Reciprocating Pipe Compactor for Trench Gradient Maintenance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional pipe laying in trenches requires workers to manually compact aggregate material around the pipe, which is hazardous and inefficient, especially for maintaining the pipe's gradient, and existing compaction devices struggle with large pipes due to limited compaction force and uneven compaction.
Innovation Solution
A single powered compactor mechanism with a reciprocating elongate element that compacts aggregate beneath and alongside the pipe, maintaining the gradient by rotating to compact one side at a time, integrated with an excavator for ease of use and high compaction force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If workers manually compact aggregate material in the trench, then the pipe gradient can be maintained, but the working environment becomes hazardous and the process is inefficient
Solution Approach 1:
The compactor mechanism is designed to automatically compact aggregate material about the pipe without requiring workers to be present in the trench. The system uses a powered compacting element that reciprocates along the pipe length, with positioning achieved through rotation of the compactor assembly, enabling the equipment to service itself and eliminate human exposure to trench hazards
Solution Approach 2:
Manual mechanical compaction by workers is replaced with a powered mechanical compaction system. The patent employs a powered compacting element driven by hydraulic or electric motors, which reciprocates to compact the aggregate material, substituting human labor with automated mechanical systems that maintain pipe gradient reliably
2Productivity
If simultaneous compaction about both sides of the pipe is attempted, then compaction speed increases, but compaction force is limited and pipe diameter is restricted
Solution Approach 1:
The compaction process is segmented into sequential operations rather than simultaneous dual-sided compaction. The single compacting element compacts one side of the pipe, then the assembly rotates to compact the opposite side. This segmentation allows full compaction force to be applied to one side at a time while maintaining overall productivity through continuous operation
Solution Approach 2:
The compactor assembly incorporates rotational movement to dynamically reposition the compacting element from one side of the pipe to the other. This dynamic positioning mechanism, combined with reciprocating compaction motion, enables the system to adapt to different pipe diameters and maintain high compaction force throughout the process
3Ease of manufacture
If surface compactors are used, then the compaction process is simpler, but compaction quality is inferior
Solution Approach 1:
The compaction approach transitions from surface-level compaction to subsurface compaction. The compacting element is designed to penetrate beneath the aggregate material surface and compact from below, achieving superior compaction quality by addressing the fundamental compaction requirement while maintaining operational simplicity through the integrated design
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
Ensures reliable compaction of aggregate material around the pipe, maintaining the gradient without human intervention, providing superior compaction force and uniformity, especially for larger pipes, enhancing safety and efficiency.
Implementation Method 1
a single powered compacting element, the compacting element being configured to be moveable in a reciprocating motion along the length of a placed pipe for simultaneously compacting the aggregate
Implementation Method 2
compacting the aggregate to a pre-defined minimum density about the bed and side of the pipe
Implementation Method 3
the single powered compacting element is attached to the rotatable element. This provides for manoeuvring and position of the compacting element. The rotatable element may be rotatable from a central position through an angle of at least 90 degrees
Implementation Method 4
In use, the compacting element may be submerged beneath the aggregate material at all times when compacting the aggregate. This provides for optimal compaction. It further provides superior compaction compared to surface compactors
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention relates to compactor mechanism for compacting of aggregate material (10) about a pipe (9) in a trench, the pipe having a predetermined pipe gradient, wherein the compactor mechanism comprises a single powered compacting element (3), the compacting element being configured to be moveable in a reciprocating motion along the length of a placed pipe for simultaneously compacting the aggregate to a pre-defined minimum density about the bed and sides of the pipe along the length of the pipe to maintain the pipe gradient.