CN208921599U - Metal material tension-torsion composite fatigue original position salt spray corrosion test device - Google Patents
Metal material tension-torsion composite fatigue original position salt spray corrosion test device Download PDFInfo
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- CN208921599U CN208921599U CN201821570689.1U CN201821570689U CN208921599U CN 208921599 U CN208921599 U CN 208921599U CN 201821570689 U CN201821570689 U CN 201821570689U CN 208921599 U CN208921599 U CN 208921599U
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Abstract
A kind of metal material tension-torsion composite fatigue original position salt spray corrosion test device.It includes environmental chamber, flexible plastic film, O-ring seal and adhesive waterproof tape, connecting rope；Metal material tension-torsion composite fatigue original position provided by the utility model salt spray corrosion test device, the experimental study for bearing the fatigue life rule of tension-torsion combined load in salt air corrosion medium to metal material can be met, simple possible, cost is relatively low, can in real time comprehensive observation sample to be tested state.
Description
Technical field
The utility model belongs to metal material in-situ test device technical field, more particularly to a kind of metal material tension-torsion
Composite fatigue original position salt spray corrosion test device.
Background technique
Currently used for carrying out the testing machine of tension-torsion composite fatigue, it is generally not equipped with special in-situ corrosion device, and tension-torsion
Multiaxis stress can make the processing of device air-tightness become complicated during fatigue loading, lead to metal material under the conditions of in-situ corrosion
The tension-torsion Fatigue Life Research of material is restricted.This requires provide a kind of original position suitable for metal material tension-torsion composite fatigue
Salt spray corrosion test device, makes that the salt air corrosion tension-torsion fatigue test in situ of metal material becomes simple and easy, cost is relatively low, from
And push the development in the field.
When carrying out salt air corrosion-multiaxle fatigue experimental in situ to metal material, needs to consider that both sides requires: 1, protecting
The air-tightness for demonstrate,proving in-situ corrosion device, this is because the corrosive medium in the device is revealed, it will high-precision non-proportional loading is tried
The machine of testing damages, and test is caused to be unable to complete；2, meet the smooth flow of corrosive medium in the device, while can be to sample
Comprehensive real-time observation, the accuracy and controllability of guarantee test.In recent years, some scholars also to in-situ corrosion fatigue device into
Research is gone.It is in two as disclosed in Chinese utility model patent CN201320313269 " split-type corrosion fatigue test environmental cabinet "
The corrosive environment case of petaloid needs large area to be sealed processing although structure is simple, not easy to operate.It is practical for another China
Assembly environmental test chamber disclosed in new patent CN201520194288 " a kind of corrosion fatigue test environmental cabinet ", although guaranteeing
Leakproofness, but it is not suitable for non-proportional loading stress, and only there are two observation windows, can not carry out comprehensive sight to sample
It examines.
Summary of the invention
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of simple and easy, lower-cost metals
Material tension-torsion composite fatigue original position salt spray corrosion test device.
In order to achieve the above object, metal material tension-torsion composite fatigue original position provided by the utility model salt spray corrosion test
The active section of tension-torsion combined load fatigue testing machine is arranged in device, and the tension-torsion combined load fatigue testing machine includes crane, lower work
Dynamic cylinder, upper cylinder and pedestal；Wherein the upper end of upper cylinder is fixed in the middle part of the crossbeam of crane, and the lower end of lower cylinder is solid
It is scheduled on the pedestal being located at below upper cylinder；The metal material tension-torsion composite fatigue original position salt spray corrosion test device packet
Include environmental chamber, flexible plastic film, O-ring seal and adhesive waterproof tape, connecting rope；Wherein part in the top and bottom of environmental chamber
It is not formed with the sample through hole matched with the sectional dimension of sample to be tested and shape, top surface outside left spacing distance
Equipped with multiple lifting lugs, an air inlet and a gas outlet are respectively equipped on left and right side, for salt air corrosion in environmental chamber
The circulation of medium；The edge of each sample through hole extends vertically outward and forms a convex edge；It upper cylinder and each hangs
A connecting rope, the fixation for environmental chamber are separately connected between ear；The two of environmental chamber are inserted in the middle part of sample to be tested
In a sample through hole, the upper and lower side outside environmental chamber is clamping end, and two clamping ends are respectively by upper cylinder under
Cylinder clamps；On sample to be tested and sample through hole between convex edge using flexible plastic film, O-ring seal and adhesive waterproof tape into
Row sealing is fixed.
The environmental chamber is the disc-shaped container made of the resistant material including organic glass.
The quantity of the lifting lug is four, and the spaced set on the top surface of environmental chamber.
Metal material tension-torsion composite fatigue original position provided by the utility model salt spray corrosion test device, can meet to metal
Material bears the experimental study of the fatigue life rule of tension-torsion combined load in salt air corrosion medium, simple possible, cost compared with
It is low, can in real time comprehensive observation sample to be tested state.
Detailed description of the invention
Fig. 1 is the signal of metal material tension-torsion composite fatigue original position provided by the utility model salt spray corrosion test apparatus structure
Figure.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, metal material tension-torsion composite fatigue original position provided by the utility model salt spray corrosion test device is set
The active section in tension-torsion combined load fatigue testing machine 1 is set, the tension-torsion combined load fatigue testing machine 1 includes crane 11, lower actuation
Cylinder 2, upper cylinder 9 and with pedestal 12；Wherein the upper end of upper cylinder 9 is fixed in the middle part of the crossbeam of crane 11, lower cylinder 2
Lower end be fixed on the pedestal 12 of 9 lower section of upper cylinder；The metal material tension-torsion composite fatigue original position salt fog is rotten
Corrosion test device includes environmental chamber 5, flexible plastic film 6, O-ring seal and adhesive waterproof tape 7, connecting rope 8；Wherein environmental chamber 5
Top and bottom in the middle part of be respectively formed with the sample through hole matched with the sectional dimension of sample to be tested 3 and shape,
Top surface outside left spacing distance is equipped with multiple lifting lugs, is respectively equipped with an air inlet 4 and a gas outlet 10 on left and right side,
Circulation for salt fog corrosive medium in environmental chamber 5；The edge of each sample through hole extends vertically outward and forms one
A convex edge；A connecting rope 8, the fixation for environmental chamber 5 are separately connected between upper cylinder 9 and each lifting lug；It is to be tested
The middle part of sample 3 is inserted in two sample through holes of environmental chamber 5, and the upper and lower side outside environmental chamber 5 is clamping end,
Two clamping ends are clamped by upper cylinder 9 and lower cylinder 2 respectively；It is sharp between convex edge on sample to be tested 3 and sample through hole
Fixation is sealed with flexible plastic film 6, O-ring seal and adhesive waterproof tape 7.
The environmental chamber 5 is the disc-shaped container made of the resistant material including organic glass.
The quantity of the lifting lug is four, and the spaced set on the top surface of environmental chamber 5.
Now by the user of metal material tension-torsion composite fatigue original position provided by the utility model salt spray corrosion test device
Method is described below:
1) length of clamping end need to be greater than upper 9 He of cylinder on the sample to be tested 3 of in-situ corrosion tension-torsion fatigue test
Lower cylinder 2 clamps required length；
2) before testing, the middle part of sample to be tested 3 is inserted in two sample through holes of environmental chamber 5, it then will be to
It is fixed between convex edge using flexible plastic film 6, O-ring seal and adhesive waterproof tape 7 in test specimens 3 and sample through hole, to protect
Leakproofness during card tension-torsion fatigue loading between environmental chamber 5 and sample to be tested 3 prevents salt fog leakage in test；
3) air inlet 4 and gas outlet 10 are closed, the sample to be tested 3 of sealed connection and environmental chamber 5 is whole into the water,
Check leakproofness；
4) it after leak check is qualified, is clamped on sample to be tested 3 using the upper cylinder 9 of tension-torsion combined load fatigue testing machine
Then connecting rope 8 is passed through lifting lug and connect with the upper cylinder 9 of tension-torsion combined load fatigue testing machine 1, is achieved in by the clamping end in portion
The fixation of environmental chamber 5 then reduces upper cylinder 9, and the clamping end of 3 lower part of sample to be tested is clamped with lower cylinder 2；
5) by air inlet 4 imported into environmental chamber 5 salt fog and using tension-torsion combined load fatigue testing machine 1 start to carry out to
The fatigue test of test specimens 3；
8) after the test, cancel lower clamping of the cylinder 2 to sample to be tested 3；Connecting rope 8 is removed, cylinder 9 in cancellation
Sample to be tested 3 and 5 entirety of environmental chamber are removed in clamping to sample to be tested 3, are removed flexible plastic film 6, O closed type circle and are prevented
Glue band 7 finally takes out sample to be tested 3.
Metal material tension-torsion composite fatigue original position provided by the utility model salt spray corrosion test device, by tired in tension-torsion
The active section of labor testing machine installs environmental chamber additional, provides in-situ corrosion environment to bear the sample to be tested of tension-torsion fatigue load, can
The state of real-time comprehensive observation sample to be tested is suitable for each engineering field metal material under salt air corrosion tension-torsion combined load
Fatigue behaviour research.
Claims (3)
1. a kind of metal material tension-torsion composite fatigue original position salt spray corrosion test device is arranged in tension-torsion combined load fatigue testing machine
(1) active section, the tension-torsion combined load fatigue testing machine (1) include crane (11), lower cylinder (2), upper cylinder (9)
With pedestal (12)；Wherein the upper end of upper cylinder (9) is fixed in the middle part of the crossbeam of crane (11), the lower end of lower cylinder (2)
It is fixed on the pedestal (12) being located at below upper cylinder (9)；It is characterized by: the metal material tension-torsion composite fatigue is former
Position salt spray corrosion test device includes environmental chamber (5), flexible plastic film (6), O-ring seal and adhesive waterproof tape (7), connecting rope
(8)；The sectional dimension and shape of one with sample to be tested (3) are wherein respectively formed in the middle part of the top and bottom of environmental chamber (5)
The sample through hole that shape matches, top surface outside left spacing distance are equipped with multiple lifting lugs, are respectively equipped with one on left and right side
Air inlet (4) and a gas outlet (10) are used for the circulation of environmental chamber (5) interior salt fog corrosive medium；Each sample through hole
Edge extend vertically outward and form a convex edge；A connection is separately connected between upper cylinder (9) and each lifting lug
It restricts (8), is used for the fixation of environmental chamber (5)；Two samples perforation of environmental chamber (5) is inserted in the middle part of sample to be tested (3)
Kong Zhong, being located at environmental chamber (5) external upper and lower side is clamping end, and two clamping ends are respectively by upper cylinder (9) and lower actuation
Cylinder (2) clamps；Flexible plastic film (6), O-ring seal and waterproof are utilized on sample to be tested (3) and sample through hole between convex edge
Adhesive tape (7) is sealed fixation.
2. metal material tension-torsion composite fatigue original position according to claim 1 salt spray corrosion test device, it is characterised in that:
The environmental chamber (5) is the disc-shaped container made of the resistant material including organic glass.
3. metal material tension-torsion composite fatigue original position according to claim 1 salt spray corrosion test device, it is characterised in that:
The quantity of the lifting lug is four, and the spaced set on the top surface of environmental chamber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570689.1U CN208921599U (en) | 2018-09-26 | 2018-09-26 | Metal material tension-torsion composite fatigue original position salt spray corrosion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570689.1U CN208921599U (en) | 2018-09-26 | 2018-09-26 | Metal material tension-torsion composite fatigue original position salt spray corrosion test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208921599U true CN208921599U (en) | 2019-05-31 |
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ID=66707045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821570689.1U Expired - Fee Related CN208921599U (en) | 2018-09-26 | 2018-09-26 | Metal material tension-torsion composite fatigue original position salt spray corrosion test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208921599U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398054A (en) * | 2020-04-17 | 2020-07-10 | 中国航发北京航空材料研究院 | Comprehensive mechanical property testing device for simulating high-temperature salt spray corrosion environment |
| CN111879687A (en) * | 2020-06-05 | 2020-11-03 | 中国民航大学 | Semi-open type in-situ salt spray corrosion device suitable for optical measurement mechanics |
-
2018
- 2018-09-26 CN CN201821570689.1U patent/CN208921599U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398054A (en) * | 2020-04-17 | 2020-07-10 | 中国航发北京航空材料研究院 | Comprehensive mechanical property testing device for simulating high-temperature salt spray corrosion environment |
| CN111879687A (en) * | 2020-06-05 | 2020-11-03 | 中国民航大学 | Semi-open type in-situ salt spray corrosion device suitable for optical measurement mechanics |
| CN111879687B (en) * | 2020-06-05 | 2023-02-28 | 中国民航大学 | Semi-open type in-situ salt spray corrosion device suitable for optical measurement mechanics |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 Termination date: 20190926 |