{"id":325,"date":"2017-10-10T09:16:04","date_gmt":"2017-10-10T09:16:04","guid":{"rendered":"https:\/\/www.dgcranewheel.com\/?post_type=posts&p=325"},"modified":"2018-05-26T08:00:26","modified_gmt":"2018-05-26T08:00:26","slug":"the-causes-excessive-friction-and-presents-solutions-to-the-problem","status":"publish","type":"posts","link":"https:\/\/www.dgcranewheel.com\/vi\/causes-excessive-friction-presents-solutions-problem\/","title":{"rendered":"Nguy\u00ean nh\u00e2n g\u00e2y ra ma s\u00e1t qu\u00e1 m\u1ee9c v\u00e0 tr\u00ecnh b\u00e0y gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1"},"content":{"rendered":"
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Ma s\u00e1t qu\u00e1 m\u1ee9c<\/p>\r\n<\/div>\r\n

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Rail-Gnawing<\/p>\r\n<\/div>\r\n

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\u0110i\u1ec1u ki\u1ec7n ch\u1ea1y<\/p>\r\n<\/div>\r\n<\/div>\r\n

Tr\u1ea1ng th\u00e1i ch\u1ea1y t\u1ed1i \u01b0u c\u1ee7a c\u1ea7n tr\u1ee5c l\u00e0 m\u1eb7t \u0111\u01b0\u1eddng c\u00f3 khe h\u1edf kho\u1ea3ng 20 mm v\u1edbi m\u1eb7t b\u00edch b\u00e1nh xe. M\u1eb7t b\u00edch c\u1ee7a b\u00e1nh xe kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi r\u00e3nh v\u00e0 kh\u00f4ng c\u00f3 l\u1ef1c c\u1ea3n b\u1ed5 sung khi b\u00e1nh xe \u0111ang ch\u1ea1y. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, \u0111\u1ed9 m\u00f2n c\u1ee7a b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng ray l\u00e0 t\u1ed1i thi\u1ec3u, tuy nhi\u00ean, trong th\u1ef1c t\u1ebf, do l\u1ed7i s\u1ea3n xu\u1ea5t v\u00e0 l\u1eafp \u0111\u1eb7t kh\u00f4ng ti\u00eau chu\u1ea9n ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ma s\u00e1t l\u1edbn gi\u1eefa b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng ray.<\/p>\r\n

Nguy\u00ean nh\u00e2n ma s\u00e1t ray c\u1ea7u tr\u1ee5c r\u1ea5t ph\u1ee9c t\u1ea1p v\u00e0 th\u01b0\u1eddng do nhi\u1ec1u nguy\u00ean nh\u00e2n g\u00e2y ra, v\u00ec v\u1eady c\u1ea7n ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n t\u1eebng b\u01b0\u1edbc v\u00e0 gi\u1ea3i quy\u1ebft t\u1eebng v\u1ea5n \u0111\u1ec1 m\u1ed9t.<\/p>\r\n

D\u1ea7m \u0111\u01b0\u1eddng s\u1eaft kh\u00f4ng \u0111\u1ee7 ti\u00eau chu\u1ea9n<\/h4>\r\n

\u0110\u01b0\u1eddng ray c\u1ee7a c\u1ea7u tr\u1ee5c \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean d\u1ea7m ray, th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh d\u1ea7m ray th\u00e9p v\u00e0 d\u1ea7m ray b\u00ea t\u00f4ng. Thanh ray th\u00e9p \u0111\u01b0\u1ee3c gia c\u00f4ng t\u1ea1i x\u01b0\u1edfng s\u1ea3n xu\u1ea5t v\u00e0 v\u1eadn chuy\u1ec3n \u0111\u1ebfn x\u01b0\u1edfng c\u1ea9u \u0111\u1ec3 l\u1eafp \u0111\u1eb7t.<\/p>\r\n

