Robot arm with form switching function, robot leg and robot

The invention relates to the technical field of robot structure design, and discloses a robot arm with a form switching function, a robot leg and a robot. Comprising robot arms with a form switching function, robot legs with a form switching function, a robot head, a robot trunk part and a robot crossing part, and the robot head and the robot trunk part are movably connected through a first connecting structure; robot arms with a form switching function are mounted on the two sides of the robot trunk, and the lower end of the robot trunk is movably connected with the robot straddle part through a second connecting structure; the robot has the advantage of meeting the requirements of fast and stable walking and flexible operation at the same time. 本发明涉及机器人结构设计技术领域，公开了一种具有形态切换功能的机器人手臂、机器人腿部以及机器人；包括具有形态切换功能的机器人手臂、具有形态切换功能的机器人腿部、机器人头部、所述机器人躯干部和所述机器人跨部，所述机器人头部和所述机器人躯干之间通过第一连接结构活动连接，所述机器人躯干的两侧安装有具有形态切换功能的机器人手臂，所述机器人躯干部的下端和所述机器人跨部通过第二连接结构活动连接；具有同时满足了快速稳定行走和灵巧作业的需求的优点。