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Insulator Mandrel Hot Bending Tester

A bending test and insulator technology, applied in the direction of applying a stable bending force to test the strength of materials, measuring devices, instruments, etc., can solve the problem that the product quality cannot be strictly guaranteed, and the test results cannot accurately reflect the bending performance, resistance The lack of bending test and other problems can ensure the pass rate, simple operation and accurate detection.

Pending Publication Date: 2016-11-23
江苏凤凰电气股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing bending tests lack special equipment and are carried out at room temperature. There is a large difference between the test environment and the

Method used

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  • Insulator Mandrel Hot Bending Tester

Examples

Experimental program
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Effect test

Embodiment Construction

[0013] like figure 1 The shown insulator mandrel hot bending test machine includes an industrial constant temperature oven 1 (in this embodiment, an oven with a brand name of CANY and a model of DHG9050A is used), and tests under different temperature conditions can be obtained by adjusting the temperature of the oven 1 data. The top of the oven 1 is provided with a chuck 2, the workpiece 5 to be tested axially passes through the through hole provided at the top of the oven 1 and is locked and fixed by the chuck 2, and a cylinder 4 that provides radial loading force is provided on one side of the oven 1 , the cylinder seat 41 of the cylinder 4 is fixed on the outer casing of the drying oven 1, the piston rod 42 of the cylinder 4 extends into the interior of the drying oven 1 through the casing on the side of the drying oven 1, and the pressure sensor 3 is fixed on the top of the piston rod 42 of the cylinder 4. The top of the piston rod 42 is facing the outer peripheral surfa...

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Abstract

The invention discloses an insulator mandrel hot-state bending resistance testing machine, which comprises a constant temperature oven, the top of the oven is provided with a chuck, and the workpiece to be tested axially passes through the through hole provided on the top of the oven and is connected to the oven. The chuck is matched and fixed, and a radial loading device is provided on one side of the oven, and a pressure sensor is provided on the radial loading device. The invention is simple to operate. After inserting the workpiece to be tested into the oven and fixing it, open the cylinder and slowly apply radial pressure to it to judge whether the bending strength of the product meets the requirements. During the test, the temperature in the oven can be adjusted to simulate the workpiece at different temperatures. The flexural performance reflected in the following is easy to use and accurate in detection, ensuring the pass rate of the product.

Description

technical field [0001] The invention relates to a strength testing device, in particular to a hot-state bending resistance testing machine for an insulator mandrel. Background technique [0002] High-voltage transmission lines are spread all over the world. Every part of the transmission line must be able to be used normally in a complex climate environment. Test to ensure that the products shipped from the factory can be used normally in severe weather. Existing bending tests lack special equipment and are carried out at room temperature. There is a large difference between the test environment and the actual use environment. The test results cannot accurately reflect the real bending performance, and the product quality cannot be strictly guaranteed. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a hot-state bending resistance testing machine for an insulator mandrel, the test result is accurate and reliable...

Claims

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Application Information

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IPC IPC(8): G01N3/20G01N3/02
Inventor 郑洪蛟李学义陆如超
Owner 江苏凤凰电气股份有限公司