shearer

Application and scope of use of coal mining machine

The coal mining machine is suitable for mining height1.4～2.4mThe inclination angle is less than30°,Coal seam is medium hard or below medium hard,And a longwall coal mining face with a small amount of stone inclusions. The electrical equipment of this coal mining machine meets the requirements of the mining explosion-proof regulations and can be used in mines where the safety levels of methane, coal dust, hydrogen sulfide, carbon dioxide, and other substances in the surrounding air do not exceed the safety limits specified in the Coal Mine Safety Regulations.

The coal mining machine can be matched with hydraulic supports and working face scraper conveyors to achieve comprehensive mechanized coal mining on the mining face. In addition, due to the short and narrow body of the coal mining machine, it can also be matched with single hydraulic supports, metal hinged roof beams, and working face conveyors to achieve high-end mechanized coal mining on the mining face.

Composition and characteristics of coal mining machine

The coal mining machine is mainly composed of an electric motor, hydraulic transmission part, traction transmission part, cutting part, bottom bracket, height adjustment cylinder, cable towing device, etc.

Compared with similar units, coal mining machines have the following characteristics.

（1）The body length is short and narrow, with a wide range of adaptability;

（2）The main components are all according to250KWElectric motor power design, large strength margin, high reliability, replaceable electric motor can become250KWPower mining machine

（3）The drum cutting torque is relatively high and can adapt to cutting hard coal;

（4）Adopting hydraulic stepless speed regulation. Gear pin type chainless traction, smooth operation, high traction force. The traction transmission part is set at both ends of the fuselage. Due to the use of a dual traction mechanism, it not only reduces the specific pressure of the transmission gear on the pin row, improves the service life of the pin row, but also greatly increases the traction force of the whole machine. The larger traction force can reach350KN；

（5）The system is simple and reliable, with a centralized control handle for easy operation and maintenance;

（6）The oil motor and brake are arranged on the side of the old pond near the traction transmission part, which is easy to replace underground and the oil quality is not easily contaminated;

（7）The internal and external spray cooling system is adopted to improve the working face environment and the working reliability of the shearer.

（8）Using cable towing devices to protect cables and water pipes and reduce labor intensity for workers;

（9）The power supply voltage is660Vand1140VTwo options to meet the needs of different users.

（10）The control type of coal mining machine adopts power carrier control,Can reduce the control core wire,Cancel multi-core cables,And can complete multiple action functions,Ensure the safe and reliable operation of the coal mining machine.

Technical parameters of coal mining machine

Range of mining height:0.75-105m

Cut depth:0.8m、1.0m

Suitable coal hardness:f≦2.5

throughput:100-200ton/hour

Drum speed:82change/divide

Drum diameter: Ø750mm、 Ф850mm、1000mmФ

Maximum Traction Force:90KN

Rated traction force:70KN

Physical picture of coal mining machine

Due to differences in production batches and specific models, the above pictures are for reference only. For more details, please contact our sales personnel for specific verification

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