Originally Posted by mofidi

Hello all

I'm looking for standards or cods for rail alignment tolerances in tripper rail installations.

I would appreciate any help.

thank you

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Greetings and salutations,

Is it a planned tripper or an existing unit?

track geometry is of course important and no different than on a railroad bed-

The track is welded to the frame supporting the tripper and its travels and it must be level or near level +-.5 degrees or less in my opinion.

the tripper sled is one size only and will not tolerate poor alignment.

Cleaniliness is paramount simply due to dust on the rails affecting and increasing rolling resistance.

Is it exposed? then wind loading is the major issue as the belting will act as a sail to deflect the tripper if it is not winch driven.

A veritable hornets nest of dailogue will become evident with your question but I will add my expereince.

Is the tripper wheel driven or a winch driven unit?

I like the double drum winch driven type due to its absolute simplicity and its ease of movement due to the multiple pulleys being four of them acting as additional rolling surfaces increasing the pulling power.

the electrical wiring is so much simpler and easier to manage and take care of

with a winch driven tripper as the wiring is hung on a suspended carrier cable.

I have a thread describing it here on the forum.

The only control required is the pendant control for forward and reverse movement of the double drum winch.

This allows a simple left and right chute arrangement with a divider plate used to direct the flow from one chute to the other by lifting the plate and reinstalling it to divert flow to the opposite side. under the passive head pulley of the tripper.

Is the belt drive at one end of the tripper frame or upon the tripper itself? A gravity takeup with the belt drive at one end is very simple.

lzaharis ■