EP0235561B1 - Support d'antenne à micro-ondes à réflecteur parabolique à orientation réglable en élévation - Google Patents

Support d'antenne à micro-ondes à réflecteur parabolique à orientation réglable en élévation Download PDF

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Publication number
EP0235561B1
EP0235561B1 EP87101080A EP87101080A EP0235561B1 EP 0235561 B1 EP0235561 B1 EP 0235561B1 EP 87101080 A EP87101080 A EP 87101080A EP 87101080 A EP87101080 A EP 87101080A EP 0235561 B1 EP0235561 B1 EP 0235561B1
Authority
EP
European Patent Office
Prior art keywords
bolt
accordance
pivot element
legs
antenna
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
EP87101080A
Other languages
German (de)
English (en)
Other versions
EP0235561A1 (fr
Inventor
Günter Dobler
Birgit Nelhübel
Hermann Rothlübbers
Hans Reimold
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.)
Hirschmann Electronics GmbH and Co KG
Original Assignee
Hirschmann Electronics GmbH and Co KG
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 Hirschmann Electronics GmbH and Co KG filed Critical Hirschmann Electronics GmbH and Co KG
Priority to AT87101080T priority Critical patent/ATE66317T1/de
Publication of EP0235561A1 publication Critical patent/EP0235561A1/fr
Application granted granted Critical
Publication of EP0235561B1 publication Critical patent/EP0235561B1/fr
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
    • H01Q1/12—Supports; Mounting means
    • H01Q1/125—Means for positioning

