CN201923325U - Testing system for blue oil accessories - Google Patents
Testing system for blue oil accessories Download PDFInfo
- Publication number
- CN201923325U CN201923325U CN2010206109594U CN201020610959U CN201923325U CN 201923325 U CN201923325 U CN 201923325U CN 2010206109594 U CN2010206109594 U CN 2010206109594U CN 201020610959 U CN201020610959 U CN 201020610959U CN 201923325 U CN201923325 U CN 201923325U
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- pressure system
- oil
- measured piece
- fuel tank
- hydraulic pump
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Abstract
The utility model discloses a testing system for blue oil accessories, which belongs to testing technology of the blue oil accessories. The testing system for blue oil accessories comprises a high-pressure system, a medium-pressure system, a low-pressure system and a static-pressure system which are mutually connected in parallel and are connected onto an oil tank, and the high-pressure system, the medium-pressure system, the low-pressure system and the static-pressure system are independently connected with a tested part. The testing system for blue oil accessories can test various performances of accessories of hydraulic systems of aircrafts, is convenient and fast in overhauling and checking, convenient in operation and short in repair period, is safe and reliable, reduces overhauling and checking costs, and is favorable for normal operation of the aircrafts.
Description
Technical field
The utility model relates to a kind of test technology of blue oil annex, particularly a kind of test macro of blue oil annex.
Background technology
Along with the continuous development of China civil transport industry, the introduction quantity of various aircrafts such as Air Passenger, Boeing also with day according to increasing because plane hydraulic system is manipulation, the function unit of the core of civil aircraft, directly influence normally taking off, cruise and landing of aircraft.And that the hydraulic air annex uses is frequent, is in high pressure, the work down of big flow status for a long time, and along with the raising of the integrated degree of each aircraft accessory, introduces electrical control or feedback system, causes relative failure frequency higher.For micro-manipulation and complicated hydraulic services because its effect particular importance aboard, therefore in maintenance and checking procedure, need adopt blue oil to overhaul and verification with hydraulic services, existing to test macro that aircraft accessory adopted, be blue oil annex test macro, the various performances of blue oil annex need be positioned over respectively on the different testing tools and test separately, make the cost of repair height of blue oil annex, and the repair cycle is long, has a strong impact on the normal operation of aircraft.
The utility model content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, a kind of test macro of simple to operate, safe and reliable blue oil annex is provided, this system can test each performance of plane hydraulic system annex simultaneously, makes that maintenance and verification are convenient and swift.
The technical solution adopted in the utility model is as follows:
The test macro of blue oil annex of the present utility model comprises high-pressure system, medium voltage network, low-pressure system and static-pressure system, parallel with one another between described high-pressure system, medium voltage network, low-pressure system and the static-pressure system, and all be connected on the fuel tank, described high-pressure system, medium voltage network, low-pressure system and static-pressure system are connected with measured piece separately.
Owing to adopted said structure, adopt high-pressure system, medium voltage network, low-pressure system and static-pressure system that the various performances of measured piece are tested respectively, can test each performance of plane hydraulic system by a test macro, make that maintenance and verification are convenient and swift, easy to operate, safe and reliable, reduced cost.
The test macro of blue oil annex of the present utility model, described high-pressure system comprises oil feed line and oil return line, described oil feed line is connected with measured piece respectively with oil return line, wherein oil feed line is provided with Hydraulic Pump, the input end of described Hydraulic Pump is connected on the fuel tank, be serially connected with oil filter, check valve, accumulator, compression indicator, control cock and flow sensor on the mouth successively, described flow regulator is connected with change-over valve, measured piece simultaneously, described change-over valve is connected on the measured piece, and described control cock is connected on the fuel tank; Be serially connected with flow sensor, oil filter and radiator on the described oil return line successively, described flow sensor is connected with measured piece, change-over valve simultaneously, and described radiator is connected on the fuel tank.
Owing to adopt said structure, Hydraulic Pump is used for providing hydraulic pressure to measured piece, check valve is used to prevent that hydraulic oil from returning, accumulator is used for the hydraulic pressure that the storage liquid press pump provides, be convenient to the size of control presssure, described compression indicator is used to show the pressure on the pipeline, control cock is used for the pressure in the pilot piping, when pressure is excessive, bleed off hydraulic oil in the pipeline by control cock, reduce the pressure in the pipeline, the oil inlet of change-over valve is connected with radiator with check valve respectively, and oil outlet is connected with the pressurized strut of measured piece, by change-over valve the pressurized strut of measured piece is tested, radiator will cool off by the hydraulic oil of measured piece, turns back in the fuel tank again, and described flow sensor is used to test the flow in the pipeline.Owing to adopted high-pressure system, make this test macro to carry out Hi-pot test to measured piece, detect the performance of measured piece under high-pressure situations.Middle structure and Hi-pot test system similarity of pressing test macro tested the performance under the middle pressure situation of measured piece.
The test macro of blue oil annex of the present utility model, described low-pressure system comprises Hydraulic Pump, the input end of described Hydraulic Pump is connected with fuel tank, be serially connected with oil filter, check valve, accumulator, compression indicator, control cock and flow sensor on the mouth successively, described flow sensor is connected on the measured piece, described control cock is connected on the fuel tank, and described measured piece is connected on the fuel tank by radiator.
Owing to adopt said structure, described Hydraulic Pump provides hydraulic pressure to measured piece, prevent the hydraulic pressure adverse current by check valve, accumulator is used for the power that the storage liquid press pump provides, compression indicator is used to show the hydraulic coupling size in the pipeline, control cock is used to regulate the pressure in the pipeline, when pressure is excessive, hydraulic oil can be put in the fuel tank, described temperature sensor is used to measure the temperature in the pipeline, measured piece is connected on the fuel tank by radiator, and radiator will return in the fuel tank after will entering into the hydraulic oil cooling of measured piece.Low-pressure system can be tested the various performances of measured piece under the low pressure situation, makes that the maintenance and the verification of various hydraulic parts of aircraft is convenient and swift, easy to operate, safe and reliable, has reduced cost.
The test macro of blue oil annex of the present utility model, described static-pressure system comprises the air Hydraulic Pump, and the hydraulic pressure end of described air Hydraulic Pump is communicated with fuel tank and is connected with measured piece, and the pneumatics end of described air Hydraulic Pump is communicated with source of the gas and measured piece.
Owing to adopted said structure, can be by of test and the cold air test of air Hydraulic Pump to the hydraulic pressure static pressure of measured piece, to finish test, make that the maintenance and the verification of various hydraulic parts of aircraft is convenient and swift to the various performances of measured piece.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
1. the test macro of blue oil annex of the present utility model can be tested each performance of plane hydraulic system annex, makes that maintenance and verification are convenient and swift, easy to operate, safe and reliable;
2. the test macro of blue oil annex of the present utility model, the maintenance period is short, has reduced the cost of maintenance and verification, is beneficial to the normal operation of aircraft.
Description of drawings
Fig. 1 is the hydraulic schematic diagram of the test macro of blue oil annex of the present utility model.
