Underside Maintenance Flap for Soil Cultivation Machine Storage
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Solution Overview
Problem
Soil tillage machines face challenges in efficiently utilizing their limited installation space for operation and maintenance, particularly in accessing and supporting maintenance actions on components like the milling drum without obstructing the machine's internal structure or increasing its external dimensions.
Innovation Solution
A maintenance flap on the underside of the machine frame that can be moved between a raised ready-to-operate position and a lowered maintenance position, featuring a maintenance seat and storage compartments for replacement tools, allows for enhanced access and support for maintenance actions on the milling drum, with the option to pivot the seat and angle the flap for optimal positioning and space utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a maintenance platform with storage compartment is provided in front of the access platform, then the operator can access tools and spare parts, but the machine's internal structure becomes obstructed and external dimensions increase
Solution Approach 1:
The maintenance flap is positioned on the underside of the machine frame, utilizing the vertical dimension below the main machine structure. This allows storage compartments and maintenance functions to be accessed from below rather than occupying horizontal space on top of the machine, effectively using unused three-dimensional space.
Solution Approach 2:
The maintenance flap is designed to be movable between a raised position (storing maintenance equipment) and a lowered position (providing access to the milling drum). This dynamic configuration allows the same structure to serve multiple functions at different times without permanently obstructing the machine's internal structure.
2Ease of repair
If the maintenance flap includes functional features like storage compartments and maintenance seat, then maintenance operations are supported, but the device complexity increases
Solution Approach 1:
The maintenance flap integrates multiple functions into a single component: it serves as a storage compartment for maintenance equipment, provides a maintenance seat for the operator, and acts as an access door to the milling drum. This multi-functionality consolidates what would otherwise require separate components, reducing overall device complexity while enhancing maintenance capabilities.
Solution Approach 2:
The patent combines the storage compartment, maintenance seat, and access door functions into a single integrated maintenance flap structure. By merging these elements, the design avoids the complexity of having separate platforms, storage units, and access mechanisms, while still providing all necessary maintenance functions.
3Ease of operation
If the maintenance flap is positioned on the underside of the machine frame, then access to milling drum is improved, but the maintenance equipment must be lowered below the machine
Solution Approach 1:
Positioning the maintenance flap on the underside of the machine frame utilizes the vertical space below the main machine structure. This allows maintenance equipment and the operator to access the milling drum from below, improving accessibility without requiring additional horizontal space or complex positioning mechanisms.
Data Source
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AI summary
A soil cultivation machine (10), such as a road milling machine (10), recycler, stabilizer, or surface miner, with a chassis (22) and a machine frame (12) supported by the chassis (22), has a working device (32) for soil cultivation. According to the invention, the soil cultivation machine (10) has a maintenance flap (52) on an underside (12a) of the machine frame (12) facing the ground on which the machine (10) stands. This maintenance flap is movable between a raised operational readiness position and a lowered maintenance position. On its inner side (52a), which faces away from the ground (U) in the operational readiness position, the maintenance flap has at least one functional feature (56, 58) to support maintenance operations.