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Hydraulic excavator Parametric Design and Simulation Analysis

Author: WenWeiXing
Tutor: RenJiaJun
School: Taiyuan University of Technology
Course: Mechanical Design and Theory
Keywords: Excavator working device Parametric Design UG / Open Dynamic Simulation
CLC: TU621
Type: Master's thesis
Year: 2011
Downloads: 367
Quote: 3
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Abstract


Excavator widely used in highways, bridges, buildings, underground engineering and other places, it is one of the important products of construction machinery. With the growing competition in the excavator market, product development speed and reliability become winning factors, the traditional design approach makes product development cycles, high costs, lack of market competitiveness. To solve these problems, this project uses UG secondary development technology and database technology excavator working device for three-dimensional parametric design, and use the software on the work device Admas dynamic simulation. This article first excavator working device working principle and structure were analyzed by the working device is a bucket cylinder, bucket and boom cylinder rod hydraulic cylinder three kinds of hydraulic cylinders with the completion of each mining operation. Excavator hydraulic cylinder is a common element, it needs to design iterations, so it can be structured similar to the shape of the parts merge a design family, the same family by modifying an existing part to implement this part of the design. In this paper, a set of techniques for excavator parts in rotational parts to focus on analysis, and an example to introduce the hydraulic cylinder in-depth study of parametric design UG secondary development technology, based on the integrated use of UG / Open API, UG / Open MenuScrip and UG / Open UIStyler etc. UG secondary development tools, and methods used to establish the parameters of the expression of the excavator working device design module. Details of the VC 6.0 and UG 6.0 application program interface, dialog boxes, visual design and user interface design. Finally completed the excavator working device parametric design, built excavator used parts database, the realization of a series of rapid product development and design Finally, based on virtual prototyping technology excavator working device for the dynamic simulation. The UG environment parametric design model import Adams, by adding constraints, load and drive functions, establish a complete virtual prototype model. After kinematics simulation excavator working device can dynamically show the whole process of operation, the use of post-processor can automatically draw down the entire job tip trajectory, analysis of maximum digging depth, maximum dumping height and maximum digging radius of the location and value; After that kinetic analysis articulated boom and stick force at the point of the most dramatic changes, so you can make use of work equipment design module increases the diameter of the connecting pin or thickening at the junction of steel and other methods to increase excavator working device reliability.

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CLC: > Industrial Technology > Building Science > Construction machinery and equipment > Earthwork machinery, mining machinery > Excavator
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