CN106768920A - A kind of fatigue experimental device - Google Patents
A kind of fatigue experimental device Download PDFInfo
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- CN106768920A CN106768920A CN201611068467.5A CN201611068467A CN106768920A CN 106768920 A CN106768920 A CN 106768920A CN 201611068467 A CN201611068467 A CN 201611068467A CN 106768920 A CN106768920 A CN 106768920A
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- loading
- bogusware
- experiment
- shimmy
- support arm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of fatigue experimental device.The fatigue experimental device includes：Experiment bogusware, one end that support arm is waved in one end of the experiment bogusware with bearingless rotor Jiang Grains is connected；Centrifugal loading device, the centrifugal loading device is connected with the other end of the experiment bogusware；Loading device is waved, the loading device of waving is connected with the experiment bogusware；Shimmy loading device, the shimmy loading device is connected with the experiment bogusware；Pull bar load charger, the pull bar load charger is waved support arm and is connected with the bearingless rotor Jiang Grains.The fatigue experimental device energy accurate simulation bearingless rotor Jiang Grains of the application wave boundary condition of the support arm at the aspect such as installation and load, waving support arm to bearingless rotor Jiang Grains carries out fatigue test, and experiment proves that and test data analyzer, obtain good effect.
Description
Technical field
Support arm fatigue test technology field is waved the present invention relates to helicopter bearingless rotor propeller hub, it is more particularly to a kind of
Fatigue experimental device.
Background technology
It is important load and drive disk assembly in helicopter bearingless rotor system that bearingless rotor propeller hub waves support arm, it
3 functions of hinge of complicated tradition are replaced using the elastic deformation of composite flexible beam element, realize waving needed for blade,
Shimmy and twist motion, with simple structure, number of parts is few, lightweight, reliability is high the features such as, especially with excellent behaviour
Vertical effect and mobility.The object of invention belongs to forth generation rotor system dynamic components fatigue test technology field, is bearing-free
One of important core technology of rotor system dynamic components fatigue test.In order to determine that bearingless rotor propeller hub waves the fatigue of support arm
Performance carries out fatigue test, it is necessary to wave support arm in face of bearingless rotor propeller hub on ground, grasps its fatigue properties, and then evaluate
Bearingless rotor propeller hub waves the service life of support arm.
Prior art also waves support arm fatigue experimental device without corresponding bearingless rotor propeller hub, it is impossible to it is carried out tired
Labor is tested.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art at least one drawbacks described above.
The content of the invention
Overcome it is an object of the invention to provide a kind of fatigue experimental device or at least mitigate prior art in extremely
A few drawbacks described above.
To achieve the above object, the present invention provides fatigue experimental device, for being applied for bearingless rotor Jiang Grains wave support arm
Loading lotus, the fatigue experimental device includes：Experiment bogusware, one end and the bearingless rotor Jiang Grains of the experiment bogusware wave branch
One end connection of arm；Centrifugal loading device, the centrifugal loading device is connected with the other end of the experiment bogusware；Wave loading
Device, the loading device of waving is connected with the experiment bogusware；Shimmy loading device, the shimmy loading device and the examination
Test bogusware connection；Pull bar load charger, the pull bar load charger waves support arm with the bearingless rotor Jiang Grains
Connection；Wherein, the centrifugal loading device is used to be provided for the experiment bogusware pulling force of simulation centrifugal force, and false by testing
The pulling force is passed to the bearingless rotor Jiang Grains and waves support arm by part；The loading device of waving is for for the experiment bogusware
Load is waved in offer, and this is waved into load transmission by testing bogusware waves support arm to the bearingless rotor Jiang Grains；It is described
Shimmy loading device is used to provide shimmy load for the experiment bogusware, and by testing bogusware by the shimmy load transmission to institute
State bearingless rotor Jiang Grains and wave support arm；The pull bar load charger is used to wave support arm for the bearingless rotor Jiang Grains
Pull bar load is provided.
Preferably, the fatigue experimental device further include test base plate, the centrifugal loading device, wave loading dress
Put, shimmy loading device, pull bar load charger are arranged on the experiment base plate.
Preferably, the centrifugal loading device includes：Centrifugation loading support, the centrifugation loading support is arranged on the examination
Test on base plate；Centrifugation actuator, the cylinder of the centrifugation actuator is arranged on the centrifugation loading support；Steel wire rope switching group
Part, described steel wire rope adapter assembly one end is connected with the piston rod of the centrifugation actuator；Connection pulley, the connection pulley with
The other end connection of the steel wire rope adapter assembly, the connection pulley is connected with the experiment bogusware；Centrifugation bracket component, institute
Stating centrifugation bracket component (35) includes an articulated joint, and the connection pulley is arranged in the articulated joint.
