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A measuring device and method suitable for the load-deformation mapping relationship of laminated plates

A technology of mapping relationship and measuring device, applied in the direction of measuring device, using stable tension/pressure to test the strength of materials, instruments, etc., can solve the problems that do not exist, and achieve the effect of concise and clear transformation process

Active Publication Date: 2019-10-22
AEROSPACE RES INST OF MATERIAL & PROCESSING TECH +1
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  • Claims
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Problems solved by technology

At present, there is no measurement device for the load-deformation mapping relationship of composite laminates, so the above problems have been neglected and have not been solved

Method used

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  • A measuring device and method suitable for the load-deformation mapping relationship of laminated plates
  • A measuring device and method suitable for the load-deformation mapping relationship of laminated plates
  • A measuring device and method suitable for the load-deformation mapping relationship of laminated plates

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Embodiment Construction

[0034] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0035] A measuring device suitable for the load-deformation mapping relationship of laminated plates, such as figure 1 As shown, it includes base 1, profiling support block 2, linear guide rail I4, pressurized support frame assembly, adjustable pressurized assembly, pressure sensor 20, deformation monitoring support frame assembly, displacement sensor 15 and deformation monitoring auxiliary assembly ,

[0036] The profiling support block 2 is at least 4 polyurethane blocks that can be spliced, and the polyurethane blocks are fixedly connected to the base 1 to form a profiling base that is the same shape as the laminate to support the laminate;

[0037] The linear guide rail I4 is symmetrically arranged on both sides of the base 1, and the pressurized support frame assembly can slide on the linear guide rail I4, and the adjustable pressurized as...

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Abstract

The invention discloses a measuring device and method suitable for a lamination plate load-deformation mapping relation; a deformation monitoring auxiliary assembly can convert the lamination plate deformation into a displacement sensor displacement amount, and the conversion process is clear and simple; a slide block is matched with a linear guide rail so as to measure the deformations of different positions on the lamination plate; each adjustable pressurization assembly is symmetrically provided with two thread push rods; the two thread push rods can be respectively adjusted so as to adjust the compaction posture of a polyurethane press cake, thus adapting to different surface curvatures of the tested composite material lamination plate.

Description

technical field [0001] The invention relates to a measuring device and method suitable for the load-deformation mapping relationship of laminated plates, belonging to the field of precision instruments. Background technique [0002] Composite laminates have been widely used in aviation, aerospace, shipbuilding, automobile and other fields due to their good mechanical properties. However, due to the low stiffness of large-scale composite laminates, they are subject to significant deformation during assembly under the influence of assembly forces. Structural deformation will seriously affect the shape accuracy of the structure, which is a major hidden danger of product out-of-tolerance; in addition, structural deformation is often accompanied by the phenomenon of non-uniform stress inside the structure, which will cause stress concentration inside the structure. Under the condition of moving load during work, non-uniform stress will seriously affect the reliability of the str...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/32G01N3/08
Inventor 张婷玉钟扬姚文昊王洁李晴凇王育杰马蕾
Owner AEROSPACE RES INST OF MATERIAL & PROCESSING TECH
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