Definitions

  • the invention relates to a device for fastening a microwave antenna with a surface reflector on a standpipe, with a holding part attached to the rear of the surface reflector, which is opposite to a U-shaped swivel part which can be fastened to the standpipe by means of an adjustable screwing device for adjusting the angle of the antenna by one Axis of rotation is pivotable, which extends horizontally through the mutually parallel interlocking legs of the holding part and the pivoting part perpendicular to the main beam direction of the antenna.
  • Such a device as can be used in particular for holding smaller parabolic antennas for satellite radio reception, is already known from DE-OS 31 27 855.
  • the swivel device is complicated due to the many individual parts (screw connections, mounting brackets for the screw spindles) on the one hand in terms of material requirements and manufacture and on the other hand, in particular with regard to the setting of the elevation angle, complicated to use.
  • an additional manufacturing effort is required because the holder must be attached to the reflector.
  • the holding part can be separated from the pivoting part in this known device; however, loose parts result in the packaging and the assembly effort of the holding device is further increased.
  • the device known from DE-OS 19 56 172 of the above Art is because of the high manufacturing costs due to the many screw connections, the required fastening device for connection to the reflector, and the complicated structure of the pivot device with rotatably mounted cross bolt and pinned screw relatively expensive.
  • this version has a large packaging depth because the side parts of the swivel part must be as wide as possible so that a sufficiently large adjustment range of the elevation angle can be reached.
  • the invention has for its object to provide a device of the type mentioned, which is simple and inexpensive to build, has a small packaging size without losing parts and allows quick and permanently safe assembly and adjustability of the elevation angle.
  • the holding part consists of two ribs parallel to one another and to the main beam direction, integral with the surface reflector, as the axis of rotation only a continuous bolt is provided, onto which the swivel part can be locked and that a rib at a distance from Axis of rotation a threaded pin is articulated, on which a nut can be rotated to adjust the elevation angle of the antenna, said nut engaging with an annular bead in a slot of the pivoting part.
  • the device according to the invention can already be produced simply and inexpensively due to the one-piece construction of the holding part and surface reflector and the part-saving, uncomplicated construction of the swivel device. Due to the pivoting part which can be plugged and locked onto the bolt representing the axis of rotation, the assembly is also extremely simple and quick to carry out. In addition, due to the separation of the swivel part with mast fastening clamp from the holding part integral with the surface reflector, the antenna has a small packaging size and no loose parts that can be lost.
  • the setting of the elevation angle is advantageous with very little effort, namely only by means of a threaded rod with a nut designed expediently as a manually operable handle knob, without lock nuts, rotatable cross bolts or the like. enables, while still a quick, yet precise and safe angle adjustability is guaranteed.
  • the bolt forming the axis of rotation can also be used as a handle, with which the antenna can be transported very easily by hand, particularly in the case of larger reflector dimensions.
  • an expedient embodiment of the swivel part and bolt is specified, which enables simple assembly without loosening parts (eg screw connections).
  • the swivel part in the case of an embodiment according to claim 2 with the legs between the ribs and clamps
  • the swivel part only needs to be plugged onto the bolt with the key-shaped recesses, which after release by the force of the compression spring slides back into the starting position in which the swivel part is rotatably attached to the bolt.
  • the one in which the bolt is axially displaced under spring force is generally more favorable.
  • an annular groove if possible With. conical end faces
  • an equivalent constriction may be provided.
  • the swivel part can be plugged on particularly easily and quickly if the keyhole-shaped recesses have an enlarged section on the open end part which serves as an insertion aid.
  • An embodiment according to claim 6 ensures in a simple manner that the key surfaces are always in the desired angular position.
  • a simple version e.g. a square head and a nose resting thereon may be provided.
  • a design according to claim 7 is cheaper, in which the hook lies in the groove in the operating state and thereby ensures the protection against rotation, while in the assembled state it rests on one of the groove walls (the amount of the desired axial displacement of the Bolzens corresponds) and thereby frees the fitter both hands for further assembly work.
  • the embodiment of the device according to the invention described in claim 10 advantageously results in a flawless guidance when adjusting the elevation in a large angular range and a support of the pivoting part on the ribs of the reflector and, by increasing the stability of the device, also results in flawless adjustability even with large antenna weights and / or wind loads and - together with the measures according to claim 2 - permanent exact compliance with the set elevation angle within very narrow limits.
  • an effective securing of the screw connection is achieved in a simple and extremely cost-effective manner without additional, possibly lost, parts.
