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What are the main structures and components of scraper conveyor

Number of visits: Release date: July 27, 2020 11:14 source: admin

Scraper conveyor can be used for horizontal transportation and inclined transportation. When the coal seam is transported upward along the incline, the inclination angle of the coal seam shall not exceed 25 ° and that of the downward transportation shall not exceed 20 ° and the anti-skid device shall be installed when the coal seam dip angle is large. Flexible scraper conveyor is allowed to bend 2 ° to 4 ° in horizontal and vertical direction.

   Scraper conveyor The working principle of the system is that the open chute is used as the bearing part of coal, gangue or material, and the scraper is fixed on the chain (forming scraper chain) as the traction component. When the head drive part is started, the chain wheel on the head shaft of the belt conveyor rotates to make the scraper chain circulate and move the animal material along the chute until it is unloaded at the head of the machine. The scraper chain bypasses the chain wheel and operates in stepless closed cycle to complete the conveying of materials.

The main structure and components of various types of scraper conveyor are basically the same, which is composed of head, middle part and tail part.

 Scraper conveyor structure

In addition, there are hydraulic jack device for pushing conveyor and chain tightening device and other accessories. The head is composed of head frame, motor, hydraulic coupler, reducer and sprocket. The middle part is composed of transition groove, middle groove, chain and scraper. The tail part of the machine is a device for the scraper chain to return. The tail of heavy-duty scraper conveyor is the same as the head, and it is also equipped with power transmission device. It is called upper head and lower head from the installation position.

According to the layout and structure of scraper conveyor chute, it can be divided into parallel type and overlapping type. According to the number and arrangement of chains, it can be divided into four types: single chain, double side chain, double center chain and three chain.



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