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Safe access - a safer in and out step for Volvo wheel loaders
2004 (English)Independent thesis Basic level (professional degree)Student thesis
Abstract [en]

This project was conducted in cooperation with Volvo Construction Equipment. Studies show that many accidents where wheel loaders are involved occur when the operator enters and get out from the machine. The assignment was to make an inventory in which critical factors are involved in the in and out step of the wheel loader and to find technical solutions to those problems. The critical factors were established by studying accident statistics, interviewing involved, studying accomplished research within the subject and our own observations concerning the machines and their usage. Economy and manufacturing aspects were considered in the developing process of the technical solution. The result turned out as a more level ladder to minimize risk for stumbling and slipping and also to enable out step both backwards and forwards. Handles were developed to adapt the ladder and make the driver have the possibility to choose how he or she wants to enter and get out of the machine. Ladder and handles with contrasting colours to the machine and reflexes in order to facilitate location and a dead enamel to facilitate grip. To minimize risk for slipping the steps are heated with hot air from the engine. When entering the machine the door can automatically be opened from the ground with a remote control to avoid unlocking and opening from the ladder, at the same time as the entrance is lighted to facilitate visibility. Thus, since the lights are lit automatically when the door opens, the out step is also always lighted. The lights can also be activated manually from the cabin to improve visibility sideways when using the machine. The report opens with a literature study which maps different methods useable in feasibility studies in projects of this nature. The study is a part of the examination.

Place, publisher, year, edition, pages
2004. , 96 p.
Identifiers
URN: urn:nbn:se:kau:diva-54652Local ID: IDI-7OAI: oai:DiVA.org:kau-54652DiVA: diva2:1103453
Subject / course
Innovation and Design Engineering, Bachelor of Science
Available from: 2017-05-30 Created: 2017-05-30

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
  • rtf