CN105332971A - Lubricating oil pressure oiling hydraulic test stand - Google Patents
Lubricating oil pressure oiling hydraulic test stand Download PDFInfo
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- CN105332971A CN105332971A CN201510847436.9A CN201510847436A CN105332971A CN 105332971 A CN105332971 A CN 105332971A CN 201510847436 A CN201510847436 A CN 201510847436A CN 105332971 A CN105332971 A CN 105332971A
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- lubricating oil
- oil pressure
- hydraulic test
- pipeline
- test bench
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Abstract
The invention discloses a lubricating oil pressure oiling hydraulic test stand and belongs to the technical field of structural design of airplane ground oiling equipment. The lubricating oil pressure oiling hydraulic test stand is used for performance testing of connectors of the airplane ground oiling equipment, lubricating oil in an oil tank is conveyed to a holding valve through one-way valves by a mechanical pump or a hand pump to control connection or disconnection, then the oil is communicated with an oil filter to achieve filtering of the lubricating oil and is divided into two oil paths at the position, one oil path forms an oil returning path through a holding valve, the other oil path is connected with a test connector through a pressure gage, and the leakage amount in the test is measured through a container. The lubricating oil pressure oiling hydraulic test stand is simple in structure, convenient to manufacture, high in stability, safe, reliable and capable of carrying out leakage test under the normal temperature, leakage test under the extreme environment condition, leakage test after loads are applied, intensity leakage test and circulating leakage test on the connectors of the airplane ground oiling equipment, thereby finishing comprehensive technical evaluation of a ground connection mouth and the connector on an airplane.
Description
Technical field
The present invention relates to the structure-design technique field of ground aircraft refueling facility, in particular to a kind of lubricating oil pressure oiling hydraulic test bench, for the testing property of the joint of ground aircraft refueling facility.
Background technique
The oiling mode of aircraft is divided into gravity oiling and pressure filling two kinds, and gravity oiling utilizes the self gravitation of oil to realize refueling, and filler cap is generally opened on fuselage, needs unlimited lid during oiling, and fuel-servicing equipment is simple, but has the following disadvantages:
(1) refueling time is long, and efficiency is low, and flight crew's labor intensity is large;
(2) lid opens portion aboard, needs ladder to climb up aircraft refuelling during oiling, and handling difference, easily causes the deficiencies such as unsafe factor, and reliability is low.
(3) open type, impurity and moisture are easy to the system of entering, and cause oil contamination, cause parts corrosion, clamping stagnation, cause system works to lose efficacy, threaten flight safety.
The also prematurity of present stage aircraft floor pressure filling equipment, just in the development stage, carrying out testing property to the ground aircraft refueling facility developed is being the prerequisite ensureing that aircraft floor pressure filling device security is stable.
The technical problem needing now solution badly is, how to design a kind of lubricating oil pressure oiling hydraulic test bench, for the testing property of the joint of ground aircraft refueling facility.
Summary of the invention
The object of the invention is to solve above-mentioned deficiency of the prior art, a kind of simple and reasonable lubricating oil pressure oiling hydraulic test bench is provided.
Object of the present invention is achieved through the following technical solutions: a kind of lubricating oil pressure oiling hydraulic test bench, for the testing property of the joint of ground aircraft refueling facility, comprising: fuel tank, for holding aircraft fuel oil; Mechanical pump, manual pump, be arranged in parallel and be communicated with fuel tank by connecting duct, and be respectively arranged with one-way valve with mechanical pump, manual pump with pipeline; First blocking-valve, is arranged at one end differing from fuel tank of mechanical pump, manual pump parallel pipeline; Filter, is connected with pipeline with the first blocking-valve, is arranged on the one end differing from mechanical pump, manual pump parallel pipeline; Pressure gauge is connected with pipeline with filter, is arranged on the one end differing from the first blocking-valve; Second blocking-valve, be connected on the pipeline between described filter and pressure gauge by connecting pipeline, tested joint is connected in series with pressure gauge, is arranged on one end pipeline differing from filter; Container, with volume scale.
In such scheme preferably, manometric grade of accuracy is at least 1.5.Ensure the precision of pressure gauge test, for test provides more excellent data.
In above-mentioned either a program preferably, lubricating oil pressure oiling hydraulic test bench is fixed on vibrating table and tests.The vibrations of simulating reality situation, make the joint of tested ground aircraft refueling facility test under simulating reality working environment, make its performance more adapt to actual environment.
In above-mentioned either a program preferably, the pressure that lubricating oil pressure refuels in hydraulic test bench pipeline is provided by mechanical pump and/or manual pump.
The beneficial effect of lubricating oil pressure oiling hydraulic test bench provided by the present invention is, structure is simple, easily manufactured, device stability is high, safe and reliable, the seal tightness test after the seal tightness test under normal temperature, the test of extreme environmental conditions seal performance, imposed load, strength seal test and circulation seal (life-span) test can be carried out the joint of ground aircraft refueling facility, thus complete complex art evaluation ground being connect to mouth and machine upper connection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment according to lubricating oil pressure oiling hydraulic test bench of the present invention;
Reference character:
1-fuel tank, 2-mechanical pump, 3-manual pump, 4-one-way valve, 5-1-first blocking-valve, 5-2-second blocking-valve, 6-filter, 7-pressure gauge, the tested joint of 8-, 9-container.
