Movable Operator Station for Work Machines
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Solution Overview
Problem
Operators of work machines face reduced operating efficiency and visibility challenges due to limited cab movement, which forces them to steer around obstructions on only one side, leading to increased time and effort in completing tasks, especially when the cab is mounted on one side and visibility is obstructed by the machine's design.
Innovation Solution
A movable operator station that can be positioned across the width of the work machine between two monitoring positions, utilizing guide rails and a compound linear actuator for smooth movement, allowing the operator to monitor both sides of the machine and maintain visibility of the work surface without leaving their seat.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the operator station is fixed on one side of the machine, then the structure is simple and stable, but the operator's visibility of the work surface on the other side is blocked
Solution Approach 1:
The operator station is made movable rather than fixed, allowing it to dynamically reposition between left and right sides of the machine. The cab can slide along guide rails and be positioned at different locations to provide the operator with visibility of the work surface on either side, eliminating the limitation of a fixed stationary cab.
Solution Approach 2:
The operator station moves along a lateral dimension (left-right direction) in addition to the traditional forward-backward positioning. This adds a new degree of freedom for positioning the cab, allowing the operator to shift laterally to improve visibility of different portions of the work surface without requiring complex vertical or rotational movements.
2Reliability
If the operator steers widely around obstructions to ensure the machine will not strike them, then equipment damage is prevented, but operating efficiency and work quality are reduced
Solution Approach 1:
The movable operator station provides the operator with direct visual feedback of the work surface and obstructions from optimal viewing positions. By positioning the cab laterally, the operator can see obstructions earlier and more clearly, enabling more precise steering decisions that protect equipment while maintaining tighter control over the machine path, thereby improving operating efficiency.
3Ease of manufacture
If the cab is mounted on one side of the machine, then the mounting structure is simplified, but the operator must turn and reverse the machine excessively to pass obstructions on the other side
Solution Approach 1:
Instead of a fixed cab mounting, the operator station is designed to move dynamically along the machine body. This allows the cab to be repositioned laterally to face obstructions directly, eliminating the need for time-consuming turns and reverses. The guide rail system provides a simple yet effective mounting structure that enables this dynamic repositioning.
Data Source
AI summary
A machine having a body defining a body width and a ground engaging apparatus greater than one half of the body width and defining first and second working lines of the machine oriented perpendicular to and bounding the working width. An operator station is mounted on the body and movable across the body width between a first work monitoring position associated with the first working line and a second work monitoring position associated with the second working line. A compound linear actuator is provided to move the operator station between the first and second positions.