Underwater pipeline repairing device and repairing method

Abstract

The invention relates to the technical field of ocean engineering, and discloses an underwater pipeline repairing device and a repairing method.The underwater pipeline repairing device comprises a main body assembly, a subsurface buoy, an auxiliary assembly and an auxiliary part, a water tank is fixed to the bottom of the subsurface buoy, a floating ball is fixed to the top of the subsurface buoy, and the auxiliary part is arranged on the water tank and comprises a pressing disc; and the pressure plate is positioned in the water chamber. The underwater buoy has the beneficial effects that the underwater buoy can be lifted by utilizing seawater, so that resource waste is avoided, the situation that heavy objects cannot be recycled after being placed and discarded is avoided, sustainable development is facilitated, hidden dangers of seabed obstacles are eliminated, and the situation that the heavy objects are stacked on the seabed to hinder subsequent underwater construction, detection and maintenance operation is avoided; according to the underwater pipeline repairing device, the follow-up operation difficulty and potential risks are reduced, control is more flexible, ascending or descending of the subsurface buoy in water can be controlled, the subsurface buoy can reach a preset position more accurately for pipeline detection and other work, and the efficiency and accuracy of the whole underwater pipeline repairing work are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of ocean engineering, and particularly to an underwater pipeline repair device and a repair method. Background Art

[0002] In the context of the continuous advancement of ocean resource development and coastal city construction, underwater pipelines are increasingly widely used. For example, submarine oil and gas transportation, urban sewage discharge, etc. all rely on their transmission. However, underwater pipelines are long-term in a complex and harsh marine environment, facing many challenges such as seawater corrosion, strong water pressure, ocean current impact, and marine organism attachment. They are extremely prone to damage such as cracks, leaks, and deformation. The underwater pipeline repair device integrates multiple functions. With the help of advanced automation control and other technologies, it can accurately locate the damaged part of the pipeline underwater and efficiently complete the repair work, ensuring the safe and stable operation of the underwater pipeline, reducing economic losses and environmental risks caused by pipeline damage. In underwater pipeline repair, a subsurface buoy is used for positioning and navigation. The subsurface buoy is equipped with an acoustic positioning system, etc., which can accurately determine the position of the underwater pipeline and its own location, and accurately guide the direction for construction vessels, divers, or underwater robots, etc. in subsequent repair operations, enabling them to quickly reach the specific position where the pipeline needs to be repaired. Before deploying the subsurface buoy, a heavy object with an appropriate weight is firmly installed on the subsurface buoy. By virtue of the additional gravity increased by the heavy object, the buoyancy of the subsurface buoy itself is overcome, enabling it to sink smoothly to the predetermined depth position of the underwater pipeline. When the detection task of the pipeline is completed, the heavy object is separated from the subsurface buoy by remote control. At this time, the buoyancy of the subsurface buoy itself is greater than the remaining gravity, and it begins to float until it emerges from the water surface, facilitating the staff to recover the subsurface buoy and obtain the detection data stored therein, and then formulating subsequent pipeline repair or maintenance plans based on these data. In underwater pipeline repair, the heavy object is directly discarded and not recycled. The heavy object is directly discarded underwater and cannot be recycled and reused, resulting in waste of resources and affecting the efficient utilization of resources. Moreover, the discarded heavy objects may accumulate on the seabed. When there are other underwater construction, detection, or maintenance operations in the future, they are likely to become obstacles, affecting the normal operation of equipment and increasing the difficulty and potential risks of subsequent operations. Summary of the Invention

[0003] The purpose of this part is to outline some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and title of the present application, to avoid obscuring the purpose of this part, the abstract, and the title. However, such simplifications or omissions cannot be used to limit the scope of the present invention.

[0004] In view of the above and / or existing problems in underwater pipeline repair devices and repair methods, the present invention is proposed.

[0005] Therefore, the problem to be solved by the present invention is that in the repair of underwater pipelines, heavy objects are directly discarded without recycling, which not only causes waste of resources and affects the utilization efficiency, but also accumulates on the seabed and becomes an obstacle to subsequent underwater operations, increasing the operation difficulty and potential risks.

[0006] To solve the above technical problems, the present invention provides the following technical solutions: An underwater pipeline repair device and a repair method, which include a main body component, including a submersible buoy, a water tank is fixed to the bottom of the submersible buoy, and a floating ball is fixed to the top of the submersible buoy;

[0007] An auxiliary component, arranged on the water tank, including an auxiliary part, the auxiliary part includes a pressure plate, the pressure plate is located inside the water tank, a transmission pipe is fixed to one side of the water tank, a delivery pipe is fixed to the bottom of the floating ball, and a moving plate is arranged inside the delivery pipe.

[0008] As a preferred solution of the underwater pipeline repair device and the repair method of the present invention, wherein: the auxiliary component further includes a rotating part, the rotating part includes a filter screen, the filter screen is fixed to one side of the transmission pipe, a cleaning rod is fixed to one side of the filter screen, a hinge block is fixed to one end of the cleaning rod, and a driving frame is sleeved outside the hinge block, and a rotating block is arranged at the bottom of the driving frame.

[0009] As a preferred solution of the underwater pipeline repair device and the repair method of the present invention, wherein: a first pulley is fixed to one side of the rotating block, a belt is sleeved outside the first pulley, a second pulley is arranged inside the belt, a first bevel gear is fixed to one side of the second pulley, a second bevel gear is arranged on one side of the first bevel gear, and an impeller is fixed to one side of the second bevel gear.

[0010] As a preferred solution of the underwater pipeline repair device and the repair method of the present invention, wherein: the auxiliary component further includes a transmission part, the transmission part includes a transmission frame, the transmission frame is fixed to the inner wall of the transmission pipe, and a connecting pipe is fixed to one side of the transmission frame.

[0011] As a preferred solution of the underwater pipeline repair device and the repair method of the present invention, wherein: a snap ring is fixed to the inner wall of the connecting pipe, a tapered block is arranged on one side of the snap ring, and a moving strip is fixed to one side of the tapered block.

[0012] As a preferred solution of the underwater pipeline repair device and the repair method of the present invention, wherein: a hole plate is sleeved outside the moving strip, the hole plate is movably connected to the moving strip, a spring is fixed to one side of the tapered block, and one end of the spring is fixed to one side of the hole plate.

[0013] As a preferred embodiment of the underwater pipeline repair device and repair method of the present invention, the following is provided: The auxiliary component further includes a movable member, the movable member includes a moving column, the moving column is fixed to the bottom of the moving disk, a support sleeve is sleeved outside the moving column, the moving column and the support sleeve are movably connected, and a positioning plate is sleeved outside the support sleeve.

[0014] As a preferred embodiment of the underwater pipeline repair device and repair method of the present invention, the following is provided: A runner is provided on one side of the moving column, a reel is fixed on one side of the runner, a pulling rope is arranged inside the reel, the pulling rope is fixed to the top of the pressing disk, a fixed pulley is arranged on one side of the pulling rope, the fixed pulley is rotatably connected to the inside of the water tank through a rotating shaft, and a protective frame is fixed to the bottom of the transmission pipe.

[0015] As a preferred embodiment of the underwater pipeline repair device and repair method of the present invention, the following is provided: A one-way pipe is fixed to one side of the transmission pipe, a baffle is hinged inside the one-way pipe, a torsion spring is fixed to one side of the baffle, and one end of the torsion spring is fixed to the inner wall of the one-way pipe.

[0016] As a preferred embodiment of the underwater pipeline repair device and repair method of the present invention, after the submersible buoy is placed in the area near the underwater pipeline to be repaired, the position and orientation of the pipeline are located by virtue of the acoustic positioning instrument, inertial navigation system, etc. carried by the submersible buoy, and then the damage condition of the pipeline is detected by the underwater camera and ultrasonic detector carried.

[0017] Then, the silt and sundries around the pipeline are cleaned by using a high-pressure water gun and a mechanical dredging device, and the oil stains and rust can also be treated. After that, the repair materials are transported to the repair site through a special material storage tank and conveying system, such as transporting liquid sealant and delivering patches, etc. Then, according to the damage condition, the injection device is used to inject glue to seal small holes, and the remotely operated underwater vehicle is relied on to cooperate with the submersible buoy to repair large-area damage with composite materials. When it is serious, the pipe section is replaced. Finally, the repair quality is checked by a detection device, and the repair effect is monitored in real time to ensure stability and reliability.

[0018] The beneficial effects of the present invention are as follows: The submersible buoy can be lifted and lowered by using seawater, thus avoiding waste of resources. There is no need to use heavy objects that cannot be recycled after being placed and discarded, which is conducive to sustainable development. The hidden danger of underwater obstacles is eliminated, and the situation where heavy objects accumulate on the seabed and hinder subsequent underwater construction, detection and maintenance operations will not occur, reducing the difficulty and potential risks of subsequent operations. Moreover, the operation is more flexible, the submersible buoy can be controlled to rise or fall in the water, and it can reach the predetermined position more accurately for pipeline detection and other work, improving the efficiency and accuracy of the entire underwater pipeline repair work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0020] Figure 1 It is the overall structure diagram of the underwater pipeline repair device and the repair method.

[0021] Figure 2 It is the sectional structure diagram of the water tank of the underwater pipeline repair device and the repair method.

[0022] Figure 3 It is the sectional structure diagram of the transmission pipe of the underwater pipeline repair device and the repair method.

[0023] Figure 4 It is the structure diagram of the cleaning rod of the underwater pipeline repair device and the repair method.

[0024] Figure 5 It is the structure diagram of the driving frame of the underwater pipeline repair device and the repair method.

[0025] Figure 6 It is the structure diagram of the impeller of the underwater pipeline repair device and the repair method.

[0026] Figure 7 It is of the underwater pipeline repair device and the repair method Figure 6 The partial enlarged structure diagram at position A.

[0027] Figure 8 It is the sectional structure diagram of the one-way pipe of the underwater pipeline repair device and the repair method.

[0028] Figure 9 It is the structure diagram of the torsion spring of the underwater pipeline repair device and the repair method.

[0029] Figure 10 It is the structure diagram of the fixed pulley of the underwater pipeline repair device and the repair method.

[0030] Figure 11 It is the structure diagram of the reel of the underwater pipeline repair device and the repair method.

[0031] Figure 12 It is the structure diagram of the moving column of the underwater pipeline repair device and the repair method. Detailed implementation manners

[0032] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following will make a detailed description of the specific implementation manners of the present invention in conjunction with the drawings in the specification.

[0033] In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0034] Secondly, as used herein, "an embodiment" or "embodiments" refer to specific features, structures, or characteristics that may be included in at least one implementation manner of the present invention. The phrase "in an embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that mutually excludes other embodiments.

[0035] Embodiment 1

[0036] Referring to Figures 1 to 12 , which is the first embodiment of the present invention. This embodiment provides an underwater pipeline repair device and a repair method. The underwater pipeline repair device and the repair method include a main body component 100 and an auxiliary component 200. The two cooperate to utilize seawater to achieve the lifting of the subsea buoy, avoid waste of resources, eliminate potential hazards of underwater obstacles, make the operation more flexible, thereby improving the work efficiency and accuracy of underwater pipeline repair, and being conducive to sustainable development.

[0037] The main body component 100 includes a subsea buoy 101. A water tank 102 is fixedly arranged at the bottom of the subsea buoy 101, and a floating ball 103 is fixedly arranged at the top of the subsea buoy 101.

[0038] The subsea buoy 101 is used for positioning and navigation. The subsea buoy 101 is equipped with an acoustic positioning system, etc., which can accurately determine the position of the underwater pipeline and its own orientation, and accurately guide the direction for construction vessels, divers, or underwater robots, etc. in subsequent repair operations. The subsea buoy 101 belongs to the prior art and will not be elaborated here. By injecting seawater into the water tank 102, the weight of the subsea buoy 101 can be increased to make it sink. When it is necessary to make the subsea buoy 101 rise, the water in the water tank 102 is discharged from the water tank 102. At this time, the floating ball 103 will expand, thereby enabling the subsea buoy 101 to rise. By discharging different amounts of water from the water tank 102, the expansion size of the floating ball 103 can be adjusted simultaneously, so as to achieve the rising position of the subsea buoy 101. The floating ball 103 is made of polyurethane foam, which has the characteristics of light weight and small density, can provide good buoyancy, and its own structure is relatively stable, with good flexibility, having a certain compressive resistance and impact resistance. In a complex underwater pressure and water flow impact environment, it is not easy to crack, and it can also resist seawater corrosion, and can ensure the floating function of the subsea buoy 101 for a long time. The subsea buoy 101 belongs to the prior art and is common knowledge in the field, and will not be elaborated here.

[0039] The auxiliary component 200 is arranged on the water tank 102 and includes an auxiliary part 201. The auxiliary part 201 includes a pressure plate 201a. The pressure plate 201a is located inside the water tank 102. A transmission pipe 201b is fixed on one side of the water tank 102. A delivery pipe 201c is fixed to the bottom of the floating ball 103. A moving plate 201d is arranged inside the delivery pipe 201c.

[0040] An electric push rod is fixed on the top of the pressure plate 201a. One end of the electric push rod is inserted into the bottom of the submersible buoy 101. The electric push rod belongs to the prior art and will not be elaborated here. By starting the electric push rod, the pressure plate 201a is driven to move to the top inside the water tank 102. At this time, the floating ball 103 is in a deflated state. Then the submersible buoy 101 is put into the sea water. At this time, the sea water will enter the water tank 102 through the transmission pipe 201b to increase its weight, thereby driving the submersible buoy 101 to descend. When it is necessary to make the submersible buoy 101 ascend, by starting the electric push rod to drive the pressure plate 201a to press down, at this time, the sea water inside the water tank 102 can be squeezed from the water tank 102 to one side of the transmission pipe 201b, and then the sea water is discharged through the transmission pipe 201b. When the pressure plate 201a moves to the bottom inside the water tank 102, it can be engaged with one side of the transmission pipe 201b to seal it, thereby preventing the sea water from entering the water tank 102. Then, by pressing down the pressure plate 201a, the moving plate 201d can be driven to move inside the delivery pipe 201c, so that the floating ball 103 can be inflated through the delivery pipe 201c, and then the submersible buoy 101 can ascend.

[0041] When the floating ball 103 needs to be restored to the deflated state after the submersible buoy 101 ascends, by moving the pressure plate 201a back to the top inside the water tank 102, at this time, the moving plate 201d will return to its original position, and then through the elastic material of the floating ball 103 itself to rebound, it is restored to the deflated state for the next use in water.

[0042] Embodiment 2

[0043] Refer to Figures 2 to 12 , which is the second embodiment of the present invention. This embodiment is based on the previous embodiment.

[0044] Specifically, the auxiliary component 200 further includes a rotating part 202. The rotating part 202 includes a filter screen 202a. The filter screen 202a is fixed on one side of the transmission pipe 201b. A cleaning rod 202b is fixed on one side of the filter screen 202a. One end of the cleaning rod 202b is fixed with a hinge block 202c. A driving frame 202d is sleeved outside the hinge block 202c. A rotating block 202e is arranged at the bottom of the driving frame 202d.

[0045] The setting of the filter screen 202a can filter the transmission pipe 201b to prevent impurities from entering the water tank 102. A driving groove is provided on the driving frame 202d. One side of the rotating block 202e and the hinge block 202c slides in the driving groove. When seawater enters the transmission pipe 201b, it can drive the rotating block 202e to rotate. When the rotating block 202e rotates, it can slide in the driving groove and squeeze the driving groove to move the driving frame 202d. At this time, the movement of the driving frame 202d drives the driving groove to squeeze the hinge block 202c to rotate reciprocally, and then the rotation of the hinge block 202c can drive the cleaning rod 202b to rotate on one side of the filter screen 202a. When there are large sundries attached to one side of the filter screen 202a, affecting the entry of seawater, the cleaning rod 202b can clean the large sundries attached to one side of the filter screen 202a.

[0046] Specifically, a first pulley 202f is fixed on one side of the rotating block 202e. A belt 202g is sleeved outside the first pulley 202f. A second pulley 202h is arranged inside the belt 202g. A first bevel gear 202i is fixed on one side of the second pulley 202h. A second bevel gear 202j is arranged on one side of the first bevel gear 202i. An impeller 202k is fixed on one side of the second bevel gear 202j.

[0047] When seawater enters the water tank 102 from the transmission pipe 201b, it can drive the impeller 202k to rotate at this time. Through the rotation of the impeller 202k, the second bevel gear 202j can be driven to rotate. The second bevel gear 202j meshes with the first bevel gear 202i. By the rotation of the second bevel gear 202j, the first bevel gear 202i is driven to rotate. Then, the first bevel gear 202i can drive the second pulley 202h to rotate through rotation. Through the rotation of the second pulley 202h, the belt 202g is driven to rotate. Then, the belt 202g drives the first pulley 202f to rotate. Through the rotation of the first pulley 202f, the rotating block 202e can be driven to rotate.

[0048] The belt 202g is inserted into one side of the transmission pipe 201b. The belt 202g is movably connected to the transmission pipe 201b. A sealing ring is arranged at the connection between the belt 202g and the transmission pipe 201b, which can prevent seawater leakage. A connection cover is fixed on one side of the transmission pipe 201b. One end of the driving frame 202d and the first pulley 202f are both rotatably connected to the connection cover through a rotating shaft. One side of the cleaning rod 202b is inserted into one side of the connection cover. The cleaning rod 202b and the connection cover are rotatably connected through a rotating shaft. Through the setting of the connection cover, the cleaning rod 202b can be supported to prevent the cleaning rod 202b from shifting.

[0049] Specifically, the auxiliary component 200 further includes a transmission member 203. The transmission member 203 includes a transmission frame 203a which is fixed to the inner wall of the transmission pipe 201b, and a connecting pipe 203b is fixed to one side of the transmission frame 203a.

[0050] There are two connecting pipes 203b, which are respectively fixed to both sides of the transmission frame 203a. A conical cover is fixed to one end of the connecting pipe 203b fixed to one end of the transmission frame 203a. The conical cover is arranged on the filter screen 202a. The impeller 202k is rotationally connected to the inner wall of the transmission frame 203a through a rotating shaft, and the second pulley 202h is also rotationally connected to the inner wall of the transmission frame 203a through a rotating shaft. When seawater enters the transmission pipe 201b, part of the seawater can be transmitted into the connecting pipe 203b through the conical cover, and then the seawater is guided by the connecting pipe 203b to move to one side of the impeller 202k, causing the impeller 202k to rotate. Then the seawater is discharged through the connecting pipe 203b on the other side of the transmission frame 203a. At this time, the cleaning rod 202b can be driven to clean one side of the filter screen 202a.

[0051] Specifically, a snap ring 203c is fixed to the inner wall of the connecting pipe 203b. A conical block 203d is arranged on one side of the snap ring 203c, and a moving strip 203e is fixed to one side of the conical block 203d.

[0052] When the seawater is discharged from the connecting pipe 203b on the other side of the transmission frame 203a, the conical block 203d can be squeezed to separate it from the snap ring 203c, so that the seawater can be discharged normally. When the seawater is discharged from the water tank 102, the seawater will squeeze the other side of the conical block 203d, making the conical block 203d fit tightly against one side of the snap ring 203c. At this time, the seawater will not be transmitted through the connecting pipe 203b on the other side of the transmission frame 203a, so that the impeller 202k will not rotate, and the seawater will be directly discharged from the transmission pipe 201b. When discharging, the sundries attached to the outer side of the filter screen 202a can be pushed out by the water flow. Therefore, it does not need to be cleaned when discharging, thus reducing the number of friction times of the cleaning rod 202b on one side of the filter screen 202a, reducing wear, and improving the service life of the cleaning rod 202b. The inner side of the snap ring 203c is set as an inclined surface, which can fit tightly with the inclined surface of the conical block 203d.

[0053] Specifically, an orifice plate 203f is sleeved on the outer side of the moving strip 203e. The orifice plate 203f is movably connected to the moving strip 203e. A spring 203g is fixed to one side of the conical block 203d, and one end of the spring 203g is fixed to one side of the orifice plate 203f.

[0054] A plurality of water leakage holes are formed in the orifice plate 203f to facilitate the transmission of seawater. The orifice plate 203f is fixed to the inner wall of the connecting pipe 203b. The orifice plate 203f can support the moving bar 203e to prevent the moving bar 203e from shifting. When the conical block 203d moves, it can drive the moving bar 203e to move on the orifice plate 203f. At this time, an extrusion force can be applied to the spring 203g. When seawater transportation stops in the connecting pipe 203b, the conical block 203d can be driven by the elastic force of the spring 203g to re-engage with the snap ring 203c for the next use.

[0055] Embodiment 3

[0056] Refer to Figures 1 to 12 , which is the third embodiment of the present invention. This embodiment is based on the first two embodiments.

[0057] Specifically, the auxiliary component 200 further includes a movable member 204. The movable member 204 includes a moving column 204a. The moving column 204a is fixed to the bottom of the moving disk 201d. A support sleeve 204b is sleeved outside the moving column 204a. The moving column 204a and the support sleeve 204b are movably connected. A positioning plate 204c is sleeved outside the support sleeve 204b.

[0058] The positioning plate 204c is fixed to one side of the water tank 102. The positioning plate 204c can support the support sleeve 204b. When the pressure plate 201a moves, it can drive the moving column 204a to move. At this time, the moving disk 201d can be driven to move by the movement of the moving column 204a to inflate the floating ball 103. When the moving column 204a moves, the support sleeve 204b can support the moving column 204a.

[0059] Specifically, a runner 204d is arranged on one side of the moving column 204a. A reel 204e is fixed on one side of the runner 204d. A pull rope 204f is arranged in the reel 204e. The pull rope 204f is fixed to the top of the pressure plate 201a. A fixed pulley 204g is arranged on one side of the pull rope 204f. The fixed pulley 204g is rotatably connected to the inside of the water tank 102 through a rotating shaft. A protective frame 204h is fixed to the bottom of the transmission pipe 201b.

[0060] A coil spring is fixed on one side of the rotating wheel 204d, one end of which is fixed to the inner wall of the protection frame 204h, and the protection frame 204h is fixed to one side of the water tank 102. The rotating wheel 204d is rotatably connected to the inner wall of the protection frame 204h through a rotating shaft. Teeth are arranged on the rotating wheel 204d, and tooth grooves corresponding to the teeth are opened on one side of the movable column 204a. The teeth on the rotating wheel 204d are meshed with the tooth grooves on the movable column 204a. The movable column 204a is plugged into the top of the protection frame 204h, and the movable column 204a and the protection frame 204h are movably connected. The pull rope 204f is respectively plugged into the water tank 102 and the top of the protection frame 204h, and the pull rope 204f is movably connected to the two. Sealing rings are arranged at the connection between the pull rope 204f and the two to prevent large-scale leakage of seawater.

[0061] When the pressure plate 201a moves to squeeze out the seawater in the water tank 102, the movement of the pressure plate 201a can drive the pull rope 204f to move. At this time, the pull rope 204f can move on the fixed pulley 204g. The setting of the fixed pulley 204g can support the pull rope 204f. The fixed pulley 204g is provided with a groove, and the pull rope 204f slides in the groove. At this time, the setting of the pull rope 204f can drive the reel 204e to rotate. When the reel 204e rotates, a torsional force can be applied to the coil spring, and the rotation of the reel 204e will drive the rotating wheel 20 4d rotates, the rotating wheel 204d drives the teeth to squeeze the tooth grooves, thereby driving the moving column 204a to move, so that the float 103 can expand. When the pressure plate 201a returns to its original position and releases the pulling of the pull rope 204f, the force of the rotation of the winding spring can drive the reel 204e to rotate. The pull rope 204f can be reeled in by the rotation of the reel 204e, and at the same time drive the rotating wheel 204d to rotate so that the moving column 204a drives the moving plate 201d to return to its original position. At this time, the float 103 will shrink and return to its deflated state through its own elasticity for next use.

[0062] Specifically, a one-way tube 204i is fixed to one side of the transmission tube 201b, a baffle 204j is hinged inside the one-way tube 204i, a torsion spring 204k is fixed to one side of the baffle 204j, and one end of the torsion spring 204k is fixed to the inner wall of the one-way tube 204i.

[0063] The one-way tube 204i is fixed in the middle of the transmission tube 201b. One end of the transmission tube 201b is connected to the floating ball 103. When the moving disk 201d moves to make the floating ball 103 expand, the gas will impact the baffle 204j at this time to make it open. When the baffle 204j opens, it can apply a torsional force to the torsion spring 204k. When the moving disk 201d moves to a specified position and stops moving, the gas will stop impacting the baffle 204j. Then the baffle 204j will return to its original position by the restoring force of the torsion spring 204k. The baffle 204j can open to both sides. When the pressing disk 201a returns to its original position, it can drive the moving disk 201d to return to its original position. At this time, the floating ball 103 will shrink back to its deflated state through its own elasticity, and the gas in the floating ball 103 will impact the baffle 204j again to make it open.

[0064] During the expansion and contraction of the floating ball 103, the opening and closing of the baffle 204j can buffer the gas pressure. When the floating ball 103 expands, the gas impacts the baffle 204j to make it gradually open, avoiding sudden release of gas pressure. When the floating ball 103 contracts, the baffle 204j can also control the gas discharge speed to prevent sudden pressure changes, so that the gas can flow out smoothly, avoiding sudden pressure shocks, and thus extending the service life.

[0065] Specifically, after the submersible buoy 101 is placed in the area near the underwater pipeline to be repaired, the position and orientation of the pipeline are located by virtue of the acoustic locator, inertial navigation system, etc. carried by the submersible buoy 101, and then the underwater camera and ultrasonic detector carried are used to detect the damage condition of the pipeline;

[0066] Then, the silt and sundries around the pipeline are cleaned by using a high-pressure water gun and a mechanical dredging device, and the oil stains and rust can also be treated. After that, the repair materials are transported to the repair site through a special material storage tank and conveying system, such as transporting liquid sealant and delivering patches, etc. Then, according to the damage condition, the injection device is used to inject glue to block small holes, and the remotely operated underwater robot cooperates with the submersible buoy to repair large-area damage with composite materials. When it is serious, the pipe section is replaced. Finally, the detection equipment is used to check the repair quality, and real-time monitoring is carried out to ensure that the repair effect is stable and reliable.

[0067] After the submersible buoy 101 is placed in the area near the underwater pipeline to be repaired, first, the position and orientation of the pipeline are located by means of the acoustic locator and inertial navigation system carried by it. Subsequently, the underwater camera and ultrasonic detector are used to detect the damage condition of the pipeline. Next, the silt and sundries around the pipeline are cleaned by using a high-pressure water gun and a mechanical dredging device, and the oil stains and rust are treated. After that, the repair materials are transported to the corresponding position by relying on a special material storage tank and conveying system. For different damage conditions, the injection device is used to inject glue to block small holes, and the remotely operated underwater robot cooperates with the submersible buoy to repair large-area damage with composite materials. When it is serious, the pipe section is replaced. Finally, the detection equipment is used to verify the repair quality, and real-time monitoring is carried out to ensure the stability and reliability of the repair effect, so as to complete the repair work of the underwater pipeline and ensure its normal use in the future.

[0068] In use, first move the pressure plate 201a to the bottom inside the water tank 102, then the floating ball 103 will expand. At this time, lower the submersible buoy 101 into the sea water. As the submersible buoy 101 enters the water, the submersible buoy 101 will cause the water tank 102 to sink into the water due to the gravity of the water tank 102. Then when it is necessary to lower the submersible buoy 101 into the water, start the electric push rod to drive the movement of the pressure plate 201a. At this time, sea water can be conveyed into the water tank 102 through the conveying pipe 201c. During this process, guide the sea water to one side of the impeller 202k through the connecting pipe 203b to make the driving impeller 202k rotate. The rotation of the impeller 202k can drive the rotation of the second bevel gear 202j. The rotation of the second bevel gear 202j drives the rotation of the first bevel gear 202i. Then the first bevel gear 202i can drive the rotation of the second pulley 202h through rotation. The rotation of the second pulley 202h drives the rotation of the belt 202g. Then the belt 202g drives the rotation of the first pulley 202f. The rotation of the first pulley 202f can drive the rotation of the rotating block 202e. When the rotating block 202e rotates, it can slide in the driving groove and squeeze the driving groove to make the driving frame 202d move. At this time, the movement of the driving frame 202d drives the driving groove to squeeze the hinge block 202c to make it rotate reciprocally. Then the rotation of the hinge block 202c can drive the cleaning rod 202b to rotate on one side of the filter screen 202a. When there are larger sundries attached to one side of the filter screen 202a, affecting the entry of sea water, the cleaning rod 202b can clean the larger sundries attached to one side of the filter screen 202a.

[0069] At this time, the sea water is discharged through the connecting pipe 203b on the other side of the transmission frame 203a. When the sea water is discharged through the connecting pipe 203b on the other side of the transmission frame 203a, at this time, it can squeeze the conical block 203d to separate it from the snap ring 203c. When the conical block 203d moves, it can drive the moving strip 203e to move on the orifice plate 203f. At this time, an extrusion force can be applied to the spring 203g. After the conical block 203d is separated from the snap ring 203c, the sea water can be discharged through the connecting pipe 203b. When the sea water stops being conveyed in the connecting pipe 203b, the spring 203g can drive the conical block 203d to re-engage with the snap ring 203c by the elastic force of the spring 203g for the next use. During this process, the sea water can enter the water tank 102. At the same time, the floating ball 103 becomes deflated. Then the water tank 102 can sink underwater due to its own gravity.

[0070] When it is necessary to raise the mooring buoy 101, start the electric push rod to drive the pressure plate 201a to move. At this time, the pressure plate 201a will press down to discharge the water in the water tank 102. At this time, the seawater will be discharged from the transfer pipe 201b. When discharging, the sundries attached to the outside of the filter screen 202a can be pushed out by the water flow. Therefore, it is not necessary to clean it during discharge. When the seawater is discharged from the water tank 102, the seawater will squeeze the other side of the conical block 203d, so that the conical block 203d fits tightly with one side of the snap ring 203c. At this time, it will not be transmitted from the connecting pipe 203b on the other side of the transfer frame 203a, so that the impeller 202k will not rotate, and the seawater will be directly discharged from the transfer pipe 201b.

[0071] At the same time, the movement of the pressure plate 201a can drive the movement of the pull rope 204f. At this time, the pull rope 204f can move on the fixed pulley 204g. Through the setting of the fixed pulley 204g, the pull rope 204f can be supported. Through the movement of the pull rope 204f, the reel 204e can be driven to rotate. When the reel 204e rotates, a torsional force can be applied to the torsion spring. The rotation of the reel 204e will drive the rotation of the runner 204d. The runner 204d drives the teeth to squeeze the tooth grooves, so that the moving column 204a can be driven to move. At this time, through the movement of the moving column 204a, the moving disk 201d can be driven to move. The moving disk 201d moves in the delivery pipe 201c, so that the buoy 103 can be inflated through the delivery pipe 201c. At this time, the seawater in the water tank 102 will be discharged to reduce the weight, and then the buoy 103 can be inflated to raise the mooring buoy 101.

[0072] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. An underwater pipeline repair device, characterized in that: including, a main body component (100), including a submersible buoy (101), a water tank (102) is fixed at the bottom of the submersible buoy (101), and a floating ball (103) is fixed at the top of the submersible buoy (101); an auxiliary component (200), arranged on the water tank (102), including an auxiliary part (201), the auxiliary part (201) includes a pressure plate (201a), the pressure plate (201a) is located inside the water tank (102), a transmission pipe (201b) is fixed on one side of the water tank (102), a delivery pipe (201c) is fixed at the bottom of the floating ball (103), and a moving plate (201d) is arranged inside the delivery pipe (201c).

2. The underwater pipeline repair device according to claim 1, wherein: The auxiliary component (200) further includes a rotating part (202), the rotating part (202) includes a filter screen (202a), the filter screen (202a) is fixed on one side of the transmission pipe (201b), a cleaning rod (202b) is fixed on one side of the filter screen (202a), a hinge block (202c) is fixed at one end of the cleaning rod (202b), a driving frame (202d) is sleeved outside the hinge block (202c), and a rotating block (202e) is arranged at the bottom of the driving frame (202d).

3. The underwater pipeline repair device according to claim 2, wherein: A first pulley (202f) is fixed on one side of the rotating block (202e), a belt (202g) is sleeved outside the first pulley (202f), a second pulley (202h) is arranged inside the belt (202g), a first bevel gear (202i) is fixed on one side of the second pulley (202h), a second bevel gear (202j) is arranged on one side of the first bevel gear (202i), and an impeller (202k) is fixed on one side of the second bevel gear (202j).

4. The underwater pipeline repair device according to claim 3, characterized in that: The auxiliary component (200) further includes a transmission part (203), the transmission part (203) includes a transmission frame (203a), the transmission frame (203a) is fixed on the inner wall of the transmission pipe (201b), and a connecting pipe (203b) is fixed on one side of the transmission frame (203a).

5. The underwater pipeline repair device according to claim 4, characterized in that: A snap ring (203c) is fixed on the inner wall of the connecting pipe (203b), a tapered block (203d) is arranged on one side of the snap ring (203c), and a moving bar (203e) is fixed on one side of the tapered block (203d).

6. The underwater pipeline repair device according to claim 5, characterized in that: A hole plate (203f) is sleeved outside the moving bar (203e), the hole plate (203f) is movably connected with the moving bar (203e), a spring (203g) is fixed on one side of the tapered block (203d), and one end of the spring (203g) is fixed on one side of the hole plate (203f).

7. The underwater pipeline repair device according to claim 6, characterized in that: The auxiliary component (200) further includes a movable part (204), the movable part (204) includes a moving column (204a), the moving column (204a) is fixed at the bottom of the moving plate (201d), a support sleeve (204b) is sleeved outside the moving column (204a), the moving column (204a) is movably connected with the support sleeve (204b), and a positioning plate (204c) is sleeved outside the support sleeve (204b).

8. The underwater pipeline repair device according to claim 7, characterized in that: A runner (204d) is provided on one side of the moving column (204a). A reel (204e) is fixed on one side of the runner (204d). A pulling rope (204f) is arranged inside the reel (204e). The pulling rope (204f) is fixed to the top of the pressure plate (201a). A fixed pulley (204g) is arranged on one side of the pulling rope (204f). The fixed pulley (204g) is rotatably connected to the inside of the water tank (102) through a rotating shaft. A protective frame (204h) is fixed to the bottom of the transmission pipe (201b).

9. The underwater pipeline repair device according to claim 8, characterized in that: A one-way pipe (204i) is fixed to one side of the transmission pipe (201b). A baffle (204j) is hinged inside the one-way pipe (204i). A torsion spring (204k) is fixed to one side of the baffle (204j). One end of the torsion spring (204k) is fixed to the inner wall of the one-way pipe (204i).

10. An underwater pipeline repair method, characterized in that: Comprising the repair device according to any one of claims 1-9, the repair method comprises After the submersible buoy (101) is placed in the area near the underwater pipeline to be repaired, the position and orientation of the pipeline are located by means of the acoustic locator, inertial navigation system, etc. carried by the submersible buoy (101), and then the damage condition of the pipeline is detected by the underwater camera and ultrasonic detector carried. Then, the silt and sundries around the pipeline are cleaned by using a high-pressure water gun and a mechanical dredging device, and the oil stains and rust can also be treated. After that, the repair materials are transported to the repair site through a special material storage tank and conveying system, such as transporting liquid sealant and delivering patches, etc. Then, according to the damage condition, the small holes are sealed with glue by using an injection device, and the large-area damage is repaired with composite materials by relying on a remotely operated underwater vehicle in cooperation with the submersible buoy. When it is serious, the pipe section is replaced. Finally, the repair quality is checked by using a detection device, and the repair effect is monitored in real time to ensure stable and reliable.

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