CN202038460U - Hydraulic oil test truck for hydraulic system of airplanes - Google Patents
Hydraulic oil test truck for hydraulic system of airplanes Download PDFInfo
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- CN202038460U CN202038460U CN2011201039388U CN201120103938U CN202038460U CN 202038460 U CN202038460 U CN 202038460U CN 2011201039388 U CN2011201039388 U CN 2011201039388U CN 201120103938 U CN201120103938 U CN 201120103938U CN 202038460 U CN202038460 U CN 202038460U
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Abstract
The utility model relates to a hydraulic oil test truck for a hydraulic system of airplanes, which comprises a hydraulic system. The hydraulic system comprises an oil tank, an oil pumping oil line and an oil return oil line. A two-position four-way valve and an oil pump of the oil pumping oil line are disposed between the oil pumping oil line and the oil tank. An inlet of the oil pump is communicated with a first working port of the two-position four-way valve, an outlet of the oil pump is connected to an oil supply connection device, and an oil supply pressure gage is also installed at the position of the outlet of the oil pump. The oil return oil line comprises an oil return connection device, an oil return pressure gage is installed at the position of an outlet of the oil return connection device, and the outlet of the oil return connection device is connected to a second working port of the two-position four-way valve. An oil supply oil line is provided with a pressure maintaining overflow valve, a self-circulation switch is arranged between an inlet and an outlet of the pressure maintaining overflow valve, an inlet of the self-circulation switch is communicated with the oil supply oil line, and an outlet of the self-circulation switch is in communicated with the oil return oil line. An oil filter is disposed between the oil pump and the self-circulation switch and/ or between the self-circulation switch and the oil tank. The hydraulic oil test truck for the hydraulic system of airplanes resolves the problem that an existing test oil tank truck has a single function.
Description
Technical field
The utility model relates to the pilot hydraulic fluid device, especially a kind of pilot hydraulic fluid car that is used for plane hydraulic system.
Background technology
Plane hydraulic system is the important component part of aircraft, and hydraulic efficiency pressure system whether can normal operation directly has influence on the flight safety of aircraft, thus aircraft delivery or take off at every turn before must carry out strict detection and debugging to its hydraulic efficiency pressure system.In addition, present generation aircraft requires very high to the solid pollution degree, thereby aircraft perhaps must clean the hydraulic oil of its hydraulic efficiency pressure system after maintenance before dispatching from the factory or taking off.Debugging and cleaning to aircraft at present realizes by hydraulic pressure test car and hydraulic pressure cleaning Vehicle respectively, wherein said test car can only be used to detect plane hydraulic system, cleaning Vehicle can only be used for the hydraulic oil of plane hydraulic system is cleaned, each apparatus function is single, therefore, when plane hydraulic system is detected and cleans, must there be many table apparatus to show up simultaneously, also each device need be connected with plane hydraulic system successively during work, the occupied ground space has also reduced work efficiency on the other hand greatly so on the one hand.In addition, current experiments oil car and cleaning Vehicle all do not have the self-cleaning function and are the function of aircraft refuelling.
Summary of the invention
The purpose of this utility model is to provide a kind of mode of operation that can clean, detect plane hydraulic system and energy simulated aircraft hydraulic efficiency pressure system to plane hydraulic system to come the hydraulic pressure test oil car that is used for plane hydraulic system that plane hydraulic system is debugged.