  • the attachment of a scale according to claim 15 is particularly expedient for the rapid adjustment of the desired antenna inclination.
  • FIGS. 2 to 4 show an embodiment of the device according to the invention in a satellite receiving antenna with a parabolic mirror, e.g. for the reception of DBS satellite programs, whereby the parabolic reflector is only partially shown due to its size.
  • 1 shows a partially sectioned view of the rear of the antenna mounted on the standpipe and
  • FIGS. 2 to 4 partially sectioned views according to the section lines shown in FIG.
  • the device consists of a U-shaped swivel part 1, two mutually parallel, integral with the parabolic reflector 2 and projecting from the rear wall in the direction of the reflector axis A (identical to the main beam direction) ribs 3, one of the ribs 3 and the legs 4, 5 of the Passing swivel part 1, forming a horizontal axis of rotation D running perpendicular to the reflector axis A, forming cylindrical bolt 6, a device 7 for adjusting the elevation angle of the microwave antenna and a mast screw 8 for fastening the swivel part 1 to a standpipe 9.
  • the mast screw connection 8 consists of a U-shaped bracket 10 which, with its free arms designed as threaded bolts, passes through the base part 11 of the pivoting part 1 and comprises the standpipe 9, and a counter clamp 12, which is pressed onto the standpipe 9 with wing nuts 13 when the device is mounted becomes.
  • the base part 11 of the swivel part 1 has a V-shaped recess 14 at the upper and lower ends, on the side walls of which the standpipe 9 rests, and in the central region a wide trough-shaped recess 15, at the bottom of which the base part of the bracket 10 rests for its stabilization .
  • the bracket 10 is held on the leg part 1 by a partially encompassing tab 16 that is pressed out of the base part 11 of the pivoting part 1 and bent accordingly.
  • the counter clamp 12 lies with two edges 17 of a rectangular recess 18 on the standpipe 9. In this way, twisting from the desired position in the azimuthal direction, in particular when the wing nuts 13 are often unavoidable in practice, is effectively avoided.
  • the swivel part 1 with the mast screw 8 is separated from the rest of the device, so that the antenna has a minimal packaging size.
  • the bolt 6 passes through central bores of the ribs 3, not visible in the figures, and one clamp clamp 19 each arranged on the inside of the ribs, each of which can be pressed against the ribs 3 by means of two screws 20 and wing nuts 21.
  • the screws 20 have hexagon heads 22, on the one surface of which a nose 23 pressed out of the clamps 19 bears against rotation, so that the screw connections can be handled without tools.
  • One end section of the bolt 6 carries a compression spring 24 which surrounds it closely and which is supported on the one hand on the outer surface of the rib 3 and on the other hand with an end turn of smaller diameter on the outer end face of an annular groove 25 of the bolt 6.
  • a compression spring 24 which surrounds it closely and which is supported on the one hand on the outer surface of the rib 3 and on the other hand with an end turn of smaller diameter on the outer end face of an annular groove 25 of the bolt 6.
  • an equivalent locking ring or a similar device could be provided instead of the groove 25.
  • the other end section of the bolt 6 is designed as a hook 26 angled by 90 ° to the axis D with an approximately rectangular cross section, which is secured against rotation in a through on the outer wall of a Rib 3 formed side walls 27 formed groove 28 is.
  • the legs 4, 5 of the swivel part 1 each have a keyhole-shaped, open at the beard end recess 29, the circular inner part 30 has a slightly larger diameter than the bolt 6, while the width of the inner beard-shaped section 31 is significantly smaller than the bolt diameter and the outer section 32 is significantly wider as an insertion opening.
  • a slot 33 is provided, in which an annular bead 34 engages in the operating state of the antenna, which is part of a handwheel 35 which can be screwed onto a threaded spindle 36, which at the other end has a tab 37 on one of the screws 20 is articulated.
  • the bolt 6 Approximately at the level of the passage through the ribs 3, the bolt 6 has two identical incisions with mutually opposite, parallel ones Key surfaces 38 and end surfaces 39 which extend obliquely to the axis D and laterally delimit the key surfaces 38.
  • the width across flats is slightly smaller than the width of section 31 of recesses 29.
  • the swivel part 1 is automatically locked in such a way that, when plugging in, the shoulders 41 of the recesses 29 first slide along the inclined end faces 39 of the incisions of the bolt 6 and move it against the force of the spring 24 to such an extent that the narrow section 31 of the recesses 29 can slide past the key faces 38 until the inner circular part 30 comprises the bolt 6, which then moves axially outwards by the spring force to such an extent that the pivot part 1 can be rotated about the axis D and is firmly connected to the ribs 3 in the radial direction .
  • the linear (and not punctiform) abutment of the shoulders 41 on the inclined end faces 39 ensures that the sliding operation is always safe.
  • the lateral end faces 42, 43 of the legs 4, 5 of the pivoting part 1 are circular towards the axis of rotation D towards the free end and are adapted to corresponding circular end faces 44, 45 each of a raised portion 46 provided on the inside of the ribs 3. In this way, safe guidance and support is achieved even with strong mechanical loads on the swivel joint by wind pressure or heavy parabolic mirrors, so that clean adjustability and a permanent setting value are ensured.

