ПРИЛОЖЕНИЯ. Наименьший допускаемый коэффициент запаса прочности такелажных средств К3
Приложение 1
Наименьший допускаемый коэффициент запаса прочности такелажных средств К3
| Назначение каната | Коэффициент запаса прочности |
| 1. Грузовые канаты: a. а) ручным приводом б) с машинным приводом: для мелкого режима работы среднего режима работы тяжелого режима работы | 4,0 5,0 5,5 6,0 |
| 2. Канаты для полиспастов грузоподъемностью: от 5 до 50 т от 50 до 100 т свыше 100 т | 4,0–5,0 3,5–4,0 3,0–3,5 |
| 2. Стропы | 5,0–6,0 |
| 3. Расчалки, оттяжки | 3,0–5,0 |
Приложение 2
Канаты стальные
| Диаметр каната, мм | Масса 1000 м каната, кг | Временное сопротивление разрыву, МПа | ||||
| Разрывное усилие, кН | ||||||
| Канат типа ЛК-РО 6×36+1о.с. (ГОСТ 7668–80) | ||||||
| 13, 5 | – | 90,6 | 96,3 | 101,5 | 109,0 | |
| 15,0 | – | 104,5 | 111,5 | 116,5 | 128,0 | |
| 16,5 | – | 135,5 | 144,0 | 150,0 | 165,0 | |
| 18,0 | – | 161,5 | 171,5 | 175,5 | 190,5 | |
| 20,0 | – | 197,5 | 210,0 | 215,0 | 233,5 | |
| 22,0 | 207,5 | 237,5 | 252,5 | 258,5 | 280,5 | |
| 23,5 | 242,5 | 277,0 | 294,0 | 304,0 | 338,0 | |
| 25,5 | 283,5 | 324,0 | 344,0 | 352,5 | 383,0 | |
| 27,0 | 318,5 | 364,5 | 387,5 | 396,5 | 430,5 | |
| 29,0 | 366,0 | 417,5 | 444,0 | 454,5 | 493,5 | |
| 31,0 | 416,0 | 475,0 | 505,0 | 517,0 | 561,5 | |
| 33,0 | 473,0 | 540,5 | 574,5 | 588,0 | 638,5 | |
| 34,5 | 518,0 | 592,0 | 629,5 | 644,5 | 700,0 | |
| 36,5 | 565,5 | 646,0 | 686,5 | 703,5 | 764,0 | |
| Продолжение прил. 2 | ||||||
| Диаметр каната, мм | Масса 1000 м каната, кг | Временное сопротивление разрыву, МПа | ||||
| Разрывное усилие, кН | ||||||
| 39,5 | 692,5 | 791,5 | 841,0 | 861,0 | 935,0 | |
| 42,0 | 768,5 | 878,5 | 933,5 | 955,5 | 1030,0 | |
| 43,0 | 806,5 | 919,5 | 976,0 | 1005,0 | 1080,0 | |
| 44,5 | 885,0 | 1005,0 | 1065,0 | 1095,0 | 1185,0 | |
| 46,5 | 956,5 | 1090,0 | 1160,0 | 1180,0 | 1280,0 | |
| 50,5 | 1130,0 | 1290,0 | 1370,0 | 1400,0 | 1510,0 | |
| 53,5 | 1265,0 | 1455,0 | 1540,0 | 1570,0 | 1705,0 | |
| 56,0 | 1365,0 | 1560,0 | 1640,0 | 1715,0 | – | |
| 58,5 | 1470,0 | 1685,0 | 1730,0 | 1790,0 | – | |
| 60,5 | 1625,0 | 1855,0 | 1915,0 | 1970,0 | – | |
| 63,0 | 1725,0 | 1970,0 | 2020,0 | 2085,0 | – | |
| Канат типа ЛК-Р 6×19+1 о.с. (ГОСТ 2688–80) | ||||||
| 11,0 | – | 62,9 | 66,8 | 68,8 | 75,2 | |
| 12,0 | – | 71,8 | 76,2 | 78,6 | 85,8 | |
| 13,0 | 71,1 | 81,3 | 86,3 | 89,0 | 97,0 | |
| 14,0 | 86,7 | 99,0 | 105,0 | 108,0 | 118,0 | |
| 15,0 | 100,0 | 114,5 | 122,0 | 125,5 | 137,0 | |
| 16,5 | 121,5 | 139,0 | 147,5 | 152,0 | 166,0 | |
| 18,0 | 145,0 | 166,0 | 176,0 | 181,0 | 198,0 | |
| 19,5 | 167,0 | 191,0 | 203,0 | 209,0 | 228,0 | |
| 21,0 | 194,5 | 222,0 | 236,0 | 243,5 | 265,5 | |
| 22,5 | 220,0 | 251,0 | 267,0 | 275,0 | 303,5 | |
| 24,0 | 250,5 | 287,0 | 304,5 | 314,0 | 343,0 | |
| 25,5 | 284,0 | 324,5 | 345,0 | 355,5 | 388,5 | |
| 27,0 | 319,0 | 365,0 | 388,0 | 399,5 | 436,5 | |
| 28,0 | 346,5 | 396,0 | 421,0 | 434,0 | 473,5 | |
| 30,5 | 415,5 | 475,0 | 504,5 | 520,0 | 567,5 | |
| 32,0 | 458,0 | 523,5 | 556,0 | 573,0 | 625,5 | |
| 33,5 | 502,5 | 574,0 | 610,5 | 629,0 | 686,0 | |
| 37,0 | 597,5 | 683,0 | 725,0 | 748,0 | 816,0 | |
| 39,5 | 684,0 | 781,5 | 828,0 | 856,0 | 938,0 | |
| 42,0 | 779,0 | 890,0 | 945,0 | 975,0 | 1060,0 | |
| 44,5 | 880,5 | 1000,0 | 1035,0 | 1075,0 | – | |
| 47,5 | 1000,0 | 1145,0 | 1185,0 | 1230,0 | – | |
| 51,0 | 1135,0 | 1295,0 | 1340,0 | 1395,0 | – | |
| 56,0 | 1385,0 | 1580,0 | 1635,0 | 1705,0 | – | |
| Продолжение прил. 2 | ||||||
| Диаметр каната, мм | Масса 1000 м каната, кг | Временное сопротивление разрыву, МПа | ||||
| Разрывное усилие, кН | ||||||
| Канат типа ТЛК–О 6×37+1 о.с. (ГОСТ 3079–80) | ||||||
| 11,5 | 468,0 | – | 62,6 | 66,5 | 68,8 | 74,6 |
| 13,5 | 662,5 | – | 88,7 | 94,2 | 97,1 | 105,5 |
| 15,5 | 851,5 | – | 113,5 | 121,0 | 124,0 | 136,0 |
| 17,0 | 1065,0 | – | 142,0 | 151,0 | 155,5 | 170,0 |
| 19,5 | 1350,0 | 157,5 | 180,0 | 191,5 | 197,0 | 215,5 |
| 21,5 | 1670,0 | 195,0 | 222,5 | 237,0 | 244,5 | 266,5 |
| 23,0 | 1930,0 | 225,0 | 258,0 | 274,0 | 283,0 | 307,0 |
| 25,0 | 2245,0 | 262,5 | 300,0 | 318,5 | 328,5 | 358,5 |
| 27,0 | 2650,0 | 310,0 | 354,5 | 376,5 | 388,5 | 423,5 |
| 29,0 | 3015,0 | 353,0 | 403,5 | 428,5 | 441,5 | 482,0 |
| 30,5 | 3405,0 | 398,5 | 455,5 | 484,0 | 499,0 | 544,5 |
| 33,0 | 3905,0 | 457,0 | 522,0 | 555,0 | 571,5 | 624,0 |
| 35,0 | 4435,0 | 519,0 | 590,0 | 630,5 | 650,0 | 709,0 |
| 39,0 | 5395,0 | 632,0 | 722,0 | 767,0 | 791,0 | 863,0 |
| 43,0 | 6675,0 | 781,5 | 893,0 | 949,0 | 980,0 | 1065,0 |
| 47,0 | 7845,0 | 918,5 | 1045,0 | 1110,0 | 1145,0 | 1250,0 |
| 50,0 | 9110,0 | 1060,0 | 1215,0 | 1290,0 | 1330,0 | 1455,0 |
| 52,0 | 9910,0 | 1155,0 | 1320,0 | 1405,0 | 1455,0 | 1575,0 |
| 54,0 | 106000,0 | 1235,0 | 1415,0 | 1500,0 | 1550,0 | 1695,0 |
| 56,0 | 11450,0 | 1335,0 | 1525,0 | 1620,0 | 1675,0 | 1830,0 |
| 58,0 | 12050,0 | 1510,0 | 1610,0 | 1715,0 | 1765,0 | 1925,0 |
| 62,0 | 13950,0 | 1630,0 | 1860,0 | 1930,0 | 2000,0 | – |
| 66,5 | 16450,0 | 1925,0 | 2195,0 | 2275,0 | 2360,0 | – |
| 71,0 | 19200,0 | 2245,0 | 2565,0 | 2665,0 | 2750,0 | – |
| 75,0 | 21150,0 | 2470,0 | 2830,0 | 2940,0 | 3030,0 | – |
| Канат типа ЛК–О 6×19+1 о.с. (ГОСТ 3077–80) | ||||||
| 10,5 | 387,5 | – | 53,7 | 55,9 | 57,7 | 62,9 |
| 11,5 | 487,0 | – | 66,2 | 70,3 | 72,5 | 79,1 |
| 12,0 | 530,0 | – | 72,0 | 76,5 | 78,9 | 86,1 |
| 13,0 | 597,3 | – | 81,1 | 86,2 | 88,7 | 96,8 |
| 14,0 | 719,0 | – | 97,8 | 103,5 | 106,5 | 116,5 |
| 15,0 | 852,5 | – | 115,5 | 122,5 | 126,5 | 138,0 |
| 16,5 | 996,5 | 118,0 | 135,0 | 143,5 | 147,5 | 161,5 |
| 17,5 | 1155,0 | 136,5 | 156,0 | 166,0 | 171,5 | 187,0 |
| 19,5 | 1370,0 | 162,5 | 183,0 | 197,0 | 203,5 | 221,5 |
Окончание прил. 2
| Диаметр каната, мм | Масса 1000 м каната, кг | Временное сопротивление разрыву, МПа | ||||
| Разрывное усилие, кН | ||||||
| 23,0 | 1950,0 | 231,0 | 264,5 | 281,0 | 289,5 | 316,0 |
| 25,5 | 2390,0 | 284,0 | 324,5 | 344,5 | 355,5 | 388,0 |
| 28,0 | 2880,0 | 342,0 | 391,0 | 415,5 | 428,0 | 466,5 |
| 30,5 | 3410,0 | 405,0 | 463,5 | 492,0 | 507,5 | 535,0 |
| 32,5 | 3990,0 | 474,0 | 541,5 | 575,5 | 593,0 | 647,0 |
| 35,0 | 4610,0 | 548,0 | 626,5 | 665,5 | 686,0 | 748,5 |
| 37,0 | 5035,0 | 598,5 | 684,0 | 726,5 | 749,0 | 815,0 |
| 39,0 | 5475,0 | 651,0 | 744,0 | 790,5 | 815,0 | 886,5 |
| 40,0 | 5830,0 | 693,5 | 792,5 | 841,0 | 863,0 | – |
Приложение 3
Расчетное сопротивление прокатной стали
| Напряженное состояние | Условное обозначение | Расчетное сопротивление, МПа | |||
| Ст. 3 | Ст.5 | Сталь 45 | Сталь40Х | ||
| 1. Растяжение, сжатие, изгиб 2. Срез | R Rср |
Приложение 4
Дата добавления: 2014-12-18; просмотров: 1385;