Embodiment
For making object of the invention process, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
As shown in Figure 1, lubricating oil pressure oiling hydraulic test bench provided by the invention is used for the testing property of the joint of ground aircraft refueling facility, comprising: fuel tank 1, for holding aircraft fuel oil; Mechanical pump 2, manual pump 3, be arranged in parallel and be communicated with fuel tank 1 by connecting duct, and be respectively arranged with one-way valve 4 with mechanical pump 2, manual pump 3 with pipeline; First blocking-valve 5-1, is arranged at one end differing from fuel tank 1 of mechanical pump 2, manual pump 3 parallel pipeline; Filter 6 is connected with pipeline with the first blocking-valve 5-1, is arranged on the one end differing from mechanical pump 2, manual pump 3 parallel pipeline; Pressure gauge 7 filter 6 connects with pipeline, is arranged on the one end differing from the first blocking-valve 5-1; Second blocking-valve 5-2, is connected on the pipeline between filter 6 and pressure gauge 7 by connecting pipeline; Tested joint 8, is connected in series with pressure gauge 7, is arranged on one end pipeline differing from filter 6; Container 9, with volume scale.The grade of accuracy of pressure gauge 7 is at least 1.5.Lubricating oil pressure oiling hydraulic test bench is fixed on vibrating table to be tested.The pressure that lubricating oil pressure refuels in hydraulic test bench pipeline is provided by mechanical pump 2 or manual pump 3, or is jointly provided by mechanical pump 2 and manual pump 3.
Set up by the development of lubricating oil pressure oiling hydraulic test bench provided by the invention, can meet and connect for ground every certification test needs that mouth and machine upper connection carry out, pressure (0.6MPa) and lubricating oil medium (4050 lubricant oil) are provided, and leakage rate (1-9 level) can be detected in real time.Lubricating oil pressure oiling hydraulic test bench provided by the invention is a set of multifunction hydraulic test stand being applicable to carrying out every certification test demand, both normal temperature seal tightness test and cycling life test can be completed separately, test(ing) medium and pressure source can be provided for other tests again, meet the needs of every certification test.Pressure filling is under certain working pressure, utilizes oil pump to be filled in fuel tank by working oil, realizes automatic oiling, and filler cap is located at convenient oiling position below fuselage.Its advantage can be summarized as: the working strength that can reduce flight crew, shortens the setup time again set out; Adopt special small-sized fuel-servicing equipment, simple and convenient, do not need refuelling truck, save equipment expense; Ensure that and add oil quality, wind, snow, rainy day unnecessary employing protective measures; Be conducive to ground maintenance safety, thus improve the mobility of aircraft, integrity, reliability and maintenance.
Test stand connects mouth and machine upper connection for ground to carry out the key technology and equipment that every certification test needs, and have and provide functions such as adding oil pressure, lubricating oil medium, impurity screening and detection leakage rate, claimed structure optimization, easy to operate, function is more complete.
In concrete using process, as shown in Figure 1, by mechanical pump 2 or manual pump 3, the lubricant oil in fuel tank 1 being transported to the first blocking-valve 5-1 by one-way valve 4 controls only logical, then filter 6 with oil to be communicated with, realize lubricating oil and filter, be divided into 2 oil circuits herein, one forms oil circuit by the second blocking-valve 5-2, another is connected with tested joint 8 by cut-in pressure table 7 again, and the leakage rate in test is measured by container 9, and reads the oil mass in container 9 by the scale on container 9.
More than be described in detail in conjunction with lubricating oil pressure oiling hydraulic test bench specific embodiment of the present invention, but be not limitation of the present invention, everyly according to technical spirit of the present invention, technical scope of the present invention is all belonged to any simple modification made for any of the above embodiments, also it should be noted that, comprise the combination in any between each part mentioned above according to the category of lubricating oil pressure oiling hydraulic test bench technological scheme of the present invention.
Claims (6)
1. a lubricating oil pressure oiling hydraulic test bench, for the testing property of the joint of ground aircraft refueling facility, is characterized in that, comprising:
Fuel tank (1), for holding aircraft fuel oil;
Mechanical pump (2), manual pump (3), be arranged in parallel and be communicated with described fuel tank (1) by connecting duct, and being respectively arranged with one-way valve (4) with mechanical pump (2), manual pump (3) with pipeline;
First blocking-valve (5-1), is arranged at one end differing from described fuel tank (1) of mechanical pump (2), manual pump (3) parallel pipeline;
Filter (6), is connected with pipeline with described first blocking-valve (5-1), is arranged on the one end differing from mechanical pump (2), manual pump (3) parallel pipeline;
Pressure gauge (7), is connected with pipeline with described filter (6), is arranged on the one end differing from described first blocking-valve (5-1);
Second blocking-valve (5-2), is connected on the pipeline between described filter (6) and described pressure gauge (7) by connecting pipeline;
Tested joint (8), is connected in series with described pressure gauge (7), is arranged on one end pipeline differing from described filter (6);
Container (9), with volume scale.