In order to address the above problem, the pilot hydraulic fluid car that is used for plane hydraulic system of the present utility model is by the following technical solutions: the pilot hydraulic fluid oil car that is used for plane hydraulic system, comprise hydraulic efficiency pressure system, described hydraulic efficiency pressure system comprises fuel tank, pump oil oil circuit and oil return circuit, be provided with two position four-way valves between the import of described pump oil oil circuit and the fuel tank, described two position four-way valves have oil inlet, return opening, first actuator port and second actuator port, the import of pump oil oil circuit is connected with the described first actuator port conducting, the outlet of oil return circuit is connected with the described second actuator port conducting, when work in position, described two a position four-way valves left side, it is first years old, the second actuator port conducting, its oil inlet and first actuator port during work of the right position of two position four-way valves, the conducting respectively of the return opening and second actuator port; Pump oil oil circuit has the oil pump of scalable flow, the first actuator port conducting of the import of described oil pump and two position four-way valves, and outlet is connected with the import bonded assembly fuel feeding connecting device that is used for plane hydraulic system, and the exit of oil pump also is provided with the charge oil pressure table; Described oil return circuit comprises the outlet bonded assembly oil return connecting device that is used for plane hydraulic system, and the exit of oil return connecting device is provided with the spill pressure table and is connected with second actuator port of two position four-way valves; Described oil feeding line is provided with the pressurize by pass valve near an end and the oil return circuit of its fuel feeding connecting device near between the end of oil return connecting device, the import of described pressurize by pass valve is connected with the oil feeding line conducting, outlet is connected with the oil return circuit conducting, be provided with the self-loopa switch between the import of pressurize by pass valve and the outlet, the import of self-loopa switch is connected with the conducting of fuel feeding oil oil circuit, and its outlet is connected with the oil return circuit conducting; Be provided with the oil filter between described oil pump and the self-loopa switch and/or between described self-loopa switch and the described fuel tank.
Described oil pump comprises quantitative oil pump, the import of quantitative oil pump is connected with the first actuator port conducting of described two-position three-way valve, the outlet conducting of quantitative oil pump is connected with variable capacity oil pump, be provided with the filter of one-level fuel feeding oil between described quantitative oil pump and the described variable capacity oil pump, the import of described one-level fuel feeding oil filter is connected with the outlet conducting of quantitative oil pump, its outlet is connected with the import conducting of variable capacity oil pump, be provided with the filter of secondary fuel feeding oil between variable capacity oil pump and the described fuel feeding connecting device, the import of described secondary fuel feeding oil filter is connected with the outlet conducting of variable capacity oil pump, and its outlet is connected with the import conducting of fuel feeding connecting device; Be provided with the filter of oil return oil between described oil return connecting device and the described fuel tank, the import of described oil return oil filter is connected with the outlet conducting of oil return connecting device, and its outlet is connected with fuel tank.
The outlet joint detection oil circuit of described oil return connecting device, described detection oil circuit comprise online particle collector and are used for conducting and cut off the import of described online particle collector and the detection control cock of oil return circuit that the outlet that detects oil circuit is connected with fuel tank.
Be provided with at least one pump oil safety valve between described quantitative oil pump and the variable capacity oil pump, the import of described pump oil safety valve is connected with the outlet conducting of quantitative oil pump, and its outlet is connected with the outlet of described oil return connecting device.
Being provided with each pump oil safety valve of two the above pump oil safety between described quantitative oil pump and the variable capacity oil pump is arranged in parallel.
The described pilot hydraulic fluid car that is used for plane hydraulic system also comprises treater and the telltale that is electrically connected with described treater, be provided with the charge oil pressure sensor between the import of the outlet of described variable capacity oil pump and described fuel feeding connecting device, the exit of described oil return connecting device is provided with the spill pressure sensor, and described confession, spill pressure sensor all are electrically connected with described treater.
Be provided with the pressure relay of the stall that is used for the control variable oil pump between the import of the outlet of described variable capacity oil pump and described fuel feeding connecting device.
The exit of described oil return connecting device is provided with the oil return safety valve, and the import of described oil return safety valve is connected with the outlet conducting of oil return connecting device, and its outlet is connected with described fuel tank conducting.
The exit of described oil return connecting device also is provided with heat abstractor, the temperature sensor that described heat abstractor comprises air-cooled radiator and is used to gather oil temperature signal and divides the commentaries on classics of cold heat sink to stop by the control of described treater.
