Three-legged wall-climbing robot

The invention discloses a three-legged wall-climbing robot which comprises electric telescopic rods (1), wherein the three electric telescopic rods (1) are in an end-to-end connection and connected to moving joint shafts (2) to form a triangular structure; a cylinder (3) is connected to the lower end of each moving joint shaft (2); suction cup brackets (4) are connected under the cylinders (3); spring-buffered suction cups (6) are connected to the bottom of the suction cup brackets (4); shaft sleeves (7) are sleeved on journals (22) of the three moving joint shaft (2); and the other end of the three shaft sleeves (7) is movably connected to three pins (51) of a triangle carrying platform (5). The three-legged wall-climbing robot has the advantages of crossing obstacles with a certain height, making a turn flexibly, moving coordinately, and capable of finishing a task of cleaning walls by replacing manual labor. 本发明公开了三腿式爬壁机器人，它包括有电动伸缩杆（1），三根电动伸缩杆（1）首尾相连在运动关节轴（2）上构成三角形结构；每个运动关节轴（2）下端连接个气缸（3），气缸（3）下方连接的吸盘支架（4），