CN220132352U - Cathode protective cover of buried pipeline - Google Patents
Cathode protective cover of buried pipeline Download PDFInfo
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- CN220132352U CN220132352U CN202321292064.4U CN202321292064U CN220132352U CN 220132352 U CN220132352 U CN 220132352U CN 202321292064 U CN202321292064 U CN 202321292064U CN 220132352 U CN220132352 U CN 220132352U
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- fixedly connected
- silica gel
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- pipeline
- screw
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- 230000001681 protective effect Effects 0.000 title abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 47
- 230000004224 protection Effects 0.000 claims abstract description 41
- 239000000741 silica gel Substances 0.000 claims abstract description 32
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims 1
- 238000005728 strengthening Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000009979 protective mechanism Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 239000012466 permeate Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 7
- 239000003063 flame retardant Substances 0.000 description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000004210 cathodic protection Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a cathode protective cover for a buried pipeline, which relates to the technical field of protective covers and comprises a reinforcing mechanism, wherein the inside of the reinforcing mechanism is fixedly connected with a protective mechanism, and one side of the protective mechanism is fixedly connected with a connecting mechanism. According to the utility model, two protection covers are respectively attached to two sides of an underground pipeline, then the screw II is rotated, under the action of the screw II, the two protection covers are attached to and fixed with respect to the underground pipeline, meanwhile, the silica gel pad II is arranged to enable the protection covers to have a better waterproof effect and be difficult to permeate water, then the connecting sleeve of the other two protection covers is attached to the surface of the connector, the screw I is rotated to fixedly connect the plurality of protection covers, and meanwhile, the silica gel sheet and the silica gel pad I are arranged to enable the waterproof performance of the connection part of the protection covers to be better, so that the problem that the use effect of the underground pipeline is poor due to the fact that the pipeline is assembled in multiple sections in the use process of the underground pipeline, and the water seepage and water leakage phenomenon can occur at the connection part of the pipeline is solved.
Description
Technical Field
The utility model relates to the technical field of protective covers, in particular to a cathode protective cover for a buried pipeline.
Background
The cathode protection technology is one of electrochemical protection technology, and its principle is that an external current is applied to the surface of the corroded metal structure, the corroded metal structure becomes a cathode, so that electron migration caused by metal corrosion is inhibited, corrosion is avoided or weakened, the cathode protection principle is that a negative potential is artificially connected to the metal sheath of the cable, a positive electrode is connected to an electrode beyond a certain distance, and the metal sheath of the cable has a negative potential to the ground. Thus, the phenomenon that current flows outwards through the outer skin of the cable can not occur, the effect of protecting the outer skin of the cable can be achieved, the cathode protection is used in many occasions, and the cathode protection device is usually composed of a power transformer and a bridge rectifier. The voltage of the cathode protection is adjustable, and the power load is larger. The alternating current 220V power supply is changed into direct current through the transformer and the rectifying circuit, the negative electrode is connected to the metal sheath, the positive electrode is grounded, the cable sheath is ensured to keep proper negative potential to the ground, and therefore the metal sheath of the cable is not easy to corrode. The cathodic protection device may also be powered by a dc battery if it is not powered by ac power. But note that the cathode device should be installed at the place where the average positive potential of the cable sheath is highest.
For example, chinese patent publication No. CN218294947U discloses a pipeline protecting cover, which belongs to the technical field of agricultural engineering pipelines. Comprising: the middle position of the top of the bottom plate is detachably provided with an arc-shaped supporting block for supporting the engineering pipeline; the protective shell is positioned at the top of the bottom plate, and positioning lips are fixedly arranged on two sides of the protective shell; according to the utility model, as the two steel clamping plates are driven by the fixing component to clamp the engineering pipeline, the problem of complex operation caused by the need of adjusting and then installing the engineering pipeline is effectively solved, and the steel clamping plates in the protecting shell are directly driven by the fixing component to clamp the engineering pipeline after the protecting shell is fixedly installed, so that any adjustment according to the size of the engineering pipeline is not needed, the steel clamping plates can be automatically adjusted according to the size of the engineering pipeline under the driving of the fixing component, and the clamping is convenient, and the operation is more convenient.
