Tree Grate Bridge Element Screw Connection
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Solution Overview
Problem
Existing tree grates lack flexibility in connecting segments, particularly in terms of height adjustment and assembly complexity, with rigid connections and cumbersome assembly processes.
Innovation Solution
Incorporating bridge elements with screw connections between tree grate segments, allowing for adjustable height and simplified assembly, along with hexagon receptacles for secure fastening without under-threading, and guide projections for easier positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If tree grate segments are connected in a rigid, geometrically predetermined manner, then structural stability is improved, but height adjustability deteriorates
Solution Approach 1:
The bridge element incorporates a height adjustment mechanism that allows the connection height between tree grate segments to be dynamically changed. The bridge element can be positioned at different heights on the segments, enabling the structure to adapt to varying ground conditions while maintaining stable connection between segments.
Solution Approach 2:
The connection system is divided into separate components: the bridge element and the connection elements. This segmentation allows independent optimization of each component - the bridge element provides structural stability while the connection elements enable height adjustment, resolving the contradiction between stability and adaptability.
2Ease of manufacture
If connecting elements are molded onto the underside of tree grate segments, then manufacturing integration is improved, but assembly complexity deteriorates
Solution Approach 1:
The connection elements are extracted from the underside of the tree grate segments and repositioned to the top surface. This extraction simplifies assembly by allowing direct access to the connection points, eliminating the need to work from below, while the molding process remains integrated into the segment manufacturing.
Solution Approach 2:
Instead of placing connection elements on the underside as in conventional designs, the invention inverts the approach by positioning them on the top surface of the segments. This inversion simplifies the assembly process while maintaining manufacturing integration through molding.
3Reliability
If through holes are provided in connecting elements for screw fastening, then connection reliability is improved, but manufacturing cost deteriorates
Solution Approach 1:
The connection element is merged with the tree grate segment through integral molding, creating a single-piece construction. This combining eliminates the need for separate through holes and additional fastening operations, reducing manufacturing complexity and cost while maintaining reliable connection through the molded integration.
Solution Approach 2:
The molded connection element incorporates self-aligning features and integrated fastening points that automatically guide the assembly process. The design serves itself by providing built-in positioning and connection capabilities, eliminating the need for additional manufacturing steps like drilling through holes.
Data Source
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AI summary
The present invention relates to a tree grate (1) for covering the root area of trees, comprising several flat, cast-iron tree grate segments (10), preferably provided with openings (11), which can be placed on a foundation (13), in particular with a receiving frame (12). According to the invention, at least one bridge element (14) is arranged between two tree grate segments (10), wherein, for connecting the tree grate segments (10), the bridge element (14) is connected to both tree grate segments (10) by means of screw elements.