CN104827848A - 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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- CN104827848A CN104827848A CN201510190413.5A CN201510190413A CN104827848A CN 104827848 A CN104827848 A CN 104827848A CN 201510190413 A CN201510190413 A CN 201510190413A CN 104827848 A CN104827848 A CN 104827848A
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- air
- axle
- control system
- suspension
- automatic load
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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, especially relate to a kind of triple-axle coach air suspension air-path control system.
Background technology
automotive suspension is one of vehicle vitals, it is elastomeric is connected to vehicle body and vehicle frame, when running car, passed to the impulsive force of vehicle frame or vehicle body by uneven road surface in order to buffering, and the vibrations caused thus that decay, to ensure that automobile can smoothly travel, the raising required vehicle riding comfort along with people and the development of passenger vehicle suspension technology, the application of air suspension on passenger vehicle is increasingly extensive.
air suspension of passenger car generally adopts levelling valve or ECAS (electron steering air suspension) system to control to carry in suspension system the inflation/deflation of air bag, its principle of work is all the setting height(from bottom) ensureing carrying air bag, when carrying air bag and exceeding setting height(from bottom) certain limit, carrying air bag itself will be inflated or exit, there is a kind of triple-axle coach at present, the arrangement form of suspension system is that front axle and axle drive shaft adopt plate spring suspension brackets, servo axis adopts air suspension, still levelling valve or electron steering air suspension is adopted to be used as the control system of air suspension for the air suspension major part company in this arrangement form, this triple-axle coach is in operational process, there is servo axis premature breakdown, abnormal tyre wear phenomenon, this is because axle drive shaft plate spring suspension brackets itself does not keep the function of suspension height, when vehicle body load increases, axle drive shaft plate spring suspension brackets relative initial position has certain distortion, and servo axis carrying air bag will keep original setting height(from bottom), axle drive shaft load is caused to shift to servo axis like this, increase the axle load of servo axis, reduce the service life of servo axis, add the wear on tyres of servo axis.
Summary of the invention
the present invention seeks to: not only structure is simple to provide one, and can limit servo axis axle load, improve servo axis service life, reduce the triple-axle coach air suspension air-path control system of servo axis wear on tyres simultaneously.
technical scheme of the present invention is: a kind of triple-axle coach air suspension air-path control system, comprising:
air receiver, for storing high pressure gas and being located at bus frame;
automatic load Inductance valve, is connected with described air receiver and is located on bus frame, and simultaneously to carry airbags logical for described automatic load Inductance valve and several on servo axis air suspension;
yaw bar assembly, one end is fixedly connected with the camshaft of described automatic load Inductance valve, and drives described camshaft to do axis rotation, and the output pressure of described automatic load Inductance valve changes along with the change of yaw bar assembly pendulum angle simultaneously;
vertical pendulum bar assembly, one end and described yaw bar assembly hinged, the other end is fixedly connected with axle drive shaft plate spring suspension brackets, when axle drive shaft bob, vertical pendulum bar assembly up-and-down movement, and yaw bar assembly pendulum angle drive camshaft to do axis rotation, thus control the output pressure of automatic load Inductance valve.
as preferred technical scheme, described automatic load Inductance valve comprises: admission port, control mouth, exhausr port, air extractor duct one and air extractor duct two, described admission port is all communicated with described air receiver by nylon tube with described control mouth, and described air extractor duct one carries with described several by many siphunculus road that air bag is corresponding to be communicated with, while described air extractor duct one output pressure change along with the change of yaw bar assembly pendulum angle.
as preferred technical scheme, the inflation inlet of described air receiver is connected with compressor protection switch, and compressor protection switch is provided with response pressure, plays the effect of protection other system atmospheric pressure, and when lower than response pressure, air inflator system can not be inflated to air receiver.
as preferred technical scheme, described air extractor duct two is connected with safety valve, and safety valve is provided with response pressure, and the ultimate pressure of restriction carrying air bag, improves safety and the reliability of automatic load Inductance valve.
