Gear single-tooth loading testing device with uniform loading function

Abstract

The invention provides a gear single-tooth loading testing device with a uniform loading function. The gear single-tooth loading testing device comprises two parts including a supporting structure and a loading structure located above the supporting structure, wherein the supporting structure comprises a supporting head, an adjusting gasket, a supporting base, a positioning ring, a supporting frame, a mandrel and a shaft pressing cover; the lower end of the supporting head is fixed on the supporting base; the supporting frame is located on one side of the supporting head; a testing gear is mounted at the top of an adjustable bracket through the positioning ring, the mandrel and the shaft pressing cover; the loading structure comprises a pressing head base, a limiting sleeve, a self-adjustable pressing head and a loading round plate which are coaxial with the supporting head and are arranged in sequence from top to bottom; the pressing head base and the limiting sleeve are fixedly connected together by a connection piece; the self-adjustable pressing head is arranged in the limiting sleeve; a freely-rotatable matching relation is formed between an outer convex column surface of the upper end and the inward concave arc surfaces of the pressing head base and the limiting sleeve; and the loading round plate is fixed at the lower end of the self-adjustable pressing head by an anti-releasing screw.

Description

technical field [0001] The invention relates to a gear root bending strength test device, in particular to a gear single-tooth loading test device with a load equalizing function, which can be applied to the check of the static strength of the gear and the test of the tooth profile stiffness , group tests of material ultimate stress, evaluation of the influence of tooth root geometry on bending strength, and checking of gear tooth bending bearing capacity, etc. The test data and judgment conclusions obtained can provide design basis for the development of new products. The basic application technology category of gear transmission. Background technique [0002] The checking of dedendum bending strength is an important part of the development of new gear transmission products. At present, the calculation of tooth root bending strength in the gearbox design process is carried out in China according to the national standard GB / T3480-1997, which is equivalent to the interna...

AI Technical Summary

Problems solved by technology

However, with the continuous development of gear products in the direction of light weight, long life and high reliability in recent years, the problem of lack of basic test data in the process of gear transmission design in my country has become more obvious, and the development of my country's high-end gear products has been severely constrained

This problem is mainly reflected in the following two aspects: First, there are certain differences between domestic and foreign countries in terms of alloy composition, smelting level, and heat treatment capacity of gear materials. Applying the test data of foreign gear materials for product development will result in large Second, the standard is the test data of more than 20 years ago. With the continuous emergence of new materials and new processes in recent years, there is an urgent need for test data that meets the current gear manufacturing level.

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