CN216344659U - Leakage point detection and repair device for pressurized oil-gas long-distance pipeline - Google Patents
Leakage point detection and repair device for pressurized oil-gas long-distance pipeline Download PDFInfo
- Publication number
- CN216344659U CN216344659U CN202122540584.XU CN202122540584U CN216344659U CN 216344659 U CN216344659 U CN 216344659U CN 202122540584 U CN202122540584 U CN 202122540584U CN 216344659 U CN216344659 U CN 216344659U
- Authority
- CN
- China
- Prior art keywords
- rod
- detection
- sliding
- fixed
- ring
- 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 107
- 238000013016 damping Methods 0.000 claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 4
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 239000007789 gas Substances 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model belongs to the technical field of pipeline leakage point detection and repair equipment, in particular to the field of leakage point detection and repair devices for pressurized oil and gas long-distance pipelines, which comprises a pipeline body and an operating panel, wherein the right end of the operating panel is provided with an operating rod, the right end of the operating rod is provided with a push rod, the tail end of the push rod is fixedly provided with a connecting block, the inner side of the push rod is provided with a reinforcing ring, the right end of the connecting block is provided with a detection inner ring, the outer ring of the detection inner ring is provided with a fixed rod, the inner side of the fixed rod is provided with a sliding rod, the outer ring of the sliding rod is provided with a detection frame, when the movable rod is pressed by a corresponding roller fixed block, the movable rod is pressed to slide towards the inner side of a corresponding detection sleeve rod, and generates pressure on a damping spring in the sliding process, when the damping spring is pressed to a certain degree, the corresponding limiting block A is pushed to move, thereby realizing the sliding of the corresponding sliding rod towards the inner side of the fixed rod.
Description
Technical Field
The utility model belongs to the technical field of pipeline leakage point detection and repair equipment, and particularly relates to a leakage point detection and repair device for a long-distance pressurized oil and gas pipeline.
Background
The oil and gas pipeline is a conveying pipeline composed of oil pipes and accessories thereof, and is provided with corresponding oil pump units according to the requirements of the process flow, and is designed and installed into a complete pipeline system for completing the tasks of oil receiving, unloading and conveying and transferring and used for conveying oil, natural gas and the like.
In order to ensure the safety of the oil and gas pipeline, the operator needs to detect and repair the leakage point of the oil and gas pipeline so as to facilitate the timely maintenance and replacement.
SUMMERY OF THE UTILITY MODEL
The current long defeated pipeline leak source detection patching device of oil gas is pressed in being used for area is inconvenient to carry out the leak source to the pipeline of multiple diameter and detects for detect the patching device when using certain limitation occasionally. The utility model provides a device for detecting and repairing leakage points of oil and gas long-distance pipelines under pressure, which has the characteristics that when a movable rod is pressed by a corresponding roller fixed block, the movable rod is stressed to slide towards the inner side of a corresponding detection sleeve rod, a damping spring generates pressure in the sliding process, when the damping spring is stressed to a certain degree, a corresponding limiting block A is pushed to move, so that the corresponding sliding rod is driven to slide towards the inner side of a fixed rod, when the sliding rod is stressed by external pressure, the sliding rod slides towards a corresponding sliding inner groove, and the pressure is generated on a return spring in the sliding process, the sliding rod drives the limiting block A to move in the sliding process, so that the rollers are driven to move, and the device for detecting and repairing the oil and gas long-distance pipelines under pressure with various sizes is realized.
The utility model provides the following technical scheme: the pressurized oil gas long-distance pipeline leakage point detection and repair device comprises a pipeline body and an operating panel, wherein an operating rod is arranged at the right end of the operating panel, a push rod is arranged at the right end of the operating rod, a connecting block is fixedly arranged at the tail end of the push rod, a reinforcing ring is arranged on the inner side of the push rod, a detection inner ring is arranged at the right end of the connecting block, a fixed rod is arranged on the outer ring of the detection inner ring, a sliding rod is arranged on the inner side of the fixed rod, a detection frame is arranged on the outer ring of the sliding rod, a detection sleeve rod is arranged on the outer ring of the detection frame, a movable rod is arranged on the inner side of the detection sleeve rod, a roller fixed block is arranged at the tail end of the movable rod, a movable inner groove is arranged on the inner side of the roller fixed block, a roller is arranged on the inner side of the movable inner groove, a stopper A is arranged on the inner side of the detection sleeve rod, and a stopper B is arranged on the inner side of the detection sleeve rod, the end of the limiting block A is provided with a damping spring, the inner side of the fixing rod is provided with a sliding inner groove, the inner side of the sliding inner groove is provided with a return spring, and the right end of the detection inner ring is provided with a detector.
