EP1723692B1 - Device comprising a telescope elevating mast for a sensing head - Google Patents

Device comprising a telescope elevating mast for a sensing head Download PDF

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Publication number
EP1723692B1
EP1723692B1 EP05717004A EP05717004A EP1723692B1 EP 1723692 B1 EP1723692 B1 EP 1723692B1 EP 05717004 A EP05717004 A EP 05717004A EP 05717004 A EP05717004 A EP 05717004A EP 1723692 B1 EP1723692 B1 EP 1723692B1
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EP
European Patent Office
Prior art keywords
sensor head
elevator device
telescopic mast
mast
vehicle
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EP05717004A
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German (de)
French (fr)
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EP1723692A1 (en
Inventor
Bruno THALES Intellectual Property AVIGNON
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Thales SA
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Thales SA
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Priority to PL05717004T priority Critical patent/PL1723692T3/en
Publication of EP1723692A1 publication Critical patent/EP1723692A1/en
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    • 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

Definitions

  • the present invention relates to an elevator device for a sensor head, and is particularly applicable to sensors of the optronic sensor or radar antenna type intended to be mounted on mobile surveillance vehicles.
  • telescopic poles at the end of which are fixed sensor heads, for example optronic heads (camera type), or radar antennas, mounted on platforms. forms at the end of the mast.
  • the mast In monitoring mode, the mast is deployed, allowing an extended field of view for the sensor head, and then the sensor head support platform can be lowered back to a storage position.
  • the mechanical structure formed of the mast and the support platform of the sensor head is designed to maintain a very good rigidity to ensure the stability of the sensor.
  • the sliding elements of the telescopic mast are formed of tubes fitting into each other, to ensure the desired rigidity structure.
  • the mast may be installed outside the vehicle, or on a base secured to the floor inside the vehicle. In this latter, the mast is deployed through the roof, for example by a hatch.
  • the current systems are not compact enough to be fully integrated between the floor and roof of most standard vehicles.
  • the platform on which the sensor head is mounted remains exposed to the outside of the vehicle. This vehicle is not trivialized; however, most monitoring missions of such systems impose the maximum of discretion.
  • the sensor remains exposed to bad weather or aggression.
  • the present invention provides a lifting device for sensor head with an original mechanical structure to reduce the size of the folded system while maintaining a very high rigidity and excellent deployment height.
  • the invention proposes a lifting device for sensor head, comprising a telescopic mast with a set of sliding elements relative to each other, including a base element intended to be fixed on a support, an upper element supporting said head sensor, characterized in that said sensor head is slidably mounted with respect to said upper element, so that in the folded position of the telescopic mast, the sensor head can slide in a storage position in which the upper end of the sensor head does not exceed the upper end of said upper element.
  • the drive mechanism of the telescopic mast is an electric retractor mechanism, with advantages in terms of simplicity and cost.
  • FIG. 1 shows a vehicle 100 equipped with a sensor head 3 mounted on a platform 121 at the upper end of a lifting device 1, according to a first exemplary embodiment.
  • the sensor 3 is for example an optronic sensor, a radar antenna, or any type of sensor for monitoring or control applications.
  • a lifting device which can be folded when the sensor is not used, is particularly advantageous for installation on mobile vehicles, on which the size of the device is a critical point.
  • the elevator device 1 is mounted on the floor 101 of the vehicle.
  • the vehicle has in its roof 102 an opening 103 through which the lifting device can be deployed, as is the case in FIG.
  • the device according to the invention has an original architecture allowing to gain considerably in size of the lifting device when folded.
  • it comprises a telescopic mast 11 with a set of sliding elements relative to each other, including a base member 110 to be fixed on a support, in this example the floor 101 of the vehicle, an upper element 112 supporting said sensor head, and between the two possible intermediate elements 111.
  • the sensor head 3 is intended to be slidably mounted relative to the upper element 112, so that in the folded position of the mast telescopic, the sensor head can slide into a storage position in which the high end noted 31 of the sensor head does not exceed the upper end 113 of the upper element 112.
  • the upper element 112 slides along the immediately lower element and the sensor head is mounted on a support element 12 sliding along the upper element 112, the grout element
  • the sensor head can be completely retracted inside. of the vehicle in the folded position of the device, for protecting and concealing it.
  • a hatch is for example designed to close the roof at the opening 103.
  • a sealing shaft 104 can be attached to the vehicle, to isolate the interior of the vehicle from the outside (the mast and the sensor head remain then permanently outside the vehicle).
  • FIGS. 2A and 2B show in more detail the production of a lifting device according to the example of FIG. 1.
  • FIG. 2A corresponds to an extended position of the device
  • FIG. 2B corresponds to a folded position of the latter.
  • the sliding elements forming the telescopic mast have an I-shaped section, forming sliding plates relative to each other, with a partial overlap in the deployed position in order to keep for the mechanical structure of the mast as rigidity as good than in the devices of the prior art.
  • FIG. 1 corresponds to an extended position of the device
  • FIG. 2B corresponds to a folded position of the latter.
  • the sliding elements forming the telescopic mast have an I-shaped section, forming sliding plates relative to each other, with a partial overlap in the deployed position in order to keep for the mechanical structure of the mast as rigidity as good than in the devices of the prior art.
  • the base element 110 designed to be fixed on a support, is thus represented from bottom to top, the substantially identical intermediate elements 111, and, at the top of the mast, the upper element 112 intended to receive a sensor head slidably mounted, for example by means of a support member 12 sliding in the upper member 112, and formed in this example of the sliding carriage 122 on which is mounted the platform 121 for the sensor head.
  • FIGS 2A and 2B show a particularly advantageous variant of the drive mechanism, based on a so-called winding mechanism.
  • the retractor mechanism comprises according to this variant a strap 20, a set of rollers or pulleys 21, a winder 22 of the strap.
  • the pulleys are arranged on the high and low parts of the various elements. To ensure the strength of the straps, they can be reinforced with reinforcing material, eg Kevlar ® .
