Elastic Damper Structure for Excavator Tooth Connection Wear
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Solution Overview
Problem
The existing damper structures in digging apparatuses, such as excavators, face issues with wear and tear, leading to reduced durability and increased maintenance costs due to the direct contact between the tooth points and the connection units, which results in a need for frequent replacements.
Innovation Solution
A damper structure incorporating a damper part made of elastic material with metal fixing parts that compress and secure the connection unit, enhancing the binding force and reducing wear by distributing pressure effectively, thereby increasing the lifespan and durability of the components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the tooth points are directly connected to the bucket via a tooth adapter, then the digging operation can be performed, but the tooth points wear excessively and require frequent replacement
Solution Approach 1:
A damper structure is installed between the tooth adapter and tooth point to absorb impact forces before they reach the connection. The damper includes a damper body with elastic material that compresses under impact, reducing the transmission of shock loads that cause wear and failure of the tooth points and connection unit.
Solution Approach 2:
The damper structure acts as an intermediary element between the tooth adapter and tooth point. This intermediate component absorbs and dissipates impact energy, protecting the direct connection from excessive forces and reducing wear on the tooth points during digging operations.
2Productivity
If the connection unit is frequently replaced due to wear, then the digging operation can continue, but maintenance costs increase
Solution Approach 1:
The damper structure is installed in advance to cushion impact forces, preventing premature wear and failure of the connection unit. By absorbing shocks before they reach the tooth points and connection unit, the damper extends the service life of these components, reducing the frequency of replacements and associated maintenance costs.
3Reliability
If the damper part is made of elastic material, then wear is reduced and durability is enhanced, but the structural complexity increases
Solution Approach 1:
The damper body is constructed using elastic material that functions as a flexible element to absorb impact. This flexible damper body, combined with simple fixing parts, creates an effective shock-absorbing structure without requiring complex mechanical components, maintaining relative simplicity while enhancing durability.
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
The proposed damper structure significantly reduces wear and tear, enhances the binding force between the tooth adapter and tooth point, and lowers maintenance costs by improving the durability and extending the operational life of the excavator components.
Implementation Method 1
a damper part formed of an elastic material
Data Source
AI summary
Disclosed is a damper structure in contact with a connection unit for coupling a first coupling structure part and a second coupling structure part, including a damper part formed of an elastic material and at least one fixing part coupled to at least one surface of the damper part and protruding outward, and coming into contact with the connection unit and moving toward the damper part by pressure applied by the connection unit when the connection unit is separated or fastened.