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Industry News

Frame analysis of belt conveyor

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Update time : 2022-11-30 16:57:28
Belt conveyor can be selected according to local conditions in the form of straight line, curve, slope and other line body transportation, belt conveyor can also be transported in electronic plastics, food, light industry, chemical and pharmaceutical industries. According to the different needs of conveying materials can also carry out continuous operation, beat operation, variable speed operation and other control methods.
Belt conveyor all kinds of materials commonly used mechanical conveying equipment, often adopt steel plate welding structure. Belt conveyor is mainly composed of frame, roller, driving device, tensioning device, reversing device, braking device and cleaning device.
The frame of belt conveyor is divided into head frame, tail frame, middle frame and support leg, tensioning device frame, driving device frame and so on. The plates and profiles used by the frame must be made of high quality steel, and disposed through the steel shot peening pre-treatment process. (The errors of the frame manufacturing and installation lead to the deviation between the center line of the belt conveyor and the theoretical center line, which will lead to the deviation of the conveyor belt; The frame stiffness design is poor, or jerry-built, or the wrong material, will lead to the conveyor belt deviation).
The longitudinal center line of the frame and the longitudinal center line of the conveyor should coincide, and the allowable deviation is less than or equal to 3mm; The linear deviation of the longitudinal center line of the frame is less than or equal to 5mm in any length; But the center line of the belt is less than or equal to 35mm on the whole length of the conveyor; The perpendicularity deviation of the ground of the frame leg building is 2 ‰; The left and right dislocation deviation and elevation deviation at the rack joints are less than or equal to 1mm. The allowable deviation of the spacing between the two sides of the middle frame is less than or equal to plus or minus 1.5mm; The elevation difference between the two sides of the middle frame is not more than two thousandths of the middle distance.
In the plane perpendicular to the longitudinal center line of the frame, the diagonal deviation of the two sides of the frame is less than or equal to plus or minus 2mm. The horizontal water of the frame is two thousandths of the width. Belt conveyor longitudinal levelness error is less than or equal to 10mm bending section roller frame spacing is half to one-third of the normal roller frame spacing.
The tail is provided with an empty section cleaner, and the head of the belt conveyor is provided with a spring cleaner. The distance between the cleaner and the conveyor belt should not be more than 2-3mm with sufficient pressure, and the contact length should be more than 85%.
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