CN110987785A - Convenient detection device for electrochemical test of performance of anticorrosive coating and assembly method - Google Patents
Convenient detection device for electrochemical test of performance of anticorrosive coating and assembly method Download PDFInfo
- Publication number
- CN110987785A CN110987785A CN201911246313.4A CN201911246313A CN110987785A CN 110987785 A CN110987785 A CN 110987785A CN 201911246313 A CN201911246313 A CN 201911246313A CN 110987785 A CN110987785 A CN 110987785A
- Authority
- CN
- China
- Prior art keywords
- barrel
- testing
- anticorrosive coating
- plate
- jacking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a convenient detection device and an assembly method for electrochemically testing the performance of an anticorrosive coating, and solves the problems that an electrolytic cell used in the electrochemical testing of the performance of the anticorrosive coating is not easy to assemble and inconvenient to operate and use. The middle part of the outer side wall of the test barrel (7) is fixedly provided with an overhanging eave plate (9), the barrel bottom of the test barrel is provided with a round hole (8), the barrel bottom surface outside the round hole (8) is provided with an O-shaped sealing ring embedding groove (5), the O-shaped sealing ring (6) is arranged in the O-shaped sealing ring embedding groove (5), an anti-corrosion coating sample (16) is placed on the top end surface of the jacking plate (4), the test barrel is arranged on the anti-corrosion coating sample (16), the upper part of the test barrel (7) is clamped in a U-shaped clamping port (11), and the overhanging eave plate (9) fixedly arranged in the middle part of the outer side wall of the test barrel is arranged below the top horizontal frame of the L-shaped support frame (10). The whole testing device has compact structure and convenient use.
Description
Technical Field
The invention relates to a detection device, in particular to a detection device and an assembly method used for performing electrochemical test on the performance of an anticorrosive coating on a metal member.
Background
The principle of the anticorrosive coating is to use a film-forming agent to obtain a compact anticorrosive coating which plays a role in isolating metal from ambient air, thereby reducing the corrosion of harmful substances to the protected metal material, such as: lead soap can be formed after the lead-containing paint and the oil material react, so that the compactness of the anticorrosive coating is ensured; under the action of wind, rain and sun, the coating on the metal component in the field environment can be damaged and aged, and the service life and the performance of the anticorrosive coating can be reduced; therefore, the performance of the anti-corrosion coating needs to be tested before being coated, so as to ensure that the anti-corrosion coating on the metal member can play a due role in protection; compared with the traditional accelerated corrosion experiments such as salt spray and ambient immersion and natural exposure experiments, the electrochemical test is an effective method for rapidly determining the corrosion rate of the anticorrosive coating at present, and an electrochemical test system of the anticorrosive coating generally comprises: a working electrode, a reference electrode, an auxiliary electrode, a salt bridge and an electrolytic cell; the preparation of working electrode in traditional electrochemistry testing arrangement electrolytic cell is very complicated, need to cut anticorrosive coating's metal specimen into regular slice, cylinder or square shape, this testing arrangement's electrolytic cell's shortcoming is difficult to assemble, when changing the test block of different coatings at every turn, need earlier take the whole device apart, carry out loaded down with trivial details equipment after changing the test block, the work efficiency of electrochemistry test anticorrosive coating performance has been restricted to the harsh requirement of anticorrosive coating sample preparation and the loaded down with trivial details of testing arrangement equipment.
Disclosure of Invention
The invention provides a convenient detection device and an assembly method for electrochemically testing the performance of an anticorrosive coating, and solves the technical problems that an electrolytic cell used in the electrochemical testing of the performance of the anticorrosive coating is not easy to assemble and inconvenient to operate and use.
The invention solves the technical problems by the following technical scheme:
a convenient detection device for electrochemically testing the performance of an anticorrosive coating comprises a support base plate, a testing barrel and an anticorrosive coating sample, wherein a threaded through hole is arranged in the center of the support base plate, a jacking lead screw is screwed in the threaded through hole, a jacking plate is fixedly connected to the top end of the jacking lead screw, an L-shaped support frame is fixedly arranged at the rear side end of the support base plate, a U-shaped clamping port is arranged at the top end of the L-shaped support frame, a cantilever cornice plate is fixedly arranged in the middle of the outer side wall of the testing barrel, a circular hole is arranged on the barrel bottom of the testing barrel, an O-shaped sealing ring embedding groove is arranged on the barrel bottom of the testing barrel outside the circular hole, an O-shaped sealing ring is arranged in the O-shaped sealing ring embedding groove, the anticorrosive coating sample is placed on the top end face of the jacking plate, the testing barrel is arranged on the anticorrosive coating sample, the upper portion of the testing, the overhanging eaves plate fixedly arranged in the middle of the outer side wall of the test barrel is arranged below the horizontal frame at the top end of the L-shaped support frame; the top port of the testing barrel is provided with a testing barrel cover plate, and the testing barrel cover plate is respectively provided with an auxiliary electrode socket and a participating electrode socket.
And a locking nut is arranged on the jacking screw below the bottom plate of the support, and electrolyte is arranged in the test barrel.
An assembling method of a convenient detection device for electrochemically testing the performance of an anticorrosive coating comprises the following steps:
firstly, taking an anticorrosive coating sample with the same shape and size as the jacking plate, and placing the anticorrosive coating sample on the jacking plate;
secondly, clamping the testing barrel with the overhanging eaves plate into a U-shaped clamping port of a top horizontal frame of the L-shaped support frame, enabling the overhanging eaves plate to be arranged below the top horizontal frame of the L-shaped support frame, enabling the bottom end of the testing barrel to be placed on the anti-corrosion coating sample, and enabling an O-shaped sealing ring arranged on the barrel bottom of the testing barrel outside the circular hole to be abutted to the upper top surface of the anti-corrosion coating sample;
thirdly, rotating the jacking screw rod to enable the jacking plate to ascend, enabling the bottom end of the testing barrel to be tightly attached to the jacking plate, enabling the O-shaped sealing ring to seal the circular hole, and screwing the locking nut to lock;
and fourthly, adding electrolyte into the test barrel, inserting an auxiliary electrode into the auxiliary electrode socket, inserting a reference electrode into the reference electrode socket, and performing an electrochemical test on the anticorrosive coating sample.
The structure of the invention is simple to assemble and disassemble, the metal test pieces with different coatings can be replaced by taking down the cylindrical electrolytic cell test barrel, and the whole test device has compact structure and convenient use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of the supporting test frame of the test bucket 7 of the present invention;
fig. 3 is a schematic structural diagram of the test bucket 7 of the present invention.
Detailed Description
A convenient detection device for electrochemically testing the performance of an anticorrosive coating comprises a support base plate 1, a testing barrel 7 and an anticorrosive coating sample 16, wherein a threaded through hole 2 is arranged at the center of the support base plate 1, a jacking lead screw 3 is screwed in the threaded through hole 2, a jacking plate 4 is fixedly connected with the top end of the jacking lead screw 3, an L-shaped support frame 10 is fixedly arranged at the rear side end of the support base plate 1, a U-shaped clamping port 11 is arranged at the top end of the L-shaped support frame 10, a cantilever eaves plate 9 is fixedly arranged in the middle of the outer side wall of the testing barrel 7, a round hole 8 is arranged on the barrel bottom of the testing barrel 7, an O-shaped sealing ring embedding groove 5 is arranged on the barrel bottom of the testing barrel 7 outside the round hole 8, an O-shaped sealing ring 6 is arranged in the O-shaped sealing ring embedding groove 5, the anticorrosive coating sample 16 is placed on the top end surface of the jacking plate 4, the testing barrel 7 is arranged, the upper part of the test barrel 7 is clamped in the U-shaped clamping interface 11, and an overhanging eaves plate 9 fixedly arranged in the middle of the outer side wall of the test barrel 7 is arranged below a top horizontal frame of the L-shaped support frame 10; a testing barrel cover plate 12 is arranged on the top port of the testing barrel 7, and an auxiliary electrode socket 13 and a participating electrode socket 14 are respectively arranged on the testing barrel cover plate 12.
A locking nut 15 is arranged on the jacking screw below the bottom plate 1 of the bracket, and electrolyte is arranged in the test barrel 7.
An assembling method of a convenient detection device for electrochemically testing the performance of an anticorrosive coating comprises the following steps:
firstly, taking an anticorrosive coating sample 16 with the same shape and size as the jacking plate 4, and placing the anticorrosive coating sample 16 on the jacking plate 4;
secondly, clamping the testing barrel 7 with the overhanging eave plate 9 into a U-shaped clamping interface 11 of a top horizontal frame of the L-shaped support frame 10, enabling the overhanging eave plate 9 to be arranged below the top horizontal frame of the L-shaped support frame 10, enabling the bottom end of the testing barrel 7 to be placed on an anticorrosive coating sample 16, and enabling an O-shaped sealing ring 6 arranged on the barrel bottom of the testing barrel 7 outside the circular hole 8 to be abutted on the upper top surface of the anticorrosive coating sample 16;
thirdly, rotating the jacking screw rod 3 to enable the jacking plate 4 to ascend, enabling the bottom end of the testing barrel 7 to be tightly attached to the jacking plate 4, enabling the O-shaped sealing ring 6 to seal the circular hole 8, and screwing the locking nut 15 to lock;
and fourthly, adding electrolyte into the test barrel 7, inserting an auxiliary electrode into the auxiliary electrode socket 13, inserting a reference electrode into the reference electrode socket 14, and performing an electrochemical test on the anticorrosive coating sample 16.
A round hole 8 with the diameter of 31 mm is formed at the bottom of a cylindrical testing barrel 7 with the volume of 150 ml, and an anticorrosive coating sample 16 in the round hole 8 is used as a working electrode to be directly contacted with electrolyte in the testing barrel (electrolytic cell) during testing, so that the step of cutting the anticorrosive coating sample to be tested to prepare an epoxy resin-coated working electrode is omitted; in order to ensure that the solution cannot leak and no crevice corrosion is generated when the solution is in contact with the metal to be measured, an O-shaped sealing ring with the depth of 2.5 mm and the width of 3 mm is embedded in the groove 5 and embedded in the O-shaped sealing ring 6 made of polytetrafluoroethylene materials on the outer ring of the circular hole 8; another innovation of the invention is that a simple and convenient fixing and clamping device is designed, when a supporting plate of the testing barrel 7 is clamped, the lower elastic bolt is adjusted to clamp the sample and the bottom of the testing barrel 7, and the O-shaped sealing ring 6 is pressed to deform, so that the metal surface of the anti-corrosion coating sample 16 is mechanically and tightly engaged with the circular hole 8 with the diameter of 31 mm at the bottom of the testing barrel 7.
Claims (3)
1. A convenient detection device for electrochemically testing the performance of an anticorrosive coating comprises a support base plate (1), a testing barrel (7) and an anticorrosive coating sample (16), wherein a threaded through hole (2) is formed in the center of the support base plate (1), a jacking lead screw (3) is screwed in the threaded through hole (2), a jacking plate (4) is fixedly connected to the top end of the jacking lead screw (3), an L-shaped support frame (10) is fixedly arranged at the rear side end of the support base plate (1), a U-shaped clamping port (11) is formed in the top end of the L-shaped support frame (10), the convenient detection device is characterized in that a cantilever cornice plate (9) is fixedly arranged in the middle of the outer side wall of the testing barrel (7), a round hole (8) is formed in the barrel bottom of the testing barrel (7) outside the round hole (8), an O-shaped sealing ring embedding groove (5) is formed in the barrel bottom of the testing barrel (7), an O-shaped sealing ring (6) is arranged in the O-shaped sealing ring embedding groove (5), an anticorrosive coating sample (16) is placed on the top end face of the jacking plate (4), a testing barrel (7) is arranged on the anticorrosive coating sample (16), the upper part of the testing barrel (7) is clamped in the U-shaped clamping interface (11), and a cantilever eave plate (9) fixedly arranged in the middle of the outer side wall of the testing barrel (7) is arranged below a top horizontal frame of the L-shaped support frame (10); a testing barrel cover plate (12) is arranged on the top port of the testing barrel (7), and an auxiliary electrode socket (13) and a participating electrode socket (14) are respectively arranged on the testing barrel cover plate (12).
2. The convenient detection device for electrochemically testing the performance of the anticorrosive coating according to claim 1, characterized in that a locking nut (15) is arranged on a jacking lead screw below the bottom plate (1) of the support, and electrolyte is arranged in the testing barrel (7).
3. The method for assembling a convenient test device for electrochemically testing the performance of an anticorrosive coating according to claim 1, comprising the following steps:
firstly, taking an anticorrosive coating sample (16) with the same shape and size as the jacking plate (4), and placing the anticorrosive coating sample (16) on the jacking plate (4);
secondly, clamping a testing barrel (7) with an overhanging cornice plate (9) into a U-shaped clamping port (11) of a top horizontal frame of an L-shaped support frame (10), enabling the overhanging cornice plate (9) to be arranged below the top horizontal frame of the L-shaped support frame (10), enabling the bottom end of the testing barrel (7) to be placed on an anticorrosive coating sample (16), and enabling an O-shaped sealing ring (6) arranged on the barrel bottom of the testing barrel (7) outside a circular hole (8) to be abutted to the upper top surface of the anticorrosive coating sample (16);
thirdly, rotating the jacking screw rod (3) to enable the jacking plate (4) to ascend, enabling the bottom end of the testing barrel (7) to be tightly attached to the jacking plate (4), enabling the O-shaped sealing ring (6) to seal the circular hole (8), and screwing the locking nut (15) to lock;
and fourthly, adding electrolyte into the test barrel (7), inserting an auxiliary electrode into the auxiliary electrode socket (13), inserting a reference electrode into the reference electrode socket (14), and performing an electrochemical test on the anticorrosive coating sample (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911246313.4A CN110987785A (en) | 2019-12-08 | 2019-12-08 | Convenient detection device for electrochemical test of performance of anticorrosive coating and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911246313.4A CN110987785A (en) | 2019-12-08 | 2019-12-08 | Convenient detection device for electrochemical test of performance of anticorrosive coating and assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110987785A true CN110987785A (en) | 2020-04-10 |
Family
ID=70091226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911246313.4A Pending CN110987785A (en) | 2019-12-08 | 2019-12-08 | Convenient detection device for electrochemical test of performance of anticorrosive coating and assembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110987785A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005262041A (en) * | 2004-03-17 | 2005-09-29 | Ids:Kk | Test tube holder |
| JP2007300814A (en) * | 2006-05-09 | 2007-11-22 | Daiwa Can Co Ltd | Method for inspecting content of bottled product |
| US20140301916A1 (en) * | 2011-12-28 | 2014-10-09 | Hitachi High-Technologies Corporation | Holder for transferring test tube |
| CN105758687A (en) * | 2016-04-13 | 2016-07-13 | 杭州电子科技大学 | Deep-sea sediment in-situ cultivation and hermetic sampling mechanism |
| CN206515216U (en) * | 2017-01-22 | 2017-09-22 | 中国石油化工股份有限公司 | A kind of coating electrochemical testing device |
| CN206648932U (en) * | 2017-04-06 | 2017-11-17 | 西南石油大学 | A kind of coating electrochemical testing device |
| CN109443829A (en) * | 2018-12-06 | 2019-03-08 | 安阳市鑫达自控科技有限公司 | A kind of coal sample collecting device |
| CN110393843A (en) * | 2019-07-25 | 2019-11-01 | 王龙梅 | A kind of oxygen catheter for respiratory internal medicine attachment device |
| CN209589532U (en) * | 2018-12-29 | 2019-11-05 | 银发环保股份有限公司 | A kind of pedotheque sampler |
| CN209606115U (en) * | 2019-03-14 | 2019-11-08 | 山西晋绥农林综合开发有限公司 | Sample collecting apparatus is used in a kind of detection of semen sojae atricolor |
