Remote Dismantling Robot With Quick-Change Tools for Nuclear Decommissioning
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Solution Overview
Problem
Existing automated equipment for nuclear facility decommissioning faces issues of poor accessibility, low efficiency, and poor adaptability in complex and highly radioactive environments, lacking specific design for nuclear facility decommissioning.
Innovation Solution
A remote-controlled dismantling robot equipped with a tracked chassis, hydraulic arm, quick change mechanism for tool heads, and hydraulic system, allowing for precise tool attachment and detachment under human remote control, enhancing accessibility and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If automated equipment is used for nuclear facility decommissioning, then operator safety is improved by reducing exposure to radioactive environments, but the equipment suffers from poor accessibility, low efficiency, and poor adaptability in complex working planes
Solution Approach 1:
The robot employs a multi-stage hinge arm mechanism with multiple degrees of freedom that can dynamically adjust its configuration to adapt to complex working planes and confined spaces in nuclear facilities, transforming the rigid structure into a flexible system capable of reaching difficult-to-access areas
Solution Approach 2:
The hydraulic arm is divided into multiple stages with individual hinge joints, allowing each segment to be independently controlled and positioned. This segmentation enables the arm to navigate complex geometries and access restricted areas that a single rigid structure could not reach
2Extent of automation
If existing automated equipment is used, then some level of automation is achieved, but the equipment lacks specific design for nuclear facility decommissioning resulting in poor adaptability
Solution Approach 1:
The robot is equipped with a quick change mechanism that allows interchangeable tool heads to be rapidly attached and detached, enabling a single platform to perform multiple dismantling operations including cutting, grinding, and drilling, thus achieving both high automation and broad adaptability
Solution Approach 2:
The system allows dynamic changes in operational parameters through the quick change mechanism, where different tool heads can be selected based on the specific task requirements, enabling the same robotic platform to adapt to various dismantling scenarios by changing its end-effectors
3Adaptability or versatility
If complex tool changes are required during dismantling operations, then operational flexibility is improved, but time is lost during tool attachment and detachment
Solution Approach 1:
Multiple tool heads are pre-prepared and can be quickly exchanged using the quick change mechanism, which includes pre-positioned mounting interfaces and alignment features that enable rapid tool attachment and detachment without requiring complex manual assembly procedures
Solution Approach 2:
The quick change mechanism extracts the time-consuming aspect of tool changes by providing a dedicated, simplified interface for rapid tool attachment and detachment, separating the tool change function from the main dismantling operation and enabling it to be performed quickly and efficiently
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 robot reduces operator exposure time and radiation dose by enabling efficient dismantling of nuclear facilities remotely, improving accessibility and adaptability in challenging environments.
Implementation Method 1
a tracked chassis, a hydraulic arm, a hydraulic system, and a quick change mechanism for hydraulic tool head
Implementation Method 2
the rotating mechanism includes a rotating support mounted on an upper part of the vehicle chassis and capable of rotating
Implementation Method 3
the hydraulic arm is mounted on the rotating mechanism, and includes a multi-stage hinge arm and arm oil cylinder
Data Source
AI summary
Disclosed are a remote-controlled dismantling robot and dismantling method for nuclear facility decommissioning, relating to the technical field of nuclear facility decommissioning. The robot includes a tracked chassis, a hydraulic arm, a hydraulic system, and a quick change mechanism for hydraulic tool head, where the tracked chassis includes a vehicle chassis, a rotating mechanism, track systems, and support leg systems; and the hydraulic arm includes a multi-stage hinged arm and arm oil cylinder. The robot can dismantle to-be-decommissioned nuclear facilities under human remote control, which can decrease the radiation dose to the operators.