2results about How to "Reduce low frequency vibration" patented technology

The utility model relates to the technical field of landing gear, concretely relates to a landing gear damping mechanism. It includes stand, crossbeam, wheel frame and sets up the damping component between stand and crossbeam, and the damping component is constituted by outer tube, piston rod, piston head, honeycomb aluminium energy absorption module group and disc spring bag etc. Honeycomb aluminium energy absorption module group is at least two layers along the axial direction and is equipped with deformation joint between layers, and honeycomb aluminium energy absorption module group, disc spring bag and piston rod are arranged in outer tube from top to bottom, and the conical force transmission rod of piston rod top inserts the central hole of honeycomb aluminium energy absorption module group and forms the conical surface cooperation. The landing gear adopts the "hydraulic damping-honeycomb aluminium-disc spring" compound damping structure, and through honeycomb aluminium graded energy absorption, disc spring nonlinear elasticity and friction damping, hydraulic damping medium energy dissipation, effectively solve the problem of traditional landing gear energy absorption efficiency low, high frequency vibration attenuation deficiency, heavy load impact load concentration etc., and is suitable for high frequency impact and concentrated load working condition, and the damping effect is good.

The utility model discloses a kind of muffler air inlet pipe connecting frame, relate to agricultural machinery technical field.The muffler air inlet pipe connecting frame, including base, the base upper fixedly connected with engine, engine side surface fixedly installed with support frame, support frame is fixedly installed with shell, shell upper and lower sides are fixedly installed with air outlet pipe and air inlet pipe and with shell interior intercommunication, engine side surface is equipped with exhaust port, support frame lower side fixedly connected with pipe support, fixedly installed with rubber pad between pipe support and air inlet pipe;Support frame front end lower side fixedly installed with shock-absorbing rod.The muffler air inlet pipe connecting frame, the shock-absorbing spring of the muffler air inlet pipe connecting frame's connecting support frame installation can effectively attenuate low-frequency vibration generated when engine operates, through elastic deformation absorption vibration energy, reduce the vibration transmission caused by rigid connection, avoid the problem that weld point cracks, component loosening etc.