Measuring device for measuring a mass flow rate of a material flow, method and measuring system

A measuring device for measuring a mass flow rate of a material flow in accordance with the Coriolis principle, the measuring device comprising:

• a rotatably mounted, bladed measurement wheel for deflecting the material flow;
• a drive shaft for driving the measurement wheel;
• an output shaft rigidly connected to the measurement wheel;
• a bearing sleeve surrounding at least part of the output shaft for the rotatable mounting of the output shaft;
• a force measuring apparatus;
• a gearbox that has a first gearbox element rigidly connected to the drive shaft, a second gearbox element rigidly connected to the output shaft, and an intermediate element for transmitting a torque from the first gearbox element to the second gearbox element;
• and
• a rocker that is rigidly connected to the bearing sleeve and on which the intermediate element of the gearbox is mounted,
• wherein the force-measuring apparatus is connected to the rocker so that a force transmitted to the rocker is measured via the force-measuring apparatus.