CN205483563U - Single -point supports joint bearing performance test machine - Google Patents
Single -point supports joint bearing performance test machine Download PDFInfo
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- CN205483563U CN205483563U CN201620042680.8U CN201620042680U CN205483563U CN 205483563 U CN205483563 U CN 205483563U CN 201620042680 U CN201620042680 U CN 201620042680U CN 205483563 U CN205483563 U CN 205483563U
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Abstract
The utility model relates to a single -point supports joint bearing performance test machine, it belongs to the aerospace field. The utility model discloses a motor, a speed reducer, the speed reduction distributor, test unit, the support unit, loading device, pressure sensor, the displacement measurement device, a workbench, install torque sensor and shaft coupling additional, the motor passes through the shaft coupling and links to each other with the reduction gear, this reduction gear passes through the shaft coupling and links to each other with the speed reduction distributor, speed reduction distributor and test unit are through installing torque sensor and coupling joint additional, test unit installs on the support unit, loading device matches through pressure sensor and test unit, the displacement measurement device is even in test unit one side, including a motor, an end cap, a controller, and a cover plate, a speed reducer, the speed reduction distributor, support unit and loading device all fix on the workstation. The utility model discloses reach relevant spare part operating condition to joint bearing and carry out analogue test, find out joint bearing and relevant spare part performance and the life -span factor of influencing, safe and reliable, interchangeability is strong.
Description
Technical field
This utility model relates to a kind of testing machine, especially relates to a kind of single-point support oscillating bearing performance aircraft, and this testing machine is mainly used in the simulation life test under single-point support operating mode of the aviation body oscillating bearing, and it belongs to field of aerospace technology.
Background technology
General axis is promised by type selecting with bearing limit speed, basic dynamic load rating or basic rated static load are for according to carrying out type selecting, but for the single-point support oscillating bearing of application on aviation body, such as flight control system, slat, the oscillating bearing at the positions such as empennage, particularity due to aeroplane structure design, not only the supporting way of bearing is single-point support, and the design that the matching design of bearing and mounting means design coordinate also different from regular machinery equipment bearing and install, the asymmetry of its stress, will result in the unconventional property of bearing wear, thus bring the unworthiness of bearing fatigue life theory, therefore typically bearing selection ground is not suitable for the type selecting of single-point support bearing.
The performance test apparatus of rolling bearing is can not be for evaluating the performance of oscillating bearing, therefore selection ground can not be used as, and the performance test apparatus of oscillating bearing is typically all employing two point support or multi-point support at present, this operating mode hypozygal bearing can bear bigger load, and uniform force, this working condition tests and the single-point support oscillating bearing of application on aviation body, actual application is entirely different, the parameter of its simulation differs the biggest with force way, therefore double fulcrum support operating mode hypozygal bearing performance test result can not the actually used performance of actual response single-point support operating mode hypozygal bearing, therefore the strongest technical support can not be provided for its type selecting.
Publication date is on November 18th, 2015, in the Chinese patent of Publication No. 105067263A, discloses the patent of invention of a kind of entitled " tail-rotor formula helicopter tail rotor form a complete set of joint bearing life testing machine ".This patent servo-drive oil cylinder drives the upper end of pitch-change-link to pump by displacement crotch, and the lower end of pitch-change-link drives blade upset, and the two ends up and down of pitch-change-link are provided with experiment oscillating bearing.Although this utility model disclosure satisfy that the tail rotor of four support arms form a complete set of oscillating bearing comprehensive service life test, the real load and real motion born in the work of each oscillating bearing can be simulated, but for the single-point support oscillating bearing of application on aviation body, not only the supporting way of bearing is single-point support, and the design that the matching design of bearing and mounting means design coordinate also different from regular machinery equipment bearing and install, the asymmetry of its stress, will result in the unconventional property of bearing wear, thus bring the unworthiness of bearing fatigue life theory, therefore still there is drawbacks described above in it.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and a kind of reasonable in design is provided, oscillating bearing and related components actual condition are simulated test, thus search out and affect oscillating bearing and related components serviceability and the key factor in life-span, safe and reliable, that interchangeability is strong single-point support oscillating bearing performance aircraft.
nullThe technical scheme in the invention for solving the above technical problem is: this single-point support oscillating bearing performance aircraft，Including motor、Controller、Converter、Decelerator、Deceleration allotter and multiple shaft coupling，Described motor is connected with decelerator by shaft coupling，This decelerator is connected with the power shaft of deceleration allotter by shaft coupling，The control line of controller is connected with converter，Converter is connected on motor，It is characterized in that: also include test unit、Bearing element、Charger、Pressure transducer、Displacement measuring device、Workbench and multiple install torque sensor additional，Deceleration allotter is connected by installing torque sensor and shaft coupling additional with test unit，Test unit is arranged on bearing element，Load is applied on test unit by charger by pressure transducer，Displacement measuring device is connected to the side of test unit，Motor、Decelerator、Deceleration allotter、Bearing element and charger are each attached on workbench，Converter and controller are fixed on the side of workbench；Rational in infrastructure, test unit drives constructional device with the loading outer ring, a kind of outer ring of bearing element composition, safe and reliable.
