CN105527067B - A kind of device for the angular deflection of rudder piece and locking - Google Patents

A kind of device for the angular deflection of rudder piece and locking Download PDF

Info

Publication number
CN105527067B
CN105527067B CN201510855234.9A CN201510855234A CN105527067B CN 105527067 B CN105527067 B CN 105527067B CN 201510855234 A CN201510855234 A CN 201510855234A CN 105527067 B CN105527067 B CN 105527067B
Authority
CN
China
Prior art keywords
locking
rudderpost
transmission device
rudder piece
rotation
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.)
Active
Application number
CN201510855234.9A
Other languages
Chinese (zh)
Other versions
CN105527067A (en
Inventor
胡琪波
王永辉
汪东政
李艳娟
汪涛
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.)
Hubei Sanjiang Aerospace Hongfeng Control Co Ltd
Original Assignee
Hubei Sanjiang Aerospace Hongfeng Control Co Ltd
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 Hubei Sanjiang Aerospace Hongfeng Control Co Ltd filed Critical Hubei Sanjiang Aerospace Hongfeng Control Co Ltd
Priority to CN201510855234.9A priority Critical patent/CN105527067B/en
Publication of CN105527067A publication Critical patent/CN105527067A/en
Application granted granted Critical
Publication of CN105527067B publication Critical patent/CN105527067B/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
    • G01M9/00Aerodynamic testing; Arrangements in or on wind tunnels
    • G01M9/02Wind tunnels
    • G01M9/04Details

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a kind of devices for the angular deflection of rudder piece and locking, including:Locking device and transmission device, wherein transmission device is for driving rudderpost to rotate respective angles, locking device be used for locked after rudderpost is rotated in place the rudderpost and simultaneously next time rotate when unlock the rudderpost allow transmission device continue drive rudderpost rotate to next angle, it uses the structure control rudder piece of optimization to deflect, so as to realize that aircraft rudder piece has the angular deflection of control instead of angle piece function, and enable to the positioning accuracy after the deflection in place of rudder piece, it may be implemented not shutting down the aerodynamic data for testing rudder piece in each position in wind-tunnel, with small, output torque is big, it is driven the high feature of positioning accuracy.

Description

A kind of device for the angular deflection of rudder piece and locking
Technical field
The invention belongs to aircraft rudder pieces to deflect control field, and in particular to a kind of for the angular deflection of rudder piece and locking Device is applicable to the control of aircraft rudder piece deflection angle in wind tunnel test.
Background technology
When making wind tunnel test, it usually needs the rudder piece of aircraft or model to test is under various different deflection angles It is tested, to test the upper aerodynamic force of the aircraft under respective angles.
Currently, for above-mentioned experiment, in order to obtain the rudder piece operating mode under different angle, typically using installation different size The mode of angle piece carries out, to simulate the different deflection angles of rudder piece.When test, by sunk screw by the angle under certain angle Degree piece couples with rudder piece and fuselage, and indirect analog obtains the rudder piece under the angle, when needing to carry out the test of next angle, then The angle piece under another angle is reinstalled, i.e., by installing the angle piece under different angle, realizes the test deflected to rudder piece.
But on the one hand aforesaid way requires wind-tunnel repeatedly to shut down to facilitate tester to install different angle pieces, it is more Secondary experiment just needs multiple switching machine, not only take in this way it is huge but also also extremely serious to the waste of resource, or even can because Frequent switching on and shutting down operate the decrease so that service life of a machine, and can cause experiment that can not carry out continuous deflection test;Another party Face, abrasion caused by the machining accuracy of angle piece and the long-term use of angle piece can all influence to change the inclined of rudder piece by angle piece Turn precision, and the deflection of rudder piece is simulated by angle piece, measuring accuracy is not high.
Invention content
For presently, there are drawbacks described above, the present invention provides a kind of device for the angular deflection of rudder piece and locking, It is deflected using the structure control rudder piece of optimization, so as to realize that aircraft rudder piece has the angular deflection of control instead of angle piece function, And the positioning accuracy after the deflection in place of rudder piece is enabled to, may be implemented not shutting down test rudder piece at everybody in wind-tunnel The aerodynamic data set, has small, and output torque is big, the high feature of transmission positioning accuracy.
To achieve the above object, it is proposed, according to the invention, a kind of device for the angular deflection of rudder piece and locking is provided, can be used for Aircraft rudder piece angular deflection in wind tunnel test and locking control, which is characterized in that the device includes:
Locking device and transmission device, wherein the transmission device is for driving rudderpost to rotate respective angles, the locking Device is used to make transmission dress locking the rudderpost after rudderpost is rotated in place and unlock the rudderpost when rotating next time simultaneously Setting can continue that rudderpost is driven to rotate to next angle, wherein
The locking device includes locking motor, self-locking screw rod, nut, sliding block, shift fork and end tooth, and the shift fork is bar Body structure, one end are provided with rotating shaft, which is additionally provided with the holder of protrusion, and the end tooth is arranged in the holder On, the setting of one end end face of the end tooth is with teeth, is used for one of transmission device in the end of the co-axially fixed belt wheel of rudderpost Engagement;
The other end in shift fork is arranged in the self-locking screw rod, and the driver framework of shift fork end is passed through to be exported with locking motor Axis connection, being rotated by locking motor, be set on the self-locking screw rod and can be movable relatively with self-locking screw rod The rotation of nut, self-locking screw rod may make the nut to be provided with sliding block in self-locking screw rod upper edge axial linear movement, the nut, It can be clamped with the nut synchronizing moving, the sliding block with the opening on driver framework so that the linear motion of nut and sliding block Shift fork end can be pushed to move, so can the rotation of shift fork pitch of the laps rotating shaft, to drive on the end tooth and transmission device Belt wheel engagement or be disengaged from, realize locking or unlock to rudderpost.
As an improvement of the present invention, the transmission device includes decelerating motor, harmonic speed reducer, belt wheel, transmission belt and The belt wheel being arranged on rudderpost, wherein the belt wheel drives axis connection by harmonic speed reducer and decelerating motor, it can be in the electricity that slows down Machine is rotated by, which is connect by transmission belt with belt wheel, and the belt wheel is fixedly and coaxially connected with rudderpost, and belt wheel turns It is dynamic to be rotated by transmission belt band movable belt pulley, and then the rudderpost being connected with belt wheel is driven to rotate, realize the deflection to rudderpost angle.
