Hydraulic Boom Tool Angle Control With Piston Position Feedback
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Solution Overview
Problem
Operators face challenges in aligning construction or demolition tools, such as hydraulic hammers or drills, at the correct angle when using hydraulically operated booms or arms, leading to potential damage and increased wear due to improper alignment, as existing solutions either fail to set the angle correctly initially or compromise operator control.
Innovation Solution
A system comprising a hydraulic cylinder with a piston, controller, and piston position sensor that receives control inputs, determines the current angle, and halts the tool when it approximates the desired angle, allowing the operator to maintain control while ensuring accurate alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If automatic angle setting is used, then angle alignment precision is improved, but operator control is lost and safety is compromised
Solution Approach 1:
The system continuously monitors the actual angle of the boom using sensors and compares it with the desired angle, providing real-time feedback to the control system. This allows the operator to see when the correct angle is achieved while maintaining manual control of the boom throughout the positioning process.
Solution Approach 2:
The patent replaces manual visual estimation and physical adjustment with electronic sensing and automated angle calculation. The system uses sensors, processors, and software to automatically determine and indicate the correct angle, substituting mechanical operator judgment with electronic measurement and display systems.
2Ease of operation
If manual angle setting is used, then operator control is maintained, but angle alignment precision deteriorates
Solution Approach 1:
The system introduces an intermediary display device (such as a graphical user interface or visual indicator) that shows the operator the current angle and the desired target angle. This intermediary provides precise angle information to the operator without removing manual control, enabling accurate positioning through informed manual adjustment.
Solution Approach 2:
The patent replaces manual visual estimation with electronic sensing and automated angle calculation. The system uses sensors, processors, and software to automatically determine and indicate the correct angle, substituting mechanical operator judgment with electronic measurement and display systems.
3Stability of the object's composition
If prior art angle maintenance is used, then angle stability is improved, but initial angle setting accuracy deteriorates
Solution Approach 1:
The system performs preliminary angle calculation and provides guidance to the operator before the boom reaches the final position. By calculating the desired angle in advance and displaying it to the operator, the system enables accurate initial positioning rather than relying solely on maintenance of a previously set angle.
Solution Approach 2:
The system continuously monitors the actual angle of the boom using sensors and compares it with the desired angle, providing real-time feedback to the control system. This allows the operator to see when the correct angle is achieved while maintaining manual control of the boom throughout the positioning process.
Data Source
AI summary
A carrier comprising at least one hydraulic cylinder having a piston, a controller and a piston position sensor, wherein the carrier is arranged to carry a tool through the use of the hydraulic cylinder and wherein the controller is configured to: receive control input for moving the tool; receive piston position information for at least one piston of the at least one cylinders; determine a current angle for the tool based on the piston position information; and determine that the current angle approximates a desired angle, and in response thereto halt the tool at the desired angle. According to an aspect the controller may be configured to detect and determine the position of a subject relative the carrier based on hydraulic pressure information and tool operational information. Further, the application concerns methods applied with the embodiments of said carrier.