The following problems exist in the prior art:
in the prior art, in the process of using the buried pipeline, as the buried pipeline is buried underground and the current with anti-corrosion effect is used, when the stress above the ground of the buried pipeline is excessive, the buried pipeline is deformed, the resistance is changed, and the cathode protection effect is poor; in the prior art, in the use process of the buried pipeline, as the pipeline is assembled and installed in a multi-section manner, water seepage and water leakage phenomenon can occur at the joint of the pipeline, so that the use effect of the buried pipeline is deteriorated.
Disclosure of Invention
The utility model provides a cathode protective cover of a buried pipeline, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the cathode protective cover of the buried pipeline comprises a reinforcing mechanism, wherein the inside of the reinforcing mechanism is fixedly connected with a protective mechanism, and one side of the protective mechanism is fixedly connected with a connecting mechanism; the reinforcing mechanism comprises an antifreezing layer and a fireproof sand layer, wherein the interior of the antifreezing layer is fixedly connected with the surface of the fireproof sand layer, the interior of the fireproof sand layer is fixedly connected with an anti-permeation layer, and the interior of the anti-permeation layer is fixedly connected with a first fixing block; the bottom fixedly connected with branch of fixed block one, the bottom fixedly connected with fixed block two of branch.
The technical scheme of the utility model is further improved as follows: the protection mechanism comprises a rubber pad and a fireproof layer, wherein the inner wall of the rubber pad is fixedly connected with the surface of the fireproof layer, and the buffer plate is fixedly connected with the inner wall of the fireproof layer.
The technical scheme of the utility model is further improved as follows: the inner wall overlap joint of buffer board buries the pipeline with, the top of rubber pad and fixed block two's bottom fixed connection.
The technical scheme of the utility model is further improved as follows: the connecting mechanism comprises a connector and a silica gel sheet, the surface of the connector is fixedly connected with the bottom of the silica gel sheet, and the surface of the silica gel sheet is lapped with a connecting sleeve.
The technical scheme of the utility model is further improved as follows: the inner thread of the connecting sleeve is connected with a first screw, the surface of the first screw is fixedly connected with a first silica gel pad, the surface of the connecting sleeve is fixedly connected with a clamping block, and the bottom of the clamping block is fixedly connected with a second silica gel pad.
The technical scheme of the utility model is further improved as follows: the inside threaded connection of clamp piece has the screw two, the surface threaded connection of screw two has the nut, the top and the bottom overlap joint of clamp piece of nut.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a cathode protective cover for an underground pipeline, which is formed by combining a plurality of flame retardant compartments through the arrangement of a fireproof sand layer, wherein a rubber pad, a fireproof layer, a buffer plate, an underground pipeline and the like are adopted to be matched with each other, the fireproof sand layer is arranged to block external open fire, and the fireproof layer is arranged to be formed by combining a plurality of flame retardant compartments.
2. The utility model provides a cathode protection cover of an underground pipeline, which adopts the mutual matching of a connector, a silica gel sheet, a connecting sleeve, a screw I, a silica gel pad I, a clamping block, a silica gel pad II, a screw cap and the like, and by using two protection covers to be respectively attached to two sides of the underground pipeline and then rotating the screw II, under the action of the screw II, the two protection covers are attached to the underground pipeline and fixed, meanwhile, the silica gel pad II is arranged to ensure that the protection covers have better waterproof effect, water seepage is difficult to occur, then the connecting sleeve of the other two protection covers is attached to the surface of the connector, the screw I is rotated to fixedly connect a plurality of protection covers, and meanwhile, the silica gel sheet and the silica gel pad I are arranged, so that the waterproof performance of the connection part of the protection covers is better, and the problem that the use effect of the underground pipeline is poor due to the fact that the water seepage phenomenon occurs at the connection part of the pipeline is formed by the multi-section combined installation of the pipeline in the use process of the underground pipeline.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of a partially cut-away structure of the present utility model;
fig. 4 is an enlarged schematic view of fig. 2A according to the present utility model.
