Telescopic Ladder System for Van Roof Access Safety
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Solution Overview
Problem
Existing solutions for securing operators on vehicles, such as vans, are either hazardous or excessively expensive, particularly for smaller fleets, as they require specific van designs or costly scraper systems.
Innovation Solution
A telescopic ladder system with a lower base connected to the vehicle, a pivotable and extendable ladder with safety lines and a security railing, and a method for securing operators using safety lines and a harness, allowing safe access and operation on vehicles without the need for expensive infrastructure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional ladder is used to climb atop the van, then the operator can access the roof for maintenance, but the ladder presents safety hazards if not solidly anchored and requires specific van design features
Solution Approach 1:
The ladder system transitions from a static, fixed-structure requirement to a dynamic, adaptable system. The telescopic ladder sections can extend and retract, and the entire assembly can be positioned at various angles and locations along the van, eliminating the need for fixed anchoring points while maintaining safety through controlled movement and stable deployment configurations
Solution Approach 2:
The ladder system is designed to work with various van types without requiring specific design features. The telescopic sections and adjustable positioning mechanisms allow the same ladder system to adapt to different van widths, heights, and configurations, making it universally applicable across the fleet rather than requiring van-specific modifications
2Reliability
If a scraper system is used to clear snow from van roofs, then operator safety is improved by eliminating the need to climb, but the system becomes excessively expensive for smaller fleets
Solution Approach 1:
The ladder system enables operators to safely service the vans themselves without requiring expensive automated scraper systems. By providing a safe, controlled access method with proper anchoring and safety rails, operators can perform roof maintenance and snow clearance manually, eliminating the need for costly fleet-wide automation infrastructure
Solution Approach 2:
The telescopic ladder system represents a cost-effective, temporary solution compared to permanent scraper system installations. The ladder can be deployed only when roof access is needed, stored when not in use, and provides safe access without the ongoing operational costs and capital investment required for automated scraper systems
3Ease of operation
If existing ladder systems are used, then operators can access vehicle roofs, but the systems require specific van design features and proper anchoring infrastructure
Solution Approach 1:
The ladder system transitions from a static, fixed-structure requirement to a dynamic, adaptable system. The telescopic ladder sections can extend and retract, and the entire assembly can be positioned at various angles and locations along the van, eliminating the need for fixed anchoring points while maintaining safety through controlled movement and stable deployment configurations
Solution Approach 2:
The ladder system is designed to work with various van types without requiring specific design features. The telescopic sections and adjustable positioning mechanisms allow the same ladder system to adapt to different van widths, heights, and configurations, making it universally applicable across the fleet rather than requiring van-specific modifications
Data Source
AI summary
A telescopic ladder system includes a lower base configured to be connected to a ladder-supporting portion of a vehicle, and a ladder including a base section and a fly section operatively connected to the base section and slidable relative thereto. A security railing is connected to a distal end of the fly section. At least one safety line is attached to the ladder. A first actuator selectively sets an inclination angle of the ladder relative to the lower base. A second actuator selectively extends the ladder by sliding the fly section relative to the base section. A safety system and a method for securing an operator atop a vehicle or van are also disclosed.