CN104723827B - A kind of bearing bridge control system - Google Patents
A kind of bearing bridge control system Download PDFInfo
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- CN104723827B CN104723827B CN201510119378.8A CN201510119378A CN104723827B CN 104723827 B CN104723827 B CN 104723827B CN 201510119378 A CN201510119378 A CN 201510119378A CN 104723827 B CN104723827 B CN 104723827B
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- bearing bridge
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Abstract
The invention discloses a kind of bearing bridge control system, belong to heavy motor truck technical field.This bearing bridge control system, including: the first load sensing valve, the first stop valve, the first controlled valve, the first lifting air bag, the first carrying air bag and gas receiver；The control mouth of described first load sensing valve is connected with described gas receiver respectively with air inlet, the gas outlet of described first load sensing valve is connected with one end of described first controlled valve, the other end of described first controlled valve carries airbags with the control mouth of described first stop valve and described first respectively, the gas outlet of described first stop valve and described first promotes airbags, and the air inlet of described first stop valve is connected with described gas receiver.This bearing bridge control system, low cost of manufacture, break down after, it is easy to carry out diagnosing, keeping in repair.
Description
Technical field
The present invention relates to heavy motor truck technical field, particularly to a kind of bearing bridge control system.
Background technology
For heavy three axles or four axle cargo vehicles, one root bearing bridge can be raised up time unloaded, three axle loadings
Car becomes two-axle car；If four axle load-carrying vehicles promote one or two bearing bridges, then become three axle car even two-axle cars, can reduce
Car load resistance, makes to have during zero load preferable fuel economy；Full load, puts down bearing bridge, thus increases the carrying of car load
Ability.Owing to air suspension has preferable vibration damping and load-carrying properties, carrying and the lifting majority of bearing bridge use air suspension,
Wherein, the air suspension with enhanced feature can promote according to car load situation or landing bearing bridge, so that car load tool
There are preferable fuel economy and load-carrying properties.
As it is shown in figure 1, be the structural representation of air suspension control system of the prior art, including: ECU
(Electronic Control Unit, electronic control unit) 1, magnetic valve 2, gas receiver 3, support air bag 4, promote air bag 5,
First pressure sensor the 6, second pressure sensor 7 and height sensor 8, wherein, support air bag 4 passes through the first of magnetic valve 2
Path is connected with gas receiver 3, promotes air bag 5 and is connected with gas receiver 3 by the alternate path of magnetic valve 2, the first path and second
Path is in synchronization one conducting, a closedown, and the first pressure sensor 6 is arranged in support air bag 4, the second pressure sensing
Device 7 is arranged on lifting air bag 5, and support air bag 4 and lifting air bag 5 are all arranged between bearing bridge and carriage frame, highly
Sensor 8 is arranged on adjacent with elevated bearing bridge bearing bridge (such as drive axle) that can not be elevated, by sensing
Its load change situation, detects hoisting depth, magnetic valve the 2, first pressure sensor the 6, second pressure sensor 7 and height
Degree sensor 8 is connected with ECU 1 respectively.Connected mode between each parts is distinguish between by dotted line or the solid line of lines, real
Line represents that gas circuit connects, and dotted line represents circuit and connects.This air suspension control system, owing to using the ECU 1 of more precision, electricity
Magnet valve 2 and high-precision sensor, cause relatively costly, when electronic control system breaks down, it is necessary to uses special examining
Disconnected instrument just can carry out fault diagnosis, is not easy to keep in repair.
Summary of the invention
Embodiments provide a kind of bearing bridge control system, low cost of manufacture, break down after, it is easy to examine
Disconnected, maintenance.
The technical scheme that the embodiment of the present invention provides is as follows:
A kind of bearing bridge control system, including: the first load sensing valve, the first stop valve, the first controlled valve, the first lifting gas
Capsule, the first carrying air bag and gas receiver；The control mouth of described first load sensing valve is connected with described gas receiver respectively with air inlet, institute
One end of the gas outlet and described first controlled valve of stating the first load sensing valve is connected, the other end of described first controlled valve respectively with institute
State control mouth and described first carrying airbags, the gas outlet of described first stop valve and described first of the first stop valve
Promoting airbags, the air inlet of described first stop valve is connected with described gas receiver.
Preferably, also include: the second controlled valve, the second stop valve, the second carrying air bag and second promote air bag；Described
One end of two controlled valves is connected with the gas outlet of described first load sensing valve, and the other end of described second controlled valve is respectively with described
The control mouth of two carrying air bags and described second stop valve is connected, the air inlet of described second stop valve and described gas receiver phase
Even, the gas outlet and described second of described second stop valve promotes airbags.
Preferably, also include: the second controlled valve, the second load sensing valve, the second stop valve, the second carrying air bag and second promote
Air bag；The control mouth of described second load sensing valve is connected with described gas receiver respectively with air inlet, giving vent to anger of described second load sensing valve
Mouth is connected with one end of described second controlled valve, and the other end of described second controlled valve carries air bag and institute with described second respectively
The control mouth stating the second stop valve is connected, and the air inlet of described second stop valve is connected with described gas receiver, described second cut-off
The gas outlet of valve and described second promotes airbags.
Preferably, described first controlled valve and described second controlled valve are all hand control valve.
Preferably, described first controlled valve and described second controlled valve are all magnetic valve.
Preferably, also include: the first operation switch being connected with described first controlled valve and described second controlled valve are connected
Second operation switch.
Preferably, in described first controlled valve and described second controlled valve, one is hand control valve, and another is magnetic valve.
Preferably, also include: the operation switch being connected with described magnetic valve.
The bearing bridge control system that the embodiment of the present invention provides, controlled by the first load sensing valve, the first stop valve and first
The cooperation of valve, controls the first lifting air bag and the first carrying airbag aeration or venting, thus realize the lifting to bearing bridge, under
The relevant controls such as fall, normal traveling, this bearing bridge Control system architecture is simple, low cost of manufacture, and functional reliability is high, event occurs
After barrier, it is possible to diagnose easily and keep in repair.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only described in the present invention
A little embodiments, for those of ordinary skill in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of air suspension control system of the prior art；
Fig. 2 is the structural representation of a kind of bearing bridge control system that the embodiment of the present invention provides；
Fig. 3 is the structural representation of the second bearing bridge control system that the embodiment of the present invention provides；
Fig. 4 is the structural representation of the third bearing bridge control system that the embodiment of the present invention provides.
Prior art reference:
1-ECU；2-magnetic valve；3-gas receiver；4-support air bag；5-promotes air bag；
6-the first pressure sensor；7-the second pressure sensor；8-height sensor；
Embodiment of the present invention reference:
9-the first load sensing valve；10-the first stop valve；11-the first controlled valve；12-first promotes air bag；
13-first carries air bag；14-gas receiver；15-the second load sensing valve；16-the second stop valve；
17-the second controlled valve；18-second promotes air bag；19-second carries air bag.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the scheme of the embodiment of the present invention, below in conjunction with the accompanying drawings and implement
The embodiment of the present invention is described in further detail by mode.
Embodiments provide a kind of bearing bridge control system, as in figure 2 it is shown, include: the first load sensing valve 9, first
Stop valve the 10, first controlled valve 11, first promotes air bag 12, first and carries air bag 13 and gas receiver 14, the control of the first load sensing valve 9
Donsole is connected with gas receiver 14 respectively with air inlet, and the gas outlet of the first load sensing valve 9 is connected with one end of the first controlled valve 11, the
The other end of one controlled valve 11 is connected with control mouth and the first carrying air bag 13 of the first stop valve 10 respectively, the first cut-off
The gas outlet of valve 10 promotes air bag 12 with first and is connected, and the air inlet of the first stop valve 10 is connected with gas receiver 14.Wherein, first
Promoting air bag 12 and the first carrying air bag 13 is all arranged between bearing bridge and carriage frame, the fork of the first load sensing valve 9 connects
On the adjacent bearing bridge of vehicle, by sensing its motion conditions, control the first load sensing valve 9 and export corresponding force value, and then
Control the force value of the first stop valve 10 output, thus one controlled in the first carrying air bag 13 and the first lifting air bag 12 puts
Gas, another inflation, thus bearing bridge promoted, decline, the normal relevant control such as traveling.This bearing bridge control system is tied
Structure is simple, low cost of manufacture, and functional reliability is high, after breaking down, it is possible to diagnose easily and keep in repair.
The operation principle of above-mentioned bearing bridge control system is as follows:
During normal vehicle operation, the fork of the first load sensing valve 9 is connected on bearing bridge adjacent on vehicle, senses it
Motion conditions, controls the compressed-air actuated pressure by the first load sensing valve 9 according to the load weight of vehicle carrying, it is achieved to first
Promote air bag 12 and the real-time control of the second carrying air bag 13.Specifically, operate the first controlled valve 11 to be at opening shape
State, the compressed air in gas receiver 14 is through the control mouth of the first load sensing valve 9 so that the first load sensing valve 9 is opened, and compressed gas is through entering
Gas port enters the first load sensing valve 9, is divided into two-way after the gas outlet of the first load sensing valve 9 enters the first controlled valve 11, and a road enters
First carrying air bag 13, makes the first carrying air bag 13 inflate；Another road enters the control mouth of the first stop valve 10, controls first section
The only inlet close of valve 10 so that the compressed air in gas receiver 14 cannot be introduced into the first lifting air bag 12, thus control the
One promotes air bag 12 exits.
Promote and control: operating the first controlled valve 11 and make it close, the compressed air in gas receiver 14 cannot be introduced into first and holds
Carrier gas capsule 13, so that the compressed air that the first carrying air bag 13 and the first stop valve 10 control mouth is released, is simultaneously from storage
The compressed air of inflator 14 enters the first lifting air bag from the air inlet of the first stop valve 10 through the gas outlet of the first stop valve 10
12, promote air bag 12 progressively gassy by first, so that bearing bridge is elevated.
Decline and control: be identical with the operation principle of normal vehicle operation process, exit by controlling the first lifting air bag 12,
First carrying air bag 13 is inflated and is put down by bearing bridge, it is achieved bearing function.
The embodiment of the present invention additionally provides a kind of bearing bridge control system, as it is shown on figure 3, this bearing bridge control system is at figure
On the basis of bearing bridge control system shown in 2, further comprise: second controlled valve the 17, second stop valve 16, second carries
Air bag 19 and second promotes air bag 18；Wherein, one end of the second controlled valve 17 is connected with the gas outlet of the first load sensing valve 9, and second
The other end respectively with the second carrying air bag 19 of controlled valve 17 and the control mouth of the second stop valve 16 are connected, the second stop valve
The air inlet of 16 is connected with gas receiver 14, and the gas outlet of the second stop valve 16 promotes air bag 18 with second and is connected.This bearing bridge control
System processed with the difference of the bearing bridge control system shown in Fig. 2 is, single bearing bridge can be controlled by the control system in Fig. 2
System, and two bearing bridges can be controlled by the control system in Fig. 3 simultaneously.
The operation principle of this bearing bridge control system is as follows:
During normal vehicle operation, the fork of the first load sensing valve 9 is connected on bearing bridge adjacent on vehicle, senses it
Motion conditions, controls the compressed-air actuated pressure by the first load sensing valve 9, it is achieved the real-time control to gasbag pressure.Concrete and
Speech, operates the first controlled valve 11 and is at opening, and compressed air enters from the air inlet of the first controlled valve 11, from giving vent to anger
Mouth divides two-way, a road to enter the first carrying air bag 13 after flowing out, another road enters the control mouth of the first stop valve 10, control first
The inlet close of stop valve 10 so that the compressed air in gas receiver 14 cannot be introduced into the first lifting air bag 12, thus controls
First promotes air bag 12 exits.In like manner, operating the second controlled valve 17 and be at opening, compressed air is from the second controlled valve
The air inlet of 17 enters, and flows out a point two-way from gas outlet, and a road enters the second carrying air bag 19, and another road enters the second stop valve
The control mouth of 16, controls the inlet close of the second stop valve 16 so that the compressed air in gas receiver 14 cannot be introduced into second
Promote air bag 18 so that second promotes air bag 18 is in deflation status.
Promote and control: be closed by operating the first controlled valve 11, the first carrying air bag 13 and the first stop valve
10 compressed airs controlling mouth are released, and are simultaneously from the compressed air air inlet stream from the first stop valve 10 of gas receiver 14
Enter, exit into the first lifting air bag 12 from gas outlet, be that the first lifting air bag 12 is inflated, it is achieved the first bearing bridge is carried
Rise.In like manner, being closed by operating the second controlled valve 17, the second carrying air bag 19 and the second stop valve 16 control mouth
Compressed air is released, and the compressed air being simultaneously from gas receiver 14 flows into from the air inlet of the second stop valve 16, from gas outlet
Exiting into the second lifting air bag 18, second promotes air bag 18 inflates, it is achieved the lifting to the second bearing bridge.
Decline and control: when needs decline, operate the first controlled valve 11 and the second controlled valve 17 is in opening, now
Whole loop is identical with normal transport condition, and the first lifting air bag 12 and the second lifting air bag 18 are exitted, the first carrying air bag 13
Inflating with the second carrying air bag 19, two bearing bridges are laid down.
Two control loops of this bearing bridge control system are owing to sharing first load sensing valve 9, by the first load sensing valve 9
The load weight of sensing vehicle carrying, it is possible to automatically the first bearing bridge and the second bearing bridge are promoted simultaneously or decline control,
If needing individually wherein bearing bridge to be carried out elevating control, then need to be manually operated the first controlled valve 11 or the
Two controlled valves 17 are realized.
As shown in Figure 4, for the structural representation of the third bearing bridge control system that the embodiment of the present invention provides, this carrying
Bridge control system, on the basis of the bearing bridge control system shown in Fig. 2, further comprises: the second controlled valve 17, second is felt
Carry valve the 15, second stop valve 16, second and carry air bag 19 and the second lifting air bag 18；Wherein, the control mouth of the second load sensing valve 15
Being connected with gas receiver 14 respectively with air inlet, the gas outlet of the second load sensing valve 15 is connected with one end of the second controlled valve 17, and second
The other end of controlled valve 17 is connected with the second control mouth carrying air bag 19 and the second stop valve 16 respectively, the second stop valve 16
Air inlet is connected with gas receiver 14, and the gas outlet of the second stop valve 16 promotes air bag 18 with second and is connected.
The operation principle of this bearing bridge control system is as follows:
During normal vehicle operation: the fork of the first load sensing valve 9 and the second load sensing valve 15 connects and the first carrying respectively
On bridge and the adjacent bearing bridge of the second bearing bridge, sense its motion conditions, control by the compression in two load sensing valves empty respectively
The pressure of gas, it is achieved the real-time control to gasbag pressure.Specifically, it is closed by operating the first controlled valve 11,
First carrying air bag 13 and the first stop valve 10 control the compressed air of mouth and are released, and are simultaneously from the compressed air of gas receiver 14
Flow into from the air inlet of the first stop valve 10, exit into the first lifting air bag 12 from gas outlet, promote air bag 12 to first and enter
Row inflation, thus realize the lifting to the first bearing bridge.In like manner, it is closed by operating the second controlled valve 17, second
Carrying air bag 19 and the second stop valve 16 control the compressed air of mouth and are released, and are simultaneously from the compressed air of gas receiver 14 from the
The air inlet of two stop valves 16 flows into, and exits into the second lifting air bag 18 from gas outlet, it is achieved the lifting to the second bearing bridge.
Decline and control: operating the first controlled valve 11 and be in opening, compressed air is from the air inlet of the first controlled valve 11
Entering, flow out a point two-way from gas outlet, a road enters the first carrying air bag 13, and another road enters the control of the first stop valve 10
Mouthful, control the first stop valve 10 and exit so that first promotes air bag 12 is in deflation status, controls the first bearing bridge and is laid down.
In like manner, operating the second controlled valve 17 and be in opening, compressed air enters from the air inlet of the second controlled valve 17, from gas outlet
Flowing out a point two-way, a road enters the second carrying air bag 19, and another road enters the control mouth of the second stop valve 16, controls the second cut-off
The inlet close of valve 16 so that second promotes air bag 18 is in deflation status, controls the second bearing bridge and is laid down.
This bearing bridge control system, is respectively adopted the first load sensing valve 9 due to two control loops and the second load sensing valve 15 is right
First bearing bridge and the second bearing bridge are controlled, and cargo vehicle can individually control first hold according to the needs of actual load
Carry bridge or the second bearing bridge is in lifting or decline state, it is also possible to be manually operated the first controlled valve 11 or the second controlled valve
In 17 one, the control that the first bearing bridge or the second bearing bridge are promoted or decline.
Wherein, above-mentioned first controlled valve 11 and the second controlled valve 17 can use hand control valve or electromagnetism as required
Valve, specifically can according to actual needs, manufacturing cost etc. selects.
When the first controlled valve 11 and the second controlled valve 17 all use hand control valve, it is possible to conveniently by manually regulate into
Row opens or closes, and manufacturing cost is relatively low；
When the first controlled valve 11 and the second controlled valve 17 all use magnetic valve, open for the ease of Non-follow control magnetic valve
Or close, two the first operation switches being connected with the first controlled valve 11 respectively can be additionally set and the second controlled valve 17 is connected
The second operation switch, by the first operation switch and the manual regulation of the second operation switch, it is possible to control magnetic valve respectively
Opening and closing；
When in the first controlled valve 11 and the second controlled valve 17, one uses hand control valve, and another uses magnetic valve, for
Be easy to opening or closing of Non-follow control magnetic valve, it is also possible to an operation switch being connected with magnetic valve is additionally set, logical
Cross manually operated operation switch, it is possible to the opening and closing to magnetic valve is controlled.
The bearing bridge control system that the embodiment of the present invention provides, controlled by the first load sensing valve, the first stop valve and first
The cooperation of valve, controls the first lifting air bag and the first carrying airbag aeration or venting, thus realize the lifting to bearing bridge, under
The relevant controls such as fall, normal traveling, this bearing bridge Control system architecture is simple, low cost of manufacture, and functional reliability is high, event occurs
After barrier, it is possible to diagnose easily and keep in repair.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (8)
1. a bearing bridge control system, it is characterised in that including: the first load sensing valve, the first stop valve, the first controlled valve,
One promotes air bag, the first carrying air bag and gas receiver；The control mouth of described first load sensing valve and air inlet respectively with described gas storage
Cylinder is connected, and the gas outlet of described first load sensing valve is connected with one end of described first controlled valve, another of described first controlled valve
End carries airbags, the gas outlet of described first stop valve with the control mouth of described first stop valve and described first respectively
Promoting airbags with described first, the air inlet of described first stop valve is connected with described gas receiver.
Bearing bridge control system the most according to claim 1, it is characterised in that also include: the second controlled valve, the second cut-off
Valve, the second carrying air bag and second promote air bag；The gas outlet phase of one end of described second controlled valve and described first load sensing valve
Even, the other end of described second controlled valve carries air bag and the control mouth phase of described second stop valve with described second respectively
Even, the air inlet of described second stop valve is connected with described gas receiver, and the gas outlet of described second stop valve and described second carries
Rise airbags.
Bearing bridge control system the most according to claim 1, it is characterised in that also include: the second controlled valve, the second sense carry
Valve, the second stop valve, the second carrying air bag and second promote air bag；The control mouth of described second load sensing valve and air inlet respectively with
Described gas receiver is connected, and the gas outlet of described second load sensing valve is connected with one end of described second controlled valve, described second controlled
The other end of valve is connected with the described second control mouth carrying air bag and described second stop valve respectively, described second stop valve
Air inlet is connected with described gas receiver, and the gas outlet of described second stop valve and described second promotes airbags.
4. according to the bearing bridge control system described in any one of Claims 2 or 3, it is characterised in that: described first controlled valve and
Described second controlled valve is all hand control valve.
5. according to the bearing bridge control system described in any one of Claims 2 or 3, it is characterised in that: described first controlled valve and
Described second controlled valve is all magnetic valve.
Bearing bridge control system the most according to claim 5, it is characterised in that also include: with described first controlled valve phase
The second operation switch that the first operation switch even is connected with described second controlled valve.
7. according to the bearing bridge control system described in any one of Claims 2 or 3, it is characterised in that: described first controlled valve and
In described second controlled valve, one is hand control valve, and another is magnetic valve.
Load bridge control system the most according to claim 7, it is characterised in that also include: the behaviour being connected with described magnetic valve
Switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119378.8A CN104723827B (en) | 2015-03-18 | 2015-03-18 | A kind of bearing bridge control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119378.8A CN104723827B (en) | 2015-03-18 | 2015-03-18 | A kind of bearing bridge control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104723827A CN104723827A (en) | 2015-06-24 |
| CN104723827B true CN104723827B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510119378.8A Active CN104723827B (en) | 2015-03-18 | 2015-03-18 | A kind of bearing bridge control system |
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| CN (1) | CN104723827B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627027B (en) * | 2016-11-18 | 2018-10-30 | 安徽江淮汽车集团股份有限公司 | A kind of airsuspension system and control method with enhanced feature |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2728816Y (en) * | 2004-10-20 | 2005-09-28 | 中国重型汽车集团有限公司 | Heavy-duty truck chassis |
| US7416190B2 (en) * | 2005-09-01 | 2008-08-26 | Arlin Gene Sandbulte | Air suspension system for a vehicle |
| CN201009701Y (en) * | 2007-01-25 | 2008-01-23 | 青岛锐德世达科技有限公司 | Air suspension device for lifting axle of air amortization |
| CN202541239U (en) * | 2012-04-20 | 2012-11-21 | 北京柯布克汽车技术有限公司 | Air suspension control device of lift bridge |
| CN204488418U (en) * | 2015-03-18 | 2015-07-22 | 安徽江淮汽车股份有限公司 | A kind of bearing bridge control system |
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2015
- 2015-03-18 CN CN201510119378.8A patent/CN104723827B/en active Active
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |