一台铁牛-55型拖拉机驾驶员反映,机车运输作业时经常在路途中修补大轮胎内胎。经过我们拆卸轮胎后发现,内胎并不是被什么东西扎破而漏气的,而是内胎靠近外胎带口处被带口磨出一环形伤痕,漏气就常出现在此处。为了解决这一问题,我们根据9.00—20轮胎结构原理,也给铁牛-55型拖拉机驱动 A tractor of a tractor -55 tractor reports that the locomotive often repairs the inner tube of a large tire on the way while the locomotive is being transported. After we disassemble the tire and found that the tube is not something punctured and leaked, but the inner tube near the mouth of the tire belt was worn out a circular wound, leak often appear here. In order to solve this problem, we also based on 9.00-20 tire structure principle, but also to the Tractor -55 Tractor drive