Provided is a back stop for a crane which eliminates operator's discomfort and adverse effects on surrounding environment due to generation of abnormal noise and enables greasing work to be facilitated. A back stop 40 includes an outer casing 41 having a base end portion turnably connected to a boom or a crane main body and an opening portion 44 opened in the outer casing front end portion; an inner casing 42 having a base end portion turnably connected to the crane main body or the boom and having a front end portion side slidably fitted into the outer case 41 through the opening portion 44; and a greasing tube 51 arranged in the outer casing 41 or the inner casing 42. An inlet 56 of the greasing tube 51 is arranged outside of the outer casing 41 or outside of the inner casing 42 on the base end portion side on which the greasing tube 51 is arranged. A discharge port 61 of the greasing tube 51 is attached to a front end portion of the inner casing 42.
BACK STOP FOR CRANE
HINTERER ANSCHLAG FÜR EINEN KRAN
BUTÉE ARRIÈRE POUR GRUE
2020-11-11
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |