\u0110\u00f3 l\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u01a1 b\u1ea3n nh\u1ea5t khi l\u00e1i xe. Trong cu\u1ed9c s\u1ed1ng, con ng\u01b0\u1eddi kh\u00f4ng t\u00e1ch kh\u1ecfi ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n nhanh v\u00e0 thu\u1eadn ti\u1ec7n nh\u01b0 \u00f4 t\u00f4. Nh\u01b0ng t\u1ea1i sao m\u1ed7i khi nh\u1ea5n b\u00e0n \u0111\u1ea1p phanh m\u00e0 ta th\u01b0\u1eddng g\u1ecdi l\u00e0 “phanh xe” th\u00ec \u00f4 t\u00f4 l\u1ea1i d\u1eebng l\u1ea1i?<\/p>\n\n\n\n
Ch\u00fang ta bi\u1ebft r\u1eb1ng, l\u1ef1c t\u00e1c d\u1ee5ng l\u00e0 nguy\u00ean nh\u00e2n l\u00e0m thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt th\u1ec3. \u0110\u1ed1i v\u1edbi \u00f4 t\u00f4, ngo\u1ea1i gi\u1edbi m\u00e0 n\u00f3 ti\u1ebfp x\u00fac ch\u1ec9 c\u00f3 m\u1eb7t \u0111\u1ea5t, v\u00ec v\u1eady l\u1ef1c t\u00e1c d\u1ee5ng n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 l\u1ef1c t\u00e1c d\u1ee5ng c\u1ee7a m\u1eb7t \u0111\u1ea5t. V\u1eady th\u00ec, b\u00e0n \u0111\u1ea1p phanh \u00f4 t\u00f4 v\u00e0 m\u1eb7t \u0111\u1ea5t c\u00f3 quan h\u1ec7 v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o? C\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng phanh c\u1ee7a \u00f4 t\u00f4 ch\u1ee7 y\u1ebfu l\u00e0 do \u0111\u1ea1p phanh, c\u1ea7n k\u00e9o, b\u00e1nh cam, v.v. h\u1ee3p th\u00e0nh t\u00e1c d\u1ee5ng h\u00e3m do chi ti\u1ebft quay nh\u01b0 tr\u1ed1ng phanh v\u00e0 c\u00e1c chi ti\u1ebft c\u1ed1 \u0111\u1ecbnh nh\u01b0 gu\u1ed1c phanh, ch\u1ed1t \u0111\u1ee1 v\u00e0 l\u00f2 xo h\u1ed3i v\u1ecb v.v. h\u1ee3p th\u00e0nh, b\u00e0n \u0111\u1ea1p do ng\u01b0\u1eddi l\u00e1i \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n
H\u1ec7 th\u1ed1ng phanh kh\u00f4ng l\u00e0m vi\u1ec7c th\u00ec gi\u1eefa m\u1eb7t tr\u1ee5c tr\u00f2n b\u00ean trong c\u1ee7a tr\u1ed1ng phanh v\u00e0 m\u00e1 phanh c\u00f3 m\u1ed9t khe h\u1edf nh\u1ea5t \u0111\u1ecbnh, l\u00e0m cho tr\u1ed1ng phanh c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do theo b\u00e1nh xe. Khi gi\u1ea3m t\u1ed1c \u0111\u1ed9 xe, ng\u01b0\u1eddi l\u00e1i nh\u1ea5n b\u00e0n \u0111\u1ea1p phanh, th\u00f4ng qua c\u1ea7n \u0111\u1ea9y c\u00e1nh tay \u0111\u00f2n khi\u1ebfn cho b\u00e1nh l\u00e1i cam quay \u0111i m\u1ed9t g\u00f3c, do \u0111\u00f3 th\u1eafng \u0111\u01b0\u1ee3c l\u1ef1c c\u1ee7a l\u00f2 xo h\u1ed3i v\u1ecb, \u0111\u1ea9y gu\u1ed1c phanh quay quanh ch\u1ed1t \u0111\u1ee1, \u0111\u1ea7u tr\u00ean gu\u1ed1c phanh t\u00e1ch ra hai b\u00ean. Nh\u01b0 v\u1eady, gu\u1ed1c kh\u00f4ng quay, s\u1ea3n sinh ra m\u1ed9t m\u00f4men ma s\u00e1t b\u00ean tr\u00ean tr\u1ed1ng quay, chi\u1ec1u c\u1ee7a n\u00f3 ng\u01b0\u1ee3c v\u1edbi chi\u1ec1u quay c\u1ee7a b\u00e1nh xe. Sau khi m\u00f4men n\u00e0y truy\u1ec1n l\u1ef1c b\u00e1nh sau, do t\u00e1c d\u1ee5ng b\u00e1m c\u1ee7a b\u00e1nh xe v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng, n\u00ean b\u00e1nh xe s\u1ea3n sinh ra m\u1ed9t l\u1ef1c t\u00e1c d\u1ee5ng ti\u1ebfp tuy\u1ebfn h\u01b0\u1edbng v\u1ec1 ph\u00eda tr\u01b0\u1edbc, \u0111\u1ed3ng th\u1eddi theo nguy\u00ean l\u00fd l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0 ph\u1ea3n l\u1ef1c, m\u1eb7t \u0111\u01b0\u1eddng c\u0169ng t\u00e1c d\u1ee5ng tr\u1edf l\u1ea1i m\u1ed9t ph\u1ea7n l\u1ef1c c\u00f3 \u0111\u1ed9 l\u1edbn b\u1eb1ng nhau, c\u00f3 nhi\u1ec1u tr\u00e1i ng\u01b0\u1ee3c l\u1ea1i v\u1edbi b\u00e1nh xe, \u0111\u00f3 l\u00e0 l\u1ef1c h\u00e3m c\u1ea3n tr\u1edf \u00f4 t\u00f4 ti\u1ebfn l\u00ean.<\/p>\n\n\n\n
Do \u0111\u00f3 khi ng\u01b0\u1eddi l\u00e1i xe nh\u1ea5n b\u00e0n \u0111\u1ea1p phanh, qua m\u1ed9t lo\u1ea1t qu\u00e1 tr\u00ecnh t\u00e1c d\u1ee5ng c\u1ee7a h\u1ec7 th\u1ed1ng h\u00e3m, c\u00f3 th\u1ec3 l\u00e0m d\u1eebng l\u1ea1i m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian r\u1ea5t ng\u1eafn.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: Phanh xe; H\u1ec7 th\u1ed1ng phanh<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0110\u00f3 l\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u01a1 b\u1ea3n nh\u1ea5t khi l\u00e1i xe. Trong cu\u1ed9c s\u1ed1ng, con ng\u01b0\u1eddi kh\u00f4ng t\u00e1ch kh\u1ecfi ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n nhanh v\u00e0 thu\u1eadn ti\u1ec7n nh\u01b0 \u00f4 t\u00f4. Nh\u01b0ng t\u1ea1i sao m\u1ed7i khi nh\u1ea5n b\u00e0n \u0111\u1ea1p phanh m\u00e0 ta th\u01b0\u1eddng g\u1ecdi l\u00e0 “phanh xe” th\u00ec \u00f4 t\u00f4 l\u1ea1i d\u1eebng l\u1ea1i? Ch\u00fang ta bi\u1ebft r\u1eb1ng, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,16],"tags":[],"class_list":["post-8752","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8752"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8752\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}