CN110978977A - Motor assembly suspension structure and suspension system of pure electric vehicle - Google Patents
Motor assembly suspension structure and suspension system of pure electric vehicle Download PDFInfo
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- CN110978977A CN110978977A CN201911414626.6A CN201911414626A CN110978977A CN 110978977 A CN110978977 A CN 110978977A CN 201911414626 A CN201911414626 A CN 201911414626A CN 110978977 A CN110978977 A CN 110978977A
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- 239000000725 suspension Substances 0.000 title claims abstract description 161
- 239000002184 metal Substances 0.000 claims abstract description 98
- 230000000670 limiting effect Effects 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
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- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a motor assembly suspension structure of a pure electric vehicle, belonging to the technical field of electric vehicle structures, wherein the motor assembly suspension structure comprises: the bushing comprises an outer metal framework and an inner metal framework, the inner metal framework is positioned in the outer metal framework, the outer diameter of the inner metal framework is smaller than the inner diameter of the outer metal framework, and a rubber main body is arranged between the outer metal framework and the inner metal framework; the suspension connecting bracket is provided with a mounting hole connected with the motor assembly and is connected with the bushing through an inner metal framework; and the rubber crash pad is positioned between the bushing and the suspension connecting bracket. The motor assembly suspension structure can form an integrated structure with the auxiliary frame, and the suspension connecting bracket has smaller size, thereby greatly saving the occupied space and meeting the space requirement of a compact cabin of an electric vehicle. The suspension arm of the suspension structure of the motor assembly is short, light in weight, high in mode and not prone to resonance, and the NVH performance of the whole vehicle is improved.
Description
Technical Field
The invention relates to the technical field of electric vehicle structures, in particular to a motor assembly suspension structure and a suspension system of a pure electric vehicle.
Background
The pure electric vehicle is taken as an important direction of a new energy vehicle, and is more and more emphasized by various host plants at present, compared with a traditional internal combustion engine and other new energy vehicles, the power assembly of the pure electric vehicle is simpler in structure and more compact in structure, has greater advantages in the aspects of driving torque output, acceleration and the like compared with the traditional power vehicle, but has different requirements on a suspension system due to different configurations and output characteristics of the power assembly. Therefore, when designing a suspension system suitable for an electric machine, the following aspects need to be considered:
firstly, the power output characteristic has quick response, high frequency and large starting torque, the torque is reversed when the braking energy is recovered, and the torque can be changed violently under the working conditions, so that the vehicle impact problem is caused, and the suspension is required to have enough anti-torque limiting capacity.
Secondly, the pure electric vehicle driving motor system is more compact in arrangement, and is usually connected with an auxiliary frame by adopting a suspension, for example, chinese patent CN205768590U, which discloses a suspension structure of an electric vehicle power assembly, as shown in fig. 1 and 2, the power assembly 1 is connected with the auxiliary frame 3 by the suspension structure 2, the suspension structure 2 includes an outer metal assembling ring 4, an inner metal assembling ring 5 is installed in the outer metal assembling ring 4, a rubber ring 6 is installed in the inner metal assembling ring 5, a metal pipe 7 for connecting with the auxiliary frame 3 is installed in the rubber ring 6, and a connecting member 8 for connecting with the power assembly 1 is fixed on the outer surface of the outer metal assembling ring 4; and fillets 9 are arranged at the contact part of the rubber ring 6 and the inner metal assembling ring 5 and the contact part of the rubber ring and the metal pipe 7. Two limiting columns 10 are further arranged at the contact part of the rubber ring 6 and the metal pipe 7.
However, since the cabin of the pure electric vehicle has a limited space, especially in the rear-drive cabin, the floor of the vehicle body is generally low due to the requirement of providing enough floor space for passengers, and the cabin space is narrow in consideration of man-machine requirements, the suspension structure of the power assembly of the electric vehicle of the above patent is difficult to arrange in such a cabin.
Disclosure of Invention
The invention aims to overcome the defect that the power assembly suspension structure of the electric vehicle in the background technology cannot be arranged in a narrow cabin, and provides a motor assembly suspension structure and a suspension system of a pure electric vehicle.
The invention provides a motor assembly suspension structure of a pure electric vehicle, which comprises:
the bushing comprises an outer metal framework and an inner metal framework, the inner metal framework is positioned in the outer metal framework, the outer diameter of the inner metal framework is smaller than the inner diameter of the outer metal framework, and a rubber main body is arranged between the outer metal framework and the inner metal framework;
the suspension connecting bracket is provided with a mounting hole for connecting with the motor assembly and is connected with the bushing through an inner metal framework;
and the rubber anti-collision pad is positioned between the bushing and the suspension connecting bracket.
