Deflection Distributor Kit for Roller Crusher Skewing
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Solution Overview
Problem
Roller crushers face issues with skewing due to uneven material feed, varying bulk density, particle size, and moisture content, leading to unbalanced loads and potential jamming, which can cause excessive wear and reduce the effectiveness of the crushing process.
Innovation Solution
A deflection distributor refitting kit is provided, comprising a deflection distributing shaft with interconnectable sub-shafts, thrust rods, and mounts for attachment to the roller crusher frame. This kit creates a mechanical connection between the bearing housings, allowing for immediate compensation of uneven loads and maintaining the parallel movement of the crusher rolls, thus preventing skewing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If hydraulic systems with accumulators are used to control gap width, then the system can handle varied material feed characteristics, but the response time is delayed and the system becomes complicated
Solution Approach 1:
The patent replaces the hydraulic control system with a mechanical deflection distributor system consisting of a deflection distributing shaft, thrust rods, and lever arms. This mechanical system provides immediate response to material feed variations without the delay inherent in hydraulic systems. The deflection distributing shaft directly translates material pressure variations into bearing housing position adjustments through pure mechanical leverage, eliminating fluid compression and valve response delays.
Solution Approach 2:
The deflection distributing shaft acts as a mechanical intermediary that distributes material feed pressure variations to multiple bearing housings simultaneously. This intermediary mechanism ensures coordinated movement of all bearing housings in response to uneven material distribution, maintaining parallel roller alignment while responding instantly to feed variations.
2Adaptability or versatility
If hydraulic systems are used to compensate for uneven feed, then gap width can be adjusted, but the system complexity increases
Solution Approach 1:
The patent replaces complex hydraulic systems with a simpler mechanical deflection distributor system. The system uses a deflection distributing shaft connected to bearing housings via thrust rods and lever arms, providing automatic compensation for uneven material feed through pure mechanical means without requiring hydraulic pumps, valves, or fluid control mechanisms.
Solution Approach 2:
The deflection distributor system is self-actuating, using the material feed pressure itself to drive the compensation mechanism. When material is fed unevenly, the resulting pressure differential automatically moves the deflection distributing shaft, which in turn adjusts bearing housing positions to maintain parallel roller alignment, eliminating the need for external control systems.
3Productivity
If high compression forces are applied for interparticle crushing, then throughput and energy efficiency improve, but skewing and jamming occur due to unbalanced loads
Solution Approach 1:
The deflection distributor system provides immediate feedback on material feed distribution along the roller length. When uneven feed causes one bearing housing to move, the deflection distributing shaft detects this position change and automatically adjusts other bearing housings to maintain parallel alignment, preventing skewing and jamming that would otherwise occur under high compression forces.
Solution Approach 2:
The system dynamically adjusts bearing housing positions in real-time based on material feed conditions. The deflection distributing shaft and thrust rods enable continuous, automatic repositioning of bearing housings to compensate for uneven material distribution, allowing the crusher to maintain optimal parallel alignment even under varying high compression loads.
Data Source
AI summary
Disclosed is a deflection distributor refitting kit for a roller crusher. According to the disclosure the deflection distributor refitting kit comprises a deflection distributing shaft, thrust rods each having first and second ends and mounts for attachment of the deflection distributing shaft at a frame of the roller crusher, wherein a first end of each of said thrust rods is attached to the deflection distributing shaft via a lever, wherein a second end of each of the thrust rods is arranged to be attached to a movable bearing housing of the roller crusher, and wherein the deflection distributing shaft comprises at least two interconnectable sub-shafts. Also disclosed is a method for mounting the deflection distributor refitting kit, as well as a roller crusher comprising a deflection distributor.