Sensor-Guided Pivoting Tyre Tool for Precise Bead Breaking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing tyre-removal apparatuses face challenges in ensuring precise, efficient, and safe bead breaking and tyre removal processes, often resulting in damage to tyres, rims, or tools due to improper tool positioning and movement.
Innovation Solution
A tyre-removal apparatus equipped with a pivoting tool, such as a bead breaker disc, mounted on a support arm with sensors to detect contact parameters and a control unit to precisely control the tool's pivoting and movement, ensuring correct positioning and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the bead breaker disc is manually positioned and moved towards the wheel, then the operator has control over the positioning, but the positioning precision is insufficient leading to damage risk
Solution Approach 1:
The system incorporates sensors that detect the position of the bead breaker disc relative to the wheel and provide feedback signals to the control unit. The control unit processes this information and automatically adjusts the disc position to achieve precise alignment with the tyre bead, eliminating manual positioning errors while maintaining system controllability.
Solution Approach 2:
The patent replaces manual mechanical positioning with an automated control system that uses sensors and actuators. The control unit receives sensor data and commands the actuator to move the bead breaker disc to the correct position, substituting human operator skill with an automated feedback-controlled mechanical system.
2Productivity
If the bead breaker disc is advanced quickly towards the wheel, then the bead breaking process is faster, but the risk of damaging the tyre or rim increases
Solution Approach 1:
Sensors continuously monitor the position and contact force between the bead breaker disc and the tyre. The control unit processes this feedback information and dynamically adjusts the advancement speed of the disc, allowing rapid approach when safe and automatic slowing or stopping when contact is detected, thus maintaining high productivity while preventing damage.
Solution Approach 2:
The system transitions from static or pre-programmed motion to dynamic adaptive motion. The bead breaker disc advancement speed is continuously adjusted based on real-time sensor feedback, enabling the system to optimize speed throughout the operation - fast when no contact, slow or stopped when contact is detected - thereby achieving both high productivity and safety.
3Productivity
If the bead breaker disc is positioned close to the wheel axis for effective bead breaking, then the bead separation is more effective, but the risk of tool collision with the wheel increases
Solution Approach 1:
Position sensors continuously monitor the distance between the bead breaker disc and the wheel axis, while contact sensors detect any collision. The control unit processes this feedback and automatically adjusts the disc position, maintaining optimal proximity for effective bead breaking while preventing collision by stopping or retracting the disc when contact is detected or when the predetermined safety distance is approached.
Solution Approach 2:
The system performs preliminary positioning of the bead breaker disc to a predetermined safe distance from the wheel axis before the bead breaking operation begins. This preliminary action establishes a safety margin that prevents collision while allowing the disc to be effectively positioned for bead breaking, combining safety preparation with operational effectiveness.
4Measurement precision
If a sensor-controlled automatic pivoting system is implemented, then the tool positioning precision is improved, but the device complexity increases
Solution Approach 1:
The system uses sensors to detect the position and orientation of the pivoting tool and provides feedback to the control unit. The control unit processes this information and automatically adjusts the pivoting angle to achieve precise positioning, replacing manual operation with automated feedback control and thereby improving precision while keeping the control logic relatively simple.
Solution Approach 2:
The pivoting tool is equipped with sensors that automatically detect its own position and the position of the wheel, and the control unit automatically adjusts the pivoting angle based on this information. The system serves itself by using its own sensor data to control its positioning, eliminating the need for complex external positioning mechanisms or manual intervention.
Data Source
AI summary
A tyre-removal apparatus includes a base having a support for receiving and rotating a wheel, and a frame joined to the base having an upright with a longitudinal axis substantially parallel to an axis of rotation of the wheel. A support arm associated with the upright is movable substantially parallel to the axis of rotation of the wheel. A tool for operating on the wheel is mounted pivoting on the support arm. A sensor associated with the tool detects a parameter representing contact between the tool and the wheel, and is connected to a control unit controlling an actuator associated with the support arm, to pivot the tool between a withdrawn position with respect to the axis of rotation of the wheel and an advanced position with respect to the axis of rotation of the wheel, depending on the parameter representing contact between the tool and the wheel.