Telescopic Vertical Tube Alignment Using Plate Recesses
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Solution Overview
Problem
Existing telescoping vertical tubes used in scaffolding and formwork face challenges in vertical alignment, especially on rough subsoil surfaces, requiring significant force and leading to surface damage due to hammer blows, which can result in rust and reduced load-bearing capacity.
Innovation Solution
The introduction of recesses on the edge of the head or foot plates allows for the use of a lever tool to increase force and facilitate precise movement of the tubes without additional material or production costs, reducing friction and damage by leveraging common construction tools like nail irons.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If hammer blows are used to align the vertical tube, then the alignment force is sufficient, but the surface of the tube is damaged leading to rust and reduced load-bearing capacity
Solution Approach 1:
The recess in the head or foot plate serves as an intermediary structure that allows a lever tool to be inserted between the plate and the counter surface. This mediator enables force application without direct hammer blows to the tube surface, thus achieving alignment while preventing surface damage and rust.
2Object-affected harmful factors
If impact protectors are added to the outer tubes, then the surface damage is prevented, but the material and production costs increase and the user is hit more severely
Solution Approach 1:
The harmful function of impact protectors (absorbing blows and causing user injury) is eliminated by extracting the need for external protection. Instead, the recess is designed to enable direct lever application that distributes force away from the tube surface, making additional protectors unnecessary and reducing device complexity.
Solution Approach 2:
The recess serves multiple functions: it provides a point for lever tool insertion to enable alignment, acts as a force distribution mechanism to prevent surface damage, and eliminates the need for separate impact protectors. This multi-functionality reduces overall device complexity while maintaining protection.
3Ease of operation
If the vertical tube is moved on rough subsoil surfaces, then the alignment is achieved, but great forces are required making the process difficult
Solution Approach 1:
The recess enables force application in a different dimensional approach by allowing lever insertion between the plate and counter surface. This creates a mechanical advantage through leverage, reducing the direct force required from the user while achieving the same alignment effect on rough surfaces.
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
This solution enables easier and precise alignment of telescoping vertical tubes on slippery surfaces, reducing the need for hammer blows and minimizing damage, while maintaining structural integrity and load-bearing capacity.
Implementation Method 1
The lever tool increases the force, which makes it possible to move the vertical tube along the opposite surface
Implementation Method 2
The lever tool increases the force, which makes it possible to move the vertical tube along the opposite surface, even on very slip-resistant surfaces
Data Source
Figure 1a
Figure 1b~2
Figure 3
AI summary
The telescopic vertical pipe (1) has an external pipe (2), where an inner pipe (3) is adjusted in the external pipe. A head or base plate (4) has a recesses (42). The lever tool is arranged between the head or base plate and antisurface. An independent claim is also included for a method for aligning standing telescopic vertical pipe by lever tool.