Treylar mai ƙasa

Motoci masu kwance na musamman ne na motocin jigilar nauyi da aka tsara don jigilar manyan, masu nauyi, da kayan da suka wuce girman al'ada zuwa wuraren ginin tushe mai zurfi. A matsayin kayan tallafi na ƙarin, suna ba da mahimmancin aiki na jigilar kayan aikin hakowa, hammer na piling, masu ƙara girgiza, ƙafafun katako, da sauran injunan tushe da ake amfani da su wajen aiwatar da bangon diaphragm, labulen katako, tsarin ginshikan secant, bangon katako, aikin gishiri na jet, da shigar da haɗin ƙasa. Jigilar kayan aikin tushe yana wakiltar muhimmin la'akari na aiki a cikin shirin aikin, yayin da girman da nauyin kayan hakowa da piling na zamani yawanci ya wuce ƙarfin jigilar kasuwanci na al'ada, wanda ke buƙatar motocin na musamman da suka bi ka'idodin loda axles da iyakokin tsayi na hanyoyin jama'a. Motoci masu kwance suna da ƙirar farfajiyar da aka danna wanda aka sanya ƙasa da matakin axles na baya na na'urar traktor, wanda ke rage tsayin tsakiya gaba ɗaya da kuma ba da damar karɓar kayan aiki masu tsawo—ciki har da mast da suka wuce mita 40—yayinda suke kiyaye bin ka'idodin tsayin hanya wanda yawanci ke tsakanin mita 4.0 zuwa 4.5. An gina farfajiyoyin daga ƙarfe mai ƙarfi kuma suna haɗa da tsarin axles da yawa, yawanci daga axles hudu zuwa takwas, don rarraba nauyin da aka mai da hankali a kan ƙarin fadin ƙasa da kuma bin ka'idodin nauyin motar da aka ƙayyade. Nau'ikan zamani suna amfani da tsarin goyon bayan hydraulic ko na inji don daidaita farfajiyar da ƙafafun goyon bayan da za a iya daidaita, suna ba da damar loda da sauke kayan aiki a kan wurare masu tsawo da yanayin saman daban-daban. Tsarin kayan aiki a cikin wannan rukuni yana haɗa da motocin kwance na al'ada tare da farfajiyar da aka gyara, samfuran hydraulic drop-deck da ke ba da damar danna farfajiyar gaba ɗaya zuwa ƙasa don kayan da suka wuce girma, da tsarin modular tare da goosenecks masu cirewa waɗanda ke daidaitawa da kaya masu girma daban-daban. Nau'ikan na musamman suna ƙunshe da ƙaƙƙarfan ƙaƙƙarfan, rarraba wuraren haɗa kai, da tsarin dakatarwa da aka tsara don jurewa matsalolin aiki daga kayan aikin girgiza da lodi mai motsi yayin jigila. Zaɓin motocin da suka dace yana buƙatar cikakken kimantawa na wasu ƙayyadaddun fasaha. Dole ne a ƙididdige rarraba nauyin kayan aiki da matsayin tsakiya don tabbatar da bin ka'idodin loda axles da hana wuce gona da iri a cikin wani yanki. Dole ne a tantance ƙarfin ƙasa a wuraren lodi don tantance ko tsarin dakatarwa na iska ko matakan rarraba nauyi suna da mahimmanci don hana rami ko rushewa. Tsarin wurin manufa—ciki har da fadin ƙofar shiga, tsayin saman, ƙarfin hanyar, da kuma jujjuyawar tudu—dole ne a tantance yayin shirin don tabbatar da samun damar motar. Hanyoyin tsaro na kayan aiki dole ne su ba da isassun ƙarfi na tsayawa yayin da suke karɓar wuraren haɗin kayan aikin. Bin ka'idodin jigilar kaya yana da wajibi, ciki har da bin ka'idodin girma da nauyi na doka da hukumomin ƙasa suka kafa. Jigilar kaya da ba su da ka'ida yana buƙatar izini na musamman da shirin hanya wanda ke la'akari da iyakokin nauyin gada, tsarin hanya, da kuma iyakokin zirga-zirga na gida. Masu kwangila na tushe mai zurfi na ƙwararru yawanci suna riƙe da alaƙa tare da masu jigilar kaya na musamman waɗanda ke da motocin kwance da aka tsara da kuma ƙwarewa a cikin gudanar da jigilar kayan aiki mai wahala.