CN211263128U - Steel pipeline anticorrosive coating cathode stripping resistance detection device - Google Patents
Steel pipeline anticorrosive coating cathode stripping resistance detection device Download PDFInfo
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- CN211263128U CN211263128U CN201922180254.7U CN201922180254U CN211263128U CN 211263128 U CN211263128 U CN 211263128U CN 201922180254 U CN201922180254 U CN 201922180254U CN 211263128 U CN211263128 U CN 211263128U
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Abstract
The utility model relates to a detection device technical field, and a steel pipeline anticorrosive coating resists negative pole and peels off detection device is disclosed, including the coating test piece, transparent drum, the cover, auxiliary electrode and reference electrode, transparent drum sets up in the surface of coating test piece, the cover sets up in the top of transparent drum, auxiliary electrode and reference electrode all set up in the top of cover, the surface of cover is provided with two fixed establishment, auxiliary electrode and reference electrode all set up in the top of cover through fixed establishment, auxiliary electrode and reference electrode's lower extreme all extends to the inside of transparent drum, auxiliary electrode and reference electrode's upper end all extends to the top of cover, the upper surface left side intercommunication of cover is provided with the feed liquor pipe, the lower extreme of feed liquor pipe extends to the below of cover, the lower extreme opening part of feed liquor pipe is provided with shutoff mechanism. The utility model discloses be convenient for dismantle auxiliary electrode and reference electrode and cover, and can be convenient for open and close the feed liquor pipe.
Description
Technical Field
The utility model relates to a detection device technical field especially relates to a steel pipeline anticorrosive coating is able to bear or endure negative pole and peels off detection device.
Background
In order to avoid metal corrosion, metals with high activity are often used for cathodic protection, but the adoption of cathodic protection measures also brings new requirements on the performance of organic coatings, and one of the undesirable consequences of cathodic protection is that the coating at a defect position loses adhesion due to cathodic reaction, and the coating can be separated from the metal, which is called cathodic disbonding. Under the electrochemical corrosion environment, if the cathodic disbonding resistance of the coating is low, the coating is degraded and cracked, and the anticorrosion effect is lost. The cathodic disbonding resistance test is a test method for testing the performance of the organic coating, and the cathodic disbonding resistance test is required for the corrosion-resistant coating generally used in the industries of ships and steel pipes.
The patent number is CN208705210U, and discloses a steel pipeline anticorrosive coating cathode stripping resistance detection device, which comprises a constant temperature oven, a test groove, a direct current stabilized voltage power supply, an auxiliary electrode, a reference electrode and a coating test piece drilled with a test hole; the test groove is by transparent drum, the coating test piece constitutes, the upper end of transparent drum is inlayed and is covered there is a closing cap, the closing cap includes upper cover and lower cover that upper and lower position set up and lock each other through locking Assembly, a standing groove has been seted up on the up end of lower cover, be equipped with the at least three rotation adjustment disk that is the annular array and arranges in the standing groove, the upper end of pivot stretches out more than the upper cover and links to each other with the flexible knob that has locking function, through the rotation realization upper aperture that rotates the adjustment disk, the intercommunication or the closure of lower through-hole.
However, the auxiliary electrode and the reference electrode in the above patent are not easily attached to and detached from the cartridge cover, and the sealing property between the auxiliary electrode and the reference electrode and the cartridge cover is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving prior art in auxiliary electrode and reference electrode be not convenient for carry out the dismouting with the cover, the not good problem of leakproofness between auxiliary electrode and reference electrode and the cover moreover, and the resistant negative pole of a steel pipeline anticorrosive coating that proposes peels off detection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a detection device is peeled off to resistant negative pole of steel pipeline anticorrosive coating, includes coating test piece, transparent drum, cover, auxiliary electrode and reference electrode, transparent drum sets up in the surface of coating test piece, the cover sets up in the top of transparent drum, auxiliary electrode and reference electrode all set up in the top of cover, the surface of cover is provided with two fixed establishment, auxiliary electrode and reference electrode all set up in the top of cover through fixed establishment, auxiliary electrode and reference electrode's lower extreme all extends to the inside of transparent drum, auxiliary electrode and reference electrode's upper end all extends to the top of cover, the upper surface left side intercommunication of cover is provided with the feed liquor pipe, the lower extreme of feed liquor pipe extends to the below of cover, the lower extreme opening part of feed liquor pipe is provided with shutoff mechanism.
Preferably, the fixing mechanism comprises a first sealing block, a fixing plate, a screw and a spiral ring, the upper surface of the first sealing block is provided with a first fixing trepan boring, the first sealing block is fixedly sleeved on the outer wall of the reference electrode through a first fixing sleeve hole, the upper surface of the cylinder cover is provided with a sealing groove, the first sealing block is matched with the sealing groove, the screw is fixedly arranged on the upper surface of the cylinder cover and positioned at the left side and the right side of the sealing groove, the fixing plate is fixedly arranged at the upper side of the first sealing block, the upper surface of the fixing plate is provided with a second fixing sleeve hole, the fixed plate is fixedly arranged on the outer wall of the reference electrode through a second fixed sleeve hole, the left side and the right side of the upper surface of the fixed plate are both provided with jacks, the fixing plate is respectively inserted into the two screw rods through the insertion holes, and the spiral rings are respectively arranged on the rod walls of the two screw rods in a threaded mode and are located above the fixing plate.
Preferably, a rotating ring is fixedly arranged on the upper side of the spiral ring, and anti-skid grains are arranged on the circumferential wall of the rotating ring.
Preferably, an annular gasket is movably sleeved on the rod wall of the screw rod and positioned between the spiral ring and the fixing plate.
Preferably, the plugging mechanism comprises a sealing plate, a second sealing block, a limiting sliding rod and a spring, the sealing plate is horizontally arranged at the lower end opening of the liquid inlet pipe, the second sealing block is fixedly arranged on the upper surface of the sealing plate, the second sealing block is matched with the liquid inlet pipe, the limiting slide blocks are fixedly arranged at the left side and the right side of the sealing plate, the limiting slide bars are respectively and fixedly arranged on the lower surface of the cylinder cover and positioned on the left side and the right side of the sealing plate, limiting slide holes are respectively formed in the upper sides of the two limiting slide blocks, the two limiting slide blocks are respectively and slidably connected with the rod walls of the two limiting slide bars through the limiting slide holes, the springs are respectively movably sleeved on the rod walls of the two limiting slide rods and located below the limiting slide blocks, limiting stop blocks are fixedly arranged at the lower ends of the two limiting slide rods, and two ends of each spring are respectively fixedly connected with the limiting slide blocks and the limiting stop blocks.
Preferably, the upper side of the second sealing block is fixedly provided with a pressing rod, and the upper end of the pressing rod extends to the outside of the liquid inlet pipe and is fixedly provided with a pressing block.
Preferably, the auxiliary electrode, the reference electrode and the coating test piece are electrically connected with an external direct current stabilized voltage power supply through leads.
Preferably, the cylinder cover and the transparent cylinder are firmly connected through a bolt and a nut.
Compared with the prior art, the utility model provides a detection device is peeled off to resistant negative pole of steel pipeline anticorrosive coating possesses following beneficial effect:
1. this detection device is peeled off to resistant negative pole of steel pipeline anticorrosive coating, through feed liquor pipe, first sealed piece, fixed plate, screw rod, spiro and the swivel becket of setting on the cover, the swivel becket is twisted to staff's hand, and the swivel becket can drive the spiro rotation for spiro and screw rod separation, thereby can separate fixed plate and screw rod, thereby can separate first sealed piece and cover, and then can dismantle auxiliary electrode or reference electrode and cover.
