CN104048819A - Fatigue verification test system for ground spoiler of fixed-wing aircraft - Google Patents

Fatigue verification test system for ground spoiler of fixed-wing aircraft Download PDF

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Publication number
CN104048819A
CN104048819A CN201410213908.0A CN201410213908A CN104048819A CN 104048819 A CN104048819 A CN 104048819A CN 201410213908 A CN201410213908 A CN 201410213908A CN 104048819 A CN104048819 A CN 104048819A
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China
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fixed wing
wing machine
machine ground
ground spoiler
spoiler
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CN201410213908.0A
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Chinese (zh)
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CN104048819B (en
Inventor
熊峻江
陈勇
陈克姣
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Beijing tangrenxiang Technology Co.,Ltd.
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Beihang University
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Abstract

The invention provides a fatigue verification test system for a ground spoiler of a fixed-wing aircraft. The fatigue verification test system for the ground spoiler of the fixed-wing aircraft is composed of a rack, a force sensor, a hydraulic station, a rotating direct drive valve, an actuator testing device, a digital storage oscilloscope, an adapter, an upper clamp, a lower clamp and the ground spoiler of the fixed-wing aircraft. The force sensor and the lower clamp are installed at the upper end and the lower end of the rack respectively. The upper clamp is installed on the force sensor. The two ends of the ground spoiler of the fixed-wing aircraft are installed on the upper clamp and the lower clamp respectively. The hydraulic station is connected with the rotating direct drive valve. The rotating direct drive valve is connected with the ground spoiler of the fixed-wing aircraft. The actuator testing device is connected with the rotating direct drive valve, the ground spoiler of the fixed-wing aircraft and the force sensor. The digital storage oscilloscope is connected with the actuator testing device and displays relevant information of the ground spoiler of the fixed-wing aircraft and the rotating direct drive valve. The fatigue verification test system for the ground spoiler of the fixed-wing aircraft can simulate the external aerodynamic loading effect and the hydraulic pressure effect of an actuator, and test results have important engineering application value in determining the service life of the ground spoiler of the fixed-wing aircraft.

