Plow Guide Assembly Service Clearance for Maintenance
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Solution Overview
Problem
The maintenance of mining plows in underground coal mining operations is inefficient due to the time-consuming process of replacing worn bottom guide members, which requires disassembling multiple plow guide troughs to access and replace each member, leading to reduced operational efficiency during maintenance.
Innovation Solution
A plow guide assembly with a service clearance and a removable insert element that allows for the replacement of bottom guide members without disassembling the entire plow guide trough, enabling access to all members through a single service clearance, facilitated by a supporting device with protrusions and recesses for secure positioning and alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple plow guide troughs are disassembled to replace worn bottom guide members, then complete maintenance of all guide members is achieved, but maintenance time and operational downtime increase significantly
Solution Approach 1:
The plow guide assembly is segmented into a base member and a removable insert element. The insert element contains the bottom guide members and can be independently removed from the base member, allowing maintenance workers to access and replace worn guide members without disassembling the entire plow guide trough structure. This segmentation enables complete maintenance of all bottom guide members through a single access point.
Solution Approach 2:
The insert element is extracted as a separate removable component from the base member. By taking out the insert element containing the bottom guide members, maintenance workers can directly access and replace worn guide members without having to disassemble multiple plow guide troughs. This extraction principle reduces maintenance downtime while ensuring complete maintenance of all guide members.
2Stability of the object's composition
If the plow guide trough structure is made robust and fixed, then structural stability and guiding precision are maintained, but accessibility for maintenance of bottom guide members becomes difficult
Solution Approach 1:
The plow guide assembly is divided into a stable base member and a removable insert element. The base member maintains structural stability and supports the top guide rail, while the insert element containing the bottom guide members can be independently removed for maintenance. This segmentation allows the overall structure to remain stable during operation while providing easy access to bottom guide members when needed.
Solution Approach 2:
The insert element is designed to be dynamically removable and reattachable to the base member. During normal operation, the insert element remains fixed to maintain structural stability. During maintenance, the insert element can be quickly removed and reattached, providing ease of repair without compromising the structural integrity of the overall plow guide assembly.
3Productivity
If all bottom guide members are accessible through a single service clearance, then maintenance efficiency is improved, but the plow guide assembly structure becomes more complex
Solution Approach 1:
The plow guide assembly is segmented into a base member and an insert element, where the insert element consolidates multiple bottom guide members into a single removable unit. This segmentation allows all bottom guide members to be accessed through a single service clearance by removing just the insert element, significantly improving maintenance efficiency. The added structural complexity is minimal and localized to the insert-base interface.
Solution Approach 2:
Multiple bottom guide members are merged into a single removable insert element. By combining several guide members into one integrated component that can be removed as a unit, the design enables access to all bottom guide members through a single service clearance. This merging approach improves maintenance efficiency while adding only minimal complexity to the overall assembly structure.
Data Source
AI summary
The present disclosure relates to a plow guide assembly for guiding a mining plow. The plow guide assembly may comprise a base member including a first guide beam for guideing the mining plow and extending along a first axis, and a second guide beam spaced apart the first guide beam for defining a service clearance therebetween, and extending along a second axis axially aligned to the first axis. The plow guide assembly may further comprise an insert element insertable into the service clearance and having a third guide beam extending along a third axis. In an assembled state of the insert element, the third axis is axially aligned to the first and second axes.