Cushioning explosive motor gear racking mechanism

The utility model relates to an impact reduction type explosive motor teeth transmission device. A transmission teaches tube is provided with transmission teeth on the upper and lower surface and the latter are engaged with the upper gear and the lower gear. The upper gear drives the lower gear rotate in the same direction through a linkage gear A, a transmission gear and a linkage gear B and drives accentor support of the cushioning device through an upper accentor and a lower accentor, making the cushioning block respectively contacted in turn with two ends of the cushioning groove provided in the middle of the transmission teeth tube. When the transmission teeth tube enters process, the upper gear and lower gear are in none engage state and through the upper accentor and lower accentor maximum accentor point to enter buffer angle beta zone and the finish single direction process of the transmission teeth tube. The utility model replaces the hydraulic pressure piston buffer device or atmospheric pressure piston buffer device with machine buffer device, which is compacted in structure, reasonable, of small space and low maintenance difficulty.