2024起重機(jī)械鋼絲繩用套環(huán)

起重機(jī)械鋼絲繩用套環(huán)II目 次前 言 II引 言 III1范圍 42規(guī)范性用文件 43術(shù)語和義 44型式和本參數(shù) 45技術(shù)要求 86試驗方法 97檢驗規(guī)則 108標(biāo)志、裝、運(yùn)和儲存 10PAGEPAGE10起重機(jī)械鋼絲繩用套環(huán)范圍本文件適用于GB/T8918、GB/T20118規(guī)定的圓股鋼絲繩用套環(huán)。其他標(biāo)準(zhǔn)或規(guī)格用套環(huán)可參照執(zhí)行。GB/T699-2015GB/T700-2006GB/T1348-2019GB/T6974.1起重機(jī)術(shù)語第1GB/T9440-2010可鍛鑄鐵件GB/T11352-2009一般工程用鑄造碳鋼件GB/T13384機(jī)電產(chǎn)品包裝通用技術(shù)條件GB/T16825.1金屬材料靜力單軸試驗機(jī)的檢驗與校準(zhǔn)第1部分：拉力和(或)壓力試驗機(jī)測力系統(tǒng)的檢驗與校準(zhǔn)GB/T17107-1997鍛件用結(jié)構(gòu)鋼牌號和力學(xué)性能GB/T37400.14重型機(jī)械通用技術(shù)條件第14部分：鑄鋼件無損探傷GB/T37400.15重型機(jī)械通用技術(shù)條件第15部分：鍛鋼件無損探傷術(shù)語和定義GB/T6974.1界定的術(shù)語和定義適用于本文件。性能分類1770MPa1960MPa普通套環(huán)的結(jié)構(gòu)型式和尺寸應(yīng)符合圖1和表1的規(guī)定。重型套環(huán)的結(jié)構(gòu)型式和尺寸應(yīng)符合圖2和表2的規(guī)定。圖1普通套環(huán)結(jié)構(gòu)型式示意圖圖2重型套環(huán)結(jié)構(gòu)型式示意圖表1普通套環(huán)尺寸表套環(huán)規(guī)格(鋼絲繩公稱直徑)d/mm尺寸/mm單件質(zhì)量/kgFCADGminK基本尺寸極限偏差基本尺寸極限偏差基本尺寸極限偏差基本尺寸極限偏差66.7±0.210.5015+1.527+2.73.34.200.032-1.000-0.188.9±0.314.020364.45.60.0751011.2±0.317.5025+2.045+3.65.57.000.1501213.4±0.421.0-1.43005406.68.4-0.20.2501415.6±0.524.535637.79.80.3931617.8±0.628.040728.811.20.6051820.1±0.631.5045+4.081+7.29.912.600.8672022.3±0.735.0-2.850090011.014.0-0.41.2052224.5±0.838.5559912.115.41.5632426.7±0.942.06010813.216.82.0452629.0±0.945.5065+4.8117+8.614.318.202.6202831.2±1.049.0-3.4700126015.419.6-0.63.2903235.6±1.256.08014417.622.44.8543640.1±1.363.09016219.825.26.9724044.5±1.570.00100+6.0180+11.322.028.009.6244449.0±1.677.0-4.41100198024.230.8-0.812.8084853.4±1.884.012021626.433.616.5955257.9±1.991.013023428.636.420.9455662.3±2.198.00-5.5140+7.80252+14.0030.839.20-1.126.3106066.8±2.2105.015027033.042.031.396表2重型套環(huán)尺寸表(鋼直/mm尺寸/mm/kgFCABLRGminDE基本尺寸極限偏差基本尺寸極限偏差基本尺寸極限偏差基本尺寸極限偏差基本尺寸極限偏差88.9±0.314.02040±256±3596.05200.081011.2±0.317.5025+0.149+0.065507074+37.50.171213.4±0.421.0-1.43060848909.00.321415.6±0.524.535709810410.50.501617.8±0.628.040+0.18080±4112±611812.00.781820.1±0.631.5045+0.08090126133+613.51.142022.3±0.735.0-2.850100140148015.010301.412224.5±0.838.55511015416316.51.962426.7±0.942.060120±6168±917818.02.412629.0±0.945.5065+0.220+0.100130182193+919.53.462831.2±1.049.0-3.470140196207021.04.303235.6±1.256.08016022423724.06.463640.1±1.363.090180±9252±1326727.09.774044.5±1.570.00100+0.260200280296+1330.012.944449.0±1.677.0-4.4110+0.120220308326033.0154517.024853.4±1.884.012024033635636.022.755257.9±1.991.0130260±13364±1838539.028.415662.3±2.198.00-5.5140+0.305+0.145280392415+19042.035.566066.8±2.2105.015030042044545.048.35標(biāo)記示例規(guī)格為16(鋼絲公稱直徑d>14mm~16mm)，由素結(jié)構(gòu)鋼Q235B制的普通環(huán)，標(biāo)為：普通套環(huán) GB/T5974-16-Q235B規(guī)格為16(鋼絲繩公稱直徑d>14mm~16mm)，由可鍛鑄鐵KTH370-12制成的重型套環(huán)，標(biāo)記為：重型套環(huán) GB/T5974-16-KTH370-12技術(shù)要求材料套環(huán)的材料不應(yīng)低于表3的規(guī)定。表3套環(huán)的材料套環(huán)規(guī)格8101214161820222426283236404448525660普通套環(huán)碳素結(jié)構(gòu)鋼GB/T700-2006中規(guī)定的Q235B優(yōu)質(zhì)碳素結(jié)構(gòu)鋼GB/T699-2015中規(guī)定的15和35重型套環(huán)可鍛鑄鐵GB/T9440-2010中規(guī)定的KTH370-12—球墨鑄鐵—GB/T1348-2019中規(guī)定的QT450-10鑄鋼GB/T11352-2009中規(guī)定的ZG270-500鍛鋼GB/T17107-1997中規(guī)定的40(正火+回火)承載能力普通套環(huán)的最大承載能力不應(yīng)低于公稱抗拉強(qiáng)度為1770MPa的圓股鋼絲繩最小破斷拉力的32%；在使用時，普通套環(huán)所采用的銷軸直徑不應(yīng)小于鋼絲繩直徑的2倍。1960MPa疲勞性能6.375000傷。表面質(zhì)量(有協(xié)議外120g/m2（無損檢測GB/T37400.142GB/T37400.142GB/T37400.14中的2級規(guī)定。GB/T37400.152GB/T37400.15中的2級規(guī)定。試驗方法目測檢查n1C1C2C1C2n2)C2C2(n1;n2)(C1;C2)4的規(guī)定。表4抽樣及判斷方法序號批量n1/C1/11～82/—0/—29～152/20/2316～253/30/2426～505/50/2551～908/80/2691～15013/130/27151～28020/200/38281～50032/321/49501～120050/502/7注1：序號1對應(yīng)的批量為一次性抽檢；注2：一個套環(huán)有幾項尺寸和缺陷不合格時，只計為1件。6×376×19類(6×7類)的GB/T16825.1的要求。表5承載能力試驗試驗要求普通套環(huán)重型套環(huán)鋼絲繩抗拉強(qiáng)度MPa17701960銷軸直徑1.5倍鋼絲繩直徑φA施加載荷鋼絲繩最小破斷拉力的32%鋼絲繩最小破斷拉力A15%疲勞試驗7500015%~30%。疲勞試驗應(yīng)在環(huán)境溫度10℃~40℃進(jìn)行，且循環(huán)試驗頻率不應(yīng)超過5Hz。無損檢測GB/T37400.14行。GB/T37400.15行。檢驗規(guī)則6需方有權(quán)對供方提交的套環(huán)按表6的規(guī)定進(jìn)