CN106153324A - A kind of inflation fatigue test loading device - Google Patents
A kind of inflation fatigue test loading device Download PDFInfo
- Publication number
- CN106153324A CN106153324A CN201610606287.1A CN201610606287A CN106153324A CN 106153324 A CN106153324 A CN 106153324A CN 201610606287 A CN201610606287 A CN 201610606287A CN 106153324 A CN106153324 A CN 106153324A
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- valve
- way electromagnetic
- pipeline
- electromagnetic valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of inflation fatigue test loading device, the structure which solving is affected by inside and outside differential pressure in existing aeronautical engineering technical field easily produces the technical problem of fatigue damage, it includes three linked piece, two-position three way magnetic valve, 3 position-5 way electromagnetic valve, pipe throttle valve, 3 position-5 way electromagnetic valve, relief valve and ball valve, two-position three way magnetic valve is connected with three linked piece by pipeline, 3 position-5 way electromagnetic valve is connected with two-position three way magnetic valve by pipeline, ball valve is connected with 3 position-5 way electromagnetic valve by pipeline, relief valve is arranged on the front end pipeline of ball valve, the input of pipe throttle valve is connected with the pipeline of 3 position-5 way electromagnetic valve front end, the outfan of pipe throttle valve is connected with the input of 3 position-5 way electromagnetic valve, the outfan of 3 position-5 way electromagnetic valve is connected with the pipeline of 3 position-5 way electromagnetic valve rear end.The present invention is widely used in aeronautical engineering technical field.
Description
Technical field
The present invention relates to aeronautical engineering technical field, especially relate to a kind of inflation fatigue test loading device.
Background technology
In aeronautical engineering technical field, a lot of structures, the inside and outside differential pressure such as aircraft cabin section is continually changing, thus quite
In being applied with periodic gas pressure loads to cabin section, the long-term effect of these gas pressure loads can cause structure fatigue damage occur,
And then structural failure phenomenon occurs, therefore from the angle of aviation safety, it is necessary to these structures are inflated fatigue and add
Carry test, to determine the weakness zone of structure, and improved in design.How to testing, it has also become this area skill
The technical problem that art personnel are urgently to be resolved hurrily.
Summary of the invention
The present invention is to solve that the structure affected by inside and outside differential pressure in existing aeronautical engineering technical field easily produces fatigue
The technical problem of damage, it is provided that a kind of inflation fatigue test loading device that can prevent and improve fatigue damage.
The present invention provides a kind of inflation fatigue test loading device, including three linked piece, two-position three way magnetic valve, 3 position-5 way
Electromagnetic valve, pipe throttle valve, 3 position-5 way electromagnetic valve, relief valve and ball valve, two-position three way magnetic valve passes through pipeline and three linked piece
Connecting, 3 position-5 way electromagnetic valve is connected with two-position three way magnetic valve by pipeline, and ball valve is by pipeline and 3 position-5 way electromagnetic valve
Connecting, relief valve is arranged on the front end pipeline of ball valve, the input of pipe throttle valve and the pipe of 3 position-5 way electromagnetic valve front end
Road connects, and the outfan of pipe throttle valve is connected with the input of 3 position-5 way electromagnetic valve, the outfan of 3 position-5 way electromagnetic valve
It is connected with the pipeline of 3 position-5 way electromagnetic valve rear end.
Preferably, also including Pressure gauge, snap joint and air compressor, air compressor passes through snap joint and three
Part connects, and described Pressure gauge is connected with ball valve.
The invention has the beneficial effects as follows, it is possible to achieve the inflation fatigue loading to testpieces, in order to analyze the knot of testpieces
Structure defect and weakness zone.This device can provide the testing pressure scope to be: 0.1-300KPa, and cycle-index is: 0-17000 time,
Cycle period is: 0.5-1.5s.Testpieces can periodically be inflated fatigue loading by assay device, the parameter of test,
As: testing pressure peak-to-valley value, cycle-index and cycle period all can the most arbitrarily set, and to these test ginsengs
Number carries out Real-time Collection and display, has superpressure undervoltage warning function.
Further aspect of the present invention, by the description of detailed description below, is clearly stated that.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Symbol description in figure:
1. snap joint, 2. three linked piece, 3. two-position three way magnetic valve, 4. 3 position-5 way electromagnetic valve, 5. pipe throttle valve, 6.
3 position-5 way electromagnetic valve, 7. relief valve, 8. ball valve, 9. Pressure gauge, 10. testpieces, 11. pressure transducers, 12. adapters.
