A high-temperature internal pressure fatigue testing machine

A fatigue test and internal pressure technology, applied in the field of fatigue test machines, can solve problems such as high pressure and high temperature, achieve high temperature measurement accuracy, eliminate surface oxidation, and accurately measure and control temperature.

Inactive Publication Date: 2015-02-11
深圳市弗赛特科技股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, there is still no complete set of equipment capable of carrying out high vacuum, high pressure, high temperature, high precision and high frequency pulse experiments on alloy tubes, and there are still deficiencies

Method used

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  • A high-temperature internal pressure fatigue testing machine
  • A high-temperature internal pressure fatigue testing machine
  • A high-temperature internal pressure fatigue testing machine

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] refer to figure 1 As shown, the present invention discloses a high-temperature internal pressure fatigue testing machine for performing high-vacuum, high-pressure, high-temperature, high-precision, high-frequency pulse experiments on metal alloy tubes in the nuclear industry. The high temperature internal pressure fatigue testing machine has a furnace body sliding platform 10, a slide rail 101 is arranged on the furnace body sliding platform 10, and a fixing frame 20 is slidably arranged on the sliding rail 101, and a vacuum furnace is fixedly installed on the fixing frame 20. 30, the side of the vacuum furnace 30 is provided with an observation window 40 and a light curtain micrometer 50, in the present embodiment, the side of the vacuum furnace 30 is provided with two relative observation windows 40, and the above-mentioned light curtain microm...

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Abstract

The invention discloses a high-temperature internal pressure fatigue testing machine and relates to the technical field of fatigue testing. The testing machine comprises a furnace body sliding platform. A fixed mount is disposed on the furnace body sliding platform. A vacuum furnace is installed on the fixed mount. Sides of the vacuum furnace are provided with inspection windows and light screen micrometers. The inside of the vacuum furnace is provided with heating electrodes and an alloy pipe. The two ends of the alloy pipe are connected to an outer pipe through high-pressure connectors. The beneficial effects of the testing machine are that: the testing machine achieves effects of accurate measurement and temperature control, and avoids surface oxidation of the alloy pipe at 400 DEG C; the structure of the testing machine is suitable for changes of different lengths of the alloy pipe; and by adoption of the combination of a manner of heating by large current, a manner of vacuumizing by adopting the vacuum furnace, a manner of eliminating temperature gradients by water-cooling sleeves of the inspection windows, and the like, the testing machine effectively avoids inaccurate temperature control, inaccurate measurement or incapable measurement of the light screen micrometers, and the like.

Description

【Technical field】 [0001] The present invention relates to a fatigue testing machine, more specifically, the present invention relates to a high-temperature internal pressure fatigue testing machine for carrying out high-vacuum, high-pressure, high-temperature, high-precision and high-frequency pulse experiments on alloy tubes. 【Background technique】 [0002] At present, based on the nuclear industry, the pulse test technology of high temperature 400°C, high pressure 100MPa, high frequency 10HZ, and high vacuum 3*10-3MPa on alloy tubes is in a blank stage. In the experiment, the diameter change of the alloy tube under pressure and high temperature is tested to collect the data, and the corresponding analysis is carried out to achieve the purpose of testing the fatigue strength. In the prior art, there is no complete set of equipment capable of carrying out high vacuum, high pressure, high temperature, high precision and high frequency pulse experiments on alloy tubes, and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/18
Inventor 岳栋黄建良赵文金戴训洪晓峰卓洪王松柏
Owner 深圳市弗赛特科技股份有限公司
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