A roll dumper refers to a large-scale mechanical equipment used to dump bulk materials on railway open cars. It is a loading and unloading machine that can turn rail vehicles over or tilt them to unload them. It is suitable for ports with large transportation volume and industrial sectors such as metallurgy, coal, and thermal power.
The mine cars under the mine are also mostly unloaded with small roll dumpers. The roll dumper can dump 1-4 wagons at a time.
Early equipment could only dump 1 wagon, but now the largest roll dumper can dump 4 wagons.
The roll dumper is mainly divided into a side tilting type and a rotor type.
The side tilting roll dumper is mainly composed of an eccentrically rotating platform, a pressing mechanism and a slewing drive mechanism. When the vehicle is sent to the platform, the pressing mechanism presses the vehicle, and the platform rotates to lift the vehicle, thereby unloading the bulk cargo into the hopper on the other side. The side tilting roll dumper adopts mechanical pressing and mechanical locking, the platform moves against the vehicle, no hydraulic system, few rotating parts, high reliability, simple maintenance, no need for deep foundation, and is especially suitable for operation in harsh environments.
The rotor roll dumper is mainly composed of a rotor, a supporting platform, a pressing device, a rotary drive mechanism, etc. When the vehicle is sent into the supporting platform inside the rotor, the compacting device will press the vehicle body, and the rotor will rotate to turn the vehicle over 160~180°, so as to unload the bulk into the funnel below the roll dumper. The turning axis of the rotor roll dumper is close to the center of gravity of its rotation axis. Although it requires a large pressing force and a deep foundation, its mass is small, its power consumption is small, and its production efficiency is high, so it is widely used. Bulk material unloading lines also use this kind of equipment.