Rotatable Jack Base with Protrusions for Uneven Terrain Stability
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Solution Overview
Problem
Conventional jack bases lack stability, safety, and flexibility, particularly when lifting heavy loads on uneven or rough surfaces, and offer limited storage and stowing options.
Innovation Solution
A base system for jacks featuring rotatable foundation plates with protrusions and intermediate plates, allowing for adjustable orientation and secure footing, combined with a ball-and-spring mechanism for easy assembly and storage, enhancing stability and versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a conventional fixed base is used for a jack, then the structure is simple, but the stability and adaptability on uneven surfaces is poor
Solution Approach 1:
The base incorporates rotatable foundation plates that can be dynamically adjusted to different orientations and positions. The plates can rotate relative to the beam and to each other, allowing the base to adapt its configuration for optimal stability on various terrain conditions while maintaining a relatively simple overall structure.
Solution Approach 2:
The base is divided into multiple independent foundation plates (first, second, third, and fourth plates) that can be individually positioned and oriented. This segmentation allows each plate to be independently adjusted to contact the ground surface, improving stability on uneven surfaces without requiring a completely complex reconfiguration of the entire base structure.
2Adaptability or versatility
If a conventional fixed base is used for a jack, then the manufacturing process is simple, but the adaptability to various terrains is limited
Solution Approach 1:
The foundation plates are designed with rotational capability through pivot points and articulation mechanisms that, while adding adaptability, are constructed using standard mechanical components. This allows the plates to adjust to various terrain angles and configurations while maintaining manufacturing processes that rely on conventional machining and assembly techniques.
3Adaptability or versatility
If a conventional base is used for a jack, then the storage space is small, but the stowing options are limited
Solution Approach 1:
The foundation plates are designed to nest within or against each other when not in use. The plates can be folded or collapsed into a compact configuration that minimizes the overall volume occupied during storage or transport, while still providing full adaptability when deployed for lifting operations.
Data Source
AI summary
An apparatus including a lifting jack having a beam, and a base having a first section with a first opening configured to receive the beam. The base may further include one or more foundation plates connected to the first section in a manner so that each of the one or more foundation plates can be rotated with respect to the first section. The one or more foundation plates may include a first, second, third, and fourth foundation plates. The first foundation plate and the second foundation plate may be about the same size and shape. The third foundation plate and the fourth foundation plate may be about the same size and shape. The first foundation plate and the third foundation plate may be substantially different in size. Each of the one or more foundation plates may have a bottom surface, from which protrude a plurality of protrusions.