Shield constructs outer spout structure of machine knife dish

The utility model relates to a shield constructs quick -witted equipment technical field, discloses a shield constructs outer spout structure of machine knife dish, include at the fixed spout protection tube that sets up in the interior spout exit of blade disc, span the outer port of spout protection tube is provided with spout protective strip, spout protective strip can effectively reduce the spout and block up the probability. The utility model discloses simple structure can prevent effectively that the spout from blockking up, and later stage change easy maintenance and commonality are good. 本实用新型涉及盾构机设备技术领域，公开了种盾构机刀盘外喷口结构，包括在刀盘的内喷口出口处固定设置的喷口保护管，横跨所述喷口保护管外端口设置有喷口保护条，所述喷口保护条能够有效降低喷口堵塞几率。本实用新型结构简单，能够有效防止喷口堵塞，后期更换维修方便且通用性好。