Abstract
In order to avoid safety accidents caused by poor protection of hydraulic support in coal mine operation, in this research, a supercharging device based on PASCAL principle is designed. First of all, the cause of insufficient setting load of hydraulic support is analysed. Then, the hydraulic system circuit and the supercharging device structure are designed. Finally, the effect of the supercharging device based on PASCAL principle designed in this research on the setting load of the hydraulic support is simulated and verified by field tests. The results show that the supercharging device based on PASCAL principle proposed in this research has a very obvious enhancement effect on the setting load of the hydraulic support. The results of field experiments further verify that the supercharging device designed in this research can increase the setting load of the hydraulic support. This research provides a good idea for improving the protection performance of hydraulic support.
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