Toni 5 ~ toni 500
4.5m ~ 31.5m cyangwa uhindure
3m ~ 30m cyangwa uhindure
A4~A7
Crane yo hejuru ifite imiterere myiza cyane yo gukoresha mu nganda ni igisubizo gikomeye kandi cyizewe cyo guterura cyagenewe guhaza ibyifuzo bikomeye by’inganda zigezweho. Yubatswe ifite imiterere ikomeye ya girder ebyiri, iyi crane itanga ubushobozi bwo gutwara imizigo, ihamye kandi igenzura neza, bigatuma iba nziza cyane mu gucunga ibikoresho biremereye, imashini, n’ibice bigize inganda nk’inganda z’ibyuma, aho bakorera, aho bateranya ibikoresho, n’aho batunganya ibikoresho.
Kimwe mu bintu by'ingenzi bigize iyi crane ni imbaraga zayo zikomeye n'uburambe bwayo. Yakozwe hakoreshejwe ibyuma byo mu rwego rwo hejuru n'ubuhanga buhanitse bwo gukora, ituma ikora neza igihe kirekire ndetse no mu gihe cy'ibikorwa bikomeye kandi bihoraho. Imiterere yayo igabanya imiterere y'imigozi ibiri igabanya imiterere yayo kandi ikongera ubukana muri rusange, bigatuma ishyirwa neza mu mwanya wayo no gutwara imizigo mu mutekano mu buryo butekanye mu bice binini.
Ingufu ni indi nyungu ikomeye. Iyi crane ifite uburyo bwo kuzamura ibyuma ku buryo bworoshye kandi bunoze, bigatuma umuntu ashobora guterura, kumanuka no kugenda mu buryo bwihuse kandi butambitse. Ibi byongera cyane imikorere myiza kandi bigabanya igihe cyo gukora. Byongeye kandi, uburyo bwo kugenzura bugezweho nko kugenzura ibyuma binini, kugenzura kure nta mugozi, cyangwa gukoresha mu kabari bitanga uburyo bworoshye bwo gukoresha no koroshya abakoresha.
Umutekano na wo ni ingenzi cyane mu miterere yawo. Iyi crane irimo ibintu byinshi by’umutekano nko kurinda umuvuduko mwinshi, guhagarara mu gihe cy’impanuka, gusimbuza imipaka, na sisitemu yo gufunga feri yizewe kugira ngo ikore neza kandi igabanye ibyago mu nganda zikora cyane.
Byongeye kandi, crane ishobora guhindurwa kugira ngo ihuze n'ibisabwa byihariye mu ruganda, harimo ubushobozi butandukanye bwo guterura, uburebure, uburebure bwo guterura, n'ibyiciro by'inshingano. Uku kwihuza n'imimerere bituma ikoreshwa mu nganda zitandukanye.
Muri rusange, Crane yo hejuru ya Double Girder yo mu rwego rwo hejuru ikoreshwa mu ruganda itanga imikorere myiza, iramba, kandi ifite umutekano, bigatuma iba ingenzi mu kunoza umusaruro no kunoza ibikorwa byo gukora ibintu bigezweho.
Niba ufite ikibazo, urakaza neza guhamagara no gusigira ubutumwa. Dutegereje ko utubwira amasaha 24.
Baza ubu ngubu