Transformer oil tank

The utility model discloses a transformer oil tank which comprises an oil tank shell arranged outside a transformer body, a containing cavity is formed between the oil tank shell and the transformer body, an oil storage tank is arranged on the upper portion of the oil tank shell, and the oil storage tank is detachably arranged on the oil tank shell through a connecting device. The oil storage tank is communicated with the interior of the containing cavity through a communicating pipe, a circulating pipe is arranged on the lower portion of the oil storage tank, a circulating pump is arranged on the circulating pipe, a fan is arranged between the circulating pipe and the oil tank shell, and when the temperature of the insulating oil rises to the set temperature, the fan is started to cool the insulating oil in the circulating pipe. The cooling effect is achieved, and use safety is guaranteed. 本实用新型公开了一种变压器油箱，包括设置在变压器本体外部的油箱壳体，所述油箱壳体与变压器本体之间组成容纳腔，所述油箱壳体的上部设置有储油箱，所述储油箱通过连接装置可拆卸设置在油箱壳体上，所述储油箱通过连通管与容纳腔内部连通，所述储油箱的下部