CN109515091A - The suspension frame structure of electric car - Google Patents
The suspension frame structure of electric car Download PDFInfo
- Publication number
- CN109515091A CN109515091A CN201811346097.6A CN201811346097A CN109515091A CN 109515091 A CN109515091 A CN 109515091A CN 201811346097 A CN201811346097 A CN 201811346097A CN 109515091 A CN109515091 A CN 109515091A
- Authority
- CN
- China
- Prior art keywords
- vehicle frame
- assembly
- suspension
- electric car
- girder construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/08—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0525—Height adjusting or levelling valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/50—Electric vehicles; Hybrid vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
Abstract
The present invention provides a kind of suspension frame structures of electric car, comprising: vehicle frame；Front-axle structure；Rear axle structure；Front suspension assembly, two brackets including bilateral symmetry distribution, front-axle structure are connected with two brackets simultaneously, and forward thrust rod structure is connected between bracket and vehicle frame, also forward thrust rod structure is connected between front-axle structure and vehicle frame, air bag assembly before being equipped on bracket；Rear suspension assembly, a pair of of girder construction including bilateral symmetry distribution, rear axle structure is connected with the middle part of two girder constructions respectively, it is also connected by back pressure rod structure with vehicle frame in the middle part of each girder construction, it is separately installed with rear gasbag assembly in two ends of girder construction, rear gasbag assembly and preceding air bag assembly are disposed as air spring constructions, and each rear gasbag assembly side is respectively connected with rear shock absorber structure, rear shock absorber structure is connected with vehicle frame, is also connected with rear stabilizer bar structure between two girder constructions.The suspension frame structure of this electric car has good damping result, the good advantage of stability.
Description
Technical field
The invention belongs to electric car suspension frame structure technical fields, are related to a kind of suspension frame structure of electric car.
Background technique
Pure electric vehicle city bus (electric car) is the green novel energy source vehicles, and electric car chassis is to digest and assimilate Passenger Cars in China and Abroad
It is voluntarily developed on the basis of chassis technology, chassis includes the suspension frame structure that can promote vehicle body stability.It is current to adapt to
The market demand, the present invention design a kind of good damping result, and stability is good, moreover it is possible to promote the suspension knot of the electric car of vehicle comfort
Structure.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of good damping result, stability are proposed
It is good, moreover it is possible to promote the suspension frame structure of the electric car of vehicle comfort.
Object of the invention can be realized by the following technical scheme: a kind of suspension frame structure of electric car, comprising:
Vehicle frame；
Front-axle structure；
Rear axle structure；
Front suspension assembly, is used for connecting vehicle frame and front-axle structure, and the front suspension assembly includes the two of bilateral symmetry distribution
A bracket, the front-axle structure are connected with two brackets simultaneously, and forward thrust rod structure, institute are connected between the bracket and vehicle frame
It states and is also connected with forward thrust rod structure between front-axle structure and vehicle frame, air bag assembly before being equipped on bracket, on bracket also
Preceding damper structure positioned at preceding air bag assembly side is installed, the front damper structure is connected with vehicle frame, two brackets it
Between be connected with front stabilizing rod structure；
Rear suspension assembly, is used for connecting vehicle frame and rear axle structure, and the rear suspension assembly includes the one of bilateral symmetry distribution
To girder construction, the rear axle structure is connected with the middle part of two girder constructions respectively, also passes through back pressure bar knot in the middle part of each girder construction
Structure is connected with vehicle frame, and back pressure rod structure is also connected between the rear axle structure and vehicle frame, is distinguished in two ends of girder construction
Rear gasbag assembly is installed, the rear gasbag assembly and preceding air bag assembly are disposed as air spring constructions, each rear gasbag assembly
Side is respectively connected with rear shock absorber structure, and the rear shock absorber structure is connected with vehicle frame, after being also connected between two girder constructions
Stabilizator rod structure.
