东风—2型机动水稻插秧机的橫向移箱机构的主要部件是移箱器。移箱器内的换向器换向时,顶开销必须将锁定片顶开,才能实现换向动作。该机顶开销与支架是紧配合的,如果顶开销被磨损,往往使锁定片打不开,影响换向。过去,遇到这种情况,我们一般采取将顶开销拿下调换一下其位置的办法来补救。但顶开销卸下后再安装时,销与座孔配合往往 Dongfeng-2 mobile rice transplanter transverse moving mechanism is the main part of the transfer device. When the commutator in the transfer box is commutated, the top opening must lock the locking piece to the top to achieve the reversing action. The overhead overhead with the bracket is tight fit, if the top overhead is worn, often make the locking piece can not be opened, affecting the commutation. In the past, in such a situation, we usually take the overhead to take a place to replace it. However, the top overhead unloading and then install, pin and seat hole with the often