Description

The tired demonstration test system of a kind of fixed wing machine ground spoiler
Technical field
The invention provides the tired demonstration test system of a kind of fixed wing machine ground spoiler, belong to experimental test technical field.
Background technology
Fixed wing machine ground spoiler in the course of the work, constantly bears alternate load, when design and application, must examine its fatigue lifetime.Fixed wing machine ground spoiler is worked under hydraulic-driven usually used as a subsystem of fixed wing machine, not only bear the hydraulic pressure of self, but also bear aerodynamic loading effect, conventional fatigue tester only can be simulated external pneumatic load, and can not simulate the effect of actuator hydraulic pressure, at present, still lack effectively and the tired demonstration test system of practical fixed wing machine ground spoiler.For this reason, the present invention is integrated into the tired demonstration test system of fixed wing machine ground spoiler by stand, power sensor, Hydraulic Station, the direct driver's valve of rotation, actuator exerciser, digital storage oscilloscope, X-over, upper and lower fixture and fixed wing machine ground spoiler, can not only simulate external pneumatic load, can also simulate the effect of actuator hydraulic pressure, experimental test result is determined the longevity and is had important engineering using value for fixed wing machine ground spoiler is tired.
Summary of the invention
1, object: the object of the invention is to provide the tired demonstration test system of a kind of fixed wing machine ground spoiler, can Reality simulation duty load, has simple, practical, feature efficiently, and system operation cost is also lower.
2, technical scheme: the tired demonstration test system of a kind of fixed wing machine of the present invention ground spoiler, is comprised of stand, power sensor, Hydraulic Station, the direct driver's valve of rotation, actuator exerciser, digital storage oscilloscope, X-over, upper and lower fixture and fixed wing machine ground spoiler.Position annexation between them is as follows: power sensor and lower clamp are arranged on respectively stand top and bottom, upper fixture is arranged on power sensor, spoiler two ends, fixed wing machine ground are arranged on, on lower clamp, Hydraulic Station is connected with the direct driver's valve of rotation by oil pipe, rotating direct driver's valve is connected with fixed wing machine ground spoiler again, actuator exerciser by circuit respectively with rotation direct driver's valve, fixed wing machine ground spoiler and power sensor connect, digital storage oscilloscope is connected the relevant information that shows fixed wing machine ground spoiler and rotate direct driver's valve with actuator exerciser.
Wherein, the order of connection of stand, power sensor, upper and lower fixture and fixed wing machine ground spoiler is from top to bottom:
Stand → power sensor → upper fixture → fixed wing machine ground spoiler → lower clamp → stand
Described stand is metal framework structure, and bearing load scope need be greater than the test load of fixed wing machine ground spoiler.Stand consists of upper end, lower end and both sides pillar, and upper end is for installing force sensor, and lower end is used for installing lower clamp, and both sides pillar is used for connecting top and bottom, has rigidity and stability.
Described power sensor is conventional power sensor, acquisition test load signal, and test load value is fed back to actuator exerciser with electric signal, its load range need be greater than the test load of fixed wing machine ground spoiler.Power sensor one side is fixed on stand upper end, and its opposite side is used for installing fixture.
Described Hydraulic Station is conventional Hydraulic Station, need there be oil transportation mouth and oil return opening, oil transportation mouth is used for to the direct driver's valve conveying liquid force feed of rotation, and oil return opening is for hydraulic oil is passed back into Hydraulic Station, and the oil pressure that Hydraulic Station can provide need be greater than the test oil pressure of fixed wing machine ground spoiler and can keep stable.
Described X-over is many steps axial workpiece, for two hydraulic fluid ports of Hydraulic Station and the joint between oil pipe, in order to two hydraulic fluid ports of connected pipes and Hydraulic Station.
The direct driver's valve of described rotation is the accessory being connected with fixed wing machine ground spoiler, and its inside has the aperture of Electric Machine Control valve.Rotate direct driver's valve hydraulic oil is sent to fixed wing machine ground spoiler, driven plunger moves axially, the motor of its operation valve aperture is driven by actuator exerciser, to change piston and cylinder body direction of relative movement and speed, but because spoiler two ends, fixed wing machine ground are separately fixed on upper lower clamp, thereby piston and cylinder body deform, cause load applying on the piston and cylinder body of fixed wing machine ground spoiler, and be delivered to whole fixed wing machine ground spoiler by hydraulic oil.Load is also passed to respectively lower clamp and upper fixture by piston and cylinder body, then by lower clamp and upper fixture, passes to respectively stand and power sensor.
Described actuator exerciser is for driving the electronic installation of the direct driver's valve motor of rotation, motor output loads control signal to the direct driver's valve of rotation, and the load signal of reception sensor feedback, according to expectation load and the load control signal of measuring load difference correction output, thereby the load of fixed wing machine ground spoiler is formed to closed-loop control.Actuator exerciser also receives the piston position signal of fixed wing machine ground spoiler feedback.
Described digital storage oscilloscope is conventional oscillograph, in order to observe the feedback signal of fixed wing machine ground spoiler, and the feedback signal of rotating direct driver's valve.
Described fixed wing machine ground spoiler is a kind of single chamber single-piston rod Hydraulic servo drive train of mechanism, and it is comprised of cylinder assembly, piston, lining, earrings assembly and snap ring etc.Hydraulic system provides the servo-actuated equilibrant of fixed wing machine ground spoiler aerodynamic force, makes it under time dependent Aerodynamic force action, keep balance and steady state (SS), and its work actuator hydraulic pressure is 20.685MPa, and the maximum working load of piston is 85.565kN.
