EP3700006B1 - Mehrzweckvorrichtung zur montage einer apparatur auf eine plattform - Google Patents

Mehrzweckvorrichtung zur montage einer apparatur auf eine plattform Download PDF

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Publication number
EP3700006B1
EP3700006B1 EP20000073.5A EP20000073A EP3700006B1 EP 3700006 B1 EP3700006 B1 EP 3700006B1 EP 20000073 A EP20000073 A EP 20000073A EP 3700006 B1 EP3700006 B1 EP 3700006B1
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EP
European Patent Office
Prior art keywords
arm
centering
pivoting
housing
fixed
Prior art date
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Active
Application number
EP20000073.5A
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English (en)
French (fr)
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EP3700006A1 (de
EP3700006C0 (de
Inventor
Luigi Pillosio
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Individual
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Individual
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Publication date
Priority claimed from FR1901712A external-priority patent/FR3092895B1/fr
Priority claimed from FR1912682A external-priority patent/FR3103326B1/fr
Priority claimed from FR1913581A external-priority patent/FR3103970B1/fr
Application filed by Individual filed Critical Individual
Publication of EP3700006A1 publication Critical patent/EP3700006A1/de
Application granted granted Critical
Publication of EP3700006B1 publication Critical patent/EP3700006B1/de
Publication of EP3700006C0 publication Critical patent/EP3700006C0/de
Active legal-status Critical Current
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
    • 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 subject of the invention is a versatile device for mounting equipment such as one or more telecommunications antennas, from a raised platform.
  • these antennas must be placed in a high position. Pylons can be built for this purpose, but these are unattractive and expensive and, often, poorly accepted by local residents. When possible, particularly in urban areas, we therefore prefer to install the antennas on elevated platforms, in particular the terraces of high-rise buildings dominating the environment.
  • the antennas are usually made up of panels used for the transmission and reception of signals and whose dimensions are varied, for example a height which can exceed 2.60 m for a width of approximately 55 cm and a thickness of between 30 and 55 cm. These antennas can be fixed by flanges on vertical metal masts fixed at their base on a base sealed on the terrace forming the roof of the building.
  • the antenna must be accessible to carry out maintenance or adjustment operations. In fact, this antenna must be directed towards the area where the signals come from or the area to which they must be transmitted. It is therefore necessary to be able to adjust the azimuth, that is to say the horizontal orientation angle of the antenna, or the tilt, that is to say the angle of the antenna in relation to the vertical.
  • the antenna support mast is connected to the base fixed on the terrace by a connecting member articulated around an axis so as to be able to fold the mast, with the antenna, from the vertical service position to the horizontal maintenance position and vice versa.
  • the mast can be connected to the fixed base by a spring to compensate for the weight of the equipment.
  • the terraces of buildings are subject to sometimes violent winds which require guying of the mast and are, in addition, often cluttered by chimneys, elevator control equipment or air conditioning installations. It is, therefore, sometimes difficult to find a well-oriented location allowing not only to fix the mast on the terrace in the vertical service position but also to have the free space necessary to fold the antenna into the horizontal maintenance position. .
  • the antenna is generally mounted on an elongated support member which is fixed to the free end of a suspension arm extending horizontally cantilevered from a base part sealed on the platform, and at a level allowing it to pass above the parapet which often limits the terrace.
  • the document FR 2 815 476 describes a suspension device in which the antenna is mounted sliding vertically along a support member forming a vertical guide which descends along the facade and is fixed by an articulation at the end of a horizontal suspension arm passing above the parapet.
  • the antenna is first raised by sliding along this vertical guide, into a high position for which its center of gravity is at the level of the joint on the end of the suspension arm.
  • a mechanism controls the tilting of the support member with the antenna around the articulation axis to apply it, in a horizontal position, to the suspension arm which can then be rotated around the vertical axis of the base to place the assembly in a horizontal maintenance position, parallel to the facade.
  • the suspension arm forms a tilting bracket carrying, at its free end, the antenna support member and forming a support beam rotatably mounted, around a horizontal axis, on a cradle which rests on a base fixed with the possibility of rotation around a vertical axis.
  • the antenna is brought into a horizontal plane by pivoting around the axis of the support arm which then remains horizontal and then rotates around a vertical axis to bring the antenna to the above the platform.
  • the antenna mounting device comprises a suspension arm which extends cantilevered, along a horizontal axis, from a base fixed on the platform, to a free end of support of the antenna in a vertical service position, perpendicular to the horizontal axis of the arm which is, in addition, mounted pivoting around this axis on a support assembly bearing on the base and rotatably mounted on the latter around 'a vertical axis.
  • the antenna being suspended, in the service position, along the wall limiting the platform, it is possible to pivot it around the horizontal axis of the arm, to raise it into a horizontal position, above the level of the platform, then rotate the suspension arm with the support assembly, around the vertical axis of rotation, in order to bring the antenna into a secure intervention position, on the side of the wall opposite to that on which it is placed during operation.
  • the support assembly comprises a cylindrical sleeve fixed on a central plate bearing on the base, via a tube centered on a fixing rod of the sleeve, which forms a pivot with a vertical axis for the support assembly relative to the base.
