EP0696826A1 - System zur Führung eines mit einer Antenne verbundenen Kabels, wobei die Antenne auf einem mobilen Abschnitt eines Teleskopmastes montiert ist - Google Patents

System zur Führung eines mit einer Antenne verbundenen Kabels, wobei die Antenne auf einem mobilen Abschnitt eines Teleskopmastes montiert ist Download PDF

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Publication number
EP0696826A1
EP0696826A1 EP95401866A EP95401866A EP0696826A1 EP 0696826 A1 EP0696826 A1 EP 0696826A1 EP 95401866 A EP95401866 A EP 95401866A EP 95401866 A EP95401866 A EP 95401866A EP 0696826 A1 EP0696826 A1 EP 0696826A1
Authority
EP
European Patent Office
Prior art keywords
fixed
cable
section
return
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.)
Granted
Application number
EP95401866A
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English (en)
French (fr)
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EP0696826B1 (de
Inventor
Jean-Marie Cabrol
Jean-Pierre Alzas
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.)
Alcatel Lucent SAS
Original Assignee
GENERALE DE TELECOMMUNICATIONS INTERNATIONAL CGTI Cie
TELECOMMUNICATIONS INTERNATION
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 GENERALE DE TELECOMMUNICATIONS INTERNATIONAL CGTI Cie, TELECOMMUNICATIONS INTERNATION filed Critical GENERALE DE TELECOMMUNICATIONS INTERNATIONAL CGTI Cie
Publication of EP0696826A1 publication Critical patent/EP0696826A1/de
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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
    • H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
    • E04H12/182—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic telescopic

Definitions

  • the field of the invention is that of antennas mounted on telescopic masts and connected by cables to electronic transmitting and / or receiving modules. More specifically, the present invention relates to a cable guide system connected to an antenna mounted on a mobile section of a telescopic mast, this mast further comprising a fixed section relative to which the mobile section moves in translation.
  • the invention applies in particular to tactical antennas.
  • a helical winder system is usually used around the 'a mandrel.
  • the object of the present invention is in particular to remedy this drawback.
  • one of the objectives of the invention is to provide a system for guiding a cable, connected to an antenna mounted on a mobile section of a telescopic mast, avoiding the deterioration of this cable by excessive traction, twisting or bending , thus giving it a longer lifespan.
  • the antenna cable is hooked at least at several points to a traction cable over a fraction of its length, the traction cable being fixed. between a first fixing point located on the movable section and a second attachment point located at an intermediate point of the fixed section, the system further comprising a pulley carried by a carriage guided inside the fixed section and driven therein by the traction cable.
  • the system of the invention advantageously includes a carriage return mechanism allowing the telescopic mast to be deployed and folded in all positions.
  • the carriage return mechanism comprises a return cable fixed on the one hand to the base of the fixed section and on the other hand to the movable section, the return cable passing successively through a first return pulley fixed to the mobile carriage, by a second return pulley fixed to the base of the fixed section and by a third return pulley fixed to the upper end of the fixed section.
  • the carriage return mechanism comprises a return cable fixed by its two ends to the movable section, the return cable passing successively through a first deflection pulley fixed to the base of the fixed section, by a second return pulley fixed to the mobile carriage, by a third return pulley fixed at the base of the fixed section and by a fourth return pulley fixed at the upper end of the fixed section.
  • one of the return pulleys is advantageously coupled to a motor which also ensures the displacement in translation of the movable section relative to the fixed section.
  • Figure 1 is a schematic view of a telescopic antenna support mast, this mast being in the folded position, provided with the guide system of the invention.
  • Figure 2 shows the same mast in the deployed position.
  • the telescopic mast has a fixed section 10 and a mobile section 11.
  • the mobile section 11 consists of a lattice beam and can be driven, by means not shown, in translation relative to the fixed section 10, to deploy it and the enter the fixed section 10.
  • An antenna 12 is mounted on the movable section 11, at the end thereof.
  • the fixed section 10 is for example mounted on a vehicle or then fixed to the ground.
  • a cable antenna 13 connects antenna 12 to transmission equipment not shown and the movable section 11 is equipped with guide means 14, for example made up of rollers bearing on the fixed section 10.
  • the present invention proposes to hook the antenna cable 13 to a traction cable shown in FIG. 3 and referenced 30.
  • the antenna cable is shown in broken lines.
  • the traction cable 30 is fixed between a first fixing point 31 located on the movable section 11 (FIGS. 1 and 2) and a second fixing point 32 located at an intermediate point of the fixed section 10.
  • the traction cable 30 and, indirectly, the antenna cable 13 are guided by a pulley 15 carried by a carriage 16 provided with wheels and guided inside the fixed section 10.
  • the carriage 16 is driven in this section fixed by the traction cable 30 which supports the stresses.
  • the weight of the carriage is optimized so that the traction cable is partially wrapped around the pulley 15 during deployment and folding of the telescopic mast.
  • the traction cable can for example consist of a steel cable, a strap, a strap or a chain.
  • the pulley 15 is adapted to the nature of the traction cable: a toothed pulley, a smooth drum or any other device making it possible to guide the traction cable can be used.
  • the function of the traction cable is to ensure the movement of the carriage 16 while preventing the efforts of displacement of the carriage from being supported by the antenna cable 13.
  • the antenna cable is fixed to the traction cable at least at several points thereof, for example using clamps. It is also possible to use two traction cables extending parallel to each other and connected by a strap, for example made of stainless steel, this strip comprising means for clipping the antenna cable (s). According to another embodiment, the traction cable and the antenna cable (s) are included in a common sheath, sufficiently flexible so that a minimum force is supported by the cable (s) d 'antenna.
  • the latter may have an extra length relative to the traction cable, between the fixing points of this traction cable.
  • the antenna cable is fixed to the traction cable by means of collars, it is possible to provide a carriage pulley having two different diameters: a large diameter for the traction cable and a smaller diameter for the antenna cable. Passages for collars can also be provided on this pulley.
  • the device described so far is particularly suitable for antennas that are deployed or folded when it is in a position close to the vertical.
  • FIGS. 4 and 5 An antenna equipped with a first embodiment of this return mechanism is shown in FIGS. 4 and 5.
  • Figure 4 is a schematic view of a telescopic antenna support mast, this mast being in the folded position, provided with the guide system of the invention as well as a carriage return mechanism, Figure 5 representing the mast of Figure 4 deployed.
  • the return mechanism here comprises a return cable 40 shown in broken lines.
  • the return cable 40 is fixed on the one hand to the base of the fixed section 10, at a point 41, and on the other hand to the mobile section 11, for example at point 31.
  • the return cable 40 passes successively through a first return pulley 42 fixed to the movable carriage 16, by a second return pulley 43 fixed to the base of the fixed section 10 and by a third deflection pulley 44 fixed to the upper end of the fixed section 10.
  • This device is particularly advantageous for antenna masts which it is desired to be able to fold horizontally or in an inclined position, such as tactical masts.
  • one of the return pulleys 42 to 44 uses one of the return pulleys 42 to 44 to ensure the deployment and folding of the telescopic mast.
  • one of the deflection pulleys is coupled to a motor ensuring the displacement in translation of the movable section relative to the fixed section.
  • This pulley is, for example, that referenced 43 in FIGS. 4 and 5.
  • the return cable 40 in this case also performs a hoisting function of the mobile section, the return of the telescopic section being provided by the traction cable carried by the mobile carriage .
  • the carriage return mechanism comprises a return cable 60 fixed by its two ends to the movable section 11, at a first point referenced 61 and at a second point can be point 31.
  • the return cable 60 passes successively through a first deflection pulley 62 fixed to the base of the fixed section 10, by a second deflection pulley 63 fixed to the movable carriage 16, by a third deflection pulley 64 fixed to the base of the fixed section 10 and by a fourth deflection pulley 65 fixed to the upper end of the fixed section 10.
  • One of the return pulleys can also be coupled to a motor.
  • the return cable 60 can be wound over several turns around the pulley 64. Any motorized system can be used (electric, hydraulic winch, etc.). This ensures simultaneous deployment and folding of the telescopic mast and the return of the mobile carriage 16. This device works in all positions of the mast, whether vertical, horizontal or inclined.
  • the antenna cable (s) may be free between the antenna and the transmission equipment, but it will preferably be ensured that they are fixed to the first fixing point 31 and to the second fixing point 32, for example using clamps. cables.
  • the antenna cable can be a radio cable such as a coaxial cable, a flexible waveguide or an electric cable ensuring the supply of a demodulator installed near the antenna.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
EP19950401866 1994-08-12 1995-08-09 System zur Führung eines mit einer Antenne verbundenen Kabels, wobei die Antenne auf einem mobilen Abschnitt eines Teleskopmastes montiert ist Expired - Lifetime EP0696826B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9409995A FR2723665B1 (fr) 1994-08-12 1994-08-12 Systeme de guidage d'un cable relie a une antenne montee sur un troncon mobile d'un mat telescopique
FR9409995 1994-08-12