  • the roller mechanism can also be based on the use of a chain and sprockets. The advantage of a reel mechanism is that it allows in particular a very good reliability of the mechanism and a great simplicity of implementation and maintenance.
  • the motor used for the winder is a so-called “intelligent” motor, the torque of which is programmable according to the rise cycle of the sensor head, enabling the head to be mounted without jerking or jamming, at a substantially constant speed, This is particularly important when looking for fast rise speeds of the sensor head.
  • An encoder can also be provided on the engine, for transmitting to a computer the position of the sensor head, according to the number of revolutions made by the engine.
  • FIG. 3 represents a variant of a lifting device 1 according to the invention, in deployed mode.
  • the elements forming the telescopic mast have a U-shaped section, the device comprising a support element 12 for the sensor head, with a section also U-shaped, sliding on the upper element 112.
  • This structure This has the advantage of excellent rigidity due to the partially encompassing shape of the elements relative to each other.
  • the sensor head slides inside the telescopic mast. It is not necessary to obtain the desired rigidity that the elements are closed in the form of a tube.
  • the U-shaped section is sufficient to provide rigidity, while lightening the structure with respect to a structure formed of tube-shaped elements whose diameters should be sufficient to leave room for the sensor head in its storage position .
  • an electrical drive mechanism with straps or chains can also be implemented, of the same type as that described above, with a winder 22 of a strap 20, wrapping around rollers or pulleys 21, arranged on the sliding elements of the telescopic mast.
  • an "intelligent" motor is used, in particular for applications requiring short rise times of the sensor head.
  • FIGS. 4A and 4B show two of said elements of the telescopic mast 11 as shown in FIG. 3.
  • FIG. 4A represents the base element 110 with a base 40 intended to be fixed to a support of the lifting device, by example the floor of a vehicle.
  • the base element 110 further comprises a body 41 of substantially U-shaped section, with an outer wall 411 and an inner wall 412, a support 42 for the winder and the motor, a roller 21 for the winding of the strap (itself not shown).
  • the body 41 is provided with a pair of slides 44, located at both ends of the U, along which an intermediate member 111 can slide. In this example, the slides are formed by a particular molding of the inner wall 412 of the body 41.
  • the base element 110 may have a section of substantially cylindrical, closed shape, to form a sealed well to the entire mast and the sensor head in the folded position of the lifting device, without requiring in the vehicle the report of a complementary structure of the type of sealing shaft 104 previously described ( Figure 1).
  • FIG. 4B shows an intermediate element 111 intended to slide in the base element 110.
  • the element 111 comprises a body 45 with an outer wall 451 whose shape is complementary to the inner wall 412 of the base element, and an inner wall 452 for receiving another slider.
  • the body 45 of the intermediate element 111 is pierced with openings 453 for lightening the structure without losing rigidity.
  • the intermediate element 111 is also equipped with slides 46, in this example formed of a particular U-shaped wall 45, adjusted to slide in the slideways 44 of the base element 110 and in which they may in turn slide the slides of another sliding element of the telescopic mast.
  • the upper element 112 as shown in FIG. 3 has a shape similar to that of an intermediate element 111, its size being adapted to slide in the last of the intermediate elements.
  • FIGS. 3, 4A and 4B implements a mechanism single-strap drive, which has advantages of simplicity and cost, compared for example to mechanisms with ball bearings, or mini wheels, which can be distributed over the length of the element to the way of drawer slides.
  • Diagrams 5A to 5D illustrate the deployment of the telescopic mast with a single strap drive mechanism.
  • Figure 5A shows the belt drive mechanism, when the telescopic mast is folded. In this case, the strap is completely unwound.
  • FIG. 5B and 5C illustrate the drive mechanism in two intermediate positions of the telescopic mast, when respectively the upper element 112 then the upper element 112 and an intermediate element 111 are deployed, the strap 20 being wound through the winder 22 to cause the play of the rollers 21, the rise of said elements.
  • FIG. 5D shows the drive mechanism when the mast is fully deployed, only the base member 110 remaining attached to the support (not shown).
  • the sensor head 2 is slidably mounted relative to the upper element 112 by means of a support element 12 sliding in the upper element 112.
  • the support element has for example a shape comparable to that of the intermediate elements and the upper element 112, with a suitable size and a reduced length, so that in the folded position of the telescopic mast, the sensor head can be housed inside the telescopic mast, without the end of the head protrudes from the upper end 113 of the upper element.
  • FIG. 6 thus shows the lifting device 1 with the sensor head 2, in the storage position in a vehicle 100, for example a VBL type vehicle (abbreviation of the expression "light armored vehicle”), for which the protection of the sensor head, just like the discretion of the vehicle are particularly important.
  • a vehicle 100 for example a VBL type vehicle (abbreviation of the expression "light armored vehicle”), for which the protection of the sensor head, just like the discretion of the vehicle are particularly important.
  • the device according to the invention whose size is particularly reduced, it is possible to equip existing vehicles retrofit without retouching the possible shielding of the vehicle because the system is compact enough to pass through a standard access door.
  • the applicant has shown that an erection in 45 seconds of a lifting device as described according to the preceding examples was possible, with a particularly simple and inexpensive drive mechanism, without jerking or jamming, and with a mast having in deployed mode sufficient rigidity to be able to overcome an additional system of stabilization of the sensor.

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  • Forklifts And Lifting Vehicles (AREA)
  • Telescopes (AREA)
  • Harvester Elements (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The device has a telescopic mast (11) driven by a driving mechanism and having lower, intermediate and upper units (110, 111, 112) sliding one with respect to the other. The upper unit supports a sensor head (3). The head is mounted slidingly with respect to the upper unit such that, in a folded position of the mast, the head slides into a storage position in which an upper end of the head does not exceed an upper end of the upper unit. An independent claim is also included for a monitoring vehicle with a sensor head mounted on a lifting device.

Description

La présente invention concerne un dispositif élévateur pour tête senseur, et s'applique notamment aux senseurs de type senseur optronique ou antenne radar destinés à être montés sur des véhicules de surveillance mobiles.The present invention relates to an elevator device for a sensor head, and is particularly applicable to sensors of the optronic sensor or radar antenna type intended to be mounted on mobile surveillance vehicles.

