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Marine composite flat plate machinery mechanical property testing device

A composite material and mechanical mechanics technology, applied in the direction of measuring devices, analyzing materials, using stable tension/pressure to test the strength of materials, etc., can solve the problems of immature automatic testing devices, etc., and achieve convenient, fast and safe loading of water bladders. The test pressure range is large and the effect of improving test efficiency

Inactive Publication Date: 2019-09-20
HARBIN ENG UNIV
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AI Technical Summary

Problems solved by technology

At present, there is still no mature automatic testing device for testing the static performance parameters of large-scale composite flat plates.

Method used

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  • Marine composite flat plate machinery mechanical property testing device
  • Marine composite flat plate machinery mechanical property testing device
  • Marine composite flat plate machinery mechanical property testing device

Examples

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Embodiment Construction

[0038] The following examples describe the present invention in more detail.

[0039] The hydraulic automatic test device for the mechanical properties of composite material plates for ships includes a composite material boundary rigid fixing device, a water bladder pressurization device, and an automatic control system. The automatic control system includes: automatic control terminal equipment, data processing unit, and data storage unit. . The automation control terminal equipment includes: a central processing unit, a display connected to it, a booster pump control line access port, a strain gauge control line access port, a displacement sensor control line access port, and a pressure sensor, a displacement collector, Displacement sensor, three-way strain gauge, static strain gauge. The access end of the booster pump control line is connected to the pressure sensor of the booster pump through the line, the access end of the strain gauge control line is connected to the st...

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Abstract

The invention provides a marine composite flat plate machinery mechanical property testing device. The marine composite flat plate machinery mechanical property testing device comprises a composite boundary rigid fixing device, a water sac pressurization device and an automatic control system, wherein the composite boundary rigid fixing device comprises an upper limiting frame and a lower limiting frame, the water sac pressurization device comprises a water injection rubber tube, a water sac and a pressurization pump, the water sac is placed on the lower limiting frame, a to-be-tested composite flat plate test piece is fixed between the lower limiting frame and the upper limiting frame, and the automatic control system comprises automatic control terminal equipment, a data processing unit and a data storage unit. The marine composite flat plate machinery mechanical property testing device simulates the static performance of the composite flat plate when the composite flat plate is subjected to evenly-distributed load by means of water sac pressurization, has the advantages of reliable performance, high loading precision, high safety performance, easy maintenance and the like, shortens the data processing time by adopting the design of the automatic control system, and can effectively improve the test efficiency.

Description

technical field [0001] The invention relates to a device for testing the mechanical properties of flat materials, in particular to a device suitable for testing the mechanical properties of large-sized flat materials. Background technique [0002] Due to restrictions on the weight of parts such as ship superstructures, it is necessary to choose materials with light weight and high strength. Compared with metal materials such as traditional marine steel, composite materials have the characteristics of light weight and strong equivalent protection ability, and are often used in ship superstructures and other parts. When marine composite materials are used as superstructures, the main load to be considered is the sea slamming load, and the main form of the load is uniform load. [0003] At present, there are few methods for testing the mechanical properties of composite flat plates, and the commonly used methods include the heavy object loading method, the actuator distributio...

Claims

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Application Information

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IPC IPC(8): G01N3/12
CPCG01N3/12G01N2203/0019G01N2203/0048
Inventor 姚熊亮李素云栾景雷魏然武国勋杨娜娜马福临
Owner HARBIN ENG UNIV
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