Detachable Drive Sprocket Teeth for Track Damage Prevention
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Solution Overview
Problem
Tracked vehicles experience damage and maintenance challenges due to ingestion of undesired materials like gravel and stones into the track assembly, leading to wear and tear on drive wheel members and endless tracks, which can result in the track being torn apart.
Innovation Solution
A fastening arrangement for the drive wheel member featuring a ring-shaped support member with detachable tooth members that engage with the endless track, allowing for controlled detachment when subjected to radial forces exceeding a certain threshold, thereby reducing damage and facilitating maintenance by enabling easy exchange and reassembly of tooth members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If tooth members are firmly fixed to the drive sprocket member, then the drive wheel member can transmit force effectively to the endless track, but the tooth members may cause damage to the endless track when subjected to radial forces from ingested material
Solution Approach 1:
The drive sprocket member is segmented into a support member and detachable tooth members. The tooth members can be selectively removed from the drive sprocket member when ingested material is detected, allowing the harmful radial forces to be avoided while preserving the support member. This segmentation enables the system to switch between firm fixation (for force transmission) and detachment (for damage prevention).
Solution Approach 2:
The attachment between tooth members and the support member is made dynamic rather than permanent. The tooth members are detachably attached, allowing the configuration to change from fixed to detached based on operating conditions. This dynamic adaptability resolves the contradiction by enabling the system to optimize between force transmission and damage prevention as needed.
2Stability of the object's composition
If tooth members are permanently attached to the drive sprocket member, then the drive wheel member maintains structural integrity, but maintenance and exchange of tooth members becomes complex and time-consuming
Solution Approach 1:
The drive sprocket member is divided into a support member and separately attachable tooth members. This segmentation allows tooth members to be independently removed and replaced without affecting the support member or requiring complex disassembly procedures. The simple attachment interface maintains structural integrity during operation while enabling rapid maintenance.
Solution Approach 2:
The tooth members are designed to be replaceable components that can be discarded when worn or damaged and recovered/reused after maintenance. This approach simplifies repair operations by allowing individual tooth members to be exchanged without replacing the entire drive sprocket assembly, reducing maintenance time and complexity.
3Ease of repair
If the drive wheel member is designed with removable tooth members, then maintenance is simplified, but the attachment device adds complexity to the drive sprocket member structure
Solution Approach 1:
The attachment device is designed as a simple interface between the support member and tooth members, separating the complex support structure from the simple detachable tooth components. This segmentation keeps the attachment mechanism minimal and straightforward, avoiding unnecessary complexity while still enabling easy removal and reattachment of tooth members for maintenance.
4Object-affected harmful factors
If tooth members detach under radial force, then damage to the endless track is prevented, but the tooth members may not remain securely attached during normal operation
Solution Approach 1:
The attachment device is designed with specific mechanical parameters that allow it to maintain secure attachment during normal operation (withholding tangential forces) while permitting detachment under radial forces exceeding a certain threshold. The attachment strength parameters are carefully selected to distinguish between normal operating loads and harmful radial impact loads, enabling automatic damage prevention without compromising operational reliability.
Data Source
AI summary
The present invention relates to a fastening arrangement of a drive wheel member for an endless track of a tracked vehicle. Said drive wheel member comprises a hub member and a drive sprocket member, said drive sprocket member comprising a set of tooth members arranged around the circumference of said drive sprocket member. Said drive sprocket member further comprises a ring-shaped support member for tooth members of said drive sprocket member. Said fastening arrangement is configured for fastening a tooth member of the set of tooth members to the support member so that said tooth member is in an operation position for engaging with said endless track, said fastening arrangement comprising an attachment device configured to detachably attach said tooth member to said support member such that said tooth member is detached from the operation position if said tooth member is subjected to a radial force exceeding a certain threshold.