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机械原理大作业 连杆结构运动分析 董欣 - 图文

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6. 计算结果分析

原动件AB为曲柄,转动范围0~360°,本程序设AB杆与x轴正向夹角为0时为起始位置,以10rad/s的角速度逆时针旋转。本程序分析以原动件旋转1/2°为计算步长。

当原动件转至ψ1=5.7°左右时,F运动至最左端,坐标为(463.3mm,65mm) 至ψ1=200°左右时,F运动至最右端,坐标为(826.5mm,65mm)

由点F的位移图、速度图、加速度图可知,滑块先是向左运动,做加速度减小的减速运动,运动至F点坐标处(463.3mm,65mm)后返向(此时ψ1=5.7°),向右做加速度一直减小的先加速后减速运动直至速度为零,再向左做加速度一直增大的加速运动至最右端F坐标(826.5mm,65mm)(此时ψ1=200°),最后向左做加速度减小的减速运动,完成一个周期的运动。

9

结果输出表格

角度 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

位移(mm) 1.877424 3.773196 5.686648 7.617071 9.563717 11.525794 13.502472 15.492878 17.496096 19.511173 21.537112 23.572877 25.617393 27.669545 29.728181 31.792111 33.860111 35.930920 38.003246 40.075766 42.147127 44.215946 46.280818 48.340312 50.392976 52.437340 54.471916 56.495203 58.505688 60.501850 速度(m/s) 10.809411 10.912622 11.011891 11.106984 11.197667 11.283703 11.364856 11.440890 11.511568 11.576658 11.635926 11.689145 11.736089 11.776540 11.810281 11.837106 11.856813 11.869209 11.874111 11.871343 11.860742 11.842154 11.815438 11.780465 11.737120 11.685301 11.624920 11.555906 11.478200 11.391762 加速度(m/s2) 602.318447 580.393892 557.140416 532.545785 506.601231 479.301640 450.645736 420.636249 389.280068 356.588380 322.576787 287.265408 250.678956 212.846797 173.802977 133.586249 92.240035 49.812407 6.356010 -38.072020 -83.410179 -129.592730 -176.549873 -224.207929 -272.489558 -321.313991 -370.597287 -420.252609 -470.190519 -520.319292 10

角度 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 位移(mm) -16.405044 速度(mm/s) 加速度(m/s2) -7.929395 403.164163 -17.782844 -7.858408 410.290064 -19.148146 -7.786195 417.208490 -20.500739 -7.712793 423.920098 -21.840418 -7.638237 430.425538 -23.166986 -7.562564 436.725474 -24.480251 -7.485809 442.820593 -25.780027 -7.408008 448.711622 -27.066134 -7.329197 454.399338 -28.338399 -7.249411 459.884582 -29.596655 -7.168684 465.168272 -30.840742 -7.087054 470.251414 -32.070504 -7.004553 475.135112 -33.285792 -6.921218 479.820582 -34.486464 -6.837081 484.309157 -35.672384 -6.752179 488.602299 -36.843419 -6.666544 492.701606 -37.999447 -6.580210 496.608819 -39.140346 -6.493211 500.325830 -40.266005 -6.405580 503.854687 -41.376315 -6.317349 507.197597 -42.471176 -6.228551 510.356930 -43.550490 -6.139217 513.335225 -44.614167 -6.049378 516.135188 -45.662121 -5.959067 518.759694 -46.694273 -5.868312 521.211789 -47.710549 -5.777144 523.494685 -48.710877 -5.685593 525.611764 -49.695195 -5.593685 527.566572 -50.663442 -5.501451 529.362814

41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75

62.482163 64.445096 66.389119 68.312705 70.214332 72.092489 73.945675 75.772404 77.571207 79.340638 81.079273 82.785715 84.458595 86.096578 87.698362 89.262682 90.788315 92.274076 93.718826 95.121473 96.480972 97.796327 99.066593 100.290881 101.468352 102.598226 103.679777 104.712337 105.695295 106.628099 107.510255 108.341330 109.120946 109.848787 110.524594 11.296566 11.192604 11.079883 10.958430 10.828286 10.689509 10.542178 10.386384 10.222239 9.869417 9.681044 9.484924 9.281248 9.070221 8.852063 8.627007 8.395298 8.157194 7.912964 7.662890 7.407259 7.146372 6.880533 6.610058 6.335265 6.056480 5.774032 5.488253 5.199479 4.908046 4.614290 4.318548 4.021155 3.722445 -570.545237 -620.773045 -670.906136 -720.847025 -770.497687 -819.759939 -868.535814 -916.727944 -964.239938 -1056.845101 -1101.753739 -1145.613897 -1188.339584 -1229.847925 -1270.059471 -1308.898498 -1346.293281 -1382.176350 -1416.484723 -1449.160115 -1480.149125 -1509.403390 -1536.879723 -1562.540214 -1586.352312 -1608.288872 -1628.328181 -1646.453955 -1662.655303 -1676.926679 -1689.267794 -1699.683511 -1708.183720 -1714.783185 11

221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 -51.615563 -5.408916 531.004355 -52.551510 -5.316109 532.495212 -53.471235 -5.223053 533.839546 -54.374699 -5.129776 535.041665 -55.261865 -5.036301 536.106007 -56.132700 -4.942651 537.037141 -56.987176 -4.848850 537.839753 -57.825268 -4.754920 538.518646 -58.646956 -4.660882 539.078722 -59.452223 -4.566756 539.524985 -60.241055 -4.472562 539.862521 -61.013442 -4.378318 540.096497 10.049869 -1010.976760 -61.769376 -4.284041 540.232150 -62.508854 -4.189749 540.274777 -63.231875 -4.095458 540.229727 -63.938439 -4.001181 540.102392 -64.628550 -3.906933 539.898196 -65.302216 -3.812727 539.622590 -65.959443 -3.718575 539.281043 -66.600243 -3.624488 538.879029 -67.224628 -3.530476 538.422024 -67.832612 -3.436547 537.915496 -68.424209 -3.342711 537.364899 -68.999438 -3.248975 536.775662 -69.558315 -3.155344 536.153185 -70.100861 -3.061825 535.502835 -70.627094 -2.968420 534.829932 -71.137035 -2.875135 534.139751 -71.630705 -2.781972 533.437512 -72.108126 -2.688931 532.728377 -72.569319 -2.596014 532.017444 -73.014306 -2.503222 531.309742 -73.443109 -2.410552 530.610230 -73.855748 -2.318003 529.923789 -74.252244 -2.225572 529.255223

76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111.148166 111.719358 112.238085 112.704314 113.118068 113.479425 113.788515 114.045516 114.250660 114.404225 114.506535 114.557961 3.422747 3.122388 2.821689 2.520967 2.220532 1.920687 1.621730 1.323949 1.027625 0.733028 0.440422 0.150059 -1719.501377 -1722.362281 -1723.394192 -1722.629500 -1720.104447 -1715.858892 -1709.936047 -1702.382225 -1693.246562 -1682.580756 -1670.438785 -1656.876637 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 -74.632619 -2.133256 528.609252 -74.996891 -2.041050 527.990515 -75.345080 -1.948949 527.403560 -75.677203 -1.856948 526.852848 -75.993277 -1.765040 526.342751 -76.293318 -1.673216 525.877545 -76.577339 -1.581469 525.461415 -76.845355 -1.489791 525.098452 -77.097375 -1.398171 524.792651 -77.333408 -1.306598 524.547910 -77.553463 -1.215063 524.368034 -77.757545 -1.123553 524.256726 -77.945657 -1.032057 524.217598 -78.117801 -0.940560 524.254160 -78.273975 -0.849051 524.369827 -78.414176 -0.757513 524.567917 -78.538397 -0.665934 524.851649 -78.646631 -0.574298 525.224146 -78.738865 -0.482588 525.688432 -78.815086 -0.390790 526.247435 -78.875276 -0.298885 526.903984 -78.919416 -0.206857 527.660809 -78.947483 -0.114688 528.520543 -78.959450 -0.022359 529.485717 -78.955288 -78.934964 -78.898442 -78.845683 -78.776644 -78.691278 -78.589536 -78.471362 -78.336701 -78.185490 -78.017665 0.070147 0.162850 0.255770 0.348926 0.442338 0.536026 0.630013 0.724318 0.818964 0.913971 1.009362 530.558763 531.742012 533.037690 534.447922 535.974723 537.620003 539.385557 541.273071 543.284109 545.420118 547.682418 114.558916 -0.137818 -1641.952039 114.509854 -0.422977 -1625.724182 114.411269 -0.705194 -1608.253463 114.263694 -0.984260 -1589.601220 114.067697 -1.259972 -1569.829480 113.823881 -1.532141 -1549.000720 113.532879 -1.800589 -1527.177623 113.195357 -2.065146 -1504.422863 112.812007 -2.325655 -1480.798881 112.383550 -2.581972 -1456.367691 111.910729 -2.833959 -1431.190683 111.394312 -3.081492 -1405.328447 110.835086 -3.324456 -1378.840608 110.233858 -3.562748 -1351.785675 109.591452 -3.796274 -1324.220898 108.908708 -4.024949 -1296.202141 108.186480 -4.248699 -1267.783775 107.425632 -4.467459 -1239.018569 106.627042 -4.681172 -1209.957608 105.791595 -4.889792 -1180.650215 104.920183 -5.093280 -1151.143884 104.013705 -5.291604 -1121.484232 103.073065 -5.484742 -1091.714955 12

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