High-performance liquid level meter for mechanical tank cleaning and oil sludge treatment

The utility model provides a high-performance liquid level meter for mechanical tank cleaning and oil sludge treatment. Comprising a buoyancy floater, a swing rod, a swing rod bolt and nut, a rotating shaft, a sealing gland, a sealing gland fixing bolt, a corrugated pipe seal, a sealing box, a sealing box fixing bolt, a bearing box, a bearing, a bearing outer ring spacer bush, a bearing inner ring spacer bush, a liquid level meter connecting flange, a tank body connecting flange, a tank body connecting pipe, a fixing disc, a fixing disc locking bolt, a bearing locking sleeve and a bearing elastic check ring. The device comprises a rotating disc, a key, a disc locking screw, an analog quantity sensor, a wedge-shaped sliding block, a wedge-shaped sliding block fixing screw and a travel switch. The technical route of a double-sealing structure, corrugated pipe sealing and the buoyancy floater is adopted, the technical problems of high temperature, positive pressure, negative pressure and media containing solid a