Bogie Holding Device With Inverted Lifting And Clamping
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Solution Overview
Problem
Current bogie handling and maintenance systems pose challenging working conditions for maintenance personnel, with risks of physical strain and injury from loose parts, limited access, and inefficiencies due to the need for multiple workstations and logistical complexities.
Innovation Solution
A holding device comprising two system parts with lifting devices and storage devices that allow for secure grasping and manipulation of bogies by their wheels, enabling convenient maintenance and repair without overhead work, using clamping mechanisms and drive units for precise control and access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bogies are handled using conventional lifting systems that act on the vehicle frame or require overhead work, then the bogie can be dismantled and maintained, but the maintenance personnel experience considerable physical strain and face safety risks from loose parts
Solution Approach 1:
Instead of lifting the bogie from above (overhead work), the invention inverts the approach by lifting the bogie from below using a lift truck that drives into a tunnel underneath the bogie. The spindle lifting table raises the bogie from the ground level, eliminating the need for personnel to work overhead and thereby reducing physical strain and safety risks.
Solution Approach 2:
The invention introduces an intermediary structure - a tunnel underneath the bogie that houses the lift truck and lifting mechanism. This tunnel serves as a mediator that allows the lifting system to access the bogie from below without requiring personnel to position themselves in dangerous overhead locations, thus improving safety while maintaining operational capability.
2Adaptability or versatility
If multiple workstations are used for different maintenance tasks on bogies, then all necessary maintenance work can be performed, but this requires considerable space, time delays for transfer between stations, and significant investments
Solution Approach 1:
The holding device is designed as a universal platform that can accommodate all types of maintenance work on a single workstation. The bogie holding and positioning mechanisms are configured to allow access to all bogie components from various directions, enabling wheel set replacement, bearing maintenance, and other tasks to be performed at one location rather than requiring transfers between multiple specialized workstations.
Solution Approach 2:
The invention merges multiple maintenance functions into a single integrated workstation. By combining the bogie holding mechanism, lifting capability, and positioning systems in one device, it consolidates what would traditionally require separate workstations into a single multi-functional platform, thereby reducing space requirements and eliminating transfer time between stations.
3Ease of operation
If conventional lifting systems are used to raise and lower bogies, then the bogie can be accessed from different positions, but the maintenance work must be planned in advance with limited flexibility due to logistical constraints
Solution Approach 1:
The holding device incorporates dynamic positioning capabilities that allow the bogie to be rotated and positioned at different angles during maintenance. The lifting and rotation mechanisms can be adjusted in real-time based on which components need attention, providing flexibility to adapt to unexpected defects discovered during maintenance rather than requiring pre-planned fixed-position access.
Data Source
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AI summary
The device (10), which serves to hold and manipulate a bogie (9), comprises two system parts (1A, 1B), each having a lifting device (4) by means of which the bogie (9) can be lifted. The two system parts (1A, 1B) each hold two bearing devices (2) such that the bearing devices (2A; 2B) of each system part (1A, 1B) are displaceable vertically along the associated lifting device (4) and preferably relative to each other and relative to the adjacent system part (1B or 1A), and that one wheel (90) facing the bogie (9) positioned between the system parts (1A, 1B) can be stored and clamped in each of the bearing devices (2).