CN216743871U - Cathode protection detection pile for natural gas pipeline - Google Patents
Cathode protection detection pile for natural gas pipeline Download PDFInfo
- Publication number
- CN216743871U CN216743871U CN202220027743.8U CN202220027743U CN216743871U CN 216743871 U CN216743871 U CN 216743871U CN 202220027743 U CN202220027743 U CN 202220027743U CN 216743871 U CN216743871 U CN 216743871U
- Authority
- CN
- China
- Prior art keywords
- pipe
- fixedly connected
- pile
- upper pile
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 66
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000003345 natural gas Substances 0.000 title claims abstract description 20
- 239000005341 toughened glass Substances 0.000 claims abstract description 28
- 238000004210 cathodic protection Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 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
- 239000000523 sample Substances 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a cathode protection detection pile for a natural gas pipeline, which comprises a detection pile body, wherein the detection pile body comprises an upper pile pipe and a detection box fixed at the top end of the upper pile pipe, a toughened glass cover is arranged above the detection box, a lower pile pipe is slidably sleeved on the outer side of the upper pile pipe, the bottom end of the lower pile pipe is fixedly connected with a fixed seat, the top end of the upper pile pipe is of a blocking structure, a fixed plate is fixedly connected between the inner walls of two sides of the upper pile pipe, the top of the fixed seat is fixedly connected with a storage battery, and the top of the storage battery is fixedly and electrically connected with a first driving motor. The device is convenient for buffering and protecting the toughened glass cover, reduces the risk of impact damage of falling objects, is convenient for quickly adjusting the heights of the upper pile pipe and the detection box according to actual needs, does not need manual adjustment, is time-saving and labor-saving, is convenient for quickly controlling the toughened glass cover to move upwards and open, is convenient for personnel to operate the internal detection box, and meets the use requirements.
Description
Technical Field
The utility model relates to the technical field of detection piles, in particular to a cathode protection detection pile for a natural gas pipeline.
Background
In the prior art, a cathodic protection test pile is an indispensable device in a cathodic protection system, is mainly used for detecting a cathodic protection effect and an operation parameter, is mainly used for detecting a cathodic protection parameter, is an indispensable device in pipeline management and maintenance, is arranged along a line according to a test function, and can be used for testing the potential, the current and the insulating property of a pipeline and also can be used for detecting the leakage of a covering layer and the interference of alternating current and direct current; the testing pile is an accessory device specially used for testing the pipeline by matching a potential testing probe with the cathodic protection of the pipeline, and the cathodic protection testing pile is an indispensable device in a cathodic protection system, so the cathodic protection testing pile is also indispensable in the cathodic protection of the natural gas pipeline.
Through retrieval, the authorized bulletin number CN211853545U discloses a cathode protection detection pile for a natural gas pipeline, which comprises an upper pile tube, wherein the outer wall of one side of the upper pile tube is fixed with a detection box through a bolt, the outer wall of one side of the detection box, which is far away from the upper pile tube, is provided with a router, the outer wall of one side of the detection box, which is far away from the upper pile tube, is provided with a cloud server, and the outer wall of one side of the upper pile tube, which is close to the detection box, is connected with a toughened glass cover through threads; the router and the cloud server are arranged, so that wireless connection among different detection columns is realized, and real-time monitoring and comparison of each data are facilitated; the telescopic rod connector is arranged, so that the upper pile pipe can be conveniently stretched; the stretched length is conveniently determined by the arrangement of the dial; the fixing holes are arranged, so that the whole device is convenient to fix; the start button, the stop button and the reset button are arranged, so that the whole device can be conveniently operated manually; the display screen is arranged, so that the effect of playing the monitoring data in real time is achieved; through the setting of toughened glass cover, played the effect of protecting and watching the display screen.
