CN201575908U - Airplane slat sliding joint bearing analysis device - Google Patents
Airplane slat sliding joint bearing analysis device Download PDFInfo
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- CN201575908U CN201575908U CN2009202585387U CN200920258538U CN201575908U CN 201575908 U CN201575908 U CN 201575908U CN 2009202585387 U CN2009202585387 U CN 2009202585387U CN 200920258538 U CN200920258538 U CN 200920258538U CN 201575908 U CN201575908 U CN 201575908U
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Abstract
An airplane slat sliding joint bearing analysis device includes a main shaft system composed of a test main shaft (8), a support bearing (1), a support wheel (2) and a sealed test chamber (3); the test main shaft is in sliding fit with an external ring of the test bearing (4); a test platform (9) is formed on the bottom of the sealed test chamber; a hydraulic oil cylinder (10) is arranged on one side of a force sensor (7); the other side of the force sensor passes through the test platform and is connected with a bearing seat (5); the bearing seat and the test platform (9) are in sliding fit by means of a straight slide rail (6); the test main shaft is connected with a transmission system. The airplane slat sliding joint bearing analysis device combines the computer to simulate practical working conditions of load spectrum, rotating speed spectrum, angle spectrum and temperature spectrum of the rolling wheel bearing and the joint bearing for test and checks various properties of them; the main shaft speed adopts an AC frequency conversion stepless speed control; a controllable silicon adjusting technology is employed in the angle hydraulic swing adjustment and the heating temperature adjustment processes; the failure in test is automatically identified and simultaneously the device is shut down.
Description
[technical field]
The utility model relates to a kind of bearing analytical equipment, especially relates to a kind of aircraft slat arthrodia bearing analytical equipment.
[background technology]
Aircraft slat arthrodia bearing is used for modern passenger aircraft, and slat is mounted in a section or several sections long and narrow winglets of basic wing leading edge, mainly is to obtain a kind of high lift device that lift increases by increasing the aircraft critical angle of attack.Aircraft slat arthrodia bearing analytical equipment is used for: one, be the burbling that delays on the wing, improved the critical angle of attack of aircraft, make aircraft just stall can take place under the bigger angle of attack; Two, be to increase the lifting force of wings coefficient; The effect that wherein increases the critical angle of attack is main.This device under the big angle of attack, particularly near or just use when surpassing the critical angle of attack of basic wing because have only in this case, just can produce burbling on the wing.The leading edge slat of modern passenger aircraft does not have special operating control, general servo-actuated with the action of wing flap, and when aircraft was about to enter stall conditions, the automatic function of leading edge slat also can be according to the variation of the angle of attack and automatic switch.
When leading edge slat is closed (being equivalent to not install leading edge slat), along with the increase of the angle of attack, the Disengagement zone of upper surface of the airfoil is gradually to reach, and when the angle of attack increased to the critical angle of attack, the lifting force of wings coefficient sharply descended, wing stall.When the leading edge slat is opened, it forms the slit with the basic wing leading edge surface, the higher air communication of lower aerofoil pressure is crossed this slit, road and is obtained acceleration and flow to top airfoil, increased the speed of air-flow in the top airfoil boundary-layer, reduced pressure, eliminated the separation vortex here, thereby delayed burbling, avoid the stall under the big angle of attack, made lift coefficient improve.
[summary of the invention]
In order to realize goal of the invention described in the utility model, the utility model discloses a kind of aircraft slat arthrodia bearing analytical equipment, the utility model be in conjunction with computer simulation roller bearing and oscillating bearing real load spectrum, rotating speed spectrum, angular spectrum, the TEMPERATURE SPECTROSCOPY operating mode is tested and examine its various performances; Spindle speed is selected AC frequency conversion stepless speed regulation for use, and angle hydraulic pressure oscillation adjustment, heating-up temperature adopt the controllable silicon regulation technology, break down in test and can differentiate automatically and shut down.
In order to realize the foregoing invention purpose, the utility model by the following technical solutions:
A kind of aircraft slat arthrodia bearing analytical equipment constitutes axis system by test main shaft, spring bearing, support wheel and leakage test chamber, and test main shaft and test bearing outer ring are slidingly matched, and test platform is formed on bottom, described leakage test chamber; Side at force transducer is provided with hydraulic jack, and the opposite side of force transducer passes test platform and is connected with bearing seat; Be slidingly matched by line slide rail between described bearing seat and the test platform; Described test main shaft is connected with kinematic train.
Described aircraft slat arthrodia bearing analytical equipment, described kinematic train constitutes by being arranged on the speed reduction unit and the drive motor that drive on the platform, and described speed reduction unit is by shaft coupling UNICOM test main shaft.
