水(shui)(shui)稻直播(bo)(bo)(bo)機(ji)(ji)(ji)是一種經過(guo)翻耕(geng)、整平(ping)、耙(pa)平(ping)后在(zai)水(shui)(shui)田(tian)(tian)(tian)(tian)(tian)(tian)中作業(ye)的(de)播(bo)(bo)(bo)種機(ji)(ji)(ji)，其特征在(zai)于具有一套(tao)能夠在(zai)道(dao)路和(he)水(shui)(shui)田(tian)(tian)(tian)(tian)(tian)(tian)中行(xing)走(zou)的(de)行(xing)走(zou)機(ji)(ji)(ji)構(gou)(gou)(gou)和(he)一套(tao)能夠根據具體(ti)農藝(yi)要(yao)求將種子排(pai)到水(shui)(shui)田(tian)(tian)(tian)(tian)(tian)(tian)中的(de)播(bo)(bo)(bo)種機(ji)(ji)(ji)構(gou)(gou)(gou)。行(xing)走(zou)和(he)轉移時(shi)，驅(qu)(qu)動輪(lun)(lun)(lun)和(he)尾輪(lun)(lun)(lun)支撐(cheng)單元被驅(qu)(qu)動，排(pai)種機(ji)(ji)(ji)構(gou)(gou)(gou)的(de)傳動被切斷，發動機(ji)(ji)(ji)動力通過(guo)驅(qu)(qu)動輪(lun)(lun)(lun)作用在(zai)路面上行(xing)走(zou)。田(tian)(tian)(tian)(tian)(tian)(tian)間作業(ye)時(shi)，更換上水(shui)(shui)田(tian)(tian)(tian)(tian)(tian)(tian)驅(qu)(qu)動輪(lun)(lun)(lun)和(he)尾輪(lun)(lun)(lun)，利用水(shui)(shui)田(tian)(tian)(tian)(tian)(tian)(tian)驅(qu)(qu)動輪(lun)(lun)(lun)和(he)船(chuan)板支撐(cheng)單元，通過(guo)水(shui)(shui)田(tian)(tian)(tian)(tian)(tian)(tian)驅(qu)(qu)動旋轉，發動機(ji)(ji)(ji)動力使土壤向前運動，船(chuan)板下的(de)幾(ji)何形狀在(zai)水(shui)(shui)田(tian)(tian)(tian)(tian)(tian)(tian)表面壓出適(shi)合水(shui)(shui)稻生(sheng)長的(de)苗床(chuang)和(he)潮間帶槽。播(bo)(bo)(bo)種機(ji)(ji)(ji)構(gou)(gou)(gou)采用直接和(he)間接動力驅(qu)(qu)動完(wan)成(cheng)種子分選、播(bo)(bo)(bo)種和(he)播(bo)(bo)(bo)種，種子按(an)要(yao)求排(pai)至苗床(chuang)完(wan)成(cheng)作業(ye)。