Spherical surface coloring and contact area detecting device

Abstract

The invention belongs to the technical field of mechanical transmission, and relates to a spherical surface coloring and contact area detecting device. A guiding column is fixed on a base plate of the device through a fastening bolt, a base is sleeved on the guiding column, springs are used for supporting the base, a spring adopted in an inner ring of the base is equal to a spring on the bottom, a spring seat is used for supporting a ball bowl, a cover plate of the ball bowl is placed on the top portion of the ball bowl, a locating pin is used for keeping the position of the ball bowl, a bolt is screwed to compress the cover plate of the ball bowl so as to enable the ball bowl to move downwards along the guiding column in the axial direction till being contacted with a retainer. The spherical surface coloring and contact area detecting device has the advantages of improving precision of matching between the retainer and the ball bowl, controlling a contact area, matching the ball bowl, and improving assembling quality and operability.

Description

technical field [0001] The invention belongs to the technical field of mechanical transmission, and relates to a spherical surface coloring and contact area inspection device, which is used for spherical surface coloring and contact area inspection between the inner spherical surface of a cage and the outer spherical surface of a ball bowl. Background technique [0002] At present, there are many difficulties in the processing of the three-dimensional spherical surface, and there is a lack of effective means for the fine measurement and inspection of the spherical surface. In the cage assembly of the axial piston pump, there is a spherical fit between the inner spherical surface of the cage and the outer spherical surface of the ball bowl. Matching has very strict requirements on processing accuracy, so a tooling is designed to perform coloring inspection on the spherical surface to determine whether its contact area is correct, whether the contact width meets the requirement...

AI Technical Summary

Problems solved by technology

[0003] The technical solution of the present invention is to overcome the disadvantages of the prior art that the interference of human factors is relatively large, and the inner spherical surface of the cage is too narrow to be measured, and it is easy to cause many errors, and to provide a spherical surface coloring and contact area inspection device, the purpose It is to simulate the actual assembly environment of the cage assembly, use the base to place and fix the cage, place the ball on the spring seat, and compress the spring at the bottom of the ball by screwing the bolt, so that the ball is in contact with the spherical surface of the cage to achieve coloring inspection the goal of

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