Detailed description of the invention
As it is shown in figure 1, the present invention includes air compressor, test console and data acquisition unit.Test console bag
Include three linked piece 2, two-position three way magnetic valve 3,3 position-5 way electromagnetic valve 4, pipe throttle valve 5,3 position-5 way electromagnetic valve 6, relief valve
7, ball valve 8 and Pressure gauge 9, two-position three way magnetic valve 3 is connected with three linked piece 2 by pipeline, and 3 position-5 way electromagnetic valve 4 passes through pipeline
Being connected with two-position three way magnetic valve 3, ball valve 8 is connected with 3 position-5 way electromagnetic valve 4 by pipeline, and relief valve 7 is arranged on ball valve 8
On the pipeline of front end.The input of pipe throttle valve 5 is connected with the pipeline of 3 position-5 way electromagnetic valve 4 front end, pipe throttle valve 5 defeated
Go out end to be connected with the input of 3 position-5 way electromagnetic valve 6, after the outfan of 3 position-5 way electromagnetic valve 6 and 3 position-5 way electromagnetic valve 4
The pipeline of end connects.
Testpieces 10 is connected with ball valve 8 by pipeline, and pressure transducer 11 is connected with testpieces 10 by adapter 12.Examination
Test the pipeline between part 10 and ball valve 8 and Pressure gauge 9 is installed.
The outfan of air compressor is connected with three linked piece 2 by snap joint 1.
The gases at high pressure provided by air compressor enter test console from snap joint 1, flow through three linked piece 2 and two
The gas circuit that three-way magnetic valve 3 is in series, is then divided into main gas circuit and regulation gas circuit.Main gas circuit is by a 3 position-5 way electromagnetic valve
4 compositions, regulation gas circuit is in series by pipe throttle valve 5 and 3 position-5 way electromagnetic valve 6, and regulation gas circuit is mainly to entering test
The gas pressure intensity of part dynamically regulates, thus realizes the inflation fatigue loading to testpieces.
Gas by converging again, after main gas circuit and regulation gas circuit after relief valve 7, ball valve 8, Pressure gauge 9
Rear input testpieces 10, when the pressure in gas circuit exceedes the safe pressure setting value of relief valve 7, relief valve 7 can be with automatic leakage
Pressure, ensures pilot system and the safety of testpieces 10.
An inflation/deflation process is designated as a circulation in test, and after reaching the test cycle number of times specified, this fills
Gas fatigue test loading device can be automatically stopped test.
In process of the test, by the gas pressure intensity in the real-time monitoring test part 10 of pressure transducer 11.
The pressure output signal of pressure transducer 11 sends data acquisition unit to carry out storing, analyzing.
Test console carries out pressurising and pressure release by pipeline to testpieces 10, it is achieved the pressure in testpieces is triangular wave
Deformation, to complete the inflation fatigue loading to testpieces, one time inflation/deflation process is a cycle period, according to this process
Being circulated loading, until completing the cycle-index of regulation, then testing stopping.
The above, only to the preferred embodiments of the present invention, is not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.In the range of every claim in the present invention limits, done
Any modification, equivalent substitution and improvement etc., all should be within protection scope of the present invention.
Claims (2)
1. an inflation fatigue test loading device, it is characterised in that include three linked piece, two-position three way magnetic valve, 3 position-5 way
Electromagnetic valve, pipe throttle valve, 3 position-5 way electromagnetic valve, relief valve and ball valve, described two-position three way magnetic valve passes through pipeline and institute
Stating three linked piece to connect, described 3 position-5 way electromagnetic valve is connected with two-position three way magnetic valve by pipeline, and ball valve passes through pipeline and three
Position five-way electromagnetic valve connects, and relief valve is arranged on the front end pipeline of ball valve, the input of described pipe throttle valve and three five
The pipeline of three-way electromagnetic valve front end connects, and the outfan of described pipe throttle valve is connected with the input of 3 position-5 way electromagnetic valve, and three
The position outfan of five-way electromagnetic valve is connected with the pipeline of 3 position-5 way electromagnetic valve rear end.
