Automatic retracting and releasing lifting device for large AUV (Autonomous Underwater Vehicle)
Positioning structure and method for multifunctional repeatable interface
Ground gravity balancing device and method for telescopic capturing mechanism
Three-folding belt type pontoon bridge with self-propulsion function
Large-tolerance capturing, locking and releasing mechanism of a floating platform
Lunar butt joint pneumatic arm capable of being repeatedly unfolded and folded, device and method
Synchronous supporting mechanism for bridgejacking based on flat jack method
Initiating explosive device cut-off unlocking type power switching device
Rope-driven multifunctional transfer telescopic arm device
Connecting and unlocking mechanism driven by shape memory alloy spring
Active and passive combined planet vehicle automatic docking system and docking method
Logistics truck reversing unloading auxiliary parking system and control method thereof
Crawler-type self-walking double-row vegetable sowing robot
Brake valve group for hydrostatic transmission system of railway engineering machinery vehicle