(a)%20正常 %20(b)%201缸失火 (c)%202,3缸失火 %20d)%201,2,3缸失火 图7工况1,测点1水平方向正常工作和失火故障时振动加速度频谱图 |
转速(rpm) | 1600 | 2400 | ||||||||
故障类型 | 正常 | 1缸 失火 |
2缸 失火 |
3缸 失火 |
正常 | 1缸 失火 |
2缸 失火 |
3缸 失火 |
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测点1 | 水平 | 0.5X | 0.050 | 0.233 | 0.034 | 0.220 | 0.206 | 1.205 | 0.295 | 1.495 |
1X | 0.502 | 1.620 | 1.091 | 0.904 | 0.495 | 1.008 | 0.930 | 0.826 | ||
1.5X | 0.238 | 0.619 | 0.391 | 0.130 | 0.184 | 0.804 | 0.246 | 0.180 | ||
2X | 0.757 | 1.241 | 0.427 | 0.646 | 1.839 | 1.393 | 0.656 | 0.395 | ||
轴向 | 0.5X | 0.049 | 0.064 | 0.035 | 1.524 | 0.260 | 0.175 | 0.650 | 8.779 | |
1X | 0.375 | 0.213 | 1.885 | 1.677 | 0.168 | 0.578 | 3.537 | 3.496 | ||
1.5X | 0.215 | 0.144 | 0.205 | 2.117 | 0.476 | 0.369 | 0.072 | 1.486 | ||
2X | 0.667 | 0.394 | 1.642 | 2.503 | 0.980 | 0.738 | 2.847 | 2.724 | ||
垂直 | 0.5X | 0.030 | 0.008 | 0.019 | 0.269 | 0.544 | 0.245 | 0.207 | 1.031 | |
1X | 0.059 | 0.329 | 1.100 | 0.726 | 0.260 | 1.456 | 2.316 | 1.882 | ||
1.5X | 0.328 | 0.511 | 0.712 | 1.214 | 1.376 | 1.116 | 1.324 | 0.411 | ||
2X | 4.680 | 6.683 | 4.366 | 3.848 | 13.912 | 11.735 | 13.417 | 11.794 | ||
测点2 | 水平 | 0.5X | 0.011 | 0.149 | 0.028 | 0.528 | 0.319 | 0.599 | 0.301 | 2.591 |
1X | 0.520 | 1.132 | 1.722 | 1.852 | 0.434 | 1.091 | 0.192 | 0.518 | ||
1.5X | 0.205 | 0.395 | 0.498 | 0.505 | 0.480 | 0.750 | 0.896 | 0.485 | ||
2X | 4.962 | 6.342 | 0.877 | 1.830 | 13.655 | 11.408 | 2.908 | 3.122 | ||
轴向 | 0.5X | 0.036 | 0.040 | 0.029 | 1.554 | 0.083 | 0.393 | 0.111 | 2.080 | |
1X | 0.045 | 0.816 | 2.970 | 2.551 | 0.382 | 0.642 | 3.009 | 2.352 | ||
1.5X | 0.061 | 0.272 | 0.106 | 1.603 | 0.032 | 0.307 | 0.501 | 1.288 | ||
2X | 0.556 | 0.553 | 0.823 | 1.436 | 0.264 | 0.235 | 2.293 | 1.271 | ||
垂直 | 0.5X | 0.037 | 0.035 | 0.009 | 0.677 | 0.256 | 0.353 | 0.090 | 2.131 | |
1X | 0.374 | 0.512 | 2.327 | 1.788 | 0.187 | 0.597 | 3.990 | 3.114 | ||
1.5X | 0.169 | 0.070 | 0.429 | 2.305 | 0.274 | 0.347 | 0.680 | 1.423 | ||
2X | 0.965 | 0.523 | 4.459 | 3.919 | 1.602 | 0.884 | 13.633 | 12.073 | ||
测点3 | 水平 | 0.5X | 0.040 | 0.288 | 0.028 | 0.638 | 0.114 | 0.845 | 0.181 | 2.028 |
1X | 0.257 | 1.315 | 2.009 | 1.573 | 0.478 | 0.956 | 1.578 | 1.198 | ||
1.5X | 0.175 | 0.643 | 0.316 | 0.442 | 0.305 | 0.601 | 0.109 | 0.340 | ||
2X | 1.285 | 0.754 | 0.822 | 0.860 | 1.830 | 0.816 | 2.668 | 1.539 | ||
轴向 | 0.5X | 0.030 | 0.015 | 0.021 | 0.638 | 0.167 | 0.301 | 0.227 | 3.267 | |
1X | 0.192 | 0.812 | 0.140 | 0.041 | 0.068 | 0.856 | 0.979 | 1.000 | ||
1.5X | 0.176 | 0.326 | 0.050 | 0.784 | 0.753 | 0.911 | 0.051 | 0.489 | ||
2X | 0.492 | 1.410 | 0.623 | 1.081 | 2.155 | 2.270 | 0.457 | 0.459 | ||
垂直 | 0.5X | 0.013 | 0.172 | 0.013 | 0.545 | 0.383 | 0.652 | 0.132 | 2.474 | |
1X | 0.398 | 1.218 | 1.916 | 1.567 | 0.343 | 1.235 | 3.510 | 2.773 | ||
1.5X | 0.219 | 0.334 | 0.412 | 2.116 | 0.689 | 0.821 | 0.639 | 1.324 | ||
2X | 5.040 | 6.634 | 4.393 | 3.897 | 14.287 | 11.811 | 12.994 | 11.755 |