CN104696699A - Air filling device special for position-control type air spring - Google Patents
Air filling device special for position-control type air spring Download PDFInfo
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- CN104696699A CN104696699A CN201310660250.3A CN201310660250A CN104696699A CN 104696699 A CN104696699 A CN 104696699A CN 201310660250 A CN201310660250 A CN 201310660250A CN 104696699 A CN104696699 A CN 104696699A
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Abstract
The invention provides an air filling device special for a position-control type air spring which is used for ensuring that a plane is always in a balanced state. The technical scheme is that the air filling device comprises a hand-operated direction valve 1, an electric regulating valve 2, a first electromagnetic cutting valve 3, an air spring 4, a first manual regulating valve 5, a second electromagnetic cutting valve 6, an electromagnetic exhaust valve 7, a second manual regulating valve 8, a needle valve 9 and a muffler 10, wherein the input end of the hand-operated direction valve 1 is connected with an air source and is used for receiving nitrogen from the air source; the input end of the electric regulating valve 2 is connected with the output end of the hand-operated direction valve 1 and is used for automatically adjusting the nitrogen flow of a branch; the input end of the first electromagnetic cutting valve 3 is connected with the output end of the electric regulating valve 2 and is used for automatic shutdown when the air spring 4 reaches a set value; and the input end of the air spring 4 is connected with the output end of the first electromagnetic cutting valve 3 and the output end of the second electromagnetic cutting valve 6 and is used for receiving nitrogen to support the plane.
Description
Technical field
The invention belongs to the aircraft suspension supporting technology in aircraft floor vibration test, relate to a kind of position control formula pneumatic spring device special for inflation.
Background technique
Because aircraft suspension supporting technology is special high-end research field, up to the present, domestic do not have to produce the producer ensureing the self-filler of aircraft state in aircraft suspends support.In pneumatic spring back-up system in early days, inflation/deflation is mainly by valve Non-follow control, because the airtightness features of air spring system cannot ensure in a strict sense, so staff wants the state of irregular inspection aircraft, ensure that the support of aircraft is in state of equilibrium by manually inflating timely pneumatic spring and exit.Shortcoming is: 1) time-consuming, effort; 2) aircraft state can not ensure constantly; 3) stability and poor stability.
Summary of the invention
Goal of the invention: provide a kind of position to control formula pneumatic spring device special for inflation, ensures that aircraft is in state of equilibrium all the time, and during to meet present generation aircraft Ground Vibration Test, requirement is supported in the suspension of aircraft.
Technological scheme: a kind of position control formula pneumatic spring device special for inflation, comprising:
Hand-operated direction valve 1, electric control valve 2, first electromagnetic shut-off valve 3, pneumatic spring 4, first manual modulation valve 5, second electromagnetic shut-off valve 6, electromagnetic exhaust valve 7, second manual modulation valve 8, needle-valve 9, silencing apparatus 10;
Hand-operated direction valve 1 input end is connected with source of the gas, for receiving the nitrogen from source of the gas;
Electric control valve 2 input end is connected with hand-operated direction valve 1 output terminal, for automatically adjusting the nitrogen flow of this branch road;
First electromagnetic shut-off valve 3 input end is connected with electric control valve 2 output terminal, for after pneumatic spring 4 reaches setting value, automatically closes;
First manual modulation valve 5 input end is connected with hand-operated direction valve 1 output terminal, for manually adjusting the nitrogen flow of this branch road;
Second electromagnetic shut-off valve 6 input end is connected with the first manual modulation valve 5 output terminal, for after pneumatic spring 4 reaches setting value, automatically closes;
Pneumatic spring 4 input end is connected with the first electromagnetic shut-off valve 3 output terminal and the second electromagnetic shut-off valve 6 output terminal respectively, for receiving nitrogen rest aircraft;
Electromagnetic exhaust valve 7 input end is connected with the first electromagnetic shut-off valve 3 output terminal and the second electromagnetic shut-off valve 6 output terminal respectively, for automatically outwards losing heart when the overshoot of air spring position;
Second manual modulation valve 8 input end is connected with the first electromagnetic shut-off valve 3 output terminal and the second electromagnetic shut-off valve 6 output terminal respectively, for manually outwards losing heart when the overshoot of air spring position;
Needle-valve 9 input end is connected with electromagnetic exhaust valve 7 output terminal and the second manual modulation valve 8 output terminal respectively, for controlling disappointing flow;
Silencing apparatus 10 input end is connected with needle-valve 9 output terminal, for eliminating disappointing noise.
Beneficial effect:
After aircraft rest completes, this device is beaten in automatic mode, can ensure that within the scope of spring balancing position ± 3mm, automatic inflating carries out position regulation.
