Chain tensioning adjusting mechanism of scraper conveyer

The utility model relates to the technical field of chain transmission, and discloses a scraper conveyor chain tension adjusting mechanism which comprises a conveying structure, a supporting structure is arranged on one side of the conveying structure, a fixing plate is arranged at the connecting position of the conveying structure and the supporting structure, and a buckling structure is arranged on the side, close to the conveying structure, of the supporting structure. The conveying structure comprises a fixing plate, fixing shafts are fixed to the upper end and the lower end of a connecting plate, so that rolling shafts are clamped to the outer sides of chains, the whole conveying structure is of a semi-surrounding structure, the chains are clamped to the interior, the situation of slipping is not prone to occurring, and the stability of the structure is improved. The sliding blocks are arranged at the upper end and the lower end of the fixing frame, the limiting blocks support the sliding blocks, the cha