Garbage-Collection Arm With Dual Masts and Synchronized Sliding
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Solution Overview
Problem
Existing mechanical arms for garbage collection suffer from efficiency, durability, and high maintenance issues due to inadequate design and high manufacturing costs.
Innovation Solution
A mechanical arm system with a dual mast structure, guiding wheels, and a driving link mechanism that allows simultaneous sliding movements to efficiently collect and empty garbage bins with minimal shock and jerk, incorporating a grabber assembly, vertical and horizontal displacement sections, and actuation mechanisms for smooth operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical arms are designed to withstand high number of cycles and heavy loads, then durability is improved, but manufacturing cost increases
Solution Approach 1:
The mechanical arm is divided into multiple independent sections (base section, intermediate section, arm section, bucket section) that can be manufactured separately and assembled. Each section is designed as a modular unit with standardized components, allowing for easier manufacturing and replacement while maintaining overall durability through robust joint connections.
Solution Approach 2:
The mechanical arm employs a telescopic structure where the arm section is nested within the intermediate section, and the bucket section is nested within the arm section. This nested design reduces the overall footprint when retracted while maintaining full extension capability, and allows each nested component to be optimized independently for strength and manufacturability.
2Productivity
If mechanical arms are designed for high performance in cycle time and versatility, then productivity is improved, but durability decreases due to insufficient strength
Solution Approach 1:
The mechanical arm incorporates variable speed control across different sections, allowing the base section to operate at higher speeds for rapid positioning while the arm and bucket sections operate at controlled speeds during lifting and dumping operations. This dynamic speed adjustment enables fast cycle times while preventing excessive stress on structural components.
Solution Approach 2:
The system uses adjustable operational parameters including speed, lifting height, and dumping angle that can be optimized for different garbage collection scenarios. The mechanical arm can switch between rapid transport mode (high speed, minimal lifting) and heavy duty mode (lower speed, full lifting capacity), allowing high productivity in routine operations while maintaining durability through parameter optimization.
3Ease of operation
If mechanical arms perform automated collection and dumping operations, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The mechanical arm is designed as a multi-functional system that can perform multiple operations including garbage bin collection, lifting, tilting, and dumping using a single integrated mechanism. The same hydraulic system and control unit manage all sections, reducing the need for separate specialized mechanisms and simplifying overall system complexity while maintaining automated operational capability.
Data Source
AI summary
The mechanical arm system can include a garbage container holder and at least one mast. The holder can have guiding wheels engaged with adjacent tracks of the mast, the two adjacent tracks both having a lower portion extending upwardly along the mast, the lower portion of the first track being located forwardly of the lower portion of the second track, the lower portion of both tracks leading into corresponding upper portions which are curved rearwardly. The system can have a primary mast and a secondary mast slidably mounted to the primary mast, with the garbage container slidable mounted to the secondary mast. A driving link can simultaneously connect the primary mast to the secondary mast, and the secondary mast to the holder in a manner that when the driving link is moved, both sliding movements are performed in the same direction.