CN108832254B - Satellite-borne parabolic cylinder antenna extension arm - Google Patents
Satellite-borne parabolic cylinder antenna extension arm Download PDFInfo
- Publication number
- CN108832254B CN108832254B CN201810516693.8A CN201810516693A CN108832254B CN 108832254 B CN108832254 B CN 108832254B CN 201810516693 A CN201810516693 A CN 201810516693A CN 108832254 B CN108832254 B CN 108832254B
- Authority
- CN
- China
- Prior art keywords
- rigid arm
- rigid
- reverse
- arm
- arms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Aerials With Secondary Devices (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a satellite-borne parabolic cylinder antenna extension arm which comprises a plurality of forward rigid arms (8) and reverse rigid arms (9) which are connected end to end in sequence at intervals, wherein the adjacent forward rigid arms (8) and reverse rigid arms (9) are connected through a superelastic hinge (6) and are positioned through a piezoceramic positioning block (7), the adjacent forward rigid arms (8) and reverse rigid arms (9) can rotate and bend around the superelastic hinge (6), the superelastic hinge (6) drives the extension arms to unfold by releasing stored strain energy, and the head of the piezoceramic positioning block (7) is provided with a permanent magnet, so that the generated magnetic force and the superelastic hinge (6) provide a locking force together. The winding machine alternately releases the restraint rope, and the stretching arm can be orderly unfolded. All the positive rigid arms (8) and the negative rigid arms (9) are in an arc shape after being completely unfolded. The invention has good strength and rigidity after being unfolded and stable performance.
Description
Technical Field
The invention relates to a satellite-borne parabolic cylinder antenna extension arm, and belongs to the technical field of satellite-borne antennas.
Background
The satellite-borne parabolic cylinder antenna is one kind of satellite-borne antenna, has the characteristics of strong directivity, high gain, easiness in automatic beam scanning and the like, has become an important development direction of the satellite-borne antenna, but the application of the parabolic cylinder antenna is limited by the problems of low accommodation ratio, low expansion precision and the like. At present, the unfolding structure of the parabolic cylinder antenna is mainly divided into a rigid unfolding structure and a flexible unfolding structure. The rigid extensible structure has the advantages that the unfolding process is controllable, but the positioning accuracy is low due to the clearance and friction at the rotating shaft, and the overall rigidity is low. The flexible extensible mechanism has the advantages of small volume, light weight, no friction in the unfolding process, high positioning precision and high overall rigidity, but the unfolding process of the flexible extensible mechanism depends on the material characteristics, so uncontrollable factors exist in the unfolding process, and obvious impact and vibration exist in the unfolding process. Therefore, how to improve the storage ratio, improve the unfolding precision and realize the stability and controllability of the unfolding process is an urgent problem to be solved.
Disclosure of Invention
In order to solve the problems of low unfolding precision and unstable and uncontrollable unfolding process of a satellite-borne parabolic cylinder antenna, the invention provides a satellite-borne parabolic cylinder antenna stretching arm, which has the following specific technical scheme:
a satellite-borne parabolic cylinder antenna extension arm comprises a forward rigid arm, a reverse rigid arm and a superelastic hinge;
The number of the positive rigid arms and the number of the negative rigid arms are respectively a plurality, and the positive rigid arms and the negative rigid arms are alternately connected end to end in sequence; the adjacent positive rigid arms and the adjacent negative rigid arms are connected through the super-elastic hinge, the adjacent positive rigid arms and the adjacent negative rigid arms can rotate and bend around the super-elastic hinge, and the whole body is in an arc shape after all the positive rigid arms and the negative rigid arms are completely unfolded.
