ʻO ka trolley hoist ka mīkini hosting o ka crane alahaka ma luna a me ka mea e lawe pololei i ka ukana.ʻO ka hiki ke hoʻokiʻekiʻe kiʻekiʻe o ka trolley hoist o ke alahaka ma luna o ke alahaka hiki ke piʻi i 320 tons, a ʻo ka hana hana maʻamau ʻo A4-A7.
ʻO ke kukui hope kekahi o nā pahu crane nui ma luna.ʻO kāna hana ka hoʻopili ʻana i ke kaola nui, a ua hoʻokomo ʻia nā huila ma nā ʻaoʻao ʻelua o ke kaola hope e hele ai ma ke alahao crane rail track.
ʻO Crane Hook ka mea maʻamau o nā mea hāpai.ʻO kāna kumu hana, ʻo ia ke kau ʻana ma ke kaula uwea o ka hoist uila a i ʻole ka trolley hoist ma o ka pahu pulley a me nā mea ʻē aʻe e hāpai i nā mea kaumaha.ʻO ka ʻōlelo maʻamau, ʻaʻole wale kāna hana e amo i ke kaumaha o ka ʻupena o nā waiwai e hāpai ʻia, akā no ka lawe ʻana i ka ukana hopena ma muli o ka hāpai ʻana a me ka braking.Ma ke ʻano he pahu crane overhead, hiki ke piʻi i ka 320 tons ke kaumaha kaumaha o ka makau.
ʻO ka huila crane kekahi o nā ʻāpana ʻāpana eot crane koʻikoʻi.ʻO kāna hana nui e hoʻopili me ke ala, kākoʻo i ka ukana crane a holo i ka hoʻouna.No laila, pono e hana maikaʻi i ka nānā ʻana i nā huila e hoʻopau maikaʻi i ka hana hāpai.
ʻO ka pahu hopu kekahi mea hana maʻamau i ka ʻoihana hāpai.ʻO kāna kumu hana e hopu a hoʻokuʻu i nā mea nui ma o kāna wehe a pani ʻana.ʻOi aku ka maʻamau o ka hoʻohana ʻia ʻana o nā ʻāpana crane ʻo Bridge no ka ukana nui a me ka hopu lāʻau.No laila, loaʻa iā ia ka nui o nā noi i nā mine lanahu, ka hoʻolei ʻōpala, nā wili lāʻau a me nā ʻoihana ʻē aʻe.
ʻO nā mea hoʻokiʻekiʻe he ʻano ʻāpana eot crane, i hoʻohana nui ʻia i ka ʻoihana kila.ʻO kāna kumu hana e hoʻohuli i ke au, e huki ikaika ka electromagnet i nā mea magnetic e like me ke kila, e hoʻokiʻekiʻe i kahi i koho ʻia, a laila ʻoki i ke au, nalowale ka magnetism, a waiho ʻia nā mea hao a me ke kila.
ʻO ka pahu crane he mea koho koho bridge crane.Inā ʻoi aku ka nui o ka hoʻouka ʻana o ka puʻu uwapo, hoʻohana maʻamau ke kaʻa no ka hana ʻana i ka crane bridge.