{"id":281,"date":"2026-06-03T06:52:12","date_gmt":"2026-06-03T06:52:12","guid":{"rendered":"https:\/\/leaf-chain.com\/?p=281"},"modified":"2026-06-03T07:30:00","modified_gmt":"2026-06-03T07:30:00","slug":"leaf-chain-for-construction-elevator-the-complete-engineering-guide-to-builders-hoist-applications-in-the-uk","status":"publish","type":"post","link":"https:\/\/leaf-chain.com\/vi\/application\/leaf-chain-for-construction-elevator-the-complete-engineering-guide-to-builders-hoist-applications-in-the-uk\/","title":{"rendered":"H\u1ec7 th\u1ed1ng t\u1eddi x\u00edch l\u00e1 cho thang m\u00e1y x\u00e2y d\u1ef1ng: H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt to\u00e0n di\u1ec7n v\u1ec1 \u1ee9ng d\u1ee5ng t\u1eddi n\u00e2ng trong x\u00e2y d\u1ef1ng t\u1ea1i V\u01b0\u01a1ng qu\u1ed1c Anh"},"content":{"rendered":"
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H\u01b0\u1edbng d\u1eabn \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/div>\n

H\u1ec7 th\u1ed1ng t\u1eddi x\u00edch l\u00e1 cho thang m\u00e1y x\u00e2y d\u1ef1ng: H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt to\u00e0n di\u1ec7n v\u1ec1 \u1ee9ng d\u1ee5ng t\u1eddi n\u00e2ng trong x\u00e2y d\u1ef1ng t\u1ea1i V\u01b0\u01a1ng qu\u1ed1c Anh<\/h2>\n

H\u1ec7 th\u1ed1ng x\u00edch t\u1ea5m c\u01b0\u1eddng \u0111\u1ed9 cao \u0111ang \u0111\u1ecbnh h\u00ecnh l\u1ea1i c\u00e1ch th\u1ee9c x\u1eed l\u00fd t\u1ea3i tr\u1ecdng th\u1eb3ng \u0111\u1ee9ng t\u1ea1i c\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng \u1edf Anh \u2014 t\u1eeb c\u00e1c d\u1ef1 \u00e1n nh\u00e0 \u1edf th\u1ea5p t\u1ea7ng \u0111\u1ebfn c\u00e1c c\u00f4ng tr\u00ecnh th\u01b0\u01a1ng m\u1ea1i nhi\u1ec1u t\u1ea7ng.<\/p>\n

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\u25cf<\/span> H\u01a1n 18 n\u0103m kinh nghi\u1ec7m k\u1ef9 thu\u1eadt<\/div>\n
\u25cf<\/span> Nh\u00e0 cung c\u1ea5p c\u00f4ng nghi\u1ec7p B2B c\u1ee7a V\u01b0\u01a1ng qu\u1ed1c Anh<\/div>\n
\u25cf<\/span> Gi\u1ea3i ph\u00e1p chu\u1ed7i t\u00f9y ch\u1ec9nh<\/div>\n<\/div>\n<\/div>\n

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\"D\u00e2y\u0110i ngang qua b\u1ea5t k\u1ef3 c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng nh\u00e0 cao t\u1ea7ng n\u00e0o \u1edf Birmingham, Manchester, ho\u1eb7c kh\u1eafp v\u00f9ng \u0110\u1ea1i Lu\u00e2n \u0110\u00f4n, b\u1ea1n g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn s\u1ebd th\u1ea5y m\u1ed9t chi\u1ebfc c\u1ea7n c\u1ea9u x\u00e2y d\u1ef1ng \u0111ang leo l\u00ean gi\u00e0n gi\u00e1o \u2014 \u0111\u1ec1u \u0111\u1eb7n, kh\u00f4ng ng\u1eebng ngh\u1ec9, v\u1eadn chuy\u1ec3n g\u1ea1ch, t\u1ea5m th\u1ea1ch cao v\u00e0 c\u1ed1t th\u00e9p l\u00ean c\u00e1c t\u1ea7ng m\u00e0 n\u1ebfu kh\u00f4ng c\u00f3 n\u00f3 s\u1ebd c\u1ea7n h\u00e0ng gi\u1edd lao \u0111\u1ed9ng th\u1ee7 c\u00f4ng. \u0110i\u1ec1u m\u00e0 h\u1ea7u h\u1ebft c\u00e1c qu\u1ea3n l\u00fd c\u00f4ng tr\u01b0\u1eddng kh\u00f4ng bao gi\u1edd ngh\u0129 \u0111\u1ebfn l\u00e0 th\u1ee9 th\u1ef1c s\u1ef1 \u0111\u1ea9y chi\u1ebfc c\u1ea7n c\u1ea9u l\u00ean tr\u00ean: \u0111\u00f3 l\u00e0 d\u00e2y x\u00edch l\u00e1. N\u1ebfu kh\u00f4ng c\u00f3 n\u00f3, to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng v\u1eadn chuy\u1ec3n th\u1eb3ng \u0111\u1ee9ng s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

