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Erilahendusega puksiirhaagise projekteerimine

Juks, Madis (2017) Erilahendusega puksiirhaagise projekteerimine. [thesis] [en] The design of a special solution towing trailer.

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Abstract

Käesolevas töös erilahendusega puksiirhaagise projekteerimine on projekteeritud sõidukite pukseerimiseks mõeldud O2 kategooriasse kuuluv haagis. Võrreldes olemasolevate haagistega, toimub sõidukite peale laadimine ja maha laadimine palju lihtsamalt ning kiiremini. Peamiselt lahendati liiklusseadusega kooskõlla viimist ning tõste mehhanismi ehitusega seonduvaid probleeme, sest arvestades selle haagise sihtotstarvet siis on kõige olulisemaks kriteeriumiks liiklusohutus ja vastupidavus. Samuti sai välja selgitatud antud haagisele rakenduvad liiklusseadused ja tehnonõuded ning sellest saab järeldada, et sellist tüüpi haagistega, ilma inertspiduritega tohib vedada veost ehk sõidukit mille kogumass ei ületa 600 kg. Kuna sellise massiga sõidukeid on vähe siis tuleks lisada neile haagistele pidurid, kui raam ja muud detailid on projekteeritud sellise koormuse vedamiseks. Projekteerimine ja analüüsimine viidi läbi programmis CATIA V5R21. Esmalt valiti rehvid, et teada saada nende laius. Seejärel hakati välja töötama õõtshooba mis vastaks võimalikele nõuetele ja vastupidavatele jõududele. Lõplikuks tehniliseks lahenduseks osutus rattaõlg, millega sai pneumosilindrid toodud haagise ratta ette. Selline lahendus tagab parima vahe kahe haagise ratta vahel ning manööverdamine muutus ohutumaks. Kuna enne haagise projekteerimist ei olnud eesmärk teha haagis võimalikult odav vaid muuta kasutajasõbralikumaks. Seetõttu haagise omahind valmistamiseks kujunes neli korda kallimaks kui Eestis müügis olevate ilma tõsteseadmeteta haagistel ehk lõpphind kujunes 4378,78 €. Kuid kuna toode pakub kasutajatele mugavust ning kiirust, siis on ka kindlasti selle haagiste kasutajateks rohkem inimesed, kes teevad sellega igapäevast tööd. Projekteeritud haagis vastab töö sissejuhatuses püstitatud ülesandele ning on võimalik ühe nupulevajutusega mugavalt ja ohutult maadligi lasta ning sõidukeid teisaldada. Õhksilindritega haagiseid teadaolevalt Eestis hetkel ei toodeta, kuna selline lahendus on piisavalt uudne, kuid võimalus selliseid haagiseid toota oleks küllaltki reaalne.

Abstract [en]

The design of a special solution towing trailer is an O2 category trailer meant for towing vehicles has been designed within this thesis. Compared to the existing trailers, the loading and unloading of vehicles is much easier and faster with this trailer. The main problems to be solved involved bringing the trailer into conformity with the Traffic Act and problems relating to the construction of the lifting mechanism, as considering the intended purpose of the trailer, the most important criteria were road safety and durability. Additionally, different traffic acts and technical requirements applicable to this trailer were identified and thus, we can conclude that trailers without a retarder system can only tow cargo or vehicles whose total weight is below 600 kg. As there are very few vehicles with such a weight, a retarder system had to be added to those trailers, as the chassis and other parts were designed to tow such loads. The design and analysis were carried out in the programme CATIA V5R21. First, tyres were chosen in order to find out their width. Then, the development of a track-control arm that would meet the possible requirements and resistive forces was initiated. The final technical solution turned out to be the wheel arm, which helped bring the pneumatic cylinders to the front of the trailer’s wheel. Such a solution ensures the best distance between the two wheels of the trailer and makes manoeuvring safer. Before the design of the trailer, the aim was not to make the trailer as cheap as possible, but more user-friendly. Therefore, the production cost of the trailer turned out to be four times more expensive than that of the trailers without lifting equipment sold in Estonia, i.e. the final price was 4,378.78 euros. However, as the product offers more convenience and speed to people using it, the users of this trailer will surely be those who work with it on a daily basis. The designed trailer corresponds to the task set out in the introduction of the thesis and with a single press of a button, it is possible to safely and comfortably lower the trailer to the ground and transport vehicles. Trailers with air cylinders are not known to be produced in Estonia at the moment, as such a solution is rather innovative, but the possibility to produce these kinds of trailers is quite realistic.

Item Type: thesis
Advisor: Alar Õige
Subjects: Transport > Tansport of goods
Divisions: Institute of Engineering > Automotive Engineering
Depositing User: Madis Juks
Date Deposited: 06 Jun 2019 12:42
Last Modified: 30 Aug 2019 19:11
URI: http://eprints.tktk.ee/id/eprint/2754

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