Hydraulic Cable Shearing Apparatus for Drilling Rigs
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current cable management and cutting systems on drilling rigs are inefficient and unsafe, as they require manual handling and lack precise control over cable tension and cutting, leading to wear and maintenance challenges.
Innovation Solution
A cable shearing apparatus with a cable management assembly and a cable cutting assembly, featuring a continuous track and clamping system, a hydraulically-powered cutter arm, and a gantry assembly for lateral and longitudinal movement, allowing for secure and controlled cable spooling, tension management, and precise cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cable cutting and management is used, then operational simplicity is maintained, but operator safety and control precision deteriorate
Solution Approach 1:
A robotic arm with gripper acts as an intermediary between the operator and the cable cutting process. The robotic arm positions and holds the cable cutting apparatus, while the operator only needs to trigger the cutting action remotely. This intermediary system eliminates direct operator exposure to hazardous cutting operations while maintaining operational control.
Solution Approach 2:
The patent replaces manual mechanical cable handling and cutting with an automated robotic system. The robotic arm with gripper replaces manual cable positioning, and the automated cutting apparatus replaces manual cutting tools. This substitution improves safety and precision while requiring a more complex automated system.
2Manufacturing precision
If automated cable cutting apparatus is used, then cutting precision is improved, but device complexity increases
Solution Approach 1:
The cable cutting system is segmented into distinct functional modules: a robotic arm for positioning, a gripper for holding the cable, a cutting apparatus for severing the cable, and a control system for coordination. This segmentation allows each component to be optimized for its specific function while maintaining overall system manageability and precision.
3Productivity
If cable is spooled under load many times, then drilling operation efficiency is improved, but cable wear increases
Solution Approach 1:
The system incorporates sensors and control mechanisms that monitor cable tension, spooling speed, and operational parameters in real-time. This feedback allows the system to adjust spooling conditions to minimize cable wear while maintaining drilling productivity. The automated cable management system can detect early signs of excessive wear and adjust operations accordingly.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus enables safe and efficient management and cutting of cables, reducing operator risk and improving maintenance by allowing remote control, precise tension management, and high-capacity cable handling, facilitating safer and more efficient drilling operations.
Implementation Method 1
a hydraulic actuator laterally movable relative to the drawworks drum and configured to laterally move the cable cutting assembly
Data Source
AI summary
The invention relates to a cable shearing apparatus and method for effectively cutting a cable from a rotatable drum, such as drilling line, boring line, electrical line, fiber optic line or the like. The cable shearing apparatus includes a cable management assembly having a track assembly and a clamp assembly, and a cable cutting assembly used in conjunction with the cable management assembly to manage, retain and sever a spent portion of the cable upon the drum.