{"id":8921,"date":"2024-08-28T07:04:57","date_gmt":"2024-08-28T07:04:57","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=8921"},"modified":"2024-09-27T03:41:33","modified_gmt":"2024-09-27T03:41:33","slug":"4-hydraulic-grabs-failures-you-must-know","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/vi\/posts\/4-hydraulic-grabs-failures-you-must-know\/","title":{"rendered":"4 l\u1ed7i h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng c\u1ee7a c\u1ea7n c\u1ea9u th\u1ee7y l\u1ef1c m\u00e0 b\u1ea1n ph\u1ea3i bi\u1ebft"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>M\u1ee5c l\u1ee5c<\/p><nav><ul><li><a href=\"#hydraulic-grabs-failure-1-air-enters-the-hydraulic-system\">L\u1ed7i k\u1eb9p th\u1ee7y l\u1ef1c 1: Kh\u00f4ng kh\u00ed l\u1ecdt v\u00e0o h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/a><\/li><li><a href=\"#hydraulic-grabs-failure-2-\uff1a-hydraulic-system-pollution\">H\u1ecfng g\u1eafp th\u1ee7y l\u1ef1c 2: \u00d4 nhi\u1ec5m h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/a><\/li><li><a href=\"#hydraulic-grabs-failure-3-\uff1a-hydraulic-system-oil-leakage\">H\u1ecfng k\u1eb9p th\u1ee7y l\u1ef1c 3: R\u00f2 r\u1ec9 d\u1ea7u h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/a><ul><li><a href=\"#four-leakage-methods-of-hydraulic-system\">B\u1ed1n ph\u01b0\u01a1ng ph\u00e1p r\u00f2 r\u1ec9 c\u1ee7a h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/a><\/li><\/ul><\/li><li><a href=\"#hydraulic-grabs-failure-4-hydraulic-oil-overheating\">H\u1ecfng k\u1eb9p th\u1ee7y l\u1ef1c 4: D\u1ea7u th\u1ee7y l\u1ef1c qu\u00e1 n\u00f3ng<\/a><\/li><\/ul><\/nav><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1701\" height=\"1241\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/4-Hydraulic-Grabs-Failures.jpg\" alt=\"\" class=\"wp-image-8929\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/4-Hydraulic-Grabs-Failures.jpg 1701w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/4-Hydraulic-Grabs-Failures-1536x1121.jpg 1536w\" sizes=\"(max-width: 1701px) 100vw, 1701px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-left\">Vi\u1ec7c duy tr\u00ec<a href=\"https:\/\/www.hndfcrane.com\/vi\/electro-hydraulic-orange-peel-grabs\/\"> g\u1ea7u th\u1ee7y l\u1ef1c<\/a> \u0111\u1ed1i v\u1edbi c\u1ea7n c\u1ea9u l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a ch\u00fang v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb. C\u00e1c lo\u1ea1i g\u1ea7u th\u1ee7y l\u1ef1c th\u01b0\u1eddng d\u1ec5 g\u1eb7p ph\u1ea3i nhi\u1ec1u s\u1ef1 c\u1ed1 kh\u00e1c nhau khi s\u1eed d\u1ee5ng trong c\u00f4ng vi\u1ec7c. H\u1ea7u h\u1ebft c\u00e1c s\u1ef1 c\u1ed1 g\u1ea7u th\u1ee7y l\u1ef1c c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u1ea7n c\u1ea9u th\u00f4ng th\u01b0\u1eddng trong thi\u1ebft b\u1ecb l\u00e0 do d\u1ea7u th\u1ee7y l\u1ef1c qu\u00e1 n\u00f3ng, kh\u00ed n\u1ea1p, \u00f4 nhi\u1ec5m v\u00e0 r\u00f2 r\u1ec9 d\u1ea7u. Do h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c b\u1ecb h\u1ecfng, s\u1ef1 c\u1ed1 c\u1ee7a h\u1ec7 th\u1ed1ng ch\u00ednh s\u1ebd tr\u1ef1c ti\u1ebfp d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ed1 c\u1ee7a h\u1ec7 th\u1ed1ng ch\u00ednh, g\u00e2y ra thi\u1ec7t h\u1ea1i kinh t\u1ebf nghi\u00eam tr\u1ecdng h\u01a1n. Do \u0111\u00f3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u00e2y ra c\u00e1c s\u1ef1 c\u1ed1 g\u1ea7u th\u1ee7y l\u1ef1c n\u00e0y v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba t\u01b0\u01a1ng \u1ee9ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u chi ti\u1ebft 4 s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u00e0 ph\u01b0\u01a1ng ph\u00e1p s\u1eeda ch\u1eefa c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hydraulic-grabs-failure-1-air-enters-the-hydraulic-system\">L\u1ed7i k\u1eb9p th\u1ee7y l\u1ef1c 1: Kh\u00f4ng kh\u00ed l\u1ecdt v\u00e0o h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"490\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/AIR-1.jpg\" alt=\"\" class=\"wp-image-8924\"\/><\/figure>\n\n\n\n<p><strong>G\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng g\u1eafp th\u1ee7y l\u1ef1c<\/strong> <strong>s\u1ef1 th\u1ea5t b\u1ea1i: <\/strong><\/p>\n\n\n\n<ul>\n<li>Th\u1ee7y l\u1ef1c gi\u1eef v\u1ecb tr\u00ed chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a piston xi lanh.