The utility model discloses an oil change device for a transformer, which provides a transformer oil change device which is easy to replace the cooling oil of a transformer. Including oil tank, oil pillow and three pipe, oil conservator tank is communicated with the inner cavity through the tubing, in a branch pipe three is connected to the piston, in addition to the two branch pipe three through pipe are respectively connected with the outlet direction of the one-way valve three through a pipe and outlet direction three the tube with a one-way valve two, one end of the one-way valve at the inlet conduit is connected with a one-way valve two, the outlet end is connected with a catheter for two, and two of the first oil from the front duct opening into the inner cavity of the oil pillow pillow, then the tip catheter for two from the oil tubing in a cavity in the pillow tank into the cavity, and the front nozzle fixed layout in the inner cavity of the catheter two tank top, the lower pipe fixed in the tank cavity tubing arranged on the inner bottom surface. The utility model is mainly used in the transformer to replace the cooling oil technology.
【技术实现步骤摘要】
【技术保护点】
一种变压器换油装置，包括变压器的油箱(15)以及安装在油箱上方的油枕(9)，并且油枕的内腔(10)通过油管(18)与油箱内腔(16)相通，其特征在于，还包括三通管(4)，在三通管的一个支管上连接有活塞(6)，在三通管的另外两个支管上分别连接有出口方向指向三通管内的单向阀一(2)和出口方向指向三通管外的单向阀二(8)，在单向阀一的进口端连接有导管一(1)，在单向阀二的出口端连接有导管二(11)，并且导管二的前端首先从油枕的开口进入到油枕的内腔内，然后导管二的前端再从油枕内腔内的油管中进入到油箱内腔内，并且导管二的前端管口(14)固定布置在油箱内腔的上端，油管的下端管口(19)...
【技术特征摘要】
【专利技术属性】
技术研发人员：姜儒雄，
申请(专利权)人：浙江金冠特种变压器有限公司，
类型：新型
国别省市：浙江;33
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