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. | KYÕ THUAÄT NAÂNG - VAÄN CHUYEÅN CHÖÔNG 3 DAÂY amp CAÙC CHI TIEÁT QUAÁN HÖÔÙNG DAÂY WIRE ROBES AND CHAINS FOR HOISTING AND HAULAGE. LIFTING TACKLE DRUM SHEAVES SPROCKETS Chapter III 1 https 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 https 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 https tailieudientucntt 1. DAÂY CAÙP THEÙP tt wire rope Beän keùp Chapter III 4 https tailieudientucntt 1. DAÂY CAÙP THEÙP tt wire rope Chapter III 5 https tailieudientucntt 1. DAÂY CAÙP THEÙP tt wire rope Caáu taïo theo chieàu cuoán LLL 20rope LRL 20rope RLL 20rope Chapter III RRL 20rope 6 https 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 https 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 .
