Storage tank floating plate circumference stop device

The utility model relates to a storage tank floating plate circumference stop device, its floating plate stop device who installs on the floating plate edge through a plurality of constitutes, floating plate stop device's characterized in that, include: roller device, it alternates inside outer positioning sleeve, outer positioning sleeve is fixed in bottom surface under the floating plate, and make roller device is for being close to storage tank jar wall one end, the roller bearing, it is located outer positioning sleeve is inside to be close to roller device's one end, the roller bearing with insert inside the outer positioning sleeve roller device is tangent, the spring, it is located outer positioning sleeve is inside to keep away from roller device's one end, spring one end with theroller device contact, the bottom plate, its welding is in outer positioning sleeve keeps away from the outside roller device's tip, the spring other end with the contact of bottom plate inner wall. 本实用新型涉及种储罐浮盘圆周限位装置，其通过若干个安