1、DSZP2HA 行星減速機設計說明書一、 用途： 撈渣輸送機主傳動裝置是用于2X330MW電力機組除渣設備主傳動設備，該設備集機電液為一體，傳動設備的主要功能是通過傳動裝置帶動鏈條，鏈條帶動刮板，當接渣斗裝滿后，傳動裝置啟動，托出刮板，帶出煤渣，并運到高處，把煤渣傾倒出去。二、設計輸入參數：1. 工作扭矩：14000Nm；2. 最大扭矩：55000Nm；3. 轉速范圍：0.2-2.5rpm；4. 減速機速比：37.92：1；三、方案設計一）傳動型式選擇： 按最大扭矩55000Nm，總傳動比37.92，選用兩級NGW行星齒輪減速機。兩級行星輪個數均選np=3，高速級采用行星架浮動而太陽輪和內齒輪

2、固定的結構；低速級采用太陽輪浮動的結構。二）材料、性能選者、熱處理及齒形要求1. 材料：a 太陽輪和行星輪的材料為20CrNi2MoA，滲碳淬火處理，表面硬度57+4HRC，齒面接觸疲勞極限： Hlim=1450N/mm2 ， 齒根彎曲疲勞極限：太陽輪Flim=400N/mm2 ，行星輪Flim=280N/mm2 ， b 內齒輪的材料為42CrMo，調質處理，硬度為HB262293， 齒面接觸疲勞極限Hlim=750N/mm2 ， 齒根彎曲疲勞極限Flim=255N/mm2 ， 2齒形齒形為漸開線直齒，外嚙合最終加工為磨齒，6級精度；內嚙合最終加工為插齒，7級精度。 為提高齒輪承載能力，兩極均

3、采用變位齒輪傳動。三）.傳動比的分配 按高速級（I）和低速級（II）齒面接觸等強度的原則進行傳動比的分配。取系數=1.2（低速級內齒輪分度圓直徑與高速級內齒輪分度圓直徑之比,一般=11.3），齒寬系數aI=0.4， aII=0.7，HlimI=HlimII，其余見下表代 號名 稱說 明取 值KA使用系數按中等沖擊1.5KHPI行星輪間載荷分配系數按齒輪手冊表7.3-71.1KHPII1.05KHI綜合系數按齒輪手冊表7.3-41.8KHII由齒輪手冊可知，q值為由此查齒輪手冊圖7.2-9，得PI=5.75 ，則 四）、配齒計算a 高速級 太陽輪齒數Za 取C=45（整數） 內齒圈齒數Zb 行星

4、輪齒數Zc 取Zc=47b 同理可求出低速級齒數c 按齒面接觸強度，計算太陽輪分度圓直徑高速級太陽輪傳遞扭矩為：T=55000/37.68=1560N。m一對嚙合副傳動轉矩： 則說明：KA，KHP，KH 同前，KP不均載系數，U=Zc/Za則模數 取m=4.5取a=153mm同理求出其他參數列于下表實際總傳動比37.68（速比誤差0.63）級別第一級第二級中心距153mm170mm模數4.57速比6.755.647齒輪太陽輪行星輪內齒輪太陽輪行星輪內齒輪齒數2047115173079齒寬62120五）、齒輪幾何計算- 漸開線圓柱齒輪幾何參數計算 -a 高速級外嚙合 小 齒 輪 大 齒 輪 法向

5、模數 mn = 4.50000 齒 數 z1 = 20 z2 = 47 法向變位系數 xn1 = .2270 xn2 = .3000 齒 寬 (mm) b1 = 62.0000 b2 = 62.0000 螺 旋 角 (°) = .00000 中 心 距 (mm) a = 153.0008 齒 數 比 u = 2.3500 端面模數 mt = 4.5000 齒頂高系數 ha1 = 1.0000 ha2 = 1.0000 頂隙系數 cn1 = .4000 cn2 = .4000 分度圓直徑 (mm) d1 = 90.0000 d2 = 211.5000 節圓直徑 (mm) dp1 = 9

6、1.3438 dp2 = 214.6578 齒頂圓直徑 (mm) da1 = 100.8016 da2 = 222.9586 齒根圓直徑 (mm) df1 = 79.4430 df2 = 201.6000 基圓直徑 (mm) db1 = 84.5723 db2 = 198.7450 齒 頂 高 (mm) ha1 = 5.4008 ha2 = 5.7293 齒 根 高 (mm) hf1 = 5.2785 hf2 = 4.9500 全 齒 高 (mm) h1 = 10.6793 h2 = 10.6793 節 距 (mm) pn = 14.1372 法面的基圓齒距 pbn = 13.2846 端面的

7、基圓齒距 pbt = 13.2846 法面壓力角 (°) n = 20.0000 端面壓力角 (°) t = 20.0000 端面嚙合角 (°) tp= 22.2003 基圓螺旋角 (°) b = .0000 法向齒厚 (mm) sn = 7.069 分度圓弦齒厚 (mm) Sn1 = 7.8024 Sn2 = 8.0494 分度圓弦齒高 (mm) hn1 = 5.5702 hn2 = 5.8059 公法線長度 (mm) Wnk1= 35.1707 Wnk2= 76.9509 跨 齒 數 K1 = 3 K2 = 6 固定弦齒厚 (mm) sc1 = 6.

8、8983 sc2 = 7.1095 固定弦齒高 (mm) hc1 = 4.1454 hc2 = 4.4355 圓棒(球)直徑 (mm) dp1 = 7.5600 dp2 = 7.5600 跨棒(球)距 (mm) M1 = 101.6690 M2 = 223.9130 齒 頂 厚 (mm) sa1 = 2.8739 sa2 = 3.3242 最大滑動系數 1 = 1.9509 2 = 1.1210 端面重合度 epa = 1.5160 縱向重合度 epb = .0000- 漸開線圓柱齒輪精度 - 小齒輪 - IQ1=6 IQ2=6 IQ3=6 FP = .0320 ff = .0100 FBT=

9、 .0190Fr = .0280 fpt= .0130 Fb = .0190Fi'= .0420 fi'= .0138 Fpx= .0190Fpk= .0220 fpb= .0110Fi"= .0400 fi"= .0180Fw = .0200 ffB= .0138 a = 153.001 fa = .0200 6-6-6-G J GB 10095-88Wnk1= 35.171 Ews= -.0802 Ewi= -.1153K1 = 3 Ess= -.0780 Esi= -.1300- 大齒輪 -IQ1=6 IQ2=6 IQ3=6 FP = .0630 ff

10、 = .0110 FBT= .0190Fr = .0400 fpt= .0140 Fb = .0190Fi'= .0740 fi'= .0150 Fpx= .0190Fpk= .0320 fpb= .0130Fi"= .0560 fi"= .0200Fw = .0250 ffB= .0150a = 153.001 fa = .02006-6-6-G J GB 10095-88Wnk2= 76.951 Ews= -.0888 Ewi= -.1217K2 = 6 Ess= -.0840 Esi= -.1400b 高速級內嚙合- 漸開線圓柱齒輪幾何參數計算 - 小

11、 齒 輪 內 齒 圈 法向模數 mn = 4.50000 齒 數 z1 = 47 z2 = 115 法向變位系數 xn1 = .3000 xn2 = .3000 齒 寬 (mm) b1 = 62.0000 b2 = 62.0000 螺 旋 角 (°) = .00000 中 心 距 (mm) a = 153.0000 齒 數 比 u = 2.4468 端面模數 mt = 4.5000 齒頂高系數 ha1 = 1.0000 ha2 = 0.8000 頂隙系數 cn1 = .4000 cn2 = .2500 分度圓直徑 (mm) d1 = 211.5000 d2 = 517.5000 齒頂

12、圓直徑 (mm) da1 = 223.2000 da2 = 513.1125 齒根圓直徑 (mm) df1 = 201.6000 df2 = 531.4500 基圓直徑 (mm) db1 = 198.7450 db2 = 486.2909 齒 頂 高 (mm) ha1 = 5.8500 ha2 = 2.1938 齒 根 高 (mm) hf1 = 4.9500 hf2 = 6.9750 全 齒 高 (mm) h1 = 10.8000 h2 = 9.1688 節 距 (mm) pn = 14.1372 法面的基圓齒距 pbn = 13.2846 端面的基圓齒距 pbt = 13.2846 法面壓力

13、角 (°) n = 20.0000 端面壓力角 (°) t = 20.0000 端面嚙合角 (°) tp= 20.0000 基圓螺旋角 (°) b = .0000 法向齒厚 (mm) sn = 7.069 分度圓弦齒厚 (mm) Sn1 = 8.0494 Sn2 = 6.0857 分度圓弦齒高 (mm) hn1 = 5.9266 hn2 = 2.1857 公法線長度 (mm) Wnk1= 76.9509 Wnk2= 187.5133 跨 齒 數 K1 = 6 K2 = 14 固定弦齒厚 (mm) sc1 = 7.1095 sc2 = 5.3740 固定弦

14、齒高 (mm) hc1 = 4.5562 hc2 = 1.2257 圓棒(球)直徑 (mm) dp1 = 7.5600 dp2 = 7.5600 跨棒(球)距 (mm) M1 = 223.9130 M2 = 509.9085 齒 頂 厚 (mm) sa1 = 3.2047 sa2 = 4.5031 最大滑動系數 1 = -.2184 2 = .6822 端面重合度 epa = 1.6002 縱向重合度 epb = .0000- 漸開線圓柱齒輪精度 - 小齒輪 - IQ1=6 IQ2=6 IQ3=6 FP = .0630 ff = .0110 FBT= .0120 Fr = .0400 fpt=

15、 .0140 Fb = .0120 Fi'= .0740 fi'= .0150 Fpx= .0120 Fpk= .0320 fpb= .0130 Fi"= .0560 fi"= .0200 Fw = .0250 ffB= .0150 a = 153.000 fa = .02006-6-6-G J GB 10095-88 Wnk1= 76.951 Ews= -.0888 Ewi= -.1217 K1 = 6 Ess= -.0840 Esi= -.1400 M1 = 223.9130 dltlM = .2239 dltuM = .3069- 內齒圈 - IQ1=

16、7 IQ2=7 IQ3=7 FP = .1120 ff = .0200 FBT= .0160 Fr = .0710 fpt= .0200 Fb = .0160 Fi'= .1320 fi'= .0240 Fpx= .0160 Fpk= .0630 fpb= .0180 Fi"= .1000 fi"= .0280 Fw = .0450 ffB= .0240 a = 153.000 fa = .03157-7-7-F K GB 10095-88 Wnk2= 187.513 Ews= .2080 Ewi= .0927 K2 =14 Ess= -.0800 Esi=

17、 -.2400 M2 = 509.9085 dltlM = .2708 dltuM = .6081c 低速級外嚙合- 漸開線圓柱齒輪幾何參數計算 - 小 齒 輪 大 齒 輪法向模數 mn = 7.00000齒 數 z1 = 17 z2 = 30法向變位系數 xn1 = .4750 xn2 = .4000齒 寬 (mm) b1 = 120.0000 b2 = 120.0000螺 旋 角 (°) = .00000中 心 距 (mm) a = 169.9997齒 數 比 u = 1.7647端面模數 mt = 7.0000齒頂高系數 ha1 = 1.0000 ha2 = 1.0000頂隙系

18、數 cn1 = .4000 cn2 = .4000分度圓直徑 (mm) d1 = 119.0000 d2 = 210.0000節圓直徑 (mm) dp1 = 122.9785 dp2 = 217.0209齒頂圓直徑 (mm) da1 = 138.3994 da2 = 228.3494齒根圓直徑 (mm) df1 = 106.0500 df2 = 196.0000基圓直徑 (mm) db1 = 111.8234 db2 = 197.3354齒 頂 高 (mm) ha1 = 9.6997 ha2 = 9.1747齒 根 高 (mm) hf1 = 6.4750 hf2 = 7.0000全 齒 高 (

19、mm) h1 = 16.1747 h2 = 16.1747 節 距 (mm) pn = 21.9911法面的基圓齒距 pbn = 20.6649端面的基圓齒距 pbt = 20.6649法面壓力角 (°) n = 20.0000端面壓力角 (°) t = 20.0000端面嚙合角 (°) tp= 24.5923基圓螺旋角 (°) b = .0000法向齒厚 (mm) sn = 10.996 分度圓弦齒厚 (mm) Sn1 = 13.3876 Sn2 = 13.0254 分度圓弦齒高 (mm) hn1 = 10.0774 hn2 = 9.3769 公法線長

20、度 (mm) Wnk1= 55.6034 Wnk2= 77.1837 跨 齒 數 K1 = 3 K2 = 4 固定弦齒厚 (mm) sc1 = 11.8466 sc2 = 11.5091 固定弦齒高 (mm) hc1 = 7.5438 hc2 = 7.0802 圓棒(球)直徑 (mm) dp1 = 11.7600 dp2 = 11.7600 跨棒(球)距 (mm) M1 = 139.0331 M2 = 230.3604 齒 頂 厚 (mm) sa1 = 3.9420 sa2 = 5.0198 最大滑動系數 1 = 1.4484 2 = 1.4006 端面重合度 epa = 1.3297 縱向重

21、合度 epb = .0000- 漸開線圓柱齒輪精度 - 小齒輪 -IQ1=6 IQ2=6 IQ3=6FP = .0450 ff = .0120 FBT= .0160Fr = .0320 fpt= .0140 Fb = .0160Fi'= .0570 fi'= .0156 Fpx= .0160Fpk= .0220 fpb= .0130Fi"= .0450 fi"= .0200Fw = .0200 ffB= .0156a = 170.000 fa = .02006-6-6-G J GB 10095-88Wnk1= 55.603 Ews= -.0868 Ewi=

22、-.1237K1 = 3 Ess= -.0840 Esi= -.1400- 大齒輪 -IQ1=6 IQ2=6 IQ3=6FP = .0630 ff = .0130 FBT= .0160Fr = .0450 fpt= .0160 Fb = .0160Fi'= .0760 fi'= .0174 Fpx= .0160Fpk= .0320 fpb= .0140Fi"= .0630 fi"= .0220Fw = .0250 ffB= .0174a = 170.000 fa = .02006-6-6-F J GB 10095-88Wnk2= 77.184 Ews= -.

23、0712 Ewi= -.1393K2 = 4 Ess= -.0640 Esi= -.1600d 低速級內嚙合 - 漸開線圓柱齒輪幾何參數計算 -小 齒 輪 內 齒 圈法向模數 mn = 7.00000齒 數 z1 = 30 z2 = 79法向變位系數 xn1 = .4000 xn2 = .1930齒 寬 (mm) b1 = 120.0000 b2 = 120.0000螺 旋 角 (°) = .00000中 心 距 (mm) a = 169.9999齒 數 比 u = 2.6333端面模數 mt = 7.0000齒頂高系數 ha1 = 1.0000 ha2 = .8000頂隙系數 cn

24、1 = .4000 cn2 = .2500 分度圓直徑 (mm) d1 = 210.0000 d2 = 553.0000齒頂圓直徑 (mm) da1 = 229.7023 da2 = 547.5620齒根圓直徑 (mm) df1 = 196.0000 df2 = 570.4020基圓直徑 (mm) db1 = 197.3354 db2 = 519.6500齒 頂 高 (mm) ha1 = 9.8511 ha2 = 2.7190齒 根 高 (mm) hf1 = 7.0000 hf2 = 8.7010全 齒 高 (mm) h1 = 16.8511 h2 = 11.4200節 距 (mm) pn =

