 211 is engaged to the right, and double motors output power simultaneously; the power of the first motor 101 sequentially passes through a first input shaft 213, a first synchronizer 210, a second gear 202, a first intermediate shaft 214 and a third gear 203; the power of the second motor 102 sequentially passes through the second input shaft 217 and the second synchronizer 212, the power of the dual motor is coupled at the seventh gear 207, and the power of the dual motor sequentially passes through the third synchronizer 211, the second intermediate shaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218, and is finally output by the output end 103.
The 2-speed operating state of the two-motor three-mode six-speed transmission is shown in FIG. 3.
Referring to fig. 3(a), when the transmission is in the 2 nd gear low load state, the second electric machine 102, the second synchronizer 212 and the third synchronizer 211 are operated; the second synchronizer 212 is engaged to the right, and the third synchronizer 211 is engaged to the right; the power of the second motor 102 passes through the second input shaft 217, the second synchronizer 212, the eighth gear 208, the fourth gear 204, the first countershaft 214, the third gear 203, the seventh gear 207, the third synchronizer 211, the second countershaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 3(b), when the transmission is in the load state in the 2 nd gear, the first electric machine 101, the first synchronizer 210 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged to the right, and the third synchronizer 211 is engaged to the right; the power of the first motor 101 sequentially passes through a first input shaft 213, a first synchronizer 210, a second gear 202, a first intermediate shaft 214, a third gear 203, a seventh gear 207, a third synchronizer 211, a second intermediate shaft 215, a fifth gear 205, a ninth gear 209 and an output shaft 218, and is finally output by an output end 103.
Referring to fig. 3(c), when the transmission is in a high load state of 2-gear, the first motor 101, the second motor 102, the first synchronizer 210, the second synchronizer 212 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged to the right, the second synchronizer 212 is engaged to the right, the third synchronizer 211 is engaged to the right, and double motors output power simultaneously; the power of the first motor 101 sequentially passes through the first input shaft 213, the first synchronizer 210 and the second gear 202; the power of the second motor 102 sequentially passes through the second input shaft 217, the second synchronizer 212, the eighth gear 208 and the fourth gear 204, the power of the dual motors is coupled at the first intermediate shaft 214, and the power of the dual motors sequentially passes through the third gear 203, the seventh gear 207, the third synchronizer 211, the second intermediate shaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218, and is finally output by the output end 103.
The 3-speed operating state of the two-motor three-mode six-speed transmission is shown in FIG. 4.
Referring to fig. 4(a), when the transmission is in the 3-gear low load state, the second electric machine 102, the second synchronizer 212 and the third synchronizer 211 are operated; the second synchronizer 212 is engaged to the right, and the third synchronizer 211 is engaged to the right; the power of the second motor 102 passes through the second input shaft 217, the second synchronizer 212, the eighth gear 208, the fourth gear 204, the first countershaft 214, the third gear 203, the seventh gear 207, the third synchronizer 211, the second countershaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 4(b), when the transmission is in the 3-gear medium load state, the first motor 101, the first synchronizer 210 and the first synchronizer 210 are engaged to the left; the power of the first motor 101 passes through the first input shaft 213, the first synchronizer 210, the first gear 201, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 4(c), when the transmission is in a high load state of 3-gear, the first motor 101, the second motor 102, the first synchronizer 210, the second synchronizer 212 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged leftwards, the second synchronizer 212 is engaged rightwards, the third synchronizer 211 is engaged rightwards, and double motors output power simultaneously; the power of the first motor 101 sequentially passes through the first input shaft 213, the first synchronizer 210 and the first gear 201; the power of the second motor 102 sequentially passes through a second input shaft 217, a second synchronizer 212, an eighth gear 208, a fourth gear 204, a first intermediate shaft 214, a third gear 203, a seventh gear 207, a third synchronizer 211 and a second intermediate shaft 215, the power of the double motors is coupled at the fifth gear 205, and the power of the double motors sequentially passes through a ninth gear 209 and an output shaft 218 and is finally output by the output end 103.
The 4-speed operating state of the two-motor three-mode six-speed transmission is shown in FIG. 5.