The above patent still has some defects, and the arrangement of the toughened glass cover can shield and protect the detection box and the display screen; but the detection box has the defects that the toughened glass cover is inconvenient to buffer, protect and quickly open, so that the detection box is inconvenient for personnel to quickly open and operate in the follow-up process; and the defects existing in the above patents are improved aiming at the defects that the lifting adjustment of the upper pile pipe is inconvenient and rapid and the use requirement cannot be met, so that the cathode protection detection pile for the natural gas pipeline is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a cathode protection detection pile for a natural gas pipeline.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a cathodic protection detection pile for a natural gas pipeline comprises a detection pile body, wherein the detection pile body comprises an upper pile pipe and a detection box fixed at the top end of the upper pile pipe, a toughened glass cover is arranged above the detection box, a lower pile pipe is slidably sleeved on the outer side of the upper pile pipe, the bottom end of the lower pile pipe is fixedly connected with a fixed seat, the top end of the upper pile pipe is arranged into a blocking structure, a fixed plate is fixedly connected between the inner walls of the two sides of the upper pile pipe, the top of the fixed seat is fixedly connected with a storage battery, the top of the storage battery is fixedly and electrically connected with a first driving motor, the top end of an output shaft of the first driving motor is fixedly connected with a first screw rod which is rotatably connected with the inner wall of the top end of the upper pile pipe, and the fixed plate is sleeved on the first screw rod in a threaded manner;
go up the top movable contact of stake pipe and have the inner casing, it is intraductal that the detection box is located the inner casing, and the outside slip cover of inner casing is equipped with the outer casing, the top of outer casing and the bottom fixed connection of toughened glass cover, equal fixedly connected with direction buffering subassembly on four side inner walls of outer casing, inner casing slip cover is established on four direction buffering subassemblies, it is connected with screw thread drive assembly to rotate on the top inner wall of last stake pipe, screw thread drive assembly's top extend to the top of stake pipe and with the bottom fixed connection of inner casing, the bottom fixedly connected with of fixed plate and battery electric connection's second driving motor, second driving motor's output shaft and screw thread drive assembly's bottom fixed connection.
Preferably, the direction buffering subassembly includes fixed block, guide bar and buffer spring, and four fixed blocks are fixed respectively on four side inner walls of outer pillar, the top of guide bar and the bottom fixed connection of the fixed block that corresponds, and the inner casing slip cover is established on four guide bars, buffer spring's top and bottom respectively with the bottom of the fixed block that corresponds and the top fixed connection of inner casing, buffer spring movable sleeve is established on the guide bar that corresponds.
Preferably, the screw thread drive assembly includes second screw rod, lifter and two guide posts, the top of second screw rod rotates with the top inner wall of last stake pipe to be connected, the bottom of second screw rod and second driving motor's output shaft top fixed connection, lifter screw thread cover is established on the second screw rod, the top both sides of lifter respectively with the bottom fixed connection of the guide post that corresponds, the top of two guide posts all extend to the top of supreme stake pipe and with the bottom fixed connection of inner casing, the circle perforation has been seted up on the top left side of lifter, first screw rod be located the circle perforation and with the fenestrate inner wall contactless of circle.
Preferably, a display screen is installed on the front side of the detection box in a threaded mode.
Preferably, a reserved through hole is formed in the inner wall of the front side of the lower pile tube, and a baffle matched with the reserved through hole is fixed on the front side of the lower pile tube in a threaded mode.
Preferably, the front side of the first driving motor is fixedly and electrically connected with a first wireless remote control switch, the front side of the second driving motor is fixedly and electrically connected with a second wireless remote control switch, the first wireless remote control switch and the second wireless remote control switch are provided with the same external remote controller in a matching manner, and the top of the fixing plate is provided with a first threaded hole in threaded connection with the first screw rod.
Preferably, the guide way has all been seted up to four sides on the top of inner casing, and the outer side sliding connection of the inner wall of guide way and the guide bar that corresponds, has all seted up spacing hole on two relative guide way one side inner walls that are close to each other, the equal fixedly connected with stopper in one side that two relative guide bars are close to each other, stopper and the spacing hole sliding connection who corresponds.
Preferably, a second threaded hole in threaded connection with the second screw rod is formed in the top of the lifting rod, two guide holes are formed in the inner wall of the top end of the upper pile tube, the inner walls of the guide holes are in sliding connection with the outer sides of the corresponding guide columns, and scale marks are formed in the front side of the upper pile tube.
