多年来,人们力图用胶垫封闭法、虹吸法、回吸阀法、气门芯法等方法改装喷药机,克服后滴现象,但多未达到理想效果。我场对喷药机进行了截流排残液防后滴的改装,经过3年多的使用,证明该改装简单易行,能有效地防止喷药机产生后滴。一、改装的指导思想及方法喷药机之所以产生后滴现象,是因为喷药机在停止作业后,喷药管内仍存有残液,这些残液通过 Over the years, people tried to use rubber pad closure method, siphon method, suction valve method, valve core method and other methods modified spray machine to overcome the after-dripping phenomenon, but many did not achieve the desired effect. I field on the spray machine was cut off raft anti-dripping modification, after 3 years of use, that the modification is simple, can effectively prevent the sprayer drops after. First, the modified guiding ideology and methods Spray machine after the drop phenomenon is because the spray machine to stop working, the spray tube is still residual liquid, the raffinate through