Two-Part Spacer Disc for Fast Pick-Arm Replacement
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Solution Overview
Problem
The existing spacers for complete pick arms in tamping machines wear out and require labor-intensive replacement, necessitating the removal and reattachment of the entire pick arm assembly.
Innovation Solution
A two-part spacer design with screws inserted through holes, allowing for easy disassembly and replacement without unscrewing the entire pick arm, featuring an outer diameter matching the pick arm and an inner diameter adapted to the axial bolt for centering, with optional threaded holes, lubrication channels, and distributors for even lubricant distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the entire pick arm assembly is removed for spacer replacement, then the spacers can be replaced, but the replacement process becomes labor-intensive and time-consuming
Solution Approach 1:
The spacer is divided into two separate parts (first spacer part and second spacer part) that can be independently removed and replaced. This segmentation allows the spacer components to be exchanged without removing the entire pick arm assembly, significantly reducing replacement time and labor requirements while maintaining the functional integrity of the complete pick arm
Solution Approach 2:
The spacer parts are extracted as separate removable components from the pick arm assembly. The first and second spacer parts can be individually taken out by loosening the axial bolt, allowing replacement without disassembling the entire assembly. This extraction principle enables maintenance of the spacer while preserving the integrated structure of the pick arm complete
2Ease of repair
If the entire pick arm assembly is removed for spacer replacement, then the spacers can be replaced, but the process becomes complex and labor-intensive
Solution Approach 1:
By segmenting the spacer into two independent parts that can be separately installed and removed, the complexity of the replacement process is reduced. Each spacer part can be independently handled, allowing simple sequential operations rather than complex simultaneous manipulation of the entire assembly
Solution Approach 2:
The spacer parts are extracted as independent replaceable elements from the pick arm complete. This extraction allows the spacer replacement to be performed as a simple component swap operation, minimizing the complexity of the repair process while maintaining the integrated functionality of the complete pick arm assembly
3Reliability
If new spacers are inserted into the pick arm bolt, then wear is restored, but complete disassembly is required which increases cost
Solution Approach 1:
The spacer is segmented into two affordable, simple-to-manufacture parts that can be independently replaced. This segmentation reduces the cost of replacement components and labor, making the restoration of wear resistance more cost-effective compared to replacing the entire assembly or requiring complex disassembly procedures
Solution Approach 2:
The spacer parts are extracted as separate, economically replaceable components. This extraction enables cost-effective replacement of only the worn spacer elements rather than the entire pick arm assembly, reducing maintenance costs while restoring the wear resistance required for reliable operation
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
Facilitates quick and cost-efficient spacer replacement, extending service life and simplifying installation and production with symmetric design and low-wear metal materials like GC-CuSn12Ni, ensuring continuous operation without complete pick arm disassembly.
Implementation Method 1
The movable spacer can be lubricated through the lubrication channel, thereby increasing its service life. The lubricant is evenly distributed through the lubrication channel.
Data Source
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AI summary
Spacer (1) for a complete pick-arm, wherein the spacer (1) has a front (1a) and a back (1b), is made in two parts, wherein the cutting plane is normal to the plane of rotation, and has two holes (3a, 3b) arranged in the plane of rotation, and the two parts can be connected by screws which can be inserted through the holes (3a, 3b).