播種機有哪些種類
播(bo)種(zhong)(zhong)機(ji)(ji)(ji)按(an)種(zhong)(zhong)子播(bo)到種(zhong)(zhong)床的形狀(zhuang)可分(fen)為撒播(bo)機(ji)(ji)(ji)、條播(bo)機(ji)(ji)(ji)、穴播(bo)機(ji)(ji)(ji);按(an)動力可分(fen)為人(ren)力播(bo)種(zhong)(zhong)機(ji)(ji)(ji)、畜力播(bo)種(zhong)(zhong)機(ji)(ji)(ji)和機(ji)(ji)(ji)械播(bo)種(zhong)(zhong)機(ji)(ji)(ji);按(an)排種(zhong)(zhong)器取(qu)排種(zhong)(zhong)原理可分(fen)為氣動式和機(ji)(ji)(ji)械式;按(an)聯合作(zuo)業形式可分(fen)為旋耕播(bo)種(zhong)(zhong)機(ji)(ji)(ji)、覆(fu)膜(mo)播(bo)種(zhong)(zhong)機(ji)(ji)(ji)、免耕播(bo)種(zhong)(zhong)機(ji)(ji)(ji)。
播種機械工作原理
播(bo)種(zhong)(zhong)機通過傳動(dong)系統帶動(dong)排(pai)(pai)種(zhong)(zhong)器、排(pai)(pai)肥(fei)器,按要(yao)求種(zhong)(zhong)肥(fei)量將(jiang)從種(zhong)(zhong)肥(fei)箱進入排(pai)(pai)種(zhong)(zhong)器和排(pai)(pai)肥(fei)器的(de)種(zhong)(zhong)子和肥(fei)料排(pai)(pai)到由(you)開(kai)溝(gou)器開(kai)好的(de)種(zhong)(zhong)溝(gou)和肥(fei)溝(gou)里,隨后覆土(tu)器覆土(tu),鎮壓器壓實種(zhong)(zhong)床,完(wan)成播(bo)種(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(you)種(zhong)子箱、排(pai)種(zhong)器(qi)(qi)(qi)、輸種(zhong)管、開溝(gou)器(qi)(qi)(qi)、覆土(tu)器(qi)(qi)(qi)、行走輪(lun)、轉動機構等組(zu)成。工(gong)作時,開溝(gou)器(qi)(qi)(qi)在地(di)上開出種(zhong)溝(gou),種(zhong)子箱內的種(zhong)子由(you)排(pai)種(zhong)器(qi)(qi)(qi)排(pai)出,經輸種(zhong)管落入種(zhong)溝(gou),再由(you)覆土(tu)器(qi)(qi)(qi)覆土(tu)完(wan)成播(bo)種(zhong)作業(ye)。
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整潔完好,有可靠的防護(hu)裝置,記得索要發票(piao)。
播種機怎么用
播(bo)(bo)種(zhong)(zhong)機(ji)在播(bo)(bo)種(zhong)(zhong)時(shi),應(ying)按照種(zhong)(zhong)子(zi)的特點(dian),對(dui)其進(jin)行播(bo)(bo)種(zhong)(zhong)。如播(bo)(bo)種(zhong)(zhong)的行距(ju)應(ying)該控(kong)(kong)制(zhi)在20厘(li)米左右,不(bu)能過寬也(ye)不(bu)能過窄(zhai)。播(bo)(bo)種(zhong)(zhong)深(shen)(shen)度(du)應(ying)控(kong)(kong)制(zhi)在1.5—3.0厘(li)米,但是也(ye)要考(kao)慮到特殊情(qing)況(kuang),不(bu)同(tong)的土(tu)(tu)壤播(bo)(bo)種(zhong)(zhong)的深(shen)(shen)度(du)也(ye)不(bu)同(tong),土(tu)(tu)壤偏旱,播(bo)(bo)深(shen)(shen)就要略深(shen)(shen)一點(dian),這樣可以防止種(zhong)(zhong)子(zi)播(bo)(bo)淺,土(tu)(tu)壤過干而不(bu)能生長(chang)。因(yin)此,農(nong)機(ji)手在播(bo)(bo)種(zhong)(zhong)時(shi),一定要充分考(kao)慮種(zhong)(zhong)子(zi)、土(tu)(tu)壤等情(qing)況(kuang),確保種(zhong)(zhong)子(zi)的健康成長(chang)。