Ensure that the stability of aspect in Ground Vibration Test process.
There is high safety and reliability.
Eliminate the process that people is tonifying Qi, substantially increase working efficiency.
Accompanying drawing explanation
Fig. 1 is the pneumatic principle schematic diagram of position of the present invention control formula pneumatic spring device special for inflation;
Fig. 2 is pneumatic spring positioning control schematic diagram in the present invention;
Wherein: hand-operated direction valve-1, electric control valve-2, the first electromagnetic shut-off valve-3, pneumatic spring-4, the first manual modulation valve-5, the second electromagnetic shut-off valve-6, electromagnetic exhaust valve-7, the second manual modulation valve-8, needle-valve-9, silencing apparatus-10.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The invention provides a kind of position control formula pneumatic spring device special for inflation, as shown in Figure 1, comprising:
Hand-operated direction valve 1, electric control valve 2, first electromagnetic shut-off valve 3, pneumatic spring 4, first manual modulation valve 5, second electromagnetic shut-off valve 6, electromagnetic exhaust valve 7, second manual modulation valve 8, needle-valve 9, silencing apparatus 10;
Hand-operated direction valve 1 input end is connected with source of the gas, for receiving the nitrogen from source of the gas;
Electric control valve 2 input end is connected with hand-operated direction valve 1 output terminal, for automatically adjusting the nitrogen flow of this branch road;
First electromagnetic shut-off valve 3 input end is connected with electric control valve 2 output terminal, for after pneumatic spring 4 reaches setting value, automatically closes;
First manual modulation valve 5 input end is connected with hand-operated direction valve 1 output terminal, for manually adjusting the nitrogen flow of this branch road;
Second electromagnetic shut-off valve 6 input end is connected with the first manual modulation valve 5 output terminal, for after pneumatic spring 4 reaches setting value, automatically closes;
Pneumatic spring 4 input end is connected with the first electromagnetic shut-off valve 3 output terminal and the second electromagnetic shut-off valve 6 output terminal respectively, for receiving nitrogen rest aircraft;
Electromagnetic exhaust valve 7 input end is connected with the first electromagnetic shut-off valve 3 output terminal and the second electromagnetic shut-off valve 6 output terminal respectively, for automatically outwards losing heart when the overshoot of air spring position;
Second manual modulation valve 8 input end is connected with the first electromagnetic shut-off valve 3 output terminal and the second electromagnetic shut-off valve 6 output terminal respectively, for manually outwards losing heart when the overshoot of air spring position;
Needle-valve 9 input end is connected with electromagnetic exhaust valve 7 output terminal and the second manual modulation valve 8 output terminal respectively, for controlling disappointing flow;
Silencing apparatus 10 input end is connected with needle-valve 9 output terminal, for eliminating disappointing noise.
Workflow of the present invention is as follows:
1, hand-operated direction valve 1 is switched, selective system mode of operation (manual/auto);
2, under automatic control mode, controller adjusts electric control valve 2 automatically, controls to enter air spring high-pressure gas flow, adjustment pneumatic spring position.After systems axiol-ogy reaches setting value to air spring position, automatically close the first electromagnetic shut-off valve 3, cut off source of the gas;
3, under MANUAL CONTROL mode, artificial adjustment manual modulation valve 5, controls to enter air spring high-pressure gas flow, adjustment pneumatic spring position.After systems axiol-ogy reaches setting value to air spring position, automatically close the second electromagnetic shut-off valve 6, cut off source of the gas;
4, when the overshoot of air spring position, can open electromagnetic exhaust valve 7, adjustment manual modulation valve 8, carries out exitting to reduce air spring position.
In the present invention, pneumatic spring positioning control principle is as follows: controller sends control signal, is converted into voltage signal U through D/A, and signal amplifies through modulating valve driver, controls electric control valve, namely changes valve core opening displacement, thus controls pneumatic spring position; Pneumatic spring displacement is detected by displacement transducer and is converted to the electrical signal linear with it, sends system input back to, thus forms closed loop control, as shown in Figure 2 through feedback loop.
When controller detects the overshoot of air spring position, automatically open electromagnetic exhaust valve 7, carry out exitting to reduce pneumatic spring position.
According to the position control formula pneumatic spring device special for inflation of the present invention's development, successfully be applied in the suspension support of certain model aircraft Ground Vibration Test in October, 2012, the Bit andits control of getting off the plane in rest state is within the scope of zero-bit ± 3mm, achieve the level of aircraft in rest, greatly reduce the risk of aircraft rest, there is high safety and reliability.And operation is very flexible, convenient, improves efficiency.The requirement supported when meeting present generation aircraft ground vibration completely.Aircraft development for China has been made should have contribution.