Preferably, ears, the cylinder of the centrifugation actuator and the centrifugation loading branch are provided with centrifugation loading support
Frame is hinged by ears.
Preferably, the pull bar load charger includes：Jiang Grains fixed supports, the Jiang Grains fixed supports have one
Connection end；Jiang Grains test bogusware, and one end of the Jiang Grains experiments bogusware is connected with the connection end, the Jiang Grains experiments bogusware
The other end is waved support arm and is connected with the bearingless rotor Jiang Grains；Pull bar fixation kit, the pull bar fixation kit is arranged on institute
State on experiment base plate, the pull bar fixation kit has a drag link end, the drag link end is waved with the bearingless rotor Jiang Grains
Dance support arm connection.
Preferably, the pull bar fixation kit includes draw-bar seat and pull bar actuator, and the draw-bar seat is arranged on described
On experiment base plate, the cylinder of the pull bar actuator is connected with the draw-bar seat, and the piston end of the pull bar actuator is described
Drag link end.
Preferably, the loading device of waving includes：Actuator is waved, the cylinder for waving actuator is arranged on described
On experiment base plate；Wave loading chuck, it is described wave loading chuck be arranged on it is described wave on the piston rod of actuator and with institute
State bearingless rotor Jiang Grains and wave support arm connection；Loading baffle plate is waved, the loading baffle plate of waving waves loading chuck with described
Connection.
Preferably, the shimmy loading device includes：Shimmy loading support, the shimmy loading support is arranged on the examination
Test on base plate and set location is that bearingless rotor Jiang Grains wave the side of support arm；Shimmy pressurized strut, the shimmy pressurized strut
Cylinder is connected with the shimmy loading support, and the piston rod of the shimmy pressurized strut waves support arm with the bearingless rotor Jiang Grains
Connection.
Preferably, the cylinder of the shimmy pressurized strut is hinged with the shimmy loading support.
The fatigue experimental device energy accurate simulation bearingless rotor Jiang Grains of the application wave support arm in the side such as installation and load
The boundary condition in face, support arm is waved to bearingless rotor Jiang Grains carries out fatigue test, and experiment proves that and test data analyzer,
Obtain good effect.
Brief description of the drawings
Fig. 1 is the structural representation of fatigue experimental device according to a first embodiment of the present invention.
Fig. 2 is another structural representation of the fatigue experimental device shown in Fig. 1.
Reference：
| 1 | Experiment bogusware | 61 | Jiang Grains fixed supports |
| 2 | Bearingless rotor Jiang Grains wave support arm | 62 | Jiang Grains test bogusware |
| 3 | Centrifugal loading device | 63 | Pull bar fixation kit |
| 4 | Wave loading device | 631 | Draw-bar seat |
| 5 | Shimmy loading device | 632 | Pull bar actuator |
| 6 | Pull bar load charger | 41 | Wave actuator |
| 7 | Experiment base plate | 42 | Wave loading chuck |
| 31 | Centrifugation loading support | 43 | Wave loading baffle plate |
| 32 | Centrifugation actuator | 51 | Shimmy loading support |
| 33 | Steel wire rope adapter assembly | 52 | Shimmy pressurized strut |
| 34 | Connection pulley | ||
| 35 | Centrifugation bracket component |
Specific embodiment
To make the purpose, technical scheme and advantage of present invention implementation clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from start to finish or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.Embodiment below with reference to Description of Drawings is exemplary, it is intended to used
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Face is described in detail with reference to accompanying drawing to embodiments of the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on accompanying drawing institute
The orientation or position relationship for showing, are for only for ease of the description present invention and simplify description, rather than the dress for indicating or implying meaning
Put or element with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that must be protected to the present invention
The limitation of scope.
Fig. 1 is the structural representation of fatigue experimental device according to a first embodiment of the present invention.Fig. 2 is tired shown in Fig. 1
Another structural representation of labor experimental rig.
Fatigue experimental device as shown in Figure 1 is used to wave support arm imposed load for bearingless rotor Jiang Grains, fatigue examination
Experiment device includes experiment bogusware 1, centrifugal loading device 3, waves loading device 4, pull bar load charger 6 and shimmy loading
Device 5, one end that support arm 2 is waved in the one end for testing bogusware 1 with bearingless rotor Jiang Grains is connected；Centrifugal loading device 3 and experiment
The other end connection of bogusware 1；Loading device 4 is waved to be connected with experiment bogusware 1；Shimmy loading device 5 is connected with experiment bogusware 1；
Pull bar load charger 6 is waved support arm 2 and is connected with bearingless rotor Jiang Grains；Wherein, centrifugal loading device is used for as experiment is false
Part provides the pulling force of simulation centrifugal force, and the pulling force is passed into bearingless rotor Jiang Grains by testing bogusware waves support arm；Wave
Dance loading device is used to provide and wave load for experiment bogusware, and this is waved into load transmission by testing bogusware gives bearing-free rotation
Yi Jiang Grains wave support arm；Shimmy loading device is used to provide shimmy load for experiment bogusware, and by testing bogusware that this is shimmy
Load transmission waves support arm to bearingless rotor Jiang Grains；Pull bar load charger is used to wave support arm for bearingless rotor Jiang Grains
Pull bar load is provided.
The fatigue experimental device energy accurate simulation bearingless rotor Jiang Grains of the application wave support arm in the side such as installation and load
The boundary condition in face, support arm is waved to bearingless rotor Jiang Grains carries out fatigue test, and experiment proves that and test data analyzer,
Obtain good effect.
Referring to Fig. 1 and Fig. 2, in the present embodiment, fatigue experimental device further includes to test base plate 7, centrifugation loading dress
Put 3, wave loading device 4, shimmy loading device 5, pull bar load charger 6 and be arranged on experiment base plate 7.It is provided with examination
Testing base plate can integrate the fatigue experimental device of the application, so that convenient transport, and in imposed load, each is applied
The power that the device of loading lotus is applied forms an internal force for fatigue experimental device.
Referring to Fig. 1 and Fig. 2, in the present embodiment, centrifugal loading device 3 includes centrifugation loading support 31, centrifugation actuator
32nd, steel wire rope adapter assembly 33, connection pulley 34 and centrifugation bracket component 35, centrifugation loading support 31 are arranged on experiment base plate
On；The cylinder of actuator 32 is centrifuged to be arranged on centrifugation loading support；The one end of steel wire rope adapter assembly 33 and centrifugation actuator 32
Piston rod connection；Connection pulley 34 is connected with the other end of steel wire rope adapter assembly 33, and connection pulley is connected with experiment bogusware；
Centrifugation bracket component 35 includes an articulated joint, and connection pulley 34 is arranged in articulated joint.
Referring to Fig. 1, in the present embodiment, ears are provided with centrifugation loading support, be centrifuged the cylinder of actuator with it is described
Centrifugation loading support is hinged by ears.
Referring to Fig. 1, in the present embodiment, pull bar load charger 6 includes that the, Jiang Grains of Jiang Grains fixed supports 61 test bogusware
62 and the , Jiang Grains fixed supports 61 of pull bar fixation kit 63 there is a connection end；Jiang Grains test one end of bogusware 62 and are connected
The other end of end connection , Jiang Grains experiment boguswares is waved support arm and is connected with bearingless rotor Jiang Grains；Pull bar fixation kit 63 is arranged on
On experiment base plate, pull bar fixation kit has a drag link end, and drag link end is waved support arm and is connected with bearingless rotor Jiang Grains.
Referring to Fig. 1, in the present embodiment, pull bar fixation kit includes draw-bar seat 631 and pull bar actuator 632, pull bar
Seat 631 is arranged on experiment base plate 7, and the cylinder of pull bar actuator 632 is connected with draw-bar seat 631, the piston of pull bar actuator 632
It is drag link end to hold.
Referring to Fig. 1, in the present embodiment, the loading device of waving includes waving actuator 41, waves loading chuck 42
And loading baffle plate 43 is waved, the cylinder for waving actuator 41 is arranged on experiment base plate；Loading chuck 42 is waved to be arranged on and wave
Wave on the piston rod of actuator and wave support arm with bearingless rotor Jiang Grains and be connected；Wave loading baffle plate 43 and wave loading chuck
Connection.
Referring to Fig. 1, in the present embodiment, shimmy loading device includes shimmy loading support 51 and shimmy pressurized strut 52,
Shimmy loading support 51 is arranged on experiment base plate 7 and set location is the side that bearingless rotor Jiang Grains wave support arm 2；It is shimmy
The cylinder of pressurized strut 52 is connected with shimmy loading support 51, and piston rod and the bearingless rotor Jiang Grains of shimmy pressurized strut 52 wave branch
Arm 2 is connected.
Explanation of nouns：
Wave power load：The relative wind of lifting airscrew or so blade is asymmetric, causes blade in different circumferential positions
When the change of aerodynamic force generating period and the load that produces.
Shimmy power load：Lifting airscrew causes being produced by blade flapping for lagging motion before and after blade in Plane of rotation
Raw coriolis force load.
Pull bar power load (i.e. pitch-change-link load)：Passed over from auto-bank unit rotating ring, manipulate change blade and meet
Angle, realizes the load of blade displacement.
Referring to Fig. 1, in the present embodiment, the cylinder of shimmy pressurized strut 52 is hinged with shimmy loading support 51.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Pipe has been described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, do not make the essence of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution
God and scope.
Claims (9)
1. a kind of fatigue experimental device, for waving support arm imposed load for bearingless rotor Jiang Grains, it is characterised in that described tired
Labor experimental rig includes：
Experiment bogusware (1), one end that support arm (2) is waved in one end of experiment bogusware (1) with bearingless rotor Jiang Grains is connected；
Centrifugal loading device (3), the centrifugal loading device (3) is connected with the other end of experiment bogusware (1)；
Loading device (4) is waved, the loading device (4) of waving is connected with experiment bogusware (1)；
Shimmy loading device (5), the shimmy loading device (5) is connected with experiment bogusware (1)；
Pull bar load charger (6), the pull bar load charger (6) waves support arm with the bearingless rotor Jiang Grains
(2) connect；Wherein,
The centrifugal loading device is used to be provided for the experiment bogusware pulling force of simulation centrifugal force, and should by testing bogusware
Pulling force passes to the bearingless rotor Jiang Grains and waves support arm；The loading device of waving for the experiment bogusware is provided for waving
Dance load, and this is waved into load transmission by testing bogusware wave support arm to the bearingless rotor Jiang Grains；It is described it is shimmy plus
Carry and put for for the experiment bogusware provides shimmy load, and by testing bogusware by the shimmy load transmission to described shaftless
Hold Xuan Yi Jiang Grains and wave support arm；The pull bar load charger is used to provide drawing for the bearingless rotor Jiang Grains wave support arm
Bar load.
2. fatigue experimental device as claimed in claim 1, it is characterised in that the fatigue experimental device further includes experiment
Base plate (7), the centrifugal loading device (3), waves loading device (4), shimmy loading device (5), pull bar load charger
(6) it is arranged on experiment base plate (7).
3. fatigue experimental device as claimed in claim 2, it is characterised in that the centrifugal loading device (3) includes：
Centrifugation loading support (31), centrifugation loading support (31) is arranged on the experiment base plate；
Centrifugation actuator (32), the cylinder of centrifugation actuator (32) is arranged on the centrifugation loading support；
Steel wire rope adapter assembly (33), described steel wire rope adapter assembly (33) one end and the piston rod that actuator (32) is centrifuged
Connection；
Connection pulley (34), connection pulley (34) is connected with the other end of the steel wire rope adapter assembly (33), the company
Pulley is connect to be connected with the experiment bogusware；
Centrifugation bracket component (35), centrifugation bracket component (35) includes an articulated joint, and the connection pulley (34) sets
Put in the articulated joint.
4. fatigue experimental device as claimed in claim 3, it is characterised in that be provided with ears on centrifugation loading support, it is described
The cylinder and the centrifugation loading support that actuator is centrifuged are hinged by ears.
5. fatigue experimental device as claimed in claim 3, it is characterised in that the pull bar load charger (6) includes：
Jiang Grains fixed supports (61), the Jiang Grains fixed supports (61) are with a connection end；
Jiang Grains test bogusware (62), and one end of Jiang Grains experiments bogusware (62) is connected with the connection end, the Jiang Grains experiments
The other end of bogusware is waved support arm and is connected with the bearingless rotor Jiang Grains；
Pull bar fixation kit (63), the pull bar fixation kit (63) is arranged on the experiment base plate, the pull bar fixation group
Part has a drag link end, and the drag link end is waved support arm and is connected with the bearingless rotor Jiang Grains.
6. fatigue experimental device as claimed in claim 5, it is characterised in that the pull bar fixation kit includes draw-bar seat
(631) and pull bar actuator (632), the draw-bar seat (631) is arranged on experiment base plate (7), the pull bar start
The cylinder of device (632) is connected with the draw-bar seat (631), and the piston end of the pull bar actuator (632) is the drag link end.
7. fatigue experimental device as claimed in claim 5, it is characterised in that the loading device of waving includes：
Actuator (41) is waved, the cylinder for waving actuator (41) is arranged on the experiment base plate；
Wave loading chuck (42), it is described wave loading chuck (42) be arranged on it is described wave on the piston rod of actuator and with institute
State bearingless rotor Jiang Grains and wave support arm connection；
Wave loading baffle plate (43), it is described wave loading baffle plate (43) with it is described wave loading chuck be connected.
8. fatigue experimental device as claimed in claim 7, it is characterised in that the shimmy loading device includes：
Shimmy loading support (51), shimmy loading support (51) is arranged on experiment base plate (7) and set location is
Bearingless rotor Jiang Grains wave the side of support arm (2)；
Shimmy pressurized strut (52), the cylinder of the shimmy pressurized strut (52) is connected with shimmy loading support (51), the pendulum
The piston rod of pressurized strut (52) of shaking is waved support arm (2) and is connected with the bearingless rotor oar Grains.
9. fatigue experimental device as claimed in claim 8, it is characterised in that the cylinder of the shimmy pressurized strut (52) with it is described
Shimmy loading support (51) is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068467.5A CN106768920A (en) | 2016-11-29 | 2016-11-29 | A kind of fatigue experimental device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611068467.5A CN106768920A (en) | 2016-11-29 | 2016-11-29 | A kind of fatigue experimental device |
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| CN106768920A true CN106768920A (en) | 2017-05-31 |
Family
ID=58904925
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| CN201611068467.5A Pending CN106768920A (en) | 2016-11-29 | 2016-11-29 | A kind of fatigue experimental device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860565A (en) * | 2017-10-11 | 2018-03-30 | 昌河飞机工业（集团）有限责任公司 | A kind of loading device of helicopter simulating blade stress |
| CN108120592A (en) * | 2017-11-29 | 2018-06-05 | 中国直升机设计研究所 | A kind of test method of helicopter blade static strength |
| CN109187019A (en) * | 2018-10-31 | 2019-01-11 | 燕山大学 | Oscillating oil cylinder loaded type main rotor ball socket bearing comprehensive test machine |
| CN109506912A (en) * | 2018-11-12 | 2019-03-22 | 中国直升机设计研究所 | A kind of unmanned helicopter main hub center piece fatigue experimental device |
| CN109506908A (en) * | 2018-11-09 | 2019-03-22 | 中国直升机设计研究所 | Endpiece testpieces fatigue test horizontal tail load charger |
| CN109533387A (en) * | 2018-11-13 | 2019-03-29 | 中国直升机设计研究所 | A kind of Helicopter Main Hub support arm restraint lock fatigue experimental device |
| CN110031203A (en) * | 2019-05-15 | 2019-07-19 | 哈尔滨电气股份有限公司 | A kind of experimental verification device of wheel disc crack propagation life |
| CN110641735A (en) * | 2019-09-29 | 2020-01-03 | 中国直升机设计研究所 | Fatigue test loading device for tail rotor hub journal shaft sleeve assembly |
| CN110789733A (en) * | 2019-10-11 | 2020-02-14 | 中国直升机设计研究所 | Method for evaluating fatigue life of flapping deformation section of tail rotor flexible beam of helicopter |
| CN110901949A (en) * | 2019-10-15 | 2020-03-24 | 中国直升机设计研究所 | Helicopter blade strength test method |
| CN110987421A (en) * | 2019-12-25 | 2020-04-10 | 中国航空工业集团公司西安飞机设计研究所 | Dynamic fatigue test support method for whole-machine main control system |
| CN111645877A (en) * | 2020-05-07 | 2020-09-11 | 南京华航翼飞行器技术有限公司 | Seesaw type rotor wing fatigue test device and working method thereof |
| CN112485108A (en) * | 2020-10-30 | 2021-03-12 | 中国直升机设计研究所 | Three-dimensional loading test device for double-elastic-bearing main-propeller central part |
| CN113358487A (en) * | 2021-06-06 | 2021-09-07 | 吉林大学 | Device and method for testing high-temperature low-cycle fatigue performance of rotor blade |
| CN115420478A (en) * | 2021-05-31 | 2022-12-02 | 惠阳航空螺旋桨有限责任公司 | Hub centrifugal load test device |
| CN115420479A (en) * | 2021-05-31 | 2022-12-02 | 惠阳航空螺旋桨有限责任公司 | Propeller blade fatigue test device |
| CN115479758A (en) * | 2021-06-15 | 2022-12-16 | 惠阳航空螺旋桨有限责任公司 | Centrifugal load test device and test method thereof |
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|---|---|---|---|---|
| CN107860565A (en) * | 2017-10-11 | 2018-03-30 | 昌河飞机工业（集团）有限责任公司 | A kind of loading device of helicopter simulating blade stress |
| CN108120592A (en) * | 2017-11-29 | 2018-06-05 | 中国直升机设计研究所 | A kind of test method of helicopter blade static strength |
| CN109187019A (en) * | 2018-10-31 | 2019-01-11 | 燕山大学 | Oscillating oil cylinder loaded type main rotor ball socket bearing comprehensive test machine |
| CN109187019B (en) * | 2018-10-31 | 2019-07-26 | 燕山大学 | Oscillating oil cylinder loaded type main rotor ball socket bearing comprehensive test machine |
| CN109506908A (en) * | 2018-11-09 | 2019-03-22 | 中国直升机设计研究所 | Endpiece testpieces fatigue test horizontal tail load charger |
| CN109506912A (en) * | 2018-11-12 | 2019-03-22 | 中国直升机设计研究所 | A kind of unmanned helicopter main hub center piece fatigue experimental device |
| CN109533387A (en) * | 2018-11-13 | 2019-03-29 | 中国直升机设计研究所 | A kind of Helicopter Main Hub support arm restraint lock fatigue experimental device |
| CN110031203B (en) * | 2019-05-15 | 2021-07-27 | 哈尔滨电气股份有限公司 | Experimental verification device for service life of wheel disc crack propagation |
| CN110031203A (en) * | 2019-05-15 | 2019-07-19 | 哈尔滨电气股份有限公司 | A kind of experimental verification device of wheel disc crack propagation life |
| CN110641735A (en) * | 2019-09-29 | 2020-01-03 | 中国直升机设计研究所 | Fatigue test loading device for tail rotor hub journal shaft sleeve assembly |
| CN110789733A (en) * | 2019-10-11 | 2020-02-14 | 中国直升机设计研究所 | Method for evaluating fatigue life of flapping deformation section of tail rotor flexible beam of helicopter |
| CN110789733B (en) * | 2019-10-11 | 2022-04-12 | 中国直升机设计研究所 | Method for evaluating fatigue life of flapping deformation section of tail rotor flexible beam of helicopter |
| CN110901949A (en) * | 2019-10-15 | 2020-03-24 | 中国直升机设计研究所 | Helicopter blade strength test method |
| CN110987421A (en) * | 2019-12-25 | 2020-04-10 | 中国航空工业集团公司西安飞机设计研究所 | Dynamic fatigue test support method for whole-machine main control system |
| CN110987421B (en) * | 2019-12-25 | 2022-04-19 | 中国航空工业集团公司西安飞机设计研究所 | Dynamic fatigue test support method for whole-machine main control system |
| CN111645877A (en) * | 2020-05-07 | 2020-09-11 | 南京华航翼飞行器技术有限公司 | Seesaw type rotor wing fatigue test device and working method thereof |
| CN112485108A (en) * | 2020-10-30 | 2021-03-12 | 中国直升机设计研究所 | Three-dimensional loading test device for double-elastic-bearing main-propeller central part |
| CN112485108B (en) * | 2020-10-30 | 2022-09-13 | 中国直升机设计研究所 | Three-dimensional loading test device for central part of main propeller of double-elastic bearing |
| CN115420478A (en) * | 2021-05-31 | 2022-12-02 | 惠阳航空螺旋桨有限责任公司 | Hub centrifugal load test device |
| CN115420479A (en) * | 2021-05-31 | 2022-12-02 | 惠阳航空螺旋桨有限责任公司 | Propeller blade fatigue test device |
| CN113358487A (en) * | 2021-06-06 | 2021-09-07 | 吉林大学 | Device and method for testing high-temperature low-cycle fatigue performance of rotor blade |
| CN115479758A (en) * | 2021-06-15 | 2022-12-16 | 惠阳航空螺旋桨有限责任公司 | Centrifugal load test device and test method thereof |
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Application publication date: 20170531 |