Coal mining machine provided with multiple cutting systems

Abstract

The invention discloses a coal mining machine provided with multiple cutting systems. The coal mining machine comprises a machine body, walking parts arranged below the machine body, a first cutting system used for cutting front coal or bottom coal, a second cutting system used for cutting the front coal or the bottom coal and a third cutting system used for cutting top coal, wherein a traction mechanism used for driving the walking parts to walk is further arranged in the machine body; the first cutting system is arranged at one end of the machine body, the second cutting system is arranged at the other end of the machine body, the third cutting system is arranged above the machine body and located between the first cutting system and the second cutting system; a control host used for driving the first cutting system, the second cutting system and the third cutting system to swing is further arranged in the machine body. The provided coal mining machine can realize full-seam mining, the coal mining efficiency and the coal mining clarity are improved, the cost of the working face of the coal mining machine is reduced, and resource waste is avoided.

Description

technical field [0001] The invention relates to the technical field of mining machinery, in particular to a coal shearer with a multi-cutting system. Background technique [0002] my country is a big coal production and consumption country in the world, and my country's coal production accounts for more than 1 / 3 of the world's coal production. 70% of my country's primary energy comes from coal, so coal plays an irreplaceable role in my country's energy structure. In my country's existing coal reserves and production, the production and reserves of thick coal seams both account for about 45%, which is the main coal seam for high-yield and efficient mining in my country, and has the advantage of resource reserves. [0003] Shearer is one of the important equipment to realize the mechanization and modernization of coal mine production. Mechanized coal mining can reduce physical labor, improve safety, and achieve high output, high efficiency, and low consumption. With the rap...

AI Technical Summary

Problems solved by technology

[0004] However, due to the limited mining height of currently commonly used shearers in our country, when mining thick coal seams or extra-thick coal seams, the working face is relatively narrow, which greatly reduces its coal mining efficiency and coal cleanliness, and not only improves the shearer's performance. The cost of the working surface also caused a waste of resources to a certain extent

Images