As an improvement of the present invention, the band wheel end is additionally provided with tooth, is used to coordinate with the end tooth on locking device, And can realize separably engagement cooperation, to realize the locking and unlocking to belt wheel.
As an improvement of the present invention, the driver framework is the square frame with multiple openings, opposite sides on nut Sliding block is respectively and fixedly provided on face, to may make each sliding block that can be connected in the driver framework.
As an improvement of the present invention, the locking motor is fixed by end cap, and self-locking screw rod both ends pass through angular contact Bearing support, and connecting pin is connect across the end cap with locking motor.
As an improvement of the present invention, shift fork closes the opening, and the branch of protrusion in another end opening of Y types by rotating shaft The end tooth being arranged on frame is supported by the angular contact bearing being fixed on the holder, and anti-rotation end cap is provided on the holder, can Prevent end tooth around axial rotation.
As an improvement of the present invention, the angle sensor device assembly includes angular transducer, angular contact bearing and feedback tooth It takes turns, corresponding gear is additionally provided on the transmission device, the feedback gear is fixedly and coaxially connected with angular transducer, and should Feedback gear is engaged with the feedback gear on transmission device, and the angle of transmission device rotation is can detect by the angular transducer, And then measurement and control of the realization to rudderpost rotation angle.
In general, above technical scheme is formed by compared with the prior art by above-mentioned design, technology specific as follows Effect:
(1) present invention realizes that locking device is reliably locked by the self-locking feature of bolt and nut, is not in dead electricity braking Unexpected unlock situation of the device in vibration processes;
(2) the design of lockup equipment only leans on the locking of very little in steering engine primary input terminal due to the amplification of deceleration mechanism Power can generate prodigious locking torque in rudder on piece, therefore locking device can be made small;
(3) in turn device, due to the amplification of deceleration mechanism, very high output can be provided for the rotation of rudder piece and turned round Square, so turn device can be made small.
(4) flat mini servo mechanism of the invention, efficiently solves model aircraft rudder piece continuous deflection in wind tunnel test Problem, it is insecure to solve the problems, such as that rudder piece is fixed during wind tunnel test while the latching characteristics of nut-screw pair.
Description of the drawings
Fig. 1 is the structural schematic diagram according to the device of one embodiment of the invention;
Fig. 2 is the structural schematic diagram of the locking device in Fig. 1;
Fig. 3 is the structural exploded view of the locking device in Fig. 1;
Fig. 4 is the enlarged drawing of the position I in Fig. 1;
Fig. 5 is the enlarged drawing of the position II in Fig. 1;
Fig. 6 is the structural schematic diagram of the transmission device in Fig. 1;
Fig. 7 is the structural exploded view of the transmission device in Fig. 1;
Fig. 8 is the structural schematic diagram of the angle sensor device assembly in Fig. 1;
Fig. 9 is the structural exploded view of the angle sensor device assembly in Fig. 1.
Specific implementation mode
In order to keep technical scheme of the present invention, function and effect clearer, with reference to the accompanying drawings and examples to this hair Bright further explanation.Following embodiment is merely illustrative, and does not constitute limitation of the invention.In addition, the technology of the present invention Feature can be combined with each other in the case where not conflicting with each other each other.
Fig. 1 is the structural schematic diagram of the servo mechanism of one embodiment of the invention.
As shown in Figure 1, according to the servo mechanism constructed by the preferred embodiment of the present invention comprising locking device 100 and biography Dynamic device 200, wherein the transmission device 200, for driving rudderpost 300 to rotate respective angles, the locking device 100 is used for The rudderpost 300 is being locked after rudderpost 300 is rotated in place and unlocks the rudderpost 300 so that transmission dress when rotating next time simultaneously Setting 200 can continue to drive the rotation of rudderpost 300 to next angle.
As shown in Figures 2 and 3, the locking device 100 of the present embodiment includes locking motor 110, self-locking screw rod 120, nut 130, sliding block 140, shift fork 150 and end tooth 160.Wherein, shift fork is bar structure, and one end is provided with rotating shaft 161, such as Shown in Fig. 2 and 3, preferred shift fork is the Y type bodies of rod in the present embodiment, and rotating shaft 161 is arranged in open at one end.In addition, open end 161 end of rotating shaft is additionally provided with the holder of protrusion, and end tooth 160 is arranged on the holder, and one end end face of end tooth 160 is provided with Tooth is used to engage with the end of a belt wheel of transmission device 200.