Be provided with leakage passage between the import of described quantitative oil pump and the import of described variable capacity oil pump, described leakage passage comprises the draining check valve, the import of described draining check valve is connected with the import conducting of variable capacity oil pump, and the outlet of draining check valve is connected with the import conducting of quantitative oil pump.
Because its pump oil oil circuit of pilot hydraulic fluid car that is used for plane hydraulic system of the present utility model is provided with adjustable oil pump of flow and charge oil pressure table, its oil return circuit is provided with the spill pressure table, therefore can be by described fuel feeding connecting device and oil return connecting device with after plane hydraulic system dock, the flow by observation charge oil pressure table adjusting oil pump comes testing airplane hydraulic efficiency pressure system various piece is debugged and determined according to the reading of spill pressure table whether plane hydraulic system is working properly; In addition, described oily filter can purify its hydraulic oil in the process to the aircraft test, guarantee the cleaning of the hydraulic oil of plane hydraulic system, the pilot hydraulic fluid car that is used for plane hydraulic system of the present utility model can not only detect plane hydraulic system, and the mode of operation of energy simulated aircraft hydraulic efficiency pressure system, for the debugging to plane hydraulic system provides foundation, and plane hydraulic system cleaned, realize the variation of function, solved the problem of existing experimental oil car function singleness.
Description of drawings
Fig. 1 is the structural representation of the embodiment 1 of the pilot hydraulic fluid car that is used for plane hydraulic system of the present utility model;
Fig. 2 is the block diagram of Fig. 1;
Fig. 3 is the hydraulic schematic diagram of the embodiment 1 of the pilot hydraulic fluid car that is used for plane hydraulic system of the present utility model.
The specific embodiment
The embodiment 1 that is used for the pilot hydraulic fluid car of plane hydraulic system of the present utility model as shown in Figure 1, has hull 1 and hydraulic efficiency pressure system; Be equipped with running gear 2 on the hull 1 and be used for and draw gear bonded assembly holder thick stick, in addition, also be provided on the side of hull 1 slottingly holding mouthfuls 3 for what the fork truck fork was held, described hydraulic efficiency pressure system has fuel tank 50, pump oil oil circuit and oil return circuit.Fuel tank 50 is provided with air filter 51, liquidometer 52 and oil drain cock 53; Pump oil oil circuit has quantitative oil pump 4, the import of quantitative oil pump 4 is connected with fuel tank 50 conductings, be connected with variable capacity oil pump 5 in the outlet of quantitative oil pump 4, variable capacity oil pump 5 adopts electric ratio fluid control Variable plunger pump, be provided with one-level fuel feeding oil filter 6 between quantitative oil pump 4 and the variable capacity oil pump 5, the import of one-level fuel feeding oil filter 6 is connected with the outlet conducting of quantitative oil pump 4, its outlet is connected with the 5 pump inlet conductings of variable oil, the flow of quantitative oil pump 4 is greater than variable capacity oil pump 5, because the loop of plane hydraulic system is longer, therefore the relatively large quantitative oil pump of flow 4 is set in the upstream of variable capacity oil pump 5 can prevents that the problem that causes variable capacity oil pump 5 dry runs owing to oil return is untimely from taking place; In addition, be provided with draining check valve 7 between the import of the import of quantitative oil pump 4 and variable capacity oil pump 5, the import of draining check valve 7 is connected with the import conducting of variable capacity oil pump 5, and its outlet is connected with the import conducting of quantitative oil pump 4; The outlet of variable capacity oil pump 5 is connected with the first non-return check valve, 8, the first non-return check valves 8 by the flexible pipe conducting and is used to protect variable capacity oil pump 5, avoids variable capacity oil pump 5 to impact impaired because of oil return; The import of the first non-return check valve 8 is connected with the outlet conducting of variable capacity oil pump 5; its outlet conducting is connected with secondary fuel feeding oil filter 9; charge oil pressure table 10; charge oil pressure sensor 11; pressure relay 12; flow counter 13 and fuel feeding connecting device; wherein the import of secondary fuel feeding oil filter 9 is connected with the outlet conducting of the first non-return check valve 8; its outlet is connected with the import conducting of flow counter 13; the outlet of flow counter 13 is connected with the import of fuel feeding connecting device; the fuel feeding connecting device has two fuel-intake connections that are arranged in parallel; be provided with the oil feed non-return valve 14 that is used to prevent the fluid backflow in two fuel-intake connections; two fuel-intake connections all adopt the aircraft special joint; be used for being connected with the inlet of plane hydraulic system or with oil return circuit; charge oil pressure table 10; charge oil pressure sensor 11 all is connected with the outlet conducting of secondary fuel feeding oil filter 9 with pressure relay 12; charge oil pressure sensor 11 is electrically connected with treater and telltale 15; described telltale 15 adopts touch-screen display; secondary fuel feeding oil filter 9 is used for further cleaning the hydraulic oil in plane hydraulic system or the fuel tank 50; charge oil pressure table 10 is used to monitor the charge oil pressure of described hydraulic efficiency pressure system; so that charge oil pressure is remained in the setting range; charge oil pressure sensor 11 is used for cooperating with charge oil pressure table 10 reads charge oil pressure more accurately; pressure relay 12 is used for control variable oil pump 5, and variable capacity oil pump 5 is in time shut down.Oil return circuit has two back leakage connections that are arranged in parallel, two back leakage connections adopt the aircraft special joint equally, be used for being connected with the outlet of plane hydraulic system or with fuel-intake connection, be provided with the return check valve 21 that is used to prevent the fluid backflow in the back leakage connection, the outlet conducting of oil return connecting device is connected with the second non-return check valve 22, the import of the second non-return check valve 22 is connected with the outlet conducting of oil return connecting device, and its outlet conducting is connected with oil return oil filter 23, spill pressure table 24, spill pressure sensor 25, detect oil circuit, heat abstractor 26, temperature sensor 27 and oil return safety valve 28; Spill pressure table 24 is used to read spill pressure, and whether normal to detect plane hydraulic system, spill pressure sensor 25 is connected with described treater and telltale 15, is used for combining with spill pressure table 24 reading spill pressure more accurately; Heat abstractor 26 adopts air-cooled radiators, and temperature sensor 27 is electrically connected with described treater and stops by the commentaries on classics that treater is controlled heat abstractor 26; The import of heat abstractor 26 is connected with the outlet of oil return oil filter 23, be provided with maintenance switch 29 between the two, maintenance switch 29 is used for cutting off oil circuit when needs maintenance temperature sensor 27 and heat abstractor 26, the import of oil return safety valve 28 is connected with the outlet conducting of oil return oil filter 23, and its outlet is connected with fuel tank 50 conductings; Detect the contamination level that oil circuit is used for sampling Detection oil circuit hydraulic oil, detect oil circuit by the detection control cock 30 and the online particle collector 31 of serial connection are formed successively, detect control cock 30 and adopt electromagnetic valve, the break-make that is used for the control detection oil circuit, at random the hydraulic oil in the hydraulic circuit is carried out sampling Detection, the outlet of online particle collector 31 is connected with the outlet conducting of oil return safety valve 28; The exit of one-level fuel feeding oil filter 6 is connected in parallel to two replenishing relief valves 32, the import of replenishing relief valve 32 is connected with the outlet of one-level fuel feeding oil filter 6 and the import conducting of variable capacity oil pump 5 respectively, its outlet is connected with the import conducting of oil return safety valve 28, two replenishing relief valves 32 are set protect oil circuit by another during a fault therein, avoid shutting down under the running condition trimming; Be provided with pressurize by pass valve and self-loopa switch 34 between the outlet of the import of flow counter 13 and oil return connecting device, the pressurize by pass valve adopts straight moving by pass valve 33, straight moving by pass valve 33 and self-loopa switch 34 are arranged in parallel, the import of promptly straight moving by pass valve 33 and self-loopa switch 34 all is connected with the import conducting of flow counter 13, and the outlet of the two all is connected with the outlet conducting of oil return connecting device; Be provided with two position four-way valves 35 between the import of quantitative