Fig. 1. System diagram of rod turntable oil detection device

Fig. 2. Structure diagram of double turntable mechanism. (a) Side view; (b) front view

Fig. 3. Schematic diagram of electrode wear gap change of two structures. (a) Rod turntable structure; (b) double turntable structure

Fig. 4. Structural diagram of two-dimensional axisymmetric model

Fig. 5. Grid division of two-dimensional axisymmetric model structure

Fig. 6. Equivalent circuit structure of arc excitation model

Fig. 7. Comparison of arc excitation temperature between rod turntable model and double turntable model. (a) Instantaneous excitation temperature of rod turntable electrode; (b) instantaneous excitation temperature of double turntable electrode

Fig. 8. Experimental diagram of rod turntable electrode device

Fig. 9. Rod electrode wear diagram

Fig. 10. turntable electrode wear diagram

Fig. 11. Effect of oil film thickness on arc excitation

Fig. 12. Effect of extrinsic motivation on arc excitation

Fig. 13. Effect of electrode gap on arc excitation