It can be seen from the vibration field test of the whole electric micro tiller that when the electric micro tiller is in the commonly used ploughing gear (fast gear, forward speed 0.5 When working under M / s), the vibration acceleration values of X (front and back), y (left and right), Z (vertical) direction transmitted from the rotary blade roller to the handrail (take the average value of the vibration acceleration values of the left and right handrails) through the connection between the support frame and the handrail (take the average value of the vibration acceleration values of the left and right handrails) are successively reduced from 7.23 M / S2, 6.39 M / S2, 10.12 M / S2 to 3.45 M / S2, 3.64 M / S2, 8.10, respectively M / S2, the RMS value in the vertical direction of the handrail is the largest, which has the greatest impact on its vibration characteristics; the vibration model of "electric micro tiller soil" system is constructed, and the vertical vibration acceleration value of the handrail obtained by Matlab / Simulink simulation is 7.89 M / S2, which is obtained by the field test with the whole electric micro tiller (8.10) Compared with the acceleration value of M / S2), the error is 2.59%, which verifies the correctness of the vibration model of "electric micro tiller soil" system in Matlab / Simulink simulation.
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