The front cross section of the operating panel is circular, the operating rod is of a cylindrical solid structure, and the tail end of the operating rod penetrates through the inner cavity of the push rod and is fixedly welded and connected with the bottom wall body of the push rod; when the leak source detection and repair are needed to be carried out on the pipeline body, the detection and repair device is placed on the inner side of the pipeline body, then the operating disc is held to push the operating rod to move towards the deep part of the pipeline body, and then the detector is driven to carry out leak source detection on the pipeline body.
The push rod is arranged in a cylindrical structure, a hollow cavity is arranged on the inner side of the push rod, the push rod is fixedly welded with a connecting block, the connecting block is arranged in a cylindrical solid structure, the number of the reinforcing rings is two, the inner rings of the two reinforcing rings are fixedly welded with the outer ring of the operating rod, and the outer rings of the two reinforcing rings are fixedly welded with the wall body on the inner side of the push rod; through the setting of connecting block for the fixed connection of reinforcing ring and detection inner ring, through the setting of reinforcing ring, be used for strengthening the fixed connection intensity of action bars and pushing ram, and then improve the security that detects the use of patching device.
The detection frame is arranged in a circular structure, the circle center of the detection frame is overlapped with the circle center of the detection inner ring, the thickness of the detection frame is the same as that of the detection inner ring, the detection loop bars are arranged in a cylindrical structure, the number of the detection loop bars is four, and the number of the detection loop bars is the same as that of the movable bars; the detection frame is used for fixing and supporting the detection loop bar, and the detection loop bar is used for protecting the movable bar.
The movable rod is arranged in a cylindrical structure, the movable rod is fixedly welded with the roller fixing blocks, the number of the roller fixing blocks is four, the size of the movable inner groove is matched with that of the rollers, and the number of the rollers is the same as that of the roller fixing blocks; through the setting of gyro wheel fixed block for fixed and the support to the gyro wheel, through the setting of gyro wheel, be used for contacting the laminating with the inboard wall body of pipeline body, then drive the removal that detects the patching device at pipeline body inboard through the removal of gyro wheel.
The detection sleeve rod comprises a detection sleeve rod, a limiting block A, a limiting block B, a sliding rod, a damping spring, a limiting block A, a limiting block B and a movable rod, wherein the limiting block A and the limiting block B are arranged in a cylindrical structure, can slide on the inner side of the detection sleeve rod, the front end of the limiting block A is fixedly welded with the tail end of the sliding rod, the tail end of the limiting block A is fixedly welded with the front end of the damping spring, the tail end of the damping spring is fixedly welded with the front end of the limiting block B, and the tail end of the limiting block B is fixedly welded with the front end of the movable rod; when the movable rod is pressed by the corresponding roller fixing block, the movable rod is stressed to slide towards the inner side of the corresponding detection sleeve rod, pressure is generated on the damping spring in the sliding process, and after the damping spring is stressed to a certain degree, the corresponding limiting block A is pushed to move, so that the corresponding sliding rod is driven to slide towards the inner side of the fixing rod.
The inner sliding groove is a hollow groove body with a cylindrical structure, the size of the inner sliding groove is matched with that of sliding rods, the sliding rods are arranged in the cylindrical structure, four sliding rods are arranged, the sliding rods penetrate through the wall body of the detection frame and extend into the inner sides of fixing rods, the number of the fixing rods is the same as that of the sliding rods, the bottom end of a return spring is fixedly welded with the bottom end of the inner sliding groove, and the top end of the return spring is fixedly welded with the bottom end of the sliding rod; when the sliding rod is pressed by the outside, the sliding rod slides to the corresponding sliding inner groove, pressure is generated on the reset spring in the sliding process, the sliding rod drives the limiting block A to move in the sliding process, and then the roller is driven to move, so that the detection and repair device is suitable for oil and gas long-distance pipelines with various sizes and with pressure.
The detector comprises a detection collector main body, a high-frequency generator, an ultrasonic probe and a data collector; the leak source detection device is used for detecting leak sources of the pipeline body through the arrangement of the detector, and when the leak sources are detected, the leak source position is repaired at once.
