CN103105354B - A kind of sample tension short-term corrosion test machine - Google Patents
A kind of sample tension short-term corrosion test machine Download PDFInfo
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- CN103105354B CN103105354B CN201210532701.0A CN201210532701A CN103105354B CN 103105354 B CN103105354 B CN 103105354B CN 201210532701 A CN201210532701 A CN 201210532701A CN 103105354 B CN103105354 B CN 103105354B
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- 230000007797 corrosion Effects 0.000 title claims abstract description 50
- 238000005260 corrosion Methods 0.000 title claims abstract description 50
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 210000000621 bronchi Anatomy 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 239000000956 alloy Substances 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Abstract
The present invention relates to a kind of sample tension short-term corrosion test machine.It comprises corrosion cup and corrosive liquid timing agitating device.The air pump that described corrosive liquid timing agitating device comprises the main tracheae be inserted in corrosion cup, is connected to point bronchus on described main tracheae and is connected with described main tracheae.Described testing machine also comprises support, counterweight, upper towbar and lower towbar, described support comprises crossbeam, the upper end of described upper towbar is connected with described crossbeam, lower end is connected with described sample, the upper end of described lower towbar is fixedly connected with the bottom of described corrosion cup, and lower end is provided with counterweight seat, and described counterweight is piled up on counterweight seat, described corrosion cup top is also provided with the safety rope be fixedly connected with described crossbeam, also comprises sample fracture timing and alarming device.Beneficial effect is simple as sample tension corrosion sample apparatus structure, and detect data accurate, reliable, different alloy samples can be regulated by weights, easy to use.
Description
Technical field
The present invention relates to technical field of detection of metal, particularly relate to a kind of sample tension short-term corrosion test machine.
Background technology
In the industrial production, the key position material for some products needs to carry out tension corrosion test.As being applied in the sleeper beam on " motor-car ", be the critical piece that " motor-car " assembles vehicle, need high-strength, can weld, corrosion resistant 7N01 alloy, before assembling, its corrosion resistance must be detected.As shown in Figure 1, it adopts lever principle loading tensile to stress corrosion (cracking) test machine in the past used, and it exists following defect, one be due to sample around corrosive liquid diminish along with the prolongation concentration of etching time, make the test period very long; Two be this mechanism due to arm of force error, directly affect the size of moment, three axle center friction force is along with the prolongation of time, and drag size is also in continuous change, and the difference of degree of lubrication, also can affect experiment effect.In addition, apply the verticality of power, also can vary with each individual, all these, obviously also exist a lot of uncertain factor.Therefore, acquired results also will carry out the revision of the convention, and how much proper the revision of the convention is, clear and definite standard is not had yet, often there is dispute in both sides of supply and demand in actual testing, and three is can not Timeliness coverage after sample fracture, is not easy to timely writing time and processes sample.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of sample tension short-term corrosion test machine is provided.With more reasonably experimental configuration, improve sample testing precision and accelerate experimental period.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of sample tension short-term corrosion test machine, comprise corrosion cup, it is characterized in that, also comprise corrosive liquid timing agitating device and sample fracture timing and alarming device, described sample fracture timing and alarming device comprises support, counterweight, upper towbar and lower towbar, described support comprises crossbeam, the upper end of described upper towbar is connected with described crossbeam, lower end is connected with described sample, the upper end of described lower towbar is fixedly connected with the bottom of described corrosion cup, lower end is provided with counterweight seat, described counterweight is piled up on counterweight seat, the timing and alarming device that described sample fracture timing and alarming device also comprises tight thin copper wire line between described corrosion cup and crossbeam and is connected with thin copper wire line, sample holding device is provided with at the bottom of the cup of described corrosion cup.
The invention has the beneficial effects as follows: external force of the present invention is by corrosion cup, corrosive liquid and counterweight, the gravity that three adds up is exactly proof stress, this stress is applied directly within sample marking distance, on working portion, interspersed intermediate link, also the impact of frictional resistance and the foeign element such as arm of force moment and angle of inclination need not be considered, therefore, it detects data accurately, reliably.Different alloy samples can be regulated by weights, easy to use, adopts timing and alarming device, can not only when experimenter be absent from the scene, accurate recording rupture time, also can send alerting signal simultaneously, remind experimenter to process in time sample, the comparability of each experimental result can be ensured.
On the basis of technique scheme, the present invention can also do following improvement.
The air pump that described corrosive liquid timing agitating device comprises the main tracheae be inserted in corrosion cup, is connected to point bronchus on described main tracheae and is connected with described main tracheae.
The invention has the beneficial effects as follows: can according to the sample estimated time, air pump work is controlled by timing start-stop controller, and stir corrosive liquid by point bronchus, corrosive liquid around sample is replaced in time, keep higher concentration, thus greatly accelerate the sample experiment cycle, improve effect, this stirring accelerated corrosion mechanism can use in various corrosion cup.
Further, described corrosion cup top is also provided with the safety rope be fixedly connected with described crossbeam.
The beneficial effect of above-mentioned further scheme is adopted to be that when after sample fracture, safety rope plays interim lifting effect, and corrosion cup can not be caused to topple over.
Further, described support also comprises the column being supported on described crossbeam two ends, and the lower end of described column is provided with leg.
The beneficial effect of above-mentioned further scheme is adopted to be that supporting structure is simply firm.
Further, described upper towbar lower end is provided with the upper pin hole be connected with described sample.
Adopt the beneficial effect of above-mentioned further scheme to be can find gravity vertical voluntarily, ensure that sample bears with central axis without the vertical force offset.
Further, described sample holding device is provided with holding tank, and holding tank is provided with downside pin axis hole.Be connected with described sample by downside pin axis hole.
The beneficial effect of above-mentioned further scheme is adopted to be adopt pin shaft structure mounting or dismounting sample convenient.Lower bare terminal end arranges holding tank, can firmly fix sample, can not swing about making it.
Accompanying drawing explanation
Fig. 1 is the tension corrosion testing machine structural representation of prior art;
Fig. 2 is tension corrosion testing machine structural representation of the present invention;
Fig. 3 is the partial sectional view of upper towbar;
Fig. 4 is the structural representation of sample holding device;
In Fig. 1 to Fig. 4,1, crossbeam; 2, upper towbar; 3, corrosion cup; 4, sample; 5, corrosive liquid; 6, lower towbar; 7, counterweight; 8, counterweight seat; 9; Column; 10, leg; 11, upper pin hole; 12, downside pin axis hole; 13, safety rope; 14, holding tank; 15, thin copper wire line; 16, air pump; 17, main tracheae; 18, bronchus is divided; 19, timing and alarming device.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in figs. 2 to 4, a kind of sample tension short-term corrosion test machine, comprises corrosion cup 3, also comprises corrosive liquid timing agitating device.The air pump 16 that described corrosive liquid timing agitating device comprises the main tracheae 17 be inserted in corrosion cup 3, is connected to point bronchus 18 on described main tracheae 17 and is connected with described main tracheae 17.During concrete enforcement, by air pump 16 by Timer Controlling, such as through 1 hour, stir 10 seconds, effectively can ensure corrosive liquid concentration around sample.
Also comprise support, counterweight 7, upper towbar 2 and lower towbar 6, described support comprises crossbeam 1, the upper end of described upper towbar 2 is connected with described crossbeam 1, lower end is connected with described sample 4, the upper end of described lower towbar 6 is fixedly connected with the bottom of described corrosion cup 3, lower end is provided with counterweight seat 8, and described counterweight 7 is piled up on counterweight seat 8, is provided with sample holding device at the bottom of the cup of described corrosion cup 3.
Described corrosion cup 3 top is also provided with the safety rope 13 be fixedly connected with described crossbeam 1.
Also comprise sample fracture timing and alarming device.The timing and alarming device 19 that described sample fracture timing and alarming device comprises tight thin copper wire line 15 between described corrosion cup 3 and crossbeam 1 and is connected with thin copper wire line 15.During concrete enforcement, thin copper wire line 15 is formed loop and be connected on timing and alarming device 19, thin copper wire line 15 is fixing and tight between corrosion cup 3 and crossbeam 1, when sample 4 ruptures, due to the weight of counterweight, break thin copper wire line 15, cause and report to the police and interrupt timing.So very little power attachment plug seat can also be set between the thin copper wire line 15 tightened, as long as just can pull edge connector produce warning.
Described support also comprises the column 9 being supported on described crossbeam 1 two ends, and the lower end of described column 9 is provided with leg 10.
Described upper towbar 2 lower end is provided with the upper pin hole 11 be connected with described sample 4.
Described sample holding device is provided with holding tank 14, and holding tank 14 is provided with downside pin axis hole 12.Be connected with described sample 4 by downside pin axis hole 12.
The present invention in use, by sample 4 by pinned connection on upper towbar 2 and clamping device, in corrosion cup 3, add corrosive liquid 5, add counterweight by the stress of sample requirement, then enter corrosion until sample 4 rupture.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a sample tension short-term corrosion test machine, comprise corrosion cup, it is characterized in that, also comprise corrosive liquid timing agitating device and sample fracture timing and alarming device, described sample fracture timing and alarming device comprises support, counterweight, upper towbar and lower towbar, described support comprises crossbeam, the upper end of described upper towbar is connected with described crossbeam, lower end is connected with described sample, the upper end of described lower towbar is fixedly connected with the bottom of described corrosion cup, lower end is provided with counterweight seat, described counterweight is piled up on counterweight seat, the timing and alarming device that described sample fracture timing and alarming device also comprises tight thin copper wire line between described corrosion cup and crossbeam and is connected with thin copper wire line, sample holding device is provided with at the bottom of the cup of described corrosion cup.
2. sample tension short-term corrosion test machine according to claim 1, is characterized in that, the air pump that described corrosive liquid timing agitating device comprises the main tracheae be inserted in corrosion cup, is connected to point bronchus on described main tracheae and is connected with described main tracheae.
3. sample tension short-term corrosion test machine according to claim 1 and 2, it is characterized in that, described corrosion cup top is also provided with the safety rope be fixedly connected with described crossbeam.
4. sample tension short-term corrosion test machine according to claim 3, it is characterized in that, described support also comprises the column being supported on described crossbeam two ends, and the lower end of described column is provided with leg.
5. sample tension short-term corrosion test machine according to claim 4, is characterized in that, described upper towbar lower end is provided with the upper pin hole be connected with described sample.
6. sample tension short-term corrosion test machine according to claim 5, it is characterized in that, described sample holding device is provided with holding tank, and holding tank is provided with downside pin axis hole, is connected with described sample by downside pin axis hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210532701.0A CN103105354B (en) | 2012-12-11 | 2012-12-11 | A kind of sample tension short-term corrosion test machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210532701.0A CN103105354B (en) | 2012-12-11 | 2012-12-11 | A kind of sample tension short-term corrosion test machine |
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| CN103105354A CN103105354A (en) | 2013-05-15 |
| CN103105354B true CN103105354B (en) | 2015-08-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107907476B (en) | 2017-12-28 | 2023-06-02 | 深圳大学 | Metal corrosion identification device and method |
| CN108444834A (en) * | 2018-02-11 | 2018-08-24 | 广州合成材料研究院有限公司 | Comprehensive accelerated ageing system |
| CN110567817A (en) * | 2019-08-30 | 2019-12-13 | 无锡英特派金属制品有限公司 | Test tool and method for platinum and platinum alloy under high-temperature condition |
| CN110926928A (en) * | 2019-12-06 | 2020-03-27 | 北京交通大学 | Automatic remote alarm device for constant-load tensile test |
| CN114112634A (en) * | 2021-11-29 | 2022-03-01 | 湖北航天化学技术研究所 | Standard rectangular test piece constant load test fracture time automatic timing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4383438A (en) * | 1981-06-02 | 1983-05-17 | Petrolite Corporation | Fouling test apparatus |
| CN100595563C (en) * | 2007-03-30 | 2010-03-24 | 南京工业大学 | Multi-stress high-temperature corrosion test system device |
| CN101825537A (en) * | 2010-05-07 | 2010-09-08 | 浙江工业大学 | Stress corrosion testing device |
| CN101963574A (en) * | 2010-09-21 | 2011-02-02 | 武汉科技大学 | In situ corrosion electrochemical measurement device under the action of stretching stress |
| CN102056416B (en) * | 2011-01-07 | 2012-05-30 | 华南理工大学 | Small-size PCB corrodes pond fast |
| CN202947957U (en) * | 2012-12-11 | 2013-05-22 | 龙口市丛林铝材有限公司 | Quick corrosion testing machine for testing tensile stress of test sample |
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Inventor after: Wang Gang Inventor after: Zhang Peiliang Inventor after: Wang Huiyong Inventor after: Wang Mingkun Inventor after: Sun Benliang Inventor before: Zhang Peiliang Inventor before: Wang Gang Inventor before: Wang Huiyong Inventor before: Wang Mingkun Inventor before: Sun Benliang |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG PEILIANG WANG GANG WANG HUIYONG WANG MINGKUN SUN BENLIANG TO: WANG GANG ZHANG PEILIANG WANG HUIYONG WANG MINGKUN SUN BENLIANG |
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Denomination of invention: A rapid corrosion testing machine for tensile stress of sample Effective date of registration: 20211110 Granted publication date: 20150826 Pledgee: Longkou Conglin Machinery Manufacturing Co., Ltd Pledgor: Longkou Conglin Aluminum Co., Ltd Registration number: Y2021980012226 |
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Date of cancellation: 20211228 Granted publication date: 20150826 Pledgee: Longkou Conglin Machinery Manufacturing Co.,Ltd. Pledgor: LONGKOU CITY CONGLIN ALUMINIUM MATERIAL CO.,LTD. Registration number: Y2021980012226 |