CN220619114U - Detection tool for cathode protection of natural gas pipeline - Google Patents
Detection tool for cathode protection of natural gas pipeline Download PDFInfo
- Publication number
- CN220619114U CN220619114U CN202322305693.2U CN202322305693U CN220619114U CN 220619114 U CN220619114 U CN 220619114U CN 202322305693 U CN202322305693 U CN 202322305693U CN 220619114 U CN220619114 U CN 220619114U
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- natural gas
- detection tool
- pipeline
- insulating plate
- cathodic protection
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 239000003345 natural gas Substances 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000004210 cathodic protection Methods 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 8
- 230000010287 polarization Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a detection tool for cathode protection of a natural gas pipeline, relates to the technical field of cathode protection of gas pipelines, and solves the technical problem that a natural gas pipeline cathode protection detection device in the prior art is inconvenient to test natural potential and anode consumption polarization conditions of the pipeline. The detection tool comprises an insulating plate, wherein the insulating plate is arranged in a cathode protection pile; the number of the wires is four, and the four wires are connected with the pipeline, the reference electrode and the two sacrificial anodes; the number of the blades is three, the three blades are arranged on one side of the insulating plate, and the three blades are respectively communicated with the pipeline and the two sacrificial anodes; the communication block is arranged on the insulating plate and is opposite to the three blades; the number of the gate tool holders is three, three mounting grooves are formed in the communicating block, and the three gate tool holders are arranged in the three mounting grooves and are in one-to-one correspondence with the three gate tools. Through the structure, each potential is more convenient to detect, and the operation is simple.
Description
Technical Field
The utility model relates to the technical field of cathode protection of gas pipelines, in particular to a detection tool for cathode protection of a natural gas pipeline.
Background
Cathodic protection is an electrochemical protection technology for preventing metal from corroding in dielectric medium, and the basic principle of the technology is to apply a certain direct current to the surface of the protected metal to generate cathodic polarization, and when the potential of the metal is lower than a certain potential value, the anodic dissolution process of corrosion is effectively inhibited so as to achieve the protection effect. There are generally two methods of sacrificial anodic protection and impressed forced current cathodic protection. Due to the influence of factors such as construction quality, soil corrosion and the like, the anti-corrosion layer of the pipeline is easy to damage, the anti-corrosion quality of the steel pipeline is good, and the service life is directly influenced. Protection against corrosion of buried pipelines is important by providing a negative current to the pipeline for cathodic protection by coupling with a metal component as a sacrificial anode.
In the natural gas pipeline operation process, the pipeline cathodic protection condition directly relates to natural gas pipeline life and operation safety, therefore, can carry out periodic detection to cathodic protection potential and sacrificial anode consumption condition, but, current cathodic protection test pile test downthehole termination is cable and contact copper sheet bolted connection, can only detect the protection potential during the test, when if want to test pipeline natural potential and sacrificial anode consumption polarization condition, must manual dismantlement bolt, there is dismantlement installation inconvenience, fastening bolt drops into test pile bottom and personnel operation improperly leads to the problem of contact adverse effect pipeline protection.
Disclosure of Invention
The utility model provides a detection tool for cathode protection of a natural gas pipeline, which is used for solving the technical problem that a natural gas pipeline cathode protection detection device in the prior art is inconvenient to test the natural potential of the pipeline and the consumed polarization condition of an anode.
The utility model is realized by the following technical scheme:
a detection tool for cathodic protection of a natural gas pipeline, comprising:
the insulating plate is arranged in the cathode protection pile;
the number of the wires is four, and the four wires are respectively connected with the pipeline, the reference electrode and the two sacrificial anodes;
the number of the blades is three, the three blades are arranged on one side of the insulating plate, and the three blades are respectively communicated with the pipeline and the two sacrificial anodes;
the communication block is arranged on the insulating plate and is opposite to the three blades;
the number of the gate tool holders is three, three mounting grooves are formed in the communicating block, and the three gate tool holders are respectively mounted in the three mounting grooves and are in one-to-one correspondence with the three gate tools.
