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1、附录Car driver bridge just common failure analysis and repair methods Motor reducer main function is to increase the input torque, lower speed, and will accept the transfer of power to change the direction of differential. Disassembly in the maintenance process, the main reducer assembly and adjustmen
2、t of the quality of the good or bad, a direct impact on the main reducer of the state of technology and the main gear reducer, vice life. Must be in accordance with technical requirements and methods to ensure that the assembly quality and accuracy of the adjustment. Reducer in the main assembly in
3、the process of adjustment, including the main owners, driven bevel gear bearing pre-adjustments, the main, driven cone-prints and meshing gears meshing space adjustments, and so on. Reducer in the main assembly adjustment, the adjustment in order to ensure the quality of assembly, must abide by the
4、rules as follows: First, the first adjustment of the pre-bearings, and then adjust the gear mesh, vice-prints, the final adjustment of the meshing gears, deputy space. Secondly, the main, driven gear bearing cone of pre-degree must be provided for in the original methods and numerical check and adju
5、st the main reducer in the process of adjustment, bearing the pre-degree change may not always be in line with the original Provides value. Third, to ensure the engagement of qualified prints on the premise of the adjustment of meshing gears, deputy space. Meshing and mesh-prints of the changes in t
6、he amount of space must be in compliance with technical requirements, otherwise it is necessary to replace the pair in pairs. Fourth, the adjustment process, such as bevel gear, bevel gear Aoli Kang and hypoid bevel gear, often moving to take the initiative to adjust the bevel gear mesh prints, driv
7、en by mobile bevel gear meshing space adjustments. The high-arc bevel gear Gleason bevel gear meshing and mesh-prints of the gap adjustment method is not special. Bearing reducer main pre-adjustments in order to remove the main, driven bevel gear shaft bearing the extra space axial and radial cleara
8、nce, and reducer installed in the main, driven bevel gear shaft bearings, it should be a certain The pre-compression, and part of the balance before and after the axial load bearing. This will make the main, driven bevel gear at work to maintain the right mesh, and can pre-and post-bearings to obtai
9、n a more uniform wear. First of all, take the initiative to adjust the bevel gear bearing the pre-, pre-adjustment of their degrees in two ways: The first method is through changes in the gasket to adjust to adjust. Adjust the location of gaskets, and some separation between the two sets of bearings
10、, some shaft in the shoulder, some in the back of the main reducer. Adjusted increase in the pads, reducing the pre-degree; pads to reduce the adjustment, increased pre-degrees. The second method is to use an alternate set of flexibility to adjust it by the installation, according to the provisions
11、of torque tightening nut penetration margin of the fixed disk, so that every other set of elastic deformation resulting from the initiative to ensure the bevel gear bearing the pre-degrees. Next, adjust the bevel gear follower of the pre-degree bearing. According to the driver of the bridge structur
12、e is divided into two different ways: the first is a single-stage reducer, which is driven bevel gear differential bearing bearings, driven adjustment bevel gear bearing pre-degree differential bearing adjustment is pre - Tight, adjust the differential bearing on both sides of the nut adjustment to
13、achieve. Adjustments on both sides of the nut tightened, pre-degree increase; on both sides of the adjustment screw pine nut, pre-degree decrease. The second is a two-stage reducer, the bevel gear driven secondary and take the initiative to slow down the cylindrical gear with a fixed axis, with both
14、 ends of the bearing shell on the main reducer. Adjust the location of gaskets in the two bearings between the shell and cover. Adjusted increase in the pads, reducing the pre-degree; pads to reduce the adjustment, increased pre-degrees. Second, the main, driven bevel gears meshing tooth prints and
15、the adjustment of the main side of the gap, driven bevel gears meshing side of the gap-tooth-prints and adjustment: the main, be driven bevel gear teeth along the direction of the long exposure, and its location in the control gear The little-central bias, the small end-to-end from the Ministry of 2
16、 7mm, traces of contact with the length of not less than 50% of the long teeth, tooth direction of the high-contact-prints should be not less than 50% of the high-gear, the general should be from the addendum 0 . 80 1.60mm; side of the tooth gap to 0. 15 0. 50mm, but each of the bevel gears meshing Vice change in the amount of space no larger than 0.15mm. When the owners, driven bevel gears meshing side of the gap-tooth-prints and do not meet the requirements should be adjusted in
