设计某厂带式运输机的传动装置中的一级直齿圆柱齿轮减速器 设计某一级带式运输机传动装置中的直齿圆柱齿轮减速器)卷筒转速...
\u673a\u68b0\u8bbe\u8ba1\u57fa\u7840\u8bfe\u7a0b\u8bbe\u8ba1 \u8bbe\u8ba1\u5e26\u5f0f\u8fd0\u8f93\u673a\u4f20\u52a8\u88c5\u7f6e\u4e2d\u7684\u4e00\u7ea7\u76f4\u9f7f\u5706\u67f1\u9f7f\u8f6e\u51cf\u901f\u5668\u4e00\u3001\u4f20\u52a8\u65b9\u6848\u62df\u5b9a
\u7b2c\u4e8c\u7ec4\u7b2c\u4e09\u4e2a\u6570\u636e\uff1a\u8bbe\u8ba1\u5e26\u5f0f\u8f93\u9001\u673a\u4f20\u52a8\u88c5\u7f6e\u4e2d\u7684\u4e00\u7ea7\u5706\u67f1\u9f7f\u8f6e\u51cf\u901f\u5668
\uff081\uff09 \u5de5\u4f5c\u6761\u4ef6\uff1a\u4f7f\u7528\u5e74\u965010\u5e74\uff0c\u6bcf\u5e74\u6309300\u5929\u8ba1\u7b97\uff0c\u4e24\u73ed\u5236\u5de5\u4f5c\uff0c\u8f7d\u8377\u5e73\u7a33\u3002
\uff082\uff09 \u539f\u59cb\u6570\u636e\uff1a\u6eda\u7b52\u5706\u5468\u529bF=1.7KN\uff1b\u5e26\u901fV=1.4m/s\uff1b
\u6eda\u7b52\u76f4\u5f84D=220mm\u3002
\u8fd0\u52a8\u7b80\u56fe
\u4e8c\u3001\u7535\u52a8\u673a\u7684\u9009\u62e9
1\u3001\u7535\u52a8\u673a\u7c7b\u578b\u548c\u7ed3\u6784\u578b\u5f0f\u7684\u9009\u62e9\uff1a\u6309\u5df2\u77e5\u7684\u5de5\u4f5c\u8981\u6c42\u548c \u6761\u4ef6\uff0c\u9009\u7528 Y\u7cfb\u5217\u4e09\u76f8\u5f02\u6b65\u7535\u52a8\u673a\u3002
2\u3001\u786e\u5b9a\u7535\u52a8\u673a\u7684\u529f\u7387\uff1a
\uff081\uff09\u4f20\u52a8\u88c5\u7f6e\u7684\u603b\u6548\u7387\uff1a
\u03b7\u603b=\u03b7\u5e26\u00d7\u03b72\u8f74\u627f\u00d7\u03b7\u9f7f\u8f6e\u00d7\u03b7\u8054\u8f74\u5668\u00d7\u03b7\u6eda\u7b52
=0.96\u00d70.992\u00d70.97\u00d70.99\u00d70.95
=0.86
(2)\u7535\u673a\u6240\u9700\u7684\u5de5\u4f5c\u529f\u7387\uff1a
Pd=FV/1000\u03b7\u603b
=1700\u00d71.4/1000\u00d70.86
=2.76KW
3\u3001\u786e\u5b9a\u7535\u52a8\u673a\u8f6c\u901f\uff1a
\u6eda\u7b52\u8f74\u7684\u5de5\u4f5c\u8f6c\u901f\uff1a
Nw=60\u00d71000V/\u03c0D
=60\u00d71000\u00d71.4/\u03c0\u00d7220
=121.5r/min
\u6839\u636e\u30102\u3011\u88682.2\u4e2d\u63a8\u8350\u7684\u5408\u7406\u4f20\u52a8\u6bd4\u8303\u56f4\uff0c\u53d6V\u5e26\u4f20\u52a8\u6bd4Iv=2~4\uff0c\u5355\u7ea7\u5706\u67f1\u9f7f\u8f6e\u4f20\u52a8\u6bd4\u8303\u56f4Ic=3~5\uff0c\u5219\u5408\u7406\u603b\u4f20\u52a8\u6bd4i\u7684\u8303\u56f4\u4e3ai=6~20\uff0c\u6545\u7535\u52a8\u673a\u8f6c\u901f\u7684\u53ef\u9009\u8303\u56f4\u4e3and=i\u00d7nw=\uff086~20\uff09\u00d7121.5=729~2430r/min
\u7b26\u5408\u8fd9\u4e00\u8303\u56f4\u7684\u540c\u6b65\u8f6c\u901f\u6709960 r/min\u548c1420r/min\u3002\u7531\u30102\u3011\u88688.1\u67e5\u51fa\u6709\u4e09\u79cd\u9002\u7528\u7684\u7535\u52a8\u673a\u578b\u53f7\u3001\u5982\u4e0b\u8868
\u65b9\u6848 \u7535\u52a8\u673a\u578b\u53f7 \u989d\u5b9a\u529f\u7387 \u7535\u52a8\u673a\u8f6c\u901f\uff08r/min\uff09 \u4f20\u52a8\u88c5\u7f6e\u7684\u4f20\u52a8\u6bd4
KW \u540c\u8f6c \u6ee1\u8f6c \u603b\u4f20\u52a8\u6bd4 \u5e26 \u9f7f\u8f6e
1 Y132s-6 3 1000 960 7.9 3 2.63
2 Y100l2-4 3 1500 1420 11.68 3 3.89
\u7efc\u5408\u8003\u8651\u7535\u52a8\u673a\u548c\u4f20\u52a8\u88c5\u7f6e\u5c3a\u5bf8\u3001\u91cd\u91cf\u3001\u4ef7\u683c\u548c\u5e26\u4f20\u52a8\u3001\u51cf\u901f\u5668\u7684\u4f20\u52a8\u6bd4\uff0c\u6bd4\u8f83\u4e24\u79cd\u65b9\u6848\u53ef\u77e5\uff1a\u65b9\u68481\u56e0\u7535\u52a8\u673a\u8f6c\u901f\u4f4e\uff0c\u4f20\u52a8\u88c5\u7f6e\u5c3a\u5bf8\u8f83\u5927\uff0c\u4ef7\u683c\u8f83\u9ad8\u3002\u65b9\u68482\u9002\u4e2d\u3002\u6545\u9009\u62e9\u7535\u52a8\u673a\u578b\u53f7Y100l2-4\u3002
4\u3001\u786e\u5b9a\u7535\u52a8\u673a\u578b\u53f7
\u6839\u636e\u4ee5\u4e0a\u9009\u7528\u7684\u7535\u52a8\u673a\u7c7b\u578b\uff0c\u6240\u9700\u7684\u989d\u5b9a\u529f\u7387\u53ca\u540c\u6b65\u8f6c\u901f\uff0c\u9009\u5b9a\u7535\u52a8\u673a\u578b\u53f7\u4e3a
Y100l2-4\u3002
\u5176\u4e3b\u8981\u6027\u80fd\uff1a\u989d\u5b9a\u529f\u7387\uff1a3KW\uff0c\u6ee1\u8f7d\u8f6c\u901f1420r/min\uff0c\u989d\u5b9a\u8f6c\u77e92.2\u3002
\u4e09\u3001\u8ba1\u7b97\u603b\u4f20\u52a8\u6bd4\u53ca\u5206\u914d\u5404\u7ea7\u7684\u4f20\u52a8\u6bd4
1\u3001\u603b\u4f20\u52a8\u6bd4\uff1ai\u603b=n\u7535\u52a8/n\u7b52=1420/121.5=11.68
2\u3001\u5206\u914d\u5404\u7ea7\u4f20\u52a8\u6bd4
\uff081\uff09 \u53d6i\u5e26=3
\uff082\uff09 \u2235i\u603b=i\u9f7f\u00d7i \u5e26\u03c0
\u2234i\u9f7f=i\u603b/i\u5e26=11.68/3=3.89
\u56db\u3001\u8fd0\u52a8\u53c2\u6570\u53ca\u52a8\u529b\u53c2\u6570\u8ba1\u7b97
1\u3001\u8ba1\u7b97\u5404\u8f74\u8f6c\u901f\uff08r/min\uff09
nI=nm/i\u5e26=1420/3=473.33(r/min)
nII=nI/i\u9f7f=473.33/3.89=121.67(r/min)
\u6eda\u7b52nw=nII=473.33/3.89=121.67(r/min)
2\u3001 \u8ba1\u7b97\u5404\u8f74\u7684\u529f\u7387\uff08KW\uff09
PI=Pd\u00d7\u03b7\u5e26=2.76\u00d70.96=2.64KW
PII=PI\u00d7\u03b7\u8f74\u627f\u00d7\u03b7\u9f7f\u8f6e=2.64\u00d70.99\u00d70.97=2.53KW
3\u3001 \u8ba1\u7b97\u5404\u8f74\u8f6c\u77e9
Td=9.55Pd/nm=9550\u00d72.76/1420=18.56N?m
TI=9.55p2\u5165/n1 =9550x2.64/473.33=53.26N?m
TII =9.55p2\u5165/n2=9550x2.53/121.67=198.58N?m
\u4e94\u3001\u4f20\u52a8\u96f6\u4ef6\u7684\u8bbe\u8ba1\u8ba1\u7b97
1\u3001 \u76ae\u5e26\u8f6e\u4f20\u52a8\u7684\u8bbe\u8ba1\u8ba1\u7b97
\uff081\uff09 \u9009\u62e9\u666e\u901aV\u5e26\u622a\u578b
\u7531\u8bfe\u672c[1]P189\u886810-8\u5f97\uff1akA=1.2 P=2.76KW
PC=KAP=1.2\u00d72.76=3.3KW
\u636ePC=3.3KW\u548cn1=473.33r/min
\u7531\u8bfe\u672c[1]P189\u56fe10-12\u5f97\uff1a\u9009\u7528A\u578bV\u5e26
\uff082\uff09 \u786e\u5b9a\u5e26\u8f6e\u57fa\u51c6\u76f4\u5f84\uff0c\u5e76\u9a8c\u7b97\u5e26\u901f
\u7531[1]\u8bfe\u672cP190\u886810-9\uff0c\u53d6dd1=95mm>dmin=75
dd2=i\u5e26dd1(1-\u03b5)=3\u00d795\u00d7(1-0.02)=279.30 mm
\u7531\u8bfe\u672c[1]P190\u886810-9\uff0c\u53d6dd2=280
\u5e26\u901fV\uff1aV=\u03c0dd1n1/60\u00d71000
=\u03c0\u00d795\u00d71420/60\u00d71000
=7.06m/s
\u57285~25m/s\u8303\u56f4\u5185\uff0c\u5e26\u901f\u5408\u9002\u3002
\uff083\uff09 \u786e\u5b9a\u5e26\u957f\u548c\u4e2d\u5fc3\u8ddd
\u521d\u5b9a\u4e2d\u5fc3\u8ddda0=500mm
Ld=2a0+\u03c0(dd1+dd2)/2+(dd2-dd1)2/4a0
=2\u00d7500+3.14(95+280)+(280-95)2/4\u00d7450
=1605.8mm
\u6839\u636e\u8bfe\u672c[1]\u8868\uff0810-6\uff09\u9009\u53d6\u76f8\u8fd1\u7684Ld=1600mm
\u786e\u5b9a\u4e2d\u5fc3\u8ddda\u2248a0+(Ld-Ld0)/2=500+(1600-1605.8)/2
=497mm
(4) \u9a8c\u7b97\u5c0f\u5e26\u8f6e\u5305\u89d2
\u03b11=1800-57.30 \u00d7(dd2-dd1)/a
=1800-57.30\u00d7(280-95)/497
=158.670>1200\uff08\u9002\u7528\uff09
\uff085\uff09 \u786e\u5b9a\u5e26\u7684\u6839\u6570
\u5355\u6839V\u5e26\u4f20\u9012\u7684\u989d\u5b9a\u529f\u7387.\u636edd1\u548cn1\uff0c\u67e5\u8bfe\u672c\u56fe10-9\u5f97 P1=1.4KW
i\u22601\u65f6\u5355\u6839V\u5e26\u7684\u989d\u5b9a\u529f\u7387\u589e\u91cf.\u636e\u5e26\u578b\u53cai\u67e5[1]\u886810-2\u5f97 \u25b3P1=0.17KW
\u67e5[1]\u886810-3\uff0c\u5f97K\u03b1=0.94\uff1b\u67e5[1]\u886810-4\u5f97 KL=0.99
Z= PC/[(P1+\u25b3P1)K\u03b1KL]
=3.3/[(1.4+0.17) \u00d70.94\u00d70.99]
=2.26 (\u53d63\u6839)
(6) \u8ba1\u7b97\u8f74\u4e0a\u538b\u529b
\u7531\u8bfe\u672c[1]\u886810-5\u67e5\u5f97q=0.1kg/m\uff0c\u7531\u8bfe\u672c\u5f0f\uff0810-20\uff09\u5355\u6839V\u5e26\u7684\u521d\u62c9\u529b\uff1a
F0=500PC/ZV[\uff082.5/K\u03b1\uff09-1]+qV2=500x3.3/[3x7.06(2.5/0.94-1)]+0.10x7.062 =134.3kN
\u5219\u4f5c\u7528\u5728\u8f74\u627f\u7684\u538b\u529bFQ
FQ=2ZF0sin(\u03b11/2)=2\u00d73\u00d7134.3sin(158.67o/2)
=791.9N
2\u3001\u9f7f\u8f6e\u4f20\u52a8\u7684\u8bbe\u8ba1\u8ba1\u7b97
\uff081\uff09\u9009\u62e9\u9f7f\u8f6e\u6750\u6599\u4e0e\u70ed\u5904\u7406\uff1a\u6240\u8bbe\u8ba1\u9f7f\u8f6e\u4f20\u52a8\u5c5e\u4e8e\u95ed\u5f0f\u4f20\u52a8\uff0c\u901a\u5e38
\u9f7f\u8f6e\u91c7\u7528\u8f6f\u9f7f\u9762\u3002\u67e5\u9605\u8868[1] \u88686-8\uff0c\u9009\u7528\u4ef7\u683c\u4fbf\u5b9c\u4fbf\u4e8e\u5236\u9020\u7684\u6750\u6599\uff0c\u5c0f\u9f7f\u8f6e\u6750\u6599\u4e3a45\u94a2\uff0c\u8c03\u8d28\uff0c\u9f7f\u9762\u786c\u5ea6260HBS\uff1b\u5927\u9f7f\u8f6e\u6750\u6599\u4e5f\u4e3a45\u94a2\uff0c\u6b63\u706b\u5904\u7406\uff0c\u786c\u5ea6\u4e3a215HBS\uff1b
\u7cbe\u5ea6\u7b49\u7ea7\uff1a\u8fd0\u8f93\u673a\u662f\u4e00\u822c\u673a\u5668\uff0c\u901f\u5ea6\u4e0d\u9ad8\uff0c\u6545\u90098\u7ea7\u7cbe\u5ea6\u3002
(2)\u6309\u9f7f\u9762\u63a5\u89e6\u75b2\u52b3\u5f3a\u5ea6\u8bbe\u8ba1
\u7531d1\u2265 (6712\u00d7kT1(u+1)/\u03c6du[\u03c3H]2)1/3
\u786e\u5b9a\u6709\u5173\u53c2\u6570\u5982\u4e0b\uff1a\u4f20\u52a8\u6bd4i\u9f7f=3.89
\u53d6\u5c0f\u9f7f\u8f6e\u9f7f\u6570Z1=20\u3002\u5219\u5927\u9f7f\u8f6e\u9f7f\u6570\uff1aZ2=iZ1= \u00d720=77.8\u53d6z2=78
\u7531\u8bfe\u672c\u88686-12\u53d6\u03c6d=1.1
(3)\u8f6c\u77e9T1
T1=9.55\u00d7106\u00d7P1/n1=9.55\u00d7106\u00d72.61/473.33=52660N?mm
(4)\u8f7d\u8377\u7cfb\u6570k : \u53d6k=1.2
(5)\u8bb8\u7528\u63a5\u89e6\u5e94\u529b[\u03c3H]
[\u03c3H]= \u03c3Hlim ZN/SHmin \u7531\u8bfe\u672c[1]\u56fe6-37\u67e5\u5f97\uff1a
\u03c3Hlim1=610Mpa \u03c3Hlim2=500Mpa
\u63a5\u89e6\u75b2\u52b3\u5bff\u547d\u7cfb\u6570Zn\uff1a\u6309\u4e00\u5e74300\u4e2a\u5de5\u4f5c\u65e5\uff0c\u6bcf\u592916h\u8ba1\u7b97\uff0c\u7531\u516c\u5f0fN=60njtn \u8ba1\u7b97
N1=60\u00d7473.33\u00d710\u00d7300\u00d718=1.36x109
N2=N/i=1.36x109 /3.89=3.4\u00d7108
\u67e5[1]\u8bfe\u672c\u56fe6-38\u4e2d\u66f2\u7ebf1\uff0c\u5f97 ZN1=1 ZN2=1.05
\u6309\u4e00\u822c\u53ef\u9760\u5ea6\u8981\u6c42\u9009\u53d6\u5b89\u5168\u7cfb\u6570SHmin=1.0
[\u03c3H]1=\u03c3Hlim1ZN1/SHmin=610x1/1=610 Mpa
[\u03c3H]2=\u03c3Hlim2ZN2/SHmin=500x1.05/1=525Mpa
\u6545\u5f97\uff1a
d1\u2265 (6712\u00d7kT1(u+1)/\u03c6du[\u03c3H]2)1/3