Publications (2)

Publication Number Publication Date
EP0696826A1 true EP0696826A1 (de) 1996-02-14
EP0696826B1 EP0696826B1 (de) 2000-01-26

Family

ID=9466297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950401866 Expired - Lifetime EP0696826B1 (de) 1994-08-12 1995-08-09 System zur Führung eines mit einer Antenne verbundenen Kabels, wobei die Antenne auf einem mobilen Abschnitt eines Teleskopmastes montiert ist

Country Status (3)

Country Link
EP (1) EP0696826B1 (de)
DE (1) DE69514730T2 (de)
FR (1) FR2723665B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2815476A1 (fr) * 2000-10-13 2002-04-19 Eurl Midi Pyrenees Antennes Dispositif de deplacement d'un mat mobile destine au support d'au moins une antenne
US8191322B2 (en) * 2007-10-11 2012-06-05 Frank Liestenfeltz Payload mast

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2098582A (en) * 1981-05-18 1982-11-24 Lansing Bagnall Ltd Industrial lift trucks and telescopic masts for such trucks
JPH05132299A (ja) * 1991-11-11 1993-05-28 Komatsu Forklift Co Ltd 荷役車両のマスト装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2098582A (en) * 1981-05-18 1982-11-24 Lansing Bagnall Ltd Industrial lift trucks and telescopic masts for such trucks
JPH05132299A (ja) * 1991-11-11 1993-05-28 Komatsu Forklift Co Ltd 荷役車両のマスト装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 17, no. 510 (M - 1480) 14 September 1993 (1993-09-14) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2815476A1 (fr) * 2000-10-13 2002-04-19 Eurl Midi Pyrenees Antennes Dispositif de deplacement d'un mat mobile destine au support d'au moins une antenne
US8191322B2 (en) * 2007-10-11 2012-06-05 Frank Liestenfeltz Payload mast

Also Published As

Publication number Publication date
FR2723665A1 (fr) 1996-02-16
FR2723665B1 (fr) 1996-09-13
EP0696826B1 (de) 2000-01-26
DE69514730T2 (de) 2000-08-17
DE69514730D1 (de) 2000-03-02

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