Conveyor tensioning devices by the drive roller conveyor structure and composition of the central conveyor belt as traction and bearing member , whereby continuous conveyor into pieces scattered and fragmentary materials or goods . A friction drive conveyor transported materials in a continuous mechanical . Apply it, the material can be transported in a certain line, from the initial feed point to the final discharge point between the formation of a material transport processes . It can be transported granular materials , can also be transported into pieces items. In addition to the purely material handling , but also can be used with various industrial production processes required in the process of cooperating to form a rhythmic flow transport line . So the belt conveyor is widely used in modern industrial enterprise. Underground tunnel in the mine , mine ground transportation systems , open pit and concentrator , the widely used conveyor . It is used for horizontal or inclined transportation transport .
Usually by a conveyor belt conveyor , roller , roller and drive , brake , tension , bend , loading, unloading , cleaning and other equipment components.
① conveyor
There are two commonly used with rubber bands and plastic . Ctgrain Flour Mill Machine Rubber band applied between the working environment temperature -15 ~ 40 ° C. Mass temperature does not exceed 50 ° C. Transported upward inclination of Granules 12 ° ~ 24 °. Delivery available for large angle tread rubber band . Plastic belt with oil, acids, alkalis , etc., but for the poor adaptability to climate , slippery and aging. Bandwidth is the main technical parameters of belt conveyors.
② roller
Of single drum ( tape wrap angle on the drum 210 ° ~ 230 °), double drum ( wrap angle of 350 °) and multi- cylinder ( for power ) and so on . There grooved rollers , flat -shaped roller , spherical roller, roller buffer . Trough roller ( from 2 to 5 rolls composed ) supporting bearing branches to transport granular materials ; aligning to adjust the lateral position with the roller, to avoid deviation ; buffer roller mounted in place by the material to reduce material impact on the band.
③ drum
Minute drive rollers and idler pulley . Drive rollers of the main power transmission member . Of single drum ( tape wrap angle on the drum 210 ° ~ 230 °), double drum ( wrap angle of 350 °) and multi- cylinder ( for power ) and so on .
④ tensioning device
Its role is to enable the belt to achieve the necessary tension to prevent slipping on the drive roller, and to the conveyor belt between the deflection roller to ensure within a predetermined range .
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