Referring to fig. 5(a), when the transmission is in the 4-gear low load state, the second electric machine 102, the second synchronizer 212 and the third synchronizer 211 are operated; the second synchronizer 212 is engaged to the left, the third synchronizer 211 is engaged to the left; the power of the second motor 102 passes through the second input shaft 217, the second synchronizer 212, the seventh gear 207, the third gear 203, the first countershaft 214, the second gear 202, the sixth gear 206, the second countershaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 5(b), when the transmission is in a 4-gear medium-load state, the first motor 101 and the first synchronizer 210 are operated; the first synchronizer 210 is engaged to the left; the power of the first motor 101 passes through the first input shaft 213, the first synchronizer 210, the first gear 201, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 5(c), when the two-motor three-mode six-speed transmission is in a 4-speed high load state, the first motor 101, the second motor 102, the first synchronizer 210, the second synchronizer 212 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged leftwards, the second synchronizer 212 is engaged leftwards, the third synchronizer 211 is engaged leftwards, and double motors output power simultaneously; the power of the first motor 101 sequentially passes through a first input shaft 213, a first synchronizer 210 and a first gear 201; the power of the second motor 102 sequentially passes through a second input shaft 217, a second synchronizer 212, a seventh gear 207, a third gear 203, a first intermediate shaft 214, a second gear 202, a sixth gear 206 and a second intermediate shaft 215, the power of the dual motor is coupled at the fifth gear 205, and the power of the dual motor sequentially passes through a ninth gear 209 and an output shaft 218 and is finally output by the output end 103.
The 5-speed operating state of the two-motor three-mode six-speed transmission is shown in FIG. 6.
Referring to fig. 6(a), when the transmission is in the 5-gear low load state, the second electric machine 102, the second synchronizer 212 and the third synchronizer 211 are operated; the second synchronizer 212 is engaged to the left, the third synchronizer 211 is engaged to the left; the power of the second motor 102 passes through the second input shaft 217, the second synchronizer 212, the seventh gear 207, the third gear 203, the first countershaft 214, the second gear 202, the sixth gear 206, the second countershaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 6(b), when the transmission is in a 5-gear medium load state, the first electric machine 101, the first synchronizer 210 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged to the right and the third synchronizer 211 is engaged to the left; the power of the first motor 101 passes through the first input shaft 213, the first synchronizer 210, the second gear 202, the sixth gear 206, the second intermediate shaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 6(c), when the two-motor three-mode six-speed transmission is in a 5-speed high load state, the first motor 101, the second motor 102, the first synchronizer 210, the second synchronizer 212 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged to the right, the second synchronizer 212 is engaged to the left, the third synchronizer 211 is engaged to the left, and double motors output power simultaneously; the power of the first motor 101 sequentially passes through the first input shaft 213 and the first synchronizer 210; the power of the second motor 102 sequentially passes through the second input shaft 217, the second synchronizer 212, the seventh gear 207, the third gear 203 and the first intermediate shaft 214, the power of the dual motor is coupled at the second gear 202, and the power of the dual motor sequentially passes through the sixth gear 206, the second intermediate shaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218, and is finally output by the output end 103.
The 6-speed operating state of the two-motor three-mode six-speed transmission is shown in FIG. 7.
Referring to fig. 7(a), when the transmission is in the 6 th gear low load state, the second electric machine 102, the second synchronizer 212 and the third synchronizer 211 are operated; the second synchronizer 212 is engaged to the right, and the third synchronizer 211 is engaged to the left; the power of the second motor 102 passes through the second input shaft 217, the second synchronizer 212, the eighth gear 208, the fourth gear 204, the first countershaft 214, the second gear 202, the sixth gear 206, the second countershaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 7(b), when the transmission is in the load state in the 6 th gear, the first electric machine 101, the first synchronizer 210 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged to the right and the third synchronizer 211 is engaged to the left; the power of the first motor 101 passes through the first input shaft 213, the first synchronizer 210, the second gear 202, the sixth gear 206, the second intermediate shaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218 in sequence, and is finally output by the output end 103.
