Parallel Motion Linkage - Revision history

DT Online at 13:56, 28 August 2016

2016-08-28T13:56:29Z

← Older revision		Revision as of 13:56, 28 August 2016
Line 23:		Line 23:
	\|-		\|-
	\| [https://youtu.be/PJQEkv4UESw '''Application of Parallelogram Mechanism '''] - self-adjusting step ladder for wharfs. The steps remain horizontal as the water level rises and falls.		\| [https://youtu.be/PJQEkv4UESw '''Application of Parallelogram Mechanism '''] - self-adjusting step ladder for wharfs. The steps remain horizontal as the water level rises and falls.
	\| {{#ev:youtube\|PJQEkv4UESw\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=PJQEkv4UESw}}		\| {{#ev:youtube\|PJQEkv4UESw\|200x200\|right\|\|frame\|loop=1&autoplay=0&playlist=PJQEkv4UESw}}
	\| [https://youtu.be/9H5hSLaRPTQ '''Pantograph Mechanism '''] - OABD is a parallelogram and COE lie in a straight line with O a fixed point. Figures traced by pen E and pen C are similar and the scale factor is k.''(OE/OC = BE/BD = k = constant)''		\| [https://youtu.be/9H5hSLaRPTQ '''Pantograph Mechanism '''] - OABD is a parallelogram and COE lie in a straight line with O a fixed point. Figures traced by pen E and pen C are similar and the scale factor is k.''(OE/OC = BE/BD = k = constant)''
	\| {{#ev:youtube\|9H5hSLaRPTQ\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=9H5hSLaRPTQ}}		\| {{#ev:youtube\|9H5hSLaRPTQ\|200x200\|right\|\|frame\|loop=1&autoplay=0&playlist=9H5hSLaRPTQ}}
	\|-		\|-
	\| [https://youtu.be/pSSpjnTNbIw '''Two-Pan Balance '''] - Parallelogram mechanisms are applied for this type of balance.		\| [https://youtu.be/pSSpjnTNbIw '''Two-Pan Balance '''] - Parallelogram mechanisms are applied for this type of balance.
	\| {{#ev:youtube\|pSSpjnTNbIw\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=pSSpjnTNbIw}}		\| {{#ev:youtube\|pSSpjnTNbIw\|200x200\|right\|\|frame\|loop=1&autoplay=0&playlist=pSSpjnTNbIw}}
	\| [https://youtu.be/cVqqOeCpiz0 '''Two-Pan Balance '''] - Parallelogram mechanisms are applied for this type of balance - the violet sliding mass is moved to balance the pan such that the yellow bar is horizontal.		\| [https://youtu.be/cVqqOeCpiz0 '''Two-Pan Balance '''] - Parallelogram mechanisms are applied for this type of balance - the violet sliding mass is moved to balance the pan such that the yellow bar is horizontal.
	\| {{#ev:youtube\|cVqqOeCpiz0\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=cVqqOeCpiz0}}		\| {{#ev:youtube\|cVqqOeCpiz0\|200x200\|right\|\|frame\|loop=1&autoplay=0&playlist=cVqqOeCpiz0}}
	\|}		\|}

DT Online: Added animations

2016-08-27T16:55:50Z

Added animations

← Older revision		Revision as of 16:55, 27 August 2016
Line 26:		Line 26:
	\| [https://youtu.be/9H5hSLaRPTQ '''Pantograph Mechanism '''] - OABD is a parallelogram and COE lie in a straight line with O a fixed point. Figures traced by pen E and pen C are similar and the scale factor is k.''(OE/OC = BE/BD = k = constant)''		\| [https://youtu.be/9H5hSLaRPTQ '''Pantograph Mechanism '''] - OABD is a parallelogram and COE lie in a straight line with O a fixed point. Figures traced by pen E and pen C are similar and the scale factor is k.''(OE/OC = BE/BD = k = constant)''
	\| {{#ev:youtube\|9H5hSLaRPTQ\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=9H5hSLaRPTQ}}		\| {{#ev:youtube\|9H5hSLaRPTQ\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=9H5hSLaRPTQ}}
			\|-
			\| [https://youtu.be/pSSpjnTNbIw '''Two-Pan Balance '''] - Parallelogram mechanisms are applied for this type of balance.
			\| {{#ev:youtube\|pSSpjnTNbIw\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=pSSpjnTNbIw}}
			\| [https://youtu.be/cVqqOeCpiz0 '''Two-Pan Balance '''] - Parallelogram mechanisms are applied for this type of balance - the violet sliding mass is moved to balance the pan such that the yellow bar is horizontal.
			\| {{#ev:youtube\|cVqqOeCpiz0\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=cVqqOeCpiz0}}
	\|}		\|}

DT Online: Added animations

2016-08-27T15:59:58Z

Added animations

← Older revision		Revision as of 15:59, 27 August 2016
Line 24:		Line 24:
	\| [https://youtu.be/PJQEkv4UESw '''Application of Parallelogram Mechanism '''] - self-adjusting step ladder for wharfs. The steps remain horizontal as the water level rises and falls.		\| [https://youtu.be/PJQEkv4UESw '''Application of Parallelogram Mechanism '''] - self-adjusting step ladder for wharfs. The steps remain horizontal as the water level rises and falls.
	\| {{#ev:youtube\|PJQEkv4UESw\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=PJQEkv4UESw}}		\| {{#ev:youtube\|PJQEkv4UESw\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=PJQEkv4UESw}}
			\| [https://youtu.be/9H5hSLaRPTQ '''Pantograph Mechanism '''] - OABD is a parallelogram and COE lie in a straight line with O a fixed point. Figures traced by pen E and pen C are similar and the scale factor is k.''(OE/OC = BE/BD = k = constant)''
			\| {{#ev:youtube\|9H5hSLaRPTQ\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=9H5hSLaRPTQ}}
	\|}		\|}

DT Online: Added animations

2016-08-27T09:42:49Z

Added animations

← Older revision		Revision as of 09:42, 27 August 2016
Line 11:		Line 11:

	There are several good examples of these in action. [https://en.wikipedia.org/wiki/Pantograph '''The Pantograph'''] is a parallel motion linkage used by electric trains to pick up power from overhead cables. Another use is the Pantograph used in drawing to copy sketches. Other uses are in containers such as tool boxes and sewing boxes which open up to reveal multiple shelves and containers which need to be held horizontal.		There are several good examples of these in action. [https://en.wikipedia.org/wiki/Pantograph '''The Pantograph'''] is a parallel motion linkage used by electric trains to pick up power from overhead cables. Another use is the Pantograph used in drawing to copy sketches. Other uses are in containers such as tool boxes and sewing boxes which open up to reveal multiple shelves and containers which need to be held horizontal.


	[https://en.wikipedia.org/wiki/James_Watt '''James Watt'''] used a '''[https://en.wikipedia.org/wiki/Parallel_motion Parallel Motion Linkage'''] to ensure the movements of both the piston and the pump rod in his [https://en.wikipedia.org/wiki/Beam_engine '''Beam Engines'''] remained parallel.		[https://en.wikipedia.org/wiki/James_Watt '''James Watt'''] used a '''[https://en.wikipedia.org/wiki/Parallel_motion Parallel Motion Linkage'''] to ensure the movements of both the piston and the pump rod in his [https://en.wikipedia.org/wiki/Beam_engine '''Beam Engines'''] remained parallel.


	{{~~Construction Kits~~ Buyers Guide}}		=====Animations=====

			* Examples from '''[[2100 Animated Mechanical Mechanisms\|Nguyen Duc Thang's]]''' YouTube Channel '''[[2100 Animated Mechanical Mechanisms]]'''

			{\|
			\|-
			\| [https://youtu.be/PJQEkv4UESw '''Application of Parallelogram Mechanism '''] - self-adjusting step ladder for wharfs. The steps remain horizontal as the water level rises and falls.
			\| {{#ev:youtube\|PJQEkv4UESw\|200x200\|right\|\|frame\|loop=1&autoplay=1&playlist=PJQEkv4UESw}}
			\|}

			{{Mechanisms Buyers Guide}}

DT Online: Added Template

2016-06-01T08:44:27Z

Added Template

← Older revision		Revision as of 08:44, 1 June 2016
Line 1:		Line 1:
	[[File:MechanismsParallelMotionLinkage.jpg\|~~250px~~\|right]]		[[File:MechanismsParallelMotionLinkage.jpg\|300px\|right]]
			__TOC__


			=====Description=====

	The '''Parallel Motion Linkage''' is a special case of '''[[Four Bar Chain]]''' in which the equal in lengths of opposite sides of the parallelogram ensure that input and output motions remain parallel.		The '''Parallel Motion Linkage''' is a special case of '''[[Four Bar Chain]]''' in which the equal in lengths of opposite sides of the parallelogram ensure that input and output motions remain parallel.


			=====Features and Uses=====

	There are several good examples of these in action. [https://en.wikipedia.org/wiki/Pantograph '''The Pantograph'''] is a parallel motion linkage used by electric trains to pick up power from overhead cables. Another use is the Pantograph used in drawing to copy sketches. Other uses are in containers such as tool boxes and sewing boxes which open up to reveal multiple shelves and containers which need to be held horizontal.		There are several good examples of these in action. [https://en.wikipedia.org/wiki/Pantograph '''The Pantograph'''] is a parallel motion linkage used by electric trains to pick up power from overhead cables. Another use is the Pantograph used in drawing to copy sketches. Other uses are in containers such as tool boxes and sewing boxes which open up to reveal multiple shelves and containers which need to be held horizontal.

	[https://en.wikipedia.org/wiki/James_Watt '''James Watt'''] used a '''[https://en.wikipedia.org/wiki/Parallel_motion Parallel Motion Linkage'''] to ensure the movements of both the piston and the pump rod in his [https://en.wikipedia.org/wiki/Beam_engine '''Beam Engines'''] remained parallel.		[https://en.wikipedia.org/wiki/James_Watt '''James Watt'''] used a '''[https://en.wikipedia.org/wiki/Parallel_motion Parallel Motion Linkage'''] to ensure the movements of both the piston and the pump rod in his [https://en.wikipedia.org/wiki/Beam_engine '''Beam Engines'''] remained parallel.


			{{Construction Kits Buyers Guide}}

DT Online at 18:37, 15 February 2015

2015-02-15T18:37:39Z

← Older revision		Revision as of 18:37, 15 February 2015
Line 9:		Line 9:


			[[Category:Primary]]
			[[Category:Secondary]]
	[[Category:Linkages]]		[[Category:Linkages]]
	~~{{Template:Secondary Mechanisms}}~~
	~~{{Template:Primary Mechanisms}}~~

DT Online: Added James Watt references

2015-02-10T19:43:03Z

Added James Watt references

← Older revision		Revision as of 19:43, 10 February 2015
Line 5:		Line 5:

	There are several good examples of these in action. [https://en.wikipedia.org/wiki/Pantograph '''The Pantograph'''] is a parallel motion linkage used by electric trains to pick up power from overhead cables. Another use is the Pantograph used in drawing to copy sketches. Other uses are in containers such as tool boxes and sewing boxes which open up to reveal multiple shelves and containers which need to be held horizontal.		There are several good examples of these in action. [https://en.wikipedia.org/wiki/Pantograph '''The Pantograph'''] is a parallel motion linkage used by electric trains to pick up power from overhead cables. Another use is the Pantograph used in drawing to copy sketches. Other uses are in containers such as tool boxes and sewing boxes which open up to reveal multiple shelves and containers which need to be held horizontal.

			[https://en.wikipedia.org/wiki/James_Watt '''James Watt'''] used a '''[https://en.wikipedia.org/wiki/Parallel_motion Parallel Motion Linkage'''] to ensure the movements of both the piston and the pump rod in his [https://en.wikipedia.org/wiki/Beam_engine '''Beam Engines'''] remained parallel.

DT Online: Added link

2015-02-10T19:05:12Z

Added link

← Older revision		Revision as of 19:05, 10 February 2015
Line 1:		Line 1:
	[[File:MechanismsParallelMotionLinkage.jpg\|250px\|right]]		[[File:MechanismsParallelMotionLinkage.jpg\|250px\|right]]

	The '''Parallel Motion Linkage''' is a special case of ~~[http://en.wikipedia.org/wiki/Four-bar_linkage~~ '''Four Bar Chain'''] in which the equal in lengths of opposite sides of the parallelogram ensure that input and output motions remain parallel.		The '''Parallel Motion Linkage''' is a special case of '''[[Four Bar Chain]]''' in which the equal in lengths of opposite sides of the parallelogram ensure that input and output motions remain parallel.

DT Online: Created Parallel Motion Linkage

2015-02-10T18:16:13Z

Created Parallel Motion Linkage

New page

[[File:MechanismsParallelMotionLinkage.jpg|250px|right]]

The '''Parallel Motion Linkage''' is a special case of [http://en.wikipedia.org/wiki/Four-bar_linkage '''Four Bar Chain'''] in which the equal in lengths of opposite sides of the parallelogram ensure that input and output motions remain parallel.

There are several good examples of these in action. [https://en.wikipedia.org/wiki/Pantograph '''The Pantograph'''] is a parallel motion linkage used by electric trains to pick up power from overhead cables. Another use is the Pantograph used in drawing to copy sketches. Other uses are in containers such as tool boxes and sewing boxes which open up to reveal multiple shelves and containers which need to be held horizontal.

[[Category:Linkages]]
{{Template:Secondary Mechanisms}}
{{Template:Primary Mechanisms}}