Development Trend Of Conveyors
Development Trend of Conveyors
Development Trend of Conveyors
Ancient Chinese drum cars is the prototype of the modern bucket elevators and scraper conveyors; in the 17th century, people began to use aerial tramway to transport bulk materials; the mid-19th century, the modern structure of the delivery of machine appear in succession.
1868, in the UK, a belt conveyor; 1887, a screw conveyor in the United States; 1905, in Switzerland, a steel belt conveyor; inertia conveyors, in the UK and Germany in 1906.Since then, the conveyor by the impact of machinery, electrical, chemical and metallurgical industry, technological progress, and constantly improve, step by step to complete the delivery of the workshop within the development to completion within the enterprise, between enterprises, and even between cities, Material Handling, a materialhandling system mechanization and automation indispensable part of.
Conveyor generally be classified with or without traction.
Traction parts conveyors generally include traction parts, bearing components, drives, tensioning device, offered to the device and the supporting parts. Traction pieces for traction, can be used conveyor belt to pass traction chain or wire rope; bearing components for the bearing release material hopper, bracket or spreader; drive to the conveyor to the power, usually by the motor, speed reducer and the composition of the brake (stop); tensioning device generally screw and a heavy hammer, allows traction maintain a certain tension and sag, in order to ensure the normal operation of the conveyor; supporting parts for supporting the traction parts or bearing components can be idlers, rollers, etc..
With traction parts conveyor structure is characterized by: the transportation of materials mounted on the bearing components of the traction pieces link together, or directly mounted on the traction parts (such as a conveyor belt), traction around the roller or sprocket inclusive connected to form a closed loop of the no load-load branch, including the transportation of materials and not the transportation of materials branch, pulling pieces of continuous movement conveying materials.Such a wide range of conveyor and the main belt conveyors, slat conveyors, trolley conveyors, escalators, moving walkways, scraper conveyors, en masse conveyor, bucket conveyor, bucket elevator , hanging conveyors, and aerial tramway.Traction conveyor structure and composition of same, used to transport material component is not the same. Their structural characteristics: the use of rotary motion, or reciprocating motion of the working components, or the use of the media flow in the pipe so that the material forward conveying. For example, the roller conveyor components for a series of rollers, the roller rotates to transport the material; screw conveyor components for the spiral, the spiral trough in a rotary movement to push material along the trough; vibrating conveyor work component of the trough, and trough for reciprocating motion conveyor placed in one of the materials.Conveyor toward the development of large-scale, expanding the use of automated sorting of materials, reduce energy consumption, reduce pollution and other aspects of development.Large-scale aspects of the large transmission capacity, stand-alone length and the transmission angle. The length of the hydraulic transmission device has reached more than 440 km belt conveyor single length of nearly 15 km, and has two places of the B of the contact by a number of belt conveyor Road. Many countries are exploring the long-distance, large capacity for transport of materials conveyor structure.To expand the scope of use of the conveyor, the development in the high and low temperature conditions, corrosive, radioactive, flammable substances in the environment, as well as conveying hot, explosive, easy to knot groups, viscous material conveyor .With its high quality products such as Raw material mill, Limestone rotary kiln, China magnetic separator, Hammer crusher, Raymond mill, Henan Hongxing mining machinery Co.Ltd has ascended in the front rank of the world in the exporting of mining equipments.by: nicole
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