Referring to fig. 7(c), when the two-motor three-mode six-speed transmission is in a 6-speed high load state, the first motor 101, the second motor 102, the first synchronizer 210, the second synchronizer 212 and the third synchronizer 211 are operated; the first synchronizer 210 is engaged to the right, the second synchronizer 212 is engaged to the right, the third synchronizer 211 is engaged to the left, and double motors output power simultaneously; the power of the first motor 101 sequentially passes through the first input shaft 213 and the first synchronizer 210; the power of the second motor 102 sequentially passes through the second input shaft 217, the second synchronizer 212, the eighth gear 208, the fourth gear 204 and the first intermediate shaft 214, the power of the dual motor is coupled at the second gear 202, and the power of the dual motor sequentially passes through the sixth gear 206, the second intermediate shaft 215, the fifth gear 205, the ninth gear 209 and the output shaft 218, and is finally output by the output end 103.
The working elements of each gear of the transmission are shown in table 1:
TABLE 1
| Gear position | Low load | Middle load | High load |
| EM2 | EM1 | EM1+EM2 | |
| 1 | CF | BF | BCF |
| 2 | DF | BF | BDF |
| 3 | DF | A | ADF |
| 4 | CE | A | ACE |
| 5 | CE | BE | BCE |
| 6 | DE | BE | BDE |
The transmission realizes the transmission without power interruption in a mode of shifting through one motor and transmitting power through the other motor; a shift requires that the synchronizers disengage without torque and engage without a difference in rotational speed. The mode switching process and the shift process will be described below with an example of a 1 st gear low load to 1 st gear medium load and a 3 rd gear low load to 4 th gear low load.
1, low load of the gear 1 is converted into a load in the gear 1:
before the mode switching, the transmission works under the working condition of 1-gear low load, the second motor 102 runs, the first motor 101 increases the rotating speed, and when the rotating speed of the first input shaft 213 is the same as that of the first intermediate shaft 214, the first synchronizer 210 is engaged to the right; in the mode switching process, the torque of the second motor 102 is reduced, and simultaneously the torque of the first motor 101 is increased until the torque of the second motor 102 is reduced to zero, and the first motor 101 completely outputs power; after the mode is switched, the second synchronizer 212 is disconnected, and the entire process realizes the conversion of the working mode without power interruption.
The process of converting the 3-gear low load into the 4-gear low load comprises the following steps:
before shifting, the transmission works under a 3-gear low-load working condition, the second motor 102 runs, the first motor 101 increases the rotating speed, and when the rotating speed of the first input shaft 213 is the same as that of the first gear 201, the first synchronizer 210 is meshed to the left; a gear shifting process, wherein the torque of the second electric machine 102 is reduced while the torque of the first electric machine 101 is increased until the torque of the second electric machine 102 is reduced to zero, and the power is completely output by the first electric machine 101, at this time, the second synchronizer 212 and the third synchronizer 211 are disconnected, the rotating speed of the second electric machine 102 is increased, when the rotating speeds of the second input shaft 217 and the third intermediate shaft 216 are the same, the second synchronizer 212 is engaged to the left, when the rotating speeds of the second intermediate shaft 215 and the sixth gear 206 are the same, the third synchronizer 211 is engaged to the left, and the torque of the second electric machine 102 is increased while the torque of the first electric machine 101 is reduced until the torque of the first electric machine 101 is reduced to zero; after the gear shifting, the first synchronizer 210 is disconnected, and the entire process realizes the non-power-interruption gear shifting.
