CN109733173B - Electric automobile second grade vibration isolation power assembly suspension - Google Patents
Electric automobile second grade vibration isolation power assembly suspension Download PDFInfo
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- CN109733173B CN109733173B CN201910214311.0A CN201910214311A CN109733173B CN 109733173 B CN109733173 B CN 109733173B CN 201910214311 A CN201910214311 A CN 201910214311A CN 109733173 B CN109733173 B CN 109733173B
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- 239000000725 suspension Substances 0.000 title claims abstract description 232
- 238000002955 isolation Methods 0.000 title claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims 1
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 230000002860 competitive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to a suspension system of a secondary vibration isolation power assembly of an electric automobile, which comprises a speed reducer and a motor, wherein the speed reducer and the motor form the power assembly, the power assembly is arranged on a frame through the suspension system, the suspension system comprises a left suspension, a right suspension bracket, a right suspension, a rear suspension bracket, a left suspension bracket, a rear suspension and a left suspension bracket, the left suspension is arranged on the left side of the power assembly, the right suspension is arranged on the right side of the power assembly, the left suspension and the right suspension are arranged in bilateral symmetry, the rear suspension is arranged on the rear side of the power assembly, the left suspension, the right suspension and the rear suspension are all connected on the frame, the left suspension is connected to the power assembly through the left suspension bracket, the right suspension is connected to the power assembly through the right suspension bracket, and the rear suspension is connected to the power assembly through the rear suspension bracket; compared with the prior art, the high-frequency dynamic stiffness of the suspension system of the automobile power assembly can be effectively reduced, the high-frequency vibration isolation performance is improved, and the high-frequency vibration and high-frequency noise of the electric automobile are improved.
Description
[ technical field ]
The invention relates to the technical field of automobile parts, in particular to a suspension system of a secondary vibration isolation power assembly of an electric automobile.
[ background Art ]
The powertrain suspension system is a component part of an automobile that mounts the powertrain to the body and frame. The power assembly suspension system supports the power assembly, isolates vibration and noise of the power assembly from being transmitted to the passenger cabin, reduces the vibration and noise of the power assembly, manages acting force and movement displacement of the power assembly under various working conditions, and provides good NVH performance and driving performance for drivers and passengers. Currently, there is a conflict that customers have higher and higher requirements on vibration and noise performance of automobiles and technology promotion and cost increase of automobile enterprises are required. Meanwhile, due to the strong competition in the market, the motor has urgent demands on cost reduction, light weight and performance improvement, and the problems of high-frequency vibration and high-frequency noise of the motor are outstanding. There are various optimization schemes for this problem: such as optimizing the internal structure of the motor; a sound insulation cover is added on the outer side of the motor; a secondary vibration isolation power assembly suspension system and the like are adopted.
At present, the country supports the development of the electric automobile industry, a motor replaces a traditional engine, and the development of the suspension design of the power assembly of the electric automobile is also required to be innovated. Many electric automobile suspensions in the market today are developed based on engine suspension, and it is difficult to ensure that the performance, weight and cost of parts are sufficiently competitive. In addition, electric automobiles in the market generally have the defects of strong impact feeling in the automobile, poor comfort and high-frequency noise under certain working conditions, and the defects are caused by the immature power assembly calibration technology and power assembly suspension technology.
[ summary of the invention ]
The invention aims to solve the defects and provide the secondary vibration isolation power assembly suspension system of the electric automobile, which can effectively reduce the high-frequency dynamic stiffness of the power assembly suspension system of the automobile, improve the high-frequency vibration isolation performance and improve the high-frequency vibration and high-frequency noise of the electric automobile.
