when we build the prototype of our climbing which is a telescopic arm climber. our robot just slowly slipped down and fell, what possible solutions are there
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There’s quite a few solutions possible, depending on your setup.
You could add a brake, of a few different kinds, in a few different places.
You could adjust your gearing for more torque.
You could use a leadscrew instead of cable.
Could you use a gate latch?
You could have a bar sticking out on the side of your lifting mechanism that slips into a gate latch when fully compressed.
Edoga
It it even a problem if the robot slowly falls? If it takes more than 5 seconds to fall on brake mode, you still get points. If that is not enough, a higher ratio will make it harder to backdrive the motor.
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Ratchet such as a ratchet wrench.
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Depending on what climber you are using, you could even have some stationary sheet metal hooks on your robot that you latch onto the bar after you’ve lifted with your telescoping arm - it would kind of be like what some teams did in 2022 with moving arms and stationary arms
in 2020 we used literal ratcheting wrenches in order to stop our robot from slipping. I’d recommend a pneumatic ratchet if you are already using pneumatics on your robot
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This video was from before we used a ratcheting 1/2 inch wrench. The shaft of the spool was 1/2 inch hex stock. Where the red is we mounted a box wrench we could unbolt to release but only let it spin one way. Worked great!
Like this… Sorry rush editing
Hopefully this makes sense. If not feel free to ask questions. I wish I had a better picture to show with it installed.
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