设计了一款救援机器人，具有体积小、多功能等特点，可适应救援任务的多种需求。主要设计内容包括：履带式行走机

构设计；四自由度机械臂和抓取机构设计；往复式电锯破障装置和铲斗抬升机构设计等-This paper designs a rescue robot， which has the advantages of small volume， multiple functions and so on， and can adap

to the various needs of the search and rescue mission. Design content includes mechanism design of walking crawler， the design of fou

freedoms mechanical arm and gripper mechanism， and reciprocating saw broken barrier device and a bucket lifting mechanism design.