Screed Extension Mounting Catch for Faster Alignment
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Solution Overview
Problem
The installation of bolt-on screed extensions for paving machines is laborious, costly, and time-consuming due to their weight and the need for additional equipment, as well as the complexity of proper positioning and alignment for an even asphalt mat.
Innovation Solution
A screed extension attachment system featuring a mounting wall with receptacles and fastening members that engage with a mating wall, allowing for easy and secure attachment of screed extensions to the main screed assembly, facilitating adjustments and alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If bolt-on screed extensions are used to increase paving width, then the paving width capability is improved, but the installation becomes laborious and time-consuming due to heavy weight requiring additional lifting equipment
Solution Approach 1:
The screed extension is divided into multiple segments that can be attached to the main screed in a modular fashion. This segmentation allows each segment to be lighter and easier to handle, eliminating the need for heavy lifting equipment while still achieving the desired increased paving width through cumulative addition of segments.
Solution Approach 2:
The screed extension segments are designed to nest within or attach to the main screed structure in a compact manner. The segments can be stored in a nested configuration on the paving machine and deployed by unfolding or attaching sequentially, reducing installation time and eliminating the need for external lifting equipment.
2Adaptability or versatility
If bolt-on screed extensions are installed to increase paving width, then the adaptability is improved, but the installation becomes costly due to requirement of additional equipment
Solution Approach 1:
The screed extension system incorporates self-aligning features and self-securing mechanisms that allow the segments to be attached to the main screed without requiring external lifting equipment or specialized installation tools. The segments can be positioned and secured by the installation crew using standard equipment already available on the paving machine, thereby reducing installation costs.
3Adaptability or versatility
If bolt-on screed extensions are attached to main screed, then the paving width is increased, but the positioning and alignment becomes complex and laborious to achieve even asphalt mat
Solution Approach 1:
The screed extension segments are pre-configured with alignment features, pre-positioned mounting points, and pre-set angles that ensure proper positioning relative to the main screed. This preliminary preparation of alignment features eliminates the need for complex field measurements and adjustments during installation, allowing operators to achieve proper alignment quickly and accurately for even asphalt mat deposition.
Solution Approach 2:
The system replaces complex mechanical alignment procedures with simplified positioning mechanisms such as guide rails, alignment pins, or visual alignment markers. These features substitute for traditional manual measurement and adjustment methods, making the positioning and alignment process straightforward and ensuring consistent results for even asphalt mat laying.
Data Source
AI summary
A system for attaching a mounting wall of a screed extension to a screed assembly including a first mounting component configured to be engaged within a first receptacle provided on the mounting wall. The first mounting component includes a first fastening member. The system further includes a second mounting component configured to be received within a second receptacle provided on the mounting wall. The second mounting component includes a second fastening member to engage with the first mounting member on the mounting wall and a mounting catch to engage with a mating wall of the screed assembly.