CN205843922U - A kind of Yawing mechanism - Google Patents
A kind of Yawing mechanism Download PDFInfo
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- CN205843922U CN205843922U CN201620555095.8U CN201620555095U CN205843922U CN 205843922 U CN205843922 U CN 205843922U CN 201620555095 U CN201620555095 U CN 201620555095U CN 205843922 U CN205843922 U CN 205843922U
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- yawing mechanism
- circular hole
- guide rail
- slide block
- slide
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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)
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Abstract
This utility model provides a kind of Yawing mechanism, and described Yawing mechanism includes: pedestal, and the two ends of described base-plates surface are provided with guide rail；Guide rail, described guide rail is provided with slide block；Take-up housing, described take-up housing is arranged on described slide block；Slide, described slide is connected with described slide block, described take-up housing respectively by bolt；Decelerator, described decelerator is connected with one end of described slide；Servomotor, described servomotor is connected with described decelerator；Without the little gear of sideshake, described it is connected with the output shaft of described decelerator without the little gear of sideshake；Sector gear, described sector gear is arranged on one end of described pedestal, and engages without the little gear of sideshake with described；Wherein, the motion positions precision of described Yawing mechanism is ± 2 '；So, in Yawing mechanism runs, described can eliminate gear transmission clearance without the little gear of sideshake, raising motion positions precision；And it is described Yawing mechanism compact conformation, lightweight.
Description
Technical field
This utility model belongs to the technical field of wind tunnel experiment device, particularly relates to a kind of Yawing mechanism.
Background technology
Along with the development of Aero-Space cause, the continuous renewal of wind tunnel test equipment, test requirements document and content are not
Breaking and widen, the requirement to wind tunnel test equipment precision is more and more higher.
At present, in existing wind tunnel test equipment, the Yawing mechanism carrying test model or other rigs for testing is most
Using the structural shape of turntable bearing, its physical dimension is big, heavier-weight, needs more installing space, and travelling gear
Sideshake affects the overall precision of mechanism.The mounting interface of turntable bearing Internal and external cycle, also limit the size of other connection members
It is difficulty with densification.
Based on this, this utility model provides a kind of Yawing mechanism, for the use environment that wind tunnel test equipment is special, to existing
There is the Yawing mechanism in technology to carry out device structure to simplify and optimize, while improving equipment running precision, reduce and set
Space needed for standby installation, alleviates weight of equipment.
Utility model content
The problem existed for prior art, this utility model embodiment provides a kind of Yawing mechanism, is used for solving now
Have that the Yawing mechanism size in technology is big, Heavy Weight and the low technical problem of precision.
This utility model provides a kind of Yawing mechanism, and described Yawing mechanism includes:
Pedestal, the two ends of described base-plates surface are provided with guide rail；
Guide rail, described guide rail is provided with slide block；
Take-up housing, described take-up housing is arranged on described slide block；
Slide, described slide is connected with described slide block, described take-up housing respectively by bolt；
Decelerator, described decelerator is connected with one end of described slide；
Servomotor, described servomotor is connected with described decelerator；
Without the little gear of sideshake, described it is connected with the output shaft of described decelerator without the little gear of sideshake；
Sector gear, described sector gear is arranged on one end of described pedestal, and engages without the little gear of sideshake with described；Its
In, the motion positions precision of described Yawing mechanism is ± 2 '.
In such scheme, described guide rail includes:
First guide rail, described first guide rails assembling is in one end of described base-plates surface；
Second guide rail, described second guide rails assembling is at the other end of described base-plates surface.
In such scheme, described slide block includes:
First slide block, described first slide block is arranged on described first guide rail；
Second slide block, described second slide block is arranged on described second guide rail.
In such scheme, described Yawing mechanism also includes: the first limit base and the second limit base；Wherein,
Described first limit base is arranged on the side of described base-plates surface one end, and described second limit base is arranged on described base
The opposite side of seating face one end.
In such scheme, described Yawing mechanism also includes: speed reducer base；Described speed reducer base is arranged on the one of described slide
End, described decelerator is arranged on described speed reducer base.
In such scheme, described Yawing mechanism also includes:
Connecting seat, described connection seat is connected with the other end of described slide.
Locking pressure plate, described locking pressure plate is connected with the other end of described pedestal；
Locking bed, described locking bed is connected with the described side being connected seat；Wherein,
One end of described locking bed is provided with the first circular hole, and the other end of described locking bed is provided with the second circular hole.
In such scheme, described Yawing mechanism also includes:
First connecting lever, described first connecting lever is hinged with described first circular hole by the first rotating shaft；
Second connecting lever, described second connecting lever is hinged with described second circular hole by the second rotating shaft；Wherein,
One end of described first connecting lever is provided with the 3rd circular hole, and one end of described second connecting lever is provided with the 4th circular hole；Institute
The other end stating the first connecting lever is provided with the 5th circular hole, and the other end of described second connecting lever is provided with the 6th circular hole.
In such scheme, described Yawing mechanism also includes: hydraulic cylinder；The earrings of described hydraulic cylinder one end and described 3rd circle
Hole is hinged, and the earrings of the described hydraulic cylinder other end is hinged with described 4th circular hole.
In such scheme, described Yawing mechanism also includes:
First journal stirrup；Described first journal stirrup is hinged with described 5th circular hole by the 3rd rotating shaft；
Second journal stirrup, described second journal stirrup is hinged with described 6th circular hole by the 4th rotating shaft.
In such scheme, described Yawing mechanism also includes:
First friction plate, described first friction plate is arranged on described first journal stirrup；
Second friction plate, described second friction plate is arranged on described second journal stirrup.This utility model provides a kind of inclined
Plane structure, described Yawing mechanism includes: pedestal, and the two ends of described base-plates surface are provided with guide rail；Guide rail, described guide rail is installed
There is slide block；Take-up housing, described take-up housing is arranged on described slide block；Slide, described slide by bolt respectively with described slide block,
Described take-up housing connects；Decelerator, described decelerator is connected with one end of described slide；Servomotor, described servomotor with
Described decelerator is connected；Without the little gear of sideshake, described it is connected with the output shaft of described decelerator without the little gear of sideshake；Sector
Wheel, described sector gear is arranged on one end of described pedestal, and engages without the little gear of sideshake with described；Wherein, described driftage machine
The motion positions precision of structure is ± 2 '；So, in Yawing mechanism runs, described can eliminate between gear drive without the little gear of sideshake
Gap, improves motion positions precision；And described Yawing mechanism compact conformation (reduction installing space), lightweight, it is more suitable at wind
This special environment in hole works.
Accompanying drawing explanation
Fig. 1 provides the left-hand axle of Yawing mechanism to measure intention for this utility model embodiment；
Fig. 2 provides the A-A generalized section of Yawing mechanism for this utility model embodiment.
Description of reference numerals:
1-pedestal；2-slide；3-decelerator；4-servomotor；5-is without the little gear of sideshake；6-sector gear；7-first leads
Rail；8-the second guide rail；9-the first slide block；10 second slide blocks；11-the first take-up housing；12-the second take-up housing；13-speed reducer base；
14 connect seat；15-locking pressure plate；16-locking bed；17-the first connecting lever；18-the first rotating shaft；19-the second connecting lever；20-second turn
Axle；21-hydraulic cylinder；22-the 3rd rotating shaft；23-the 4th rotating shaft；24-the first journal stirrup；25-the 5th rotating shaft；26-the second journal stirrup；27-
6th rotating shaft；28-the first friction plate；29-the second friction plate；30-the first limit base；31-the second limit base.
Detailed description of the invention
In order to, while improving Yawing mechanism running precision, reduce the space needed for equipment is installed, alleviate weight of equipment,
This utility model provides a kind of Yawing mechanism, and described Yawing mechanism includes: pedestal, and the two ends of described base-plates surface are provided with leads
Rail；Guide rail, described guide rail is provided with slide block；Take-up housing, described take-up housing is arranged on described slide block；Slide, described slide
It is connected with described slide block, described take-up housing respectively by bolt；Decelerator, described decelerator is connected with one end of described slide；
Servomotor, described servomotor is connected with described decelerator；Without the little gear of sideshake, described without the little gear of sideshake and described deceleration
The output shaft of device is connected；Sector gear, described sector gear is arranged on one end of described pedestal, and with described without the little gear of sideshake
Engagement；Wherein, the motion positions precision of described Yawing mechanism is ± 2 '.
Below by drawings and the specific embodiments, the technical solution of the utility model is described in further detail.
The present embodiment provides a kind of Yawing mechanism, as it is shown in figure 1, described Yawing mechanism includes: pedestal 1, guide rail, slide block,
Take-up housing, slide 2, decelerator 3, servomotor 4, without the little gear of sideshake 5, sector gear 6；Wherein,
The two ends on described pedestal 1 surface are provided with guide rail；On described guide rail, slide block is installed；Described take-up housing is arranged on institute
State on slide block；Described slide 2 is connected with described slide block, described take-up housing respectively by bolt；Described decelerator 3 and described slide
One end of 2 is connected；The signal output port of described servomotor 4 passes through holding wire with the signal input port of described decelerator 3
It is connected；The described output shaft without the little gear of sideshake 5 with described decelerator 3 is connected；Described sector gear 6 is arranged on described pedestal 1
One end, and engage without the little gear of sideshake 5 with described.Wherein, described in lead as arc guide rail, described slide block is circular arc slide block；Institute
State decelerator 3 for precision speed reduction device.
Specifically, seeing Fig. 1, described guide rail includes: the first guide rail 7 and the second guide rail 8, and described first guide rail 7 is arranged on
The one end on described pedestal 1 surface；Described second guide rail 8 is arranged on the other end on described pedestal 1 surface.Described first guide rail 7 and
Described second guide rail 8 is concentric with the reference circle of described sector gear 6.
Described slide block includes: the first slide block 9 and the second slide block 10；Described first slide block 9 is arranged on described first guide rail 7
On；Described second slide block 10 is arranged on described second guide rail 8.
Described take-up housing includes: the first take-up housing 11 and the second take-up housing 12, and described first take-up housing 11 is arranged on described
On first slide block 9, described second take-up housing 12 is arranged on described second slide block 10.Here, described first take-up housing 11 and
Two take-up housings 12 are all connected with slide 2 by bolt so that described first slide block the 9, first take-up housing the 11, second slide block 10, the
Two take-up housings 12 and slide 2 become an entirety.
Here, seeing Fig. 2, described Yawing mechanism also includes: speed reducer base 13, connection seat 14, locking pressure plate 15, locking bed
16, first connecting lever the 17, first rotating shaft the 18, second connecting lever the 19, second rotating shaft 20, hydraulic cylinder the 21, the 3rd rotating shaft the 22, the 4th rotating shaft
23, first journal stirrup the 24, the 5th rotating shaft the 25, second journal stirrup the 26, the 6th rotating shaft the 27, first friction plate the 28, second friction plate 29, first
Limit base 30 and the second limit base 31；Wherein,
Described speed reducer base 13 is arranged on one end of described slide 2, and described decelerator 3 is arranged on described speed reducer base 13
On；Described connection seat 14 is connected with the other end of described slide 2, and described locking pressure plate 15 is connected with the other end of described pedestal 1,
Described locking bed 16 is connected with the described side being connected seat 14.Wherein, one end of described locking bed 16 is provided with the first circular hole, institute
The other end stating locking bed 16 is provided with the second circular hole.
Further, described first connecting lever 17 is hinged with described first circular hole by the first rotating shaft 18；Described second connecting lever
19 is hinged with described second circular hole by the second rotating shaft 20；Wherein, one end of described first connecting lever 17 is provided with the 3rd circular hole, institute
The one end stating the second connecting lever 19 is provided with the 4th circular hole；The other end of described first connecting lever 17 is provided with the 5th circular hole, and described
The other end of two connecting levers 19 is provided with the 6th circular hole.
The earrings of described hydraulic cylinder 21 one end is hinged with described 3rd circular hole by the 3rd rotating shaft 22, and described hydraulic cylinder 21 is another
The earrings of one end is hinged with described 4th circular hole by the 4th rotating shaft 23.
Described first journal stirrup 24 is hinged with described 5th circular hole by the 5th rotating shaft 25；Described second journal stirrup 26 is by the 6th
Rotating shaft 27 is hinged with described 6th circular hole.Described first friction plate 28 is arranged on described first journal stirrup 24, described second friction
Sheet 29 is arranged on described second journal stirrup 26.Wherein, described first friction plate 28 and described second friction plate 29 are wear-resisting non-gold
Belonging to material, coefficient of friction can reach more than 0.45.
Here, seeing Fig. 1, described first limit base 30 is arranged on the side of one end, described pedestal 1 surface, described second limit
Position seat 31 is arranged on the opposite side of one end, described pedestal 1 surface；The first slide block is caused during to prevent described slide 2 overtravel action
9 slip from the first guide rail 7, or prevent the second slide block 10 from slipping from the second guide rail 8, cause described first guide rail 7 or the second
Ball in guide rail 8 is scattered.
In actual application, when described Yawing mechanism is in off working state, the piston rod of described hydraulic cylinder 21 stretches out, will
One end of described first connecting lever 17 ejects with one end of described second connecting lever 19 so that described first connecting lever 17 and the second connecting lever 19
The other end close to described locking pressure plate 15, described first friction plate 28 and the second friction plate 29 will compress locking pressure plate 15.
When Yawing mechanism works, the first piston rod of hydraulic cylinder 21 is retracted, and the first connecting lever 17 drives the first friction plate 28
Departing from locking pressure plate 15, the second connecting lever 19 drives the second friction plate 29 to depart from locking pressure plate 15；Then, servomotor 4 leads to
Electricity, after being amplified by the moment of torsion of decelerator 3, is driven and rotates without the little gear of sideshake 5, without the little gear of sideshake 5 and sector gear 6 gear
Engaged transmission, in transmission process, can eliminate the transmission sideshake of gear without the little gear of sideshake 5；Slide 2 the first guide rail 7,
Make the circular-rotation of precision on two guide rails 8 relative to pedestal 1, motion positions precision is ± 2 ', and repetitive positioning accuracy is ± 1 '.When
When described first guide rail 7 and the second guide rail 8 move to specify position, servomotor 4 power-off, the piston rod of hydraulic cylinder 21 is stretched simultaneously
Going out, the first connecting lever 17 drives first friction plate the 28, second connecting lever 19 to drive the second friction plate 29 to compress locking pressure plate 15, will driftage
Mechanism is locked.
The Yawing mechanism compact conformation (reduction installing space), lightweight that this utility model provides, it is adaptable to wind-tunnel this
Plant in special environment and work；In Yawing mechanism runs, described can eliminate gear transmission clearance without the little gear of sideshake, improve and move
Positioning precision.
The above, preferred embodiment the most of the present utility model, it is not intended to limit protection of the present utility model
Scope, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, should be included in
Within protection domain of the present utility model.
Claims (10)
1. a Yawing mechanism, it is characterised in that described Yawing mechanism includes:
Pedestal, the two ends of described base-plates surface are provided with guide rail；
Guide rail, described guide rail is provided with slide block；
Take-up housing, described take-up housing is arranged on described slide block；
Slide, described slide is connected with described slide block, described take-up housing respectively by bolt；
Decelerator, described decelerator is connected with one end of described slide；
Servomotor, described servomotor is connected with described decelerator；
Without the little gear of sideshake, described it is connected with the output shaft of described decelerator without the little gear of sideshake；
Sector gear, described sector gear is arranged on one end of described pedestal, and engages without the little gear of sideshake with described；Wherein,
The motion positions precision of described Yawing mechanism is ± 2 '.
2. Yawing mechanism as claimed in claim 1, it is characterised in that described guide rail includes:
First guide rail, described first guide rails assembling is in one end of described base-plates surface；
Second guide rail, described second guide rails assembling is at the other end of described base-plates surface.
3. Yawing mechanism as claimed in claim 2, it is characterised in that described slide block includes:
First slide block, described first slide block is arranged on described first guide rail；
Second slide block, described second slide block is arranged on described second guide rail.
4. Yawing mechanism as claimed in claim 1, it is characterised in that described Yawing mechanism also includes: the first limit base and the
Two limit bases；Wherein,
Described first limit base is arranged on the side of described base-plates surface one end, and described second limit base is arranged on described pedestal table
The opposite side of one end, face.
5. Yawing mechanism as claimed in claim 1, it is characterised in that described Yawing mechanism also includes: speed reducer base；Described subtract
Speed device seat is arranged on one end of described slide, and described decelerator is arranged on described speed reducer base.
6. Yawing mechanism as claimed in claim 5, it is characterised in that described Yawing mechanism also includes:
Connecting seat, described connection seat is connected with the other end of described slide；
Locking pressure plate, described locking pressure plate is connected with the other end of described pedestal；
Locking bed, described locking bed is connected with the described side being connected seat；Wherein,
One end of described locking bed is provided with the first circular hole, and the other end of described locking bed is provided with the second circular hole.
7. Yawing mechanism as claimed in claim 6, it is characterised in that described Yawing mechanism also includes:
First connecting lever, described first connecting lever is hinged with described first circular hole by the first rotating shaft；
Second connecting lever, described second connecting lever is hinged with described second circular hole by the second rotating shaft；Wherein,
One end of described first connecting lever is provided with the 3rd circular hole, and one end of described second connecting lever is provided with the 4th circular hole；Described
The other end of one connecting lever is provided with the 5th circular hole, and the other end of described second connecting lever is provided with the 6th circular hole.
8. Yawing mechanism as claimed in claim 7, it is characterised in that described Yawing mechanism also includes: hydraulic cylinder；Described hydraulic pressure
The earrings of cylinder one end is hinged with described 3rd circular hole, and the earrings of the described hydraulic cylinder other end is hinged with described 4th circular hole.
9. Yawing mechanism as claimed in claim 7, it is characterised in that described Yawing mechanism also includes:
First journal stirrup；Described first journal stirrup is hinged with described 5th circular hole by the 3rd rotating shaft；
Second journal stirrup, described second journal stirrup is hinged with described 6th circular hole by the 4th rotating shaft.
10. Yawing mechanism as claimed in claim 9, it is characterised in that described Yawing mechanism also includes:
First friction plate, described first friction plate is arranged on described first journal stirrup；
Second friction plate, described second friction plate is arranged on described second journal stirrup.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620477668X | 2016-05-24 | ||
| CN201620477668 | 2016-05-24 |
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| CN205843922U true CN205843922U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610398700.XA Pending CN105890864A (en) | 2016-05-24 | 2016-06-07 | Yawing mechanism |
| CN201620555095.8U Active CN205843922U (en) | 2016-05-24 | 2016-06-07 | A kind of Yawing mechanism |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610398700.XA Pending CN105890864A (en) | 2016-05-24 | 2016-06-07 | Yawing mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890864A (en) * | 2016-05-24 | 2016-08-24 | 湖北三江航天红阳机电有限公司 | Yawing mechanism |
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| JPH06201514A (en) * | 1991-10-22 | 1994-07-19 | Mitsubishi Heavy Ind Ltd | Sealing device of gap flow of wind tunnel |
| CN2520435Y (en) * | 2001-12-25 | 2002-11-13 | 大连创新齿轮箱制造有限公司 | Backlash-less engaging gear |
| CN2729432Y (en) * | 2004-09-12 | 2005-09-28 | 郑州华萦化纤科技有限责任公司 | Gear with function for removing sideshake of subgear |
| DE102007035464A1 (en) * | 2007-07-26 | 2009-01-29 | Eads Deutschland Gmbh | Experimental arrangement with a test model and a fastening device, wind tunnel arrangement and such a fastening device |
| CN102012308B (en) * | 2010-05-19 | 2012-01-11 | 北京航空航天大学 | Method for jointly and synchronously measuring velocity/pressure during pitching/rolling movement of model |
| CN101968399B (en) * | 2010-10-18 | 2011-12-21 | 西南交通大学 | Wind tunnel testing system for vehicle and bridge models |
| CN201903440U (en) * | 2010-12-16 | 2011-07-20 | 江苏技术师范学院 | High-speed wind tunnel angle attacking control system |
| CN102121513A (en) * | 2010-12-31 | 2011-07-13 | 中国航空工业空气动力研究院 | Series double-crank sliding block type control surface automatic changeable angle mechanism |
| CN104977148B (en) * | 2015-07-30 | 2017-06-30 | 四川省工业设备安装公司 | The detection means and method of test chamber angle of attack mechanism pivot |
| CN105466662B (en) * | 2015-12-11 | 2017-12-26 | 湖北三江航天红阳机电有限公司 | A kind of wind-tunnel angle of attack adjusting apparatus |
| CN105890864A (en) * | 2016-05-24 | 2016-08-24 | 湖北三江航天红阳机电有限公司 | Yawing mechanism |
-
2016
- 2016-06-07 CN CN201610398700.XA patent/CN105890864A/en active Pending
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890864A (en) * | 2016-05-24 | 2016-08-24 | 湖北三江航天红阳机电有限公司 | Yawing mechanism |
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