Modular Dam Gate Hoist With Adjustable Drums
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Solution Overview
Problem
Existing dam gate hoists require customization for specific dam dimensions and configurations, leading to long design and construction times, high costs, and potential safety issues due to the need for custom fabrication and slow emergency replacement.
Innovation Solution
A modular and configurable dam gate hoist system with pre-manufactured components, including adjustable hoist drums and a modular design that allows for various lengths and configurations, enabling quick assembly and adaptation to different dam gate dimensions and weights.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If custom-fitted hoists are designed for each specific dam, then the hoist can be precisely matched to the dam gate dimensions and configuration, but the design and construction time increases significantly
Solution Approach 1:
The hoist is divided into modular components including a motor assembly, drive shaft, drums, and support structures that can be independently manufactured and then assembled. This segmentation allows standardization of individual modules while enabling customization through different assembly configurations for different dam gate requirements.
Solution Approach 2:
The patent creates a universal hoist design with standardized components that can serve multiple dam gate configurations. The modular architecture allows the same basic hoist platform to be adapted for various gate widths, weights, and operational requirements through interchangeable parts and adjustable parameters, eliminating the need for complete custom design for each installation.
2Adaptability or versatility
If custom-fitted hoists are designed for each specific dam, then the hoist can be precisely matched to the dam gate dimensions and configuration, but the manufacturing and installation costs increase
Solution Approach 1:
By segmenting the hoist into standardized modules, the patent enables mass production of individual components using automated manufacturing processes. This reduces per-unit costs through economies of scale while maintaining the ability to customize final configurations by assembling different combinations of standard parts.
Solution Approach 2:
The patent utilizes adjustable parameters within the modular design such as drum diameters, shaft lengths, and motor powers that can be modified through simple component selection rather than complete redesign. This allows adaptation to different dam gate requirements while maintaining cost efficiency through standardized manufacturing of base components.
3Reliability
If custom-fitted hoists are designed for each specific dam, then the hoist can be precisely matched to the dam gate dimensions and configuration, but the lead-time for replacement in emergency situations increases
Solution Approach 1:
The modular architecture allows failed components to be quickly identified and replaced independently without requiring complete disassembly or custom fabrication. Standardized interfaces and connections enable rapid swap-out of modules, significantly reducing emergency replacement time while maintaining system reliability.
Solution Approach 2:
The patent design allows pre-manufacturing and stockpiling of standardized hoist modules and components. In emergency situations, pre-fabricated modules can be immediately deployed and installed without waiting for custom design and fabrication, ensuring rapid restoration of dam gate operations.
4Productivity
If modular components are used, then the assembly time and cost are reduced, but the complexity of ensuring precise alignment and configuration increases
Solution Approach 1:
The patent incorporates built-in alignment features and standardized mounting interfaces at critical locations throughout the modular components. These localized quality controls ensure precise alignment during assembly without requiring complex external alignment procedures, maintaining assembly speed while managing configuration complexity.
Data Source
AI summary
A configurable modular dam gate hoist system is disclosed. The dam gate hoist system includes a first hoist support frame, second hoist support frame, first side segment with a first adjustable hoist drum, second side segment with a second adjustable hoist drum, a hoist drive assembly, and optionally a middle segment. The middle segment, when utilized, is constructed of pre-made components with set lengths in the factory, with the length of the middle segment being varied by using components with different set lengths. Both the first and second side segments include an adjustment slot or keyway that receives adjustment bolts (preferably including standard square keys) of the first and second adjustable hoist drum to allow the position of the drums to be adjusted and secured in the desired location on the tube to correspond with the desired fleet angle of the gate chain, cable, or wire rope.