According to the characteristics of the RV reducer drive structure application Pro/E parameterized modeling technology, the RV reducer of the three-dimensional entity model is established, and the RV - 40 E, for example, using the ADAMS software to primary transmission Design and analysis of a two stage reduction gearbox and secondary coupling kinematics and dynamics simulation, analyzed the primary transmission and secondary dynamic properties of the influence of the transmission characteristics of the RV reducer, and carries on the dynamic analysis of the machine. The results show that the one-two two-stage transmission has influence on the fluctuation of crank shaft speed.

The Design and analysis of a two stage reduction gearbox

The amplitude of fluctuation of output shaft speed  Design and analysis of a two stage reduction gearbox caused by secondary drive is much larger than that of primary drive. The meshing force between needle teeth and cycloid wheel fluctuates periodically due to crank shaft rotation (cycloid wheel revolution). The bearing bearing is easy to be damaged due to the large force on the rotating pair of the crank bearing. The research results have important reference value for the product design of RV reducer.

 The single-stage reducer is an active cone gear and a  Design and analysis of a two stage reduction gearbox driven bevel gear (commonly known as pelvic Angle teeth), the active cone gear connected to the shaft, clockwise rotation, driven bevel gear attached to its right side, mesh point downward rotation, and the wheel forward direction. Because the active bevel gear diameter is small, driven bevel gear diameter is large, to achieve the function of deceleration.

 The Design and analysis of a two stage reduction gearbox

The two-stage reducer has an additional intermediate transition gear. The left side of the drive gear engages with the intermediate gear's umbrella tooth part,  Design and analysis of a two stage reduction gearbox and the bevel gear has a small diameter spur gear in coaxial line, which meshes with the driven gear. So the intermediate gear turns back and the driven gear turns forward. There are two stages of deceleration.

 

Two-stage deceleration, due to the increase of vehicle bridge volume, was mainly used in vehicle matching with low engine power, but now it is mainly used in engineering machinery with low speed and high torque.

The Design and analysis of a two stage reduction gearbox

wo-stage main reducer when the main reducer drive is  Design and analysis of a two stage reduction gearbox relatively large, in order to ensure that the car has enough clearance from the ground, then need to use the two-stage main reducer.First understand the single stage reducer.The single-stage reducer is an active cone gear (commonly known as angular teeth), and a driven bevel gear (commonly known as basin angular teeth), the active cone gear connected to the shaft, clockwise rotation, driven bevel gear attached to its right side, mesh point downward rotation, in line with the wheel forward direction.Because the active bevel gear diameter is small, driven bevel gear diameter is large, to  Design and analysis of a two stage reduction gearbox achieve the function of deceleration.The two-stage reducer has an additional intermediate transition gear.

The left side of the drive gear engages with the intermediate gear's  Design and analysis of a two stage reduction gearbox umbrella tooth part, and the bevel gear has a small diameter spur gear in coaxial line, which meshes with the driven gear.So the intermediate gear turns back and the driven gear turns forward.There are two stages of deceleration.Two-stage deceleration, due to the increase of vehicle bridge volume, was mainly used in vehicle matching with low engine power, but now it is mainly used in engineering machinery with low speed and  Design and analysis of a two stage reduction gearbox high torque.In the two-stage main reducer, if the second level of deceleration in the vicinity of the wheel, actually constitute two wheels at the independent parts, called the wheel edge reducer.The advantage of this is to reduce the torque transmitted by the semi-axis, which is beneficial to reduce the size and mass of the semi-axis.

The Design and analysis of a two stage reduction gearbox

The rim reducer may be planetary gear type or may be composed of a pair of  Design and analysis of a two stage reduction gearbox cylindrical gear pairs.When the cylindrical gear pair is used for wheel side reduction, the up and down position relationship between wheel axis and half axis can be changed by adjusting the mutual position of the two gears.This kind of car bridge is called door type car bridge,  Design and analysis of a two stage reduction gearbox which is often used for cars with special requirements on the height and position of the car bridge.According to the main reducer transmission ratio of the number of points, can be divided into single speed type and double speed type two.At present, domestic cars are basically using a fixed transmission ratio of single-speed main reducer.In the two-speed main reducer, there are two transmission ratios for selection, this main reducer actually played the role of the auxiliary transmission.

Christine Zhu ( Sales Department; Miss. )          
NER GROUP CO.,LIMITED                            
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