Maintenance Platform Climbing Unit for Jackup Rig Stability
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Solution Overview
Problem
Existing maintenance platforms for oil rigs, particularly those using cables for fixation, suffer from low stability in unfavorable weather conditions, limiting their use and posing safety risks for maintenance staff.
Innovation Solution
A maintenance platform with corner modules equipped with climbing units that interact with the existing gearing system on the oil rig's frame legs, allowing for stable upward or downward movement, and optionally using connecting elements like cranes or lift devices to form a modular, encircling platform for comprehensive maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cables are used to fix the maintenance platform, then the platform can be moved vertically, but the stability is low in unfavorable weather conditions
Solution Approach 1:
The patent replaces the cable-based mechanical suspension system with a climbing unit that engages positively with the gearing system's teeth. This substitution eliminates the instability caused by cables in wind, as the climbing unit provides rigid mechanical engagement with the frame leg structure, allowing the platform to maintain stability while still enabling vertical movement through the gearing mechanism.
Solution Approach 2:
The patent changes the engagement parameter from flexible cable tension to rigid tooth engagement. The climbing unit's engagement elements interact with the gearing system's teeth to provide stable positioning, transforming the platform's connection from a flexible suspension to a rigid mechanical engagement that maintains stability across varying weather conditions while preserving vertical mobility.
2Ease of repair
If a maintenance platform is used underneath the work platform, then maintenance work can be performed, but the platform is exposed to environmental influences and maintenance is hazardous
Solution Approach 1:
The patent employs a dynamically positionable maintenance platform that can be vertically moved along the frame leg using the climbing unit and gearing system. This dynamic positioning capability allows the platform to be adjusted to optimal working positions, enabling maintenance staff to perform repairs while being protected from environmental influences by the platform structure, thus reducing hazards associated with exposed maintenance work.
3Ease of manufacture
If existing gearing systems are reused for the maintenance platform, then costs are reduced, but the platform may lack sufficient stability
Solution Approach 1:
The patent applies the universality principle by designing the climbing unit to engage with the existing gearing system's teeth, allowing the same mechanical structure to serve dual purposes: the original function of the gearing system and the new function of supporting the maintenance platform. This multi-functionality approach enables cost reduction by reusing existing components while achieving the required stability through the climbing unit's positive engagement mechanism.
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 solution provides high stability and safety for maintenance operations even in high winds, utilizing existing gearing systems to reduce costs and enhance accessibility across the frame leg, enabling complete maintenance in horizontal and vertical planes.
Implementation Method 1
the at least one corner module is provided with at least one climbing unit which interacts positively with at least one gearing system that is arranged on the frame leg in order to bring about an upward or downward movement of the at least one corner module along the frame leg
Data Source
AI summary
The invention relates to a maintenance platform (1, 10) for an oil rig equipped with a work platform and at least three frame legs (2) b, particularly a jackup oil rig, wherein at least one corner module (6) having at least one platform can be moved along at least one frame leg (2) of the oil rig, wherein the at least one corner module (6) is equipped with at least one climbing unit (110), which positively interacts with at least one gearing system (4) that is arranged on the frame leg (2) in order to bring about an up or down movement of the at least one corner module (6) along the frame leg (2).