Kirjin gada wani nau'in crane ne da ake amfani da shi a wuraren masana'antu. Kirjin da ke saman ya ƙunshi hanyoyin jiragen sama masu kama da juna tare da gada mai tafiya mai ratsawa. Motsi, bangaren ɗagawa na crane, yana tafiya tare da gada. Ba kamar cranes na hannu ko na gini ba, ana amfani da cranes na sama a masana'antu ko aikace-aikacen kiyayewa inda inganci ko raguwar lokaci ke da mahimmanci. Mai zuwa zai gabatar da wasu amintattun hanyoyin aiki don cranes sama da ƙasa.
(1) Gabaɗaya bukatun
Dole ne ma'aikata su ci jarrabawar horo kuma su sami takardar shaidar "gantry crane driver" (lambar mai suna Q4) kafin su fara aiki (masu aikin motsa jiki da masu sarrafa nesa ba sa buƙatar samun wannan takardar shaidar kuma su kansu za su horar da su. ) . Dole ne mai aiki ya san tsari da aikin crane kuma yakamata ya bi ƙa'idodin aminci sosai. An haramta shi sosai ga marasa lafiya masu ciwon zuciya, marasa lafiya masu tsoron tsayi, marasa lafiya masu hawan jini, da marasa lafiya masu batsa suyi aiki. Dole ne masu aiki su sami hutawa mai kyau da tufafi masu tsabta. An haramta shi sosai a sanya silifas ko yin aiki ba takalmi. An haramta shi sosai don yin aiki a ƙarƙashin rinjayar barasa ko lokacin gajiya. An haramta shi sosai don amsawa da yin kira akan wayoyin hannu ko wasa yayin aiki.
(2) Yanayin da ya dace
Matsayin aiki A5; yanayin zafi 0-400C; dangi zafi bai fi 85% ba; bai dace da wuraren da ke da iskar gas mai lalata ba; bai dace da ɗaga narkakkar karfe, mai guba da kayan wuta ba.
(3) Tsarin ɗagawa
1. Nau'in trolley biamsaman crane: Babban da mahimmin hanyoyin haɓakawa sun haɗa da (canza mitar) motoci, birki, raguwar gearboxes, reels, da dai sauransu. An shigar da ƙayyadaddun sauyawa a ƙarshen ɗigon drum don iyakance tsayin tsayi da zurfin. Lokacin da aka kunna iyaka a cikin hanya ɗaya, ɗagawa zai iya motsawa kawai a gaban kishiyar iyaka. Hakanan ana sanye take da jujjuyawar jujjuyawar juzu'i tare da maɓalli mai iyakancewa kafin ƙarshen ƙarshen, ta yadda zai iya raguwa ta atomatik kafin a kunna canjin iyaka. Akwai gears guda uku don rage na'urar hawan motar da ba ta mitoci ba. Gear farko ita ce juyar da birki, wanda ake amfani da shi don jinkirin saukowa na manyan lodi (sama da 70% kima). Gear na biyu shine birki-ɗaki ɗaya, wanda ake amfani dashi don ragewa a hankali. Ana amfani da shi don jinkirin saukowa tare da ƙananan kaya (ƙasa da 50% rated load), kuma na'ura na uku da na sama don saukowar lantarki da birki na farfadowa.
2. Nau'in hawan katako guda ɗaya: Na'urar ɗagawa ita ce hawan wutar lantarki, wanda ya kasu kashi-kashi mai sauri da jinkirin. Ya ƙunshi mota (tare da birki na mazugi), akwatin raguwa, reel, na'urar tsara igiya, da dai sauransu. Ana daidaita mazugi tare da kwaya mai daidaitawa. Juya goro a agogon hannu don rage motsin axial na motar. Kowane juyi 1/3, ana daidaita motsin axial daidai da 0.5 mm. Idan motsi na axial ya fi 3 mm, ya kamata a daidaita shi cikin lokaci.
(4) Kayan aikin mota
1. Nau'in trolley biu: The involute gear reducer ne a tsaye ta hanyar injin lantarki, kuma madaidaicin madaidaicin magudanar ruwa yana haɗe da dabaran tuƙi da aka ɗora akan firam ɗin trolley a cikin tsaka-tsakin tuƙi. Motar lantarki tana ɗaukar shingen fitarwa mai ƙare biyu, kuma ɗayan ƙarshen shingen yana sanye da birki. Ana shigar da iyakoki a duka ƙarshen firam ɗin trolley. Lokacin da iyaka ya motsa a hanya ɗaya, ɗagawa zai iya motsawa kawai a gaban kishiyar iyaka.
2. Single-beam hoist nau'in: The trolley yana da alaka da dagawa inji ta lilo bearing. Za'a iya daidaita nisa tsakanin saitin ƙafa biyu na trolley ɗin ta hanyar daidaita da'irar kushin. Ya kamata a tabbatar da cewa akwai rata na 4-5 mm a kowane gefe tsakanin ƙafar ƙafafun da ƙananan gefen I-beam. Ana shigar da tashoshi na roba a duka ƙarshen katako, kuma ya kamata a shigar da tasha na roba a ƙarshen dabaran.