The utility model has the beneficial effects that: the fixing device is used for fixing and supporting the roller through the arrangement of the roller fixing block and is used for contacting and jointing with the wall body on the inner side of the pipeline body, then the movement of the roller drives the detection and repair device to move on the inner side of the pipeline body, when the movable rod is pressed by the corresponding roller fixing block, the movable rod is pressed to slide towards the inner side of the corresponding detection loop bar, and generates pressure to the damping spring in the sliding process, when the damping spring is pressed to a certain degree, the corresponding limiting block A is pushed to move, and then the sliding of the corresponding sliding rod towards the inner side of the fixed rod is driven, when the sliding rod is pressed by the outside, the sliding rod slides to the corresponding sliding inner groove, pressure is generated on the reset spring in the sliding process, the sliding rod drives the limiting block A to move in the sliding process, and then the roller is driven to move, so that the detection and repair device is suitable for oil and gas long-distance pipelines with various sizes and with pressure.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic diagram of a front view of the present invention;
FIG. 3 is a front sectional view of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
FIG. 6 is a schematic view of the structure of the propulsion shaft of the present invention;
FIG. 7 is a schematic cross-sectional view of a push rod of the present invention;
FIG. 8 is a front sectional view of the fixing rod of the present invention;
in the figure: 1. a pipe body; 2. an operation panel; 3. an operating lever; 4. a push rod; 5. connecting blocks; 6. a reinforcing ring; 7. a detection frame; 8. detecting the loop bar; 9. a movable rod; 10. a roller fixing block; 11. a movable inner groove; 12. a roller; 13. detecting an inner ring; 14. fixing the rod; 15. a slide bar; 16. a limiting block A; 17. a limiting block B; 18. a damping spring; 19. a sliding inner groove; 20. a return spring; 21. a detector.
Detailed Description
Referring to fig. 1-8, the present invention provides the following technical solutions: the pressurized oil and gas long-distance pipeline leak point detection and repair device comprises a pipeline body 1 and an operating panel 2, wherein an operating rod 3 is arranged at the right end of the operating panel 2, a push rod 4 is arranged at the right end of the operating rod 3, a connecting block 5 is fixedly arranged at the tail end of the push rod 4, a reinforcing ring 6 is arranged at the inner side of the push rod 4, a detection inner ring 13 is arranged at the right end of the connecting block 5, a fixed rod 14 is arranged on the outer ring of the detection inner ring 13, a sliding rod 15 is arranged at the inner side of the fixed rod 14, a detection frame 7 is arranged on the outer ring of the sliding rod 15, a detection sleeve rod 8 is arranged on the outer ring of the detection frame 7, a movable rod 9 is arranged at the inner side of the detection sleeve rod 8, a roller fixed block 10 is arranged at the tail end of the movable rod 9, a movable inner groove 11 is arranged at the inner side of the roller fixed block 10, a roller 12 is arranged at the inner side of the movable inner groove 11, the inside of detecting loop bar 8 is provided with stopper A16, the inside of detecting loop bar 8 is provided with stopper B17, the end of stopper A16 is provided with damping spring 18, the inboard of dead lever 14 is provided with slip inside groove 19, the inboard of slip inside groove 19 is provided with reset spring 20, the right-hand member that detects inner ring 13 is provided with detector 21.
In this embodiment: the front cross section of the operating panel 2 is circular, the operating rod 3 is of a cylindrical solid structure, and the tail end of the operating rod 3 penetrates through the inner cavity of the push rod 4 and is fixedly welded and connected with the bottom wall body of the push rod 4; when the leak source detection and repair are needed to be carried out on the pipeline body 1, the detection and repair device is placed on the inner side of the pipeline body 1, then the operating panel 2 is held to push the operating rod 3 to move towards the deep part of the pipeline body 1, and then the detector 21 is driven to carry out leak source detection on the pipeline body 1.
The push rod 4 is arranged in a cylindrical structure, a hollow cavity is arranged on the inner side of the push rod 4, the push rod 4 is fixedly welded with a connecting block 5, the connecting block 5 is arranged in a cylindrical solid structure, two reinforcing rings 6 are arranged, the inner rings of the two reinforcing rings 6 are fixedly welded with the outer ring of the operating rod 3, and the outer rings of the two reinforcing rings 6 are fixedly welded with the wall body on the inner side of the push rod 4; through the setting of connecting block 5 for reinforcing ring 6 and the fixed connection who detects inner ring 13, through the setting of reinforcing ring 6, be used for strengthening the fixed connection intensity of action bars 3 and impulse lever 4, and then improve the security that detects the patching device and use.