The tail end of the rigid arm is connected with a fixed rigid arm through a super-elastic hinge, the fixed rigid arm is provided with a forward rigid arm winch and a reverse rigid arm winch, a forward rigid arm restraint rope is wound on the forward rigid arm winch, and a reverse rigid arm restraint rope is wound on the reverse rigid arm winch;
the forward rigid arm winch and the reverse rigid arm winch are respectively positioned at the positions close to the two ends of the fixed rigid arm, when all the forward rigid arms and the reverse rigid arms are completely folded, the forward rigid arm winch and forward rigid arm connecting rings on all the forward rigid arms are positioned on the same straight line, and the forward rigid arm restraining rope penetrates through all the forward rigid arm connecting rings; the reverse rigid arm winch and the reverse rigid arm connecting rings on all the reverse rigid arms are positioned on the same straight line, and the reverse rigid arm restraining rope penetrates through all the reverse rigid arm connecting rings.
two opposite rotating shaft mounting plates are arranged at two ends of the forward rigid arm and the reverse rigid arm, the two rotating shaft mounting plates at each end are positioned at two side edges in the width direction of the corresponding forward rigid arm and the corresponding reverse rigid arm, and the rotating shaft mounting plates at two ends of the forward rigid arm and the reverse rigid arm are respectively positioned at two sides in the length direction of the forward rigid arm and the reverse rigid arm;
An axial rotating shaft mounting hole is formed in the center of the rotating shaft mounting plate;
The tops of the rotating shaft mounting plates on the same sides of the forward rigid arm and the reverse rigid arm in the length direction are sleeved and overlapped, rotating shaft mounting holes are penetrated through, a rotating shaft penetrates through the rotating shaft mounting holes, and the forward rigid arm is connected with the reverse rigid arm;
the fixed rigid arm is provided with a rotating shaft mounting plate at one end connected with the forward rigid arm or the reverse rigid arm, and a rotating shaft mounting hole is formed in the rotating shaft mounting plate and penetrates through the fixed rigid arm and the rotating shaft mounting hole of the forward rigid arm or the reverse rigid arm connected with the fixed rigid arm through a rotating shaft to connect the fixed rigid arm and the forward rigid arm.
The fixed rigid arm and the end of the forward rigid arm or the reverse rigid arm connected with the fixed rigid arm are arranged to be inclined planes which incline from the rotating shaft mounting plate to the width center of the fixed rigid arm;
When all the positive rigid arms and the reverse rigid arms are completely folded, one end of the positive rigid arm or one end of the reverse rigid arm parallel to the fixed rigid arm is provided with an inclined plane which is the same as the fixed rigid arm; and the inclined plane of the positive rigid arm or the reverse rigid arm and the inclined plane of the fixed rigid arm are positioned at the same end of the corresponding positive rigid arm or the reverse rigid arm and the fixed rigid arm, and all the inclined planes are parallel to each other.
When all the forward rigid arms and the reverse rigid arms are completely folded, hinge supports are arranged on the inner side walls of the forward rigid arms and the reverse rigid arms, the fixed rigid arms and the forward rigid arms or the reverse rigid arms which are connected through the superelasticity hinges and in the acute angle state, and the hinge supports on the inner side walls of the forward rigid arms and the reverse rigid arms, the fixed rigid arms and the forward rigid arms or the reverse rigid arms which are connected through the acute angles are in opposite interference contact.
A piezoelectric ceramic positioning block is embedded in one end of the positive rigid arm or the negative rigid arm connected with one end of the fixed rigid arm provided with the inclined plane;
And a piezoelectric ceramic positioning block is embedded in one end of the reverse rigid arm or one end of the forward rigid arm, which is connected with one end of the forward rigid arm or one end of the reverse rigid arm, which is provided with the inclined plane.
the head of the piezoelectric ceramic positioning block is flush with the end part of the corresponding positive rigid arm or the corresponding negative rigid arm, and a permanent magnet is mounted at the head of the piezoelectric ceramic positioning block.
the forward rigid arm connecting ring is fixed with the forward rigid arm through a connecting plate, and the reverse rigid arm connecting ring is fixed with the reverse rigid arm through a connecting plate.