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  • Support Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Details Of Aerials (AREA)

Claims (15)

  1. Support d'antenne à micro-ondes à réflecteur parabolique, pour fixation sur un poteau, avec un élément de maintien, qui est disposé à l'arrière du réflecteur parabolique et qui, afin de régler l'angle d'élévation de l'antenne, peut pivoter autour d'un axe de rotation au moyen d'un dispositif de raccord à vis ajustable, par rapport à une pièce pivotante en forme de U pouvant être fixée sur le poteau, tandis que l'axe de rotation traverse horizontalement les montants, parallèles et pris les uns dans les autres, de l'élément de maintien et de la pièce pivotante, perpendiculairement au sens principal de rayonnement de l'antenne,
    caractérisé en ce que
    l'élément de maintien se compose uniquement de deux montants parallèles entre eux et parallèles au sens principal de rayonnement, ayant la forme de nervures (3) formant un ensemble avec le réflecteur parabolique (2),
    en ce qu'il est prévu comme axe de rotation uniquement un boulon traversant (6) sur lequel peut se monter et se verrouiller la pièce pivotante (1) et
    en ce que, sur une nervure (3), à distance de l'axe de rotation (D), est articulé un goujon fileté (46) blocable sur lequel, pour régler l'angle d'élévation de l'antenne, peut tourner un écrou (35) qui, par un bourrelet circulaire (34), vient en prise dans une fente (33) de la pièce pivotante (1).
  2. Support selon la revendication 1, caractérisé en ce que chaque montant (4, 5) de la pièce pivotante (1) peut être comprimé sur une grande surface, contre une nervure (3), à l'aide d'un collier de serrage (19) et de deux boulonnages (20, 21).
  3. Support selon la revendication 2, caractérisé en ce que le goujon fileté (36) est articulé sur l'un des quatre boulonnages (20, 21) et peut y être bloqué.
  4. Support selon l'une des revendications 1 à 3, caractérisé en ce que les deux montants (4, 5) de la pièce pivotante (1) présentent chacun un creux (29) en forme de trou de serrure, ouvert à l'extrémité située côté panneton, l'extrémité intérieure ronde (30) de ce creux étant d'un diamètre légèrement inférieur au boulon (6), et en ce que ce dernier (6), en position de fonctionnement du support, dépasse vers l'extérieur au-delà des deux nervures (3), en ce qu'il présente à une extrémité un ressort à compression (24) qui l'entoure et qui s'appuie d'un côté sur la surface extérieure d'une des nervures (3) et de l'autre sur le boulon (6) lui-même ou sur un dispositif de maintien fixé sur ce dernier, en ce qu'à l'autre extrémité, il est en contact, par une partie tête (26), avec la surface extérieure de l'autre nervure (3) et qu'il présente deux surfaces de clé parallèles se faisant face l'une l'autre (38), dont les cotes sur plats sont légèrement inférieures à la partie panneton (31) des creux (29), et qui sont disposées de telle manière qu'en position de fonctionnement, elles sont décalées soit dans le sens axial, soit d'un angle compris entre 10° et 170° environ pour l'ouverture d'introduction des creux (29) et que, pour le montage de la pièce pivotante (1) sur le boulon (6) et pour son démontage, de par le déplacement du boulon (6) contre la force du ressort à compression (24) ou de par la rotation de l'angle cité, elles sont tournées, au niveau de l'un des deux côtés étroits, vers l'ouverture d'introduction des creux (29).
  5. Support selon la revendication 4, caractérisé en ce que la partie panneton des creux (29) présente un tronçon extérieur d'introduction (32), dont la largeur est nettement plus grande que la largeur du tronçon intérieur (31) et que le diamètre du boulon (6).
  6. Support selon la revendication 4 ou la revendication 5, caractérisé en ce que la partie tête (26) du boulon (6) peut être fixé de manière à éviter les torsions.
  7. Support selon la revendication 6, caractérisé en ce que la partie tête est un crochet (26), qui dépasse du boulon (6) radialement et perpendiculairement aux surfaces de clé (38), et dont la largeur est un peu plus petite que celle d'une rainure moulée d'un seul bloc à la surface extérieure de l'autre nervure (3) et allant dans le sens d'introduction de la pièce pivotante (1).
  8. Support selon l'une des revendications 4 à 7, sur lequel le boulon, pour le verrouillage de la pièce pivotante, est déplacé axialement, caractérisé en ce que les surfaces frontales latérales (29) de chaque surface de clé (38) sont obliques par rapport à l'axe du boulon (D), avec des angles identiques, de telle manière que lors du montage de la pièce pivotante (1) sur le boulon (6), ce dernier est déplacé contre la force du ressort à compression (24).
  9. Support selon l'une des revendications 1 à 3, caractérisé en ce que les deux montants (4, 5) de la pièce pivotante (1) présentent chacun un creux ouvert vers la face frontale, la largeur de ce creux étant un peu plus grande que le diamètre du boulon, et en ce que, sur leur côté tourné vers la nervure correspondante, ils présentent une rondelle de sûreté fixe qui bloque la pièce pivotante dans le sens radial.
  10. Support selon l'une des revendications 1 à 9, caractérisé en ce que les surfaces frontales latérales (42, 43) des montants (4, 5) de la pièce pivotante (1) ont une forme circulaire par rapport à l'axe de rotatlon (D) et que les surfaces intérieures des nervures, tournées vers les montants (4, 5), présentent des reliefs (46) avec des surfaces frontales (44, 45) de forme circulaire, correspondant aux surfaces frontales latérales (42, 43).
  11. Support selon l'une des revendications 1 à 10, caractérisé en ce que les têtes de vis (22) des boulonnages (20, 21) ont une forme polygonale et en ce qu'une de leurs arêtes appuie sur une attache (23) ressortant du collier (19) correspondant.
  12. Support selon l'une des revendications 1 à 11, caractérisé en ce que la pièce pivotante (1) peut être fixée au poteau (9) au moyen d'un étrier en U (10) avec deux tiges filetées entourant le poteau (9) ainsi qu'avec un contre-collier (12) pouvant se déplacer dessus au moyen d'ecrous (13), tandis que le poteau (9) est en contact avec deux points d'un enfoncement en V (14) de la base (11) de la pièce pivotante (1) et que le contre-collier (12) présente sur le côté tourné vers le poteau (9) un creux (18) ouvert vers ce dernier avec deux arêtes d'appui (17), dont la distance est égale à environ la moitié de celle des points d'appui de l'enfoncement en forme de V (14).
  13. Support selon la revendication 12, caractérisé en ce que, sur la face extérieure de l'enfoncement en forme de V (14), une attache (16) ressort de la base (11) de la pièce pivotante (1) et a une forme cintrée circulaire telle qu'elle entoure l'étrier en U (10) sur un peu plus de la moitié de sa circonférence.
  14. Support selon la revendication 12 ou la revendication 13, caractérisé en ce que la base (11) de la pièce pivotante (1) présente un enfoncement en forme de bac, au fond duquel porte la base de l'étrier (10).
  15. Support selon l'une des revendications 1 à 14, caractérisé en ce qu'au moins sur un montant (5) de la pièce pivotante, est disposé une graduation (40), dont chaque trait, lorsqu'il est aligné avec l'arête frontale de la nervure (3) tournée vers le poteau (9), indique l'angle d'élévation.
EP87101080A 1986-02-24 1987-01-27 Support d'antenne à micro-ondes à réflecteur parabolique à orientation réglable en élévation Expired - Lifetime EP0235561B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87101080T ATE66317T1 (de) 1986-02-24 1987-01-27 Vorrichtung zur befestigung einer mikrowellenantenne mit in der elevation einstellbarem flaechenreflektor.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3605860 1986-02-24
DE3605860A DE3605860C1 (de) 1986-02-24 1986-02-24 Vorrichtung zur Befestigung einer Mikrowellenantenne mit in der Elevation einstellbarem Flaechenreflektor

