NO316230B1 - Telescopic mast system - Google Patents

Telescopic mast system Download PDF

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Publication number
NO316230B1
NO316230B1 NO20000704A NO20000704A NO316230B1 NO 316230 B1 NO316230 B1 NO 316230B1 NO 20000704 A NO20000704 A NO 20000704A NO 20000704 A NO20000704 A NO 20000704A NO 316230 B1 NO316230 B1 NO 316230B1
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Norway
Prior art keywords
mast
stay
vehicle
boom
strut
Prior art date
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NO20000704A
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Norwegian (no)
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NO20000704L (en
NO20000704D0 (en
Inventor
Kauko Kaasalainen
Hannu Martikainen
Timo Hemminki
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Patria Vehicles Oy
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Publication date
Application filed by Patria Vehicles Oy filed Critical Patria Vehicles Oy
Publication of NO20000704D0 publication Critical patent/NO20000704D0/en
Publication of NO20000704L publication Critical patent/NO20000704L/en
Publication of NO316230B1 publication Critical patent/NO316230B1/en

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/27Adaptation for use in or on movable bodies
    • H01Q1/32Adaptation for use in or on road or rail vehicles
    • H01Q1/3208Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3216Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used where the road or rail vehicle is only used as transportation means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/1235Collapsible supports; Means for erecting a rigid antenna

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  • Forklifts And Lifting Vehicles (AREA)
  • Earth Drilling (AREA)
  • Support Of Aerials (AREA)
  • Jib Cranes (AREA)

Abstract

A telescopic mast system, comprising a movable base (1); a telescopic mast (2) comprising an outer mast section (3) and an inner mast section (5) ; a power means (6) for turning the mast; stay ropes (10, 11, 12) for staying the mast so as to render it substantially immovable in the operating position; a stay beam (13, 14) which in the operating position (II) of the mast (2) can be extended laterally from the mast; a diverting element (15, 16) placed at the end of the stay beam; a coiling device (17, 18) for receiving the stay rope passed over the diverting element (15, 16) so as to coil up and tighten the stay rope. The stretcher device (19) comprises a slide (20) movable on and guided by the outer mast section (3); a bearing rod (21) pivotally connected by one end (22) to the slide (20) and by the other end to the base (1) so that the bearing rod (21) turns in a parallel plane with the mast and the power means (6); and a turning rod (25) pivotally connected by one end (26) to the slide (20) and by the other end (27) to the stay beam (13, 14) to turn the stay beam between the position (A) where it lies parallel to the mast and t-he outstretched position (B) as the slide is moved along the outer mast section by the action of the bearing rod when the mast is being turned by the power means between the transport position and the operating position. <IMAGE>

Description

Foreliggende oppfinnelse vedrører et teleskopisk mastsystem som angitt i ingressen av krav 1 The present invention relates to a telescopic mast system as stated in the preamble of claim 1

Fra tidligere er det kjent en teleskopisk forlengbar og innskyvbar mast som er montert på et terrenggående kjøretøy og konstruert for å løfte en anordning, f eks en radarantenne, til en høyde mens kjøretøyet er stasjonært Masten består av langstrakte mastseksjoner anordnet i et teleskopisk arrangement i forhold til hverandre og omfattende en ytre mastseksjon som er dreibart forbundet med kjøretøyet slik at den kan dreie mellom en horisontal transportstilling og en vertikal bruksstilling En hydraulsylinder er anordnet mellom kjøretøyet og den ytterste mastseksjon for å dreie masten mellom de horisontale og vertikale stilling-er. Den indre mastseksjon er inne i den ytre mastseksjon I bruksstilling danner den indre mastseksjon den øverste mastseksjon i masten Antennen monteres i toppen av den indre mastseksjon. I den vertikale bruksstilling må masten avstives med stag for å hindre at den bøyer seg og svinger Den ene ende av stagene er festet til den frie ende av den indre mastseksjon, dvs til mastenB topp Etter at masten er blitt reist til vertikal stilling, strammes stagene ved hjelp av et vendeelement og en spenninnretnmg anordnet på bæreben som hviler på bakken og som virker som stagbommer Bærebena må bringes til den stilling hvor de hviler på bakken før stagene kan strammes Systemer av denne type er vist f.eks. i publikasjonene EP 0 296 957 A3, DE 38 39 858 Al og SE 409 320 From the past, a telescopically extendable and retractable mast is known which is mounted on an off-road vehicle and designed to lift a device, e.g. a radar antenna, to a height while the vehicle is stationary. The mast consists of elongated mast sections arranged in a telescopic arrangement in relation to to each other and comprising an outer mast section which is rotatably connected to the vehicle so that it can rotate between a horizontal transport position and a vertical use position. A hydraulic cylinder is arranged between the vehicle and the outermost mast section to rotate the mast between the horizontal and vertical positions. The inner mast section is inside the outer mast section In the use position, the inner mast section forms the top mast section in the mast The antenna is mounted at the top of the inner mast section. In the vertical position of use, the mast must be braced with struts to prevent it from bending and swinging One end of the struts is attached to the free end of the inner mast section, i.e. to the mastB top After the mast has been raised to a vertical position, the struts are tightened by means of a turning element and a tension device arranged on support legs that rest on the ground and which act as strut booms The support legs must be brought to the position where they rest on the ground before the struts can be tightened Systems of this type are shown e.g. in the publications EP 0 296 957 A3, DE 38 39 858 A1 and SE 409 320