2. This detection device is peeled off to resistant negative pole of steel pipeline anticorrosive coating, through setting up the closing plate at feed liquor pipe lower extreme, the sealed piece of second, limit slide bar, spring and limit stop, staff's hand is pressed downwards and is pressed the pressure piece, it makes the sealed piece of second shift out with the lower extreme of feed liquor pipe through pressing the pressure piece, closing plate downstream on the sealed piece of second simultaneously makes limit slide extrusion spring, thereby can get through the feed liquor pipe, when staff's hand leaves when pressing the pressure piece, the automatic rebound of the sealed piece of second seals up the lower extreme opening shutoff of feed liquor pipe.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses be convenient for dismantle auxiliary electrode and reference electrode and cover, and can be convenient for open and close the feed liquor pipe.
Drawings
FIG. 1 is a schematic structural view of a steel pipeline anticorrosive coating cathode peeling resistance detection device provided by the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B of fig. 1.
In the figure: the device comprises a coating test piece 1, a transparent cylinder 2, a cylinder cover 3, an auxiliary electrode 4, a reference electrode 5, a liquid inlet pipe 6, a first sealing block 7, a fixing plate 8, a screw 9, a spiral ring 10, a rotating ring 11, a sealing plate 12, a second sealing block 13, a limiting slide block 14, a limiting slide rod 15, a spring 16, a limiting stop block 17, a pressing rod 18 and a pressing block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a cathode stripping resistance detection device for an anticorrosive coating of a steel pipeline comprises a coating test piece 1 and a transparent cylinder 2, cover 3, auxiliary electrode 4 and reference electrode 5, transparent drum 2 sets up in the surface of coating test piece 1, cover 3 sets up in the top of transparent drum 2, auxiliary electrode 4 and reference electrode 5 all set up in the top of cover 3, the surface of cover 3 is provided with two fixed establishment, auxiliary electrode 4 and reference electrode 5 all set up in the top of cover 3 through fixed establishment, auxiliary electrode 4 and reference electrode 5's lower extreme all extends to the inside of transparent drum 2, auxiliary electrode 4 and reference electrode 5's upper end all extends to the top of cover 3, the upper surface left side intercommunication of cover 3 is provided with feed liquor pipe 6, the lower extreme of feed liquor pipe 6 extends to the below of cover 3, the lower extreme opening part of feed liquor pipe 6 is provided with shutoff mechanism.
The fixing mechanism comprises a first sealing block 7, a fixing plate 8, screw rods 9 and a spiral ring 10, a first fixing trepan boring is arranged on the upper surface of the first sealing block 7, the first sealing block 7 is fixedly sleeved on the outer wall of the reference electrode 5 through the first fixing trepan boring, a sealing groove is arranged on the upper surface of the barrel cover 3, the first sealing block 7 is matched with the sealing groove, the screw rods 9 are fixedly arranged on the upper surface of the barrel cover 3 and positioned on the left side and the right side of the sealing groove, the fixing plate 8 is fixedly arranged on the upper side of the first sealing block 7, a second fixing trepan boring is arranged on the upper surface of the fixing plate 8, the fixing plate 8 is fixedly arranged on the outer wall of the reference electrode 5 through the second fixing trepan boring, jacks are respectively arranged on the left side and the right side of the upper surface of the fixing plate 8, the fixing plate 8 is respectively spliced with the two screw rods 9 through the, the upper side of the spiral ring 10 is fixedly provided with a rotating ring 11, the circumferential wall of the rotating ring 11 is provided with anti-skid grains, and the rod wall of the screw rod 9 is movably sleeved with an annular gasket between the spiral ring 10 and the fixed plate 8.
The plugging mechanism comprises a sealing plate 12, a second sealing block 13, limit sliders 14, limit slide rods 15 and springs 16, wherein the sealing plate 12 is horizontally arranged at the opening at the lower end of a liquid inlet pipe 6, the second sealing block 13 is fixedly arranged on the upper surface of the sealing plate 12, the second sealing block 13 is matched with the liquid inlet pipe 6, the limit sliders 14 are fixedly arranged on the left side and the right side of the sealing plate 12, the limit slides 15 are respectively fixedly arranged on the lower surface of the cylinder cover 3 and are positioned on the left side and the right side of the sealing plate 12, limit slide holes are respectively formed in the upper sides of the two limit sliders 14, the two limit sliders 14 are respectively in sliding connection with the rod walls of the two limit slide rods 15 through the limit slide holes, the springs 16 are respectively movably sleeved on the rod walls of the two limit slide rods 15 and are positioned below the limit sliders 14, limit stoppers 17 are respectively fixedly arranged at the lower ends of the two limit slide rods 15, the fixed press bar 18 that is equipped with of upside of second sealed piece 13, the upper end of press bar 18 extends to the outside of feed liquor pipe 6 and the fixed press block 19 that is equipped with, staff's hand pushes down press block 19, press block 19 makes the lower extreme of second sealed piece 13 and feed liquor pipe 6 shift out through press bar 18, simultaneously sealed board 12 on the second sealed piece 13 moves down and makes spacing slider 14 extrude spring 16, thereby can get through feed liquor pipe 6, when staff's hand left press block 19, second sealed piece 13 automatic upward movement and seal up the lower extreme opening of feed liquor pipe 6.
The auxiliary electrode 4, the reference electrode 5 and the coating test piece 1 are electrically connected with an external direct current stabilized power supply through leads.
The cylinder cover 3 and the transparent cylinder 2 are firmly connected through bolts and nuts.
In the utility model, when in use, the rotating ring 11 is screwed by the hand of the worker, the rotating ring 11 can drive the spiral ring 10 to rotate, so that the spiral ring 10 is separated from the screw rod 9, the fixed plate 8 is separated from the screw rod 9, the first sealing block 7 can be separated from the cylinder cover 3, and the auxiliary electrode 4 or the reference electrode 5 can be detached from the cylinder cover 3; the staff hand is pressed down and is pressed pressing block 19, and pressing block 19 makes the sealed piece of second 13 and the lower extreme of feed liquor pipe 6 shift out through pressing rod 18, and the closing plate 12 on the sealed piece of second 13 moves down simultaneously and makes spacing slider 14 extrusion spring 16 to can get through feed liquor pipe 6, when the staff hand left pressing block 19, the automatic rebound of the sealed piece of second 13 and with the lower extreme opening shutoff of feed liquor pipe 6.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The cathode stripping resistance detection device for the anticorrosive coating of the steel pipeline comprises a coating test piece (1), a transparent cylinder (2), a cylinder cover (3), an auxiliary electrode (4) and a reference electrode (5), and is characterized in that the transparent cylinder (2) is arranged on the surface of the coating test piece (1), the cylinder cover (3) is arranged at the top of the transparent cylinder (2), the auxiliary electrode (4) and the reference electrode (5) are both arranged at the top of the cylinder cover (3), two fixing mechanisms are arranged on the surface of the cylinder cover (3), the auxiliary electrode (4) and the reference electrode (5) are both arranged at the top of the cylinder cover (3) through the fixing mechanisms, the lower ends of the auxiliary electrode (4) and the reference electrode (5) both extend to the inside of the transparent cylinder (2), the upper ends of the auxiliary electrode (4) and the reference electrode (5) both extend to the upper side of the cylinder cover (3), the upper surface left side intercommunication of cover (3) is provided with feed liquor pipe (6), the lower extreme of feed liquor pipe (6) extends to the below of cover (3), the lower extreme opening part of feed liquor pipe (6) is provided with shutoff mechanism.
2. The steel pipeline anticorrosive coating cathode stripping resistance detection device according to claim 1, wherein the fixing mechanism comprises a first sealing block (7), a fixing plate (8), a screw (9) and a spiral ring (10), a first fixing trepan boring is formed in the upper surface of the first sealing block (7), the first sealing block (7) is fixedly sleeved on the outer wall of the reference electrode (5) through the first fixing trepan boring, a sealing groove is formed in the upper surface of the barrel cover (3), the first sealing block (7) is matched with the sealing groove, the screw (9) is fixedly arranged on the upper surface of the barrel cover (3) and positioned on the left side and the right side of the sealing groove, the fixing plate (8) is fixedly arranged on the upper side of the first sealing block (7), a second fixing trepan boring is formed in the upper surface of the fixing plate (8), and the fixing plate (8) is fixedly arranged on the outer wall of the reference electrode (5) through the second fixing trepan boring, jacks are formed in the left side and the right side of the upper surface of the fixing plate (8), the fixing plate (8) is respectively connected with the two screw rods (9) in an inserting mode through the jacks, and the spiral rings (10) are respectively arranged on the rod walls of the two screw rods (9) in a threaded mode and are located above the fixing plate (8).
