MY mine flame retardant rubber sheathed branch cable
MY type mine flame retardant rubber sheathed pre-branch cable (pre-branch mine rubber sheathed flexible cable), now in the coal mine, because lighting, water pump, motor need to connect branch cable, mine safety is poor, electrician manual wiring is not only poor quality, but also in case of operation error lead to gas explosion mine disaster. It is composed of MY-type main line and MY-type branch line. The main line and the branch line are connected into one body through a branch connection body. The branch connection body is equipped with an oblate branch joint connection body. The branch joint connection body and the main line are intermittently and tightly peeled and crimped.
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MY type mine flame retardant rubber sheathed pre-branch cable (pre-branch mine rubber sheathed flexible cable), now in the coal mine, because lighting, water pump, motor need to connect branch cable, mine safety is poor, electrician manual wiring is not only poor quality, but also in case of operation error lead to gas explosion mine disaster. It is composed of MY-type main line and MY-type branch line. The main line and the branch line are connected into one body through a branch connection body. The branch connection body is equipped with an oblate branch joint connection body. The branch joint connection body and the main line are intermittently and tightly peeled and crimped.
The utility model has the power distribution advantages of ordinary branch cables. The branch joint connection body adopts an annealed flat round copper connection body with high conductivity, intermittent closed peeling and crimping, and has good waterproof, moisture-proof and dust-proof performance. At the same time, it avoids the increase of contact resistance and the occurrence of short circuit between cable cores caused by the exposure of copper cores at the joint contact point in the air, thus ensuring the safety and reliability of the power distribution system. The connection body adopts flame retardant chlorinated polyethylene glue, and the joints of the connection body are neat and unified, which improves the safety of the power distribution system. This design method makes the cables used in coal mines not need to be splice back and forth multiple times to reduce the wiring errors caused by miners when connecting the main cable to the branch line.
1) The cost of insulation treatment of branch joints is greatly reduced;
2) On-site construction costs are greatly reduced;
3) The on-site construction period and time are greatly shortened;
4) On-site construction personnel and equipment are reduced; the technical requirements of construction personnel are reduced;
5) It is not limited by the space and environmental conditions of the construction site;
6) The insulation performance of the branch connection body is consistent with that of the cable body, with superior insulation performance and high reliability;
7) It has higher seismic, waterproof and fire resistance performance;
8) The power supply is safe and reliable, and the one-time effective opening rate can reach 100; 9) Wide application range and many varieties and specifications; 10) Users can easily select cables of various specifications, models, cross sections and lengths as main and branch cables. 11) It has more intuitive maintenance operability.
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