Described upper fixture is the conjunction of a hexahedron and two hangers, and double shackle end is connected with fixed wing machine ground spoiler cylinder assembly by bolt;
Described lower clamp is the conjunction of a hexahedron and two hangers, and double shackle end is connected with fixed wing machine ground spoiler earrings assembly by bolt.
3, advantage and effect: the invention has the beneficial effects as follows can be separately to the tired demonstration test of fixed wing machine ground spoiler, can be the spoiler design of fixed wing machine ground, exploitation and checking and provide effect technique support, in addition, the present invention has advantages of simply, practical, efficient, low cost, can effectively complete the tired demonstration test of fixed wing machine ground spoiler.
Accompanying drawing explanation
Fig. 1 is X-over schematic diagram.
Fig. 2 is upper fixture schematic diagram.
Fig. 3 is lower clamp schematic diagram.
Fig. 4 is the tired demonstration test systematic schematic diagram of fixed wing machine ground spoiler.
In Fig. 4: 1. stand, 2. go up fixture, 3. fixed wing machine ground spoiler, 4. rotation direct driver's valve, 5. Hydraulic Station, 6. X-over, 7. digital storage oscilloscope, 8. actuator exerciser, 9. lower clamp, 10. power sensor.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment one: the specific embodiment of the present invention is described in conjunction with Fig. 1 to Fig. 4.In Fig. 4, the tired demonstration test system of a kind of fixed wing machine of the present invention ground spoiler, by stand 1, power sensor 10, Hydraulic Station 5, rotate direct driver's valve 4, actuator exerciser 8, digital storage oscilloscope 7, X-over 6, upper and lower fixture 2,9 and fixed wing machine ground spoiler 3 and form.Position annexation between them is as follows: power sensor 10 and lower clamp 9 are arranged on respectively stand 1 top and bottom, upper fixture 2 is arranged on power sensor 10, spoiler 3 two ends, fixed wing machine ground are arranged on, lower clamp 2, on 9, Hydraulic Station 5 is connected with the direct driver's valve 4 of rotation by oil pipe, rotating direct driver's valve 4 is connected with fixed wing machine ground spoiler 3 again, actuator exerciser 8 by circuit respectively with rotation direct driver's valve 4, fixed wing machine ground spoiler 3 is connected with power sensor 10, digital storage oscilloscope 7 is connected the relevant information that shows fixed wing machine ground spoiler 3 and the direct driver's valve 4 of rotation with actuator exerciser 8.
Stand 1 in this embodiment is selected common metal framed structure, power sensor 10 is conventional power sensor, the load of monitoring fixed wing machine ground spoiler 3, Hydraulic Station 5 is sent to the hydraulic oil of set pressure the direct driver's valve 4 of rotation of fixed wing machine ground spoiler 3, rotate direct driver's valve 4 and hydraulic oil is sent in spoiler 3 cylindrical shells of fixed wing machine ground again, driven plunger moves axially; The piston position signal of fixed wing machine ground spoiler 3 feeds back to the actuator exerciser 8 being connected with digital storage oscilloscope 7, actuator exerciser 8 drives the motor of the direct driver's valve 4 of rotation, change the direction of hydraulic oil and the aperture of valve in valve, to change piston movement direction and speed, but power sensor 10 feedback load values are to actuator exerciser 8, thereby form the closed-loop control of load, above process can be observed by digital storage oscilloscope 7.The current signal of actuator exerciser 8 and valve break-make H passage provide 1 passage of signal to digital storage oscilloscope 7, to show aperture and the running of hydraulic power oil direction signal of the direct driver's valve 4 of rotation, the demodulation of actuator exerciser 8 and Open-closed-loop H passage provide 2 passages of signal to digital storage oscilloscope 7, to show the piston displacement of fixed wing machine ground spoiler 3, like this, by digital storage oscilloscope 7, can observe the aperture of the direct driver's valve 4 of rotation and the piston displacement of the hydraulic oil flow direction and fixed wing machine ground spoiler 3.Digital storage oscilloscope 7 can also calculate and show 1 passage peak-to-peak value and 2 passage peak-to-peak values, and the signal of yellow high frequency is 1 channel signal, and the signal of green low frequency is 2 channel signals, and 1 passage peak-to-peak value is shown in the digital storage oscilloscope 7 screen lower left corners.The combination of actuator exerciser 8 and digital storage oscilloscope 7, the motor of the direct driver's valve 4 of rotation is given in 8 load instructions of actuator exerciser, and gather load measurement value from power sensor 10, by calculating, the load instruction of direct driver's valve 4 motors of rotation is issued in correction, thereby realizes the closed-loop control of specifying load; On the other hand, actuator exerciser 8 also gathers piston displacement signal from fixed wing machine ground spoiler 3, and from rotating, direct driver's valve 4 gathers its aperture and hydraulic oil flows to signal, and digital storage oscilloscope 7 is responsible for display.
Fixed wing machine ground spoiler 3 respectively has an end ring up and down, respectively by a bolt and upper and lower fixture 2 and 9, connect as shown in Figures 2 and 3, upper and lower fixture 2 is connected with stand 1 with power sensor 10 respectively with 9 screw threads by M27 * 2, and power sensor 10 is directly contained in the upper end of stand 1.The female joint that the hydraulic pipeline joint of fixed wing machine ground spoiler 3 is M12 * 1, the threaded hole that Hydraulic Station 5 is M14 * 1.5 * 12, for this reason, designs and has processed for connecting the X-over 6 (as shown in Figure 1) of fluid pressure line and Hydraulic Station 5.
Like this, by this cover system designing, just can complete the spoiler torture test of fixed wing machine ground above tests.
Embodiment two: the difference of present embodiment and embodiment one is the selection of stand 1, can be the fatigue testers such as conventional MTS, INSTRON, Chinese Changchun thousand QBS of nation or self-control fatigue tester, but only use it to make stand, and without its imposed load, other design philosophy and connected mode of the tired demonstration test system of fixed wing machine ground spoiler is identical with embodiment one.While using fatigue tester to make stand, because fatigue tester carries power sensor 10, thereby torture test machine power sensor 10 signals can be led to actuator exerciser 8, so just need not on stand 1, be connected in series a power sensor 10 in addition.

