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Bài giảng Kỹ thuật nâng & vận chuyển - Chương 3: Dây & các chi tiết quấn, hướng dây (Wire robes and chains for hoisting and haulage - Lifting tackle, drum, sheaves, sprockets)

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Bài giảng Kỹ thuật nâng & vận chuyển - Chương 3: Dây & các chi tiết quấn, hướng dây (Wire robes and chains for hoisting and haulage - Lifting tackle, drum, sheaves, sprockets). Những nội dung chính trong chương này gồm có: dây cáp thép (wire rope), xích (chains), tang cuốn cáp (drums), puly (sheaves), palăng (lifting tackles). Mời các bạn cùng tham khảo.

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Nội dung Text: Bài giảng Kỹ thuật nâng & vận chuyển - Chương 3: Dây & các chi tiết quấn, hướng dây (Wire robes and chains for hoisting and haulage - Lifting tackle, drum, sheaves, sprockets)

KYÕ THUAÄT NAÂNG - VAÄN CHUYEÅN CHÖÔNG 3 DAÂY & CAÙC CHI TIEÁT QUAÁN, HÖÔÙNG DAÂY (WIRE ROBES AND CHAINS FOR HOISTING AND HAULAGE. LIFTING TACKLE, DRUM, SHEAVES, SPROCKETS) Chapter III 1 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (wire rope) Caáu taïo: -Cheá taïo töø nhöõng sôïi theùp saùng hay traùng keõm ñöôøng kính töø 0,2-3mm ñaõ ñöôïc hoùa cöùng Chapter III 2 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope)  Keát caáu  Tuøy theo caùch beän:  Tuøy theo tình traïng tíeâp xuùc : -Beän ñôn -Tieáp xuùc ñöôøng -Beän keùp -Tieáp xuùc ñieåm -Beän ba lôùp  Tuøy theo chieàu cuoán : -Beän xuoâi - beän cheùo - Beän toång hôïp Chapter III 3 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) •Beän keùp Chapter III 4 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) Chapter III 5 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) Caáu taïo theo chieàu cuoán LLL %20rope LRL %20rope RLL %20rope Chapter III RRL %20rope 6 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope)  Tính vaø choïn daây 1. Individual wires, the ropes – an object of intricate construction- is composed of, are subject to various stresses in service (contact, tension, bending, and twisting) 2. A mathematical treatment of all the factors controlling the wires of rope is practical impossible 3. Codes used in rope design are based on factors of maximum rope tension, and safety 4. Ropes are selected from applicable standards, using the relationship S n . S max S d d Chapter III 7 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope)  Söû duïng caùp -Caùp thöôøng khoâng ñöùt töùc thôøi. -Chæ loïai boû caùp khi soá sôïi ñöùt caùp treân moät böôùc daøi vöôït soá sôïi cho pheùp Heä soá Keát caáu caùp an 6 x 19 = 114 sôïi 6 x 37 = 222 sôïi toaøn Beän Beän Beän Beän xuoâi cheùo xuoâi cheùo 6 6 12 11 22 6 7 14 13 26 7 8 16 15 30 Chapter III 8 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope)  Noái ñaàu daây vôùi chi tieát khaùc (Attachment of ropes to machinery parts) Chapter III 9 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) •Söû duïng ñuùng caùp Chapter III 10 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) Chapter III 11 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) Chapter III 12 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) Chapter III 13 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) Chapter III 14 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) Chapter III 15 CuuDuongThanCong.com https://fb.com/tailieudientucntt
1. DAÂY CAÙP THEÙP (tt) (wire rope) Phöông phaùp coá ñònh ñaàu caùp treân tang Chapter III 16 CuuDuongThanCong.com https://fb.com/tailieudientucntt
2. XÍCH (chains)  Xích haøn (welded) -These are widely used in hoisting installation as pliable members -Welded chains fall in to ordinary type and calibrated one differing by the accuracy of fabrication Xích baûn leà ( roller chains) -Roller chains consist of steel plates hinge- joined by pins -Normally the chains are tested by the manufacturer with a load equal to half the breaking one -Roller chains are ore reliable than welded - Roller chains are heavier and more costly then welded ones Chapter III 17 CuuDuongThanCong.com https://fb.com/tailieudientucntt
3. TANG CUOÁN CAÙP (drums)  Muïc ñích:  Phaân loaïi: Tang truï. Tang coân. Tang ma saùt.  Caáu taïo, cheá taïo: Moät lôùp, nhieàu lôùp. Coù raõnh, khoâng coù raõnh. Ñuùc haøn. Chapter III 18 CuuDuongThanCong.com https://fb.com/tailieudientucntt
3. TANG CUOÁN CAÙP( tt) : 1. Tang truï. -Distinction is made between drums spooling the rope in one layer and those on which the rope is wound is more than one layer - The winding face of drum is made smooth or provided machined helical grooves Caùc thoâng soá cô baûn : L,t, D Chapter III 19 CuuDuongThanCong.com https://fb.com/tailieudientucntt
3. TANG CUOÁN CAÙP( tt) : Chapter III 20 CuuDuongThanCong.com https://fb.com/tailieudientucntt

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