Centrifugal Spreader Rotation Shaft Segmentation for Disc Maintenance
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Solution Overview
Problem
Existing centrifugal spreaders for fertilizers and manures face challenges in terms of complexity, cost, and maintenance due to the need to detach multiple components for maintenance and adjusting the distribution disc, which complicates operations.
Innovation Solution
A centrifugal spreader design that divides the rotation shaft into two parts connected by a locking device and an articulated portion, allowing the distribution disc to be detached without removing the dispensing container, simplifying maintenance and assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the distribution disc is directly connected to the rotation shaft of the dispersion unit, then the construction is simplest, but the distribution disc cannot be detached for maintenance without removing the dispensing container
Solution Approach 1:
The rotation shaft is divided into two separate parts: a first part connected to the dispensing container and a second part connected to the distribution disc. These parts can be disconnected to allow the distribution disc to be removed independently without detaching the dispensing container, thus resolving the contradiction between construction simplicity and maintenance accessibility.
Solution Approach 2:
A connecting element acts as an intermediary between the first and second parts of the rotation shaft. This connecting element can be engaged or disengaged to couple or decouple the distribution disc from the dispensing container, enabling easy maintenance while maintaining a simple overall construction.
2Adaptability or versatility
If a dedicated motor is used to drive the agitator, then the greatest flexibility in geometry and functional characteristics is achieved, but additional costs due to supplementary components are incurred
Solution Approach 1:
The agitator is driven by the same rotation shaft that drives the distribution disc, rather than using a separate dedicated motor. This merging of drive functions reduces the number of components and costs while still allowing the agitator to achieve its mixing function through the rotational motion already present in the system.
3Ease of repair
If the distribution disc is detached for maintenance, then periodic replacement or width adjustment can be performed, but other components must also be detached which are not easily accessible
Solution Approach 1:
The rotation shaft is segmented into two detachable parts, allowing the distribution disc to be separated from the dispensing container independently. This segmentation enables maintenance operations on the distribution disc without requiring detachment of other components, thus reducing the number of detachment operations needed while improving maintenance accessibility.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design simplifies the detachment of the distribution disc, reduces complexity, and enhances maintenance accessibility, while maintaining operational reliability and robustness, especially in dusty environments.
Implementation Method 1
a rotating distribution disc, which receives the material dispensed via an outlet from the container in order to distribute it by means of a centrifugal force
Data Source
Figure 1
Figure 2A~2B
Figure 3A~3B
AI summary
A centrifugal spreader (100) for manures, fertilizers and granular materials in general comprises a hopper (1) for containing the granular material, a dispensing container (2) which receives the granular material from the hopper and comprises at least one outlet opening (20) for the controlled exit of the granular material, a distribution disc (3) which receives the granular material from the outlet opening, a transmission assembly (4) which transmits a rotary motion to the distribution disc and comprises a rotation shaft (5) divided into a first (51) and a second (52) part which are connected or connectable by means of a connecting element (6) selectively adapted to fix the two parts with respect to rotation or to separate them.