travelling block

释义

动滑轮；动滑车；

Trolley and traveling block system
Traveling block
Discuss on Character of Traveling Block-Crown Block-Drawworks System Kinematics and Dynamics
Analysis of Important Components of YC 450 Traveling Block with Finite Element Method
Failure analysis of traveling block hook fracture and preventative measures
Combined traveling block and casing hook
Influence of Process Design on the Deformation of the Guide Key for Traveling Block Hook
Analysis on Fatigue Test and Fatigue Property of Traveling Block and Rotary Hook Material
Fatigue Test and Analysis on the Material of Traveling Block and Rotary Hook
Development of isolation traveling block