CN105527067A - Rubber sheet angle deflecting and locking device - Google Patents
Rubber sheet angle deflecting and locking device Download PDFInfo
- Publication number
- CN105527067A CN105527067A CN201510855234.9A CN201510855234A CN105527067A CN 105527067 A CN105527067 A CN 105527067A CN 201510855234 A CN201510855234 A CN 201510855234A CN 105527067 A CN105527067 A CN 105527067A
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- locking
- rudderpost
- driving
- gearing
- nut
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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
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a rubber sheet angle defecting and locking device which comprises a locking device and a transmission device. The transmission device drives a rubber shaft to rotate for a corresponding angle; and the locking device is used to lock the rubber shaft when the rubber shaft rotates to certain position, and unlock the rubber shaft in the next time so that the transmission device can continue to drive the rubber shaft to rotate to a next angle. The rubber sheet angle defecting and locking device controls deflection of the rubber sheet via an optimized structure, realizes angle controllable deflection of the rubber sheet of an airplane by replacing function of an angle sheet, ensures the positioning precision after the rubber sheet rotates to certain place, is capable of testing pneumatic data of the rubber sheet at different positions under the condition that a wind tunnel is not shut down, and is characterized by small size, large output torque and high transmission positioning precision.
Description
Technical field
The invention belongs to aircraft rudder sheet deflection control field, be specifically related to a kind of device for the angular deflection of rudder sheet and locking, be applicable to the control of aircraft rudder sheet deflection angle in wind tunnel test.
Background technology
When doing wind tunnel test, usually need to test under various different deflection angle the aircraft of test or the rudder sheet of model, to test the upper aerodynamic force of aircraft under respective angles.
At present, for above-mentioned test, in order to obtain the rudder sheet operating mode under different angles, the mode of installing different size angle sheet is normally adopted to carry out, to simulate the different deflection angles of rudder sheet.During test, by sunk screw, the angle sheet under certain angle is connected with rudder sheet and fuselage, indirect analog obtains the rudder sheet under this angle, when needing the test carrying out next angle, then reinstall the angle sheet under another angle, namely by installing the angle sheet under different angles, the test to the deflection of rudder sheet is realized.
But, aforesaid way requires that wind-tunnel repeatedly shuts down to facilitate tester to install different angle sheets on the one hand, test of many times just needs multiple switching machine, so not only consuming time huge, and it is also extremely serious to the waste of resource, even can make weakening of service life of a machine because of the operation of switching on and shutting down frequently, and test can be caused to carry out continuous offset transfer to test; On the other hand, machining precision and the angle sheet of angle sheet use the wearing and tearing caused throughout the year, all can affect the deflection precision being changed rudder sheet by angle sheet, and by the deflection of angle sheet simulation rudder sheet, its measuring accuracy is not high.
Summary of the invention
For the above-mentioned defect existed at present; the invention provides a kind of device for the angular deflection of rudder sheet and locking; it adopts the structure control rudder sheet of optimization to deflect; thus angle sheet function can be replaced to realize the angular deflection that aircraft rudder sheet has control; and rudder sheet can be made to deflect the positioning precision after putting in place, test the aerodynamic data of rudder sheet in each position under can be implemented in wind-tunnel not shutdown situation, there is volume little; Driving Torque is large, the feature that transmission positioning precision is high.