oil pump 4 and the fuel tank 50, two position four-way valves 35 have oil inlet, return opening, first actuator port and second actuator port, the import of quantitative oil pump 4 is connected with the described first actuator port conducting, the outlet of oil return circuit is connected with the described second actuator port conducting, when work in position, described two position four-way valves, 35 left side, its first, second actuator port conducting, described oil inlet and the conducting respectively of first actuator port, return opening and second actuator port when work in two position four-way valves, 35 right positions; The pilot hydraulic fluid car that is used for plane hydraulic system of the present utility model has two kinds of mode of operations i.e. " ground mode " and " airplane-mode ", when wherein working with ground mode, two position four-way valves 35 are done the work of position, a left side, described self-loopa switch is made as conducting state, can realize " self-cleaning " that is used for the pilot hydraulic fluid car of plane hydraulic system of the present utility model on the one hand under this kind pattern, promptly the hydraulic oil in the described fuel tank is cleaned, so that be that plane hydraulic system refuels when needing; Can detect whether normal operation of oily car on the other hand.Under airplane-mode, the 35 right position work of two position four-way valves, described fuel feeding connecting device is connected with the import of plane hydraulic system, the oil return connecting device is connected with the outlet conducting of plane hydraulic system, the working condition that can come simulated aircraft its hydraulic efficiency pressure system each several part under various mode of operations by the flow (coming reading display) of regulating described controllable capacity pump under this kind pattern by charge oil pressure table and charge oil pressure sensor, whether observe each one of plane hydraulic system by spill pressure table and spill pressure sensor normal and then debug; In addition, hydraulic oil cleans by oil filters at different levels in the on-cycle process simultaneously.
In the foregoing description, can also omit described confession, spill pressure sensor and treater and telltale; Can also only a replenishing relief valve be set in the exit of described one-level fuel feeding oil filter.
Claims (10)
1. the pilot hydraulic fluid car that is used for plane hydraulic system, comprise hydraulic efficiency pressure system, it is characterized in that: described hydraulic efficiency pressure system comprises fuel tank, pump oil oil circuit and oil return circuit, be provided with two position four-way valves between the import of described pump oil oil circuit and the fuel tank, described two position four-way valves have oil inlet, return opening, first actuator port and second actuator port, the import of pump oil oil circuit is connected with the described first actuator port conducting, the outlet of oil return circuit is connected with the described second actuator port conducting, when work in position, described two a position four-way valves left side, it is first years old, the second actuator port conducting, its oil inlet and first actuator port during work of the right position of two position four-way valves, the conducting respectively of the return opening and second actuator port; Pump oil oil circuit has the oil pump of scalable flow, the first actuator port conducting of the import of described oil pump and two position four-way valves, and outlet is connected with the import bonded assembly fuel feeding connecting device that is used for plane hydraulic system, and the exit of oil pump also is provided with the charge oil pressure table; Described oil return circuit comprises the outlet bonded assembly oil return connecting device that is used for plane hydraulic system, and the exit of oil return connecting device is provided with the spill pressure table and is connected with second actuator port of two position four-way valves; Described oil feeding line is provided with the pressurize by pass valve near an end and the oil return circuit of its fuel feeding connecting device near between the end of oil return connecting device, the import of described pressurize by pass valve is connected with the oil feeding line conducting, outlet is connected with the oil return circuit conducting, be provided with the self-loopa switch between the import of pressurize by pass valve and the outlet, the import of self-loopa switch is connected with the conducting of fuel feeding oil oil circuit, and its outlet is connected with the oil return circuit conducting; Be provided with the oil filter between described oil pump and the self-loopa switch and/or between described self-loopa switch and the described fuel tank.