25、 21.9911法面的基圓齒距 pbn = 20.6649端面的基圓齒距 pbt = 20.6649法面壓力角 (°) n = 20.0000端面壓力角 (°) t = 20.0000端面嚙合角 (°) tp= 18.5611基圓螺旋角 (°) b = .0000法向齒厚 (mm) sn = 10.996分度圓弦齒厚 (mm) Sn1 = 13.0254 Sn2 = 10.0116分度圓弦齒高 (mm) hn1 = 10.0533 hn2 = 2.7031公法線長度 (mm) Wnk1= 77.1837 Wnk2= 204.9859跨 齒 數 K1 =

26、4 K2 = 10固定弦齒厚 (mm) sc1 = 11.5091 sc2 = 8.8409固定弦齒高 (mm) hc1 = 7.7566 hc2 = 1.1395圓棒(球)直徑 (mm) dp1 = 11.7600 dp2 = 11.7600跨棒(球)距 (mm) M1 = 230.3604 M2 = 539.6439齒 頂 厚 (mm) sa1 = 4.2504 sa2 = 8.0293最大滑動系數 1 = -.0384 2 = 1.5132端面重合度 epa = 1.2872縱向重合度 epb = .0000- 漸開線圓柱齒輪精度 - 小齒輪 - IQ1=6 IQ2=6 IQ3=6 FP

27、 = .0630 ff = .0130 FBT= .0160 Fr = .0450 fpt= .0160 Fb = .0160 Fi'= .0760 fi'= .0174 Fpx= .0160 Fpk= .0320 fpb= .0140 Fi"= .0630 fi"= .0220 Fw = .0250 ffB= .0174 a = 170.000 fa = .0200 6-6-6-F J GB 10095-88 Wnk1= 77.184 Ews= -.0712 Ewi= -.1393 K1 = 4 Ess= -.0640 Esi= -.1600 M1 = 2

28、30.3604 dltlM = .1655 dltuM = .3237 - 內齒圈 - IQ1=7 IQ2=7 IQ3=7 FP = .1120 ff = .0240 FBT= .0200 Fr = .0800 fpt= .0250 Fb = .0200 Fi'= .1360 fi'= .0294 Fpx= .0200 Fpk= .0630 fpb= .0220 Fi"= .1120 fi"= .0320 Fw = .0450 ffB= .0294 a = 170.000 fa = .0315 7-7-7-F J GB 10095-88 Wnk2= 204.

29、986 Ews= .2152 Ewi= .1137 K2 =10 Ess= -.1000 Esi= -.2500 M2 = 539.6439 dltlM = .3393 dltuM = .6424-六）、齒面疲勞強度校核T=55000N.m KA=1高速級外嚙合接觸疲勞極限應力(MPa)Hlim = 1450.00 1450.00許用接觸疲勞應力(MPa)HP = 1450.80 1450.80計算接觸應力(MPa)H = 971.38 971.38接觸強度安全系數SH = 1.49 1.49彎曲疲勞極限應力(MPa)Flim = 400.00 280.00許用彎曲疲勞應力(MPa)FP =

30、800.00 560.00計算齒根彎曲應力(MPa)F = 245.20 229.75彎曲強度安全系數SF = 3.26 2.44高速級內嚙合接觸疲勞極限應力(MPa)Hlim = 1450.00 750.00許用接觸疲勞應力(MPa)HP = 1381.72 794.56計算接觸應力(MPa)H = 414.44 414.44接觸強度安全系數SH = 3.33 1.92彎曲疲勞極限應力(MPa)Flim = 280.00 255.00許用彎曲疲勞應力(MPa)FP = 560.00 510.00計算齒根彎曲應力(MPa)F = 213.26 209.17彎曲強度安全系數SF = 2.63 2.44低速級外嚙合接觸疲勞極限應力(MPa) Hlim = 1450.00 1450.00許用接觸疲勞應力(MPa)HP = 1508.94 1508.94計算接觸應力(MPa)H = 1097.35 1107.80接觸強度安全系數SH = 1.38 1.36彎曲疲勞極限應力(MPa)Flim = 400.00 280.00