X\u00edch l\u00e1 \u2013 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn trong ng\u00e0nh l\u00e0 x\u00edch t\u1ea5m ho\u1eb7c x\u00edch m\u1eaft ph\u1eb3ng \u2013 l\u00e0 m\u1ed9t lo\u1ea1i x\u00edch kh\u1edbp n\u1ed1i b\u1eb1ng th\u00e9p \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c t\u1ea5m ph\u1eb3ng \u0111an xen v\u00e0 c\u00e1c ch\u1ed1t ch\u00ednh x\u00e1c. Kh\u00f4ng gi\u1ed1ng nh\u01b0 x\u00edch con l\u0103n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y m\u00f3c n\u00f3i chung, x\u00edch l\u00e1 ch\u1ecbu t\u1ea3i tr\u1ecdng ho\u00e0n to\u00e0n b\u1eb1ng l\u1ef1c c\u0103ng m\u00e0 kh\u00f4ng c\u00f3 r\u0103ng \u0103n kh\u1edbp. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m cho n\u00f3 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u00e0 ch\u1ecbu t\u1ea3i tr\u1ecdng va \u0111\u1eadp b\u00ean trong ph\u1ea7n c\u1ed9t thang m\u00e1y x\u00e2y d\u1ef1ng. X\u00edch n\u00e0y k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng \u0111\u1ed1i tr\u1ecdng c\u1ee7a toa xe v\u1edbi b\u1ed9 truy\u1ec1n \u0111\u1ed9ng, v\u00e0 m\u1ed7i m\u00e9t di chuy\u1ec3n theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng t\u1ea1o ra \u1ee9ng su\u1ea5t chu k\u1ef3 r\u1ea5t l\u1edbn l\u00ean t\u1eebng m\u1eaft x\u00edch. N\u1ebfu l\u1ef1a ch\u1ecdn sai th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, b\u1ea1n s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi s\u1ef1 h\u1ecfng h\u00f3c s\u1edbm, th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i k\u1ebf ho\u1ea1ch, chi ph\u00ed thay th\u1ebf t\u1ed1n k\u00e9m, v\u00e0 \u2013 trong tr\u01b0\u1eddng h\u1ee3p x\u1ea5u nh\u1ea5t \u2013 m\u1ed9t s\u1ef1 c\u1ed1 an to\u00e0n khi\u1ebfn c\u00f4ng tr\u01b0\u1eddng ph\u1ea3i \u0111\u00f3ng c\u1eeda.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y d\u1ef1a tr\u00ean h\u01a1n 18 n\u0103m kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt \u1ee9ng d\u1ee5ng \u2014 t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn, l\u1eafp \u0111\u1eb7t \u0111\u1ebfn kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 x\u00edch l\u00e1 trong thang m\u00e1y x\u00e2y d\u1ef1ng t\u1eeb Scotland \u0111\u1ebfn v\u00f9ng \u0110\u00f4ng Nam n\u01b0\u1edbc Anh. Cho d\u00f9 b\u1ea1n l\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t thang m\u00e1y, c\u00f4ng ty cho thu\u00ea thi\u1ebft b\u1ecb hay k\u1ef9 s\u01b0 thu mua \u0111ang t\u00ecm ki\u1ebfm x\u00edch thay th\u1ebf cho \u0111\u1ed9i thang m\u00e1y x\u00e2y d\u1ef1ng, b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1u bao g\u1ed3m m\u1ecdi th\u1ee9 b\u1ea1n c\u1ea7n \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn.<\/p>\n<\/div>\n<\/div>\n

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B\u1ea1n c\u1ea7n b\u00e1o gi\u00e1 x\u00edch l\u00e1 cho m\u00e1y n\u00e2ng x\u00e2y d\u1ef1ng?<\/p>\n

K\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i s\u1ebd ph\u1ea3n h\u1ed3i trong v\u00f2ng 24 gi\u1edd \u2014 c\u00f3 s\u1eb5n c\u00e1c k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh.<\/p>\n<\/div>\n

Nh\u1eadn b\u00e1o gi\u00e1 \u2192<\/a><\/p>\n<\/div>\n<\/div>\n

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X\u00edch l\u00e1 l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong t\u1eddi n\u00e2ng c\u1ee7a th\u1ee3 x\u00e2y?<\/h2>\n
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\u0110\u1ecbnh ngh\u0129a k\u1ef9 thu\u1eadt c\u1ee7a x\u00edch l\u00e1 r\u1ea5t \u0111\u01a1n gi\u1ea3n: x\u00edch l\u00e1 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c t\u1ea5m th\u00e9p ph\u1eb3ng (g\u1ecdi l\u00e0 l\u00e1 ho\u1eb7c t\u1ea5m li\u00ean k\u1ebft) \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi nhau b\u1eb1ng c\u00e1c ch\u1ed1t th\u00e9p t\u00f4i c\u1ee9ng v\u00e0 \u0111\u01b0\u1ee3c gi\u1eef c\u1ed1 \u0111\u1ecbnh b\u1eb1ng ch\u1ed1t h\u00e3m, t\u00e1n \u0111inh ho\u1eb7c c\u00e1c t\u1ea5m \u0111\u1ea7u \u0111\u01b0\u1ee3c \u00e9p ch\u1eb7t. Kh\u00f4ng c\u00f3 con l\u0103n, kh\u00f4ng c\u00f3 b\u1ea1c l\u00f3t v\u00e0 kh\u00f4ng c\u00f3 b\u00e1nh r\u0103ng \u0103n kh\u1edbp. To\u00e0n b\u1ed9 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i \u0111\u1ebfn t\u1eeb \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a c\u00e1c t\u1ea5m v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1eaft c\u1ee7a c\u00e1c ch\u1ed1t.<\/p>\n

Trong thang m\u00e1y x\u00e2y d\u1ef1ng ki\u1ec3u b\u00e1nh r\u0103ng v\u00e0 thanh r\u0103ng \u2013 lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t t\u1ea1i c\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng \u1edf Anh \u2013 x\u00edch l\u00e1 kh\u00f4ng ph\u1ea3i l\u00e0 c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng ch\u00ednh. Thay v\u00e0o \u0111\u00f3, n\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 y\u1ebfu t\u1ed1 an to\u00e0n v\u00e0 c\u00e2n b\u1eb1ng trong c\u1ee5m \u0111\u1ed1i tr\u1ecdng. B\u00e1nh r\u0103ng d\u1eabn \u0111\u1ed9ng \u0103n kh\u1edbp v\u1edbi thanh r\u0103ng tr\u00ean c\u1ed9t \u0111\u1ec3 \u0111\u1ea9y cabin, trong khi x\u00edch l\u00e1 ch\u1ea1y tr\u00ean m\u1ed9t r\u00f2ng r\u1ecdc \u1edf \u0111\u1ec9nh c\u1ed9t, k\u1ebft n\u1ed1i cabin \u1edf m\u1ed9t b\u00ean v\u1edbi \u0111\u1ed1i tr\u1ecdng \u1edf b\u00ean kia. S\u1ef1 b\u1ed1 tr\u00ed n\u00e0y l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ea3i tr\u1ecdng t\u1ecbnh m\u00e0 \u0111\u1ed9ng c\u01a1 ph\u1ea3i x\u1eed l\u00fd, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb v\u00e0 gi\u1ea3m ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng m\u1ed7i chu k\u1ef3 n\u00e2ng.<\/p>\n

Trong c\u00e1c c\u1ea5u h\u00ecnh t\u1eddi tang tr\u1ed1ng v\u00e0 t\u1eddi ma s\u00e1t c\u0169 h\u01a1n \u2014 v\u1eabn c\u00f2n th\u1ea5y tr\u00ean c\u00e1c lo\u1ea1i t\u1eddi gi\u00e0n gi\u00e1o v\u00e0 thang n\u00e2ng v\u1eadt li\u1ec7u nh\u1ecf h\u01a1n \u2014 x\u00edch l\u00e1 l\u00e0 b\u1ed9 ph\u1eadn ch\u1ecbu t\u1ea3i ch\u00ednh, \u0111\u01b0\u1ee3c qu\u1ea5n quanh m\u1ed9t tang tr\u1ed1ng ho\u1eb7c lu\u1ed3n qua h\u1ec7 th\u1ed1ng r\u00f2ng r\u1ecdc. \u1ede \u0111\u00e2y, x\u00edch ph\u1ea3i ch\u1ecbu t\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c t\u1ed1i \u0111a trong m\u1ed7i l\u1ea7n n\u00e2ng. Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt cao h\u01a1n \u0111\u00e1ng k\u1ec3, v\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn x\u00edch tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n bao gi\u1edd h\u1ebft.<\/p>\n<\/div>\n