Compared with the prior art, the utility model has the beneficial effects that:
the device is convenient for buffering and protecting the toughened glass cover, reduces the risk of impact damage of falling objects, is convenient for quickly adjusting the heights of the upper pile pipe and the detection box according to actual needs, does not need manual adjustment, is time-saving and labor-saving, is convenient for quickly controlling the toughened glass cover to move upwards and open, is convenient for personnel to operate the internal detection box, and meets the use requirements.
Drawings
Fig. 1 is a schematic structural view of a cathode protection detection pile for a natural gas pipeline according to the present invention;
FIG. 2 is a schematic cross-sectional view of a cathodic protection detection pile for a natural gas pipeline according to the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 100. a detection cartridge; 101. pile pipe installation; 1. pile pipe setting; 2. a fixing plate; 3. a first screw; 4. a first drive motor; 5. a second screw; 6. a lifting rod; 7. a second drive motor; 8. a guide post; 9. an inner sheath; 10. an outer protecting pipe; 11. a fixed block; 12. a guide bar; 13. a buffer spring; 14. a guide groove; 15. and (5) a toughened glass cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a cathode protection detection pile for a natural gas pipeline comprises a detection pile body, the detection pile body comprises an upper pile tube 101 and a detection box 100 fixed at the top end of the upper pile tube 101, a toughened glass cover 15 is arranged above the detection box 100, a lower pile tube 1 is slidably sleeved outside the upper pile tube 101, a fixed seat is fixedly connected to the bottom end of the lower pile tube 1, the top end of the upper pile tube 101 is designed to be a blocking structure, a fixed plate 2 is fixedly connected between the inner walls of the two sides of the upper pile tube 101, a storage battery is fixedly connected to the top of the fixed seat, a first driving motor 4 is fixedly and electrically connected to the top of the storage battery, a first screw rod 3 is rotatably connected to the inner wall of the top end of the upper pile tube 101, and the fixed plate 2 is sleeved on the first screw rod 3 in a threaded manner;
the top end of the upper pile pipe 101 is movably contacted with an inner protection pipe 9, the detection box 100 is positioned in the inner protection pipe 9, the outer side of the inner protection pipe 9 is slidably sleeved with an outer protection pipe 10, the top of the outer protection pipe 10 is fixedly connected with the bottom of the toughened glass cover 15, the inner walls of four sides of the outer protection pipe 10 are fixedly connected with guide buffer components, the inner protection pipe 9 is slidably sleeved on the four guide buffer components, the inner wall of the top end of the upper pile pipe 101 is rotatably connected with a thread driving component, the top end of the thread driving component extends to the upper side of the upper pile pipe 101 and is fixedly connected with the bottom end of the inner protection pipe 9, the bottom of the fixed plate 2 is fixedly connected with a second driving motor 7 electrically connected with a storage battery, and the output shaft of the second driving motor 7 is fixedly connected with the bottom end of the thread driving component;
the guide buffer assembly comprises fixed blocks 11, guide rods 12 and buffer springs 13, the four fixed blocks 11 are respectively fixed on the inner walls of the four sides of the outer protection pipe 10, the top ends of the guide rods 12 are fixedly connected with the bottoms of the corresponding fixed blocks 11, the inner protection pipes 9 are slidably sleeved on the four guide rods 12, the top ends and the bottom ends of the buffer springs 13 are respectively fixedly connected with the bottoms of the corresponding fixed blocks 11 and the top ends of the inner protection pipes 9, and the buffer springs 13 are movably sleeved on the corresponding guide rods 12;
the thread driving assembly comprises a second screw rod 5, a lifting rod 6 and two guide posts 8, the top end of the second screw rod 5 is rotatably connected with the inner wall of the top end of the upper pile pipe 101, the bottom end of the second screw rod 5 is fixedly connected with the top end of an output shaft of a second driving motor 7, the lifting rod 6 is sleeved on the second screw rod 5 in a threaded manner, two sides of the top of the lifting rod 6 are respectively and fixedly connected with the bottom ends of the corresponding guide posts 8, the top ends of the two guide posts 8 extend above the upper pile pipe 101 and are fixedly connected with the bottom end of the inner protection pipe 9, a round through hole is formed in the left side of the top of the lifting rod 6, the first screw rod 3 is positioned in the round through hole and is not contacted with the inner wall of the round through hole, the utility model is convenient for buffering and protecting the toughened glass cover 15, reduces the risk of impact damage of the toughened glass cover caused by falling objects, is convenient for quickly adjusting the heights of the upper pile pipe 101 and the detection box 100 according to actual needs without manual adjustment, labour saving and time saving, and be convenient for the quick control toughened glass cover 15 moves upward and opens, makes things convenient for personnel to the detection box 100 operation of inside, satisfies the user demand.