As preferably, bearing element described in the utility model includes support, adjustment ring, axis pin base, bearing pin and locking clamp, axis pin base adds screw with support employing tight fit and is connected, bearing pin adds with axis pin base employing tight fit threadeds, one end of locking clamp is connected with bearing pin, the other end of this locking clamp is connected with support, and adjustment ring is sleeved on bearing pin.
As preferably, test unit described in the utility model includes carrier compound, spring bearing, bearing block, test bearing and transmission square shaft, test bearing outer ring is arranged in bearing block, bearing block is arranged on spring bearing inner ring, greasing hole is had on bearing block, spring bearing outer ring is contained in carrier compound, and transmission square shaft is connected with bearing block, and test bearing inner ring is arranged on the bearing pin of bearing element；Test unit can be suitable for various sizes of test bearing and spring bearing by carrier compound and bush structure, and interchangeability is strong.
As preferably, bearing element described in the utility model is a precipice beam length adjustable single-point support mechanism；It is easy to be also beneficial to truly simulate while test unit is installed the actual condition of bearing.
As preferably, deceleration allotter described in the utility model uses input three output end structures；Make joint efficiency each other more stable.
As preferably, described in the utility model install torque sensor additional, test unit, bearing element, charger are three, three output shafts of deceleration allotter are connected with shaft coupling and three test units by installing torque sensor additional respectively, and three test units are separately mounted on three bearing elements.
As preferably, shaft coupling described in the utility model includes the first shaft coupling, the second shaft coupling and the 3rd shaft coupling, motor is connected with decelerator by the first shaft coupling, decelerator is connected with deceleration allotter by the second shaft coupling, and the 3rd shaft coupling is arranged on and installs additional between torque sensor and test unit.
As preferably, test bearing described in the utility model includes grease lubrication and self-lubricating；Make working effect more preferably.
This utility model compared with prior art, has the following advantages and effect: 1, reasonable in design, and bearing element is designed to single-point support structure, it is simple to test unit is also beneficial to truly simulate the actual condition of bearing while installing；2, test unit can be suitable for various sizes of test bearing and spring bearing by carrier compound and bush structure, and interchangeability is strong；3, manually or automatically timing can conveniently be realized to oscillating bearing greasing by test bush inside grease pipeline；4, three stations all have independent loads device and displacement measuring device, both can also can run by multistation by independent trials simultaneously；5, monitoring test unit change in torque and variations in temperature, it is achieved test bearing wear-out failure diagnoses, and test bearing realizes loading spectrum control.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of this utility model embodiment.
Fig. 2 is test unit and the package assembly schematic diagram of bearing element in this utility model embodiment.
In figure: shaft coupling L, motor 1, the first shaft coupling 2, decelerator 3, the second shaft coupling 4, deceleration allotter 5, installs torque sensor 6, the 3rd shaft coupling 7, displacement measuring device 8 additional, test unit 9, bearing element 10, pressure transducer 11, charger 12, workbench 13, carrier compound 14, spring bearing 15, bearing block 16, test bearing 17, transmission square shaft 18, support 19, adjustment ring 20, axis pin base 21, bearing pin 22, locking clamp 23, greasing hole A.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are that this utility model is not limited to following example to explanation of the present utility model.
Embodiment.
Seeing Fig. 1 to Fig. 2, the present embodiment single-point support oscillating bearing performance aircraft mainly includes shaft coupling L, motor 1, decelerator 3, deceleration allotter 5, installs torque sensor 6, displacement measuring device 8, test unit 9, bearing element 10, pressure transducer 11, charger 12 and workbench 13 additional.
