Belt Mounting Tool Protection Part for Protruding Pulleys
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Solution Overview
Problem
Existing belt installation tools risk damaging belts and pulleys when used on pulleys with protrusions due to interference during belt winding, as they do not effectively protect against protrusions on the pulley side surfaces.
Innovation Solution
A belt installation tool system with a protection part that covers at least 50% of the pulley's side surface, including protrusions, and a belt holding part that protrudes near the outer peripheral area, preventing interference and ensuring stable installation without damaging the belt or pulley.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional belt installation tool is used on pulleys with protrusions, then the tool can be installed on the pulley, but the belt or pulley may be damaged due to contact with protrusions
Solution Approach 1:
The protection part acts as an intermediary element between the belt and the protrusion on the pulley. It covers the protrusion and prevents direct contact between the belt and the protruding clutch hub, thereby eliminating the harmful interaction while allowing the belt installation operation to proceed smoothly
Solution Approach 2:
The protection part is installed on the pulley before the belt installation operation begins. It pre-establishes a protective barrier that prevents the potential harmful contact between the belt and protrusion from occurring in the first place, rather than attempting to mitigate damage after contact occurs
2Reliability
If the protection part covers the entire side surface of the pulley, then protrusions are fully protected, but the device complexity increases
Solution Approach 1:
The protection part is designed to cover only the specific area where the protrusion is located on the pulley side surface, rather than covering the entire surface. This localized approach provides sufficient protection where needed while minimizing the amount of material and structural complexity required
Solution Approach 2:
The protection part covers at least a part of the first side surface (50 to 100% coverage), which is sufficient to protect the protrusion without requiring complete full-surface coverage. This partial action achieves the necessary protection level while avoiding unnecessary complexity
Data Source
Figure 1(a)~1(b)
Figure 2(a)~2(c)
Figure 3
AI summary
The present invention relates to a belt installation tool which is to be installed so as to cover at least a part of a first side surface of a pulley, including an attaching part that is attached along an outer peripheral part of the pulley, an installation part that is brought into contact with at least a part of the first side surface of the pulley, a protection part that covers at least a part of the first side surface without coming into contact with the first side surface of the pulley, and a belt holding part that protrudes on the protection part near the outer peripheral part of the pulley, or on the installation part, in which the protection part covers at least a part of a part having a largest distance in a vertical direction from a plane defined by a part with which the installation part comes into contact in the first side surface in an area located inside the part with which the installation part comes into contact in the first side surface of the pulley.