Reinforcement Bar Positioning Device with Biasing Securing Members
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Solution Overview
Problem
Reinforcement bars in concrete forms are prone to dislodgment due to the weight and pressure of concrete, leading to improper positioning and reduced reinforcing strength.
Innovation Solution
A reinforcement bar positioning device with an elongated main member and movable securing members that securely hold reinforcement bars in place using apertures and biasing mechanisms, ensuring stable positioning during concrete pouring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If reinforcement bars are positioned in concrete forms without sufficient securing mechanisms, then the positioning process is simple and quick, but the bars are prone to dislodgment due to concrete pressure, leading to improper positioning
Solution Approach 1:
The securing members are designed to be movable between a receiving position and a securing position, allowing the system to adapt dynamically to the reinforcement bars. The movable design enables easy installation and removal while providing secure positioning when engaged, resolving the contradiction between reliability and device complexity.
Solution Approach 2:
The positioning device is divided into distinct components: a main member with apertures and separate securing members that can independently engage with the reinforcement bars. This segmentation allows each component to perform its specific function efficiently while maintaining overall system simplicity.
2Ease of operation
If securing members are made movable between receiving and securing positions, then the ease of operation is improved, but the device complexity increases due to additional moving components
Solution Approach 1:
The securing members utilize their own weight and gravity to automatically move between positions. When placed in the form cavity, the securing members naturally orient themselves, reducing the need for complex actuation mechanisms while maintaining ease of operation.
Data Source
AI summary
A reinforcement bar positioning device may comprise an elongated main member having a longitudinal axis, with the main member defining a pair of apertures spaced from each other along the longitudinal axis. The positioning device may also comprise at least one securing member mounted on the main member and configured to secure a reinforcement bar in one of the apertures of the main member.