Compact Vertical Lift System: Alternatives to Scissor Lifts

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Compact Vertical Lift System: Exploring Alternatives to Scissor Lifts

Hi,
I'm looking to catalog relevant alternatives to my current scissor lift system. It experiences high stress upon starting its rise, then less and less as it lifts upward. There's the promising idea of screw jack lifting. I want to lift 1/4t to 1t weight range with a stroke of 40-50mm. But I'd like to hear more ideas of lifting devices which are overall less than 100mm in height, as compact as possible and fit for that tonnage lifting.
Looking forward to your recommendations,
Vel

RE: Compact Vertical Lift System Alternatives

What sort of pressure do you need? Air bag? Linear actuator? All rather vague dimensions and it doesn't seem a big movement.

RE: Compact Vertical Lift System Alternatives

You want to lift 500 lb 50mm with a device only 100mm tall? You haven't given us the overall envelope size of the weight to be lifted. Does the travel have to be guided? Are there side forces involved? What is the environment? Does the device have to fit inside the footprint of the load itself? Does it have to hold the load when power is removed? Does it have to stop at any intermediate points? Is precision an issue? Lots of unanswered questions here. Personally I like the air bag idea. Simple, reliable. It might be inappropriate to your situation. But then we don't know anything about your situation.

RE: Compact Vertical Lift System Alternatives

Pneumatic bellows are the most compact lifting devices for short strokes and relatively high forces. Manufacturers of pneumatic equipment like Festo and Parker make them.

RE: Compact Vertical Lift System Alternatives

Tsubaki - zip chain actuators and zip chain lifters

RE: Compact Vertical Lift System Alternatives

Pneumatic bellows and hydraulic jacks weren't on my list, thanks for the suggestions. Actually, forget about the context. All I want is a catalog of the most compact and especially long-life devices for vertical lift. I'm just asking for ideas of devices. Just anything that comes to your mind that's short and sturdy.

RE: Compact Vertical Lift System Alternatives

Toe jacks and wooden beams (railway sleepers etc.)

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Additional reading: 3 Key Benefits of Using a Boom Lift

Looking to lift your equipment in a more efficient way? Construction Scissor Lift can be a great resource.