Il est connu d'équiper certains véhicules de surveillance, blindés ou non, de mâts télescopiques à l'extrémité desquels sont fixées des têtes senseur, par exemple des têtes optroniques (de type caméra), ou des antennes radars, montées sur des plates-formes à l'extrémité du mât. En mode de surveillance, le mât est déployé, permettant un champ d'observation étendu pour la tête senseur, puis la plate-forme de support de la tête senseur peut être redescendue dans une position de stockage. En mode déployé, la structure mécanique formée du mât et de la plate-forme de support de la tête senseur est conçue pour garder une très bonne rigidité permettant de garantir la stabilité du senseur. En général, les éléments coulissant du mât télescopique sont formés de tubes s'encastrant les uns dans les autres, permettant d'assurer à la structure la rigidité recherchée. Le mât peut être installé à l'extérieur du véhicule, ou sur une base solidaire du plancher à l'intérieur du véhicule. Dans ce dernier ces, le mât est déployé à travers le toit, par exemple par une trappe.It is known to equip certain surveillance vehicles, shielded or not, telescopic poles at the end of which are fixed sensor heads, for example optronic heads (camera type), or radar antennas, mounted on platforms. forms at the end of the mast. In monitoring mode, the mast is deployed, allowing an extended field of view for the sensor head, and then the sensor head support platform can be lowered back to a storage position. In deployed mode, the mechanical structure formed of the mast and the support platform of the sensor head is designed to maintain a very good rigidity to ensure the stability of the sensor. In general, the sliding elements of the telescopic mast are formed of tubes fitting into each other, to ensure the desired rigidity structure. The mast may be installed outside the vehicle, or on a base secured to the floor inside the vehicle. In this latter, the mast is deployed through the roof, for example by a hatch.

Le document de l'art antérieur US 5 615 855 décrit un tel mât télescopique incorporant un capteur ramené à l'intérieur de celui-ci en position repliée.The prior art document US Pat. No. 5,615,855 describes such a telescopic mast incorporating a sensor brought inside it in the folded position.

Cependant, les systèmes actuels ne sont pas assez compacts pour être intégrés tout entier entre le plancher et le toit de la plupart des véhicules standards. De ce fait, en position repliée, la plate-forme sur laquelle est montée la tête senseur reste exposée à l'extérieur du véhicule. Ce véhicule n'est donc pas banalisé ; or la plupart des missions de surveillances de tels systèmes impose le maximum de discrétion. Par ailleurs, le senseur reste exposé aux intempéries ou aux agressions.However, the current systems are not compact enough to be fully integrated between the floor and roof of most standard vehicles. As a result, in the folded position, the platform on which the sensor head is mounted remains exposed to the outside of the vehicle. This vehicle is not trivialized; however, most monitoring missions of such systems impose the maximum of discretion. In addition, the sensor remains exposed to bad weather or aggression.

La présente invention propose un dispositif élévateur pour tête senseur avec une structure mécanique originale permettant de réduire l'encombrement du système replié tout en maintenant une très grande rigidité et excellente hauteur de déploiement.The present invention provides a lifting device for sensor head with an original mechanical structure to reduce the size of the folded system while maintaining a very high rigidity and excellent deployment height.

Pour cela, l'invention propose un dispositif élévateur pour tête senseur, comprenant un mât télescopique avec un ensemble d'éléments coulissants les uns par rapport aux autres, dont un élément de base destiné à être fixé sur un support, un élément supérieur supportant ladite tête senseur, caractérisé en ce que ladite tête senseur est montée coulissante par rapport audit élément supérieur, de telle sorte qu'en position repliée du mât télescopique, la tête senseur puisse coulisser dans une position de stockage dans laquelle l'extrémité haute de la tête senseur ne dépasse pas l'extrémité haute dudit élément supérieur.For this, the invention proposes a lifting device for sensor head, comprising a telescopic mast with a set of sliding elements relative to each other, including a base element intended to be fixed on a support, an upper element supporting said head sensor, characterized in that said sensor head is slidably mounted with respect to said upper element, so that in the folded position of the telescopic mast, the sensor head can slide in a storage position in which the upper end of the sensor head does not exceed the upper end of said upper element.

Selon une variante préférée, le mécanisme d'entraînement du mât télescopique est un mécanisme électrique à enrouleur, présentant des avantages en terme de simplicité et de coût.According to a preferred variant, the drive mechanism of the telescopic mast is an electric retractor mechanism, with advantages in terms of simplicity and cost.

D'autres avantages et caractéristiques apparaîtront plus clairement à la lecture de la description qui suit, illustrée par les figures annexées qui représentent :

  • La figure 1, un véhicule équipé d'un dispositif élévateur selon un mode de réalisation de l'invention, en mode déployé ;
  • Les figures 2A et 2B, des vues du dispositif élévateur de la figure 1, avec un mécanisme d'entraînement particulier, respectivement en mode déployé et replié ;
  • La figure 3, un dispositif élévateur selon un autre exemple de réalisation de l'invention, en mode déployé ;
  • Les figures 4A et 4B des exemples de réalisation d'éléments du mât télescopique du dispositif élévateur selon la figure 3 ;
  • Les figures 5A à 5D des schémas illustrant le déploiement du mât télescopique selon une variante de l'invention ;
  • La figure 6, l'illustration d'un véhicule équipé d'un dispositif élévateur selon l'exemple de la figure 3, en mode replié.
Other advantages and characteristics will appear more clearly on reading the description which follows, illustrated by the appended figures which represent:
  • FIG. 1, a vehicle equipped with a lifting device according to one embodiment of the invention, in deployed mode;
  • FIGS. 2A and 2B, views of the elevating device of FIG. 1, with a particular drive mechanism, respectively in deployed and folded mode;
  • Figure 3, a lifting device according to another embodiment of the invention, in deployed mode;
  • FIGS. 4A and 4B exemplary embodiments of elements of the telescopic mast of the lifting device according to FIG. 3;
  • FIGS. 5A to 5D of the diagrams illustrating the deployment of the telescopic mast according to a variant of the invention;
  • Figure 6, the illustration of a vehicle equipped with a lifting device according to the example of Figure 3, in folded mode.