Inflation fatigue test loading device the most according to claim 1, it is characterised in that also include Pressure gauge, quickly connect
Head and air compressor, described air compressor is connected with described three linked piece by snap joint, described Pressure gauge and described ball
Valve connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606287.1A CN106153324A (en) | 2016-07-28 | 2016-07-28 | A kind of inflation fatigue test loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606287.1A CN106153324A (en) | 2016-07-28 | 2016-07-28 | A kind of inflation fatigue test loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106153324A true CN106153324A (en) | 2016-11-23 |
Family
ID=58060206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606287.1A Pending CN106153324A (en) | 2016-07-28 | 2016-07-28 | A kind of inflation fatigue test loading device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106153324A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441910A (en) * | 2016-10-20 | 2017-02-22 | 中国人民解放军国防科学技术大学 | Solid engine high-pressure intensity cold air rapid impact loading test system and method |
| CN106525617A (en) * | 2016-11-30 | 2017-03-22 | 江西洪都航空工业集团有限责任公司 | Pressurizing fatigue test device for large-capacity cavity or semi-enclosed cavity |
| CN106706453A (en) * | 2016-12-05 | 2017-05-24 | 潍柴动力股份有限公司 | Part fatigue test crack monitoring method |
| CN106768932A (en) * | 2016-12-02 | 2017-05-31 | 航天科工哈尔滨风华有限公司电站设备分公司 | A kind of Pneumatic pressure buffer element test device |
| CN107796607A (en) * | 2017-10-11 | 2018-03-13 | 中国航发南方工业有限公司 | Film cycle charge discharge gas fatigability detection means and method |
| CN108287485A (en) * | 2017-12-04 | 2018-07-17 | 中国飞机强度研究所 | A kind of inflation method of more inflation bracket loading test platforms |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6732591B2 (en) * | 2000-08-09 | 2004-05-11 | Rolls-Royce Plc | Device and method for fatigue testing of materials |
| CN202075189U (en) * | 2011-02-22 | 2011-12-14 | 上海理工技术转移有限公司 | Air circulating system |
| CN202076670U (en) * | 2011-05-10 | 2011-12-14 | 鞍钢股份有限公司 | Pressure regulating device for gas mixer of laser welding machine |
| US20130275096A1 (en) * | 2012-04-16 | 2013-10-17 | International Business Machines Corporation | Solder Joint Fatigue Life Prediction Method |
| CN204705552U (en) * | 2015-04-29 | 2015-10-14 | 凯迈（洛阳）气源有限公司 | A kind of Portable Automatic air pressure fatigue experimental device |
-
2016
- 2016-07-28 CN CN201610606287.1A patent/CN106153324A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6732591B2 (en) * | 2000-08-09 | 2004-05-11 | Rolls-Royce Plc | Device and method for fatigue testing of materials |
| CN202075189U (en) * | 2011-02-22 | 2011-12-14 | 上海理工技术转移有限公司 | Air circulating system |
| CN202076670U (en) * | 2011-05-10 | 2011-12-14 | 鞍钢股份有限公司 | Pressure regulating device for gas mixer of laser welding machine |
| US20130275096A1 (en) * | 2012-04-16 | 2013-10-17 | International Business Machines Corporation | Solder Joint Fatigue Life Prediction Method |
| CN204705552U (en) * | 2015-04-29 | 2015-10-14 | 凯迈（洛阳）气源有限公司 | A kind of Portable Automatic air pressure fatigue experimental device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441910A (en) * | 2016-10-20 | 2017-02-22 | 中国人民解放军国防科学技术大学 | Solid engine high-pressure intensity cold air rapid impact loading test system and method |
| CN106525617A (en) * | 2016-11-30 | 2017-03-22 | 江西洪都航空工业集团有限责任公司 | Pressurizing fatigue test device for large-capacity cavity or semi-enclosed cavity |
| CN106768932A (en) * | 2016-12-02 | 2017-05-31 | 航天科工哈尔滨风华有限公司电站设备分公司 | A kind of Pneumatic pressure buffer element test device |
| CN106706453A (en) * | 2016-12-05 | 2017-05-24 | 潍柴动力股份有限公司 | Part fatigue test crack monitoring method |
| CN106706453B (en) * | 2016-12-05 | 2019-08-27 | 潍柴动力股份有限公司 | A kind of Parts test crack monitoring method |
| CN107796607A (en) * | 2017-10-11 | 2018-03-13 | 中国航发南方工业有限公司 | Film cycle charge discharge gas fatigability detection means and method |
| CN107796607B (en) * | 2017-10-11 | 2020-05-15 | 中国航发南方工业有限公司 | Device and method for detecting fatigue of circular inflation and deflation of film |
| CN108287485A (en) * | 2017-12-04 | 2018-07-17 | 中国飞机强度研究所 | A kind of inflation method of more inflation bracket loading test platforms |
| CN108287485B (en) * | 2017-12-04 | 2020-10-20 | 中国飞机强度研究所 | Inflation method of multi-inflation loading test bed |
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Application publication date: 20161123 |
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