Dock Leveler Rolling Cover Mechanism for Pit Adaptation
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Solution Overview
Problem
Conventional dock levelers are expensive to design, manufacture, and install due to their specific pit structure requirements, limiting flexibility and increasing costs, especially when adapting to existing docking stations.
Innovation Solution
A dock leveler with a rolling cover mechanism that extends and retracts, allowing for adjustable dimensions and easy installation, using lightweight materials and a rack and pinion mechanism for precise movement, along with guiding elements and a sealing lip for improved functionality and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional dock levelers are designed with specific pit structure requirements, then structural stability and load-bearing capacity are improved, but device complexity and installation cost increase
Solution Approach 1:
The dock leveler is divided into modular components: a platform with platform cover, a separate cover drive mechanism, and interchangeable cover elements. This segmentation allows the leveler to be installed in various pit structures without requiring complete redesign, reducing device complexity while maintaining structural integrity through standardized connection points.
Solution Approach 2:
The platform cover is designed to be movable rather than fixed, capable of extending and retracting along the longitudinal axis. This dynamic design allows adaptation to different pit depths and configurations, reducing the need for complex custom-designed structures while maintaining load-bearing capacity through controlled movement mechanisms.
2Stability of the object's composition
If conventional dock levelers are designed for specific pit structures, then structural stability is improved, but adaptability to different docking stations deteriorates
Solution Approach 1:
The dock leveler is designed as a universal platform with standardized dimensions and connection points that can be adapted to various pit structures. The movable platform cover and interchangeable cover elements allow the same basic design to serve multiple docking station configurations, maintaining structural stability through standardized mounting while achieving versatility across different applications.
Solution Approach 2:
The platform cover's position and extension length can be varied to accommodate different pit depths and docking station configurations. By changing the operational parameters of the cover movement rather than redesigning the entire structure, the leveler maintains structural stability while adapting to diverse installation environments.
3Length of moving object
If plates slide over each other to extend the platform, then extension capability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The platform cover is designed as a movable unit that extends and retracts along the longitudinal axis of the platform, replacing the conventional sliding plate mechanism. This dynamic cover movement achieves the same extension capability with fewer components, reducing device complexity and manufacturing cost while maintaining the ability to adapt to different truck positions.
4Ease of operation
If a rolling cover mechanism is used for extension, then ease of operation and adaptability are improved, but manufacturing precision requirements increase
Solution Approach 1:
The cover drive mechanism replaces manual operation with an automated mechanical system, likely using a rack and pinion or similar drive mechanism. This substitution improves ease of operation by automating the extension and retraction process, while the standardized mechanical components help control manufacturing precision requirements through proven design patterns and tolerance specifications.
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 dock leveler provides a flexible, cost-effective solution that can be easily adapted to various docking station dimensions, reducing installation costs and enhancing operational efficiency with improved load handling and sealing capabilities.
Implementation Method 1
In a presently preferred embodiment, the cover drive comprises a rack and pinion mechanism.
Implementation Method 2
the cover elements comprise a light-weight material. By providing the cover elements from a light-weight material, in a presently preferred embodiment aluminum, the dock leveler, and particularly its platform, is of a relatively light-weight structure.
Implementation Method 3
For example, the lifting means may include a hydraulic, electric or pneumatic cylinder.
Implementation Method 4
For example, the lifting means may include a hydraulic, electric or pneumatic cylinder.
Data Source
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AI summary
A dock leveller (16) for a docking station (4), a docking station and distribution center (2) provided with such dock leveller, and a method therefor are related to the invention. The dock leveller according to the invention comprises: - a frame (32); - a platform (38) that at one end is hingedly connected tot the frame; - lifting means (42) connected to the platform for upward pivoting of the platform, wherein the platform comprises a rolling cover (38) with cover elements (38) and a cover drive (76).