The configuration and influencing factors of the self-aligning roller of belt conveyor

In the design of belt conveyors, in order to prevent the deviation of the conveyor belt of the fuselage, it is often necessary to configure a certain proportion of self-aligning rollers, but there is no clear regulation on how to configure it reasonably. In the actual configuration, it is usually determined by the conveyor designer based on his own design experience. The following discusses the general configuration principles of the belt loading conveyor self-aligning roller and the influencing factors to be considered during configuration. 1. General configuration principles (1) Among the supporting rollers, the trough-shaped roller is the standard roller, which is the most used, followed by the trough-shaped forward tilt, and the self-aligning roller is the least. The usual configuration is as follows: ①The ratio of trough-shaped idler to forward-inclined idler is 4:1, that is, there is 1 set of groove-shaped forward-inclined idler in every 5 sets of grooved idler. ②The ratio of groove-shaped roller to groove-shaped self-aligning roller is 9:1, that is, there is 1 group of self-aligning roller in every 10 groups of groove-shaped upper rollers. ③The ratio of groove-shaped idler, groove-shaped forward-inclined idler and groove-shaped self-aligning idler is 10:2:1, that is, every l3 group of groove-shaped upper idler has 2 sets of forward-inclined idlers and 1 set of self-aligning idlers. Roller usually adopts 5:2:5:1 method when installing. (2) Return roller In the return roller group, the standard roller is the parallel lower roller, and there are also two-roller V-shaped roller group and reverse V-shaped roller group, which can prevent the lower conveyor belt from deviating. effect. There are V-shaped forward rollers and lower centering rollers with corrective effect. The usual configurations are as follows: ①The ratio of parallel lower rollers and V-shaped forward rollers is 7:3, that is, every 7 sets of parallel lower rollers are set. 3 sets of V-shaped forward rollers. ②The ratio of the parallel lower idler to the lower centering idler is 9:1, that is, there are l sets of centering idler in every 10 sets of parallel lower idlers. ③The ratio of parallel lower rollers, V-shaped rollers and lower centering rollers is 10:2:1, that is, there are 10 sets of parallel lower rollers, 2 groups of V-shaped rollers, and 1 set of lower centering rollers in every 13 groups of lower rollers. The roller is usually installed in a 5:2:5:1 method. 2. Influencing factors that need to be considered when configuring (1) External factors External factors mainly consider the installation of equipment, manufacturing quality and the geological conditions of the equipment foundation, etc., belt conveyors with large manufacturing and installation errors and unstable geological conditions , The configuration ratio of the self-aligning roller should be increased as much as possible in the design, and on the contrary, it should be reduced as much as possible. (2) Intrinsic factors Intrinsic factors are mainly in the design of the basic parameters of the conveyor, such as belt speed, transport distance, number of receiving points, receiving method, etc. Generally, the higher the belt speed and the longer the transport distance, the configuration ratio of the self-aligning roller should be reduced as much as possible. The more material receiving points and the larger the overlapping angle of the material, the configuration of self-aligning roller should be increased as much as possible. In the design of the belt conveyor, the relevant information of the user unit, manufacturer, installation unit, etc. should be comprehensively considered to ensure that the configuration of the self-aligning roller is reasonable, economical and practical, and avoid blind configuration.

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