The invention has the beneficial effects that:
In the invention, the piezoelectric ceramics are arranged in the piezoelectric ceramics positioning block, the piezoelectric ceramics positioning block is a positioning device with the piezoelectric ceramics, and the piezoelectric ceramics positioning block and the piezoelectric ceramics are integrated. The positioning position is finely adjusted through the piezoelectric ceramic positioning block, so that the included angle between the rigid arms can be accurately adjusted in a small range, and the positioning precision is high. After the super-elastic hinge is unfolded, the bending rigidity is high, and the external excitation resistance is strong. The high rigidity after the super-elastic hinge is unfolded and the magnetic force generated by the piezoelectric ceramic positioning block form double locking, so that the locking force is improved, the integral rigidity of the extension arm is increased, and the bearing capacity, impact resistance and vibration resistance of the extension wall are improved. The winch alternately and slowly releases the constraint rope at a constant speed, and the constraint torque provided by the constraint rope can enable the superelastic hinge to be in a quasi-static process in the unfolding process, so that the impact and the vibration in the unfolding process are avoided, and the unfolding process is stable and ordered.
Drawings
figure 1 is a schematic view of the invention after deployment of the spreading arm,
Figure 2 is a schematic view of the invention with the extending arm folded,
figure 3 is a partial schematic view of the junction of a forward rigid arm and a reverse rigid arm of the present invention,
List of reference numerals: 1. the device comprises a reverse rigid arm restraint rope, 2 a reverse rigid arm winch, 3 a forward rigid arm winch, 4 a fixed rigid arm, 5 a hinge support, 6 a superelastic hinge, 7 a piezoelectric ceramic positioning block, 8 a forward rigid arm, 8-1 a forward rigid arm connecting ring, 9 a reverse rigid arm, 9-1 a reverse rigid arm connecting ring, 10 a forward rigid arm restraint rope, 11 a permanent magnet, 12 an inclined surface, 13 a rotating shaft mounting plate and 14 a rotating shaft.
Detailed Description
The invention is further elucidated with reference to the drawings and the detailed description. It should be understood that the following detailed description is illustrative of the invention only and is not intended to limit the scope of the invention.
Fig. 1 is a schematic diagram of the extended arm of the invention after being unfolded, wherein the number of the forward rigid arms 8 and the reverse rigid arms 9 is selected according to the length of the extended arm of the space-borne parabolic cylinder antenna, and the lengths of the forward rigid arms 8 and the reverse rigid arms 9 are set according to the requirements of actual rigidity and toughness.
FIG. 2 is a schematic view of the extending arm of the present invention when folded, and it can be seen from the attached drawings that the forward rigid arm 8 and the reverse rigid arm 9 are alternately connected end to end in sequence; adjacent forward 8 and reverse 9 rigid arms are connected by a superelastic hinge 6, and adjacent forward 8 and reverse 9 rigid arms are capable of rotational bending about the superelastic hinge 6.
the tail end of the forward rigid arm 8 or the reverse rigid arm 9 is connected with the fixed rigid arm 4 through a super-elastic hinge 6, the fixed rigid arm 4 is provided with a forward rigid arm winch 3 and a reverse rigid arm winch 2, the forward rigid arm winch 3 is wound with a forward rigid arm restraint rope 10, and the reverse rigid arm winch 3 is wound with a reverse rigid arm restraint rope 10.
The forward rigid arm winch 3 and the reverse rigid arm winch 2 are respectively positioned at the positions, close to the two ends, of the fixed rigid arm 4, when all the forward rigid arms 8 and the reverse rigid arms 9 are completely folded, the forward rigid arm winch 3 and forward rigid arm connecting rings 8-1 on all the forward rigid arms 8 are positioned on the same straight line, and the forward rigid arm restraint rope 10 penetrates through all the forward rigid arm connecting rings 8-1; the reverse rigid arm winch 3 and the reverse rigid arm connecting rings 9-1 on all the reverse rigid arms 9 are positioned on the same straight line, and the reverse rigid arm restraint ropes 1 penetrate through all the reverse rigid arm connecting rings 9-1.
Fig. 3 is a partial schematic view of a joint of the forward rigid arm and the reverse rigid arm according to the present invention, and it can be seen from the attached drawings that two opposite rotating shaft mounting plates are respectively disposed at two ends of the forward rigid arm 8 and the reverse rigid arm 9, the two rotating shaft mounting plates at each end are located at two side edges in the width direction of the corresponding forward rigid arm 8 and the corresponding reverse rigid arm 9, and the rotating shaft mounting plates at two ends of the forward rigid arm 8 and the reverse rigid arm 9 are respectively located at two sides in the length direction thereof.