The other end in shift fork 150 is arranged in self-locking screw rod 120, and specifically, as shown in Figures 2 and 3, self-locking screw rod 120 passes through The driver framework of shift fork end exports axis connection with locking motor 110, being rotated by locking motor.Self-locking screw rod The nut that can be movable relatively with self-locking screw rod 120 is set on 120, the rotation of self-locking screw rod 120 may make the nut in self-locking Screw rod upper edge axial linear movement.Sliding block 140 is provided on nut, can be with nut synchronizing moving, the sliding block 140 and driving frame Opening clamping on frame so that the linear motion of nut and sliding block can push shift fork end to move, and then can shift fork pitch of the laps Rotating shaft rotates.
In one embodiment, driver framework is the square frame with multiple openings as shown in Figure 3, on nut relatively Sliding block 140 is respectively and fixedly provided on two sides, to may make each sliding block 140 that can be connected in the driver framework.
In one embodiment, locking motor is fixed by end cap, and 120 both ends of self-locking screw rod pass through angular contact bearing branch Support, and connecting pin is connect across the end cap with locking motor.
In one embodiment, shift fork 150 closes the opening in another end opening of Y types by rotating shaft, and protrusion The end tooth 160 being arranged on holder is supported by the angular contact bearing being fixed on the holder.End tooth is around axial rotation in order to prevent Turn, anti-rotation end cap is provided on the holder, end tooth can be prevented around axial rotation.
As shown in Fig. 1,5,6 and 7, transmission device 200 includes decelerating motor 210, harmonic speed reducer 220, belt wheel 230, branch Support the deep groove ball bearing that belt wheel 230 rotates, transmission belt 240 and the belt wheel 250 being arranged on rudderpost.Belt wheel 230 passes through harmonic wave Retarder 220 drives axis connection with decelerating motor 210, being rotated by decelerating motor 210.Belt wheel 230 passes through transmission Band 240 is connect with belt wheel 250, and the rotation of belt wheel 230 can be rotated by transmission belt 240 with movable belt pulley 250, and then driving and belt wheel 250 coaxial rudderposts 300 rotate, and realize the deflection to rudderpost angle.
As shown in figure 3,250 end of belt wheel also sets up with teeth, it is used to coordinate with the end tooth 160 on locking device, and it can Separably engagement cooperation is realized, to realize the locking and unlocking to belt wheel 250.
If Fig. 8, Fig. 9 further include in one embodiment angle sensor device assembly 400 comprising angular transducer 410, Angular contact bearing and feedback gear 420 are correspondingly additionally provided with corresponding second feedback gear 260 on transmission device 200.Its In the first feedback gear 420 and 410 coaxial fixed-link of angular transducer, and first feedback gear 420 and transmission device 200 On the second feedback gear 260 engagement, by the angular transducer 410 can detect transmission device rotation angle, and then realize Measurement and control to rudderpost rotation angle.
When executing unlocking motion, locking motor 110 rotates forward and self-locking screw rod 120 is driven to rotate, the rotation of self-locking screw rod 120 Conversion of motion is the linear motion of nut, and nut pushes shift fork 150 to be rotated around its centre of gyration.Promote-side when shift fork 150 rotates Tooth 160 moves, and when to ensure screw rod rotation, end tooth 160 is for linear motion, and the anti-rotation measure on end tooth 160 limits moved end tooth 160 Circumferential movement, end tooth 160 move along a straight line simultaneously separated with belt wheel 250, when end tooth 160 unlock in place (such as by triggering approach Switch) unlock is in place.
After unlock finishes, servo mechanism unlocks signal in place to controller feedback, at this time 100 driving motor of locking device Power-off.Driving motor on transmission device is powered rotation with movable belt pulley 230 and the rotation of the second feedback gear 260, transmission belt 240 (such as steel band) transmits the rotary motion of belt wheel 230 in long and narrow space, and the driving rudderpost under the drive of transmission belt 240 of belt wheel 250 is inclined Turning, the angular transducer 410 being assemblied at this time on the first feedback gear 420 will perceive angular deflection amount, after deflecting in place, Transmission device gives controller feedback specific position signal in place, and servo mechanism starts to execute locking action, on locking device 100 Locking motor 110 be again started up, when 160 fluted disc of end tooth locking in place and trigger close to switch, will locking in place signal feed back To controller, 200 decelerating motor 210 of transmission device power-off, 100 driving motor of locking device works on, make locking device after Continuous locking, locking motor works, and certain time (system is preset), motor powered off afterwards, and rudder piece gas is executed by other systems Dynamic test is completed rear controller and provides unlocking, indexing, locking signal for next position, and servo mechanism completes one The work in period.
One skilled in the art will appreciate that the foregoing is merely presently preferred embodiments of the present invention, it is not intended to limit the invention, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on belong to the protection model of the present invention It encloses.

