CN112709885A - Oil pipe trapping devices is pressed in area based on screw thread - Google Patents
Oil pipe trapping devices is pressed in area based on screw thread Download PDFInfo
- Publication number
- CN112709885A CN112709885A CN202110015214.6A CN202110015214A CN112709885A CN 112709885 A CN112709885 A CN 112709885A CN 202110015214 A CN202110015214 A CN 202110015214A CN 112709885 A CN112709885 A CN 112709885A
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- Prior art keywords
- leakage
- pressing plate
- gear shaft
- flange
- injection
- 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.)
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- 238000002347 injection Methods 0.000 claims abstract description 46
- 239000007924 injection Substances 0.000 claims abstract description 46
- 238000003825 pressing Methods 0.000 claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims abstract 8
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a thread-based leakage repairing device for an oil pipe under pressure. The device comprises a compression bolt, a stop washer, an end cover, a rotary hand wheel, a main rotating rod, a rear pressing plate bolt, a rear pressing plate, a cavity, a push sleeve, a leakage-proof partition plate sleeve, a transmission gear shaft, a push cover, a front pressing plate, a control gear shaft, a flange buckle, a rubber pore membrane and other components, wherein when leakage repairing is carried out, a leakage repairing flange and the rubber pore membrane are wrapped at a leakage point, the rotary hand wheel is rotated, the main transmission rod drives the push sleeve to push the leakage repairing agent in the cavity forwards, the leakage repairing agent is uniformly distributed in the rubber pore membrane, the leakage repairing agent overflows from a small hole of the rubber pore membrane and fully contacts with the leakage point, and then an injection needle on the rubber pore membrane is pulled out to complete leakage repairing; the invention can carry out emergency leakage repairing on the oil pipe under the condition of leakage of the medium and low pressure pipeline, and has the characteristics of wide applicability, high leakage repairing efficiency, simple operation and the like.
Description
Technical Field
The invention relates to a thread-based leakage repairing device for an oil pipe under pressure, in particular to a leakage repairing device for an oil pipe under pressure, which can resist pressure and impact under the condition of medium and low pressure oil pipe leakage.
Background
The pipeline leakage not only can cause a large amount of resource waste, but also can cause serious damage to the natural environment, the prior pipeline leakage repairing technology is in a development stage, most leakage repairing devices can be manually repaired after the well is stopped, the pressure is stopped, and the empty pipe is decompressed, for example, the patent publication No. CN211118265U, although the reliability of the leakage repairing device is better, the oil pipe can be repaired after the empty pipe is needed, the application range is small, and the device belongs to a consumption type repairing device, the cost is higher, and the device cannot be reused; the head of the invention adopts screw thread transmission, has good stability and reliability, can realize the repair work of the oil pipe with pressure in the leakage process of the medium and low pressure oil pipe, can be repeatedly used, is light and easy to operate, and has low cost. The device disclosed in patent publication No. CN210004022U is low in cost and light, but has poor repairing effect on medium and low pressure oil pipes, and is easy to cause secondary leakage.
Disclosure of Invention
The invention aims to solve the problems that an oil-gas pipeline pressurized leak repairing tool in the prior art for repairing leaks on the market is heavy in size, difficult to operate, low in leak repairing effect and the like. When the pipeline is subjected to leakage repairing, the pipeline can be completely wrapped to perform the leakage repairing work, the operation of workers is complex when the leakage repairing is performed, and the leakage repairing efficiency is low.
In order to achieve the purpose, the invention provides the following technical scheme: the injection type pressurized oil pipe leakage repairing tool based on the threads comprises a leakage repairing flange fixing module and a plugging agent injection module; the plugging agent injection module comprises a pushing piston rod and an injection cavity based on threads; the pushing piston rod based on the threads comprises a compression bolt, a stop washer, an end cover, a rotating hand wheel, a main rotating rod, a pushing sleeve and other components, wherein the end cover is fixed at the bottom end of the main rotating rod through the compression bolt and the stop washer; the injection cavity structure of the plugging agent injection module comprises a rear pressing plate bolt, a rear pressing plate, a cavity, a transmission gear shaft, a push cover, a cover pressing plate, a knurled screw cover, a push cover compression bolt, a front pressing plate, a control gear shaft, a leakage-proof partition plate sleeve and other parts, wherein the rear pressing plate, the front pressing plate and the cavity are connected through the front pressing plate bolt and the rear pressing plate bolt to form a closed pipe body structure; a hole is formed above the cavity to form a storage bin for filling the leakage repairing agent, a sealing cover above the storage bin is composed of a push cover, a pressing cover plate, a knurled screw cover and a push cover pressing bolt, a push groove of a main transmission rod is arranged in the cavity, a leakage-proof partition plate sleeve is paved in the push groove to prevent the leakage repairing agent from overflowing, a transmission gear shaft meshed and connected with gear teeth on the main transmission rod is arranged below the cavity, and the transmission gear shaft is meshed and connected with a control gear shaft on the front pressing plate; the flange fixing module comprises parts such as an injection needle, a flange buckle, a rubber hole film, a universal double-hole leakage repairing flange and the like, the flange buckle is connected with a control gear shaft on the injection cavity, two ends of the injection needle are respectively connected with an injection needle mounting hole and the rubber hole film on the injection cavity, a flange port on the universal double-hole leakage repairing flange is inserted into a connecting flange port groove above the front pressing plate, and a lower flange port is buckled on a flange buckle on the lower portion of the front pressing plate.
Preferably, the control gear shaft is provided with a flange buckle fixing shaft, gear teeth below the control gear shaft are meshed with the transmission gear shaft, and the transmission gear shaft drives the control gear shaft to rotate so as to cause the flange buckle rotating shaft above the control gear shaft to do vertical lifting motion;
preferably, the leakage repairing agent storage bin is composed of a dilatation space formed by an opening above the cavity, a push cover and other members;
preferably, the injection needle is designed into a shape of a loop intersection of two needle holes, a space is reserved in the middle of the injection needle, the injection needle is detachable, and the injection needle can be separated from the device by pushing and pulling the injector body when the leakage repairing agent is injected;
preferably, the rubber porous membrane is made of natural rubber, a plurality of small holes are formed in the surface of the rubber porous membrane, the rubber porous membrane is filled when the leakage repairing agent is injected, the leakage holes are uniformly wrapped, the injection overflows from the small holes of the rubber porous membrane and fully contacts the leakage holes of the pipeline, and therefore the leakage repairing efficiency is improved;
preferably, the push sleeve is made of natural rubber materials, and an internal thread meshed with the main rotating rod is formed inside the push sleeve;
preferably, the transmission gear shaft is formed by welding a transmission gear and a connecting rod, the front end of the transmission gear shaft is meshed with the main rotating rod, and the rear end of the transmission gear shaft is connected with the control gear shaft;
the invention has the following technical effects and advantages: when the device is used, an upper flange port is inserted into a connecting flange port groove above a front pressing plate, a lower flange port is buckled on a flange buckle at the lower part of the front pressing plate, the position needing leak repairing on a pressure pipeline is aimed, a hand wheel can be rotated at the moment, a transmission gear shaft drives a control gear shaft to rotate, so that a flange buckle rotating shaft above the control gear shaft is driven to do vertical lifting motion, the opening degree of a flange is adjusted, and the device is suitable for pressure pipelines with different thicknesses.
The rubber porous membrane in the device is made of natural rubber, a plurality of small holes are formed in the surface of the rubber porous membrane, the rubber porous membrane is full when the leakage repairing agent is injected, the leakage holes are uniformly wrapped, the injection overflows from the small holes of the rubber porous membrane and fully contacts the leakage holes of the pipeline, and therefore the leakage repairing efficiency is improved;
the injection cavity is provided with a groove for connecting the flange port above the front pressure plate, and a flange buckle capable of adjusting the flange state below the front pressure plate, so that various types of universal double-hole leakage repairing flanges can be hung, the application is wide, and the leakage repairing cost is greatly reduced.
When the leakage repairing flange is used for repairing leakage of a pipeline, leakage repairing flanges, rubber hole films and the leakage plugging agent are used for performing three-layer leakage repairing on leakage points or welding seams of the pipeline, the leakage repairing effect is enhanced, the operation is simple, and the leakage repairing efficiency is effectively improved.
Drawings
FIG. 1 is a schematic structural view of a thread-based pressurized oil pipe leakage repairing device provided by the invention;
FIG. 2 is a working schematic diagram of a thread-based leakage repairing device for an oil pipe under pressure
FIG. 3 is a top view of a thread-based tubing under pressure leak-stopping device;
FIG. 4 is a schematic view of a rotary hand wheel in the thread-based leakage repairing device for an oil pipe under pressure;
FIG. 5 is a schematic view of a flange fastener in the thread-based leakage repairing device for the oil pipe under pressure;
in the figure: 1. a hold-down bolt; 2. a stop washer; 3. an end cap; 4. rotating a hand wheel; 5. a front platen bolt; 6. a rear pressing plate; 7. a cavity; 8. a main rotating rod; 9. pushing a sleeve; 10. a leakage-proof clapboard sleeve; 11. a drive gear shaft; 12. pushing the cover; 13. pressing the cover plate; 14. knurling and screwing the cover; 15. pushing the cover to compress the bolt; 16. a front platen bolt; 17. a front platen; 18. a control gear shaft; 19. fastening a flange; 20. a rubber porous membrane; 21. a universal double-hole leakage-repairing flange; 22. and (4) injecting a needle.
Detailed Description
In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention will be further explained below with reference to the accompanying drawings, and as shown in the drawings, the present invention is composed of parts such as 1 compression bolt, 2 stop washers, 3 end covers, 4 rotating hand wheels, 8 main rotating rods, 9 push sleeves, 10 leakproof baffle sleeves, 5 front press plate bolts, 6 rear press plates, 7 cavities, 11 transmission gear shafts, 12 push covers, 13 press cover plates, 14 knurled screw covers, 15 push cover compression bolts, 16 front press plate bolts, 17 front press plates, 18 control gear shafts, 22 injection needles, 19 flange fasteners, 20 rubber hole films, 21 universal double-hole leakage-repairing flanges, and the like, and the specific operation steps are as follows:
1. a general 21-hole leakage-repairing flange is additionally arranged on a groove of a connecting flange port above a 17 front pressure plate of the device;
2. connecting a 22 injection needle of the device with a 20 rubber porous membrane jack, and inserting the other end of the 22 injection needle into an injection needle mounting hole in the middle of a front pressing plate of the device 17 after the device is fixed;
3. the universal double-hole leakage-repairing flange of the lower part 21 is arranged on the 19 flange fastener, and the rotating hand wheel 4 is rotated anticlockwise to open the lower part to the maximum angle, so that the flange can be conveniently and accurately fixed on a pipeline;
4. opening a 12 push cover in an injection bin of the device, filling a proper amount of plugging agent, and screwing down the 12 push cover after filling;
5. covering a 20 rubber hole film on a leakage point, clockwise rotating 4 to rotate a hand wheel adjusting flange to be a closed state to sleeve a pipeline, and additionally arranging a fixing bolt fixing flange at the other end of the flange;
6. rotating the hand wheel by clockwise rotation 4 to push the main transmission rod 8 forward, so that the leakage repairing agent in the injection cavity is injected into the 20 rubber hole films, the leakage holes are uniformly wrapped by the hole films, and the injection overflows from the small holes of the 20 rubber hole films and fully contacts the leakage holes of the pipeline;
7. rotating the 4-turn handwheel anticlockwise to separate the lower flange from the 19-flange buckle, and pulling out the 22-injection needle connected with the 20-rubber hole film;
8. and (4) pulling out the port of the upper leakage repairing flange, and installing the flange fixing bolt at the end to finish leakage repairing work.
The invention can carry out emergency leakage repair on the oil pipe under the condition of leakage of the medium and low pressure pipeline under the combined action of all components, has high leakage repair efficiency, simple operation and wide applicability.
Claims (4)
1. The utility model provides a take pressure oil pipe trapping devices based on screw thread which characterized in that: the device comprises a leakage repairing flange fixing module and a leakage plugging agent injection module; the plugging agent injection module comprises a pushing piston rod and an injection cavity based on threads; the pushing piston rod based on the threads comprises components such as a compression bolt (1), a stop washer (2), an end cover (3), a rotating hand wheel (4), a main rotating rod (8), a pushing sleeve (9) and the like, wherein the end cover (3) is fixed at the bottom end of the main rotating rod (8) through the compression bolt (1) and the stop washer (2), the end cover (3) and the rotating hand wheel (4) are both meshed and fixed with the rear end of the main rotating rod through threads, the diameters of the front end and the rear end of the main rotating rod (8) are different, the front end of the main rotating rod (8) is provided with gear teeth meshed with a transmission gear shaft (11), and the surface of the rear end of the main rotating rod (8); the injection cavity structure of the plugging agent injection module comprises parts such as (5) a rear pressing plate bolt, (6) a rear pressing plate, (7) a cavity, (11) a transmission gear shaft, (12) a push cover, (13) a cover pressing plate, (14) a knurled screw cover, (15) a push cover compression bolt, (16) a front pressing plate bolt, (17) a front pressing plate, (18) a control gear shaft, and (10) a leakage-proof partition plate sleeve, wherein the injection cavity structure main body is connected with the rear pressing plate bolt (5) through the front pressing plate bolt (16) to enable the rear pressing plate, (17) the front pressing plate and the cavity (7) to form a closed pipe body structure; (7) a pushing groove of the main transmission rod (8) is arranged in the cavity, a leakage-proof partition sleeve (10) is paved in the pushing groove to prevent leakage repairing agent from overflowing, a transmission gear shaft (11) meshed with the gear teeth on the main transmission rod is arranged below the cavity, and the rear end of the transmission gear shaft (11) is meshed with a control gear shaft (18) on the front pressing plate (17); a groove for connecting a flange port is arranged above the front pressing plate (17), and an injection needle mounting hole (22) is formed in the middle of the front pressing plate; (7) a hole is formed above the cavity to form a storage bin for filling a leak repairing agent, and a sealing cover above the storage bin is composed of a pushing cover (12), a pressing cover plate (13), a knurled screw cover (14) and a pushing cover pressing bolt (15); the flange fixing module comprises parts such as (22) an injection needle, (19) a flange buckle, (20) a rubber hole film, (21) a universal double-hole leakage repairing flange and the like, wherein the flange buckle (19) is connected with a control gear shaft (18) on the injection cavity, two ends of the injection needle are respectively connected with an injection needle mounting hole on the injection cavity and the rubber hole film (20), an upper flange port of the universal double-hole leakage repairing flange (21) is inserted into a connecting flange port groove above a front pressing plate (17), and a lower flange port is buckled on the flange buckle (19) at the lower part of the front pressing plate (17).
2. The thread-based pressurized oil pipe leakage repairing device according to claim 1, characterized in that: the control gear shaft (18) is provided with a flange buckle fixing shaft, gear teeth below the control gear shaft (18) are meshed with the transmission gear shaft (11), and the transmission gear shaft (11) drives the control gear shaft (18) to rotate so as to cause the flange buckle (19) above the control gear shaft to do vertical lifting movement.
3. The thread-based pressurized oil pipe leakage repairing device according to claim 1, characterized in that: the (22) injection needle is designed into a shape of a loop intersection of two needle holes, a space is reserved in the middle of the injection needle, the injection needle is detachable, and the injection needle can be separated from the device by pushing and pulling the injector body after the injection of the leak repairing agent is finished.
4. The thread-based pressurized oil pipe leakage repairing device according to claim 1, characterized in that: the rubber pore membrane of (20) constitute by natural rubber, the surface is equipped with a plurality of apertures, make during the injection trapping agent (20) rubber pore membrane sufficient, evenly wrap up the leakage hole, the injection overflows from the aperture of rubber pore membrane of (20), can fully contact the leakage hole of pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015214.6A CN112709885B (en) | 2021-01-06 | 2021-01-06 | Threaded-based leakage repairing device for pressure oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015214.6A CN112709885B (en) | 2021-01-06 | 2021-01-06 | Threaded-based leakage repairing device for pressure oil pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112709885A true CN112709885A (en) | 2021-04-27 |
| CN112709885B CN112709885B (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110015214.6A Active CN112709885B (en) | 2021-01-06 | 2021-01-06 | Threaded-based leakage repairing device for pressure oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112709885B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962849A (en) * | 2022-07-13 | 2022-08-30 | 东营市硕森新材料有限责任公司 | Quick mending-leakage device for petroleum pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962849A (en) * | 2022-07-13 | 2022-08-30 | 东营市硕森新材料有限责任公司 | Quick mending-leakage device for petroleum pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112709885B (en) | 2024-05-17 |
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