Compliance analysis of a typical debris elevator door lock device

Sundry elevator door lock failure is easy to lead to the occurrence of shear and other accidents. Compared with the maturity and stability of the traction drive passenger (cargo) elevator in the door lock design, many newly designed sundries elevator door lock devices have certain defects. This paper introduces the structure and composition of a typical sundries elevator door lock device, nalyses the locking principle, discusses the conformity of the locking verification, obtains the reason of its failure, and puts forward the corresponding rectification measures.