In the utility model, a display screen is installed on the front side of a detection box 100 through threads, a reserved through hole is arranged on the front side inner wall of a lower pile tube 1, a baffle matched with the reserved through hole is fixed on the front side threads of the lower pile tube 1, a first wireless remote control switch is fixed and electrically connected on the front side of a first driving motor 4, a second wireless remote control switch is fixed and electrically connected on the front side of a second driving motor 7, the first wireless remote control switch and the second wireless remote control switch are matched and provided with the same external remote controller, a first threaded hole in threaded connection with a first screw rod 3 is arranged at the top of a fixed plate 2, guide grooves 14 are arranged on four sides of the top end of an inner protection tube 9, the inner walls of the guide grooves 14 are in sliding connection with the outer sides of corresponding guide rods 12, limiting holes are arranged on the inner walls of the two opposite guide grooves 14 close to each other, and limiting blocks are fixedly connected on the two opposite guide rods 12 close to each other, the limiting blocks are connected with the corresponding limiting holes in a sliding mode, the top of the lifting rod 6 is provided with a second threaded hole in threaded connection with the second screw rod 5, the inner wall of the top end of the upper pile tube 101 is provided with two guide holes, the inner walls of the guide holes are connected with the outer sides of the corresponding guide posts 8 in a sliding mode, and the front side of the upper pile tube 101 is provided with a scale mark.
The working principle is as follows: when the device is used, the toughened glass cover 15 can shield and protect the detection box 100 and the display screen, when the device is impacted by falling objects, firstly, the toughened glass cover 15 firstly bears impact and moves downwards, the toughened glass cover 15 drives the outer protecting pipe 10 to slide downwards on the inner protecting pipe 9, the outer protecting pipe 10 drives the four fixing blocks 11 to move downwards, the fixing blocks 11 drive the corresponding guide rods 12 to slide downwards in the guide grooves 14, the buffer springs 13 are compressed, and under the elastic force of the buffer springs 13, impact force can be buffered and relieved, so that the effect of buffering and protecting the toughened glass cover 15 is achieved, and the risk of impact damage of the toughened glass cover 15 is reduced;
when the heights of the upper pile tube 101 and the detection box 100 need to be adjusted, a person uses an external remote controller to control a first wireless remote control switch to control the first driving motor 4 to be started in the forward direction, an output shaft of the first driving motor 4 drives a first screw rod 3 to rotate, under the action of a first threaded hole formed in a fixing plate 2, the first screw rod 3 rotates to drive the fixing plate 2 to move upwards, the fixing plate 2 drives the upper pile tube 101 to move upwards, the upper pile tube 101 drives the detection box 100 to move upwards, the heights of the upper pile tube 101 and the detection box 100 change at the moment, after the adjustment is proper, the first driving motor 4 is turned off, and at the moment, under the self-thread locking force of the first screw rod 3 and the first threaded hole, the upper pile tube 101 after the adjustment is fixed, so that the heights of the upper pile tube 101 and the detection box 100 can be quickly adjusted according to actual needs, manual adjustment is not needed, and labor and time saving are saved;
when a person needs to open the toughened glass cover 15 to operate the detection box 100, an external remote controller is utilized to control a second wireless remote control switch to control a second driving motor 7 to be started in the forward direction, the second driving motor 7 drives a second screw rod 5 to rotate, under the action of a second threaded hole formed in a lifting rod 6, the second screw rod 5 can drive the lifting rod 6 to move upwards through rotation, the lifting rod 6 drives an inner protection pipe 9 to move upwards through two guide posts 8, the inner protection pipe 9 drives the toughened glass cover 15 to move upwards through an outer protection pipe 10, when the inner protection pipe 9 moves upwards to the upper portion of the detection box 100, the detection box 100 is exposed to the lower portion of the inner protection pipe 9, the person can operate the detection box 100 at the moment, when shielding protection needs to be carried out again, the second driving motor 7 is started in the reverse direction, the same principle and the forward direction of movement of starting the second driving motor 7 are completely opposite, at the moment, the toughened glass cover 15 and the inner protection pipe 9 are changed to move backwards, and form the enclosure protection to the detection box 100 again for the quick control toughened glass cover 15 of being convenient for moves up and opens, makes things convenient for personnel to the detection box 100 operation of inside.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a cathodic protection detection stake for natural gas line, includes the detection stake body, the detection stake body includes upper pile pipe (101) and fixes detection box (100) on upper pile pipe (101) top, and the top of detection box (100) is equipped with toughened glass cover (15), its characterized in that, the outside slip cover of upper pile pipe (101) is equipped with lower pile pipe (1), and the bottom fixedly connected with fixing base of lower pile pipe (1), the top of upper pile pipe (101) is established to the shutoff structure, fixedly connected with fixed plate (2) between the both sides inner wall of upper pile pipe (101), the top fixedly connected with battery of fixing base, the top of battery is fixed and electrically connected with first driving motor (4), and the output shaft top fixedly connected with of first driving motor (4) rotates with upper pile pipe (101) top inner wall and is connected with first screw rod (3), the fixed plate (2) is sleeved on the first screw (3) in a threaded manner;
the top end of the upper pile pipe (101) is movably contacted with an inner protection pipe (9), the detection box (100) is positioned in the inner protection pipe (9), an outer protection pipe (10) is slidably sleeved outside the inner protection pipe (9), the top of the outer protection pipe (10) is fixedly connected with the bottom of the toughened glass cover (15), the inner walls of the four sides of the outer protecting pipe (10) are fixedly connected with guide buffer components, the inner protecting pipe (9) is sleeved on the four guide buffer components in a sliding way, the inner wall of the top end of the upper pile pipe (101) is rotatably connected with a thread driving component, the top end of the thread driving component extends above the upper pile pipe (101) and is fixedly connected with the bottom end of the inner protecting pipe (9), the bottom of the fixed plate (2) is fixedly connected with a second driving motor (7) electrically connected with the storage battery, and an output shaft of the second driving motor (7) is fixedly connected with the bottom end of the thread driving assembly.
2. The cathodic protection detection pile for a natural gas pipeline according to claim 1, wherein the guide buffer assembly comprises fixed blocks (11), guide rods (12) and buffer springs (13), four fixed blocks (11) are respectively fixed on the inner walls of four sides of the outer protecting pipe (10), the top ends of the guide rods (12) are fixedly connected with the bottoms of the corresponding fixed blocks (11), the inner protecting pipe (9) is slidably sleeved on the four guide rods (12), the top ends and the bottom ends of the buffer springs (13) are respectively fixedly connected with the bottoms of the corresponding fixed blocks (11) and the top ends of the inner protecting pipes (9), and the buffer springs (13) are movably sleeved on the corresponding guide rods (12).
3. The cathode protection detection pile for a natural gas pipeline according to claim 1, the thread driving component comprises a second screw rod (5), a lifting rod (6) and two guide columns (8), the top of second screw rod (5) rotates with the top inner wall of last stake pipe (101) to be connected, the bottom of second screw rod (5) and the output shaft top fixed connection of second driving motor (7), lifter (6) thread bush is established on second screw rod (5), the top both sides of lifter (6) respectively with the bottom fixed connection of guide post (8) that correspond, the top of two guide posts (8) all extend to the top of supreme stake pipe (101) and with the bottom fixed connection of inner casing (9), the circle perforation has been seted up on the top left side of lifter (6), first screw rod (3) are located the circle perforation and do not contact with the fenestrate inner wall of circle.