Mark among the figure: 1-high-pressure system, 2-medium voltage network, 3-low-pressure system, 4-static-pressure system, M-Hydraulic Pump, M2-air Hydraulic Pump, S-source of the gas.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, the test macro of blue oil annex of the present utility model, comprise high-pressure system 1, medium voltage network 2, low-pressure system 3 and static-pressure system 4, parallel with one another between described high-pressure system 1, medium voltage network 2, low-pressure system 3 and the static-pressure system 4, and all be connected on the fuel tank, described high-pressure system 1, medium voltage network 2, low-pressure system 3 and static-pressure system 4 are connected with measured piece separately.Described high-pressure system 1 comprises oil feed line and oil return line, described oil feed line is connected with measured piece respectively with oil return line, wherein oil feed line is provided with Hydraulic Pump M, the input end of described Hydraulic Pump M is connected on the fuel tank, mouth is connected with check valve, check valve is connected with measured piece, is connected with accumulator, compression indicator, control cock and change-over valve on the described check valve, and described change-over valve is connected with measured piece; Described oil return line comprises radiator, and described measured piece is connected on the fuel tank by radiator, and described radiator is connected with change-over valve, is provided with flow sensor on described oil feed line and the oil return line.Described medium voltage network 2 is similar to high-pressure system 1, is used for the various performances under the pressure situation of testing airplane hydraulic services.Described low-pressure system 3 comprises Hydraulic Pump M, the input end of described Hydraulic Pump M is connected with fuel tank, mouth is connected with check valve, check valve is connected with measured piece, be connected with accumulator, compression indicator and control cock on the described check valve, be provided with temperature sensor between described check valve and the measured piece, described measured piece is connected on the fuel tank by radiator.Described static-pressure system 4 comprises air Hydraulic Pump M2, and the hydraulic pressure end of described air Hydraulic Pump M2 is communicated with fuel tank and is connected with measured piece, and the pneumatics end of described air Hydraulic Pump M2 is communicated with source of the gas S and measured piece.
The test macro of blue oil annex of the present utility model, its major technology index is as shown in the table:
The test macro of blue oil annex of the present utility model, the pressure of its Hi-pot test system are 5500psig, and flow is 30gpm; The pressure of middle pressure test macro is 3500psig, and flow is 30gpm; The pressure of low-pressure test system is 700psig, and flow is 21gpm; The pressure of static pressure test system is 9300psig, cold air pressure 100psig.
The test macro of blue oil annex of the present utility model, fuel tank adopt industrial stainless steel fuel tank, and volume guarantees that at 3～4 times of the pump total flow two pumps can use simultaneously, is separated into oil suction district and oil back region in case.At the fuel tank vent airfilter is installed, is selected for use to have the airfilter that absorbs the moisture content function, remove impurity and moisture content in the air that enters in the fuel tank, guarantee the cleanliness level of fluid.And pit alert system is installed in fuel tank, is highly reported to the police or cut off the oil pump power supply when liquid level is lower than pump inlet.The protection oil pump prevents idle running.Select the filter of 5 microns high precision high flow rate oil for use at the pumping station system pressure pipeline, the systemic circulation pipeline adopts the filter of 10 microns big flow oil, determine according to the back pressure situation whether needs are installed the oil filter, and the precision that guarantees system's fluid is in 7 grades of NAS1638 standard at oil return pipe.Auto alarm protection control: when oil liquid temperature≤30 ℃, cooling vessel quits work, and temperature booster work makes oily temperature remain on 30～43 ℃, and when oil temperature 〉=45 ℃, cooling vessel work guarantees that oil temperature is stabilized in below 45 ℃, and the time was at 2～3 hours.During in oil temperature≤30 ℃ or 〉=45 ℃ of warnings.In order to satisfy the requirement of using hydraulic pressure blue oil working medium; Fuel tank, pipeline, joints etc. adopt corrosion-resistant steel, and all sealing members adopt the EPT rubber packing of hydraulic pressure resistant blue oil.Joint connection employing end face of flange adds the seal ring form to carry out.Guarantee that good seal and demolition are convenient.Plug-in is adopted in being connected between valve and the valve as far as possible, and conserve space and pipeline are tightly beaten structure.Pipeline connects standardization, reduces bend pipe as far as possible.Make the direct oil sump tank of oil return as far as possible.Use pipe clamp on pipeline, fixedly pipeline reduces vibration.In order to reduce vibration and convenient the installation, all motors, pump, the oil filter, accumulator, control cock etc. are installed on the pedestal of channel-section steel welding.And in structure design, consider the convenience of maintenance from now on as much as possible.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. the test macro of a blue oil annex, it is characterized in that: it comprises high-pressure system (1), medium voltage network (2), low-pressure system (3) and static-pressure system (4), parallel with one another between described high-pressure system (1), medium voltage network (2), low-pressure system (3) and the static-pressure system (4), and all be connected on the fuel tank, described high-pressure system (1), medium voltage network (2), low-pressure system (3) and static-pressure system (4) are connected with measured piece separately.