The detection frame 7 is arranged in a circular ring structure, the circle center of the detection frame 7 is overlapped with the circle center of the detection inner ring 13, the thickness of the detection frame 7 is the same as that of the detection inner ring 13, the detection loop bars 8 are arranged in a cylindrical structure, the number of the detection loop bars 8 is four, and the number of the detection loop bars 8 is the same as that of the movable bars 9; the detection frame 7 is used for fixing and supporting the detection loop bar 8, and the detection loop bar 8 is used for protecting the movable bar 9.
The movable rod 9 is arranged in a cylindrical structure, the movable rod 9 is fixedly welded with the roller fixing blocks 10, the number of the roller fixing blocks 10 is four, the size of the movable inner groove 11 is matched with that of the rollers 12, and the number of the rollers 12 is the same as that of the roller fixing blocks 10; the roller fixing block 10 is used for fixing and supporting the roller 12, the roller 12 is used for contacting and fitting with the wall body on the inner side of the pipeline body 1, and then the movement of the detection and repair device on the inner side of the pipeline body 1 is driven by the movement of the roller 12.
The limiting block A16 and the limiting block B17 are both cylindrical structures, the limiting block A16 and the limiting block B17 can slide on the inner side of the detection loop bar 8, the front end of the limiting block A16 is fixedly welded with the tail end of the sliding rod 15, the tail end of the limiting block A16 is fixedly welded with the front end of the damping spring 18, the tail end of the damping spring 18 is fixedly welded with the front end of the limiting block B17, and the tail end of the limiting block B17 is fixedly welded with the front end of the movable rod 9; when the movable rod 9 is pressed by the corresponding roller fixing block 10, the movable rod 9 is pressed to slide towards the inner side of the corresponding detection sleeve rod 8, pressure is generated on the damping spring 18 in the sliding process, and when the damping spring 18 is pressed to a certain degree, the corresponding limiting block A16 is pushed to move, so that the corresponding sliding rod 15 is driven to slide towards the inner side of the fixing rod 14.
The inner sliding groove 19 is a hollow groove body with a cylindrical structure, the size of the inner sliding groove 19 is matched with that of the sliding rod 15, the sliding rod 15 is arranged in a cylindrical structure, four sliding rods 15 are arranged, the sliding rod 15 penetrates through the wall body of the detection frame 7 and extends into the inner side of the fixed rod 14, the number of the fixed rods 14 is the same as that of the sliding rods 15, the bottom end of the reset spring 20 is fixedly welded and connected with the bottom end of the inner sliding groove 19, and the top end of the reset spring 20 is fixedly welded and connected with the bottom end of the sliding rod 15; when the sliding rod 15 is pressed by the outside, the sliding rod slides to the corresponding sliding inner groove 19, and generates pressure on the return spring 20 in the sliding process, and the sliding rod 15 drives the limiting block A16 to move in the sliding process, so that the roller 12 is driven to move, and the detection and repair device is suitable for oil and gas long-distance pipelines with pressure of various sizes.
The detector 21 comprises a detection collector main body, a high-frequency generator, an ultrasonic probe and a data collector; the detector 21 is used for detecting the leakage point of the pipeline body 1, and when the leakage point is detected, the position of the leakage point is repaired immediately.
