Tataiso ena e felletseng ea hlahloba Thern davit cranes, e akaretsang mesebetsi ea bona, likopo, lintlha tsa polokeho, le mekhoa ea khetho. Re tla bua ka lintlha tse qaqileng tsa mefuta e fapaneng thern davit crane mehlala, e fanang ka leseli ho u thusa ho etsa liqeto tse nepahetseng bakeng sa litlhoko tsa hau tsa ho phahamisa. Ithute ka melemo ea ho khetha a thern davit crane 'me u fumane hore na lisebelisoa tsena tse matla empa tse ngata li ka ntlafatsa ts'ebetso ea hau joang.
Thern davit cranes ke mofuta oa crane o etselitsoeng ho phahamisa le ho theola meroalo, hangata libakeng tse koaletsoeng kapa moo ho tsamaisoang ho leng bohlokoa. Li tsebahala ka moralo oa tsona o kopaneng, ts'ebeliso e bonolo, le bokhoni ba ho phahamisa bo holimo ha bo bapisoa le boholo ba tsona. Li-cranes tsena hangata li na le letsoho le potolohang (davit) le tlohang setsing se tsitsitseng, se lumellang motsamao o fapaneng ka har'a radius ea bona ea ts'ebetso. Thern, moetsi ea ka sehloohong oa lisebelisoa tsa ho phahamisa, o fana ka mefuta e mengata ea Thern davit cranes ho fihlela litlhoko tse fapaneng tsa indasteri. Mehlala e mengata e kenngoa habonolo 'me e kopantsoe le mehaho e teng.
Thern knuckle boom davit cranes fana ka phetoho e ikhethang ka lebaka la moralo oa bona o hlakileng oa boom. Sena se lumella ho beha moroalo hantle, esita le libakeng tse sa hlakang. Bokhoni ba bona ba ho fihlella litšitiso bo etsa hore e be tse loketseng lits'ebetso tse fapaneng. Hangata li ratoa ka lebaka la maoto a tsona a compact.
Thern telescopic boom davit cranes e na le boom e atolohang le e hulang morao, e fanang ka phihlello e feto-fetohang le bokhoni ba ho phahamisa. Sena se etsa hore ba ikamahanye le litlhoko tse fapaneng tsa mosebetsi. Hangata li-cranes tsena li ithorisa ka bokhoni bo phahameng ba ho phahamisa ho feta mefuta ea knuckle boom, e loketseng meroalo e boima. Ho khetha pakeng tsa mefuta ena ho itšetlehile haholo ka boima bo itseng le litlhoko tsa phihlello tsa morero.
Thern davit cranes li fumaneha ka mekhoa ea matsoho le ea motlakase. Hangata li-cranes tsa letsoho li sebelisa li-crank tsa letsoho bakeng sa ho phahamisa le ho theola, ha li-crane tsa motlakase li sebelisa li-motor le li-control bakeng sa ts'ebetso e bonolo, e sebetsang hantle. Khetho lipakeng tsa letsoho le motlakase e ipapisitse le lintlha tse kang boima ba meroalo e phahamisoang, makhetlo a ts'ebeliso, le boemo bo lakatsehang ba boiketsetso. Mefuta ea motlakase e fokotsa haholo mokhathala oa basebelisi lits'ebetsong tse phahameng haholo.
Ho khetha e loketseng thern davit crane e akarelletsa ho nahana ka hloko lintlha tse 'maloa:
Tšireletseho ke ea bohlokoa ha u sebetsa leha e le efe thern davit crane. Kamehla latela litataiso tsa moetsi le melaoana e amehang ea polokeho. Litlhahlobo tsa khafetsa, koetliso e nepahetseng bakeng sa ba sebetsang, le tšebeliso ea thepa e loketseng ea ho itšireletsa (PPE) ke tsa bohlokoa.
Thern davit cranes fumana lits'ebetso ho tsoa liindastering tse fapaneng, ho kenyelletsa:
Bakeng sa boleng bo holimo Thern davit cranes le tataiso ea litsebi, nahana ka ho iteanya le bafani ba thepa ba tšepahalang. Bakeng sa khetho e pharaletseng le litheko tsa tlholisano, hlahloba likhetho tse kang tse fumanehang ho Hitruckmall. Ba fana ka lisebelisoa tse fapaneng ho lumellana le litlhoko tse fapaneng le ho fana ka tšehetso e ntle ea bareki. Hopola ho bapisa litheko le likarolo pele u etsa qeto ea ho reka.
| Sebopeho | Knuckle Boom | Boom ea Telescopic |
|---|---|---|
| Ho tenyetseha | E kgabane | E ntle |
| Finyella | E itekanetseng | E kholoanyane |
| Bokhoni ba ho Phahamisa | E itekanetseng | E phahameng |
Hopola ho lula u buisana le setsebi se tšoanelehang bakeng sa keletso mabapi le likopo tse khethehileng le litlhoko tsa polokeho.
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