Motor 1 in the present embodiment is connected with decelerator 3 by shaft coupling L, this decelerator 3 is connected with the power shaft of deceleration allotter 5 by shaft coupling L, the control line of controller is connected with converter, converter is connected on motor 1, deceleration allotter 5 is connected by installing torque sensor 6 and shaft coupling L additional with test unit 9, test unit 9 is arranged on bearing element 10, load is applied on test unit 9 by charger 12 by pressure transducer 11, displacement measuring device 8 is connected to the side of test unit 9, motor 1, decelerator 3, deceleration allotter 5, bearing element 10 and charger 12 are each attached on workbench 13, converter and controller are fixed on the side of workbench 13.
The present embodiment installs torque sensor 6 additional, test unit 9, bearing element 10, charger 12 is three, deceleration allotter 5 has three output shafts, three output shafts are connected with shaft coupling L and three test units 9 by installing torque sensor 6 additional respectively, three test units 9 are separately mounted on three bearing elements 10, test load is all applied on tested bearing by test unit 9 external diameter in test unit 9 side by three chargers 12 by pressure transducer 11, at test unit 9 opposite side, displacement transducer is installed, it is mounted on temperature sensor in each test unit 9, install torque sensor 6 additional, pressure transducer 11, displacement transducer is connected with controller input with the outfan of temperature sensor, displacement transducer is fixed on workbench 13 by support 19.
Bearing element 10 in the present embodiment includes support 19, adjustment ring 20, axis pin base 21, bearing pin 22 and loosens clamp, axis pin base 21 uses tight fit to add screw with support 19 to be connected, bearing pin 22 uses tight fit to add with axis pin base 21 to threaded, one end of locking clamp 23 is connected with bearing pin 22, the other end of this locking clamp 23 is connected with support 19, adjustment ring 20 is sleeved on bearing pin 22, and bearing element 10 is a precipice beam length adjustable single-point support mechanism.
Test unit 9 in the present embodiment includes carrier compound 14, spring bearing 15, bearing block 16, test bearing 17 and transmission square shaft 18, test bearing 17 outer ring is arranged in bearing block 16, bearing block 16 is arranged on spring bearing 15 inner ring with certain magnitude of interference, greasing hole A is had on bearing block 16, spring bearing 15 outer ring interference fit is contained in carrier compound 14, transmission square shaft 18 is connected with bearing block 16, test bearing 17 inner ring is arranged on the bearing pin 22 of bearing element 10, and inner ring end face is positioned on the end face of adjustment ring 20 of bearing element 10.
Test unit 9 in the present embodiment is arranged on bearing pin 22 by the endoporus of test bearing 17, and test bearing 17 includes grease lubrication and self-lubricating.
Deceleration allotter 5 in the present embodiment uses input three output end structure, and three outfans of this deceleration allotter 5 install torque sensor 6 additional with three respectively and are connected.
Shaft coupling L in the present embodiment includes the first shaft coupling the 2, second shaft coupling 4 and the 3rd shaft coupling 7, motor 1 is connected with decelerator 3 by the first shaft coupling 2, decelerator 3 is connected with deceleration allotter 5 by the second shaft coupling 4, and the 3rd shaft coupling 7 is arranged on and installs additional between torque sensor 6 and test unit 9.
The working method of the present embodiment: motor 1 provides power, rotary motion or oscillating motion are delivered on test unit 9 by decelerator 3 and deceleration allotter 5, thus corresponding action made by motoring ring test bearing 17, between each parts, couple together transmission power by the first shaft coupling 2 and the second shaft coupling 4 and the 3rd shaft coupling 7；Bearing pin 22 belongs to a kind of cantilever beam structure, test bearing 17 is made to be in single-point support state, the power provided for test bearing 17 is monitored by installing torque sensor 6 additional, and charger 12 can be test bearing 17 imposed load, and magnitude of load can be measured by pressure transducer 11；When test bearing 17 belongs to oscillating motion, the abrasion situation of change of monitoring test bearing 17 and bearing pin 22 can be carried out by displacement measuring device 8；When test bearing 17 needs periodically to add oils and fats for grease lubricating bearing, can carry out adding grease lubrication by greasing hole A.
The data monitoring in process of the test and motor 1 action control in the present embodiment are completed by PLC, pendulum angle, hunting frequency and magnitude of load can be set according to test parameters during test, realize multistation by input three output of deceleration allotter 5 and run to improve test efficiency simultaneously.
The present embodiment is used for oscillating bearing and related components actual condition are simulated test, thus search out and affect oscillating bearing and related components serviceability and the key factor in life-span, the parts material selection, the structure design that for the type selecting of the oscillating bearing under such operating mode and coordinate with it provide technical support.
