Mining Cable Bolt Load Cell

Permanent Load Monitoring Under the Tray

The Mining Anchor Cable Force Gauge sits under the tray on a rock bolt or anchor cable to monitor stress in the roof over time. When the gauge reading rises, the strata are moving and a roof-fall risk is building, so crews can act. It is a pointer-dial gauge, read by walking past, and it serves both bolt and cable monitoring in the same body.

MCZ-200 monitors 200 kN for ordinary rock bolts, MCZ-300 at 300 kN for large-diameter bolts and small cable, and MCZ-500 at 500 kN for cable. The 26 mm center hole fits bolts 16-24 mm and cable 15.24-28.6 mm. Accuracy is grade 2.5 on the 200 and 300, and grade 0.5 on the 500, which is a high precision level for roof monitoring data.

The dial face is large and the numerals clear, so a daily walk-past shows whether pressure has moved, with no power or operation required. Weights are 2.5, 2.7, and 5.0 kg for the three models, light enough to carry along the monitoring line.

MOQ is one unit. It is commonly stocked as a permanent instrument alongside roof-delamination monitoring. The gauge needs no power and no operation: crews simply read it on their daily walk past the monitoring line. It is commonly stocked as a permanent instrument alongside the roof-delamination monitoring system in bolt- and cable-supported roadways. The 26 mm center hole fits bolts 16-24 mm and cable 15.24-28.6 mm in the same body. Weights are 2.5, 2.7, and 5.0 kg for the MCZ-200, MCZ-300, and MCZ-500, with accuracy grade 0.5 on the 500 model. The pointer dial needs no power and no switch, so it reads the same on day one as after months underground. It is a common companion instrument to the roof-delamination detector in monitored bolt-supported roadways.

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