=49.04mm
\u6a21\u6570\uff1am=d1/Z1=49.04/20=2.45mm
\u53d6\u8bfe\u672c[1]P79\u6807\u51c6\u6a21\u6570\u7b2c\u4e00\u6570\u5217\u4e0a\u7684\u503c\uff0cm=2.5
(6)\u6821\u6838\u9f7f\u6839\u5f2f\u66f2\u75b2\u52b3\u5f3a\u5ea6
\u03c3 bb=2KT1YFS/bmd1
\u786e\u5b9a\u6709\u5173\u53c2\u6570\u548c\u7cfb\u6570
\u5206\u5ea6\u5706\u76f4\u5f84\uff1ad1=mZ1=2.5\u00d720mm=50mm
d2=mZ2=2.5\u00d778mm=195mm
\u9f7f\u5bbd\uff1ab=\u03c6dd1=1.1\u00d750mm=55mm
\u53d6b2=55mm b1=60mm
(7)\u590d\u5408\u9f7f\u5f62\u56e0\u6570YFs \u7531\u8bfe\u672c[1]\u56fe6-40\u5f97\uff1aYFS1=4.35,YFS2=3.95
(8)\u8bb8\u7528\u5f2f\u66f2\u5e94\u529b[\u03c3bb]
\u6839\u636e\u8bfe\u672c[1]P116\uff1a
[\u03c3bb]= \u03c3bblim YN/SFmin
\u7531\u8bfe\u672c[1]\u56fe6-41\u5f97\u5f2f\u66f2\u75b2\u52b3\u6781\u9650\u03c3bblim\u5e94\u4e3a\uff1a \u03c3bblim1=490Mpa \u03c3bblim2 =410Mpa
\u7531\u8bfe\u672c[1]\u56fe6-42\u5f97\u5f2f\u66f2\u75b2\u52b3\u5bff\u547d\u7cfb\u6570YN\uff1aYN1=1 YN2=1
\u5f2f\u66f2\u75b2\u52b3\u7684\u6700\u5c0f\u5b89\u5168\u7cfb\u6570SFmin \uff1a\u6309\u4e00\u822c\u53ef\u9760\u6027\u8981\u6c42\uff0c\u53d6SFmin =1
\u8ba1\u7b97\u5f97\u5f2f\u66f2\u75b2\u52b3\u8bb8\u7528\u5e94\u529b\u4e3a
[\u03c3bb1]=\u03c3bblim1 YN1/SFmin=490\u00d71/1=490Mpa
[\u03c3bb2]= \u03c3bblim2 YN2/SFmin =410\u00d71/1=410Mpa
\u6821\u6838\u8ba1\u7b97
\u03c3bb1=2kT1YFS1/ b1md1=71.86pa< [\u03c3bb1]
\u03c3bb2=2kT1YFS2/ b2md1=72.61Mpa< [\u03c3bb2]
\u6545\u8f6e\u9f7f\u9f7f\u6839\u5f2f\u66f2\u75b2\u52b3\u5f3a\u5ea6\u8db3\u591f
(9)\u8ba1\u7b97\u9f7f\u8f6e\u4f20\u52a8\u7684\u4e2d\u5fc3\u77e9a
a=(d1+d2)/2= (50+195)/2=122.5mm
(10)\u8ba1\u7b97\u9f7f\u8f6e\u7684\u5706\u5468\u901f\u5ea6V
\u8ba1\u7b97\u5706\u5468\u901f\u5ea6V=\u03c0n1d1/60\u00d71000=3.14\u00d7473.33\u00d750/60\u00d71000=1.23m/s
\u56e0\u4e3aV\uff1c6m/s\uff0c\u6545\u53d68\u7ea7\u7cbe\u5ea6\u5408\u9002\uff0e
\u516d\u3001\u8f74\u7684\u8bbe\u8ba1\u8ba1\u7b97
\u4ece\u52a8\u8f74\u8bbe\u8ba1
1\u3001\u9009\u62e9\u8f74\u7684\u6750\u6599 \u786e\u5b9a\u8bb8\u7528\u5e94\u529b
\u9009\u8f74\u7684\u6750\u6599\u4e3a45\u53f7\u94a2\uff0c\u8c03\u8d28\u5904\u7406\u3002\u67e5[2]\u886813-1\u53ef\u77e5\uff1a
\u03c3b=650Mpa,\u03c3s=360Mpa,\u67e5[2]\u886813-6\u53ef\u77e5\uff1a[\u03c3b+1]bb=215Mpa
[\u03c30]bb=102Mpa,[\u03c3-1]bb=60Mpa
2\u3001\u6309\u626d\u8f6c\u5f3a\u5ea6\u4f30\u7b97\u8f74\u7684\u6700\u5c0f\u76f4\u5f84
\u5355\u7ea7\u9f7f\u8f6e\u51cf\u901f\u5668\u7684\u4f4e\u901f\u8f74\u4e3a\u8f6c\u8f74\uff0c\u8f93\u51fa\u7aef\u4e0e\u8054\u8f74\u5668\u76f8\u63a5\uff0c
\u4ece\u7ed3\u6784\u8981\u6c42\u8003\u8651\uff0c\u8f93\u51fa\u7aef\u8f74\u5f84\u5e94\u6700\u5c0f\uff0c\u6700\u5c0f\u76f4\u5f84\u4e3a\uff1a
d\u2265C
\u67e5[2]\u886813-5\u53ef\u5f97\uff0c45\u94a2\u53d6C=118
\u5219d\u2265118\u00d7(2.53/121.67)1/3mm=32.44mm
\u8003\u8651\u952e\u69fd\u7684\u5f71\u54cd\u4ee5\u53ca\u8054\u8f74\u5668\u5b54\u5f84\u7cfb\u5217\u6807\u51c6\uff0c\u53d6d=35mm
3\u3001\u9f7f\u8f6e\u4e0a\u4f5c\u7528\u529b\u7684\u8ba1\u7b97
\u9f7f\u8f6e\u6240\u53d7\u7684\u8f6c\u77e9\uff1aT=9.55\u00d7106P/n=9.55\u00d7106\u00d72.53/121.67=198582 N
\u9f7f\u8f6e\u4f5c\u7528\u529b\uff1a
\u5706\u5468\u529b\uff1aFt=2T/d=2\u00d7198582/195N=2036N
\u5f84\u5411\u529b\uff1aFr=Fttan200=2036\u00d7tan200=741N
4\u3001\u8f74\u7684\u7ed3\u6784\u8bbe\u8ba1
\u8f74\u7ed3\u6784\u8bbe\u8ba1\u65f6\uff0c\u9700\u8981\u8003\u8651\u8f74\u7cfb\u4e2d\u76f8\u914d\u96f6\u4ef6\u7684\u5c3a\u5bf8\u4ee5\u53ca\u8f74\u4e0a\u96f6\u4ef6\u7684\u56fa\u5b9a\u65b9\u5f0f\uff0c\u6309\u6bd4\u4f8b\u7ed8\u5236\u8f74\u7cfb\u7ed3\u6784\u8349\u56fe\u3002
\uff081\uff09\u3001\u8054\u8f74\u5668\u7684\u9009\u62e9
\u53ef\u91c7\u7528\u5f39\u6027\u67f1\u9500\u8054\u8f74\u5668\uff0c\u67e5[2]\u88689.4\u53ef\u5f97\u8054\u8f74\u5668\u7684\u578b\u53f7\u4e3aHL3\u8054\u8f74\u5668\uff1a35\u00d782 GB5014-85
\uff082\uff09\u3001\u786e\u5b9a\u8f74\u4e0a\u96f6\u4ef6\u7684\u4f4d\u7f6e\u4e0e\u56fa\u5b9a\u65b9\u5f0f
\u5355\u7ea7\u51cf\u901f\u5668\u4e2d\uff0c\u53ef\u4ee5\u5c06\u9f7f\u8f6e\u5b89\u6392\u5728\u7bb1\u4f53\u4e2d\u592e\uff0c\u8f74\u627f\u5bf9\u79f0\u5e03\u7f6e
\u5728\u9f7f\u8f6e\u4e24\u8fb9\u3002\u8f74\u5916\u4f38\u7aef\u5b89\u88c5\u8054\u8f74\u5668\uff0c\u9f7f\u8f6e\u9760\u6cb9\u73af\u548c\u5957\u7b52\u5b9e\u73b0
\u8f74\u5411\u5b9a\u4f4d\u548c\u56fa\u5b9a\uff0c\u9760\u5e73\u952e\u548c\u8fc7\u76c8\u914d\u5408\u5b9e\u73b0\u5468\u5411\u56fa\u5b9a\uff0c\u4e24\u7aef\u8f74
\u627f\u9760\u5957\u7b52\u5b9e\u73b0\u8f74\u5411\u5b9a\u4f4d\uff0c\u9760\u8fc7\u76c8\u914d\u5408\u5b9e\u73b0\u5468\u5411\u56fa\u5b9a \uff0c\u8f74\u901a
\u8fc7\u4e24\u7aef\u8f74\u627f\u76d6\u5b9e\u73b0\u8f74\u5411\u5b9a\u4f4d\uff0c\u8054\u8f74\u5668\u9760\u8f74\u80a9\u5e73\u952e\u548c\u8fc7\u76c8\u914d\u5408
\u5206\u522b\u5b9e\u73b0\u8f74\u5411\u5b9a\u4f4d\u548c\u5468\u5411\u5b9a\u4f4d
\uff083\uff09\u3001\u786e\u5b9a\u5404\u6bb5\u8f74\u7684\u76f4\u5f84
\u5c06\u4f30\u7b97\u8f74d=35mm\u4f5c\u4e3a\u5916\u4f38\u7aef\u76f4\u5f84d1\u4e0e\u8054\u8f74\u5668\u76f8\u914d\uff08\u5982\u56fe\uff09\uff0c
\u8003\u8651\u8054\u8f74\u5668\u7528\u8f74\u80a9\u5b9e\u73b0\u8f74\u5411\u5b9a\u4f4d\uff0c\u53d6\u7b2c\u4e8c\u6bb5\u76f4\u5f84\u4e3ad2=40mm
\u9f7f\u8f6e\u548c\u5de6\u7aef\u8f74\u627f\u4ece\u5de6\u4fa7\u88c5\u5165\uff0c\u8003\u8651\u88c5\u62c6\u65b9\u4fbf\u4ee5\u53ca\u96f6\u4ef6\u56fa\u5b9a\u7684\u8981\u6c42\uff0c\u88c5\u8f74\u5904d3\u5e94\u5927\u4e8ed2\uff0c\u53d6d3=4 5mm\uff0c\u4e3a\u4fbf\u4e8e\u9f7f\u8f6e\u88c5\u62c6\u4e0e\u9f7f\u8f6e\u914d\u5408\u5904\u8f74\u5f84d4\u5e94\u5927\u4e8ed3\uff0c\u53d6d4=50mm\u3002\u9f7f\u8f6e\u5de6\u7aef\u7528\u7528\u5957\u7b52\u56fa\u5b9a,\u53f3\u7aef\u7528\u8f74\u73af\u5b9a\u4f4d,\u8f74\u73af\u76f4\u5f84d5
\u6ee1\u8db3\u9f7f\u8f6e\u5b9a\u4f4d\u7684\u540c\u65f6,\u8fd8\u5e94\u6ee1\u8db3\u53f3\u4fa7\u8f74\u627f\u7684\u5b89\u88c5\u8981\u6c42,\u6839\u636e\u9009\u5b9a\u8f74\u627f\u578b\u53f7\u786e\u5b9a.\u53f3\u7aef\u8f74\u627f\u578b\u53f7\u4e0e\u5de6\u7aef\u8f74\u627f\u76f8\u540c,\u53d6d6=45mm.
(4)\u9009\u62e9\u8f74\u627f\u578b\u53f7.\u7531[1]P270\u521d\u9009\u6df1\u6c9f\u7403\u8f74\u627f,\u4ee3\u53f7\u4e3a6209,\u67e5\u624b\u518c\u53ef\u5f97:\u8f74\u627f\u5bbd\u5ea6B=19,\u5b89\u88c5\u5c3a\u5bf8D=52,\u6545\u8f74\u73af\u76f4\u5f84d5=52mm.
(5\uff09\u786e\u5b9a\u8f74\u5404\u6bb5\u76f4\u5f84\u548c\u957f\u5ea6
\u2160\u6bb5\uff1ad1=35mm \u957f\u5ea6\u53d6L1=50mm
II\u6bb5:d2=40mm
\u521d\u9009\u75286209\u6df1\u6c9f\u7403\u8f74\u627f\uff0c\u5176\u5185\u5f84\u4e3a45mm,
\u5bbd\u5ea6\u4e3a19mm.\u8003\u8651\u9f7f\u8f6e\u7aef\u9762\u548c\u7bb1\u4f53\u5185\u58c1\uff0c\u8f74\u627f\u7aef\u9762\u548c\u7bb1\u4f53\u5185\u58c1\u5e94\u6709\u4e00\u5b9a\u8ddd\u79bb\u3002\u53d6\u5957\u7b52\u957f\u4e3a20mm\uff0c\u901a\u8fc7\u5bc6\u5c01\u76d6\u8f74\u6bb5\u957f\u5e94\u6839\u636e\u5bc6\u5c01\u76d6\u7684\u5bbd\u5ea6\uff0c\u5e76\u8003\u8651\u8054\u8f74\u5668\u548c\u7bb1\u4f53\u5916\u58c1\u5e94\u6709\u4e00\u5b9a\u77e9\u79bb\u800c\u5b9a\uff0c\u4e3a\u6b64\uff0c\u53d6\u8be5\u6bb5\u957f\u4e3a55mm\uff0c\u5b89\u88c5\u9f7f\u8f6e\u6bb5\u957f\u5ea6\u5e94\u6bd4\u8f6e\u6bc2\u5bbd\u5ea6\u5c0f2mm,\u6545II\u6bb5\u957f\uff1a
L2=\uff082+20+19+55\uff09=96mm
III\u6bb5\u76f4\u5f84d3=45mm
L3=L1-L=50-2=48mm
\u2163\u6bb5\u76f4\u5f84d4=50mm
\u957f\u5ea6\u4e0e\u53f3\u9762\u7684\u5957\u7b52\u76f8\u540c\uff0c\u5373L4=20mm
\u2164\u6bb5\u76f4\u5f84d5=52mm. \u957f\u5ea6L5=19mm
\u7531\u4e0a\u8ff0\u8f74\u5404\u6bb5\u957f\u5ea6\u53ef\u7b97\u5f97\u8f74\u652f\u627f\u8de8\u8dddL=96mm
(6)\u6309\u5f2f\u77e9\u590d\u5408\u5f3a\u5ea6\u8ba1\u7b97
\u2460\u6c42\u5206\u5ea6\u5706\u76f4\u5f84\uff1a\u5df2\u77e5d1=195mm
\u2461\u6c42\u8f6c\u77e9\uff1a\u5df2\u77e5T2=198.58N?m
\u2462\u6c42\u5706\u5468\u529b\uff1aFt
\u6839\u636e\u8bfe\u672cP127\uff086-34\uff09\u5f0f\u5f97
Ft=2T2/d2=2\u00d7198.58/195=2.03N
\u2463\u6c42\u5f84\u5411\u529bFr
\u6839\u636e\u8bfe\u672cP127\uff086-35\uff09\u5f0f\u5f97
Fr=Ft?tan\u03b1=2.03\u00d7tan200=0.741N
\u2464\u56e0\u4e3a\u8be5\u8f74\u4e24\u8f74\u627f\u5bf9\u79f0\uff0c\u6240\u4ee5\uff1aLA=LB=48mm
(1)\u7ed8\u5236\u8f74\u53d7\u529b\u7b80\u56fe\uff08\u5982\u56fea\uff09
\uff082\uff09\u7ed8\u5236\u5782\u76f4\u9762\u5f2f\u77e9\u56fe\uff08\u5982\u56feb\uff09
\u8f74\u627f\u652f\u53cd\u529b\uff1a
FAY=FBY=Fr/2=0.74/2=0.37N
FAZ=FBZ=Ft/2=2.03/2=1.01N
\u7531\u4e24\u8fb9\u5bf9\u79f0\uff0c\u77e5\u622a\u9762C\u7684\u5f2f\u77e9\u4e5f\u5bf9\u79f0\u3002\u622a\u9762C\u5728\u5782\u76f4\u9762\u5f2f\u77e9\u4e3a
MC1=FAyL/2=0.37\u00d796\u00f72=17.76N?m
\u622a\u9762C\u5728\u6c34\u5e73\u9762\u4e0a\u5f2f\u77e9\u4e3a\uff1a
MC2=FAZL/2=1.01\u00d796\u00f72=48.48N?m
(4)\u7ed8\u5236\u5408\u5f2f\u77e9\u56fe\uff08\u5982\u56fed\uff09
MC=(MC12+MC22)1/2=\uff0817.762+48.482)1/2=51.63N?m
(5)\u7ed8\u5236\u626d\u77e9\u56fe\uff08\u5982\u56fee\uff09
\u8f6c\u77e9\uff1aT=9.55\u00d7\uff08P2/n2\uff09\u00d7106=198.58N?m
(6)\u7ed8\u5236\u5f53\u91cf\u5f2f\u77e9\u56fe\uff08\u5982\u56fef\uff09
\u8f6c\u77e9\u4ea7\u751f\u7684\u626d\u526a\u6587\u6cbb\u6b66\u529f\u529b\u6309\u8109\u52a8\u5faa\u73af\u53d8\u5316\uff0c\u53d6\u03b1=0.2\uff0c\u622a\u9762C\u5904\u7684\u5f53\u91cf\u5f2f\u77e9\uff1a
Mec=[MC2+(\u03b1T)2]1/2
=[51.632+(0.2\u00d7198.58)2]1/2=65.13N?m
(7)\u6821\u6838\u5371\u9669\u622a\u9762C\u7684\u5f3a\u5ea6
\u7531\u5f0f\uff086-3\uff09
\u03c3e=65.13/0.1d33=65.13x1000/0.1\u00d7453
=7.14MPa< [\u03c3-1]b=60MPa
\u2234\u8be5\u8f74\u5f3a\u5ea6\u8db3\u591f\u3002
\u4e3b\u52a8\u8f74\u7684\u8bbe\u8ba1
1\u3001\u9009\u62e9\u8f74\u7684\u6750\u6599 \u786e\u5b9a\u8bb8\u7528\u5e94\u529b
\u9009\u8f74\u7684\u6750\u6599\u4e3a45\u53f7\u94a2\uff0c\u8c03\u8d28\u5904\u7406\u3002\u67e5[2]\u886813-1\u53ef\u77e5\uff1a
\u03c3b=650Mpa,\u03c3s=360Mpa,\u67e5[2]\u886813-6\u53ef\u77e5\uff1a[\u03c3b+1]bb=215Mpa
[\u03c30]bb=102Mpa,[\u03c3-1]bb=60Mpa
2\u3001\u6309\u626d\u8f6c\u5f3a\u5ea6\u4f30\u7b97\u8f74\u7684\u6700\u5c0f\u76f4\u5f84
\u5355\u7ea7\u9f7f\u8f6e\u51cf\u901f\u5668\u7684\u4f4e\u901f\u8f74\u4e3a\u8f6c\u8f74\uff0c\u8f93\u51fa\u7aef\u4e0e\u8054\u8f74\u5668\u76f8\u63a5\uff0c
\u4ece\u7ed3\u6784\u8981\u6c42\u8003\u8651\uff0c\u8f93\u51fa\u7aef\u8f74\u5f84\u5e94\u6700\u5c0f\uff0c\u6700\u5c0f\u76f4\u5f84\u4e3a\uff1a
d\u2265C
\u67e5[2]\u886813-5\u53ef\u5f97\uff0c45\u94a2\u53d6C=118
\u5219d\u2265118\u00d7(2.64/473.33)1/3mm=20.92mm
\u8003\u8651\u952e\u69fd\u7684\u5f71\u54cd\u4ee5\u7cfb\u5217\u6807\u51c6\uff0c\u53d6d=22mm
3\u3001\u9f7f\u8f6e\u4e0a\u4f5c\u7528\u529b\u7684\u8ba1\u7b97
\u9f7f\u8f6e\u6240\u53d7\u7684\u8f6c\u77e9\uff1aT=9.55\u00d7106P/n=9.55\u00d7106\u00d72.64/473.33=53265 N
\u9f7f\u8f6e\u4f5c\u7528\u529b\uff1a
\u5706\u5468\u529b\uff1aFt=2T/d=2\u00d753265/50N=2130N
\u5f84\u5411\u529b\uff1aFr=Fttan200=2130\u00d7tan200=775N
\u786e\u5b9a\u8f74\u4e0a\u96f6\u4ef6\u7684\u4f4d\u7f6e\u4e0e\u56fa\u5b9a\u65b9\u5f0f
\u5355\u7ea7\u51cf\u901f\u5668\u4e2d\uff0c\u53ef\u4ee5\u5c06\u9f7f\u8f6e\u5b89\u6392\u5728\u7bb1\u4f53\u4e2d\u592e\uff0c\u8f74\u627f\u5bf9\u79f0\u5e03\u7f6e
\u5728\u9f7f\u8f6e\u4e24\u8fb9\u3002\u9f7f\u8f6e\u9760\u6cb9\u73af\u548c\u5957\u7b52\u5b9e\u73b0 \u8f74\u5411\u5b9a\u4f4d\u548c\u56fa\u5b9a
\uff0c\u9760\u5e73\u952e\u548c\u8fc7\u76c8\u914d\u5408\u5b9e\u73b0\u5468\u5411\u56fa\u5b9a\uff0c\u4e24\u7aef\u8f74
\u627f\u9760\u5957\u7b52\u5b9e\u73b0\u8f74\u5411\u5b9a\u4f4d\uff0c\u9760\u8fc7\u76c8\u914d\u5408\u5b9e\u73b0\u5468\u5411\u56fa\u5b9a \uff0c\u8f74\u901a
\u8fc7\u4e24\u7aef\u8f74\u627f\u76d6\u5b9e\u73b0\u8f74\u5411\u5b9a\u4f4d\uff0c
4 \u786e\u5b9a\u8f74\u7684\u5404\u6bb5\u76f4\u5f84\u548c\u957f\u5ea6
\u521d\u9009\u75286206\u6df1\u6c9f\u7403\u8f74\u627f\uff0c\u5176\u5185\u5f84\u4e3a30mm,
\u5bbd\u5ea6\u4e3a16mm.\u3002\u8003\u8651\u9f7f\u8f6e\u7aef\u9762\u548c\u7bb1\u4f53\u5185\u58c1\uff0c\u8f74\u627f\u7aef\u9762\u4e0e\u7bb1\u4f53\u5185\u58c1\u5e94\u6709\u4e00\u5b9a\u77e9\u79bb\uff0c\u5219\u53d6\u5957\u7b52\u957f\u4e3a20mm\uff0c\u5219\u8be5\u6bb5\u957f36mm\uff0c\u5b89\u88c5\u9f7f\u8f6e\u6bb5\u957f\u5ea6\u4e3a\u8f6e\u6bc2\u5bbd\u5ea6\u4e3a2mm\u3002
(2)\u6309\u5f2f\u626d\u590d\u5408\u5f3a\u5ea6\u8ba1\u7b97
\u2460\u6c42\u5206\u5ea6\u5706\u76f4\u5f84\uff1a\u5df2\u77e5d2=50mm
\u2461\u6c42\u8f6c\u77e9\uff1a\u5df2\u77e5T=53.26N?m
\u2462\u6c42\u5706\u5468\u529bFt\uff1a\u6839\u636e\u8bfe\u672cP127\uff086-34\uff09\u5f0f\u5f97
Ft=2T3/d2=2\u00d753.26/50=2.13N
\u2463\u6c42\u5f84\u5411\u529bFr\u6839\u636e\u8bfe\u672cP127\uff086-35\uff09\u5f0f\u5f97
Fr=Ft?tan\u03b1=2.13\u00d70.36379=0.76N
\u2464\u2235\u4e24\u8f74\u627f\u5bf9\u79f0
\u2234LA=LB=50mm
(1)\u6c42\u652f\u53cd\u529bFAX\u3001FBY\u3001FAZ\u3001FBZ
FAX=FBY=Fr/2=0.76/2=0.38N
FAZ=FBZ=Ft/2=2.13/2=1.065N
(2) \u622a\u9762C\u5728\u5782\u76f4\u9762\u5f2f\u77e9\u4e3a
MC1=FAxL/2=0.38\u00d7100/2=19N?m
(3)\u622a\u9762C\u5728\u6c34\u5e73\u9762\u5f2f\u77e9\u4e3a
MC2=FAZL/2=1.065\u00d7100/2=52.5N?m
(4)\u8ba1\u7b97\u5408\u6210\u5f2f\u77e9
MC=\uff08MC12+MC22\uff091/2
=\uff08192+52.52\uff091/2
=55.83N?m
(5)\u8ba1\u7b97\u5f53\u91cf\u5f2f\u77e9\uff1a\u6839\u636e\u8bfe\u672cP235\u5f97\u03b1=0.4
Mec=[MC2+(\u03b1T)2]1/2=[55.832+(0.4\u00d753.26)2]1/2
=59.74N?m
(6)\u6821\u6838\u5371\u9669\u622a\u9762C\u7684\u5f3a\u5ea6
\u7531\u5f0f\uff0810-3\uff09
\u03c3e=Mec/\uff080.1d3\uff09=59.74x1000/(0.1\u00d7303)
=22.12Mpa<[\u03c3-1]b=60Mpa
\u2234\u6b64\u8f74\u5f3a\u5ea6\u8db3\u591f
\uff087\uff09 \u6eda\u52a8\u8f74\u627f\u7684\u9009\u62e9\u53ca\u6821\u6838\u8ba1\u7b97
\u4e00\u4ece\u52a8\u8f74\u4e0a\u7684\u8f74\u627f
\u6839\u636e\u6839\u636e\u6761\u4ef6\uff0c\u8f74\u627f\u9884\u8ba1\u5bff\u547d
L'h=10\u00d7300\u00d716=48000h
(1)\u7531\u521d\u9009\u7684\u8f74\u627f\u7684\u578b\u53f7\u4e3a: 6209,
\u67e5[1]\u886814-19\u53ef\u77e5:d=55mm,\u5916\u5f84D=85mm,\u5bbd\u5ea6B=19mm,\u57fa\u672c\u989d\u5b9a\u52a8\u8f7d\u8377C=31.5KN, \u57fa\u672c\u9759\u8f7d\u8377CO=20.5KN,
\u67e5[2]\u886810.1\u53ef\u77e5\u6781\u9650\u8f6c\u901f9000r/min
\uff081\uff09\u5df2\u77e5nII=121.67(r/min)
\u4e24\u8f74\u627f\u5f84\u5411\u53cd\u529b\uff1aFR1=FR2=1083N
\u6839\u636e\u8bfe\u672cP265\uff0811-12\uff09\u5f97\u8f74\u627f\u5185\u90e8\u8f74\u5411\u529b
FS=0.63FR \u5219FS1=FS2=0.63FR1=0.63x1083=682N
(2) \u2235FS1+Fa=FS2 Fa=0
\u6545\u4efb\u610f\u53d6\u4e00\u7aef\u4e3a\u538b\u7d27\u7aef\uff0c\u73b0\u53d61\u7aef\u4e3a\u538b\u7d27\u7aef
FA1=FS1=682N FA2=FS2=682N
(3)\u6c42\u7cfb\u6570x\u3001y
FA1/FR1=682N/1038N =0.63
FA2/FR2=682N/1038N =0.63
\u6839\u636e\u8bfe\u672cP265\u8868\uff0814-14\uff09\u5f97e=0.68
FA1/FR1<e x1=1 FA2/FR2<e x2=1
y1=0 y2=0
(4)\u8ba1\u7b97\u5f53\u91cf\u8f7d\u8377P1\u3001P2
\u6839\u636e\u8bfe\u672cP264\u8868\uff0814-12\uff09\u53d6f P=1.5
\u6839\u636e\u8bfe\u672cP264\uff0814-7\uff09\u5f0f\u5f97
P1=fP(x1FR1+y1FA1)=1.5\u00d7(1\u00d71083+0)=1624N
P2=fp(x2FR1+y2FA2)= 1.5\u00d7(1\u00d71083+0)=1624N
(5)\u8f74\u627f\u5bff\u547d\u8ba1\u7b97
\u2235P1=P2 \u6545\u53d6P=1624N
\u2235\u6df1\u6c9f\u7403\u8f74\u627f\u03b5=3
\u6839\u636e\u624b\u518c\u5f976209\u578b\u7684Cr=31500N
\u7531\u8bfe\u672cP264\uff0814-5\uff09\u5f0f\u5f97
LH=106(ftCr/P)\u03b5/60n
=106(1\u00d731500/1624)3/60X121.67=998953h>48000h
\u2234\u9884\u671f\u5bff\u547d\u8db3\u591f
\u4e8c.\u4e3b\u52a8\u8f74\u4e0a\u7684\u8f74\u627f:
(1)\u7531\u521d\u9009\u7684\u8f74\u627f\u7684\u578b\u53f7\u4e3a:6206
\u67e5[1]\u886814-19\u53ef\u77e5:d=30mm,\u5916\u5f84D=62mm,\u5bbd\u5ea6B=16mm,
\u57fa\u672c\u989d\u5b9a\u52a8\u8f7d\u8377C=19.5KN,\u57fa\u672c\u9759\u8f7d\u8377CO=111.5KN,
\u67e5[2]\u886810.1\u53ef\u77e5\u6781\u9650\u8f6c\u901f13000r/min
\u6839\u636e\u6839\u636e\u6761\u4ef6\uff0c\u8f74\u627f\u9884\u8ba1\u5bff\u547d
L'h=10\u00d7300\u00d716=48000h
\uff081\uff09\u5df2\u77e5nI=473.33(r/min)
\u4e24\u8f74\u627f\u5f84\u5411\u53cd\u529b\uff1aFR1=FR2=1129N
\u6839\u636e\u8bfe\u672cP265\uff0811-12\uff09\u5f97\u8f74\u627f\u5185\u90e8\u8f74\u5411\u529b
FS=0.63FR \u5219FS1=FS2=0.63FR1=0.63x1129=711.8N
(2) \u2235FS1+Fa=FS2 Fa=0
\u6545\u4efb\u610f\u53d6\u4e00\u7aef\u4e3a\u538b\u7d27\u7aef\uff0c\u73b0\u53d61\u7aef\u4e3a\u538b\u7d27\u7aef
FA1=FS1=711.8N FA2=FS2=711.8N
(3)\u6c42\u7cfb\u6570x\u3001y
FA1/FR1=711.8N/711.8N =0.63
FA2/FR2=711.8N/711.8N =0.63
\u6839\u636e\u8bfe\u672cP265\u8868\uff0814-14\uff09\u5f97e=0.68
FA1/FR1<e x1=1 FA2/FR2<e x2=1
y1=0 y2=0
(4)\u8ba1\u7b97\u5f53\u91cf\u8f7d\u8377P1\u3001P2
\u6839\u636e\u8bfe\u672cP264\u8868\uff0814-12\uff09\u53d6f P=1.5
\u6839\u636e\u8bfe\u672cP264\uff0814-7\uff09\u5f0f\u5f97
P1=fP(x1FR1+y1FA1)=1.5\u00d7(1\u00d71129+0)=1693.5N
P2=fp(x2FR1+y2FA2)=1.5\u00d7(1\u00d71129+0)= 1693.5N
(5)\u8f74\u627f\u5bff\u547d\u8ba1\u7b97
\u2235P1=P2 \u6545\u53d6P=1693.5N
\u2235\u6df1\u6c9f\u7403\u8f74\u627f\u03b5=3
\u6839\u636e\u624b\u518c\u5f976206\u578b\u7684Cr=19500N
\u7531\u8bfe\u672cP264\uff0814-5\uff09\u5f0f\u5f97
LH=106(ftCr/P)\u03b5/60n
=106(1\u00d719500/1693.5)3/60X473.33=53713h>48000h
\u2234\u9884\u671f\u5bff\u547d\u8db3\u591f
\u4e03\u3001\u952e\u8054\u63a5\u7684\u9009\u62e9\u53ca\u6821\u6838\u8ba1\u7b97
1\uff0e\u6839\u636e\u8f74\u5f84\u7684\u5c3a\u5bf8\uff0c\u7531[1]\u4e2d\u886812-6
\u9ad8\u901f\u8f74(\u4e3b\u52a8\u8f74)\u4e0eV\u5e26\u8f6e\u8054\u63a5\u7684\u952e\u4e3a\uff1a\u952e8\u00d736 GB1096-79
\u5927\u9f7f\u8f6e\u4e0e\u8f74\u8fde\u63a5\u7684\u952e\u4e3a\uff1a\u952e 14\u00d745 GB1096-79
\u8f74\u4e0e\u8054\u8f74\u5668\u7684\u952e\u4e3a\uff1a\u952e10\u00d740 GB1096-79
2\uff0e\u952e\u7684\u5f3a\u5ea6\u6821\u6838
\u5927\u9f7f\u8f6e\u4e0e\u8f74\u4e0a\u7684\u952e \uff1a\u952e14\u00d745 GB1096-79
b\u00d7h=14\u00d79,L=45,\u5219Ls=L-b=31mm
\u5706\u5468\u529b\uff1aFr=2TII/d=2\u00d7198580/50=7943.2N
\u6324\u538b\u5f3a\u5ea6\uff1a =56.93<125~150MPa=[\u03c3p]
\u56e0\u6b64\u6324\u538b\u5f3a\u5ea6\u8db3\u591f
\u526a\u5207\u5f3a\u5ea6\uff1a =36.60<120MPa=[ ]
\u56e0\u6b64\u526a\u5207\u5f3a\u5ea6\u8db3\u591f
\u952e8\u00d736 GB1096-79\u548c\u952e10\u00d740 GB1096-79\u6839\u636e\u4e0a\u9762\u7684\u6b65\u9aa4\u6821\u6838\uff0c\u5e76\u4e14\u7b26\u5408\u8981\u6c42\u3002
\u516b\u3001\u51cf\u901f\u5668\u7bb1\u4f53\u3001\u7bb1\u76d6\u53ca\u9644\u4ef6\u7684\u8bbe\u8ba1\u8ba1\u7b97~
1\u3001\u51cf\u901f\u5668\u9644\u4ef6\u7684\u9009\u62e9
\u901a\u6c14\u5668
\u7531\u4e8e\u5728\u5ba4\u5185\u4f7f\u7528\uff0c\u9009\u901a\u6c14\u5668\uff08\u4e00\u6b21\u8fc7\u6ee4\uff09\uff0c\u91c7\u7528M18\u00d71.5
\u6cb9\u9762\u6307\u793a\u5668
\u9009\u7528\u6e38\u6807\u5c3aM12
\u8d77\u540a\u88c5\u7f6e
\u91c7\u7528\u7bb1\u76d6\u540a\u8033\u3001\u7bb1\u5ea7\u540a\u8033.
