介绍TY160高原型推土机折叠铲的研制背景、主要结构、工作原理、技术特点以及相关试验情况。该折叠铲通过工作状态和折叠状态的切换,能够解决其道路运输超宽和狭窄道路通过性差的问题,提高其在高原地区进行道路清障的机动性。该折叠铲已通过相关可靠性试验验证,使用性能满足要求。 This paper introduces the research background, main structure, working principle, technical characteristics and related test of TY160 bulldozer folding shovel. The folding shovel can solve the problem of poor road transport and narrow road passing through the switching between the working state and the folded state and improve the maneuverability of the road wrecker in the plateau area. The folding shovel has passed the relevant reliability test to verify the performance to meet the requirements.