  • the tubular suspension arm is threaded with clearances into the sleeve of greater diameter and rests on two lower half-collars which are fixed on the two ends of the sleeve and cooperate with two upper half-collars to together form a bearing complete which can be tightened to ensure immobilization of the arm, or loosened to allow the arm to pivot inside the sleeve, around the horizontal axis.
  • the antenna In the service position, the antenna is suspended, along the facade, at the free end of the external pivoting part of the arm which extends to the outside of the platform.
  • To move to the maintenance position we first control the pivoting of the external part of the support arm around its axis, to bring the antenna into a horizontal position, then we control a rotation of the entire arm around the The vertical axis of the base to bring the antenna above the platform, in order to comfortably carry out maintenance operations.
  • one of the flanges is provided with a lubricated circular collar extending projecting and engaging in a cylindrical bearing provided on the other flange.
  • the invention therefore aims to remedy such drawbacks thanks to a new particularly simple arrangement, which makes it possible, through better distribution of the different loads, to reduce and even eliminate practically all risks of blocking of the parts. rotating during the transition from the service position along the facade to the maintenance position above the platform. But in addition, the arrangements according to the invention make it possible to produce a particularly compact assembly which can be placed on relatively crowded platforms.
  • the invention therefore relates to a versatile device for mounting equipment on a platform, comprising an arm for suspending the equipment extending, along a horizontal axis, from a base fixed on the platform to at a free end carrying a support member of the equipment in a position perpendicular to the horizontal axis and pivotally mounted around said horizontal axis on a support assembly bearing on the base and rotatably mounted on the latter around a vertical axis, means for controlling the pivoting of the suspension arm around the horizontal axis, making it possible to pivot the equipment from a vertical service position to a raised position and means for controlling the pivoting of said arm with the support assembly, around the vertical axis of rotation, making it possible to bring the equipment into a maintenance position above the level of the platform, device in which the suspension arm is made up of two parts arranged in the extension of one another along the horizontal axis, respectively a pivoting external part carrying, at its free end, the support member of the equipment and an internal support part constituting the assembly rotating support of the arm and bearing on the fixed
  • the internal part supporting the arm on the base forms a hollow housing in which all the mechanisms are enclosed, said housing being limited by a rigid cylindrical wall centered on the horizontal axis of the arm and extending, between an external side on which the fixed junction flange is fixed and a closed internal side on which the means for controlling the pivoting of the external part of the arm around the horizontal axis are mounted, on either side of 'a central part resting on the fixed base via a centering bearing on the vertical axis of rotation of the arm and the pivoting external part of the arm is carried, after loosening the junction flanges, by a shaft centering device rotatably mounted, around the horizontal axis, on two spaced apart bearings, bearing on the cylindrical wall of the housing, on either side of the centering bearing on the vertical axis, said centering shaft is extending axially, in the extension of the pivoting external part of the arm, over a length greater than that of the housing, between two ends projecting outside the latter, respectively an internal end on
  • the rotating flange is provided, in its central part, with an orifice into which the external end of the centering shaft engages which is welded around the periphery of said central orifice, so as to secure the pivoting part of the arm with the centering shaft which thus serves, on the one hand, to transmit the pivoting control torque applied to its internal end by the pivoting control means and, on the other hand, to resume the load of the pivoting part of the arm to transmit it to the internal support part by the two spaced bearings.
  • the fixed junction flange forms an annular plate provided with a central orifice of the same diameter as the cylindrical housing in order to be threaded and welded on the external side of the latter, perpendicular to the axis.
  • the means for controlling the rotation of the pivoting part of the arm is a worm gear reducer mounted in a casing fixed on the internal side of the housing and comprising a worm gear meshing with a helical toothed wheel , which is threaded and rotated on an axial rod extending beyond the internal end of the centering shaft and in the extension thereof, outside the housing.
  • the wheel and the endless screw of the reducer are placed between two side walls of the housing which are rotatably mounted on bearings threaded at both ends of the axial rod.
  • the housing forming the internal support part of the arm is fixed in its central part on a axial centering piece formed of a cylindrical tube centered on an axis perpendicular to that of the housing and fitting with clearance onto the cylindrical column of the base which is closed, at its upper part, by a plate carrying the bearing vertical centering of the arm which preferably comprises a single supporting ball bearing on a lower central face of the hollow housing and resting on a ball bearing mounted on the upper closing plate of the column of the base.
  • this centering tube is supported on the column of the base via at least two horizontal raceways provided on at least two levels spaced apart in height and interposed between the face external cylindrical part of the column and the internal face of the wall of the centering tube.
  • each raceway advantageously comprises a series of contiguous balls arranged on the periphery of the column between two circular collars welded on the external face of this and extending horizontally on two levels spaced apart by a height corresponding to the diameter of the balls and the space between the collars is filled with a layer of grease to hold the balls by adhesion.
  • the centering tube is provided, at the level corresponding to each raceway, in the support position of the housing on the bearing, with at least one orifice passing through the wall of the tube and which can be equipped with a lubricator for introducing grease under pressure into the space between the collars.
