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一、概述宁夏8y型喷灌机组是我们照七五年引进的西德、佩特公司生产的部分样机,测绘、试制,并通过使用和长时间的考核,结合我国的情况尤其是西北地区的特点对样机的成套性,作了比较周全的考虑,同时也把样机中部分不适合我们的东西减掉,在结构上也作了部分改进和增添,尤其是各种喷头如8yy-80型、8yy-45型,增设了自动控制扇形机构,改进了不合理的转速结构,重新设计了摇臂弹簧调整机构、改进了8yy-9型喷管的连接形式以及扇形控制与全圆的通用问题等。该机组从七五年至今已试生产97套,有的用户已使用了很长时间,有的正在分配使用,宁夏国营南梁农场在七五年七月自治区
I. Overview Ningxia 8y-type sprinkler unit is based on the introduction of our country in 1975, West Germany, Part production company part of the prototype, mapping, trial production, and through the use and long examination, combined with our situation, especially in the characteristics of Northwest China The completeness of the prototype, made a more comprehensive consideration, but also some of the prototype is not suitable for our loss, in the structure also made some improvements and additions, especially a variety of nozzles such as 8yy-80 type, 8yy -45 type, the addition of automatic control fan-shaped mechanism to improve the structure of unreasonable speed, redesigned the rocker arm spring adjustment mechanism to improve the connection type 8yy-9 nozzle and fan control and the whole round of general problems. The unit has been put into trial production 97 sets since 1975, some users have been using for a long time, and some are being allocated for use. Ningxia State-owned Nanliang Farm in July 1975