The present invention discloses a weighing and boosting device arranged on an online friction
belt conveyor. The method of the present invention comprises: two groups of weighing devices and one group of boosting devices, the boosting device is fixed between the two groups of weighing devices; the weighing device comprises a
conveyor belt, rollers, etc., the rollers are placed below the
conveyor belt, the bearing plate is placed below the rollers, and the weighing sensor is placed below the bearing plate; the boosting device is composed of an upper crossbeam and two end structures, the upper crossbeam is placed above the
conveyor belt, the two end structures are arranged in the same symmetrical manner, and are composed of a support frame, an upper gear, etc., the support frame is provided with horizontal holes and inclined holes, the upper crossbeam passes through the horizontal hole, the upper gear passes through the upper crossbeam, one end of the long round tube passes through the inclined hole, and the other end contacts the side of the conveyor belt, the sleeve passes through the long round tube, the lower gear meshes with the upper gear, the spring is sleeved on the long round tube, one end contacts the sleeve, and the other end of the spring contacts the raised baffle of the long round tube. The present invention can realize controllable tension of the conveyor belt, has low cost, and is easy to maintain.