齒輪減速機(jī)泥漿攪拌器設(shè)計(jì)計(jì)算

1、齒輪減速機(jī)泥漿攪拌器齒輪減速機(jī)泥漿攪拌器的設(shè)計(jì)計(jì)算的設(shè)計(jì)計(jì)算7.5kw攪拌器設(shè)計(jì)：雷，此時(shí)為湍流，常數(shù)。2KNp???查表知：諾數(shù)的計(jì)算：4032.08.0130010436833Re260852??????????in即蝸輪式，四平片時(shí)，。410Re?5.42?K由公式，式中Np——功率準(zhǔn)數(shù)。513dnNNp??則，攪拌功率5132dnKN??5360858.0)(13005.4????WW45.55450??則，電機(jī)的最小功率為：，

2、取η=0.85?NN?電則KWN41.685.045.5電??則選用電機(jī)的功率為7.5KW。槳葉設(shè)計(jì)：圓盤(pán)直徑φ450mm，葉輪直徑φ800mm。r3r1x0r2δⅠⅠ即，需葉片厚度為≥7.12取8mm厚的鋼板。葉輪軸扭轉(zhuǎn)強(qiáng)度計(jì)算葉輪軸扭轉(zhuǎn)強(qiáng)度計(jì)算葉輪軸扭轉(zhuǎn)強(qiáng)度計(jì)算葉輪軸選用葉輪軸選用葉輪軸選用φ765φ765φ765的無(wú)縫鋼管，材料的無(wú)縫鋼管，材料的無(wú)縫鋼管，材料202020號(hào)鋼。號(hào)鋼。號(hào)鋼。對(duì)于對(duì)于對(duì)于202020號(hào)鋼，其許用剪切應(yīng)

3、力號(hào)鋼，其許用剪切應(yīng)力號(hào)鋼，其許用剪切應(yīng)力[τ]=40MPa[τ]=40MPa[τ]=40MPa；許；許；許用扭轉(zhuǎn)角用扭轉(zhuǎn)角用扭轉(zhuǎn)角[φ]=1m[φ]=1m[φ]=1m；；G=80GPaG=80GPaG=80GPa。則。則。則扭矩：扭矩：扭矩：選用選用選用202020號(hào)鋼號(hào)鋼號(hào)鋼φ765φ765φ765無(wú)縫鋼管滿(mǎn)足強(qiáng)度和剛度要求。無(wú)縫鋼管滿(mǎn)足強(qiáng)度和剛度要求。無(wú)縫鋼管滿(mǎn)足強(qiáng)度和剛度要求。)(840603.855.72.1592.159Nm

4、nNMk????8684.0765276?????Dd?)(6.1411767)8684.01(763214.3)1(3244444mmDp??????????)(8.371512766.141176723mmDwpn????MPaMPaWMn40][)(6.228.37151108403maxmax????????14.36.141176710801801084018033maxmax???????????pGMmmmm???????