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Pressure fatigue test stand test piece fixing device

A technology for fatigue testing and fixing devices, applied in measuring devices, testing of machines/structural components, instruments, etc., can solve problems such as strength reduction, material fatigue failure, safety issues, etc., and achieve the effect of easy installation and operation

Inactive Publication Date: 2009-10-21
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the action of periodically changing alternating stress, due to the manufacturing material of the equipment or the production process, the material will fail due to fatigue, the strength will be reduced, the performance of the product will be affected, and safety problems will be caused.

Method used

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  • Pressure fatigue test stand test piece fixing device
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Examples

Experimental program
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Effect test

Embodiment Construction

[0014] The pressure fatigue test bench test piece fixing device of the present invention consists of a backboard column 11 and a backboard beam 12 to form a backboard 1, a base longitudinal beam 21 and a base beam 22 to form a base 2, and a splint beam 31 and a splint column 32 to form a splint 3; The upper part of the plate 1 is connected to the upper part of the splint 3 through the tie rod 4, the lower part of the back plate 1 is connected to one end of the base 2, and the lower part of the splint 3 is connected to the middle part of the base 2; the lower part of the limit block 5 is connected to the base 2, and the limit The movable push rod 51 on the block 5 is connected with the bottom of the splint 3 . The splint 3 is made up of two symmetrical parts, that is, the outside is the splint column 32, and the inside is the upper, middle and lower three splint beams 31. Limiting block 5 is right-angled, and its lower plane is fixed on the base 2 by bolt pair 52, and its verti...

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PUM

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Abstract

The pressure fatigue test bench test piece fixing device is a pressure fatigue test bench test piece fixing device, which is used for various shapes and types of test pieces that need to be subjected to pressure fatigue tests (fatigue failure tests against periodic pressure changes), A device that provides installation and fixation to ensure that the test is carried out safely and normally is characterized in that the device is composed of a backboard column (11) and a backboard beam (12) to form a backboard (1), a base longitudinal beam (21) and a backboard beam (12). The base beam (22) forms the base (2), and the splint beam (31) and the splint column (32) form the splint (3); The lower part of the plate (1) is connected to one end of the base (2), the lower part of the splint (3) is connected to the middle part of the base (2); the lower part of the stop block (5) is connected to the base (2), and the stop block (5) ) on the movable push rod (51) is connected with the bottom of splint (3).

Description

technical field [0001] The invention is a test piece fixing device of a pressure fatigue test bench, which provides installation and fixation for various shapes and types of test pieces that need to be subjected to a pressure fatigue test (fatigue failure test against periodic pressure action), ensuring A device by which tests are carried out safely and normally. technical background [0002] Machinery, chemical industry and other industries use a variety of equipment, among which a large number of equipment work under the pressure of periodic changes, and these equipment are subjected to regular or irregular alternating stress. Under the action of periodically changing alternating stress, due to the manufacturing material of the equipment or the production process, the material will fail due to fatigue, the strength will be reduced, the performance of the product will be affected, and safety problems will be caused. Statistical results show that more than 80% of all kinds ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M19/00G01M99/00
Inventor 王晓
Owner SOUTHEAST UNIV
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