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High-temperature sealing experimental device with continuously-adjustable sealing pressing force

An experimental device, sealing and pressing technology, which is applied in fluid tightness testing, measuring devices, testing of machine/structural components, etc., and can solve problems such as sealing experimental devices that have not yet been seen

Inactive Publication Date: 2018-07-17
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to limited conditions, there is no sealing experimental device that can conduct experimental research under high temperature and continuously adjustable compression and compression force conditions.

Method used

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  • High-temperature sealing experimental device with continuously-adjustable sealing pressing force
  • High-temperature sealing experimental device with continuously-adjustable sealing pressing force
  • High-temperature sealing experimental device with continuously-adjustable sealing pressing force

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0038] Fix the experimental device support 1 on the anchor bolts, then place the experimental device cavity 7 on the experimental device support 1, put the sealed test piece in the experimental device cavity 7 under the sealed lower core 15, and then Use the lower sealing core 15 to press the sealing test piece, install the temperature sensor 10 on the thread of the lower sealing core 15 , and make the wire of the temperature sensor 10 pass through the sensor conduit 13 to connect to the control system 5 . Afterwards, the sealing upper core 14 and the sealing lower core 15 are installed together to form a seal. The sealing cover 8 is fixed by screws and the cavity 7 of the experimental device. Complete the assembly of the main body of the experimental device. Install the pressing force loading and adjusting system lever 9 on the sealing cover 8, form a hinge fulcrum through bolt connection, and press the sensor conduit 13, so that the pressing force loading and adjusting syst...

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Abstract

The invention discloses a high-temperature sealing experimental device with continuously-adjustable sealing pressing force. An experimental device support is mounted on anchor bolts. An experimental cavity is placed on the experimental device support. Two sealing cores are installed in the experimental cavity by cooperation to achieve sealing and pressurizing. A pressing force loading and adjusting system further transfers the pressing force to a sealing test piece through a sensor conduit, and achieves the precise adjustment of the pressing force by calibrating the pressing force in advance.Thereafter, a heating device is installed outside a test bench, and stable and continuous control of the temperature is realized by a control system, and a high-temperature-resistant platinum resistoris used for heating is used, thereby achieving high-temperature heating. The high-temperature sealing experimental device can test most sealing test pieces, and can control the continuous pressing force, measures the real-time compression amount, measures of the performance of the sealing test piece at different temperatures, and satisfies the requirements of different experimental conditions ofthe sealing test piece.

Description

technical field [0001] The invention relates to a high-temperature sealing experiment device with continuously adjustable sealing compression force, which is mainly used for experiments on the air-tightness and heat-tightness of various materials and sealing structures. Background technique [0002] With the development of modern science and technology, industrial production has begun to vigorously develop in the direction of higher temperature, high pressure, and high speed, and the requirements for sealing have gradually increased, especially in some high-end technical products, such as aviation, aerospace, engineering, etc. Many equipments in machinery, petroleum exploration and refining industries. In the field of aerospace, sealing is not only to realize the sealing of gas quality, but also to realize the sealing of gas heat. The failure of the seal will cause the equipment to run, leak, etc., which not only affects the overall performance and service life of the equip...

Claims

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Application Information

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IPC IPC(8): G01M3/26G01M3/00G01N25/00
CPCG01M3/26G01M3/002G01N25/00
Inventor 王维民张帅巴全坤李渊源
Owner BEIJING UNIV OF CHEM TECH
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