Rotary Star Screening Shafts With Quick-Clamp Split Couplings
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing rotary star screening installations are inefficient and error-prone due to the lengthy and complex process of modifying the star train, which requires complete disassembly of the drive mechanism and bearings, leading to high risk of reassembly errors and prolonged maintenance time.
Innovation Solution
A rotary star screening installation with a guide mechanism providing pivot connections for each rotating shaft, allowing for easy dismantling and reassembly through a radial clamping locking mechanism that facilitates coupling and uncoupling of shaft parts, enabling rapid and error-free modifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the rotating shaft is designed as a single unit mounted in bearings at both ends, then the structure is simple and robust, but any modification requires complete disassembly of the drive mechanism and bearings, making modifications lengthy and error-prone
Solution Approach 1:
The rotating shaft is divided into multiple shaft sections (first shaft section and second shaft section) that can be independently assembled and disassembled. The coupling mechanism allows these sections to be connected or separated without affecting the entire shaft assembly, enabling rapid modifications while maintaining structural integrity during operation.
Solution Approach 2:
The coupling mechanism between shaft sections is designed to be dynamically changeable - locked together during operation to ensure robustness, but easily separable when modification is needed. This dynamic state change allows the system to switch between operational reliability and maintenance ease.
2Stability of the object's composition
If the rotating shaft requires complete disassembly for modifications, then the structure maintains integrity, but the modification process becomes time-consuming and prone to errors
Solution Approach 1:
By segmenting the shaft into modular sections with standardized coupling interfaces, modifications can be performed on individual sections without disassembling the entire shaft assembly. This reduces modification time significantly while maintaining the integrity of the remaining shaft sections during both operation and maintenance.
Solution Approach 2:
The coupling mechanism is pre-designed with alignment features and locking components that guide the assembly process. This preliminary design ensures that when sections are reassembled after modification, they automatically align correctly, preventing errors and reducing the time required for reassembly.
3Stability of the object's composition
If bearings are permanently mounted at both ends of the rotating shaft, then the shaft is stable during operation, but removing and reassembling bearings increases complexity and error risk
Solution Approach 1:
The shaft is segmented such that bearings are mounted on specific shaft sections rather than requiring disassembly of the entire shaft assembly. This allows modifications to be performed on sections without bearings while leaving other sections with bearings undisturbed, maintaining operational stability and reducing assembly complexity.
Solution Approach 2:
The coupling mechanism extracts the function of connecting shaft sections from the bearing assembly. By separating the coupling function from the bearing mounting, modifications can be performed on shaft sections without requiring bearing removal, thereby maintaining operational stability while reducing assembly complexity.
Data Source
Figure 1~2
Figure 3~4C
Figure 5A~6
AI summary
A rotary star screening plant is described, comprising at least one separation table (10) for separating bulk materials into fine particles that pass through the separation table (10) and coarse particles that are discharged at one end of the separation table (10). The separation table (10) comprises a frame-shaped chassis and a plurality of parallel rotating shafts (11), each rotating shaft (11) comprising a plurality of rotating stars (12). The screening plant includes a drive mechanism coupled to one end of each of the rotating shafts (11).The first and second coupling members (111c, 112c) of the first and second shaft parts (111, 112) into which each shaft is subdivided can occupy a coupling configuration in which the first and second coupling members (111c, 112c) are mutually engaged in such a way that the first shaft part (111) is rotationally coupled with the second shaft part (112), each rotating shaft (11) comprising a locking mechanism operating by radial clamping transversely to the axis of the rotating shaft (11) and can occupy a locking configuration in which the locking mechanism, under the effect of said radial clamping, locks the first and second coupling members (111c, 112c) in the coupling configuration.