Split sliding type cover plate of automobile power supply port
Lock hook assembly and elevator landing door lock device
Tray disassembling/stacking mechanism for forking trays through fork plate stretching
Tray combining mechanism for combining goods and trays on conveying line
Method and device for estimating vehicle driving lane line and storage medium
Method and device for determining weight of elevator safety index
Elevator fault diagnosis method based on graph neural network
Elevator passenger number detection method based on deep learning
Traffic jam degree multi-dimensional analysis method based on deep learning
Elevator vibration fault diagnosis method based on car acceleration analysis
Device and method for recycling elevator operation renewable energy
Large transformer coil end ring self-pressing hoisting tool and hoisting method
Special vehicle-mounted light system and light adjusting method thereof
Steam heat supply vehicle capable of realizing rapid heat charging