Bernardo, Rodel V. <br/><br/>
Development of an electric trolley with semi-automated hoist for sedan engine and transmission/ 
Rodel V. Bernardo, Miguel Kerby A. Domingo, Rosel Stephen F. Gonzales, Lester Jerota, and David Brian L. Reano.-- 
 - Manila:  Technological University of the Philippines,   2025. 
 - ix, 64pages:  29cm.  
<br/><br/> Bachelor's thesis 
<br/><br/>College of Industrial Technology.-- 
<br/><br/>Includes bibliographic references and index. 
<br/><br/> This capstone project looked at how small and medium-sized automotive workshops still<br/>handle engines and transmissions manually, which can lead to injuries, safety risks, and<br/>less efficient work. While there are lifting devices such as hydraulic cranes and automated<br/>hoists, many are too costly, too large, or impractical for smaller workshops and teaching<br/>labs. This shows there is a need for a more affordable, ergonomic, and semi-automated<br/>lifting tool for sedan engines and transmissions. The main goal of this study was to design,<br/>build, and test an electric trolley with a semi-automated hoist that can safely lift, rotate,<br/>position, and move sedan engines and transmissions. The team used a prototyping<br/>approach, which included designing and modeling the system, building it with locally<br/>available materials, and running thorough performance tests. The evaluation covered load<br/>capacity, ease of movement, rotation accuracy, operation of the electrical and thermal<br/>systems, and whether the safety features functioned properly. Tests showed that the<br/>prototype could reliably handle up to 150 kg, both with and without a load, without<br/>becoming unstable, vibrating too much, or moving unsafely. The system lifted and lowered<br/>smoothly, rotated in a controlled way, and was easy to move around in a typical workshop.<br/>These results suggest that the new system makes handling engines and transmissions easier<br/>and safer. In summary, this project offers a practical, affordable, and ergonomic lifting<br/>solution for automotive repair shops and teaching labs, helping to improve safety,<br/>efficiency, and hands-on automotive skills.<br/><br/>Keywords: electric trolley, semi-automated hoist, engine and transmission handling,<br/>automotive ergonomics, material handling systems 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Automotive technology<br/>automobile engine and transmission--sedan<br/>Electric trolley
<br/><br/><label>LC Class. No.: </label>BTH TL 146   / B47 2025