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Post time:2019-06-21  Hits:
The total installed power of MG180/420-WD series AC traction shearers is 351.5 kW, 377.5 kW and 417.5 kW respectively. The cutting power is 2*150 kW, 2*160kW and 2*180 kW respectively. The traction power is 2*25 kW and the motor power is increased by 7.5 kW. The AC variable frequency speed regulation system is adopted to control the shearers.
Traction speed of Shearer
MG180/420-WD series AC haulage shearers adopt multi-motor driving transverse arrangement. Pin axle of cutting rocker arm is connected with haulage part. Left and right haulage parts and intermediate boxes are connected with high strength hydraulic bolts. The transverse asynchronous traction motor in the traction reducer provides 420 kN traction force for the shearer through the traction mechanism. The middle control box is equipped with an elevation pump station, an electric control, a transformer and a water valve. Each main component can be pulled out from the side of the old pond, which is easy to maintain and replace.
It can be used in mines where the concentration of coal dust and methane explosive gases in the air does not exceed the safety content stipulated in the Safety Regulations for Coal Mines, and it can work reliably when the altitude is not more than 2000 m, the temperature of surrounding media is between - 5 ~40 ~C and the air humidity is not more than 95% (at + 25 ~C).
The shearer is suitable for supporting the corresponding hydraulic support and various types of face conveyors to realize comprehensive mechanized coal mining or fully mechanized top coal caving mining. It can also be matched with the corresponding face conveyor, single hydraulic prop, long steel beam or metal articulated beam to achieve new high-grade general mining.
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