我场自一九七五年开始使用双铧犁,几年来,在犁耕中我们总结了东风-12型手扶拖拉机双铧犁调整和使用的一些经验,现介绍如下。一、使用前的准备和调整首先要检查双铧犁的犁铧是否可继续使用,如磨损严重应予以更换。在耕深调节丝杆上加注润滑油,使其调整灵活。检查左右两个直线行驶调整螺钉是否磨损过度,然后进行挂接。犁耕时,拖拉机需装防滑轮。二、前后犁耕深一致性的调整 Our field has been using double-plow plows since 1975. In the past few years, we have summarized some experiences in adjusting and using the double plow plows of the Dongfeng -12 walking tractor. First, the preparation and adjustment before use First check whether the plowshare of the dual-plow can continue to be used, such as serious wear and tear should be replaced. In the deep adjustment screw on the filling of oil, to make it flexible adjustment. Check whether the right and left two straight running adjusting screws are over worn and then hook them up. When plowing, the tractor should be equipped with anti-pulley. Second, before and after plowing deep consistency adjustment