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Test piece gripper and spin multiphase flow erosive wear test machine

A wear test and specimen clamping technology, applied in the direction of testing wear resistance, instruments, scientific instruments, etc., can solve the problems of complex, difficult to predict, and troubled the safe operation of fluid pipelines, and achieve the effect of improving accuracy

Inactive Publication Date: 2017-06-20
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Erosion wear damage has obvious locality, suddenness, and risk, especially the erosion wear and perforation caused by the flow of water-containing, corrosive, and multi-phase flow media is more complicated, and it is difficult to predict its occurrence, which has become a problem Key Technical Issues of Safe Operation of Fluid Pipeline

Method used

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  • Test piece gripper and spin multiphase flow erosive wear test machine

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Embodiment Construction

[0029] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0030] Please refer to Figure 1 to Figure 4 , figure 1 It is a structural schematic diagram of a specific embodiment of the specimen holder provided by the present invention, figure 2 for figure 1 bottom view of image 3 for figure 1 An exploded view of the clamp block of the specimen holder shown, Figure 4 for figure 1 Schematic diagram of the structure of the base of the specimen holder shown.

[0031] In a specific embodiment, the present invention provides a specimen holder for an erosion and wear testing machine, comprising a base 71 and two clamping blocks 72; the clamping blocks 72 are semi-cylindrical, with a clamp at one end mouth 721, the ot...

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Abstract

The invention discloses a test piece gripper, used for a spin multiphase flow erosive wear test machine, and comprising a base and two clamp splices; each clamp splice is a half-cylinder; one end of each clamp splice is provided with a nip, the other end is provided with a half flange plate, and the central part is provided with a mounting hole; a test piece is gripped by the nips of the two clamp splices, the two clamp splices are connected and fixed through the mounting hole, and are connected with the base through the flange plate; the base is arranged on a turntable of the erosive wear test machine and can adjust angle installation of the test piece. The test piece gripper is capable of distributing a plurality of identical test pieces at different mounting angles, so that every test piece is different in impact angle in a test process, and the relationship between the impact angles and erosive wear speed can be obtained, thus improving accuracy of erosive wear test, providing important data for the actual engineering pipeline erosive wear prediction, and providing reference for ensuring the safe operation of a pipeline. The invention also discloses a spin multiphase flow erosive wear test machine.

Description

technical field [0001] The invention relates to an erosion wear test device, in particular to a specimen holder. In addition, the present invention also provides a spin-type multiphase flow erosion wear tester with the above-mentioned specimen holder. Background technique [0002] Fluid pipelines are special equipment for transporting fluids under certain pressure. With the development of the economy, fluid pipelines are widely used in the transportation of various fluid materials in the fields of crude oil, natural gas, tap water, urban liquefied gas and process industries. [0003] The study found that pipeline failure has various forms and complex mechanisms, such as material defects, corrosion, wear, external force damage, etc. Among them, wear failure caused by erosion and wear damage is the most common and common damage form in pipeline systems. Erosion wear damage has obvious locality, suddenness, and risk, especially the erosion wear and perforation caused by the f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/04G01N3/56G01N17/00
CPCG01N3/04G01N3/567G01N17/006
Inventor 刘志奇崔金元仉志强李俊吉闫献国
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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