| CN209707148U (en) * | 2019-02-25 | 2019-11-29 | 李娜 | A kind of agricultural technology extension application soil sampling apparatus |
-
2019
- 2019-12-08 CN CN201911246313.4A patent/CN110987785A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005262041A (en) * | 2004-03-17 | 2005-09-29 | Ids:Kk | Test tube holder |
| JP2007300814A (en) * | 2006-05-09 | 2007-11-22 | Daiwa Can Co Ltd | Method for inspecting content of bottled product |
| US20140301916A1 (en) * | 2011-12-28 | 2014-10-09 | Hitachi High-Technologies Corporation | Holder for transferring test tube |
| CN105758687A (en) * | 2016-04-13 | 2016-07-13 | 杭州电子科技大学 | Deep-sea sediment in-situ cultivation and hermetic sampling mechanism |
| CN206515216U (en) * | 2017-01-22 | 2017-09-22 | 中国石油化工股份有限公司 | A kind of coating electrochemical testing device |
| CN206648932U (en) * | 2017-04-06 | 2017-11-17 | 西南石油大学 | A kind of coating electrochemical testing device |
| CN109443829A (en) * | 2018-12-06 | 2019-03-08 | 安阳市鑫达自控科技有限公司 | A kind of coal sample collecting device |
| CN209589532U (en) * | 2018-12-29 | 2019-11-05 | 银发环保股份有限公司 | A kind of pedotheque sampler |
| CN209707148U (en) * | 2019-02-25 | 2019-11-29 | 李娜 | A kind of agricultural technology extension application soil sampling apparatus |
| CN209606115U (en) * | 2019-03-14 | 2019-11-08 | 山西晋绥农林综合开发有限公司 | Sample collecting apparatus is used in a kind of detection of semen sojae atricolor |
| CN110393843A (en) * | 2019-07-25 | 2019-11-01 | 王龙梅 | A kind of oxygen catheter for respiratory internal medicine attachment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101644653B (en) | Corrosion test device with in-situ electrochemical test function | |
| CN103398942B (en) | Metal regional area hydrogen permeation behavior experimental provision | |
| CN202351159U (en) | Testing pool device for field monitoring of corrosion resistance of ship body coating | |
| CN103528944A (en) | Electrochemical performance testing device for crevice corrosion | |
| CN203519471U (en) | Electrochemical performance testing apparatus for crevice corrosion | |
| CN109507100A (en) | Corrosion electrochemistry test method and device under plate-shape metal sample high stress | |
| CN103512935B (en) | Electrolytic cell for testing electrochemical performance of coating | |
| CN206648932U (en) | A kind of coating electrochemical testing device | |
| CN105758906A (en) | Electrochemical testing device | |
| CN110987785A (en) | Convenient detection device for electrochemical test of performance of anticorrosive coating and assembly method | |
| CN202676660U (en) | Electrolytic cell for testing electrochemical performance of coating | |
| CN105717040B (en) | A kind of fluid-guiding type dynamic galvanic corrosion test fixture device | |
| CN102230190A (en) | Method and device for testing anode iron-carbon voltage drop of aluminum electrolysis cell | |
| CN205562458U (en) | Simple and easy electrochemistry testing arrangement | |
| CN210108861U (en) | Constant load stress corrosion crack propagation multi-scale in-situ monitoring device | |
| CN104950025A (en) | Array testing device for monitoring coating cathodic disbanding tests | |
| CN109338374B (en) | Cathode protection device | |
| RU178871U1 (en) | LONG-TERM COMPARATIVE ELECTRODE | |
| CN115506005A (en) | Anode-cathode device for on-site metallographic electrolytic corrosion and use method thereof | |
| CN212459338U (en) | Corrosion device for metal corrosion fatigue test | |
| CN210128950U (en) | Auxiliary cathode device for testing electrochemical performance of sacrificial anode | |
| CN208505869U (en) | Reference electrode is used in a kind of detection of long life anti corrosion | |
| CN220871735U (en) | Coating in-situ electrochemical detection pretreatment device | |
| CN216594900U (en) | Electrochemical probe capable of being used for testing coating impedance on site | |
| JP6037868B2 (en) | Electrochemical measurement probe and corrosion evaluation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200410 |