Scientia Silvae Sinicae ›› 2006, Vol. 42 ›› Issue (11): 101-105.doi: 10.11707/j.1001-7488.20061119
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Yu Jianguo1,Meng Qinghua1,2
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Abstract:
In the paper,introduced development of mechanization forestation for tree planting in our country and other's,indicated the emphases of research about the digging machine for tree planting in homeland.And then,analyzed emphatically the establishment of torsional vibration model of auger bit axis,at the same time,analyzed systematically the interaction force between bottom of auger-bit principal axis and soil,auger-bit principal axis gravity and inertia,gave the dynamical stochastic boundary condition and initial condition by the spatial kinematics,the theory of mechanization vibration and the principle of elastic dynamics.The results can provide new theoretic basis for the dynamic characteristic simulation of auger-bit and whole machine dynamic characteristic research,rationally forecasting and controlling movement rule of auger-bit,improving the dynamic characteristic of auger-bit,enhancing work efficiency of auger-bit and improving design method of auger-bit.
Key words: digging machine, auger-bit principal axis, torsional vibration, solution of numerical value
Yu Jianguo;Meng Qinghua;. Torsional Vibration Mathematical Modeling of Auger-Bit Principal Axis of Digging Machine for Tree Planting and Its Solution[J]. Scientia Silvae Sinicae, 2006, 42(11): 101-105.
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