The other gear power shift processes and mode switching processes are similar to the shift process described above.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (2)
1. The utility model provides a six keep off derailleur of bi-motor three-mode which characterized in that: the transmission comprises a first electric machine (101), a second electric machine (102), an output (103) and a transmission module (200);
the transmission module (200) comprises: a first gear (201), a second gear (202), a third gear (203), a fourth gear (204), a fifth gear (205), a sixth gear (206), a seventh gear (207), an eighth gear (208), a ninth gear (209), a first synchronizer (210), a second synchronizer (212), a third synchronizer (211), a first input shaft (213), a first intermediate shaft (214), a second intermediate shaft (215), a third intermediate shaft (216), a second input shaft (217) and an output shaft (218);
the first motor (101), the first gear (201), the second gear (202), the third gear (203), the fourth gear (204), the first synchronizer (210), the first input shaft (213) and the first intermediate shaft (214) are positioned on a first shafting; the second motor (102), the fifth gear (205), the sixth gear (206), the seventh gear (207), the eighth gear (208), the third synchronizer (211), the second synchronizer (212), the second intermediate shaft (215), the third intermediate shaft (216) and the second input shaft (217) are positioned in a second shaft system; the output end (103), the ninth gear (209) and the output shaft (218) are positioned in a third shaft system;
the first motor (101) and the first synchronizer (210) are fixedly connected to the first input shaft (213), and the first gear (201) is sleeved on the first input shaft (213) in an empty mode; the second gear (202), the third gear (203) and the fourth gear (204) are fixedly connected to a first intermediate shaft (214); the second motor (102) and the second synchronizer (212) are fixedly connected to the second input shaft (217), and the eighth gear (208) is sleeved on the second input shaft (217) in a hollow manner; the fifth gear (205) and the third synchronizer (211) are fixedly connected to the second intermediate shaft (215), and the sixth gear (206) is sleeved on the second intermediate shaft (215); the seventh gear (207) is fixedly connected to the third intermediate shaft (216); the ninth gear (209) and the output end (103) are fixedly connected to the output shaft (218);
the first gear (201) is meshed with a fifth gear (205), the second gear (202) is meshed with a sixth gear (206), the third gear (203) is meshed with a seventh gear (207), and the fourth gear (204) is meshed with an eighth gear (208); the left side of the first synchronizer (210) is meshed with the first gear (201), and the right side of the first synchronizer is meshed with the second gear (202); the left side of the third synchronizer (211) is meshed with a sixth gear (206), and the right side of the third synchronizer is meshed with a seventh gear (207); the left side of the second synchronizer (212) is meshed with the seventh gear (207), and the right side of the second synchronizer is meshed with the eighth gear (208).
The first motor (101) is in transmission connection with the input end of the first input shaft (213), and the second motor (102) is in transmission connection with the input end of the second input shaft (217).
2. The two-motor, three-mode, six-speed transmission of claim 1, wherein:
when the transmission is in a 1-gear low load state, the second motor (102), the second synchronizer (212) and the third synchronizer (211) work; the second synchronizer (212) is engaged to the left and the third synchronizer (211) is engaged to the right; the power of the second motor (102) sequentially passes through a second input shaft (217), a second synchronizer (212), a seventh gear (207), a third synchronizer (211), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218), and is finally output by an output end (103).
When the transmission is in a load state in the 1 gear, the first motor (101), the first synchronizer (210) and the third synchronizer (211) work; the first synchronizer (210) is engaged to the right, and the third synchronizer (211) is engaged to the right; the power of the first motor (101) sequentially passes through a first input shaft (213), a first synchronizer (210), a second gear (202), a first intermediate shaft (214), a third gear (203), a seventh gear (207), a third synchronizer (211), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218), and is finally output by an output end (103).
When the transmission is in a 1-gear high-load state, the first motor (101), the second motor (102), the first synchronizer (210), the second synchronizer (212) and the third synchronizer (211) work; the first synchronizer (210) is meshed to the right, the second synchronizer (212) is meshed to the left, the third synchronizer (211) is meshed to the right, and the double motors output power simultaneously; the power of the first motor (101) sequentially passes through a first input shaft (213), a first synchronizer (210), a second gear (202), a first intermediate shaft (214) and a third gear (203); the power of the second motor (102) sequentially passes through the second input shaft (217) and the second synchronizer (212), the power of the double motors is coupled at the seventh gear (207), and the power of the double motors sequentially passes through the third synchronizer (211), the second intermediate shaft (215), the fifth gear (205), the ninth gear (209) and the output shaft (218) and is finally output by the output end (103).
When the transmission is in a 2-gear low load state, the second motor (102), the second synchronizer (212) and the third synchronizer (211) work; the second synchronizer (212) is engaged to the right, and the third synchronizer (211) is engaged to the right; the power of the second motor (102) passes through a second input shaft (217), a second synchronizer (212), an eighth gear (208), a fourth gear (204), a first intermediate shaft (214), a third gear (203), a seventh gear (207), a third synchronizer (211), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218) in sequence, and is finally output by an output end (103).
