CN219866929U - Corrosion-resistant structure for welding seam of inner coating pipe - Google Patents
Corrosion-resistant structure for welding seam of inner coating pipe Download PDFInfo
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- CN219866929U CN219866929U CN202321023694.1U CN202321023694U CN219866929U CN 219866929 U CN219866929 U CN 219866929U CN 202321023694 U CN202321023694 U CN 202321023694U CN 219866929 U CN219866929 U CN 219866929U
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- coating pipe
- fixedly connected
- shaped groove
- groove plate
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- 239000011248 coating agent Substances 0.000 title claims abstract description 76
- 238000000576 coating method Methods 0.000 title claims abstract description 76
- 238000003466 welding Methods 0.000 title claims abstract description 51
- 238000005260 corrosion Methods 0.000 title claims description 16
- 230000007797 corrosion Effects 0.000 title claims description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 238000005536 corrosion prevention Methods 0.000 claims abstract description 8
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000246 remedial effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model belongs to the field of weld corrosion prevention, in particular to an inner coating pipe weld corrosion prevention structure, which aims at the problems that the welding part is not provided with a protective measure and is easy to corrode or leak because the welding is not tight in the prior art, and once the welding part leaks, the pressure can be generated to the external protective measure to cause the leakage under the condition that the welding part is not found in time.
Description
Technical Field
The utility model relates to the technical field of weld joint corrosion prevention, in particular to an inner coating pipe weld joint corrosion prevention structure.
Background
With the development of national economy, the advantages of pipeline transportation are increasingly highlighted, basically, the oil pipeline adopts carbon steel seamless steel pipes, straight seam resistance welded steel pipes and spiral welded seam steel pipes, and the oil pipeline is laid in an overhead or buried mode. However, in that way, when the metal pipe is in contact with the surrounding medium, it may be corroded by chemical or electrochemical action, particularly at the weld.
The utility model with the bulletin number of CN210266408U relates to an anticorrosive structure of an inner coating pipe welding seam. The inner coating pipe welding seam anticorrosion structure comprises a left coating pipe and a right coating pipe which are positioned on site, wherein a welding seam is arranged between the left coating pipe and the right coating pipe; the hollow annular protective tube is characterized by further comprising a circle of elastic protrusions, wherein the elastic protrusions are circumferentially arranged on the outer side of the middle tube wall of the outer diameter of the hollow annular protective tube, and the width of each elastic protrusion is larger than that of a welding line; forming a structure with a large outer diameter middle and small two ends of the protective tube, wherein the outer diameters of the two ends of the protective tube are equal to the inner diameter of the left coating tube or the right coating tube; the outer wall of the protective tube is also coated with an adhesive layer; wherein the length of the protective tube is greater than the width of the weld. The utility model ensures the anticorrosion effect of the whole pipeline without repairing the coating at the welding seam, reduces the construction cost of the inner coating pipe, solves the problem of poor corrosion resistance at the welding seam of the inner coating pipe in the past, and ensures the integral corrosion resistance of the inner coating pipe, thereby ensuring the corrosion resistance life of the inner coating pipe.
But the following problems still occur during use:
1. the welded part is not provided with protective measures, so that the welded part is more easily corroded or leaks due to the fact that the welding is not tight;
2. once the welding position leaks, the welding position can generate pressure on external protective measures under the condition that the welding position is not found in time, so that the welding position leaks.
In order to solve the problems, the utility model provides an anti-corrosion structure for a welding line of an inner coating pipe.
Disclosure of Invention
The utility model provides an inner coating pipe welding seam anti-corrosion structure, which solves the defects that in the prior art, no protective measures are arranged at welded parts, the welded parts are more easily corroded or leak due to inexact welding, and once the welding parts leak, the pressure is generated to the external protective measures to cause the leakage under the condition that the welding parts are not found in time.
