Forklift Manipulation Device for Railway Container Transfer
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Solution Overview
Problem
The existing roll-off container transport systems are inefficient for short-distance transportation without the use of trucks, as they require expensive truck operations for loading and unloading near transhipment points.
Innovation Solution
A combination of a forklift truck with a manipulation device featuring a rotating fork tines carrier, adjustable in height, and a support part with a coupling device for detachable container attachment, allowing for easy unloading and positioning of containers from railway wagons onto the forklift truck.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a forklift truck with a rotating device and manipulation device is used, then containers can be directly transferred from railway wagons to forklift trucks enabling short-distance transport without trucks, but the device complexity increases
Solution Approach 1:
The patent combines a forklift truck with a rotating device and a manipulation device into an integrated system. The rotating device merges the functions of positioning and rotation, while the manipulation device integrates coupling and uncoupling operations. This merging allows the forklift to directly handle containers from railway wagons without requiring separate truck operations, thereby enabling short-distance transport capability despite increased device complexity.
Solution Approach 2:
The forklift truck is equipped with a multi-functional manipulation device that can perform multiple operations: coupling to containers, uncoupling from containers, rotating containers, and positioning containers on railway wagons. The rotating device provides universal positioning capability for different container orientations. This multi-functionality allows a single device to replace multiple specialized equipment (truck, crane, rotator), achieving versatility in short-distance container transport.
2Stability of the object's composition
If the manipulation device has an elongated support part with coupling device at the tip, then the container placement area becomes sufficiently large for stable positioning, but the device complexity increases
Solution Approach 1:
The manipulation device features an elongated support part that extends beyond the basic forklift structure, creating an extended placement area. The coupling device is positioned at the tip of this elongated support, utilizing the extended dimension to provide a larger container placement area. This dimensional extension allows stable container positioning without requiring complex stabilization mechanisms, as the extended structure naturally provides a broader base for container placement.
3Adaptability or versatility
If the support part is provided with a carriage and guide part for longitudinally displaceable fork shafts, then the fork shafts can be positioned centered relative to different container dimensions, but the device complexity increases
Solution Approach 1:
The support part incorporates a carriage and guide part that allow the fork shafts to be longitudinally displaced and repositioned. This dynamic adjustment mechanism enables the fork shafts to be centered relative to containers of different dimensions. The carriage system provides movable positioning capability, allowing operators to adjust the fork shaft location along the elongated support part to match various container widths, thereby achieving adaptability without requiring multiple fixed-configuration devices.
Data Source
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AI summary
The device has a forklift with a manipulation device (1) and comprising a carrier with a fork rake that is rotatably arranged at a rotation device at an axis running parallel to the fork rake. The rotation device is arranged at a lifting device of the forklift in a height adjustable manner. The manipulation device has a carrier part (25) with a container adjusting surface and a fork shaft (8) for insertion of the fork rake and a support (6). The support is provided with a coupling device for detachable coupling of containers.