  • the latter can be provided, at its upper part, with two aligned circular orifices into which the cylindrical wall can be threaded and welded. of the housing, the latter bearing, in its central part, on the vertical centering bearing, via a transverse plate welded to the centering tube and passing slightly below the cylindrical wall of the housing, so that the latter does not risk being deformed by the support forces on the bearing.
  • such a device can be used for mounting on a platform, equipment comprising at least two antennas placed one next to the other, the device then comprising, at least two elongated antenna support members, respectively a first elongated member for supporting a first antenna forming a mast fixed on the end of the pivoting part of the arm and carrying a second elongated member for supporting a second antenna which is connected to the first support member and held apart from it by spacers.
  • a mounting device could be used either to suspend the equipment along the facade of a building, or to fix it on a vertical mast placed on the platform and foldable into a horizontal position. maintenance, even when the platform is relatively crowded.
  • the support mast being fixed to the end of the pivoting external part of the arm, the length of the latter can be determined so that the assembly can be installed in a space of reduced dimensions, the possibility of rotating the device around the vertical axis making it possible to precisely orient the support arm to place the equipment in the maintenance position on a free area of the platform.
  • the cylindrical wall of the centering tube as well as the column of the base can advantageously be pierced with diametrically opposite orifices, placed so as to come in coincidence at the same level, in the support position of the housing on the bearing, for the passage of a removable locking rod allowing temporary connection of the two walls inserted into each other during transport of the support arm with the base at the mounting site.
  • the support member 14 of the antenna is suspended, in the service position, at the end of the external part 12 of the arm 1 and can be placed horizontally to move into the maintenance position, above the platform B.
  • the external part 12 of the arm is pivotally mounted, around the horizontal axis 10, on the internal part 11 which is supported on the base 2 by a centering bearing 3 around a vertical axis 20. It is thus possible to first place the equipment in a horizontal position, above the parapet, then to rotate the entire arm around axis 20 in order to place the equipment in the maintenance position above the platform .
  • the two parts 11 and 12 of the arm 1 are connected by two junction flanges applied one on the other, respectively a first flange 51 fixed on the external side of the support part 11 of the arm 1 and a second flange 52 which is fixed on the internal end of the pivoting part 12 carrying the equipment and is kept applied to the first flange 51 by tightening bolts 53 in order to secure the two parts of the arm.
  • the bolts 53 are loosened so that the two flanges 51, 52 can slide one over the other in order to allow the external part 12 to pivot around the horizontal axis 10
  • the bolts 53, mounted on the rotating flange 52 pass through circular slots 54 provided on the fixed flange 51.
  • one of the junction flanges is provided with a collar which engages in a cylindrical surface provided on the other flange.
  • the support part 11 is carried, either by two half-shells clamped on the tubular end of the base and resting on a circular collar, or by a vertical foot provided, at its base, with a plate resting on a corresponding plate of the base.
  • the subject of the present invention is therefore a new arrangement of all of the rotating parts making it possible to avoid or, at least, reduce the risk of blocking, on the one hand thanks to excellent distribution of the applied loads and, on the other hand on the other hand, thanks to better protection of the various mechanisms against bad weather and the risks of various pollution.
  • the support part 11 of the arm 1 is made up of a rigid tube with a horizontal axis forming a cylindrical housing 4 centered on the horizontal axis 10, which is supported on the base 2 in its central part 43 resting on a centering bearing 3 on the vertical axis of rotation 20.
  • this housing 4 extends only over a reduced length, on either side of the axis, between an external side 42 of maintaining the pivoting part 12 of the arm and an internal side 41 on which are mounted means 7 for controlling the pivoting of the external part 12 around the horizontal axis 10 of the tubular housing 4 forming the internal part 11 for supporting the arm 1.
  • the pivoting external part 12 of the arm rests on the internal part 11 via a centering shaft 6 which extends axially inside the housing 4, in the extension of the part 12 and forms with it a single piece, as shown in Figure 3 .
  • This shaft 6 is centered and bears on the cylindrical external wall 40 of the housing 4 via two spaced apart rolling bearings 63, 64 placed at the two ends of the housing 4, on either side of the vertical axis of rotation 20 and held apart by a spacer tube 65 into which the centering shaft 6 is inserted, with play.
  • the junction plane with the external pivoting part 12 is closer than previously to the vertical pivot axis 20 of the arm 1, the greatest length of which is thus constituted by the external part 12 which extends above the parapet (E) to protrude outside the platform.
  • the shaft 6 extends over a length greater than that of the housing 4 between two ends projecting outside the latter, respectively an internal end 61 to which a torque can be applied to control the pivoting of the pivoting external part 12, and an external end 62 which crosses the plane of the fixed junction flange 51 and is welded to the central part of the rotating flange 52, the latter being provided with a central orifice of polygonal section in which engages the end 62, of conjugate section, of the shaft 6 which thus serves, on the one hand to transmit the pivoting control torque applied to the internal end 61 and, on the other hand, to take up the load of the external part 12 to transmit it to the support part 11 by the two spaced apart bearings 63, 64.
