Rail-Mounted Sawmill Carriage for Safer Field Relocation
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Solution Overview
Problem
Current sawmill transportation methods are cumbersome, labor-intensive, and pose safety risks due to the large and awkward structure of sawmills, which complicates relocation and reassembly.
Innovation Solution
A sawmill carriage with a frame, translation structures, and transportation wheels that allow for easy mounting and dismounting on log support structure rails, facilitating efficient relocation and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the entire sawmill is mounted on a trailer structure for transportation, then the sawmill can be moved to locations close to felled trees, but the structure becomes large and awkward to store or transport by plane or boat, and is difficult to pull through wooded areas
Solution Approach 1:
The sawmill is divided into separate components (sawmill head, frame, log support structure) that can be transported independently and assembled at the destination. This segmentation allows each component to be sized and shaped for optimal transportation while maintaining the functionality of the complete system when assembled.
Solution Approach 2:
The sawmill head is extracted as a separate transportable unit that can be detached from the frame. This allows the heavy cutting mechanism to be moved independently and reattached at the new location, simplifying transportation logistics.
2Device complexity
If the sawmill components are transported separately and reassembled at the new location, then the structure is easier to transport and store, but the reassembly process is time-consuming and poses injury risks to workers due to the weight and cumbersomeness of the components
Solution Approach 1:
The frame is pre-configured with mounting structures and attachment points that prepare it for rapid assembly of the sawmill head and log support structure. This preliminary preparation significantly reduces the time and effort required for reassembly at the new location.
Solution Approach 2:
Quick-connect mechanisms and intermediate mounting structures facilitate the assembly process, acting as mediators that simplify the connection between heavy components. These intermediaries reduce the manual handling required and minimize worker exposure to injury risks.
3Device complexity
If the sawmill components are transported separately, then the transportation and storage is more manageable, but the process requires multiple handling operations that increase the risk of worker injury
Solution Approach 1:
The frame and components are designed with balanced weight distribution and integrated handling features that allow for safer manipulation during transport and assembly. This equipotential design reduces the physical strain on workers and minimizes the risk of injury during handling operations.
Data Source
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AI summary
A sawmill carriage (20) includes a frame (24) having a handle (60), translation structures connected to the frame (24) towards lateral sides (LS) thereof, a sawmill head (28), and a pair of transportation wheels (88) rotatably connected to the frame (24) towards a longitudinal end (RLE) thereof. The translation structures are mountable on rails (92) of a log support structure (96) that can support a log (100). The rails (92) extend in a longitudinal direction (LD) and enable travel of the sawmill carriage (20) in the longitudinal direction (LD) when the sawmill carriage (20) is mounted thereon. The sawmill head (28) has a saw blade (64), a portion of which is positionable to cut the log (100) positioned on the log support structure (96) when the sawmill carriage (20) is mounted on the rails (92), and the sawmill carriage (20) travels in the longitudinal direction (LD). The handle (60) is positioned to enable tilting and/or transportation of the sawmill carriage (20). A kit and method of using the sawmill carriage (20) are also provided.