When the transmission is in a load state in the 2-gear, the first motor (101), the first synchronizer (210) and the third synchronizer (211) work; the first synchronizer (210) is engaged to the right, and the third synchronizer (211) is engaged to the right; the power of the first motor (101) sequentially passes through a first input shaft (213), a first synchronizer (210), a second gear (202), a first intermediate shaft (214), a third gear (203), a seventh gear (207), a third synchronizer (211), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218), and is finally output by an output end (103).
When the transmission is in a 2-gear high-load state, the first motor (101), the second motor (102), the first synchronizer (210), the second synchronizer (212) and the third synchronizer (211) work; the first synchronizer (210) is meshed rightwards, the second synchronizer (212) is meshed rightwards, the third synchronizer (211) is meshed rightwards, and the double motors output power simultaneously; the power of the first motor (101) passes through the first input shaft (213), the first synchronizer (210) and the second gear (202) in sequence; the power of the second motor (102) sequentially passes through a second input shaft (217), a second synchronizer (212), an eighth gear (208) and a fourth gear (204), the power of the double motors is coupled on a first intermediate shaft (214), and the power of the double motors sequentially passes through a third gear (203), a seventh gear (207), a third synchronizer (211), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218) and is finally output by an output end (103).
When the transmission is in a 3-gear low load state, the second motor (102), the second synchronizer (212) and the third synchronizer (211) work; the second synchronizer (212) is engaged to the right, and the third synchronizer (211) is engaged to the right; the power of the second motor (102) passes through a second input shaft (217), a second synchronizer (212), an eighth gear (208), a fourth gear (204), a first intermediate shaft (214), a third gear (203), a seventh gear (207), a third synchronizer (211), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218) in sequence, and is finally output by an output end (103).
When the transmission is in a 3-gear middle load state, the first motor (101) and the first synchronizer (210) work; the first synchronizer (210) is engaged to the left; the power of the first motor (101) sequentially passes through a first input shaft (213), a first synchronizer (210), a first gear (201), a fifth gear (205), a ninth gear (209) and an output shaft (218), and is finally output by an output end (103).
When the transmission is in a 3-gear high-load state, the first motor (101), the second motor (102), the first synchronizer (210), the second synchronizer (212) and the third synchronizer (211) work; the first synchronizer (210) is meshed leftwards, the second synchronizer (212) is meshed rightwards, the third synchronizer (211) is meshed rightwards, and the double motors output power simultaneously; the power of the first motor (101) sequentially passes through a first input shaft (213), a first synchronizer (210) and a first gear (201); the power of the second motor (102) sequentially passes through a second input shaft (217), a second synchronizer (212), an eighth gear (208), a fourth gear (204), a first intermediate shaft (214), a third gear (203), a seventh gear (207), a third synchronizer (211) and a second intermediate shaft (215), the power of the double motors is coupled at the fifth gear (205), and the power of the double motors sequentially passes through a ninth gear (209) and an output shaft (218) and is finally output by an output end (103).
When the transmission is in a 4-gear low-load state, the second motor (102), the second synchronizer (212) and the third synchronizer (211) work; the second synchronizer (212) is meshed leftwards, the third synchronizer (211) is meshed leftwards, and the power of the second motor (102) sequentially passes through the second input shaft (217), the second synchronizer (212), the seventh gear (207), the third gear (203), the first intermediate shaft (214), the second gear (202), the sixth gear (206), the second intermediate shaft (215), the fifth gear (205), the ninth gear (209) and the output shaft (218) and is finally output by the output end (103).
When the transmission is in a 4-gear middle load state, the first motor (101) and the first synchronizer (210) work; the first synchronizer (210) is engaged to the left; the power of the first motor (101) sequentially passes through a first input shaft (213), a first synchronizer (210), a first gear (201), a fifth gear (205), a ninth gear (209) and an output shaft (218), and is finally output by an output end (103).
