Abstract
The paper outlines the basic principles of constructing frequency diagrams and specifies the features of their application for the analysis of the dynamic state of the vehicle drive with cable traction on the example of a ropeway. To draw up the frequency diagrams, the ropeway traction circuit was presented as a dynamic system containing lumped masses and elements with distributed parameters. In this case, the moments of inertia of the rotating masses of the drive were brought to the traction pulley as a lumped mass. The traction cable segments are represented as elements with distributed parameters. The mathematical model describing the dynamic state of the drive consists of equations in the form of deformations of the traction cable segments using the positions of wave mechanics. Studies have shown that in most cases there is a fairly wide inter-resonance band, limited by the first and second eigenfrequencies. This phenomenon may be the basis for justifying the rational values of the rotational speed of the pulley as one of the kinematic parameters of the ropeway drive.
Highlights
IntroductionA lot of means of industrial transport have a flexible traction unit, among them belt and chain conveyor; vertical and inclined mine lifts
A lot of means of industrial transport have a flexible traction unit, among them belt and chain conveyor; vertical and inclined mine lifts. These machines include tools with cable traction: hanging conveyors, monorail cable cars and ropeways. They differ in industries and technology, but the common feature is the presence of a drum drive, with one sprocket or a few sprockets, or with a traction pulley
The formation of basic approaches to the construction and analysis of the eigenfrequency spectrum of the drive by frequency diagrams was begun in the works [11, 12]
Summary
A lot of means of industrial transport have a flexible traction unit, among them belt and chain conveyor; vertical and inclined mine lifts These machines include tools with cable traction: hanging conveyors, monorail cable cars and ropeways. This does not allow controlling the dynamic processes during the startup period, in particular, to prevent and limit resonant phenomena. Consider the features of the frequency analysis of the vehicle drive with cable traction on an example of a ropeway
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