Tunnel lining multiposition detects with geological radar antenna machinery pushing arm bracket

The utility model relates to a tunnel lining multiposition detects with geological radar antenna machinery pushing arm bracket, including elevating gear, support arm, swing arm, pneumatic cylinder, spring and antenna tray, the fixed top that sets up at elevating gear in bottom of support arm, the top of support arm is articulated with the swing arm bottom, the top of swing arm is passed through the spring and is linked to each other with the antenna tray, the pneumatic cylinder is including no pole chamber and have the pole chamber, the no pole chamber of pneumatic cylinder and have the pole chamber to articulate respectively on elevating gear's top and swing arm. The utility model provides a detection at vault, haunch, the different positions of side wall can be satisfied and the tunnel lining multiposition detects with geological radar antenna machinery pushing arm bracket of the accuracy of testing result can be guaranteed again. 本实用新型涉及种隧道衬砌多位置检测用地质雷达天线机械臂托架，包括升降装置、支撑臂、动臂、液压缸、弹簧以及天线托盘；支撑臂的底部固定设置在升降装置的顶部；支