Mining machine with releasable guide piece and the guide piece for it

US7097256B2 · kind B2 · utility

Assignee

• DBT GMBH · DE

Inventors

• Uwe Tillessen · Kamen, DE
• Norbert Hesse · Bochum, DE
• Gerhard Siepenkort · Ascheberg, DE
• Klaus Duhnke · Bochum, DE
• Adam Klabisch · Dortmund, DE

Key dates

• Filing date: Jan 20, 2005
• Grant date: Aug 29, 2006
• Expiry date: Jan 20, 2025

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E21C35/12
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A mining machine for underground mining is disclosed, particularly an extraction or coal plough. When in use, the mining machine is guided along a machine guide, said machine guide including a guide rail and a guide pawl. The guide pawl engaging around said guide rail from above wherein a guide piece is disposed between said guide pawl and said guide rail. The guide piece is releasably attached or attachable to said guide pawl and is sliding along said guide rail. According to the invention, said guide pawl has at least one support means whereassaid guide piece in its installation position is supported on said support means. Further, the guide piece with said guide pawl is fixed by means of a locking mechanism in the longitudinal direction of said guide rail.