| Heavy truck drive axle now uses the traditional single stage drive axle. At present, the main driving axle gear reducer is using the Gleason system of spiral bevel gears, with Gleason spiral bevel gear transmission is a convex tooth contact, contact intensity is low, difficult to meet the needs of modern heavy duty truck high bearing capacity and long service life requirement. This paper will discuss the application of double circular arc spiral bevel gear drive the possibility of using the bridge, double circular arc spiral bevel gear meshing surface contact, contact characteristics of high strength, in ensuring the driving axle bearing capacity under the premise of bevel gear of driving axle, extended service life, meet the requirements of the use of single bridge. Double circular arc spiral bevel gear is applied to heavy truck drive axle of the need for bearing capacity and dynamic characteristics of two aspects of research, its bearing capacity in the coal mine scraper conveyer reducer of circular arc tooth profile has been verified. So the thesis of double circular arc spiral bevel gear’s dynamic characteristics, especially from the running-in, vibration and noise in three aspects carries on the analysis and research.Based on the principle of gear engagement as the foundation, from the double circular arc spiral bevel gear design principle, the double circular arc tooth profile parameters on cutting tool design and processing effects are theoretically derived; through the test on the running-in properties were studied and put forward the effective running method; by Gleason and double arc two arc bevel gear dynamic characteristics contrast test, the double circular arc spiral bevel gear dynamic performance is studied.This paper mainly completed the following research work:1) In view of double circular arc spiral bevel gear tooth profile parameters can be flexibly design features, combined with the specific condition, benefit from running, long life of tooth profile parameters selection trend of research, based on the theory of running parameter of tooth shape design;2) According to the double circular arc spiral bevel gear and Gleason bevel gear processing method of characteristics, combined with the actual situation, the double circular arc spiral bevel gear cutter tooth profile are discussed and the selection;3) Put forward the test plan and build the test bench, the double circular arc spiral bevel gear running-in test, influence factor on the run;4) Through the Gleason spiral bevel gear dynamic characteristics test and double circular arc spiral bevel gear dynamic characteristics contrast test, using wavelet and wavelet packet analysis has been made on the test data in detail, has been running in front of double circular arc spiral bevel gear dynamic characteristics. |
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