ADVANCING SYSTEM FOR A COAL EXTRACTION MACHINE

The advancing system for a coal winning machine comprises a guide installed along a face conveyor, and an advancing mechanism connected with the machine. The advancing mechanism is accommodated in a separate housing and has at least two successively communicating pairs of advancing hydraulic cylinde...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	NIKOLAI IGOREVICH STEPANOV, ANATOLY PAVLOVICH MARKOV, BORIS BORISOVICH KALANTAROV, EDUARD IVANOVICH FEDOTOV, ALEXANDR ABRAMOVICH PUKIS
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING MINING OR QUARRYING
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The advancing system for a coal winning machine comprises a guide installed along a face conveyor, and an advancing mechanism connected with the machine. The advancing mechanism is accommodated in a separate housing and has at least two successively communicating pairs of advancing hydraulic cylinders with slides hinged to each of said cylinders. The guide is provided with rack-type engagement elements and secured to the end heads of the face conveyor. Each one of the slides has grips for holding on the guide, and a hydraulic cylinder. Each hydraulic cylinder of the slides is connected to its fixing bar the latter being installed with a provision for being arranged and fixed between the engagement elements of the guide.