The preferred scheme is as follows: outer metal framework is circular tubular structure, interior metal framework is circular rod structure, the rubber subject is circular tubular structure, the axis collineation of outer metal framework, interior metal framework and rubber subject, suspension linking bridge passes through interior metal framework and can dismantle with the bush and be connected.
The preferred scheme is as follows: the suspension connecting support is characterized in that a through hole connected with the suspension connecting support is formed in the inner metal framework, the axis of the through hole is collinear with the axis of the inner metal framework, a threaded hole is formed in the suspension connecting support, and a bolt penetrates through the through hole of the inner metal framework and is connected with the threaded hole of the suspension connecting support.
The preferred scheme is as follows: the rubber anti-collision pad is connected between the outer metal framework of the bushing and the suspension connecting support, and is of a circular ring structure.
The preferred scheme is as follows: one end of the outer metal framework is provided with a limiting boss, and the limiting boss extends outwards along the radial direction of the outer metal framework.
The preferred scheme is as follows: the limiting boss is of a circular ring structure, the outer diameter of the limiting boss is larger than that of the outer metal framework, and the limiting boss and the outer metal framework are of an integrally formed structure.
The preferred scheme is as follows: the connecting surface of the suspension connecting bracket and the bushing is larger than the cross section of the bushing.
The invention provides a motor assembly suspension system of a pure electric vehicle,
comprises a motor assembly suspension structure;
the auxiliary frame is provided with a mounting hole for mounting a motor assembly suspension structure, and a bushing of the motor assembly suspension structure is connected with the mounting hole of the auxiliary frame in an interference fit manner;
the motor assembly is connected with the auxiliary frame through a motor assembly suspension structure, and the motor assembly is connected with a suspension connecting support of the motor assembly suspension structure through a bolt.
The preferred scheme is as follows: the auxiliary frame is provided with three groups of motor assembly suspension structures for mounting the motor assemblies, the motor assemblies are arranged on the auxiliary frame in a three-point supporting type suspension mode, the left front side of each motor assembly is arranged in the motor assembly suspension structure, the right front side of each motor assembly is arranged in the motor assembly suspension structure, and the rear side of each motor assembly is arranged in the motor assembly suspension structure.
The preferred scheme is as follows: the three groups of motor assembly suspension structures are approximately positioned on the same plane with the mass center of the motor assembly on the auxiliary frame, and the motor assembly suspension structure arranged in the left front of the motor assembly and the motor assembly suspension structure arranged in the right front of the motor assembly are arranged in a manner of centrosymmetry by taking the motor assembly suspension structure arranged in the rear of the motor assembly as a center.
On the basis of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the motor assembly suspension structure of the pure electric vehicle, the motor assembly suspension structure and the auxiliary frame can form an integrated structure, the size of the suspension connecting support is small, the occupied space is greatly saved, and the space requirement of a compact cabin of the electric vehicle is met. The suspension structure of the motor assembly has the advantages of short cantilever, light weight, high mode and low possibility of resonance, and is favorable for improving the NVH performance of the whole vehicle. This motor assembly suspension structure can realize X to the requirement of different variable rigidity suspensions according to shape, hardness etc. of NVH debugging demand individual design rubber crash pad, and need not change the rubber main part of bush, and is swift convenient, and the general bush of platform motorcycle type can design rubber crash pad as required alone to satisfy different motorcycle type NVH performance demands, also realize that platform motorcycle type suspension part maximize is general, practice thrift development cost.
The invention discloses a motor assembly suspension system of a pure electric vehicle. The motor assembly suspension structures are arranged on the left front side, the right front side and the rear side of the motor assembly, and the motor assembly suspension structures are approximately positioned on the same plane with the mass center of the motor assembly on the auxiliary frame, so that the Z-direction height difference is reduced. Therefore, torsion resistance is carried out on the Z direction of the three-way suspension under the torque working condition, a strong torsion resistance limiting function is achieved, the problem of whole vehicle impact caused by torque change of the electric vehicle is effectively suppressed, and the NVH performance of the whole vehicle is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art suspension structure;
FIG. 2 is a prior art powertrain suspension assembly;
FIG. 3 is a schematic structural diagram of a suspension structure of a motor assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a bushing according to an embodiment of the invention;
FIG. 5 is a schematic structural view of a suspension attachment bracket according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a motor assembly suspension system according to an embodiment of the present invention;
fig. 7 is a partial structural schematic diagram of a suspension system of a motor assembly according to an embodiment of the invention.
The structure of the embodiment of the invention is schematically shown.
