CN107757284A - Composite automobile suspension system - Google Patents
Composite automobile suspension system Download PDFInfo
- Publication number
- CN107757284A CN107757284A CN201710985578.0A CN201710985578A CN107757284A CN 107757284 A CN107757284 A CN 107757284A CN 201710985578 A CN201710985578 A CN 201710985578A CN 107757284 A CN107757284 A CN 107757284A
- Authority
- CN
- China
- Prior art keywords
- leaf spring
- spring
- air spring
- air
- suspension system
- 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
Links
Classifications
-
- 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
- B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
- B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
- B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
-
- 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
-
- 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
- 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
- B60G17/0528—Pressure regulating or air filling valves
-
- 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
- B60G2202/11—Leaf spring
- B60G2202/112—Leaf spring longitudinally arranged
-
- 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
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
Abstract
The invention discloses a kind of composite automobile suspension system, and between automobile frame and vehicle bridge, including two are symmetrically positioned in the leaf spring that below car body and both ends are hinged with the vehicle frame respectively, and the bearing of trend of leaf spring is consistent with the bearing of trend of vehicle frame；The middle part of leaf spring is fixedly connected with vehicle bridge, and air spring and damper are provided between the middle part of leaf spring and vehicle frame, and air spring is connected with air spring height governor motion；Load is born collectively as flexible member by air spring and leaf spring, leaf spring plays guide effect simultaneously；Damper, air spring are all connected with leaf spring, simple and compact for structure, it is easy to accomplish.By controlling air spring air inlet and outlet that vehicle body working depth under different loads can be kept constant, also it is held essentially constant in the intrinsic frequency of different loads lower suspension system, the ability of extremely good absorption dither improves the ride comfort of suspension system.
Description
Technical field
The present invention relates to automotive suspension technical field, more particularly to a kind of light truck air spring and steel plate bullet
Spring Composite Suspension System.
Background technology
Traditional leaf spring has the advantages that simple in construction, reliable operation, is widely used in various, but steel
Flat spring also has the shortcomings that frictional force is big, load adaptation is poor, ride comfort is poor.The application of air spring, to a certain extent
The shortcomings that compensate for leaf spring.During using air spring suspension, it is possible to achieve vehicle body working depth under different loads is constant,
The intrinsic frequency of different loads lower suspension is also held essentially constant, and has the ability of good absorption dither.If by air
Spring forms a kind of Composite Suspension System with leaf spring, it will greatly improves the performance of suspension.
Current existing air spring and leaf spring compound suspension, are all that air spring is arranged in into leaf spring and hanger
Between, this arrangement reduces the rolling capability of suspension, again limits the setting height(from bottom) and impulse stroke of air spring.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of raising ride comfort of suspension system and answering for roll stiffness
Box-like automobile suspension system.
In order to solve the above technical problems, the technical scheme is that：Composite automobile suspension system, installed in Automobile
Between frame and vehicle bridge, including two are symmetrically positioned in the leaf spring that below car body and both ends are hinged with the vehicle frame respectively, described
The bearing of trend of leaf spring is consistent with the bearing of trend of the vehicle frame；The middle part of the leaf spring is fixed with the vehicle bridge to be connected
Connect, air spring and damper are installed between the middle part of the leaf spring and the vehicle frame, the air spring is connected with
Air spring height governor motion.
As a kind of perferred technical scheme, leaf spring front lifting lug and leaf spring rear lifting lug, institute are installed with the vehicle frame
The both ends for stating leaf spring are hinged with the leaf spring front lifting lug and the leaf spring rear lifting lug respectively.
As a kind of perferred technical scheme, it is installed with the middle part of the leaf spring under air spring and branch is installed
Frame, is correspondingly provided with mounting bracket on air spring on the vehicle frame, the both ends of the air spring respectively with the air bullet
Mounting bracket is fixedly connected with mounting bracket on the air spring under spring.
As a kind of perferred technical scheme, the both ends of the damper have been respectively articulated with damper lower carriage and damper
Upper bracket, the damper lower carriage in the middle part of the leaf spring with being fixedly connected, the damper upper bracket and the car
Frame is fixedly connected.