The utility model provides the following technical scheme:
the utility model provides an anticorrosive structure of inner coating pipe welding seam, includes left coating pipe and right coating pipe, there is the welding seam between left coating pipe and the right coating pipe, the inner wall fixedly connected with of left coating pipe and right coating pipe is the same protective tube, the outer wall of protective tube is provided with a plurality of rubber rings, the outer wall of protective tube is provided with the adhesive layer, the outer wall of left coating pipe and right coating pipe junction is fixed the cover respectively and is equipped with first U type frid and second U type frid, the both ends of first U type frid and second U type frid all are provided with the fixed subassembly that is used for fixed first U type frid and second U type frid;
and the outer wall of the second U-shaped groove plate is fixedly connected with an alarm assembly for alarming.
In one possible design, the fixed subassembly includes four fixed plates at first U type frid and second U type frid both ends of fixed connection respectively, two of mutual contact one side slip of fixed plate runs through two screws that have the symmetry to set up, the other end thread bush of screw is equipped with the nut, the equal fixedly connected with curb plate in both sides of first U type frid and second U type frid.
In one possible design, the alarm assembly comprises an installation box fixedly connected to the outer wall of the second U-shaped groove plate, a sliding block penetrates through the outer wall of the second U-shaped groove plate in a sliding mode, one end of the sliding block is fixedly connected with a first baffle, a second baffle is fixedly sleeved on the outer wall of the sliding block, a tension spring is fixedly connected between one side of the second baffle and the outer wall of the second U-shaped groove plate, and the tension spring is sleeved on the sliding block.
In one possible design, the alarm assembly further comprises a micro switch fixedly connected to the inner wall of one side of the mounting box, one side of the micro switch is fixedly connected with a pin, one end of the pin is fixedly connected with a wire, the wire fixedly penetrates one side of the mounting box and is electrically connected with the alarm, and the micro switch is matched with the sliding block for use.
In one possible design, the inner wall of the side plate is provided with a gasket.
In one possible design, the outer wall of the screw is sleeved with a spacer.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
In the utility model, after the surfaces of a left coating pipe and a right coating pipe are polished, the surface of a protective pipe is smeared with an adhesive layer and is put into the left coating pipe, then a right coating pipe is sleeved at the other end of the protective pipe and abuts against the left Tu Cengguan, and the left coating pipe and the right coating pipe are fixed in a welding mode;
in the utility model, the second U-shaped groove plate and the first U-shaped groove plate are sleeved on the outer wall of the welding seam together, the second U-shaped groove plate and the first U-shaped groove plate are fixed by using the screws and the nuts, meanwhile, the surfaces of the left coating pipe and the right coating pipe are tightly wrapped by the side plates at the two sides through the rubber pads arranged at the bottoms, and the gaskets are arranged at the bottoms of the screws, so that looseness caused by fine vibration in the transmission process can be reduced;
in the utility model, under special conditions, the welding seam is leaked due to welding problems or corrosion, the transmission liquid can rapidly flood the interiors of the first U-shaped groove plate and the second U-shaped groove plate, then the first baffle is pushed, the first baffle drives the sliding block to move outwards, the sliding block drives the second baffle to move and stretch the tension spring, and finally the sliding block is contacted with the switch of the micro switch, so that the micro switch is started and transmits signals to the alarm through pins and wires, the alarm is not shown in the drawing, and the alarm gives an alarm: note that leakage occurs;
according to the utility model, the welding part is protected by the fixing component, so that the external environment is prevented from being corroded faster, the fixing component can also prevent leakage temporarily when the welding part is leaked, and under the cooperation of the alarm component, workers can quickly find leakage problems and take remedial measures to prevent large-scale leakage.
Drawings
FIG. 1 is a schematic three-dimensional structure of an inner coating pipe weld corrosion protection structure according to an embodiment of the present utility model;
FIG. 2 is a schematic three-dimensional structure of a protective tube in an inner coated tube weld corrosion protection structure according to an embodiment of the present utility model;
FIG. 3 is a schematic three-dimensional diagram of an alarm assembly in an inner coated pipe weld corrosion protection structure according to an embodiment of the present utility model;
fig. 4 is a schematic three-dimensional structure of a fixing component in an inner coating pipe welding seam corrosion prevention structure according to an embodiment of the present utility model.
Reference numerals:
1. left Tu Cengguan; 2. welding seams; 3. a right coating tube; 4. an adhesive layer; 5. a rubber ring; 6. a protective tube; 7. a fixing plate; 8. a first U-shaped slot plate; 9. a second U-shaped groove plate; 10. a mounting box; 11. a side plate; 12. a wire; 13. a slide block; 14. a first baffle; 15. a second baffle; 16. a tension spring; 17. a micro-switch; 18. pins; 19. a screw; 20. a gasket; 21. and (3) a nut.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.
Example 1
Referring to fig. 1-2, an inner coating pipe welding seam anti-corrosion structure comprises a left coating pipe 1 and a right coating pipe 3, wherein a welding seam 2 is arranged between the left coating pipe 1 and the right coating pipe 3, the inner walls of the left coating pipe 1 and the right coating pipe 3 are fixedly connected with a same protection pipe 6, a plurality of rubber rings 5 are arranged on the outer wall of the protection pipe 6, an adhesive layer 4 is arranged on the outer wall of the protection pipe 6, a first U-shaped groove plate 8 and a second U-shaped groove plate 9 are fixedly sleeved on the outer wall of the joint of the left coating pipe 1 and the right coating pipe 3 respectively, and fixing components for fixing the first U-shaped groove plate 8 and the second U-shaped groove plate 9 are arranged at two ends of the first U-shaped groove plate 8 and the second U-shaped groove plate 9;
the outer wall fixedly connected with of second U type frid 9 is used for the alarm subassembly of reporting to the police, protects the welding through fixed subassembly, prevents that external environment from accelerating to its corruption to fixed subassembly can also prevent the leakage temporarily when the welding emergence is leaked, and under the cooperation of alarm subassembly, the staff can very fast discover the leakage problem, and carries out remedial measure, prevents to take place on a large scale to leak.
Referring to fig. 1 and 4, the fixed assembly includes four fixed plates 7 at the both ends of first U-shaped frid 8 and second U-shaped frid 9 respectively, and two screws 19 that the symmetry set up are run through in the one side slip of two fixed plates 7 of mutual contact, and the other end thread bush of screw 19 is equipped with nut 21, and the equal fixedly connected with curb plate 11 in both sides of first U-shaped frid 8 and second U-shaped frid 9, and the fixed assembly has not only protected welding seam 2 outside not eroded, can also act as the safety cover when welding seam 2 takes place to leak.
Referring to fig. 3, the alarm assembly includes a mounting box 10 fixedly connected to the outer wall of the second U-shaped channel plate 9, a sliding block 13 is slidably penetrated through the outer wall of the second U-shaped channel plate 9, a first baffle 14 is fixedly connected to one end of the sliding block 13, a second baffle 15 is fixedly sleeved on the outer wall of the sliding block 13, a tension spring 16 is fixedly connected between one side of the second baffle 15 and the outer wall of the second U-shaped channel plate 9, the tension spring 16 is sleeved on the sliding block 13, and internal information can be transmitted out through the sliding block 13 when leakage occurs, so that an alarm is timely given out.
Referring to fig. 3, the alarm assembly further includes a micro switch 17 fixedly connected to an inner wall of one side of the installation box 10, a pin 18 is fixedly connected to one side of the micro switch 17, a wire 12 is fixedly connected to one end of the pin 18, the wire 12 penetrates through one side of the installation box 10 and is electrically connected to the alarm, and the micro switch 17 is matched with the slider 13 for use, so that after the micro switch 17 receives a leakage signal, the leakage signal is transmitted to a control room of a worker through an electrical signal, and measures are taken in time.
