型混凝土攪拌機總體及提升部分設計機械CAD圖紙

1、 3 0V = (0.6-0.7)VV = 560LV /V = 2-42 2V = × ×d × cota - × R R cota 0ÑV= sé(32 ù30p式（2.18）p式（2.19）p =sina - f cosa sin 45- 0.62×cos45n £ 29.9 = 29.9 = 17.5 式（2.20）min式中 M 攪拌時拌合料所產(chǎn)生的偏心阻力矩；M 攪拌時托輪所產(chǎn)生的滾動摩擦阻力矩；式中 G 拌合物料發(fā)質(zhì)量； 3 3r = 1.5 -1.7 ´10 kg / m2

2、33; ù2 ( R + x tana ) - hb ê úH = = 32 2 2é ù( )32 2 2é ù( )M = 9.8×V × r ×H ×sinj柱32 2 2= R - h ×l2 × r ×sinj N.m( )322é ùM = 9.8´ R + x tana - h ×r ×sina × Dx = 430.1N ×m 式（2.30）進 1322é &#

3、249;M = 9.8´ R + x tan b - h × r ×sin b × Dx = 393.2N ×m 式（2.31）出 2322 2M = R - h ×l × r ×sinj = 1095N ×m 式（2.32）2n mR rM = N K 1+ + N K 1+ = 181.5N ×m 式（2.33）r R 傳動效率2 3 4h = h ×h ×h = 0.8335w 1 2 3 hhnnmi =annrnm mini = = = 82.2anmini 、i

4、、i iLLi = i ×ia 0 1i = 7iai = = = 11.74i 70i = 3.8i0i = = = 3.092i 3.8 i 、i Lh 、h LT 、T Lp 、p Ln 、n Lp = p ×h ×h = 5.5´ 0.99´ 0.98 = 5.336kw軸 p = p ×h ×h = 5.336´ 0.98´ 0.97 = 5.072kw 式（2.44） p2= p ×h ×h = 5.072 ´0.98 ´ 0.97 = 4.724kwp

5、 = p ×h ×h = 4.724´ 0.98´ 0.97 = 4.67kwp = p ×h = 4.724´ 0.97 = 4.35kw hh hPdT = 9550× = 9550´ = 36.47N.mdn 1440T = T × i ×h = 36.47´1´ 0.99 = 35.74N.mT = T ×i ×h = 35.74´ 3.8´ 0.98´ 0.97 = 129.10N.m2T = T × i

6、×h = 129.10´ 3.1´0.97´ 0.98 = 375.58N.mT = T × i ×h = 375.58´1´ 0.98´ 0.97 = 356.5N.mT = T ×i ×h = 356.5´ 7´ ´0.97 = 2422.9N.m P F = 0.6 1.2ss = 600Mpa T1d ³ A ×21F ×s H limd = 50mm 2 d使用系數(shù) K ：查機械設計手冊表 12.9，動載系數(shù) ：查機

7、械設計手冊表 12.9，K = 1.2齒間載荷分配系數(shù) K ：K = 1.29Ha齒向載荷分配系數(shù) K ：K = 1.45K = K K K K =1.5´1.2´1.29´ 1.45 = 3.36彈性系數(shù) Z ：Z = 189.8 MPa節(jié)點區(qū)域系數(shù) Z ：Z = 2.5接觸最小安全系數(shù) S ：S = 1.05總工作時間 ：t = 10 ´8 ´ 300´ 0.4 = 9600h應力循環(huán)系數(shù) N ：n7N = 60 n1th = 60´1´ 3.36´ 9600 = 1.9´106 5 s Z

8、 750´1.21 = = = 864.2MPas Z 600´1.28 2KT×22*hm(z1 + z2) 2,5(20 + 76)a = = = 120mm 式（2.78）*h = h m = 1´ 2.5 = 2.5mm 式（2.79）* * * * * *00o o* 齒形系數(shù) Y： Y尺寸系數(shù) YY T u +131F ×s ud = 75mm2精度等級pd1n1 p ×75×378.9= =1.57m/ s ： S 2bd2*h h = (2h* *df 1 = (z1 - 2h - 2c )m = (30 -

9、 2 - 0.5) ´ 2.5 = 68.75mm* *00 o o* e 2 ´ 3.36´ 36475 ZZZZ 5.09T = 9.55 ´10 ´ = 130458N × mm2T 130458Ft 2 = = = 1373.2N02T 2´ 130458F = = = 3069.6N°F × tan 20F = = 5041 .4 N° 3072.1´130R = 1373´ 35 + 3069´ 80R = = 1274N.mmCH3069´

10、52 -1373´ 77R = = 347.5N.mmDHM = 535 ´ 347.5 = 1216.5N .mmM = 42 ´1274 = 53508 N.mm2 22 2式（2.152）2 22 2M = 152828.5 + 347.5 = 152829.4N.mm 式（2.154） M = MM 220969.23M 164188.83 332´ 375.58´10sp = 2T ´ 10 / k × l × d = = 86.5MPa 37 .4 < 80mm 式（2.164） 2KT 13P

11、4.491T = 9.55 ´10 = 9.55 ´10 ´ = 2450000N × mm 式（2.168）v ' z 2´18K = = = 0.36 式（2.169）V齒間載荷分配系數(shù) K ： K = 1.45齒向載荷分配系數(shù) K ： K = 1.23é 1 1 ù式（2.171）ç ÷Z 1 Z 2YFS計算 進行比較 0.75 0.75Ye = 0.25 + = 0.25 + = 0.6962KT 1 2´1.16 ´ 2450000 ´ 4.1´

12、 0.69632 m 12a = ( z1 + z2) = (18 + 126) = 8642KT 1 u + 1sH = ZE × ZH × Ze ×24 - ea 4 - 1.68Z = = = 0.882KT 1 u + 1sH = ZE × ZH × Ze ×22´ 5.61´ 2450000= 189.8´ 2.5´ 0.88´2pd1n1v = = 1.64m / s * * * * *00 o V = 350LV = 560L Sn = ³ n 式（3.1）F料

13、斗容量V = 720L D - D - 2mS £ 式（3.34） pDnv = = 0.5m / ss 3卷筒內(nèi)徑 D = D - 2d = 510 - 2 ´ 20 = 470mm 2q qr則 Y = = 3pX = = 1.83 rd Dd = t × dDd = qd = q t × dp0q t sin jd = qD t = 2Fò2F得卷筒作用于鋼絲繩的均布載荷 q = 式（3.37）32F 2´ 20´ 10故 q = = = 2.589KN / m2 3EY Fr E F 20 ´10s = =

14、 = = = 33MPa2 31.067F 1.1F 1.1´ 20´ 10s = = = = 36.3MPa6´ 0.02Frd Fs = = 0.12230.12´ 20 ´10= = 3.96MPaA × Fs = £ s A × F則筒壁厚度為： d ³ (mm) 30.65´ 20´10則 d ³ = 2.36mm- MPaAs=0.65 0.5Fs =F3 s + s £ sc ws即 16.5+9.5=26MPa s = = 178.6MPas -材料的強度極限（MPa） s =500M