Countershaft Coupling for Rapid Drive Gear Replacement
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Solution Overview
Problem
Existing fiber bundle condensing devices in spinning machines require significant downtime for drive gear replacement, leading to reduced productivity and increased costs due to the need for special parts and potential unbalanced rotation issues.
Innovation Solution
A fiber bundle condensing device configuration where countershafts are connected by couplings, allowing the drive gear to be replaced quickly by adjusting the distance between countershafts to accommodate the gear's width, without using special parts, and minimizing downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the drive gear is replaced by pulling out the series of countershafts from the spinning machine, then the drive gear can be replaced, but the replacement time increases significantly and productivity decreases
Solution Approach 1:
The countershaft series is segmented into individually replaceable units. Each countershaft can be detached and replaced independently by removing only the coupling connecting adjacent countershafts, rather than requiring removal of the entire series. This segmentation enables quick drive gear replacement while maintaining productivity.
2Ease of repair
If the drive gear is divided into two parts to enable easier replacement, then the drive gear can be removed without pulling out countershafts, but the cost increases and rotation balance deteriorates
Solution Approach 1:
Instead of dividing the drive gear itself, the coupling connecting the countershafts is removed (taken out) to enable drive gear replacement. This extraction of the coupling mechanism allows the intact drive gear to be freely mounted and dismounted from the countershaft without compromising the gear's structural integrity or rotation balance.
3Ease of repair
If multiple countershafts are connected by couplings, then the drive gear can be replaced by adjusting coupling distance, but the device structure becomes more complex
Solution Approach 1:
The coupling serves multiple functions: it connects adjacent countershafts to transmit rotational force during normal operation, and it can be quickly removed to enable drive gear replacement. This multi-functionality allows the coupling to fulfill both operational and maintenance requirements without adding significant structural complexity.
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 rapid replacement of drive gears with minimal disruption to the spinning machine's operation, improving workability and reducing costs by avoiding the need for specialized parts and minimizing downtime.
Implementation Method 1
a suction portion that exerts suction acting on the fiber bundle, an air-permeable apron that rotates along the suction portion
Data Source
Figure 1A~1B
Figure 2A~2D
AI summary
A fiber bundle condensing device (100) includes a condensing device (110) configured to condense a fiber bundle (F) and including a delivery bottom roller (112) that is mounted on a rotary shaft (111) and transports the fiber bundle (F), a countershafts (130) configured to drive the rotary shaft (111), a driven gear (113) mounted on the rotary shaft (111), a drive gear (132) mounted on the countershaft (130). A plurality of the countershafts (130) corresponding to a plurality of the condensing devices (110) are connected by a coupling (150). A conditional expression W > d ≥ (1/4) x W is satisfied, where W represents a width of the drive gear (132) and d represents a distance between ends of the plurality of countershafts (130) connected by the coupling (150).