As a kind of perferred technical scheme, the air spring height governor motion includes source of the gas, the source of the gas connection
Have a main air pipe, the main air pipe be connected with the one-to-one bronchus road of the air spring, on the main body pipeline
Pressure-control valve is connected with, the flow control valve connected successively with the air spring and height are installed on the bronchus road
Control valve.
By adopting the above-described technical solution, composite automobile suspension system, between automobile frame and vehicle bridge, bag
Include two and be symmetrically positioned in the leaf spring that below car body and both ends are hinged with the vehicle frame respectively, the extension side of the leaf spring
To consistent with the bearing of trend of the vehicle frame；The middle part of the leaf spring is fixedly connected with the vehicle bridge, the leaf spring
Middle part and the vehicle frame between air spring and damper be installed, the air spring is connected with air spring height regulation
Mechanism；Load is born collectively as flexible member by air spring and leaf spring, leaf spring plays guide effect simultaneously；Subtract
Shake device, air spring are all connected with leaf spring so that simple and compact for structure, it is easy to accomplish.Due to air spring have it is superior
Variation rigidity characteristic, by controlling air spring air inlet and outlet that vehicle body working depth under different loads can be kept constant,
Also it is held essentially constant in the intrinsic frequency of different loads lower suspension system, the ability of extremely good absorption dither improves
The ride comfort of suspension system.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the top view of the embodiment of the present invention；
Fig. 3 is the schematic diagram of air spring height governor motion of the embodiment of the present invention；
In figure：11- vehicle frames；12- vehicle bridge；21- leaf springs；22- leaf spring front lifting lugs；23- leaf spring rear lifting lugs；31- air
Spring；Mounting bracket under 32- air springs；Mounting bracket on 33- air springs；41- dampers；42- damper lower carriages；
43- damper upper brackets；51- sources of the gas；The main air pipes of 52-；53- bronchuses road；54- pressure-control valves；55- flow control valves；
56- levelling valves；6-U type bolts.
Embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only explanation is passed through
Mode describes some one exemplary embodiments of the present invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, are not intended to limit the scope of the claims.
As depicted in figs. 1 and 2, composite automobile suspension system, between automobile frame 11 and vehicle bridge 12, including two
It is individual to be symmetrically positioned in the leaf spring 21 that below car body and both ends are hinged with the vehicle frame 11 respectively, it is fixedly mounted on the vehicle frame 11
Have a leaf spring front lifting lug 22 and leaf spring rear lifting lug 23, the both ends of the leaf spring 21 respectively with the leaf spring front lifting lug 22 and described
Leaf spring rear lifting lug 23 is be hinged.The bearing of trend of the leaf spring 21 is consistent with the bearing of trend of the vehicle frame 11；The steel plate
The middle part of spring 21 is fixedly connected with the vehicle bridge 12, is installed between the middle part of the leaf spring 21 and the vehicle frame 11 free
Gas spring 31 and damper 41, the middle part of the leaf spring 21 are installed with mounting bracket 32 under air spring, the car
Mounting bracket 33 on air spring are correspondingly installed on frame 11, the both ends of the air spring 31 respectively with the air spring
Mounting bracket 32 is fixedly connected with mounting bracket 33 on the air spring；The both ends of the damper 41 have been respectively articulated with damping
Device lower carriage 42 and damper upper bracket 43, the damper lower carriage 42 are fixedly connected with the middle part of the leaf spring 21,
Specifically, the middle part of the leaf spring 21 is fixedly connected with the vehicle bridge 12, the damper lower carriage 42 by with it is described
Being fixedly connected for vehicle bridge 12 being fixedly connected to realize with the leaf spring 21 middle part, the damper upper bracket 43 with it is described
Vehicle frame 11 is fixedly connected.The air spring 31 is connected with the height adjustment mechanism of air spring 31, as shown in figure 3, the air
The height adjustment mechanism of spring 31 includes source of the gas 51, and the source of the gas 51 is connected with main air pipe 52, and the main air pipe 52 is connected with
With the one-to-one bronchus road 53 of the air spring 31, pressure-control valve 54, the branch are connected with the main body pipeline
The flow control valve 55 and levelling valve 56 connected successively with the air spring 31 is installed on air pipe 53.It can use
Air tank is braked as source of the gas 51.
