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Comparing Hoist Systems: Dual Ram, Scissor, and Telescopic

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What happens here

This step delves into a comparative analysis of three common hoist systems used in dump trailers: dual ram, scissor, and telescopic hoists. The dual ram system, often found in more economical models, is noted for pushing the rear of the trailer bed, which means approximately 50% of the payload resists the lift, putting additional stress on the frame and requiring even weight distribution. The scissor hoist offers a more practical solution by pushing the front 40% of the trailer, providing better leverage for dumping, and is generally more economical than telescopic systems. The telescopic hoist is presented as the most efficient option, with a single, beefier cylinder positioned upfront. This design means all of the lifting force is directly applied to dumping the load, with minimal resistance, making it ideal for heavy, uneven loads. Additionally, the front-mounted nature of the telescopic hoist simplifies maintenance access.

Goal: Understand the mechanics and efficiency of different dump trailer hoist systems

Tools and materials

  • Dump Trailer — Illustrates the dual ram hoist system, where two cylinders push from the rear
  • Hydraulic Cylinder N/A — The core component of all hoist systems, responsible for lifting the trailer bed

What they say

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system first and foremost let's do that we offer a dual ram system which is more of your economical system a little bit cheaper you know one of the things with this system here is kind of the dual cylinders are pushing to the rear of the trailer so if you can look back there they're actually pushing that rear of the trailer so now everything in front of that so roughly 50% of your payload is resistance against what's being applied to the force so you're putting additional stress on the frame of the trailer the bed of the trailer to dump that load and it's important on this to be evenly distributed so if you get a little heavy on the front you may end up shoveling that stuff off it's just the efficiency of the pump and the cylinders you lose some of that because of the resistance and the way that's set up we come over here to the scissor hoist a little more economic a little more practical if you get a nice BP cylinder underneath there now you're coming up and you're questioning the front 40% of that trailer so now you have less payload in front of the trailer was still a resistance that's going to provide resistance against the frame and the bed of the trailer the telescopic is one of the newer ones there's only just a couple other manufacturers are now doing that suretrack was one of the first I tell people like this if you're a dump this by your hand where would you go and dump it by you're gonna walk up to the front you're gonna pick it up and dump all your payload is behind you so all the force from the pump the cylinder is actually being applied to dumping that load so all your load is behind that there's no resistance on the frame there's no resistance on the bed of the trailer everything is going to just dumping that lowest the one of the big benefits of this too is it's all out front so if you have to do maintenance or service to any of this it's right out front you can do it and not have to worry about being crawled underneath there for safety Alfre easy to maintain again this is just the most efficient becoming one of the more popular models in the industry okay can I ask you a question yeah why is this new because this is a technology that we've been using on our dump trucks and on end ups you're not gonna find anything but this technology so why is it new to dump trailer you know that's a good question and I don't have the exact answer well one sure track first started 15 16 years ago the dual Ram was the only offer that we had and that's real…

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