×

Apparatus for automatically adjusting the cutting horizon of a mining extraction apparatus

  • US 5,553,925 A
  • Filed: 03/31/1995
  • Issued: 09/10/1996
  • Est. Priority Date: 04/27/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. An apparatus for adjusting a cutting horizon of a mining machine of the type which is guided along a machine guide positioned at a mining face having a footwall rock interface, the apparatus comprising;

  • a machine guide;

    an electronic evaluation and control unit;

    a plurality of recognition sensors to detect the footwall rock interface, said sensors being connected via transmission lines to said electronic evaluation and control unit to transmit measuring signals thereto;

    a plurality of hydraulic adjusting cylinders having moveable pistons, said cylinders being connected to said electronic evaluation and control unit to receive an output therefrom and associated with said machine guide to adjust said machine guide relative to said mining face;

    wherein said plurality of recognition sensors are disposed distributed along said machine guide, said electronic evaluation and control unit processes said measuring signals to produce said output, and said plurality of hydraulic adjusting cylinders use said output to adjust said machine guide and, thereby, the cutting horizon of the mining machine.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×