CN207751666U - A kind of double rotating shaft supporting mechanisms for wind tunnel test - Google Patents
A kind of double rotating shaft supporting mechanisms for wind tunnel test Download PDFInfo
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- CN207751666U CN207751666U CN201721877389.3U CN201721877389U CN207751666U CN 207751666 U CN207751666 U CN 207751666U CN 201721877389 U CN201721877389 U CN 201721877389U CN 207751666 U CN207751666 U CN 207751666U
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Abstract
The utility model discloses a kind of double rotating shaft supporting mechanisms for wind tunnel test, include mainly：Rocking arm, spindle assemblies, from shaft assembly.Spindle assemblies include main shaft, bearing I, bearing II, motor I, include motor II, drive shaft, bearing III, bearing IV and from axis from shaft assembly.Rocking arm includes the first cylinder and the second cylinder, is connected by slab between two cylinders, and spindle assemblies are packed into the endoporus of the first cylinder of rocking arm, and the endoporus of the second cylinder of rocking arm is packed into from shaft assembly.The output end of motor II is fixed with drive shaft, and drive shaft relies on key connection with from axis.Main shaft is fixed, and motor I can drive rocking arm and motor II, bearing III, bearing IV and from parts such as axis, be rotated around spindle centerline, the driving of motor II is rotated from axis around its own axis.The supporting mechanism can change model attitude angle automatically during wind tunnel experiment, so as to reduce the artificial operation for replacing model state, improve production efficiency by increasing by two motors.
Description
Technical field
The utility model is related to a kind of double rotating shaft supporting mechanisms for wind tunnel test, belong to wind-tunnel technique field.
Background technology
With the fast development of Flight Vehicle Design technology, the requirement to aircraft flight posture is higher and higher, flies at present
When device carries out wind tunnel test, the model support mechanism being fixed on wind-tunnel attack angle mechanism is only limitted to support balance branch lever system, mould
The change of type roll angle, yaw angle needs operating personnel's carry out state replacement before each blowing, or changes the installation of model
Angle, or change the model support mechanism with yaw angle, time-consuming and laborious, low production efficiency, and there is big break away selecting
When the supporting mechanism at angle, when wind-tunnel starts and closes, impact is big, easily causes danger.
Utility model content
The technology of the utility model solves the problems, such as：A kind of double rotating shaft supporting mechanisms for wind tunnel test are provided, are solved
The prior art can not automatic, quick-replaceable model in wind tunnel posture the problem of.
The technical solution of the utility model is：
A kind of double rotating shaft supporting mechanisms for wind tunnel test, including：Rocking arm, spindle assemblies, from shaft assembly；
Rocking arm includes the first cylinder and the second cylinder, is connected by slab between two cylinders, and spindle assemblies are packed into rocking arm the
The endoporus of one cylinder is packed into the endoporus of the second cylinder of rocking arm from shaft assembly.
The spindle assemblies, including：Main shaft, bearing I, bearing II, motor I；Main shaft is hollow stepped cylindrical, outside main shaft
Wall is divided into four sections of ladders, and diameter is respectively first external diameter, second external diameter, third outer diameter, the 4th outer diameter, first external diameter from large to small
Coordinate with the inner ring of bearing II, second external diameter and the inner ring of bearing I coordinate, and bearing is inserted in one end small from major axis diameter successively
II, bearing I, the inner hole of the outer ring of bearing II and the first cylinder of rocking arm；Motor is installed in main shaft first external diameter ladder section
I, the end face of first external diameter is ring flange.
It is described from shaft assembly：Including motor II, drive shaft, group section, bearing III, bearing IV and from axis；It is described from axis
One end is cone section, and the other end is ladder shell of column, and cone section part is equipped with the taper hole for connecting balance strut, and shell of column part is equipped with logical
Hole, and have work keyway in end, pass through key connection with drive shaft；Group section is the interior cylinder for having through-hole, the outer diameter of group section with
The inner hole of the first cylinder of rocking arm, is used in combination pin to fix；Drive shaft is a hollow circuit cylinder, and one end is inserted into from the logical of axis ladder shell of column
Hole, the other end fix the output end of motor II；Motor II is fixed on group section；The inner ring of bearing III and bearing IV with from axis
Cylindrical section coordinates, the inner hole of the outer ring and the first cylinder of rocking arm of bearing III and bearing IV.
The spindle assemblies further include end ring II, and the first external diameter of the diameter of bore and bearing I of end ring II is matched
Close, the outer diameter of end ring II and the inner hole with the first cylinder of rocking arm, end ring II be located at bearing II and bearing I it
Between.
The spindle assemblies further include end ring I, and end ring I is located at the end face of bearing I.