Further, the detection tool further includes:
the bolt is provided with a threaded hole on the insulating plate, and the bolt is in threaded connection with the threaded hole.
Further, the number of the bolts is four, the four bolts are all screwed on the insulating plate, and the four bolts are located on the four vertexes of the same rectangle.
Further, the detection tool further includes:
and the number of the wire pipes is three, the three wire pipes are all installed on the insulating plate, and the three wire pipes are clamped at one ends of the three wires.
Further, the detection tool further includes:
the support is arranged on the insulating plate, and the knife switch is arranged on the support;
the pin, the first through-hole has been seted up on the support, the second through-hole has been seted up to the one end of plug-in strip, the pin is installed first through-hole with in the second through-hole.
Further, the support and the pins form a group of installation components, the number of the installation components is three, and the three groups of installation components are arranged in one-to-one correspondence with the three switch blades.
Further, the detection tool further includes:
and the handle is arranged at one end of each knife switch, which is far away from the bracket.
Further, the blade seat includes:
the number of the arc-shaped elastic pieces is two, the protruding surfaces of the two arc-shaped elastic pieces are arranged oppositely, and the two arc-shaped elastic pieces are connected.
Further, the blade seat further includes:
and the bottom of each mounting groove is provided with the snap spring.
Further, the communicating block is a copper sheet.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the utility model provides a detection tool for cathode protection of a natural gas pipeline, which comprises an insulating plate, four wires, a knife switch, a communicating block and knife switch seats, wherein the insulating plate is arranged in a cathode protection pile, the four wires are respectively connected with the pipeline, a reference electrode and two sacrificial anodes, the number of the knife switch is three, the three knife switches are respectively arranged on one side of the insulating plate and are respectively communicated with the pipeline and the two sacrificial anodes, the communicating block is arranged on the insulating plate and is opposite to the three knife switches, the number of knife switch seats is three, the communicating block is provided with three mounting grooves, and the three knife switch seats are respectively arranged in the three mounting grooves and are arranged in one-to-one correspondence to the three knife switches.
Through above-mentioned structure, switch on sacrificial anode and pipeline, reference electrode and sacrificial anode through the guillotine, when the natural potential and the positive pole consumption condition of the cathodic protection of natural gas pipeline need be detected, break off the guillotine can, if need alone detect the potential of pipeline, or the protection potential, or when sacrificial anode potential, only need break off corresponding guillotine can, like this, through the setting of guillotine, be convenient for more detect each potential, work efficiency has been improved, easy operation, and pipeline cathodic protection return circuit contact failure's condition when having avoided dismantling the back again installation, guarantee the state that natural gas pipeline was protected in operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a detection tool for cathodic protection of a natural gas pipeline according to the present utility model.
In the drawings, the reference numerals and corresponding part names:
the device comprises a 1-insulating plate, a 11-threaded hole, a 2-lead, a 3-knife switch, a 31-handle, a 4-communicating block, a 5-knife switch seat, a 51-arc-shaped elastic sheet, a 52-clamp spring, a 6-spool, a 7-mounting component, a 71-bracket and a 72-pin.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Examples
The embodiment improves a detection tool for natural gas pipeline cathodic protection, is used for solving the technical problem that the natural gas pipeline cathodic protection detection device in the prior art is inconvenient for testing the natural potential of the pipeline and the anode consumption polarization condition. This a detection tool for natural gas line cathodic protection includes insulation board 1, wire 2, switch blade 3, intercommunication piece 4 and switch blade seat 5, wherein:
the insulating board 1 is installed in the cathode protection stake, and the cathode protection stake is the indispensable device in the long-distance pipeline cathode protection system, mainly used pipeline's kilometer indication, cathode protection effect and operating parameter's detection.
The number of the wires 2 is four, and the four wires 2 are respectively connected with a pipeline, a reference electrode and two sacrificial anodes.
The number of the blades 3 is three, the three blades 3 are all arranged on one side of the insulating plate 1, and the three blades 3 are respectively communicated with the pipeline and the two sacrificial anodes.
The communicating block 4 is mounted on the insulating plate 1 and is disposed opposite to the three blades 3, so that the pipe is communicated with the sacrificial anode by the arrangement of the communicating block 4.
The number of the gate knife holders 5 is three, three mounting grooves are formed in the communicating block 4, the three gate knife holders 5 are respectively mounted in the three mounting grooves and are in one-to-one correspondence with the three gate knives 3, and therefore, the connection between the sacrificial anode and the pipeline, the connection between the reference electrode and the pipeline and the connection between the reference electrode and the sacrificial anode are conveniently communicated and disconnected through the cooperation of the gate knives 3 and the gate knife holders 5.
Through the structure, the sacrificial anode, the pipeline, the reference electrode and the sacrificial anode are conducted through the guillotine 3, when the natural potential and the anode consumption condition of the cathode protection of the natural gas pipeline are required to be detected, the guillotine 3 is disconnected, if the potential of the pipeline is required to be detected singly, or the potential is protected, or when the potential of the sacrificial anode is required to be detected, the corresponding guillotine 3 is disconnected, so that the detection of each potential is facilitated through the arrangement of the guillotine 3, the working efficiency is improved, the operation is simple, the condition of poor contact of the cathode protection loop of the pipeline during reinstallation after the disassembly is avoided, and the protected state of the natural gas pipeline in operation is ensured.
An alternative implementation of this embodiment is as follows: the detection tool further comprises a bolt, wherein:
the screw holes 11 are formed in the insulating plate 1, the bolts are screwed into the screw holes 11, and the insulating plate 1 is conveniently installed in the cathode protection pile through the arrangement of the bolts.
Optionally, the quantity of bolt is four, and four bolts all spiro union are on insulation board 1, and four bolts are located four summit of same rectangle, like this, through the setting of four bolts, with the installation that insulation board 1 is more firm in the cathode protection stake.
An alternative implementation of this embodiment is as follows: the detection tool further comprises a spool 6, wherein:
the quantity of spool 6 is three, and three spool 6 all installs on insulation board 1, and the one end at three wire 2 of three spool 6 joint, and optionally, spool 6 is copper spool 6, through the setting of spool 6, with wire 2 chucking on insulation board 1, avoid wire 2 to drop.
An alternative implementation of this embodiment is as follows: the detection tool further comprises a support 71 and a pin 72, wherein:
the bracket 71 is mounted on the insulating plate 1, and the blade 3 is mounted on the bracket 71.
The first through hole has been seted up on the support 71, and the second through hole has been seted up to the one end of plug blade 3, and pin 72 installs in first through hole and second through hole, like this, through the setting of support 71, installs plug blade 3 on insulation board 1, rotates plug blade 3 through pin 72 and installs on support 71, be convenient for dismouting or change plug blade 3.
Alternatively, the bracket 71 and the pin 72 form the assembly mounting assembly 7, the number of the mounting assemblies 7 is three, and the three groups of the mounting assemblies 7 are arranged in a one-to-one correspondence with the three blades 3. In this way, the three blades 3 are separately mounted by the plurality of sets of mounting assemblies 7, which facilitates the detection of the respective potentials separately.
An alternative implementation of this embodiment is as follows: the detection tool further comprises a handle 31, wherein:
the handle 31 is mounted at the end of each blade 3 remote from the bracket 71, so that the handle 31 is arranged to facilitate operation and provide higher safety.
An alternative implementation of this embodiment is as follows: the shutter blade holder 5 comprises an arc-shaped elastic sheet 51, wherein:
the quantity of arc shell fragment 51 is two, and the protrusion face of two arc shell fragments 51 sets up relatively, and two arc shell fragments 51 meet and set up, like this, through the setting of two arc shell fragments 51, when needs intercommunication sacrificial anode and pipeline, reference electrode and sacrificial anode, only need with knife switch 3 chucking into two arc shell fragments 51 can, when knife switch 3 joint in two arc shell fragments 51, knife switch 3 extrudees two arc shell fragments 51 towards the direction that deviates from mutually, and two arc shell fragments 51 press from both sides knife switch 3 tightly, avoid knife switch 3 to drop from knife switch seat 5.
