2 Meter-Tall Working Model Crane
Hong Kong Applied Science and Technology Research Institute | Hong Kong | Jun - Aug 2024
Designed and built a 2-meter working crane model to demonstrate advanced sensing technologies for construction site safety.
Collaborated within a three-person team to translate real-world crane functionality into a scaled mechanical system, integrating motorized movement and electronic control while balancing structural performance and manufacturability.
Design Overview
The crane was designed to have full 360° rotation, vertical movement of the hook, and trolley translation along the jib. We incorporated stepper motors and an Arduino control system to enable precise mechanical movements so the crane could be operated with a controller.
Using CAD, we created a 3D model of the crane and we performed FEA to make sure the crane is able to withstand operational forces while maintaining stability.
The model was constructed using a combination of aluminum t-slot extrusions, manufactured sheet metal parts, and 3D-printed components to balance strength, weight, and ease of assembly.
Front Jib Design Lead
As the team lead for the front jib design, I was responsible for ensuring that the jib could perform both the vertical and horizontal movements of the hook as well as the crane’s ability to lift and lower the front jib.
My focus for the front jib was for it to be both sturdy and lightweight, incorporating a simple and compact linear motion guide for the smooth translation of the hook trolley.
To protect the motors and ensure safe operation, I integrated limit switches that control the range of the trolley's movement. This design allows for precise, guided motion of the hook trolley while maintaining the overall structural integrity and efficiency of the jib.
Skills Used
CAD Modelling
FEA
Mechanical Design
Prototyping
Material Sourcing
Arduino Programming
Team Collaboration