CN216718417U - External corrosion rate monitoring probe based on pipeline cathodic protection - Google Patents
External corrosion rate monitoring probe based on pipeline cathodic protection Download PDFInfo
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- CN216718417U CN216718417U CN202220167427.0U CN202220167427U CN216718417U CN 216718417 U CN216718417 U CN 216718417U CN 202220167427 U CN202220167427 U CN 202220167427U CN 216718417 U CN216718417 U CN 216718417U
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- corrosion rate
- pipeline
- rate monitoring
- cathodic protection
- lifting device
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- 239000000523 sample Substances 0.000 title claims abstract description 58
- 238000005260 corrosion Methods 0.000 title claims abstract description 38
- 230000007797 corrosion Effects 0.000 title claims abstract description 38
- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- 238000004210 cathodic protection Methods 0.000 title claims abstract description 31
- 238000004804 winding Methods 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model provides an external corrosion rate monitoring probe based on pipeline cathodic protection. An external corrosion rate monitoring probe based on cathodic protection of a pipeline, comprising: a probe; the moving device is arranged on the rear side of the probe, a screw rod is meshed with the bottom of one side of the moving device in a threaded manner, and a limiting rod is arranged at the top of one side of the moving device; the first lifting device is arranged at one end of the limiting rod, and the other end of the limiting rod is provided with a second lifting device; the telescopic cylinder is arranged at the bottom of the second lifting device. The utility model provides an external corrosion rate monitoring probe based on pipeline cathodic protection, which is characterized in that a first lifting device and a second lifting device are controlled to move up and down through an output shaft of a telescopic cylinder, and a screw rod is controlled to rotate by matching with an output shaft of a servo motor to adjust the left-right movement position of the probe, so that the probe can automatically adjust the detection position, the mechanical operation is more accurate than manual operation, and the detection position is more accurate and standard.
Description
Technical Field
The utility model relates to the field of corrosion rate monitoring, in particular to an external corrosion rate monitoring probe based on pipeline cathode protection.
Background
The cathodic protection test piece is also called a check piece, and is a steel test piece which is made of 1 piece or 1 group (3 pieces or 6 pieces) of steel and has the same material as the pipeline and is embedded along the pipeline according to a certain rule, wherein one group is connected with the pipeline, and the other group is not connected with the pipeline and is used for detecting the corrosion degree and the corrosion rate of the pipeline so as to judge the protection degree of the pipeline,
the cathodic protection test piece is a metal test piece representing the pipeline at a testing position and is used for cathodic protection testing, and the cathodic protection test piece is a steel test piece which is buried at a typical section along the pipeline and has the same material as the protected pipeline in order to quantitatively measure the cathodic protection effect.
Excavation after a certain time, detecting through the corrosion detector, the probe is generally through the wire connection display instrument, place the probe on the surface of test piece during the detection, user's one hand holds the probe and surveys, but need survey many times to test piece surface different positions during the survey, obtains even corrosion rate, but the manual control probe moving distance, can't keep moving distance unanimous at every turn, probably a certain surface test many times appears, the average value of testing has the error.
Therefore, it is necessary to provide an external corrosion rate monitoring probe based on cathodic protection of a pipeline to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an external corrosion rate monitoring probe based on pipeline cathode protection, which solves the problems that different positions on the surface of a test piece need to be detected for multiple times during detection to obtain uniform corrosion rate, but the moving distance of the probe is manually controlled, the moving distance of each time cannot be kept consistent, multiple tests can possibly occur on the surface of a certain position, and the measured average value has errors.
In order to solve the technical problem, the utility model provides an external corrosion rate monitoring probe based on pipeline cathodic protection, which comprises: a probe;
the moving device is arranged on the rear side of the probe, a screw rod is meshed with the bottom of one side of the moving device in a threaded manner, and a limiting rod is arranged at the top of one side of the moving device;
the first lifting device is arranged at one end of the limiting rod, and the other end of the limiting rod is provided with a second lifting device;
and the telescopic cylinder is arranged at the bottom of the second lifting device.
Preferably, the moving device comprises a moving block, a threaded hole is formed in the bottom of one side of the moving block, and a limiting hole is formed in the top of one side of the moving block.
Preferably, the second elevating gear includes the mounting panel, one side of mounting panel is provided with the hole, the centre that sets up downthehole portion is provided with annular spout, the bottom fixed mounting of mounting panel one side has the connecting plate, one side at connecting plate top is provided with the slide opening.
Preferably, the bottom of the second lifting device is provided with a base, the two sides of the base are both provided with lifting grooves, one side of the interior of each lifting groove is fixedly provided with a sliding rod, and the two sides of the bottom of the base are both fixedly provided with supporting blocks.
Preferably, a setting cavity is arranged inside the supporting block, a servo motor is fixedly installed on one side of the first lifting device, a rope is arranged at the top of the probe, and a display instrument is arranged on the other side of the rope.
Preferably, the outer surface of the cord is provided with a winding box, a winding groove is formed in the winding box, and communication holes are formed in two sides of the winding box.
Preferably, the inside centre of rolling up the groove is provided with the dwang, the centre of dwang surface is provided with rotates the wheel, it is provided with the winding groove to rotate the centre of wheel surface, both sides all are provided with the coil spring around the dwang surface.
Compared with the related art, the external corrosion rate monitoring probe based on the pipeline cathodic protection has the following beneficial effects:
the utility model provides an external corrosion rate monitoring probe based on pipeline cathodic protection, which is characterized in that a first lifting device and a second lifting device are controlled to move up and down through an output shaft of a telescopic cylinder, and a screw rod is controlled to rotate by matching with an output shaft of a servo motor to adjust the left-right movement position of the probe, so that the probe can automatically adjust the detection position, the mechanical operation is more accurate than manual operation, and the detection position is more accurate and standard.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of an external corrosion rate monitoring probe based on cathodic protection of a pipeline according to the present invention;
FIG. 2 is a schematic structural view of the second lifting device shown in FIG. 1;
FIG. 3 is a schematic structural diagram of the mobile device shown in FIG. 1;
FIG. 4 is a schematic structural diagram of a second embodiment of an external corrosion rate monitoring probe based on cathodic protection of a pipeline according to the present invention;
fig. 5 is a cross-sectional view of the winding cartridge shown in fig. 4.
Reference numbers in the figures: 1. the device comprises a probe, 2, a moving device, 201, a moving block, 202, a threaded hole, 203, a limiting hole, 3, a screw rod, 4, a limiting rod, 5, a first lifting device, 6, a second lifting device, 61, a mounting plate, 62, a setting hole, 63, an annular sliding groove, 64, a connecting plate, 65, a sliding hole, 7, a servo motor, 8, a base, 9, a supporting block, 10, a setting cavity, 11, a telescopic cylinder, 12, a lifting groove, 13, a sliding rod, 14, a rope, 15, a display, 16, a winding box, 17, a winding groove, 18, a rotating rod, 19, a rotating wheel, 20, a winding groove, 21, a coil spring, 22 and a communication hole.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a first embodiment of an external corrosion rate monitoring probe based on cathodic protection of a pipeline according to the present invention; FIG. 2 is a schematic structural view of the second lifting device shown in FIG. 1; fig. 3 is a schematic structural diagram of the mobile device shown in fig. 1. An external corrosion rate monitoring probe based on cathodic protection of a pipeline, comprising: a probe 1;
the moving device 2 is arranged on the rear side of the probe 1, a screw rod 3 is meshed with the bottom of one side of the moving device 2 in a threaded manner, and a limiting rod 4 is arranged at the top of one side of the moving device 2;
the first lifting device 5 is arranged at one end of the limiting rod 4, and the other end of the limiting rod 4 is provided with a second lifting device 6;
and the telescopic cylinder 11 is arranged at the bottom of the second lifting device 6.
The first lifting device 5 and the second lifting device 6 are respectively arranged at the left side and the right side of the base 8.
The mobile device 2 comprises a moving block 201, a threaded hole 202 is formed in the bottom of one side of the moving block 201, and a limiting hole 203 is formed in the top of one side of the moving block 201.
The threaded hole 202 is formed in the bottom of the left side of the moving block 201 and is in threaded engagement with the lead screw 3, the limiting hole 203 is formed in the top of the left side of the moving block 201, and the limiting hole 203 is sleeved on the outer surface of the limiting rod 4 to limit the moving block 201 to rotate.
Second elevating gear 6 includes mounting panel 61, one side of mounting panel 61 is provided with setting hole 62, the inside centre in setting hole 62 is provided with annular spout 63, the bottom fixed mounting of mounting panel 61 one side has connecting plate 64, one side at connecting plate 64 top is provided with slide opening 65.
The left side of the mounting plate 61 of the second lifting device 6 is provided with a setting hole 62, an annular sliding groove 63 is arranged in the middle of the inside of the setting hole 62, and the left end and the right end of the screw rod 3 are limited, so that the screw rod 3 can rotate without affecting the mounting plate 61.
The sliding hole 65 is arranged at the bottom of the connecting plate 64, and is sleeved on the outer surface of the sliding rod 13 through the sliding hole 65.
The bottom of the second lifting device 6 is provided with a base 8, two sides of the base 8 are provided with lifting grooves 12, one side inside the lifting grooves 12 is fixedly provided with a sliding rod 13, and two sides of the bottom of the base 8 are fixedly provided with supporting blocks 9.
The two lifting grooves 12 are respectively arranged at the left side and the right side of the base 8.
A setting cavity 10 is arranged inside the supporting block 9, a servo motor 7 is fixedly mounted on one side of the first lifting device 5, a rope 14 is arranged at the top of the probe 1, and a display instrument 15 is arranged on the other side of the rope 14.
The telescopic cylinder 11 is arranged inside the setting cavity 10, and the top of the telescopic cylinder 11 is connected with the connecting plate 64.
The working principle of the external corrosion rate monitoring probe based on the pipeline cathode protection is as follows:
during operation, a detection piece is placed at the top of the base 8, the output shafts of the telescopic cylinders 11 are controlled to move downwards through an external power supply, the output shafts of the two telescopic cylinders 11 drive the first lifting device 5 and the second lifting device 6 to move downwards along the sliding rod 13 respectively, and therefore the probe 1 moves downwards to the top of the detection piece.
After one part is detected, the output shaft of the servo motor 7 is controlled to rotate through an external power supply, the output shaft of the servo motor 7 rotates to drive the lead screw 3 to rotate, the lead screw 3 rotates and is in threaded engagement with the threaded hole 202 of the moving block 201, and under the limitation of the limiting rod 4, the moving block 201 can only move left and right on the outer surface of the lead screw 3 to change the detection position.
Compared with the related art, the external corrosion rate monitoring probe based on the pipeline cathodic protection has the following beneficial effects:
the utility model provides an external corrosion rate monitoring probe based on pipeline cathodic protection, which is characterized in that an output shaft of a telescopic cylinder 11 controls a first lifting device 5 and a second lifting device 6 to move up and down, and an output shaft of a servo motor 7 is matched to control a screw rod 3 to rotate to adjust the left-right movement position of a probe 1, so that the probe 1 can automatically adjust the detection position, the mechanical operation is more accurate than manual operation, and the detection position is more accurate and standard.
Second embodiment
Referring to fig. 4 and 5 in combination, a second embodiment of the present application provides another external corrosion rate monitoring probe based on cathodic protection of a pipeline based on an external corrosion rate monitoring probe based on cathodic protection of a pipeline provided by a first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the second embodiment of the present application provides an external corrosion rate monitoring probe based on cathodic protection of a pipeline, which is different in that, in the external corrosion rate monitoring probe based on cathodic protection of a pipeline, a winding box 16 is disposed on an outer surface of the cord 14, a winding groove 17 is disposed inside the winding box 16, and communication holes 22 are disposed on both sides of the winding box 16.
The communicating holes 22 are provided on both the left and right sides of the winding box 16 to communicate with the winding grooves 17.
The inside centre of coiling groove 17 is provided with dwang 18, the centre of dwang 18 surface is provided with rotates wheel 19, the centre of rotating wheel 19 surface is provided with winding groove 20, both sides all are provided with coil spring 21 around the dwang 18 surface.
Two coil springs 21 are respectively arranged on the front side and the rear side of the outer surface of the rotating rod 18, when the rotating rod 18 rotates to drive the coil springs 21 to tighten, and when the wire rope 14 is not pulled by an external force, the coil springs 21 restore the elastic force to drive the rotating rod 18 to reversely rotate, so that the rotating wheel 19 reversely rotates, and the wire rope 14 is wound in the winding groove 20 again.
The working principle of the external corrosion rate monitoring probe based on the pipeline cathode protection is as follows:
in operation, one end of the wire rope 14 is firstly elongated by moving the probe 1, the wire rope 14 is pulled out from the winding groove 20 and drives the rotating wheel 19 to rotate, the rotating wheel 19 rotates to drive the rotating rod 18 to rotate, and the rotating rod 18 rotates to drive the coil spring 21 to rotate.
When the probe 1 moves reversely to the original position, the pulled-out wire rope 14 is not pulled by tension, the restoring elasticity of the coil spring 21 is restored to drive the rotating rod 18 to rotate reversely, so that the rotating wheel 19 rotates reversely, and the pulled-out wire rope 14 is continuously wound on the outer surface of the winding groove 20.
Compared with the related art, the external corrosion rate monitoring probe based on the pipeline cathode protection has the following beneficial effects:
the utility model provides an external corrosion rate monitoring probe based on pipeline cathode protection, which is characterized in that a pulled-out wire rope 14 can be restored again through a coil spring 21, so that the pulled-out wire rope 14 can be automatically retracted to the surface of a winding groove 20 without being affected by external force, and manual winding and management are not needed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. An external corrosion rate monitoring probe based on cathodic protection of a pipeline, comprising: a probe;
the moving device is arranged on the rear side of the probe, a screw rod is meshed with the bottom of one side of the moving device in a threaded manner, and a limiting rod is arranged at the top of one side of the moving device;
the first lifting device is arranged at one end of the limiting rod, and the other end of the limiting rod is provided with a second lifting device;
and the telescopic cylinder is arranged at the bottom of the second lifting device.
2. The external corrosion rate monitoring probe based on the cathodic protection of the pipeline as recited in claim 1, wherein the moving device comprises a moving block, a threaded hole is provided at the bottom of one side of the moving block, and a limit hole is provided at the top of one side of the moving block.
3. The external corrosion rate monitoring probe based on the pipeline cathodic protection as claimed in claim 1, wherein the second lifting device comprises a mounting plate, one side of the mounting plate is provided with a setting hole, the middle inside the setting hole is provided with an annular chute, the bottom of one side of the mounting plate is fixedly provided with a connecting plate, and one side of the top of the connecting plate is provided with a sliding hole.
4. The external corrosion rate monitoring probe based on the cathodic protection of the pipeline as claimed in claim 1, wherein the bottom of the second lifting device is provided with a base, the two sides of the base are provided with lifting grooves, one side of the inside of the lifting groove is fixedly provided with a sliding rod, and the two sides of the bottom of the base are fixedly provided with supporting blocks.
5. The external corrosion rate monitoring probe based on the pipeline cathodic protection as claimed in claim 4, characterized in that a setting cavity is arranged inside said supporting block, a servo motor is fixedly installed on one side of said first lifting device, a cord is arranged on the top of said probe, and a display is arranged on the other side of said cord.
6. The external corrosion rate monitoring probe based on the cathodic protection of the pipeline is characterized in that the outer surface of the wire rope is provided with a winding box, the interior of the winding box is provided with a winding groove, and both sides of the winding box are provided with communication holes.
7. The external corrosion rate monitoring probe based on the pipeline cathodic protection as claimed in claim 6, wherein a rotating rod is arranged in the middle of the inside of the winding groove, a rotating wheel is arranged in the middle of the outer surface of the rotating rod, a winding groove is arranged in the middle of the outer surface of the rotating wheel, and the front side and the rear side of the outer surface of the rotating rod are both provided with coil springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220167427.0U CN216718417U (en) | 2022-01-21 | 2022-01-21 | External corrosion rate monitoring probe based on pipeline cathodic protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220167427.0U CN216718417U (en) | 2022-01-21 | 2022-01-21 | External corrosion rate monitoring probe based on pipeline cathodic protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718417U true CN216718417U (en) | 2022-06-10 |
Family
ID=81874339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220167427.0U Expired - Fee Related CN216718417U (en) | 2022-01-21 | 2022-01-21 | External corrosion rate monitoring probe based on pipeline cathodic protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216718417U (en) |
-
2022
- 2022-01-21 CN CN202220167427.0U patent/CN216718417U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220610 |