In this article the new type of belt conveyors – conveyor with a pendant belt, its advantages in comparison with standard conveyors and main trends of its developing are described. Main attention is paid for the aim of determination of the regularities of the cutout forming in dependence on the way of its loading by the transported cargo. The results of the experiments, showing that the belt’s carrying ability (capacity of the gutter) to a considerable extent depends on the cargo’s angle of scope, and also that for the most types of loads the carrying ability is used most effectively when the distance between the guide ways is about 75 % of the belt’s width. Approximating dependence describing the contour of the cutout of the loaded belt is also given.
The article considers overhead belt conveyors, their design features and advantages over typical conveyors on roller supports. The scheme of the conveyor with a suspended belt is given, which shows the basic units. The main design limitations of the currently used conveyors with suspended belt are listed, as well as the main directions of improvement of this type of industrial transportation. Some results of works on improvement of their technical-economic and operational characteristics and prospects of using conveyors with suspended belt at the enterprises of mining industry are considered. The scheme of the stand, which serves for research of transverse belt tension on the middle section of the conveyor, is given and the main tasks, which it realizes, are described. The significance of research in this area is argued.
The basic information about the conveyors with suspended belt is given, their advantages and disadvantages in comparison with the belt conveyors on roller supports and the tasks associated with the prospect of introducing the new design of conveyors in industry are considered. At the first stage of the studies we consider the specificity of the belt stressed state at the transitional section of the conveyor, give the basic mathematical model describing the relationship between the transverse tensioning of the belt and the distance from the beginning of the transitional section of the belt to the end reel. We present the calculation scheme for determining the shape of the belt loaded with loose material and for the belt without any weight loads. The variants of mathematical description of physical models are offered. Preliminary results of the experiments are presented.