Sur les figures, les éléments identiques sont indexés avec les mêmes repères.In the figures, the identical elements are indexed with the same references.

La figure 1 représente un véhicule 100 équipé d'une tête senseur 3 montée sur une plate-forme 121 à l'extrémité supérieure d'un dispositif élévateur 1, selon un premier exemple de réalisation. Le senseur 3 est par exemple un senseur optronique, une antenne radar, ou tout type de senseur pour des applications de surveillance ou de contrôle. Un tel dispositif élévateur, qui peut être replié lorsque le senseur n'est pas utilisé, est particulièrement intéressant pour l'installation sur des véhicules mobiles, sur lesquels l'encombrement du dispositif est un point critique. Bien entendu, il est possible également de monter ce type de dispositifs sur des bases fixes. Dans l'exemple de la figure 1, le dispositif élévateur 1 est monté sur le plancher 101 du véhicule. Selon cette variante, le véhicule présente en son toit 102 une ouverture 103 à travers lequel le dispositif élévateur peut être déployé, comme c'est le cas sur la figure 1.FIG. 1 shows a vehicle 100 equipped with a sensor head 3 mounted on a platform 121 at the upper end of a lifting device 1, according to a first exemplary embodiment. The sensor 3 is for example an optronic sensor, a radar antenna, or any type of sensor for monitoring or control applications. Such a lifting device, which can be folded when the sensor is not used, is particularly advantageous for installation on mobile vehicles, on which the size of the device is a critical point. Of course, it is also possible to mount this type of devices on fixed bases. In the example of Figure 1, the elevator device 1 is mounted on the floor 101 of the vehicle. According to this variant, the vehicle has in its roof 102 an opening 103 through which the lifting device can be deployed, as is the case in FIG.

Dans les dispositifs de l'art antérieur, du fait de la faible hauteur sous plafond dans les véhicules (blindés ou non) et du faible volume disponible pour l'installation du dispositif élévateur en résultant, la plate-forme sur laquelle est montée la tête senseur reste à l'extérieur du véhicule lorsque le dispositif est replié. Cela pose des problèmes en terme de vulnérabilité de la tête senseur, ainsi qu'en terme de discrétion du véhicule, notamment lorsqu'il s'agit d'un véhicule banalisé pour des applications de surveillance requérant une discrétion particulière.In the devices of the prior art, because of the low ceiling height in the vehicles (shielded or not) and the small volume available for the installation of the lifting device resulting, the platform on which is mounted the head The sensor remains outside the vehicle when the device is folded. This poses problems in terms of vulnerability of the sensor head, as well as in terms of discretion of the vehicle, especially when it is a trivialized vehicle for surveillance applications requiring special discretion.

Le dispositif selon l'invention présente une architecture originale permettant de gagner considérablement en encombrement du dispositif élévateur lorsqu'il est replié. Pour cela, il comprend un mât télescopique 11 avec un ensemble d'éléments coulissants les uns par rapport aux autres, dont un élément de base 110 destiné à être fixé sur un support, dans cet exemple le plancher 101 du véhicule, un élément supérieur 112 supportant ladite tête senseur, et entre les deux d'éventuels éléments intermédiaires 111. Selon l'invention, la tête senseur 3 est destinée à être montée coulissante par rapport à l'élément supérieur 112, de telle sorte qu'en position repliée du mât télescopique, la tête senseur puisse coulisser dans une position de stockage dans laquelle l'extrémité haute notée 31 de la tête senseur ne dépasse pas l'extrémité haute notée 113 de l'élément supérieur 112. Ainsi, en position repliée, l'élément supérieur 112 coulisse le long de l'élément immédiatement inférieur et la tête senseur est montée sur un élément de support 12 coulissant le long de l'élément supérieur 112, l'élément coulissant étant formé dans cet exemple de la plate-forme 121 solidaire d'un chariot coulissant 122. De cette manière, comme c'est le cas dans l'exemple de la figure 1, la tête senseur peut être complètement escamotée à l'intérieur du véhicule en position repliée du dispositif, permettant de la protéger et de la dissimuler. Une trappe est par exemple prévue pour fermer le toit au niveau de l'ouverture 103. Avantageusement, un puits d'étanchéité 104 peut être rapporté sur le véhicule, permettant d'isoler l'intérieur du véhicule de l'extérieur (le mât et la tête senseur restent alors en permanence à l'extérieur du véhicule) . Ceci permet de conserver les propriétés dites NBC du véhicule (suivant l'abréviation de l'expression anglo-saxonne « Nuclear Biologic and Contamination »pour « Nucléaire, Biologique et Contamination ») ou tout simplement d'éviter que la pluie ou les autres intempéries rentrent dans l'habitacle (une évacuation de l'eau est prévue, elle traverse le plancher par la base de la pièce 110 par exemple).The device according to the invention has an original architecture allowing to gain considerably in size of the lifting device when folded. For this, it comprises a telescopic mast 11 with a set of sliding elements relative to each other, including a base member 110 to be fixed on a support, in this example the floor 101 of the vehicle, an upper element 112 supporting said sensor head, and between the two possible intermediate elements 111. According to the invention, the sensor head 3 is intended to be slidably mounted relative to the upper element 112, so that in the folded position of the mast telescopic, the sensor head can slide into a storage position in which the high end noted 31 of the sensor head does not exceed the upper end 113 of the upper element 112. Thus, in the folded position, the upper element 112 slides along the immediately lower element and the sensor head is mounted on a support element 12 sliding along the upper element 112, the grout element In this way, as is the case in the example of FIG. 1, the sensor head can be completely retracted inside. of the vehicle in the folded position of the device, for protecting and concealing it. A hatch is for example designed to close the roof at the opening 103. Advantageously, a sealing shaft 104 can be attached to the vehicle, to isolate the interior of the vehicle from the outside (the mast and the sensor head remain then permanently outside the vehicle). This makes it possible to preserve the so-called NBC properties of the vehicle (in the abbreviation of the English expression "Nuclear Biologic and Contamination" for "Nuclear, Biological and Contamination") or simply to prevent rain or other bad weather. enter the cockpit (an evacuation of the water is provided, it crosses the floor by the base of the room 110 for example).

Les figures 2A et 2B montrent plus en détail la réalisation d'un dispositif élévateur selon l'exemple de la figure 1. La figure 2A correspond à une position déployée du dispositif, tandis que la figure 2B correspond à une position repliée de celui-ci. Dans cet exemple, les éléments coulissants formant le mât télescopique présentent une section en forme de I, formant des plaques coulissant les unes par rapport aux autres, avec un recouvrement partiel en position déployée afin de garder pour la structure mécanique du mât une rigidité aussi bonne que dans les dispositifs de l'art antérieur. Sur la figure 2A, sont ainsi représentés de bas en haut l'élément de base 110, destiné à être fixé sur un support, les éléments intermédiaires 111 sensiblement identiques, et, en haut du mât, l'élément supérieur 112 destiné à recevoir une tête senseur montée coulissante, par exemple au moyen d'un élément de support 12 coulissant dans l'élément supérieur 112, et formé dans cet exemple du chariot coulissant 122 sur lequel est montée la plate-forme 121 pour la tête senseur.FIGS. 2A and 2B show in more detail the production of a lifting device according to the example of FIG. 1. FIG. 2A corresponds to an extended position of the device, whereas FIG. 2B corresponds to a folded position of the latter. . In this example, the sliding elements forming the telescopic mast have an I-shaped section, forming sliding plates relative to each other, with a partial overlap in the deployed position in order to keep for the mechanical structure of the mast as rigidity as good than in the devices of the prior art. In FIG. 2A, the base element 110, designed to be fixed on a support, is thus represented from bottom to top, the substantially identical intermediate elements 111, and, at the top of the mast, the upper element 112 intended to receive a sensor head slidably mounted, for example by means of a support member 12 sliding in the upper member 112, and formed in this example of the sliding carriage 122 on which is mounted the platform 121 for the sensor head.

Plusieurs mécanismes d'entraînement sont possibles pour l'actionnement du mât télescopique. Notamment des mécanismes hydraulique, pneumatique et électrique sont envisageables, ce dernier type de mécanisme étant préféré car ne nécessitant pas la présence de fluide dans le dispositif élévateur et permettant un contrôle précis et simple de la position d'érection directement avec le calculateur de bord. Ce mode de déploiement est par ailleurs pratiquement silencieux ce qui n'est pas le cas des dispositifs à fluides qui nécessitent l'emploi de compresseurs.Several drive mechanisms are possible for the operation of the telescopic mast. In particular hydraulic, pneumatic and electrical mechanisms are possible, the latter type of mechanism being preferred because not requiring the presence of fluid in the elevator device and allowing a precise and simple control of the erection position directly with the onboard computer. This mode of deployment is also virtually silent, which is not the case for fluid devices that require the use of compressors.

Les figures 2A et 2B présentent une variante particulièrement avantageuse du mécanisme d'entraînement, basée sur un mécanisme dit à enrouleur. Le mécanisme à enrouleur comprend selon cette variante une sangle 20, un ensemble de rouleaux ou poulies 21, un enrouleur 22 de la sangle. Les poulies sont disposées sur les parties hautes et basses des différents éléments. Pour garantir la solidité des sangles, celles-ci peuvent être renforcées avec un matériau de renforcement, par exemple du Kevlar®. Le mécanisme à enrouleur peut aussi être basé sur l'emploi d'une chaîne et de pignons. L'avantage d'un mécanisme à enrouleur est qu'il permet notamment une très bonne fiabilité du mécanisme et une grande simplicité de réalisation et de maintenance.Figures 2A and 2B show a particularly advantageous variant of the drive mechanism, based on a so-called winding mechanism. The retractor mechanism comprises according to this variant a strap 20, a set of rollers or pulleys 21, a winder 22 of the strap. The pulleys are arranged on the high and low parts of the various elements. To ensure the strength of the straps, they can be reinforced with reinforcing material, eg Kevlar ® . The roller mechanism can also be based on the use of a chain and sprockets. The advantage of a reel mechanism is that it allows in particular a very good reliability of the mechanism and a great simplicity of implementation and maintenance.

Avantageusement, le moteur utilisé pour l'enrouleur est un moteur dit « intelligent », dont le couple est programmable en fonction du cycle de montée de la tête senseur, permettant une montée de la tête sans à coups ni coincement, à vitesse sensiblement constante, ce qui est particulièrement important lorsque l'on recherche des vitesses de montée rapides de la tête senseur. Un encodeur peut également être prévu sur le moteur, permettant de transmettre à un calculateur la position de la tête senseur, en fonction du nombre de tours effectués par le moteur.Advantageously, the motor used for the winder is a so-called "intelligent" motor, the torque of which is programmable according to the rise cycle of the sensor head, enabling the head to be mounted without jerking or jamming, at a substantially constant speed, This is particularly important when looking for fast rise speeds of the sensor head. An encoder can also be provided on the engine, for transmitting to a computer the position of the sensor head, according to the number of revolutions made by the engine.

La figure 3 représente une variante d'un dispositif élévateur 1 selon l'invention, en mode déployé. Selon cette variante, les éléments formant le mât télescopique ont une section en forme de U, le dispositif comprenant un élément de support 12 pour la tête senseur, avec une section également en forme de U, coulissant sur l'élément supérieur 112. Cette structure présente notamment l'avantage d'une excellente rigidité du fait de la forme partiellement englobante des éléments les uns par rapport aux autres. Ainsi, selon cette variante, la tête senseur coulisse à l'intérieur du mât télescopique. Il n'est pas nécessaire pour obtenir la rigidité souhaitée que les éléments soient fermés en forme de tube. La section en forme de U est suffisante pour assurer la rigidité, tout en allégeant la structure par rapport à une structure formée d'éléments en forme de tubes dont les diamètres devraient être suffisants pour laisser la place à la tête senseur dans sa position de stockage.FIG. 3 represents a variant of a lifting device 1 according to the invention, in deployed mode. According to this variant, the elements forming the telescopic mast have a U-shaped section, the device comprising a support element 12 for the sensor head, with a section also U-shaped, sliding on the upper element 112. This structure This has the advantage of excellent rigidity due to the partially encompassing shape of the elements relative to each other. Thus, according to this variant, the sensor head slides inside the telescopic mast. It is not necessary to obtain the desired rigidity that the elements are closed in the form of a tube. The U-shaped section is sufficient to provide rigidity, while lightening the structure with respect to a structure formed of tube-shaped elements whose diameters should be sufficient to leave room for the sensor head in its storage position .

Dans l'exemple de la figure 3, un mécanisme d'entraînement électrique à sangles ou à chaînes peut également être mis en oeuvre, du même type que celui qui a été décrit précédemment, avec un enrouleur 22 d'une sangle 20, s'enroulant autour de rouleaux ou de poulies 21, disposés sur les éléments coulissant du mât télescopique. Avantageusement, un moteur dit « intelligent » est utilisé, en particulier pour les applications nécessitant des temps de montée courts de la tête senseur.In the example of FIG. 3, an electrical drive mechanism with straps or chains can also be implemented, of the same type as that described above, with a winder 22 of a strap 20, wrapping around rollers or pulleys 21, arranged on the sliding elements of the telescopic mast. Advantageously, an "intelligent" motor is used, in particular for applications requiring short rise times of the sensor head.

Les figures 4A et 4B représentent deux desdits éléments du mât télescopique 11 tel qu'il est représenté sur la figure 3. La figure 4A représente l'élément de base 110 avec un socle 40 destiné à être fixé à un support du dispositif élévateur, par exemple le plancher d'un véhicule. L'élément de base 110 comprend par ailleurs un corps 41 de section sensiblement en forme de U, avec une paroi externe 411 et une paroi interne 412, un support 42 pour l'enrouleur et le moteur, un rouleau 21 pour l'enroulement de la sangle (elle même non représentée). Le corps 41 est muni d'une paire de glissières 44, situées aux deux extrémités du U, le long desquels un élément intermédiaire 111 pourra coulisser. Dans cet exemple, les glissières sont formées par un moulage particulier de la paroi interne 412 du corps 41.FIGS. 4A and 4B show two of said elements of the telescopic mast 11 as shown in FIG. 3. FIG. 4A represents the base element 110 with a base 40 intended to be fixed to a support of the lifting device, by example the floor of a vehicle. The base element 110 further comprises a body 41 of substantially U-shaped section, with an outer wall 411 and an inner wall 412, a support 42 for the winder and the motor, a roller 21 for the winding of the strap (itself not shown). The body 41 is provided with a pair of slides 44, located at both ends of the U, along which an intermediate member 111 can slide. In this example, the slides are formed by a particular molding of the inner wall 412 of the body 41.

Selon une variante, l'élément de base 110 peut présenter une section de forme sensiblement cylindrique, fermée, pour former un puits étanche à l'ensemble du mât et de la tête senseur en position repliée du dispositif élévateur, sans nécessiter dans le véhicule le report d'une structure complémentaire du type du puits d'étanchéité 104 préalablement décrit (figure 1).According to a variant, the base element 110 may have a section of substantially cylindrical, closed shape, to form a sealed well to the entire mast and the sensor head in the folded position of the lifting device, without requiring in the vehicle the report of a complementary structure of the type of sealing shaft 104 previously described (Figure 1).

La figure 4B représente un élément intermédiaire 111, destiné à coulisser dans l'élément de base 110. L'élément 111 comprend un corps 45 avec une paroi extérieure 451 dont la forme est complémentaire de la paroi intérieure 412 de l'élément de base, et une paroi interne 452 destinée à recevoir un autre élément coulissant. Le corps 45 de l'élément intermédiaire 111 est percé d'ouvertures 453 permettant d'alléger la structure sans perdre en rigidité. L'élément intermédiaire 111 est également équipé de glissières 46, dans cet exemple formées d'une forme particulière en U de la paroi 45, ajustée pour pouvoir coulisser dans les glissières 44 de l'élément de base 110 et dans lesquelles pourront à leur tour coulisser les glissières d'un autre élément coulissant du mât télescopique.FIG. 4B shows an intermediate element 111 intended to slide in the base element 110. The element 111 comprises a body 45 with an outer wall 451 whose shape is complementary to the inner wall 412 of the base element, and an inner wall 452 for receiving another slider. The body 45 of the intermediate element 111 is pierced with openings 453 for lightening the structure without losing rigidity. The intermediate element 111 is also equipped with slides 46, in this example formed of a particular U-shaped wall 45, adjusted to slide in the slideways 44 of the base element 110 and in which they may in turn slide the slides of another sliding element of the telescopic mast.

Dans cet exemple, l'élément supérieur 112 tel qu'il est représenté sur la figure 3 a une forme similaire à celle d'un élément intermédiaire 111, sa taille étant adaptée pour coulisser dans le dernier des éléments intermédiaires.In this example, the upper element 112 as shown in FIG. 3 has a shape similar to that of an intermediate element 111, its size being adapted to slide in the last of the intermediate elements.

