Pneumatic Jack System for Lifting Elevated Pipes
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Solution Overview
Problem
Existing lifting and lowering devices for heavy objects like elevated piping and cable racks are not equally effective, safe, and user-friendly, particularly when corrosion protection, painting, welding, and maintenance are required.
Innovation Solution
A jack system comprising elongate holding members and opposing jacks with seating means, arms, and a main movable body that allows for selective raising and lowering of elevated pipes or cable racks, featuring a ratchet mechanism and pneumatically actuated pistons for controlled movement, enabling safe and efficient access to contact areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional lifting devices like cranes with riggers or chainfalls are used, then heavy elevated piping and cable racks can be lifted and lowered, but the operations are not equally effective, safe, and user-friendly, requiring multiple operators and complex rigging procedures
Solution Approach 1:
The jack system is designed to be self-contained with integrated seating means, arms, and movable bodies that automatically position and support the load. The system serves itself by having the jack components directly engage with the holding members without requiring external rigging or multiple operators, making the operation simpler and safer
Solution Approach 2:
The jack system combines multiple functions into a single device: the seating means supports the load, the arms provide leverage and positioning, the movable body enables lifting and lowering, and the system can be used for both elevated piping and cable racks, replacing multiple specialized tools
2Weight of moving object
If multiple operators and complex rigging are used for lifting operations, then heavy objects can be moved, but the complexity and time required for setup and operation increases
Solution Approach 1:
The jack system is divided into distinct functional segments: seating means for load support, arms for mechanical advantage, movable body for position adjustment, and holding members for securing the load. This segmentation allows each component to perform its specific function efficiently without requiring complex integration or multiple operators
Solution Approach 2:
The arms act as intermediaries between the movable body and the seating means, providing mechanical leverage and force multiplication. This intermediary mechanism enables a single operator to lift heavy loads that would otherwise require multiple people and complex rigging systems
3Productivity
If access to contact areas is required for maintenance and inspection, then lifting and lowering of piping and cable racks is necessary, but traditional methods do not provide simultaneous access to multiple contact areas efficiently
Solution Approach 1:
The system combines multiple holding members and jacks into a single integrated system that can simultaneously support and position multiple pipes or cable racks. This allows workers to access multiple contact areas at the same time, improving productivity and reducing the total man-hours required for maintenance and inspection operations
Data Source
AI summary
The present invention relates to inspection and repair of piping, pipe supports and other often elevated cable racks on chemical, metallurgical and other industrial plants. In particular, the invention relates to devices and systems for lifting or raising heavy objects relatively short heights. More specifically, the invention relates to a jack system and a jack used with said system.