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Core breaker with dust suppression system

A crusher and rock core technology, applied in cutting machinery, slitting machinery, earth drilling and mining, etc., can solve problems such as equipment danger

Inactive Publication Date: 2011-07-20
KENNAMETAL INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the coal dust becomes airborne and the gases are released into the surrounding air, this becomes a hazard to people and equipment in the immediate area

Method used

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  • Core breaker with dust suppression system
  • Core breaker with dust suppression system
  • Core breaker with dust suppression system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] According to an aspect of the present invention, with reference to these drawings, figure 1 A portion of a continuous mining machine (ie, a formation cutting assembly), generally designated 10 , is shown. The continuous mining machine 10 includes a first rotatable cutting drum 14 exhibiting a plurality of cutting tools (or drill points) 16 arranged in, for example, a helical pattern. The continuous mining machine 10 further comprises a second rotatable cutting drum 18 which also exhibits a plurality of cutting tools (or drill tips) 16 arranged eg in a helical pattern. The first cutting drum 14 is spaced apart from the second cutting drum 18 but can still be considered adjacent thereto. The cutting drums 14 , 18 are operatively connected to an electric motor 20 which drives the rotatable cutting drums 14 , 18 . A core breaker 22 is positioned between the first cutting drum 14 and the second cutting drum 18 .

[0013] According to one aspect of the present invention, w...

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Abstract

The present invention relates to a core breaker for use with a continuous mining machine used to cut earth strata, wherein the continuous mining machine has at least two spaced apart cutting drums whereby the cutting drums cuts the earth strata leaving a core. The core breaker includes an elongate support positioned mediate of the two cutting drums. The elongate support includes a channel formed therein. The core breaker further includes a plurality of tool components attached to the elongate support. The core breaker also includes a plurality of spray nozzles positioned adjacent to the tool components. In one aspect, the plurality of spray nozzles each have a first end in fluid communication with the channel formed in the elongate support and a second end positioned adjacent an outer surface of the elongate support. The tool components may be a breaker wedge or a cutting tool such as a conical bit.

Description

technical field [0001] The present invention relates to a core breaker for use with a formation cutting assembly such as, for example, a continuous mining machine. More specifically, the present invention relates to a core breaker for use with such formation cutting assemblies, wherein the core breaker incorporates a dust suppression system. Background technique [0002] As noted above, one example of a formation cutting assembly is a continuous mining machine. A continuous mining machine typically includes rotatable cutting drums that are advanced to engage the formation (eg, coal in a sediment layer) and cut or saw it into pieces. US Patent No. 3,712,679 to Amoroso shows a continuous mining machine. The stratum (eg, coal) that is cut or sawn from the coal seam falls onto the ground of the mine and is then processed in a suitable manner to remove it from the vicinity of the continuous mining machine. In a typical continuous mining machine, the cutting drums are spaced so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21C25/00
CPCE21C27/24E21C35/23
Inventor D·E·克勒J·贝斯特
Owner KENNAMETAL INC
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