Underground mining machine having temporary roof support means and roof bolting means associated therewith

Patent · Tue Apr 22 00:00:00 EST 1980

OSTI ID:5786150

Damron, E M; Lipps, J I

The mining machine consists of a main frame having a front portion and a rearwardly extending portion, and cutter heads disposed for movement across the front portion for dislodging mineral. A conveyor system is provided which extends across of the front of the main frame and along the rearwardly extending portion thereof for carrying dislodge mineral from the mine face. Forward roof support jacks, which are attached to the main frame for unitary movement therewith, provide temporary roof support as the entry is being formed. Rear roof support jacks, disposed behind the forward roof support jacks, also provide temporary roof support. Sumping cylinders, which are disposed generally parallel to the mine floor, connect the rear roof support jacks to the main frame and are used for moving the mining machine. The sumping cylinders are connected to the main frame with a universal joint connection to permit free movement of each sumping cylinder around its point of connection to the main frame. Steering cylinders, for positioning the sumping cylinders, are connected between each sumping cylinder and the main frame. Pivot jacks are provided on the main frame that extend to provide a pivot point around which the main frame can be moved by extending the sumping cylinders. The mining machine includes roof bolters, attached to the rear roof supports, for installing a series of roof bolts as the machine advances. Rib cleaners are provided for cleaning the mine ribs as the machine forms the entry.

• Assignee: Acme Machinery Co
• Patent Number(s): US 4199193
• OSTI ID: 5786150
• Resource Relation: Patent File Date: Filed date 28 Jul 1978
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
42 ENGINEERING
LONGWALL MINING
MINING EQUIPMENT
DESIGN
ROOFS
FASTENING
SUPPORTS
CONVEYORS
EQUIPMENT
FABRICATION
HAULAGE EQUIPMENT
JOINING
MATERIALS HANDLING EQUIPMENT
MECHANICAL STRUCTURES
MINING
UNDERGROUND MINING
012000* - Coal
Lignite
& Peat- Mining
420206 - Engineering- Mining & Drilling Equipment & Facilities- (1980-1989)