Cutting head of coal rock information in transient temperature feedback of coal rock cutting and using method

Abstract

The invention provides a cutting head of coal rock information in the transient temperature feedback of coal rock cutting and a using method, and belongs to the technical field of mining machines. Thecutting head of the coal rock information in the transient temperature feedback of coal rock cutting comprises a roller, a cutting pick assembly and a wireless transmitter; the cutting pick assemblycomprises a cutting pick, a pick base, a thermocouple, a flexible buffering sleeve, a threaded column, a nut, a protective box, a miniature voltmeter and a miniature ammeter; the cutting pick is installed in the pick base, and a middle hole and an inner threaded hole are formed in the cutting pick; the flexible buffering sleeve is installed in the middle hole, the thermocouple is installed in theflexible buffering sleeve, the thermocouple is connected with the threaded column, the threaded column is installed in the inner threaded hole, and the threaded column is connected with the nut; the protective box is fixed on one side of the nut, the miniature voltmeter is arranged between the positive pole and the negative pole of the thermocouple, and output positive pole and the output negativepole of the miniature voltmeter are electrically connected with the wireless transmitter; and the miniature ammeter is arranged on the positive pole output end or the negative pole output end of thethermocouple, and the current output end of each miniature ammeter is electrically connected with the wireless transmitter.

Description

technical field [0001] The invention relates to the technical field of excavating machines, in particular to a cutting head for coal and rock cutting transient temperature feedback coal and rock information and a use method. Background technique [0002] At present, in the process of coal mining and digging, there are gangue or rock formations with high hardness in the coal seam, resulting in uneven hardness of the coal and rock mass. According to the hardness grade of coal rock, there are generally extremely hard coal seams, hard coal seams, and medium hard coal seams. , soft coal seam, extremely soft coal seam and other categories. At present, when the shearer is mining coal, there is no information feedback on the cut coal rock, and the hardness level of the cut coal rock cannot be detected in time. The cutting head of the shearer will only The artificially set cutting parameters cut the coal and rock, so the phenomenon that the cutting head adopts the same cutting parame...

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Problems solved by technology

[0002] At present, in the process of coal mining and digging, there are gangue or rock formations with high hardness in the coal seam, resulting in uneven hardness of the coal and rock mass. According to the hardness grade of coal rock, there are generally extremely hard coal seams, hard coal seams, and medium hard coal seams. , soft coal seam, extremely soft coal seam and other categories. At present, when the shearer is mining coal, there is no information feedback on the cut coal rock, and the hardness level of the cut coal rock cannot be detected in time. The cutting head of the shearer will only The artificially set cutting parameters cut the coal and rock, so the phenomenon that the cutting head adopts the same cutting parameters to cut the coal and rock may cause the cutting head to break and the pick Falling off, etc., seriously affects the progress of the excavation project and coal mining efficiency, and increases the construction cost during the excavation process

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