Abstract
This paper takes the 5T loader boom as the research object. Firstly, the static analysis of the boom loader is carried out under the typical working conditions. The weak part of the welding seam is found, and then the welding deformation of the boom is analyzed for the weak welding part. Further, the deformation trends of the welding arm are studied. It is found that the weak part of the welding seam is at the welding arc of the boom plate and the beam. Besides, the deformation of the arm plate is about 30mm inward in the welding process due to the welding stress, and the residual stress of the boom. This work can provide theoretical and data support for the processing and deformation correction of the boom.
Highlights
Wheel loader is a kind of main earthmoving machine used in construction, port, mine, railway, mining and other projects
A large weld deformation can occur during the welding of the loader boom plate
The weak part of the welding seam is found, and the welding deformation of the boom is analyzed for the weak welding part
Summary
Wheel loader is a kind of main earthmoving machine used in construction, port, mine, railway, mining and other projects. It can carry out shoveling work on soil, stone and so on. Loader boom is the main load-bearing parts in the working device, mainly made by the plate welding process. A large weld deformation can occur during the welding of the loader boom plate. This will affect the loader assembly route. This work can provide theoretical and data support for the processing and deformation correction of the boom
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