{"id":8903,"date":"2024-09-07T09:55:09","date_gmt":"2024-09-07T09:55:09","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=8903"},"modified":"2024-09-27T03:27:05","modified_gmt":"2024-09-27T03:27:05","slug":"top-8-electric-chain-hoist-failures-and-effective-repair-solutions","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/vi\/posts\/electric-chain-hoist-failures-and-repair\/","title":{"rendered":"8 l\u1ed7i th\u01b0\u1eddng g\u1eb7p nh\u1ea5t c\u1ee7a t\u1eddi x\u00edch \u0111i\u1ec7n v\u00e0 gi\u1ea3i ph\u00e1p s\u1eeda ch\u1eefa hi\u1ec7u qu\u1ea3"},"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=\"#electric-chain-hoist-failure-1-hoist-operation-unresponsive\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 1: Ho\u1ea1t \u0111\u1ed9ng t\u1eddi kh\u00f4ng ph\u1ea3n h\u1ed3i<\/a><\/li><li><a href=\"#electric-chain-hoist-failure-2-hoist-moving-in-the-wrong-direction\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 2: T\u1eddi di chuy\u1ec3n sai h\u01b0\u1edbng<\/a><\/li><li><a href=\"#electric-chain-hoist-failure-3-motor-or-brake-overheating\">S\u1ef1 c\u1ed1 3 c\u1ee7a t\u1eddi x\u00edch \u0111i\u1ec7n: \u0110\u1ed9ng c\u01a1 ho\u1eb7c phanh qu\u00e1 nhi\u1ec7t<\/a><\/li><li><a href=\"#electric-chain-hoist-failure-4-hoist-can-lift-but-cannot-lower\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 4: T\u1eddi c\u00f3 th\u1ec3 n\u00e2ng nh\u01b0ng kh\u00f4ng th\u1ec3 h\u1ea1<\/a><\/li><li><a href=\"#electric-chain-hoist-failure-5-hoist-can-lower-but-cannot-lift\">S\u1ef1 c\u1ed1 th\u1ee9 5 c\u1ee7a t\u1eddi x\u00edch \u0111i\u1ec7n: T\u1eddi c\u00f3 th\u1ec3 h\u1ea1 xu\u1ed1ng nh\u01b0ng kh\u00f4ng th\u1ec3 n\u00e2ng l\u00ean<\/a><\/li><li><a href=\"#electric-chain-hoist-failure-6-unable-to-lift-rated-load-or-achieve-normal-lifting-speed\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 6: Kh\u00f4ng th\u1ec3 n\u00e2ng t\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c ho\u1eb7c \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 n\u00e2ng b\u00ecnh th\u01b0\u1eddng<\/a><\/li><li><a href=\"#electric-chain-hoist-failure-7-hoist-drifts-after-stopping\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 7: T\u1eddi b\u1ecb tr\u00f4i sau khi d\u1eebng<\/a><\/li><li><a href=\"#electric-chain-hoist-failure-8-periodic-control-failure-of-the-hoist\">S\u1ef1 c\u1ed1 Pal\u0103ng x\u00edch \u0111i\u1ec7n 8: S\u1ef1 c\u1ed1 ki\u1ec3m so\u00e1t \u0111\u1ecbnh k\u1ef3 c\u1ee7a Pal\u0103ng<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>Pal\u0103ng x\u00edch \u0111i\u1ec7n l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, cung c\u1ea5p kh\u1ea3 n\u0103ng n\u00e2ng v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u \u0111\u00e1ng tin c\u1eady. Tuy nhi\u00ean, gi\u1ed1ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb c\u01a1 kh\u00ed, ch\u00fang c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 l\u00e0m gi\u00e1n \u0111o\u1ea1n ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang. Trong h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y, ch\u00fang t\u00f4i s\u1ebd \u0111i s\u00e2u v\u00e0o 8 s\u1ef1 c\u1ed1 s\u1eeda ch\u1eefa pal\u0103ng x\u00edch \u0111i\u1ec7n ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 cung c\u1ea5p cho b\u1ea1n c\u00e1c gi\u1ea3i ph\u00e1p th\u1ef1c t\u1ebf \u0111\u1ec3 gi\u1ea3i quy\u1ebft ch\u00fang. Cho d\u00f9 b\u1ea1n \u0111ang g\u1eb7p ph\u1ea3i s\u1ef1 c\u1ed1 \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng ph\u1ea3n h\u1ed3i, \u0111\u1ed9ng c\u01a1 qu\u00e1 n\u00f3ng ho\u1eb7c l\u1ed7i chuy\u1ec3n \u0111\u1ed9ng theo h\u01b0\u1edbng, h\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 s\u1eeda ch\u1eefa <a href=\"https:\/\/www.hndfcrane.com\/vi\/electric-chain-hoists\/\">t\u1eddi x\u00edch \u0111i\u1ec7n<\/a> m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/Electric-chain-hoist-failure-and-repair-1-scaled.jpg\" alt=\"\" class=\"wp-image-8956\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/Electric-chain-hoist-failure-and-repair-1-scaled.jpg 2560w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/Electric-chain-hoist-failure-and-repair-1-1536x1024.jpg 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/08\/Electric-chain-hoist-failure-and-repair-1-2048x1365.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"electric-chain-hoist-failure-1-hoist-operation-unresponsive\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 1: Ho\u1ea1t \u0111\u1ed9ng t\u1eddi kh\u00f4ng ph\u1ea3n h\u1ed3i<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>G\u00e2y ra<\/th><th>S\u1eeda<\/th><\/tr><\/thead><tbody><tr><td>Kh\u00f4ng c\u00f3 \u0111i\u1ec7n<\/td><td>Ki\u1ec3m tra c\u1ea7u dao \u0111i\u1ec7n ba pha, c\u00f4ng t\u1eafc, c\u1ea7u ch\u00ec v\u00e0 c\u00e1p k\u1ebft n\u1ed1i.<\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 ngu\u1ed3n kh\u00f4ng ch\u00ednh x\u00e1c<\/td><td>Ki\u1ec3m tra xem \u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 ngu\u1ed3n \u0111i\u1ec7n t\u1ea1i ch\u1ed7 c\u00f3 kh\u1edbp v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt tr\u00ean bi\u1ec3n t\u00ean t\u1eddi kh\u00f4ng.<\/td><\/tr><tr><td>Qu\u00e1 t\u1ea3i<\/td><td>Gi\u1ea3m t\u1ea3i xu\u1ed1ng m\u1ee9c t\u1ea3i \u0111\u1ecbnh m\u1ee9c c\u1ee7a t\u1eddi.<\/td><\/tr><tr><td>D\u00e2y \u0111i\u1ec7n b\u00ean trong kh\u00f4ng \u0111\u00fang, l\u1ecfng l\u1ebbo ho\u1eb7c b\u1ecb h\u1ecfng<\/td><td>Ki\u1ec3m tra h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n theo s\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n v\u00e0 thay th\u1ebf b\u1ea5t k\u1ef3 d\u00e2y c\u00e1p n\u00e0o b\u1ecb h\u1ecfng.<\/td><\/tr><tr><td>\u0110\u1ed9ng c\u01a1 n\u00e2ng qu\u00e1 t\u1ea3i ho\u1eb7c c\u00f4ng t\u1eafc b\u1ea3o v\u1ec7 nhi\u1ec7t \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t<\/td><td>Tham kh\u1ea3o ph\u1ea7n \u201c\u0110\u1ed9ng c\u01a1 ho\u1eb7c phanh qu\u00e1 nhi\u1ec7t\u201d trong b\u1ea3ng n\u00e0y.<\/td><\/tr><tr><td rowspan=\"2\">Phanh kh\u00f4ng nh\u1ea3<\/td><td>Ki\u1ec3m tra cu\u1ed9n d\u00e2y phanh v\u00e0 thay phanh n\u1ebfu c\u1ea7n thi\u1ebft.<\/td><\/tr><tr><td>Ki\u1ec3m tra \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra c\u1ee7a b\u1ed9 ch\u1ec9nh l\u01b0u v\u00e0 thay th\u1ebf b\u1ed9 ch\u1ec9nh l\u01b0u n\u1ebfu c\u1ea7n thi\u1ebft.<\/td><\/tr><tr><td>S\u1ef1 c\u1ed1 ti\u1ebfp \u0111i\u1ec3m<\/td><td>Ki\u1ec3m tra b\u1ed9 ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec1u khi\u1ec3n t\u1eddi v\u00e0 c\u00e1p k\u1ebft n\u1ed1i c\u1ee7a n\u00f3. Thay th\u1ebf b\u1ed9 ti\u1ebfp \u0111i\u1ec3m n\u1ebfu c\u1ea7n thi\u1ebft.<\/td><\/tr><tr><td>C\u00f4ng t\u1eafc d\u1eebng kh\u1ea9n c\u1ea5p b\u1ecb k\u00edch ho\u1ea1t ho\u1eb7c n\u00fat \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n b\u1ecb h\u1ecfng<\/td><td>M\u1edf kh\u00f3a c\u00f4ng t\u1eafc d\u1eebng kh\u1ea9n c\u1ea5p b\u1eb1ng c\u00e1ch xoay theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3. Ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c n\u00fat v\u00e0 \u0111i\u1ec3m ti\u1ebfp x\u00fac \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n v\u00e0 thay th\u1ebf b\u1ea5t k\u1ef3 th\u00e0nh ph\u1ea7n n\u00e0o b\u1ecb l\u1ed7i n\u1ebfu c\u1ea7n.<\/td><\/tr><tr><td>S\u1ef1 c\u1ed1 m\u00e1y bi\u1ebfn \u00e1p<\/td><td>Ki\u1ec3m tra m\u00e1y bi\u1ebfn \u00e1p xem c\u00f3 d\u1ea5u hi\u1ec7u qu\u00e1 nhi\u1ec7t ho\u1eb7c h\u01b0 h\u1ecfng do ch\u00e1y kh\u00f4ng v\u00e0 ki\u1ec3m tra cu\u1ed9n d\u00e2y. Thay th\u1ebf linh ki\u1ec7n b\u1ecb l\u1ed7i n\u1ebfu c\u1ea7n.<\/td><\/tr><tr><td>\u0110\u1ed9ng c\u01a1 b\u1ecb ch\u00e1y<\/td><td>Thay th\u1ebf rotor, stato ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn b\u1ecb h\u1ecfng kh\u00e1c c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"electric-chain-hoist-failure-2-hoist-moving-in-the-wrong-direction\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 2: T\u1eddi di chuy\u1ec3n sai h\u01b0\u1edbng<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>G\u00e2y ra<\/th><th>S\u1eeda<\/th><\/tr><\/thead><tbody><tr><td>Tr\u00ecnh t\u1ef1 pha ngu\u1ed3n kh\u00f4ng \u0111\u00fang<\/td><td>Ki\u1ec3m tra tr\u00ecnh t\u1ef1 pha \u0111i\u1ec7n v\u00e0 ho\u00e1n \u0111\u1ed5i hai trong ba \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n pha.<\/td><\/tr><tr><td>D\u00e2y \u0111i\u1ec7n kh\u00f4ng \u0111\u00fang<\/td><td>Ki\u1ec3m tra to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n theo s\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"electric-chain-hoist-failure-3-motor-or-brake-overheating\">S\u1ef1 c\u1ed1 3 c\u1ee7a t\u1eddi x\u00edch \u0111i\u1ec7n: \u0110\u1ed9ng c\u01a1 ho\u1eb7c phanh qu\u00e1 nhi\u1ec7t<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>G\u00e2y ra<\/th><th>S\u1eeda<\/th><\/tr><\/thead><tbody><tr><td>\u0110i\u1ec7n \u00e1p ho\u1eb7c t\u1ea7n s\u1ed1 kh\u00f4ng ch\u00ednh x\u00e1c<\/td><td>Ki\u1ec3m tra xem \u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 ngu\u1ed3n \u0111i\u1ec7n t\u1ea1i ch\u1ed7 c\u00f3 kh\u1edbp v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt tr\u00ean bi\u1ec3n t\u00ean t\u1eddi kh\u00f4ng.<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i qu\u00e1 cao<\/td><td>N\u1ebfu nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 40\u2103, h\u00e3y gi\u1ea3m t\u1ea7n su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1eddi. Th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea3i thi\u1ec7n th\u00f4ng gi\u00f3 ho\u1eb7c di chuy\u1ec3n t\u1eddi ra xa ngu\u1ed3n nhi\u1ec7t.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"electric-chain-hoist-failure-4-hoist-can-lift-but-cannot-lower\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 4: T\u1eddi c\u00f3 th\u1ec3 n\u00e2ng nh\u01b0ng kh\u00f4ng th\u1ec3 h\u1ea1<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>G\u00e2y ra<\/th><th>S\u1eeda<\/th><\/tr><\/thead><tbody><tr><td>M\u1ea1ch \u0111i\u1ec7n h\u1ea1 xu\u1ed1ng b\u1ecb h\u1edf<\/td><td>Ki\u1ec3m tra \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng d\u00e2y m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n h\u1ea1 th\u1ea5p v\u00e0 ki\u1ec3m tra c\u00f4ng t\u1eafc gi\u1edbi h\u1ea1n \u0111i\u1ec7n t\u1eed \u1edf ph\u00eda h\u1ea1 th\u1ea5p.<\/td><\/tr><tr><td>Ti\u1ebfp x\u00fac d\u00e2y \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n k\u00e9m<\/td><td>Ki\u1ec3m tra \u0111\u1ed9 tin c\u1eady c\u1ee7a l\u00f5i d\u00e2y \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n. N\u1ebfu l\u00f5i d\u00e2y b\u1ecb \u0111\u1ee9t, h\u00e3y thay th\u1ebf to\u00e0n b\u1ed9 d\u00e2y \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n.<\/td><\/tr><tr><td>S\u1ef1 c\u1ed1 ti\u1ebfp \u0111i\u1ec3m AC<\/td><td>Ki\u1ec3m tra cu\u1ed9n d\u00e2y ti\u1ebfp \u0111i\u1ec3m v\u00e0 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n. Thay th\u1ebf ti\u1ebfp \u0111i\u1ec3m n\u1ebfu c\u1ea7n thi\u1ebft.<\/td><\/tr><tr><td>N\u00fat \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n ho\u1eb7c ti\u1ebfp \u0111i\u1ec3m b\u1ecb tr\u1ee5c tr\u1eb7c<\/td><td>Ki\u1ec3m tra xem n\u00fat \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n c\u00f3 b\u1ecb k\u1eb9t kh\u00f4ng v\u00e0 c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u00f3 b\u1ecb l\u1ed7i kh\u00f4ng. Thay th\u1ebf ch\u00fang n\u1ebfu c\u1ea7n.<\/td><\/tr><tr><td>K\u1eb9t x\u00edch<\/td><td>Ki\u1ec3m tra xem x\u00edch c\u00f3 th\u1ec3 v\u00e0o h\u1ed9p x\u00edch d\u1ec5 d\u00e0ng kh\u00f4ng v\u00e0 ki\u1ec3m tra c\u00e1c m\u1eaft x\u00edch xem c\u00f3 v\u1eadt l\u1ea1 n\u00e0o kh\u00f4ng. N\u1ebfu ph\u00e1t hi\u1ec7n th\u1ea5y b\u1ea5t k\u1ef3 h\u01b0 h\u1ecfng n\u00e0o tr\u00ean x\u00edch ho\u1eb7c thanh d\u1eabn x\u00edch, h\u00e3y thay th\u1ebf ngay.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"electric-chain-hoist-failure-5-hoist-can-lower-but-cannot-lift\">S\u1ef1 c\u1ed1 th\u1ee9 5 c\u1ee7a t\u1eddi x\u00edch \u0111i\u1ec7n: T\u1eddi c\u00f3 th\u1ec3 h\u1ea1 xu\u1ed1ng nh\u01b0ng kh\u00f4ng th\u1ec3 n\u00e2ng l\u00ean<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>G\u00e2y ra<\/th><th>S\u1eeda<\/th><\/tr><\/thead><tbody><tr><td>Qu\u00e1 t\u1ea3i t\u1eddi<\/td><td>Gi\u1ea3m t\u1ea3i xu\u1ed1ng m\u1ee9c t\u1ea3i \u0111\u1ecbnh m\u1ee9c c\u1ee7a t\u1eddi.<\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p th\u1ea5p<\/td><td>Ki\u1ec3m tra xem \u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 ngu\u1ed3n \u0111i\u1ec7n t\u1ea1i ch\u1ed7 c\u00f3 kh\u1edbp v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt tr\u00ean bi\u1ec3n t\u00ean t\u1eddi kh\u00f4ng. \u0110o \u0111i\u1ec7n \u00e1p t\u1ea1i kh\u1ed1i \u0111\u1ea7u cu\u1ed1i ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o t\u1eddi.<\/td><\/tr><tr><td>M\u1ea1ch \u0111i\u1ec7n n\u00e2ng h\u1ea1 b\u1ecb h\u1edf<\/td><td>Ki\u1ec3m tra \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng d\u00e2y m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n n\u00e2ng v\u00e0 ki\u1ec3m tra c\u00f4ng t\u1eafc gi\u1edbi h\u1ea1n \u0111i\u1ec7n t\u1eed \u1edf ph\u00eda n\u00e2ng.<\/td><\/tr><tr><td>Ti\u1ebfp x\u00fac d\u00e2y \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n k\u00e9m<\/td><td>Ki\u1ec3m tra \u0111\u1ed9 tin c\u1eady c\u1ee7a l\u00f5i d\u00e2y \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n. N\u1ebfu l\u00f5i d\u00e2y b\u1ecb \u0111\u1ee9t, h\u00e3y thay th\u1ebf to\u00e0n b\u1ed9 d\u00e2y \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n.<\/td><\/tr><tr><td>S\u1ef1 c\u1ed1 ti\u1ebfp \u0111i\u1ec3m AC<\/td><td>Ki\u1ec3m tra cu\u1ed9n d\u00e2y ti\u1ebfp \u0111i\u1ec3m v\u00e0 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n. Thay th\u1ebf ti\u1ebfp \u0111i\u1ec3m n\u1ebfu c\u1ea7n thi\u1ebft.<\/td><\/tr><tr><td>S\u1ef1 c\u1ed1 ly h\u1ee3p ma s\u00e1t<\/td><td>Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t ly h\u1ee3p ho\u1eb7c thay th\u1ebf.<\/td><\/tr><tr><td>K\u1eb9t x\u00edch<\/td><td>Ki\u1ec3m tra xem x\u00edch c\u00f3 th\u1ec3 v\u00e0o h\u1ed9p x\u00edch d\u1ec5 d\u00e0ng kh\u00f4ng v\u00e0 ki\u1ec3m tra c\u00e1c m\u1eaft x\u00edch xem c\u00f3 v\u1eadt l\u1ea1 n\u00e0o kh\u00f4ng. N\u1ebfu ph\u00e1t hi\u1ec7n th\u1ea5y b\u1ea5t k\u1ef3 h\u01b0 h\u1ecfng n\u00e0o tr\u00ean x\u00edch ho\u1eb7c thanh d\u1eabn x\u00edch, h\u00e3y thay th\u1ebf ngay.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"electric-chain-hoist-failure-6-unable-to-lift-rated-load-or-achieve-normal-lifting-speed\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 6: Kh\u00f4ng th\u1ec3 n\u00e2ng t\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c ho\u1eb7c \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 n\u00e2ng b\u00ecnh th\u01b0\u1eddng<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>G\u00e2y ra<\/th><th>S\u1eeda<\/th><\/tr><\/thead><tbody><tr><td>Qu\u00e1 t\u1ea3i t\u1eddi<\/td><td>Gi\u1ea3m t\u1ea3i xu\u1ed1ng m\u1ee9c t\u1ea3i \u0111\u1ecbnh m\u1ee9c c\u1ee7a t\u1eddi.<\/td><\/tr><tr><td>\u0110i\u1ec7n \u00e1p th\u1ea5p<\/td><td>Ki\u1ec3m tra xem \u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 ngu\u1ed3n \u0111i\u1ec7n t\u1ea1i ch\u1ed7 c\u00f3 kh\u1edbp v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt tr\u00ean bi\u1ec3n t\u00ean t\u1eddi kh\u00f4ng. \u0110o \u0111i\u1ec7n \u00e1p t\u1ea1i kh\u1ed1i \u0111\u1ea7u cu\u1ed1i ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o t\u1eddi.<\/td><\/tr><tr><td>S\u1ef1 c\u1ed1 ly h\u1ee3p ma s\u00e1t<\/td><td>Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t ly h\u1ee3p ho\u1eb7c thay th\u1ebf.<\/td><\/tr><tr><td>K\u1eb9t x\u00edch<\/td><td>Ki\u1ec3m tra xem x\u00edch c\u00f3 th\u1ec3 v\u00e0o h\u1ed9p x\u00edch d\u1ec5 d\u00e0ng kh\u00f4ng v\u00e0 ki\u1ec3m tra c\u00e1c m\u1eaft x\u00edch xem c\u00f3 v\u1eadt l\u1ea1 n\u00e0o kh\u00f4ng. N\u1ebfu ph\u00e1t hi\u1ec7n th\u1ea5y b\u1ea5t k\u1ef3 h\u01b0 h\u1ecfng n\u00e0o tr\u00ean x\u00edch ho\u1eb7c thanh d\u1eabn x\u00edch, h\u00e3y thay th\u1ebf ngay.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"electric-chain-hoist-failure-7-hoist-drifts-after-stopping\">S\u1ef1 c\u1ed1 t\u1eddi x\u00edch \u0111i\u1ec7n 7: T\u1eddi b\u1ecb tr\u00f4i sau khi d\u1eebng<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>G\u00e2y ra<\/th><th>S\u1eeda<\/th><\/tr><\/thead><tbody><tr><td>Phanh kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/td><td>Ki\u1ec3m tra t\u00ecnh tr\u1ea1ng phanh v\u00e0 gi\u00e1 tr\u1ecb \u201ckho\u1ea3ng h\u1edf\u201d c\u1ee7a phanh. Thay th\u1ebf n\u1ebfu c\u1ea7n.<\/td><\/tr><tr><td>Qu\u00e1 t\u1ea3i t\u1eddi<\/td><td>Gi\u1ea3m t\u1ea3i xu\u1ed1ng m\u1ee9c t\u1ea3i \u0111\u1ecbnh m\u1ee9c c\u1ee7a t\u1eddi.<\/td><\/tr><tr><td>V\u01b0\u1ee3t qu\u00e1 chu k\u1ef3 nhi\u1ec7m v\u1ee5<\/td><td>Gi\u1ea3m chu k\u1ef3 l\u00e0m vi\u1ec7c c\u1ee7a t\u1eddi n\u00e2ng.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"electric-chain-hoist-failure-8-periodic-control-failure-of-the-hoist\">S\u1ef1 c\u1ed1 Pal\u0103ng x\u00edch \u0111i\u1ec7n 8: S\u1ef1 c\u1ed1 ki\u1ec3m so\u00e1t \u0111\u1ecbnh k\u1ef3 c\u1ee7a Pal\u0103ng<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>G\u00e2y ra<\/th><th>S\u1eeda<\/th><\/tr><\/thead><tbody><tr><td>Ti\u1ebfp x\u00fac c\u1ee7a contactor k\u00e9m<\/td><td>Ki\u1ec3m tra xem c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u1ee7a contactor c\u00f3 b\u1ecb ch\u00e1y kh\u00f4ng v\u00e0 thay th\u1ebf n\u1ebfu c\u1ea7n thi\u1ebft.<\/td><\/tr><tr><td>Ti\u1ebfp x\u00fac c\u00e1p k\u00e9m<\/td><td>Ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c d\u00e2y c\u00e1p v\u00e0 kh\u1ed1i \u0111\u1ea7u cu\u1ed1i v\u00e0 thay th\u1ebf n\u1ebfu c\u1ea7n thi\u1ebft.<\/td><\/tr><tr><td>N\u00fat \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n ho\u1eb7c ti\u1ebfp x\u00fac ti\u1ebfp x\u00fac k\u00e9m<\/td><td>Ki\u1ec3m tra xem n\u00fat \u0111i\u1ec1u khi\u1ec3n m\u1eb7t d\u00e2y chuy\u1ec1n c\u00f3 b\u1ecb k\u1eb9t kh\u00f4ng v\u00e0 c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u00f3 b\u1ecb l\u1ed7i kh\u00f4ng. Thay th\u1ebf ch\u00fang n\u1ebfu c\u1ea7n.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ghi ch\u00fa:<\/p>\n\n\n\n<ul>\n<li>Vi\u1ec7c ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi nh\u1eefng ng\u01b0\u1eddi chuy\u00ean nghi\u1ec7p \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o.<\/li>\n\n\n\n<li>C\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec7n c\u1ee7a t\u1eddi c\u00f3 k\u1ebft n\u1ed1i \u0111i\u1ec7n \u00e1p cao; h\u00e3y th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1ec3 tr\u00e1nh b\u1ecb \u0111i\u1ec7n gi\u1eadt, c\u00f3 th\u1ec3 g\u00e2y th\u01b0\u01a1ng t\u00edch nghi\u00eam tr\u1ecdng ho\u1eb7c t\u1eed vong.<\/li>\n\n\n\n<li>Lu\u00f4n ng\u1eaft ngu\u1ed3n \u0111i\u1ec7n tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa.<\/li>\n\n\n\n<li>\u0110\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng khu v\u1ef1c b\u1eb1ng bi\u1ec3n b\u00e1o \u201c\u0110ang ki\u1ec3m tra\u201d.<\/li>\n\n\n\n<li>Kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m tra ho\u1eb7c s\u1eeda ch\u1eefa khi t\u1eddi \u0111ang c\u00f3 t\u1ea3i.<\/li>\n<\/ul>\n\n\n\n<p>B\u1eb1ng c\u00e1ch hi\u1ec3u v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1eeda ch\u1eefa t\u1eddi x\u00edch \u0111i\u1ec7n ph\u1ed5 bi\u1ebfn n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru, hi\u1ec7u qu\u1ea3. B\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean v\u00e0 s\u1eeda ch\u1eefa k\u1ecbp th\u1eddi kh\u00f4ng ch\u1ec9 ng\u0103n ng\u1eeba th\u1eddi gian ch\u1ebft t\u1ed1n k\u00e9m m\u00e0 c\u00f2n t\u0103ng c\u01b0\u1eddng s\u1ef1 an to\u00e0n t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n. L\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n c\u1ea9u v\u00e0 t\u1eddi \u0111i\u1ec7n h\u00e0ng \u0111\u1ea7u, Dafang Crane cam k\u1ebft cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng \u0111\u1ea7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t cao. Kh\u00e1m ph\u00e1 ph\u1ea1m vi c\u00e1c gi\u1ea3i ph\u00e1p n\u00e2ng ti\u00ean ti\u1ebfn c\u1ee7a ch\u00fang t\u00f4i tr\u00ean trang web c\u1ee7a ch\u00fang t\u00f4i v\u00e0 kh\u00e1m ph\u00e1 c\u00e1ch t\u1eddi v\u00e0 c\u1ea7n c\u1ea9u c\u1ea3i ti\u1ebfn c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u x\u1eed l\u00fd v\u1eadt li\u1ec7u c\u1ee7a b\u1ea1n v\u1edbi \u0111\u1ed9 tin c\u1eady v\u00f4 song.<\/p>","protected":false},"excerpt":{"rendered":"Pa l\u0103ng x\u00edch \u0111i\u1ec7n l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, mang l\u1ea1i kh\u1ea3 n\u0103ng n\u00e2ng h\u1ea1 v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u \u0111\u00e1ng tin c\u1eady. Tuy nhi\u00ean, gi\u1ed1ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb c\u01a1 kh\u00ed kh\u00e1c, pa l\u0103ng x\u00edch \u0111i\u1ec7n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u00e1c s\u1ef1 c\u1ed1 l\u00e0m gi\u00e1n \u0111o\u1ea1n ch\u1ee9c n\u0103ng. Trong h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y, ch\u00fang t\u00f4i s\u1ebd \u0111i s\u00e2u v\u00e0o 8 s\u1ef1 c\u1ed1 s\u1eeda ch\u1eefa pa l\u0103ng x\u00edch \u0111i\u1ec7n ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 cung c\u1ea5p cho b\u1ea1n c\u00e1c gi\u1ea3i ph\u00e1p thi\u1ebft th\u1ef1c \u0111\u1ec3 gi\u1ea3i quy\u1ebft ch\u00fang. 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