Adhesion agent on-line viscosity monitor

The utility model discloses an adhesion agent on-line viscosity monitor. The adhesion agent on-line viscosity monitor comprises a sensing device, a direct current stabilized power supply and a viscosity meter, wherein the sensing device comprises a shell, an end cover, a left half shaft, a right half shaft and a torsion spring; the left half shaft and the right haft shaft are respectively provided with a tapered roller bearing and are fixedly installed on the shell, and one end of the left half shaft is connected with one end of the right haft shaft through the torsion spring, wherein the one end of the left half shaft and the one end of the right haft shaft are located in the middle; a tight round plastic liner, a copper ring and a copper bar are installed on the right half shaft; the right end of the copper bar is in breakover with the side face of the copper ring through a conducting wire, an elastic wiring post I is installed on the left end of the copper bar, and an idler wheel of the elastic wiring post