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Author Topic: Yard gate operation and usage  (Read 4368 times)

gomezz

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Yard gate operation and usage
« on: 31-01-20, 12:35PM »
Our store for years has had problems with the yard gate mechanism failing and being fixed, failing and being fixed over and over.  We have now recently gone the whole hog and had the whole gate replaced with a new one.

But, we have been told that the reason the old gate kept failing was the dot.com vans were driving through before the gate had fully opened breaking the sensor beam and stressing the gate mechanism.  I find it hard to believe this is true and if it is true it is down to a badly designed gate control mechanism.

For now, we will go by the book and wait for the gate to be fully opened - the new one has a flashing red light that we treat like a stop light - and wait to see what excuse they come up with when this new gate breaks down.
"The progress of the kart is more important than its direction"

Teddybonkers

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Re: Yard gate operation and usage
« Reply #1 on: 31-01-20, 01:17PM »
zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

hesketh

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Re: Yard gate operation and usage
« Reply #2 on: 31-01-20, 01:43PM »
The beams across the gate act as an emergency stop. This is not the controlled, soft stop it receives at either end of it's travel. In a genuine emergency a soft stop might not be quick enough so the gate control cannot be altered in such a way.

Repeated emergency stops will definitely stress the mechanism causing clutch and motor failures.

You get paid by the hour, just take a breath and wait a few seconds.....
Don't take life too seriously, no one has ever gotten out alive!

Nomad

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Re: Yard gate operation and usage
« Reply #3 on: 31-01-20, 05:04PM »
The cure: redesign and improve the durability of the clutch and motor.
Nomad ( Forum Admin )
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hesketh

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Re: Yard gate operation and usage
« Reply #4 on: 31-01-20, 06:45PM »
Or employ drivers who can follow a simple instruction........
Don't take life too seriously, no one has ever gotten out alive!

mexicopete

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Re: Yard gate operation and usage
« Reply #5 on: 31-01-20, 07:03PM »
What about all the other vehicles that use the gate without waiting for them to be fully open  :question: :question: Asking for a friend. ;) ;)
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gomezz

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Re: Yard gate operation and usage
« Reply #6 on: 01-02-20, 12:11AM »
Why would the gate need to do an "emergency" stop when it is opening and detects movement in the ever widening gap?
"The progress of the kart is more important than its direction"

alf

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Re: Yard gate operation and usage
« Reply #7 on: 01-02-20, 02:49AM »
Overly cautious, though considering that you and your colleagues struggle with using a gate, it is probably for the best.

genome

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Re: Yard gate operation and usage
« Reply #8 on: 01-02-20, 07:52AM »
Because It'll use the same circuit as it does when closing.
 

gomezz

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Re: Yard gate operation and usage
« Reply #9 on: 01-02-20, 10:47AM »
@alf Why do you think driving through a wide enough gap in an opening gate means the drivers are struggling?  It is saving time for both the driver and the gate operator. 

@genome So I was right to assert the gate mechanism is badly designed.

In any case the gate was opened partway to allow the vans through so the gate was not actually moving when the vans drove through which suggests the "emergency" stop theory is nonsense.
"The progress of the kart is more important than its direction"

gomezz

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Re: Yard gate operation and usage
« Reply #10 on: 01-02-20, 10:51AM »
Anyway as I anticipated the time taken to fully open the gate is a minor irritation compared to the time it can take for a back door guy to respond to the alert bell.  Was waiting 15 minutes last night before I called Duty and was close to parking up outside as it was getting close to the end of my shift.  :(
"The progress of the kart is more important than its direction"

alf

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Re: Yard gate operation and usage
« Reply #11 on: 01-02-20, 03:01PM »
So the goalposts (or fence posts in this case) have changed from using the gate whilst it's still opening, to actually we only used it when it was partly open. Convenient that.

Don't play coy, you work in a store I work in a store, I imagine most of the posters so far worked in a store or still do.

I watch on a regular occurance the impatient drivers (not just Dotcom mind) driving through a barely big enough gap as the gate is opening.

gomezz

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Re: Yard gate operation and usage
« Reply #12 on: 01-02-20, 05:16PM »
Well yes, we stopped driving through when the gate was still moving when we were first told it was a problem years ago.  Didn't stop the gate from repeatedly breaking down after that. It is only now that the gate needs to be full open first.
« Last Edit: 01-02-20, 05:17PM by gomezz »
"The progress of the kart is more important than its direction"

helpme

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Re: Yard gate operation and usage
« Reply #13 on: 01-02-20, 08:10PM »
We had the exact same thing happen in our store. After all the usual BS from management one of the engineers sent out to repair it told us the simple fact that it is down to the spec laid down by Tesco. To try and save money they specify a motor which isn't rated for the size of gate being used and burns them out within weeks of being fitted.

Nomad

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Re: Yard gate operation and usage
« Reply #14 on: 01-02-20, 09:27PM »
Like I said.  The cure: redesign and improve the durability of the clutch and motor.
Nomad ( Forum Admin )
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alf

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Re: Yard gate operation and usage
« Reply #15 on: 01-02-20, 10:09PM »
We're misusing equipment, why does it keep breaking.. Wahhhh

gomezz

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Re: Yard gate operation and usage
« Reply #16 on: 01-02-20, 10:21PM »
@helpme Yes, a maintenance man told us about the underspeccing of the motor as well which sounds so much more believable.
"The progress of the kart is more important than its direction"

gomezz

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Re: Yard gate operation and usage
« Reply #17 on: 01-02-20, 10:24PM »
@alf If what we were doing was wrong why is there no sign on the gate warning of correct usage?  Relying on word of mouth to pass the message on from driver to driver is hardly a reliable method for ensuring they all get told.
"The progress of the kart is more important than its direction"

alf

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Re: Yard gate operation and usage
« Reply #18 on: 02-02-20, 12:56AM »
Are you actually serious, you need a sign/policy on to use a gate...


gomezz

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Re: Yard gate operation and usage
« Reply #19 on: 02-02-20, 10:57AM »
No.  There should be a sign saying the gate is badly designed and engineered.  to be honest until I started this thread I was not even aware of the stupidity of an "emergency" stop on an automatic gate that overstresses it to the point of failure.

We use many automatic gates at customer's houses and guess what, their failsafe is to open if approached while closing and do not shudder to a halt in a quivering heap and there has never been an instance of failure of those gates being reported to the company as the delivery driver's fault.
« Last Edit: 02-02-20, 11:02AM by gomezz »
"The progress of the kart is more important than its direction"

alf

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Re: Yard gate operation and usage
« Reply #20 on: 02-02-20, 04:11PM »
Commercial gates are larger and heavier, and I doubt your Home user will have several or more Dotcom vans going in and out on a frequent basis, on top of other users.

This isn't complicated, mechanical devices wear, the more stress you put upon them the quicker they wear.

You can argue against the purpose of a emergency stop whilst opening if you want, but it's not beyond reason that something could become entangled in the gate and dragged by that opening gate.


To quote Hesketh "just take a breath and wait a few seconds."
Because if that advice was followed the "stupid" emergency  stop would not even be an issue, this is a problem of your own creation.

gomezz

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Re: Yard gate operation and usage
« Reply #21 on: 02-02-20, 07:42PM »
Glad we have an expert in gate engineering on board.
"The progress of the kart is more important than its direction"

alf

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Re: Yard gate operation and usage
« Reply #22 on: 02-02-20, 09:13PM »
Thought that was nomad or yourself.

"the gate is badly designed and engineered"

"Like I said.  The cure: redesign and improve the durability of the clutch and motor."

Nomad

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Re: Yard gate operation and usage
« Reply #23 on: 03-02-20, 10:31AM »
With today's technology/electronics anything that is not designed/built to withstand a few people who may be a little impatient is poor design/build.

Like most things some are built to last, some are built down to a price.
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kaled78

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Re: Yard gate operation and usage
« Reply #24 on: 04-02-20, 09:26PM »
our store does not have an electric gate,all the .com drivers have their own key to let themselves in and out,there was talk of an electric gate replacing our manual one about 10 years ago,but it has never happened

 

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