Modular Telescopic Rotation Arm Motor Control
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Solution Overview
Problem
Conventional multi-axis robot arms have limited adjustability in length and rotation, restricting their usage scope and accuracy due to fixed telescopic distances and inability to rotate, leading to unstable manual adjustments.
Innovation Solution
A modular telescopic rotation arm by motor control, comprising a hollow fastening element, knuckle modules, ball screw assembly, and sleeve modules, allows for adjustable lengthening and shortening distances and rotation angles through motor-driven mechanisms, enabling precise adjustments in multiple sections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the telescopic arm module uses a constant length structure, then the structure is simple and stable, but the usage scope is restricted and cannot be adjusted
Solution Approach 1:
The patent applies the dynamics principle by transforming the constant length structure into a dynamically adjustable telescopic structure. The telescopic arm module can now change its length through the telescopic tube and telescopic shaft mechanism, allowing the robot arm to adapt to different usage scenarios while maintaining structural stability through controlled movement.
Solution Approach 2:
The patent segments the arm module into multiple telescopic sections (telescopic tube and telescopic shaft) that can be independently adjusted. This segmentation allows the arm to achieve variable length by extending or retracting specific segments, thereby increasing adaptability without requiring complete structural redesign.
2Adaptability or versatility
If the telescopic distance is set at the factory, then the manufacturing precision is high, but the adaptability during usage is limited
Solution Approach 1:
The patent implements motor control to dynamically adjust the telescopic distance during usage. The motor-driven mechanism allows precise control of the telescopic shaft movement, maintaining manufacturing precision while enabling adaptability through programmable position control rather than fixed factory settings.
Solution Approach 2:
The patent replaces manual mechanical adjustment with an automated motor control system. This substitution enables precise telescopic distance control through electronic control signals, maintaining accuracy while significantly improving adaptability and eliminating the need for manual intervention.
3Measurement precision
If manual adjustment is used, then the device complexity is low, but the accuracy and stability are poor
Solution Approach 1:
The patent replaces manual mechanical adjustment with an automated motor control system that provides precise control of the telescopic arm. The motor control mechanism enables accurate positioning and stable operation, significantly improving adjustment accuracy while the control system manages the complexity through integrated electronic control.
Solution Approach 2:
The patent implements a control system that monitors and adjusts the telescopic arm position. This feedback mechanism ensures accurate positioning by continuously monitoring the arm's position and making necessary adjustments, thereby improving measurement precision while managing system complexity through automated control loops.
4Adaptability or versatility
If the robot arm cannot rotate, then the structure is simpler, but the versatility and usage scope are restricted
Solution Approach 1:
The patent applies the dynamics principle by adding rotational capability to the robot arm through motor control. The arm can now dynamically adjust its rotation angle during usage, transforming from a fixed-orientation structure to a dynamically repositionable system, thereby significantly expanding versatility while managing structural complexity through controlled movement mechanisms.
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
Enhances the accuracy and versatility of the modular telescopic rotation arm by enabling precise adjustments of length and rotation angles according to user needs, expanding its usage scope and improving stability and precision.
Implementation Method 1
The ball screw assembly includes a screw shaft and a nut. The limiting ring is disposed around one end of the screw shaft of the ball screw assembly, and the nut is blocked between the first flange and the limiting ring.
Data Source
AI summary
A modular telescopic rotation arm by motor control includes a fastening element, a first knuckle module, a first flange, a telescopic module, an outer sleeve module and an inner sleeve module. The first knuckle module is disposed in one end of the fastening element. One end of the first flange is connected to one end of the first knuckle module. The telescopic module is partially disposed in the fastening element. The telescopic module includes a second knuckle module. The second knuckle module is disposed in the fastening element. The outer sleeve module is connected to the first flange, and the telescopic module is partially surrounded by the outer sleeve module. The inner sleeve module is surrounded by the outer sleeve module.