Control apparatus for inclination of longwall guide

Patent · Tue Jul 31 04:00:00 EDT 1984

OSTI ID:6329754

Rafael, W; Pfefferle, E

Apparatus for controlling the cutting horizon of a mineral winning plough comprises means for pivoting the guide along which the plough moves. The guide is fixed to the face side of the conveyor, and said means acts on the goaf side of the conveyor. Said means comprises a plurality of control devices, each of which has an upstanding plate fixed to the goaf side of the conveyor, an abutment member pivotally connected to the base of the upstanding plate, and an actuator arranged between the abutment member and the upstanding plate. The actuators are effective to pivot the conveyor relative to the abutment members. Each actuator comprises a hydraulic ram and a toggle linkage which magnifies the working stroke of the ram.

• Assignee: Gewerkschaft Eisenhutte Westfalia (Germany, Federal Republic of)
• Patent Number(s): US 4462637
• OSTI ID: 6329754
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
012000* -- Coal
Lignite
& Peat-- Mining
CONTROL EQUIPMENT
CONVEYORS
DESIGN
EQUIPMENT
HAULAGE EQUIPMENT
LONGWALL MINING
MATERIALS HANDLING EQUIPMENT
MECHANICAL STRUCTURES
MINE ROADWAYS
MINING
MINING EQUIPMENT
POWERED SUPPORTS
PUMPS
SUPPORTS
TUNNELS
UNDERGROUND FACILITIES
UNDERGROUND MINING