2. the pilot hydraulic fluid car that is used for plane hydraulic system according to claim 1, it is characterized in that: described oil pump comprises quantitative oil pump, the import of quantitative oil pump is connected with the first actuator port conducting of described two-position three-way valve, the outlet conducting of quantitative oil pump is connected with variable capacity oil pump, be provided with the filter of one-level fuel feeding oil between described quantitative oil pump and the described variable capacity oil pump, the import of described one-level fuel feeding oil filter is connected with the outlet conducting of quantitative oil pump, its outlet is connected with the import conducting of variable capacity oil pump, be provided with the filter of secondary fuel feeding oil between variable capacity oil pump and the described fuel feeding connecting device, the import of described secondary fuel feeding oil filter is connected with the outlet conducting of variable capacity oil pump, and its outlet is connected with the import conducting of fuel feeding connecting device; Be provided with the filter of oil return oil between described oil return connecting device and the described fuel tank, the import of described oil return oil filter is connected with the outlet conducting of oil return connecting device, and its outlet is connected with fuel tank.
3. the pilot hydraulic fluid car that is used for plane hydraulic system according to claim 1, it is characterized in that: the outlet joint detection oil circuit of described oil return connecting device, described detection oil circuit comprises online particle collector and is used for conducting and cuts off the import of described online particle collector and the detection control cock of oil return circuit that the outlet that detects oil circuit is connected with fuel tank.
4. the pilot hydraulic fluid car that is used for plane hydraulic system according to claim 1, it is characterized in that: be provided with at least one pump oil safety valve between described quantitative oil pump and the variable capacity oil pump, the import of described pump oil safety valve is connected with the outlet conducting of quantitative oil pump, and its outlet is connected with the outlet of described oil return connecting device.
5. the pilot hydraulic fluid car that is used for plane hydraulic system according to claim 5 is characterized in that: be provided with each pump oil safety valve of two the above pump oil safety between described quantitative oil pump and the variable capacity oil pump and be arranged in parallel.
6. the pilot hydraulic fluid car that is used for plane hydraulic system according to claim 1, it is characterized in that: also comprise treater and the telltale that is electrically connected with described treater, be provided with the charge oil pressure sensor between the import of the outlet of described variable capacity oil pump and described fuel feeding connecting device, the exit of described oil return connecting device is provided with the spill pressure sensor, and described confession, spill pressure sensor all are electrically connected with described treater.
7. the pilot hydraulic fluid car that is used for plane hydraulic system according to claim 1 is characterized in that: the pressure relay that is provided with the stall that is used for the control variable oil pump between the import of the outlet of described variable capacity oil pump and described fuel feeding connecting device.
8. the pilot hydraulic fluid car that is used for plane hydraulic system according to claim 1, it is characterized in that: the exit of described oil return connecting device is provided with the oil return safety valve, the import of described oil return safety valve is connected with the outlet conducting of oil return connecting device, and its outlet is connected with described fuel tank conducting.
9. the pilot hydraulic fluid car that is used for plane hydraulic system according to claim 1, it is characterized in that: the exit of described oil return connecting device also is provided with heat abstractor, the temperature sensor that described heat abstractor comprises air-cooled radiator and is used to gather oil temperature signal and divides the commentaries on classics of cold heat sink to stop by the control of described treater.
