Application of"Dual Insurance"Manned Lifting System Technology in Deep Well Construction
During the deep well excavation and support construction phase,as well as the subsequent concrete lining construction phase,a manned lifting device is required to transport personnel up and down the well.Especially during the excavation and blasting phase,the manned device must frequently transport personnel and avoid blasting.The"dual insurance"manned lifting system technology uses two synchronous winches as traction lifting equipment,and a single rope cage with an independent anti fall device as the manned medium.The vertical lifting and transportation of personnel is achieved through the cantilever gantry and steel wire rope arranged at the wellhead of the deep well,with the design concept of"dual rope"system as backup for each other,providing"dual insurance"for improving system safety.
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