Table 15 Comparison and analysis of sensors at different positions.

From: Analysis and construction of the coal and rock cutting state identification system in coal mine intelligent mining

 

The vibration acceleration of original position sensor / mm/s2

The vibration acceleration of the after moving sensor / mm/s2

Differ /%

At the rear end of the spiral drum of the shearer

5281.319

5176.949

1.976

The rocker arm shell

2683.499

2746.684

2.354

The connection between the drum and the shell

7725.102

7807.186

1.063

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