Rigid and non-linear relation testing device and method of cylindrical fit joint surface

一种非线性关系、圆柱配合的技术，应用在圆柱配合结合面,圆柱配合结合面的刚度及非线性关系试验,圆柱配合结合面的刚度及非线性关系试验装置领域，能够解决实验装置应用局限性大、试验成本高、不能分离出来等问题

Inactive Publication Date: 2012-04-11
XIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of this invention is to provide a kind of rigidity and the nonlinear relationship test device of the cylindrical mating surface, which overcomes that the characteristics of the cylindrical mating surface of the tested object cannot be completely separated from the characteristics of the test system in the prior art, and due to the The structure is complex and the test cost is high, which leads to the problem of large application limitations of the experimental device

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  • Rigid and non-linear relation testing device and method of cylindrical fit joint surface
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  • Rigid and non-linear relation testing device and method of cylindrical fit joint surface

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Embodiment Construction

[0038] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0039] Such as figure 1 The structure of the test device of the present invention is to include a frame-shaped test bench 15, and an axial loading assembly is arranged along the horizontal centerline of the cylindrical mating joint surface inside the side wall of the frame-shaped test bench 15, and the axial loading assembly passes through the steel ball 4 In contact with one end of the specimen shaft 2, a radial loading assembly is arranged on the top plate of the frame-shaped test bench 15 along the vertical centerline, and the end of the vertical loading part 3-1 of the radial loading assembly extends into the specimen shell 1 vertical hole.

[0040] refer to Figure 2-Figure 6 , the installation brackets of displacement sensors a1, a2, b1, b2, c1, c2, c3, c4 are fixed on the specimen shell 1, and each installation bracket is respectivel...

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Abstract

The invention discloses a rigid and non-linear relation testing device of a cylindrical fit joint surface. The device comprises an axial loading assembly arranged along a horizontal central line in a side wall of a frame testing rack, the axial loading assembly is in contact with a test-piece shaft through a steel ball; a radial loading assembly is downward arranged along a vertical central line at a frame testing rack top plate; a vertical loading end head of the radial loading assembly extends into a case of a test-piece shell, the test-piece shell is fixed on an upper plane of a lower wall of the frame testing rack, the test-piece shaft is in fit connection with the test-piece shell through the cylindrical fit joint surface; a plurality of displacement sensors are fixed on the test-piece shell, and a testing head of each displacement sensor assembly is directed at the test-piece shaft. The invention further discloses a method of testing the rigid and non-linear relation of the cylindrical fit joint surface by using the above device. The device and method provided by the invention can be adapted to the radial and axial and inclined rigid non-linear relation testing of the cylindrical fit joint surface in various conditions with high precision.

Description

technical field [0001] The invention belongs to the technical field of joint surfaces of mechanical structures, and relates to a cylindrical matching joint surface matched between a shaft and a hole. Joint surface stiffness and nonlinear relationship test method. Background technique [0002] The contact surface between the shaft and the hole with the same nominal diameter is the cylindrical fit joint surface, hereinafter referred to as the cylindrical fit joint surface, and the cylindrical fit joint surface is divided into a fixed cylindrical fit joint surface (such as a shaft and a hole press fit) and a moving cylindrical fit joint There are two types of surfaces, and the joint surface of the motion cylinder is divided into the joint surface of the rotary motion cylinder (such as the joint surface of the rotary motion cylinder with the dynamic fit between the shaft and the hole of the rotary sliding bearing) and the joint surface of the linear motion cylinder ( For exampl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00G01M5/00
CPCG01M5/0075
Inventor 黄玉美刘耀惠烨张广鹏高创
Owner XIAN UNIV OF TECH
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