Reference numerals: 1-a power assembly, 2-a suspension structure, 3-an auxiliary frame, 4-an outer metal assembly ring, 5-an inner metal assembly ring, 6-a rubber ring, 7-a metal pipe, 8-a connecting piece, 9-a fillet and 10-a limiting column;
100-motor assembly suspension structure, 110-bushing, 111-outer metal framework, 112-inner metal framework, 113-rubber main body, 114-rubber anti-collision pad, 115-through hole, 120-suspension connecting support, 121-threaded hole, 122-mounting hole, 200-auxiliary frame and 300-motor assembly.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. It is to be noted that all the figures are exemplary representations. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example 1
Referring to fig. 3, 4 and 5, an embodiment of the present invention provides an electric motor assembly suspension structure for a pure electric vehicle, where the electric motor assembly suspension structure 100 includes:
The suspension connecting bracket 120 is provided with a plurality of mounting holes 122 connected with the motor assembly 300, and the plurality of mounting holes 122 are uniformly distributed on the circumference of the suspension connecting bracket 120. Suspension attachment bracket 120 is a split structure with bushing 110, and suspension attachment bracket 120 is removably attached to bushing 110 by inner metal armature 112.
A rubber crash pad 114, the rubber crash pad 114 being located between the bushing 110 and the suspension attachment bracket 120. The rubber crash pad 114 is used to realize the suspension X-direction variable stiffness curve characteristic to improve NVH performance and limit function.
Principle of operation
According to the motor assembly suspension structure of the pure electric vehicle, the motor assembly suspension structure 100 and the auxiliary frame 200 can form an integrated structure, the size of the suspension connecting support 120 is small, the occupied space is greatly saved, and the space requirement of a compact cabin of the electric vehicle is met. The motor assembly suspension structure 100 with the structure has the advantages of short cantilever, light weight, high mode, difficult resonance phenomenon and contribution to improving the NVH performance of the whole vehicle.
This motor assembly suspension structure 100 can design the shape of rubber crash pad 114 alone according to NVH debugging demand, hardness etc, utilize rubber crash pad 114 to realize X to (X is to the length direction for the automobile body) the requirement of the suspension of different variable rigidity, and need not change the rubber main part 113 part of bush 110, it is swift convenient, but the general bush 110 of platform motorcycle type, design rubber crash pad 114 alone as required, thereby satisfy different motorcycle type NVH performance demands, it is general also to realize platform motorcycle type suspension part maximize, practice thrift development cost.
Example 2
Referring to fig. 3, 4 and 5, an embodiment of the present invention provides a motor assembly suspension structure of a pure electric vehicle, and the present embodiment differs from embodiment 1 in that: the outer metal framework 111 is a circular tubular structure, the inner metal framework 112 is a circular bar structure, and the rubber main body 113 is a circular tubular structure. The axes of the outer metal armature 111, the inner metal armature 112 and the rubber main body 113 are collinear, and the rubber main body 113 is vulcanized with the outer metal armature 111 and the inner metal armature 112 into a whole.
A through hole 115 connected with the suspension connecting bracket 120 is formed on the inner metal framework 112, and the axis of the through hole 115 is collinear with the axis of the inner metal framework 112. The suspension connecting bracket 120 is provided with a threaded hole 121, and a bolt is inserted into the through hole 115 of the inner metal framework 112 to be fixedly connected with the threaded hole 121 of the suspension connecting bracket 120. The inner metal framework 112 is provided with a through hole 115 connected with the suspension connecting bracket 120 so as to be conveniently connected with a threaded hole of the suspension connecting bracket 120 through a bolt, and the connection mode is convenient to mount and dismount and is convenient to mount and replace rubber crash pads 114 with different shapes and hardness. Satisfy different motorcycle type NVH performance demands to realize that platform car type suspension part maximize is general, practice thrift development cost.
Example 3
Referring to fig. 3, 4 and 5, an embodiment of the present invention provides a motor assembly suspension structure of a pure electric vehicle, and the present embodiment differs from embodiment 1 in that: a rubber crash pad 114 is connected between the outer metal framework 111 of the bushing 110 and the suspension connecting bracket 120, the rubber crash pad 114 being of a circular ring structure. The connection surface of the suspension connection bracket 120 with the bushing 110, which is a section of the end of the threaded hole 121, is larger than the cross section of the bushing 110.
The cross section of the end part of the threaded hole 121 of the suspension connecting bracket 120 is designed to be larger than that of the outer metal framework 111 of the bushing 110, and the suspension connecting bracket 120, the rubber crash pad 114 and the outer metal framework 111 of the bushing 110 together realize the characteristic of suspension X-direction variable stiffness curve so as to improve NVH performance.
