Mgbe a na-eji kreenu gantry, ọ bụ ngwaọrụ nchekwa nchekwa nke nwere ike igbochi ibufe ibu nke ọma. A na-akpọkwa ya ihe mgbochi ikike ebuli elu. Ọrụ nchekwa ya bụ ịkwụsị ọrụ ibuli elu mgbe ibuli elu kreenu karịrị ọnụ ahịa akwadoro, si otú a na-ezere ibubiga ihe mberede. A na-eji ihe mgbochi oke ibu eme ihe na cranes ụdị àkwà mmiri na elu. Ụfọdụjib ụdị cranes(dịka ọmụmaatụ cranes ụlọ elu, cranes gantry) na-eji ihe mgbochi oke ibu na njikọ nke obere oge. Enwere ọtụtụ ụdị ihe mgbochi oke ibu, igwe na eletrọnịkị.
(1) Ụdị Mechanical: A na-eme onye na-eti ihe site n'omume nke levers, iyi, cams, wdg. Mgbe a na-ebubiga ya ókè, onye na-eme ihe na-emekọrịta ihe na mgba ọkụ nke na-achịkwa ọrụ ebuli elu, na-ebipụ isi iyi nke usoro ibuli elu, na ịchịkwa usoro ebuli iji kwụsị ịgba ọsọ.
(2) Ụdị eletrọnịkị: Ọ na-agụnye sensọ, amplifiers na-arụ ọrụ, ndị na-ahụ maka njikwa na ihe ngosi ibu. Ọ na-ejikọta ọrụ nchekwa dị ka ngosi, njikwa na mkpu. Mgbe kreenu na-ebuli ibu, ihe mmetụta dị na akụrụngwa na-ebu ibu na-agbanwe, gbanwee ibu ibu ka ọ bụrụ mgbaàmà eletriki, wee gbasaa ya iji gosi uru nke ibu ahụ. Mgbe ibu ahụ gafere ibu a tụrụ atụ, a na-ebipụ isi iyi ike nke usoro ebuli elu, nke mere na a pụghị ime ihe na-ebuli elu nke usoro ebuli elu.
Nkennukwu cranena-eji oge ebuli elu mara ọnọdụ ibu. A na-ekpebi uru oge ebuli elu site na ngwaahịa nke ibuli ibu na njupụta. A na-ekpebi uru njupụta site na ngwaahịa nke ogologo ogwe aka nke ọganihu kreenu na cosine nke akụkụ ọchịchọ. Ma kreenu a bujuru ibu bụ n'ezie oke site n'ikike ibuli elu, ogologo ọganihu na akụkụ ihu ọganihu. N'otu oge ahụ, a ga-atụlekwa ọtụtụ paramita dị ka ọnọdụ ọrụ, nke na-eme ka njikwa dịkwuo mgbagwoju anya.
Igwe na-achịkwa microcomputer a na-ejikarị eme ihe ugbu a nwere ike ijikọ ọnọdụ dị iche iche wee dozie nsogbu a nke ọma. Ihe mgbochi torque nwere ihe nchọta ibu, onye na-achọpụta ogologo ogwe aka, onye na-achọpụta akụkụ, onye na-ahọrọ ọnọdụ ọrụ na microcomputer. Mgbe kreenu batara n'ọnọdụ ọrụ, a na-etinye akara ngosi nke oke ọ bụla nke ọnọdụ ọrụ n'ezie na kọmpụta. Mgbe ngụkọ, mmụba na nhazi gasịrị, a na-atụnyere ha na ọnụ ahịa oge ebuli elu echekwara echekwabara, yana ụkpụrụ dabara adaba na-egosipụta na ngosi. . Mgbe ezigbo uru ruru 90% nke uru elelegoro, ọ ga-ezipụ mgbaama ịdọ aka ná ntị mbụ. Mgbe ọnụ ahịa n'ezie karịrị ibu e depụtara, a ga-enye mgbaama mkpu, kreen ahụ ga-akwụsịkwa ịrụ ọrụ n'ụzọ dị ize ndụ (ebuli, ịgbatị ogwe aka, iwetu ogwe aka, na ntụgharị).