When the transmission is in a 4-gear high-load state, the first motor (101), the second motor (102), the first synchronizer (210), the second synchronizer (212) and the third synchronizer (211) work; the first synchronizer (210) is meshed leftwards, the second synchronizer (212) is meshed leftwards, the third synchronizer (211) is meshed leftwards, and the double motors output power simultaneously; the power of the first motor (101) sequentially passes through a first input shaft (213), a first synchronizer (210) and a first gear (201); the power of the second motor (102) sequentially passes through a second input shaft (217), a second synchronizer (212), a seventh gear (207), a third gear (203), a first intermediate shaft (214), a second gear (202), a sixth gear (206) and a second intermediate shaft (215), the power of the double motors is coupled at the fifth gear (205), and the power of the double motors sequentially passes through a ninth gear (209) and an output shaft (218) and is finally output by an output end (103).
When the transmission is in a 5-gear low-load state, the second motor (102), the second synchronizer (212) and the third synchronizer (211) work; the second synchronizer (212) is meshed leftwards, the third synchronizer (211) is meshed leftwards, and the power of the second motor (102) sequentially passes through the second input shaft (217), the second synchronizer (212), the seventh gear (207), the third gear (203), the first intermediate shaft (214), the second gear (202), the sixth gear (206), the second intermediate shaft (215), the fifth gear (205), the ninth gear (209) and the output shaft (218) and is finally output by the output end (103).
When the transmission is in a 5-gear middle load state, the first motor (101), the first synchronizer (210) and the third synchronizer (211) work; the first synchronizer (210) is engaged to the right and the third synchronizer (211) is engaged to the left; the power of the first motor (101) sequentially passes through a first input shaft (213), a first synchronizer (210), a second gear (202), a sixth gear (206), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218), and is finally output by an output end (103).
When the transmission is in a 5-gear high-load state, the first motor (101), the second motor (102), the first synchronizer (210), the second synchronizer (212) and the third synchronizer (211) work; the first synchronizer (210) is meshed rightwards, the second synchronizer (212) is meshed leftwards, the third synchronizer (211) is meshed leftwards, and the double motors output power simultaneously; the power of the first motor (101) passes through a first input shaft (213) and a first synchronizer (210) in sequence; the power of the second motor (102) sequentially passes through a second input shaft (217), a second synchronizer (212), a seventh gear (207), a third gear (203) and a first intermediate shaft (214), the power of the double motors is coupled at the second gear (202), and the power of the double motors sequentially passes through a sixth gear (206), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218) and is finally output by an output end (103).
When the transmission is in a 6-gear low load state, the second motor (102), the second synchronizer (212) and the third synchronizer (211) work; the second synchronizer (212) is meshed rightward, the third synchronizer (211) is meshed leftward, and power of the second motor (102) sequentially passes through the second input shaft (217), the second synchronizer (212), the eighth gear (208), the fourth gear (204), the first intermediate shaft (214), the second gear (202), the sixth gear (206), the second intermediate shaft (215), the fifth gear (205), the ninth gear (209) and the output shaft (218) and is finally output by the output end (103).
When the transmission is in a load state in the 6 th gear, the first motor (101), the first synchronizer (210) and the third synchronizer (211) work; the first synchronizer (210) is engaged to the right and the third synchronizer (211) is engaged to the left; the power of the first motor (101) sequentially passes through a first input shaft (213), a first synchronizer (210), a second gear (202), a sixth gear (206), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218), and is finally output by an output end (103).
When the transmission is in a 6-gear high-load state, the first motor (101), the second motor (102), the first synchronizer (210), the second synchronizer (212) and the third synchronizer (211) work; the first synchronizer (210) is meshed rightwards, the second synchronizer (212) is meshed rightwards, the third synchronizer (211) is meshed leftwards, and the double motors output power simultaneously; the power of the first motor (101) passes through a first input shaft (213) and a first synchronizer (210) in sequence; the power of the second motor (102) sequentially passes through a second input shaft (217), a second synchronizer (212), an eighth gear (208), a fourth gear (204) and a first intermediate shaft (214), the power of the double motors is coupled at the second gear (202), and the power of the double motors sequentially passes through a sixth gear (206), a second intermediate shaft (215), a fifth gear (205), a ninth gear (209) and an output shaft (218) and is finally output by an output end (103).
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