24/48行播种机的播量调控器(刻度盘),使用一段时间后会自然磨损,造成轴套、销孔间隙增大,致使作业时排种轴左右窜动,排种量忽大忽小,失去控制。为消除这一现象,保证播量的准确性,我们在24/48行播种机上改装了微量调控锁定装置。全农场共改装了87台,经播种考察,播量的准确性达到了原设计要求,杜绝了播量不准确现象的发生。这一改装对老播种机更 24/48 row seeding machine sowing regulator (dial), the use of natural wear and tear after a period of time, resulting in bushings, pin hole clearance increases, resulting in operation when the seed shaft rang, Small, out of control. In order to eliminate this phenomenon and ensure the accuracy of sowing, we adapted the micro-control locking device on the 24/48 row seeder. The whole farm a total of 87 units modified, the sowing inspection, the accuracy of the amount of broadcast reached the original design requirements, to prevent the sowing inaccurate phenomenon. This modification of the old planter more