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VB-400 calculation and development project
Blekinge Institute of Technology, Department of Mechanical Engineering.
Blekinge Institute of Technology, Department of Mechanical Engineering.
Blekinge Institute of Technology, Department of Mechanical Engineering.
Blekinge Institute of Technology, Department of Mechanical Engineering.
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2001 (English)Independent thesis Basic level (degree of Bachelor)Student thesisAlternative title
VB-400 Beräkning och nykonstruktion (Swedish)
Abstract [en]

Abstract The purpose with this thesis has been to develop a new platform and to make calculations of the lifting device to wheelchair lift VB-400. The project has been performed in association with U-LIFT AB in Backaryd. The task formulation were: 1. Develop a suggestion to construction of a new platform made in aluminium for the wheelchair lift VB-400. The platform should be able to be used on the existing lifting-device. 2. Make stress calculations of the lifting device for the wheelchair lift VB-400. The project with developing the new platform in aluminium has been performed in alignment with Fredy Olsson?s method for integrated product development. The parts of the method that been used are principal-construction and primary-construction. The new platform turned out to have a weight loss of about 30% even though it has a much bigger area compared to the old platform. The aluminium-section which been used to build the floor gave the platform a new and innovative design. Despite the big reduction of weight the new platform can stand for at least the same amount of stress and torsion that the old one did. It also fulfils the norms of the factor of safety.

Abstract [sv]

Sammanfattning Syftet med detta examensarbete har varit att ta fram en ny lyftplatta till rullstolsliften VB-400 och att göra en beräkning av den existerande lyftanordningen till samma lift. Arbetet har gjorts i samarbete U-LIFT AB i Backaryd. Problemställningen var att: 1. Utveckla ett konstruktionsförslag till en ny lyftplatta av aluminium till rullstolsliften VB-400. Lyftplatta skall kunna användas på existerande lyftanordning. 2. Utföra en hållfasthetsberäkning över lyftchassi och lyftok till rullstolsliften VB-400. Arbetet med framtagningen av den nya lyftplattan har följt Fredy Olssons metod för integrerad produktutveckling. De delar av metoden som använts är principkonstruktion och primärkonstruktion. Den ny konstruerade lyftplattan blev mer än 30% lättare än sin föregångare, trots att dess area blev avsevärt mycket större. Aluminiumprofilen som användes som golv ger plattan ett nyare och fräschare intryck om men jämför med det gamla sträckmetall nätet. Trots att plattans vikt har reducerats med nästan en tredjedel så har den fortfarande mycket goda hållfasthets egenskaper och en säkerhetsfaktor som uppfyller befintliga normer.

Place, publisher, year, edition, pages
2001. , 183 p.
Keyword [en]
Bakgavellyft, Rullstolslyft
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:bth-3010Local ID: oai:bth.se:arkivexFCF18DFD78ED9D14C1256A5C003E7F34OAI: oai:DiVA.org:bth-3010DiVA: diva2:830305
Uppsok
Technology
Supervisors
Note
Oskar Bengtsson,Tel: 0455-84074 Marcus Hansson, Tel: 0455-22896 David Ringström,Tel: 0455-19170 Victor Simonson,Tel: 0455-22886Available from: 2015-04-22 Created: 2001-05-30 Last updated: 2015-06-30Bibliographically approved

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