The center of the rotating shaft mounting plate is provided with an axial rotating shaft mounting hole.
The tops of the rotating shaft mounting plates on the same side of the forward rigid arm 8 and the reverse rigid arm 9 in the length direction are sleeved and overlapped, rotating shaft mounting holes are penetrated through, a rotating shaft penetrates through the rotating shaft mounting holes, and the forward rigid arm 8 and the reverse rigid arm 9 are connected;
the one end that fixed rigid arm 4 and forward rigid arm 8 or reverse rigid arm 9 are connected is provided with the pivot mounting panel, and the pivot mounting hole has been seted up to the pivot mounting panel to run through the pivot mounting hole of fixed rigid arm 4 and forward rigid arm 8 or reverse rigid arm 9 rather than being connected through the pivot, connect it.
The fixed rigid arm 4 and the end of the forward rigid arm 8 or the reverse rigid arm 9 connected with the fixed rigid arm are arranged to be inclined planes, and the inclined planes are inclined from the rotating shaft mounting plate to the width center of the fixed rigid arm 4.
When all the forward rigid arms 8 and the reverse rigid arms 9 are completely folded, one end of the forward rigid arm 8 or one end of the reverse rigid arm 9 which is parallel to the fixed rigid arm 4 is provided with an inclined plane which is the same as that of the fixed rigid arm 4; and the inclined planes of the forward rigid arm 8 or the reverse rigid arm 9 and the inclined plane of the fixed rigid arm 4 are positioned at the same end of the corresponding forward rigid arm 8 or the reverse rigid arm 9 and the fixed rigid arm 4, and all the inclined planes are parallel to each other.
When all the forward rigid arms 8 and the reverse rigid arms 9 are completely folded, the hinge brackets 5 are arranged on the inner side walls of the forward rigid arms 8 and the reverse rigid arms 9, the fixed rigid arms 4 and the forward rigid arms 8 or the reverse rigid arms 9 which are connected by the superelastic hinge 6 and in an acute angle state, and the hinge brackets 5 on the inner side walls of the forward rigid arms 8 and the reverse rigid arms 9, the fixed rigid arms 4 and the forward rigid arms 8 or the reverse rigid arms 9 which are connected in an acute angle state are in opposite interference contact.
a piezoelectric ceramic positioning block 7 is embedded in one end of the positive rigid arm 8 or the negative rigid arm 9 connected with one end of the fixed rigid arm 4 provided with the inclined plane.
A piezoelectric ceramic positioning block 7 is embedded in one end of the reverse rigid arm 9 or one end of the forward rigid arm 8, which is connected with one end of the forward rigid arm 8 or one end of the reverse rigid arm 9, which is provided with an inclined plane.
the head of the piezoelectric ceramic positioning block 7 is flush with the end of the corresponding positive rigid arm 8 or the end of the corresponding negative rigid arm 9, and a permanent magnet is mounted at the head of the piezoelectric ceramic positioning block 7.
as a specific fixing manner of the forward rigid arm connection ring 8-1 and the reverse rigid arm connection ring 9-1, the forward rigid arm connection ring 8-1 is fixed to the forward rigid arm 8 by a connection plate, and the reverse rigid arm connection ring 9-1 is fixed to the reverse rigid arm 9 by a connection plate.
According to the invention, a superelastic hinge 6 is fixed on a hinge support 5 through a bolt, the hinge support 5 is fixed on the corresponding side of a fixed rigid arm 4, a forward rigid arm 8 or a reverse rigid arm 9 through a bolt, a reverse rigid arm restraint rope 1 is connected with a reverse rigid arm winch 2 and the reverse rigid arm 9 through a reverse rigid arm connecting ring 9-1, and a forward rigid arm restraint rope 10 is connected with the forward rigid arm winch 3 and the forward rigid arm 8 through a forward rigid arm connecting ring 8-1.