\u653e\u6cb9\u87ba\u585e
\u9009\u7528\u5916\u516d\u89d2\u6cb9\u585e\u53ca\u57ab\u7247M18\u00d71.5
\u6839\u636e\u300a\u673a\u68b0\u8bbe\u8ba1\u57fa\u7840\u8bfe\u7a0b\u8bbe\u8ba1\u300b\u88685.3\u9009\u62e9\u9002\u5f53\u578b\u53f7\uff1a
\u8d77\u76d6\u87ba\u9489\u578b\u53f7\uff1aGB/T5780 M18\u00d730,\u6750\u6599Q235
\u9ad8\u901f\u8f74\u8f74\u627f\u76d6\u4e0a\u7684\u87ba\u9489\uff1aGB5783\uff5e86 M8X12,\u6750\u6599Q235
\u4f4e\u901f\u8f74\u8f74\u627f\u76d6\u4e0a\u7684\u87ba\u9489\uff1aGB5783\uff5e86 M8\u00d720,\u6750\u6599Q235
\u87ba\u6813\uff1aGB5782\uff5e86 M14\u00d7100\uff0c\u6750\u6599Q235
\u7bb1\u4f53\u7684\u4e3b\u8981\u5c3a\u5bf8\uff1a
\uff1a
(1)\u7bb1\u5ea7\u58c1\u539az=0.025a+1=0.025\u00d7122.5+1= 4.0625 \u53d6z=8
(2)\u7bb1\u76d6\u58c1\u539az1=0.02a+1=0.02\u00d7122.5+1= 3.45
\u53d6z1=8
(3)\u7bb1\u76d6\u51f8\u7f18\u539a\u5ea6b1=1.5z1=1.5\u00d78=12
(4)\u7bb1\u5ea7\u51f8\u7f18\u539a\u5ea6b=1.5z=1.5\u00d78=12
(5)\u7bb1\u5ea7\u5e95\u51f8\u7f18\u539a\u5ea6b2=2.5z=2.5\u00d78=20
(6)\u5730\u811a\u87ba\u9489\u76f4\u5f84df =0.036a+12=
0.036\u00d7122.5+12=16.41(\u53d618)
(7)\u5730\u811a\u87ba\u9489\u6570\u76een=4 (\u56e0\u4e3aa<250)
(8)\u8f74\u627f\u65c1\u8fde\u63a5\u87ba\u6813\u76f4\u5f84d1= 0.75df =0.75\u00d718= 13.5 (\u53d614)
(9)\u76d6\u4e0e\u5ea7\u8fde\u63a5\u87ba\u6813\u76f4\u5f84 d2=(0.5-0.6)df =0.55\u00d7 18=9.9 (\u53d610)
(10)\u8fde\u63a5\u87ba\u6813d2\u7684\u95f4\u8dddL=150-200
(11)\u8f74\u627f\u7aef\u76d6\u87ba\u9489\u76f4d3=(0.4-0.5)df=0.4\u00d718=7.2(\u53d68)
(12)\u68c0\u67e5\u5b54\u76d6\u87ba\u9489d4=(0.3-0.4)df=0.3\u00d718=5.4 (\u53d66)
(13)\u5b9a\u4f4d\u9500\u76f4\u5f84d=(0.7-0.8)d2=0.8\u00d710=8
(14)df.d1.d2\u81f3\u5916\u7bb1\u58c1\u8ddd\u79bbC1
(15) Df.d2
(16)\u51f8\u53f0\u9ad8\u5ea6\uff1a\u6839\u636e\u4f4e\u901f\u7ea7\u8f74\u627f\u5ea7\u5916\u5f84\u786e\u5b9a\uff0c\u4ee5\u4fbf\u4e8e\u6273\u624b\u64cd\u4f5c\u4e3a\u51c6\u3002
(17)\u5916\u7bb1\u58c1\u81f3\u8f74\u627f\u5ea7\u7aef\u9762\u7684\u8ddd\u79bbC1\uff0bC2\uff0b\uff085\uff5e10\uff09
(18)\u9f7f\u8f6e\u9876\u5706\u4e0e\u5185\u7bb1\u58c1\u95f4\u7684\u8ddd\u79bb\uff1a\uff1e9.6 mm
(19)\u9f7f\u8f6e\u7aef\u9762\u4e0e\u5185\u7bb1\u58c1\u95f4\u7684\u8ddd\u79bb\uff1a=12 mm
(20)\u7bb1\u76d6\uff0c\u7bb1\u5ea7\u808b\u539a\uff1am1=8 mm,m2=8 mm
(21)\u8f74\u627f\u7aef\u76d6\u5916\u5f84\u2236D\uff0b\uff085\uff5e5\uff0e5\uff09d3
D\uff5e\u8f74\u627f\u5916\u5f84
(22)\u8f74\u627f\u65c1\u8fde\u63a5\u87ba\u6813\u8ddd\u79bb\uff1a\u5c3d\u53ef\u80fd\u9760\u8fd1\uff0c\u4ee5Md1\u548cMd3 \u4e92\u4e0d\u5e72\u6d89\u4e3a\u51c6\uff0c\u4e00\u822c\u53d6S\uff1dD2.
\u4e5d\u3001\u6da6\u6ed1\u4e0e\u5bc6\u5c01
1.\u9f7f\u8f6e\u7684\u6da6\u6ed1
\u91c7\u7528\u6d78\u6cb9\u6da6\u6ed1\uff0c\u7531\u4e8e\u4e3a\u5355\u7ea7\u5706\u67f1\u9f7f\u8f6e\u51cf\u901f\u5668\uff0c\u901f\u5ea6\u03bd<12m/s\uff0c\u5f53m<20 \u65f6\uff0c\u6d78\u6cb9\u6df1\u5ea6h\u7ea6\u4e3a1\u4e2a\u9f7f\u9ad8\uff0c\u4f46\u4e0d\u5c0f\u4e8e10mm\uff0c\u6240\u4ee5\u6d78\u6cb9\u9ad8\u5ea6\u7ea6\u4e3a36mm\u3002
2.\u6eda\u52a8\u8f74\u627f\u7684\u6da6\u6ed1
\u7531\u4e8e\u8f74\u627f\u5468\u5411\u901f\u5ea6\u4e3a\uff0c\u6240\u4ee5\u5b9c\u5f00\u8bbe\u6cb9\u6c9f\u3001\u98de\u6e85\u6da6\u6ed1\u3002
3.\u6da6\u6ed1\u6cb9\u7684\u9009\u62e9
\u9f7f\u8f6e\u4e0e\u8f74\u627f\u7528\u540c\u79cd\u6da6\u6ed1\u6cb9\u8f83\u4e3a\u4fbf\u5229\uff0c\u8003\u8651\u5230\u8be5\u88c5\u7f6e\u7528\u4e8e\u5c0f\u578b\u8bbe\u5907\uff0c\u9009\u7528GB443-89\u5168\u635f\u8017\u7cfb\u7edf\u7528\u6cb9L-AN15\u6da6\u6ed1\u6cb9\u3002
4.\u5bc6\u5c01\u65b9\u6cd5\u7684\u9009\u53d6
\u9009\u7528\u51f8\u7f18\u5f0f\u7aef\u76d6\u6613\u4e8e\u8c03\u6574\uff0c\u91c7\u7528\u95f7\u76d6\u5b89\u88c5\u9aa8\u67b6\u5f0f\u65cb\u8f6c\u8f74\u5507\u578b\u5bc6\u5c01\u5708\u5b9e\u73b0\u5bc6\u5c01\u3002\u5bc6\u5c01\u5708\u578b\u53f7\u6309\u6240\u88c5\u914d\u8f74\u7684\u76f4\u5f84\u786e\u5b9a\u4e3aGB894.1-86-25\u8f74\u627f\u76d6\u7ed3\u6784\u5c3a\u5bf8\u6309\u7528\u5176\u5b9a\u4f4d\u7684\u8f74\u627f\u7684\u5916\u5f84\u51b3\u5b9a\u3002
\u5341\u3001\u8bbe\u8ba1\u5c0f\u7ed3
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绛旓細銆愪紶鍔ㄦ柟妗堟嫙瀹氥戝伐浣滄潯浠讹細浣跨敤骞撮檺10骞达紝姣忓勾鎸300澶╄绠楋紝涓ょ彮鍒跺伐浣滐紝杞借嵎骞崇ǔ銆傚師濮嬫暟鎹細婊氱瓛鍦嗗懆鍔汧=1.7KN锛涘甫閫烿=1.4m/s锛涙粴绛掔洿寰凞=220mm銆傘愮數鍔鏈虹殑閫夋嫨銆戠數鍔ㄦ満绫诲瀷鍜岀粨鏋勫瀷寮忕殑閫夋嫨锛氭寜宸茬煡鐨勫伐浣滆姹傚拰 鏉′欢锛岄夌敤 Y绯诲垪涓夌浉寮傛鐢靛姩鏈恒傜‘瀹氱數鍔ㄦ満鐨勫姛鐜囷細浼犲姩瑁呯疆鐨勬绘晥鐜囷細畏鎬=...
绛旓細缁欎綘涓緥瀛,鑷繁鍐嶇畻. 涓銆佷紶鍔ㄦ柟妗堟嫙瀹 绗簩缁勭涓変釜鏁版嵁锛璁捐甯﹀紡杈撻鏈轰紶鍔ㄨ缃腑鐨勪竴绾у渾鏌遍娇杞噺閫熷櫒 锛1锛 宸ヤ綔鏉′欢锛氫娇鐢ㄥ勾闄10骞达紝姣忓勾鎸300澶╄绠楋紝涓ょ彮鍒跺伐浣滐紝杞借嵎骞崇ǔ銆 锛2锛 鍘熷鏁版嵁锛氭粴绛掑渾鍛ㄥ姏F=1.7KN锛涘甫閫烿=1.4m/s锛 婊氱瓛鐩...
绛旓細闄よ繘琛岀函绮圭殑鐗╂枡杈撻佸,杩樺彲浠ヤ笌鍚勫伐涓氫紒涓氱敓浜ф祦绋嬩腑鐨勫伐鑹鸿繃绋嬬殑瑕佹眰鐩搁厤鍚,褰㈡垚鏈夎妭濂忕殑娴佹按浣滀笟杩愯緭绾裤傛墍浠甯﹀紡杈撻佹満骞挎硾搴旂敤浜庣幇浠ｅ寲鐨勫悇绉嶅伐涓氫紒涓氫腑銆傚湪鐭垮北鐨勪簳涓嬪贩閬撱佺熆浜曞湴闈㈣繍杈撶郴缁熴侀湶澶╅噰鐭垮満鍙婇夌熆鍘備腑,骞挎硾搴旂敤甯﹀紡杈撻佹満銆傚畠鐢ㄤ簬姘村钩杩愯緭鎴栧炬枩杩愯緭銆備娇鐢ㄩ潪甯告柟渚裤 杈撻佹満鍙戝睍鍘嗗彶 涓浗鍙や唬鐨勯珮...
绛旓細涓昏鏁版嵁涓:1銆璁捐瑕佹眰:甯﹀紡杈撻鏈轰紶鍔ㄨ缃閲囩敤浜岀骇鍦嗘煴榻胯疆鍑忛熷櫒,宸ヤ綔鏉′欢:鍗曞悜杩愯浆,鏈夎交寰尟鍔,缁忓父婊¤浇,绌鸿浇璧峰姩,涓ょ彮鍒跺伐浣,浣跨敤鏈熼檺10骞,杈撻佸甫閫熷害瀹硅璇樊涓郝5%銆... 涓昏鏁版嵁涓:1銆佽璁¤姹:甯﹀紡杈撻佹満浼犲姩瑁呯疆閲囩敤浜岀骇鍦嗘煴榻胯疆鍑忛熷櫒,宸ヤ綔鏉′欢:鍗曞悜杩愯浆,鏈夎交寰尟鍔,缁忓父婊¤浇,绌鸿浇璧峰姩,涓ょ彮鍒跺伐浣,浣跨敤...
绛旓細鍚堢悊鍏厤閫熸瘮,璁捐璁＄畻榻胯疆,杞村強鍚勯浂閮ㄤ欢鐨勫己搴,鍒氬害銆傚垎鏋愭棤渚ч棿闅欎紶鍔ㄧ殑鍩烘湰鐞嗚鍙婁繚璇佹帾鏂姐3 浼犲姩鏂规鐨勫垎鏋愪笌鎷熷畾鍑忛熷櫒閲囩敤鍙岀骇鍦嗘煴灞曞紑寮忛娇杞噺閫熷櫒銆4 鐢靛姩鏈虹殑閫夋嫨5 浼犲姩瑁呯疆鐨勮繍鍔ㄥ強鍔ㄥ姏鍙傛暟鐨勯夋嫨鍜岃绠5.1 浼犲姩瑁呭鐨勬绘晥鐜囦负畏=畏12畏22畏33畏4=0.992 0.972 0.993 0.96=0.872 (5.1) 畏1涓鸿仈杞村櫒...
绛旓細鍙傝冭祫鏂欙細www.mxbgw.com涓銆佷紶鍔ㄦ柟妗堟嫙瀹 绗簩缁勭涓変釜鏁版嵁锛璁捐甯﹀紡杈撻佹満浼犲姩瑁呯疆涓鐨勪竴绾у渾鏌遍娇杞噺閫熷櫒 锛1锛 宸ヤ綔鏉′欢锛氫娇鐢ㄥ勾闄10骞达紝姣忓勾鎸300澶╄绠楋紝涓ょ彮鍒跺伐浣滐紝杞借嵎骞崇ǔ銆傦紙2锛 鍘熷鏁版嵁锛氭粴绛掑渾鍛ㄥ姏F=1.7KN锛涘甫閫烿=1.4m/s锛涙粴绛掔洿寰凞=220mm銆傝繍鍔ㄧ畝鍥 浜屻佺數鍔鏈虹殑閫夋嫨 1銆...
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绛旓細涓銆佷紶鍔ㄦ柟妗堟嫙瀹氱浜岀粍绗笁涓暟鎹:璁捐甯﹀紡杈撻佹満浼犲姩瑁呯疆涓鐨勪竴绾у渾鏌遍娇杞噺閫熷櫒(1) 宸ヤ綔鏉′欢:浣跨敤骞撮檺10骞,姣忓勾鎸300澶╄绠,涓ょ彮鍒跺伐浣,杞借嵎骞崇ǔ銆(2) 鍘熷鏁版嵁:婊氱瓛鍦嗗懆鍔汧=1.7KN;甯﹂烿=1.4m/s;婊氱瓛鐩村緞D=220mm銆 杩愬姩绠鍥句簩銆佺數鍔鏈虹殑閫夋嫨1銆佺數鍔ㄦ満绫诲瀷鍜岀粨鏋勫瀷寮忕殑閫夋嫨:鎸夊凡鐭ョ殑宸ヤ綔瑕佹眰鍜 鏉′欢,...
绛旓細涓銆佷紶鍔ㄦ柟妗堟嫙瀹氱浜岀粍绗笁涓暟鎹:璁捐甯﹀紡杈撻佹満浼犲姩瑁呯疆涓鐨勪竴绾у渾鏌遍娇杞噺閫熷櫒(1) 宸ヤ綔鏉′欢:浣跨敤骞撮檺10骞,姣忓勾鎸300澶╄绠,涓ょ彮鍒跺伐浣,杞借嵎骞崇ǔ銆(2) 鍘熷鏁版嵁:婊氱瓛鍦嗗懆鍔汧=1.7KN;甯﹂烿=1.4m/s;婊氱瓛鐩村緞D=220mm銆 杩愬姩绠鍥句簩銆佺數鍔鏈虹殑閫夋嫨1銆佺數鍔ㄦ満绫诲瀷鍜岀粨鏋勫瀷寮忕殑閫夋嫨:鎸夊凡鐭ョ殑宸ヤ綔瑕佹眰鍜 鏉′欢,...
绛旓細鏈烘璁捐璇剧▼璁捐甯﹀紡杈撻鏈轰紶鍔ㄨ缃璇存槑涔﹀崟绾у渾鏌遍娇杞噺閫熷櫒杈撻佸甫宸ヤ綔鎷夊姏涓2800N杈撻佸甫宸ヤ綔閫熷害涓1.4(M/S)婊氱瓛鐩村緞350MM... 鏈烘璁捐璇剧▼璁捐甯﹀紡杈撻佹満浼犲姩瑁呯疆璇存槑涔﹀崟绾у渾鏌遍娇杞噺閫熷櫒 杈撻佸甫宸ヤ綔鎷夊姏涓2800N 杈撻佸甫宸ヤ綔閫熷害涓1.4(M/S)婊氱瓛鐩村緞350MM 灞曞紑 ...
