With the continuous improvement of mining technology, the modern mining engineering requires the ground control center to grasp the operation of the underground shearer in time, that is, China Coaxial Cable 1 1/4'' in bad natural working conditions, in the process of guaranteeing the normal operation of mining equipment. The working condition of mining equipment can be timely and effectively fed back to the ground control center, so that the ground control center can make a quick judgment and decision.
At present, the coal mining unit cable in the domestic market, its disadvantages are mainly reflected in the cable running signal transmission is not smooth or signal transmission, thus affecting the ground control center to monitor the work of the coal shearer, and the main reasons for this situation are as follows:
1. The working environment is harsh. The coal gangue or large coal in the working area fell and smashed the Cable, causing the cable sheath to be broken and even the internal core to be broken.
2. A certain amount of coal gangue or coal is accumulated in the cable groove, so that the cable is scratched in the process of moving, causing the cable sheath to be scratched or even broken the internal core;
3. The frequent expansion and bending of China Coaxial Cable 1 1/4 "in the field could easily cause core breaking.
In the process of coal mining, various external forces Coaxial Cable 1 1/4 "in China Coaxial Cable 1" were used to Coaxial Cable 1 1 1/4 ". These positions caused cable failures easily to be crushed and broken, which greatly shortened the service life of China Coaxial Cable 1 1/4 "". Cannot ensure its safety and reliability in the process of use; The detection model and control signal on the intelligent coal mining body cannot be transmitted in time, and the online real-time detection and monitoring cannot be realized.
China Coaxial Cable 1 1/4'' https://www.cenrf.com/Coaxial-Cable-1-14-Low-Loss.html
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