Hannun Lever Hoist

Hannun lefa na hannu (ko block sarkar hannu) kayan aiki ne mai nauyi mai nauyi wanda ke amfani da ka'idar lever don samar da karfin juzu'i madaidaiciya wanda ya dace da kaya. Yana fasalta ƙaƙƙarfan tsari, nauyi mai sauƙi, ƙananan girman, sauƙi mai sauƙi, babban aminci da aminci, da tsawon rayuwar sabis. Hoist na hannun hannu na iya yin ɗagawa, jan hankali, ragewa, daidaitawa, da sauran ayyuka. Tare da na'urori na musamman, kuma yana iya aiwatar da ayyukan gogayya marasa layi ko zaɓi wuraren aiki masu dacewa don faɗaɗa ƙarfin ɗaukar nauyi sau da yawa tare da ƙananan kayan aikin ton. Babban abubuwan haɗin lever ɗin hannu sun haɗa da dabaran sarƙar hannu, sarkar hannu, birki, dabaran ratchet, da sarkar ɗagawa. A lokacin amfani, ma'aikacin yana motsa dabaran sarkar hannu ta hanyar ja da hannu, wanda hakan ke motsa sarkar ɗagawa don cimma aikin ɗagawa. A lokaci guda kuma, birki yana tabbatar da cewa babu wani sarkar sarkar yayin da ake yin lodi, yana tabbatar da amincin aikin.