PROBLEM TO BE SOLVED: To provide a chemical liquid application device in a traveling tea field pest control machine, in which two traveling devices are connected to a portal frame through a tea ridge, and which can travel along the tea ridge, perform a tea field pest control work, and simultaneously surely prevent the spray of a chemical liquid from scattering.SOLUTION: This chemical liquid application device in the traveling tea field pest control machine, in which two traveling devices are connected to a portal frame 2 through a tea ridge T, and which can travel along the tea ridge T, and simultaneously perform a tea field pest control work, is characterized by comprising blowing fans 3, a chemical liquid tank 6, vertical pipes 5 laterally symmetrically disposed between tea ridges T, T through blowing ducts 4, blowing vertical slits 53 disposed in the vertical pipes 5, respectively, a plurality of chemical liquid-spraying nozzles 11 having adjusting valves 9 and connected to the chemical liquid tank 6 through chemical liquid-delivering ducts 7, and vertical slits 55 used for an air curtain and disposed in right and left blowing vertical pipes for the blowing vertical slits 53, and forming the blowing vertical slits 53 so that the pest control chemical liquid from the chemical liquid tank 6 is blown in tea trees in a mist-like state together with pressured air from the blowing fans 3.COPYRIGHT: (C)2008,JPO&INPIT【目的】 本発明は、茶畝を挟んだ2本の走行装置を門型枠にて連結し、茶畝に沿って移動しながら茶園の防除作業を行ないつつ、薬液の噴霧の飛散を確実に防止すること。【構成】 茶畝Tを挟んだ2本の走行装置が門型枠2にて連結されると共に、茶畝Tに沿って走行しながら防除作業を行い、送風ファン3と薬液タンク6と、送風ダクト4を介して前記茶畝T,T間に左右対称的に設けられた送風用縦管5と、該送風用縦管5それぞれに設けられた吹出し用縦スリット53と、前記薬液タンク6から薬液送りダクト7を介して調整弁9付きの数個以上の薬液吐出ノズル11と、前記吹出し用縦スリット53の左右側の送風用縦管に設けられたエアーカーテン用縦スリット55とが備えられていること。前記吹出し用縦スリット53は、前記薬液タンク6からの防除用薬液が前記送風ファン3による送風圧からの霧状の薬液と送風圧とともに茶樹に向かって吹き込まれること。【選択図】 図1
