This innovation is an apparatus for inspection of rail tracks without blocking the train route. The apparatus comprises an elevating unit and a retracting unit. The elevating unit has a frame mounted on a lifting mechanism and the retracting unit has a pair of arms coupled with the frame. The arms are configured to move between a protracted position and a retracted position with respect to the frame. Each arm has a guide wheel such that when the arms are moved in a protracted position, each of the guide wheels is placed on each of the rail tracks. During inspection, the frame is elevated by the lifting mechanism and the arms protract to place each of the guide wheels on each of the rail tracks, whereby the apparatus travels between the rail tracks. In the idle state of the apparatus, the frame and the arms are in retracted position allowing the apparatus to rest on the sleepers.
Figure (1) Robot in the inspection stage (2) Robot in the folded stage
Railway tracks require regular inspection and maintenance to prevent defects that can cause derailments. Traditional inspection methods, like the mega block, block train routes and require human intervention for hours leading to disruptions and inefficiencies. Hence, the need for an autonomous robot capable of inspecting railway tracks without disrupting train schedules.
- The robot is designed to autonomously fold itself, using a scissor jack mechanism that lifts the robot off the track and folds it between the rails, thereby allowing trains to pass without interrupting the inspection process.
- The robot has autonomous operation with sensors to detect approaching trains and initiate the folding process.
- Upon folding, it allows the train to move over it without any damage to the train and robot. Its robust construction allows it to withstand the weight of passing trains without damage.
- After the train passes, it aligns back on the track and resumes moving on the tracks.
- This innovation inspects the railway tracks by eliminating the need for human intervention and prevents train route blockages, distinguishing it from existing solutions that are not foldable and require manual operation.
- It uses scissor jack configuration for the lifting mechanism.
- Guide wheels are high-durability rubber or metal with rubber coating for traction.
A lab based prototype has been demonstrated.
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- The autonomous rail inspection robot enhances safety by ensuring continuous track monitoring without human intervention or train route disruptions.
- It reduces the risk of derailments, improves maintenance efficiency, and minimizes the economic impact of train delays.
- Railway transportation
- Robotics and automation
- Infrastructure maintenance
- Safety engineering
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