CN104827848B - Three-axle carriage air suspension air channel control system - Google Patents
Three-axle carriage air suspension air channel control system Download PDFInfo
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- CN104827848B CN104827848B CN201510190413.5A CN201510190413A CN104827848B CN 104827848 B CN104827848 B CN 104827848B CN 201510190413 A CN201510190413 A CN 201510190413A CN 104827848 B CN104827848 B CN 104827848B
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Abstract
The invention discloses a three-axle carriage air suspension air channel control system comprising an air storage cylinder which is used for storing high pressure air and is arranged on a carriage chassis; an automatic load sensing valve which is communicated with the air storage cylinder and arranged on the carriage chassis and is communicated with multiple bearing air bags arranged on a servo axle air suspension; a transverse pendulum assembly of which one end is fixedly connected with the camshaft of the automatic load sensing valve and drives the camshaft to rotate around the axis, wherein output air pressure of the automatic load sensing valve changes along with change of the swing angle of the transverse pendulum assembly; and a vertical pendulum assembly of which one end is hinged with the transverse pendulum assembly and the other end is fixedly connected with a driving axle left spring suspension. Advantages of the three-axle carriage air suspension air channel control system are that the structure is simple, and servo axle load can be limited so that the service life of the servo axle is enhanced and servo axle tire wearing is also reduced.
Description
Technical field
The present invention relates to a kind of air-path control system, is more particularly, to a kind of control of triple-axle coach air suspension gas circuit
System.
Background technology
Automotive suspension is one of vehicle vitals, and its elasticity is connected to vehicle body and vehicle frame, in running car, to
Buffering is passed to the impulsive force of vehicle frame or vehicle body, and the vibrations that thus decay causes by uneven road surface, to ensure that automobile can be smoothly
Traveling, the raising required vehicle riding comfort with people and the development of car suspension technology, air suspension is on car
Application it is increasingly extensive.
Air suspension of passenger car generally controls suspension system using altitude valve or ECAS (Electronic Control air suspension) systems
The middle inflation/deflation for carrying air bag, its operation principle is all the setting height(from bottom) for ensureing to carry air bag, high beyond installing when air bag is carried
During degree certain limit, carrying air bag itself will be inflated or deflate, and have a kind of triple-axle coach, the arrangement form of suspension system at present
It is that front axle adopts air suspension with drive shaft using plate spring suspension brackets, servo axis, it is big for the air suspension in this arrangement form
Part company is still used as the control system of air suspension, this triple-axle coach using altitude valve or Electronic Control air suspension
In running, servo axis premature breakdown is occurred in that, abnormal tyre wear phenomenon, this is due to drive shaft plate spring suspension brackets itself
The function of suspension height is not kept, when vehicle body load increases, drive shaft plate spring suspension brackets relative initial position has certain change
Shape, and servo axis carry air bag and to keep original setting height(from bottom), so cause to drive axle load to shift to servo axis, increase
The axle load of servo axis, reduces the service life of servo axis, increased the tire wear of servo axis.
The content of the invention
The present invention seeks to：There is provided one kind to be not only simple in structure, and servo axis axle load can be limited, improving servo axis makes
With the life-span, while reducing the triple-axle coach air suspension air-path control system of servo axis tire wear.
The technical scheme is that：A kind of triple-axle coach air suspension air-path control system, including：
Gas receiver, for storing gases at high pressure and being located at bus frame；
Automatic load Inductance valve, is connected and on bus frame with the gas receiver, while the automatic load sense
Valve is answered to lead to several carrying airbags on servo axis air suspension；
Yaw bar assembly, one end is fixedly connected with the camshaft of the automatic load Inductance valve, and drives the camshaft
Axis rotation is done, while the output pressure of the automatic load Inductance valve becomes with the change of yaw bar assembly pendulum angle
Change；
Vertical pendulum bar assembly, one end is hinged with the yaw bar assembly, and the other end is fixedly connected with drive shaft plate spring suspension brackets, when
During drive shaft bob, vertical pendulum bar assembly move up and down, and yaw bar assembly pendulum angle and drive camshaft do axle center turn
It is dynamic, so as to control the output pressure of automatic load Inductance valve.
