Drehgeschwindigkeitsbegrenzer für den Drehtisch eines Baggers

Details

Veröffentlichungs-Nr.

EP2784227

Aktenzeichen

EP14161742

Anmeldetag

26. März 2014

Veröffentlichung

29. Mai 2019

Erteilung

29. Mai 2019

Rechtsraum

EP

IPC

E02F9/12E02F9/20F16H1/00F16N1/00A01G23/08E02D17/13F16H57/029F16H57/04

Abstract

A shovel includes a turning drive unit. The turning drive unit includes a turning electric motor, a turning speed reducer configured to transmit the rotational driving force of the turning electric motor to a turnable body, a brake unit configured to maintain the turnable body in a state where the turning of the turnable body is stopped, a case forming a space in which the turning speed reducer and the brake unit are lubricated with lubricant oil and accommodated, a collar fixed around an output shaft of the turning speed reducer so as to rotate with the output shaft and covering at least a part of a relief part formed at a time of forming splines on the output shaft, and a sealing member provided between the collar and the case and hermetically sealing the lubricant oil inside the space.

Anmelder

Firma

SUMITOMO HEAVY INDUSTRIES, LTD.

Land

🇯🇵 Japan

Fachgebiete