L'entraînement des éléments coulissants du mât télescopique tel qu'il est décrit sur les figures 3, 4A et 4B met en oeuvre un mécanisme d'entraînement à une seule sangle, ce qui présente des avantages de simplicité et de coût importants, par comparaison par exemple à des mécanismes à roulements à bille, ou à mini roulettes, qui peuvent être répartis sur la longueur de l'élément à la manière des glissières de tiroir. Les schémas 5A à 5D illustrent le déploiement du mât télescopique avec un mécanisme d'entraînement à sangle unique. La figure 5A représente le mécanisme d'entraînement à sangle, lorsque le mât télescopique est replié. Dans ce cas, la sangle est complètement déroulée. Les figures 5B et 5C illustrent le mécanisme d'entraînement dans deux positions intermédiaires du mât télescopique, lorsque respectivement l'élément supérieur 112 puis l'élément supérieur 112 et un élément intermédiaire 111 sont déployés, la sangle 20 étant enroulée grâce à l'enrouleur 22 pour entraîner par le jeu des rouleaux 21, la montée desdits éléments. Enfin la figure 5D représente le mécanisme d'entraînement lorsque le mât est entièrement déployé, seul l'élément de base 110 restant fixé au support (non représenté).The driving of the sliding elements of the telescopic mast as described in FIGS. 3, 4A and 4B implements a mechanism single-strap drive, which has advantages of simplicity and cost, compared for example to mechanisms with ball bearings, or mini wheels, which can be distributed over the length of the element to the way of drawer slides. Diagrams 5A to 5D illustrate the deployment of the telescopic mast with a single strap drive mechanism. Figure 5A shows the belt drive mechanism, when the telescopic mast is folded. In this case, the strap is completely unwound. FIGS. 5B and 5C illustrate the drive mechanism in two intermediate positions of the telescopic mast, when respectively the upper element 112 then the upper element 112 and an intermediate element 111 are deployed, the strap 20 being wound through the winder 22 to cause the play of the rollers 21, the rise of said elements. Finally, FIG. 5D shows the drive mechanism when the mast is fully deployed, only the base member 110 remaining attached to the support (not shown).

II est important dans un tel système d'entraînement d'éviter les coincements des éléments les uns par rapport aux autres. En particulier, lorsqu'une seule sangle est utilisée, elle n'exerce sa force élévatrice qu'en un point de l'élément du mât télescopique. Un élément étant nécessairement large pour assurer la rigidité de l'ensemble, il est nécessaire qu'il coulisse parfaitement. Pour cela, il est possible par exemple d'utiliser des glissières lisses 47 par exemple en nylon autolubrifiant de type Ertalon®. La déposante a montré qu'il était ainsi possible d'éviter les coincements dans une structure à sangle unique, notamment lorsque la tête senseur doit pouvoir être déployée avec des temps rapides.It is important in such a drive system to avoid jamming of the elements relative to each other. In particular, when only one strap is used, it exerts its lifting force only at one point of the telescopic mast element. An element being necessarily wide to ensure the rigidity of the assembly, it is necessary that it slides perfectly. For this, it is possible for example to use smooth slides 47 for example self-lubricating nylon Ertalon® type. The applicant has shown that it is thus possible to avoid jamming in a single strap structure, especially when the sensor head must be able to be deployed with fast times.

Dans l'exemple du dispositif élévateur 1 tel qu'il est représenté sur la figure 3, la tête senseur 2 est montée coulissante par rapport à l'élément supérieur 112 au moyen d'un élément de support 12, coulissant dans l'élément supérieur 112. L'élément de support a par exemple une forme comparable à ceux des éléments intermédiaires et de l'élément supérieur 112, avec une taille adaptée et une longueur réduite, de telle sorte qu'en position repliée du mât télescopique, la tête senseur puisse se loger à l'intérieur du mât télescopique, sans que l'extrémité de la tête ne dépasse de l'extrémité haute 113 de l'élément supérieur.In the example of the lifting device 1 as shown in FIG. 3, the sensor head 2 is slidably mounted relative to the upper element 112 by means of a support element 12 sliding in the upper element 112. The support element has for example a shape comparable to that of the intermediate elements and the upper element 112, with a suitable size and a reduced length, so that in the folded position of the telescopic mast, the sensor head can be housed inside the telescopic mast, without the end of the head protrudes from the upper end 113 of the upper element.

La figure 6 montre ainsi le dispositif élévateur 1 avec la tête senseur 2, en position de stockage dans un véhicule 100, par exemple un véhicule de type VBL (abréviation de l'expression « véhicule blindé léger »), pour lequel la protection de la tête senseur, tout comme la discrétion du véhicule sont particulièrement importants.FIG. 6 thus shows the lifting device 1 with the sensor head 2, in the storage position in a vehicle 100, for example a VBL type vehicle (abbreviation of the expression "light armored vehicle"), for which the protection of the sensor head, just like the discretion of the vehicle are particularly important.

Grâce au dispositif selon l'invention, dont l'encombrement est particulièrement réduit, il est possible d'équiper des véhicules existants en rétrofit sans retoucher le blindage éventuel du véhicule car le système est suffisamment compact pour passer par une trappe d'accès standard. La déposante a montré qu'une érection en 45 secondes d'un dispositif élévateur tel que décrit selon les exemples précédents était possible, avec un mécanisme d'entraînement particulièrement simple et peu coûteux, sans à-coups ni coincements, et avec un mât présentant en mode déployé une rigidité suffisante pour pouvoir s'affranchir d'un système supplémentaire de stabilisation du senseur.Thanks to the device according to the invention, whose size is particularly reduced, it is possible to equip existing vehicles retrofit without retouching the possible shielding of the vehicle because the system is compact enough to pass through a standard access door. The applicant has shown that an erection in 45 seconds of a lifting device as described according to the preceding examples was possible, with a particularly simple and inexpensive drive mechanism, without jerking or jamming, and with a mast having in deployed mode sufficient rigidity to be able to overcome an additional system of stabilization of the sensor.

