Milling Unit Mounting via Extracted Fasteners and Lift Columns
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Solution Overview
Problem
Current center rotor type milling machines face challenges in rapidly and simply dismounting and mounting milling units due to inaccessible fastening screws, requiring significant force and time, especially in constricted spaces, which hinders efficient transport and milling unit changes.
Innovation Solution
A method involving the use of height-adjustable lifting columns to position the milling unit for easy access and alignment with a transport unit, allowing for rapid dismounting and mounting by extending the lifting columns into exchange and transport adjustment positions, enabling efficient transport and reducing the time required for exchanging milling units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If massive fastening screws are used to connect the milling drum box to the machine frame, then the milling unit can be securely fastened, but the fastening screws become hardly accessible and require great force for mounting and dismounting
Solution Approach 1:
The fastening screws are extracted from the milling drum box and transferred to the machine frame. This allows the screws to be accessible from the outside of the milling unit, enabling easy mounting and dismounting without requiring access to the interior of the milling drum box. The machine frame serves as the fastening element instead of the milling drum box.
Solution Approach 2:
The machine frame acts as an intermediary element between the milling unit and the ground. By positioning the fastening screws on the machine frame rather than on the milling drum box, the system creates an intermediate access point that allows operators to easily reach and manipulate the fastening screws from the outside.
2Strength
If massive fastening screws are used to connect the milling unit, then secure fastening is achieved, but great force must be applied for mounting and dismounting which is challenging in constricted spaces
Solution Approach 1:
The fastening screws are extracted from the milling drum box and transferred to the machine frame. This repositioning allows for the use of accessible fastening mechanisms that require minimal force to operate, while still achieving secure fastening of the milling unit to the machine frame.
3Stability of the object's composition
If the milling unit is securely fastened to the machine frame, then stability during operation is ensured, but time expenditure for mounting and dismounting becomes comparatively high
Solution Approach 1:
By extracting the fastening screws from the milling drum box and placing them on the machine frame, the system enables rapid attachment and detachment of the milling unit. The accessible position of the screws allows for quick fastening and unfastening operations while maintaining secure connection during operation.
Solution Approach 2:
The machine frame is pre-configured with fastening elements positioned for easy access. This preliminary arrangement of fastening components allows operators to quickly mount and dismount milling units without time-consuming search or complex manipulation, thereby reducing the time expenditure for these operations.
4Weight of moving object
If the milling unit is designed as a demountable entirety, then transport weight can be reduced, but working time for dismounting and mounting increases
Solution Approach 1:
The fastening screws are extracted from the milling drum box and repositioned on the machine frame. This design modification allows the milling unit to be easily detached for transport while minimizing the time required for attachment and detachment operations, thus balancing weight reduction benefits with operational efficiency.
Data Source
AI summary
The present invention relates to methods for dismounting and mounting a milling unit of a center rotor type milling machine, to center rotor type milling machines comprising a mountable and dismountable milling unit, as well as to a transport unit.