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Tension testing mechanism of preform extension equipment

A testing mechanism and preform technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve the problems of inaccurate test results and increased structural complexity.

Pending Publication Date: 2022-03-18
QINGHAI ZHONGLI OPTICAL FIBER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a tension testing mechanism for preform rod extension equipment, which is used to solve the problems of inaccurate test results and increased structural complexity of existing tension testing methods

Method used

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  • Tension testing mechanism of preform extension equipment
  • Tension testing mechanism of preform extension equipment
  • Tension testing mechanism of preform extension equipment

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Embodiment Construction

[0024] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0025] The specific implementation manners of the present application will be further described in detail below in conjunction with the drawings and embodiments. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and...

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Abstract

The invention discloses a tension testing mechanism for preform extension equipment. The tension testing mechanism comprises a frame body; the clamp is mounted on the frame body and clamps the extension rod; the moving assembly is installed on the frame body, the moving assembly comprises a longitudinally-arranged lead screw, a sliding base arranged outside the lead screw in a sleeving mode and a connecting piece connected with the clamp and the sliding base, and the sliding base drives the connecting piece and the clamp to move up and down; the force measuring sensor comprises a resistance strain gauge which is arranged on the connecting piece; the force measuring sensor is installed on the connecting piece instead of being installed on a clamp or a rod hanging device, and the problems that an existing tension testing method is inaccurate in testing result, too complex in structure and high in manufacturing cost can be solved.

Description

technical field [0001] The invention relates to a tension testing mechanism for a preformed rod extension device, which belongs to the technical field of optical fiber preformed rods. Background technique [0002] At present, two methods are usually used for tension testing of preform extension equipment: the first method is to install a tension test sensor on the top of the preform hanger for testing; the second method is to add a vertical load cell to the fixture. [0003] However, both of the above methods have disadvantages. In the first method, graphite felt or quartz felt is usually used for sealing during the preform extension process. When the preform and the sealing material are squeezed against each other, the test data is affected by the friction between the preform and the sealing material, and cannot be accurate. Measurement. The second method, when the clamp is tightened, due to excessive pressure, the longitudinal friction between the longitudinal guide rail...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02G01N3/04G01N3/06G01N3/08
CPCG01N3/02G01N3/04G01N3/066G01N3/08
Inventor 蒲冬林李旭伟李文林武晋冬王永盛冶福山卫晓明
Owner QINGHAI ZHONGLI OPTICAL FIBER TECH CO LTD