Longwall mineral mining installation
A mineral mining installation comprises a longwall conveyor, a plough movable to and fro along a guide fixed to the face side of the longwall conveyor, and a drive station at one end of the longwall conveyor. The drive station includes a drive frame supporting drive means for driving the longwall conveyor. A support beam is provided at the goaf side of the drive station. The support beam extends substantially parallel to the drive frame. A floor plate extends beneath the drive frame. The goafside end portion of the floor plate is supported on the support beam by means of a lifting device, whereby the goaf-side end portion of the floor plate can be moved up and down relative to the support beam by the lifting device.
- Assignee:
- Gewerkschaft Eisenhutte Westfalia (Germany, Federal Republic Of)
- Patent Number(s):
- US 4389072
- OSTI ID:
- 5729216
- Resource Relation:
- Patent Priority Date: Priority date 3 May 1980, Germany, Federal Republic of (F.R. Germany); Other Information: PAT-APPL-257033
- Country of Publication:
- United States
- Language:
- English
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Longwall mineral mining installation
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