Main cone pad selecting device and method

Abstract

The invention relates to the technical field of assembling and detecting equipment of a main speed reducer, and particularly provides a main cone pad selecting device and a method. The main cone pad selecting device comprises a clamping rotating mechanism and a measuring mechanism, wherein the clamping and rotating mechanism comprises a radial holder, a bearing holder and a rotating driving device, the radial holder is used for holding a tail part of a main conical shaft, and the rotating driving device is used for driving the radial holder to rotate; the measuring mechanism comprises a prepressing component, a floating measuring disc and a displacement measuring device, wherein the floating measuring disc is elastically connected with the prepressing component, the floating measuring discis used for being attached to an upper end face of the main conical shaft, and a measuring probe of the displacement measuring device is abutted to an edge of a lower surface of the floating measuring disc. Before assembling a pad, the average height from a top surface of the main cone to a lower end surface of the bearing in a motion state can be precisely measured, the data is provided for padselecting and gasket, the height of the main cone assembly can be effectively controlled at an assembling stage, and a plurality of defects of the static measurement after assembling can be avoided.

Description

technical field [0001] The invention relates to the technical field of assembly and testing equipment of a main reducer, in particular, to a main cone pad selection device and method. Background technique [0002] The final drive is an important part of the car. Such as Figure 1-Figure 4 As shown, the final reducer generally includes a differential 30, a main cone assembly 10 and an axle housing 20. The main cone assembly 10 includes a main cone shaft 11 and a bearing 13 sleeved on the main cone shaft 11. The main cone shaft 11 A bevel gear 11a is provided on the top, and the bevel gear 11a is meshed with the gear of the housing of the differential 30 , and a gasket 12 is provided on the lower end surface of the bearing 13 . [0003] In order to ensure the precise cooperation between the main cone assembly 10 and the differential 30 , the height of the top of the main cone assembly 10 must be strictly controlled. In the prior art, when assembling the main reducer, the hei...

AI Technical Summary

Problems solved by technology

If unqualified products are detected, rework or parts are scrapped, which is time-consuming and labor-intensive, and increases costs

In addition, the inspection after assembly is carried out when the main reducer is static. In fact, the bearing 13 will expand or jump during operation, which will affect the top height of the main cone assembly 10

That is to say, even if the products pass the inspection after assembly, they may not meet the requirements in actual operation, which directly affects the driving safety of the car.

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