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Re: Slightly OT: automated garden gazebo inspiration
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Paul,
My initial immediate thought would be to put a counterweight system into
ea=
ch corner, lifting then becomes significantly easier, you could lift with
a=
central cord.
Stuart
On 10 Jan 2016, at 20:35, Paul Gordon paul_gordon@xxxxxxx [ukha_d] <ukh=
a_d@xxxxxxx> wrote:
> Hi all, bear with me, there IS an automation link in here, of sorts...
:-=
)
>=20
> My spring/summer project this year will be to construct a timber
framed g=
arden gazebo, approximately 4m x 6m (ish), open sides (2 sides are
sheltere=
d, 2 sides will have standard issue outdoor curtains. The plan is for this
=
to house my pool table outside for use during the summer months... There
re=
ally isn't a big enough space anywhere inside the house... In addition I
ha=
ve a half-plan to also house an electrically raised & lowered platform,
pro=
bably the full size of the internal dimension, upon which I can leave my
sl=
ot car track permanently set up for use... It's this last bit I'm seeking
i=
nspiration for...
> I already have a suitable motor.. A Powercord curtain motor, which has
au=
tomatic limit stop, and is most certainly powerful enough to raise the
weig=
ht..
> I plan for the motor to be housed way up in the apex of the roof
ridge, a=
nd via a system of ropes & pulleys be able to raise & lower the
platform...
> When raised, the platform will become a false ceiling within the
gazebo, =
it will lower to the point it sits atop the pool table which will then
beco=
me the base for the platform.
>=20
> The motor has a single pulley wheel connected to the shaft, around
which =
the pull cord from a curtain track is meant to sit... I will need to use a
=
cord larger (stronger) than a normal thin curtain pull type I suspect...
>=20
> For stability, I think I should be looking at a cord attached to each
of =
the 4 corners of the platform, rather than a single cord, and I don't
reall=
y want the cords to be "in the way" when the platform is lowered,
so I thin=
k I want to take a cord from each corner of the platform, and take it
strai=
ght up the inside surface of each of the 4 main support legs, around a
pull=
ey mounted at the top of each leg... So far so good... I now have 4 cords
I=
can pull on evenly to raise & lower the platform. I also have a half
idea =
that perhaps each corner of the platform could be fitted with a small
wheel=
which runs inside a guide channel secured to (or routed into) the inside o=
f the gazebo legs, thus further restricting it's possible movement to
strai=
ght up & down only...
>=20
> Where I'm struggling to conceptualise the mechanics, is how to get
those =
4 cords from each corner to a single motor shaft, such that the motor will
=
spool each one evenly... Anyone have any ideas or links to designs I can
lo=
ok at for inspiration?
>=20
> My other as yet unresolved question is how to effect the limit stop on
th=
e lowering cycle... Raising limit stop is easy.... But how the get the
moto=
r to stop once the platform is resting on the pool table?
>=20
> Anyone fancy a holiday in Oslo in the summer to help with
construction!?!=
:-)
>=20
> Sent from my iPad
>=20
>=20
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Paul,<div><br></div><div>My initial immediate
thought would be to put a counterweight system into each corner, lifting
then becomes significantly easier, you could lift with a central
cord.</div><div><br></div><div>Stuart</div><div><br></div><div><br></div><div><br><div><div>On
10 Jan 2016, at 20:35, Paul Gordon <a href="mailto:paul_gordon@xxxxxxx";>paul_gordon@xxxxxxx</a>
[ukha_d] <<a href="mailto:ukha_d@xxxxxxx";>ukha_d@xxxxxxx</a>>
wrote:</div><br
class="Apple-interchange-newline"><blockquote
type="cite"><div style="font-family: Helvetica;
font-size: 12px; font-style: normal; font-variant: normal; font-weight:
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sition: relative;"><div id="ygrp-msg"
style="line-height: 1.22em; z-index: 1;"><div
id="ygrp-text" style="line-height: 1.22em; font-family:
Georgia;"><p style="line-height: 1.22em; margin: 0px 0px
1em;">Hi all, bear with me, there IS an automation link in here, of
sorts... :-)<br style="line-height: 1.22em;"><br
style="line-height: 1.22em;">My spring/summer project this
year will be to construct a timber framed garden gazebo, approximately 4m x
6m (ish), open sides (2 sides are sheltered, 2 sides will have standard
issue outdoor curtains. The plan is for this to house my pool table outside
for use during the summer months... There really isn't a big enough space
anywhere inside the house... In addition I have a half-plan to also house
an electrically raised & lowered platform, probably the full size
of the internal dimension, upon which I can leave my slot car track
permanently set up for use.
.. It's this last bit I'm seeking inspiration for...<br
style="line-height: 1.22em;">I
already have a suitable motor.. A Powercord curtain motor, which has
automatic limit stop, and is most certainly powerful enough to raise the
weight..<br style="line-height: 1.22em;">I plan for the
motor to be housed way up in the apex of the roof ridge, and via a system
of ropes & pulleys be able to raise & lower the
platform...<br style="line-height: 1.22em;">When raised,
the platform will become a false ceiling within the gazebo, it will lower
to the point it sits atop the pool table which will then become the base
for the platform.<br style="line-height: 1.22em;"><br
style="line-height: 1.22em;">The motor has a single pulley
wheel connected to the shaft, around which the pull cord from a curtain
track is meant to sit... I will need to use a cord larger (stronger) than a
normal thin curtain pull type I suspect...<br style="line-height:
1.22em;"><br style="line-height: 1.22em;">For
stability, I
think I should be looking at a cord attached to each of the 4 corners of
the pl
atform, rather than a single cord, and I don't really want the cords to be
"in the way" when the platform is lowered, so I think I want to
take a cord from each corner of the platform, and take it straight up the
inside surface of each of the 4 main support legs, around a pulley mounted
at the top of each leg... So far so good... I now have 4 cords I can pull
on evenly to raise & lower the platform. I also have a half idea
that perhaps each corner of the platform could be fitted with a small wheel
which runs inside a guide channel secured to (or routed into) the inside of
the gazebo legs, thus further restricting it's possible movement to
straight up & down only...<br style="line-height:
1.22em;"><br style="line-height: 1.22em;">Where I'm
struggling to conceptualise the mechanics, is how to get those 4 cords from
each corner to a single motor shaft, such that the motor will spool each
one evenly... Anyone have any ideas or links to designs I can look
at for inspiration?<br s
tyle="line-height: 1.22em;"><br style="line-height:
1.22em;">My other as yet unresolved question is how to effect the
limit stop on the lowering cycle... Raising limit stop is easy.... But how
the get the motor to stop once the platform is resting on the pool
table?<br style="line-height: 1.22em;"><br
style="line-height: 1.22em;">Anyone fancy a holiday in Oslo in
the summer to help with construction!?! :-)<br style="line-height:
1.22em;"><br style="line-height: 1.22em;">Sent from
my iPad</p></div><div style="line-height: 1.22em;
color: rgb(255, 255, 255); height:
0px;"></div></div></blockquote></div><br></div>
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Posted by: Stuart Poulton <stuart@xxxxxxx> <hr
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