钢丝绳破断拉力参数.docx

1、钢丝绳破断拉力参数1 钢丝绳重量及最小破断拉力计算1.1 重量重量钢丝绳参考重量按下式计算：式中： 钢丝绳单位长度的参考重量， kg/100m； 钢丝绳的公称直径， mm； 充分涂油的某一结构钢丝绳单位长度 的重量系数，K值在表1给出。 kg/100mm2。1.2 破断拉力钢丝绳实测破断拉力应不低于表24的规定。钢丝绳最小破断拉力用kN表示，并按下式计算：式中： 钢丝绳最小破断拉力， kN； 钢丝绳的公称直径， mm； 钢丝绳公称抗拉强度， Mpa； 某一指定结构钢丝绳的最小拉力，系数（值见表1）。表1 钢丝绳重量系数和最小破断拉力系数组别类别钢丝绳重量系数最小破断拉力系数天然纤维芯钢丝绳合成

2、纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳kg/100mm21670.3510.3440.3870.3320.3591.0826190.3800.3710.4181.101.130.3300.3561.08363748190.3570.3440.4351.221.260.2930.3461.18583761870.3900.4301.101.100.3100.3281.067181983470.3900.4301.101.100.3080.3181.03935W70.4600.360106V70.4120.4040.4371.061.080.3750.3981.06116V190.4050.

3、3970.4291.061.080.3600.3821.06126V37134V390.4100.4020.360146Q19+6V210.4100.4020.3601.3 力学性能1.3.1 第一组67类直径836mm直径1436mm表2 第一组67类力学性能钢丝绳结构：67+FC67+IWS69W+FC69W+IWR钢丝绳公称直径钢丝绳参考重量（kg/100m）钢丝绳公称抗拉强度/MPa15701670177018701960钢丝绳最小破断拉力/kND/mm允许偏差/%天然纤维芯钢丝绳合成纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢

4、芯钢丝绳纤维芯钢丝绳钢芯钢丝绳822.522.024.833.436.135.538.437.640.739.743.041.645.0928.427.931.342.245.744.948.647.651.550.354.452.757.01035.134.438.752.156.455.460.058.863.562.167.165.170.41142.541.646.863.168.267.172.571.176.975.181.278.785.11250.549.555.775.181.2179.886.384.691.589.496.793.71011359.358.165.488.

5、195.393.710199.31071051131101191468.867.475.91021101091181151251221321281381689.988.199.11331441421531501631591721671801811411112516918318019419020612012182112282014013815520822522224023525424826926028122170166187252273268290284308300325315341242021982233003523193455338366358387375405262372332623523

6、8137540539743042045444047628275270303409442435470461498487526510552303163103484695074995405295725596045866333235935239653457756861460265163668766672134406398447603652641693679735718776752813364554465026767307197777628248058708439121.3.2 第二组619类直径1236mm直径1240mm表3 第一组619类力学性能钢丝绳结构：619S+FC619S+IWR619W+

7、FC619W+IWR钢丝绳公称直径钢丝绳参考重量（kg/100m）钢丝绳公称抗拉强度/MPa15701670177018701960钢丝绳最小破断拉力/kND/mm允许偏差/%天然纤维芯钢丝绳合成纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳1253.151.858.474.680.579.485.684.190.788.995.993.11001362.360.868.587.694.593.110098.71061041131091181472.270.579.5102110108117114124121

8、1301271371694.492.110413314314115215016115817016617918119117131168181179193189204200216210226201471441622072242202382342522472662592792217817419625127126728828330429932231333824+52122072342983223173423363633553833734022602492432743503783734023954264174504374722828928231840643843246645849448452250754

9、7303323243654665034965355265675555995826283237736941553157256460959864563268266271534426416469599646637687675728713770748807364784665256717247147707578178008638389043853252058574880779685884391089196193410104059057864982989488295193510109871070103011201.3.3 第三组637类直径1244mm直径2040mm直径2246mm直径1244mm直径2

10、040mm直径2246mm直径1444mm直径1860mm直径2060mm直径3256mm直径3660mm直径3664mm表4 第一组637类力学性能钢丝绳结构：625Fi+FC625Fi+IWR626WS+FC626WS+IWR629Fi+FC629Fi+IWR631WS+FC631WS+IWR636WS+FC636WS+IWR637S+FC637S+IWR641WS+FC641WS+IWR649SWS+FC649SWS+IWR655SWS+FC655SWS+IWR钢丝绳公称直径钢丝绳参考重量（kg/100m）钢丝绳公称抗拉强度/MPa15701670177018701960钢丝绳最小破断拉

11、力/kND/mm允许偏差/%天然纤维芯钢丝绳合成纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳1254.753.460.274.680.579.485.684.190.788.995.993.11001364.262.770.687.694.593.110098.71061041131091181474.572.781.91021101081171141241211301271371697.395.01071331431411521501611581701661791812312013516818117919

12、318920420021621022620152148167207224220238234252247266259279221841802022512712672882833052993223133382421921424129832231734233636335538337340226257251283350378373402395426417450437472282982913284064384324664584944845225075473034233437646650349653652656755559958262832389380428531572546095986456326826

13、627153443942948359964663768767572871377074880736492481542671724714770757817800863838904385495366047488077968588439108919619341010406085946698298948829519351010987107010301120426706547379149869721050103011101090117011401230447367188091000108010701150113012201190129012501350468047858841100118011701260

14、124013301310141013701480488768559631190129012701370135014501420153014901610509509281040130014001380149014601580154016601620174052103010001130140015101490161015801700167018001750189054111010801220151016301610173017001840180019401890203056119011601310162017501730186018301980194020902030219058128012501

15、4101740188018502000196021202080224021802350601370134015001870201019802140210022702220240023302510621460143016101990215021202290225024202370256024902680641560152017102120229022602440239025802530273026502860起重钢丝绳的安全系数是多少1.用于固定起重设备为3.52.用于人力起重为4.53.用于机动起重为5-6 M1-3 4 M4 4.5 M5 5.5 M6 6 M7 7 M8 9 双绳抓斗（双电机分别驱动）6.0 双绳抓斗（单电机集中驱动）5.04.用于绑扎起重物为105.用于供人升降用为14