Axle Spindle Replacement Assembly for On-Site Heavy Vehicle Repair
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Solution Overview
Problem
The repair of axle spindles in large vehicles is time-consuming and costly due to the need for transporting equipment to remote locations, as existing methods require extensive disassembly and reassembly processes.
Innovation Solution
An apparatus and method that involves severing the damaged spindle, welding a bushing to the axle tube, and using an adapter assembly with a spindle and flange part to mount the hub and spider plate, allowing for efficient replacement and reassembly without the need for extensive equipment transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional spindle repair methods are used involving extensive disassembly and reassembly, then the repair can be performed with standard equipment, but the repair time and equipment transport requirements increase significantly
Solution Approach 1:
The repair apparatus is divided into separate functional modules: a spider plate portion that attaches to the brake mount, and a spindle portion that replaces the damaged spindle. This segmentation allows each component to be independently prepared and installed, reducing overall repair time and equipment requirements.
Solution Approach 2:
The spider plate portion acts as an intermediary component that remains attached to the brake mount while facilitating the replacement of the spindle portion. This intermediary approach eliminates the need for complete disassembly and reassembly of the wheel assembly, significantly reducing repair time.
2Ease of manufacture
If traditional spindle repair methods are used, then standard repair procedures can be followed, but equipment transport to remote locations becomes necessary and costly
Solution Approach 1:
The repair system is segmented into a stationary spider plate portion that remains on the vehicle and a movable spindle portion that can be independently transported and installed. This reduces the overall equipment that needs to be transported to remote locations.
Solution Approach 2:
The spider plate portion is designed to be pre-installed or easily attachable to the brake mount, allowing the repair to be performed with minimal external equipment. The apparatus essentially serves itself by utilizing existing vehicle components (brake mount, hub) to facilitate the repair process.
3Reliability
If the damaged spindle is severed and replaced traditionally, then the replacement spindle can be welded in place, but the fixture removal and component reinstallation adds significant time
Solution Approach 1:
The spider plate portion is prepared in advance and attached to the brake mount before the spindle replacement. This preliminary action eliminates the need for fixture installation and removal during the actual spindle replacement, significantly improving repair efficiency while maintaining welding reliability.
Solution Approach 2:
The spider plate and spindle replacement operations are merged into a single integrated process. The spider plate portion serves both as a mounting fixture and as a permanent structural component, eliminating the need for separate fixture installation and removal steps.
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
This approach reduces the time and cost associated with spindle repair by enabling on-site replacement with a simplified and efficient method, minimizing the need for extensive equipment transport and facilitating quicker restoration of roadworthiness.
Implementation Method 1
the adapter part can be heated to receive the bushing
Implementation Method 2
welding the bushing to the axle tube
Data Source
AI summary
The apparatus is for use with a mechanism of the type which, when manufactured, has an axle tube terminating in a brake mount, a spindle extending from the brake mount, a spider plate mounted to the brake mount in surrounding relation to the spindle, a hub mounted to the spindle and a wheel mounted to the hub. The apparatus is adapted to receive the hub in the manner of the spindle, adapted to be mounted to the brake mount and adapted to capture the spider plate against the brake mount.