As shown in figure 1, mounting bracket 32, damper lower carriage 42 are logical under the leaf spring 21, vehicle bridge 12, air spring
Cross U-bolt 6 to connect firmly together in respective centre position, mounting bracket 32 is placed on topmost under air spring, under damper
Support 42 is placed on bottom, and leaf spring 21, vehicle bridge 12 are in centre；Cut with scissors with damper upper bracket 43 upper end of damper 41
Connect, lower end is be hinged with damper lower carriage 42, and damper upper bracket 43 connects firmly with vehicle frame 11, damper lower carriage 42 and vehicle bridge 12
Connect firmly；The upper end of air spring 31 is connected firmly by mounting bracket on air spring 33 and vehicle frame 11, and branch is installed under air spring
Frame 32 is connected firmly with leaf spring 21, and described air spring 31 is connected with the height adjustment mechanism of air spring 31.
The air spring 31, levelling valve 56, source of the gas 51, flow control valve 55 and pressure-control valve 54 pass through main gas
Pipeline 52, bronchus road 53, tee joint quick-insertion connector are connected with two logical quick connectors with air inlet gas circuit, and air spring 31 is adjusted with height
Section mechanism is symmetricly set on the both sides of vehicle frame 11.
The present invention is combined using simple valve system, realizes the active regulation of bodywork height.Pressure-control valve 54 can
The maximum pressure inflated with setting air spring 31, flow control valve 55 can control the air inlet of air spring 31 and two sides of outlet
To different air velocitys.
The present invention is using air spring 31 and the Composite Suspension System of leaf spring 21, by air spring 31 and leaf spring
21 bear load collectively as flexible member, and leaf spring 21 plays guide effect simultaneously；Damper 41, air spring 31 all with
Leaf spring 21 connects so that simple and compact for structure, it is easy to accomplish.Because air spring 31 has superior variation rigidity characteristic,
By controlling the air inlet of air spring 31 and outlet that vehicle body working depth under different loads can be kept constant, under different loads
The intrinsic frequency of suspension system is also held essentially constant, the ability of extremely good absorption dither so that this suspension system
Ride comfort necessarily improve.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. composite automobile suspension system, between automobile frame and vehicle bridge, it is characterised in that：It is symmetrically positioned in including two
The leaf spring that car body lower section and both ends are hinged with the vehicle frame respectively, the bearing of trend of the leaf spring and the vehicle frame
Bearing of trend is consistent；The middle part of the leaf spring is fixedly connected with the vehicle bridge, the middle part of the leaf spring and the car
Air spring and damper are installed, the air spring is connected with air spring height governor motion between frame.
2. composite automobile suspension system as claimed in claim 1, it is characterised in that：Leaf spring is installed with the vehicle frame
Front lifting lug and leaf spring rear lifting lug, the both ends of the leaf spring are cut with scissors with the leaf spring front lifting lug and the leaf spring rear lifting lug respectively
Connect.
3. composite automobile suspension system as claimed in claim 1, it is characterised in that：Peace is fixed at the middle part of the leaf spring
Equipped with mounting bracket under air spring, mounting bracket on air spring is correspondingly installed on the vehicle frame, the air spring
Both ends are fixedly connected with mounting bracket on mounting bracket under the air spring and the air spring respectively.
4. composite automobile suspension system as claimed in claim 1, it is characterised in that：The both ends of the damper are respectively articulated with
There are damper lower carriage and damper upper bracket, the damper lower carriage in the middle part of the leaf spring with being fixedly connected, institute
Damper upper bracket is stated to be fixedly connected with the vehicle frame.
