Yiziphi izinhlobo ezi-3 zama-pulleys?
Kunezinhlobo ezintathu eziyinhloko zama-pulleys: ezingaguquki, ezinyakazayo, nezihlanganisiwe.Isondo le-pulley egxilile kanye ne-ekseli kuhlala endaweni eyodwa.Isibonelo esihle se-pulley egxilile isigxobo sefulegi: Uma udonsa phansi entanjeni, isiqondiso samandla siqondiswa kabusha yi-pulley, futhi uphakamisa ifulegi.
Iyini incazelo ye-pulley elula?
ipuli.I-pulley yisondo elithwala intambo eguqukayo, intambo, ikhebula, iketango, noma ibhande onqenqemeni lwalo.Ama-Pulley asetshenziswa eyedwa noma ehlangene ukuze adlulise amandla nokunyakaza.Ama-Pulley anamarimu amile abizwa ngokuthi izithungu.
Iyini i-pulley futhi isebenza kanjani?
I-pulley yintambo noma ucingo oluboshwe esondo.Ishintsha isiqondiso samandla.I-basic compound pulley inentambo noma intambo exhunywe endaweni emile eboshelwe eduze kwesondo elilodwa bese izungeza isondo lesibili.Ukudonsa intambo kusondeza amasondo amabili ndawonye
Isikhathi sokuthumela: Nov-30-2022