The piezoelectric ceramic positioning block 7 is arranged on the forward rigid arm 8 or the reverse rigid arm 9, the included angle between the adjacent forward rigid arms 8 or the reverse rigid arms 9 can be finely adjusted by adjusting voltage so as to meet the precision requirement, and the head of the piezoelectric ceramic positioning block is provided with a permanent magnet. When the stretching arm is unfolded, the hyperelastic hinge 6 drives the stretching arm to unfold through strain energy accumulated during folding, and the forward rigid arm winch 3 and the reverse rigid arm winch 2 alternately and slowly release the forward rigid arm restraint rope 10 and the reverse rigid arm restraint rope 1 at a constant speed, so that the stretching arm is stably and orderly unfolded. After the stretching arm is unfolded, the super-elastic hinge 6 has the characteristic of high rigidity, and forms double locking with the magnetic force provided by the magnet at the head of the piezoelectric ceramic positioning block 7, so that the overall rigidity of the stretching arm is improved.
The technical means disclosed by the scheme of the invention are not limited to the technical means disclosed by the technical means, and the technical scheme also comprises the technical scheme formed by any combination of the technical characteristics.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. the satellite-borne parabolic cylinder antenna extension arm is characterized by comprising a forward rigid arm (8), a reverse rigid arm (9) and a super-elastic hinge (6);
the number of the positive rigid arms (8) and the number of the negative rigid arms (9) are respectively multiple, and the positive rigid arms (8) and the negative rigid arms (9) are sequentially connected end to end; the adjacent forward rigid arms (8) and the reverse rigid arms (9) are connected through the superelasticity hinge (6), the adjacent forward rigid arms (8) and the adjacent reverse rigid arms (9) can rotate and bend around the superelasticity hinge (6), and all the forward rigid arms (8) and the reverse rigid arms (9) are completely unfolded and are integrally in an arc shape; the fixed rigid arm (4) and the end of the forward rigid arm (8) or the reverse rigid arm (9) connected with the fixed rigid arm are arranged to be inclined planes which incline from the rotating shaft mounting plate to the width center of the fixed rigid arm (4);
When all the positive rigid arms (8) and the reverse rigid arms (9) are completely folded, one end of the positive rigid arm (8) or one end of the reverse rigid arm (9) which is parallel to the fixed rigid arm (4) is provided with an inclined plane which is the same as that of the fixed rigid arm (4); the inclined plane of the positive rigid arm (8) or the reverse rigid arm (9) and the inclined plane of the fixed rigid arm (4) are positioned at the same end of the corresponding positive rigid arm (8) or the reverse rigid arm (9) and the fixed rigid arm (4), and all the inclined planes are parallel to each other;
A forward rigid arm (8) or a reverse rigid arm (9) at the tail end is connected with a fixed rigid arm (4) through a super-elastic hinge (6), the fixed rigid arm (4) is provided with a forward rigid arm winch (3) and a reverse rigid arm winch (2), a forward rigid arm restraint rope (10) is wound on the forward rigid arm winch (3), and a reverse rigid arm restraint rope (10) is wound on the reverse rigid arm winch (3); the forward rigid arm winch (3) and the reverse rigid arm winch (2) are respectively positioned at the positions, close to the two ends, of the fixed rigid arm (4), when all the forward rigid arms (8) and the reverse rigid arms (9) are completely folded, the forward rigid arm winch (3) and forward rigid arm connecting rings (8-1) on all the forward rigid arms (8) are positioned on the same straight line, and the forward rigid arm restraining rope (10) penetrates through all the forward rigid arm connecting rings (8-1); the reverse rigid arm winch (3) and reverse rigid arm connecting rings (9-1) on all reverse rigid arms (9) are positioned on the same straight line, and the reverse rigid arm restraint rope (1) penetrates through all reverse rigid arm connecting rings (9-1); the axial direction of the forward rigid arm connecting ring (8-1) is parallel to the length direction of the forward rigid arm (8), and the axial direction of the reverse rigid arm connecting ring (9-1) is parallel to the length direction of the reverse rigid arm (9);
a piezoelectric ceramic positioning block (7) is embedded in one end of the forward rigid arm (8) or the reverse rigid arm (9) which is connected with one end of the fixed rigid arm (4) provided with the inclined plane; a piezoelectric ceramic positioning block (7) is embedded into one end of the reverse rigid arm (9) or one end of the forward rigid arm (8), which is connected with one end of the forward rigid arm (8) or one end of the reverse rigid arm (9) provided with the inclined plane;
the head of the piezoelectric ceramic positioning block (7) is flush with the end part of the corresponding positive rigid arm (8) or the corresponding negative rigid arm (9), and a permanent magnet is installed at the head of the piezoelectric ceramic positioning block (7).