Claims (1)
1. a position control formula pneumatic spring device special for inflation, is characterized in that, comprising:
Hand-operated direction valve [1], electric control valve [2], the first electromagnetic shut-off valve [3], pneumatic spring [4], the first manual modulation valve [5], the second electromagnetic shut-off valve [6], electromagnetic exhaust valve [7], the second manual modulation valve [8], needle-valve [9], silencing apparatus [10];
Hand-operated direction valve [1] input end is connected with source of the gas, for receiving the nitrogen from source of the gas;
Electric control valve [2] input end is connected with hand-operated direction valve [1] output terminal, for automatically adjusting the nitrogen flow of this branch road;
First electromagnetic shut-off valve [3] input end is connected with electric control valve [2] output terminal, for after pneumatic spring [4] reaches setting value, automatically closes;
First manual modulation valve [5] input end is connected with hand-operated direction valve [1] output terminal, for manually adjusting the nitrogen flow of this branch road;
Second electromagnetic shut-off valve [6] input end is connected with the first manual modulation valve [5] output terminal, for after pneumatic spring [4] reaches setting value, automatically closes;
Pneumatic spring [4] input end is connected with the first electromagnetic shut-off valve [3] output terminal and the second electromagnetic shut-off valve [6] output terminal respectively, for receiving nitrogen rest aircraft;
Electromagnetic exhaust valve [7] input end is connected with the first electromagnetic shut-off valve [3] output terminal and the second electromagnetic shut-off valve [6] output terminal respectively, for automatically outwards losing heart when the overshoot of air spring position;
Second manual modulation valve [8] input end is connected with the first electromagnetic shut-off valve [3] output terminal and the second electromagnetic shut-off valve [6] output terminal respectively, for manually outwards losing heart when the overshoot of air spring position;
Needle-valve [9] input end is connected with electromagnetic exhaust valve [7] output terminal and the second manual modulation valve [8] output terminal respectively, for controlling disappointing flow;
Silencing apparatus [10] input end is connected with needle-valve [9] output terminal, for eliminating disappointing noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310660250.3A CN104696699B (en) | 2013-12-06 | 2013-12-06 | Air filling device special for position-control type air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310660250.3A CN104696699B (en) | 2013-12-06 | 2013-12-06 | Air filling device special for position-control type air spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104696699A true CN104696699A (en) | 2015-06-10 |
| CN104696699B CN104696699B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310660250.3A Active CN104696699B (en) | 2013-12-06 | 2013-12-06 | Air filling device special for position-control type air spring |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000060276A1 (en) * | 1999-03-30 | 2000-10-12 | Leybold Vakuum Gmbh | Seal-gas valve device |
| KR20090092984A (en) * | 2008-02-28 | 2009-09-02 | 현대중공업 주식회사 | Multipurpose Gas Handling System Using High Duty Compressor for Liquefied Natural Gas Carrier |
| CN201606654U (en) * | 2010-01-08 | 2010-10-13 | 张家港富瑞特种装备股份有限公司 | Filling machine for liquefied natural gas |
| CN201714898U (en) * | 2010-06-25 | 2011-01-19 | 株洲时代新材料科技股份有限公司 | Pneumatic automatic airbag adjusting device |
| CN202213721U (en) * | 2011-06-03 | 2012-05-09 | 张伟 | Device for comprehensively protecting ground nitrogen charge of aircraft |
| CN202452114U (en) * | 2012-02-14 | 2012-09-26 | 云南昆钢煤焦化有限公司 | Safe gas supply device |
-
2013
- 2013-12-06 CN CN201310660250.3A patent/CN104696699B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000060276A1 (en) * | 1999-03-30 | 2000-10-12 | Leybold Vakuum Gmbh | Seal-gas valve device |
| KR20090092984A (en) * | 2008-02-28 | 2009-09-02 | 현대중공업 주식회사 | Multipurpose Gas Handling System Using High Duty Compressor for Liquefied Natural Gas Carrier |
| CN201606654U (en) * | 2010-01-08 | 2010-10-13 | 张家港富瑞特种装备股份有限公司 | Filling machine for liquefied natural gas |
| CN201714898U (en) * | 2010-06-25 | 2011-01-19 | 株洲时代新材料科技股份有限公司 | Pneumatic automatic airbag adjusting device |
| CN202213721U (en) * | 2011-06-03 | 2012-05-09 | 张伟 | Device for comprehensively protecting ground nitrogen charge of aircraft |
| CN202452114U (en) * | 2012-02-14 | 2012-09-26 | 云南昆钢煤焦化有限公司 | Safe gas supply device |
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| CN104696699B (en) | 2017-01-18 |
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