Study on Automatic Top Coal Caving System in Fully-Mechanized Coal Caving Face

In order to meet safety and high efficiency, realize automate drawing, optimal scheme of caving coal was analyzed under the condition of different caving ratios by computer simulation. Applying the Industrial Ethernet as basic communication technologies, 1 000 MB optical fiber ring network technology was applied to the entire face. Some stationary equipments such as support controller, conveyor, reversed loader, and crushers were switched on network by the method of wired. For mo bile equipment such as shearer which was not convenient to be wired, access the network using wireless technology were switched on network to realize intelligent con trol communication in working face. It was firstly introduced that intelligent attitude control equipment coupled, bracket mounted caving intelligent attitude control equip ment coupled, caving agency attitude contral equipment and top-coal caving memory equipment was installed in top beam web horizontal section, at the end of the bea m web and inside the controller of hydraulic support. Translates to perform actions to automatic caving was realized by the detection, matching and transmission of corr elation signal.