Simulation Study Of Mine Roadheader's Travelling Reducer Based On Virtual Prototyping Technology

Using the technology of virtual prototyping, which is a bran-new product developing technology, we can modify the design expediently before the physical prototype is produced. Using the technology of Virtual Prototype becomes the developing direction of mechanical trade in the course of product design. Replace the physical prototype with virtual Prototype of a machine andinnovate design,test and assess the products, it can shorten development periodof products, reduce the cost of development products, improve the designing quality of the products, improve the ability facing the customer and marketdemand, also can accelerate the transformation of new technologies to new products.This thesis regards mine roadheader's travelling reducer as the research object, using the three-dimensional design software UG,analytical software of Virtual Prototype ADAMS & RecurDyn and FEA software ANSYS, carries on entity's modeling and simulation to the reducer. In this thesis, with virtual prototyping technology, the simulation analysis of mine reducer is implemented based on CAD/CAE software.1. The 3-D model of the roadheader's travelling reducer is built. The gear and other components such as shaft(gear shaft),bearings and gear box are built with the modeling module of the UG software. A virtual assembly and the interference analysis of the reducer are work out through the assembly module of UG.2. A virtual prototype model of reducer is constructed. The UG model will be transformed into ADAMS through the format of Parasolid. A virtual prototype model is built after system constraints, load and drive are added in ADAMS. The verification of prototype model is implemented through kinematic simulation in ADAMS.3. The running simulation of the simplified model of roadheader are done. Simplified model of roadheader is built based on the Korean dynamic simulation software RecurDyn. The running simulation under three different working conditions are done in this software, and through the running simulation the torque of the sprockets wheel are obtained.4. The dynamics simulation of reducer is done. The dynamic simulation of the virtual prototype of the reducer is done combining with the virtual prototype and the torque of the sprocket wheel in ADAMS. The angular velocity and meshing forces are studied.5. The finite element analysis for the key part of the reducer is done. The FEA static and dynamics analysis of the planetary carrier of reducer is made by the FEA software ANSYS based on the boundary conditions from ADAMS, and several characteristics are tested either.