{"id":4856,"date":"2026-04-08T18:50:25","date_gmt":"2026-04-08T18:50:25","guid":{"rendered":"https:\/\/www.sungda.com\/vi\/post\/how-many-types-pulley-vi"},"modified":"2026-04-08T18:50:25","modified_gmt":"2026-04-08T18:50:25","slug":"how-many-types-pulley-vi","status":"publish","type":"post","link":"https:\/\/www.sungda.com\/vi\/index.php\/how-many-types-pulley-vi\/","title":{"rendered":"C\u00f3 bao nhi\u00eau lo\u1ea1i r\u00f2ng r\u1ecdc?"},"content":{"rendered":"<p>Pulley c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: pulley d\u1eabn \u0111\u1ed9ng v\u00e0 con l\u0103n u\u1ed1n cong. Ch\u1ee9c n\u0103ng c\u1ee7a pulley d\u1eabn \u0111\u1ed9ng l\u00e0 di chuy\u1ec3n b\u0103ng t\u1ea3i th\u00f4ng qua truy\u1ec1n \u0111\u1ed9ng ma s\u00e1t gi\u1eefa b\u1ec1 m\u1eb7t h\u00ecnh tr\u1ee5 v\u00e0 b\u1ec1 m\u1eb7t b\u0103ng t\u1ea3i, \u0111\u1ed3ng th\u1eddi thay \u0111\u1ed5i h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a b\u0103ng t\u1ea3i. Vi\u1ec7c ch\u1ec9 thay \u0111\u1ed5i h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a b\u0103ng t\u1ea3i m\u00e0 kh\u00f4ng truy\u1ec1n c\u00f4ng su\u1ea5t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u1ed1ng \u0111\u1ea3o chi\u1ec1u (nh\u01b0 tr\u1ed1ng \u0111u\u00f4i, pulley c\u0103ng th\u1eb3ng \u0111\u1ee9ng, v.v.). Tr\u1ed1ng \u0111\u01b0\u1ee3c chia th\u00e0nh tr\u1ed1ng h\u00e0n t\u1ea5m th\u00e9p (l\u1edbn) v\u00e0 tr\u1ed1ng \u0111\u00fac (nh\u1ecf).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-966\" src=\"https:\/\/www.sungda.com\/wp-content\/uploads\/2019\/01\/20110408081-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pulley c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: pulley d\u1eabn \u0111\u1ed9ng v\u00e0 con l\u0103n u\u1ed1n cong. Ch\u1ee9c n\u0103ng c\u1ee7a pulley d\u1eabn \u0111\u1ed9ng l\u00e0 di chuy\u1ec3n b\u0103ng t\u1ea3i th\u00f4ng qua truy\u1ec1n \u0111\u1ed9ng ma s\u00e1t gi\u1eefa b\u1ec1 m\u1eb7t h\u00ecnh tr\u1ee5 v\u00e0 b\u1ec1 m\u1eb7t b\u0103ng t\u1ea3i, \u0111\u1ed3ng th\u1eddi thay \u0111\u1ed5i h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a b\u0103ng t\u1ea3i. Vi\u1ec7c ch\u1ec9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[637],"tags":[],"class_list":["post-4856","post","type-post","status-publish","format-standard","hentry","category-techinical-news-vi"],"_links":{"self":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/4856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/comments?post=4856"}],"version-history":[{"count":0,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/4856\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/media?parent=4856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/categories?post=4856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/tags?post=4856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}