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Permanent magnet synchronous motor
The successful development of the permanent magnet internal mine hoist has completely overturned the traditional hoist. The external rotor permanent magnet synchronous motor is adopted, the permanent magnet is installed on the inner wall of the drum, as the external rotor of the permanent magnet motor, and the working winding coil is fixed on the main shaft as the motor stator. The technical features of the permanent magnet synchronous motor are multi-series, low frequency, low speed and large torque, and low frequency converter is used for speed regulation. Compared with the traditional hoist, the permanent magnet built-in mine hoist has broken through a number of key technologies, and the product technology is the international leader, which has the incomparable advantages of the traditional hoist.
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Example: The drum diameter is 1.2m, the width is 1m, and the product model of the single drum disc brake type mine hoisting winch using non-flameproof resistance speed regulation is JTP-1.2 × 1
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Floor type multi-rope friction hoist
Mainly used for coal mines, metal mines, and non-metallic mines shaft, for lifting coal, mine lifting personnel, lower materials, equipment, etc., mainly suitable for deep wells. The executive standards are AQ1036, Q/GK03, GB/T10599 and Coal Mine Safety Course. The floor type multi-rope friction hoist is to install the hoist on the ground, and its advantage is that the construction cost of the derrick is small, the initial investment of the mine is reduced and the ability to resist earthquake disaster can be improved.
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The endless rope continuous tractor is mainly composed of traction winch, tensioning device, shuttle car, tail wheel, rope pressing wheel group, rope support wheel group, etc., which are combined into a transportation system by wire rope.
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