播種機有哪些種類
播(bo)(bo)種機(ji)(ji)(ji)(ji)按(an)種子播(bo)(bo)到(dao)種床的形狀可(ke)分(fen)為(wei)(wei)撒(sa)播(bo)(bo)機(ji)(ji)(ji)(ji)、條播(bo)(bo)機(ji)(ji)(ji)(ji)、穴播(bo)(bo)機(ji)(ji)(ji)(ji);按(an)動力(li)可(ke)分(fen)為(wei)(wei)人力(li)播(bo)(bo)種機(ji)(ji)(ji)(ji)、畜(chu)力(li)播(bo)(bo)種機(ji)(ji)(ji)(ji)和(he)機(ji)(ji)(ji)(ji)械播(bo)(bo)種機(ji)(ji)(ji)(ji);按(an)排種器取排種原理(li)可(ke)分(fen)為(wei)(wei)氣動式和(he)機(ji)(ji)(ji)(ji)械式;按(an)聯合作(zuo)業(ye)形式可(ke)分(fen)為(wei)(wei)旋耕(geng)播(bo)(bo)種機(ji)(ji)(ji)(ji)、覆膜播(bo)(bo)種機(ji)(ji)(ji)(ji)、免耕(geng)播(bo)(bo)種機(ji)(ji)(ji)(ji)。
播種機械工作原理
播種(zhong)(zhong)(zhong)機通過傳動系統帶動排(pai)種(zhong)(zhong)(zhong)器(qi)、排(pai)肥(fei)(fei)器(qi),按要求種(zhong)(zhong)(zhong)肥(fei)(fei)量將從種(zhong)(zhong)(zhong)肥(fei)(fei)箱進入排(pai)種(zhong)(zhong)(zhong)器(qi)和排(pai)肥(fei)(fei)器(qi)的(de)種(zhong)(zhong)(zhong)子和肥(fei)(fei)料排(pai)到由開(kai)溝器(qi)開(kai)好的(de)種(zhong)(zhong)(zhong)溝和肥(fei)(fei)溝里,隨后(hou)覆土器(qi)覆土,鎮壓器(qi)壓實種(zhong)(zhong)(zhong)床,完成播種(zhong)(zhong)(zhong)作業。
播種機械的構造和工作過程
播(bo)種(zhong)機一般(ban)由種(zhong)子(zi)(zi)箱、排(pai)種(zhong)器(qi)、輸(shu)種(zhong)管(guan)、開(kai)溝(gou)器(qi)、覆土器(qi)、行走輪、轉(zhuan)動機構(gou)等組成。工作(zuo)時,開(kai)溝(gou)器(qi)在地上開(kai)出種(zhong)溝(gou),種(zhong)子(zi)(zi)箱內的種(zhong)子(zi)(zi)由排(pai)種(zhong)器(qi)排(pai)出,經輸(shu)種(zhong)管(guan)落(luo)入種(zhong)溝(gou),再由覆土器(qi)覆土完成播(bo)種(zhong)作(zuo)業。
如何選購播種機
選購播種機應根據作業的面積、田地的地勢、播種的深度、土壤的質地和干濕度等因素選擇合適的型號。選好型號后要確定播種機的質量,選購的播種機品牌應外觀(guan)整潔(jie)完好,有可靠的(de)防護裝置,記(ji)得索要發票。
播種機怎么用
播(bo)(bo)(bo)(bo)種(zhong)(zhong)機在播(bo)(bo)(bo)(bo)種(zhong)(zhong)時,應(ying)按(an)照種(zhong)(zhong)子的(de)特(te)點,對其進行(xing)播(bo)(bo)(bo)(bo)種(zhong)(zhong)。如播(bo)(bo)(bo)(bo)種(zhong)(zhong)的(de)行(xing)距應(ying)該控制在20厘(li)米(mi)左右,不(bu)(bu)能過(guo)寬也(ye)不(bu)(bu)能過(guo)窄。播(bo)(bo)(bo)(bo)種(zhong)(zhong)深度應(ying)控制在1.5—3.0厘(li)米(mi),但是(shi)也(ye)要考(kao)慮到特(te)殊情(qing)況,不(bu)(bu)同的(de)土(tu)壤播(bo)(bo)(bo)(bo)種(zhong)(zhong)的(de)深度也(ye)不(bu)(bu)同,土(tu)壤偏旱,播(bo)(bo)(bo)(bo)深就要略深一點,這樣可以(yi)防(fang)止種(zhong)(zhong)子播(bo)(bo)(bo)(bo)淺,土(tu)壤過(guo)干而不(bu)(bu)能生長。因此,農機手在播(bo)(bo)(bo)(bo)種(zhong)(zhong)時,一定要充分(fen)考(kao)慮種(zhong)(zhong)子、土(tu)壤等情(qing)況,確保(bao)種(zhong)(zhong)子的(de)健康成長。