2. the test macro of blue oil annex as claimed in claim 1, it is characterized in that: described high-pressure system (1) comprises oil feed line and oil return line, described oil feed line is connected with measured piece respectively with oil return line, wherein oil feed line is provided with Hydraulic Pump (M), the input end of described Hydraulic Pump (M) is connected on the fuel tank, be serially connected with oil filter on the mouth successively, check valve, accumulator, compression indicator, control cock and flow sensor, described flow regulator while and change-over valve, measured piece connects, described change-over valve is connected on the measured piece, and described control cock is connected on the fuel tank; Be serially connected with flow sensor, oil filter and radiator on the described oil return line successively, described flow sensor is connected with measured piece, change-over valve simultaneously, and described radiator is connected on the fuel tank.
3. the test macro of blue oil annex as claimed in claim 1, it is characterized in that: described low-pressure system (3) comprises Hydraulic Pump (M), the input end of described Hydraulic Pump (M) is connected with fuel tank, be serially connected with oil filter, check valve, accumulator, compression indicator, control cock and flow sensor on the mouth successively, described flow sensor is connected on the measured piece, described control cock is connected on the fuel tank, and described measured piece is connected on the fuel tank by radiator.
4. the test macro of blue oil annex as claimed in claim 1, it is characterized in that: described static-pressure system (4) comprises air Hydraulic Pump (M2), the hydraulic pressure end of described air Hydraulic Pump (M2) is communicated with fuel tank and is connected with measured piece, and the pneumatics end of described air Hydraulic Pump (M2) is communicated with source of the gas (S) and measured piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206109594U CN201923325U (en) | 2010-11-17 | 2010-11-17 | Testing system for blue oil accessories |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206109594U CN201923325U (en) | 2010-11-17 | 2010-11-17 | Testing system for blue oil accessories |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201923325U true CN201923325U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206109594U Expired - Lifetime CN201923325U (en) | 2010-11-17 | 2010-11-17 | Testing system for blue oil accessories |
Country Status (1)
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| CN (1) | CN201923325U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444643A (en) * | 2011-11-14 | 2012-05-09 | 上海神开石油化工装备股份有限公司 | Test stand for hydraulic element |
| CN104316309A (en) * | 2014-11-11 | 2015-01-28 | 四川亚美动力技术有限公司 | Fuel oil accessory integrated test stand and test method therefore |
| CN105620724A (en) * | 2015-02-28 | 2016-06-01 | 北京航空航天大学 | Airplane hydraulic layout system based on hydraulic energy storing devices |
| CN104712611B (en) * | 2013-12-12 | 2017-01-25 | 哈尔滨飞机工业集团有限责任公司 | Field calibration ground hydraulic tester |
-
2010
- 2010-11-17 CN CN2010206109594U patent/CN201923325U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444643A (en) * | 2011-11-14 | 2012-05-09 | 上海神开石油化工装备股份有限公司 | Test stand for hydraulic element |
| CN102444643B (en) * | 2011-11-14 | 2015-09-09 | 上海神开石油化工装备股份有限公司 | A kind of test stand for hydraulic element |
| CN104712611B (en) * | 2013-12-12 | 2017-01-25 | 哈尔滨飞机工业集团有限责任公司 | Field calibration ground hydraulic tester |
| CN104316309A (en) * | 2014-11-11 | 2015-01-28 | 四川亚美动力技术有限公司 | Fuel oil accessory integrated test stand and test method therefore |
| CN104316309B (en) * | 2014-11-11 | 2017-07-18 | 四川亚美动力技术有限公司 | A kind of lower-grade fuel integrated test facility |
| CN105620724A (en) * | 2015-02-28 | 2016-06-01 | 北京航空航天大学 | Airplane hydraulic layout system based on hydraulic energy storing devices |
| CN105620724B (en) * | 2015-02-28 | 2018-03-16 | 北京航空航天大学 | Airplane hydraulic pressure layout system based on hydraulic energy storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |
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| CX01 | Expiry of patent term |