Live Swivels: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
|||
| Line 1: | Line 1: | ||
https://www.surpluscenter.com/Hydraulics/Hydraulic-Adapters-Fittings/Live-Swivels/NPT-Female-to-NPT-Female---Straight/1-2-NPTF-x-1-2-NPTF-Live-Swivel-Coupling-LV5000-08-08-9-LV5000-8-8.axd | =Live swiwels are not adequate for 360 degree Backhoes= | ||
See [https://www.surpluscenter.com/Hydraulics/Hydraulic-Adapters-Fittings/Live-Swivels/NPT-Female-to-NPT-Female---Straight/1-2-NPTF-x-1-2-NPTF-Live-Swivel-Coupling-LV5000-08-08-9-LV5000-8-8.axd] | |||
=Rotary Unions in 360 Excavator= | =Rotary Unions in 360 Excavator= | ||
Revision as of 05:02, 14 December 2020
Live swiwels are not adequate for 360 degree Backhoes
See [1]
Rotary Unions in 360 Excavator
- A specialized rotary union is used, not just a simple live swivel - [2]
- Explanation from hydraulics and pneumatics - [3]
- In real life: Infinite spin is attained. From Reddit thread - [4] -
<html><iframe width="560" height="315" src="https://www.youtube.com/embed/oUVE2PIV5_k" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> </html>
Rotating 360 Without 360 Rotary Union?
<html><iframe width="560" height="315" src="https://www.youtube.com/embed/ha2otJnU4pQ" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></html>
Backhoe vs Excavator
- Backhoe spins 200 degrees, excavator a full 360 degrees. [5]
Shopping
- $1500 for 1/2: rotary union [6]. But what about the female socket part?