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Synchronisation of gates motion

Synchronisation of gates motion

Synchronisation of gates motion

(OP)
Hi,

Any suggestion would be highly appreciative concerning the synchronisation of gates motion. (see attached picture). Which mechanism should I use for the synchronization. Chain mechanism or a threaded rod or else.


Thanks and regards,
 

RE: Synchronisation of gates motion

If I am reading the picture correctly, it appears that gate 1 is the driven gate and that gate 2 is to follow it.  In this case, I would use a solid linkage, such as threaded rod.

RE: Synchronisation of gates motion

Or you could use dual gear tooth racks with a pinion in between or you could ...

RE: Synchronisation of gates motion

Didn't Thomas Jefferson or Ben Franklin incorporate something like this in the interior doors of his house??

RE: Synchronisation of gates motion

What is meant by "synchronisation?"  The gates are exactly at the same reflected angle throughout the motion? Or that the gates end in the same reflected angle at the same instant?  Or that the gates end at the same reflected angle eventually?

I can envision gross differences in position based on frictional variations at the pivots.  A chain seems more positive in assuring rotation at each wing.  One question is what real estate is available to accomplish the motions?   

RE: Synchronisation of gates motion

hmm.
You realize if you use a coupler link as in the pic that it becomes a 4-bar analysis.
Depending on the position of the coupler link and the length of the coupler the motion of the input and output gate may not be perfectly synchronized (or even very different). You will have to analyze it accordingly.
Perfect synchronization is easier with a simple sprocket and chain or timing belt and pulleys. You can use zero backlash sprockets to eliminate variational pose error when changing direction.

I am not saying it is not possible with a link. Just pointing out the problem.

cheers

peace
Fe

RE: Synchronisation of gates motion

(OP)
@miketheengineer: u r right but I 'think' it will change the whole pneumatic diagram which is costly. What do u think?

@dvd: By writing synchronisation, I mean angles should be the same for both gates in both closed and open conditions. The answer to ur last question is that a pneumatic cylinder originates the motion of whole structure.

RE: Synchronisation of gates motion

If I remember they used ropes or chains and gears or pulleys.  Still works today!!

RE: Synchronisation of gates motion

"I mean angles should be the same for both gates in both closed and open conditions"

You will have problems with this requirement as I see your intent.  

peace
Fe

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