Constant-force clamp spring for electric brush of direct-current motor of six-high rolling mill

• Main Authors: WANG WEI, WANG JIE, WANG JIANFENG, WEI LONGFENG, YI SHENGGUANG, SONG QINGDAO, GUO JIA
• Format: Patent
• Language: Chinese; English
• Published: 19.11.2021
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

The utility model discloses a constant force clamp spring for a brush of a direct current motor of a six-roller mill, which comprises a U-shaped seat and a magnet, the U-shaped seat comprises a bottom plate and two side plates, the two side plates are positioned at two ends of the bottom plate and are integrally formed with the bottom plate, the iron is detachably mounted on the bottom plate and is positioned between the two side plates, and the magnet is fixed on the U-shaped seat. And constant-force spring rings are fixedly mounted on the sides, close to each other, of the two side plates. According to the utility model, short circuit caused by falling of the snap spring on the direct current motor commutator after fracture can be avoided, and normal operation of the direct current motor is guaranteed. 本实用新型公开了一种六辊轧机直流电机电刷用恒力卡簧，包括U形座和磁铁，所述U形座包括底板和两块侧板，两块所述侧板位于底板的两端并与底板一体成型，所述铁可拆卸的安装在底板上，并位于两块侧板之间，两块所述侧板相互靠近的一侧均固定安装有恒力弹簧圈。本实用新型可以杜绝卡簧在断裂后掉落到直流电机换向器上导致短路，保障了直流电机的正常运行。