Grooved Rail Milling Device with 3D Adjustable Processing Unit
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing track construction devices struggle with efficiently processing grooved rails, particularly in accessing and machining slots at the bottom, which can lead to clogging or structural changes that affect water drainage and increase the risk of track fracture, and are cumbersome to move between processing points.
Innovation Solution
A track construction device with a frame equipped with wheels for mobility, an adjustable processing unit with swivel arms and retaining clamps, and a milling device capable of movement in three spatial directions, allowing precise machining of slots and elongated holes without external aids, and featuring a cooling system and power unit for extended tool life and versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If holes are drilled in the bottom of grooved rails to enable water drainage, then water can drain off the grooved rail, but the holes can become clogged with leaves or debris, preventing water drainage
Solution Approach 1:
The bottom of the grooved rail is segmented into multiple longitudinal slots instead of using a single hole or undivided surface. This segmentation allows water to drain through multiple pathways, reducing the risk that clogging of one slot will completely block drainage. The slots are distributed along the bottom surface, creating redundant drainage paths.
Solution Approach 2:
Instead of creating holes that penetrate through the entire thickness of the rail bottom (vertical dimension), the invention creates slots that extend along the longitudinal dimension of the rail. This dimensional change from point-like holes to line-like slots increases the drainage surface area and provides multiple escape paths for water, making it less susceptible to complete clogging.
2Reliability
If a welding torch is used to burn slots in the groove to enable water drainage, then water can drain off the grooved rail, but the metal structure changes, increasing the risk of track fracture at low temperatures
Solution Approach 1:
The invention replaces the thermal processing method (welding torch burning) with a mechanical machining method (milling). Instead of using heat to create the drainage slots, a milling device with a rotating cutter removes material mechanically. This substitution eliminates the harmful thermal effects that alter the metal structure and create brittle zones susceptible to fracture at low temperatures.
Solution Approach 2:
The invention changes the processing parameter from thermal energy (welding temperature) to mechanical energy (milling force and cutter rotation). By controlling the milling depth, speed, and cutter geometry, precise slots are created without the uncontrolled thermal effects of welding, maintaining the metallurgical integrity of the rail material.
3Reliability
If hand-held devices are used to drill or burn slots in grooved rails, then water drainage can be achieved, but the processing is time-consuming and difficult to perform precisely
Solution Approach 1:
The invention combines the mobility of hand-held devices with the precision and power of fixed machining equipment. The milling device is mounted on a mobile platform with wheels that can travel along the rail, merging the advantages of both approaches. The device includes a control system that coordinates the movement of the platform with the operation of the milling cutter, enabling efficient and precise processing.
Solution Approach 2:
The invention transforms the static fixed machining equipment into a dynamic mobile system. The milling device is mounted on a platform with wheels that can move along the rail, and the milling head can be positioned at different locations. This dynamic configuration allows the device to access different sections of the rail efficiently while maintaining machining precision through controlled movement and positioning mechanisms.
4Adaptability or versatility
If rail-mounted two-way excavators or other lifting devices are used to access processing points not accessible from the side, then processing can be performed, but the complexity of processing significantly increases
Solution Approach 1:
The mobile milling device is designed with universal functionality to handle various processing scenarios. It can process grooved rails at different locations along the track, mill slots in the bottom surface, and potentially perform other maintenance tasks. The device's modular design and programmable control system enable it to adapt to different rail configurations and processing requirements without requiring specialized equipment for each situation.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A track construction device for processing rails (8), in particular grooved rails, is described, which has a frame (4) that is provided with a first pair of wheels (6) that can be arranged along a first rail (8) and a second pair of wheels (38) that can be arranged along a second rail, wherein a processing unit (12) is adjustably attached to the frame (4) relative to the first rail (8) between the first pair of wheels (6) via pivot arms (14) and can be fixed to the first rail (8) via retaining clamps (20) arranged on the processing unit (12), wherein the processing unit (12) has a base body (24) with respect to which a milling device (16) is displaceable in three mutually perpendicular spatial directions, so that machining of the rail (8), in particular milling of an elongated hole in the bottom (44) of the grooved rail, can be carried out by means of a milling head (18) of the milling device (16).