For achieving the above object, according to the present invention, provide a kind of device for the angular deflection of rudder sheet and locking, can be used for aircraft rudder sheet angular deflection in wind tunnel test and locking controls, it is characterized in that, this device comprises:
Locking device and gearing, wherein said gearing rotates respective angles for driving rudderpost, described locking device makes described gearing can continue to drive rudderpost to rotate to next angle for locking this rudderpost and unlock this rudderpost when next time rotates after rudderpost is rotated in place simultaneously, wherein
Described locking device comprises locking micromachine, self-locking screw rod, nut, slide block, shift fork and end tooth, described shift fork is bar structure, its one end is provided with revolving shaft, this revolving shaft end is also provided with protruding support, described end tooth is arranged on this support, one end end face of this end tooth is provided with tooth, and it is for engaging with an end in the co-axially fixed belt wheel of rudderpost of gearing;
Described self-locking screw rod is arranged on the other end of shift fork, its driver framework through shift fork end is connected with locking motor output shaft, it can rotate under the driving of locking motor, described self-locking screw rod is set with the nut that can be movable relatively with self-locking screw rod, the rotation of self-locking screw rod can make this nut rectilinear motion vertically on self-locking screw rod, this nut is provided with slide block, its can with described nut synchronizing moving, opening clamping on this slide block and driver framework, make the rectilinear motion of nut and slide block can promote the motion of shift fork end, and then can rotate by shift fork pitch of the laps turning axle, thus drive described end tooth to engage with the belt wheel on gearing or depart to engage, realize the locking to rudderpost or unblock.
As improvement of the present invention, described gearing comprises reducing motor, harmonic speed reducer, belt wheel, driving-belt and the belt wheel be arranged on rudderpost, wherein said belt wheel is connected with reducing motor driving shaft by harmonic speed reducer, and can rotate under the driving of reducing motor, this belt wheel is connected with belt wheel by driving-belt, described belt wheel is coaxially fixedly connected with rudderpost, the rotation of belt wheel is rotated by driving-belt band movable belt pulley, and then drives and rudderpost that belt wheel is connected rotates, and realizes the deflection to rudderpost angle.
As improvement of the present invention, described band wheel end is also provided with tooth, and it for coordinating with the end tooth on locking device, and can realize engagement fit separably, thus the locking realized belt wheel and unblock.
As improvement of the present invention, described driver framework is the quadra with multiple opening, and relative two sides are all fixed with slide block to nut, thus each slide block can be made all can be connected in this driver framework.
As improvement of the present invention, described locking motor is fixed by end cap, and described self-locking screw rod two ends are supported by angular contact bearing, and link is connected with locking motor through described end cap.
As improvement of the present invention, shift fork is that the other end opening of Y type closes this opening by turning axle, and the end tooth that the support of projection is arranged is supported by the angular contact bearing be fixed on this support, this support is provided with anti-rotation end cap, it can stop end tooth around the rotation of axis.
As improvement of the present invention, described angular transducer assembly comprises angular transducer, angular contact bearing and feedback gear, described gearing is also provided with corresponding gear, described feedback gear is coaxially fixedly connected with angular transducer, and this feedback gear engages with the feedback gear on gearing, can be detected the angle of gear train rotation by this angular transducer, and then realization is to the measurement of the rudderpost anglec of rotation and control.
In general, the above technical scheme formed by above-mentioned design compared to prior art, technique effect specific as follows:
(1) the present invention realizes locking device by the self-locking feature of bolt and nut and reliably locks, and there will not be the unexpected unblock situation of electricity loss brake in vibration processes;
(2) the design of lockup equipment is at steering wheel primary input terminal, due to the amplification of reducing gear, only just can produce very large locking torque on rudder sheet by very little coupling mechanism force, therefore locking device can do very little;
(3) in turn device, due to the amplification of reducing gear, very high output torque can be provided for the rotation of rudder sheet, thus turn device can do very little.
(4) flat mini servo control mechanism of the present invention, efficiently solves the difficult problem that in wind tunnel test, model aircraft rudder sheet deflects continuously, and the latching characteristics of nut-screw pair, solves rudder sheet and fix insecure problem in wind tunnel test process simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device according to one embodiment of the invention;
Fig. 2 is the structural representation of the latch mechanism in Fig. 1;
Fig. 3 is the STRUCTURE DECOMPOSITION figure of the latch mechanism 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 representation of the gear train in Fig. 1;
Fig. 7 is the STRUCTURE DECOMPOSITION figure of the gear train in Fig. 1;
Fig. 8 is the structural representation of the angular transducer assembly in Fig. 1;
Fig. 9 is the STRUCTURE DECOMPOSITION figure of the angular transducer assembly in Fig. 1.