3. The cathodic disbonding resistance detection device for the anticorrosive coating of the steel pipeline as recited in claim 2, wherein a rotating ring (11) is fixedly arranged on the upper side of the spiral ring (10), and the circumferential wall of the rotating ring (11) is provided with anti-skid lines.
4. The device for detecting cathodic disbonding resistance of anticorrosive coating of steel pipeline as claimed in claim 2, wherein the wall of said threaded spindle (9) is movably sleeved with an annular gasket between the spiral ring (10) and the fixed plate (8).
5. The device for detecting cathodic disbonding resistance of anticorrosive coating of steel pipeline according to claim 1, wherein the plugging mechanism comprises a sealing plate (12), a second sealing block (13), a limiting slide block (14), a limiting slide rod (15) and a spring (16), the sealing plate (12) is horizontally positioned at the lower end opening of the liquid inlet pipe (6), the second sealing block (13) is fixedly arranged on the upper surface of the sealing plate (12), the second sealing block (13) is matched with the liquid inlet pipe (6), the limiting slide blocks (14) are fixedly arranged on the left and right sides of the sealing plate (12), the limiting slide rods (15) are respectively fixedly arranged on the lower surface of the cylinder cover (3) and positioned on the left and right sides of the sealing plate (12), limiting slide holes are respectively arranged on the upper sides of the two limiting slide blocks (14), and the two limiting slide blocks (14) are respectively connected with the rod walls of the two limiting slide rods (15) in a sliding manner through the limiting slide holes, the spring (16) is movably sleeved on the rod walls of the two limiting slide rods (15) and located below the limiting slide block (14), the lower ends of the two limiting slide rods (15) are fixedly provided with limiting stops (17), and two ends of the spring (16) are fixedly connected with the limiting slide block (14) and the limiting stops (17) respectively.
6. The device for detecting cathodic disbonding resistance of the anticorrosive coating of the steel pipeline as claimed in claim 5, wherein a pressing rod (18) is fixedly arranged on the upper side of the second sealing block (13), and the upper end of the pressing rod (18) extends to the outside of the liquid inlet pipe (6) and is fixedly provided with a pressing block (19).
7. The steel pipeline anticorrosive coating cathode stripping resistance detection device according to claim 1, wherein the auxiliary electrode (4), the reference electrode (5) and the coating test piece (1) are electrically connected with an external direct current stabilized power supply through leads.
8. The cathodic disbonding resistance detection device of the steel pipeline anticorrosion coating layer as claimed in claim 1, wherein the cylinder cover (3) and the transparent cylinder (2) are firmly connected through bolts and nuts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922180254.7U CN211263128U (en) | 2019-12-09 | 2019-12-09 | Steel pipeline anticorrosive coating cathode stripping resistance detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922180254.7U CN211263128U (en) | 2019-12-09 | 2019-12-09 | Steel pipeline anticorrosive coating cathode stripping resistance detection device |
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| CN211263128U true CN211263128U (en) | 2020-08-14 |
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| CN201922180254.7U Active CN211263128U (en) | 2019-12-09 | 2019-12-09 | Steel pipeline anticorrosive coating cathode stripping resistance detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895354A (en) * | 2020-08-24 | 2020-11-06 | 和鸿电气股份有限公司 | Energy-saving management system based on public lighting of smart park |
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- 2019-12-09 CN CN201922180254.7U patent/CN211263128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895354A (en) * | 2020-08-24 | 2020-11-06 | 和鸿电气股份有限公司 | Energy-saving management system based on public lighting of smart park |
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