Chimney Demolition Vehicle With Balanced Hydraulic Motors
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Solution Overview
Problem
Existing demolition methods for structures like chimneys, cooling towers, and silos face challenges in achieving cost-effective and safe demolition while maintaining structural integrity and safety, particularly when explosive techniques are not feasible due to regulatory constraints.
Innovation Solution
A demolition apparatus with a main chassis, pivotally connected front and rear arms, and an excavator assembly, featuring balanced hydraulic motors and cylinders for synchronized movement and adjustable boom sections, allowing for controlled and balanced rotation and extension/retraction, enabling safe and efficient demolition from the top down.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If explosive demolition techniques are used, then demolition speed and efficiency are improved, but safety and regulatory compliance deteriorate due to proximity of adjacent structures
Solution Approach 1:
The patent replaces explosive demolition techniques with a mechanical demolition system featuring a main chassis, pivotally connected arms, and controlled wheel assemblies that mechanically dismantle chimney structures section by section, eliminating the need for explosives while maintaining safety around adjacent structures
Solution Approach 2:
The demolition apparatus divides the chimney structure into manageable sections through its multi-component mechanical system, including front arms, rear telescoping arms, and adjustable boom sections, allowing controlled removal of material in segments rather than through explosive destruction
2Strength
If traditional demolition apparatus are used, then structural demolition capability is improved, but device complexity and cost-effectiveness deteriorate
Solution Approach 1:
The patent designs a universal demolition apparatus that can handle various chimney and silo structures through its adjustable components, including length-adjustable front arms, telescoping rear arms, and variable boom sections, allowing one machine to perform multiple demolition tasks across different structure types
Solution Approach 2:
The system incorporates dynamically adjustable components such as length-adjustable front arms, telescoping rear arms, and variable boom sections that can be reconfigured for different demolition scenarios, providing adaptability without requiring multiple specialized machines
3Ease of operation
If multiple independent hydraulic systems are used, then operational flexibility is improved, but system stability and synchronized movement deteriorate
Solution Approach 1:
The patent merges multiple hydraulic systems into a unified balanced hydraulic system where the first, second, and third hydraulic motors are fluidly connected, allowing coordinated control of all wheel assemblies through a single hydraulic pressure source that maintains synchronized movement across the entire apparatus
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
The apparatus ensures stable and controlled demolition by maintaining a common speed of rotation among wheel assemblies and balanced hydraulic systems, enhancing safety and performance by allowing precise movement and load distribution, thus overcoming the limitations of traditional methods.
Implementation Method 1
the first, second and third hydraulic motors are balanced by fluid communication between the first, second and third hydraulic motors
Implementation Method 2
the first and second hydraulic cylinders are balanced and adapted to selectably extend and retract according to the smaller of the first and second resistances at a time when a pressure change is directed to the first and second cylinders
Data Source
AI summary
A demolition apparatus including a main chassis, first and second front arms pivotally connected to the main chassis and comprising first and second wheel assemblies, respectively, a rear telescoping arm fixedly connected to the main chassis and comprising a third wheel assembly, first, second and third boom sections and a telescoping catwalk assembly, the first and second boom sections interconnected by a first hydraulic cylinder and the second and third boom sections interconnected by a second hydraulic cylinder, the first and second hydraulic cylinders comprising first and second resistances to movement, respectively, and, an excavator assembly pivotally connected to the main chassis, wherein the first, second and third wheel assemblies comprise first, second and third hydraulic motors, respectively, the first, second and third hydraulic motors are balanced and adapted to rotate the first, second and third wheel assemblies at a common speed, the first and second hydraulic cylinders are balanced and adapted to selectably extend and retract according to the smaller of the first and second resistances at a time when a pressure change is directed to the first and second cylinders.