Described from shaft assembly further includes end ring III, and end ring III is a hollow circuit cylinder, is located at group section and bearing
Between III.
It is described from shaft assembly further include end ring IV be a hollow circuit cylinder, between bearing III and bearing IV.
The motor I and motor II are core motor.
Ranging from 0 °~90 ° of the axis angle of the first cylinder of the rocking arm and the second cylinder.
The advantageous effect of the utility model compared with prior art is：
1) the utility model controls the rotation of balance branch lever system and model by installing two motors on supporting mechanism
Turn, under being used cooperatively of attack angle mechanism, can automatically, quickly change the flight attitude of model, is participated in without artificial, it is time saving
It is laborsaving, test efficiency can be greatly improved；
2) when the application of the utility model can effectively avoid high angles of side slip, wind-tunnel generated punching when starting and closing
It hits, by controlling double rotating shaft supporting mechanisms and attack angle mechanism, model can be made when wind-tunnel starts and closes, pitch angle, sideslip
Angle and roll angle are 0, and after flow field is established, model is transformed to trystate.
Description of the drawings
Fig. 1 is a kind of double rotating shaft supporting mechanisms for wind tunnel test provided by the utility model；
Fig. 2 is 1 three dimensional structure diagram of main shaft provided by the utility model；
Fig. 3 is I 2 three dimensional structure diagram of end ring provided by the utility model；
Fig. 4 is II 4 three dimensional structure diagram of end ring provided by the utility model；
Fig. 5 is 7 three dimensional structure diagram of radome fairing provided by the utility model；
Fig. 6 is 8 three dimensional structure diagram of rocking arm provided by the utility model；
Fig. 7 is 10 three dimensional structure diagram of drive shaft provided by the utility model；
Fig. 8 is 11 three dimensional structure diagram of group section provided by the utility model；
Fig. 9 is provided by the utility model from 16 three dimensional structure diagram of axis.
Specific implementation mode
The utility model controls supporting mechanism by installing two axis motor at an angle to each other in model support mechanism
The rotation of itself is combined together use with attack angle mechanism, so as to implementation model any attitude, is participated in without artificial.
The utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is a kind of double rotating shaft supporting mechanism schematic diagrames for wind tunnel test provided by the utility model, including：It shakes
Arm, spindle assemblies, from shaft assembly.Rocking arm 8 includes the first cylinder and the second cylinder, is connected by slab between two cylinders, main shaft
Component is packed into the endoporus of 8 first cylinder of rocking arm, and the endoporus of 8 second cylinder of rocking arm is packed into from shaft assembly.
Spindle assemblies include：Main shaft 1, end ring I 2, bearing I 3, end ring II 4, bearing II 5, motor I 6；Main shaft 1
For hollow stepped cylindrical, 1 outer wall of main shaft is divided into four sections of ladders, and diameter is respectively first external diameter, second external diameter, the from large to small
Three outer diameters, the 4th outer diameter, first external diameter and the inner ring of bearing II 5 coordinate, and second external diameter and the inner ring of bearing I 3 coordinate, from main shaft
Bearing II 5, end ring II 4, bearing I 3, end ring I 2 are inserted in the small one end of 1 diameter successively, the outer ring of bearing II 5 with shake
The inner hole of first cylinder of arm 8；Motor I 6 is installed, the end face of first external diameter is flange in 1 first external diameter ladder section of main shaft
Disk, the diameter of bore of end ring II 4 and the first external diameter of bearing I 3 coordinate, the outer diameter of end ring II 4 and with rocking arm 8 the
The inner hole of one cylinder.
Include from shaft assembly：Motor II 9, drive shaft 10, group section 11, end ring III 12, bearing III 13, end ring
IV 14, bearing IV 15 and from axis 16；Described from one end of axis 16 is cone section, and the other end is ladder shell of column, and cone section part is equipped with cone
Hole, for connecting balance strut, shell of column part is equipped with through-hole, and has work keyway in end, passes through key connection with drive shaft 10；Turn
It is the interior cylinder for having through-hole to connect section 11, and the inner hole of the outer diameter and 8 first cylinder of rocking arm of group section 11 is used in combination pin to fix；It drives
Moving axis 10 is a hollow circuit cylinder, and the through-hole from 16 ladder shell of column of axis is inserted into one end, and the other end fixes the output end of motor II 9；Electricity
Machine II 9 is fixed on group section 11；The inner ring of bearing III 13 and bearing IV 15 coordinates with from the cylindrical section of axis 16, III 13 He of bearing
The inner hole of the outer ring and 8 first cylinder of rocking arm of bearing IV 15, end ring III 12 are a hollow circuit cylinder, are located at group section 11
Between bearing III 13, end ring IV 14 is a hollow circuit cylinder, between bearing III 13 and bearing IV 15.
Motor I 6 and motor II 9 are core motor, ranging from 0 ° of the axis angle of 8 first cylinder of rocking arm and the second cylinder
~90 °.
Fig. 2 is 1 three dimensional structure diagram of main shaft, and outer wall is divided into four sections of ladders, and diameter is respectively the from large to small
Bearing II 5, end ring are inserted in one outer diameter, second external diameter, third outer diameter, the 4th outer diameter, one end small from 1 diameter of main shaft successively
II 4, bearing I 3, end ring I 2,1 first external diameter ladder section of main shaft is interior to install motor I 6, and roundlet shell of column is fixed on attack angle mechanism
Holder on；Central through hole is used for away motor lines and wind-tunnel balance line.
Fig. 3 is I 2 three dimensional structure diagram of end ring, is an annulus, is fixed on 1 big cylindrical section of main shaft and small
The segmentation portion of cylindrical section is used for the limit of bearing I 3.
Fig. 4 is II 4 three dimensional structure diagram of end ring, and shape is the cylinder for having among one stepped hole, is set
Between bearing I 3 and bearing II 5, and the major diameter fit of internal diameter and bearing I 3, the same size in outer ring of outer diameter and bearing II 5, and it is same
When inner hole with the first cylinder of rocking arm 8.
Fig. 5 is 7 three dimensional structure diagram of radome fairing, and shape is a circular cone with certain wall thickness, and in side
Have a protrusion, circular cone bottom surface is fixed on one end of 8 first cylinder of rocking arm, the apertures of protruding parts just with the first cylinder of rocking arm 8
Major diameter fit.
Fig. 6 is 8 three dimensional structure diagram of rocking arm, and the hollow circuit cylinder mutually being had angle by two sections of axis forms, and is pressed from both sides
Angle can be unspecified angle between 0~90 °, be connected by a slab between two cylinders, and have a through-hole among slab, for leaking out
The cable of cave heaven horizontal line and motor II 9.
Fig. 7 is 10 three dimensional structure diagram of drive shaft, and drive shaft 10 is a hollow circuit cylinder, and one end is inserted into from axis 16
The through-hole of ladder shell of column, and pass through key connection；The other end fixes the output end of motor II 9.
Fig. 8 is 11 three dimensional structure diagram of group section, has the cylinder of stepped hole for centre, cylinder outer diameter with shake
The inner hole of second cylinder of arm 8, is used in combination pin to fix；One end face of cylinder is contacted with the cycle surface of bearing III 13,
Motor II 9 is fixed in another end face of cylinder.
Fig. 9 is to be described from 16 three dimensional structure diagram of axis, and described to divide from axis 16 to bore section and shell of column, cone section is for connecting
Balance strut, shell of column coordinate with the inner ring of bearing III 13 and bearing IV 15, and the through-hole at center is for the cave heaven horizontal line that leaks out.
In the present embodiment, the motor I 6 and motor II 9 are all hollow structures, and wind-tunnel balance line may pass through from axis 16
Heart hole is passed through among the slab for connecting two cylinders on rocking arm 8 by the centre bore of motor II 9 together with the cable of motor II 9
Straight slot, then using the centre bore of motor I 6, be pierced by into the cavity of radome fairing 7 from 1 centre bore of main shaft；The motor I
6 and motor II 9 do not interfere with each other, motor II 9 by drive shaft 10 drive from axis 16 around its center line rotate, motor I 6 drive rocking arm
8 and component thereon around main shaft 1 center line rotate.
The one of the utility model is preferably as follows：
In the present embodiment, the driving angle range of motor I 6 can be 0~360 °, and the driving angle range of motor II 9 can
It it is 0~360 °, the preset angle of two cylinder axis can be 0~90 ° on rocking arm 8, not include 90 °.Ranging from -15 ° of attack angle mechanism
~25 °.In the present invention, ranging from 0~360 ° of the driving angle of motor I 6 and motor II 9, two cylinders is pre- on rocking arm 8
It sets angle and is selected as 12 °, in conjunction with -15 °~25 ° of attack angle mechanism adjustable extent, then the attitude angle adjustable extent of model：- 3 ° of the angle of attack
~37 °, -12 ° of yaw angle~12 °, -180 ° of roll angle~180 °.
The best specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
The content not being described in detail in the utility model specification belongs to the known technology of professional and technical personnel in the field.
Claims (9)
1. a kind of double rotating shaft supporting mechanisms for wind tunnel test, which is characterized in that including：Rocking arm (8), spindle assemblies, from axis
Component；
Rocking arm (8) includes the first cylinder and the second cylinder, is connected by slab between two cylinders, and spindle assemblies are packed into rocking arm (8)
The endoporus of first cylinder is packed into the endoporus of (8) second cylinder of rocking arm from shaft assembly.
2. a kind of double rotating shaft supporting mechanisms for wind tunnel test according to claim 1, which is characterized in that the main shaft
Component includes：Main shaft (1), bearing I (3), bearing II (5), motor I (6)；Main shaft (1) is hollow stepped cylindrical, main shaft (1)
Outer wall is divided into four sections of ladders, and diameter is respectively first external diameter, second external diameter, third outer diameter, the 4th outer diameter from large to small, outside first
The inner ring of diameter and bearing II (5) coordinates, and second external diameter and the inner ring of bearing I (3) coordinate, one end small from main shaft (1) diameter according to
It is secondary to be inserted in bearing II (5), bearing I (3), the inner hole of the outer ring of bearing II (5) and the first cylinder of rocking arm (8)；Main shaft (1)
The end face of installation motor I (6) in first external diameter ladder section, first external diameter is ring flange.
3. a kind of double rotating shaft supporting mechanisms for wind tunnel test according to claim 2, which is characterized in that described from axis
Component includes：Motor II (9), drive shaft (10), group section (11), bearing III (13), bearing IV (15) and from axis (16)；It is described
It is cone section from one end of axis (16), the other end is ladder shell of column, and cone section part is equipped with the taper hole for connecting balance strut, shell of column
Part is equipped with through-hole, and has work keyway in end, passes through key connection with drive shaft (10)；Group section (11) is the interior circle for having through-hole
Column, the inner hole of the outer diameter and (8) first cylinder of rocking arm of group section (11), is used in combination pin to fix；Drive shaft (10) is one hollow
The through-hole from axis (16) ladder shell of column is inserted into cylinder, one end, and the other end fixes the output end of motor II (9)；Motor II (9) is fixed
On group section (11)；The inner ring of bearing III (13) and bearing IV (15) coordinates with from the cylindrical section of axis (16), bearing III (13)
With the inner hole of the outer ring and (8) first cylinder of rocking arm of bearing IV (15).
4. a kind of double rotating shaft supporting mechanisms for wind tunnel test according to claim 2, it is characterised in that：The main shaft
Component further includes end ring II (4), and the diameter of bore of end ring II (4) coordinates with the first external diameter of bearing I (3), bearing
The outer diameter of baffle ring II (4) and inner hole with the first cylinder of rocking arm (8), end ring II (4) are located at bearing II (5) and axis
It holds between I (3).
5. a kind of double rotating shaft supporting mechanisms for wind tunnel test according to claim 2, it is characterised in that：The main shaft
Component further includes end ring I (2), and end ring I (2) is located at the end face of bearing I (3).
6. a kind of double rotating shaft supporting mechanisms for wind tunnel test according to claim 3, it is characterised in that：It is described from axis
Component further includes end ring III (12), and end ring III (12) is a hollow circuit cylinder, is located at group section (11) and bearing III
(13) between.
7. a kind of double rotating shaft supporting mechanisms for wind tunnel test according to claim 3, it is characterised in that：It is described from axis
Component further includes that end ring IV (14) is a hollow circuit cylinder, between bearing III (13) and bearing IV (15).
8. a kind of double rotating shaft supporting mechanisms for wind tunnel test according to claim 3, it is characterised in that：The motor
I (6) and motor II (9) are core motor.
9. according to a kind of any double rotating shaft supporting mechanisms for wind tunnel test of claim 1-8, it is characterised in that：Institute
State ranging from 0 °~90 ° of the axis angle of (8) first cylinder of rocking arm and the second cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877389.3U CN207751666U (en) | 2017-12-28 | 2017-12-28 | A kind of double rotating shaft supporting mechanisms for wind tunnel test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721877389.3U CN207751666U (en) | 2017-12-28 | 2017-12-28 | A kind of double rotating shaft supporting mechanisms for wind tunnel test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207751666U true CN207751666U (en) | 2018-08-21 |
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ID=63151154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721877389.3U Active CN207751666U (en) | 2017-12-28 | 2017-12-28 | A kind of double rotating shaft supporting mechanisms for wind tunnel test |
Country Status (1)
| Country | Link |
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| CN (1) | CN207751666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279674A (en) * | 2021-12-29 | 2022-04-05 | 中国空气动力研究与发展中心高速空气动力研究所 | Double-rotating-shaft supporting mechanism with variable front shaft |
-
2017
- 2017-12-28 CN CN201721877389.3U patent/CN207751666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279674A (en) * | 2021-12-29 | 2022-04-05 | 中国空气动力研究与发展中心高速空气动力研究所 | Double-rotating-shaft supporting mechanism with variable front shaft |
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