2. The space-borne parabolic cylinder antenna extending arm according to claim 1, wherein two opposite rotating shaft mounting plates are arranged at two ends of the forward rigid arm (8) and the reverse rigid arm (9), the two rotating shaft mounting plates at each end are located at two side edges of the corresponding forward rigid arm (8) and the corresponding reverse rigid arm (9) in the width direction, and the rotating shaft mounting plates at two ends of the forward rigid arm (8) and the reverse rigid arm (9) are respectively located at two sides of the forward rigid arm and the reverse rigid arm in the length direction; an axial rotating shaft mounting hole is formed in the center of the rotating shaft mounting plate; the tops of the rotating shaft mounting plates on the same side in the length direction of the forward rigid arm (8) and the reverse rigid arm (9) are sleeved and overlapped, rotating shaft mounting holes are penetrated through, a rotating shaft penetrates through the rotating shaft mounting holes, and the forward rigid arm (8) is connected with the reverse rigid arm (9); the one end that fixed rigid arm (4) and forward rigid arm (8) or reverse rigid arm (9) are connected is provided with the pivot mounting plate, and the pivot mounting hole has been seted up to the pivot mounting plate to run through the pivot mounting hole of fixed rigid arm (4) and connected forward rigid arm (8) or reverse rigid arm (9) through the pivot, connect it.
3. the spaceborne parabolic cylinder antenna extending arm according to claim 1, wherein when all the forward rigid arms (8) and the reverse rigid arms (9) are completely folded, the hinge brackets (5) are arranged on the inner side walls of the forward rigid arms (8) and the reverse rigid arms (9), the fixed rigid arms (4) and the forward rigid arms (8) or the reverse rigid arms (9) which are connected by the superelastic hinge (6) and in an acute angle state, and the hinge brackets (5) on the inner side walls of the forward rigid arms (8) and the reverse rigid arms (9), the fixed rigid arms (4) and the forward rigid arms (8) or the reverse rigid arms (9) which are connected in an acute angle state are in relative interference contact.
4. The space-borne parabolic cylinder antenna extending arm as claimed in claim 1, wherein the forward rigid arm connecting ring (8-1) is fixed with the forward rigid arm (8) through a connecting plate, and the reverse rigid arm connecting ring (9-1) is fixed with the reverse rigid arm (9) through a connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810516693.8A CN108832254B (en) | 2018-05-25 | 2018-05-25 | Satellite-borne parabolic cylinder antenna extension arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810516693.8A CN108832254B (en) | 2018-05-25 | 2018-05-25 | Satellite-borne parabolic cylinder antenna extension arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108832254A CN108832254A (en) | 2018-11-16 |
| CN108832254B true CN108832254B (en) | 2019-12-17 |
Family
ID=64145519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810516693.8A Active CN108832254B (en) | 2018-05-25 | 2018-05-25 | Satellite-borne parabolic cylinder antenna extension arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108832254B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430876B (en) * | 2020-04-16 | 2022-05-03 | 安徽大学 | Multi-superelastic hinge parabolic cylinder antenna deployable mechanism |
| CN113682857B (en) * | 2021-07-21 | 2023-05-23 | 东南大学 | Large parabolic film structure winding and folding tool system and folding method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080090696A (en) * | 2007-04-05 | 2008-10-09 | 삼성전자주식회사 | Device for detecting position of antenna |
| CN104201481A (en) * | 2014-09-12 | 2014-12-10 | 哈尔滨工业大学 | Scissors fork linkage type foldable pillbox antenna mechanism |
| CN106410362A (en) * | 2016-11-09 | 2017-02-15 | 上海卫星工程研究所 | Stretching forming mechanism of parabolic cylinder |
| CN106742076A (en) * | 2016-11-16 | 2017-05-31 | 上海卫星工程研究所 | A kind of wound form is hinged the expansion locking mechanism of extending arm |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070261355A1 (en) * | 2006-05-12 | 2007-11-15 | Carlisle Donald C | Tower sector frame antenna mount |
| US8860627B2 (en) * | 2007-09-24 | 2014-10-14 | Agence Spatiale Europeenne | Reconfigurable reflector for electromagnetic waves |
| CN103928742B (en) * | 2014-04-25 | 2016-01-20 | 哈尔滨工业大学 | The elastic force constraint of the inflating expanded parabolic antenna of a kind of fin-plate type launches controlling organization |
| CN106299594B (en) * | 2016-07-25 | 2019-01-01 | 东南大学 | Radial development formula individual soldier's radar |
-
2018
- 2018-05-25 CN CN201810516693.8A patent/CN108832254B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080090696A (en) * | 2007-04-05 | 2008-10-09 | 삼성전자주식회사 | Device for detecting position of antenna |
| CN104201481A (en) * | 2014-09-12 | 2014-12-10 | 哈尔滨工业大学 | Scissors fork linkage type foldable pillbox antenna mechanism |
| CN106410362A (en) * | 2016-11-09 | 2017-02-15 | 上海卫星工程研究所 | Stretching forming mechanism of parabolic cylinder |
| CN106742076A (en) * | 2016-11-16 | 2017-05-31 | 上海卫星工程研究所 | A kind of wound form is hinged the expansion locking mechanism of extending arm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108832254A (en) | 2018-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108832254B (en) | Satellite-borne parabolic cylinder antenna extension arm | |
| US20140263847A1 (en) | Solar arrays, deployment mechanisms therefor, and related methods | |
| JP6165147B2 (en) | Hinge mechanism for deploying and locking solar power generators and reflectors | |
| EP3587187A2 (en) | Vehicle and vehicle step apparatus | |
| CN103847983A (en) | Device for deploying and retracting a flexible structure, flexible deployable structure and satellite provided with such a device | |
| JP2012052539A (en) | Wind turbine and wind turbine blade assembly | |
| WO2020055500A9 (en) | Deployable explosive charge structure | |
| JP5156895B2 (en) | Tape cutter | |
| JP2001130495A (en) | Flap supporting mechanism and rotor blade with flap | |
| US20210381488A1 (en) | Wind turbine with vertical axis of rotation of the rotor and floating wind farm comprising a plurality of such wind turbines | |
| JP4810291B2 (en) | crane | |
| US6243053B1 (en) | Deployable large antenna reflector structure | |
| US11319093B2 (en) | Deployment mechanism for reflector antenna system | |
| CN206766325U (en) | Folding device and unmanned plane | |
| JPH07223597A (en) | Two-dimensional development structure body | |
| JP5262129B2 (en) | Holding device and flying body | |
| CN211789421U (en) | Folding and unfolding structure of log periodic antenna | |
| NL8202174A (en) | WINDMILL, ROTOR, ROTOR BLADE AND MAST FOR IT, AND METHOD FOR MANUFACTURING THE ROTOR BLADE. | |
| CN113682857B (en) | Large parabolic film structure winding and folding tool system and folding method | |
| CN210769674U (en) | Telescopic vortex generator, aircraft and wind driven generator | |
| EP3851386B1 (en) | An assembly apparatus | |
| CN103332613A (en) | Automatic folding and unfolding mechanism of folding arm of crane and folding and unfolding method of mechanism | |
| JP3707373B2 (en) | Shape control method for deformable truss structure | |
| KR102726715B1 (en) | Deployable reflector antenna | |
| CN109996751A (en) | lifting device for a wind turbine component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |