Abstract:To overcome the problems existed in domestic impack sprinklers,such as complex structure,short service life,and high cost,a new type of large and middle rotary two-ways step running complete fluidic sprinkler of PXSB type is proposed.Its basic working principle is described.The normal work conditions are proposed,such that both sides of cover plate at the outlet of sprinkler need gaps,and both positive and reverse pipes need air compensating holes in proper position.The results show that,the two-ways step running of sprinkler is achieved by cooperation of fluidic elements and two-ways step running inverting mechanism switching.The forward and reverse step runnings of sprinkler are achieved by controlling the flow direction of signal water,which improve the hydraulic performance such as water distribution uniformly.The two-ways step running structure improve the stability and reliability of the sprinkler performance,and the rolling bearing device and seal structure optimize the sealing performance of sprinkler.
李红;杨炎财;向清江;徐红霞;谢福祺. PXSB型双向步进式全射流喷头的原理及结构设计[J]. 排灌机械工程学报, 2008, 26(5): 59-63.
LI Hong, YANG Yan-cai, XIANG Qing-jiang, XU Hong-xia, XIE Fu-qi. Theory and structure design of two-ways step running complete fluidic sprinkler of PXSB type. Journal of Drainage and Irrigation Machinery Engin, 2008, 26(5): 59-63.
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