D\u1ea7m b\u00ea t\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ed5 t\u1ea1i ch\u1ed7 trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng nh\u00e0 x\u01b0\u1edfng c\u1ea7n tr\u1ee5c. Trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t ho\u1eb7c \u0111\u1ed5 d\u1ea7m ray \u0111\u1ee1, sai s\u00f3t trong qu\u00e1 tr\u00ecnh thi c\u00f4ng s\u1ebd g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ph\u1eb3ng v\u00e0 \u0111\u1ed9 c\u00e2n b\u1eb1ng c\u1ee7a d\u1ea7m ch\u1ecbu l\u1ef1c ray ngay t\u1eeb l\u1ea7n \u0111\u1ea7u ti\u00ean, do \u0111\u00f3, quy tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u1ea7n tu\u00e2n th\u1ee7 theo GB50205-2011 "Quy chu\u1ea9n nghi\u1ec7m thu ch\u1ea5t l\u01b0\u1ee3ng thi c\u00f4ng k\u1ebft c\u1ea5u th\u00e9p" ho\u1eb7c GB50204-2002 "Quy chu\u1ea9n nghi\u1ec7m thu ch\u1ea5t l\u01b0\u1ee3ng thi c\u00f4ng k\u1ebft c\u1ea5u b\u00ea t\u00f4ng" \u0111\u1ec3 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc d\u1ea7m ray \u0111\u1ee1. Do \u0111\u00f3, ray c\u1ea7n tr\u1ee5c ch\u1ec9 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t sau khi d\u1ea7m ray \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh, n\u1ebfu kh\u00f4ng s\u1ebd g\u00e2y ra ma s\u00e1t.<\/p>\r\n

C\u00e0i \u0111\u1eb7t b\u1ea3n nh\u1ea1c kh\u00f4ng \u0111\u1ee7 ti\u00eau chu\u1ea9n<\/h4>\r\n

Ch\u00eanh l\u1ec7ch gi\u1eefa hai \u0111\u01b0\u1eddng ray kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u, theo GB\/T 10183-2005 \u201cDung sai k\u1ebft c\u1ea5u c\u1ea7u tr\u1ee5c, c\u1ea7u tr\u1ee5c c\u1ed5ng tr\u1ee5c v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng ray\u201d, \u0111\u1ed9 l\u1ec7ch gi\u1edbi h\u1ea1n c\u1ee7a m\u1eb7t tr\u00ean \u0111\u01b0\u1eddng ray so v\u1edbi chi\u1ec1u cao l\u00fd thuy\u1ebft l\u00e0 \u00b110 mm. Khi ch\u00eanh l\u1ec7ch chi\u1ec1u cao gi\u1eefa hai \u0111\u01b0\u1eddng ray v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi n\u00e0y, c\u1ea7u tr\u1ee5c c\u00f3 th\u1ec3 b\u1ecb tr\u01b0\u1ee3t ngang trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh v\u00e0 g\u00e2y ra ma s\u00e1t v\u1edbi \u0111\u01b0\u1eddng ray. Tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh ch\u00eanh l\u1ec7ch chi\u1ec1u cao \u0111\u01b0\u1eddng ray \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 ma s\u00e1t v\u1edbi \u0111\u01b0\u1eddng ray.<\/p>\r\n

S\u1ef1 li\u00ean k\u1ebft c\u1ee7a vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng ray l\u00e0 k\u00e9m v\u00e0 \u0111\u1ed9 l\u1ec7ch t\u1ed1i \u0111a cho ph\u00e9p theo h\u01b0\u1edbng b\u00ean l\u00e0 \u00b1 10mm. N\u1ebfu \u0111\u1ed9 l\u1ec7ch b\u00ean qu\u00e1 l\u1edbn s\u1ebd l\u00e0m c\u1ea7u tr\u1ee5c l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng c\u1ee7a ray. Lo\u1ea1i h\u1ea1n ch\u1ebf n\u00e0y th\u01b0\u1eddng x\u1ea3y ra tr\u00ean \u0111o\u1ea1n \u0111\u01b0\u1eddng \u0111ua c\u1ee5 th\u1ec3 v\u1edbi \u0111\u1ed9 l\u1ec7ch b\u00ean qu\u00e1 l\u1edbn. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, qu\u1ef9 \u0111\u1ea1o c\u1ee7a ph\u1ea7n c\u00f3 \u0111\u1ed9 th\u1eb3ng v\u01b0\u1ee3t qu\u00e1 ch\u00eanh l\u1ec7ch ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh v\u00e0 s\u1eafp x\u1ebfp l\u1ea1i.<\/p>\r\n

Do \u0111\u1ed9 l\u1ec7ch c\u1ee7a k\u00edch th\u01b0\u1edbc nh\u1ecbp \u0111\u01b0\u1eddng ray qu\u00e1 l\u1edbn, tr\u1ea1ng th\u00e1i ch\u1ea1y l\u00fd t\u01b0\u1edfng c\u1ee7a c\u1ea7u tr\u1ee5c l\u00e0 \u0111\u01b0\u1eddng t\u00e2m b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng t\u00e2m b\u00e1nh xe c\u1ea9u \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp l\u1ea1i. C\u00f3 m\u1ed9t kho\u1ea3ng c\u00e1ch gi\u1eefa m\u1eb7t ray v\u00e0 m\u1eb7t b\u00edch b\u00e1nh xe. Ng\u01b0\u1eddi ta th\u01b0\u1eddng quy \u0111\u1ecbnh r\u1eb1ng khi nh\u1ecbp c\u1ee7a c\u1ea7u tr\u1ee5c s \u2264 10 m th\u00ec \u0111\u1ed9 l\u1ec7ch c\u1ee7a nh\u1ecbp c\u1ea7u tr\u1ee5c kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 \u00b1 3 mm, v\u00e0 khi nh\u1ecbp c\u1ee7a c\u1ea7u tr\u1ee5c s> 10 m th\u00ec \u0111\u1ed9 l\u1ec7ch c\u1ee7a nh\u1ecbp c\u1ea7u tr\u1ee5c kh\u00f4ng l\u1edbn h\u01a1n. h\u01a1n \u00b1 3 mm. \u0110\u1ed9 l\u1ec7ch nh\u1ecbp \u0111\u01b0\u1eddng ray kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 \u00b1 [30,25 \u00d7 (s -10)] mm; n\u1ebfu nh\u1ecbp \u0111\u01b0\u1eddng ray qu\u00e1 nh\u1ecf, v\u00e0nh b\u00e1nh xe b\u00ean trong s\u1ebd ph\u00e1 h\u1ee7y \u0111\u01b0\u1eddng ray, v\u00e0 n\u1ebfu nh\u1ecbp \u0111\u01b0\u1eddng ray qu\u00e1 l\u1edbn, v\u00e0nh b\u00e1nh xe b\u00ean ngo\u00e0i s\u1ebd ph\u00e1 h\u1ee7y \u0111\u01b0\u1eddng ray. Nh\u1ecbp \u0111\u01b0\u1eddng ch\u1ea1y c\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1ed5ng th\u1ec3 cho \u0111\u1ebfn khi \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\r\n

Ma s\u00e1t c\u1ee7a \u0111\u01b0\u1eddng ray do vi\u1ec7c n\u1edbi l\u1ecfng t\u1ea5m \u00e1p c\u1ed1 \u0111\u1ecbnh c\u1ee7a c\u1ea7n tr\u1ee5c \u0111ang s\u1eed d\u1ee5ng, c\u1ea7n t\u0103ng c\u01b0\u1eddng b\u1ea3o d\u01b0\u1ee1ng thi\u1ebft b\u1ecb h\u00e0ng ng\u00e0y, bu\u1ed9c ch\u1eb7t t\u1ea5m \u00e1p b\u1ecb l\u1ecfng v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1 ma s\u00e1t.<\/p>\r\n

S\u1ea3n xu\u1ea5t v\u00e0 l\u1eafp \u0111\u1eb7t b\u00e1nh xe kh\u00f4ng \u0111\u1ee7 ti\u00eau chu\u1ea9n<\/h4>\r\n

Hai nh\u00f3m b\u00e1nh xe d\u1eabn \u0111\u1ed9ng c\u1ee7a c\u1ea7n tr\u1ee5c b\u1ecb m\u00f2n do sai l\u1ec7ch \u0111\u01b0\u1eddng k\u00ednh qu\u00e1 m\u1ee9c, nguy\u00ean nh\u00e2n l\u00e0 do l\u1ed7i ch\u1ebf t\u1ea1o b\u00e1nh xe. V\u00ec \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a hai b\u00e1nh xe d\u1eabn \u0111\u1ed9ng kh\u00e1c nhau nh\u01b0ng t\u1ed1c \u0111\u1ed9 quay c\u1ee7a c\u00e1c b\u00e1nh xe nh\u01b0 nhau n\u00ean t\u1ed1c \u0111\u1ed9 ch\u1ea1y c\u1ee7a hai b\u00ean c\u1ea7u tr\u1ee5c l\u00e0 kh\u00e1c nhau. Sau khi ch\u1ea1y m\u1ed9t \u0111o\u1ea1n d\u00e0i, c\u1ea7n tr\u1ee5c v\u1eb7n v\u1eb9o ma s\u00e1t c\u1ee7a \u0111\u01b0\u1eddng ray. V\u1ea5n \u0111\u1ec1 n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch thay th\u1ebf c\u00e1c b\u00e1nh xe c\u1ee7a c\u1ea7n tr\u1ee5c.<\/p>\r\n

K\u00edch th\u01b0\u1edbc l\u1eafp \u0111\u1eb7t b\u00e1nh xe c\u1ea7u tr\u1ee5c sai l\u1ec7ch theo ph\u01b0\u01a1ng ngang qu\u00e1 l\u1edbn, do l\u1eafp \u0111\u1eb7t b\u00e1nh xe kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n trong s\u1ea3n xu\u1ea5t v\u00e0 l\u1eafp r\u00e1p c\u1ea7u tr\u1ee5c ho\u1eb7c k\u1ebft c\u1ea5u th\u00e9p c\u1ee7a c\u1ea7u tr\u1ee5c b\u1ecb bi\u1ebfn d\u1ea1ng trong th\u1eddi gian d\u00e0i, \u0111\u01b0\u1eddng t\u00e2m c\u1ee7a b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng ray s\u1ebd t\u1ea1o th\u00e0nh m\u1ed9t g\u00f3c trong H\u01b0\u1edbng ngang. Khi c\u00e1c b\u00e1nh xe ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec1u chuy\u1ec3n \u0111\u1ed9ng theo m\u1ed9t h\u01b0\u1edbng c\u0169ng nh\u01b0 g\u00f3c l\u1ec7ch qu\u00e1 l\u1edbn, s\u1ef1 l\u1ec7ch h\u01b0\u1edbng c\u1ee7a c\u1ea7u tr\u1ee5c s\u1ebd g\u00e2y ra ma s\u00e1t \u0111\u01b0\u1eddng ray. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, c\u1ea7n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i v\u1ecb tr\u00ed b\u00e1nh xe.<\/p>\r\n

K\u00edch th\u01b0\u1edbc l\u1eafp b\u00e1nh xe c\u1ea9u c\u1ee7a \u0111\u1ed9 l\u1ec7ch d\u1ecdc qu\u00e1 l\u1edbn, tr\u1ea1ng th\u00e1i l\u00fd t\u01b0\u1edfng c\u1ee7a \u0111\u01b0\u1eddng ray b\u00e1nh xe c\u1ea9u ti\u1ebfp x\u00fac v\u1edbi m\u1eb7t tr\u00ean c\u1ee7a ray b\u00e1nh xe g\u00f3c t\u00e2m th\u1eb3ng \u0111\u1ee9ng l\u00e0 90 \u0111\u1ed9, nh\u01b0ng khi l\u1eafp \u0111\u1eb7t b\u00e1nh xe kh\u00f4ng \u0111\u1ee7 ti\u00eau chu\u1ea9n th\u00ec t\u00e2m th\u1eb3ng \u0111\u1ee9ng c\u1ee7a b\u00e1nh xe \u0111\u01b0\u1eddng th\u1eb3ng s\u1ebd t\u1ea1o th\u00e0nh m\u1ed9t r\u00e3nh v\u1edbi b\u1ec1 m\u1eb7t tr\u00ean v\u00e0 g\u00f3c kh\u00f4ng b\u1eb1ng g\u00f3c 90 DEG. Khi \u0111\u1ed9 l\u1ec7ch qu\u00e1 l\u1edbn, di\u1ec7n t\u00edch c\u1ee7a b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac s\u1ebd nh\u1ecf h\u01a1n. S\u1ef1 ph\u00e2n b\u1ed1 t\u1ea3i tr\u1ecdng l\u00ean b\u00e1nh xe kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, \u00e1p l\u1ef1c c\u1ee5c b\u1ed9 qu\u00e1 l\u1edbn, \u0111\u00e1 m\u00e0i kh\u00f4ng \u0111\u1ec1u, th\u1eadm ch\u00ed g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1eb7t b\u1eadc v\u00e0 khi \u0111\u00f3 \u0111\u01b0\u1eddng ch\u1ea1y s\u1ebd b\u1ecb ph\u00e1 h\u1ee7y.<\/p>\r\n

B\u00e1nh xe d\u1eabn \u0111\u1ed9ng v\u00e0 b\u00e1nh xe d\u1eabn \u0111\u1ed9ng kh\u00f4ng n\u1eb1m tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng do vi\u1ec7c l\u1eafp \u0111\u1eb7t b\u00e1nh xe b\u00ean c\u1ea1nh kh\u00f4ng \u0111\u1ee7 ti\u00eau chu\u1ea9n. N\u1ebfu c\u1ea7n tr\u1ee5c s\u1eed d\u1ee5ng k\u1ebft c\u1ea5u b\u1ed1n b\u00e1nh, Khi \u0111\u00f3 b\u1ed1n nh\u00f3m b\u00e1nh xe s\u1ebd xu\u1ea5t hi\u1ec7n t\u00ecnh tr\u1ea1ng h\u00ecnh b\u00ecnh h\u00e0nh ho\u1eb7c h\u00ecnh b\u1eadc thang, c\u1ea3 hai \u0111\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ma s\u00e1t \u0111\u01b0\u1eddng ray. V\u00ec v\u1eady ch\u00fang ta c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i v\u1ecb tr\u00ed \u0111\u1eb7t b\u00e1nh xe \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 th\u1eb3ng c\u1ee7a b\u00e1nh tr\u01b0\u1edbc v\u00e0 b\u00e1nh sau c\u00f3 th\u1ec3 tr\u1edf l\u1ea1i ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\r\n

Tr\u01b0\u1edbc h\u1ebft, n\u00f3 s\u1ebd l\u00e0m t\u0103ng ma s\u00e1t va ch\u1ea1m gi\u1eefa b\u00e1nh xe c\u1ea7n tr\u1ee5c v\u00e0 \u0111\u01b0\u1eddng ray, sau \u0111\u00f3 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00f2n c\u1ee7a b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng ray, \u0111\u1ed3ng th\u1eddi l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng ray r\u1ea5t nhi\u1ec1u. N\u00f3 c\u0169ng s\u1ebd l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ea1y c\u1ee7a c\u01a1 c\u1ea5u ch\u1ea1y c\u1ea7n tr\u1ee5c. T\u1ea3i tr\u1ecdng c\u1ee7a \u0111\u1ed9ng c\u01a1 ch\u1ea1y v\u00e0 h\u1ed9p gi\u1ea3m t\u1ed1c t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u, ch\u1ea1y trong t\u00ecnh tr\u1ea1ng n\u00e0y l\u00e2u ng\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c \u0111\u1ed9ng c\u01a1 ch\u1ea1y v\u00e0 h\u1ed9p gi\u1ea3m t\u1ed1c b\u1ecb h\u1ecfng. Khi x\u1ea3y ra s\u1ef1 c\u1ed1 \u0111\u01b0\u1eddng g\u1eb7m b\u00e1nh xe s\u1ebd va ch\u1ea1m v\u00e0o \u0111\u01b0\u1eddng ray v\u00e0 sinh ra l\u1ef1c ngang. L\u1ef1c b\u00ean \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb khung k\u00e8o l\u00ean gi\u00e0n m\u00e1i c\u1ee7a c\u00f4ng tr\u00ecnh nh\u00e0 x\u01b0\u1edfng, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i s\u1ebd l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd c\u1ee7a c\u00f4ng tr\u00ecnh. Khi s\u1ef1 c\u1ed1 \u0111\u01b0\u1eddng g\u1eb7m k\u00e9o d\u00e0i v\u00e0 nghi\u00eam tr\u1ecdng, ngay c\u1ea3 m\u1eb7t b\u00edch b\u00e1nh xe c\u1ee7a c\u1ea7u tr\u1ee5c c\u0169ng s\u1ebd b\u1ecb m\u00e0i m\u00f2n ho\u00e0n to\u00e0n. C\u1ea7n tr\u1ee5c ch\u1ea1y trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u00f3 m\u1eb7t b\u00edch v\u00e0 m\u1ea5t t\u00e1c d\u1ee5ng h\u1ea1n ch\u1ebf c\u1ee7a ph\u01b0\u01a1ng ngang. C\u1ea7n c\u1ea9u r\u01a1i kh\u1ecfi \u0111\u01b0\u1eddng ray \u0111e d\u1ecda s\u1ef1 an to\u00e0n c\u1ee7a ng\u01b0\u1eddi v\u00e0 t\u00e0i s\u1ea3n. Do \u0111\u00f3, v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1eddng s\u1eaft g\u1eb7m nh\u1ea5m \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft. L\u00e0 c\u1ea7u tr\u1ee5c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 s\u1eeda ch\u1eefa c\u00e1c h\u1ea1ng m\u1ee5c c\u00f4ng vi\u1ec7c n\u1eb7ng.<\/p>\r\n<\/div>\r\n","protected":false},"excerpt":{"rendered":"\u0110i\u1ec1u ki\u1ec7n ch\u1ea1y \u0111\u01b0\u1eddng ray ma s\u00e1t qu\u00e1 m\u1ee9c Tr\u1ea1ng th\u00e1i ch\u1ea1y t\u1ed1i \u01b0u c\u1ee7a c\u1ea7n tr\u1ee5c l\u00e0 m\u1eb7t \u0111\u01b0\u1eddng ray c\u00f3 kho\u1ea3ng h\u1edf kho\u1ea3ng 20 mm v\u1edbi m\u1eb7t b\u00edch b\u00e1nh xe. M\u1eb7t b\u00edch c\u1ee7a b\u00e1nh xe kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi r\u00e3nh v\u00e0 kh\u00f4ng c\u00f3 l\u1ef1c c\u1ea3n b\u1ed5 sung khi b\u00e1nh xe \u0111ang ch\u1ea1y. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, m\u1eb7c [\u2026]","protected":false},"featured_media":331,"parent":0,"menu_order":0,"template":"","posts_category":[4],"posts_tag":[29,5],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcranewheel.com\/vi\/wp-json\/wp\/v2\/xmxposts\/325"}],"collection":[{"href":"https:\/\/www.dgcranewheel.com\/vi\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.dgcranewheel.com\/vi\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":8,"href":"https:\/\/www.dgcranewheel.com\/vi\/wp-json\/wp\/v2\/xmxposts\/325\/revisions"}],"predecessor-version":[{"id":766,"href":"https:\/\/www.dgcranewheel.com\/vi\/wp-json\/wp\/v2\/xmxposts\/325\/revisions\/766"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcranewheel.com\/vi\/wp-json\/wp\/v2\/media\/331"}],"wp:attachment":[{"href":"https:\/\/www.dgcranewheel.com\/vi\/wp-json\/wp\/v2\/media?parent=325"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.dgcranewheel.com\/vi\/wp-json\/wp\/v2\/posts_category?post=325"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.dgcranewheel.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}