EP0515888B1 - Anordnung zum Stützen und Ausrichten von Antennen oder Teleskopen - Google Patents

Anordnung zum Stützen und Ausrichten von Antennen oder Teleskopen Download PDF

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Publication number
EP0515888B1
EP0515888B1 EP92107916A EP92107916A EP0515888B1 EP 0515888 B1 EP0515888 B1 EP 0515888B1 EP 92107916 A EP92107916 A EP 92107916A EP 92107916 A EP92107916 A EP 92107916A EP 0515888 B1 EP0515888 B1 EP 0515888B1
Authority
EP
European Patent Office
Prior art keywords
arrangement
legs
telescopes
telescope
frame
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.)
Expired - Lifetime
Application number
EP92107916A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0515888A1 (de
Inventor
Berry Dipl.-Phys. Smutny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Telecom GmbH
Original Assignee
ANT Nachrichtentechnik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ANT Nachrichtentechnik GmbH filed Critical ANT Nachrichtentechnik GmbH
Publication of EP0515888A1 publication Critical patent/EP0515888A1/de
Application granted granted Critical
Publication of EP0515888B1 publication Critical patent/EP0515888B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01Q1/12—Supports; Mounting means
    • H01Q1/125—Means for positioning

Definitions

  • the invention relates to an arrangement for supporting and aligning antennas or telescopes, in particular for space applications, according to the preamble of patent claim 1.
  • the weight for the arrangement for supporting and aligning the telescope can be significantly reduced.
  • the alignment mechanism is based on changing the length of the six legs of the Hexapod. If the length of the legs can be changed over a large area, the support and alignment arrangement, the hexapod, can also be used as an extension unit for extending the telescope. To do this, change the length of the six legs at the same time.
  • the advantage of using a frame in the form of a hexapod not only to support and align a telescope, but also to use the frame as an extension unit, is that in applications with unfavorable satellite geometries, the telescope can be extended far and then no longer by other structures in its viewing angle is restricted on the satellite.
  • a starting position is provided according to the invention, in which the alignment mechanism is blocked in a defined manner (English: launch lock). According to the invention, this is achieved by internally bracing the individual legs.
  • FIG. 1 An arrangement according to the invention, such as could be mounted on a satellite platform 2, for example, is shown in FIG.
  • a telescope 1 is attached to a rigid support plate 10 via a rotation and deflection mechanism 5.
  • the outline of the carrier plate 10 corresponds to an equilateral hexagon.
  • An optical bench 3 is attached below the carrier plate.
  • One end of a leg 6 is attached to each of the six corners of the carrier plate.
  • the six legs are adjustable in length. They are each attached to the carrier plate 10 via a ball joint. At the other end, the legs 6 are combined in pairs and via ball joints with the satellite platform 2, which Base area forms, connected.
  • the six adjustable legs form the hexapod frame.
  • the structure of the individual legs is shown in Figure 2.
  • a leg 6 consists of an inner tube 8 and an outer tube 9.
  • the inner tube can be moved with respect to the outer tube by piezoelectric linear motors 11. These are attached to the outer tube and move on the smooth, precisely machined outer surface of the inner tube 8. At the ends of the legs 6 there is in each case a ball joint 7.
  • the legs are on one side with the satellite platform 2 and on the other side connected to the support plate 10 which carries the telescope 1.
  • the inner tube 8 of the legs on the outer surface of which the piezoelectric linear motors, also called inchworm motors, move, is advantageously a PEEK tube and has a very good sliding surface.
  • the outer tube 9 is braced against the stop disk 14 by means of the piezoelectric linear motors. This significantly increases the strength of the overall structure during the starting process.
  • the surface of the stop disk 14 can be coated with steel wool, for example, in order to ensure high damping, friction and elasticity.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Telescopes (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
EP92107916A 1991-05-29 1992-05-12 Anordnung zum Stützen und Ausrichten von Antennen oder Teleskopen Expired - Lifetime EP0515888B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4117538A DE4117538C1 (enrdf_load_stackoverflow) 1991-05-29 1991-05-29
DE4117538 1991-05-29

Publications (2)

Publication Number Publication Date
EP0515888A1 EP0515888A1 (de) 1992-12-02
EP0515888B1 true EP0515888B1 (de) 1995-08-09

Family

ID=6432690

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92107916A Expired - Lifetime EP0515888B1 (de) 1991-05-29 1992-05-12 Anordnung zum Stützen und Ausrichten von Antennen oder Teleskopen

Country Status (3)

Country Link
EP (1) EP0515888B1 (enrdf_load_stackoverflow)
DE (2) DE4117538C1 (enrdf_load_stackoverflow)
ES (1) ES2077288T3 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2561551C2 (ru) * 2010-04-08 2015-08-27 Биа Гексаподная платформа и силовой цилиндр, который может быть использован в гексаподной платформе

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997012806A1 (de) * 1995-10-04 1997-04-10 Österreichische Raumfahrt- Und Systemtechnik Gesellschaft Mbh Antriebseinrichtung zum verstellen von zu orientierenden bauteilen eines satelliten
CN1079042C (zh) * 1997-09-19 2002-02-13 中国科学院沈阳自动化研究所 一种并联结构数控机床的并联机构
FR2773890B1 (fr) * 1998-01-22 2001-11-23 Aerospatiale Ensemble integre et compact de montage isostatique et de correction de position d'un organe, tel qu'un miroir, d'un telescope spatial
DE19961774A1 (de) * 1999-12-21 2001-07-12 Bosch Gmbh Robert Vorrichtung zum Einstellen eines Richtstrahlsystems
DE10109343C2 (de) * 2001-02-27 2003-01-30 Siemens Ag Antennenanordnung mit mindestens zwei Antennenelementen oder mit einem verformbaren Antennenelement
FR2825445B1 (fr) 2001-05-31 2004-02-13 Innovation Technologie Conseil Procede d'orientation d'une tourelle hexapode
ES2231026A1 (es) * 2003-10-27 2005-05-01 Ramem, S.A. Posicionador tipo hexapodo para seguimiento solar de reflectores solares.
US7982951B1 (en) 2010-11-08 2011-07-19 Robert Innes Digital tracking platform for telescopes
CN104090359A (zh) * 2014-07-10 2014-10-08 中国科学院国家天文台南京天文光学技术研究所 在极端环境下工作的五自由度天文望远镜副镜调整机构

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3229941A (en) * 1962-06-04 1966-01-18 Suliteanu Menahem Antenna support
US3902084A (en) * 1974-05-30 1975-08-26 Burleigh Instr Piezoelectric electromechanical translation apparatus
US3902085A (en) * 1974-11-25 1975-08-26 Burleigh Instr Electromechanical translation apparatus
EP0266026A1 (en) * 1986-08-01 1988-05-04 HER MAJESTY THE QUEEN in right of New Zealand Department of Scientific and Industrial Research Tracking antenna mount

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2561551C2 (ru) * 2010-04-08 2015-08-27 Биа Гексаподная платформа и силовой цилиндр, который может быть использован в гексаподной платформе

Also Published As

Publication number Publication date
EP0515888A1 (de) 1992-12-02
DE4117538C1 (enrdf_load_stackoverflow) 1992-07-09
ES2077288T3 (es) 1995-11-16
DE59203178D1 (de) 1995-09-14

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