Automobile door-opening early warning and collision preventing device
Load change adaptive steel wire rope traction lifting system
Safe driving auxiliary system and safe driving auxiliary method for driver
Public transportation electronic station board system and method
Slide rod type lightweight four-rotor unmanned aerial vehicle
Step chain idler wheel provided with protective covers
Method and system for detecting person trapping in elevator
Coder, external diagnosis equipment and on-line diagnosis and adjustment method
Single magnetic type permanent magnet track braking device
Remote sensing emergency monitoring and commanding vehicle
Method for detecting fatigue driving and driving in abnormal posture under multiple postures
New emergency vehicle preferential pass method and system based on vehicle-road cooperation
Horizontal conveying device capable of crossing steps and ramps
Automobile steering pipe column assembly and pull-off structure thereof
Automobile steering column assembly and collapse energy absorbing device thereof
Variable-gradient slant operation container hoisting rope adjusting device and method
Sealing device for steering intermediate shaft vehicle-passing metal plate
Electric steering pipe column mechanism used for automobile
Chain driving apparatus of two-way circulation conveying system
Variable slope slant lifting container test platform and method
Novel multifunctional integrated test vehicle and method for applying same
Gearbox power shutoff control system, hydraulic braking system and method and traveling gear
Shear-fork type lifting platform with wheel train transmission
Eccentric load adjusting mechanism and method for parallel suspended platform
Clamping method and device for hoisting heavy cutter outside machining center magazine
Overlapping device and overlapping method of gap between platforms
Special gradient-self-adapting oblique movement elevator
Variable-gradient speed limit rope guide device and method
Obstacle removing device of saw blade cutting type for unmanned plane