Road milling machine, in particular small milling machine, for working road surfaces

US9249545B2 · kind B2 · utility

Assignee

• Wirtgen GmbH

Inventors

• Dirk Franzmann · Hennef (Sieg), DE
• Christian Berning · Euskirchen, DE
• Philip Verhaelen
• Cyrus Barimani · Rübhausen, DE
• Günter Hähn · Rübhausen, DE

Key dates

• Filing date: May 2, 2014
• Grant date: Feb 2, 2016
• Expiry date: May 2, 2034

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E01C23/127
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

In a road milling machine, in particular small milling machine, for working road surfaces, with a machine frame, with a milling drum supported at the machine frame in a drum casing, with a milling drum drive comprising a drum gearbox mounted at the drum casing, where the drum gearbox comprises a gearbox housing with a connecting flange for mounting at the drum casing, as well as a reduction gearbox and an output shaft for driving the milling drum, it is provided for the following features to be achieved: that the gearbox housing comprises, on the underside between the reduction gearbox and the connecting flange, a cut-out dividing the gearbox housing and extending radially inwards in such a fashion that the reduction gearbox is arranged in a first housing part arranged outside of the drum casing, and the output shaft is arranged in a second housing part protruding into the drum casing.