Crusher Tool Insert With Lifting Eyes For Easy Mounting
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Solution Overview
Problem
The existing tool inserts for shredding lumpy material are difficult to mount and replace due to their heavy and large volume, requiring time-consuming and challenging assembly and dismantling processes, especially in tight spatial conditions.
Innovation Solution
A tool insert design featuring stop points on the striking surface for easy coupling with suspension elements, allowing for simple and precise positioning using cranes, and a stop point on the fastening section for secure attachment and easy handling during assembly and dismantling, which can be attached in a materially bonded manner or with a predetermined breaking point for uniform wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If tool inserts are made heavy and large-volume to withstand impact loads, then their durability and strength are improved, but their assembly and dismantling become time-consuming and difficult
Solution Approach 1:
The tool insert is divided into two functional segments: a striking section for impact work and a fastening section for mounting. The fastening section includes a bearing eye that allows the insert to be mounted on a rotor shaft, enabling modular assembly and replacement without requiring disassembly of the entire tool body.
Solution Approach 2:
A bearing eye is introduced as an intermediary mounting mechanism between the tool insert and the rotor shaft. This bearing eye allows for easy attachment and detachment of the tool insert from the rotor, significantly reducing assembly and dismantling time while maintaining secure mounting during operation.
2Strength
If tool inserts are made heavy and large-volume, then their strength is improved, but their handling and positioning become difficult in tight spatial conditions
Solution Approach 1:
The invention introduces a lifting eye protruding from the striking surface, providing a new dimension for handling. This lifting eye allows cranes and other lifting devices to grasp and position the heavy tool insert from above, transforming the handling approach from direct manual manipulation to mechanical lifting, thereby improving ease of operation in tight spatial conditions.
3Stability of the object's composition
If tool inserts are mounted permanently on rotor axes, then their operational stability is improved, but their replacement becomes complex and time-consuming
Solution Approach 1:
The mounting system transitions from a fixed permanent attachment to a dynamic releasable connection. The bearing eye allows the tool insert to be quickly attached and detached from the rotor shaft, enabling easy replacement while maintaining stable operation during use. The insert can be rapidly removed and replaced by simply detaching the bearing eye from the shaft.
Data Source
Figure 1~2
Figure 3~4
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AI summary
The invention relates to a tool insert for a device (S) for crushing lumpy material (M), comprising a striking section (2, 32) having a striking surface (5, 33) on its free outer side, against which the material (M) to be crushed strikes in practical use, and a fastening section (3, 34) which is connected to the striking section (2, 32) on a side facing away from the striking surface (5, 33) and serves to detachably fasten the tool insert (1, 31) in the device (S). To enable such a tool insert to be mounted in a device for crushing lumpy material with less effort, the invention proposes that, in the new state of the tool insert (1, 31), at least one stop point (10, 11, 36, 44) projecting from the striking surface (5, 33) is provided on the striking section (2, 32), to which a support element (T1, T2, 41) can be attached.