Rotating Rod Drive Mechanism for Out-of-Phase Reciprocation
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Solution Overview
Problem
There is no mechanism developed to cause a rod-shaped member to rotate while its rod parts perform out-of-phase reciprocating motions.
Innovation Solution
A drive mechanism comprising a rotatable rod with rod parts that are independently movable along a central axis, supported by ring-shaped slide grooves and an outer cylinder with longitudinal grooves, allowing rotational motion and out-of-phase reciprocating motions by rotating the outer cylinder, which transmits rotational power to the rod parts through sliding protrusions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a rod-shaped member rotates while its rod parts perform reciprocating motions, then productivity and energy efficiency are improved, but device complexity increases
Solution Approach 1:
The rod-shaped member is divided into multiple rod parts (first rod part, second rod part, third rod part) that can independently perform reciprocating motions. This segmentation allows each part to be controlled separately by dedicated drive mechanisms, enabling out-of-phase reciprocating motions that reduce resistance and improve perforating efficiency while maintaining manageable device complexity through modular design
Solution Approach 2:
The mechanism employs dynamic drive mechanisms (crank mechanisms or cam mechanisms) that convert rotational motion of the rod-shaped member into out-of-phase reciprocating motions of the rod parts. The drive mechanisms are designed to provide optimal phase differences between rod parts, allowing the system to adaptively adjust motion characteristics to minimize resistance and energy consumption during rotation
2Use of energy by moving object
If out-of-phase reciprocating motions are implemented, then energy consumption is reduced, but manufacturing complexity increases
Solution Approach 1:
The rod-shaped member is divided into multiple rod parts (first rod part, second rod part, third rod part) that can independently perform reciprocating motions. This segmentation allows each part to be controlled separately by dedicated drive mechanisms, enabling out-of-phase reciprocating motions that reduce resistance and improve perforating efficiency while maintaining manageable device complexity through modular design
Solution Approach 2:
The mechanism employs dynamic drive mechanisms (crank mechanisms or cam mechanisms) that convert rotational motion of the rod-shaped member into out-of-phase reciprocating motions of the rod parts. The drive mechanisms are designed to provide optimal phase differences between rod parts, allowing the system to adaptively adjust motion characteristics to minimize resistance and energy consumption during rotation
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
Enables the rod-shaped member to rotate while its parts execute out-of-phase reciprocating motions efficiently, reducing resistance and energy consumption, particularly suitable for applications like perforating apparatuses.
Implementation Method 1
an outer cylinder 50 that is disposed between the rotatable rod 10 and the support members A and B and that has longitudinal grooves 51 each extending along the central axis I
Implementation Method 2
support members A and B having a slide groove 31 that is in the form of a ring and that surrounds the rotatable rod 10
Data Source
Figure 1(a)~1(d)
Figure 2
Figure 3
AI summary
Provided is a mechanism that causes a rod-shaped member to rotate while causing rod parts, which are part of the rod-shaped member, to carry out out-of-phase reciprocating motions. A drive mechanism (100) in accordance with an aspect of the present invention includes: a rotatable rod (10) that includes rod parts (11) which are separated by a boundary along a central axis I, the rod parts (11) each being independently movable along the central axis (I); support members (A and B) having a slide groove (31) that is in the form of a ring and that surrounds the rotatable rod (10); and an outer cylinder (50) that is disposed between the rotatable rod (10) and the support members (A and B) and that has longitudinal grooves (51) each extending along the central axis (I).