As a further improvement of the present invention, the rear gasbag assembly includes rear gasbag gas receiver and rear air spring master
Body, the rear gasbag gas receiver receive the external compressed air sent, and after compressed air is sent into air spring main body.
As a further improvement of the present invention, the preceding air bag assembly includes preceding air bag gas receiver and preceding air spring master
Body, the preceding air bag gas receiver receives the external compressed air sent, and compressed air is sent into preceding air spring main body.
As a further improvement of the present invention, at least one preceding air bag assembly is connected with preceding altitude valve, the preceding height
Valve and it is corresponding before the docking of air spring main body, at least one rear gasbag assembly is connected with rear altitude valve, it is described after altitude valve and right
It should rear air spring main body docking.
As a further improvement of the present invention, the back pressure rod structure setting in each girder construction is facing another girder construction
Side locations, the back pressure rod structure on the rear axle structure is arranged between two girder constructions, the rear stabilizer bar structure
It is also disposed between two girder constructions.
As a further improvement of the present invention, the girder construction is set as C-type beam structure, corresponding rear gasbag assembly installation
In the end position of girder construction.
As a further improvement of the present invention, the rear stabilizer bar structure setting is c-type structure, the rear stabilizer bar structure
Both ends end is connected with girder construction respectively, is connected by rear suspension bar structure with vehicle frame in the middle part of the rear stabilizer bar structure.
As a further improvement of the present invention, the front stabilizing rod structure is set as c-type structure, the front stabilizing rod structure
Both ends end is connected with bracket respectively, is connected by stablizing pole anchor ear with vehicle frame in the middle part of the front stabilizing rod structure.
As a further improvement of the present invention, the end of the front stabilizing rod structure passes through preceding hanging rod structure and corresponding branch
Frame connection.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect: the suspension knot of this electric car
Structure whole design is reasonable, compact, good damping result, and stability is good, moreover it is possible to promote vehicle comfort, whole installation is after the first two
Four air suspension structures are mainly provided with the structures such as damper, stabiliser bar, distance rod and beam combination, cooperate between each structure
Closely, air bag assembly can realize the adjusting that floats up and down on vertical direction by the effect of compressed air, change vehicle with this
Height, play the effect of vibration damping, and the setting of damper structure also further improves effectiveness in vibration suppression, air suspension
It gives automobile more intelligence, improves the stability of vehicle body when your suspension when running at high speed can be hardened, and for a long time
In the road traveling of low speed injustice, the control unit of cooperation vehicle itself can make suspension soften to improve the comfort of car.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural schematic diagram of a preferred embodiment of the present invention.
Fig. 2 be in a preferred embodiment of the present invention front-axle structure and front suspension assembly installation after structural schematic diagram.
Fig. 3 is the structural schematic diagram of front suspension assembly in a preferred embodiment of the present invention.
Fig. 4 is the structural schematic diagram at another visual angle Fig. 3.
Fig. 5 is the structural schematic diagram at another visual angle Fig. 4.
Fig. 6 be in a preferred embodiment of the present invention rear axle structure and rear suspension assembly installation after structural schematic diagram.
Fig. 7 is the structural schematic diagram of rear suspension assembly in a preferred embodiment of the present invention.
Fig. 8 is the structural schematic diagram at another visual angle Fig. 7.
Fig. 9 be in Fig. 7 A-A to partial sectional view.
In figure, 100, vehicle frame；200, front-axle structure；300, rear axle structure；400, front suspension assembly；410, bracket；420,
Forward thrust rod structure；430, preceding air bag assembly；440, preceding damper structure；450, front stabilizing rod structure；460, preceding altitude valve；
470, stablize pole anchor ear；480, preceding hanging rod structure；500, rear suspension assembly；510, girder construction；520, back pressure rod structure；530,
Rear gasbag assembly；540, rear shock absorber structure；550, rear stabilizer bar structure；560, rear altitude valve；570, rear suspension bar structure.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Technical solution provided by the invention is illustrated in more detail below with reference to Fig. 1 to Fig. 9.
