CN210953754U - Modularization cathodic protection testing arrangement - Google Patents
Modularization cathodic protection testing arrangement Download PDFInfo
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- CN210953754U CN210953754U CN201921897398.8U CN201921897398U CN210953754U CN 210953754 U CN210953754 U CN 210953754U CN 201921897398 U CN201921897398 U CN 201921897398U CN 210953754 U CN210953754 U CN 210953754U
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Abstract
The utility model relates to a cathode testing device, in particular to a modularized cathode protection testing device, which comprises a reference electrode, a testing sheet and an acquisition cylinder; at least one electrode device, wherein the electrode device is movably inserted into the collection cylinder, and the end part of the electrode device is provided with a reference electrode; and the test piece device is not less than one, the test piece device is movably inserted into the collecting cylinder, and one end of the test piece device is provided with a test piece. The utility model provides a pair of modularization cathodic protection testing arrangement makes electrode or test piece change very convenient through modular structure to multiple test piece of easy to assemble uses reliable and stable.
Description
Technical Field
The utility model relates to a negative pole testing arrangement, especially a modularization cathodic protection testing arrangement.
Background
Steel pipelines for conveying media such as oil, gas and water are mostly laid underground, and because soil is highly corrosive and conveying media are corrosive to a certain extent, the inner and outer walls of the pipelines are likely to be seriously corroded. Once the pipeline is corroded and perforated, the leakage of a conveying medium and the environmental pollution are caused, and even serious accidents such as fire, explosion and the like are caused in the serious case, so that serious personnel injury and property loss are caused. In order to avoid corrosion damage of buried steel pipelines, effective protection measures are required, and technical measures such as sacrificial anode cathodic protection, impressed current cathodic protection and the like are also commonly adopted on the basis of conventional pipeline corrosion-resistant insulating layers. In order to detect and evaluate the cathodic protection effect of the buried steel pipeline, the operation parameters of a cathodic protection system such as pipeline protection potential, protection current, grounding resistance and the like need to be regularly tested, so that a cathodic testing device is needed.
Current cathode test device simple structure is mostly overall structure, and it is inconvenient to change after polarization test piece or reference electrode goes wrong, needs to change after taking out whole cathode test device, and work load is big.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a test piece or reference electrode change convenient modularization cathodic protection testing arrangement, concrete technical scheme is:
a modularized cathodic protection testing device comprises a reference electrode, a testing sheet and an acquisition cylinder; at least one electrode device, wherein the electrode device is movably inserted into the collection cylinder, and the end part of the electrode device is provided with a reference electrode; and the test piece device is not less than one, the test piece device is movably inserted into the collecting cylinder, and one end of the test piece device is provided with a test piece.
By adopting the technical scheme, because the electrode device and the test piece device are movably inserted into the collecting cylinder, the electrode device or the test piece device only needs to be pulled out when the reference electrode or the test piece is replaced, a new electrode device or a new test piece device is inserted, the reference electrode or the test piece can also be replaced, the whole collecting cylinder does not need to be dug out, and the use and the maintenance are convenient.
The test piece device can be used for installing different test pieces, so that different tests are realized, and the functions are expanded.
A plurality of reference electrodes and test pieces are placed in one collecting cylinder, so that the volume of the cathode testing device is greatly reduced, the structure is compact, and the excavation workload can be reduced.
The electrode sleeve is fixed in the collecting cylinder, the length of the electrode sleeve is smaller than that of the collecting cylinder, and the electrode device is movably inserted in the electrode sleeve; and the test piece sleeves are arranged in a plurality of numbers, the test piece sleeves are fixed in the collecting cylinder, the length of each test piece sleeve is smaller than that of the collecting cylinder, and the test piece device is movably inserted in the test piece sleeves.
By adopting the technical scheme, the electrode sleeve and the test strip sleeve are respectively used for protecting and isolating the electrode device and the test strip device, so that each electrode device and each test strip device cannot interfere with each other; meanwhile, the electrode sleeve and the test piece sleeve are convenient to plug and pull the electrode device and the test piece device, and are convenient to maintain.