Example 4
Referring to fig. 4, an embodiment of the present invention provides a motor assembly suspension structure of a pure electric vehicle, and the present embodiment differs from embodiment 1 in that:
a limiting boss is arranged at one end of the outer metal framework 111, and the limiting boss extends outwards along the radial direction of the outer metal framework 111. The limiting boss is of a circular ring structure, the outer diameter of the limiting boss is larger than that of the outer metal framework 111, and the limiting boss and the outer metal framework 111 are of an integrally formed structure. The limiting boss is used for limiting the motor assembly suspension structure 100 when the outer metal framework 111 is connected with the auxiliary frame 200, and is beneficial to controlling the press-fit size of the motor assembly suspension structure 100 and the auxiliary frame 200.
Example 5
The embodiment of the invention provides a motor assembly suspension system of a pure electric vehicle, which comprises a motor assembly suspension structure 100 in the embodiment;
the auxiliary frame 200 is provided with a mounting hole for mounting the motor assembly suspension structure 100, and a bushing 110 of the motor assembly suspension structure 100 is connected with the mounting hole of the auxiliary frame 200 in an interference fit manner;
the motor assembly 300, the motor assembly 300 is connected with the subframe 200 through the motor assembly suspension structure 100, and the motor assembly 300 is connected with the suspension connecting bracket 120 of the motor assembly suspension structure 100 through a bolt.
Wherein, be equipped with three motor assembly suspension structures 100 of group of installation motor assembly 300 on sub vehicle frame 200, motor assembly 300 adopts three point support formula suspension to arrange on sub vehicle frame 200, specifically is: motor assembly suspension structure 100 is disposed at the front left of motor assembly 300, motor assembly suspension structure 100 is disposed at the front right of motor assembly 300, and motor assembly suspension structure 100 is disposed at the rear of motor assembly 300.
When the motor assembly 300 is installed, the three-unit motor assembly suspension structure 100 is substantially in the same plane as the center of mass of the motor assembly 300 on the subframe 200. The motor assembly suspension structure 100 arranged at the front left of the motor assembly 300 and the motor assembly suspension structure 100 arranged at the front right of the motor assembly 300 are arranged symmetrically with the motor assembly suspension structure 100 arranged at the rear of the motor assembly 300 as the center.
Three groups of motor assembly suspension structures 100 for mounting the motor assemblies 300 are arranged on the auxiliary frame 200 of the motor assembly suspension system, and the motor assemblies 300 are arranged on the auxiliary frame 200 in a three-point supporting type suspension mode. The motor assembly suspension structures 100 are arranged at the left front part, the right front part and the rear part of the motor assembly 300, and the motor assembly suspension structures 100 are approximately positioned on the same plane with the mass center of the motor assembly 300 on the auxiliary frame 200, so that the height difference in the Z direction is reduced. Therefore, torsion resistance is carried out on the Z direction of the three-way suspension under the torque working condition, a strong torsion resistance limiting function is achieved, the problem of whole vehicle impact caused by torque change of the electric vehicle is effectively suppressed, and the NVH performance of the whole vehicle is improved.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention, provided they are within the scope of the claims of the present invention and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (10)
1. A motor assembly suspension structure of a pure electric vehicle, characterized in that the motor assembly suspension structure (100) comprises:
the bushing (110) comprises an outer metal framework (111) and an inner metal framework (112), the inner metal framework (112) is located in the outer metal framework (111), the outer diameter of the inner metal framework (112) is smaller than the inner diameter of the outer metal framework (111), and a rubber main body (113) is arranged between the outer metal framework (111) and the inner metal framework (112);
the suspension connecting bracket (120) is provided with a mounting hole (122) used for being connected with the motor assembly (300), and the suspension connecting bracket (120) is connected with the bushing (110) through an inner metal framework (112);
a rubber crash pad (114), the rubber crash pad (114) being located between the bushing (110) and the suspension connection bracket (120).
2. The suspension structure of the motor assembly of the pure electric vehicle according to claim 1, wherein:
outer metal framework (111) are circular tubular structure, interior metal framework (112) are circular rod structure, rubber subject (113) are circular tubular structure, the axis collineation of outer metal framework (111), interior metal framework (112) and rubber subject (113), suspension linking bridge (120) can be dismantled with bush (110) through interior metal framework (112) and be connected.
3. The suspension structure of the motor assembly of the pure electric vehicle as claimed in claim 2, wherein:
the inner metal framework (112) is provided with a through hole (115) connected with the suspension connecting support (120), the axis of the through hole (115) is collinear with the axis of the inner metal framework (112), the suspension connecting support (120) is provided with a threaded hole (121), and a bolt penetrates into the through hole (115) of the inner metal framework (112) and is connected with the threaded hole (121) of the suspension connecting support (120).
