Coaxial Pivot Height Guide for Mobile Machining Units
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Solution Overview
Problem
Existing mobile processing units for maintaining green areas have complex height adjustment mechanisms that increase assembly and maintenance costs due to numerous components, making them prone to wear and difficult to operate effectively.
Innovation Solution
A mobile processing unit with a height guide frame whose pivot axis is coaxially arranged with the processing rotor's axis of rotation, simplifying height control and eliminating the need for complex lever mechanisms, featuring a support arm with a locking mechanism and a pivotably mounted holder for adjustable guide elements, and an optional hydraulically or electromotively controllable spindle for flexible height adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a complex lever mechanism is used for height adjustment of the height guide frame, then the height adjustment function is achieved, but the device complexity and number of components increase
Solution Approach 1:
The patent extracts and eliminates the complex lever mechanism from the height adjustment system. Instead of using a lever mechanism with multiple components, the invention uses a simplified adjustment device with a spindle that directly adjusts the height guide frame, reducing the number of components while maintaining the height adjustment function.
Solution Approach 2:
The patent merges the height adjustment function with a simplified spindle mechanism. The adjustment device combines the height guide frame adjustment with a single spindle component that can be manually or electromotively adjusted, eliminating the need for separate lever mechanisms and reducing overall device complexity.
2Ease of operation
If a lever mechanism is used for height adjustment, then height control is achieved, but maintenance costs and wear increase due to numerous joints
Solution Approach 1:
The patent removes the lever mechanism with its multiple joints from the system. By using a spindle-based adjustment device, the invention eliminates the joints that cause wear and reliability issues, while still achieving effective height control of the processing rotor.
Solution Approach 2:
The patent replaces the mechanical lever mechanism with a spindle-based adjustment system. This substitution reduces the number of moving joints and components, thereby decreasing susceptibility to wear and improving overall reliability while maintaining height control functionality.
3Ease of operation
If a manually adjustable spindle is used for height adjustment, then height adjustment is possible, but the adjustment process is time-consuming and labor-intensive
Solution Approach 1:
The patent introduces dynamic adjustment capabilities by providing both manual and electromotively controllable spindle options. The electromotively controllable spindle allows for rapid, automated height adjustments, transforming the static manual adjustment process into a dynamic system that can adapt to different working conditions quickly.
Solution Approach 2:
The patent enables parameter changes in the adjustment method by offering both manual and automated (electromotively controllable) spindle options. This allows the system to change the adjustment parameter from manual operation to automated control, reducing adjustment time and improving efficiency based on specific application requirements.
Data Source
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AI summary
A mobile processing unit (1) for the maintenance of green areas (2), in particular lawns and meadows, is presented. This unit comprises a processing rotor (6) oriented transversely to its direction of movement (B), housed in a casing (3), rotatably mounted about a rotational axis (4), and having processing tools (5). The unit also includes a height guide frame (8) with at least one guide element (9, 10), the height of which can be changed about a pivot axis (7) relative to the casing (3). The height guide frame (8) has at least one guide element (9, 10), and the change in height of the height guide frame (8) is enabled by means of an adjustment mechanism (11). A further development of the invention consists in the pivot axis (7) of the height guide frame (8) being arranged coaxially with the rotational axis (4) of the processing rotor (6).