CN104950897B - The mechanism of control separation body Model rolling - Google Patents
The mechanism of control separation body Model rolling Download PDFInfo
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- CN104950897B CN104950897B CN201510278702.0A CN201510278702A CN104950897B CN 104950897 B CN104950897 B CN 104950897B CN 201510278702 A CN201510278702 A CN 201510278702A CN 104950897 B CN104950897 B CN 104950897B
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Abstract
The present invention provides a kind of guided missile roll attitude motion applied to track capture systems, and main purpose is that rolling of the domestic model around own axes is realized in the track captive test of wind-tunnel Multi-bodies Separation.It includes pole, joint, sleeve, drive dynamic control device and tail cone, one end of pole is fastened with the front end of joint in the way of same central shaft to be connected, its other end is used to install the gentle chorista model in day, joint is installed at the front opening of sleeve in the way of it can rotate freely, joint has rear end axle, when joint is arranged on the sleeve, rear end shaft extension is entered in the sleeve, drive mechanism integral installation is in the sleeve, the drive shaft of the drive dynamic control device is connected with rear end axle fastening, so as to drive the rear end axle to drive joint and the pole to be rotated, tail cone is blocked in the open rearward end of the sleeve.Mechanism congestion degree is low, and control accuracy is high, and the control response time is short, and rigidity is high.
Description
Technical field
The present invention relates to a kind of mechanism of the control separation body Model rolling applied to track capture systems, belong to examination
Test aerodynamic scope.
Background technology
Track capture systems are the simulated flight device stage separation in wind tunnel test, chorista when machine bullet, Halo vest
The wind tunnel test system in flow field is interfered between parent, in process of the test, according to the day being installed in separation body Model
The flat aerodynamic force measured, resolves flight dynamic equations, obtains separating posture and the displacement of body Model next step, and computer will be ordered
It is input in movement mechanism with multiple degrees of freedom, each motion completes the position of separation body Model according to instruction and posture changes.
The posture change of body Model is separated in process of the test includes the change of roll angle, therefore is needed in whole system
Want the change of the mechanism implementation model roll attitude of a set of control guided missile roll attitude motion.But separation body Model generally compared with
It is small, it is contemplated that the problems such as wind-tunnel congestion degree and a whole set of motion are to the interference of model aerodynamic force, the body of rolling movement mechanism
Product is small, but to export and meet the moment of torsion of test requirements document and realize the change of model roll angle in the short time, while roll angle
The precision of degree control is high, it is ensured that the accuracy of result of the test.
The problems such as limiting and disturb in view of space, the rolling movement mechanism of domestic track capture systems is most at present
By the way of joint is turned, rolling movement mechanism is arranged on distance model remote position, so as to reduce rolling movement mechanism
Interference (accompanying drawing 4) to model afterbody flow field, but during joint rolling is turned in the drive of rolling motor, model is outgoing except rolling
Show the displacement in other directions, it is necessary to be compensated to it, model is reached actual position, lose the design displacement of system,
The moving range of model in itself is limited, and brings more multiple error, increases the working time.
The content of the invention
The present invention is to provide a kind of mechanism of the control separation body Model rolling applied to track capture systems, can catch
Obtain in trajectory tests, be directly realized by the rolling control of separation body Model, without compensation, make to reach test requirements document in the model short time
Posture.The mechanism of the control separation body Model rolling of the present invention is to be directly installed on separation body Model afterbody (reference picture 3), together
When take into account the problems such as model blockage percentage, afterbody flow field are disturbed, compensated without to rolling process, precision is up to 0.1 °.
The mechanism of the control separation body Model rolling of the present invention includes：Pole, joint, sleeve, drive dynamic control device and tail
Cone, one end of the pole is fastened with the front end of the joint in the way of same central shaft to be connected, and its other end is used to install day
Gentle separation body Model, the central axis of the axis of the pole and the balance and separates the axis of body Model in same axle
On line, the joint is installed in the way of it can rotate freely at the front opening of the sleeve, and the joint has rear end
Axle, when the joint is arranged on the sleeve, the rear end shaft extension is entered in the sleeve, and the drive dynamic control device is overall
It is installed in the sleeve, the drive shaft of the drive dynamic control device is connected with rear end axle fastening, the drive control dress
Put including motor and the encoder that is connected with motor, so as to drive the rear end axle to drive the joint and the pole to carry out
Rotation, the tail cone is blocked on the open rearward end of the sleeve, the wall of the bottom of the sleeve be provided with above and below two layers of cabling channel,
It is respectively used to encoder line and the cabling of motor lines, connector into 30 degree of angles with the sleeve axis to be arranged at the sleeve
The bottom of front end, respectively through the encoder line of the respective cabling channel and the motor lines and rotary transformer line
Respectively it is connected via the individual passage of the connector with control system.
It is preferred that the drive dynamic control device includes rotary transformer, decelerator, motor and encoder, the rotary transformer
It is fixed on by bearing on the rear end axle, the rear end axle is connected by shaft coupling with the reducer shaft, the decelerator
It is fixed on by switching sleeve in the sleeve, the reducer shaft is connected with the drive shaft of the motor, the motor and institute
State encoder to be connected, and the rear end axle, the reducer shaft, the central shaft of the drive shaft of the motor and the encoder
On the axis for being respectively positioned on the sleeve, the rear end clogging sleeve of the tail cone in the coding.
It is preferred that the joint is engaged with the pole by the way of swelling is connected and key is connected, to prevent in rotary course
In, occur the displacement of axial and circumferential therebetween, fixed between the joint and the sleeve using two bearings, to ensure
The joint can have rotary freedom, and in the absence of radial and axial displacement.
It is preferred that perforate is provided with the position at the rear portion of the bearing positioned at the joint rear end of the upper wall of the sleeve, it is described
Perforate is blocked by cover plate.
It is preferred that the thickness of the cover plate is more than the thickness of the sleeve wall, when the cover plate is covered in the perforate, institute
Cover plate is stated just to keep off on the top for the bearing rear end positioned at the joint rear portion.
It is preferred that two layers of cabling channel above and below being provided with the wall of the bottom of the sleeve, encoder line and motor lines are respectively used to
Cabling.
It is preferred that also include connector, the connector with the sleeve axis into 30 degree angles positioned at the barrel forward end
Bottom, passed through respectively through the encoder line of the respective cabling channel and the motor lines and rotary transformer line
It is connected by the connector with control system.
The advantage of the present invention compared with prior art is as follows：
1. being controlled present invention can be implemented in model roll attitude in the captive test of wind-tunnel track, model angulation change can reach
To ± 360 °, and congestion degree is low, and control accuracy is high, can reach 0.1 °, the control response time is short, and rigidity is high.
2. rotation mechanism for wind is directly installed on model afterbody driving model rolling by the present invention, its other party is not present in addition to rolling
To displacement and angulation change, without compensating approach, it is to avoid because of the error that correction tape is come, MECHANISM PRECISION is high.
3. the present invention separates motor lines with encoder line, two cabling channels distinguish cabling, it is to avoid the two produces signal and done
Disturb, it is ensured that the accuracy of result of the test.
4. monitor the roll angle of missiles ' terminal in real time present invention employs rotary transformer, it is to avoid utilize encoder measurement
The error brought in roll angle containing decelerator mechanical clearance etc..
Brief description of the drawings
Fig. 1 separates the in-house structure chart of body Model rolling for control.
Fig. 2 separates the mechanical appearance figure of body Model rolling for control.
Fig. 3 separates the mechanism schematic view of the mounting position of body Model rolling for the control of the present invention.
Fig. 4 is rolling movement mechanism schematic view of the mounting position in existing track capture systems.
Symbol description
1. the cover plate of 5. bearing of pole 2. joint, 3. sleeve, 4. rotary transformer 6.
7. the cabling channel of 11. switching sleeve of shaft coupling 8. decelerator, 9. motor, 10. encoder 12.
13. the rear end axle of the tail cone 15. of cabling channel 14. outlet 16. bearing, 17. entrance, 18. entrance 19.
20. connector 21. exports 22. machine tools 23. separation body Model 24. rolling movement mechanism
25. turn joint and the separation machine tool model of body Model 27. of pole 26.
Embodiment
Specific embodiments of the present invention are further described in detail below according to accompanying drawing.
As shown in Figure 1, 2, the present invention applied to track capture systems control separation body Model rolling mechanism by will
The drive dynamic control device tandem of control separation body Model rolling is arranged in sleeve 3, and passes through joint 2 and gentle point of day of support
The pole 1 of in vitro membranous type connects, and the rear end of sleeve 3 is provided with tail cone 14, so, is rolled by the control separation body Model of the present invention
When the mechanism turned applies in an experiment, its congestion degree is low (reference picture 3), and because drive control mechanism directly passes through joint control
Pole 1 processed rotates, and drives chorista membranous type to rotate by pole 1, so it is capable of the change of implementation model angle ± 360 °, control essence
Degree is high, can reach 0.1 °, and the control response time is short, and rigidity is high.
In the present embodiment, joint 2 and pole 1 in the way of same central shaft swelling be connected and key connection by way of match somebody with somebody
Close, prevent in rotary course, can prevent occurring sliding the phenomenons such as dislocation therebetween, it is to avoid occur axial direction and week therebetween
To displacement, it is ensured that the two motion is synchronous.Joint 2 has rear end axle 19, and joint 2 is by bearing 16 and is installed on rear end axle 19
The bearing 5 at rear portion is fixed on the front end of sleeve 3, so as to ensure that joint 2 can have rotary freedom, and in the absence of radially
And axial displacement.
The drive dynamic control device of control separation body Model rolling includes rotary transformer 4, decelerator 8, motor 9 and encoder
14, rotary transformer 4 is fixed on the rear end axle 19 of joint 2, and by bearing 5 rotary transformer 4 is carried out spacing.Rear end axle
19 are connected by shaft coupling 7 with the axle of decelerator 8, and decelerator 8 is fixed in sleeve 3 by switching sleeve 11, reducer shaft with
The drive shaft of motor 9 is connected, and motor 9 is connected with encoder 10, after drive dynamic control device is assembled in sleeve 3, rear end axle,
Reducer shaft, the drive shaft of motor 9 and the central shaft of encoder 14 are all located on the axis of sleeve 3, and tail cone 14 is in encoder
The open rearward end of the 10 clogging sleeve 3 in rear end.
To ensure installation, convenient disassembly, the wall on the top of sleeve 3 is provided with perforate, blocked during normal work using cover plate 6,
Experiment is not influenceed, it is necessary to pull down cover plate 6 when installing, dismantling, and simplifies installation, maintenance operating procedure.Above-mentioned perforate is located at peace
After the position for filling bearing 5, the thickness of cover plate 5 is more than the thickness of the wall of sleeve 3, when cover plate 6 is covered in perforate, and cover plate 6 is than set
The part of 3 wall thickness of cylinder just keeps off the top in the rear end of bearing 5, so as to prevent the axial movement of bearing 5, plays spacing work
With.
Two layers of cabling channel above and below being offered respectively on the wall of the bottom of sleeve 3, the cabling channel 13 of lower floor is used for the line of motor 9
Cabling, upper strata cabling channel 12 is used for the cabling of the line of encoder 14, dry so as to avoid signal therebetween from producing
Disturb.
Mechanism also includes connector 20, and the axis of connector 20 and sleeve 3 is located under the front end of sleeve 3 into 30 degree of angles
Portion, for sleeve 3 to be fixed on into movement mechanism with multiple degrees of freedom, motor lines, encoder line, rotary transformer line and day horizontal line etc.
It is connected by connector 20 with control system.By the motor lines of cabling channel 13 individually via connection it can be seen from Fig. 1
Outlet 15 on first 20 is brought out.Encoder line enters connector together with rotary transformer line by cabling channel 12 from entrance 18
In 20, and it is brought out together with entering the day horizontal line of connector 20 from entrance 17 from outlet 21.
The operation principle of the present invention
After the mechanism installation and debugging for controlling separation body Model rolling are completed, balance, mould are installed in the front end of balance pole 1
Type is arranged on balance pole 1.Wind-tunnel starts after experiment, and the model stress data collected is input in computer by balance, electricity
Brain resolves fight dynamics equation according to the data of collection, calculates roll angle of the model under current stress, and will
It is converted into the roll angle of the mechanism of control separation body Model rolling, is input in encoder 10.Encoder 10 is according to computer
The instruction controlled motor 9 of input rotates, and motor 9 drives joint 2 to rotate via decelerator 8 by shaft coupling 7, and then drives pole
1 rotation, so as to drive the gentle chorista model rolling in the day above pole 1.During rolling, rotary transformer
4 can measure the angle of separation body Model rolling in real time, feed back to control system, and the anglec of rotation of monitoring motor 9, is carried in real time
The rolling precision of high mechanism, is finally reached the model roll angle needed for experiment.Model rolling is to after specified angle, and balance continues
Dynamometry, circulates above-mentioned steps, until whole experiment is completed.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
The preferred embodiment of the present invention is illustrated above, but the present invention is not limited to above-described embodiment.It is right
For those skilled in the art, in the category described in claims, it should be apparent that it is conceivable that various modifications
Or fixed case, the technology category of the present invention is fallen within certainly.
Claims (5)
1. a kind of mechanism for controlling to separate body Model rolling, it is characterised in that including：Pole, joint, sleeve, drive control dress
Put and tail cone, one end of the pole is fastened with the front end of the joint in the way of same central shaft to be connected, and its other end is used for
The gentle chorista model in day is installed, the central axis of the axis of the pole and the balance and separates the axis of body Model and exists
On same axis, the joint is installed in the way of it can rotate freely at the front opening of the sleeve, the joint tool
There is rear end axle, when the joint is arranged on the sleeve, the rear end shaft extension is entered in the sleeve, the drive control dress
Integral installation is put in the sleeve, the drive shaft of the drive dynamic control device is connected with rear end axle fastening, the driving
Control device includes motor and the encoder that is connected with motor, so as to drive the rear end axle to drive the joint and the branch
Bar is rotated, the tail cone is blocked on the open rearward end of the sleeve, the wall of the bottom of the sleeve be provided with above and below two layers
Cabling channel, is respectively used to encoder line and the cabling of motor lines, and connector with the sleeve axis into 30 degree of angles to be arranged at
The bottom of the barrel forward end, respectively through the encoder line of the respective cabling channel and the motor lines and rotation
Transformer wire is respectively connected via the individual passage of the connector with control system.
2. the mechanism of control separation body Model rolling according to claim 1, it is characterised in that：The drive control control
Device includes rotary transformer, decelerator, motor and encoder, and the rotary transformer is fixed on the rear end axle by bearing
On, the rear end axle is connected by shaft coupling with the reducer shaft, and the decelerator is fixed on the set by switching sleeve
In cylinder, the reducer shaft is connected with the drive shaft of the motor, and the motor is connected with the encoder, and the rear end
The central shaft of axle, the reducer shaft, the drive shaft of the motor and the encoder is respectively positioned on the axis of the sleeve,
The rear end clogging sleeve of the tail cone in the coding.
3. the mechanism of control separation body Model rolling according to claim 1, it is characterised in that：The joint and the branch
Bar is engaged by the way of swelling connection and key connection, to prevent in rotary course, occurs axial and circumferential therebetween
Displacement, is fixed between the joint and the sleeve using two bearings, to ensure that the joint can have rotary freedom, and
In the absence of radial and axial displacement.
4. the mechanism of control separation body Model rolling according to claim 2, it is characterised in that：In the upper wall of the sleeve
The rear positions of the bearing positioned at the joint rear end be provided with perforate, the perforate blocked by cover plate.
5. the mechanism of control separation body Model rolling according to claim 4, it is characterised in that：The thickness of the cover plate is big
In the thickness of the sleeve wall, when the cover plate is covered in the perforate, the cover plate is just kept off for being connect positioned at described
The top of the bearing rear end of back of head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278702.0A CN104950897B (en) | 2015-05-27 | 2015-05-27 | The mechanism of control separation body Model rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278702.0A CN104950897B (en) | 2015-05-27 | 2015-05-27 | The mechanism of control separation body Model rolling |
Publications (2)
| Publication Number | Publication Date |
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| CN104950897A CN104950897A (en) | 2015-09-30 |
| CN104950897B true CN104950897B (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510278702.0A Active CN104950897B (en) | 2015-05-27 | 2015-05-27 | The mechanism of control separation body Model rolling |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444983B (en) * | 2015-12-15 | 2018-01-12 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of model rolling angle measurement device of high-speed wind tunnel |
| CN107830987B (en) * | 2017-12-04 | 2024-04-12 | 中国航空工业集团公司沈阳空气动力研究所 | Six-degree-of-freedom mechanism store strut for capture track test based on bevel gear transmission |
| CN109342005A (en) * | 2018-11-26 | 2019-02-15 | 中国航空工业集团公司沈阳空气动力研究所 | Z-shaped mechanism in six degree of freedom store Combinations strut for wind-tunnel captive trajectory testing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589839A (en) * | 2012-02-16 | 2012-07-18 | 重庆德马变频电机研发制造有限公司 | Hollow rotation mechanism for wind tunnel test |
| CN202547900U (en) * | 2012-04-23 | 2012-11-21 | 中国航天空气动力技术研究院 | Automatic rolling tail support mechanism applied to high-speed wind tunnel |
| CN202735850U (en) * | 2012-07-26 | 2013-02-13 | 中国空气动力研究与发展中心高速空气动力研究所 | Wind tunnel test model roll control device |
| CN102928191B (en) * | 2012-09-29 | 2014-11-26 | 中国航天空气动力技术研究院 | Small rolling moment measuring device for hypersonic velocity wind tunnel |
| CN102889973B (en) * | 2012-09-29 | 2015-06-17 | 中国航天空气动力技术研究院 | High-precision device for measuring rolling moment based on mechanical bearing support |
| CN102944376B (en) * | 2012-11-30 | 2015-02-25 | 中国航天空气动力技术研究院 | Wind tunnel test device |
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