论文部分内容阅读
首先指出,联轴节胶块易碎和拖拉机前桥的发动机支架没有关系。盲目地修焊支架,会影响到发动机的正常装配关系,反而易造成新的故障。根据我们的经验,联轴节胶块易碎的原因有三。 (1)变速箱第一轴窜动量大铁牛-55拖拉机第一轴是用一根拉紧螺栓紧固在常啮合主动齿轮上的。拉紧螺栓的头根部,紧压在齿轮轴心的内花键端面上。由于内花键硬度较高,一般使用了几年的旧车,都会出现拉紧螺栓头根部被花键端面磨损的现象。严重的磨损(下陷量达3～4毫米)会使一轴失去轴向约束而前后窜动,以致造成与其配合的胶块失去稳定性,
First of all, it is pointed out that there is no relationship between the coupling rubber block and the engine bracket of the tractor front axle. Brazing repair brackets blindly, will affect the normal assembly of the engine, but can easily lead to new problems. According to our experience, there are three reasons for the fragility of the couplings. (1) transmission shaft displacement of the first large -55 tractor The first axis is a tightening bolt fastened to the regular meshing of the driving gear. Tighten the head of the bolt, pressed against the spline end of the gear shaft. Due to the higher internal spline hardness, the general use of a few years old car, there will be tightening the head of the bolt spline end wear phenomenon. Severe wear and tear (sag up to 3 to 4 mm) will cause the shaft to lose axial restraint and move back and forth, resulting in the loss of stability of the plastic block with which it cooperates.