Optionally, the blade seat 5 further comprises a snap spring 52, wherein:
the snap springs 52 are arranged at the bottoms of the mounting grooves, and the two arc-shaped elastic sheets 51 are clamped through the arrangement of the snap springs 52, so that the arc-shaped elastic sheets 51 are prevented from loosening.
An alternative implementation of this embodiment is as follows: the communicating block 4 is a copper sheet.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A detection tool for cathodic protection of a natural gas pipeline, comprising:
an insulating plate (1), wherein the insulating plate (1) is installed in the cathode protection pile;
the number of the wires (2) is four, and the four wires (2) are respectively connected with the pipeline, the reference electrode and the two sacrificial anodes;
the number of the blades (3) is three, the three blades (3) are arranged on one side of the insulating plate (1), and the three blades (3) are respectively communicated with the pipeline and the two sacrificial anodes;
the communication blocks (4) are arranged on the insulating plate (1) and are opposite to the three blades (3);
the number of the knife switch seats (5) is three, three mounting grooves are formed in the communicating block (4), and the three knife switch seats (5) are respectively mounted in the three mounting grooves and are in one-to-one correspondence with the three knife switches (3).
2. The detection tool for cathodic protection of a natural gas pipeline of claim 1, further comprising:
the bolt, offer screw hole (11) on insulation board (1), the bolt spiro union is in screw hole (11).
3. A detection tool for cathodic protection of natural gas pipelines according to claim 2, characterized in that said number of bolts is four, four of said bolts are all screwed onto said insulating plate (1), and four of said bolts are located on four vertices of the same rectangle.
4. The detection tool for cathodic protection of a natural gas pipeline of claim 1, further comprising:
spool (6), the quantity of spool (6) is three, and three spool (6) are all installed on insulation board (1), and three spool (6) joint is in the one end of three wire (2).
5. The detection tool for cathodic protection of a natural gas pipeline of claim 1, further comprising:
-a bracket (71), said bracket (71) being mounted on said insulating plate (1), said blade (3) being mounted on said bracket (71);
the pin (72) is arranged on the support (71), a first through hole is formed in one end of the knife switch (3), a second through hole is formed in one end of the knife switch, and the pin (72) is arranged in the first through hole and the second through hole.
6. A detection tool for cathodic protection of natural gas pipelines according to claim 5, characterized in that said support (71) and said pins (72) form a set of mounting assemblies (7), said number of mounting assemblies (7) being three, and said three sets of mounting assemblies (7) being arranged in a one-to-one correspondence with three said blades (3).
7. The detection tool for cathodic protection of a natural gas pipeline of claim 6, further comprising:
and handles (31), wherein the handles (31) are arranged at one end of each knife switch (3) far away from the bracket (71).
8. A detection tool for cathodic protection of natural gas pipelines according to claim 1, characterized in that said blade seat (5) comprises:
the number of the arc-shaped elastic pieces (51) is two, the protruding surfaces of the two arc-shaped elastic pieces (51) are arranged oppositely, and the two arc-shaped elastic pieces (51) are connected.
9. A detection tool for cathodic protection of natural gas pipelines according to claim 8, characterized in that said blade seat (5) further comprises:
and the snap springs (52) are arranged at the bottoms of the mounting grooves, and the snap springs (52) are arranged at the bottoms of the mounting grooves.
10. A detection tool for cathodic protection of natural gas pipelines according to any one of claims 1 to 9, wherein said communicating block (4) is a copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322305693.2U CN220619114U (en) | 2023-08-25 | 2023-08-25 | Detection tool for cathode protection of natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322305693.2U CN220619114U (en) | 2023-08-25 | 2023-08-25 | Detection tool for cathode protection of natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220619114U true CN220619114U (en) | 2024-03-19 |
Family
ID=90212298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322305693.2U Active CN220619114U (en) | 2023-08-25 | 2023-08-25 | Detection tool for cathode protection of natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220619114U (en) |
-
2023
- 2023-08-25 CN CN202322305693.2U patent/CN220619114U/en active Active
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