By above-mentioned elaboration, those skilled in the art can implement.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named title etc. can be different, and the above content described in this specification is only to this utility model structure example explanation.All equivalence changes done according to structure, feature and the principle described in this utility model inventional idea or simple change, be all included in the protection domain of this utility model patent.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field; without departing from structure of the present utility model or surmount scope defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (8)
- null1. a single-point support oscillating bearing performance aircraft，Including motor、Controller、Converter、Decelerator、Deceleration allotter and multiple shaft coupling，Described motor is connected with decelerator by shaft coupling，This decelerator is connected with the power shaft of deceleration allotter by shaft coupling，The control line of controller is connected with converter，Converter is connected on motor，It is characterized in that: also include test unit、Bearing element、Charger、Pressure transducer、Displacement measuring device、Workbench and multiple install torque sensor additional，Deceleration allotter is connected by installing torque sensor and shaft coupling additional with test unit，Test unit is arranged on bearing element，Load is applied on test unit by charger by pressure transducer，Displacement measuring device is connected to the side of test unit，Motor、Decelerator、Deceleration allotter、Bearing element and charger are each attached on workbench，Converter and controller are fixed on the side of workbench.
- Single-point support oscillating bearing performance aircraft the most according to claim 1, it is characterized in that: described bearing element includes support, adjustment ring, axis pin base, bearing pin and locking clamp, axis pin base adds screw with support employing tight fit and is connected, bearing pin adds with axis pin base employing tight fit threadeds, one end of locking clamp is connected with bearing pin, the other end of this locking clamp is connected with support, and adjustment ring is sleeved on bearing pin.
- Single-point support oscillating bearing performance aircraft the most according to claim 1, it is characterized in that: described test unit includes carrier compound, spring bearing, bearing block, test bearing and transmission square shaft, test bearing outer ring is arranged in bearing block, bearing block is arranged on spring bearing inner ring, greasing hole is had on bearing block, spring bearing outer ring is contained in carrier compound, and transmission square shaft is connected with bearing block, and test bearing inner ring is arranged on the bearing pin of bearing element.
- Single-point support oscillating bearing performance aircraft the most according to claim 1 and 2, it is characterised in that: described bearing element is a precipice beam length adjustable single-point support mechanism.
- Single-point support oscillating bearing performance aircraft the most according to claim 1, it is characterised in that: described deceleration allotter uses input three output end structures.
- Single-point support oscillating bearing performance aircraft the most according to claim 1, it is characterized in that: described in install torque sensor additional, test unit, bearing element, charger are three, three output shafts of deceleration allotter are connected with shaft coupling and three test units by installing torque sensor additional respectively, and three test units are separately mounted on three bearing elements.
- Single-point support oscillating bearing performance aircraft the most according to claim 1, it is characterized in that: described shaft coupling includes the first shaft coupling, the second shaft coupling and the 3rd shaft coupling, motor is connected with decelerator by the first shaft coupling, decelerator is connected with deceleration allotter by the second shaft coupling, and the 3rd shaft coupling is arranged on and installs additional between torque sensor and test unit.
- Single-point support oscillating bearing performance aircraft the most according to claim 3, it is characterised in that: described test bearing includes grease lubrication and self-lubricating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042680.8U CN205483563U (en) | 2016-01-18 | 2016-01-18 | Single -point supports joint bearing performance test machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042680.8U CN205483563U (en) | 2016-01-18 | 2016-01-18 | Single -point supports joint bearing performance test machine |
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| CN205483563U true CN205483563U (en) | 2016-08-17 |
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| CN201620042680.8U Active CN205483563U (en) | 2016-01-18 | 2016-01-18 | Single -point supports joint bearing performance test machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527103A (en) * | 2016-01-18 | 2016-04-27 | 浙江省机电设计研究院有限公司 | Single-point support knuckle bearing performance testing machine |
| CN114061983A (en) * | 2021-11-19 | 2022-02-18 | 山东蓬翔汽车有限公司 | Device for detecting axial force of hub and bearing displacement in real time by applying torque |
-
2016
- 2016-01-18 CN CN201620042680.8U patent/CN205483563U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527103A (en) * | 2016-01-18 | 2016-04-27 | 浙江省机电设计研究院有限公司 | Single-point support knuckle bearing performance testing machine |
| CN105527103B (en) * | 2016-01-18 | 2018-04-20 | 浙江省机电设计研究院有限公司 | A kind of single-point support oscillating bearing performance aircraft |
| CN114061983A (en) * | 2021-11-19 | 2022-02-18 | 山东蓬翔汽车有限公司 | Device for detecting axial force of hub and bearing displacement in real time by applying torque |
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