Drive Shaft Protective Boot With Axial Release for Joint Access
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Solution Overview
Problem
Existing accident prevention protection systems for drive shafts, particularly those with telescopic designs, face limitations such as residual risk due to open spaces between protective components and difficulty in accessing the end universal joints, as well as the risk of the counter-boot being lost during use.
Innovation Solution
A protection system comprising a first and second tubular member that can be slidably inserted into each other, with a protective boot that includes a first annular element fixed to the first tubular member and a second annular element that can be torsionally coupled to the first annular element for axial sliding, allowing easy access to the universal joint by disengaging from the power take-off, and featuring a flexible and rigid half-boot configuration for enhanced protection and usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a counter-boot is provided to protect the power take-off, then protection against accidental contact is improved, but the risk of the counter-boot being lost during use increases
Solution Approach 1:
The protective boot is merged with the drive shaft assembly through the retention arm mechanism. The retention arm is integrally connected to the protective boot and engages with the drive shaft, creating a unified assembly that prevents the protective boot from being lost while maintaining protection safety.
2Reliability
If a protective boot is used to cover the universal joint, then protection against accidental contact is improved, but access to the universal joint for maintenance becomes difficult
Solution Approach 1:
The protective boot is designed with dynamic characteristics, allowing it to be easily removed and reinstalled. The retention arm mechanism enables quick release of the protective boot from the drive shaft, facilitating maintenance access to the universal joint while maintaining protection during operation.
3Adaptability or versatility
If a telescopic protection system is used, then adaptability to different shaft lengths is improved, but the complexity of the protection system increases
Solution Approach 1:
The protection system is segmented into modular components: the protective boot, the retention arm, and the connection mechanism. This segmentation allows the telescopic sections to be independently adjusted while maintaining overall system simplicity, enabling adaptability to different shaft lengths without excessive complexity.
Data Source
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AI summary
The protection system (5) comprises a first tubular member (13) and a second tubular member (15) which can be slidably inserted into each other and a protection (8) at one end of the first tubular member (13). The protection comprises a protective boot (40) and a first annular element (21) fixed to the first tubular member (13). Further provided for is a second annular element (33) which can be torsionally coupled to the first annular element (21) and which can be decoupled therefrom by means of a mutual movement between the first annular element (21) and the second annular element (33) in a direction approximately parallel to the axis (A-A) of the first tubular member (13). The second annular element (33) is coupled to the protective boot (40) which is provided with members (49) for coupling to a stationary plate (51) which can be connected to a power take-off (9). A drive shaft provided with such a protection system is also described.