4. The suspension structure of the motor assembly of the pure electric vehicle according to claim 1, wherein:
the rubber anti-collision pad (114) is connected between the outer metal framework (111) of the bushing (110) and the suspension connecting bracket (120), and the rubber anti-collision pad (114) is of a circular ring structure.
5. The suspension structure of the motor assembly of the pure electric vehicle according to claim 1, wherein:
one end of the outer metal framework (111) is provided with a limiting boss, and the limiting boss extends outwards along the radial direction of the outer metal framework (111).
6. The suspension structure of the motor assembly of the pure electric vehicle as claimed in claim 5, wherein:
the limiting boss is of a circular ring structure, the outer diameter of the limiting boss is larger than that of the outer metal framework (111), and the limiting boss and the outer metal framework (111) are of an integrally formed structure.
7. The suspension structure of the motor assembly of the pure electric vehicle according to claim 1, wherein:
the connecting surface of the suspension connecting bracket (120) and the bushing (110) is larger than the cross section of the bushing (110).
8. The utility model provides a motor assembly suspension system of electricelectric motor car which characterized in that:
comprising the motor assembly suspension (100) according to any of claims 1-7;
the motor assembly suspension structure comprises an auxiliary frame (200), wherein a mounting hole for mounting a motor assembly suspension structure (100) is formed in the auxiliary frame (200), and a bushing (110) of the motor assembly suspension structure (100) is connected with the mounting hole of the auxiliary frame (200) in an interference fit manner;
the motor assembly (300) is connected with the auxiliary frame (200) through the motor assembly suspension structure (100), and the motor assembly (300) is connected with the suspension connecting support (120) of the motor assembly suspension structure (100) through a bolt.
9. The suspension system for the motor assembly of the pure electric vehicle as claimed in claim 8, wherein:
be equipped with three group motor assembly suspension structure (100) of installation motor assembly (300) on sub vehicle frame (200), motor assembly (300) adopt three point support formula suspension to arrange on sub vehicle frame (200), the left side the place ahead of motor assembly (300) arranges motor assembly suspension structure (100), the right front of motor assembly (300) arranges motor assembly suspension structure (100), the rear of motor assembly (300) arranges motor assembly suspension structure (100).
10. The electric motor assembly suspension system of claim 9, wherein:
the three groups of motor assembly suspension structures (100) are approximately positioned on the same plane with the mass center of the motor assembly (300) on the auxiliary frame (200), and the motor assembly suspension structure (100) arranged in the left front of the motor assembly (300) and the motor assembly suspension structure (100) arranged in the right front of the motor assembly (300) are arranged in a centrosymmetric manner by taking the motor assembly suspension structure (100) arranged behind the motor assembly (300) as a center.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911414626.6A CN110978977A (en) | 2019-12-31 | 2019-12-31 | Motor assembly suspension structure and suspension system of pure electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911414626.6A CN110978977A (en) | 2019-12-31 | 2019-12-31 | Motor assembly suspension structure and suspension system of pure electric vehicle |
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| CN110978977A true CN110978977A (en) | 2020-04-10 |
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| CN201911414626.6A Pending CN110978977A (en) | 2019-12-31 | 2019-12-31 | Motor assembly suspension structure and suspension system of pure electric vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890903A (en) * | 2020-07-27 | 2020-11-06 | 东风汽车股份有限公司 | Suspension system and installation method of rear-drive electric vehicle |
| CN112744294A (en) * | 2020-12-30 | 2021-05-04 | 浙江合众新能源汽车有限公司 | Electric automobile rear-guard suspension system |
| CN113561747A (en) * | 2021-08-31 | 2021-10-29 | 岚图汽车科技有限公司 | Motor suspension system, positioning support structure and vehicle |
| WO2025081609A1 (en) * | 2023-10-19 | 2025-04-24 | 岚图汽车科技有限公司 | Motor suspension support and auxiliary frame assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111890903A (en) * | 2020-07-27 | 2020-11-06 | 东风汽车股份有限公司 | Suspension system and installation method of rear-drive electric vehicle |
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| CN113561747A (en) * | 2021-08-31 | 2021-10-29 | 岚图汽车科技有限公司 | Motor suspension system, positioning support structure and vehicle |
| WO2025081609A1 (en) * | 2023-10-19 | 2025-04-24 | 岚图汽车科技有限公司 | Motor suspension support and auxiliary frame assembly |
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Application publication date: 20200410 |