The working principle and the using process of the utility model are as follows: when the leak point detection and repair of the pipeline body 1 is needed, the detection and repair device is firstly placed on the inner side of the pipeline body 1, when the movable rod 9 is pressed by the corresponding roller fixing block 10, the movable rod 9 is forced to slide towards the inner side of the corresponding detection sleeve rod 8, pressure is generated on the damping spring 18 in the sliding process, when the damping spring 18 is forced to a certain degree, the corresponding limit block A16 is pushed to move, so that the sliding of the corresponding sliding rod 15 towards the inner side of the fixed rod 14 is further driven, when the sliding rod 15 is pressed by the outside, the sliding rod 15 slides towards the corresponding sliding inner groove 19, pressure is generated on the return spring 20 in the sliding process, the sliding rod 15 drives the limit block A16 to move in the sliding process, so that the detection and repair device is suitable for oil and gas long-distance pipelines with pressure of various sizes, through the arrangement of the roller fixing block 10, the roller fixing block is used for fixing and supporting the roller 12, through the arrangement of the roller 12, the roller is used for contacting and attaching with the wall body on the inner side of the pipeline body 1, then the movement of the detection and repair device on the inner side of the pipeline body 1 is driven through the movement of the roller 12, then the operating panel 2 is held to push the operating rod 3 to move towards the deep part of the pipeline body 1, and further the detector 21 is driven to perform leak point detection on the pipeline body 1, through the arrangement of the detector 21, the leak point position is repaired immediately, through the arrangement of the connecting block 5, the fixed connection between the reinforcing ring 6 and the detection inner ring 13 is used for enhancing the fixed connection strength between the operating rod 3 and the push rod 4 through the arrangement of the reinforcing ring 6, and further the use safety of the detection and repair device is improved, through the arrangement of the detection frame 7, the fixing device is used for fixing and supporting the detection loop bar 8 and protecting the movable rod 9 through the arrangement of the detection loop bar 8.
Claims (8)
1. The pressure oil gas long-distance pipeline leak source detection and repair device is characterized in that: comprises a pipeline body and an operating panel, wherein an operating rod is arranged at the right end of the operating panel, a pushing rod is arranged at the right end of the operating rod, a connecting block is fixedly arranged at the tail end of the pushing rod, a reinforcing ring is arranged at the inner side of the pushing rod, a detection inner ring is arranged at the right end of the connecting block, a fixed rod is arranged at the outer ring of the detection inner ring, a sliding rod is arranged at the inner side of the fixed rod, a detection frame is arranged at the outer ring of the sliding rod, a detection sleeve rod is arranged at the outer ring of the detection frame, a movable rod is arranged at the inner side of the detection sleeve rod, a roller fixed block is arranged at the tail end of the movable rod, a movable inner groove is arranged at the inner side of the roller fixed block, a roller is arranged at the inner side of the movable inner groove, a limit block A is arranged at the inner side of the detection sleeve rod, a limit block B is arranged at the inner side of the detection sleeve rod, and a damping spring is arranged at the tail end of the limit block A, the inner side of the fixed rod is provided with a sliding inner groove, the inner side of the sliding inner groove is provided with a return spring, and the right end of the detection inner ring is provided with a detector.
2. The device for detecting and repairing the leakage point of the long-distance oil and gas pipeline under pressure according to claim 1, is characterized in that: the forward-looking cross section of operation panel is circular, the action bars is cylindrical solid construction setting, the end of action bars runs through the inner chamber of pushing ram and with the fixed welded connection of the bottom wall body of pushing ram.
3. The device for detecting and repairing the leakage point of the long-distance oil and gas pipeline under pressure according to claim 1, is characterized in that: the utility model discloses a fixed welding of operating lever, including push rod, reinforcing ring, operating lever, push rod, reinforcing ring, the push rod is cylindrical structure setting, the inboard of push rod is provided with hollow cavity, push rod and connecting block fixed welding are connected, the connecting block is cylindrical solid structure setting, the reinforcing ring is provided with two altogether, two the inner circle of reinforcing ring all with the outer lane fixed welding of operating lever, two the outer lane of reinforcing ring all with the inboard wall body fixed welding of push rod.
4. The device for detecting and repairing the leakage point of the long-distance oil and gas pipeline under pressure according to claim 1, is characterized in that: the utility model discloses a detection frame, including detection frame, detection loop bar, movable rod, detection frame, detection loop bar, detection inner ring, detection frame is the setting of circle annular structure, the centre of a circle of detection frame coincides with the centre of a circle that detects the inner ring, the thickness that detects the frame is the same with the thickness that detects the inner ring, it sets up for cylindrical structure to detect the loop bar, the quantity that detects the loop bar is four, the quantity that detects the loop bar is the same with the quantity of movable rod.
5. The device for detecting and repairing the leakage point of the long-distance oil and gas pipeline under pressure according to claim 1, is characterized in that: the movable rod is arranged in a cylindrical structure and fixedly welded with the roller fixing blocks, the number of the roller fixing blocks is four, the size of the movable inner groove is matched with that of the rollers, and the number of the rollers is the same as that of the roller fixing blocks.