Å montere understellet på bakken og demontere det er en be-sværlig og tidkrevende operasjon Dersom et kjøretøy brukes som et understell, vil det i noen tilfeller være tilstrek-kelig sterkt uten at det er ytterligere understøttet av ben som hviler på bakken. I militær bruk er det spesielt prob-lematisk at den forberedende fase tar lang tid før man når bruksstilling fordi det er av meget stor betydning at an-ordningen på toppen av masten, f eks en radarantenne, bringes meget raskt fra transportstillmg til bruksstilling Mounting the chassis on the ground and dismantling it is a difficult and time-consuming operation. If a vehicle is used as a chassis, it will in some cases be sufficiently strong without being further supported by legs resting on the ground. In military use, it is particularly problematic that the preparatory phase takes a long time before reaching the position for use because it is of very great importance that the device on top of the mast, for example a radar antenna, is brought very quickly from the transport position to the position for use

og vice versa før man blir registrert av fienden Tidligere kjente systemer er derfor ikke egnet for militært bruk Et ytterligere problem med de tidligere kjente systemer er at de benytter separate drivorganer for å bringe understellets understøttelsesben brukt som stagbommer til sin forlengede stilling, med det resultat at systemet er komplisert og kostbart and vice versa before being registered by the enemy. Prior art systems are therefore not suitable for military use. the system is complicated and expensive

Oppfinnelsens formål er å eliminere de ovenfor nevnte prob-lemer The purpose of the invention is to eliminate the above-mentioned problems

Et spesielt formål med oppfinnelsen er å tilveiebringe et teleskopisk mastsystem som raskt kan bringes fra en transportstilling til en vertikal stilling og er avstivet slik at det er klart for bruk A particular object of the invention is to provide a telescopic mast system which can be quickly brought from a transport position to a vertical position and is braced so that it is ready for use

Et ytterligere formål med oppfinnelsen er å tilveiebringe et system som minimaliserer behovet for drivorganer, så som hydraulsylindre A further object of the invention is to provide a system which minimizes the need for drive means, such as hydraulic cylinders

Når det gjelder de karakteristiske trekk ved systemet iføl-ge oppfinnelsen, skal det vises til kravene When it comes to the characteristic features of the system according to the invention, reference must be made to the requirements

Ifølge oppfinnelsen omfatter det teleskopiske mastsystem en strammeanordning for å svinge stagbommen mellom en stilling hvor stagbommen ligger i en retning parallell med masten og en stilling hvor stagbommen er i vinkel med masten, idet strammeanordningen omfatter en glider som er bevegelig på og styrt av den ytre mastseksjon, en støttestang hvis ene ende er dreibart forbundet med glideren og den andre ende er dreibart forbundet med understellet med et tredje ledd anordnet i avstand fra det første ledd slik at støttestang-en svinger i et plan som er parallelt med mastens og driv-organets plan; og en dreiestang hvis ene ende er dreibart forbundet med glideren, mens dens andre ende er dreibart forbundet med stagbommen for å svinge stagbommen mellom en stilling parallell med masten og en utstrukket stilling når glideren beveger seg langs den ytre mastseksjon på grunn av According to the invention, the telescopic mast system comprises a tensioning device for swinging the stay boom between a position where the stay boom lies in a direction parallel to the mast and a position where the stay boom is at an angle to the mast, the tensioning device comprising a slider which is movable on and controlled by the outer mast section . ; and a pivot rod, one end of which is pivotally connected to the slider, while its other end is pivotally connected to the stay boom for swinging the stay boom between a position parallel to the mast and an extended position as the slider moves along the outer mast section due to

virkningen av støttestangen når masten svinges av drivorganet mellom transportstillingen og bruksstillingen the effect of the support rod when the mast is swung by the drive between the transport position and the use position

Oppfinnelsen tilveiebringer den fordel at systemet meget raskt og lett kan bringes fra transportstilling til bruksstilling og likeledes fra bruksstilling til transportstilling En ytterligere fordel er at stagbommen kan strekkes ut helt mekanisk, kontrollert av det samme drivorgan som brukes for å svinge den teleskopiske mast og samtidig med sistnevnte Videre medfører oppfinnelsen at systemet er fullstendig automatisert The invention provides the advantage that the system can very quickly and easily be brought from the transport position to the use position and likewise from the use position to the transport position. A further advantage is that the stay boom can be extended completely mechanically, controlled by the same drive that is used to swing the telescopic mast and at the same time the latter Furthermore, the invention means that the system is completely automated

I en utførelse av systemet omfatter dette to stagbommer som ved mastens bruksstilling er innrettet til å strekke seg radialt i forskjellige retninger utad fra masten In one embodiment of the system, this comprises two strut booms which, when the mast is in the position of use, are arranged to extend radially in different directions outwards from the mast

I en utførelse av systemet er stagbommen dreibart forbundet med den ytre mastseksjon In one embodiment of the system, the stay boom is rotatably connected to the outer mast section

I en utførelse av systemet omfatter masten én eller flere mellomliggende mastseksjoner anordnet teleskopisk mellom den ytre mastseksjon og den indre mastseksjon In one embodiment of the system, the mast comprises one or more intermediate mast sections arranged telescopically between the outer mast section and the inner mast section

I en utførelse av systemet er det bevegelige understell et motordrevet kjøretøy. In one embodiment of the system, the movable undercarriage is a motor-driven vehicle.

I en utførelse av systemet omfatter kjøretøyet en første ende og en andre ende, og det første ledd er anordnet på toppen av kjøretøyet nær dets første ende, slik at i transportstilling ligger masten på toppen av kjøretøyet, orientert i kjøretøyets lengderetning mot dets andre ende In one embodiment of the system, the vehicle comprises a first end and a second end, and the first link is arranged on top of the vehicle near its first end, so that in the transport position the mast lies on top of the vehicle, oriented in the longitudinal direction of the vehicle towards its second end

I en utførelse av systemet omfatter dette en første stagbom og en andre stagbom som i sin utstrukne bruksstilling strekker seg sideveis fra et vertikalt plan bestemt av masten og kjøretøyets lengderetning til hver sm side av nevnte plan med samme vinkler utenfor kjøretøyets første ende; en første spoleanordning anordnet i nærheten av kjøretøyets første ledd, et første stag som løper fra mastens topp via et vendeelement på den første stagbom til den første spoleanordning, en andre spoleanordning anordnet i nærheten av det første ledd på kjøretøyet, et andre stag som løper fra mastens topp via et vendeelement på den andre stagbom til den andre spoleanordning; og et tredje stag forbundet mellom masttoppen og kjøretøyet In one embodiment of the system, this includes a first strut boom and a second strut boom which, in its extended use position, extend laterally from a vertical plane determined by the mast and the longitudinal direction of the vehicle to each narrow side of said plane with the same angles outside the first end of the vehicle; a first coil device arranged near the first link of the vehicle, a first strut running from the top of the mast via a turning element on the first strut boom to the first coil device, a second coil device arranged near the first link of the vehicle, a second strut running from the top of the mast via a turning element on the second strut to the second spool device; and a third strut connected between the masthead and the vehicle

I en utførelse av systemet er det tredje stag festet til kjøretøyets andre ende In one embodiment of the system, the third strut is attached to the other end of the vehicle

I en utførelse av systemet omfatter dette en tredje spoleanordning for spoling og stramming av det tredje stag In one embodiment of the system, this comprises a third coil device for coiling and tightening the third strut

I en utførelse av systemet omfatter spoleanordningen en stagtrommel som staget kan spoles rundt, en bremseanordning for å bremse spoleanordningen, og en motor så som en hydraulisk motor for å rotere spoleanordningen In one embodiment of the system, the coiling device comprises a rod drum around which the rod can be coiled, a braking device to brake the coiling device, and a motor such as a hydraulic motor to rotate the coiling device

I det følgende vil oppfinnelsen bli beskrevet i detalj ved hjelp av noen av dens utførelser under henvisning til ved-føyde tegninger, hvor In the following, the invention will be described in detail with the help of some of its embodiments with reference to the attached drawings, where

fig. 1 viser et sidenss av en utførelse av et teleskopisk mastsystem ifølge oppfinnelsen med masten i transportstilling, fig. 1 shows a side view of an embodiment of a telescopic mast system according to the invention with the mast in transport position,

fig. 2 viser et perspektivisk riss av systemet på fig 1 i bruksstilling, fig. 2 shows a perspective view of the system in fig. 1 in the position of use,

fig. 3 viser systemet på fig 2 i sidenss, fig. 3 shows the system in fig. 2 in side nss,

fig. 4 viser systemet på fig 2 i et riss bakfra, og fig. 5 viser en forstørret detalj av fig 3 fig. 4 shows the system in fig. 2 in a rear view, and fig. 5 shows an enlarged detail of fig. 3

Fig. 1 viser et radarkjøretøy 1 forsynt med et teleskopisk mastsystem ifølge oppfinnelsen På figuren er masten i sin transportstilling på toppen av kjøretøyet Radarantennen som skal monteres på toppen av masten er ikke vist på fig 1-5. Fig. 1 shows a radar vehicle 1 equipped with a telescopic mast system according to the invention. In the figure, the mast is in its transport position on top of the vehicle. The radar antenna to be mounted on top of the mast is not shown in Fig. 1-5.

Slik det vil ses av fig 1-5, omfatter det teleskopiske mastsystem et bevegelig understell 1, som i dette eksempel er et motordrevet pansret terrenggående kjøretøy 1 på hvil-ket mastsystemet er blitt montert Det terrenggående kjø-retøy kan kjøres til ønsket sted og understøttes på bakken ved hjelp av hydrauliske bæreben anordnet på kjøretøyets fremre og bakre deler, som vist på fig. 2-4, hvorpå den teleskopiske mast 2 kan reises til sin vertikale bruksstilling som illustrert på fig. 2-4 As will be seen from figs 1-5, the telescopic mast system comprises a movable undercarriage 1, which in this example is a motor-driven armored all-terrain vehicle 1 on which the mast system has been mounted. The all-terrain vehicle can be driven to the desired location and supported on the ground by means of hydraulic support legs arranged on the front and rear parts of the vehicle, as shown in fig. 2-4, whereupon the telescopic mast 2 can be raised to its vertical position of use as illustrated in fig. 2-4

Systemet omfatter en forlengbar og innskyvbar teleskopisk mast 2, som i denne utførelse er et hydraulisk flertrinns sylindersystem Masten 2 består av langstrakte sylindriske mastseksjoner 3, 28, 29, 5 anordnet teleskopisk i forhold til hverandre. En ytre mastseksjon 3, som i vertikal stilling er den nederste mastseksjon, er dreibart montert med et første ledd 4 på kjøretøyets 1 bakre ende Leddet 4 tillater at masten 2 kan svinges mellom en horisontal transportstilling I som vist på fig 1, og en vertikal bruksstilling II som vist på fig 2-5 Øverst i masten 2 er det en indre mastseksjon 5. Mellom den nederste mastseksjon 3 og den øverste mastseksjon 5 er det ytterligere to mellomliggende teleskopiske mastseksjoner 28 og 29. The system comprises an extendable and retractable telescopic mast 2, which in this embodiment is a hydraulic multi-stage cylinder system. The mast 2 consists of elongated cylindrical mast sections 3, 28, 29, 5 arranged telescopically in relation to each other. An outer mast section 3, which in a vertical position is the lowest mast section, is rotatably mounted with a first joint 4 on the rear end of the vehicle 1. The joint 4 allows the mast 2 to be swung between a horizontal transport position I as shown in Fig. 1, and a vertical use position II as shown in fig 2-5 At the top of the mast 2 there is an inner mast section 5. Between the bottom mast section 3 and the top mast section 5 there are two further intermediate telescopic mast sections 28 and 29.

Masten 2 svinges mellom transport- og bruksstillingene ved hjelp av en hydraulsylinder 6 Slik det best ses av fig 5, er hydraulsylinderens 6 første ende 7 dreibart forbundet med kjøretøyet 1 med et andre ledd 8, som er anordnet i avstand fra det første ledd 4 Hydraulsylinderens 6 andre ende 9 er dreibart forbundet med den ytre mastseksjon 3 i et punkt nær sistnevntes ende The mast 2 is swung between the transport and use positions by means of a hydraulic cylinder 6. As best seen in Fig. 5, the first end 7 of the hydraulic cylinder 6 is rotatably connected to the vehicle 1 with a second link 8, which is arranged at a distance from the first link 4 of the hydraulic cylinder 6 second end 9 is rotatably connected to the outer mast section 3 at a point near the latter's end

Som illustrert på fig 2-5, holdes masten 2 ubevegelig ved hjelp av stag 10, 11, 12, som i sine øvre ender er festet til den indre mastseksjon 5 Stagene består fortrinns-vis av stålwirestag As illustrated in figs 2-5, the mast 2 is held immobile by means of struts 10, 11, 12, which are attached at their upper ends to the inner mast section 5 The struts preferably consist of steel wire struts

To stagbommer 13, 14 er dreibart forbundet med masten nær den ytre mastseksjons 3 nedre ende slik at de kan dreies mellom stilling A som vist på fig. 1, hvor stagbommene 13 og 14 er orientert i en retning hovedsakelig parallell med masten 2, og stilling B som vist på fig 2-5, hvor de er strukket ut radialt fra masten i forskjellige sideretnmg-er I den utstrukne stilling B er vinkelen mellom stagbommene 13, 14 omtrent 120°. Hver stagbom 13, 14 bærer i sin ende en vendeskive 15, 16 rundt hvilke stagene 10, 11 som er festet til mastens topp passerer. Fra vendeskivene 15, 16 løper stagene 10, 11 videre til en spoleanordning 17, 18. Hver spoleanordning 17, 18 omfatter en stagtrommel 33 på hvilken staget 10, 11 kan spoles, og en hydraulisk motor 34 for å rotere stagtrommelen 33 Når masten 2 senkes til transportstilling, spoles staget av fra stagtrommelen mens en bremse holder staget passende stramt Når masten er i vertikal stilling, roteres stagtrommelen 33 av den hydrauliske motor 34 for å stramme staget 10, 11 til et egnet strekk Two stay booms 13, 14 are rotatably connected to the mast near the lower end of the outer mast section 3 so that they can be turned between position A as shown in fig. 1, where the stay booms 13 and 14 are oriented in a direction mainly parallel to the mast 2, and position B as shown in Fig. 2-5, where they are stretched radially from the mast in different lateral directions. In the stretched position B, the angle between the stay booms 13, 14 approximately 120°. Each strut boom 13, 14 carries at its end a turning disc 15, 16 around which the struts 10, 11 which are attached to the top of the mast pass. From the turning discs 15, 16, the struts 10, 11 run on to a spool device 17, 18. Each spool device 17, 18 comprises a strut drum 33 on which the strut 10, 11 can be spooled, and a hydraulic motor 34 to rotate the strut drum 33 When the mast 2 is lowered to the transport position, the stay is unwound from the stay drum while a brake holds the stay suitably taut When the mast is in the vertical position, the stay drum 33 is rotated by the hydraulic motor 34 to tighten the stay 10, 11 to a suitable tension

Stagbommene 13, 14 svinges mellom stilling A (fig 1) og den utstrukne stilling B (fig 2-5) ved hjelp av en mekanisk strekkanordning 19 når masten 2 svinges mellom transportstilling I og bruksstilling II av drivorganet 6 Strekkanordningen 19 omfatter en glidehylse 20 som er bevegelig på den ytre mastseksjon 3 og styres av den Den ene ende av støttestangen 21 er dreibart forbundet med glidehylsen 20 og den andre ende er dreibart forbundet med understellet 1 via et tredje ledd 24, som er anordnet i avstand fra det første ledd 4 Den stive støttestang 21 svinges i et parallelt plan med masten 2 og drivorganet 6 og beveger glidehylsen 20 på den ytre mastseksjon 3 Den ene ende av dreiestangen 25 er dreibart forbundet med glidehylsen 20, mens dens andre ende 27 er dreibart forbundet med stagbommen 13, 14. Når glidehylsen 20 beveges langs den ytre mastseksjon 3 ved virkningen av støttestangen 21, svinges samtidig stagbommene 13, 14 mellom stilling A, hvor de er parallelle med masten, og den utstrukne stilling B, hvor masten 2 svinges av drivorganet 6 mellom transportstilling I og bruksstilling II The strut booms 13, 14 are swung between position A (fig 1) and the extended position B (fig 2-5) by means of a mechanical tensioning device 19 when the mast 2 is swung between transport position I and use position II by the drive member 6. The tensioning device 19 comprises a sliding sleeve 20 which is movable on the outer mast section 3 and is controlled by the One end of the support rod 21 is rotatably connected to the sliding sleeve 20 and the other end is rotatably connected to the chassis 1 via a third link 24, which is arranged at a distance from the first link 4 The rigid support rod 21 is pivoted in a parallel plane with the mast 2 and the drive member 6 and moves the sliding sleeve 20 on the outer mast section 3. One end of the pivot rod 25 is rotatably connected to the sliding sleeve 20, while its other end 27 is rotatably connected to the stay boom 13, 14. When the sliding sleeve 20 is moved along the outer mast section 3 by the action of the support rod 21, the stay booms 13, 14 are simultaneously swung between position A, where they are parallel to the mast, and the drawn position B, where the mast 2 is swung by the drive member 6 between transport position I and use position II

Som vist på fig 2, 3 og 5, omfatter systemet også et tredje stag 12, som er strukket mellom mastens 2 topp og kjøre-tøyets l fremre ende 31 Systemet kan omfatte en spoleanordning 32 for spoling og stramming av det tredje stag 12. Med hensyn til funksjon og konstruksjon tilsvarer spoleanordningen 32 de ovenfor beskrevne spoleanordnmger 17, 18 As shown in figures 2, 3 and 5, the system also includes a third stay 12, which is stretched between the top of the mast 2 and the front end of the vehicle 1 31 The system can include a coiling device 32 for coiling and tightening the third stay 12. With in terms of function and construction, the coil device 32 corresponds to the coil devices 17, 18 described above

Selv om oppfinnelsen er blitt beskrevet ovenfor ved hjelp av et eksempel i forbindelse med et radarkjøretøy konstruert for militær bruk, er det innlysende at oppfinnelsen også kan anvendes for sivilt bruk Det bevegelige understell kan være et kjøretøy eller trailer Masten kan be-nyttes til å bære en hvilken som helst anordning som må reises til en vesentlig høyde En slik anordning kan f.eks være en telekommunikasjonsantenne, så som antennen av en basisstasjon i et flyttbart kommunikasjonsnett Systemet kan således f eks. brukes som en bevegelig basisstasjon i et flyttbart kommunikasjonsnett Although the invention has been described above by means of an example in connection with a radar vehicle designed for military use, it is obvious that the invention can also be used for civilian use The movable undercarriage can be a vehicle or trailer The mast can be used to carry any device that must be raised to a significant height. Such a device can, for example, be a telecommunications antenna, such as the antenna of a base station in a mobile communication network. used as a mobile base station in a mobile communication network

Oppfinnelsen er ikke begrenset til de ovenfor beskrevne ut-førelseseksempler, idet mange variasjoner er mulige innen-for rammen av oppfinnelsesidéen angitt i kravene. The invention is not limited to the embodiments described above, as many variations are possible within the framework of the inventive idea stated in the claims.

Claims (9)

l Teleskopisk mastsystem, omfattende et flyttbart understell (1), en teleskopisk mast (2) bestående av mastseksjoner (3,28,29,5) anordnet teleskopisk i forhold til hverandre, omfattende en ytre mastseksjon (3) som er dreibart forbundet med understellet (1) via et første ledd (4) slik at den kan svinges mellom en hovedsakelig horisontal transportstilling (I) og en hovedsakelig vertikal bruksstilling (II), og en indre mastseksjon (5) som er plassert inne i den ytre mastseksjonen (3) og som i bruksstilling danner den øverste mastseksjon, et forlengbart/sammentrekkbart drivorgan (6), hvis første ende (7) er dreibart forbundet med understellet (1) via et andre ledd (8) anordnet i avstand fra det første leddet (4), idet en andre ende (9) av nevnte drivorgan (6) er dreibart forbundet med den ytre mastseksjon (3) slik at masten (2) kan svinges ved hjelp av drivorganet (6) mellom ovennevnte transportstilling (I) og bruksstilling (II), stag (10,11,12) festet til den indre mastseksjon (5) for å forankre masten (2) slik at den gjøres i det vesent-lige ubevegelig i bruksstillingen, en stagbom (13,14) er således montert svingbar i forhold til det bevegelige understellet (1) slik at stagbommen i mastens (2) bruksstilling (II) kan strekke seg sideveis et stykke fra masten (2) , et vendeelement (15,16) plassert ved stagbommens (13, 14) ende for å avbøye staget (10, 11), en spoleanordning (17,18) festet til understellet (l) for å motta staget (10, 11, 12) ført over vendeelementet (15,16) for å spole opp og stramme staget (10, 11, 12) karakterisert ved at det teleskopiske mastsystem omfatter en strekkanordning (19) for å svinge stagbommen (13,14) mellom en stilling (A) hvor den er parallell med masten (2) og en utstrukket stilling (B) hvor den er i vinkel med masten (2), idet strekkanordningen (19) omfatter• en glider (20) som er anordnet bevegelig på og styrt av den ytre mastseksjon (3), en støttestang (21) som er dreibart forbundet i den ene ende (22) med glideren (20) og i den andre ende med understellet (1) via et tredje ledd (24) anordnet i avstand fra det første ledd (4) slik at støttestangen (21) svinger 1 et parallelt plan med masten og drivorganet (6), og en dreiestang (25) dreibart forbundet med den ene ende (26) til glideren (20) og med den andre ende (27) til stagbommen (13,14) for å svinge stagbommen (13, 14) mellom stillingen (A) hvor den ligger parallelt med masten (2) og den utstrukne stilling (B) når glideren beveges langs den ytre mastseksjon ved virkningen av støttestangen (21) når masten (2) blir svingt av drivorganet (6) mellom transportstilling (I) og bruksstilling (II). l Telescopic mast system, comprising a movable undercarriage (1), a telescopic mast (2) consisting of mast sections (3,28,29,5) arranged telescopically in relation to each other, comprising an outer mast section (3) rotatably connected to the undercarriage (1) via a first link (4) so that it can be swung between a mainly horizontal transport position (I) and a mainly vertical use position (II), and an inner mast section (5) which is placed inside the outer mast section (3) and which, in the position of use, forms the uppermost mast section, an extendable/retractable drive member (6), the first end (7) of which is rotatably connected to the undercarriage (1) via a second link (8) arranged at a distance from the first link (4), wherein a second end (9) of said drive member (6) is rotatably connected to the outer mast section (3) so that the mast (2) can be swung by means of the drive member (6) between the above-mentioned transport position (I) and use position (II), stays (10,11,12) attached to the inner mast section (5) to e.g unanchor the mast (2) so that it is made essentially immovable in the use position, a stay boom (13,14) is thus mounted pivotable in relation to the movable undercarriage (1) so that the stay boom in the use position (II) of the mast (2) can extend laterally some distance from the mast (2), a turning element (15,16) placed at the end of the stay boom (13, 14) to deflect the stay (10, 11), a coil device (17,18) attached to the undercarriage (l ) to receive the stay (10, 11, 12) guided over the turning element (15, 16) to wind up and tighten the stay (10, 11, 12) characterized in that the telescopic mast system comprises a tensioning device (19) to swing the stay boom (13,14) between a position (A) where it is parallel to the mast (2) and an extended position (B) where it is at an angle with the mast (2), as the stretching device (19) includes• a slider (20) which is arranged movably on and controlled by the outer mast section (3), a support rod (21) which is rotatably connected at one end (22) to the slider (20) and at the other e end with the undercarriage (1) via a third link (24) arranged at a distance from the first link (4) so that the support rod (21) pivots 1 a parallel plane with the mast and the drive member (6), and a pivot rod (25) rotatable connected with one end (26) to the slider (20) and with the other end (27) to the stay boom (13,14) to swing the stay boom (13, 14) between the position (A) where it lies parallel to the mast (2 ) and the extended position (B) when the slider is moved along the outer mast section by the action of the support rod (21) when the mast (2) is swung by the drive member (6) between transport position (I) and use position (II). 2 System ifølge krav 1,karakterisert ved at stagbommen (13,14) er dreibart forbundet med den ytre mastseksjon (3) 2 System according to claim 1, characterized in that the stay boom (13,14) is rotatably connected to the outer mast section (3) 3. System ifølge krav 1 eller 2,karakterisert ved at to stagbommer (13,14) er innrettet til å strekke seg radialt i forskjellige retninger fra masten (2) i mastens (2) bruksstilling (II) 3. System according to claim 1 or 2, characterized in that two strut booms (13,14) are arranged to extend radially in different directions from the mast (2) in the mast's (2) use position (II) 4 System ifølge et av kravene 1-3,karakterisert ved at én eller flere mellomliggende mastseksjoner (28,29) er teleskopisk anordnet mellom den ytre mastseksjon (3) og den indre mastseksjon (5) . 4 System according to one of claims 1-3, characterized in that one or more intermediate mast sections (28,29) are telescopically arranged between the outer mast section (3) and the inner mast section (5). 5 System ifølge et av kravene 1-4,karakterisert ved at det bevegelige understellet (1) er et motordrevet kjøretøy 5 System according to one of claims 1-4, characterized in that the movable undercarriage (1) is a motor-driven vehicle 6. System ifølge krav 5,karakterisert ved at kjøretøyet (1) omfatter en første ende (30) og en andre ende (31) , og at det første ledd (4) er anordnet på toppen av kjøretøyet (1) nær dets første ende (30) , slik at masten (2) i transportstilling (I) ligger oppå kjøretøyet (1), orientert i kjøretøy-ets (1) lengderetning mot den andre ende (31) 6. System according to claim 5, characterized in that the vehicle (1) comprises a first end (30) and a second end (31), and that the first link (4) is arranged on top of the vehicle (1) near its first end (30) , so that the mast (2) in transport position (I) lies on top of the vehicle (1), oriented in the longitudinal direction of the vehicle (1) towards the other end (31) 7 System ifølge krav 6,karakterisert ved at. den første stagbom (13) og den andre stagbom (14) i sin utstrukne bruksstilling strekker seg sideveis fra et vertikalt plan bestemt av masten (2) og kjøretøyets (1) lengderetning til hver sin side av nevnte plan med like vinkler utenfor kjøretøyets (1) første ende (30), den første spoleanordning (17) er anordnet i nærheten av det første ledd (4) på kjøretøyet (1), det første stag (10) løper fra mastens (2) topp via det første vendeelement (15) på den første stagbom (13) til den første spoleanordning (17) , den andre spoleanordning (18) er anordnet i nærheten av det første ledd (4) på kjøretøyet (1), det andre stag (11) løper fra mastens (2) topp via et andre vendeelement (16) på den andre stagbom (14) til den andre spoleanordning (18), og det tredje stag (12) er forbundet mellom mastens (2) topp og kjøretøyet (1) 7 System according to claim 6, characterized in that. the first strut boom (13) and the second strut boom (14) in their extended use position extend laterally from a vertical plane determined by the mast (2) and the longitudinal direction of the vehicle (1) to either side of said plane at equal angles outside the vehicle's (1 ) first end (30), the first coil device (17) is arranged near the first joint (4) of the vehicle (1), the first strut (10) runs from the top of the mast (2) via the first turning element (15) on the first strut boom (13) to the first spool device (17), the second spool device (18) is arranged near the first joint (4) of the vehicle (1), the second strut (11) runs from the mast (2) top via a second turning element (16) on the second strut beam (14) to the second spool device (18), and the third strut (12) is connected between the top of the mast (2) and the vehicle (1) 8. System ifølge krav 7,karakterisert ved at det tredje stag (12) er festet til kjøretøyets (1) andre ende (31) 8. System according to claim 7, characterized in that the third strut (12) is attached to the other end (31) of the vehicle (1) 9. System ifølge krav 7 eller 8,karakterisert ved at en tredje spoleanordning (32) er anordnet for spoling og stramming av det tredje stag (12) 10 System ifølge krav 7 eller 8,karakterisert ved at spoleanordningen (17,18,32) omfatter en stagtrommel (33) rundt hvilken staget (10, 11, 12) kan spoles, en bremseanordning for å bremse stagtrommelen (33), og en motor (34), så som en hydraulisk motor, for å rotere stagtrommelen (33)9. System according to claim 7 or 8, characterized in that a third coil device (32) is arranged for coiling and tightening of the third stay (12) 10 System according to claim 7 or 8, characterized in that the coil device (17,18,32) comprises a stay drum (33) around which the stay (10, 11, 12) can be wound, a brake device for braking the stay drum (33), and a motor (34), such as a hydraulic motor, to rotate the stay drum (33)
NO20000704A 1999-02-11 2000-02-11 Telescopic mast system NO316230B1 (en)

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FI990274A FI108365B (en) 1999-02-11 1999-02-11 Teleskooppimastojõrjestelmõ

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ATE357065T1 (en) 2007-04-15
IL134462A (en) 2003-09-17
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FI990274A0 (en) 1999-02-11
FI108365B (en) 2002-01-15

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