Rail Grinding Machine Quick-Change Device for Interchangeable Units
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Solution Overview
Problem
Existing rail grinding machines lack simplicity, precision, reliability, and user-friendliness in profiling and deburring rail tracks, as they require complex operations and are not designed for easy interchangeability of grinding units.
Innovation Solution
A rail grinding machine with a quick-change device that allows interchangeable mounting of grinding units on both sides of the cross slide, using a combination of form-fitting and friction-locking quick-change elements and actuating mechanisms for easy attachment and detachment of grinding units, ensuring stable and precise operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If grinding units are fixed on the cross slide, then the structural stability is improved, but the adaptability and ease of interchangeability deteriorate
Solution Approach 1:
The grinding unit is divided into separable components that can be independently exchanged. The quick-change device divides the connection system into male and female coupling elements, allowing the grinding unit to be segmented and replaced without moving the entire machine structure, thus maintaining stability while enabling adaptability.
Solution Approach 2:
The connection system transitions from a static fixed state to a dynamic interchangeable state through the quick-change device. The actuating element enables the connection to switch between locked and released states, allowing the grinding unit to be dynamically exchanged while the machine frame remains stable during operation.
2Reliability
If a complex fastening system is used to secure grinding units, then the reliability of attachment is improved, but the ease of operation and speed of replacement deteriorate
Solution Approach 1:
The fastening and release functions are extracted into a dedicated quick-change device with actuating elements. This separate mechanism simplifies the operation by providing dedicated controls for securing and releasing the grinding unit, making the process reliable yet easy to operate without requiring complex manual procedures.
Solution Approach 2:
The quick-change device with form-fitting elements and actuating mechanisms enables operators to quickly secure and release grinding units through simple actions. The self-aligning features and lever-operated clamping reduce the skill and time required for replacement while maintaining secure attachment during grinding operations.
3Device complexity
If grinding units are mounted on one side only, then the device complexity is reduced, but the balance and stability during grinding operations deteriorate
Solution Approach 1:
While the cross slide structure itself remains symmetric, the mounting approach uses asymmetric positioning of the quick-change elements on the grinding unit. This allows the grinding unit to be securely attached with proper balance and stability while keeping the mounting mechanism relatively simple and not requiring complex bilateral structures.
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
Enables simple, precise, reliable, and user-friendly profiling and deburring of rail tracks by allowing easy exchange and positioning of grinding units, distributing grinding forces evenly and reducing wear on the machine, thus enhancing operational comfort and efficiency.
Implementation Method 1
The quick-change device comprises first quick-change elements and associated second quick-change elements, which can be reversibly connected to one another in a form-fitting and/or friction-locking manner
Data Source
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AI summary
A rail grinding machine (1) for grinding rails (2) of a track comprises a machine frame (3), several guide rollers (4) rotatably mounted on the machine frame (3), a cross slide (13), and at least one grinding unit (61) which is interchangeably arranged on the cross slide (13). Furthermore, there is also a method for grinding rails of a track.