Claims (6)

1. a kind of device for the angular deflection of rudder piece and locking, can be used for aircraft rudder piece angular deflection in wind tunnel test and Locking control, which is characterized in that the device includes:
Locking device (100) and transmission device (200), wherein the transmission device (200) is for driving rudderpost (300) to rotate phase Angle is answered, the locking device (100) after rudderpost (300) is rotated in place for locking the rudderpost (300) and simultaneously in next time The rudderpost (300) is unlocked when rotation so that the transmission device (200) can continue that rudderpost (300) is driven to rotate to next angle Degree, wherein
The locking device (100) includes locking motor (110), self-locking screw rod (120), nut (130), sliding block (140), shift fork (150) and end tooth (160), the shift fork (150) are bar structure, and one end is provided with rotating shaft (161), the rotating shaft (161) end is additionally provided with the holder of protrusion, and the end tooth (160) is arranged on the holder, one end end face of the end tooth (160) It is arranged with teeth, is used for the end with rudderpost (300) co-axially fixed driven pulley (250) with one of transmission device (200) Engagement;
The self-locking screw rod (120) setting in the other end of shift fork (150), pass through the driver framework of shift fork (150) end with Locking motor (110) exports axis connection, being rotated by locking motor, be set on the self-locking screw rod (120) The rotation of the nut that can be movable relatively with self-locking screw rod (120), self-locking screw rod (120) may make the nut in self-locking screw rod upper edge Axial linear movement is provided with sliding block (140) on the nut, can be with the nut synchronizing moving, the sliding block (140) and driving Opening clamping on frame so that the linear motion of nut and sliding block (140) can push shift fork (150) end to move, Jin Erke Shift fork (150) pitch of the laps rotating shaft rotates, to drive the end tooth (160) and the driven pulley on transmission device (200) (250) it engages or is disengaged from, realize the locking or unlock to rudderpost,
The transmission device (200) includes decelerating motor (210), harmonic speed reducer (220), driving pulley (230), transmission belt (240) and the driven pulley (250) that is arranged on rudderpost, wherein the driving pulley (230) passes through harmonic speed reducer (220) Drive axis connection with decelerating motor (210), being rotated by decelerating motor (210), which passes through biography Dynamic band (240) connect with driven pulley (250), and the driven pulley (250) is fixedly and coaxially connected with rudderpost (300), main belt Taking turns the rotation of (230) can drive driven pulley (250) to rotate by transmission belt (240), and then drive solid with driven pulley (250) Rudderpost (300) rotation even, realizes the deflection to rudderpost.
2. a kind of device for the angular deflection of rudder piece and locking according to claim 1, wherein the driven pulley (250) end is also set up with teeth, is used to coordinate with the end tooth (160) on locking device, and can realize that separably engagement is matched It closes, to realize the locking and unlocking to driven pulley (250).
3. a kind of device for the angular deflection of rudder piece and locking according to claim 2, wherein the driver framework is Square frame with multiple openings is respectively and fixedly provided with sliding block (140) on nut, to may make each sliding block on opposite sides face (140) it can be connected in the driver framework.
4. a kind of device for the angular deflection of rudder piece and locking according to claim 3, wherein the locking motor (110) fixed by end cap (170), self-locking screw rod (120) both ends are supported by angular contact bearing, and connecting pin passes through institute It states end cap (170) and is connect with locking motor (110).
5. a kind of device for the angular deflection of rudder piece and locking according to claim 4, wherein the shift fork (150) It is closed by rotating shaft in the end of Y types, one end of opening, and the end tooth (160) being arranged on the holder of protrusion passes through fixation Angular contact bearing on the holder supports, and is provided with anti-rotation end cap (180) on the holder, end tooth (160) can be prevented around axis To rotation.
6. a kind of device for the angular deflection of rudder piece and locking according to claim 5, wherein it further includes that angle passes Sensor component (400), the angle sensor device assembly (400) include angular transducer (410) and the first feedback gear (420), Corresponding second feedback gear (260) is additionally provided on the transmission device (200), the feedback gear (420) passes with angle Sensor (410) is fixedly and coaxially connected, and first feedback gear (420) and the second feedback tooth on transmission device (200) (260) engagement is taken turns, the rotation of the transmission device passes to first feedback gear by second feedback gear (260) (420), it to detect the angle of transmission device rotation by the angular transducer (410), and then realizes and rudderpost is rotated The measurement and control of angle.
CN201510855234.9A 2015-11-27 2015-11-27 A kind of device for the angular deflection of rudder piece and locking Active CN105527067B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510855234.9A CN105527067B (en) 2015-11-27 2015-11-27 A kind of device for the angular deflection of rudder piece and locking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510855234.9A CN105527067B (en) 2015-11-27 2015-11-27 A kind of device for the angular deflection of rudder piece and locking

Publications (2)

Publication Number Publication Date
CN105527067A CN105527067A (en) 2016-04-27
CN105527067B true CN105527067B (en) 2018-07-24

Family

ID=55769434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510855234.9A Active CN105527067B (en) 2015-11-27 2015-11-27 A kind of device for the angular deflection of rudder piece and locking

Country Status (1)

Country Link
CN (1) CN105527067B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106737643A (en) * 2017-03-02 2017-05-31 常州市昊升电机有限公司 A kind of multi-angle rotary steering wheel mechanism with auto-lock function
CN107340115B (en) * 2017-06-28 2019-09-20 重庆零壹空间航天科技有限公司 A kind of device for grid rudder model test
CN109649637A (en) * 2018-12-05 2019-04-19 兰州飞行控制有限责任公司 A kind of self-locking steering engine
CN112664642B (en) * 2021-01-08 2023-04-25 上海航天控制技术研究所 Steering engine with multiaxial high overload resistance

