CN106018252A - Multifunctional numerical-control stress corrosion instrument - Google Patents
Multifunctional numerical-control stress corrosion instrument Download PDFInfo
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- CN106018252A CN106018252A CN201610496267.3A CN201610496267A CN106018252A CN 106018252 A CN106018252 A CN 106018252A CN 201610496267 A CN201610496267 A CN 201610496267A CN 106018252 A CN106018252 A CN 106018252A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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Abstract
The invention discloses a multifunctional numerical-control stress corrosion instrument. The multifunctional numerical-control stress corrosion instrument comprises a working trough (8), a liquid storage trough (15), a heating system, a liquid supply system and a liquid discharging system, and is characterized in that the working trough (8) and the liquid storage trough (15) are installed on an instrument body (6), the working trough (8) is disposed above the liquid storage trough (15); the liquid supply system, the liquid discharging system and a cycling stirring system are installed between the working trough (8) and the liquid storage trough (15); the liquid storage trough (15) is connected with the heating system, the working trough (8) is provided with an overflow pipeline (10); the heating system comprises a heating element (17), a temperature sensor (13) and a temperature adjuster; the temperature sensor (13) and the heating element (17) are installed on the liquid storage trough (15), and a liquid level meter (12) is installed in the liquid storage trough (15). The multifunctional numerical-control stress corrosion instrument is simple in structure, high in efficiency, reliable, convenient to operate, stable, practical and suitable for being popularized in the stress corrosion test of various alloy materials and products thereof.
Description
Technical field
The invention belongs to corrosion testing apparatus technical field, relate in particular to a kind of multifunctional numerical control stress corrosion instrument.
Background technology
Along with high-strength aluminum alloy is the most necessary in the long-term stress corrosion testing of the extensive application of aircraft industry, high-strength aluminum alloy material and product.Multi-functional stress corrosion instrument is applicable to stress corrosion (cracking) test during high-strength alloy material and products thereof long.Test principle is: is put into by the sample of prestrain and soaks 10 minutes equipped with in the work nest of corrosive liquid, then makes sample depart from corrosive liquid and carries out drying 50 minutes, such iterative cycles.One circulates 60 minutes, and the test period is 30 days.
In prior art, home and abroad stress corrosion (cracking) test all uses uniaxial loading stretching mode, i.e. installs etching tank on tensile testing machine additional and carries out stress corrosion (cracking) test.Once can only make a sample.A collection of product need to make 5 samples by technical conditions, needs 5 equipment.Owing to test progress is the cycle of one month, if an equipment, the corrosion testing that just can complete a product for 5 months；5 equipment also can be only done the corrosion testing of a product for 1 month.At present, domestic stress corrosion (cracking) test, material sample thickness, the employing C ring test of diameter 18mm；Thickness, the employing uniaxial loading tensile sample of diameter 18mm are tested.Subject matter shows: device structure is complicated, function is the most single, inefficiency, and operating process is the most numerous and diverse, cannot meet test requirements document.
Summary of the invention
A kind of simple in construction of it is an object of the invention to overcome disadvantages mentioned above and provide, high efficient and reliable, practical multifunctional numerical control stress corrosion instrument easy to operate, stable.
The object of the invention and solve its technical problem underlying and realize by the following technical solutions:
The multifunctional numerical control stress corrosion instrument of the present invention, including work nest, reservoir, heating system, liquid-supplying system, drainage system, wherein: work nest and reservoir are contained on instrument body, work nest is positioned at above reservoir, equipped with liquid-supplying system, drainage system and circulation stirring system between work nest and reservoir, connect on reservoir and have heating system, work nest is provided with overflow pipe.
Above-mentioned multifunctional numerical control stress corrosion instrument, wherein: heating system includes that heating element heater, temperature sensor and humidostat, temperature sensor and heating element heater are arranged on reservoir, in reservoir on equipped with liquidometer.
Above-mentioned multifunctional numerical control stress corrosion instrument, wherein: liquid-supplying system is made up of working barrel, liquid supply electromagnetic valve and feed liquid pipeline, and feed liquid pipeline is connected with work nest, working barrel and liquid supply electromagnetic valve are arranged on feed liquid pipeline.
Above-mentioned multifunctional numerical control stress corrosion instrument, wherein: circulation stirring system is made up of circulating line and circulating pump, circulating line two ends are connected with in working barrel and reservoir respectively, and circulating pump is arranged on circulating line.
Above-mentioned multifunctional numerical control stress corrosion instrument, wherein: drainage system includes draining solenoid valve and Drainage pipe, Drainage pipe two ends respectively with work nest and reservoir, draining solenoid valve is arranged on Drainage pipe.
Above-mentioned multifunctional numerical control stress corrosion instrument, wherein: instrument body top, equipped with man machine interface, man machine interface is provided with temperature control instrument, power supply indicator, buzzer, scram button.
Above-mentioned multifunctional numerical control stress corrosion instrument, wherein: equipped with drying fan above work nest.
Above-mentioned multifunctional numerical control stress corrosion instrument, wherein: instrument body side is equipped with radiator fan.
The present invention compared with the existing technology has clear advantage and beneficial effect.From above technical scheme, in the multifunctional numerical control stress corrosion instrument of the present invention, work nest and reservoir are contained on instrument body, work nest is positioned at above reservoir, work nest uses PVC engineering plastics to make, and the inside is equipped with corrosive liquid, for sample is carried out corrosion testing；Reservoir uses PVC plastic to make equally, and volume is 3～5 times of work nest, is used for laying in corrosive liquid, provides the corrosive liquid of specified temp for work nest；Heating system includes heating element heater, temperature sensor and humidostat, temperature sensor and heating element heater are arranged on reservoir, equipped with liquidometer in reservoir, temperature sensor and heating element heater are arranged in reservoir, being automatically adjusted of temperature is realized by temperature controller, heating-up temperature can arbitrarily set, generally room temperature～60 DEG C；Circulation stirring system is made up of circulating line and circulating pump, circulating line two ends are connected with in working barrel and reservoir respectively, circulating pump is arranged on circulating line, noncorrosive pump selected by circulating pump, the corrosive liquid in reservoir is forced to circulate by circulating pump, play stirring action, make tank liquor temperature evenly；Liquid-supplying system is made up of working barrel, liquid supply electromagnetic valve and feed liquid pipeline, feed liquid pipeline is connected with work nest, working barrel and liquid supply electromagnetic valve are arranged on feed liquid pipeline, impregnation stage working barrel and liquid supply electromagnetic valve are opened, corrosive liquid in reservoir is extracted into work nest, corrosive liquid unnecessary after pumping full flows back to reservoir by overflow pipe, guarantee that work nest liquid level is always consistent, in whole immersion process, corrosive liquid circulates between work nest and reservoir, it is ensured that the concordance of temperature of liquid in work nest and reservoir；Drainage system includes draining solenoid valve and Drainage pipe, Drainage pipe two ends respectively with work nest and reservoir, draining solenoid valve is arranged on Drainage pipe, dries stage working barrel and liquid supply electromagnetic valve is closed, and draining solenoid valve is opened, in work nest, liquid flows back to reservoir naturally, sample leaves corrosive liquid, it is achieved dry, for ensureing to dry effect, it is contained in and dries starting fan above work nest, it is ensured that air circulates；Instrument body top is equipped with man machine interface, temperature control instrument, power supply indicator, buzzer, scram button it is provided with in man machine interface, realize process of the test being automatically controlled and parameter setting, as soak time, flash-off time, cycle-index can arbitrarily set, and show test parameters in real time, monitoring test state, has liquid level warning, overtemperature alarm, crosses the functions such as stream warning, urgent-stop alarm.Being provided with overflow pipe on work nest, corrosive liquid unnecessary in work nest flows back to reservoir by overflow pipe, it is ensured that constant liquid level in work nest；Equipped with drying fan above work nest, strengthen air circulation, improve and dry effect；Equipped with liquidometer in reservoir, liquidometer is used for liquid level warning, reminds user of service to supplement corrosive liquid.In a word, present configuration is simple, high efficient and reliable, practicality easy to operate, stable, be suitable for the promoting the use of of stress corrosion (cracking) test of various alloy materials and products thereof.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Figure identifies:
1, temperature control instrument；2, man machine interface；3, power supply indicator；4, buzzer；5, scram button；6, instrument body；7, fan is dried；8, work nest；9, fan Hot-air fan；10, overflow pipe；11, draining solenoid valve；12, liquidometer；13, temperature sensor；14, Drainage pipe；15, reservoir；16, castor；17, heating element heater；18, circulating line；19, circulating pump；20, working barrel；21, liquid supply electromagnetic valve；22, electric cabinet；23, feed liquid pipeline；24, total power switch.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, to multifunctional numerical control stress corrosion instrument detailed description of the invention, structure, feature and effect thereof of proposing according to the present invention, after describing in detail such as.
See Fig. 1, the multifunctional numerical control stress corrosion instrument of the present invention, including work nest 8, reservoir 15, heating system, liquid-supplying system, drainage system, wherein: work nest 8 and reservoir 15 are contained on instrument body 6, work nest 8 is positioned at above reservoir 15, equipped with liquid-supplying system, drainage system and circulation stirring system between work nest 8 and reservoir 15, reservoir 15 connects and has heating system, work nest 8 is provided with overflow pipe 10.Heating system includes that heating element heater 17, temperature sensor 13 and humidostat, temperature sensor 13 and heating element heater 17 are arranged on reservoir 15, equipped with liquidometer 12 on 15 in reservoir.Liquid-supplying system is made up of working barrel 20, liquid supply electromagnetic valve 21 and feed liquid pipeline 23, and feed liquid pipeline 23 is connected with work nest 8, and working barrel 20 and liquid supply electromagnetic valve 21 are arranged on feed liquid pipeline 23.Circulation stirring system is made up of circulating line 18 and circulating pump 19, and circulating line 18 two ends are connected with in working barrel 20 and reservoir 15 respectively, and circulating pump 19 is arranged on circulating line 18.Drainage system includes draining solenoid valve 11 and Drainage pipe 14, Drainage pipe 14 two ends respectively with work nest 8 and reservoir 15, draining solenoid valve 11 is arranged on Drainage pipe 14.Instrument body 6 top, equipped with man machine interface 2, man machine interface 2 is provided with temperature control instrument 1, power supply indicator 3, buzzer 4, scram button 5.Equipped with drying fan 7 above work nest 8.Instrument body 6 side is equipped with radiator fan 9.
During use, first sample is positioned on the machine frame in work nest 8, instrument is placed in automatic mode, set soak time, flash-off time and cycle-index, until the corrosive liquid temperature in reservoir 15 reach temperature required after can start program perform process of the test.Working barrel 20 and liquid supply electromagnetic valve 21 are opened, corrosive liquid in reservoir 15 is extracted into work nest 8, and corrosive liquid unnecessary after pumping full flows back to reservoir 15 by overflow pipe 10, it is achieved constant liquid level, after soak time terminates, working barrel 20 and liquid supply electromagnetic valve 21 are closed, and draining solenoid valve 11 is opened simultaneously, and the corrosive liquid in work nest 8 flows back to reservoir 15, sample leaves corrosive liquid, the stage is dried in entrance, dries fan 7 simultaneously and opens, and strengthens air circulation.After flash-off time terminates, draining solenoid valve 11 is closed, and working barrel 20 and liquid supply electromagnetic valve 21 are again turned on, and enters next impregnation stage, so circulates, until cycle-index is to rear off-test.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is made any pro forma restriction, any without departing from technical solution of the present invention content, any simple modification, equivalent variations and the modification made above example according to the technical spirit of the present invention, all still falls within the range of technical solution of the present invention.
Claims (8)
1. a multifunctional numerical control stress corrosion instrument, including work nest (8), reservoir (15), heating system, liquid-supplying system, drainage system, it is characterized in that: work nest (8) and reservoir (15) are contained on instrument body (6), work nest (8) is positioned at reservoir (15) top, equipped with liquid-supplying system, drainage system and circulation stirring system between work nest (8) and reservoir (15), the upper connection of reservoir (15) has heating system, and work nest (8) is provided with overflow pipe (10).
2. multifunctional numerical control stress corrosion instrument as claimed in claim 1, it is characterized in that: heating system includes heating element heater (17), temperature sensor (13) and humidostat, temperature sensor (13) and heating element heater (17) are arranged on reservoir (15), equipped with liquidometer (12) on (15) in reservoir.
3. multifunctional numerical control stress corrosion instrument as claimed in claim 1, it is characterized in that: liquid-supplying system is made up of working barrel (20), liquid supply electromagnetic valve (21) and feed liquid pipeline (23), feed liquid pipeline (23) is connected with work nest (8), and working barrel (20) and liquid supply electromagnetic valve (21) are arranged on feed liquid pipeline (23).
4. multifunctional numerical control stress corrosion instrument as claimed in claim 1, it is characterized in that: circulation stirring system is made up of circulating line (18) and circulating pump (19), circulating line (18) two ends are connected with (15) in working barrel (20) and reservoir respectively, and circulating pump (19) is arranged on circulating line (18).
5. multifunctional numerical control stress corrosion instrument as claimed in claim 1, it is characterized in that: drainage system includes draining solenoid valve (11) and Drainage pipe (14), Drainage pipe (14) two ends respectively with work nest (8) and reservoir (15), draining solenoid valve (11) is arranged on Drainage pipe (14).
6. multifunctional numerical control stress corrosion instrument as claimed in claim 1, it is characterized in that: instrument body (6) top, equipped with man machine interface (2), man machine interface (2) is provided with temperature control instrument (1), power supply indicator (3), buzzer (4), scram button (5).
7. multifunctional numerical control stress corrosion instrument as claimed in claim 1, it is characterised in that: work nest (8) top is equipped with drying fan (7).
8. multifunctional numerical control stress corrosion instrument as claimed in claim 1, it is characterised in that: instrument body (6) side is equipped with radiator fan (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496267.3A CN106018252A (en) | 2016-06-30 | 2016-06-30 | Multifunctional numerical-control stress corrosion instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610496267.3A CN106018252A (en) | 2016-06-30 | 2016-06-30 | Multifunctional numerical-control stress corrosion instrument |
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| CN106018252A true CN106018252A (en) | 2016-10-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442137A (en) * | 2016-11-07 | 2017-02-22 | 西南交通大学 | Intelligent circulating liquid feeding device and intelligent circulating liquid feeding method for lining accelerated corrosion test |
| CN108051278A (en) * | 2017-11-28 | 2018-05-18 | 上海航天精密机械研究所 | Steel curved beam etching pit device |
| CN109115677A (en) * | 2018-09-19 | 2019-01-01 | 长江水利委员会长江科学院 | Constant current cycle seepage environment lower prestress anchor pole corrosion test system and its test method |
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| US4346587A (en) * | 1980-10-30 | 1982-08-31 | Drew Chemical Corporation | Process and apparatus for testing fluids for fouling and antifoulant protocol |
| CN103616485A (en) * | 2013-12-10 | 2014-03-05 | 中国航空工业标准件制造有限责任公司 | Multifunctional numerical control stress corrosion testing device |
| CN203733016U (en) * | 2013-12-02 | 2014-07-23 | 武汉钢铁(集团)公司 | Automatic fluid infusion device of metal corrosion test box |
| CN104020099A (en) * | 2014-05-27 | 2014-09-03 | 中国科学院金属研究所 | Periodic soaking accelerated corrosion test system for metal material and metal protective coating and application thereof |
| US20140306726A1 (en) * | 2011-11-01 | 2014-10-16 | Naigai Chemical Products Co., Ltd. | Metal pipe corrosion monitoring device and use thereof |
| CN204128940U (en) * | 2014-10-17 | 2015-01-28 | 中国人民解放军第五七二一工厂 | A kind of metal material gross imperfection hot acid corrosion testing device |
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2016
- 2016-06-30 CN CN201610496267.3A patent/CN106018252A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4346587A (en) * | 1980-10-30 | 1982-08-31 | Drew Chemical Corporation | Process and apparatus for testing fluids for fouling and antifoulant protocol |
| US20140306726A1 (en) * | 2011-11-01 | 2014-10-16 | Naigai Chemical Products Co., Ltd. | Metal pipe corrosion monitoring device and use thereof |
| CN203733016U (en) * | 2013-12-02 | 2014-07-23 | 武汉钢铁(集团)公司 | Automatic fluid infusion device of metal corrosion test box |
| CN103616485A (en) * | 2013-12-10 | 2014-03-05 | 中国航空工业标准件制造有限责任公司 | Multifunctional numerical control stress corrosion testing device |
| CN104020099A (en) * | 2014-05-27 | 2014-09-03 | 中国科学院金属研究所 | Periodic soaking accelerated corrosion test system for metal material and metal protective coating and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442137A (en) * | 2016-11-07 | 2017-02-22 | 西南交通大学 | Intelligent circulating liquid feeding device and intelligent circulating liquid feeding method for lining accelerated corrosion test |
| CN108051278A (en) * | 2017-11-28 | 2018-05-18 | 上海航天精密机械研究所 | Steel curved beam etching pit device |
| CN109115677A (en) * | 2018-09-19 | 2019-01-01 | 长江水利委员会长江科学院 | Constant current cycle seepage environment lower prestress anchor pole corrosion test system and its test method |
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Application publication date: 20161012 |