  • the rotating flange 52 remains held in a plane perpendicular to the axis 10, as does the fixed flange 51 on which it is applied, which makes it possible to avoid excessive friction which could block the pivoting.
  • the first flange 51 has a central orifice 55 of the same diameter as the cylindrical housing 4 in order to be threaded and welded on the external side 42 of it. here, at the level of the external bearing 63. If necessary, to better ensure the connection of the shaft 6 with the pivoting part 12, a sleeve 56 threaded onto the end 62 of the shaft 6 could be welded onto the flange rotating 52, around the central orifice thereof.
  • the housing 4 is fixed, in its central part 43, on a centering part 8 on the vertical axis 20 of the base 2, consisting of a cylindrical tube 80 which is centered on an axis perpendicular to that of the housing and can be threaded with clearance onto a cylindrical column 21 with a vertical axis, forming at least the upper part of the base 2 .
  • This column 21 is closed, at its upper part, by a plate 22 carrying the centering bearing 3 on which the housing 4 rests and it can constitute the entire base 2 which is fixed and kept recessed, at its end lower, on a base plate 23, applied and sealed on the platform (B).
  • the tube 80 is threaded into two aligned circular orifices 81 provided in the upper part of the tube 80, below a closing plate 82 and around the perimeter of which the cylindrical external wall is welded 40 of housing 4.
  • the axial bearing 3 advantageously comprises a single ball 31 centered on the axis 20 and resting on a circular ball cage interposed between an upper plate holding the balls and a bowl fixed on the body 34 of the bearing which is embedded in the plate 22 closing the column 21 of the base 2.
  • the central part 43 of the housing 4 is supported on the bearing 3 via a transverse plate 45 welded to the guide tube 80 and placed slightly below the lower part of the cylindrical wall 40 of the housing 4 , in order to avoid a risk of deformation thereof under the effect of this punctual support.
  • the centering tube 80 which is threaded with clearance on the column 21, is supported on the latter via two paths of horizontal bearings 9, 9', provided on two levels spaced apart in height from column 21 of base 2.
  • each raceway 9, 9' comprises a row of balls 91, 91', arranged contiguously along the periphery of the column 21, between two circular collars 92, 93 spaced apart from each other by a distance corresponding to the diameter of the balls 91 and each consisting of two half-crowns welded to the cylindrical external wall 24 of the column 21.
  • the two rows of balls 91, 91' are centered, respectively, on two planes P, P' perpendicular to the axis 20 of the column 21 and spaced apart in height by a distance H making it possible to ensure that it is kept horizontal of the arm 1, taking into account the overhang effect, thanks to the rigidity of the housing 4, the column 21 and the centering part 8.
  • the upper collar 93 of the upper raceway 9 is thicker than the lower collar 92, the arrangement being reversed for the lower raceway 9'.
  • the balls can be held simply by adhesion in a layer of grease filling the space between the collars 92, 93.
  • the tube can be provided, at the level of each raceway 9, 9', with orifices 85, 85' making it possible to adapt a grease nipple (not shown) for injecting grease between the circular collars.
  • the centering tube 80 can, advantageously, be provided with a plurality of screws 83 with a horizontal axis, which are supported on the column 21 of the base 2 to lock the arm 1 in the service position by tightening screws 83 and to allow its rotation around the vertical axis 20, in a slightly loosened position.
  • the means for controlling the movements of the arm and the antenna to fold it horizontally and bring it above the platform will not only have to exert a pivoting torque corresponding to the significant weight of the moving masses but, in addition, allow sufficiently flexible and precise control of the movements of the antenna for the folding and depositing of the latter, in the maintenance position, in an often tight space, taking into account the bulk of the platform.
  • the means for controlling the pivoting is constituted by a worm gear reducer 7 fixed on the internal side 41 of the housing 4 which is closed, for this purpose, by a annular plate 44 provided with lateral lugs for fixing the reducer 7, in the manner shown on the Figure 3 .
  • this reducer 7 comprises, inside a casing 70, an endless screw 71 meshing with a helical toothed wheel 72 which is threaded and locked in rotation by keying, on an axial rod 66 fixed on the the internal end 61 of the shaft 6 and extending in the extension thereof, outside the housing 4.
  • the entire mechanism is placed between the two side walls 73 of the casing 7 which are carried by bearings 74 threaded into the two ends of the axial rod 66.
  • a crank 75 or a motor allows, by rotation of the endless screw 71 and the toothed wheel 72, to control in a flexible, precise manner and without risk of blocking, the pivoting of the external part 12 of the arm 1 and of the equipment 14, even in the event of its heavy weight.
  • the different components can first be manufactured in the workshop and assembled for testing.
  • a complete arm comprising the two parts 11, 12 connected by the flanges 51, 52, as well as the centering tube 80 fixed on the housing 4 and, on the other hand, the column 21 equipped with the sealing plate 23, the retaining collars of the two raceways, welded on its external face 24, as well as the centering bearing 3 mounted on the upper plate 22.
  • the arm 1 is mounted in advance on the column 21, before transport to the site.
  • the two raceways 9, 9' are first placed on the column 21 by placing, between the collars 92, 93, the contiguous balls 91 which are held by adhesion by means of a layer of fat.
  • the column 21 thus equipped is then threaded into the centering tube 80 of the arm 1 until the ball 31 of the bearing 3 meets the transverse support plate 45 of the housing 4.
  • the assembly is then temporarily secured by means of a locking rod 25 whose ends pass through two diametrically opposite pairs of orifices 26, 86 which are drilled, respectively, in the wall 24 of the column 21 and the wall 80 of the centering tube and placed so as to coincide in the support position, on the bearing 3, of the housing 4 with the tube 80.
  • the assembly is blocked removably by nuts screwed onto the threaded ends of the rod 25.
  • the column 21 equipped with its sealing plate 23 can thus be transported to the site with the entire support arm 1, without risk of loss of the balls 91 of the raceways 9, 9'. After sealing the column 21 in the required position on the platform, the locking rod 25 can be removed.
  • the antenna support member 14 and the means 7 for controlling the pivoting are fixed on the arm 1 in a removable manner and can therefore be mounted after the sealing, on the platform B, of the base 2 .
  • the antenna can then be fixed on the support member 14 of the arm 1, then placed in the service position, outside the platform.
  • the different elements of the device which has just been described by way of simple example, can be produced and assembled in different ways in order to best meet the operator's requirements, taking into account the particularities of the site chosen for the installation of the equipment and in particular the size of the platform.
  • FIG. 8 illustrates the usual case of equipment C fixed on an elongated support member 14 which is suspended, along the facade F of the building, at the end 13 of the support arm 1.
  • the latter is well centered, by the tube 80, on the vertical column 21 forming the base and the latter is fixed, by the lower plate 23, on a sealing pad 27 which can be placed near the parapet E or, even , applied to an inclined parapet.
  • the height of this stud 27 can be adjusted according to that of the parapet E.
  • the length of the pivoting part 12 can therefore be reduced and, as indicated above, the support part 11, well balanced and centered by the bearing 3 on the vertical axis 20 can also be quite short, taking into account the loads applied .
  • the overall length of the arm 1 being thus reduced, it is easier, after having placed the antenna horizontally by pivoting around the axis 10, to make it pass over the platform and direct it towards a free horizontal deposit zone whose position can be chosen according to the possibilities.
  • the entire device can, thus, be placed on a relatively cluttered platform, for example by various accessories or chimneys between which it will be possible to delimit a free space in the shape of an elongated rectangle corresponding to the dimensions of the equipment.
  • the level of the support arm 1 could be adjusted relative to that of the platform, for example to have the space necessary for the installation of boxes electronics 18, on either side of the base 2.
  • the document FR 2 844 640 describes an arrangement of this type in which, to allow the antenna to be folded into the horizontal maintenance position, the vertical support mast is connected to the fixed base by a connecting member articulated around a horizontal axis.
  • the length of the pivoting part 12 of the arm can be very reduced, for example of the order of 25 cm. Even if it is necessary to take into account the dimensions of the reducer 7 or of a false chimney 100 surrounding the antenna C, the assembly could be installed in a space of reduced dimensions, of the order of 1 m 2.
  • such a device is intended, essentially, to allow, without risk of blockage, the folding into the horizontal maintenance position of equipment having a significant weight.
  • the mounting device is of the same type as in the case of the Figure 9 and comprises, as previously, a vertical mast 14 carried by a fixing member 13 on the end of a horizontal support arm 1 comprising an external part 12 pivotally mounted, around the axis 10, on an internal part 11 constituted of a housing 4 bearing on the upper end of a base column 21 and secured to a tubular part 8 for centering on the vertical axis 20 of the column 21.
  • the mast 14 carries an antenna 16 which, in the case of the 4G network, can have a height of approximately 2.7 meters.
  • the same device will be equipped with a second mast 14' parallel to the first mast and connected to it by spacers 17 for maintaining their spacing, on which a second antenna 16' can be fixed.
  • this 16' antenna could, moreover, have a lower height, of the order of 1m.
  • These two coplanar antennas 16, 16' could, as in the arrangements described above, be oriented by rotation of the arm 1 around the vertical axis 20, for the Azimuth adjustment or by pivoting around the axis 10 for the Tilt adjustment.
  • the overall length of arm 1 will be determined taking into account the space occupied by the two antennas to allow the rotation of the assembly around the vertical axis 20 and its folding into the maintenance position, taking into account the size of the platform.
  • the height of the support arm 1 above the platform can be determined so as to have the space necessary to place electronic boxes 18 on either side of the base 2.