Publications (2)

Publication Number Publication Date
EP0235561A1 EP0235561A1 (fr) 1987-09-09
EP0235561B1 true EP0235561B1 (fr) 1991-08-14

Family

ID=6294800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87101080A Expired - Lifetime EP0235561B1 (fr) 1986-02-24 1987-01-27 Support d'antenne à micro-ondes à réflecteur parabolique à orientation réglable en élévation

Country Status (5)

Country Link
EP (1) EP0235561B1 (fr)
AT (1) ATE66317T1 (fr)
DE (2) DE3605860C1 (fr)
DK (1) DK168139B1 (fr)
ES (1) ES2025071B3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0146594B1 (ko) * 1995-11-13 1998-08-17 배순훈 위성안테나의 위치조정장치
SE506201C2 (sv) * 1996-03-04 1997-11-24 Cue Dee Produkter Ab Sätt och anordning för montering av en riktantenn i inställbart lutningsläge
IT1293337B1 (it) * 1997-03-28 1999-02-25 Tele System Electronic Spa Strutttura di supporto universale particolarmente di una antenna parabolica finalizzata alla regolazione almeno dell'azimut.
JP3047856B2 (ja) * 1997-05-12 2000-06-05 日本電気株式会社 アンテナ方向調整装置
EA019799B1 (ru) * 2011-10-26 2014-06-30 Закрытое Акционерное Общество "Голлард" Устройство для удаленного видеонаблюдения в полевых условиях
CN111609339A (zh) * 2019-02-26 2020-09-01 成都圣路电器有限公司 一种仰角可调的led路灯
CN112259953B (zh) * 2020-10-19 2022-08-26 西安电子工程研究所 天线副反射面多自由度快速调节器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2964281A (en) * 1959-01-21 1960-12-13 Union Metal Mfg Co Retractable arm construction
DE1266371B (de) * 1961-04-20 1968-04-18 Photokino Ges Mit Beschraenkte Mastschelle zur schwenkbaren Anbringung eines Antennentraegers an einem Mast
DE1956172A1 (de) * 1969-11-07 1971-05-13 Siemens Ag Vorrichtung zur Befestigung einer Antennenanordnung
DE3127855A1 (de) * 1981-07-15 1983-06-30 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Halterung fuer eine in azimut- und elevationsrichtung schwenkbare parabolantenne
FR2538173A1 (fr) * 1982-12-20 1984-06-22 Sicart Dispositif d'orientation omnidirectionnelle d'une antenne

Also Published As

Publication number Publication date
DE3772067D1 (de) 1991-09-19
DE3605860C1 (de) 1987-08-20
DK90187A (da) 1987-08-25
DK168139B1 (da) 1994-02-14
ES2025071B3 (es) 1992-03-16
EP0235561A1 (fr) 1987-09-09
ATE66317T1 (de) 1991-08-15
DK90187D0 (da) 1987-02-23

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