CN111946936A - Memory alloy pipeline repairing device and using method - Google Patents
Memory alloy pipeline repairing device and using method Download PDFInfo
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- CN111946936A CN111946936A CN202010993191.1A CN202010993191A CN111946936A CN 111946936 A CN111946936 A CN 111946936A CN 202010993191 A CN202010993191 A CN 202010993191A CN 111946936 A CN111946936 A CN 111946936A
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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
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
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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
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/1645—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing material being introduced inside the pipe by means of a tool moving in the pipe
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a memory alloy pipeline repairing device which comprises a pipeline to be repaired, wherein a hole to be repaired is formed in the pipeline to be repaired, the right end of the pipeline to be repaired is provided with a repairing device, the repairing device comprises a fixing ring, the left side of the fixing ring is fixedly connected with the right end of the pipeline to be repaired, the inner wall of the fixing ring is fixedly connected with a shell I, the shell I is arranged in the pipeline to be repaired, the inner wall of the shell I is connected with a shell II in a sliding mode, the right side of the shell II is fixedly connected with a transmission rod, the surface of the transmission rod penetrates through the shell and is connected with the shell I in a sliding mode, and the right end of the transmission. The invention solves the problems of difficult tight adhesion to the pipe wall, easy falling off, aging, looseness, pipeline leakage and inconvenience in use in the practical use process due to the fact that the traditional repairing method is easy to cause the problems in the use process through the matching use of the structures.
Description
Technical Field
The invention relates to the technical field of pipeline repairing equipment, in particular to a memory alloy pipeline repairing device.
Background
The pipeline repairing means that various technologies are adopted to restore the normal use function of the damaged and leaked conveying pipeline, and the repairing comprises two technologies of repairing an outer anticorrosive layer and repairing an inner anticorrosive layer; for example, when a hole appears on the inner wall of the pipeline, the hole needs to be repaired in a point manner; the traditional repairing method comprises a resin curing method and a double-expansion ring method, but the method is easy to cause the problems of difficult tight adhesion to the pipe wall, easy falling, aging, loosening and pipeline leakage in the using process, and brings inconvenience to the use, so a device for repairing the pipeline by using the memory alloy is provided.
Disclosure of Invention
The invention aims to provide a memory alloy pipeline repairing device which has the advantages of high corrosion resistance, ageing resistance, tight sealing, strong external expansibility and adaptability to pipelines with various inner diameters, and solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the memory alloy pipeline repairing device comprises a pipeline to be repaired, wherein a hole to be repaired is formed in the pipeline to be repaired, and a repairing device is arranged at the right end of the pipeline to be repaired.
The repairing device comprises a fixing ring, the left side of the fixing ring is fixedly connected with the right end of a pipeline to be repaired, the inner wall of the fixing ring is fixedly connected with a first shell, the first shell is arranged in the pipeline to be repaired, the inner wall of the first shell is slidably connected with a second shell, the right side of the second shell is fixedly connected with a transmission rod, the surface of the transmission rod penetrates through the first shell and is slidably connected with the first shell, the right end of the transmission rod is fixedly connected with a push-pull ring, the inner edge face of the push-pull ring is slidably connected with an air inlet pipe, the left end of the air inlet pipe penetrates through the first shell and is fixedly connected with the first shell, the inner wall of the second shell is slidably connected with two symmetrical transmission plates, the opposite faces of the two transmission plates are fixedly connected with cylindrical air bags, the left side and the right side of the second shell are provided with through holes and are fixedly connected with, the opposite ends of the first air guide tubes penetrate through the cylindrical air bags and are fixedly connected with the cylindrical air bags in a sealing mode, the back faces of the first air guide tubes are connected with a transmission arm in a rotating mode through pin shafts, the upper surface and the lower surface of the second shell are provided with through grooves, one ends, far away from the transmission plates, of the transmission arms penetrate through the through grooves and are connected with the inner walls of the first shell in a rotating mode through the pin shafts, the left side of the first shell is provided with through holes, the second air guide tubes are fixedly connected with the second air guide tubes, and the surfaces, close to the left ends, of the.
Preferably, memory alloy plugging device includes the sleeve pipe, the sheathed tube inner wall is connected with the fixed surface of air duct two, sheathed tube inner wall fixedly connected with check valve three, treat to be equipped with annular gasbag in the restoration pipeline, the sleeve pipe run through annular gasbag and with annular gasbag fixed connection, the fixed surface of annular gasbag is connected with the memory alloy layer, and the temperature that keeps the shutoff state after the memory alloy layer warp is unanimous with the temperature of flowing medium in the pipeline, can effectively improve the shutoff effect of memory alloy to the leak like this.
Preferably, a rubber film is fixedly connected to the arc-shaped profile of the memory alloy layer.
Preferably, the left side of the second shell is fixedly connected with a rubber gasket.
Preferably, the left side fixedly connected with damping spring of rubber gasket, damping spring's quantity is two, and two damping spring use the horizontal central line symmetry setting of shell two.
Preferably, the surface of the air inlet pipe is fixedly sleeved with a limiting plate, and the left side of the limiting plate is movably connected with the right side of the push-pull ring.
Preferably, the method comprises the steps of:
s1: selecting a second air duct with proper length according to the horizontal distance from the hole to be repaired to the opening;
s2: sleeving a sleeve in the memory alloy plugging device on the surface, close to the left end, of the air duct II, and sleeving the surface, close to the right end, of the air duct II in the through hole on the left side of the shell I, so that the assembly is completed;
s3: the left side of the fixing ring is in close contact with the right end of the pipeline to be repaired, so that the fixing ring is fixed on the pipeline to be repaired, and the air duct II drives the memory alloy plugging device to enter the pipeline to be repaired;
s4: and manually pushing and pulling the pull ring leftwards and rightwards to enable the outside air to continuously enter the memory alloy plugging device, and finally plugging the hole to be repaired through the annular air bag.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, through the arrangement of the repairing device, the hole to be repaired on the pipeline to be repaired can be accurately and firmly plugged, the durability is better, and the pipeline to be repaired can not leak in the subsequent use;
after the air duct II with a proper length is selected and the memory alloy plugging device, the shell I and the air duct II are assembled, the memory alloy plugging device in a normal-temperature contraction state is placed in a pipeline to be repaired facing a hole to be repaired through the air duct II, the left side of the fixing ring is tightly attached to the right end of the pipeline to be repaired, the fixing of the fixing ring on the pipeline to be repaired is controlled through one hand, and the transmission rod is driven to move left and right on the shell I through the push-pull ring by the other hand;
when the transmission rod drives the second shell to move left in the first shell, the two transmission plates in the second shell move oppositely to extrude the cylindrical air bag, the cylindrical air bag is extruded to generate contraction deformation, and air in the cylindrical air bag can be transferred to a space close to the left side in the first shell through the first air guide pipe close to the left side and the one-way valve;
when the second shell is driven by the transmission rod to move rightwards, the two transmission plates can move away from each other, so that the cylindrical air bag is pulled open in the vertical direction, the volume in the cylindrical air bag is increased, the interior of the cylindrical air bag is in a negative pressure state, outside air can be sucked into the cylindrical air bag through the air inlet pipe through the check valve II, then the second shell moves leftwards again, the air in the cylindrical air bag can be transferred into a space on the first shell, which is close to the left side, continuously transferred, the space on the first shell, which is close to the left side, is in a high-pressure state, the high-pressure air can be transferred into the memory alloy plugging device through the air guide pipe II, the memory alloy plugging device gradually expands integrally, and finally plugging of a hole to be repaired on a pipeline to be repaired;
finally, when the memory alloy plugging device is expanded to be tightly attached to the inner wall of the pipeline to be repaired and is not easy to move, the air duct II is manually drawn out of the memory alloy plugging device, so that the memory alloy plugging device stays in the inner wall of the pipeline to be repaired continuously, and the hole to be repaired is firmly plugged;
through the cooperation use between the above-mentioned structure, solved in the in-service use, because traditional repair method appears in the use easily and is difficult for closely gluing the pipe wall, drops easily, ageing, not hard up and cause the pipeline to leak the problem, the problem of bringing inconvenience for the use.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of a first housing of the present invention;
FIG. 3 is a front cross-sectional view of a second housing of the present invention;
FIG. 4 is a front cross-sectional view of the bushing of the present invention;
FIG. 5 is a compressed view of the cylindrical balloon of FIG. 3 according to the present invention.
In the figure: 1. a pipeline to be repaired; 2. a hole to be repaired; 3. a prosthetic device; 4. a fixing ring; 5. a first shell; 6. a second shell; 7. a transmission rod; 8. a pull ring is pushed; 9. an air inlet pipe; 10. a drive plate; 11. a cylindrical air bag; 12. a one-way valve I; 13. a second one-way valve; 14. a first gas guide pipe; 15. a drive arm; 16. a through groove; 17. a second gas guide pipe; 18. a memory alloy plugging device; 19. a sleeve; 20. a one-way valve III; 21. an annular air bag; 22. a memory alloy layer; 23. a rubber sheet; 24. a rubber gasket; 25. a damping spring; 26. and a limiting plate.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a memory alloy pipeline repairing device comprises a pipeline 1 to be repaired, a hole 2 to be repaired is formed in the pipeline 1 to be repaired, a repairing device 3 is arranged at the right end of the pipeline 1 to be repaired, the hole 2 to be repaired in the pipeline 1 to be repaired can be accurately and firmly plugged through the repairing device 3, the durability is better, and the pipeline 1 to be repaired cannot leak in the subsequent use;
the repairing device 3 comprises a fixing ring 4, and the fixing ring 4 is an irregular circular ring; the left side of the fixing ring 4 is fixedly connected with the right end of the pipeline 1 to be repaired, the inner wall of the fixing ring 4 is fixedly connected with a first shell 5, the first shell 5 is arranged in the pipeline 1 to be repaired, the inner wall of the first shell 5 is connected with a second shell 6 in a sliding mode, the left side of the second shell 6 is fixedly connected with a rubber gasket 24, and through the arrangement of the rubber gasket 24, when high-pressure air is left in a space close to the left side in the first shell 5, the contact area between the rubber gasket 24 and the inner wall of the first shell 5 can be increased, and the sealing effect is improved;
the left side of the rubber gasket 24 is fixedly connected with two damping springs 25, the two damping springs 25 are symmetrically arranged on the horizontal central line of the shell II 6, and fine vibration generated when the shell II 6 moves left and right in the shell I5 can be absorbed and filtered through the arrangement of the two damping springs 25, so that the stability in use is ensured;
the right side of the second shell 6 is fixedly connected with a transmission rod 7, the surface of the transmission rod 7 penetrates through the first shell 5 and is in sliding connection with the first shell 5, the right end of the transmission rod 7 is fixedly connected with a push-pull ring 8, after a gas guide tube II 17 with a proper length is selected and the memory alloy plugging device 18, the first shell 5 and the second gas guide tube 17 are assembled, the memory alloy plugging device 18 in a normal-temperature shrinkage state is placed in the pipeline 1 to be repaired facing the hole 2 to be repaired through the gas guide tube II 17, at the moment, the left side of the fixing ring 4 is tightly attached to the right end of the pipeline 1 to be repaired, the fixing ring 4 is controlled to be fixed on the pipeline 1 to be repaired through one hand, and the other hand drives the transmission rod 7 to;
the air inlet pipe 9 is connected to the inner edge surface of the push-pull ring 8 in a sliding mode, the limiting plate 26 is fixedly sleeved on the surface of the air inlet pipe 9, the left side of the limiting plate 26 is movably connected with the right side of the push-pull ring 8, the moving distance of the push-pull ring 8 on the air inlet pipe 9 can be limited through the limiting plate 26, and the stability in use is guaranteed;
the left end of the air inlet pipe 9 penetrates through the first shell 5 and is fixedly connected with the first shell 5, the inner wall of the second shell 6 is connected with two symmetrical transmission plates 10 in a sliding mode, opposite faces of the two transmission plates 10 are fixedly connected with cylindrical air bags 11, through holes are formed in the left side and the right side of the second shell 6, a first check valve 12 and a second check valve 13 are fixedly connected through the through holes, air guide pipes 14 are fixedly connected to opposite sides of the first check valve 12 and the second check valve 13, when the transmission rod 7 drives the second shell 6 to move left in the first shell 5, the two transmission plates 10 in the second shell 6 move oppositely to extrude the cylindrical air bags 11, contraction deformation is generated by extrusion, and air in the cylindrical air bags 11 can be transferred to a space close to the left side in the first shell 5 through the first left side air guide pipes 14 and the first check valves 12;
opposite ends of the two air guide tubes I14 penetrate through the cylindrical air bag 11 and are fixedly connected with the cylindrical air bag 11 in a sealing manner, opposite sides of the two transmission plates 10 are rotatably connected with transmission arms 15 through pin shafts, the upper surface and the lower surface of the shell II 6 are respectively provided with a through groove 16, one end of each transmission arm 15, far away from the transmission plate 10, penetrates through the through groove 16 and is rotatably connected with the inner wall of the shell I5 through the pin shafts, the left side of the shell I5 is provided with a through hole and is fixedly connected with an air guide tube II 17 through the through hole, the surface, close to the left end, of the air guide tube II 17 is fixedly connected with a memory alloy plugging device 18, when the transmission rod 7 drives the shell II 6 to move rightwards, the two transmission plates 10 move away from each other, so that the cylindrical air bag 11 is pulled open in the vertical direction, the volume in the cylindrical air bag 11 is increased, the interior of the, then the second shell 6 moves left again, so that air in the cylindrical air bag 11 is transferred to a space on the first shell 5 close to the left side again, the space on the first shell 5 close to the left side is in a high-pressure state through continuous air transfer, high-pressure air is transferred to the memory alloy plugging device 18 through the second air duct 17, the memory alloy plugging device 18 gradually expands integrally, and finally the plugging of the hole 2 to be repaired on the pipeline 1 to be repaired is realized;
finally, when the memory alloy plugging device 18 is expanded to be tightly attached to the inner wall of the pipeline 1 to be repaired and is not easy to move, the air duct II 17 is manually drawn out of the memory alloy plugging device 18, so that the memory alloy plugging device 18 is continuously stayed in the inner wall of the pipeline 1 to be repaired, and the hole 2 to be repaired is firmly plugged;
the memory alloy plugging device 18 comprises a sleeve 19, the inner wall of the sleeve 19 is fixedly connected with the surface of the air guide tube II 17, the inner wall of the sleeve 19 is fixedly connected with a one-way valve III 20, an annular air bag 21 is arranged in the pipeline 1 to be repaired, the sleeve 19 penetrates through the annular air bag 21 and is fixedly connected with the annular air bag 21, and the surface of the annular air bag 21 is fixedly connected with a memory alloy layer 22;
when the memory alloy plugging device 18 is placed into the pipeline 1 to be repaired, the memory alloy plugging device 18 is in a folding deformation state, and the outer diameter of the overall appearance of the memory alloy plugging device 18 is smaller than the inner diameter of the pipeline 1 to be repaired, so that the memory alloy plugging device is convenient to place. The folded state is reasonably optimized and determined according to the characteristics of the memory alloy in the memory alloy plugging device 18 and the space of the pipeline.
When in use, high-pressure gas is transmitted into the sleeve 19 through the second air duct 17, the high-pressure gas enters the annular air bag 21 through the third one-way valve 20, due to the one-way conduction characteristic of the three-way valve 20, the air in the annular air bag 21 can not flow backwards, the annular air bag 21 is continuously inflated by continuously charging air into the annular air bag 21, the air in the annular air bag 21 is also continuously compressed, the air in the annular air bag 21 is acted, by doing work, the temperature of the air in the annular air bag 21 is increased, so that the environmental temperature of the memory alloy layer 22 is changed, so that the memory alloy layer 22 is deformed, and the memory alloy layer 22 is transformed into an expanded form, the outer diameter of the memory alloy layer 22 in this form is matched with the inner diameter of the pipe wall of the pipe 1 to be repaired, so that the leakage part of the pipe 1 to be repaired can be conveniently plugged. In order to improve the deformation effect, the introduced air can also be set to be air with a certain temperature, and the temperature of the air is consistent with that of the fluid in the pipeline.
The annular air bag 21 can be smoothly deformed through the arrangement; the first check valve 12, the second check valve 13 and the third check valve 20 are all one-way air valves, and the model is CJT 022;
finally, by stopping the inflation, the temperature in the annular air bag 21 will not change actively any more, but change into the temperature of the fluid in the pipeline to affect the memory alloy layer 22, and the memory alloy type deformed along with the temperature is adopted, so that after the memory alloy layer 22 is subjected to the temperature shadow in the pipeline, the memory alloy layer 22 is kept in a stable state after expansion and denaturation, meanwhile, the annular air bag 21 and the gas in the annular air bag generate pressure, and the annular air bag 21 and the gas in the annular air bag further press the memory alloy layer 22 firmly in the inner wall of the pipeline 1 to be repaired, thereby further improving the sealing effect during the repair;
the rubber film 23 is fixedly connected to the arc-shaped profile of the memory alloy layer 22, and the rubber film 23 can be further in close contact with the inner wall of the to-be-repaired hole 2 on the to-be-repaired pipeline 1, so that the sealing and leaking stoppage effects are improved.
The method comprises the following steps:
s1: selecting a second air duct 17 with a proper length according to the horizontal distance between the hole 2 to be repaired and the hole opening;
s2: sleeving a sleeve 19 in the memory alloy plugging device 18 on the surface, close to the left end, of the air guide pipe II 17, sleeving the surface, close to the right end, of the air guide pipe II 17 in a through hole in the left side of the shell I5, and completing assembly;
s3: the left side of the fixing ring 4 is in close contact with the right end of the pipeline 1 to be repaired, so that the fixing ring 4 is fixed on the pipeline 1 to be repaired, and the air duct II 17 carries the memory alloy plugging device 18 to enter the pipeline 1 to be repaired;
s4: the pull ring 8 is pushed and pulled by hand left and right, so that the outside air continuously enters the memory alloy plugging device 18, and finally the plugging of the hole 2 to be repaired is completed through the annular air bag 21.
The working principle is as follows: when the memory alloy pipeline repairing device is used, the hole 2 to be repaired on the pipeline 1 to be repaired can be accurately and firmly plugged through the repairing device 3, the durability is better, and the pipeline 1 to be repaired cannot leak in the subsequent use; after the air duct II 17 with a proper length is selected, and the memory alloy plugging device 18, the shell I5 and the air duct II 17 are assembled, the memory alloy plugging device 18 in a normal-temperature contraction state is placed in the pipeline 1 to be repaired facing the hole 2 to be repaired through the air duct II 17, at the moment, the left side of the fixing ring 4 is tightly attached to the right end of the pipeline 1 to be repaired, the fixing of the fixing ring 4 on the pipeline 1 to be repaired is controlled through one hand, and the transmission rod 7 is driven to move left and right on the shell I5 through the push-pull ring 8 by the other hand; when the transmission rod 7 drives the second shell 6 to move to the left in the first shell 5, the two transmission plates 10 in the second shell 6 move oppositely to extrude the cylindrical air bag 11, the cylindrical air bag 11 is extruded to generate contraction deformation, and air in the cylindrical air bag 11 can be transferred to a space close to the left in the first shell 5 through the first left air guide pipe 14 and the first check valve 12; when the second shell 6 is driven by the transmission rod 7 to move rightwards, the two transmission plates 10 can move away from each other, so that the cylindrical air bag 11 is pulled away in the vertical direction, the volume in the cylindrical air bag 11 is increased, the interior of the cylindrical air bag 11 is in a negative pressure state, outside air can be sucked into the cylindrical air bag 11 through the air inlet pipe 9 through the second check valve 13, then the second shell 6 moves leftwards again, the air in the cylindrical air bag 11 can be transferred into a space, close to the left side, on the first shell 5 again, continuous air transfer can enable the space, close to the left side, on the first shell 5 to be in a high pressure state, the high pressure air can be transferred into the memory alloy plugging device 18 through the second air guide pipe 17, the memory alloy plugging device 18 gradually expands integrally, and plugging of the hole 2 to be repaired on the pipeline 1 to be repaired; and finally, when the memory alloy plugging device 18 is expanded to be tightly attached to the inner wall of the pipeline 1 to be repaired and is not easy to move, manually drawing the air duct II 17 out of the memory alloy plugging device 18, and enabling the memory alloy plugging device 18 to continuously stay in the inner wall of the pipeline 1 to be repaired, so that the hole 2 to be repaired is firmly plugged. Through the cooperation use between the above-mentioned structure, solved in the in-service use, because traditional repair method appears in the use easily and is difficult for closely gluing the pipe wall, drops easily, ageing, not hard up and cause the pipeline to leak the problem, the problem of bringing inconvenience for the use.
In addition, the temperature for keeping the plugging state after the memory alloy layer deforms is set to be consistent with the temperature of a flowing medium in the pipeline, so that the plugging effect of the memory alloy on the leak can be effectively improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a memory alloy pipeline prosthetic devices, is including waiting to restore pipeline (1), it is equipped with hole (2) of waiting to restore on waiting to restore pipeline (1), its characterized in that: a repairing device (3) is arranged at the right end of the pipeline (1) to be repaired;
the repairing device (3) comprises a fixing ring (4), the left side of the fixing ring (4) is fixedly connected with the right end of the pipeline to be repaired (1), the inner wall of the fixing ring (4) is fixedly connected with a first shell (5), the first shell (5) is arranged in the pipeline to be repaired (1), the inner wall of the first shell (5) is slidably connected with a second shell (6), the right side of the second shell (6) is fixedly connected with a transmission rod (7), the surface of the transmission rod (7) penetrates through the first shell (5) and is slidably connected with the first shell (5), the right end of the transmission rod (7) is fixedly connected with a push-pull ring (8), an air inlet pipe (9) is slidably connected onto the inner edge surface of the push-pull ring (8), the left end of the air inlet pipe (9) penetrates through the first shell (5) and is fixedly connected with the first shell (5), the inner wall of the second shell (6) is slidably connected with two, the opposite surfaces of the two transmission plates (10) are fixedly connected with a cylindrical air bag (11), the left side and the right side of the shell II (6) are provided with through holes and fixedly connected with a one-way valve I (12) and a one-way valve II (13) through the through holes, the opposite sides of the one-way valve I (12) and the one-way valve II (13) are fixedly connected with air guide pipe I (14), the opposite ends of the two air guide pipe I (14) penetrate through the cylindrical air bag (11) and are fixedly connected with the cylindrical air bag (11) in a sealing way, the opposite surfaces of the two transmission plates (10) are rotatably connected with a transmission arm (15) through a pin shaft, the upper surface and the lower surface of the shell II (6) are provided with through grooves (16), one end of the transmission arm (15), far away from the transmission plates (10), penetrates through the through grooves (16) and is rotatably connected with the inner wall of the shell I (5) through the pin shaft, and a memory alloy plugging device (18) is fixedly connected to the surface of the air duct II (17) close to the left end.
2. The memory alloy pipeline rehabilitation device according to claim 1, wherein: the memory alloy plugging device (18) comprises a sleeve (19), the inner wall of the sleeve (19) is fixedly connected with the surface of a second air guide tube (17), the inner wall of the sleeve (19) is fixedly connected with a one-way valve III (20), an annular air bag (21) is arranged in the pipeline (1) to be repaired, the sleeve (19) penetrates through the annular air bag (21) and is fixedly connected with the annular air bag (21), a memory alloy layer (22) is fixedly connected with the surface of the annular air bag (21), and the temperature of the plugging state is kept consistent with the temperature of a flowing medium in the pipeline after the memory alloy layer (22) deforms.
3. The memory alloy pipeline rehabilitation device according to claim 2, wherein: the arc-shaped profile of the memory alloy layer (22) is fixedly connected with a rubber film (23).
4. The memory alloy pipeline rehabilitation device according to claim 1, wherein: and the left side of the second shell (6) is fixedly connected with a rubber gasket (24).
5. The memory alloy pipeline rehabilitation device according to claim 4, wherein: the left side fixedly connected with damping spring (25) of rubber gasket (24), the quantity of damping spring (25) is two, and two damping spring (25) set up with the horizontal central line symmetry of shell two (6).
6. The memory alloy pipeline rehabilitation device according to claim 1, wherein: the surface of the air inlet pipe (9) is fixedly sleeved with a limiting plate (26), and the left side of the limiting plate (26) is movably connected with the right side of the push-pull ring (8).
7. The use method of the memory alloy pipeline repairing device according to claim 1, wherein the memory alloy pipeline repairing device comprises the following steps: the method comprises the following steps:
s1: selecting a second air duct (17) with a proper length according to the horizontal distance between the hole (2) to be repaired and the hole opening;
s2: sleeving a sleeve (19) in the memory alloy plugging device (18) on the surface, close to the left end, of the air duct II (17), sleeving the surface, close to the right end, of the air duct II (17) in the through hole in the left side of the shell I (5), and completing assembly;
s3: tightly contacting the left side of the fixing ring (4) with the right end of the pipeline (1) to be repaired to fix the fixing ring (4) on the pipeline (1) to be repaired, and enabling the air duct II (17) to carry the memory alloy plugging device (18) into the pipeline (1) to be repaired;
s4: and the pull ring (8) is pushed and pulled leftwards and rightwards manually, so that the outside air continuously enters the memory alloy plugging device (18), and finally the hole (2) to be repaired is plugged through the annular air bag (21).
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| CN202010993191.1A CN111946936B (en) | 2020-09-21 | 2020-09-21 | Memory alloy pipeline repairing device and using method |
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| CN202010993191.1A CN111946936B (en) | 2020-09-21 | 2020-09-21 | Memory alloy pipeline repairing device and using method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001212A (en) * | 2021-11-05 | 2022-02-01 | 中国五冶集团有限公司 | Anti-leakage method for reinforced concrete pipeline |
| CN114935063A (en) * | 2022-06-02 | 2022-08-23 | 太仓阿尔法数字科技有限公司 | Method and device for repairing memory alloy of pipeline |
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| CN114001212A (en) * | 2021-11-05 | 2022-02-01 | 中国五冶集团有限公司 | Anti-leakage method for reinforced concrete pipeline |
| CN114935063A (en) * | 2022-06-02 | 2022-08-23 | 太仓阿尔法数字科技有限公司 | Method and device for repairing memory alloy of pipeline |
| CN114935063B (en) * | 2022-06-02 | 2023-11-21 | 太仓阿尔法数字科技有限公司 | Pipeline memory alloy repairing method and device |
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| CN111946936B (en) | 2022-04-15 |
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