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  • Pivots And Pivotal Connections (AREA)

Claims (15)

  1. - Vielseitige Vorrichtung für die Montage einer Apparatur auf einer Plattform, mit einem Arm (1) zum Aufhängen der Apparatur (C), der sich entlang einer horizontalen Achse (10) von einer auf der Plattform (B) befestigten Basis (2) bis zu einem freien, ein Element (14) zum Halten der Apparatur (C) in einer Position senkrecht zur horizontalen Achse (10) tragenden Ende (13) erstreckt und um die horizontale Achse (10) schwenkbar auf einer auf der Basis (2) aufliegenden und daran um eine senkrechte Achse (20) drehbar montierten Stützbaugruppe (11) montiert ist, Mitteln zur Steuerung der Schwenkung des Aufhängungsarms (1) um die horizontale Achse (10), die es ermöglichen, die Apparatur (C) aus einer senkrechten Arbeitsposition in eine angehobene Position zu schwenken, und Mitteln zur Steuerung der Schwenkung des Arms (1) mit der Stützbaugruppe (11) um die senkrechte Drehachse (20), die es ermöglichen, die Apparatur (C) in eine Wartungsposition über dem Niveau der Plattform (B) zu bringen, wobei der Aufhängungsarm (1) aus zwei Teilen besteht, die in Verlängerung zueinander entlang der horizontalen Achse (10) angeordnet sind, und zwar einem schwenkbaren äußeren Teil (12), der an seinem freien Ende (13) das Element (14) zum Halten der Apparatur (C) trägt, und einem inneren Teil (11), der die Dreheinheit zum Tragen des Arms (1) bildet und sich auf der Basis (2) mit der Möglichkeit einer Drehung um die senkrechte Achse abstützt, wobei die beiden Teile des Arms (1), das heißt der innere (11) und der äußere (12), an ihren gegenüberliegenden Enden durch zwei durch abnehmbare Klemmittel aufeinander gedrückte Verbindungsflansche (51, 52) miteinander verbunden sind, und zwar einen festen Verbindungsflansch (51), der an einer Außenseite (42) des inneren Stützteils (11) des Arms (1) befestigt ist, und einen drehbaren Verbindungsflansch (52), der an einem inneren Ende des schwenkbaren äußeren Teils (12) befestigt ist, dadurch gekennzeichnet, daß der innere Teil (11), mit dem sich der Arm (1) auf der Basis (2) abstützt, ein hohles Gehäuse (4) bildet, in dem alle Mechanismen eingeschlossen sind, wobei das Gehäuse (4) durch eine starre zylindrische Wand (40) begrenzt ist, die die horizontale Achse (10) des Arms als Achse hat und sich zwischen einem äußeren Ende (42), an dem der feste Verbindungsflansch (51) angebracht ist, und einem inneren Ende (41), an dem die Mittel (7) zur Steuerung der Drehung des äußeren Teils (12) des Arms um die horizontale Achse (10) montiert sind, beiderseits eines mittleren Teils (43), der sich über ein Lager (3) zum Zentrieren um die senkrechte Drehachse (20) des Arms (1) auf der festen Basis (2) abstützt, erstreckt, und daß der schwenkbare äußere Teil (12) des Arms nach Lösen der Verbindungsflansche (51, 52) von einer Zentrierwelle (6) getragen wird, die um die horizontale Achse (10) drehbar auf zwei voneinander beabstandeten Lagern (63, 64) angebracht ist, die sich an der zylindrischen Wand (40) des Gehäuses (4) beiderseits des Zentrierlagers (3) an der senkrechten Achse (20) abstützen, wobei sich die Zentrierwelle (6) axial in Verlängerung des schwenkbaren Teils (12) des Arms über eine Länge erstreckt, die größer als die des Gehäuses (4) ist, und zwar zwischen zwei nach außen vorstehenden Enden, einem inneren Ende (61), an dem das Mittel (7) zur Steuerung des Schwenkens drehfest befestigt ist, und einem äußeren Ende (62), das die Ebene des festen Verbindungsflansches (51) schneidet und mit dem mittleren Teil des drehbaren Flansches (52) so verschweißt ist, daß der durch die Zentrierwelle (6) verlängerte schwenkbare Teil (12) des Arms (1) ein einziges Stück bildet.
  2. - Vorrichtung für die Montage einer Apparatur nach Anspruch 1, dadurch gekennzeichnet, daß der drehbare Verbindungsflansch (52) in seinem mittleren Teil mit einer Öffnung (55) versehen ist, in die das äußere Ende (62) der Zentrierwelle (6) eingreift, das mit dem Umfang der zentralen Öffnung (55) verschweißt ist, um den schwenkbaren Teil (12) des Arms (1) mit der Zentrierwelle (6) zu verbinden, die somit einerseits zur Übertragung des durch das Schwenksteuermittel (7) auf ihr inneres Ende (61) ausgeübte Schwenksteuermoment und andererseits zum Auffangen der Last des äußeren Teils (12) des Arms (1), um diese durch die beiden beabstandeten Lager (63,64)auf den inneren Stützteil (11) zu übertragen, dient.
  3. - Vorrichtung für die Montage einer Apparatur nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß der feste Verbindungsflansch (51) eine ringförmige Platte bildet, die mit einer zentralen Öffnung (52) mit dem gleichen Durchmesser wie das zylindrische Gehäuse (4) versehen ist, um auf dessen Außenseite (42) senkrecht zur Achse (10) aufgezogen und verschweißt zu werden.
  4. - Vorrichtung für die Montage einer Apparatur nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Mittel zur Steuerung der Drehung des schwenkbaren Teils (12) des Arms (1) ein Schneckengetriebe (7) ist, das in einem Gehäuse (70) montiert ist, das an der Verschlußplatte (44) auf der Innenseite (41) des Gehäuses (4) befestigt ist und eine Endlosschraube (71) aufweist, die mit einem schraubenförmig verzahnten Rad (72) kämmt, das auf eine axiale Stange (66), die sich über das innere Ende (61) der Zentrierwelle (6) hinaus und in deren Verlängerung außerhalb des Gehäuses (4) erstreckt, aufgezogen und daran drehfest gesichert ist.
  5. - Vorrichtung für die Montage einer Apparatur nach Anspruch 4, dadurch gekennzeichnet, daß das Rad (72) und die Endlosschraube (71) des Untersetzungsgetriebes (7) zwischen zwei Seitenwänden (73) des Gehäuses (70) angeordnet sind, die drehbar auf Lagern (74) montiert sind, die auf die beiden Enden der Axialstange (66) aufgezogen sind.
  6. - Vorrichtung für die Montage einer Apparatur nach einem der vorhergehenden Ansprüche, wobei zumindest der obere Teil der Basis (2) die Form einer zylindrischen Säule (21) hat, die zu einer senkrechten Achse (20) zentrisch ist, dadurch gekennzeichnet, daß das Gehäuse (4), das den inneren Stützteil (11) des Arms bildet, in seinem mittleren Teil (43) an einem axialen Zentrierteil (8) befestigt ist, das aus einem zylindrischen Rohr (80) besteht, das zu einer Achse zentrisch ist, die senkrecht zu der des Gehäuses (4) ist und mit Spiel auf die zylindrische Säule (21) des Sockels (2) aufgezogen ist, die an ihrem oberen Teil durch eine Platte (22) verschlossen ist, die das Lager (3) zur senkrechten Zentrierung des Arms (1) trägt, auf dem sich das Gehäuse (4) abstützt.
  7. - Vorrichtung für die Montage einer Apparatur nach Anspruch 6, dadurch gekennzeichnet, daß das Lager (3) zur senkrechten Zentrierung des Aufhängungsarms (1) eine einzige Stützkugel (31) aufweist, die sich auf einer unteren Mittelfläche (45) des hohlen Gehäuses (4) abstützt und auf einem Kugellager, das an der oberen Abschlußplatte (22) der Säule (21) des Sockels (2) montiert ist, ruht.
  8. - Vorrichtung für die Montage einer Apparatur nach einem der Ansprüche 6 und 7, dadurch gekennzeichnet, daß sich das Zentrierrohr (80) über mindestens zwei horizontale, auf mindestens zwei in der Höhe voneinander beabstandeten Ebenen eingerichteten und zwischen der zylindrischen Außenfläche (24) der Säule (21) und der Innenfläche (84) der Wand des Zentrierrohrs (80) liegenden Kugellagerbahnen (9, 9') an der Säule (21) abstützt.
  9. - Vorrichtung für die Montage einer Apparatur nach Anspruch 8, dadurch gekennzeichnet, daß jede Kugellagerbahn (9) eine Reihe aneinandergrenzender Kugeln (91) aufweist, die am Umfang der Säule (21) zwischen zwei auf die Außenfläche (24) derselben aufgeschweißten kreisförmigen Kragen (92, 93) angeordnet sind und sich horizontal über zwei Ebenen, die um eine Höhe voneinander beabstandet sind, die dem Durchmesser der Kugeln (91) entspricht, erstrecken.
  10. - Vorrichtung für die Montage einer Apparatur nach Anspruch 9, dadurch gekennzeichnet, daß bei jeder Kugellagerbahn (9) der Raum zwischen den Kragen (92, 93) mit einer Schicht eines Fetts zum Zurückhalten der Kugeln (91) durch Adhäsion gefüllt ist.
  11. - Vorrichtung für die Montage einer Apparatur nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, daß das zylindrische Rohr (80), das den axialen Zentrierteil bildet, an seinem oberen Teil mit zwei aufeinander ausgerichteten kreisförmigen Öffnungen (81) versehen ist, in die die zylindrische Wand (40) des Gehäuses (4) eingebracht und verschweißt ist, wobei sich letzteres in seinem mittleren Teil (43) über eine Querplatte (45), die mit dem Zentrierrohr (80) verschweißt ist und wenig unterhalb der zylindrischen Wand (40) des Gehäuses (4) verläuft, auf dem senkrechten Zentrierlager (3) abstützt, so daß letzteres nicht Gefahr läuft, durch die Stützkräfte auf dem Lager (3) verformt zu werden.
  12. - Vorrichtung nach einem der vorhergehenden Ansprüche, für die Montage einer Apparatur auf einer Plattform (B), wobei die Apparatur mindestens zwei nebeneinander angeordnete Antennen aufweist, dadurch gekennzeichnet, daß sie mindestens zwei längliche voneinander beabstandete Elemente (14, 14') zum Tragen der Antennen aufweist, und zwar ein erstes längliches Element (14) zum Tragen einer ersten Antenne (16), die einen Mast bildet, der am Ende (13) des schwenkbaren Außenteils (12) des Arms (1) befestigt ist, und ein zweites längliches Element (14') zum Tragen einer zweiten Antenne (16'), die vom ersten Stützelement (14) getragen und durch Abstandshalter (17) von diesem beabstandet gehalten wird.
  13. - Vorrichtung nach einem der vorhergehenden Ansprüche, zur Montage einer an einem senkrechten Mast befestigten und in die Wartungsposition klappbaren Apparatur auf einer Plattform, wobei der Mast mit der festen Basis durch ein Verbindungselement verbunden ist, das um einen um eine horizontale Achse gelenkigen Gelenkkopf angelenkt ist, dadurch gekennzeichnet, daß die Länge des senkrechten Stützmastes (14), der am Ende (13) des schwenkbaren Außenteils (12) des Arms (1) befestigt ist, so bemessen ist, daß die Einheit auf einem Raum mit reduzierten Abmessungen installiert werden kann, wobei die Möglichkeit der Drehung der Vorrichtung um die senkrechte Achse (20) eine präzise Ausrichtung des Tragarms (1) ermöglicht, um das Gerät in der Wartungsposition auf einem freien Bereich der Plattform (B) zu platzieren.
  14. - Verfahren für die Installation einer Vorrichtung für die Montage einer Apparatur nach einem der Ansprüche 6 bis 13 auf einer Plattform, dadurch gekennzeichnet, daß die verschiedenen Komponenten der Vorrichtung zunächst in der Werkstatt hergestellt werden und daß für die Installation auf einer Plattform (B) nach der Konstruktion einer Basis (2), die einen oberen Teil in Form einer Säule (21) aufweist und an ihrer Basis eine Platte (23) zur Befestigung auf der Plattform aufweist, sowie eines Tragarms (1) mit einem schwenkbaren Teil (12) zum Tragen der Apparatur und einem inneren Stützteil (11), der aus einem starren Gehäuse (4) besteht, das an einem Zentrierrohr (80) befestigt ist, das vorab mit zwei beabstandeten Laufbahnen (9, 9') ausgestattet ist, die Säule (21) in das Zentrierrohr (80) eingeführt und daran abnehmbar befestigt wird, dann die Einheit zum Montageort der Apparatur transportiert wird und die Basis (2) dann mit ihrer Platte (23) auf der Plattform (B) befestigt und dann vom Zentrierrohr (80) getrennt wird und der Arm (11, 12) dann für die Inbetriebnahme der Apparatur bereit ist.
  15. - Verfahren nach Anspruch 14 zum Aufbau einer Vorrichtungsbefestigungsvorrichtung nach einem der Ansprüche 7 bis 13, dadurch gekennzeichnet, daß der gesamte Tragarm (1) und die Grundplatte (2) mittels einer Verriegelungsstange (25) vorübergehend befestigt ist, deren Enden durch zwei diametral gegenüberliegende Lochpaare (26, 86), die jeweils in die Säulenwand (21) der Aufnahme (2) und in die Wand des Zentrierrohres (80) gebohrt sind und
EP20000073.5A 2019-02-20 2020-02-19 Mehrzweckvorrichtung zur montage einer apparatur auf eine plattform Active EP3700006B1 (de)

Applications Claiming Priority (3)

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FR1901712A FR3092895B1 (fr) 2019-02-20 2019-02-20 Dispositif de suspension d'un appareillage a partir d'une plateforme
FR1912682A FR3103326B1 (fr) 2019-11-14 2019-11-14 Dispositif de suspension d’un appareillage
FR1913581A FR3103970B1 (fr) 2019-12-01 2019-12-01 Dispositif de montage d’un appareilage sur une plateforme surélevée.

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FR2823014B1 (fr) * 2001-04-02 2004-09-24 Sed Lyon Dispositif de montage d'une antenne sur une paroi avec suspension de l'antenne le long de cette paroi

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FR959737A (de) * 1942-04-10 1950-04-04
JP2898180B2 (ja) 1993-09-01 1999-05-31 積水化成品工業株式会社 吸水性樹脂の製造方法
FR2815476B1 (fr) 2000-10-13 2003-01-24 Eurl Midi Pyrenees Antennes Dispositif de deplacement d'un mat mobile destine au support d'au moins une antenne
FR2824956B1 (fr) 2001-05-18 2003-08-08 Scle Soc De Construction De Li Support d'antennes securise
FR2844640B1 (fr) 2002-09-16 2009-10-30 Raphael Pillosio Mat rabattable support d'antenne de radio communication avec radome
FR2898180B1 (fr) 2006-03-06 2010-04-23 Luigi Pillosio Dispositif orientable de suspension d'appareillage
US9322912B2 (en) * 2012-01-20 2016-04-26 Enterprise Electronics Corporation Transportable radar utilizing harmonic drives for anti-backlash antenna movement

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FR2823014B1 (fr) * 2001-04-02 2004-09-24 Sed Lyon Dispositif de montage d'une antenne sur une paroi avec suspension de l'antenne le long de cette paroi

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