Roller Support Structure With Sliding Grooves For Adjustable Scrapers
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Solution Overview
Problem
Existing soil working rollers have support structures that are limited to solely supporting scrapers, restricting their functionality and requiring adjustments that involve changing the entire structure when switching between different types of rollers, which reduces flexibility and increases assembly complexity.
Innovation Solution
The support structure features a rear attachment zone with sliding grooves, allowing continuous and unlimited adjustment of scraper positions, enabling the front half to serve additional functions and accommodating various types of rollers without the need for extensive reconfiguration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the support structure uses stirrups enclosing the support structure to mount scrapers, then the scrapers can be assembled in groups for faster assembly, but the support structure's functionality is restricted to solely supporting scrapers and the stirrups may cause caulking of the supporting structure
Solution Approach 1:
The support structure is divided into two functional zones: a front half dedicated to connection functions with the roller structure and a rear half (attachment zone) dedicated to mounting scrapers. This segmentation allows each zone to perform its specific function optimally without interfering with the other, resolving the contradiction between assembly efficiency and functional versatility.
Solution Approach 2:
The mounting function for scrapers is extracted from the entire support structure and concentrated specifically in the rear attachment zone. This extraction allows the front half of the support structure to be freely used for connection functions, thereby increasing the overall versatility of the support structure while maintaining efficient scraper assembly capabilities.
2Ease of manufacture
If bolts pass through the supporting structure to fix scraper groups, then the scrapers can be assembled by tightening, but the supporting structure requires holes that reduce its strength and are dedicated to one type of scraper
Solution Approach 1:
The attachment zone in the rear half of the support structure is specifically designed with localized mounting features (such as localized thinning or integrated mounting elements) that provide easy assembly capability only where needed, while the rest of the support structure maintains its full strength and integrity for connection functions.
Solution Approach 2:
The mounting function and the support structure are merged in the rear attachment zone, where the support structure itself incorporates mounting capabilities through its design (such as integrated mounting ears or localized geometric features). This eliminates the need for separate holes that would compromise structural strength, as the mounting features are seamlessly integrated into the support structure's design.
3Device complexity
If the support structure has fixed hole spacings for mounting scrapers, then the lateral position of arms is fixed, but changing roller types requires changing the entire support structure
Solution Approach 1:
The attachment zone is designed to accommodate variable positioning of scraper arms along the rear half of the support structure. Instead of fixed holes, the design allows for adjustable positioning (through mechanisms like adjustable brackets, repositionable mounting features, or flexible positioning along the attachment zone), enabling the same support structure to adapt to different roller types with different scraper spacing requirements.
Solution Approach 2:
The support structure is designed with universal adaptability by concentrating all mounting capabilities in the rear attachment zone, which can accommodate various scraper configurations. The front half remains dedicated to connection functions, creating a universal support structure that can work with different roller types without requiring complete replacement, thereby reducing device complexity while increasing versatility.
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
The roller (1) has cleaners (5) set between rims (4). Each cleaner comprises an arm (7) supporting a plate (6) at a lower end of the arm, and is fixed on a carrier structure (8) at an upper end of the arm. The structure includes a fixation area (10) to receive the arm. The area is limited to a half portion of a rear side of the structure and viewed transversely at direction (A) of forward travel during work. The structure includes round shaped upper and lower grooves (11, 12) realizing a slide, where the grooves are symmetrically arranged with respect to a symmetry plane (13) of the structure.