Need help with structure of stair climbing robot

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    Robot Structure
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Discussion Overview

The discussion revolves around the mechanical design of a stair climbing robot, focusing on the structure and motion mechanisms involved. Participants explore various mechanical approaches and components necessary for achieving the desired movement.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant expresses difficulty in understanding the mechanical structure necessary for the robot's motion, specifically how the motor shaft is coupled to the overall design.
  • Another participant suggests that the sliding motion may be achieved using a belt or chain driven by stepper motors, allowing for precise movement tracking.
  • This participant also proposes an alternative mechanism involving a rack and pinion design to create the sliding motion.
  • A later reply questions the presence of motors attached to the wheels, indicating uncertainty about the overall drive system of the robot.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the specific mechanical structure or the presence of motors, indicating ongoing uncertainty and multiple competing views on the design.

Contextual Notes

Limitations include unclear definitions of the mechanical components and unresolved details about the motor configurations and their interactions within the robot's structure.

Who May Find This Useful

Individuals interested in robotics design, mechanical engineering, or those working on similar projects involving robotic motion mechanisms.

Umair Mazhar
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Im supposed 2 design a robo like this 1, but here, the mechanical part seems more tought thn the electrical and programming. I couldn’t make out what mechanical structure is being used to have this type of motion. Can anyone please help.



Here’s a start:
There r 2 motors attached in the centre part of the robot, which keeps sliding back anf forth.
But, I can’t figure out out is the motor shaft being coupled to the structure, and how does it have tht kinda motion.

 
Last edited by a moderator:
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The sliding motion looks to be from a belt or chain. Utilizing a stepper motor with a chain or belt would allow you to count how many steps it takes to move a fixed point on the chain from one end of the track to the other. The fixed point on the chain or belt is attached to a pivoting mechanism (probably another stepper motor) within the body of the robot... inside the track that it slides on is probably a wire ribbon similar to that of the inside of a printer which would power the motors for the wheels. That's just me dissecting it with my eyes though.

OR... if you don't want to use a chain or belt, you can make a rack and pinion design to create the sliding motion.
 
Last edited:
thnx
 
i can't see any motors attached to da wheels, r thr motors?
 

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