1results about How to "Sensitive brakes" patented technology

The utility model relates to automatic speed -limiting technical field discloses a soft liquid storage device and liquid back -up compression type speed -limiting system, and soft liquid storage device includes the flexible inner tube and spring -like metal outer tube of soft material, and liquid back -up compression type speed -limiting system includes liquid pump, and the rotating shaft of liquid pump is fixed to walking mechanism rotating axle, and liquid cylinder throttler and soft liquid storage device are connected in proper order from the liquid outlet of liquid pump to liquid inlet, and liquid cylinder throttler includes liquid cylinder, throttle valve and piston reset spring, and the cylinder stem of liquid cylinder is connected with the valve element of throttle valve through transmission mechanism and drives, and the liquid outlet of liquid pump is connected to liquid cylinder and throttle valve through two branches respectively, and piston reset spring provides the reset force opposite to hydraulic propelling force for the piston of liquid cylinder.