ON THE ISSUE OF IMPLEMENTATION IN UKRAINE OF EUROPEAN APPROACHES TO TESTING PNEUMATIC BRAKING SYSTEMS OF AGRICULTURAL TRAILERS

Summary The purpose of the research: implementation in Ukraine of the technical requirements of the Delegated Regulation of the EU Commission 2015/68 on the parameters of pneumatic braking systems of agricultural trailers by preparing a methodological and technical base. Research methods: research was conducted in accordance with the methods specified in Commission delegated Regulation (EU) 2015/68, 2015; SOU L. Pohorilyi UkrNDIPVT 01.1-37-04604309-008 and DSTU 1.5. The main indicators of the effectiveness of the pneumatic braking system of the trailer, which must be determined during the conformity assessment tests, are: the effectiveness of the braking system during cold brakes (type 0 test); loss of braking system efficiency with heated brakes (type 1 test); effectiveness of emergency automatic braking; brake activation time; capacity of energy storage devices. Research results: To conduct testing of the pneumatic brake system of the trailer at L. Pohorilyi UkrNDIPVT developed, manufactured and adjusted a pneumatic braking simulator that would replace a tractor to actuate the braking system of a trailer, and serial measuring equipment was used. As a result of the work carried out, the operating manual «Brake-1. Efficiency of the braking system»; developed, agreed and approved standard of L. Pohorilyi UkrNDIPVT «Agricultural machinery. Pneumatic braking systems of agricultural trailers. Test methods». The research results were implemented during tests for the European type approval of agricultural trailers produced by VARZ LLC. Conclusions. The developed methodical and technical bases contribute to the implementation in Ukraine of the technical requirements of the Delegated Regulation of the EU Commission 2015/68 on the parameters of pneumatic braking systems of agricultural trailers and make it possible to carry out testing of the equipment of domestic manufacturers without taking them outside Ukraine and to receive certificates of approval of the type of the European sample. Keywords: agricultural trailers, pneumatic braking system; testing; braking simulator; type approval certificate.