The electrode sleeve and the test piece sleeve are fixed on the upper fixing plate; and the lower fixing plate is fixed at the bottom of the collecting cylinder and used for fixing the bottoms of the electrode sleeve and the test piece sleeve.
Through adopting above-mentioned technical scheme, a collection section of thick bamboo can adopt the pipe, makes simple structure, and processing is convenient, and upper fixed plate and bottom plate realize electrode sleeve pipe and test block sheathed tube fixed to fix at electrode sleeve pipe and test block sheathed tube both ends, make electrode sleeve pipe and test block sheathed tube reliable and stable.
Furthermore, the electrode device comprises an electrode connecting column, one end of the electrode connecting column is connected with a reference electrode, the other end of the electrode connecting column is connected with an electrode lead, and the electrode connecting column is used for conducting the reference electrode and the electrode lead; the electrode connecting pipe is fixed on the electrode connecting column; the reference electrode and the electrode connecting pipe are movably inserted in the electrode sleeve.
By adopting the technical scheme, the electrode connecting column is made of copper, and the copper conductivity is good. The electrode connecting pipe is made of a plastic pipe, so that the cost is low, the service life is long, the length of the electrode connecting pipe is long, and the end part is positioned on the outer side of the end part of the electrode sleeve, so that the electrode device can be conveniently plugged and pulled out.
Further, the test strip device comprises a test strip fixing column, one end of the test strip fixing column is provided with a fixing groove, the test strip is fixed on the fixing groove, the other end of the test strip fixing column is connected with the test strip lead, and the test strip fixing column is used for communicating the test strip with the test strip lead; the protection sleeve is provided with an insertion hole, the test piece is inserted into the insertion hole, and the test piece fixing column is fixed on the protection sleeve; one end of the test piece connecting pipe is fixed on the protective sleeve or the test piece fixing column; the protective sleeve and the test piece connecting pipe are movably inserted into the test piece sleeve.
Through adopting above-mentioned technical scheme, the test block fixed column adopts the copper preparation, guarantees good electric conductivity, and the lag adopts the plastic tubing, and the low price, processing is convenient to long service life, the tip of test block connecting pipe are located the outside of test block sleeve pipe tip, make things convenient for plug test block device.
The test piece fixing device further comprises a sealing plug, wherein the sealing plug is arranged between the protecting sleeve and the test piece fixing column and used for sealing the test piece.
By adopting the technical scheme, the sealing plug prevents the test piece fixing column from being corroded after being damped, protects the test piece fixing seat and prolongs the service life.
Furthermore, one end of the collecting cylinder is provided with a sealing cover plate, and the sealing cover plate is provided with a wire outlet hole.
By adopting the technical scheme, the sealing cover plate protects the test piece device and the electrode device in the collecting cylinder.
Further, the test strip includes at least one of a polarization test strip and a self-corrosion test strip.
By adopting the technical scheme, the test items can be expanded by the various test pieces, and various functions are realized.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a pair of modularization cathodic protection testing arrangement makes electrode or test piece change very convenient through modular structure to multiple test piece of easy to assemble uses reliable and stable.
Drawings
FIG. 1 is a perspective view of a modular cathodic protection test apparatus;
FIG. 2 is a cross-sectional view of a modular cathodic protection test apparatus;
FIG. 3 is a schematic view of a first viewing angle with the collection cartridge concealed;
FIG. 4 is a schematic view of a second viewing angle with the collection cartridge concealed;
FIG. 5 is a schematic sectional view of the electrode assembly;
FIG. 6 is a schematic cross-sectional view of a test strip device;
FIG. 7 is a perspective view of the test strip device with the protective sheath and the test strip connection tube hidden.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 7, a modular cathodic protection test device comprises a reference electrode 21 and a test strip 31, and further comprises a collection cylinder 11; at least one electrode device is movably inserted into the collecting cylinder 11, and the end part of the electrode device is provided with a reference electrode 21; and at least one test piece device, wherein the test piece device is movably inserted into the collecting cylinder 11, and one end of the test piece device is provided with a test piece 31.
