{"id":4351,"date":"2025-01-14T16:23:12","date_gmt":"2025-01-14T08:23:12","guid":{"rendered":"https:\/\/steeltubespareparts.com\/?p=4351"},"modified":"2025-02-27T20:21:14","modified_gmt":"2025-02-27T12:21:14","slug":"how-does-a-hydraulic-cylinder-work","status":"publish","type":"post","link":"https:\/\/steeltubespareparts.com\/vi\/how-does-a-hydraulic-cylinder-work\/","title":{"rendered":"Xi lanh th\u1ee7y l\u1ef1c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"

Xi lanh th\u1ee7y l\u1ef1c l\u00e0 \u0111\u1ed9ng l\u1ef1c cho nhi\u1ec1u m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p, gi\u00fap ch\u00fang ch\u1ea1y tr\u01a1n tru h\u01a1n. Ti\u1ebfp theo, ch\u00fang ta s\u1ebd ch\u1ee7 y\u1ebfu th\u1ea3o lu\u1eadn v\u1ec1 xi lanh th\u1ee7y l\u1ef1c. Ch\u1ee7 y\u1ebfu gi\u1edbi thi\u1ec7u c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u01b0 thanh truy\u1ec1n, piston, m\u1ea1 cr\u00f4m, v.v.<\/p>\n\n\n\n

\"\u1ed1ng<\/a>
\u1ed1ng th\u00e9p m\u00e0i cho \u1ed1ng th\u1ee7y l\u1ef1c<\/figcaption><\/figure>\n\n\n\n

Xi lanh th\u1ee7y l\u1ef1c l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Xi lanh th\u1ee7y l\u1ef1c l\u00e0 m\u1ed9t b\u1ed9 truy\u1ec1n \u0111\u1ed9ng c\u01a1 h\u1ecdc trong h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng th\u1ee7y l\u1ef1c. N\u00f3 ch\u1ee7 y\u1ebfu chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng th\u1ee7y l\u1ef1c th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc. N\u00f3 cung c\u1ea5p l\u1ef1c m\u1ed9t chi\u1ec1u. Xi lanh th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 m\u00e1y m\u00f3c x\u00e2y d\u1ef1ng, m\u00e1y m\u00f3c n\u00f4ng nghi\u1ec7p, xe k\u1ef9 thu\u1eadt v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p.

Ban \u0111\u1ea7u, xi lanh th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c d\u1ef1 \u00e1n n\u00e2ng v\u1eadt n\u1eb7ng. B\u00e2y gi\u1edd, ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed9ng ch\u00ednh x\u00e1c trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau t\u1eeb m\u00e1y m\u00f3c \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn xe c\u1ed9. T\u00ednh linh ho\u1ea1t c\u1ee7a ch\u00fang ph\u1ea7n l\u1edbn l\u00e0 do c\u1ea5u tr\u00fac v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a ch\u00fang.<\/p>\n\n\n\n

C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a xi lanh th\u1ee7y l\u1ef1c<\/h2>\n\n\n\n

C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a xi lanh th\u1ee7y l\u1ef1c bao g\u1ed3m: n\u00f2ng xi lanh, thanh piston, piston, n\u1eafp \u0111\u1ea7u, ph\u1edbt, v.v.

Th\u00f9ng xi lanh<\/strong>
C\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh c\u1ee7a xi lanh th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng \u1ed1ng m\u00e0i. D\u00f9ng \u0111\u1ec3 d\u1eabn d\u1ea7u th\u1ee7y l\u1ef1c v\u00e0 cung c\u1ea5p k\u00eanh chuy\u1ec3n \u0111\u1ed9ng cho thanh piston.

P\u00edt t\u00f4ng<\/strong>
N\u1eb1m b\u00ean trong xi lanh, n\u00f3 chia khoang b\u00ean trong c\u1ee7a xi lanh th\u00e0nh hai khoang \u0111\u1ed9c l\u1eadp v\u00e0 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a piston \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi \u00e1p su\u1ea5t th\u1ee7y l\u1ef1c, t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng th\u1eb3ng ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng h\u01b0\u1edbng l\u00ean.

Thanh piston m\u1ea1 cr\u00f4m<\/strong>
\u0110\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u0111\u1ea7u piston, d\u00f9ng \u0111\u1ec3 \u0111\u01b0a chuy\u1ec3n \u0111\u1ed9ng c\u01a1 h\u1ecdc ra ngo\u00e0i v\u00e0 k\u1ebft n\u1ed1i v\u1edbi t\u1ea3i tr\u1ecdng b\u00ean ngo\u00e0i.

L\u1eafp r\u00e1p n\u1eafp cu\u1ed1i<\/strong>
\u1ed0ng d\u1eabn h\u01b0\u1edbng t\u00edch h\u1ee3p v\u00e0 h\u1ec7 th\u1ed1ng ni\u00eam phong, k\u1ebft n\u1ed1i b\u00edch ho\u1eb7c ren. Ph\u1edbt ch\u1ed1ng b\u1ee5i \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. Ng\u0103n ch\u1eb7n r\u00f2 r\u1ec9 d\u1ea7u th\u1ee7y l\u1ef1c

Ni\u00eam phong<\/strong>
\u0111\u01b0\u1ee3c l\u1eafp gi\u1eefa piston v\u00e0 n\u00f2ng xi lanh v\u00e0 \u1edf n\u1eafp cu\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng.<\/p>\n\n\n\n

\"B\u1ea3n<\/a>
B\u1ea3n v\u1ebd th\u00e0nh ph\u1ea7n xi lanh th\u1ee7y l\u1ef1c<\/figcaption><\/figure>\n\n\n\n

T\u1ea1i sao n\u00ean ch\u1ecdn thanh m\u1ea1 crom c\u1ee9ng?<\/h2>\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn thanh m\u1ea1 cr\u00f4m s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n c\u1ee7a xi lanh. C\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a cr\u00f4m t\u1ea1o ra l\u1edbp ch\u1ed1ng \u0103n m\u00f2n, h\u01b0 h\u1ecfng v\u00e0 m\u00e0i m\u00f2n.<\/p>\n\n\n\n

M\u1ed9t chuy\u00ean gia trong ng\u00e0nh cho bi\u1ebft: "Thanh m\u1ea1 cr\u00f4m c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh".<\/p>\n\n\n\n

Xi lanh th\u1ee7y l\u1ef1c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

Xi lanh th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng th\u00e0nh l\u1ef1c c\u01a1 h\u1ecdc tuy\u1ebfn t\u00ednh v\u00e0 chuy\u1ec3n \u0111\u1ed9ng. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng \u00e1p su\u1ea5t th\u1ee7y l\u1ef1c, c\u00e1c l\u1ef1c n\u00e0y c\u00f3 th\u1ec3 di chuy\u1ec3n ch\u00ednh x\u00e1c c\u00e1c v\u1eadt n\u1eb7ng.

T\u00ednh n\u0103ng ki\u1ec3m so\u00e1t l\u1ef1c d\u1ecbch chuy\u1ec3n ch\u00ednh x\u00e1c n\u00e0y cho ph\u00e9p s\u1eed d\u1ee5ng thanh piston trong m\u00e1y m\u00f3c x\u00e2y d\u1ef1ng (m\u00e1y x\u00fac, c\u1ea7n c\u1ea9u), thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p (nh\u01b0 m\u00e1y c\u00e1n, m\u00e1y \u0111\u00fac khu\u00f4n) v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c.<\/p>\n\n\n\n

S\u1eeda ch\u1eefa xi lanh th\u1ee7y l\u1ef1c nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

Khi xi lanh th\u1ee7y l\u1ef1c ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian d\u00e0i, hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 s\u1ebd gi\u1ea3m. B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n k\u1ebf ho\u1ea1ch b\u1ea3o tr\u00ec ph\u00f2ng ng\u1eeba, t\u1ef7 l\u1ec7 h\u1ecfng h\u00f3c c\u1ee7a xi lanh th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 gi\u1ea3m h\u01a1n 60%.<\/p>\n\n\n\n

Ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9:<\/strong> Theo d\u00f5i \u0111\u01b0\u1eddng cong \u00e1p su\u1ea5t-th\u1eddi gian. Khi \u00e1p su\u1ea5t h\u1ec7 th\u1ed1ng gi\u1ea3m h\u01a1n 15%, c\u00f3 th\u1ec3 c\u00f3 v\u1ea5n \u0111\u1ec1 r\u00f2 r\u1ec9.
T\u00ecnh tr\u1ea1ng hao m\u00f2n:<\/strong> S\u1eed d\u1ee5ng \u1ed1ng n\u1ed9i soi \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 m\u00f2n c\u1ee7a ph\u1edbt piston v\u00e0 ph\u1edbt thanh truy\u1ec1n.
Thay th\u1ebf ph\u1edbt:<\/strong> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 l\u1eafp \u0111\u1eb7t chuy\u00ean d\u1ee5ng \u0111\u1ec3 thay th\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ec7m k\u00edn th\u01b0\u1eddng xuy\u00ean.
S\u1eeda ch\u1eefa ch\u00ednh x\u00e1c:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c thanh b\u1ecb bi\u1ebfn d\u1ea1ng nh\u1eb9, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y n\u1eafn th\u1eb3ng th\u1ee7y l\u1ef1c \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh ngu\u1ed9i.<\/p>\n\n\n\n

\"nh\u00e0<\/a>
nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eeda ch\u1eefa xi lanh th\u1ee7y l\u1ef1c<\/figcaption><\/figure>\n\n\n\n

L\u1ef1a ch\u1ecdn thanh xy lanh ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn xi lanh th\u1ee7y l\u1ef1c li\u00ean quan \u0111\u1ebfn vi\u1ec7c xem x\u00e9t tr\u1ecdng t\u1ea3i<\/strong>, s\u1ee9c m\u1ea1nh<\/strong>v\u00e0 c\u1ee5 th\u1ec3 y\u00eau c\u1ea7u<\/strong> c\u1ee7a \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n. k\u00edch c\u1ee1<\/strong>, chi\u1ec1u d\u00e0i<\/strong>, V\u00e0 \u0111\u01b0\u1eddng k\u00ednh<\/strong> ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c.<\/p>\n\n\n\n

Nh\u1eefng c\u00e2n nh\u1eafc ch\u00ednh<\/h3>\n\n\n\n