Claims (1)

1. the tired demonstration test system of fixed wing machine ground spoiler, is characterized in that: it is comprised of stand, power sensor, Hydraulic Station, the direct driver's valve of rotation, actuator exerciser, digital storage oscilloscope, X-over, upper and lower fixture and fixed wing machine ground spoiler; Power sensor and lower clamp are arranged on respectively stand top and bottom, upper fixture is arranged on power sensor, spoiler two ends, fixed wing machine ground are arranged on upper and lower fixture, Hydraulic Station is connected with the direct driver's valve of rotation by oil pipe, rotating direct driver's valve is connected with fixed wing machine ground spoiler again, actuator exerciser is connected with the direct driver's valve of rotation, fixed wing machine ground spoiler and power sensor respectively by circuit, and digital storage oscilloscope is connected the relevant information that shows fixed wing machine ground spoiler and rotate direct driver's valve with actuator exerciser;
Wherein, the order of connection of stand, power sensor, upper and lower fixture and fixed wing machine ground spoiler is from top to bottom:
Stand → power sensor → upper fixture → fixed wing machine ground spoiler → lower clamp → stand
Described stand is metal framework structure, bearing load scope need be greater than the test load of fixed wing machine ground spoiler, stand consists of upper end, lower end and both sides pillar, upper end is for installing force sensor, lower end is used for installing lower clamp, both sides pillar is used for connecting top and bottom, has rigidity and stability;
Described power sensor is conventional power sensor, acquisition test load signal, and test load value is fed back to actuator exerciser with electric signal, its load range need be greater than the test load of fixed wing machine ground spoiler; Power sensor one side is fixed on stand upper end, and its opposite side is used for installing fixture;
Described Hydraulic Station is conventional Hydraulic Station, need there be oil transportation mouth and oil return opening, oil transportation mouth is used for to the direct driver's valve conveying liquid force feed of rotation, and oil return opening is for hydraulic oil is passed back into Hydraulic Station, and the oil pressure that Hydraulic Station can provide need be greater than the test oil pressure of fixed wing machine ground spoiler and can keep stable;
Described X-over is many steps axial workpiece, for two hydraulic fluid ports of Hydraulic Station and the joint between oil pipe, in order to two hydraulic fluid ports of connected pipes and Hydraulic Station;
The direct driver's valve of described rotation is the accessory being connected with fixed wing machine ground spoiler, and its inside has the aperture of Electric Machine Control valve; Rotate direct driver's valve hydraulic oil is sent to fixed wing machine ground spoiler, driven plunger moves axially, the motor of its operation valve aperture is driven by actuator exerciser, to change piston and cylinder body direction of relative movement and speed, but because spoiler two ends, fixed wing machine ground are separately fixed on upper lower clamp, thereby piston and cylinder body deform, cause load applying on the piston and cylinder body of fixed wing machine ground spoiler, and be delivered to whole fixed wing machine ground spoiler by hydraulic oil; Load is also passed to respectively lower clamp and upper fixture by piston and cylinder body, then by lower clamp and upper fixture, passes to respectively stand and power sensor;
Described actuator exerciser is for driving the electronic installation of the direct driver's valve motor of rotation, motor output loads control signal to the direct driver's valve of rotation, and the load signal of reception sensor feedback, according to expectation load and the load control signal of measuring load difference correction output, thereby the load of fixed wing machine ground spoiler is formed to closed-loop control, and actuator exerciser also receives the piston position signal of fixed wing machine ground spoiler feedback;
Described digital storage oscilloscope is conventional oscillograph, in order to observe the feedback signal of fixed wing machine ground spoiler, and the feedback signal of rotating direct driver's valve;
Described fixed wing machine ground spoiler is a kind of single chamber single-piston rod Hydraulic servo drive train of mechanism, and it is comprised of cylinder assembly, piston, lining, earrings assembly and snap ring; Hydraulic system provides the servo-actuated equilibrant of fixed wing machine ground spoiler aerodynamic force, makes it under time dependent Aerodynamic force action, keep balance and steady state (SS), and its work actuator hydraulic pressure is 20.685MPa, and the maximum working load of piston is 85.565kN;
Described upper fixture is the conjunction of a hexahedron and two hangers, and double shackle end is connected with fixed wing machine ground spoiler cylinder assembly by bolt;
Described lower clamp is the conjunction of a hexahedron and two hangers, and double shackle end is connected with fixed wing machine ground spoiler earrings assembly by bolt.
CN201410213908.0A 2014-05-20 2014-05-20 A kind of fixed wing machine ground spoiler fatigue checking pilot system Active CN104048819B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106066281A (en) * 2016-05-25 2016-11-02 中国建材检验认证集团(陕西)有限公司 A kind of hanging piece for stone combined earthquake-resistant rig for testing

