CN106525404A - Tail rotor stand - Google Patents

Tail rotor stand Download PDF

Info

Publication number
CN106525404A
CN106525404A CN201611084635.XA CN201611084635A CN106525404A CN 106525404 A CN106525404 A CN 106525404A CN 201611084635 A CN201611084635 A CN 201611084635A CN 106525404 A CN106525404 A CN 106525404A
Authority
CN
China
Prior art keywords
driving shaft
tail
rotor
component
balance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611084635.XA
Other languages
Chinese (zh)
Other versions
CN106525404B (en
Inventor
杨月
赵云
邵华松
张文静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Helicopter Research and Development Institute
Original Assignee
China Helicopter Research and Development Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Helicopter Research and Development Institute filed Critical China Helicopter Research and Development Institute
Priority to CN201611084635.XA priority Critical patent/CN106525404B/en
Publication of CN106525404A publication Critical patent/CN106525404A/en
Application granted granted Critical
Publication of CN106525404B publication Critical patent/CN106525404B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M9/00Aerodynamic testing; Arrangements in or on wind tunnels

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

Disclosed in the invention is a tail rotor stand comprising a rack, a horizontal motor, a reducer, a first driving shaft assembly, a torque scale, a second driving shaft assembly, a single-component lift balance, a rotating translation conversion device, and an actuator cylinder set. The rack includes a support platform, a driving shaft support part, and an accommodation space. The reducer is arranged in the accommodation space and the input terminal of the reducer is connected with the output terminal of the horizontal motor. The first driving shaft assembly is arranged inside the driving shaft support part and can rotate relative to the driving shaft support part; and one end of the driving shaft assembly is connected with the output terminal of the reducer. The torque scale is connected with the other end of the first driving shaft assembly. One end of the second driving shaft assembly is in transmission connection with the torque scale and the other end is in transmission connection with a tail rotor. The single-component lift balance is arranged on the support platform; a floating plate of the single-component lift balance is connected with the second driving shaft assembly. The rotating translation conversion device is in transmission connection with the second driving shaft assembly. A cylinder body of the actuator cylinder set is arranged on the floating plate and a piston rod is connected with the rotating translation conversion device.

Description

A kind of tail-rotor platform
Technical field
The present invention relates to tail-rotor experimental technique field, more particularly to a kind of tail-rotor platform.
Background technology
Helicopter rotor system includes main rotor and tail-rotor (except DCB Specimen and some Novel helicopters), has influence on and goes straight up to Life-span of machine, flight quality, safety, performance and holocyclic cost of use, decide Project R&D into lose.Rotor system Motion and structure are extremely complex, so the research such as helicopter dynamic trait, aerodynamic is the endless topic of helicopter circle. Although the hardware facility high speed development such as finite element theory, computing technique and computer, by model and can calculate come right now Problem in terms of hydrodynamics is studied, but the real reflection rotor characteristic of distance also has larger gap.In order to real anti- The index of the aspects such as the inherent character of rotor, level of vibration, performance, durability is reflected, needs carry out complete under stand installment state Size Rotor Test.The requirement of tail-rotor testing stand is in dynamical system provides stable, lasting certain limit before adjustable power Put, realize the manipulation to being close to the rotor system of installment state on machine as far as possible, it is necessary to including stage body, power, transmission, dynamometry, The systems such as manipulation, data acquisition and monitoring.Conventional general tail-rotor testing stand is small-power tail-rotor testing stand, using vertical electricity Machine.
The test capability of conventional tail-rotor testing stand (not general) cannot meet wanting for tail-rotor ground stand high-power test Ask, while tail-rotor is horizontal to fill the working environment rather harsh for making balance, in order to solve the above problems, need to develop a set of high-power tail Oar testing stand provides necessary experimental condition for the examination of each model tail-rotor high-power test.
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
It is an object of the invention to provide a kind of tail-rotor platform is overcoming or at least mitigate at least one above-mentioned of prior art Defect.
For achieving the above object, the invention provides a kind of tail-rotor platform, the tail-rotor platform includes:
Stand, the stand include support platform, transmission shaft supporting part and accommodation space;
Horizontal machine;
Decelerator, the decelerator are arranged in the accommodation space, and the input of the decelerator is horizontal with described The outfan connection of motor;
First transmission shaft component, first transmission shaft component are arranged in transmission shaft supporting part and being capable of relatively described biographies Shafts support portion rotates;One end of the transmission shaft component is connected with the outfan of the decelerator;
Torsion balance, the torsion balance are connected with the other end of first transmission shaft component;
Second driving shaft component, one end and the torsion balance of the second driving shaft component are connected, the other end For being connected with tail-rotor;Simple component lift balance, the simple component lift balance are arranged in the supporting table, the list The floating disc of component lift balance is connected with the second driving shaft component;Rotary flat transfers changing device, the rotary flat transfer Changing device is connected with the second driving shaft component;Pressurized strut group, the cylinder of the pressurized strut group are arranged on the floating On disk, the piston rod of the pressurized strut group is connected with rotary flat transfer changing device;Wherein, the output shaft of the horizontal machine passes through Decelerator, the first transmission shaft component and second driving shaft component drive the tail-rotor rotation;The torsion balance is used to measure The moment of torsion during rotor wing rotation;The simple component lift balance is used to measure the lift when tail-rotor rotates;The start Cylinder is organized for promoting the rotary flat to transfer changing device motion by way of piston rod is flexible, and the rotary flat transfers changing device The second driving shaft component movement is driven, makes second driving shaft component drive tail-rotor motion, so as to change the total of the tail-rotor Away from.
Preferably, the stand is further included:Motor base and testing stand base plate, the motor base are used to place The horizontal machine;The testing stand base plate upper space is the accommodation space.
Preferably, the simple component lift balance includes simple component lift balance fixed frame, the simple component lift balance Fixed frame is integrally formed with the support platform.
Preferably, first transmission shaft component includes the first power transmission shaft, clutch shaft bearing and the first connector, described For the first power transmission shaft is connected with the described first transmission shaft supporting part, first connector is used to make described first one bearing Power transmission shaft is connected with the torsion balance and decelerator respectively.
Preferably, the second driving shaft component include second driving shaft, control lever shaft, second driving shaft bracing frame, second Bearing and the second connector, the second driving shaft bracing frame be arranged on the floating disc of the simple component lift balance and with The floating disc is connected;The second driving shaft is passed through the second driving shaft bracing frame and is propped up with the second driving shaft Support is connected by bearing;Described second driving shaft one end is connected by second connector and the torsion balance, The other end is for being connected with tail-rotor;The second driving shaft is hollow, and the control lever shaft is arranged in the second driving shaft, And the control lever shaft is connected with the tail-rotor and rotary flat transfer changing device respectively.
Preferably, the pressurized strut group includes multiple pressurized struts, and each pressurized strut is distributed on the rotary flat transfer and changes the outfit Put.
The advantage of the tail-rotor platform of the application is as follows:
1) meet the versatility requirement of test
Its highly versatile, can meet the dress platform test of different model tail-rotor by changing different test connectors, and which changes Make the workload workload that testing stand is transformed than ever and reduce about 1/2nd.
2) mounting means of dress is erected using tail-rotor
Erect the mounting means of dress first using tail-rotor, in the case of guarantee test data are accurate, make the building ring of balance Border is relative to improve.
3) balance fixed frame and stage body carry out Combined design
Solve the problems, such as the oversized installation difficulty of vibrator.
4) adopt modular design method
The workload of installation and removal greatly reduces.
Description of the drawings
Fig. 1 is the structural representation of tail-rotor platform according to an embodiment of the invention.
Reference
1 Stand 6 Second driving shaft component
2 Horizontal machine 7 Simple component lift balance
3 Decelerator 8 Rotary flat transfers changing device
4 First transmission shaft component 9 Pressurized strut group
5 Torsion balance
Specific embodiment
To make purpose, technical scheme and the advantage of present invention enforcement 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 the embodiment of whole.It is exemplary below with reference to the embodiment of Description of Drawings, it is intended to use 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 obtained under the premise of creative work is not made by member, belongs to the scope of protection of the invention.Under Face combines accompanying drawing and embodiments of the invention is described in detail.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " is based on accompanying drawing institute The orientation for showing or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply the dress of indication 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 restriction of scope.
Fig. 1 is the structural representation of tail-rotor platform according to an embodiment of the invention.
Tail-rotor platform as shown in Figure 1 includes stand 1, horizontal machine 2, decelerator 3, the first transmission shaft component 4, torsion balance 5th, second driving shaft component 6, simple component lift balance 7, rotary flat transfer changing device 8 and pressurized strut group 9, stand include supporting Platform, transmission shaft supporting part and accommodation space;Decelerator 3 is arranged in accommodation space, and the input of decelerator with it is horizontal The outfan connection of motor;First transmission shaft component is arranged in transmission shaft supporting part and being capable of relative transmission shaft supporting part rotation Turn;One end of transmission shaft component is connected with the outfan of decelerator;Torsion balance is connected with the other end of the first transmission shaft component; One end of second driving shaft component is connected with torsion balance, and the other end is for being connected with tail-rotor;Simple component lift day Flat to be arranged in supporting table, the floating disc of simple component lift balance is connected with second driving shaft component;Rotary flat transfers changing device It is connected with second driving shaft component;The cylinder of pressurized strut group is arranged on floating disc, piston rod and the rotation of pressurized strut group Translation conversion equipment connection;Wherein,
The output shaft of horizontal machine drives the tail by decelerator, the first transmission shaft component and second driving shaft component Oar rotates;Torsion balance is used to measure the moment of torsion during rotor wing rotation;When simple component lift balance is used to measure tail-rotor rotation Lift;Pressurized strut group transfers changing device motion, rotation translation for the rotary flat is promoted by way of piston rod is flexible Conversion equipment drives the second driving shaft component movement, makes second driving shaft component drive tail-rotor motion, so as to change tail-rotor Always away from.
The advantage of the tail-rotor platform of the application is as follows:
1) meet the versatility requirement of test
Its highly versatile, can meet the dress platform test of different model tail-rotor by changing different test connectors, and which changes Make the workload workload that testing stand is transformed than ever and reduce about 1/2nd.
2) mounting means of dress is erected using tail-rotor
Erect the mounting means of dress first using tail-rotor, in the case of guarantee test data are accurate, make the building ring of balance Border is relative to improve.
3) balance fixed frame and stage body carry out Combined design
Solve the problems, such as the oversized installation difficulty of vibrator.
4) adopt modular design method
The workload of installation and removal greatly reduces.
Referring to Fig. 1, in the present embodiment, stand is further included:Motor base and testing stand base plate, motor base are used In placement horizontal machine;Testing stand base plate upper space is accommodation space.
Referring to Fig. 1, in the present embodiment, simple component lift balance includes simple component lift balance fixed frame, simple component liter Power balance fixed frame is integrally formed with support platform.
Referring to Fig. 1, in the present embodiment, the first transmission shaft component includes the first power transmission shaft, clutch shaft bearing and the first company Fitting, for the first power transmission shaft is connected with the first transmission shaft supporting part, the first connector is used to make the first transmission clutch shaft bearing Axle is connected with torsion balance and decelerator respectively.
Referring to Fig. 1, in the present embodiment, second driving shaft component includes second driving shaft, control lever shaft, second driving shaft Support, second bearing and the second connector, second driving shaft bracing frame are arranged on the floating disc of simple component lift balance simultaneously It is connected with floating disc;Second driving shaft is passed through second driving shaft bracing frame and is connected by bearing with second driving shaft bracing frame Connect;Second driving shaft one end is connected by the second connector and torsion balance, and the other end is for being connected with tail-rotor;The Two power transmission shafts are hollow, and control lever shaft is arranged in the second driving shaft, and control lever shaft is changed with tail-rotor and rotary flat transfer respectively Device connects.
Referring to Fig. 1, in the present embodiment, pressurized strut group includes multiple pressurized struts, and each pressurized strut is distributed on rotation translation On conversion equipment.By the way of pressurized strut is uniform, it is more uniformly distributed can loading.
It is last it is to be noted that:Above example only to illustrate technical scheme, rather than a limitation.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:Which is still Technical scheme described in foregoing embodiments can be modified, or equivalent is carried out to which part technical characteristic and replace Change;And these modifications or replacement, do not make the essence of appropriate technical solution depart from the essence of various embodiments of the present invention technical scheme God and scope.

Claims (6)

1. a kind of tail-rotor platform, it is characterised in that the tail-rotor platform includes:
Stand (1), the stand include support platform, transmission shaft supporting part and accommodation space;
Horizontal machine (2);
Decelerator (3), the decelerator (3) are arranged in the accommodation space, and the input of the decelerator is sleeping with described The outfan connection of formula motor;
First transmission shaft component (4), first transmission shaft component are arranged in transmission shaft supporting part and being capable of relatively described biographies Shafts support portion rotates;One end of the transmission shaft component is connected with the outfan of the decelerator;
Torsion balance (5), the torsion balance are connected with the other end of first transmission shaft component;
Second driving shaft component (6), one end and the torsion balance of the second driving shaft component are connected, and the other end is used In being connected with tail-rotor;
Simple component lift balance (7), the simple component lift balance are arranged in the supporting table, the simple component lift balance Floating disc be connected with the second driving shaft component;
Rotary flat transfer changing device (8), the rotary flat transfer changing device are connected with the second driving shaft component;
Pressurized strut group (9), the cylinder of the pressurized strut group are arranged on the floating disc, piston rod and the rotation of the pressurized strut group Turn the connection of translation conversion equipment;Wherein,
The output shaft of the horizontal machine drives the tail by decelerator, the first transmission shaft component and second driving shaft component Oar rotates;The torsion balance is used to measure the moment of torsion during rotor wing rotation;The simple component lift balance is used to measure institute State lift when tail-rotor rotates;The pressurized strut group changes the outfit for the rotary flat transfer is promoted by way of piston rod is flexible Motion is put, the rotary flat transfer changing device drives the second driving shaft component movement, makes second driving shaft component drive tail Oar move, so as to change the tail-rotor always away from.
2. tail-rotor platform as claimed in claim 1, it is characterised in that the stand is further included:Motor base and test Platform base plate, the motor base are used to place the horizontal machine;The testing stand base plate upper space is the accommodation space.
3. tail-rotor platform as claimed in claim 2, it is characterised in that the simple component lift balance includes simple component lift balance Fixed frame, the simple component lift balance fixed frame are integrally formed with the support platform.
4. tail-rotor platform as claimed in claim 3, it is characterised in that first transmission shaft component include the first power transmission shaft, One bearing and the first connector, the clutch shaft bearing are connected for first power transmission shaft is driven shaft supporting part with described first, First connector is used to make first power transmission shaft be connected with the torsion balance and decelerator respectively.
5. tail-rotor platform as claimed in claim 4, it is characterised in that the second driving shaft component includes second driving shaft, behaviour The longitudinal axis, second driving shaft bracing frame, second bearing and the second connector, the second driving shaft bracing frame are arranged on the list It is connected on the floating disc of component lift balance and with the floating disc;The second driving shaft passes through the second driving shaft Bracing frame is simultaneously connected by bearing with the second driving shaft bracing frame;Described second driving shaft one end connects by described second Part is connected with the torsion balance, and the other end is for being connected with tail-rotor;The second driving shaft is hollow, the manipulation Axle is arranged in the second driving shaft, and the control lever shaft is connected with the tail-rotor and rotary flat transfer changing device respectively.
6. tail-rotor platform as claimed in claim 5, it is characterised in that the pressurized strut group includes multiple pressurized struts, each start Cylinder is distributed on the rotary flat transfer changing device.
CN201611084635.XA 2016-11-30 2016-11-30 A kind of tail-rotor platform Active CN106525404B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611084635.XA CN106525404B (en) 2016-11-30 2016-11-30 A kind of tail-rotor platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611084635.XA CN106525404B (en) 2016-11-30 2016-11-30 A kind of tail-rotor platform

Publications (2)

Publication Number Publication Date
CN106525404A true CN106525404A (en) 2017-03-22
CN106525404B CN106525404B (en) 2018-09-07

Family

ID=58355384

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611084635.XA Active CN106525404B (en) 2016-11-30 2016-11-30 A kind of tail-rotor platform

Country Status (1)

Country Link
CN (1) CN106525404B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109142055A (en) * 2018-09-03 2019-01-04 南京航空航天大学 A kind of rotary wing performance multi-function test stand
CN109625320A (en) * 2018-12-28 2019-04-16 中国兵器工业计算机应用技术研究所 A kind of adjustment test of rotary-wing transmission system and torsion-testing apparatus, method
CN110514386A (en) * 2019-08-05 2019-11-29 中国航空工业集团公司哈尔滨空气动力研究所 One kind being based on motor-driven ducted tail rotor experiment supporting device
CN110901951A (en) * 2019-11-15 2020-03-24 哈尔滨飞机工业集团有限责任公司 Multifunctional tail rotor test system
RU2722650C2 (en) * 2018-11-02 2020-06-02 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) Apparatus for inspecting helicopter rotors in uncontrolled rotation mode
CN111232244A (en) * 2020-04-29 2020-06-05 北京清航紫荆装备科技有限公司 Unmanned helicopter rotor system test bench
CN111721493A (en) * 2019-07-03 2020-09-29 中国空气动力研究与发展中心低速空气动力研究所 Helicopter combined model wind tunnel test device with independent tail rotor device
CN113173261A (en) * 2021-04-20 2021-07-27 中国直升机设计研究所 Composite loading field checking device and method for rotor wing balance loading test bed

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060258233A1 (en) * 2005-04-15 2006-11-16 Jim Wilson Marine drive system
US20120216631A1 (en) * 2011-02-28 2012-08-30 Airbus Operations Gmbh Force measuring system, method for measuring forces and torques on a rotating body and wind tunnel with a model arranged therein and comprising at least one propeller with a force measuring system
CN102901623A (en) * 2012-10-24 2013-01-30 哈尔滨东安发动机(集团)有限公司 Device for testing coaxial inversion rotor wing of helicopter
CN104809943A (en) * 2015-05-18 2015-07-29 中国人民解放军海军工程大学 Wing lift and drag experimental device
CN105424335A (en) * 2015-11-04 2016-03-23 中国直升机设计研究所 Rotor wing operating device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060258233A1 (en) * 2005-04-15 2006-11-16 Jim Wilson Marine drive system
US20120216631A1 (en) * 2011-02-28 2012-08-30 Airbus Operations Gmbh Force measuring system, method for measuring forces and torques on a rotating body and wind tunnel with a model arranged therein and comprising at least one propeller with a force measuring system
CN102901623A (en) * 2012-10-24 2013-01-30 哈尔滨东安发动机(集团)有限公司 Device for testing coaxial inversion rotor wing of helicopter
CN104809943A (en) * 2015-05-18 2015-07-29 中国人民解放军海军工程大学 Wing lift and drag experimental device
CN105424335A (en) * 2015-11-04 2016-03-23 中国直升机设计研究所 Rotor wing operating device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109142055A (en) * 2018-09-03 2019-01-04 南京航空航天大学 A kind of rotary wing performance multi-function test stand
CN109142055B (en) * 2018-09-03 2020-06-09 南京航空航天大学 Rotor performance comprehensive test platform
RU2722650C2 (en) * 2018-11-02 2020-06-02 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) Apparatus for inspecting helicopter rotors in uncontrolled rotation mode
CN109625320A (en) * 2018-12-28 2019-04-16 中国兵器工业计算机应用技术研究所 A kind of adjustment test of rotary-wing transmission system and torsion-testing apparatus, method
CN109625320B (en) * 2018-12-28 2022-04-05 中国兵器工业计算机应用技术研究所 Running-in test and torque test device and method for rotor wing transmission system
CN111721493A (en) * 2019-07-03 2020-09-29 中国空气动力研究与发展中心低速空气动力研究所 Helicopter combined model wind tunnel test device with independent tail rotor device
CN111721493B (en) * 2019-07-03 2021-02-02 中国空气动力研究与发展中心低速空气动力研究所 Helicopter combined model wind tunnel test device with independent tail rotor device
CN110514386A (en) * 2019-08-05 2019-11-29 中国航空工业集团公司哈尔滨空气动力研究所 One kind being based on motor-driven ducted tail rotor experiment supporting device
CN110901951A (en) * 2019-11-15 2020-03-24 哈尔滨飞机工业集团有限责任公司 Multifunctional tail rotor test system
CN111232244A (en) * 2020-04-29 2020-06-05 北京清航紫荆装备科技有限公司 Unmanned helicopter rotor system test bench
CN113173261A (en) * 2021-04-20 2021-07-27 中国直升机设计研究所 Composite loading field checking device and method for rotor wing balance loading test bed
CN113173261B (en) * 2021-04-20 2022-10-18 中国直升机设计研究所 Composite loading field checking device and method for rotor wing balance loading test bed

Also Published As

Publication number Publication date
CN106525404B (en) 2018-09-07

Similar Documents

Publication Publication Date Title
CN106525404A (en) Tail rotor stand
CN205352219U (en) Three -dimensional test turntable of guided missile
CN103050046B (en) Parallel motion simulation platform with load-bearing mechanism
CN102785775B (en) A kind of multi-rotor aerocraft with rolling function
CN102175420B (en) Two-degrees-of-freedom supporting system for wind tunnel test of airplane
Krysinski et al. Mechanical vibrations: active and passive control
CN103253385B (en) A kind of space six degree of freedom is controlled with weightless flight device
CN106327947A (en) Flight motion simulator
CN109765022B (en) Helicopter main reducer vibration isolation system test device
CN207197761U (en) A kind of micro-vibration source ground survey system containing gravity unloading
CN105181333A (en) Helicopter tail rotor system supporting combination joint bearing test machine
CN104843177B (en) Aircraft
CN113267315A (en) Low-speed wind tunnel direct-drive gust generating device
CN105151280A (en) Aircraft empennage regulation mechanism with pitching and yawing completely decoupled
CN109540452B (en) Rotary rocket three-degree-of-freedom angular motion simulation test device
CN106275502A (en) A kind of gear test loads vacation wheel
CN104616563B (en) A kind of rocker-arm flight simulator that analog capability is overloaded with continuation
CN111672081A (en) Five-degree-of-freedom continuous load simulation platform
CN103661940A (en) Independent blade control system with hydraulic cyclic control
CN106525477A (en) Foldable missile wing simulation loading test device
CN109571444B (en) Two-translation one-rotation partial decoupling parallel mechanism
CN101774130A (en) Redundant-drive three-shaft series-parallel rotary platform
CN104713708B (en) Main shaft fatigue experimental device
CN206249652U (en) A kind of flight simulation triaxial movement platform
CN210555640U (en) High-dynamic centrifugal overload simulation test device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant