东风牌自走式谷物联合收割机的割台,工作一段时间后,会出现左右倾斜的现象,即左端比右端低10厘米以上,严重的达20厘米。使用左右倾斜的割台收获作物时,损失很大,尤其是收获大豆作业时,更为严重。长期以来,这个问题一直未得到彻底的解决。经实际调查,我们认为,造成割台倾斜除与两侧平衡弹簧的调整及使用等原因有关外,其主要原因是由于过桥受力不均导致扭曲变形造成的。为了使割台保持水平,有些用户在割台 Dongfeng brand self-propelled cereal combine harvester header, work for a period of time, there will be left and right tilt phenomenon, that is, lower than the right end of the left end of 10 cm above the seriousness of up to 20 cm. The use of left and right tilted headers to harvest crops is costly, especially when harvesting soybeans. For a long time, this problem has not been completely solved. According to the actual investigation, we think that the main reason that caused the tilting of the header is related to the adjustment and use of balance springs on both sides, which is caused by the twisting deformation caused by the uneven force of the bridge. To keep the header level, some users are cutting the header