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US20080011091A1 (en) * 2006-06-27 2008-01-17 Abnaki Systems, Inc. Method for measuring loading and temperature in structures and materials by measuring changes in natural frequencies
CN101387576A (en) * 2008-10-15 2009-03-18 安徽巨一自动化装备有限公司 Release bearing test desk for vehicle and test method
CN203241298U (en) * 2012-09-03 2013-10-16 同济汽车设计研究院有限公司 Strength detection platform for truck/trailer side protection device
CN103439096A (en) * 2013-08-19 2013-12-11 北京航空航天大学 Helicopter tail rotor booster fatigue test system
CN103454104A (en) * 2013-08-20 2013-12-18 北京航空航天大学 Large helicopter main blade steering machine fatigue test system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080011091A1 (en) * 2006-06-27 2008-01-17 Abnaki Systems, Inc. Method for measuring loading and temperature in structures and materials by measuring changes in natural frequencies
CN101387576A (en) * 2008-10-15 2009-03-18 安徽巨一自动化装备有限公司 Release bearing test desk for vehicle and test method
CN203241298U (en) * 2012-09-03 2013-10-16 同济汽车设计研究院有限公司 Strength detection platform for truck/trailer side protection device
CN103439096A (en) * 2013-08-19 2013-12-11 北京航空航天大学 Helicopter tail rotor booster fatigue test system
CN103454104A (en) * 2013-08-20 2013-12-18 北京航空航天大学 Large helicopter main blade steering machine fatigue test system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106066281A (en) * 2016-05-25 2016-11-02 中国建材检验认证集团(陕西)有限公司 A kind of hanging piece for stone combined earthquake-resistant rig for testing

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Effective date of registration: 20210331

Address after: 100191 No.888, 8th floor, building 66, No.14 Huayuan North Road, Haidian District, Beijing

Patentee after: Beijing tangrenxiang Technology Co.,Ltd.

Address before: 100191 No. 37, Haidian District, Beijing, Xueyuan Road

Patentee before: BEIHANG University