Cutting Wheel Mounting Alignment for Trench Wall Cutters
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The assembly and disassembly of cutting wheels on trench wall cutters are time-consuming and difficult due to their high weight and poor accessibility, requiring manual alignment and risking damage to sensitive components.
Innovation Solution
A method using spacer elements and centering elements to facilitate precise alignment and mounting of cutting wheels on cutting wheel gears, where spacer elements protect fasteners during alignment and centering elements ensure correct positioning without direct contact, allowing for easy engagement of fasteners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual alignment methods are used for mounting milling wheels, then no special tools are required, but the alignment precision is poor and the process is time-consuming
Solution Approach 1:
The patent introduces centering elements as intermediary components that mediate between the milling wheel and the milling wheel drive. These centering elements provide precise alignment references during the mounting process, enabling accurate positioning of the milling wheel without requiring manual adjustment, thereby resolving the contradiction between alignment precision and mounting time
Solution Approach 2:
The centering elements are pre-installed on the milling wheel drive before the milling wheel is mounted. This preliminary action establishes the alignment references in advance, so that when the milling wheel is brought to the drive, the alignment is automatically achieved through the centering elements, eliminating time-consuming manual alignment operations
2Reliability
If milling wheels are manually manipulated into position, then simple tools can be used, but sensitive fastening components are at risk of damage
Solution Approach 1:
The centering elements serve as protective cushions that are positioned beforehand on the milling wheel drive. When the milling wheel is brought into position, these centering elements absorb the initial contact and guide the alignment, preventing direct impact on the sensitive fastening components. This beforehand cushioning protects the fasteners from damage while still allowing the milling wheel to be manually manipulated into position
3Reliability
If milling wheels are frequently replaced due to wear, then cutting performance is maintained, but the repetitive mounting and dismounting process increases operational time
Solution Approach 1:
The centering elements are pre-installed on the milling wheel drive, creating a prepared mounting interface. This preliminary action ensures that each subsequent milling wheel replacement follows the same efficient process: bring the wheel to the drive, the centering elements automatically align it, and the fastening means engage. This standardizes the replacement process and minimizes operational time while maintaining the ability to frequently replace wheels for optimal cutting performance
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention relates to a method for mounting a milling wheel on a milling wheel drive of a slot wall cutter, wherein the milling wheel drive and the milling wheel each have fastening means for attaching the milling wheel to the milling wheel drive, and wherein at least two spacer elements are arranged on the milling wheel drive. The method according to the invention comprises the steps (i) bringing the milling wheel close to the milling wheel drive, (ii) roughly aligning the milling wheel relative to the milling wheel drive so that the fastening means of the milling wheel and milling wheel drive are opposite each other without touching, (iii) connecting a centering element to each of the spacer elements, (iv) finely aligning the milling wheel relative to the spacer elements using the centering elements, whereby the fastening means still do not touch, and (v) moving the milling wheel relative to the spacer elements using the centering elements so that the fastening means engage with each other.The invention further relates to a set for a slot wall milling machine and a slot wall milling machine for carrying out the method according to the invention.