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Test platform for drop hammer tester and drop hammer test method

A test platform, drop weight test technology, applied in the testing of machine/structural components, impact testing, measuring devices, etc., can solve the problem of difficulty in accurately measuring the impact force of the test piece, save workload, improve sensitivity, and widely The effect of generality

Pending Publication Date: 2017-12-12
INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the drop weight impact test, it is difficult to accurately measure the impact force of the specimen

Method used

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  • Test platform for drop hammer tester and drop hammer test method
  • Test platform for drop hammer tester and drop hammer test method
  • Test platform for drop hammer tester and drop hammer test method

Examples

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with specific examples, but the present invention is not limited to these specific implementations. Those skilled in the art will realize that the present invention covers all alternatives, modifications and equivalents as may be included within the scope of the claims.

[0027] It should be noted that the same reference numerals in the specification and claims of the present invention and the above drawings refer to the same components, and the terms "first", "second", etc. are used to distinguish similar objects, but not necessarily used for Describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances in order to describe the embodiments of the invention herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method,...

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Abstract

The invention relates to a test platform (10) for a drop hammer tester and a drop hammer test method. The test platform comprises a platform bottom plate (14) and a loading platform (12), wherein the platform bottom plate fixes the test platform (10) on the drop hammer tester; and the loading platform is arranged closer to an upstream position of an impact force transfer direction of the drop hammer tester relative to the platform bottom plate (14). The test platform is characterized by further comprising at least one piezoelectric sensor component (16) between the platform bottom plate (14) and the loading platform (12); and impact force data of the drop hammer tester is obtained by the piezoelectric sensor components (16). With the adoption of the test platform, accurate impact force data of a drop hammer impact test can be directly obtained.

Description

technical field [0001] The invention relates to an impact test device, in particular to a drop weight test platform and a drop weight test method. Background technique [0002] The traditional drop weight impact testing machine includes a stopper, a hook, a wire rope, a grapple device, and a rail clamping device (such as figure 1 shown). Among them, the values ​​of the impact force in the drop weight impact test are obtained indirectly. Specifically, during the pre-test preparation, strain gauges are arranged on the test piece, so that during the impact process, the strain value of the strain gauge pasted on the test piece is transmitted to the corresponding instrument through the transmission equipment, and then the test piece is converted through the stress-strain relationship. impact force on the piece. [0003] In practice, due to the different arrangement positions of the strain gauges, the impact force converted later will be different, and there will be errors in t...

Claims

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Application Information

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IPC IPC(8): G01N3/303G01M7/08
CPCG01M7/08G01N3/303G01N2203/0676G01N2203/0623G01N2203/0039Y02E30/30
Inventor 王多智张荣支旭东
Owner INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
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