Claims (11)

  1. Elevator device (1) for a sensor head (3), comprising a telescopic mast (11) with a collection of elements (110, 111, 112) sliding one with respect to the other, including a base element (110) intended to be fixed to a support (101) an upper element (112) supporting the said sensor head (3), characterized in that it comprises a support element (12) for the sensor head, sliding on the upper element (112) in such a way that when the telescopic mast is in the retracted position, the sensor head can slide partially or fully on the outside of the mast into a storage position in which the top end (31) of the sensor head does not extend beyond the top end (113) of the said upper element.
  2. Elevator device according to Claim 1, in which the said elements that make up the telescopic mast have an I-shaped cross section, partially overlapping when the mast is in the deployed mode, the support element (12) comprising a carriage (121).
  3. Elevator device according to Claim 1, in which the said elements that form the telescopic mast have a U-shaped cross section.
  4. Elevator device according to Claim 3, in which the support element has a shape comparable to that of the elements of the telescopic mast, designed to slide on the upper element (112).
  5. Elevator device according to one of Claims 3 and 4, in which the base element (110) has a cross section of substantially cylindrical shape, forming an impervious well for the whole of the mast and of the sensor head when the elevator device is in the retracted position.
  6. Elevator device according to one of the preceding claims, in which an electric drive mechanism is provided for actuating the telescopic mast.
  7. Elevator device according to Claim 6, in which the drive mechanism comprises a so-called intelligent motor, the torque of which can be programmed as a function of the sensor head raising cycle, allowing the head to rise at a constant speed.
  8. Elevator device according to one of Claims 6 and 7, in which the said drive mechanism is a drive mechanism involving a winder (22).
  9. Elevator device according to Claim 8, in which the drive mechanism is a mechanism with a single strap (20) and a winder (22) and a collection of rollers or pulleys (21) positioned on the elements of the telescopic mast in order to raise and lower the head by winding the said strap around the winder.
  10. Elevator device according to Claim 9, in which the said elements are equipped with plain slideways (46, 47) in which the adjacent element can slide.
  11. Surveillance vehicle (100) equipped with a sensor head (3) mounted on an elevator device (1) according to one of the preceding claims, the elevator device being mounted on the floor (101) of the vehicle which forms the base, the vehicle having an opening (103) in its roof (102), through which opening the elevator device can be deployed, the vehicle being characterized in that when the telescopic mast is in the retracted position, the sensor head can slide into a storage position such that the top end (31) of the sensor head sits under the roof of the vehicle.
EP05717004A 2004-03-12 2005-03-11 Device comprising a telescope elevating mast for a sensing head Active EP1723692B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05717004T PL1723692T3 (en) 2004-03-12 2005-03-11 Device comprising a telescope elevating mast for a sensing head

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0402595A FR2867615B1 (en) 2004-03-12 2004-03-12 LIFTING DEVICE FOR SENSOR HEAD
PCT/EP2005/051108 WO2005099029A1 (en) 2004-03-12 2005-03-11 Device comprising a telescope elevating mast for a sensing head

Publications (2)

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EP1723692A1 EP1723692A1 (en) 2006-11-22
EP1723692B1 true EP1723692B1 (en) 2007-12-12

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AT (1) ATE381119T1 (en)
DE (1) DE602005003802T2 (en)
ES (1) ES2297680T3 (en)
FR (1) FR2867615B1 (en)
IL (1) IL178037A0 (en)
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WO (1) WO2005099029A1 (en)

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FR2904480B1 (en) * 2006-07-28 2010-04-09 Marcel Girandola SECURE SYSTEM FOR ANTENNA MAINTENANCE AND ADJUSTMENT
US7997388B2 (en) * 2008-04-15 2011-08-16 Icx Tactical Platforms Corp. Detection platforms
SG160232A1 (en) 2008-09-08 2010-04-29 Rohde & Schwarz Systems & Comm Radio frequency (rf) field sensor mast
US8494725B2 (en) 2008-10-10 2013-07-23 Thales Suisse Sa Stabilization of a mast for vehicles and ships
KR101002952B1 (en) 2008-12-18 2010-12-21 한국원자력연구원 Frame Slide Type Telescopic mast Device
ES2368051B1 (en) * 2009-02-02 2013-01-23 Alfredo Vallés Navarro PERFECTION IN THE VERTICAL COLUMNS OF THE TRAVELING USED IN THE FILMING EQUIPMENT.
WO2011069346A1 (en) * 2009-12-11 2011-06-16 Xiao Shaoduan Movable lighthouse
IT1399098B1 (en) * 2010-03-26 2013-04-05 M E S S P A Meccanica Per L Elettronica E Servomeccanismi ARTICULATED LIFTING SYSTEM WITH HIGH RIGIDITY FOR THE SUPPORT AND POSITIONING OF SENSORS AND THE LIKE.
CN102654278B (en) * 2011-03-04 2016-01-13 海洋王照明科技股份有限公司 A kind of elevating lever and lighting device
CN104214623B (en) * 2013-05-31 2016-08-31 深圳市海洋王照明工程有限公司 Illuminator
US9769949B1 (en) * 2013-08-20 2017-09-19 Steven T. Kuntz Mobile video, audio, and sensory apparatus
CN105406165B (en) * 2015-12-23 2018-04-03 哈尔滨工业大学 A kind of telescopic radar antenna backrest
CN110611148A (en) * 2019-09-30 2019-12-24 中国电子科技集团公司第五十四研究所 Lifting mechanism of vehicle-mounted electric lifting rod
RU201166U1 (en) * 2020-09-01 2020-12-01 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный университет" Министерства обороны Российской Федерации DEVICE FOR LOCAL OBSERVATION FROM BMP-2

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DE3513405A1 (en) * 1985-04-15 1986-10-23 Geroh GmbH Mechanische Systeme, 8551 Waischenfeld Telescopic mast having individual portions which can be locked and unlocked automatically
US5615855A (en) * 1991-10-07 1997-04-01 Tri-Ex Tower Corporation Telescoping mast with integral payload

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FR2867615A1 (en) 2005-09-16
ES2297680T3 (en) 2008-05-01
DE602005003802T2 (en) 2008-12-04
DE602005003802D1 (en) 2008-01-24
PL1723692T3 (en) 2008-04-30
WO2005099029A1 (en) 2005-10-20
IL178037A0 (en) 2006-12-31
EP1723692A1 (en) 2006-11-22
FR2867615B1 (en) 2008-09-05
ATE381119T1 (en) 2007-12-15

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