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020364A (en) * 1990-05-30 1991-06-04 Grumman Aerospace Corporation Wind tunnel model positioning device
CN201126400Y (en) * 2007-12-17 2008-10-01 中国航天空气动力技术研究院 Novel aviation aerospace vehicle tunnel test model aerial rudder derivation angle fixture mechanism
CN201275629Y (en) * 2008-10-10 2009-07-22 福建省金浦机械工业有限公司 Electric gas/liquid pressure composite automatic tool rest
CN102205290A (en) * 2011-05-30 2011-10-05 交通运输部天津水运工程科学研究所 Intelligent spray gun for accurately controlling spraying range
CN102619969A (en) * 2012-04-16 2012-08-01 吉林大学 Electronic-control electric six-gear automatic gear-shifting system
CN102788607A (en) * 2012-07-19 2012-11-21 中国航空工业集团公司北京航空精密机械研究所 High-precision end-toothed disc positioning rotary table
CN104111021A (en) * 2014-07-08 2014-10-22 湖北三江航天红峰控制有限公司 Air steering engine rudder piece angle and electrical angle overlapping zeroing execution mechanism

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110064830A (en) * 2009-12-09 2011-06-15 삼성중공업 주식회사 Thrust fin apparatus rotatable based on thrust mesurement

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5020364A (en) * 1990-05-30 1991-06-04 Grumman Aerospace Corporation Wind tunnel model positioning device
CN201126400Y (en) * 2007-12-17 2008-10-01 中国航天空气动力技术研究院 Novel aviation aerospace vehicle tunnel test model aerial rudder derivation angle fixture mechanism
CN201275629Y (en) * 2008-10-10 2009-07-22 福建省金浦机械工业有限公司 Electric gas/liquid pressure composite automatic tool rest
CN102205290A (en) * 2011-05-30 2011-10-05 交通运输部天津水运工程科学研究所 Intelligent spray gun for accurately controlling spraying range
CN102619969A (en) * 2012-04-16 2012-08-01 吉林大学 Electronic-control electric six-gear automatic gear-shifting system
CN102788607A (en) * 2012-07-19 2012-11-21 中国航空工业集团公司北京航空精密机械研究所 High-precision end-toothed disc positioning rotary table
CN104111021A (en) * 2014-07-08 2014-10-22 湖北三江航天红峰控制有限公司 Air steering engine rudder piece angle and electrical angle overlapping zeroing execution mechanism

Also Published As

Publication number Publication date
CN105527067A (en) 2016-04-27

Similar Documents

Publication Publication Date Title
CN105527067B (en) A kind of device for the angular deflection of rudder piece and locking
CN105652684B (en) A kind of novel large four-degree-of-freedom attitude-simulating simulation architecture
CN104568428A (en) Measuring instrument for comprehensive performances of RV (rot-vector) reducer
CN106989932B (en) Three-way pneumatic probe displacement device for measuring multi-section pneumatic parameters of interstage flow field of turbofan engine
EP2597304B1 (en) Wind turbine with a mechanism for synchronously varying the pitch of a multi-blade rotor
CN202710670U (en) Single-shaft heavy antenna testing rotary table
CN204422200U (en) A kind of precise planetary reducer proving installation
CN203350014U (en) Resonance excitation device
CN109849046A (en) Zero returning method and zero returning system of steering engine rotor, steering engine and robot
CN102243121A (en) Rotation testing machine of electronic device
CN107907966A (en) Speculum switching mechanism
CN203432798U (en) Life testing machine for universal joint assembly
CN102435191B (en) Disassembly-free single-shaft self-calibration strapdown inertial measurement unit device
CN109870263A (en) A kind of torque test device and test method
CN107167329B (en) Aerodynamic loading test device for control surface of asymmetric aircraft
CN105880658A (en) Large-stroke tension device for clamping central hole of hub
CN109100123B (en) Automatic testing device for durability of rotary quick-release lock
CN203011596U (en) Torque testing device used for actuating mechanism
CN207147681U (en) A kind of one-way clutch torque automatic detection device
CN102205505A (en) Angle adjusting mechanism
CN103105252A (en) Torque testing device for actuator
CN210804149U (en) High-precision two-degree-of-freedom remote lever device
CN204027590U (en) A kind of erecting device for floating type sensor
CN103091100A (en) Bevel gear coloring tool
CN202484239U (en) Composite rotation and translation mechanism

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant