Mining and bolting method and apparatus
AssigneeLee-Norse Company
InventorsWilliam E. McCracken, Gary A. Hakes
Life of this patent
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Abstract
A mining method and bolting apparatus. Material is dislodged from a mine face by means of a miner wherein the face is advanced. The dislodged material is transported from the mine face for further handling. A temporary roof support of cross beams supported by beam jacks is provided. A bolting apparatus installs bolts in the mine roof providing a permanent roof support. Cross beams and beam jacks are lowered, manually moved forward and reinstalled wherein the temporary mine roof support is advanced. The mining apparatus and bolter is advanced under the advanced temporary roof support to the advanced mine face.
Claims16
A method of mining, wherein a mining apparatus and a bolting apparatus in a mine entry is positioned near a mine face and under a temporary roof support comprised of cross beams supported by beam jacks, that comprises:
- a. dislodging material from the mine face with a mining apparatus wherein the mine face is advanced;
- b. transporting dislodged material from the mine face;
- c. installing roof bolts above the bolting apparatus to provide permanent roof support;
- d. removing a cross beam support with a lowering means on the bolting apparatus;
- e. transporting the cross beam by manual means to a lifting means on the mining apparatus;
- f. lifting the cross beam to the mine roof with the lifting means;
- g. supporting the cross beam with beam jacks wherein the lifting means is lowered and the temporary roof support is advanced;
- h. advancing the mining apparatus and the bolting apparatus towards the advanced mine face;
- and
- i. repeating steps a, b, c, d, e, f, g and h.
A method of mining according to claim 9, wherein the staples comprise a bar having a prong at one end and teeth at the other end.
A bolting apparatus which comprises:
- a. a body having a forward section and a rear section;
- b. a ground engaging means for enabling movement of the body through a mine;
- c. a conveying means for transporting dislodged material from the forward section to the rear section;
- d. a bolting means for installing roof bolts in the mine roof;
- e. a lowering means for lowering cross beams from the roof of a mine wherein beam jacks are permitted to engage the cross beams to provide support to the mine roof.
Dependencies are inferred from the claim text.