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\"Chi<\/p>\n

\u1ea2nh c\u1eadn c\u1ea3nh c\u1ee5m m\u1eaft x\u00edch t\u1ea5m \u2014 l\u01b0u \u00fd ki\u1ec3u \u0111an xen.<\/p>\n<\/div>\n<\/div>\n

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\u2699<\/div>\n

Thi\u1ebft k\u1ebf c\u0103ng th\u1eb3ng thu\u1ea7n t\u00fay<\/h3>\n

Kh\u00f4ng c\u00f3 c\u01a1 c\u1ea5u b\u00e1nh r\u0103ng \u2013 t\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c truy\u1ec1n ho\u00e0n to\u00e0n th\u00f4ng qua \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a t\u1ea5m v\u00e0 ch\u1ed1t, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng n\u00e2ng h\u1ea1.<\/p>\n<\/div>\n

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\ud83d\udee0<\/div>\n

Ti\u00eau chu\u1ea9n d\u00f2ng AL & BL<\/h3>\n

S\u1ea3n ph\u1ea9m c\u00f3 s\u1eb5n theo ti\u00eau chu\u1ea9n ANSI AL (ti\u00eau chu\u1ea9n M\u1ef9) v\u00e0 BL (ti\u00eau chu\u1ea9n Anh\/ISO). H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 t\u1ea1i Anh \u0111\u1ec1u ch\u1ec9 \u0111\u1ecbnh d\u00f2ng BL theo ti\u00eau chu\u1ea9n BS EN ISO 4347.<\/p>\n<\/div>\n

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\ud83d\udcc8<\/div>\n

Cu\u1ed9c s\u1ed1ng m\u1ec7t m\u1ecfi cao<\/h3>\n

C\u00e1c t\u1ea5m \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p b\u1eafn bi v\u00e0 c\u00e1c ch\u1ed1t \u0111\u01b0\u1ee3c t\u00f4i c\u1ee9ng b\u1eb1ng c\u1ea3m \u1ee9ng gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu m\u1ecfi l\u00ean \u0111\u1ebfn 40% so v\u1edbi c\u00e1c lo\u1ea1i ti\u00eau chu\u1ea9n \u2014 \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng n\u00e2ng h\u1ea1 c\u00f3 chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng cao.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt: C\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t c\u1ee7a x\u00edch l\u00e1 cho t\u1eddi n\u00e2ng trong x\u00e2y d\u1ef1ng<\/h2>\n
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Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i x\u00edch ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 ch\u1ecdn lo\u1ea1i n\u1eb7ng nh\u1ea5t r\u1ed3i hy v\u1ecdng m\u1ecdi chuy\u1ec7n s\u1ebd \u1ed5n. N\u00f3 \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a x\u00edch ph\u00f9 h\u1ee3p v\u1edbi chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y li\u1ec7t k\u00ea c\u00e1c lo\u1ea1i x\u00edch ch\u00ednh m\u00e0 ch\u00fang t\u00f4i cung c\u1ea5p cho c\u00e1c \u1ee9ng d\u1ee5ng thang m\u00e1y x\u00e2y d\u1ef1ng \u2014 t\u1ea5t c\u1ea3 \u0111\u1ec1u tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n BS EN ISO 4347 v\u00e0 c\u00f3 \u0111\u1ea7y \u0111\u1ee7 t\u00e0i li\u1ec7u truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u \u0111\u1ec3 tu\u00e2n th\u1ee7 Quy \u0111\u1ecbnh v\u1ec1 V\u1eadn h\u00e0nh v\u00e0 Thi\u1ebft b\u1ecb N\u00e2ng h\u1ea1 c\u1ee7a V\u01b0\u01a1ng qu\u1ed1c Anh (LOLER).<\/p>\n

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Chu\u1ed7i<\/th>\nB\u01b0\u1edbc ren (mm)<\/th>\nBu\u1ed9c d\u00e2y<\/th>\nT\u1ea3i tr\u1ecdng ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u (kN)<\/th>\nGi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng l\u00e0m vi\u1ec7c (kN)<\/th>\n\u0110\u1ed9 c\u1ee9ng c\u1ee7a ch\u1ed1t (HRC)<\/th>\n\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a thi\u1ebft b\u1ecb n\u00e2ng<\/th>\n<\/tr>\n<\/thead>\n
BL 422<\/td>\n12.70<\/td>\n2 x 2<\/td>\n31.3<\/td>\n7.8<\/td>\n58\u201362<\/td>\nM\u00e1y n\u00e2ng v\u1eadt li\u1ec7u nh\u1eb9 (<500 kg)<\/td>\n<\/tr>\n
BL 623<\/td>\n19.05<\/td>\n2 x 3<\/td>\n88.5<\/td>\n22.1<\/td>\n58\u201362<\/td>\n\u0110\u1ed1i tr\u1ecdng c\u1ee7a xe c\u01a1 c\u1ea5u b\u00e1nh r\u0103ng v\u00e0 thanh r\u0103ng<\/td>\n<\/tr>\n
BL 834<\/td>\n25.40<\/td>\n3 x 4<\/td>\n196.0<\/td>\n49.0<\/td>\n58\u201362<\/td>\nM\u00e1y n\u00e2ng l\u1ed3ng \u0111\u00f4i ti\u00eau chu\u1ea9n (1000\u20132000 kg)<\/td>\n<\/tr>\n
BL 1046<\/td>\n31.75<\/td>\n4 x 6<\/td>\n374.0<\/td>\n93.5<\/td>\n60\u201364<\/td>\nThang n\u00e2ng ng\u01b0\u1eddi\/v\u1eadt li\u1ec7u h\u1ea1ng n\u1eb7ng<\/td>\n<\/tr>\n
BL 1256 (H\u1ea1ng n\u1eb7ng)<\/td>\n38.10<\/td>\n5 x 6<\/td>\n556.0<\/td>\n139.0<\/td>\n60\u201364<\/td>\nThang m\u00e1y cao t\u1ea7ng, gi\u00e0n khoan ngo\u00e0i kh\u01a1i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

* Gi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c t\u00ednh theo h\u1ec7 s\u1ed1 an to\u00e0n 4:1 theo ti\u00eau chu\u1ea9n LOLER 1998 & BS EN ISO 4347. Vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n c\u1ee5 th\u1ec3 cho t\u1eebng c\u00f4ng tr\u00ecnh.<\/p>\n

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\"X\u00edch<\/div>\n
\"Chi<\/div>\n<\/div>\n<\/div>\n

