【摘要】 本文通过分析全方位深松部件松土机理以及试验测定，提出了全方位深松部件牵引阻力的表达式．该表达式由四个分项组成．经过演算结果表明，该牵引阻力表达式总体上反映了全方位深松部件工作时的牵引阻力．其中，形成鼠道的牵引阻力约占总牵引阻力的4.2％．更多还原

【Abstract】 A formula for calculating the bulk subsoiling draft has been raised byanalysing the mechanism of subsoils of bulk subsoiler and experimental test in this pa-per, and the formula consist of four components. Calculation showed that the draft forforming the mole only acounts for 4. 2% of the total draft.更多还原