Vertical Winding Device for Mobile Net Barriers
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Solution Overview
Problem
Existing mobile barrier devices for securing areas are expensive, immobile, and costly to manufacture, lacking simplicity and mobility in their design.
Innovation Solution
A device comprising a drive element, a vertically arranged shaft, and a horizontally arranged plate element with structural features like curved or angular rib elements, allowing for vertical rolling up and down of net-like or band-like mobile barrier devices, using a detachable and adjustable design for easy use and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mobile barrier devices use permanently installed posts or complex fencing systems, then the barrier is secure and stable, but the device becomes immobile and expensive to manufacture
Solution Approach 1:
The device is divided into separate functional components: a shaft for winding the barrier, a plate element with structuring for ground engagement, and a detachable connection system. This segmentation allows each component to be optimized independently while maintaining overall simplicity and mobility.
Solution Approach 2:
The device transitions from a static, permanently installed barrier system to a dynamic, mobile system. The shaft can be rotated to wind and unwind the barrier, and the entire device can be relocated as needed, providing both stability during use and mobility between locations.
2Device complexity
If mobile barrier devices are designed to be simple and mobile, then the device is easy to manufacture and relocate, but the barrier stability and security are reduced
Solution Approach 1:
The plate element features local structuring (ribs or protrusions) that concentrate engagement force at specific points with the ground or installation surface. This localized quality enhancement provides stable support and reliable barrier fixation without requiring complex overall device structure.
Solution Approach 2:
The device combines different materials with complementary properties: the shaft provides rotational mechanics, the plate element provides ground engagement stability, and the barrier material itself provides the primary containment function. This composite approach achieves reliability through material and functional diversity rather than structural complexity.
3Manufacturing precision
If the barrier device uses a structured plate element with rib elements, then the winding is uniform and orderly, but the manufacturing complexity increases
Solution Approach 1:
The plate element incorporates curved or radially oriented rib structures that guide the barrier material in a natural arc around the shaft during winding. This curved geometry self-aligns the barrier as it is wound, ensuring uniform distribution and orderly placement without requiring complex positioning mechanisms.
Solution Approach 2:
The structuring on the plate element automatically guides and positions the barrier material during the winding process. The ribs or protrusions interact with the barrier to self-align and evenly distribute it around the shaft, eliminating the need for external guidance systems or complex control mechanisms.
Data Source
Figure 1
AI summary
The present invention relates to the fields of safety engineering as well as forestry and agriculture and concerns a device for the vertical rolling up and down of net-like or band-shaped mobile barriers. The device according to the invention can be used, for example, on construction sites or pastures. The object of the invention is to provide a device for the vertical rolling up and down of net-like or band-shaped mobile barriers that is simple in design, portable, and inexpensive to manufacture.The problem is solved by a device comprising a drive element, a substantially vertically arranged shaft and a plate element arranged substantially horizontally to the shaft, wherein the drive element is connected to the shaft at the upper end of the vertically arranged shaft and the horizontally arranged plate element is connected to the shaft at the lower end of the vertically arranged shaft, and wherein the plate element has at least one structuring on the surface facing the shaft.