PERMAGLIDE® plain bearings Locking mechanism parts on semitrailers
Sector: Utility vehicle production
Product used
Function
The fifth-wheel coupling connects the trailer of a semitrailer with the towing vehicle with a secure but rotatable connection. When the towing vehicle is moving in reverse, the kingpin of the trailer is pushed into the coupling. A locking mechanism locks the fifth-wheel coupling automatically. It is now in travelling position. A breech wedge secures the kingpin. To uncouple, the locking mechanism is released with a hand lever. During the release action, the locking mechanism parts move into retraction position. The towing vehicle is uncoupled from the trailer.
Bearing in ifth-wheel coupling with PERMAGLIDE® P180 plain bearing bushes
Advantage: reliable function of the bearingwith PERMAGLIDE® P180 plain bearings
- High durability
- Low wear
- High durability
- Insensitive to shocks and impacts
- Insensitive to dirt and moisture
- Optimum corrosion protection
- No tribocorrosion
Bearing of the locking mechanism parts with PERMAGLIDE® P180 plain bearing bushes
The fifth-wheel coupling is subjected to impacts, vibrations, dirt and moisture during travel. For the bearing in the fifthwheel coupling, plain bearings must be robust and highly stressable and work smoothly even if the fifth-wheel coupling is not used frequently. For the bearing, PERMAGLIDE® P180 plain bearing bushes are pressed into the locking mechanism parts. The PERMAGLIDE® plain bearings work reliably and smoothly even under difficult operating conditions over the entire service life. The plain bearings are protected from corrosion and are subjected to extremely low levels of wear. The axes are made from steel – using PERMAGLIDE® plain bearing bushes means that no tribocorrosion occurs.
1) Tension spring
2) Circlip
3) Hand lever
4) Coupling lock
5) Coupling hook
6) Breech wedge
PERMAGLIDE® P180 plain bearing bush