High efficient short-wall coal-winning machine

A short-wall shearer, high-efficiency technology, applied to cutting machinery, earth drilling and mining, etc., can solve problems such as poor reliability, complex structure, and difficult equipment maintenance

Inactive Publication Date: 2006-11-29
TANGSHAN BRANCH COAL SCI ACAD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The minimum body length of the short-wall shearer with the above structure is more than 3 meters. This structural size is not suitable for the coal seam working face with a le

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Embodiment Construction

[0011] The present invention relates to a short-wall shearer with a longitudinally swinging cutting arm. The longitudinal swinging means that the cutting arm swings up and down perpendicular to the direction of the coal wall. The wall shearer is also different. After the improvement, the shortest body of the shearer is achieved, and the efficient, safe and comprehensive mechanized mining of the short-wall coal seam is realized. It can be seen from Fig. 1 that the present invention is installed on the bottom conveyor 1, and its sliding chassis 6 rides on the track of the special conveyor, and can slide back and forth along the track. The traction chain 9 is driven, and the traction chain is connected with the sliding underframe, changing the oil-in direction of the motor can realize the reciprocating motion of the cutting part.

[0012] Key improvement of the present invention is the swing direction of cutting arm, referring to Fig. 1, figure 2 , the cutting arm is composed of...

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Abstract

The invention relates to a high efficiency short wall coal cutter that includes cut arm, lifting oil cylinder and sliding base frame. The cut arm is made up of cut motor, cut roller and cut reducer. The invention designs the cut arm to portrait swinging, and the cut roller to circular truncated cone. It size of the machine would sharply decrease and the entire structure is small and flexible. It has the advantages of simple structure, light weight, low cost and high efficiency.

Description

technical field [0001] The invention relates to coal mining equipment, in particular to a short-wall coal mining machine used for high-efficiency, safe and mechanized mining of short-wall coal seams, and belongs to the technical field of mining equipment. Background technique [0002] In the existing technology, the structure of the ordinary short-wall shearer is similar to that of the traditional long-wall shearer. Most of them are single-drum, and the fuselage is relatively short. Rotate to achieve the purpose of controlling the position of the drum, and the shearer drum is cylindrical. The minimum body length of the short-wall shearer with the above structure is more than 3 meters. This structural size is not suitable for the coal seam working face with a length of less than 20 meters. Moreover, due to the complex structure and many moving parts, it makes equipment maintenance difficult and costly. High cost and poor reliability. In addition, in order to realize the eff...

Claims

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Application Information

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IPC IPC(8): E21C25/06
Inventor 李建民徐春江王正华马平吴翠艳田海英解振永
Owner TANGSHAN BRANCH COAL SCI ACAD
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