as preferred technical scheme, described many siphunculus road is triplate line, with two, simultaneously two outlets of described triplate line carry that air bag is corresponding to be communicated with respectively by nylon tube.
as preferred technical scheme, pendulum angle scope≤30 ° of described yaw bar assembly.
according to automatic load Inductance valve self character curve, by theory calculate determination yaw bar assembly at the setting angle of empty, at full load and yaw bar assembly installation length, complete air suspension air-path control system and arrange, its calculation procedure (with reference to Fig. 5):
a, require to calculate in carrying air bag unloaded with fully loaded relative pressure according to empty, fully loaded axle load;
b, the sky calculated by automatic load Inductance valve performance diagram and step a, at full load carrying air bag relative pressure calculates the sky of yaw bar assembly, fully loaded setting angle α
1
, α
2
(initial position α is 0, controls pendulum angle scope≤α
3
, α
3
it is 30 °);
c, axle drive shaft plate spring suspension brackets sky, fully loaded height change difference (i.e. empty, full-load trip h) are as known conditions, the sky calculated by step a, fully loaded carrying air bag relative pressure are as expected value, and the yaw bar assembly simultaneously utilizing step b to calculate is empty at vehicle, the setting angle of at full load calculates yaw bar assembly effective length L.
advantage of the present invention is: utilize automatic load Inductance valve to control output pressure, thus the relative pressure controlled in carrying air bag, avoid the problem that the axle drive shaft load using levelling valve or ECAS system to cause transfers to servo axis in a large number, restriction servo axis axle load, improve the service life of servo axis, reduce the wear on tyres of servo axis, triple-axle coach air suspension air-path control system structure of the present invention is simple simultaneously, facilitates production operation simultaneously.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is structural front view of the present invention;
fig. 2 is structure birds-eye view of the present invention;
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 air receivers, 3 automatic load Inductance valves; 3-1 camshaft, 3-2 admission port, 3-3 controls mouth; 3-4 exhausr port, 3-5 air extractor duct one, 3-6 air extractor duct two; 4 carrying air bags, 5 yaw bar assemblies, 6 vertical pendulum bar assemblies; 7 axle drive shaft plate spring suspension brackets, 8 triplate lines, 9 nylon tubes; 10 safety valves, 11 compressor protection switchs.
Detailed description of the invention
embodiment: shown in 4, a kind of triple-axle coach air suspension air-path control system, comprising: air receiver 2, for storing high pressure gas and being located at bus frame 1; Automatic load Inductance valve 3, is connected with air receiver 2 and is located on bus frame 1, and simultaneously automatic load Inductance valve 3 and several on servo axis air suspension carry air bag 4 and are connected; 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, and the output pressure of automatic load Inductance valve 3 changes along with the change of yaw bar assembly 5 pendulum angle simultaneously; Vertical pendulum bar assembly 6, one end and yaw bar assembly 5 hinged, the other end is fixedly connected with axle drive shaft plate spring suspension brackets 7, when axle drive shaft bob, vertical pendulum bar assembly 6 up-and-down movement, and yaw bar assembly 5 pendulum angle drive camshaft 3-1 to do axis rotation, thus control the output pressure of automatic load Inductance valve 3.
automatic load Inductance valve 3 of the present invention comprises: admission port 3-2, control mouth 3-3, exhausr port 3-4, air extractor duct one 3-5 and air extractor duct two 3-6, admission port 3-2 is all communicated with air receiver 2 by nylon tube 9 with control mouth 3-3, with two, air extractor duct one 3-5 carries that air bag 4 is corresponding to be communicated with by triplate line 8 and two nylon tubes 9, the output pressure of air extractor duct one 3-5 changes along with the change of yaw bar assembly 5 pendulum angle simultaneously, air extractor duct two 3-6 is connected with safety valve 10, safety valve 10 is provided with response pressure, the ultimate pressure of restriction carrying air bag 4, improve safety and the reliability of automatic load Inductance valve 3.
the inflation inlet of air receiver 2 of the present invention is connected with compressor protection switch 11, and compressor protection switch 11 is provided with response pressure, plays the effect of protection other system atmospheric pressure, and when lower than response pressure, air inflator system inflate to air receiver 2.
according to automatic load Inductance valve 3 self character curve, by theory calculate determination yaw bar assembly 5 at the setting angle of empty, at full load and yaw bar assembly 5 installation length, complete air suspension air-path control system and arrange, its calculation procedure (with reference to Fig. 5):
a, require to calculate zero load and fully loaded relative pressure in carrying air bag 4 according to empty, fully loaded axle load;
b, the sky calculated by automatic load Inductance valve 3 performance diagram and step a, at full load carrying air bag 4 relative pressure calculates the sky of yaw bar assembly 5, fully loaded setting angle α
1
, α
2
(initial position α is 0, controls pendulum angle scope≤α
3
, α
3
it is 30 °);
c, axle drive shaft plate spring suspension brackets 7 sky, fully loaded height change difference (i.e. empty, full-load trip h) are as known conditions, the sky calculated by step a, fully loaded carrying air bag 4 relative pressure are as expected value, and the yaw bar assembly 5 simultaneously utilizing step b to calculate is empty at vehicle, the setting angle of at full load calculates yaw bar assembly 5 effective length L.
above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. a triple-axle coach air suspension air-path control system, is characterized in that, comprising:
Air receiver (2), for storing high pressure gas and being located at bus frame (1);
Automatic load Inductance valve (3), is connected with described air receiver (2) and is located on bus frame (1), and simultaneously described automatic load Inductance valve (3) and several on servo axis air suspension carry air bag (4) and are connected;
Yaw bar assembly (5), one end is fixedly connected with the camshaft (3-1) of described automatic load Inductance valve (3), and driving described camshaft (3-1) to do axis rotation, the output pressure of described automatic load Inductance valve (3) changes along with the change of yaw bar assembly (5) pendulum angle simultaneously;
Vertical pendulum bar assembly (6), one end becomes hinged with described yaw bar total (5), and the other end is fixedly connected with axle drive shaft plate spring suspension brackets (7).
2. triple-axle coach air suspension air-path control system according to claim 1, it is characterized in that, described automatic load Inductance valve (3) comprising: admission port (3-2), control mouth (3-3), exhausr port (3-4), air extractor duct one (3-5) and air extractor duct two (3-6), described admission port (3-2) is all communicated with described air receiver (2) by nylon tube (9) with described control mouth (3-3), described air extractor duct one (3-5) carries by many siphunculus road and described several that air bag (4) is corresponding to be communicated with, the output pressure of described air extractor duct one (3-5) changes along with the change of yaw bar assembly (5) pendulum angle simultaneously.
3. triple-axle coach air suspension air-path control system according to claim 1, is characterized in that, the inflation inlet of described air receiver (2) is connected with compressor protection switch (11).
4. triple-axle coach air suspension air-path control system according to claim 2, is characterized in that, described air extractor duct two (3-6) is connected with safety valve (10).
5. triple-axle coach air suspension air-path control system according to claim 2, it is characterized in that, described many siphunculus road is triplate line (8), with two, simultaneously two outlets of described triplate line (8) carry that air bag (4) is corresponding to be communicated with respectively by nylon tube (9).
6. triple-axle coach air suspension air-path control system according to claim 1, is characterized in that, pendulum angle scope≤30 ° of described yaw bar assembly (5).
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 true CN104827848A (en) | 2015-08-12 |
| CN104827848B CN104827848B (en) | 2017-04-12 |
Family
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Family Applications (1)
| 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571707A (en) * | 2017-09-21 | 2018-01-12 | 安徽安凯汽车股份有限公司 | A kind of IFS Independent Front Suspension levelling valve fixing support assembly and its measuring method |
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| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571707A (en) * | 2017-09-21 | 2018-01-12 | 安徽安凯汽车股份有限公司 | A kind of IFS Independent Front Suspension levelling valve fixing support assembly and its measuring method |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104827848B (en) | 2017-04-12 |
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