4. The cathodic protection test pile for a natural gas pipeline according to claim 1, wherein a display screen is threadedly installed on the front side of the test box (100).
5. The cathodic protection detection pile for a natural gas pipeline as defined in claim 1, wherein the inner wall of the front side of the lower pile tube (1) is provided with a reserved through hole, and the front side of the lower pile tube (1) is fixed with a baffle plate matching with the reserved through hole in a threaded manner.
6. The cathodic protection detection pile for a natural gas pipeline as defined in claim 1, wherein the front side of the first driving motor (4) is fixedly and electrically connected with a first wireless remote control switch, the front side of the second driving motor (7) is fixedly and electrically connected with a second wireless remote control switch, the first wireless remote control switch and the second wireless remote control switch are provided with a same external remote controller in a matching manner, and the top of the fixing plate (2) is provided with a first threaded hole in threaded connection with the first screw (3).
7. The cathodic protection detection pile for a natural gas pipeline as defined in claim 2, wherein four sides of the top end of the inner protection pipe (9) are provided with guide grooves (14), inner walls of the guide grooves (14) are slidably connected with outer sides of the corresponding guide rods (12), the inner walls of two opposite guide grooves (14) close to each other are provided with limit holes, the sides of two opposite guide rods (12) close to each other are fixedly connected with limit blocks, and the limit blocks are slidably connected with the corresponding limit holes.
8. The cathodic protection detection pile for a natural gas pipeline as defined in claim 3, wherein the top of the lifting rod (6) is provided with a second threaded hole in threaded connection with the second screw (5), the inner wall of the top end of the upper pile tube (101) is provided with two guide holes, the inner walls of the guide holes are slidably connected with the outer sides of the corresponding guide posts (8), and the front side of the upper pile tube (101) is provided with a scale mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220027743.8U CN216743871U (en) | 2022-01-06 | 2022-01-06 | Cathode protection detection pile for natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220027743.8U CN216743871U (en) | 2022-01-06 | 2022-01-06 | Cathode protection detection pile for natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216743871U true CN216743871U (en) | 2022-06-14 |
Family
ID=81911412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220027743.8U Expired - Fee Related CN216743871U (en) | 2022-01-06 | 2022-01-06 | Cathode protection detection pile for natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216743871U (en) |
-
2022
- 2022-01-06 CN CN202220027743.8U patent/CN216743871U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113375756A (en) | Physical trigger type alarm device for monitoring unit | |
| CN216743871U (en) | Cathode protection detection pile for natural gas pipeline | |
| CN214947947U (en) | Building engineering construction environment detection device | |
| CN218381116U (en) | Environmental monitoring device is used in construction | |
| CN215173938U (en) | Combustible gas alarm controller with wired communication and wireless communication | |
| CN112202086A (en) | Isolated low-voltage switch cabinet | |
| CN212131911U (en) | Measuring tool is used in installation of portable building machine electricity | |
| CN213633790U (en) | Lightning rod monitor calibrator | |
| CN219607982U (en) | Detector | |
| CN220933091U (en) | Electric power measuring instrument | |
| CN216925641U (en) | Monitoring equipment for outdoor environment protection | |
| CN218524155U (en) | Building inclination angle measuring device | |
| CN212133649U (en) | Foundation detection device convenient to level correction | |
| CN220020144U (en) | Intelligent tensioning grouting remote monitoring equipment for high-altitude areas | |
| CN219200550U (en) | Water level real-time monitoring device | |
| CN217879684U (en) | Be used for geological disasters degree of depth detector | |
| CN220300777U (en) | Gas flow correction oxygen lance | |
| CN220233896U (en) | Distribution switch control equipment | |
| CN219842003U (en) | Environment raise dust noise monitoring facilities | |
| CN219245716U (en) | Automatic switching-on/off rain test device for circuit breaker | |
| CN215413849U (en) | Environmental engineering administers monitoring facilities | |
| CN214251054U (en) | Environment monitoring device with dustproof function | |
| CN214369116U (en) | Live working monitoring and commanding equipment | |
| CN212693829U (en) | Mutual inductor withstand voltage testing device | |
| CN215641744U (en) | Portable lightning arrester on-line detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |