CN108054512A - A kind of high-torque anti-interference antenna directing mechanism for survey of deep space - Google Patents
A kind of high-torque anti-interference antenna directing mechanism for survey of deep space Download PDFInfo
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- CN108054512A CN108054512A CN201711290551.6A CN201711290551A CN108054512A CN 108054512 A CN108054512 A CN 108054512A CN 201711290551 A CN201711290551 A CN 201711290551A CN 108054512 A CN108054512 A CN 108054512A
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- antenna
- fixed
- rotary unit
- survey
- dimensional rotary
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/288—Satellite antennas
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention is provided to the high-torque anti-interference antenna directing mechanism of survey of deep space, including：Servo mechanism；Locking unit, fixed servo mechanism, by antenna mounting in fixed position；Two-dimensional rotary unit is fixedly connected with antenna by flange；Stretch rod, one end connect the lifting unit, and the other end connects the two-dimensional rotary unit；Relieving mechanism is compressed, antenna surrounding is symmetrically distributed in centered on antenna；First position-limit mechanism and the second position-limit mechanism；Brake, in the rotation axis of two-dimensional rotary unit, stator is fixed on two-dimensional rotary unit bearing hole end surface, and rotor is fixed in driven shaft.Provided by the present invention for the high-torque anti-interference antenna directing mechanism of survey of deep space, brake in two-dimensional rotation mechanism rotation axis is installed, increases rotation axis holding torque after energization, improves the interference free performance under servo mechanism stalling holding pattern.
Description
Technical field
The present invention relates to aerospace field of electromechanical technology, a kind of more particularly to high-torque for survey of deep space is anti-interference
Antenna directing mechanism.
Background technology
Antenna directing mechanism is the core component of spaceborne observing and controlling Data transfer system, is that number biography antenna is fixed to grounded receiving station tracking
The executing agency of position.
The disturbance torque that common satellite-borne data transmission antenna aperture is generally subject at 0.5 meter or so, in-orbit flight is only tens of
Milli ox rice.With with the development of Lunar Probe Project and the survey of deep space activity for visiting firer Cheng Wei representatives, the distance of detector to the earth
Much larger than earth-orbiting satellite, the signal attenuation degree of data transmission procedure is also significantly increased therewith, it is necessary to which high-gain aerial is complete
Into the data transmission between deep space probe and the earth.High-gain aerial bore becomes rail mistake often at 2 meters or more, in deep space probe
Need to bear the disturbance torque of oxen rice tens of or even up to a hundred in journey.Current servo mechanism stalling holding torque is slightly larger than driving force
Square, generally ten Ns meters or so can not meet during deep space probe becomes rail and support jamproof demand.
High-gain aerial and servo mechanism need to be pressed on detector side in deep space probe launching phase, bear to emit
The oscillating load of section.High-gain aerial bore is big, and servo mechanism compresses point and is coated over the antenna back side, causes compression point that can not pacify
Dress is fixed.
A kind of high-torque anti-interference antenna directing mechanism for survey of deep space is urgently designed, meets the need of survey of deep space
It asks.
The content of the invention
It is an object of the invention to provide a kind of high-torque anti-interference antenna directing mechanism for survey of deep space, to solve
Servo mechanism compresses the problem of point can not be installed.
In order to solve the above-mentioned technical problem, the technical scheme is that：A kind of high-torque for survey of deep space is provided
Anti-interference antenna directing mechanism, including：Servo mechanism, servo mechanism include lifting unit, install the peace of bottom surface and detector
Dress face is fixedly connected, and is positioned by pin；Locking unit, on the lifting unit, servo mechanism is by antenna lifting
After in place, the locking unit fixes servo mechanism, by antenna mounting in fixed position；Two-dimensional rotary unit, passes through with antenna
Flange is fixedly connected；Stretch rod, one end connect the lifting unit, and the other end connects the two-dimensional rotary unit；
Relieving mechanism is compressed, antenna surrounding is symmetrically distributed in centered on antenna；
First position-limit mechanism, limiting slot is through the stretch rod close to the mounting hole of two-dimensional rotary unit one end, upper end
It is fixed in the stretch rod, lower end is bonded compression with hemispherical stop screw spherical, and limiting plate is fixed on detector peace
On dress face, the hemispherical stop screw is tightened in limiting plate；
Second position-limit mechanism, limiting slot pass through mounting hole of the stretch rod away from two-dimensional rotary unit one end, upper end
It is fixed on the two-dimensional rotary unit framework, lower end is bonded compression with hemispherical stop screw spherical, and limiting plate is fixed
On detector mounting surface, the hemispherical stop screw is tightened in limiting plate；
Brake, in the rotation axis of the two-dimensional rotary unit, stator is fixed on the two-dimensional rotary unit
Bearing hole end surface, rotor are fixed in driven shaft.
Further, antenna compresses and connects π type reinforcing ribs between point mounting hole and mounting flange, by four antenna pressures
Tight point is connected with the servo mechanism through mounting flange.
Further, the hemispherical stop screw spherical, which is adjacent in the limiting slot, limits the servo mechanism
Five degree of freedom, residue one is relied on along the hemispherical stop screw axis direction degree of freedom to be distributed in described in antenna surrounding
Compress relieving mechanism limitation.
Further, the compression relieving mechanism includes clamping screw, and the clamping screw is screwed into through antenna installing hole
In detector mounting surface threaded hole, antenna is fixed on detector mounting surface.
Further, the material of the limiting slot is titanium alloy, and the material of the hemispherical stop screw is stainless steel, and
In the limiting slot and hemispherical stop screw mating surface coating MoS2The anti-cold welding of solid film.
Provided by the present invention for the high-torque anti-interference antenna directing mechanism of survey of deep space, the first position-limit mechanism and second
Position-limit mechanism cooperation compresses relieving mechanism and uses, and can need not install clamping screw can play /V and fixation to servo mechanism
Effect solves the problems, such as that a servo mechanism compression point clamping screw can not installation operation；Pacify in two-dimensional rotation mechanism rotation axis
Brake is filled, increases rotation axis holding torque after energization, improves the interference free performance under servo mechanism stalling holding pattern.
Description of the drawings
Invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the high-torque anti-interference antenna directing mechanism stereochemical structure provided in an embodiment of the present invention for survey of deep space
Schematic diagram；
Fig. 2 is servo mechanism dimensional structure diagram provided in an embodiment of the present invention；
Fig. 3 a are the first position-limit mechanism provided in an embodiment of the present invention or the second position-limit mechanism dimensional structure diagram；
Fig. 3 b are the first position-limit mechanism provided in an embodiment of the present invention or the second position-limit mechanism cross-sectional view；
Fig. 4 is compression relieving mechanism structure diagram provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the high-torque anti-interference antenna proposed by the present invention for survey of deep space
Directing mechanism is described in further detail.According to following explanation and claims, advantages and features of the invention will become apparent from.
It should be noted that attached drawing is using very simplified form and using non-accurate ratio, only to it is convenient, lucidly aid in
Illustrate the purpose of the embodiment of the present invention.
The core concept of the present invention is, machine is directed toward provided by the present invention for the high-torque anti-interference antenna of survey of deep space
Structure, the first position-limit mechanism and the cooperation of the second position-limit mechanism compress relieving mechanism and use, and can need not install clamping screw can play
/V and fixation to servo mechanism solve the problems, such as that a servo mechanism compression point clamping screw can not installation operation；
Brake in two-dimensional rotation mechanism rotation axis is installed, increases rotation axis holding torque after energization, servo mechanism stalling is improved and keeps
Interference free performance under pattern.
Fig. 1 is the high-torque anti-interference antenna directing mechanism structural representation provided in an embodiment of the present invention for survey of deep space
Figure；Fig. 2 is servo mechanism dimensional structure diagram provided in an embodiment of the present invention；Fig. 3 a are provided in an embodiment of the present invention first
Position-limit mechanism or the second position-limit mechanism dimensional structure diagram；Fig. 3 b are the first position-limit mechanism provided in an embodiment of the present invention or the
Two position-limit mechanism cross-sectional views.With reference to Fig. 1, Fig. 2, Fig. 3 a and Fig. 3 b, provide it is a kind of for survey of deep space energetically
Square anti-interference antenna directing mechanism, including：Servo mechanism 11, servo mechanism 11 include lifting unit 111, and installation bottom surface is with visiting
The mounting surface for surveying device is fixedly connected, and is positioned by pin；Locking unit 112, on the lifting unit 111, servo
By after 16 lifting in place of antenna, the locking unit 112 fixes servo mechanism 11, and antenna 16 is supported on fixed bit for mechanism 11
It puts；Two-dimensional rotary unit 113 is fixedly connected with antenna 16 by flange；Stretch rod 114, one end connect the lifting unit
111, the other end connects the two-dimensional rotary unit 113；Relieving mechanism 12 is compressed, antenna is symmetrically distributed in centered on antenna 16
16 surroundings；First position-limit mechanism 13, limiting slot 131 is through the stretch rod 114 close to the peace of 113 one end of two-dimensional rotary unit
Hole is filled, upper end is fixed in the stretch rod 114, and lower end is bonded compression, limiting plate with 132 spherical of hemispherical stop screw
133 are fixed on detector mounting surface, and the hemispherical stop screw 132 is tightened in limiting plate 133；Second position-limit mechanism
14, limiting slot 131 passes through the mounting hole of the stretch rod 114 away from 113 one end of two-dimensional rotary unit, and upper end is fixed on described
On 113 frame of two-dimensional rotary unit, lower end is bonded compression with 132 spherical of hemispherical stop screw, and limiting plate 133 is fixed on
On detector mounting surface, the hemispherical stop screw 132 is tightened in limiting plate 133；Brake 15, mounted on described two
In the rotation axis for tieing up rotating unit 113, stator is fixed on the 113 bearing hole end surface of two-dimensional rotary unit, and rotor is fixed
In driven shaft.
The stator of brake 15 is screwed in 113 bearing hole end surface of two-dimensional rotary unit, and rotor is fixed on driven shaft
It is interior；Using brake open in usual, after brake 15 is powered, rotor and stator generate statical moment by electromagnetic action, limit servo
11 axis of structure rotates, so as to which two-dimensional rotary unit 113 is maintained at fixed position；When two-dimensional rotary unit 113 stalls holding, lead to
Crossing brake 15 increases holding torque, and when making the two-dimensional rotary unit 113 be subject to the extraneous torque to disturb, rotation axis remains stationary as.
In embodiments of the present invention, antenna compresses and connects π type reinforcing ribs between point mounting hole and mounting flange, by four institutes
Antenna compression point is stated with the servo mechanism 11 through mounting flange to be connected.132 spherical of hemispherical stop screw is adjacent to
Five degree of freedom of the limitation servo mechanism 11 in the limiting slot 131, remaining one along the hemispherical stop screw
132 axis direction degree of freedom are limited by the compression relieving mechanism 12 for being distributed in antenna surrounding.
Fig. 4 is compression relieving mechanism structure diagram provided in an embodiment of the present invention.With reference to Fig. 4, the compression machine for releasing
Structure includes clamping screw 41, and the clamping screw 41 is screwed into through antenna installing hole 42 in detector mounting surface threaded hole, by day
Line 16 is fixed on detector mounting surface.
The material of the limiting slot 131 is titanium alloy, and the material of the hemispherical stop screw 132 is stainless steel, and
The limiting slot 131 and 132 mating surface of hemispherical stop screw coating MoS2The anti-cold welding of solid film.
Obviously, those skilled in the art can carry out the present invention essence of various changes and deformation without departing from the present invention
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (5)
1. a kind of high-torque anti-interference antenna directing mechanism for survey of deep space, which is characterized in that including：
Servo mechanism, including：
Lifting unit, installation bottom surface is fixedly connected with the mounting surface of detector, and is positioned by pin；
Locking unit, on the lifting unit, servo mechanism by after antenna lifting in place, watch by the locking unit fixation
Mechanism is taken, by antenna mounting in fixed position；
Two-dimensional rotary unit is fixedly connected with antenna by flange；
Stretch rod, one end connect the lifting unit, and the other end connects the two-dimensional rotary unit；
Relieving mechanism is compressed, antenna surrounding is symmetrically distributed in centered on antenna；
First position-limit mechanism, limiting slot through the stretch rod close to the mounting hole of two-dimensional rotary unit one end, fix by upper end
In the stretch rod, lower end is bonded compression with hemispherical stop screw spherical, and limiting plate is fixed on detector mounting surface
On, the hemispherical stop screw is tightened in limiting plate；
Second position-limit mechanism, limiting slot pass through mounting hole of the stretch rod away from two-dimensional rotary unit one end, and upper end is fixed
On the two-dimensional rotary unit framework, lower end is bonded compression with hemispherical stop screw spherical, and limiting plate is fixed on spy
It surveys on device mounting surface, the hemispherical stop screw is tightened in limiting plate；
Brake, in the rotation axis of the two-dimensional rotary unit, stator is fixed on the two-dimensional rotary unit bearing
Hole end surface, rotor are fixed in driven shaft.
2. the high-torque anti-interference antenna directing mechanism of survey of deep space to be used for as described in claim 1, which is characterized in that antenna
It compresses and connects π type reinforcing ribs between point mounting hole and mounting flange, four antennas are compressed point passes through with the servo mechanism
Mounting flange is connected.
3. the high-torque anti-interference antenna directing mechanism of survey of deep space to be used for as described in claim 1, which is characterized in that described
Hemispherical stop screw spherical is adjacent to five degree of freedom that the servo mechanism is limited in the limiting slot, a remaining edge
The hemispherical stop screw axis direction degree of freedom is by the compression relieving mechanism limitation for being distributed in antenna surrounding.
4. the high-torque anti-interference antenna directing mechanism of survey of deep space to be used for as described in claim 1, which is characterized in that described
Compressing relieving mechanism includes clamping screw, and the clamping screw is screwed into through antenna installing hole in detector mounting surface threaded hole,
Antenna is fixed on detector mounting surface.
5. the high-torque anti-interference antenna directing mechanism of survey of deep space to be used for as described in claim 1, which is characterized in that described
The material of limiting slot is titanium alloy, and the material of the hemispherical stop screw is stainless steel, and in the limiting slot and described half
Spherical stop screw mating surface coats MoS2The anti-cold welding of solid film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290551.6A CN108054512B (en) | 2017-12-08 | 2017-12-08 | High-torque anti-interference antenna pointing mechanism for deep space exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711290551.6A CN108054512B (en) | 2017-12-08 | 2017-12-08 | High-torque anti-interference antenna pointing mechanism for deep space exploration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054512A true CN108054512A (en) | 2018-05-18 |
| CN108054512B CN108054512B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711290551.6A Active CN108054512B (en) | 2017-12-08 | 2017-12-08 | High-torque anti-interference antenna pointing mechanism for deep space exploration |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100253586A1 (en) * | 2009-04-06 | 2010-10-07 | Asc Signal Corporation | Dual Opposed Drive Loop Antenna Pointing Apparatus and Method of Operation |
| CN105659919B (en) * | 2011-12-12 | 2014-06-04 | 北京空间飞行器总体设计部 | A kind of spaceborne servomechanism system |
| CN110140444B (en) * | 2011-12-14 | 2014-06-25 | 上海宇航系统工程研究所 | A kind of passive developing antenna mechanism |
| US9172128B2 (en) * | 2011-12-23 | 2015-10-27 | Macdonald, Dettwiler And Associates Corporation | Antenna pointing system |
| CN110140443B (en) * | 2014-05-20 | 2017-06-30 | 上海宇航系统工程研究所 | A kind of satellite antenna two-dimensional pointing mechanism of splice type |
| CN107240764A (en) * | 2017-05-22 | 2017-10-10 | 上海宇航系统工程研究所 | The directing mechanism that a kind of spaceborne Complex Radar antenna high rigidity offset is fixed |
-
2017
- 2017-12-08 CN CN201711290551.6A patent/CN108054512B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100253586A1 (en) * | 2009-04-06 | 2010-10-07 | Asc Signal Corporation | Dual Opposed Drive Loop Antenna Pointing Apparatus and Method of Operation |
| CN105659919B (en) * | 2011-12-12 | 2014-06-04 | 北京空间飞行器总体设计部 | A kind of spaceborne servomechanism system |
| CN110140444B (en) * | 2011-12-14 | 2014-06-25 | 上海宇航系统工程研究所 | A kind of passive developing antenna mechanism |
| US9172128B2 (en) * | 2011-12-23 | 2015-10-27 | Macdonald, Dettwiler And Associates Corporation | Antenna pointing system |
| CN110140443B (en) * | 2014-05-20 | 2017-06-30 | 上海宇航系统工程研究所 | A kind of satellite antenna two-dimensional pointing mechanism of splice type |
| CN107240764A (en) * | 2017-05-22 | 2017-10-10 | 上海宇航系统工程研究所 | The directing mechanism that a kind of spaceborne Complex Radar antenna high rigidity offset is fixed |
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| Publication number | Publication date |
|---|---|
| CN108054512B (en) | 2020-09-08 |
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