Embodiment
In order to make technical scheme of the present invention, function and effect clearly, below in conjunction with drawings and Examples, the present invention is further described.Following examples are only illustrative, do not form limitation of the invention.In addition, technical characteristic of the present invention can be combined with each other in not conflicting situation each other.
Fig. 1 is the structural representation of the servo control mechanism of one embodiment of the invention.
As shown in Figure 1, according to the servo control mechanism constructed by the preferred embodiment of the present invention, it comprises locking device 100 and gearing 200, wherein said gearing 200 rotates respective angles for driving rudderpost 300, and described locking device 100 makes described gearing 200 can continue to drive rudderpost 300 to rotate to next angle for locking this rudderpost 300 and unlock this rudderpost 300 when next time rotates after rudderpost 300 is rotated in place simultaneously.
As shown in Figures 2 and 3, the locking device 100 of the present embodiment comprises locking micromachine 110, self-locking screw rod 120, nut 130, slide block 140, shift fork 150 and end tooth 160.Wherein, shift fork is bar structure, and its one end is provided with revolving shaft 161, and as shown in Figures 2 and 3, in the present embodiment, preferred shift fork is the Y type body of rod, and revolving shaft 161 is arranged on open at one end.In addition, revolving shaft 161 end of openend is also provided with protruding support, and end tooth 160 is arranged on this support, and one end end face of end tooth 160 is provided with tooth, and its end for a belt wheel with gearing 200 is engaged.
Self-locking screw rod 120 is arranged on the other end of shift fork 150, and particularly, as shown in Figures 2 and 3, self-locking screw rod 120 is connected with locking motor 110 output shaft through the driver framework of shift fork end, and it can rotate under the driving of locking motor.Self-locking screw rod 120 is set with the nut that can be movable relatively with self-locking screw rod 120, the rotation of self-locking screw rod 120 can make this nut rectilinear motion vertically on self-locking screw rod.Nut is provided with slide block 140, its can with nut synchronizing moving, this slide block 140 and the opening clamping on driver framework, make the rectilinear motion of nut and slide block can promote the motion of shift fork end, and then can rotate by shift fork pitch of the laps turning axle.
In one embodiment, driver framework is the quadra with multiple opening as shown in Figure 3, and relative two sides are all fixed with slide block 140 to nut, thus each slide block 140 can be made all can be connected in this driver framework.
In one embodiment, locking motor is fixed by end cap, and self-locking screw rod 120 two ends are supported by angular contact bearing, and link is connected with locking motor through described end cap.
In one embodiment, the other end opening of shift fork 150 in Y type closes this opening by turning axle, and the end tooth 160 that the support of projection is arranged is supported by the angular contact bearing be fixed on this support.In order to prevent end tooth around the rotation of axis, this support is provided with anti-rotation end cap, it can stop end tooth around the rotation of axis.
As Fig. 1,5, shown in 6 and 7, gearing 200 comprises reducing motor 210, harmonic speed reducer 220, belt wheel 230, supports deep groove ball bearing, driving-belt 240 and the belt wheel 250 be arranged on rudderpost that belt wheel 230 rotates.Belt wheel 230 is connected with reducing motor 210 driving shaft by harmonic speed reducer 220, can rotate under the driving of reducing motor 210.Belt wheel 230 is connected with belt wheel 250 by driving-belt 240, and the rotation of belt wheel 230 is with movable belt pulley 250 to rotate by driving-belt 240, and then drives the rudderpost 300 coaxial with belt wheel 250 to rotate, and realizes the deflection to rudderpost angle.
As shown in Figure 3, belt wheel 250 end is also provided with tooth, and it for coordinating with the end tooth 160 on locking device, and can realize engagement fit separably, thus the locking realized belt wheel 250 and unblock.
As Fig. 8, Fig. 9, in one embodiment, also comprise angular transducer assembly 400, it comprises angular transducer 410, angular contact bearing and feedback gear 420, correspondingly gearing 200 is also provided with corresponding gear 260.Wherein feedback gear 420 fixed-link coaxial with angular transducer 410, and this feedback gear 420 engages with the feedback gear 260 on gearing 200, can be detected the angle of gear train rotation by this angular transducer 410, and then realization is to the measurement of the rudderpost anglec of rotation and control.
When performing unlocking motion, locking motor 110 rotates forward and drives screw rod 120 to rotate, and the convert rotational motion of screw rod 120 is the rectilinear motion of nut, and nut promotes shift fork 150 and rotates around its centre of gyration.Promote end tooth 160 when shift fork 150 rotates to move, during for ensureing that screw rod rotates, end tooth 160 moving linearly, the circumferential movement of the anti-rotation measure restriction moved end tooth 160 on end tooth 160, end tooth 160 rectilinear motion also separates with belt wheel 250, and put in place when end tooth 160 unlocks (such as by triggering proximity switch) unlocks and put in place.
Unlock complete after, servo control mechanism to put in place signal, the now power-off of latch mechanism 100 drive motor to the unblock of controller feedback.Drive motor energising rotating band movable belt pulley 230 on indexing mechanism and feedback gear 260 rotate, driving-belt 240 (such as steel band) transmits the gyration of belt wheel 230 in long and narrow space, belt wheel 250 drives rudderpost to deflect under driving-belt 240 drives, now be assemblied in angular transducer 410 on feedback gear 420 by perception angular deflection amount, after deflection puts in place, indexing mechanism feeds back the concrete position signalling that puts in place to controller, servo control mechanism starts to perform locking action, drive motor 110 on latch mechanism 100 starts again, when the locking of end tooth 160 fluted disc puts in place and triggers proximity switch, the signal feedback that locking put in place is to controller, indexing mechanism drive motor 110 power-off, latch mechanism 100 drive motor works on, latch mechanism is made to continue locking, the power-off of locking motor work certain hour (system presets) rear motor, the test of rudder sheet aerodynamic force is performed by other system, be completed the unblock that rear controller provides next position, transposition, locking signal, servo control mechanism completes the work of one-period.
One skilled in the art will appreciate that and the foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc. all belong to protection scope of the present invention.
Claims (7)
1. for a device for the angular deflection of rudder sheet and locking, can be used for aircraft rudder sheet angular deflection in wind tunnel test and locking controls, it is characterized in that, this device comprises:
Locking device (100) and gearing (200), wherein said gearing (200) rotates respective angles for driving rudderpost (300), described locking device (100) makes described gearing (200) can continue to drive rudderpost (300) to rotate to next angle for being rotated in place this rudderpost of rear locking (300) at rudderpost (300) and unlocking this rudderpost (300) when next time rotates simultaneously, wherein
Described locking device (100) comprises locking micromachine (110), self-locking screw rod (120), nut (130), slide block (140), shift fork (150) and end tooth (160), described shift fork (150) is bar structure, its one end is provided with revolving shaft (161), this revolving shaft (161) end is also provided with protruding support, described end tooth (160) is arranged on this support, one end end face of this end tooth (160) is provided with tooth, it is for engaging with the end of rudderpost (300) co-axially fixed driven pulley (250) with one of gearing (200),
Described self-locking screw rod (120) is arranged on the other end of shift fork (150), its driver framework through shift fork (150) end is connected with locking motor (110) output shaft, it can rotate under the driving of locking motor, described self-locking screw rod (120) is set with the nut that can be movable relatively with self-locking screw rod (120), the rotation of self-locking screw rod (120) can make this nut rectilinear motion vertically on self-locking screw rod, this nut is provided with slide block (140), its can with described nut synchronizing moving, this slide block (140) and the opening clamping on driver framework, make the rectilinear motion of nut and slide block (140) that the motion of shift fork (150) end can be promoted, and then can rotate by shift fork (150) pitch of the laps turning axle, thus drive described end tooth (160) to engage with the driven pulley (250) on gearing (200) or depart to engage, realize the locking to rudderpost or unblock.
2. a kind of device for the angular deflection of rudder sheet and locking according to claim 1, wherein, described gearing (200) comprises reducing motor (210), harmonic speed reducer (220), driving pulley (230), driving-belt (240) and the driven pulley (250) be arranged on rudderpost, wherein said driving pulley (230) is connected with reducing motor (210) driving shaft by harmonic speed reducer (220), can rotate under the driving of reducing motor (210), this driving pulley (230) is connected with driven pulley (250) by driving-belt (240), described driven pulley (250) is coaxially fixedly connected with rudderpost (300), the rotation of driving pulley (230) drives driven pulley (250) to rotate by driving-belt (240), and then to drive and the rudderpost (300) that is connected of driven pulley (250) rotates, realize the deflection to rudderpost.
3. a kind of device for the angular deflection of rudder sheet and locking according to claim 1 and 2, wherein, described driven pulley (250) end is also provided with tooth, it is for coordinating with the end tooth (160) on locking device, and engagement fit separably can be realized, thus the locking realized driven pulley 250 and unblock.
4. a kind of device for the angular deflection of rudder sheet and locking according to any one of claim 1-3, wherein, described driver framework is the quadra with multiple opening, relative two sides are all fixed with slide block (140) to nut, thus each slide block (140) can be made all can be connected in this driver framework.
5. a kind of device for the angular deflection of rudder sheet and locking according to any one of claim 1-4, wherein, described locking motor (110) is fixed by end cap (170), described self-locking screw rod (120) two ends are supported by angular contact bearing, and link is connected with locking motor (110) through described end cap (170).
6. a kind of device for the angular deflection of rudder sheet and locking according to any one of claim 1-5, wherein, described shift fork (150) is in Y type, the end of one end of its opening is closed by turning axle, and the end tooth (160) that the support of projection is arranged is supported by the angular contact bearing be fixed on this support, this support is provided with anti-rotation end cap (180), it can stop end tooth (160) around the rotation of axis.
7. a kind of device for the angular deflection of rudder sheet and locking according to any one of claim 1-6, wherein, described angular transducer assembly (400) comprises angular transducer (410) and the first feedback gear (420), described gearing (200) is also provided with corresponding the second feedback gear (260), described feedback gear (420) is coaxially fixedly connected with angular transducer (410), and this first feedback gear (420) engages with described second feedback gear (260) on gearing (200), this second feedback gear (260) that rotates through of described gear train passes to described first feedback gear (420), thus detect by this angular transducer (410) angle that this gear train rotates, and then realization is to the measurement of the rudderpost anglec of rotation and control.
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 |
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| Publication Number | Publication Date |
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| CN105527067A true CN105527067A (en) | 2016-04-27 |
| CN105527067B CN105527067B (en) | 2018-07-24 |
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| CN201510855234.9A Active CN105527067B (en) | 2015-11-27 | 2015-11-27 | A kind of device for the angular deflection of rudder piece and locking |
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Cited By (4)
| 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 |
| CN107340115A (en) * | 2017-06-28 | 2017-11-10 | 北京零壹空间科技有限公司 | 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 |
| CN112664642A (en) * | 2021-01-08 | 2021-04-16 | 上海航天控制技术研究所 | Steering engine with multi-axial high overload resistance |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN107340115A (en) * | 2017-06-28 | 2017-11-10 | 北京零壹空间科技有限公司 | A kind of device for grid rudder model test |
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| 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 |
| CN112664642A (en) * | 2021-01-08 | 2021-04-16 | 上海航天控制技术研究所 | Steering engine with multi-axial high overload resistance |
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|---|---|
| CN105527067B (en) | 2018-07-24 |
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