鋼絲繩常用系數(shù)

1、鋼絲繩常用數(shù)據(jù)鋼絲繩最大許用拉力計算(1)拉力計算公式：RSR < P/K公式中 RS 鋼絲繩允許用拉力(KN)P 鋼絲繩破斷拉力(KNK 鋼絲繩的安全系數(shù)(2)鋼絲繩安全系數(shù)：用途安全系數(shù)用途安全系數(shù)作纜風(fēng)繩3.5作吊索無彎曲時67用于手動起重4.5作捆綁吊索810用于機(jī)械起重56用于載人升降機(jī)14(3)鋼絲繩破斷拉力1、 6X19鋼絲繩破斷拉力直 徑鋼絲繩的抗拉力強(qiáng)度鋼絲繩/mm鋼絲/mm14001550170018502000鋼絲繩的破斷拉力總和/KN6.20.420.0022.1024.3026.428.607.70.531.3034.6038.0041.3044.709.30.

2、645.1049.6054.7059.6064.4011.00.761.3067.9074.5081.1087.7012.50.880.1088.7097.30105.50114.5014.00.9101.00112.00123.00134.00144.5015.51.0125.00138.50152.00165.50178.5017.01.1151.50167.50184.00200.00216.5018.51.2180.00199.50219.00238.00257.5020.01.3211.50234.00257.00279.50302.0021.51.4245.50271.50298.

3、00324.00350.5023.01.5281.50312.00342.00372.00402.5024.51.6320.50355.00389.00423.50458.0026.01.7362.00400.50439.50478.00517.0028.01.8405.50499.00492.50536.00579.5031.02.0501.00554.50608.50662.00715.5034.02.2606.00671.00736.00801.00一37.02.4721.50798.50876.00953.50一40.02.6846.50937.501025.001115.00一2、6

4、X37鋼絲繩破斷拉力直 徑鋼絲繩的抗拉力強(qiáng)度鋼絲繩/mm鋼絲/mm14001550170018502000鋼絲繩的破斷拉力總和/KN8.70.439.0043.2047.3051.5055.7011.00.560.0067.5074.0080.6087.1013.00.687.8097.20106.50116.00125.0015.00.7119.50132.00145.00157.50170.5017.50.8156.00172.50189.50206.00223.0019.50.9197.50218.50239.50261.00282.0021.51.0243.50270.00296.00

5、322.00348.5024.01.1295.00326.50358.00390.00421.5026.01.2351.00388.50426.50464.00501.5028.01.3412.00456.50500.50544.50589.0030.01.4478.00529.00580.50631.50683.0032.51.5548.50607.50666.50725.00784.0034.51.6624.50691.50758.00825.00892.0036.51.7705.00780.50856.00931.501005.0039.01.8790.00875.00959.50104

6、0.001125.0043.02.0975.501080.001185.001285.001390.0047.02.21180.001305.001430.001560.00一52.02.41405.001555.001705.001855.00一56.02.61645.001825.002000.002175.00一3、6X61鋼絲繩破斷拉力直 徑鋼絲繩的抗拉力強(qiáng)度鋼絲繩/mm鋼絲/mm14001550170018502000鋼絲繩的破斷拉力總和/KN11.00.464.3071.2078.1085.0091.9014.00.5100.50111.00122.00132.50143.5016

7、.50.6144.50160.00175.50191.00206.5019.50.7197.00218.00239.00260.00281.5022.00.8257.00285.00312.50340.00367.5025.00.9325.00360.00395.50430.50465.0027.51.0402.00445.00488.00531.50574.5030.51.1486.50538.00591.00643.00695.0033.01.2579.00641.00703.00765.00827.0036.01.3679.00752.50825.00898.00971.0038.51.

8、4788.00872.50957.001040.001125.0041.51.5905.001000.001095.001195.001290.0044.01.61025.001140.001250.001360.001470.0047.01.71160.001285.001410.001535.001660.0050.01.81300.001400.001580.001720.001860.0055.52.01605.001780.001950.002125.002295.0061.02.21945.002155.002360.002570.00一66.52.42315.002565.002

9、810.003060.00一72.02.62715.003010.003300.003590.00一鋼絲繩報廢標(biāo)準(zhǔn)(1)、鋼絲繩直徑減少，當(dāng)直徑磨損不超過 30%,可允許降低拉力使用，如 果超過30%,要進(jìn)行報廢處理。(2)、鋼絲繩經(jīng)過長期使用后，由于受自然條件和化學(xué)腐蝕，當(dāng)整個鋼絲繩外表面受腐蝕的麻面，從外觀檢查明顯時，則該鋼絲繩已不能使用。另一方面，整根鋼絲繩纖維芯被擠出，使鋼絲繩結(jié)構(gòu)受到破壞時，也不能繼續(xù)使用。(3)、鋼絲斷絲后的報廢標(biāo)準(zhǔn)，見下表。鋼絲繩的最初安全系數(shù)鋼絲繩結(jié)構(gòu)6X 19+16X37+16X61 + 1在一扣距全長中拉斷鋼絲繩根數(shù)交互捻同向捻交互捻同向捻交互捻同向捻6以下

10、1262211361867147361338197以上16840154020破斷拉力計算 Breaking force calculation: Fo = K' D2 Ro/1000Fo 鋼絲繩最小破斷拉力，單位為 kN;Minimum breaking load of wire rope (kN)D 一 鋼絲繩公稱直徑，單位為mm;Nominal diameter of wire rope (mm)Ro 一鋼絲繩公稱抗拉強(qiáng)度，單位為 MPa;Nominal tensile strength of wire rope (MPa).K'一某一指定結(jié)構(gòu)鋼絲繩的最小破斷拉力系數(shù)(見表一表二)Minimum breaking load coefficient of wire rope (see list 1 and list 2).重量計算 Weight calculation: M = K - D2M 一 鋼絲繩單位長度的參考重量，單位為：kg/100m;Reference weight of unit length of wire rope (kg/100m)D 一 鋼絲繩的公稱直徑，單位為 mm; No