In the figure: 1. a reinforcement mechanism; 11. an anti-freezing layer; 12. a fireproof sand layer; 13. an permeation prevention layer; 14. a first fixed block; 15. a support rod; 16. a second fixed block; 2. a protective mechanism; 21. a rubber pad; 22. a fire-blocking layer; 23. a buffer plate; 24. burying a pipeline; 3. a connecting mechanism; 31. a connector; 32. a silicone sheet; 33. connecting sleeves; 34. a first screw; 35. a silica gel pad I; 36. a clamping block; 37. a silica gel pad II; 38. a second screw; 39. and (5) a screw cap.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a cathode protection cover for a buried pipeline, which comprises a reinforcing mechanism 1, wherein a protection mechanism 2 is fixedly connected inside the reinforcing mechanism 1, and a connecting mechanism 3 is fixedly connected on one side of the protection mechanism 2; the reinforcing mechanism 1 comprises an antifreezing layer 11 and a fireproof sand layer 12, wherein the interior of the antifreezing layer 11 is fixedly connected with the surface of the fireproof sand layer 12, an anti-seepage layer 13 is fixedly connected with the interior of the fireproof sand layer 12, and a first fixing block 14 is fixedly connected with the interior of the anti-seepage layer 13; the bottom of the first fixed block 14 is fixedly connected with a supporting rod 15, and the bottom of the supporting rod 15 is fixedly connected with a second fixed block 16.
In this embodiment, through the setting of branch 15, the tolerance to the protection casing is stronger, makes the pipeline can not atress warp when receiving external force great to lead to cathodic protection effect variation, carries out the separation to external open flame through the setting of fire prevention sand soil layer 12 simultaneously.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the protection mechanism 2 comprises a rubber pad 21 and a fireproof layer 22, wherein the inner wall of the rubber pad 21 is fixedly connected with the surface of the fireproof layer 22, the inner wall of the fireproof layer 22 is fixedly connected with a buffer plate 23, the inner wall of the buffer plate 23 is lapped with a buried pipeline 24, and the top of the rubber pad 21 is fixedly connected with the bottom of the second fixed block 16.
In this embodiment, the setting through the sand layer 12 that prevents fires separates external open fire, and the flame retardant layer 22 sets up to a plurality of fire retardant compartments and forms simultaneously, and when taking place spontaneous combustion in inside, the fire retardant flows out and fire-retardant to it, makes fire prevention effect better, has solved in the buried pipeline use process, because the continuous work of cable in the pipeline can produce a large amount of heats, and these heats can always make the pipeline in-process temperature continuously rise gradually to lead to the cable to appear spontaneous combustion phenomenon, the conflagration is initiated, causes the problem of unnecessary loss.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the connecting mechanism 3 comprises a connector 31 and a silica gel sheet 32, the surface of the connector 31 is fixedly connected with the bottom of the silica gel sheet 32, a connecting sleeve 33 is lapped on the surface of the silica gel sheet 32, a first screw 34 is connected with the inner thread of the connecting sleeve 33, a first silica gel pad 35 is fixedly connected with the surface of the first screw 34, a clamping block 36 is fixedly connected with the surface of the connecting sleeve 33, a second silica gel pad 37 is fixedly connected with the bottom of the clamping block 36, a second screw 38 is connected with the inner thread of the clamping block 36, a nut 39 is connected with the surface of the second screw 38, and the top of the nut 39 is lapped with the bottom of the clamping block 36.
In this embodiment, through using two safety covers to laminate respectively with the both sides of buried pipeline, rotate screw two 38 afterwards, under the effect of screw two 38, make two safety covers hug closely fixedly to buried pipeline, the setting of silica gel pad two 37 makes safety cover water-proof effects better simultaneously, be difficult for the infiltration, the adapter sleeve 33 laminating of two other safety covers is followed and is connected 31 surfaces with the connector, rotate screw one 34, carry out fixed connection between the polylith protection covers, simultaneously silica gel piece 32 and silica gel pad one 35's setting, make the waterproof performance of safety cover junction better, the in-process of using at buried pipeline has been solved, because the pipeline is multisection combination installation, the infiltration water leakage phenomenon can appear in the pipeline junction, make the problem of buried pipeline result of use variation.
The working principle of the cathode protective cover of the buried pipeline is specifically described below.
As shown in fig. 1-4, when the cathode protection cover of the local buried pipeline is used, the protection cover is firstly installed on the surface of the buried pipeline, two protection covers are respectively attached to two sides of the buried pipeline, then the screw II 38 is rotated, under the action of the screw II 38, the two protection covers are attached to the buried pipeline and fixed, meanwhile, the arrangement of the silica gel pad II 37 enables the protection cover to have better waterproof effect, water seepage is difficult, then the connecting sleeve 33 of the other two protection covers is attached to the surface of the connecting head 31, the screw I34 is rotated to fixedly connect the protection covers, meanwhile, the silica gel sheet 32 and the silica gel pad I35 are arranged, so that the waterproof performance of the connection part of the protection covers is better, the protection cover is stronger in bearing force through the arrangement of the supporting rod 15, the pipeline is not deformed under stress when the external force is larger, the cathode protection effect is poor, meanwhile, external open fire is blocked through the arrangement of the fireproof sand layer 12, and the fireproof layer 22 is formed by combining a plurality of fireproof agent compartments, and the fireproof agent flows out to perform flame retardance when spontaneous combustion occurs inside.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a buried pipeline cathode protection casing, includes strengthening mechanism (1), its characterized in that: the inside of the reinforcing mechanism (1) is fixedly connected with a protection mechanism (2), and one side of the protection mechanism (2) is fixedly connected with a connecting mechanism (3);
the reinforcing mechanism (1) comprises an antifreezing layer (11) and a fireproof sand layer (12), wherein the interior of the antifreezing layer (11) is fixedly connected with the surface of the fireproof sand layer (12), an anti-permeation layer (13) is fixedly connected with the interior of the fireproof sand layer (12), and a first fixing block (14) is fixedly connected with the interior of the anti-permeation layer (13);
the bottom of fixed block one (14) is fixedly connected with branch (15), the bottom of branch (15) is fixedly connected with fixed block two (16).
2. A buried pipeline cathode shield according to claim 1, wherein: the protection mechanism (2) comprises a rubber pad (21) and a fireproof layer (22), wherein the inner wall of the rubber pad (21) is fixedly connected with the surface of the fireproof layer (22), and the inner wall of the fireproof layer (22) is fixedly connected with a buffer plate (23).
3. A buried pipeline cathode shield according to claim 2, wherein: the inner wall overlap joint of buffer board (23) has buried pipeline (24), the top of rubber pad (21) and the bottom fixed connection of fixed block two (16).
4. A buried pipeline cathode shield according to claim 1, wherein: the connecting mechanism (3) comprises a connector (31) and a silica gel sheet (32), the surface of the connector (31) is fixedly connected with the bottom of the silica gel sheet (32), and a connecting sleeve (33) is lapped on the surface of the silica gel sheet (32).
5. A buried pipeline cathode shield according to claim 4, wherein: the novel plastic rubber connecting sleeve is characterized in that a first screw (34) is connected to the inner thread of the connecting sleeve (33), a first silica gel pad (35) is fixedly connected to the surface of the first screw (34), a clamping block (36) is fixedly connected to the surface of the connecting sleeve (33), and a second silica gel pad (37) is fixedly connected to the bottom of the clamping block (36).
6. A buried pipeline cathode shield according to claim 5, wherein: the inside threaded connection of clamp piece (36) has screw two (38), the surface threaded connection of screw two (38) has nut (39), the top of nut (39) and the bottom overlap joint of clamp piece (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321292064.4U CN220132352U (en) | 2023-05-24 | 2023-05-24 | Cathode protective cover of buried pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321292064.4U CN220132352U (en) | 2023-05-24 | 2023-05-24 | Cathode protective cover of buried pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220132352U true CN220132352U (en) | 2023-12-05 |
Family
ID=88962914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321292064.4U Active CN220132352U (en) | 2023-05-24 | 2023-05-24 | Cathode protective cover of buried pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220132352U (en) |
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2023
- 2023-05-24 CN CN202321292064.4U patent/CN220132352U/en active Active
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