Progressive equipment methods trailed scraper and trailer
Journal: Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta (Vol.5, No. 2)Publication Date: 2019-06-25
Authors : Nilov V.A. Fedorov E.V. Gavrilov A.V.;
Page : 251-256
Keywords : coupling weight; loading; traction force; unevenness coefficient;
Abstract
The issues of changing (stabilizing and increasing) the couplingweight of a towed scraper when developing a soil with various trailers are considered. Studies of the scheme of forces acting on the serial trailer device confirmed the data obtained in the course of field studies of the development of soil by trailed scrapers, on the reduction of the towing weight of the tractor (wheeled or tracked). Analytical studies have established the reason for reducing the coupling weight of the tractor and showed the possibility of stabilizing its coupling weight.Analytical studies have established the reason for reducing the coupling weight of the tractor and showed the possibility of stabilizing its coupling weight. It is proposed to use the coefficient of non-uniformity of the vertical loading of its bridges to assess the degree of rationality of the vertical loading of the axles of the tractor.This ratio in traction mode should not significantly differ from 1.0. The original design of the trailer hitch, which provides an increase in the coupling weight of the tractor, both due to static loading from the side of the scraper and due to the traction force developed by the tractor, is investigated.The possibility of obtaining the specified coefficient of non-uniformity of the vertical loading of the axles of the tractor by changing the height of the transfer of traction to the scraper bucket is established. The studies performed allow the design of towing devices with minimal changes. Practical recommendations for the rational aggregation of the wheel tractor and trailed scraper are given.
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Last modified: 2019-07-05 18:02:36