The test piece 31 includes at least one of a polarization test piece and a self-corrosion test piece. The test piece device can be provided with different test pieces 31 to realize different tests and expand functions.
The collection canister 11 is buried underground. Because the electrode device and the test piece device are movably inserted into the collecting cylinder 11, when the reference electrode 21 or the test piece 31 is replaced, only the electrode device or the test piece device needs to be pulled out, a new electrode device or a new test piece device is inserted, the reference electrode 21 or the test piece 31 can be replaced, the whole collecting cylinder 11 does not need to be dug out, and the use and the maintenance are convenient.
A plurality of reference electrodes 21 and test pieces 31 are placed in one collecting cylinder 11, so that the volume of the cathode testing device is greatly reduced, the structure is compact, and the excavation workload can be reduced.
Specifically, the collecting cylinder 11 is made of a plastic pipe or a steel pipe, and the surface of the steel pipe is sprayed with plastic. The pipe is convenient to process and purchase. The steel pipe has good strength, and can effectively protect the internal electrode device and the test piece device. The top of gathering a section of thick bamboo 11 is equipped with the screw hole, and the top activity of gathering a section of thick bamboo 11 is equipped with sealed apron 12, and sealed apron 12 passes through the mounting of screw at the top of gathering a section of thick bamboo 11, is equipped with the wire hole on the sealed apron 12, and all directions with reference electrode 21 and test strip 31 intercommunication are all worn out from this wire hole, and the wire is all worn out through rubber seal, guarantees the leakproofness. The outlet hole can be provided with a plurality of outlet holes or one outlet hole, and is determined according to the sealing and use requirements. The wire outlet hole can also be provided with a sealing connector, the sealing performance of the connector is good, and a wire does not need to pass through the sealing cover plate 12, so that the connection is convenient. The sealing cover plate 12 protects the test strip unit and the electrode unit inside the collection cylinder 11.
The electrode sleeve 24 is fixed in the collection cylinder 11, the length of the electrode sleeve 24 is less than that of the collection cylinder 11, and the electrode device is movably inserted in the electrode sleeve 24; the test strip sleeve 35, test strip sleeve 35 are equipped with a plurality ofly, and test strip sleeve 35 fixes in gathering section of thick bamboo 11, and the length of test strip sleeve 35 is less than the length of gathering section of thick bamboo 11, and the activity of test strip device is inserted in test strip sleeve 35.
The electrode sleeve 24 and the test strip sleeve 35 are plastic tubes, and the electrode sleeve 24 and the test strip sleeve 35 are respectively used for protecting and isolating the electrode device and the test strip device, so that each electrode device and each test strip device cannot interfere with each other; meanwhile, the electrode sleeve 24 and the test piece sleeve 35 are convenient for plugging and unplugging the electrode device and the test piece device, and are convenient for maintenance.
Specifically, the device further comprises an upper fixing plate 13, wherein the upper fixing plate 13 is fixed at the top of the collection cylinder 11 and has a certain distance with the top of the collection cylinder 11, the upper fixing plate 13 is a circular plate, and a plurality of through holes are formed in the upper fixing plate 13 and are respectively used for fixing one end of the electrode sleeve 24 and one end of the test piece sleeve 35; and the lower fixing plate 14 is fixed at the bottom of the collection cylinder 11 and is hermetically connected, the lower fixing plate 14 is also a circular plate, the structure of the lower fixing plate is consistent with that of the upper fixing plate 13, the through holes on the lower fixing plate correspond to the through holes on the upper fixing plate 13 one by one, and the through holes on the lower fixing plate 14 are respectively used for fixing the other end of the electrode sleeve 24 and the other end of the test piece sleeve 35 on the same axis.
The upper fixing plate 13 and the lower fixing plate 14 fix the electrode sleeve 24 and the test strip sleeve 35, and are fixed at two ends of the electrode sleeve 24 and the test strip sleeve 35, so that the electrode sleeve 24 and the test strip sleeve 35 are stable and reliable. When the upper fixing plate 13 and the lower fixing plate 14 are made of plastic plates, they can be fixed on the collecting cylinder 11 by waterproof adhesive, and when the upper fixing plate 13 and the lower fixing plate 14 are made of iron plates, they can be fixed on the collecting cylinder 11 by welding or screws.
