It is a kind of can horizontal stretching and the watering device that folds,It is the support device that the crane of tool lifting is equipped in a moving carriage,And it is pivoted with rack device of sprinkling water as composed by the sprinkling rack of several sections of continuous pivot joint connections in the two sides of crane,And sprinkler head of the consecutive intervals equipped with energy adjustment direction on each sprinkling rack is enabled,Be equipped between each sprinkling rack of above-mentioned each side watering rack device simultaneously can be detained when sprinkling rack opens and stretches or fold and be close together fixed bit fastening part part,And bolt,Enable in turn the sprinkling rack extended can go up and down to suitable spraying altitude,And can be carried out the spraying operation of more wide area,Make spraying operation more efficient,Simultaneously also when two sides watering rack device receipts lean against moving carriage two sides Hou,Enable the reduction in bulk of entire watering device to minimum,Enabled benefit what spill the movement set,Pass in and out the narrow entrance or collection in what difference greenhouse.一種可水平伸展與折收的灑水裝置，是在一移動車架上設有具升降之升降架的支持裝置，並在升降架的兩側樞設有由數節連續樞接連結之灑水架所組成的灑水架裝置，並令各灑水架上連續間隔設有能調整方向的噴灑頭，同時上述各側灑水架裝置的各灑水架之間設有能在灑水架張開伸直或折收併靠在一起時而扣固定位的扣固部件、以及插銷，進而令伸展開來的灑水架可以升降至合適的噴灑高度、且能進行更大面積範圍的噴灑作業，讓噴灑作業效率更高，同時也當兩側灑水架裝置收靠在移動車架兩側後，令整個灑水裝置的體積縮減至最小，使能利於灑置的移動、進出於不同溫室之狹窄的出入口或收藏。