After adopting technique scheme, the beneficial effect that the utlity model has is:
Aircraft slat arthrodia bearing analytical equipment described in the utility model, be in conjunction with computer simulation roller bearing and oscillating bearing real load spectrum, rotating speed spectrum, angular spectrum, the TEMPERATURE SPECTROSCOPY operating mode is tested and examine its various performances." bridge-type " and " throw and divide " two kinds of structures, test bearing outer ring rotation mode are adopted in Machine Design.The load application hydraulic proportional of load is regulated, and spindle speed is selected AC frequency conversion stepless speed regulation for use, and angle hydraulic pressure oscillation adjustment, heating-up temperature adopt the controllable silicon regulation technology, break down in test and can differentiate automatically and shut down.
[description of drawings]
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that diagrammatic sketch amplifies in the A portion of Fig. 1.
Among the figure: 1, spring bearing; 2, support wheel; 3, leakage test chamber; 4, test bearing; 5, bearing seat; 6, line slide rail; 7, force transducer; 8, test main shaft; 9, test platform; 10, hydraulic jack; 11, shaft coupling; 12, speed reduction unit; 13, drive motor; 14, drive platform.
[embodiment]
With reference to the following examples, can explain the utility model in more detail; But should be noted that the utility model is not limited to following embodiment.
Aircraft slat arthrodia bearing analytical equipment described in Fig. 1,2 comprises that trial body system and power transmission, loading, support drive partly constitute; Wherein said trial body system: axis system by be arranged on test main shaft 8, spring bearing 1, support wheel 2 and leakage test chamber 3 reach into, test main shaft 8 is slidingly matched with test bearing 4 outer rings, 3 bottoms, described leakage test chamber formation test platform 9; Side at force transducer 7 is provided with hydraulic jack 10, and the opposite side of force transducer 7 passes test platform 9 and is connected with bearing seat 5; Be slidingly matched by line slide rail 6 between described bearing seat 5 and the test platform 9.According to working speed to bearing, confirmed test main shaft 8 ranges of speeds 30～500r/min.Adopt spring bearing 1 to come the running of warranty test main shaft 8 systems steady, structurally carry out being connected of test main shaft 8 systems and kinematic train, the running of warranty test main shaft 8 systems steadily with test being connected of main shaft 8 and kinematic train.
Power drive system: power drive system is formed by being arranged on the speed reduction unit 12 and the drive motor 13 that drive on the platform 14, and described speed reduction unit 12 is by shaft coupling 11 UNICOMs test main shaft 8.Adopt " bridge-type " and " throw and divide " two kinds of versions during use, test bearing 4 outer ring rotation modes.This system is made of speed reduction unit 12 and drive motor 13 when test rolling test bearing 4, and speed reduction unit 12 adopts oil lubrication, the output speed 1～500rpm of speed reduction unit 12, and drive motor 13 adopts alternating-current variable frequency motor, adopts the frequency conversion stepless time adjustment;
When the test bearing 4 of test joint, change the drive system of speed reduction unit 12 and drive motor 13, drive test bearing 4 swings of test joint by oscillating oil cylinder output torque 1000NM.
Loading system: will test radial load by " sphere " load bar hydraulic jack 10 perpendicular to the radial loaded device of test bearing 4 axial lines and be applied on the test bearing 4.Test bearing 4 stressed layouts are similar to actual conditions.Radial loaded device modern design all has movable degree of freedom between web member, make bearing shaft afford other interference and be reduced to minimum degree.System load adopts computer controlled automatic, and software interface load reads signal from force transducer 7, and when the load of gathering overruns, testing machine can auto stop.Control can be provided with loading spectrum in the interface, and rotating speed shows various alarming values, parameters such as test total time.Loading system adopts the hydraulic proportional closed-loop fashion, and hydraulic loading system will be placed on the outside of trial body, promptly helps making the heat radiation that helps again easy to maintenance.Hydraulic energy system is the important component part of electric liquid closed loop proportional loading system.
Support drive system support agent structure selects for use " throw and divide " formula cast-iron body to be installed on the ground black iron, is guaranteed the concentricity precision of supportive body and test platform on the ground black iron by keyway." throwing and divide " the formula structure is for ease of mounting or dismounting spring bearing and supports main shaft, is for guaranteeing to require the right alignment tolerance in necessary warranty test axle two holes of trial body.When test bearing outer ring and supporting loading were taken turns long-term friction rolling test, the supporting loading wheel surface was wearing and tearing easily, so supporting loading wheel outer ring specially is pressed into holding turns, changed holding turns and can the warranty test bearing takes turns with supporting loading and normally contact.Noise that can the monitoring test bearing on supportive body can be measured the torque of supports main shaft.For warranty test provides heating, freezing, dust storm, salt mist environment, also can increase by an insulation can in the supportive body outside.
