Idler pulleys (lanƙwasa kura), wanda kuma aka sani a matsayin mai shiryarwa rollers, bel conveyors ne na kowa key aka gyara, yafi na canza shugabanci na injin mai daukar bel ko tsunkule shi qara drive drum kunsa kwana.

Idler pulleys da m, haske nauyi, kananan sawun, abin dogara yi, mai kyau kamannuna, aminci da m, har yanzu aiki a wuri mai ƙura, rigar da a cike da laka yanayi da kuma sauran matsananci fasali.

Idler pulleys kasa da bel motsi a cikin main, kamar bel isar shugabanci zuwa hagu, to, dama-hannun lanƙwasa kura bel injin mai daukar, babban tsarin ga hali da karfe tube, da drive nadi ne mai capstan bel injin mai daukar, daga tsakanin shi ne kamar dangantaka tsakanin keke ƙafafun, raya wheel drive nadi ne, gaban dabaran ne lanƙwasa kura. lanƙwasa drum da drive nadi a cikin tsarin babu wani bambanci, biyu daga cikin dogara sanda drive nadi nadi bearings da qazanta bẽnãye min main drive kuma kore iri biyu.