Threaded Two-Part Sprocket for Easy Shaft-Mounted Replacement
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Solution Overview
Problem
Existing sprockets are difficult to mount and demount, especially during repairs, requiring assembly and disassembly of the drive shaft, which complicates the process and is time-consuming.
Innovation Solution
A two-part sprocket design consisting of a gear rim and a sleeve body with interlocking threads allows for separate mounting and alignment, enabling fine adjustment and secure fixation without rotating on the drive shaft, allowing for easy assembly and disassembly without disassembling the drive shaft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional one-piece sprocket design is used, then the structure is simple and robust, but the mounting and dismounting process requires disassembly of the drive shaft, making it time-consuming and complex
Solution Approach 1:
The sprocket is divided into two separate components: a gear rim with external threading and a sleeve body with internal threading. This segmentation allows the gear rim to be independently mounted on the drive shaft via the threaded sleeve, eliminating the need for drive shaft disassembly. The two components are designed to work together as a complete sprocket assembly, providing both ease of installation and structural integrity.
2Ease of repair
If the sprocket is designed as a single integrated component, then manufacturing is straightforward, but repair and replacement require complete drive shaft disassembly
Solution Approach 1:
By separating the sprocket into a gear rim and a sleeve body, the invention enables independent replacement of the gear rim without affecting the drive shaft or the sleeve body. This segmentation allows for quick repair operations where only the worn gear rim needs to be removed and replaced, significantly reducing repair time and avoiding unnecessary disassembly of the drive shaft.
Solution Approach 2:
The sleeve body is pre-mounted on the drive shaft with internal threading prepared in advance. This preliminary action allows the gear rim to be quickly attached during repair operations without requiring time-consuming drive shaft disassembly. The pre-prepared threaded interface enables rapid replacement while maintaining secure connection.
3Manufacturing precision
If the gear rim is directly fixed to the drive shaft, then the connection is rigid and secure, but no fine adjustment of axial position is possible
Solution Approach 1:
The threaded connection between the gear rim and sleeve body provides a dynamic mounting mechanism that combines rigidity with adjustability. The threads allow for fine axial positioning adjustments during assembly by rotating the gear rim along the threaded sleeve, while once positioned, the connection provides a rigid and secure fixed state. This dynamic capability enables precise axial positioning without over-complicating the overall structure.
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
This design facilitates easy installation and replacement of sprockets, reduces the need for multiple components, and ensures secure power transmission, making repairs and replacements more efficient and space-efficient.
Implementation Method 1
the sleeve body is provided with a thread on its outer lateral surface and wherein the recess of the ring carrier provided for receiving the sleeve body has on its inner side facing the sleeve body a thread corresponding to the thread of the sleeve body
Data Source
AI summary
A sprocket is provided for arrangement on a drive shaft, the sprocket having a gear rim which has an externally toothed gear ring and a ring carrier, and a sleeve body, wherein the ring carrier has a recess for receiving the sleeve body and the sleeve body has a recess for receiving the drive shaft so that the gear rim can be arranged on the drive shaft with the sleeve body interposed there between, wherein the sleeve body is provided with a thread on its outer lateral surface and wherein the recess of the ring carrier provided for receiving the sleeve body has on the inner side thereof facing the sleeve body a thread corresponding to the thread of the sleeve body.