水(shui)(shui)稻直播機(ji)是一(yi)種(zhong)(zhong)(zhong)經過(guo)翻(fan)耕、整平(ping)、耙平(ping)后在(zai)水(shui)(shui)田中作業(ye)的(de)播種(zhong)(zhong)(zhong)機(ji)，其特征在(zai)于具有一(yi)套能夠在(zai)道路和(he)水(shui)(shui)田中行(xing)(xing)走(zou)的(de)行(xing)(xing)走(zou)機(ji)構(gou)和(he)一(yi)套能夠根據(ju)具體(ti)農藝(yi)要求(qiu)將(jiang)種(zhong)(zhong)(zhong)子(zi)排到(dao)水(shui)(shui)田中的(de)播種(zhong)(zhong)(zhong)機(ji)構(gou)。行(xing)(xing)走(zou)和(he)轉(zhuan)移(yi)時，驅(qu)動(dong)(dong)輪(lun)(lun)和(he)尾(wei)輪(lun)(lun)支撐(cheng)單元被(bei)驅(qu)動(dong)(dong)，排種(zhong)(zhong)(zhong)機(ji)構(gou)的(de)傳動(dong)(dong)被(bei)切斷，發動(dong)(dong)機(ji)動(dong)(dong)力通(tong)過(guo)驅(qu)動(dong)(dong)輪(lun)(lun)作用(yong)在(zai)路面(mian)上行(xing)(xing)走(zou)。田間(jian)(jian)作業(ye)時，更換上水(shui)(shui)田驅(qu)動(dong)(dong)輪(lun)(lun)和(he)尾(wei)輪(lun)(lun)，利用(yong)水(shui)(shui)田驅(qu)動(dong)(dong)輪(lun)(lun)和(he)船(chuan)板支撐(cheng)單元，通(tong)過(guo)水(shui)(shui)田驅(qu)動(dong)(dong)旋(xuan)轉(zhuan)，發動(dong)(dong)機(ji)動(dong)(dong)力使土壤(rang)向前運動(dong)(dong)，船(chuan)板下的(de)幾何(he)形狀在(zai)水(shui)(shui)田表面(mian)壓出適合(he)水(shui)(shui)稻生長的(de)苗(miao)床和(he)潮間(jian)(jian)帶槽(cao)。播種(zhong)(zhong)(zhong)機(ji)構(gou)采用(yong)直接(jie)和(he)間(jian)(jian)接(jie)動(dong)(dong)力驅(qu)動(dong)(dong)完(wan)成種(zhong)(zhong)(zhong)子(zi)分選、播種(zhong)(zhong)(zhong)和(he)播種(zhong)(zhong)(zhong)，種(zhong)(zhong)(zhong)子(zi)按要求(qiu)排至苗(miao)床完(wan)成作業(ye)。