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V\u00ec sao x\u00edch l\u00e1 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n m\u1ecdi gi\u1ea3i ph\u00e1p thay th\u1ebf trong thang m\u00e1y x\u00e2y d\u1ef1ng<\/h2>\n
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M\u1ed9t c\u00e2u h\u1ecfi t\u00f4i th\u01b0\u1eddng xuy\u00ean nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd cho thu\u00ea thi\u1ebft b\u1ecb v\u00e0 k\u1ef9 s\u01b0 c\u00f4ng tr\u01b0\u1eddng l\u00e0 t\u1ea1i sao h\u1ecd kh\u00f4ng th\u1ec3 \u0111\u01a1n gi\u1ea3n thay th\u1ebf b\u1eb1ng d\u00e2y c\u00e1p th\u00e9p ho\u1eb7c x\u00edch con l\u0103n n\u1eb7ng. C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf nh\u1eefng y\u00eau c\u1ea7u c\u01a1 h\u1ecdc \u0111\u1eb7c th\u00f9 c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb n\u00e2ng th\u1eb3ng \u0111\u1ee9ng ho\u1ea1t \u0111\u1ed9ng t\u1eeb 200 \u0111\u1ebfn 500 chu k\u1ef3 m\u1ed7i ng\u00e0y, ti\u1ebfp x\u00fac v\u1edbi th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t c\u1ee7a Anh, b\u1ee5i b\u00ea t\u00f4ng, s\u01b0\u01a1ng d\u1ea7u th\u1ee7y l\u1ef1c v\u00e0 th\u1ec9nh tho\u1ea3ng b\u1ecb va \u0111\u1eadp tr\u1ef1c ti\u1ebfp t\u1eeb v\u1eadt li\u1ec7u r\u01a1i. M\u1ed7i gi\u1ea3i ph\u00e1p thay th\u1ebf \u0111\u1ec1u c\u00f3 nh\u1eefng ki\u1ec3u h\u1ecfng h\u00f3c c\u1ee5 th\u1ec3 m\u00e0 x\u00edch l\u00e1 tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1edd thi\u1ebft k\u1ebf.<\/p>\n

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\ud83d\udd25 Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ea3i tr\u1ecdng va \u0111\u1eadp<\/h3>\n

M\u1ed7i khi m\u1ed9t l\u1ed3ng ch\u1ee9a h\u00e0ng b\u1eaft \u0111\u1ea7u v\u00e0 d\u1eebng l\u1ea1i, n\u00f3 t\u1ea1o ra c\u00e1c t\u1ea3i tr\u1ecdng xung \u0111\u1ed9ng \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 2,5 l\u1ea7n t\u1ea3i tr\u1ecdng t\u0129nh. C\u1ea5u tr\u00fac d\u1ea1ng t\u1ea5m \u0111an xen c\u1ee7a x\u00edch l\u00e1 h\u1ea5p th\u1ee5 v\u00e0 ph\u00e2n t\u00e1n c\u00e1c l\u1ef1c xung \u0111\u1ed9ng n\u00e0y tr\u00ean h\u00e0ng tr\u0103m b\u1ec1 m\u1eb7t ch\u1ecbu t\u1ea3i c\u00f9ng m\u1ed9t l\u00fac. D\u00e2y c\u00e1p th\u00e9p nhanh ch\u00f3ng b\u1ecb m\u1ecfi d\u01b0\u1edbi c\u00f9ng \u0111i\u1ec1u ki\u1ec7n chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u1ea1i c\u00e1c \u0111i\u1ec3m k\u1ebft th\u00fac \u2014 v\u00e0 x\u00edch con l\u0103n b\u1ecb m\u00e0i m\u00f2n nhanh h\u01a1n \u1edf c\u00e1c b\u1ea1c l\u00f3t m\u00e0 \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng t\u1ed3n t\u1ea1i trong thi\u1ebft k\u1ebf x\u00edch l\u00e1.<\/p>\n<\/div>\n

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\ud83d\udd12 Gi\u00e1m s\u00e1t hao m\u00f2n c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c<\/h3>\n

Kh\u00f4ng gi\u1ed1ng nh\u01b0 d\u00e2y c\u00e1p th\u00e9p \u2014 n\u01a1i s\u1ef1 \u0103n m\u00f2n b\u00ean trong c\u00e1c s\u1ee3i kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y cho \u0111\u1ebfn khi x\u1ea3y ra s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng \u2014 x\u00edch l\u00e1 b\u1ecb m\u00f2n b\u00ean ngo\u00e0i tr\u00ean \u0111\u01b0\u1eddng k\u00ednh ch\u1ed1t v\u00e0 m\u1eb7t trong c\u1ee7a c\u00e1c t\u1ea5m li\u00ean k\u1ebft. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 s\u1ef1 m\u00f2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c theo d\u00f5i b\u1eb1ng c\u00e1ch ki\u1ec3m tra b\u1eb1ng th\u01b0\u1edbc \u0111o \u0111\u01a1n gi\u1ea3n trong c\u00e1c cu\u1ed9c ki\u1ec3m tra LOLER \u0111\u1ecbnh k\u1ef3. Khi \u0111\u1ed9 gi\u00e3n d\u00e0i b\u01b0\u1edbc x\u00edch \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n s\u1eed d\u1ee5ng 3% \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi ti\u00eau chu\u1ea9n BS EN 818-7, x\u00edch s\u1ebd \u0111\u01b0\u1ee3c thay th\u1ebf tr\u01b0\u1edbc khi ph\u00e1t sinh b\u1ea5t k\u1ef3 r\u1ee7i ro an to\u00e0n n\u00e0o. Kh\u1ea3 n\u0103ng d\u1ef1 \u0111o\u00e1n n\u00e0y l\u00e0 l\u00fd do quan tr\u1ecdng nh\u1ea5t khi\u1ebfn c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 c\u1ee7a Anh ti\u1ebfp t\u1ee5c l\u1ef1a ch\u1ecdn x\u00edch l\u00e1 thay v\u00ec d\u00e2y c\u00e1p th\u00e9p.<\/p>\n<\/div>\n

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\ud83c\udf0e Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/h3>\n

C\u00e1c c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng \u1edf Anh n\u1ed5i ti\u1ebfng l\u00e0 \u1ea9m \u01b0\u1edbt. M\u01b0a, n\u01b0\u1edbc \u0111\u1ecdng v\u00e0 h\u01a1i mu\u1ed1i bi\u1ec3n tr\u00ean c\u00e1c d\u1ef1 \u00e1n ven bi\u1ec3n t\u1ea1o ra th\u00e1ch th\u1ee9c \u0103n m\u00f2n kh\u00f4ng ng\u1eebng. X\u00edch l\u00e1 d\u00f9ng cho thang m\u00e1y x\u00e2y d\u1ef1ng c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb \u200b\u200bth\u00e9p h\u1ee3p kim boron v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng ho\u1eb7c m\u1ea1 k\u1ebdm-niken. X\u1eed l\u00fd ch\u1ed1t t\u1ef1 b\u00f4i tr\u01a1n gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc gi\u1eefa c\u00e1c t\u1ea5m. K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t s\u1ee3i x\u00edch duy tr\u00ec \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac trong m\u1ecdi \u0111i\u1ec1u ki\u1ec7n t\u1eeb Aberdeen \u0111\u1ebfn Plymouth.<\/p>\n<\/div>\n<\/div>\n

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H\u00ecnh d\u1ea1ng ph\u1eb3ng = Gi\u1ea3m thi\u1ec3u m\u00e0i m\u00f2n r\u00f2ng r\u1ecdc<\/h3>\n

\"X\u00edchM\u1ed9t \u01b0u \u0111i\u1ec3m \u00edt \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao c\u1ee7a c\u1ea5u h\u00ecnh ph\u1eb3ng c\u1ee7a x\u00edch l\u00e1 l\u00e0 h\u00ecnh d\u1ea1ng ti\u1ebfp x\u00fac tr\u00ean r\u00f2ng r\u1ecdc h\u1ed3i \u1edf \u0111\u1ec9nh c\u1ed9t. B\u1edfi v\u00ec x\u00edch u\u1ed1n cong tr\u00ean m\u1ed9t ch\u1ed1t r\u00f2ng r\u1ecdc c\u00f3 b\u00e1n k\u00ednh l\u1edbn thay v\u00ec \u0103n kh\u1edbp v\u1edbi c\u00e1c r\u0103ng, t\u1ea3i tr\u1ecdng ngang l\u00ean \u1ed5 tr\u1ee5c r\u00f2ng r\u1ecdc \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u00e1ng k\u1ec3. Tr\u00ean m\u1ed9t thi\u1ebft b\u1ecb n\u00e2ng ho\u1ea1t \u0111\u1ed9ng 400 chu k\u1ef3 m\u1ed7i ng\u00e0y trong m\u1ed9t d\u1ef1 \u00e1n k\u00e9o d\u00e0i 18 th\u00e1ng, \u0111i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed thay th\u1ebf \u1ed5 tr\u1ee5c r\u00f2ng r\u1ecdc \u2014 m\u1ed9t \u0111i\u1ec1u m\u00e0 c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd nh\u00e0 m\u00e1y gi\u00e0u kinh nghi\u1ec7m theo d\u00f5i s\u00e1t sao trong ng\u00e2n s\u00e1ch b\u1ea3o tr\u00ec c\u1ee7a h\u1ecd.<\/p>\n

Thi\u1ebft k\u1ebf ph\u1eb3ng c\u0169ng gi\u00fap d\u00e2y x\u00edch x\u1ebfp g\u1ecdn g\u00e0ng trong r\u00e3nh d\u1eabn h\u01b0\u1edbng \u0111\u1ed1i tr\u1ecdng, ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng xo\u1eafn v\u00e0 v\u01b0\u1edbng m\u1eafc th\u01b0\u1eddng x\u1ea3y ra v\u1edbi h\u1ec7 th\u1ed1ng c\u00e1p th\u00e9p khi l\u1ed3ng thang m\u00e1y \u0111\u1ea3o chi\u1ec1u nhanh d\u01b0\u1edbi t\u1ea3i tr\u1ecdng. T\u1ea1i c\u00e1c c\u00f4ng tr\u01b0\u1eddng h\u1ed7n h\u1ee3p d\u00e2n c\u01b0 v\u00e0 th\u01b0\u01a1ng m\u1ea1i b\u1eadn r\u1ed9n, n\u01a1i ng\u01b0\u1eddi v\u1eadn h\u00e0nh lu\u00f4n ch\u1ecbu \u00e1p l\u1ef1c t\u1ed1i \u0111a h\u00f3a s\u1ed1 chu k\u1ef3 n\u00e2ng h\u1ea1 m\u1ed7i gi\u1edd, \u0111\u1ed9 tin c\u1eady c\u01a1 h\u1ecdc n\u00e0y tr\u1ef1c ti\u1ebfp gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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C\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf: H\u1ec7 th\u1ed1ng t\u1eddi n\u00e2ng ki\u1ec3u x\u00edch l\u00e1 trong x\u00e2y d\u1ef1ng c\u00e1c lo\u1ea1i m\u00e1y n\u00e2ng h\u00e0ng t\u1ea1i Anh.<\/h2>\n
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Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 thang m\u00e1y x\u00e2y d\u1ef1ng \u0111\u1ec1u gi\u1ed1ng nhau. Th\u1ecb tr\u01b0\u1eddng Anh h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i thang m\u00e1y kh\u00e1c nhau, t\u1eeb thang m\u00e1y ch\u1edf h\u00e0ng m\u1ed9t c\u1ed9t \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn thang m\u00e1y ch\u1edf ng\u01b0\u1eddi hai l\u1ed3ng ph\u1ee9c t\u1ea1p s\u1eed d\u1ee5ng c\u01a1 c\u1ea5u b\u00e1nh r\u0103ng v\u00e0 thanh r\u0103ng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c d\u1ef1 \u00e1n nh\u00e0 ch\u1ecdc tr\u1eddi \u1edf Th\u00e0nh ph\u1ed1 Lu\u00e2n \u0110\u00f4n ho\u1eb7c Canary Wharf. M\u1ed7i \u1ee9ng d\u1ee5ng \u0111\u1eb7t ra nh\u1eefng y\u00eau c\u1ea7u kh\u00e1c nhau \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng, v\u00e0 m\u1ed9t k\u1ef9 s\u01b0 \u1ee9ng d\u1ee5ng gi\u1ecfi c\u1ea7n hi\u1ec3u r\u00f5 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t \u0111\u00f3 tr\u01b0\u1edbc khi \u0111\u1ec1 xu\u1ea5t lo\u1ea1i thang m\u00e1y ph\u00f9 h\u1ee3p.<\/p>\n

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\"C\u00f4ng<\/p>\n

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Lo\u1ea1i 1<\/div>\n

M\u00e1y n\u00e2ng ng\u01b0\u1eddi v\u00e0 v\u1eadt li\u1ec7u ki\u1ec3u b\u00e1nh r\u0103ng v\u00e0 thanh r\u0103ng<\/h3>\n

\u0110\u00e2y l\u00e0 nh\u1eefng c\u1ed7 m\u00e1y ch\u1ee7 l\u1ef1c c\u1ee7a ng\u00e0nh x\u00e2y d\u1ef1ng Anh Qu\u1ed1c \u2014 nh\u1eefng thang m\u00e1y l\u1ed3ng m\u00e0u cam v\u00e0 v\u00e0ng th\u01b0\u1eddng th\u1ea5y \u1edf m\u1ecdi khu ph\u00e1t tri\u1ec3n trung t\u00e2m th\u00e0nh ph\u1ed1 v\u00e0 c\u00e1c d\u1ef1 \u00e1n nh\u00e0 \u1edf cao t\u1ea7ng. H\u1ec7 th\u1ed1ng x\u00edch l\u00e1 \u1edf \u0111\u00e2y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ph\u1ea7n t\u1eed treo \u0111\u1ed1i tr\u1ecdng, th\u01b0\u1eddng l\u00e0 lo\u1ea1i BL 834 ho\u1eb7c BL 1046 v\u1edbi ki\u1ec3u \u0111an 4 x 6. T\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c t\u1eeb 1.000 \u0111\u1ebfn 3.200 kg \u0111\u1ed1i v\u1edbi c\u1ea5u h\u00ecnh l\u1ed3ng \u0111\u00f4i. V\u1edbi c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1eafn \u1edf ch\u00e2n c\u1ed9t v\u00e0 c\u00e1c b\u00e1nh r\u0103ng \u0103n kh\u1edbp v\u1edbi c\u00e1c r\u0103ng \u0111\u01b0\u1ee3c gia c\u00f4ng tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c \u0111o\u1ea1n c\u1ed9t, h\u1ec7 th\u1ed1ng x\u00edch \u0111\u1ed1i tr\u1ecdng ch\u1ea1y d\u1ecdc to\u00e0n b\u1ed9 chi\u1ec1u cao c\u1ee7a c\u1ed9t \u2014 \u0111\u00f4i khi v\u01b0\u1ee3t qu\u00e1 200 m\u00e9t trong c\u00e1c d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng cao nh\u1ea5t \u1edf Anh.<\/p>\n<\/div>\n<\/div>\n

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\"M\u00e1y<\/p>\n

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Lo\u1ea1i 2<\/div>\n

M\u00e1y n\u00e2ng v\u1eadt li\u1ec7u g\u1eafn tr\u00ean gi\u00e0n gi\u00e1o<\/h3>\n

C\u00e1c lo\u1ea1i t\u1eddi n\u00e2ng t\u1ea3i nh\u1eb9 \u0111\u01b0\u1ee3c b\u1eaft v\u00edt v\u00e0o \u1ed1ng gi\u00e0n gi\u00e1o tr\u00ean c\u00e1c t\u00f2a nh\u00e0 th\u1ea5p t\u1ea7ng, c\u00e1c c\u00f4ng tr\u00ecnh m\u1edf r\u1ed9ng nh\u00e0 \u1edf v\u00e0 c\u00e1c d\u1ef1 \u00e1n c\u1ea3i t\u1ea1o s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng t\u1eddi \u0111\u01a1n gi\u1ea3n h\u01a1n v\u1edbi m\u1ed9t tang tr\u1ed1ng ho\u1eb7c tang tr\u1ed1ng d\u00e2y. \u1ede \u0111\u00e2y, x\u00edch l\u00e1 th\u01b0\u1eddng \u0111\u00f3ng vai tr\u00f2 l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n n\u00e2ng ch\u00ednh ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ed1i tr\u1ecdng, ngh\u0129a l\u00e0 n\u00f3 tr\u1ef1c ti\u1ebfp ch\u1ecbu to\u00e0n b\u1ed9 t\u1ea3i tr\u1ecdng. C\u00e1c lo\u1ea1i t\u1eddi c\u1ea5p BL 422 \u0111\u1ebfn BL 623 \u0111\u00e1p \u1ee9ng ph\u1ea7n l\u1edbn c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y. X\u00edch th\u01b0\u1eddng ng\u1eafn h\u01a1n \u2014 t\u1eeb 20 \u0111\u1ebfn 40 m\u00e9t \u2014 v\u00e0 vi\u1ec7c thay th\u1ebf r\u1ea5t \u0111\u01a1n gi\u1ea3n, khi\u1ebfn chi ph\u00ed v\u00f2ng \u0111\u1eddi tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng ty cho thu\u00ea thi\u1ebft b\u1ecb x\u00e2y d\u1ef1ng \u0111ang th\u1ed1ng tr\u1ecb ph\u00e2n kh\u00fac th\u1ecb tr\u01b0\u1eddng n\u00e0y t\u1ea1i c\u00e1c th\u00e0nh ph\u1ed1 nh\u01b0 Leeds, Sheffield v\u00e0 Bristol.<\/p>\n<\/div>\n<\/div>\n

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\"D\u00e2y<\/p>\n

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Lo\u1ea1i 3<\/div>\n

M\u00e1y n\u00e2ng ng\u01b0\u1eddi leo c\u1ed9t<\/h3>\n

H\u1ec7 th\u1ed1ng thang n\u00e2ng c\u1ed9t \u2013 ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn trong c\u00e1c d\u1ef1 \u00e1n l\u1eafp \u0111\u1eb7t t\u1ea5m \u1ed1p v\u00e0 m\u1eb7t ti\u1ec1n t\u1ea1i Anh \u2013 s\u1eed d\u1ee5ng nhi\u1ec1u b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9, m\u1ed7i b\u1ed9 bao g\u1ed3m m\u1ed9t c\u1ee5m x\u00edch l\u00e1. Y\u00eau c\u1ea7u \u0111\u1ed3ng b\u1ed9 h\u00f3a c\u00f3 ngh\u0129a l\u00e0 t\u1ea5t c\u1ea3 c\u00e1c x\u00edch trong c\u1ea5u h\u00ecnh nhi\u1ec1u c\u1ed9t ph\u1ea3i c\u00f3 \u0111\u1eb7c t\u00ednh \u0111\u1ed9 gi\u00e3n ph\u00f9 h\u1ee3p. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c b\u1ed9 x\u00edch \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo l\u00f4 c\u1ee7a ch\u00fang t\u00f4i, v\u1edbi ch\u1ee9ng nh\u1eadn \u0111\u1ed9 gi\u00e3n trong ph\u1ea1m vi \u00b10,1% tr\u00ean to\u00e0n b\u1ed9 b\u1ed9 x\u00edch, tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb. C\u00e1c x\u00edch kh\u00f4ng \u0111\u1ed3ng b\u1ed9 trong h\u1ec7 th\u1ed1ng \u0111\u1ed3ng b\u1ed9 t\u1ea1o ra s\u1ef1 ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng nguy hi\u1ec3m, c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u1ee7a t\u1eebng c\u1ed9t ch\u1ec9 trong v\u00e0i gi\u1edd s\u1eed d\u1ee5ng \u0111\u1ea7u ti\u00ean.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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\"L\u1eafp<\/div>\n<\/div>\n<\/div>\n

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V\u1eadt li\u1ec7u, Quy tr\u00ecnh S\u1ea3n xu\u1ea5t & Ti\u00eau chu\u1ea9n Ch\u1ea5t l\u01b0\u1ee3ng: Nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea5u th\u00e0nh n\u00ean x\u00edch t\u1eddi x\u00e2y d\u1ef1ng c\u1ee7a ch\u00fang t\u00f4i<\/h2>\n
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\"B\u1ed9<\/p>\n

Kho\u1ea3ng c\u00e1ch v\u1ec1 hi\u1ec7u su\u1ea5t gi\u1eefa x\u00edch l\u00e1 thang m\u00e1y nh\u1eadp kh\u1ea9u gi\u00e1 r\u1ebb v\u00e0 x\u00edch l\u00e1 thang m\u00e1y k\u1ef9 thu\u1eadt \u0111\u1ea1t ti\u00eau chu\u1ea9n kh\u00f4ng ph\u1ea3i l\u00e0 l\u1eddi qu\u1ea3ng c\u00e1o su\u00f4ng \u2014 m\u00e0 c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1eb1ng d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u01b0\u1eddng cong tu\u1ed5i th\u1ecd m\u1ecfi v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf t\u1ea1i c\u00f4ng tr\u01b0\u1eddng. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t x\u00edch l\u00e1 thang m\u00e1y x\u00e2y d\u1ef1ng c\u1ee7a ch\u00fang t\u00f4i tu\u00e2n theo m\u1ed9t tr\u00ecnh t\u1ef1 nghi\u00eam ng\u1eb7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 lo\u1ea1i b\u1ecf ba ki\u1ec3u h\u1ecfng h\u00f3c ph\u1ed5 bi\u1ebfn nh\u1ea5t th\u01b0\u1eddng th\u1ea5y \u1edf c\u00e1c s\u1ea3n ph\u1ea9m tr\u1ea3 l\u1ea1i: n\u1ee9t m\u1ecfi t\u1ea1i l\u1ed7 tr\u00ean t\u1ea5m, m\u00f2n ch\u1ed1t d\u1eabn \u0111\u1ebfn gi\u00e3n d\u00e0i v\u00e0 gi\u00f2n do \u0103n m\u00f2n.<\/p>\n

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\u2605<\/div>\n

T\u1ea5m th\u00e9p h\u1ee3p kim Boron<\/h3>\n

C\u00e1c t\u1ea5m n\u1ed1i \u0111\u01b0\u1ee3c c\u1eaft t\u1eeb th\u00e9p h\u1ee3p kim boron (th\u01b0\u1eddng l\u00e0 20MnB4 ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng). Qu\u00e1 tr\u00ecnh t\u00f4i c\u1ee9ng to\u00e0n b\u1ed9 \u0111\u1ebfn 40\u201345 HRC, ti\u1ebfp theo l\u00e0 t\u00f4i luy\u1ec7n c\u00f3 ki\u1ec3m so\u00e1t, t\u1ea1o ra s\u1ef1 k\u1ebft h\u1ee3p t\u1ed1i \u01b0u gi\u1eefa \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 d\u1ebbo dai. Sau \u0111\u00f3, c\u00e1c t\u1ea5m \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p b\u1eafn bi \u0111\u1ec3 t\u1ea1o ra \u1ee9ng su\u1ea5t n\u00e9n tr\u00ean b\u1ec1 m\u1eb7t, gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd m\u1ecfi th\u00eam 35\u201350% so v\u1edbi c\u00e1c t\u1ea5m t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y.<\/p>\n<\/div>\n

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\ud83d\udd27<\/div>\n

C\u00e1c ch\u1ed1t \u0111\u01b0\u1ee3c t\u00f4i c\u1ee9ng b\u1eb1ng c\u1ea3m \u1ee9ng<\/h3>\n

Ph\u00f4i ch\u1ed1t \u0111\u01b0\u1ee3c m\u00e0i \u0111\u1ebfn dung sai h8, t\u00f4i c\u1ee9ng b\u1eb1ng c\u1ea3m \u1ee9ng \u0111\u1ebfn 58\u201364 HRC tr\u00ean b\u1ec1 m\u1eb7t l\u00e0m vi\u1ec7c trong khi v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c l\u00f5i c\u1ee9ng h\u01a1n, sau \u0111\u00f3 \u0111\u01b0\u1ee3c m\u00e0i ho\u00e0n thi\u1ec7n \u0111\u1ebfn h6 \u0111\u1ec3 v\u1eeba kh\u00edt ch\u00ednh x\u00e1c v\u1edbi c\u00e1c l\u1ed7 tr\u00ean t\u1ea5m n\u1ed1i. Dung sai \u0111\u01b0\u1eddng k\u00ednh ch\u1ed1t \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c \u00b10,005 mm tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng u\u1ed1n cong v\u00e0 \u0111\u1eb7c t\u00ednh m\u00e0i m\u00f2n nh\u1ea5t qu\u00e1n trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1eed d\u1ee5ng c\u1ee7a x\u00edch.<\/p>\n<\/div>\n

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\ud83d\udd12<\/div>\n

C\u00e1c l\u1ef1a ch\u1ecdn b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t<\/h3>\n

C\u00e1c lo\u1ea1i x\u00edch ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c ph\u1ee7 s\u1eb5n l\u1edbp m\u1ea1 k\u1ebdm photphat. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng ven bi\u1ec3n v\u00e0 h\u00e0ng h\u1ea3i c\u1ee7a V\u01b0\u01a1ng qu\u1ed1c Anh \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 gi\u00e0n khoan ngo\u00e0i kh\u01a1i Bi\u1ec3n B\u1eafc ho\u1eb7c c\u00e1c d\u1ef1 \u00e1n v\u01b0\u1ee3t c\u1eeda s\u00f4ng Thames \u2014 ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c lo\u1ea1i x\u00edch m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng v\u00e0 m\u1ea1 \u0111i\u1ec7n k\u1ebdm-niken. C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m phun mu\u1ed1i trong 1.000 gi\u1edd theo ti\u00eau chu\u1ea9n ISO 9227 tr\u01b0\u1edbc khi th\u00e9p n\u1ec1n b\u1ecb \u1ea3nh h\u01b0\u1edfng, mang l\u1ea1i hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u1ea5t c\u1ee7a Anh.<\/p>\n<\/div>\n

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\ud83d\udccb<\/div>\n

Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c \u0111\u1ea7y \u0111\u1ee7 v\u00e0 ch\u1ee9ng t\u1eeb LOLER<\/h3>\n

M\u1ed7i s\u1ee3i x\u00edch \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n cho \u1ee9ng d\u1ee5ng n\u00e2ng h\u1ea1 t\u1ea1i V\u01b0\u01a1ng qu\u1ed1c Anh \u0111\u1ec1u bao g\u1ed3m gi\u1ea5y ch\u1ee9ng nh\u1eadn h\u1ee3p quy c\u00f3 th\u1ec3 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c \u0111\u1ebfn l\u00f4 s\u1ea3n xu\u1ea5t, bi\u00ean b\u1ea3n \u0111o \u0111\u1ed9 gi\u00e3n d\u00e0i, gi\u1ea5y ch\u1ee9ng nh\u1eadn th\u1eed t\u1ea3i tr\u1ecdng g\u1ea5p 2 l\u1ea7n t\u1ea3i tr\u1ecdng l\u00e0m vi\u1ec7c an to\u00e0n (2x WLL), v\u00e0 ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u theo ti\u00eau chu\u1ea9n EN 10204 3.1. B\u1ed9 t\u00e0i li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a LOLER 1998 v\u1ec1 h\u1ed3 s\u01a1 ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng v\u00e0 h\u01b0\u1edbng d\u1eabn c\u1ee7a HSE v\u1ec1 kho\u1ea3ng th\u1eddi gian ki\u1ec3m tra x\u00edch v\u00e0 ph\u1ee5 ki\u1ec7n n\u00e2ng h\u1ea1.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t v\u00e0 n\u0103ng l\u1ef1c thi\u1ebft k\u1ebf chu\u1ed7i cung \u1ee9ng theo y\u00eau c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i<\/h2>\n
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C\u00e1c lo\u1ea1i x\u00edch ti\u00eau chu\u1ea9n trong catalogue th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho ph\u1ea7n l\u1edbn c\u00e1c \u1ee9ng d\u1ee5ng thang m\u00e1y x\u00e2y d\u1ef1ng, nh\u01b0ng th\u1ef1c t\u1ebf c\u1ee7a vi\u1ec7c mua s\u1eafm x\u00e2y d\u1ef1ng hi\u1ec7n \u0111\u1ea1i t\u1ea1i Anh cho th\u1ea5y c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM), c\u00e1c c\u00f4ng ty cho thu\u00ea thi\u1ebft b\u1ecb v\u00e0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t thang m\u00e1y chuy\u00ean d\u1ee5ng ng\u00e0y c\u00e0ng c\u1ea7n c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u1eb7t l\u00e0m ri\u00eang. Chi\u1ec1u d\u00e0i x\u00edch, ph\u1ee5 ki\u1ec7n \u0111\u1ea7u cu\u1ed1i, c\u1ea5u h\u00ecnh ch\u1ed1t neo, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 b\u1ed9 t\u00e0i li\u1ec7u \u0111\u1ec1u kh\u00e1c nhau gi\u1eefa c\u00e1c d\u1ef1 \u00e1n v\u00e0 kh\u00e1ch h\u00e0ng. Nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng s\u1ef1 linh ho\u1ea1t n\u00e0y.<\/p>\n

Ch\u00fang t\u00f4i v\u1eadn h\u00e0nh m\u1ed9t b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt ch\u1ebf t\u1ea1o chuy\u00ean d\u1ee5ng c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t c\u00e1c chu\u1ed7i l\u00e1 v\u1edbi h\u1ea7u h\u1ebft m\u1ecdi b\u01b0\u1edbc r\u0103ng, ki\u1ec3u \u0111an v\u00e0 chi\u1ec1u d\u00e0i. C\u00f4ng ngh\u1ec7 d\u1eadp t\u1ea5m CNC cho ph\u00e9p ch\u00fang t\u00f4i c\u1eaft c\u00e1c t\u1ea5m c\u00f3 chi\u1ec1u r\u1ed9ng v\u00e0 h\u00ecnh d\u1ea1ng l\u1ed7 kh\u00f4ng ti\u00eau chu\u1ea9n trong v\u00f2ng 48 gi\u1edd \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng thay th\u1ebf kh\u1ea9n c\u1ea5p. Trung t\u00e2m ti\u1ec7n ch\u1ed1t t\u00f9y ch\u1ec9nh c\u1ee7a ch\u00fang t\u00f4i x\u1eed l\u00fd c\u00e1c \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 6 mm \u0111\u1ebfn 40 mm, bao g\u1ed3m m\u1ecdi th\u1ee9 t\u1eeb t\u1eddi gi\u00e0n gi\u00e1o h\u1ea1ng nh\u1eb9 \u0111\u1ebfn c\u00e1c chu\u1ed7i neo ch\u1ecbu t\u1ea3i n\u1eb7ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 x\u00e2y d\u1ef1ng ngo\u00e0i kh\u01a1i.<\/p>\n

\u0110\u1ed1i v\u1edbi kh\u00e1ch h\u00e0ng t\u00edch h\u1ee3p x\u00edch c\u1ee7a ch\u00fang t\u00f4i v\u00e0o c\u00e1c thi\u1ebft k\u1ebf t\u1eddi n\u00e2ng m\u1edbi, ch\u00fang t\u00f4i cung c\u1ea5p d\u1ecbch v\u1ee5 k\u1ef9 thu\u1eadt \u1ee9ng d\u1ee5ng to\u00e0n di\u1ec7n: t\u00ednh to\u00e1n tu\u1ed5i th\u1ecd m\u1ecfi, \u0111\u1ec1 xu\u1ea5t \u0111\u01b0\u1eddng k\u00ednh r\u00f2ng r\u1ecdc, thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng b\u00f4i tr\u01a1n v\u00e0 \u0111\u00e0o t\u1ea1o ki\u1ec3m tra t\u1ea1i ch\u1ed7. C\u00e1ch ti\u1ebfp c\u1eadn h\u1ee3p t\u00e1c k\u1ef9 thu\u1eadt n\u00e0y l\u00e0 \u0111i\u1ec1u l\u00e0m n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a ch\u00fang t\u00f4i so v\u1edbi c\u00e1c nh\u00e0 nh\u1eadp kh\u1ea9u h\u00e0ng h\u00f3a th\u00f4ng th\u01b0\u1eddng \u2014 ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 v\u1eadn chuy\u1ec3n x\u00edch, m\u00e0 c\u00f2n gi\u00fap b\u1ea1n \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong th\u1ef1c t\u1ebf.<\/p>\n

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\ud83d\udee1 D\u1ecbch v\u1ee5 ch\u1ebf t\u00e1c d\u00e2y chuy\u1ec1n theo y\u00eau c\u1ea7u m\u00e0 ch\u00fang t\u00f4i cung c\u1ea5p<\/h4>\n