Claims (2)
1. aircraft slat arthrodia bearing analytical equipment, it is characterized in that: at test main shaft (8), spring bearing (1), support wheel (2) and leakage test chamber (3) formation axis system, test main shaft (8) is slidingly matched with test bearing (4) outer ring, and test platform (9) is formed on bottom, described leakage test chamber (3); Side at force transducer (7) is provided with hydraulic jack (10), and the opposite side of force transducer (7) passes test platform (9) and is connected with bearing seat (5); Be slidingly matched by line slide rail (6) between described bearing seat (5) and the test platform (9); Described test main shaft (8) is connected with kinematic train.
2. aircraft slat arthrodia bearing analytical equipment according to claim 1, it is characterized in that: described kinematic train constitutes by being arranged on the speed reduction unit (12) and the drive motor (13) that drive on the platform (14), and described speed reduction unit (12) is by shaft coupling (11) UNICOM test main shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202585387U CN201575908U (en) | 2009-11-27 | 2009-11-27 | Airplane slat sliding joint bearing analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202585387U CN201575908U (en) | 2009-11-27 | 2009-11-27 | Airplane slat sliding joint bearing analysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201575908U true CN201575908U (en) | 2010-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202585387U Expired - Fee Related CN201575908U (en) | 2009-11-27 | 2009-11-27 | Airplane slat sliding joint bearing analysis device |
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| CN (1) | CN201575908U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048136A (en) * | 2012-12-19 | 2013-04-17 | 燕山大学 | High and low temperature environment service life testing machine for joint bearing |
| CN103292999A (en) * | 2013-07-01 | 2013-09-11 | 燕山大学 | Offset double-oscillating-follower double-swash-plate-end-cam knuckle bearing high-speed testing machine |
| CN103389208A (en) * | 2013-07-22 | 2013-11-13 | 燕山大学 | High-speed testing machine of offset double-oscillating follower floating swash plate end cam oscillating bearing |
| CN104697793A (en) * | 2013-12-04 | 2015-06-10 | 中国直升机设计研究所 | Bearing product performance test device |
| CN110118655A (en) * | 2019-05-16 | 2019-08-13 | 洛阳铭昊测控科技有限公司 | A kind of bearing performance test machine |
| CN111999062A (en) * | 2020-09-24 | 2020-11-27 | 中国民用航空飞行学院 | Load spectrum loaded joint bearing damage assessment test device |
| CN113551909A (en) * | 2021-07-28 | 2021-10-26 | 浙江中达精密部件股份有限公司 | Radial spherical plain bearing test bed |
-
2009
- 2009-11-27 CN CN2009202585387U patent/CN201575908U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048136A (en) * | 2012-12-19 | 2013-04-17 | 燕山大学 | High and low temperature environment service life testing machine for joint bearing |
| CN103048136B (en) * | 2012-12-19 | 2015-06-10 | 燕山大学 | High and low temperature environment service life testing machine for joint bearing |
| CN103292999A (en) * | 2013-07-01 | 2013-09-11 | 燕山大学 | Offset double-oscillating-follower double-swash-plate-end-cam knuckle bearing high-speed testing machine |
| CN103292999B (en) * | 2013-07-01 | 2015-10-14 | 燕山大学 | Biased two oscillating follower two inclined plate edge cam oscillating bearing high-speed tester (HST) |
| CN103389208A (en) * | 2013-07-22 | 2013-11-13 | 燕山大学 | High-speed testing machine of offset double-oscillating follower floating swash plate end cam oscillating bearing |
| CN104697793A (en) * | 2013-12-04 | 2015-06-10 | 中国直升机设计研究所 | Bearing product performance test device |
| CN104697793B (en) * | 2013-12-04 | 2017-09-29 | 中国直升机设计研究所 | A kind of bearing product properties experimental rig |
| CN110118655A (en) * | 2019-05-16 | 2019-08-13 | 洛阳铭昊测控科技有限公司 | A kind of bearing performance test machine |
| CN111999062A (en) * | 2020-09-24 | 2020-11-27 | 中国民用航空飞行学院 | Load spectrum loaded joint bearing damage assessment test device |
| CN113551909A (en) * | 2021-07-28 | 2021-10-26 | 浙江中达精密部件股份有限公司 | Radial spherical plain bearing test bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20141127 |
|
| EXPY | Termination of patent right or utility model |