General elevator polyurethane buffer LD-HC-L19 elevator parts

The buffer is an elevator safety device that provides the last kind of safety protection. It is installed in the elevator shaft pit, directly below the car and counterweight. When the elevator moves upward or downward, due to wire rope breakage, traction friction, insufficient brake force or control system failure, the buffer will act as a buffer to prevent the elevator car or counterweight from directly hitting the bottom or top, protecting the safety of passengers and equipment.

Elevator safety component buffers are mainly divided into: energy-consuming buffers (mainly oil-pressure buffers) and energy-storage buffers (mainly metal spring buffers and polyurethane buffers).

Polyurethane buffers are microporous foam materials of rubber type. Each micropore is equivalent to a small spring, which can also store energy through its own deformation. In addition, the material of organic polymers brings excellent energy consumption ability. It can consume external impact energy through the mutual friction and heat generation of hundreds of millions of microscopic molecular chains during deformation and recovery. That is, polyurethane buffers can store and consume energy through their own deformation.

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