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Tester

A testing machine and technology to be tested, applied in measuring devices, using stable tension/pressure to test material strength, force/torque/work measuring instruments, etc., can solve problems such as large errors in test results

Pending Publication Date: 2019-10-15
厦门医疗器械研发检测中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The error of the test result is large

Method used

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Experimental program
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Embodiment Construction

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0026] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The embodiment of the invention provides a tester for detecting self-tapping performance of a medical screw. The tester comprises a rack, a first driving assembly, a second driving assembly, an elastic piece and a counterweight assembly, wherein the first driving assembly is connected with the rack; the second driving assembly is in sliding connection with the rack; the elastic piece is located between the first driving assembly and the second driving assembly and abuts against the first driving assembly and the second driving assembly at the same time; the counterweight assembly is connectedwith the rack for balancing the gravity of the second driving assembly to bring the elastic piece into a natural state; the first driving assembly is configured to drive the elastic piece to move to enable the elastic piece to be compressed and drive the second driving assembly to be away from the first driving assembly; and the second driving assembly is used for driving the to-be-tested medicalscrew to rotate. The tester has a small measurement result error and the accuracy is high.

Description

technical field [0001] The invention relates to the field of testing equipment, in particular to a testing machine. Background technique [0002] The self-tapping performance of medical screws is a very important performance index. The general reference test standard is ASTMF543-A4, which is to increase the axial load pressure of medical screws at a constant rate. [0003] The study found that the existing testing equipment for testing the self-tapping performance of medical screws has the following disadvantages: [0004] The test results have large errors. Contents of the invention [0005] The purpose of the present invention includes, for example, to provide a testing machine, which can reduce the error of the self-tapping performance test results of medical screws and improve the accuracy of the test results. [0006] Embodiments of the present invention can be realized like this: [0007] In the first aspect, an embodiment of the present invention provides a testi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12G01L5/00
CPCG01N3/12G01L5/00
Inventor 曾达叶焰杰林宇峰
Owner 厦门医疗器械研发检测中心有限公司