The electrode device comprises an electrode connecting column 22, one end of the electrode connecting column 22 is connected with a reference electrode 21, the other end of the electrode connecting column 22 is connected with an electrode lead, and the electrode connecting column 22 is used for conducting the reference electrode 21 and the electrode lead; and an electrode connecting tube 23, the electrode connecting tube 23 is fixed on the electrode connecting column 22; the reference electrode 21 and the electrode connecting tube 23 are movably inserted in the electrode sleeve 24.
The electrode connecting column 22 is made of copper, and the copper has good conductivity. Both ends of the electrode connecting column 22 are provided with threaded holes, wherein the threaded hole at one end is connected with the threaded column on the reference electrode 21, and the threaded hole at the other end is used for fixing an electrode lead on the electrode connecting column 22 by a screw.
The electrode connecting pipe 23 is made of a plastic pipe and has long service life, one end of the electrode connecting pipe 23 is inserted into the electrode connecting column 22, and the electrode connecting pipe 23 is fixed on the electrode connecting column 22 through a waterproof adhesive or fixed on the electrode connecting column 22 through a screw. The electrode connecting pipe 23 is long, the total length of the electrode connecting pipe 23 and the reference electrode 21 is greater than the length of the electrode sleeve 24, when the electrode device is used, the reference electrode 21 is positioned at the outer side of the bottom of the collecting cylinder 11, and the other end of the electrode connecting pipe 23 is positioned outside the electrode sleeve 24, so that the electrode device can be conveniently plugged and pulled out.
The reference electrode 21 can be made of the existing mature product, and the electrode sleeve 24 is matched with the reference electrode 21.
The test piece device comprises a test piece fixing column 33, one end of the test piece fixing column 33 is provided with a fixing groove 331, the test piece 31 is fixed on the fixing groove 331, the other end of the test piece fixing column 33 is connected with the test piece lead, and the test piece fixing column 33 is used for communicating the test piece 31 with the test piece lead; a protective sleeve 32, wherein the protective sleeve 32 is provided with a jack, the test piece 31 is inserted into the jack, and the test piece fixing column 33 is fixed on the protective sleeve 32; the sealing plug 36, the sealing plug 36 is installed between the protective sleeve 32 and the test piece fixing column 33, the sealing plug 36 is used for sealing the test piece 31; and a test piece connecting tube 34, one end of the test piece connecting tube 34 is fixed on the protecting sleeve 32 or the test piece fixing column 33; the protective sheath 32 and the test strip connecting tube 34 are movably inserted in the test strip sleeve 35.
The test piece fixing column 33 is made of copper, so that good conductivity is guaranteed, and the fixing groove 331 facilitates installation and replacement of the test piece 31. The test piece connecting pipe 34 is made of a plastic pipe, so that the test piece connecting pipe is low in price, convenient to process and long in service life.
The test strip 31 is located outside the bottom of the collection cartridge 11. The end of the test strip connecting tube 34 is located at the outer side of the end of the test strip sleeve 35, so that the test strip device can be conveniently plugged and unplugged.
The protective sleeve 32 is made of nylon.
The sealing plug 36 is made of rubber, so that the sealing performance is good. The sealing plug 36 prevents the test piece fixing column 33 from being corroded after being damped, protects the test piece fixing seat and prolongs the service life.
When the underground collecting pipe is used in construction, only one excavation is needed, and the collecting pipe is buried underground. The electrode device and the test piece device are inserted into the collection tube and the bottom of the collection tube, and the reference electrode 21 and the lead-out wires of the test pieces can be connected with an external intelligent test pile through the output terminals.
When the reference electrode 21 or the test piece 31 is replaced, the electrode device or the test piece device is taken out independently, or the reference electrode 21 or the test piece 31 is replaced, so that the replacing operation steps are greatly simplified, and the replacement is convenient and quick.
Claims (8)
1. The modularized cathodic protection testing device comprises a reference electrode (21) and a testing sheet (31), and is characterized by also comprising
A collection cartridge (11);
at least one electrode device is movably inserted into the collection cylinder (11), and a reference electrode (21) is arranged at the end part of the electrode device; and
the test piece device is not less than one, the test piece device is movably inserted into the collecting cylinder (11), and one end of the test piece device is provided with a test piece (31).
2. The modular cathodic protection testing device of claim 1, further comprising
The electrode sleeve (24), the electrode sleeve (24) is fixed in the collection cylinder (11), the length of the electrode sleeve (24) is less than that of the collection cylinder (11), and the electrode device is movably inserted in the electrode sleeve (24); and
the test piece sleeve (35), test piece sleeve (35) are equipped with a plurality ofly, test piece sleeve (35) are fixed in gathering section of thick bamboo (11), and the length of test piece sleeve (35) is less than the length of gathering section of thick bamboo (11), test piece device activity is inserted in test piece sleeve (35).
3. The modular cathodic protection testing device of claim 2, further comprising
The upper fixing plate (13), the upper fixing plate (13) is fixed on the top of the collection cylinder (11), and the upper fixing plate (13) is used for fixing the tops of the electrode sleeve (24) and the test piece sleeve (35); and
the lower fixing plate (14), the lower fixing plate (14) is fixed at the bottom of the collection cylinder (11), and the lower fixing plate (14) is used for fixing the bottoms of the electrode sleeve (24) and the test strip sleeve (35).
4. The modular cathodic protection testing device of claim 2, wherein the electrode assembly comprises
One end of the electrode connecting column (22) is connected with the reference electrode (21), the other end of the electrode connecting column (22) is connected with the electrode lead, and the electrode connecting column (22) is used for conducting the reference electrode (21) and the electrode lead; and
the electrode connecting pipe (23), the electrode connecting column (22) is fixed in the electrode connecting pipe (23);
the reference electrode (21) and the electrode connecting pipe (23) are movably inserted in the electrode sleeve (24).
5. The modular cathodic protection testing device of claim 2, wherein the test strip device comprises
The test strip fixing column (33), one end of the test strip fixing column (33) is provided with a fixing groove (331), the test strip (31) is fixed on the fixing groove (331), the other end of the test strip fixing column (33) is connected with the test strip lead, and the test strip fixing column (33) is used for communicating the test strip (31) with the test strip lead;
the protection sleeve (32) is provided with a jack, the test piece (31) is inserted into the jack, and the test piece fixing column (33) is fixed on the protection sleeve (32); and
the test piece connecting pipe (34), one end of the test piece connecting pipe (34) is fixed on the protective sleeve (32) or the test piece fixing column (33);
the protective sleeve (32) and the test piece connecting pipe (34) are movably inserted in the test piece sleeve (35).
6. The modular cathodic protection testing device as recited in claim 5, further comprising a sealing plug (36), wherein the sealing plug (36) is installed between the protective sheath (32) and the strip fixing post (33), and the sealing plug (36) is used for sealing the test strip (31).
7. The modular cathodic protection testing device as recited in claim 1, wherein one end of said collection canister (11) is equipped with a sealing cover plate (12), said sealing cover plate (12) is provided with an outlet hole.
8. A modular cathodic protection testing device as in claim 1, characterized in that said test strip (31) comprises at least one of a polarization test strip, a self-corrosion test strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897398.8U CN210953754U (en) | 2019-11-05 | 2019-11-05 | Modularization cathodic protection testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897398.8U CN210953754U (en) | 2019-11-05 | 2019-11-05 | Modularization cathodic protection testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210953754U true CN210953754U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921897398.8U Active CN210953754U (en) | 2019-11-05 | 2019-11-05 | Modularization cathodic protection testing arrangement |
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| Country | Link |
|---|---|
| CN (1) | CN210953754U (en) |
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- 2019-11-05 CN CN201921897398.8U patent/CN210953754U/en active Active
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