辽宁省水田作业链轨拖拉机更新换代的探讨

随着以旋耕代替翻耕的出现,以及水田作业中链轨拖拉机老化与服役期限的延长,其更新换代问题已经日益紧迫．在深入调研并分析其现状及存在问题后,对辽宁省的水田作业链轨拖拉机提出更新换代的措施与建议．按土壤比阻及含水量选择机型与功率级,建立“三旋一翻”或“三旋一深松”的耕作制度,每年更新１０００台左右链轨拖拉机,按轮式拖拉机与链轨拖拉机以３：１的比例更新,轮式拖拉机向四轮驱动方向发展．

Renewal of Caterpillar Tractors for Paddy-Field-Working in Liaoning Province

With the development of rotary tillage,the old Caterillar tractor in paddy-field should be renewed.After investigating and analysing the present usage and some question of the caterpillar tractor in paddy-field-working in Liaoning Province, the meatsures of renewing were put foreward.The type of machine and power leuer must be adapted to the specifice resistance of soil and moilsture content.The cropping system may be "three time rotary tillage and one time plough" or "three time rotary tillage and one time loosenign of soil",About 1000 caterpillar tractors should be renewed every year to keep the proportion renew wheel tractor to caterpollar tractor 3:1.The wheel tractor developing to drive with four wheels.