Automatic lubricating oil device for gear of rubber belt conveyor

The utility model relates to maintenance equipment for an underground rubber belt conveyor, in particular to an automatic lubricating oil device for a gear of a rubber belt conveyor, which comprises a lubricating oil tank, the lubricating oil tank is supported on a rubber belt conveyor frame above a transmission gear through a support, and a conveying chain is meshed and connected with the transmission gear. An oil outlet pipe is arranged at the bottom of the lubricating oil tank and communicated with an oil storage cylinder through an adjusting valve, the adjusting valve is used for adjusting the amount of lubricating oil entering the oil storage cylinder from the lubricating oil tank, and the oil storage cylinder is located above the transmission gear. The oil storage barrel is a columnar barrel, a micro-control oil dripping device is arranged on the barrel wall of the columnar barrel in a communicating mode, and oil used for lubricating the transmission gear flows into the oil storage barrel, rises to the