Used as preferred technical scheme, the automatic load Inductance valve includes：Air inlet, control mouth, air vent, gas outlet
One and gas outlet two, the air inlet and the control mouth are connected by nylon tube with the gas receiver, the gas outlet
One by many siphunculus roads and it is described several carry air bags it is corresponding connect, while the output pressure of the gas outlet one is with yaw
The change of bar assembly pendulum angle and change.
Used as preferred technical scheme, the inflation inlet of the gas receiver is connected with pressure protection valve, and pressure protection valve is provided with
Opening pressure, plays a part of to protect other systems atmospheric pressure, when less than Opening pressure, inflation system will not fill to gas receiver
Gas.
Used as preferred technical scheme, the gas outlet two is connected with relief valve, and relief valve is provided with Opening pressure, and restriction is held
The limiting pressure of carrier gas capsule, improves safety and the reliability of automatic load Inductance valve.
Used as preferred technical scheme, many siphunculus roads are triplate line, while two outlets of the triplate line
Respectively by nylon tube with two carry air bag it is corresponding connect.
As preferred technical scheme, pendulum angle scope≤30 ° of the yaw bar assembly.
According to automatic load Inductance valve self character curve, determine yaw bar assembly in empty, full load by Theoretical Calculation
Setting angle and yaw bar assembly installation length, complete air suspension air-path control system arrangement, its calculation procedure（Reference
Fig. 5）：
A, require to calculate according to empty, fully loaded axle load it is unloaded with fully loaded relative pressure in carrying air bag；
B, the sky, the relative pressure of full load carrying air bag that are calculated by automatic load Inductance valve performance diagram and step a
Power calculates empty, the fully loaded setting angle α of yaw bar assembly1、α2（Initial position α is 0, controls pendulum angle scope≤α3, α3
For 30 °）；
Empty, the fully loaded height change of c, drive shaft plate spring suspension brackets is poor（I.e. empty, full-load trip h）As known conditions, by step
Rapid a calculate it is empty, fully loaded carry air bag relative pressure as desired value, while the yaw bar assembly calculated using step b
Yaw bar assembly effective length L is calculated in the setting angle of vehicle sky, full load.
It is an advantage of the invention that：Output pressure is controlled using automatic load Inductance valve, so as to control to carry air bag
In relative pressure, it is to avoid the driving axle load caused using altitude valve or ECAS systems is transferred in a large number asking for servo axis
Topic, limits servo axis axle load, improves the service life of servo axis, while the tire wear of servo axis is reduced, while the present invention three
Axle air suspension of passenger car air-path control system simple structure, facilitates production operation.
Description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Fig. 1 is present configuration front view；
Fig. 2 is present configuration top view；
Fig. 3 is automatic load Inductance valve of the present invention and yaw bar assembly, vertical pendulum bar assembly connection diagram；
Fig. 4 is triple-axle coach air suspension air-path control system connection diagram of the present invention；
Fig. 5 is that yaw bar assembly pendulum angle of the present invention calculates schematic diagram；
Wherein：1 bus frame, 2 gas receivers, 3 automatic load Inductance valves, 3-1 camshafts, 3-2 air inlets, 3-3 control mouths,
3-4 air vents, 3-5 gas outlets one, 3-6 gas outlets two, 4 carry air bag, 5 yaw bar assemblies, 6 vertical pendulum bar assemblies, 7 driving axillares
Spring suspension, 8 triplate lines, 9 nylon tubes, 10 relief valve, 11 pressure protection valves.
Specific embodiment
Embodiment：Referring to figs. 1 to shown in 4, a kind of triple-axle coach air suspension air-path control system, including：Gas receiver 2,
For storing gases at high pressure and being located at bus frame 1；Automatic load Inductance valve 3, is connected and located at passenger car with gas receiver 2
On frame 1, while automatic load Inductance valve 3 is connected with several carrying air bags 4 on servo axis air suspension；Yaw bar assembly
5, one end is fixedly connected with the camshaft 3-1 of automatic load Inductance valve 3, and drives camshaft 3-1 to do axis rotation, while automatically
The output pressure of load respondent valve 3 changes with the change of the pendulum angle of yaw bar assembly 5；Vertical pendulum bar assembly 6, one end and horizontal stroke
Fork assembly 5 is hinged, and the other end is fixedly connected with drive shaft plate spring suspension brackets 7, when drive shaft bob, vertical pendulum bar assembly 6
Move up and down, and the pendulum angle of yaw bar assembly 5 and drive camshaft 3-1 to do axis rotation, so as to control automatic load sensing
The output pressure of valve 3.
The automatic load Inductance valve 3 of the present invention includes：Air inlet 3-2, control mouth 3-3, air vent 3-4, the 3-5 of gas outlet one
And the 3-6 of gas outlet two, air inlet 3-2 and control mouth 3-3 are connected by nylon tube 9 with gas receiver 2, the 3-5 of gas outlet one leads to
Cross triplate line 8 and two nylon tubes 9 with two carry air bag 4 it is corresponding connect, while the output pressure of the 3-5 of gas outlet one with
The change of the pendulum angle of yaw bar assembly 5 and change, the 3-6 of gas outlet two is connected with relief valve 10, and relief valve 10 is provided with unlatching pressure
Power, limits the limiting pressure for carrying air bag 4, improves safety and the reliability of automatic load Inductance valve 3.
The inflation inlet of gas receiver of the present invention 2 is connected with pressure protection valve 11, and pressure protection valve 11 is provided with Opening pressure, plays
The effect of protection other systems atmospheric pressure, when less than Opening pressure, inflation system will not be inflated to gas receiver 2.
According to the self character curve of automatic load Inductance valve 3, determine yaw bar assembly 5 empty, fully loaded by Theoretical Calculation
When setting angle and the installation length of yaw bar assembly 5, complete air suspension air-path control system arrangement, its calculation procedure
（With reference to Fig. 5）：
A, require to calculate according to empty, fully loaded axle load it is unloaded with fully loaded relative pressure in carrying air bag 4；
B, the sky calculated by the performance diagram of automatic load Inductance valve 3 and step a, that full load carries air bag 4 is relative
Piezometer calculates empty, the fully loaded setting angle α of yaw bar assembly 51、α2（Initial position α is 0, controls pendulum angle scope≤α3,
α3For 30 °）；
Empty, the fully loaded height change of c, drive shaft plate spring suspension brackets 7 is poor（I.e. empty, full-load trip h）As known conditions, by step
Rapid a calculate it is empty, fully loaded carry the relative pressure of air bag 4 as desired value, while the yaw bar assembly calculated using step b
5 vehicle is empty, full load setting angle calculates effective length L of yaw bar assembly 5.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.It is all according to the present invention
Equivalence changes or modification that spirit is made, all should be included within the scope of the present invention.
Claims (6)
1. a kind of triple-axle coach air suspension air-path control system, it is characterised in that include：
Gas receiver（2）, for storing gases at high pressure and being located at bus frame（1）On；
Automatic load Inductance valve（3）, with the gas receiver（2）It is connected and located at bus frame（1）On, while described from dynamic load
Lotus Inductance valve（3）With several carrying air bags on servo axis air suspension（4）It is connected；
Yaw bar assembly（5）, one end and the automatic load Inductance valve（3）Camshaft（3-1）It is fixedly connected, and drives described
Camshaft（3-1）Axis rotation is done, while the automatic load Inductance valve（3）Output pressure with yaw bar assembly（5）Pendulum
The change of dynamic angle and change；
Vertical pendulum bar assembly（6）, one end is total with the yaw bar（5）Into being hinged, the other end and drive shaft plate spring suspension brackets（7）It is fixed to connect
Connect.
2. triple-axle coach air suspension air-path control system according to claim 1, it is characterised in that the automatic load
Inductance valve（3）Including：Air inlet（3-2）, control mouth（3-3）, air vent（3-4）, gas outlet（3-5）And gas outlet two
（3-6）, the air inlet（3-2）With the control mouth（3-3）Pass through nylon tube（9）With the gas receiver（2）Connection, it is described
Gas outlet one（3-5）Air bag is carried by many siphunculus roads with described several（4）Correspondence connection, while the gas outlet one（3-
5）Output pressure with yaw bar assembly（5）The change of pendulum angle and change.
3. triple-axle coach air suspension air-path control system according to claim 1, it is characterised in that the gas receiver
（2）Inflation inlet be connected with pressure protection valve（11）.
4. triple-axle coach air suspension air-path control system according to claim 2, it is characterised in that the gas outlet two
（3-6）It is connected with relief valve（10）.
5. triple-axle coach air suspension air-path control system according to claim 2, it is characterised in that many siphunculus roads
For triplate line（8）, while the triplate line（8）Two outlet respectively pass through nylon tube（9）With two carrying air bags（4）
Correspondence connection.
6. triple-axle coach air suspension air-path control system according to claim 1, it is characterised in that the yaw bar is total
Into（5）Pendulum angle scope≤30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190413.5A CN104827848B (en) | 2015-04-21 | 2015-04-21 | Three-axle carriage air suspension air channel control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190413.5A CN104827848B (en) | 2015-04-21 | 2015-04-21 | Three-axle carriage air suspension air channel control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104827848A CN104827848A (en) | 2015-08-12 |
| CN104827848B true CN104827848B (en) | 2017-04-12 |
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ID=53806191
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190413.5A Active CN104827848B (en) | 2015-04-21 | 2015-04-21 | Three-axle carriage air suspension air channel control system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571707B (en) * | 2017-09-21 | 2024-02-06 | 安徽安凯汽车股份有限公司 | Front independent suspension height control valve fixing support assembly and measuring method thereof |
| CN110126576A (en) * | 2019-06-20 | 2019-08-16 | 东风华神汽车有限公司 | A kind of gas control system with air suspension of lift bridge system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201095298Y (en) * | 2007-11-20 | 2008-08-06 | 黄忠祥 | Air suspension electronic control device for vehicle |
| CN202368292U (en) * | 2011-11-18 | 2012-08-08 | 北汽福田汽车股份有限公司 | Electronic control air suspension system and automobile |
| WO2012140672A2 (en) * | 2011-04-12 | 2012-10-18 | Wabco India Limited | Lift axle control valve assembly for a motor vehicle |
| CN203888565U (en) * | 2014-05-31 | 2014-10-22 | 瑞立集团瑞安汽车零部件有限公司 | Electronically controlled air suspension system of commercial vehicle |
| CN204659382U (en) * | 2015-04-21 | 2015-09-23 | 金龙联合汽车工业（苏州）有限公司 | A kind of triple-axle coach air suspension air-path control system |
-
2015
- 2015-04-21 CN CN201510190413.5A patent/CN104827848B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201095298Y (en) * | 2007-11-20 | 2008-08-06 | 黄忠祥 | Air suspension electronic control device for vehicle |
| WO2012140672A2 (en) * | 2011-04-12 | 2012-10-18 | Wabco India Limited | Lift axle control valve assembly for a motor vehicle |
| CN202368292U (en) * | 2011-11-18 | 2012-08-08 | 北汽福田汽车股份有限公司 | Electronic control air suspension system and automobile |
| CN203888565U (en) * | 2014-05-31 | 2014-10-22 | 瑞立集团瑞安汽车零部件有限公司 | Electronically controlled air suspension system of commercial vehicle |
| CN204659382U (en) * | 2015-04-21 | 2015-09-23 | 金龙联合汽车工业（苏州）有限公司 | A kind of triple-axle coach air suspension air-path control system |
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|---|---|
| CN104827848A (en) | 2015-08-12 |
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