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>Xi lanh th\u1ee7y l\u1ef1c c\u1ee7a g\u1ea7u ngo\u1ea1m th\u1ee7y l\u1ef1c rung ho\u1eb7c th\u1eadm ch\u00ed ph\u00e1t ra ti\u1ebfng \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>Xi lanh th\u1ee7y l\u1ef1c c\u1ee7a g\u1ea7u th\u1ee7y l\u1ef1c t\u1ea1o ra \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 v\u00e0 thi\u00eau k\u1ebft.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>K\u1ebft qu\u1ea3 l\u00e0 \u0111\u01b0\u1eddng t\u00e2m c\u1ee7a xi lanh th\u1ee7y l\u1ef1c c\u1ee7a g\u1ea7u ngo\u1ea1m th\u1ee7y l\u1ef1c kh\u00f4ng song song v\u1edbi thanh ray d\u1eabn h\u01b0\u1edbng c\u1ee7a \u1ed1ng d\u1eabn h\u01b0\u1edbng v\u00e0 b\u1ecb l\u1ec7ch.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>Hi\u1ec7u su\u1ea5t th\u1ec3 t\u00edch c\u1ee7a b\u01a1m th\u1ee7y l\u1ef1c trong g\u1ea7u ngo\u1ea1m th\u1ee7y l\u1ef1c gi\u1ea3m, t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng t\u0103ng v\u00e0 h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c kh\u00f4ng th\u1ec3 ph\u00e1t huy h\u1ebft hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>\u0110\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a d\u1ea7u th\u1ee7y l\u1ef1c trong xi lanh th\u1ee7y l\u1ef1c c\u1ee7a g\u1ea7u th\u1ee7y l\u1ef1c b\u1ecb gi\u1ea3m, nhi\u1ec7t \u0111\u1ed9 d\u1ea7u t\u0103ng l\u00ean, g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table alignleft is-style-regular\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>L\u00fd do<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Gi\u1ea3i ph\u00e1p<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Kh\u00f4ng kh\u00ed h\u00edt v\u00e0o do c\u00e1c m\u1ed1i n\u1ed1i l\u1ecfng l\u1ebbo ho\u1eb7c ph\u1edbt d\u1ea7u v\u00e0 v\u00f2ng \u0111\u1ec7m b\u1ecb h\u1ecfng.<\/td><td class=\"has-text-align-center\" data-align=\"center\">M\u1ed7i m\u1ed1i n\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t v\u00e0 \u0111\u1ea3m b\u1ea3o b\u00ecnh nhi\u00ean li\u1ec7u \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn \u0111\u1ec3 ng\u0103n kh\u00f4ng cho kh\u00f4ng kh\u00ed b\u00ean ngo\u00e0i x\u00e2m nh\u1eadp v\u00e0 l\u00e0m \u00f4 nhi\u1ec5m h\u1ec7 th\u1ed1ng, \u0111\u1ed3ng th\u1eddi tho\u00e1t ra ngo\u00e0i.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u0110\u01b0\u1eddng \u1ed1ng h\u1ea5p th\u1ee5 d\u1ea7u v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng b\u1ecb m\u00f2n, tr\u1ea7y x\u01b0\u1edbc ho\u1eb7c b\u1ecb \u0103n m\u00f2n, khi\u1ebfn kh\u00f4ng kh\u00ed l\u1ecdt v\u00e0o.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd \u0111\u1ec3 h\u1ee3p l\u00fd h\u00f3a b\u1ed1 tr\u00ed \u0111\u01b0\u1eddng \u1ed1ng.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">C\u00e1c b\u1ecdt kh\u00ed sinh ra do m\u1ea5t t\u1eadp trung trong qu\u00e1 tr\u00ecnh ti\u1ebfp nhi\u00ean li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o b\u00ecnh nhi\u00ean li\u1ec7u v\u00e0 h\u00f2a v\u00e0o h\u1ec7 th\u1ed1ng.<\/td><td class=\"has-text-align-center\" data-align=\"center\">X\u1eed l\u00fd kh\u00ed th\u1ea3i l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1eef cho \u0111\u01b0\u1eddng \u1ed1ng s\u1ea1ch s\u1ebd v\u00e0 gi\u1ea3m s\u1ef1 \u0103n m\u00f2n b\u00ean ngo\u00e0i.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">C\u00e1c v\u1eadt th\u1ec3 l\u1ea1 v\u00e0 \u0111\u1ed9 \u1ea9m \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn trong xi lanh th\u1ee7y l\u1ef1c, g\u00e2y ra \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 v\u00e0 thi\u00eau k\u1ebft.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Th\u00e0nh b\u00ean trong c\u1ee7a xi lanh c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng v\u00e0 t\u00ecm ra nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 tr\u1ed9n l\u1eabn c\u00e1c v\u1eadt ch\u1ea5t l\u1ea1.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Vi\u1ec7c l\u1eafp \u0111\u1eb7t xi lanh th\u1ee7y l\u1ef1c kh\u00f4ng \u0111\u00fang c\u00e1ch s\u1ebd khi\u1ebfn \u0111\u01b0\u1eddng t\u00e2m v\u00e0 thanh ray d\u1eabn h\u01b0\u1edbng c\u1ee7a \u1ed1ng d\u1eabn h\u01b0\u1edbng kh\u00f4ng song song.<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;C\u1ea7n ph\u1ea3i c\u00e0i \u0111\u1eb7t l\u1ea1i.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Gio\u0103ng th\u1ec3 thao qu\u00e1 ch\u1eb7t.<\/td><td class=\"has-text-align-center\" data-align=\"center\">&nbsp;C\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh ph\u1edbt.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Piston v\u00e0 thanh piston c\u00f3 tr\u1ee5c kh\u00e1c nhau.<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea7n ph\u1ea3i s\u1eeda theo h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u1ed0ng d\u1eabn h\u01b0\u1edbng v\u00e0 xi lanh kh\u00f4ng n\u1eb1m tr\u00ean c\u00f9ng m\u1ed9t tr\u1ee5c.<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea7n ph\u1ea3i s\u1eeda theo h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t.&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Thanh piston b\u1ecb cong.<\/td><td class=\"has-text-align-center\" data-align=\"center\">B\u1ea1n c\u1ea7n l\u00e0m theo h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t \u0111\u1ec3 n\u1eafn th\u1eb3ng thanh piston. <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u0110\u1ed9 tr\u1ee5 c\u1ee7a \u0111\u01b0\u1eddng k\u00ednh b\u00ean trong c\u1ee7a xi lanh c\u1ef1c k\u1ef3 k\u00e9m.<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea7n ph\u1ea3i khoan v\u00e0 m\u00e0i xy lanh, l\u1eafp l\u1ea1i piston.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">B\u1ec1 m\u1eb7t tr\u01b0\u1ee3t qu\u00e1 ch\u1eb7t ho\u1eb7c b\u1ec1 m\u1eb7t b\u1ecb ch\u1ea3i.<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea7n m\u00e0i s\u1eafc b\u1ec1 m\u1eb7t tr\u01b0\u1ee3t.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">N\u1ebfu ph\u1edbt piston b\u1ecb h\u1ecfng, d\u1ea7u trong bu\u1ed3ng \u00e1p su\u1ea5t cao s\u1ebd nhanh ch\u00f3ng ch\u1ea3y ng\u01b0\u1ee3c v\u1ec1 bu\u1ed3ng \u00e1p su\u1ea5t th\u1ea5p, t\u1ea1o ra ti\u1ebfng &quot;g\u1ea7m&quot;.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ph\u1edbt piston c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c thay th\u1ebf.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hydraulic-grabs-failure-2-\uff1a-hydraulic-system-pollution\">H\u1ecfng g\u1eafp th\u1ee7y l\u1ef1c 2: \u00d4 nhi\u1ec5m h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"490\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/Hydraulic-system-pollution.jpg\" alt=\"\" class=\"wp-image-8926\"\/><\/figure>\n\n\n\n<p><strong>Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i: <\/strong><\/p>\n\n\n\n<ul>\n<li>C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m s\u1ebd l\u00e0m t\u1eafc c\u00e1c b\u1ed9 ph\u1eadn th\u1ee7y l\u1ef1c c\u1ee7a g\u1eafp th\u1ee7y l\u1ef1c trong v\u00e0 ngo\u00e0i d\u1ea7u ho\u1eb7c c\u00e1c kho\u1ea3ng tr\u1ed1ng gi\u1eefa ch\u00fang, g\u00e2y ra l\u1ed7i chuy\u1ec3n \u0111\u1ed9ng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c ho\u1eb7c g\u00e2y ra tai n\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>N\u00f3 c\u0169ng c\u00f3 th\u1ec3 g\u00e2y t\u1eafc ngh\u1ebdn b\u1ed9 l\u1ecdc v\u00e0 c\u00f3 th\u1ec3 khi\u1ebfn b\u1ed9 l\u1ecdc m\u1ea5t ho\u00e0n to\u00e0n t\u00e1c d\u1ee5ng l\u1ecdc, g\u00e2y ra v\u00f2ng lu\u1ea9n qu\u1ea9n c\u1ee7a h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u1ee7a g\u1ea7u th\u1ee7y l\u1ef1c.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>D\u1ea7u th\u1ee7y l\u1ef1c v\u00e0 n\u01b0\u1edbc c\u1ee7a g\u1ea7u th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>L\u00fd do<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Gi\u1ea3i ph\u00e1p<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">M\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng c\u00f3 nhi\u1ec1u b\u1ee5i v\u00e0 b\u00ean ngo\u00e0i h\u1ec7 th\u1ed1ng kh\u00f4ng s\u1ea1ch s\u1ebd.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Khi h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c ho\u1ea1t \u0111\u1ed9ng \u1edf n\u01a1i c\u00f3 \u00f4 nhi\u1ec5m b\u1ee5i nghi\u00eam tr\u1ecdng trong th\u1eddi gian d\u00e0i, h\u00e3y c\u1ed1 g\u1eafng l\u1ecdc d\u1ea7u 2 th\u00e1ng m\u1ed9t l\u1ea7n v\u00e0 thay b\u1ed9 l\u1ecdc d\u1ea7u \u0111\u1ea7u v\u00e0o kho\u1ea3ng n\u1eeda n\u0103m m\u1ed9t l\u1ea7n.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">C\u00e1c t\u1ea1p ch\u1ea5t \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o h\u1ec7 th\u1ed1ng trong qu\u00e1 tr\u00ecnh ti\u1ebfp nhi\u00ean li\u1ec7u, ki\u1ec3m tra b\u1ec1 m\u1eb7t d\u1ea7u v\u00e0 b\u1ea3o d\u01b0\u1ee1ng.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Trong qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng, h\u00e3y ch\u00fa \u00fd v\u1ec7 sinh b\u00ecnh d\u1ea7u v\u00e0 c\u1ed1 g\u1eafng th\u1ef1c hi\u1ec7n trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng c\u00f3 b\u1ee5i.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">N\u1ebfu nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao, d\u1ea7u th\u1ee7y l\u1ef1c s\u1ebd b\u1ecb h\u1ecfng. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao, t\u1ed1c \u0111\u1ed9 d\u1ea7u th\u1ee7y l\u1ef1c b\u1ecb h\u1ecfng s\u1ebd t\u0103ng nhanh.<\/td><td class=\"has-text-align-center\" data-align=\"center\">N\u1ebfu \u0111i\u1ec1u n\u00e0y x\u1ea3y ra, g\u1ea7u ngo\u1ea1m \u0111i\u1ec7n th\u1ee7y l\u1ef1c c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">D\u1ea7u th\u1ee7y l\u1ef1c v\u00e0 n\u01b0\u1edbc \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn v\u1edbi nhau, n\u1ebfu c\u00f3 n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c s\u1ebd g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea7n ki\u1ec3m tra \u0111\u1ed9 k\u00edn c\u1ee7a h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u1ee7a g\u1ea7u ngo\u1ea1m \u0111i\u1ec7n th\u1ee7y l\u1ef1c.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">N\u1ebfu trong b\u00ecnh nhi\u00ean li\u1ec7u c\u1ee7a g\u1ea7u ngo\u1ea1m \u0111i\u1ec7n th\u1ee7y l\u1ef1c c\u00f3 t\u1ea1p ch\u1ea5t, d\u1ea7u th\u1ee7y l\u1ef1c s\u1ebd b\u1ecb nhi\u1ec5m t\u1ea1p ch\u1ea5t v\u00e0 b\u1ecb bi\u1ebfn ch\u1ea5t.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ki\u1ec3m tra v\u00e0 duy tr\u00ec m\u00f4i tr\u01b0\u1eddng s\u1ea1ch s\u1ebd trong b\u00ecnh nhi\u00ean li\u1ec7u k\u1ecbp th\u1eddi v\u00e0 ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hydraulic-grabs-failure-3-\uff1a-hydraulic-system-oil-leakage\">H\u1ecfng k\u1eb9p th\u1ee7y l\u1ef1c 3: R\u00f2 r\u1ec9 d\u1ea7u h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"490\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/Hydraulic-system-oil-leakage.jpg\" alt=\"\" class=\"wp-image-8927\"\/><\/figure>\n\n\n\n<p><strong>Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i: &nbsp;<\/strong><\/p>\n\n\n\n<ul>\n<li>Xi lanh th\u1ee7y l\u1ef1c c\u1ee7a g\u1ea7u ngo\u1ea1m th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 di chuy\u1ec3n, nh\u01b0ng t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n qu\u00e1 ch\u1eadm.&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>Khi h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u1ee7a g\u1ea7u th\u1ee7y l\u1ef1c b\u1ecb r\u00f2 r\u1ec9 nghi\u00eam tr\u1ecdng, \u00e1p su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng s\u1ebd kh\u00f4ng \u0111\u1ee7, khi\u1ebfn g\u1ea7u kh\u00f4ng th\u1ec3 \u0111\u00f3ng m\u1edf b\u00ecnh th\u01b0\u1eddng.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li>R\u00f2 r\u1ec9 d\u1ea7u th\u1ee7y l\u1ef1c c\u0169ng c\u00f3 th\u1ec3 g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ea3n xu\u1ea5t, th\u1eadm ch\u00ed g\u00e2y ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng kh\u00f4ng th\u1ec3 l\u01b0\u1eddng tr\u01b0\u1edbc \u0111\u01b0\u1ee3c.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>L\u00fd do<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Gi\u1ea3i ph\u00e1p<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn th\u1ee7y l\u1ef1c trong c\u1ee5m, l\u1ef1c qu\u00e1 m\u1ee9c s\u1ebd l\u00e0m bi\u1ebfn d\u1ea1ng c\u00e1c b\u1ed9 ph\u1eadn, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u0111\u1eadp v\u00e0o kh\u1ed1i xi lanh v\u00e0 l\u00e0m k\u00edn m\u1eb7t b\u00edch b\u1eb1ng thanh \u0111\u1ed3ng, v.v.<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea7n ch\u00fa \u00fd \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ebfn kh\u00e2u thi\u1ebft k\u1ebf v\u00e0 gia c\u00f4ng c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m k\u00edn trong c\u00e1c kh\u00e2u thi\u1ebft k\u1ebf v\u00e0 gia c\u00f4ng.<br>\u0110\u1ec3 ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p l\u1eafp r\u00e1p ch\u00ednh x\u00e1c.&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">C\u00e1c b\u1ed9 ph\u1eadn b\u1ecb h\u01b0 h\u1ecfng do va ch\u1ea1m trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c, s\u1ebd l\u00e0m x\u01b0\u1edbc b\u1ed9 ph\u1eadn l\u00e0m k\u00edn v\u00e0 g\u00e2y r\u00f2 r\u1ec9.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ch\u1ecdn lo\u1ea1i ph\u1edbt ph\u00f9 h\u1ee3p \u0111\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian b\u1ea3o qu\u1ea3n.<br>Ch\u00fa \u00fd b\u1ea3o v\u1ec7 l\u1edbp ni\u00eam phong \u0111\u1ec3 tr\u00e1nh b\u1ecb tr\u1ea7y x\u01b0\u1edbc b\u1edfi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">M\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00f3 b\u1ee5i v\u00e0 t\u1ea1p ch\u1ea5t, n\u1ebfu kh\u00f4ng ch\u1ecdn gio\u0103ng ch\u1ed1ng b\u1ee5i ph\u00f9 h\u1ee3p s\u1ebd x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng r\u00f2 r\u1ec9.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Khi l\u1ef1a ch\u1ecdn v\u00e0 thi\u1ebft k\u1ebf ph\u1edbt, h\u00e3y c\u00e2n nh\u1eafc \u0111\u1ebfn lo\u1ea1i d\u1ea7u th\u1ee7y l\u1ef1c v\u00e0 v\u1eadt li\u1ec7u ph\u1edbt t\u01b0\u01a1ng th\u00edch, \u0111i\u1ec1u ki\u1ec7n t\u1ea3i, t\u1ed1c \u0111\u1ed9 l\u00e0m vi\u1ec7c, s\u1ef1 thay \u0111\u1ed5i v\u1ec1 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, v.v. v\u00e0 ch\u1ecdn lo\u1ea1i ph\u1edbt h\u1ee3p l\u00fd v\u00e0 ph\u1edbt ch\u1ed1ng b\u1ee5i ph\u00f9 h\u1ee3p.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">C\u00e1c b\u1ed9 ph\u1eadn b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c h\u01b0 h\u1ecfng.<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea7n ph\u1ea3i s\u1eeda ch\u1eefa ho\u1eb7c thay th\u1ebf tr\u1ef1c ti\u1ebfp.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Ngu\u1ed3n cung c\u1ea5p d\u1ea7u cho b\u01a1m th\u1ee7y l\u1ef1c kh\u00f4ng \u0111\u1ee7, khi\u1ebfn \u00e1p su\u1ea5t kh\u00f4ng t\u0103ng l\u00ean.<\/td><td class=\"has-text-align-center\" data-align=\"center\">X\u1eed l\u00fd s\u1ef1 c\u1ed1 b\u01a1m th\u1ee7y l\u1ef1c.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Do h\u1ec7 th\u1ed1ng r\u00f2 r\u1ec9 qu\u00e1 m\u1ee9c.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ki\u1ec3m tra hi\u1ec7u su\u1ea5t b\u1ecbt k\u00edn c\u1ee7a t\u1eebng b\u1ed9 ph\u1eadn v\u00e0 \u0111\u01b0\u1eddng \u1ed1ng.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Trong xi lanh c\u00f3 c\u00e1c khoang thanh truy\u1ec1n v\u00e0 c\u00e1c khoang kh\u00f4ng thanh truy\u1ec1n, ngh\u0129a l\u00e0 m\u1ed9t ph\u1ea7n d\u1ea7u \u00e1p su\u1ea5t trong bu\u1ed3ng \u00e1p su\u1ea5t cao r\u00f2 r\u1ec9 t\u1eeb ph\u1edbt piston v\u00e0o bu\u1ed3ng \u00e1p su\u1ea5t th\u1ea5p.<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea7n ph\u1ea3i thay th\u1ebf c\u1ee5m ph\u1edbt piston.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Xi lanh ho\u1eb7c piston c\u1ee7a xi lanh d\u1ea7u b\u1ecb m\u00f2n qu\u00e1 m\u1ee9c.<\/td><td class=\"has-text-align-center\" data-align=\"center\">B\u1ea1n c\u1ea7n c\u00e2n nh\u1eafc xem c\u00f3 n\u00ean m\u00e0i l\u1ea1i hay thay m\u1edbi lu\u00f4n.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:52px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"four-leakage-methods-of-hydraulic-system\">B\u1ed1n ph\u01b0\u01a1ng ph\u00e1p r\u00f2 r\u1ec9 c\u1ee7a h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c<\/h3>\n\n\n\n<ul>\n<li><strong>R\u00f2 r\u1ec9 khe h\u1edf<\/strong>\uff1aC\u00f3 hai lo\u1ea1i r\u00f2 r\u1ec9 khe h\u1edf ch\u00ednh trong h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u1ee7a m\u00e1y m\u00f3c x\u00e2y d\u1ef1ng, r\u00f2 r\u1ec9 t\u1ea1i ph\u1edbt c\u1ed1 \u0111\u1ecbnh (b\u1ec1 m\u1eb7t kh\u1edbp t\u0129nh) v\u00e0 r\u00f2 r\u1ec9 t\u1ea1i ph\u1edbt \u0111\u1ed9ng (b\u1ec1 m\u1eb7t kh\u1edbp \u0111\u1ed9ng). C\u00e1c b\u1ed9 ph\u1eadn r\u00f2 r\u1ec9 c\u1ee7a ph\u1edbt c\u1ed1 \u0111\u1ecbnh ch\u1ee7 y\u1ebfu bao g\u1ed3m m\u1ed1i n\u1ed1i gi\u1eefa \u0111\u1ea7u xi lanh c\u1ee7a xi lanh th\u1ee7y l\u1ef1c v\u00e0 xi lanh; ph\u1edbt chuy\u1ec3n \u0111\u1ed9ng ch\u1ee7 y\u1ebfu bao g\u1ed3m piston c\u1ee7a xi lanh th\u1ee7y l\u1ef1c v\u00e0 th\u00e0nh trong c\u1ee7a xi lanh xi lanh, gi\u1eefa thanh piston v\u00e0 \u1ed1ng d\u1eabn h\u01b0\u1edbng \u0111\u1ea7u xi lanh. K\u00edch th\u01b0\u1edbc r\u00f2 r\u1ec9 khe h\u1edf li\u00ean quan \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t v\u00e0 khe h\u1edf.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>R\u00f2 r\u1ec9 x\u1ed1p<\/strong>\uff1aNhi\u1ec1u t\u1ea5m ph\u1ee7 trong c\u00e1c th\u00e0nh ph\u1ea7n th\u1ee7y l\u1ef1c, do \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t, kh\u00f4ng th\u1ec3 ti\u1ebfp x\u00fac ho\u00e0n to\u00e0n gi\u1eefa hai b\u1ec1 m\u1eb7t. Trong c\u00e1c ch\u1ed7 l\u00f5m vi m\u00f4 m\u00e0 hai b\u1ec1 m\u1eb7t kh\u00f4ng ti\u1ebfp x\u00fac, nhi\u1ec1u l\u1ed7 r\u1ed7ng c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng m\u1eb7t c\u1eaft ngang v\u00e0 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh. K\u00edch th\u01b0\u1edbc m\u1eb7t c\u1eaft ngang c\u1ee7a c\u00e1c l\u1ed7 r\u1ed7ng li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t. Nhi\u1ec1u l\u1ed7 r\u1ed7ng b\u1ecb r\u00f2 r\u1ec9 v\u00e0 ch\u1ea5t l\u1ecfng c\u1ea7n ch\u1ea3y qua nhi\u1ec1u l\u1ed7 r\u1ed7ng cong. Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m hi\u1ec7u su\u1ea5t b\u1ecbt k\u00edn, ph\u1ea3i m\u1ea5t m\u1ed9t th\u1eddi gian gi\u1eef nh\u1ea5t \u0111\u1ecbnh tr\u01b0\u1edbc khi c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ra r\u00f2 r\u1ec9.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>R\u00f2 r\u1ec9 ch\u1ea5t nh\u1ea7y<\/strong>\uff1aC\u00f3 m\u1ed9t \u0111\u1ed9 b\u00e1m d\u00ednh nh\u1ea5t \u0111\u1ecbnh gi\u1eefa ch\u1ea5t l\u1ecfng nh\u1edbt v\u00e0 c\u00e1nh tay r\u1eafn. Sau khi hai b\u00ean ti\u1ebfp x\u00fac, m\u1ed9t l\u1edbp ch\u1ea5t l\u1ecfng m\u1ecfng s\u1ebd b\u00e1m v\u00e0o b\u1ec1 m\u1eb7t r\u1eafn. N\u1ebfu l\u1edbp m\u00e0ng tr\u00ean b\u1ec1 m\u1eb7t r\u1eafn d\u00e0y h\u01a1n, l\u1edbp m\u00e0ng d\u1ea7u s\u1ebd b\u1ecb v\u00f2ng \u0111\u1ec7m c\u1ea1o ra do chuy\u1ec3n \u0111\u1ed9ng l\u1eabn nhau. R\u00f2 r\u1ec9 \u0111\u1ed9 b\u00e1m d\u00ednh. C\u00e1ch c\u01a1 b\u1ea3n \u0111\u1ec3 ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 \u0111\u1ed9 b\u00e1m d\u00ednh l\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp b\u00e1m d\u00ednh ch\u1ea5t l\u1ecfng.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>R\u00f2 r\u1ec9 \u0111i\u1ec7n<\/strong>\uff1aTr\u00ean b\u1ec1 m\u1eb7t k\u00edn c\u1ee7a tr\u1ee5c quay, n\u1ebfu c\u00f3 d\u1ea5u v\u1ebft gia c\u00f4ng xo\u1eafn \u1ed1c khi tr\u1ee5c quay, ch\u1ea5t l\u1ecfng ch\u1ea3y d\u1ecdc theo r\u00e3nh c\u1ee7a d\u1ea5u v\u1ebft xo\u1eafn \u1ed1c d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c quay c\u1ee7a tr\u1ee5c quay. N\u1ebfu h\u01b0\u1edbng c\u1ee7a d\u1ea5u v\u1ebft xo\u1eafn \u1ed1c ph\u00f9 h\u1ee3p v\u1edbi h\u01b0\u1edbng quay c\u1ee7a tr\u1ee5c, r\u00f2 r\u1ec9 \u0111i\u1ec7n s\u1ebd x\u1ea3y ra do hi\u1ec7u \u1ee9ng &quot;b\u01a1m d\u1ea7u&quot; c\u1ee7a d\u1ea5u v\u1ebft xo\u1eafn \u1ed1c. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a r\u00f2 r\u1ec9 \u0111i\u1ec7n l\u00e0 t\u1ed1c \u0111\u1ed9 tr\u1ee5c c\u00e0ng cao th\u00ec r\u00f2 r\u1ec9 c\u00e0ng l\u1edbn. \u0110\u1ec3 ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 \u0111i\u1ec7n, n\u00ean tr\u00e1nh s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a d\u1ea5u v\u1ebft gia c\u00f4ng &quot;b\u01a1m d\u1ea7u&quot; tr\u00ean b\u1ec1 m\u1eb7t l\u00e0m k\u00edn c\u1ee7a tr\u1ee5c v\u00e0 m\u00e9p c\u1ee7a v\u00f2ng \u0111\u1ec7m, ho\u1eb7c n\u00ean s\u1eed d\u1ee5ng nguy\u00ean l\u00fd r\u00f2 r\u1ec9 \u0111i\u1ec7n v\u00e0 n\u00ean s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng b\u01a1m d\u1ea7u c\u1ee7a d\u1ea5u v\u1ebft xo\u1eafn \u1ed1c \u0111\u1ec3 b\u01a1m d\u1ea7u r\u00f2 r\u1ec9 tr\u1edf l\u1ea1i \u0111\u1ec3 ng\u0103n ng\u1eeba r\u00f2 r\u1ec9.<\/li>\n<\/ul>\n\n\n\n<p>V\u1ec1 ph\u01b0\u01a1ng ph\u00e1p r\u00f2 r\u1ec9, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam:<a href=\"https:\/\/vbn.aau.dk\/en\/publications\/leakage-and-its-effects-in-various-hydraulics-driven-system\" target=\"_blank\" rel=\"noopener\">R\u00f2 r\u1ec9 v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 trong c\u00e1c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c kh\u00e1c nhau<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hydraulic-grabs-failure-4-hydraulic-oil-overheating\">H\u1ecfng k\u1eb9p th\u1ee7y l\u1ef1c 4: D\u1ea7u th\u1ee7y l\u1ef1c qu\u00e1 n\u00f3ng<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"965\" height=\"490\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/Hydraulic-oil-overheating.jpg\" alt=\"\" class=\"wp-image-8928\"\/><\/figure>\n\n\n\n<p><strong>Nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 th\u1ea5t b\u1ea1i<\/strong><\/p>\n\n\n\n<ul>\n<li>\u0110\u1ed9 nh\u1edbt c\u1ee7a d\u1ea7u th\u1ee7y l\u1ef1c v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c \u0111\u1ec1u gi\u1ea3m, th\u1eadm ch\u00ed m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb c\u0169ng kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>L\u00fd do<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Gi\u1ea3i ph\u00e1p<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng qu\u00e1 cao, s\u1eed d\u1ee5ng t\u1ea3i tr\u1ecdng l\u1edbn trong th\u1eddi gian d\u00e0i s\u1ebd khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 d\u1ea7u t\u0103ng cao.<\/td><td class=\"has-text-align-center\" data-align=\"center\">N\u00ean tr\u00e1nh l\u00e0m vi\u1ec7c li\u00ean t\u1ee5c v\u00e0 ch\u1ecbu t\u1ea3i n\u1eb7ng trong th\u1eddi gian d\u00e0i. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 d\u1ea7u qu\u00e1 cao, thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng t\u1ea3i trong m\u1ed9t th\u1eddi gian, sau \u0111\u00f3 l\u00e0m vi\u1ec7c sau khi nhi\u1ec7t \u0111\u1ed9 d\u1ea7u gi\u1ea3m xu\u1ed1ng.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t c\u1ee7a b\u00ecnh nhi\u00ean li\u1ec7u k\u00e9m, khi\u1ebfn nhi\u1ec7t \u0111\u1ed9 d\u1ea7u trong b\u00ecnh nhi\u00ean li\u1ec7u qu\u00e1 cao.<\/td><td class=\"has-text-align-center\" data-align=\"center\">C\u1ea7n t\u0103ng th\u1ec3 t\u00edch b\u00ecnh nhi\u00ean li\u1ec7u, t\u1ee9c l\u00e0 di\u1ec7n t\u00edch t\u1ea3n nhi\u1ec7t, \u0111\u1ed3ng th\u1eddi l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb l\u00e0m m\u00e1t d\u1ea7u.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">L\u1ef1a ch\u1ecdn d\u1ea7u th\u1ee7y l\u1ef1c kh\u00f4ng ph\u00f9 h\u1ee3p, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 c\u1ea5p \u0111\u1ed9 nh\u1edbt c\u1ee7a d\u1ea7u kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ho\u1eb7c pha tr\u1ed9n c\u00e1c c\u1ea5p \u0111\u1ed9 d\u1ea7u th\u1ee7y l\u1ef1c kh\u00e1c nhau khi\u1ebfn \u0111\u1ed9 nh\u1edbt c\u1ee7a d\u1ea7u th\u1ee7y l\u1ef1c qu\u00e1 th\u1ea5p ho\u1eb7c qu\u00e1 cao.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ch\u1ecdn lo\u1ea1i d\u1ea7u th\u1ee7y l\u1ef1c \u0111\u1ea1t ti\u00eau chu\u1ea9n v\u00e0 kh\u00f4ng tr\u1ed9n l\u1eabn hai lo\u1ea1i d\u1ea7u th\u1ee7y l\u1ef1c kh\u00e1c nhau.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">M\u00f4i tr\u01b0\u1eddng c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng kh\u1eafc nghi\u1ec7t, th\u1eddi gian l\u00e0m vi\u1ec7c c\u1ee7a c\u1ea7n c\u1ea9u g\u1ea7u ngo\u1ea1m t\u0103ng, d\u1ea7u d\u1ec5 b\u1ecb l\u1eabn t\u1ea1p ch\u1ea5t v\u00e0 b\u1ee5i b\u1ea9n. D\u1ea7u th\u1ee7y l\u1ef1c b\u1ecb \u00f4 nhi\u1ec5m s\u1ebd \u0111i v\u00e0o khe h\u1edf ti\u1ebfp x\u00fac c\u1ee7a b\u01a1m, \u0111\u1ed9ng c\u01a1 v\u00e0 van, g\u00e2y tr\u1ea7y x\u01b0\u1edbc v\u00e0 ph\u00e1 h\u1ee7y \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 nh\u00e1m c\u1ee7a b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, khi\u1ebfn r\u00f2 r\u1ec9 t\u0103ng l\u00ean v\u00e0 nhi\u1ec7t \u0111\u1ed9 d\u1ea7u t\u0103ng l\u00ean.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Th\u01b0\u1eddng xuy\u00ean \u0111\u1ea1i tu g\u1ea7u, thay d\u1ea7u th\u1ee7y l\u1ef1c m\u1edbi k\u1ecbp th\u1eddi v\u00e0 gi\u1eef d\u1ea7u trong xi lanh th\u1ee7y l\u1ef1c s\u1ea1ch s\u1ebd.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Hi\u1ec3u \u0111\u01b0\u1ee3c nh\u1eefng h\u1ecfng h\u00f3c th\u01b0\u1eddng g\u1eb7p c\u1ee7a 4 lo\u1ea1i k\u1eb9p th\u1ee7y l\u1ef1c n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n ph\u1ea3n \u1ee9ng nhanh khi c\u00f3 s\u1ef1 c\u1ed1 x\u1ea3y ra m\u00e0 quan tr\u1ecdng h\u01a1n l\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh. Th\u00f4ng qua vi\u1ec7c b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean v\u00e0 gi\u1ea3i quy\u1ebft k\u1ecbp th\u1eddi nh\u1eefng s\u1ef1 c\u1ed1 n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb, gi\u1ea3m th\u1eddi gian ch\u1ebft v\u00e0 t\u0103ng n\u0103ng su\u1ea5t.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a c\u1ea7n c\u1ea9u g\u1ea7u ngo\u1ea1m ho\u1eb7c c\u1ea7n d\u1ecbch v\u1ee5 s\u1eeda ch\u1eefa v\u00e0 b\u1ea3o tr\u00ec chuy\u00ean nghi\u1ec7p, vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i ngay. H\u00e3y \u0111\u1ec3 ch\u00fang t\u00f4i gi\u00fap b\u1ea1n gi\u1eef cho c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft c\u1ee7a b\u1ea1n \u1edf t\u00ecnh tr\u1ea1ng t\u1ed1t nh\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng kinh doanh c\u1ee7a b\u1ea1n di\u1ec5n ra su\u00f4n s\u1ebb!<\/p>","protected":false},"excerpt":{"rendered":"Vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng g\u1ea7u ngo\u1ea1m th\u1ee7y l\u1ef1c cho c\u1ea7n c\u1ea9u l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb. G\u1ea7u ngo\u1ea1m th\u1ee7y l\u1ef1c th\u01b0\u1eddng d\u1ec5 g\u1eb7p ph\u1ea3i nhi\u1ec1u s\u1ef1 c\u1ed1 kh\u00e1c nhau khi s\u1eed d\u1ee5ng trong c\u00f4ng vi\u1ec7c.","protected":false},"featured_media":9531,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[14,166,168,42],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/8921"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":18,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/8921\/revisions"}],"predecessor-version":[{"id":9532,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/8921\/revisions\/9532"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/media\/9531"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/media?parent=8921"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/posts_category?post=8921"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=8921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}