As shown in Figures 1 to 9, the suspension frame structure of this electric car includes:
Vehicle frame 100；
Front-axle structure 200；
Rear axle structure 300；
Front suspension assembly 400, is used for connecting vehicle frame 100 and front-axle structure 200, and the front suspension assembly 400 includes left and right
Two symmetrical brackets 410, the front-axle structure 200 are connected with two brackets 410 simultaneously, the bracket 410 and vehicle frame
It is connected with forward thrust rod structure 420 between 100, is also connected with forward thrust rod structure between the front-axle structure 200 and vehicle frame 100
420, air bag assembly 430 before being equipped on bracket 410 is also equipped with positioned at preceding 430 side of air bag assembly on bracket 410
Preceding damper structure 440, the front damper structure and vehicle frame 100 connect, and are connected with front stabilizer knot between two brackets 410
Structure 450；
Rear suspension assembly 500, is used for connecting vehicle frame 100 and rear axle structure 300, and the rear suspension assembly 500 includes left and right
Symmetrical a pair of of girder construction 510, the rear axle structure 300 are connected with the middle part of two girder constructions 510 respectively, each girder construction
510 middle parts are also connected by back pressure rod structure 520 and vehicle frame 100, are also connected between the rear axle structure 300 and vehicle frame 100
There is back pressure rod structure 520, is separately installed with rear gasbag assembly 530, the rear gasbag assembly in 510 two ends of girder construction
530 and preceding air bag assembly 430 be disposed as air spring constructions, each 530 side of rear gasbag assembly is respectively connected with rear shock absorber knot
Structure 540, the rear shock absorber structure 540 and vehicle frame 100 connect, and are also connected with rear stabilizer bar structure between two girder constructions 510
550。
In the present invention, front suspension assembly 400 is for bridge before connecting vehicle frame 100 and vehicle, and rear suspension assembly 500 is for connecting
Frame 100 and vehicle rear axle are picked up, air spring is to be filled with compressed air in the container sealed at one, utilizes gas compressibility
Realize its elastic reaction.
The suspension frame structure whole design of this electric car is reasonable, compact, good damping result, and stability is good, moreover it is possible to promote vehicle and relax
Adaptive, whole installation are four air suspension structures after the first two, are mainly provided with damper, stabiliser bar, distance rod and Liang Zuhe
Etc. structures, cooperation is close between each structure, and air bag assembly can be realized upper on vertical direction by the effect of compressed air
Lower floating is adjusted, and is changed the height of vehicle with this, is played the effect of vibration damping, and the setting of damper structure is also further
Effectiveness in vibration suppression is improved, air suspension gives automobile more intelligence, mentions when your suspension when running at high speed can be hardened
The stability of high vehicle body, and for a long time in the road traveling of low speed injustice, the control unit of cooperation vehicle itself can make suspension
Soften to improve the comfort of car.
As a kind of preferred or optional embodiment, preferably rear gasbag assembly 530 includes rear gasbag gas receiver and air
Spring body, the rear gasbag gas receiver receives the external compressed air sent, and compressed air is sent into air spring main body
In.
Further, preceding air bag assembly 430 includes preceding air bag gas receiver and preceding air spring main body, the preceding air bag gas storage
Cylinder receives the external compressed air sent, and compressed air is sent into preceding air spring main body.
Above-mentioned preceding 430 structure setting of air bag assembly and rear gasbag assembly 530 are essentially identical, and positions and dimensions specification has
Difference when work, supplies using air compressor machine and gives air bag gas receiver, the air of compression is sent to air spring by air bag gas receiver
In, change the height of vehicle with this, spring-compressed or elongation can be made by the inflation/deflation of control air spring, to rise
To the effect of vibration damping.