Example two
Referring to fig. 1-2, an inner coating pipe welding seam anti-corrosion structure comprises a left coating pipe 1 and a right coating pipe 3, wherein a welding seam 2 is arranged between the left coating pipe 1 and the right coating pipe 3, the inner walls of the left coating pipe 1 and the right coating pipe 3 are fixedly connected with a same protection pipe 6, a plurality of rubber rings 5 are arranged on the outer wall of the protection pipe 6, an adhesive layer 4 is arranged on the outer wall of the protection pipe 6, a first U-shaped groove plate 8 and a second U-shaped groove plate 9 are fixedly sleeved on the outer wall of the joint of the left coating pipe 1 and the right coating pipe 3 respectively, and fixing components for fixing the first U-shaped groove plate 8 and the second U-shaped groove plate 9 are arranged at two ends of the first U-shaped groove plate 8 and the second U-shaped groove plate 9;
the outer wall fixedly connected with of second U type frid 9 is used for the alarm subassembly of reporting to the police, protects the welding through fixed subassembly, prevents that external environment from accelerating to its corruption to fixed subassembly can also prevent the leakage temporarily when the welding emergence is leaked, and under the cooperation of alarm subassembly, the staff can very fast discover the leakage problem, and carries out remedial measure, prevents to take place on a large scale to leak.
Referring to fig. 1 and 4, the fixed assembly includes four fixed plates 7 at the both ends of first U-shaped frid 8 and second U-shaped frid 9 respectively, and two screws 19 that the symmetry set up are run through in the one side slip of two fixed plates 7 of mutual contact, and the other end thread bush of screw 19 is equipped with nut 21, and the equal fixedly connected with curb plate 11 in both sides of first U-shaped frid 8 and second U-shaped frid 9, and the fixed assembly has not only protected welding seam 2 outside not eroded, can also act as the safety cover when welding seam 2 takes place to leak.
Referring to fig. 3, the alarm assembly includes a mounting box 10 fixedly connected to the outer wall of the second U-shaped channel plate 9, a sliding block 13 is slidably penetrated through the outer wall of the second U-shaped channel plate 9, a first baffle 14 is fixedly connected to one end of the sliding block 13, a second baffle 15 is fixedly sleeved on the outer wall of the sliding block 13, a tension spring 16 is fixedly connected between one side of the second baffle 15 and the outer wall of the second U-shaped channel plate 9, the tension spring 16 is sleeved on the sliding block 13, and internal information can be transmitted out through the sliding block 13 when leakage occurs, so that an alarm is timely given out.
Referring to fig. 3, the alarm assembly further includes a micro switch 17 fixedly connected to an inner wall of one side of the installation box 10, a pin 18 is fixedly connected to one side of the micro switch 17, a wire 12 is fixedly connected to one end of the pin 18, the wire 12 penetrates through one side of the installation box 10 and is electrically connected to the alarm, and the micro switch 17 is matched with the slider 13 for use, so that after the micro switch 17 receives a leakage signal, the leakage signal is transmitted to a control room of a worker through an electrical signal, and measures are taken in time.
Referring to fig. 3, the inner wall of the side plate 11 is provided with a gasket to prevent liquid from flowing out from both sides of the fixing assembly when leakage occurs, resulting in waste.
Referring to fig. 4, a spacer 20 is sleeved on the outer wall of the screw 19 to prevent the screw 19 from loosening due to shaking during the transmission process.
However, as well known to those skilled in the art, the working principle and wiring method of the micro switch 17 are common, and they are all conventional means or common knowledge, and will not be described herein in detail, and any choice may be made by those skilled in the art according to their needs or convenience.
The working principle and the using flow of the technical scheme are as follows: after the surfaces of the left coating pipe 1 and the right coating pipe 3 are polished, the adhesive layer 4 smeared on the surface of the protective pipe 6 is put into the left coating pipe 1, then the right coating pipe 3 is sleeved at the other end of the protective pipe 6 and abuts against the left coating pipe 1, and the left coating pipe 1 and the right coating pipe 3 are fixed in a welding mode.
Then, the second U-shaped groove plate 9 and the first U-shaped groove plate 8 are sleeved on the outer wall of the welding seam 2, the second U-shaped groove plate 9 and the first U-shaped groove plate 8 are fixed by using the screws 19 and the nuts 21, meanwhile, the surfaces of the left coating pipe 1 and the right coating pipe 3 are tightly wrapped by the side plates 11 on the two sides through rubber pads arranged on the bottom, and the gaskets 20 are arranged on the bottom of the screws 19, so that looseness caused by fine vibration in the transmission process can be reduced.
In special cases, because the welding problem or corrosion causes leakage at the welding seam 2, the transmission liquid rapidly fills the inside of the first U-shaped groove plate 8 and the second U-shaped groove plate 9, then pushes the first baffle plate 14, the first baffle plate 14 drives the sliding block 13 to move outwards, the sliding block 13 drives the second baffle plate 15 to move and stretch the tension spring 16, and finally the sliding block is in contact with the switch of the micro switch 17, so that the micro switch 17 is started and transmits signals to the alarm through the pin 18 and the lead 12, the alarm is not shown in the diagram, and the alarm gives an alarm: note that leakage occurred-!
The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (6)
1. The utility model provides an anticorrosive structure of inner coating pipe welding seam, includes left Tu Cengguan (1) and right coating pipe (3), there is welding seam (2) left side coating pipe (1) and right coating pipe (3) between, the inner wall fixedly connected with of left side coating pipe (1) and right coating pipe (3) is the same protective tube (6), the outer wall of protective tube (6) is provided with a plurality of rubber rings (5), the outer wall of protective tube (6) is provided with adhesive layer (4), a serial communication port, the outer wall of left side coating pipe (1) and right coating pipe (3) junction is fixed the cover respectively and is equipped with first U type frid (8) and second U type frid (9), the both ends of first U type frid (8) and second U type frid (9) all are provided with the fixed subassembly that is used for fixed first U type frid (8) and second U type frid (9);
the outer wall of the second U-shaped groove plate (9) is fixedly connected with an alarm component for alarming.
2. The inner coating pipe welding seam corrosion prevention structure according to claim 1, wherein the fixing assembly comprises four fixing plates (7) fixedly connected to two ends of the first U-shaped groove plate (8) and the second U-shaped groove plate (9), one sides of the two fixing plates (7) in contact with each other are slidably penetrated by two symmetrically arranged screws (19), nuts (21) are sleeved on the other ends of the screws (19), and side plates (11) are fixedly connected to two sides of the first U-shaped groove plate (8) and the second U-shaped groove plate (9).
3. The inner coating pipe weld joint corrosion prevention structure according to claim 1, wherein the alarm assembly comprises a mounting box (10) fixedly connected to the outer wall of the second U-shaped groove plate (9), a sliding block (13) is slidably penetrated through the outer wall of the second U-shaped groove plate (9), one end of the sliding block (13) is fixedly connected with a first baffle (14), a second baffle (15) is fixedly sleeved on the outer wall of the sliding block (13), a tension spring (16) is fixedly connected between one side of the second baffle (15) and the outer wall of the second U-shaped groove plate (9), and the tension spring (16) is sleeved on the sliding block (13).
4. An inner coated pipe weld joint corrosion prevention structure according to claim 3, wherein the alarm assembly further comprises a micro switch (17) fixedly connected to the inner wall of one side of the mounting box (10), one side of the micro switch (17) is fixedly connected with a pin (18), one end of the pin (18) is fixedly connected with a wire (12), the wire (12) fixedly penetrates one side of the mounting box (10) and is electrically connected with the alarm, and the micro switch (17) is matched with the sliding block (13).
5. An inner coated pipe weld corrosion protection structure according to claim 2, characterized in that the inner wall of the side plate (11) is provided with a gasket.
6. An inner coated pipe weld corrosion protection structure according to claim 2, characterized in that the outer wall of the screw (19) is sleeved with a spacer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023694.1U CN219866929U (en) | 2023-05-04 | 2023-05-04 | Corrosion-resistant structure for welding seam of inner coating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023694.1U CN219866929U (en) | 2023-05-04 | 2023-05-04 | Corrosion-resistant structure for welding seam of inner coating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866929U true CN219866929U (en) | 2023-10-20 |
Family
ID=88342265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321023694.1U Active CN219866929U (en) | 2023-05-04 | 2023-05-04 | Corrosion-resistant structure for welding seam of inner coating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866929U (en) |
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2023
- 2023-05-04 CN CN202321023694.1U patent/CN219866929U/en active Active
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