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A hydraulic bulge testing device

A test equipment, hydraulic bulging technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, electromagnetic measuring devices, etc., can solve problems such as deviation and too one-sided performance of the test piece

Active Publication Date: 2021-07-20
CHINA SPECIAL EQUIP INSPECTION & RES INST +1
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Problems solved by technology

[0002] Existing bulging test equipment for the performance of specimens is characterized by the displacement generated by the bulging, but the displacement is only caused by the bulging of a small area of ​​the specimen, not the entire surface of the specimen, so the use of displacement to characterize the performance of the specimen is too one-sided. And there will be deviation due to the action of friction force in the process of displacement transmission

Method used

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  • A hydraulic bulge testing device
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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Such as figure 1 As shown, the hydraulic pressure inflation test equipment provided in this embodiment includes:

[0029] Base 1, such as figure 2 As shown, the top is provided with a liquid filling tank...

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Abstract

The invention discloses a hydraulic bulging testing device, which comprises: a base, a liquid filling tank is arranged on the top, a liquid filling port is provided on the bottom to communicate with the liquid filling tank through a channel; the liquid filling tank is provided with a platform for installing a test sample, The test sample cover is set on the notch of the liquid filling tank to form a liquid filling chamber; the flexible curved surface sensor is attached to the upper surface of the test sample to sense the shape of the curved surface of the test sample after swelling and deformation; the pressure ring is installed on the flexible around the curved surface sensor, and cooperate with the platform to fix the tested piece and the flexible curved surface sensor; the upper cover, the cover is arranged above the liquid filling tank, and is offset against the upper surface of the pressure ring, and the upper cover is provided with a through hole communicating with the pressure ring, and The upper cover is provided with a threading hole; the controller is connected with the flexible curved surface sensor and is used to receive the signal collected by the flexible curved surface sensor to form a sample deformation surface map. Performance measurement accuracy.

Description

technical field [0001] The invention relates to the technical field of bulging experiments, in particular to hydraulic bulging testing equipment. Background technique [0002] Existing bulging test equipment for the performance of specimens is characterized by the displacement generated by the bulging, but the displacement is only caused by the bulging of a small area of ​​the specimen, not the entire surface of the specimen, so the use of displacement to characterize the performance of the specimen is too one-sided. And it will produce deviation due to the action of friction force in the process of displacement transmission. Therefore, how to provide a testing device capable of comprehensively characterizing the deformation of the specimen surface has become an urgent problem to be solved in this field. Contents of the invention [0003] The purpose of the present invention is to provide a hydraulic bulging test equipment to realize the comprehensive characterization of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/16G01N3/06G01N3/12
CPCG01B7/16G01N3/06G01N3/12G01N2203/0019G01N2203/0048G01N2203/0676G01N2203/0682
Inventor 赵博金栋王春凤王汉奎于宇新周天宇陈康康寿比南
Owner CHINA SPECIAL EQUIP INSPECTION & RES INST
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