CN203981382U - Large flow pneumatic accessories testing table - Google Patents
Large flow pneumatic accessories testing table Download PDFInfo
- Publication number
- CN203981382U CN203981382U CN201420275867.3U CN201420275867U CN203981382U CN 203981382 U CN203981382 U CN 203981382U CN 201420275867 U CN201420275867 U CN 201420275867U CN 203981382 U CN203981382 U CN 203981382U
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- China
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- measured piece
- air intake
- intake pipe
- admission line
- protective cover
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Abstract
The utility model belongs to airplane parts technical field of measurement and test, particularly a kind of large flow pneumatic accessories testing table for aircraft pneumatic valve.Measured piece is placed in protective cover, and the air intake pipe, gas exhaust duct, the medium admission line that are communicated with protective cover are set, and electric-controlled box is connected with protective cover; The air intake pipe, outlet pipe, the medium admission line that are communicated with measured piece are set; Wherein, air intake pipe is connected with the import of measured piece, and at air intake pipe series connection air-flow measurement system, pressure governor, housing Leakage Measurement System; Outlet pipe is connected with the outlet of measured piece, and the connection of oral area Leakage Measurement System is set on the branch road of outlet pipe.The parameters that the utility model can require handbook is tested, and comprising: open pressure test, downstream pressure adjusting test, the vacuum test of aircraft under high dummy status etc.This testing table is precisely stable on adjusting air pressure, flow, and the numerical value of measuring is accurate.
Description
Technical field
The utility model belongs to airplane parts technical field of measurement and test, particularly a kind of large flow pneumatic accessories testing table for aircraft pneumatic valve.
Background technology
For guaranteeing the flight safety of aircraft, need regularly the various parts on aircraft to be overhauled.The pneumatic valve that has a large amount of different models on aircraft, need to test respectively the technical parameter of these pneumatic valves according to the requirement of technical manual.In existing technology, conventionally adopt manual operation, by dismounting and the replacement of some scattered equipment, the parameters of operated pneumatic valve is measured, waste time and energy, measurement parameter is difficult for adjusting, and measuring result error is larger.
Summary of the invention
The utility model provides a kind of large flow pneumatic accessories testing table for aircraft pneumatic valve, adjusting air pressure and flow that can be precise and stable, and obtain measurement result accurately.
The technical solution adopted in the utility model is:
Measured piece is placed in protective cover, and the air intake pipe, gas exhaust duct, the medium admission line that are communicated with protective cover are set, wherein, and on medium admission line, connect successively pressure governor and tensimeter; Electric-controlled box is connected with protective cover;
The air intake pipe, outlet pipe, the medium admission line that are communicated with measured piece are set; Wherein, air intake pipe is connected with the import of measured piece, and at air intake pipe series connection air-flow measurement system, pressure governor, housing Leakage Measurement System; Outlet pipe is connected with the outlet of measured piece, and a branch road is set on outlet pipe, and this branch road is connected with oral area Leakage Measurement System; Medium admission line is connected with the by-pass port of measured piece, and the pressure governor of connecting on medium admission line.
A branch road is set respectively on the described air intake pipe being communicated with measured piece and medium admission line, on these two branch roads, connects respectively a tensimeter; A branch road is set, on this branch road, connect metering hole and a tensimeter on the described outlet pipe being communicated with measured piece.
An import and export two ends straight-through pipeline in parallel of described housing Leakage Measurement System.
On described protective cover, connect a tensimeter.
Between each by-pass port of described measured piece, differential pressure indicator is set.
On the described air intake pipe being communicated with protective cover, gas exhaust duct, medium admission line, and on the air intake pipe being communicated with measured piece, outlet pipe, medium admission line, and shut-off valve is set on the branch road of above-mentioned each pipeline respectively.
The beneficial effects of the utility model are:
The utility model can be used in the parameters of the pneumatic valve on survey aircraft, whole test platform structure is compact, succinct, multiple functional, the parameters that can require handbook is tested, and comprising: open pressure test, downstream pressure adjusting test and the vacuum test of aircraft under high dummy status etc.This testing table is more stable on adjusting air pressure, flow, and the numerical value of measuring is more accurate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Number in the figure:
1-measured piece; 2-protective cover; 3-housing Leakage Measurement System; 4-air-flow measurement system; 5-electric-controlled box; 6-oral area Leakage Measurement System; 7-metering hole; 8-pressure governor; 9-shut-off valve; 10-tensimeter; 11-differential pressure indicator.
Embodiment
The utility model provides a kind of large flow pneumatic accessories testing table, below in conjunction with the drawings and specific embodiments, the utility model is described further.
Structure of the present utility model as shown in Figure 1.Measured piece 1 is placed in protective cover 2, and the air intake pipe, gas exhaust duct, the medium admission line that are communicated with protective cover 2 are set, wherein, and on medium admission line, connect successively pressure governor and tensimeter; Electric-controlled box 5 is connected with protective cover 2; The air intake pipe, outlet pipe, the medium admission line that are communicated with measured piece 1 are set; Wherein, air intake pipe is connected with the import of measured piece 1, and at air intake pipe series connection air-flow measurement system 4, pressure governor 8, housing Leakage Measurement System 3, at the import and export two ends of a housing Leakage Measurement System 3 straight-through pipeline in parallel; Outlet pipe is connected with the outlet of measured piece 1, and a branch road is set on outlet pipe, and this branch road is connected with oral area Leakage Measurement System 6; Medium admission line is connected with the by-pass port of measured piece 1, and the pressure governor of connecting on medium admission line.Between each by-pass port of measured piece 1, differential pressure indicator 11 is set.