In order to achieve the above purpose, an electric automobile secondary vibration isolation power assembly suspension system is designed, which comprises a left suspension 10, a speed reducer 20, a motor 30, a right suspension bracket 40, a right suspension 50, a frame 60, a rear suspension bracket 70, a rear suspension 80 and a left suspension bracket 90, wherein the speed reducer 20 is connected with the output end of the motor 30, the speed reducer 20 and the motor 30 form a power assembly, the power assembly is arranged on the frame 60 through a suspension system, the suspension system comprises a left suspension 10, a right suspension bracket 40, a right suspension 50, a rear suspension bracket 70, a rear suspension 80 and a left suspension bracket 90, the left suspension 10 is arranged on the left side of the power assembly, the right suspension 50 is arranged on the right side of the power assembly, the left suspension 10, the right suspension 50 and the rear suspension 80 are all connected on the frame 60, the left suspension 10 is connected to the power assembly through the left suspension bracket 90, the right suspension 50 is connected to the rear suspension bracket 70 through a bolt and the left suspension bracket 80, and the right suspension bracket 50 is connected to the rear suspension bracket 70 through the left suspension bracket 80 through a left suspension bracket and a right suspension bracket 40, and a left suspension bracket 80 is connected between the left suspension bracket and the right suspension bracket 80 through a left suspension bracket 80 and the left suspension bracket 80.
Further, the left suspension 10 includes a first base 12, and a first bushing 13, a second bushing 14, and a third bushing 15 embedded in the first base 12, where the first bushing 13 is disposed at a center of the first base 12, the second bushing 14 and the third bushing 15 are symmetrically disposed on left and right sides of the first bushing 13, axes of the first bushing 13, the second bushing 14, and the third bushing 15 are parallel to each other, dimensions of the second bushing 14 and the third bushing 15 are the same, and outer diameters of the second bushing 14 and the third bushing 15 are smaller than outer diameters of the first bushing 13.
Further, the right suspension 50 includes a second base 52, and a fourth bush 53, a fifth bush 54, and a sixth bush 55 embedded in the second base 52, where the fourth bush 53 is disposed at a center portion of the second base 52, the fifth bush 54 and the sixth bush 55 are symmetrically disposed on left and right sides of the second bush 14, axes of the fourth bush 53, the fifth bush 54, and the sixth bush 55 are parallel to each other, the fifth bush 54 and the sixth bush 55 are the same in size, and outer diameters of the fifth bush 54 and the sixth bush 55 are smaller than outer diameters of the fourth bush 53.
Further, the rear suspension 80 includes a third base 82 and a seventh bush 83, an eighth bush 84 and a ninth bush 85 embedded in the third base 82, the section of the third base 82 is in an L-shaped structure, the seventh bush 83 is arranged on a vertical frame plate of the third base 82, the eighth bush 84 and the ninth bush 85 are arranged on a horizontal bottom plate of the third base 82, axes of the seventh bush 83, the eighth bush 84 and the ninth bush 85 are parallel to each other, the eighth bush 84 and the ninth bush 85 are identical in size and have the same axis, the axis of the seventh bush 83 is higher than the axes of the eighth bush 84 and the ninth bush 85, and the outer diameters of the eighth bush 84 and the ninth bush 85 are smaller than the outer diameters of the seventh bush 83.
Further, the left suspension 10 is connected to the left suspension bracket 90 by a first bolt 11 at the center of a first bushing 13, the right suspension 50 is connected to the right suspension bracket 40 by a second bolt 51 at the center of a fourth bushing 53, and the rear suspension 80 is connected to the rear suspension bracket 70 by a third bolt 81 at the center of a seventh bushing 83.
Further, the left suspension 10 and the right suspension 50 are both installed above the frame 60, the rear suspension 80 is installed below the frame 60, and the upper surface of the horizontal bottom plate of the third body 82 of the rear suspension 80 is connected with the bottom plate of the frame 60.
Compared with the prior art, the high-frequency vibration isolation device has the advantages that the structure is novel, the design is reasonable, the high-frequency dynamic stiffness of a power assembly suspension system can be effectively reduced, the high-frequency vibration isolation performance is improved, the high-frequency vibration and high-frequency noise of an electric automobile are improved, the low-frequency vibration isolation performance of the two-stage vibration isolation system is better than that of the traditional suspension, the problems that the motor generates higher high-frequency vibration and high-frequency noise due to higher motor rotating speed, other working principles of the motor and the like in the traditional suspension system, the high-frequency vibration isolation performance is poor due to the inherent characteristic of high-frequency hardening of the common rubber suspension are solved, and the popularization and the application are worth.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a second schematic diagram of the structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of a left suspension and a left suspension bracket according to the present invention;
FIG. 5 is a schematic diagram of a left suspension and a left suspension bracket according to the present invention;
FIG. 6 is a schematic diagram of a right suspension and a right suspension bracket according to the present invention;
FIG. 7 is a schematic diagram of a right suspension and a right suspension bracket according to the present invention;
FIG. 8 is a schematic view of a rear suspension and a rear suspension bracket according to the present invention;
FIG. 9 is a schematic diagram of a rear suspension and a rear suspension bracket according to the present invention;
in the figure: 10. left suspension 11, bolt one 12, base one 13, bushing one 14, bushing two 15, bushing three 20, speed reducer 30, motor 40, right suspension bracket 50, right suspension 51, bolt two 52, base two 53, bushing four 54, bushing five 55, bushing six 60, frame 70, rear suspension bracket 80, rear suspension 81, bolt three 82, base three 83, bushing seven 84, bushing eight 85, bushing nine 90, left suspension bracket.
Detailed description of the preferred embodiments
The invention is further described below with reference to the accompanying drawings:
as shown in the drawings, the present invention includes: the left suspension 10, the speed reducer 20, the motor 30, the right suspension bracket 40, the right suspension 50, the frame 60, the rear suspension bracket 70, the rear suspension 80 and the left suspension bracket 90, the speed reducer 20 is connected with the output end of the motor 30, the speed reducer 20 and the motor 30 form a power assembly, the power assembly is arranged on the frame 60 through a suspension system, the suspension system comprises the left suspension 10, the right suspension bracket 40, the right suspension 50, the rear suspension bracket 70, the rear suspension 80 and the left suspension bracket 90, the left suspension 10 is arranged on the left side of the power assembly, the right suspension 50 is arranged on the right side of the power assembly, the left suspension 10 and the right suspension 50 are symmetrically arranged left and right, the rear suspension 80 is arranged on the rear side of the power assembly, the left suspension 10, the right suspension 50 and the rear suspension 80 are all connected to the frame 60 through the left suspension bracket 90, the right suspension 50 is connected to the power assembly through the right suspension bracket 40, the rear suspension 80 is connected to the power assembly through the rear suspension bracket 70, and the left suspension 10 and the right suspension bracket 90 are respectively connected with the rear suspension 50, the rear suspension 80 and the rear suspension 50 and the rear suspension 40 are connected with the rear suspension 80 through bolts 11 and the rear suspension bracket 70.
The left suspension 10 includes a first base 12, and a first liner 13, a second liner 14, and a third liner 15 embedded in the first base 12, wherein the first liner 13 is disposed at a center of the first base 12, the second liner 14 and the third liner 15 are symmetrically disposed on left and right sides of the first liner 13, axes of the first liner 13, the second liner 14, and the third liner 15 are parallel to each other, sizes of the second liner 14 and the third liner 15 are the same, and outer diameters of the second liner 14 and the third liner 15 are smaller than outer diameters of the first liner 13. The right suspension 50 comprises a second base body 52, and a fourth bush 53, a fifth bush 54 and a sixth bush 55 which are embedded in the second base body 52, wherein the fourth bush 53 is arranged at the center of the second base body 52, the fifth bush 54 and the sixth bush 55 are symmetrically arranged at the left side and the right side of the second bush 14, the axes of the fourth bush 53, the fifth bush 54 and the sixth bush 55 are parallel to each other, the fifth bush 54 and the sixth bush 55 are identical in size, and the outer diameters of the fifth bush 54 and the sixth bush 55 are smaller than the outer diameter of the fourth bush 53. Rear suspension 80 includes base member three 82 and inlay in the bush seven 83, bush eight 84, bush nine 85 of base member three 82, the cross-section of base member three 82 is L shape structure, bush seven 83 sets up on the perpendicular frame plate of base member three 82, bush eight 84, bush nine 85 set up on the horizontal bottom plate of base member three 82, the axis of bush seven 83, bush eight 84, bush nine 85 is parallel to each other, the size of bush eight 84, bush nine 85 is the same and the axis flushes, the axis of bush seven 83 is higher than the axis of bush eight 84, bush nine 85, the external diameter of bush eight 84, bush nine 85 is less than the external diameter of bush seven 83.
The left suspension 10 is connected to the left suspension bracket 90 by a first bolt 11 at the center of a first bushing 13, the right suspension 50 is connected to the right suspension bracket 40 by a second bolt 51 at the center of a fourth bushing 53, and the rear suspension 80 is connected to the rear suspension bracket 70 by a third bolt 81 at the center of a seventh bushing 83. The left suspension 10 and the right suspension 50 are both arranged above the frame 60, the rear suspension 80 is arranged below the frame 60, and the upper surface of the horizontal bottom plate of the third base 82 of the rear suspension 80 is connected with the bottom plate of the frame 60, so that the high-frequency dynamic stiffness of the power assembly suspension system is reduced, and the high-frequency vibration and high-frequency noise performance of the automobile are improved.
The power assembly suspension system comprises a left suspension, a left suspension bracket, a right suspension, a rear suspension bracket and a rear suspension, wherein the power assembly comprises a speed reducer and a motor, is arranged on a frame through the power assembly suspension system, and is connected through a first bolt, a second bolt and a third bolt. The power assembly suspension system is a three-point suspension system and consists of three points of a left suspension, a right suspension and a rear suspension, and the two-stage vibration isolation system is not limited to the three-point suspension, the four-point suspension or more, but the three-point suspension has the best balance of performance, cost and weight and is most widely adopted. The left suspension is connected with the power assembly to the frame through a left suspension bracket and a bolt, the right suspension is connected with the power assembly to the frame through a right suspension bracket and a bolt, and the rear suspension is connected with the power assembly to the frame through a rear suspension bracket and a bolt.
The invention relates to a novel power assembly suspension secondary vibration isolation system of an electric automobile, wherein vibration is transferred from the power assembly to a frame or is transferred from the frame to the power assembly, and vibration isolation is carried out twice. In the three suspensions, each suspension consists of a large bushing and two small bushings. Compared with the common suspension, the novel suspension has the advantages that the small bushings are added, and the mutual positions of the small bushings are limited, so that high-frequency vibration can be effectively reduced, noise is reduced, and passenger comfort is improved. Because the problems of high-frequency vibration and high-frequency noise of the motor of the electric vehicle are more outstanding, the advantage of secondary vibration isolation is more embodied.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principles of the invention are intended to be equivalent substitutes and are included in the scope of the invention.
Claims (3)
1. The utility model provides an electric automobile second grade vibration isolation power assembly suspension which characterized in that: the power assembly comprises a left suspension (10), a speed reducer (20), a motor (30), a right suspension bracket (40), a right suspension bracket (50), a frame (60), a rear suspension bracket (70), a rear suspension (80) and a left suspension bracket (90), wherein the speed reducer (20) is connected with the output end of the motor (30), the speed reducer (20) and the motor (30) form a power assembly, the power assembly is arranged on the frame (60) through a suspension system, the suspension system comprises the left suspension (10), the right suspension bracket (40), the right suspension bracket (50), the rear suspension bracket (70), the rear suspension bracket (80) and the left suspension bracket (90), the left suspension (10) is arranged on the left side of the power assembly, the right suspension (50) is arranged on the right side of the power assembly, the left suspension (10) and the right suspension (50) are symmetrically arranged left and right, the rear suspension (80) is arranged on the rear side of the power assembly, the left suspension (10), the right suspension (50) and the rear suspension bracket (80) are connected on the frame (60) through the left suspension bracket (70) and the right suspension bracket (80) are connected on the power assembly through the rear suspension bracket (80), the left suspension (10) is connected with the left suspension bracket (90), the right suspension (50) is connected with the right suspension bracket (40) and the rear suspension (80) is connected with the rear suspension bracket (70) through a first bolt (11), a second bolt (51) and a third bolt (81) respectively; the left suspension (10) comprises a first base body (12) and a first bushing (13), a second bushing (14) and a third bushing (15) which are embedded in the first base body (12), wherein the first bushing (13) is arranged at the center of the first base body (12), the second bushing (14) and the third bushing (15) are symmetrically arranged at the left side and the right side of the first bushing (13), the axes of the first bushing (13), the second bushing (14) and the third bushing (15) are parallel to each other, the second bushing (14) and the third bushing (15) are identical in size, and the outer diameters of the second bushing (14) and the third bushing (15) are smaller than the outer diameter of the first bushing (13); the right suspension (50) comprises a second base body (52) and a fourth bushing (53), a fifth bushing (54) and a sixth bushing (55) which are embedded in the second base body (52), wherein the fourth bushing (53) is arranged at the center of the second base body (52), the fifth bushing (54) and the sixth bushing (55) are symmetrically arranged at the left side and the right side of the second bushing (14), the axes of the fourth bushing (53), the fifth bushing (54) and the sixth bushing (55) are parallel to each other, the fifth bushing (54) and the sixth bushing (55) are identical in size, and the outer diameters of the fifth bushing (54) and the sixth bushing (55) are smaller than the outer diameter of the fourth bushing (53); rear suspension (80) include base member three (82) and inlay in bush seven (83), bush eight (84), bush nine (85) of base member three (82), the cross-section of base member three (82) is L shape structure, bush seven (83) set up on the perpendicular frame plate of base member three (82), bush eight (84), bush nine (85) set up on the horizontal bottom plate of base member three (82), the axis of bush seven (83), bush eight (84), bush nine (85) is parallel to each other, the same size of bush eight (84), bush nine (85) just the axis flushes, the axis of bush seven (83) is higher than the axis of bush eight (84), bush nine (85), the external diameter of bush eight (84), bush nine (85) is less than the external diameter of bush seven (83).
2. The electric vehicle secondary vibration isolation powertrain suspension system of claim 1, wherein: the left suspension (10) is connected with the left suspension bracket (90) through a first bolt (11) at the center of a first bushing (13) of the left suspension, the right suspension (50) is connected with the right suspension bracket (40) through a second bolt (51) at the center of a fourth bushing (53) of the right suspension, and the rear suspension (80) is connected with the rear suspension bracket (70) through a third bolt (81) at the center of a seventh bushing (83) of the rear suspension.
3. The electric vehicle secondary vibration isolation powertrain suspension system of claim 2, wherein: the left suspension (10) and the right suspension (50) are both arranged above the frame (60), the rear suspension (80) is arranged below the frame (60), and the upper surface of a horizontal bottom plate of a matrix III (82) of the rear suspension (80) is connected with the bottom plate of the frame (60).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910214311.0A CN109733173B (en) | 2019-03-20 | 2019-03-20 | Electric automobile second grade vibration isolation power assembly suspension |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910214311.0A CN109733173B (en) | 2019-03-20 | 2019-03-20 | Electric automobile second grade vibration isolation power assembly suspension |
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| CN109733173A CN109733173A (en) | 2019-05-10 |
| CN109733173B true CN109733173B (en) | 2024-03-01 |
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| CN201910214311.0A Active CN109733173B (en) | 2019-03-20 | 2019-03-20 | Electric automobile second grade vibration isolation power assembly suspension |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155178B (en) * | 2019-05-29 | 2022-06-07 | 奇瑞商用车（安徽）有限公司 | Full frame type electric vehicle suspension system |
| CN110774879B (en) * | 2019-08-27 | 2021-04-20 | 浙江零跑科技有限公司 | Multistage vibration isolation structure of electricity drive assembly suspension |
| CN110936801B (en) * | 2019-11-22 | 2024-05-14 | 阿尔特汽车技术股份有限公司 | Double-layer vibration isolation suspension system of electric vehicle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58114932U (en) * | 1982-01-30 | 1983-08-05 | トヨタ自動車株式会社 | Vehicle suspension bushing structure |
| JP2000108688A (en) * | 1998-10-06 | 2000-04-18 | Fuji Heavy Ind Ltd | Power unit supporting structure for automobile |
| US6460822B1 (en) * | 2001-05-21 | 2002-10-08 | Kia Motors Corporation | Vehicle engine mount |
| CN203318127U (en) * | 2013-06-14 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Suspension bracket assembly of all-electric car |
| CN205970799U (en) * | 2016-08-03 | 2017-02-22 | 上海汽车集团股份有限公司 | A total device system of power for rearmounted rear -guard pure electric vehicles |
| CN107901747A (en) * | 2017-11-14 | 2018-04-13 | 北京长城华冠汽车技术开发有限公司 | The three-point suspension system and suspension method of preposition forerunner's automobile power assembly |
| CN207241399U (en) * | 2017-09-21 | 2018-04-17 | 比亚迪股份有限公司 | Power assembly of electric automobile suspension system arrangement and electric automobile |
| CN108312823A (en) * | 2018-01-11 | 2018-07-24 | 浙江零跑科技有限公司 | A kind of electronic automobile-used two-stage vibration reduction suspending device |
| CN207772860U (en) * | 2017-10-20 | 2018-08-28 | 宝沃汽车（中国）有限公司 | Dynamic assembly suspension, power assembly system and vehicle |
| CN208530263U (en) * | 2018-06-23 | 2019-02-22 | 河南速达电动汽车科技有限公司 | Electric vehicle and its driving motor mounting assembly |
| CN209795147U (en) * | 2019-03-20 | 2019-12-17 | 麦格纳斯太尔汽车技术（上海）有限公司 | Electric automobile second grade vibration isolation power assembly suspension system |
-
2019
- 2019-03-20 CN CN201910214311.0A patent/CN109733173B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58114932U (en) * | 1982-01-30 | 1983-08-05 | トヨタ自動車株式会社 | Vehicle suspension bushing structure |
| JP2000108688A (en) * | 1998-10-06 | 2000-04-18 | Fuji Heavy Ind Ltd | Power unit supporting structure for automobile |
| US6460822B1 (en) * | 2001-05-21 | 2002-10-08 | Kia Motors Corporation | Vehicle engine mount |
| CN203318127U (en) * | 2013-06-14 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Suspension bracket assembly of all-electric car |
| CN205970799U (en) * | 2016-08-03 | 2017-02-22 | 上海汽车集团股份有限公司 | A total device system of power for rearmounted rear -guard pure electric vehicles |
| CN207241399U (en) * | 2017-09-21 | 2018-04-17 | 比亚迪股份有限公司 | Power assembly of electric automobile suspension system arrangement and electric automobile |
| CN207772860U (en) * | 2017-10-20 | 2018-08-28 | 宝沃汽车（中国）有限公司 | Dynamic assembly suspension, power assembly system and vehicle |
| CN107901747A (en) * | 2017-11-14 | 2018-04-13 | 北京长城华冠汽车技术开发有限公司 | The three-point suspension system and suspension method of preposition forerunner's automobile power assembly |
| CN108312823A (en) * | 2018-01-11 | 2018-07-24 | 浙江零跑科技有限公司 | A kind of electronic automobile-used two-stage vibration reduction suspending device |
| CN208530263U (en) * | 2018-06-23 | 2019-02-22 | 河南速达电动汽车科技有限公司 | Electric vehicle and its driving motor mounting assembly |
| CN209795147U (en) * | 2019-03-20 | 2019-12-17 | 麦格纳斯太尔汽车技术（上海）有限公司 | Electric automobile second grade vibration isolation power assembly suspension system |
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