2. lubricating oil pressure oiling hydraulic test bench as claimed in claim 1, is characterized in that: the grade of accuracy of described pressure gauge (7) is at least 1.5.
3. lubricating oil pressure oiling hydraulic test bench as claimed in claim 1, is characterized in that: described lubricating oil pressure oiling hydraulic test bench is fixed on vibrating table to be tested.
4. lubricating oil pressure oiling hydraulic test bench as claimed in claim 1, is characterized in that: the pressure that described lubricating oil pressure refuels in hydraulic test bench pipeline is provided by described mechanical pump (2).
5. lubricating oil pressure oiling hydraulic test bench as claimed in claim 1, is characterized in that: the pressure that described lubricating oil pressure refuels in hydraulic test bench pipeline is provided by manual pump (3).
6. lubricating oil pressure oiling hydraulic test bench as claimed in claim 1, is characterized in that: the pressure that described lubricating oil pressure refuels in hydraulic test bench pipeline is provided jointly by described mechanical pump (2) and manual pump (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847436.9A CN105332971A (en) | 2015-11-26 | 2015-11-26 | Lubricating oil pressure oiling hydraulic test stand |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847436.9A CN105332971A (en) | 2015-11-26 | 2015-11-26 | Lubricating oil pressure oiling hydraulic test stand |
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| CN105332971A true CN105332971A (en) | 2016-02-17 |
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| CN201510847436.9A Pending CN105332971A (en) | 2015-11-26 | 2015-11-26 | Lubricating oil pressure oiling hydraulic test stand |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285115A (en) * | 2019-06-28 | 2019-09-27 | 江苏阆达机械有限公司 | Hydraulic test bench |
| CN111043105A (en) * | 2019-12-13 | 2020-04-21 | 成立航空技术有限公司 | High-power hydraulic comprehensive test bed and test method thereof |
| CN112807582A (en) * | 2021-02-20 | 2021-05-18 | 凌云(宜昌)航空装备工程有限公司 | Airplane fire extinguishing bottle comprehensive test and intelligent filling detection device and use method |
| CN113092002A (en) * | 2021-03-18 | 2021-07-09 | 中国人民解放军海军航空大学青岛校区 | Calibrating device for multiple oil pressure channels |
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| CN103645015A (en) * | 2013-11-25 | 2014-03-19 | 大连元利流体技术有限公司 | Kerosene sealing test system with gas-liquid boosting pump |
| CN204064579U (en) * | 2014-07-12 | 2014-12-31 | 盐城市锦东液压机械有限公司 | A kind of hydraulic quick coupling combined test stand |
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2015
- 2015-11-26 CN CN201510847436.9A patent/CN105332971A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004184272A (en) * | 2002-12-04 | 2004-07-02 | Bridgestone Flowtech Corp | Seal inspection method of pipe joint with valve mechanism |
| CN102011766A (en) * | 2010-11-15 | 2011-04-13 | 陕西飞机工业（集团）有限公司 | Pressure-resistance and adjustment test bed for aircraft hydraulic system |
| CN202441672U (en) * | 2012-02-20 | 2012-09-19 | 蚌埠液力机械有限公司 | Inner leakage detection tool for hydraulic oil cylinder |
| CN202789854U (en) * | 2012-09-11 | 2013-03-13 | 安徽合力股份有限公司 | Portable testing device for inner leakage detection of hydraulic oil cylinder |
| CN203321939U (en) * | 2013-05-27 | 2013-12-04 | 徐州力成液压设备有限公司 | Hydraulic cylinder internal leakage composite detection system |
| CN103645015A (en) * | 2013-11-25 | 2014-03-19 | 大连元利流体技术有限公司 | Kerosene sealing test system with gas-liquid boosting pump |
| CN103591085A (en) * | 2013-11-28 | 2014-02-19 | 徐州徐工液压件有限公司 | Full-hydrodynamic performance testing device for central swivel joint |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285115A (en) * | 2019-06-28 | 2019-09-27 | 江苏阆达机械有限公司 | Hydraulic test bench |
| CN110285115B (en) * | 2019-06-28 | 2024-05-28 | 江苏阆达机械有限公司 | Hydraulic test stand |
| CN111043105A (en) * | 2019-12-13 | 2020-04-21 | 成立航空技术有限公司 | High-power hydraulic comprehensive test bed and test method thereof |
| CN112807582A (en) * | 2021-02-20 | 2021-05-18 | 凌云(宜昌)航空装备工程有限公司 | Airplane fire extinguishing bottle comprehensive test and intelligent filling detection device and use method |
| CN113092002A (en) * | 2021-03-18 | 2021-07-09 | 中国人民解放军海军航空大学青岛校区 | Calibrating device for multiple oil pressure channels |
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Application publication date: 20160217 |
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