US 12,249,456 B2
Winding cylinder of stereoscopic wound iron core transformer
Kaixuan Xu, Jiangmen (CN); Qingning Liang, Jiangmen (CN); Shuwei Situ, Jiangmen (CN); Yuxiang Qi, Jiangmen (CN); Danju Song, Jiangmen (CN); Wenjie Fang, Jiangmen (CN); Fei Li, Jiangmen (CN); Xueming Zhang, Jiangmen (CN); Yucheng Zhou, Jiangmen (CN); Wenhui Fang, Jiangmen (CN); Lizhen Zhai, Jiangmen (CN); Yixiong Liang, Jiangmen (CN); Huaming Wang, Jiangmen (CN); and Quanan Xu, Jiangmen (CN)
Assigned to Haihong Electric Co., LTD., Guangdong (CN); and Guangdong Tritype Electric Co., Ltd., Guangdong (CN)
Appl. No. 17/765,260
Filed by Haihong Electric Co., Ltd., Jiangmen (CN); and Guangdong Tritype Electric Co., Ltd., Jiangmen (CN)
PCT Filed Nov. 10, 2021, PCT No. PCT/CN2021/129877
§ 371(c)(1), (2) Date Mar. 30, 2022,
PCT Pub. No. WO2022/252498, PCT Pub. Date Dec. 8, 2022.
Claims priority of application No. 202121200140.5 (CN), filed on May 31, 2021.
Prior Publication US 2024/0071684 A1, Feb. 29, 2024
Int. Cl. H01F 41/06 (2016.01)
CPC H01F 41/06 (2013.01) 9 Claims
OG exemplary drawing
 
1. A cylinder for winding a stereoscopic wound iron core transformer, comprising:
an outer cylinder;
an inner cylinder, wherein the outer cylinder is coaxially arranged outside the inner cylinder; and
a tension assembly, wherein the outer cylinder is movably connected with the inner cylinder through a bearing assembly, and the outer cylinder is rotatable around an axis of the inner cylinder; the tension assembly comprising:
a screw;
a spring; and
a connecting assembly, the connecting assembly comprising:
a fixing portion;
a friction portion; and
a transmission portion, the friction portion and the transmission portion are both sleeved on the inner cylinder, the friction portion is attached to the transmission portion and located on an upper side of the transmission portion, and the transmission portion is fixedly connected with an inner wall of the outer cylinder;
a side face of the inner cylinder is provided with a through hole, and the fixing portion is configured to penetrate through the through hole to be fixedly connected with the friction portion; and
the spring is arranged around the screw, and two ends of the spring are respectively attached to the screw and the fixing portion;
wherein the inner cylinder is provided with a screw hole, the screw hole is arranged at a lower side of the through hole, a lower end of the screw is provided with a thread matched with the screw hole, and an upper end of the screw is provided with an adjusting hole.