Signal System
This signal system is a multi-level hoist signal device that uses a programmable controller for signal processing and transmission. The system consists of: a signal station at the wellhead and a signal station for each intermediate section downhole. Each section is centrally controlled by the PLC at the wellhead signal station, and only - a DP bus communication is required between each middle section to realize signal contact.
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Signal System
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Signal System
System Introduction:
This signal system is a multi-level hoist signal device that uses a programmable controller for signal processing and transmission. The system consists of: a signal station at the wellhead and a signal station for each intermediate section downhole. Each section is centrally controlled by the PLC at the wellhead signal station, and only - a DP bus communication is required between each middle section to realize signal contact.
| System Features: 1、Simple structure: connected by distributed PROFIBUS- _DP bus, less connection cable. 2、Reliable working:The device provides the relevant working mode and working execution signal to the multi-level hoist to ensure the correct operation of the hoist. 3、The hoisting system has increased the function of automatic control. 4、With "memory" function: it can "remember" the signals sent from the ground and the underground sections, including various maintenance signals. 5. Variable control program, with good flexibility: for the phased operation of the mining enterprises, this is very important, because after the change of process conditions in the underground section, etc., do not need to change the hardware of the signal system, only modify the original program to meet the new requirements. |
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Product Message
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Full digital mine hoist explosion-proof and intrinsically safe four-quadrant frequency conversion speed control system, consisting of integrated driver's operating console, mine explosion-proof and intrinsically safe four-quadrant frequency conversion speed control device, mine explosion-proof and intrinsically safe winch control box (including intrinsically safe counting sensor).
1. Main shaft and hub are entirely forged, and hub and friction spoke are connected with high-strength bolt.
2. It uses high-strength friction pad, with high frictional factor, good wear resistance and strong anti-corrosion, which absorbs vibrational energy of the wire rope, prevents twist of the wire rope, and can’t be soaked.
This product is designed and manufactured according to AQ1036-2007, "Safety Inspection Specification for Multi-Rope Friction Hoist for Coal Mine", GB/T10599-1988 "Multi-Rope Friction Hoist", "Coal Mine Safety Regulations", Q/XTD005-2010 "Multi-Rope Friction Hoist" and the current relevant mining machinery product standards. Mainly used in coal mines, metal mines, non-metallic mines ground shaft, for lifting minerals and lifting personnel, materials and equipment.
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JTP series mining hoisting is mainly used in lifting coal, ore, gangue, staff, materials, tools, equipment, etc. in silo and inclined hole. The main shaft uses split type or integral type flexible structure winding drum, with uniform load and high strength. The disc brake uses rear oil cylinder, flexibly, safely and reliably, which can’t contaminate the brake, have the functions of hydraulic delay and two-level braking, and can contact at the well head automatically. The double-drum hoist has radially tooth-type rope-regulating clutch. The transmission is equipped with planetary reducer or parallel shaft hard tooth surface reducer. The electric equipment has electric protection and interlocking device, and can be match with PLC electronic control or frequency conversion speed-regulating electronic control. Offer dynamic braking according to customer demands.
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