Further, altitude valve 460 before at least one preceding air bag assembly 430 is connected with, the preceding altitude valve 460 and right
Air spring main body docking before answering, at least one rear gasbag assembly 530 are connected with rear altitude valve 560,560 He of the rear altitude valve
Air spring main body is docked after correspondence.
The controllable corresponding air spring inflation/deflation of altitude valve, the present invention are equipped with vehicle height sensor near front wheels and rear wheels
(altitude valve) judges the variation of bodywork height by the output signal of the sensor of altitude valve, then controls the charge and discharge of air spring
Gas makes spring-compressed or elongation, to play the effect of vibration damping.
For the reasonability and compactedness of further room for promotion layout, and guarantee the stability of whole suspension structure, preferably
The side locations for facing another girder construction 510, the rear axle is arranged in ground, the back pressure rod structure 520 in each girder construction 510
Back pressure rod structure 520 in structure 300 is arranged between two girder constructions 510, and the rear stabilizer bar structure 550 is also disposed at
Between two girder constructions 510.
There are two back pressure rod structures 520 for the preferred connection of above-mentioned rear axle structure 300, in addition after two in girder construction 510
Thrust rod structure 520, four back pressure bars are arranged in same side position, and opposite another side position of rear stabilizer bar arrangement,
Left and right distributed layout is formed, the stability and comfort level of overall vehicle driving are more preferably.
In the present invention, girder construction 510 is set as C-type beam structure 510, and corresponding rear gasbag assembly 530 is mounted on beam knot
The end position of structure 510.The setting of symmetrical C-type beam combination cooperation air bag assembly, so that whole suspension system vibration damping is imitated
Fruit is ideal, driving stability, moreover it is possible to reduce the influence that interferes between part, installation space is arranged more between the beam of two c-types
Flexibly.
Further, it is the reliability and overall stability that promote installation, preferably passes through in the middle part of rear stabilizer bar structure 550
Rear suspension bar structure 570 and vehicle frame 100 connect, and preferably rear suspension bar structure 570 is set as symmetrical two, rear stabilizer bar structure 550
It is further preferably set as c-type structure, both ends end is connected with girder construction 510 respectively, and middle part is connected by sunpender and vehicle frame 100
It connects, so that rear stabilizer bar structure 550 connects relatively reliable, stabilization.
Further, close reliable for guarantee that front stabilizing rod structure 450 and bracket 410, vehicle frame 100 connect, preferably before
Stabilizator rod structure 450 is set as c-type structure, and the 450 both ends end of front stabilizing rod structure is connected with bracket 410 respectively, described
450 middle part of front stabilizing rod structure is connected by stablizing pole anchor ear 470 and vehicle frame 100.
Preferably, the end of front stabilizing rod structure 450 is connected by preceding hanging rod structure 480 and corresponding bracket 410, and right
Aforementioned stable pole anchor ear 470 is answered to be set as symmetrical two.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of suspension frame structure of electric car, it is characterised in that: include:
Vehicle frame；
Front-axle structure；
Rear axle structure；
Front suspension assembly, is used for connecting vehicle frame and front-axle structure, and the front suspension assembly includes two branch of bilateral symmetry distribution
Frame, the front-axle structure are connected with two brackets simultaneously, forward thrust rod structure are connected between the bracket and vehicle frame, before described
Also forward thrust rod structure is connected between bridge structure and vehicle frame, air bag assembly, is also installed on bracket before being equipped on bracket
There is the preceding damper structure positioned at preceding air bag assembly side, the front damper structure connects with vehicle frame, connects between two brackets
It is connected to front stabilizing rod structure；
Rear suspension assembly, is used for connecting vehicle frame and rear axle structure, and the rear suspension assembly includes a pair of of beam of bilateral symmetry distribution
Structure, the rear axle structure are connected with the middle part of two girder constructions respectively, in the middle part of each girder construction also by back pressure rod structure and
Vehicle frame connection, is also connected with back pressure rod structure, installs respectively in two ends of girder construction between the rear axle structure and vehicle frame
There is rear gasbag assembly, the rear gasbag assembly and preceding air bag assembly are disposed as air spring constructions, each rear gasbag assembly side
It is respectively connected with rear shock absorber structure, the rear shock absorber structure is connected with vehicle frame, is stablized after being also connected between two girder constructions
Rod structure.
