Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Hydraulic cylinder is the coal mine working face in the utilization rate can be said to be very high, as the hydraulic support components support the entire working face, to ensure the safe production of the working face, so important accessories how…
The middle trough of the scraper machine is also called the slop or trough is the fuselage of the scraper conveyer, which is composed of the middle plate and the groove side steel, etc. The upper trough to transport coal and the lower trough for the…
Sprocket assembly and scraper chain as the important transmission configuration of scraper conveyor, if there is a fault, it may affect the normal operation of underground coal mining work. So how do you deal with such situations? The sprocket assembly…
The working position of the beam of the coal mine scraper conveyor is located in the middle part of the scraper conveyor. The chain and the scraper are fixed together to form the scraper chain by cooperating with the single-head bolt. Therefore, the…
The gear rail is located above the central trough of the scraper conveyor, and the planet wheel of the shearer drives the shearer to walk on the pin rail through meshing with the tooth surface of the gear rail. Therefore, the design requirements of the…