10. the pilot hydraulic fluid car that is used for plane hydraulic system according to claim 1, it is characterized in that: be provided with leakage passage between the import of described quantitative oil pump and the import of described variable capacity oil pump, described leakage passage comprises the draining check valve, the import of described draining check valve is connected with the import conducting of variable capacity oil pump, and the outlet of draining check valve is connected with the import conducting of quantitative oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201039388U CN202038460U (en) | 2011-04-11 | 2011-04-11 | Hydraulic oil test truck for hydraulic system of airplanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201039388U CN202038460U (en) | 2011-04-11 | 2011-04-11 | Hydraulic oil test truck for hydraulic system of airplanes |
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| Publication Number | Publication Date |
|---|---|
| CN202038460U true CN202038460U (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201039388U Expired - Fee Related CN202038460U (en) | 2011-04-11 | 2011-04-11 | Hydraulic oil test truck for hydraulic system of airplanes |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717896A (en) * | 2012-03-26 | 2012-10-10 | 中国商用飞机有限责任公司 | Deflating tester of brake system of airplane |
| CN105971979A (en) * | 2016-06-15 | 2016-09-28 | 沈阳飞机工业（集团）有限公司 | Hydraulic system blowing, cleaning and sealing multifunction all-in-one test bed |
| 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 |
| CN106762865A (en) * | 2017-02-20 | 2017-05-31 | 中国人民解放军海军航空工程学院青岛校区 | Extendible oil-receiving device testing stand |
| CN109159918A (en) * | 2018-08-23 | 2019-01-08 | 航成（天津）科技有限公司 | Aircraft nose landing gear turns to discharge valve torque test machine |
| CN109488647A (en) * | 2018-12-29 | 2019-03-19 | 南通华夏飞机工程技术股份有限公司 | It is a kind of that the hydraulic system vehicle of power source is provided |
| RU2727769C1 (en) * | 2019-11-13 | 2020-07-23 | Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) | Small-sized mobile testing station of hydraulic systems of aircrafts |
| US11078936B2 (en) * | 2019-06-04 | 2021-08-03 | The Boeing Company | Portable external oil cooler process for performing hydraulic system functional tests on unfueled airplanes |
| CN114087259A (en) * | 2021-11-10 | 2022-02-25 | 中国航发沈阳黎明航空发动机有限责任公司 | Hydraulic test device and test method for inspecting and adjusting jet pipe of aircraft engine |
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2011
- 2011-04-11 CN CN2011201039388U patent/CN202038460U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717896A (en) * | 2012-03-26 | 2012-10-10 | 中国商用飞机有限责任公司 | Deflating tester of brake system of airplane |
| CN102717896B (en) * | 2012-03-26 | 2015-05-13 | 中国商用飞机有限责任公司 | Deflating tester of brake system of airplane |
| 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 |
| CN105971979A (en) * | 2016-06-15 | 2016-09-28 | 沈阳飞机工业（集团）有限公司 | Hydraulic system blowing, cleaning and sealing multifunction all-in-one test bed |
| CN105971979B (en) * | 2016-06-15 | 2017-10-24 | 沈阳飞机工业（集团）有限公司 | Hydraulic system blowing cleaning sealing multifunctional integrated test stand |
| CN106762865A (en) * | 2017-02-20 | 2017-05-31 | 中国人民解放军海军航空工程学院青岛校区 | Extendible oil-receiving device testing stand |
| CN109159918A (en) * | 2018-08-23 | 2019-01-08 | 航成（天津）科技有限公司 | Aircraft nose landing gear turns to discharge valve torque test machine |
| CN109159918B (en) * | 2018-08-23 | 2021-09-21 | 航成（天津）科技有限公司 | Moment tester for steering pressure-releasing valve of nose landing gear of airplane |
| CN109488647A (en) * | 2018-12-29 | 2019-03-19 | 南通华夏飞机工程技术股份有限公司 | It is a kind of that the hydraulic system vehicle of power source is provided |
| US11078936B2 (en) * | 2019-06-04 | 2021-08-03 | The Boeing Company | Portable external oil cooler process for performing hydraulic system functional tests on unfueled airplanes |
| RU2727769C1 (en) * | 2019-11-13 | 2020-07-23 | Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) | Small-sized mobile testing station of hydraulic systems of aircrafts |
| CN114087259A (en) * | 2021-11-10 | 2022-02-25 | 中国航发沈阳黎明航空发动机有限责任公司 | Hydraulic test device and test method for inspecting and adjusting jet pipe of aircraft engine |
| CN114087259B (en) * | 2021-11-10 | 2024-04-12 | 中国航发沈阳黎明航空发动机有限责任公司 | Hydraulic test device and test method for checking and adjusting jet pipe of aero-engine |
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