6. The device for detecting and repairing the leakage point of the long-distance oil and gas pipeline under pressure according to claim 1, is characterized in that: stopper A and stopper B are the cylindrical structure setting, stopper A and stopper B all can slide in the inboard that detects the loop bar, stopper A's front end and the terminal fixed welded connection of slide bar, stopper A's end and damping spring's front end fixed welded connection, damping spring's end and stopper B's front end fixed welded connection, stopper B's end and the front end fixed welded connection of movable rod.
7. The device for detecting and repairing the leakage point of the long-distance oil and gas pipeline under pressure according to claim 1, is characterized in that: the inner sliding groove is a hollow groove body with a cylindrical structure, the size of the inner sliding groove is matched with that of a sliding rod, the sliding rod is arranged with the cylindrical structure, the number of the sliding rods is four, the sliding rod penetrates through the wall body of the detection frame and extends into the inner side of a fixing rod, the number of the fixing rods is the same as that of the sliding rods, the bottom end of a reset spring is fixedly welded and connected with the bottom end of the inner sliding groove, and the top end of the reset spring is fixedly welded and connected with the bottom end of the sliding rod.
8. The device for detecting and repairing the leakage point of the long-distance oil and gas pipeline under pressure according to claim 1, is characterized in that: the detector comprises a detection collector main body, a high-frequency generator, an ultrasonic probe and a data collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122540584.XU CN216344659U (en) | 2021-10-21 | 2021-10-21 | Leakage point detection and repair device for pressurized oil-gas long-distance pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122540584.XU CN216344659U (en) | 2021-10-21 | 2021-10-21 | Leakage point detection and repair device for pressurized oil-gas long-distance pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216344659U true CN216344659U (en) | 2022-04-19 |
Family
ID=81177712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122540584.XU Expired - Fee Related CN216344659U (en) | 2021-10-21 | 2021-10-21 | Leakage point detection and repair device for pressurized oil-gas long-distance pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216344659U (en) |
-
2021
- 2021-10-21 CN CN202122540584.XU patent/CN216344659U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105782633B (en) | It is adaptively connected based on the pipe leakage that screw drives are creeped and blocks prosthetic device | |
| CN107606383B (en) | A kind of pneumatic locking type flexibility in-pipe robot of single-acting and its working method | |
| CN104676188B (en) | Internal-expansion type hydraulic boosting plugging device for submarine pipeline | |
| CN106930707B (en) | Hollow carbon fiber coiled rod connector and its automatic welding device | |
| CN104668876A (en) | Quick rounding device for steel cylinder section pairing | |
| CN216344659U (en) | Leakage point detection and repair device for pressurized oil-gas long-distance pipeline | |
| CN203330633U (en) | Annular welding device for steel tubes and flanges of electric power iron tower | |
| CN206889921U (en) | High-pressure rubber pipe Quick Connect Kit | |
| CN105081666A (en) | Pairing welding method for large-diameter steel pipes and pairing welding apparatus for same | |
| CN104128404B (en) | Light-wall pipe simmers plumber's skill and device | |
| CN201613279U (en) | Pipe end shaping machine used for pipeline welding | |
| CN210637681U (en) | Hydraulic push-pull water shutoff device suitable for various pipe diameters | |
| CN215509866U (en) | Hydraulic dismounting system for rear matched wheel set of shield tunneling machine | |
| CN212455861U (en) | Quick joint for loading and unloading arm | |
| CN204547068U (en) | The hot-melting fixture of multiple tube is manufactured for metal tube plastic lining | |
| CN201844157U (en) | Hydraulic pipeline leaking stopping device | |
| CN111981246A (en) | Self-walking pipeline detection and repair device | |
| CN205208029U (en) | Expanding plugging device in submarine pipeline is flexible | |
| CN204805837U (en) | Connecting device is moulded to steel | |
| CN202869749U (en) | Device for detecting gas tightness of insulating joint for gas | |
| CN209008001U (en) | A kind of stretching docking facilities of steel skeleton plastic clad pipe | |
| CN220205066U (en) | Non-excavation pipeline prosthetic devices | |
| CN213954692U (en) | Hydraulic repair tool for deformed pipeline | |
| CN220851253U (en) | Pipeline deformation repairing device | |
| CN214008377U (en) | Socket joint formula steel pipe seal structure |
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: 20220419 |