2. the suspension frame structure of electric car according to claim 1, it is characterised in that: the rear gasbag assembly includes rear gasbag storage
Inflator and rear air spring main body, the rear gasbag gas receiver receives the external compressed air sent, and compressed air is sent into
Afterwards in air spring main body.
3. the suspension frame structure of electric car according to claim 2, it is characterised in that: the preceding air bag assembly includes preceding air bag storage
Inflator and preceding air spring main body, the preceding air bag gas receiver receives the external compressed air sent, and compressed air is sent into
In preceding air spring main body.
4. the suspension frame structure of electric car according to claim 3, it is characterised in that: before at least one preceding air bag assembly is connected with
Altitude valve, the preceding altitude valve and corresponding preceding air spring main body docking, at least one rear gasbag assembly are connected with rear altitude valve,
Air spring main body is docked after the altitude valve afterwards and correspondence.
5. the suspension frame structure of electric car according to any one of claims 1 to 4, it is characterised in that: the pusher in each girder construction
The side locations for facing another girder construction are arranged in power rod structure, and the back pressure rod structure on the rear axle structure is arranged two
Between a girder construction, the rear stabilizer bar structure is also disposed between two girder constructions.
6. the suspension frame structure of electric car according to any one of claims 1 to 4, it is characterised in that: the girder construction is set as C
Type girder construction, corresponding rear gasbag assembly are mounted on the end position of girder construction.
7. the suspension frame structure of electric car according to any one of claims 1 to 4, it is characterised in that: the rear stabilizer bar structure
It is set as c-type structure, rear stabilizer bar structure both ends end is connected with girder construction respectively, logical in the middle part of the rear stabilizer bar structure
Later hanging rod structure is connected with vehicle frame.
8. the suspension frame structure of electric car according to any one of claims 1 to 4, it is characterised in that: the front stabilizing rod structure
It is set as c-type structure, front stabilizing rod structure both ends end is connected with bracket respectively, is passed through in the middle part of the front stabilizing rod structure
Stablize pole anchor ear to connect with vehicle frame.
9. the suspension frame structure of electric car according to claim 8, it is characterised in that: the end of the front stabilizing rod structure passes through
Preceding hanging rod structure is connected with corresponding bracket.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346097.6A CN109515091A (en) | 2018-11-13 | 2018-11-13 | The suspension frame structure of electric car |
| PCT/CN2019/110829 WO2020098433A1 (en) | 2018-11-13 | 2019-10-12 | Suspension structure of tram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346097.6A CN109515091A (en) | 2018-11-13 | 2018-11-13 | The suspension frame structure of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109515091A true CN109515091A (en) | 2019-03-26 |
Family
ID=65776179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811346097.6A Pending CN109515091A (en) | 2018-11-13 | 2018-11-13 | The suspension frame structure of electric car |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109515091A (en) |
| WO (1) | WO2020098433A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098433A1 (en) * | 2018-11-13 | 2020-05-22 | 浙江中车电车有限公司 | Suspension structure of tram |
| WO2020098432A1 (en) * | 2018-11-13 | 2020-05-22 | 浙江中车电车有限公司 | Chassis and battery electric city bus |
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| WO2020098432A1 (en) * | 2018-11-13 | 2020-05-22 | 浙江中车电车有限公司 | Chassis and battery electric city bus |
Also Published As
| Publication number | Publication date |
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| WO2020098433A1 (en) | 2020-05-22 |
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