鋼帶主機(jī)曳引能力計(jì)算書

《鋼帶主機(jī)曳引能力計(jì)算書》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。

1、曳引能力計(jì)算書版本號(hào)Ae00曳引能力計(jì)算書型號(hào)FXPD1000日期2016.3.25曳引能力計(jì)算書版本號(hào)Ae00一．主要技術(shù)參數(shù)和部件配置額定載重Q=400kg轎廂自重P=460kg額定梯速V=0.4m/s提升高度H=12m曳引比r=2平衡系數(shù)ψ=0.5主機(jī)型號(hào)：FXPD400-FG，=1.1kW，=153r/min，=0.6導(dǎo)向輪=100mm，=24kg，鋼帶單繞，包角a=180°反繩輪=100mm,=24kg懸掛鋼帶規(guī)格為3.3×30mm，=2，=0.27kg/m不加裝補(bǔ)償鏈及張緊裝置二．曳引機(jī)選型驗(yàn)算2.1曳引機(jī)功率驗(yàn)算kW<1.1kW所選曳引機(jī)功率滿足使用要求。2.2電梯速度驗(yàn)算

2、m/s曳引機(jī)額定速度滿足設(shè)計(jì)要求三．曳引力通用參數(shù)計(jì)算3.1計(jì)算對(duì)重重量=P+0.5Q=660kg3.2計(jì)算懸掛鋼帶重量12×2×0.27=6.48kg3.3計(jì)算補(bǔ)償繩重量3.4計(jì)算隨行電纜重量=0.5×××=0.5×12×1×0.69=4.14kg3.5計(jì)算驅(qū)動(dòng)主機(jī)轉(zhuǎn)動(dòng)慣量=/4=0.153.6計(jì)算曳引輪和導(dǎo)向輪的轉(zhuǎn)動(dòng)慣量曳引能力計(jì)算書版本號(hào)Ae000.6×0.0363.7計(jì)算導(dǎo)向輪的折算質(zhì)量14.4kg3.8計(jì)算轎廂和對(duì)重反繩輪的換算轉(zhuǎn)動(dòng)慣量0.6*=0.0093.9計(jì)算轎廂和對(duì)重反繩輪的折算質(zhì)量14.4kg3.10計(jì)算張緊輪的換算轉(zhuǎn)動(dòng)慣量=03.11計(jì)算張緊輪的折算質(zhì)量=0一．轎廂

3、裝載工況計(jì)算4.1計(jì)算轎廂側(cè)拉力=486.48kg4.2計(jì)算對(duì)重側(cè)拉力kg4.3計(jì)算繩槽摩擦系數(shù)3.14radμ=0.45f=0.45---（鋼帶直接作用在曳引輪上。當(dāng)量摩擦系數(shù)=摩擦系數(shù)）4.4計(jì)算曳引能力系數(shù)4.114.5驗(yàn)算曳引條件486.48/330=1.47＜4.11曳引能力計(jì)算書版本號(hào)Ae00一．緊急制動(dòng)工況計(jì)算5.1計(jì)算額定負(fù)載轉(zhuǎn)矩44.35N.m5.2計(jì)算制動(dòng)轉(zhuǎn)矩2.5*44.35=110.87N.m5.3計(jì)算慣性轉(zhuǎn)矩110.87-44.35=66.37N.m5.4計(jì)算線性運(yùn)動(dòng)部件轉(zhuǎn)化的轉(zhuǎn)動(dòng)慣量5.4.1滿載轎廂位于井道底層時(shí)=1.925.4.2空載轎廂位于井道頂層時(shí)=1

4、.425.5計(jì)算制動(dòng)軸的總轉(zhuǎn)動(dòng)慣量=0.15+0.036+0.036+2*0.009+0.009+0+1.92=2.17=0.15+0.036+0.036+2*0.009+0.009+0+1.42=1.675.6計(jì)算制動(dòng)角減速度66.37/(2.17*0.85)=3666.37/(1.67*0.85)=46.765.7計(jì)算制動(dòng)時(shí)間曳引能力計(jì)算書版本號(hào)Ae00（3.14*153）/（30*36）=0.445s（3.14*153）/（30*46.76）=0.342s5.8計(jì)算平均制動(dòng)減速度0.4/0.445=0.90.4/0.342=1.175.9計(jì)算轎廂側(cè)拉力==1935N==4728N5

5、.10計(jì)算對(duì)重側(cè)拉力==3716N==2924N5.11計(jì)算鋼帶摩擦系數(shù)曳引能力計(jì)算書版本號(hào)Ae00f=μ=0.455.12計(jì)算曳引能力系數(shù)4.115.13驗(yàn)證緊急制動(dòng)工況曳引條件T對(duì)重空下T轎廂空上=37161935=1.92<4.11T轎廂滿下T對(duì)重滿上=47282924=1.62<4.11即緊急制動(dòng)的減速度和曳引條件均符合標(biāo)準(zhǔn)要求一．轎廂滯留工況計(jì)算6.1計(jì)算鋼帶摩擦系數(shù)f=μ=0.456.2計(jì)算曳引能力系數(shù)4.116.3計(jì)算對(duì)重壓在緩沖器上時(shí)轎廂側(cè)拉力6.4計(jì)算對(duì)重壓在緩沖器上時(shí)對(duì)重側(cè)拉力6.5計(jì)算對(duì)重壓在緩沖器上的曳引條件6.6計(jì)算轎廂壓在緩沖器上時(shí)轎廂側(cè)拉力6.7計(jì)算轎廂壓在

6、緩沖器上時(shí)對(duì)重側(cè)拉力6.8計(jì)算轎廂壓在緩沖器上的曳引條件