5. the composite automobile suspension system as described in Claims 1-4 any claim, it is characterised in that：The air
Spring heights governor motion includes source of the gas, and the source of the gas is connected with main air pipe, and the main air pipe is connected with and the air
The one-to-one bronchus road of spring, be connected with pressure-control valve on the main body pipeline, be provided with the bronchus road according to
The secondary flow control valve and levelling valve connected with the air spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985578.0A CN107757284A (en) | 2017-10-20 | 2017-10-20 | Composite automobile suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985578.0A CN107757284A (en) | 2017-10-20 | 2017-10-20 | Composite automobile suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107757284A true CN107757284A (en) | 2018-03-06 |
Family
ID=61269754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710985578.0A Pending CN107757284A (en) | 2017-10-20 | 2017-10-20 | Composite automobile suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107757284A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009190A (en) * | 2020-08-14 | 2020-12-01 | 东风商用车有限公司 | Leaf spring lug length adjustable leaf spring suspension system |
| CN112092559A (en) * | 2020-10-09 | 2020-12-18 | 辽宁工程技术大学 | Chassis damping structure of new energy automobile |
| CN112406445A (en) * | 2020-11-27 | 2021-02-26 | 安联(郑州)工程机械有限公司 | Oil-gas suspension device for trailer and semitrailer |
| CN113428232A (en) * | 2021-07-27 | 2021-09-24 | 江苏徐工工程机械研究院有限公司 | Elastic element switchable suspension assembly and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2723342A1 (en) * | 1994-08-08 | 1996-02-09 | Boler Co | ASSEMBLY FOR REPLACING A BLADE SPRING BLOCK IN A VEHICLE SUSPENSION AND SUSPENSION SYSTEM |
| CN2642549Y (en) * | 2003-08-25 | 2004-09-22 | 安徽江淮汽车股份有限公司 | Novel combined air suspension assembly special for passenger car chassis |
| CN101700732A (en) * | 2009-11-03 | 2010-05-05 | 西格玛集团有限公司 | Self-adjusting air suspension system |
| CN203485698U (en) * | 2013-08-12 | 2014-03-19 | 芜湖佳景科技有限公司 | Suspension structure for heavy type lorry |
| CN204037267U (en) * | 2014-08-22 | 2014-12-24 | 上汽依维柯红岩商用车有限公司 | Combined air front suspension system |
| CN105480041A (en) * | 2016-01-15 | 2016-04-13 | 长春孔辉汽车科技股份有限公司 | Air spring and plate spring composite suspension system |
| CN207388786U (en) * | 2017-10-20 | 2018-05-22 | 山东五征集团有限公司 | Composite automobile suspension system |
-
2017
- 2017-10-20 CN CN201710985578.0A patent/CN107757284A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2723342A1 (en) * | 1994-08-08 | 1996-02-09 | Boler Co | ASSEMBLY FOR REPLACING A BLADE SPRING BLOCK IN A VEHICLE SUSPENSION AND SUSPENSION SYSTEM |
| CN2642549Y (en) * | 2003-08-25 | 2004-09-22 | 安徽江淮汽车股份有限公司 | Novel combined air suspension assembly special for passenger car chassis |
| CN101700732A (en) * | 2009-11-03 | 2010-05-05 | 西格玛集团有限公司 | Self-adjusting air suspension system |
| CN203485698U (en) * | 2013-08-12 | 2014-03-19 | 芜湖佳景科技有限公司 | Suspension structure for heavy type lorry |
| CN204037267U (en) * | 2014-08-22 | 2014-12-24 | 上汽依维柯红岩商用车有限公司 | Combined air front suspension system |
| CN105480041A (en) * | 2016-01-15 | 2016-04-13 | 长春孔辉汽车科技股份有限公司 | Air spring and plate spring composite suspension system |
| CN207388786U (en) * | 2017-10-20 | 2018-05-22 | 山东五征集团有限公司 | Composite automobile suspension system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009190A (en) * | 2020-08-14 | 2020-12-01 | 东风商用车有限公司 | Leaf spring lug length adjustable leaf spring suspension system |
| CN112009190B (en) * | 2020-08-14 | 2021-05-11 | 东风商用车有限公司 | Leaf spring lug length adjustable leaf spring suspension system |
| CN112092559A (en) * | 2020-10-09 | 2020-12-18 | 辽宁工程技术大学 | Chassis damping structure of new energy automobile |
| CN112406445A (en) * | 2020-11-27 | 2021-02-26 | 安联(郑州)工程机械有限公司 | Oil-gas suspension device for trailer and semitrailer |
| CN113428232A (en) * | 2021-07-27 | 2021-09-24 | 江苏徐工工程机械研究院有限公司 | Elastic element switchable suspension assembly and control method |
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