GUIDE FOR PLOUGH WITH CHAIN ROD Russian patent published in 2009 - IPC E21C27/34 

FIELD: mining.

SUBSTANCE: invention refers to mining, particularly to guide for plough with chain rod. The guide of the plough with chain rod consists of guiding sections which are made complex and designed to be connected between themselves by means of connecting elements providing high tensile strength and angular freedom. Also each guiding section of the plough has middle part with chain guiding channels arranged one above the other; corresponding end part is welded to each side of the middle part; this end part is made out of integral cast item with assembled one above the other sections of chain channels separated with cast-on antifriction distance element. The end sections are equipped with cast-on opened from the side of mining face pockets for connecting units which serve as connecting elements. Each end section has predominantly closed circular upper section of the chain channel where an upper section of the chain channel has conjugating projection at one of the two side parts, while an upper section of the chain channel of the other end section has responding indent.

EFFECT: increased service life of plough guide and economy of fabrication.

18 cl, 8 dwg