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OMA 526BLV - Fixed Structure Assembly

OMA 526BLV
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GRUPPOSTRUTTURAFISSA
E’costituitadaquattrocolonneverticaliinlamieradiacciaio
piegataallacuibaseèsaldataunapiastraforatachepermetteil
fissaggioalsuolomediantetasselliadespansione(vederecapitolo
4“installazione”).
All’internodiognicolonnasonoalloggiati:
-un’astadisicurezzaconasole(1)perl’appoggiodeimartellettidi
sicurezza,
-unafuneinacciaioperilsollevamento(2),
-unaguidaperloscorrimentoverticaledelletraverse.
Fig.4 Colonna
Fig.4 Post
Sullasommitàdiognicolonnasonoancorate:
-l’estremitàdell’astadisicurezza(4),(fissatacondadoecontroda
-
doM20,classediresistenza8.8);
-l’estremitàdellafuneinacciaio(5),chehauncodulofilettatoM20
(fissatocondadoecontrodadoM20,classediresistenza6S).
Lalunghezzadelcodulofilettatoconsentelaperfettaregistrazione
dellefuni,olaripresadiunloroeventualeallungamento.
Allacolonnacomando(Fig.6)sonofissatiilquadroelettricodico-
mandoelacentralinaidraulica.
Sulpannellodelquadroelettricodi
comandosonoinstallati:
-l’interruttoregenerale(1),
-ilpulsantedisalita(2),
-ilpulsantedidiscesa(3);
-sulpannellodelquadroelettricosi
trovaancheilpulsantedistaziona
-
mento(4).
Lacentralinaidraulicaècomposta
da:
-unmotoreelettricodicomando(5),
-unapompaidraulicaadingranaggi
(6),
-un’elettrovalvoladidiscesa(7),
-unavitedimessainscaricoma
-
nualedelponte(12),
-unavalvoladimassimapressione
(8),
-unserbatoioolio(9),
-untuboflessibiledimandataolio
(10),
-untuboflessibileperilrecupero
dell’olio(11)
NOTA:
Iltubodimandataolio(10)puòtro
-
varsiinpressione.
Iltubodirecuperoolio(11)nonè
maiinpressione.
Fig.6 Pannellodicomandoecentrali
-
naidraulica.
FIXEDSTRUCTUREASSEMBLY
Thestructureincludesthefourverticalpostsinbentsteelplate
withapre-drilledbaseplateforexpansionanchorstosecurethe
unittothefloor(seechapter4“Installation”).
Eachposthouses:
-asafetyrodwithslots(1)toengagethesafetywedges,
-asteelcableforlifting(2),
-aguideforthecross-pieceverticalsliding(3).
Fig.5 Sommitàcolonne
Fig.5 Posttop
Thefollowingpartsareanchoredtothetopofeachpost:
-endofsafetyrod(4),(securedwithM20nutandlocknut,class
8.8);
-theendofthesteelcable(5),whichisfittedwithanM20threa
-
dedshank(fixedwithM20nutandlocknut,class6S).
Thelengthofthecablescanbeperfectlyadjusted-alsototakeup
slackduetostretching,thankstothelengthofthethreadedshanks
ontheendsofthecables.
Thedrivepost(Fig.6)mountstheelectricalcontrolpanelandthe
hydraulicpowerunit.
Thefollowingcomponentsarepre-
sentonthecontrolpanel:
-mainswitch(1),
-LIFTbutton(2),
-LOWERINGbutton(3);
-thecontrolpanelalsomountsa
stopbutton(4).
Thehydraulicpowerunitcomprises:
-motor(5),
-hydraulicgearpump(6),
-loweringsolenoidvalve(7),
-thecablemicroswitch(4)
-manualloweringscrew(12),
-reliefvalve(8),
-oilreservoir(9),
-oildeliveryhose(10),
-oildrainhose(11)
NOTE:
Thedeliveryhose(10)issometimes
pressurised;
thedrainhose(11)isneverpressuri
-
sed.
Fig.6 Controlpanelandhydraulic
powerunit.
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