Crane yo hejuru ya crane, izwi kandi nka crane idakora cyangwa munsi yubutaka, ni ubwoko bwa sisitemu yo hejuru ya crane ihagarikwa kumiterere yinyubako hejuru. Bikunze gukoreshwa mubikorwa byinganda aho umwanya muto ugarukira cyangwa ahari inzitizi hasi byabangamira imikorere ya crane gakondo yo hejuru. Hano hari bimwe mubicuruzwa birambuye nibiranga munsi ya crane yo hejuru:
Igishushanyo nubwubatsi: Crane ya underhung yo hejuru isanzwe ikozwe muburyo bumwe, nubwo ibishushanyo mbonera bibiri nabyo birahari. Crane ihagarikwa kumiterere yinyubako ikoresheje amakamyo yanyuma akorera kumurongo wumuhanda ufatanije ninyubako. Crane igenda kumurongo wumuhanda, itanga inzira itambitse yumutwaro.
Ubushobozi bwo Gutwara: Kurenga hejuru ya crane iraboneka mubushobozi butandukanye bwo gutwara ibintu kugirango uhuze ibisabwa bitandukanye. Ubushobozi bwo kwikorera bushobora kuva kuri kilo magana kugeza kuri toni nyinshi, bitewe nurugero rwihariye nigishushanyo.
Uburebure bwa Span na Runway Uburebure: Umwanya wa crane idafite munsi yerekana intera iri hagati yimigozi yumuhanda, kandi irashobora gutandukana bitewe nibisabwa byihariye bisabwa. Muri ubwo buryo, uburebure bwumuhanda bugenwa nu mwanya uhari hamwe n’ahantu hifuzwa.
Kurenga hejuru ya crane ikoreshwa cyane mubikorwa bitandukanye byinganda aho gufata neza ibikoresho no gutezimbere umwanya ni ngombwa. Bimwe mubisanzwe porogaramu ya underhung overhead crane harimo:
Ibikoresho byo gukora: Crane ya Underhung ikoreshwa muburyo bwo gukora inganda kubikorwa nko kwimura ibikoresho fatizo, ibice, nibicuruzwa byarangiye kumurongo witeranirizo. Barashobora kandi gukoreshwa mumashini yipakurura no gupakurura, kohereza ibicuruzwa hagati yakazi, no korohereza ibikoresho rusange mubigo.
Ububiko n’ibigo bikwirakwiza: Crane ya Underhung ikwiranye neza nububiko nububiko bwikigo. Barashobora kwimuka neza no gushyira ibicuruzwa mubikoresho, harimo gupakira no gupakurura amakamyo hamwe na kontineri, gutunganya ibarura, no gutwara ibintu mububiko.
Inganda zitwara ibinyabiziga: Crane ya Underhung isanga ikoreshwa cyane mu nganda z’imodoka, aho zikoreshwa mumirongo yiteranirizo, amaduka yumubiri, hamwe n’ahantu ho gusiga amarangi. Bafasha mukugenda kwimibiri yimodoka, ibice, nibikoresho, kuzamura umusaruro no koroshya ibikorwa.
Ubushobozi bwo Kuremerera no Kurinda Ibirenze: Nibyingenzi kugirango umenye neza ko crane munsi yubutaka itaremerewe kurenza ubushobozi bwayo. Kurenza urugero birashobora kuganisha kunanirwa muburyo cyangwa guhungabana kwa kane. Buri gihe ujye wubahiriza imipaka yubushobozi bwagenwe nuwabikoze. Byongeye kandi, crane ya underhung igomba kuba ifite sisitemu zo kurinda imitwaro irenze urugero, nk'imitwaro itwara imizigo cyangwa ingirabuzimafatizo, kugirango birinde kurenza urugero.
Amahugurwa akwiye hamwe nimpamyabushobozi: Gusa abakora imyitozo kandi bemewe bagomba gukora munsi ya crane. Abakora bagomba kuba bamenyereye moderi yihariye ya crane, igenzura, nuburyo bwo kwirinda. Amahugurwa akwiye afasha gukora neza, gutunganya imitwaro, no kumenya ingaruka zishobora kubaho.
Kugenzura no Kubungabunga: Kugenzura buri gihe no gufata neza crane zidafite akamaro ni ngombwa mu kumenya no gukemura ibibazo byose byubukanishi cyangwa kwambara no kurira. Ubugenzuzi bugomba kubamo kugenzura imiterere yimigozi yumuhanda, amakamyo yanyuma, uburyo bwo kuzamura, sisitemu yamashanyarazi, nibiranga umutekano. Inenge cyangwa ibintu bidasanzwe bigomba gusanwa vuba cyangwa gukemurwa nabakozi babishoboye.