On the described air intake pipe being communicated with measured piece 1 and medium admission line, a branch road is set respectively, on these two branch roads, connects respectively a tensimeter 10; On the described outlet pipe being communicated with measured piece 1, a branch road is set, on this branch road, connect metering hole 7 and a tensimeter 10; On protective cover 2, connect a tensimeter 10.
On the described air intake pipe being communicated with protective cover 2, gas exhaust duct, medium admission line, and on the air intake pipe being communicated with measured piece 1, outlet pipe, medium admission line, and shut-off valve 9 is set on the branch road of above-mentioned each pipeline respectively.
The basic parameter of this testing table is: working pressure 0～1.6MPa, flow 0～7000m
3/ h, electric current input DC0～30V, vacuum pressure 0～-0.4MPa.
The principle of work of this testing table is: measured piece 1 is fixed in the protective cover 2 on testing table; connect required pipeline, circuit; the every test request required according to handbook; in each import of measured piece 1 and each import and the outlet of outlet and protective cover 2, apply corresponding air pressure, flow; regulate each element of measured piece 1; make its numerical value that meets handbook requirement, complete the maintenance of pneumatic valve.
Claims (6)
1. large flow pneumatic accessories testing table, measured piece (1) is placed in protective cover (2), it is characterized in that, the air intake pipe, gas exhaust duct, the medium admission line that are communicated with protective cover (2) are set, wherein, on medium admission line, connect successively pressure governor and tensimeter; Electric-controlled box (5) is connected with protective cover (2);
The air intake pipe, outlet pipe, the medium admission line that are communicated with measured piece (1) are set; Wherein, air intake pipe is connected with the import of measured piece (1), and at air intake pipe series connection air-flow measurement system (4), pressure governor (8), housing Leakage Measurement System (3); Outlet pipe is connected with the outlet of measured piece (1), and a branch road is set on outlet pipe, and this branch road is connected with oral area Leakage Measurement System (6); Medium admission line is connected with the by-pass port of measured piece (1), and the pressure governor of connecting on medium admission line.
2. large flow pneumatic accessories testing table according to claim 1, is characterized in that, on the described air intake pipe being communicated with measured piece (1) and medium admission line, a branch road is set respectively, on these two branch roads, connects respectively a tensimeter; On the described outlet pipe being communicated with measured piece (1), a branch road is set, on this branch road, connect metering hole (7) and a tensimeter.
3. large flow pneumatic accessories testing table according to claim 1, is characterized in that, an import and export two ends straight-through pipeline in parallel of described housing Leakage Measurement System (3).
4. large flow pneumatic accessories testing table according to claim 1, is characterized in that, a tensimeter of the upper connection of described protective cover (2).
5. large flow pneumatic accessories testing table according to claim 1, is characterized in that, differential pressure indicator (11) is set between each by-pass port of described measured piece (1).
6. according to the large flow pneumatic accessories testing table described in claim 1,2 or 3; it is characterized in that; on the described air intake pipe being communicated with protective cover (2), gas exhaust duct, medium admission line; and on the air intake pipe being communicated with measured piece (1), outlet pipe, medium admission line, and shut-off valve is set on the branch road of above-mentioned each pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275867.3U CN203981382U (en) | 2014-05-27 | 2014-05-27 | Large flow pneumatic accessories testing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275867.3U CN203981382U (en) | 2014-05-27 | 2014-05-27 | Large flow pneumatic accessories testing table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203981382U true CN203981382U (en) | 2014-12-03 |
Family
ID=51978812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420275867.3U Expired - Fee Related CN203981382U (en) | 2014-05-27 | 2014-05-27 | Large flow pneumatic accessories testing table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203981382U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931244A (en) * | 2015-06-01 | 2015-09-23 | 北京丰荣航空科技股份有限公司 | High-temperature and large-flow combined test bench and method for aviation pneumatic valve |
| CN106441901A (en) * | 2016-09-12 | 2017-02-22 | 奇瑞汽车股份有限公司 | Air passage control system adapted to engine airway detection devices |
| CN106768941A (en) * | 2016-12-15 | 2017-05-31 | 南通华夏飞机工程技术股份有限公司 | Outflow safety valve device for testing functions |
| CN109099963A (en) * | 2018-07-04 | 2018-12-28 | 中国航天员科研训练中心 | A kind of multrirange multi output pneumatic control detection device |
-
2014
- 2014-05-27 CN CN201420275867.3U patent/CN203981382U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931244A (en) * | 2015-06-01 | 2015-09-23 | 北京丰荣航空科技股份有限公司 | High-temperature and large-flow combined test bench and method for aviation pneumatic valve |
| CN106441901A (en) * | 2016-09-12 | 2017-02-22 | 奇瑞汽车股份有限公司 | Air passage control system adapted to engine airway detection devices |
| CN106768941A (en) * | 2016-12-15 | 2017-05-31 | 南通华夏飞机工程技术股份有限公司 | Outflow safety valve device for testing functions |
| CN106768941B (en) * | 2016-12-15 | 2019-07-09 | 南通华夏飞机工程技术股份有限公司 | Outflow safety valve device for testing functions |
| CN109099963A (en) * | 2018-07-04 | 2018-12-28 | 中国航天员科研训练中心 | A kind of multrirange multi output pneumatic control detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |