Underground air and water pipeline sand hole plugging device

Abstract

The utility model discloses a sand hole plugging device for an underground air and water pipeline. The sand hole plugging device comprises two hoops, each group of connecting lugs comprises two connecting lugs, the two groups of connecting lugs are fixedly connected to the surfaces of the two hoops respectively, and through holes are formed in the surfaces of the connecting lugs. According to the sand hole plugging device for the underground air and water pipeline, the surface of the pipeline can be surrounded by the two hoops, the sand hole can be rapidly plugged through the plugging assembly, the plugging effect is good, operation is easy and convenient, the purpose of rapid installation can be achieved, the plugging time is saved, and pipeline operation can be rapidly recovered when needed; the sealing air bag can be automatically bulged through the plugging assembly after the connecting rod is inserted into the trachoma and enters the pipeline, the gap between the connecting rod and the inner wall of the trachoma is filled with the bulged sealing air bag, the plugging effect is further improved, different hole diameters of the trachoma can be adapted, and the plugging effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model discloses pipeline plugging device technical field, especially, it relates to a kind of downhole air and water pipeline sand hole plugging device. BACKGROUND

[0002] Downhole air and water pipeline is prone to running, leaking and dripping during long-term operation due to complex geological conditions, pipeline aging, improper installation or poor maintenance, etc. Micro leaks such as sand holes are a common form of running, leaking and dripping. They not only cause resource waste, but also may cause safety hazards.

[0003] For example, Chinese utility model patent (CN220910829U) discloses a downhole pipeline sand hole plugging device for coal mine. By installing a positioning assembly on the inner wall of the sealing gasket, the sand hole of the pipeline can be positioned to quickly find the sand hole of the pipeline and achieve rapid plugging of the sand hole of the pipeline. When plugging the sand hole of the pipeline, the second elastic mechanism is pressed against the outer wall of the pipeline. The third telescopic rod is compressed by the second elastic mechanism. When the second elastic mechanism is located at the sand hole, the third telescopic rod is extended into the interior of the pipeline by the rebound force of the second elastic mechanism to achieve rapid positioning. At the same time, the sealing gasket plugs the sand hole.

[0004] However, the inventor found the following defects during the implementation of the device: the telescopic rod inserted into the sand hole cannot adapt to the aperture of the sand hole during use of the device. UTILITY MODEL CONTENT

[0005] Therefore, it is necessary to provide a downhole air and water pipeline sand hole plugging device that can automatically adapt to the aperture after the telescopic rod is inserted into the sand hole to improve the plugging effect.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A downhole air and water pipeline sand hole plugging device is applied to downhole air and water pipeline sand hole plugging.

[0008] The sand hole plugging device specifically includes:

[0009] Two clamps;

[0010] Two groups of connecting ears, each group of connecting ears has two, and the two groups of connecting ears are fixedly connected to the surfaces of the two clamps, respectively. Through holes are formed in the surfaces of the connecting ears.

[0011] A plugging assembly is arranged on the surface of one of the clamps, which is used for plugging the sand hole.

[0012] As a preferred implementation form of the downhole air and water pipeline sand hole plugging device provided by the utility model, the plugging assembly comprises a hand screwing part, a threaded rod, a connecting plate and a sealing plate, the hand screwing part is arranged on one side of one of the clamps away from the other clamp, one end of the threaded rod is fixedly connected with the surface of the hand screwing part, the other end of the threaded rod is threadedly penetrated through the clamp and rotationally connected with one side of the connecting plate, and the sealing plate is fixedly connected with one end of the connecting plate away from the threaded rod.

[0013] As a preferred implementation form of the downhole air and water pipeline sand hole plugging device provided by the utility model, two cleaning strips are symmetrically arranged on the surface of the sealing plate.

[0014] As a preferred implementation form of the downhole air and water pipeline sand hole plugging device provided by the utility model, two guide rods are symmetrically arranged on the surface of the connecting plate, and the other end of the guide rod is penetrated through the adjacent clamp.

[0015] As a preferred implementation form of the downhole air and water pipeline sand hole plugging device provided by the utility model, the plugging assembly further comprises a connecting cavity, a sliding plate, a connecting rod and a spring, the connecting cavity is arranged in the threaded rod, the sliding plate is slidingly connected in the connecting cavity, one end of the spring is fixedly connected with the surface of the sliding plate, the other end of the spring is fixedly connected with the inner wall of the connecting cavity, one end of the connecting rod is fixedly connected with the surface of the sliding plate, and the other end of the connecting rod is sequentially penetrated through the threaded rod, the connecting plate and the sealing plate and extended to the outside of the sealing plate.

[0016] As a preferred implementation form of the downhole air and water pipeline sand hole plugging device provided by the utility model, the plugging assembly further comprises a sealing air bag, a connecting pipe, a connecting channel and a through hole, the sealing air bag is embeddedly arranged on the surface of one end of the connecting rod away from the sliding plate, the connecting channel is arranged in the connecting rod, the through hole is arranged on the surface of the connecting rod and connected with the connecting channel, the connecting pipe is arranged in the sealing air bag and connected with the sealing air bag, and the other end of the connecting pipe is connected with the connecting channel.

[0017] As a preferred implementation form of the downhole air and water pipeline sand hole plugging device provided by the utility model, inert gas is filled between the side of the sliding plate close to the connecting rod and the inner wall of the connecting cavity.

[0018] As a preferred implementation form of the downhole air and water pipeline sand hole plugging device provided by the utility model, the side of one group of the connecting ears close to the other group of the connecting ears is fixedly connected with a cannula, and the outer diameter of the cannula is equal to the hole diameter of the penetrating hole.

[0019] As a preferred embodiment of the downhole air and water pipeline sand hole plugging device provided by the utility model, the surface of the cannula is embedded with uniformly distributed magnets, and the connecting ears are ferromagnetic metal material members.

[0020] As a preferred embodiment of the downhole air and water pipeline sand hole plugging device provided by the utility model, the sand hole plugging device further comprises connecting bolts and fastening nuts, the connecting bolts are used for penetrating through the through holes to cooperate with the fastening nuts to limit the two clamps.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The utility model provides can two clamps embrace the surface of the pipeline, utilize the plugging assembly realizes the quick plugging of sand hole, and the plugging effect is good, and the operation is simple, can realize the purpose that quick installation is realized, saves the plugging time, and can quickly restore the pipeline operation when needed.

[0023] The plugging assembly can automatically inflate the sealing air bag after the connecting rod is inserted into the sand hole and enters the pipeline, and the inflated sealing air bag fills the gap between the connecting rod and the inner wall of the sand hole, further improving the plugging effect, and can adapt to different hole diameters of the sand hole, improving the plugging effect.

[0024] When the rotating clamp searches for the sand hole, the cleaning strip can clean the surface of the pipeline, facilitating subsequent positioning of the sand hole.

[0025] After the cannula is inserted into the through hole, it is fixed to the inner wall of the hole through the adsorption of the magnet, realizing the quick preliminary connection of the clamp. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0027] Figure 1 The structure schematic view of the downhole air and water pipeline sand hole plugging device provided by the utility model is shown in the figure.

[0028] Figure 2 The exploded view of the downhole air and water pipeline sand hole plugging device provided by the utility model is shown in the figure.

[0029] Figure 3 The connection schematic view of the magnet and the cannula provided by the utility model is shown in the figure.

[0030] Figure 4 For Figure 1A-A' section view along the line A-A' of the figure.

[0031] The figure marks are explained as follows:

[0032] The clamp 1, the connecting lug 101, the connecting bolt 102, the through hole 103, the fastening nut 104, the insertion pipe 105, the magnet 106;

[0033] The plugging assembly 2, the hand screw part 201, the threaded rod 202, the connecting cavity 203, the guide rod 204, the connecting plate 205, the sliding plate 206, the cleaning strip 207, the sealing plate 208, the sealing air bag 209, the connecting rod 210, the connecting pipe 211, the connecting channel 212, the spring 213, the through hole 214. DETAILED DESCRIPTION

[0034] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0035] As described in the background, the telescopic rod inserted into the sand hole during the use of the device cannot adapt to the aperture of the sand hole.

[0036] In order to solve the technical problem, the utility model provides a downhole air and water pipeline sand hole plugging device, which applies downhole air and water pipeline sand hole plugging.

[0037] Specifically, please refer to Figures 1-4 Two clamps 1;

[0038] Two groups of connecting lugs 101, the number of connecting lugs 101 in each group is two, and the two groups of connecting lugs 101 are fixedly connected to the surfaces of the two clamps 1 respectively, and the surface of the connecting lug 101 is provided with a through hole 103;

[0039] The plugging assembly 2 is arranged on the surface of one of the clamps 1, and is used for plugging the sand hole.

[0040] The downhole air and water pipeline sand hole plugging device provided by the utility model can embrace the surface of the pipeline with two clamps 1, realize rapid plugging of the sand hole by using the plugging assembly 2, has good plugging effect, is simple and easy to operate, can realize the purpose of rapid installation, saves plugging time, and can quickly restore the pipeline operation when needed.

[0041] In order for the person skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings.

[0042] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0043] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0044] Embodiment 1

[0045] Please refer to Figure 1 , 2 , 4, a sand hole plugging device for downhole air and water pipeline, the plugging assembly 2 comprises a hand screw part 201, a threaded rod 202, a connecting plate 205 and a sealing plate 208, the hand screw part 201 is arranged on one side of one of the clamps 1 away from the other clamp 1, one end of the threaded rod 202 is fixedly connected with the surface of the hand screw part 201, the other end of the threaded rod 202 is threadedly penetrated through the clamp 1 and rotationally connected with one side of the connecting plate 205, and the sealing plate 208 is fixedly connected with one end of the connecting plate 205 away from the threaded rod 202. Specifically, rotating the threaded rod 202 can drive the connecting plate 205 to move towards the pipeline, so that the sealing plate 208 is tightly attached to the surface of the pipeline, thereby achieving the plugging of the sand hole, and the operation is simple and convenient.

[0046] Please refer to Figure 4 , the surface of the sealing plate 208 is embeddedly installed with two symmetrical cleaning strips 207, the surface of the connecting plate 205 is fixedly connected with two symmetrical guide rods 204, the other end of the guide rod 204 penetrates out of the adjacent clamp 1, and the surface of the hand screw part 201 is provided with anti-skid lines. Specifically, in the process of rotating the threaded rod 202 to drive the connecting plate 205 to tightly attach to the surface of the pipeline, the guide rod 204 can limit the moving direction of the connecting plate 205, so that the rotation of the threaded rod 202 does not drive it to rotate together, and the cleaning strip 207 can be arranged to clean the surface of the pipeline after the two clamps 1 are connected and the sealing plate 208 is attached to the surface of the pipeline by rotating the threaded rod 202, and then the position of the connecting plate 205 is changed by rotating, so that the surface of the pipeline can be cleaned under the action of the cleaning strip 207.

[0047] The sand hole plugging device provided in the embodiment can clean the surface of the pipeline by rotating, facilitate the search for the position of the sand hole, and improve the plugging efficiency.

[0048] Embodiment 2

[0049] The downhole air and water pipeline sand hole plugging device provided in Embodiment 1 is further optimized, and specifically, as shown in Figure 4 The plugging assembly 2 further comprises a connecting cavity 203, a sliding plate 206, a connecting rod 210 and a spring 213. The connecting cavity 203 is arranged in the interior of the threaded rod 202. The sliding plate 206 is slidingly connected to the interior of the connecting cavity 203. One end of the spring 213 is fixedly connected to the surface of the sliding plate 206, and the other end of the spring 213 is fixedly connected to the inner wall of the connecting cavity 203. One end of the connecting rod 210 is fixedly connected to the surface of the sliding plate 206, and the other end of the connecting rod 210 penetrates the threaded rod 202, the connecting plate 205 and the sealing plate 208 in sequence and extends to the outside of the sealing plate 208.

[0050] Through the above structural design, the connecting rod 210 can be shrunk into the interior of the connecting cavity 203 and the spring 213 can be compressed by using the pipeline surface to press the connecting rod 210 in the process of rotating the threaded rod 202 to drive the sealing plate 208 to be attached to the surface of the pipeline. When the connecting rod 210 moves to the sand hole in the process of cleaning the surface of the pipeline by the clamp 1, the connecting rod 210 can be inserted into the interior of the sand hole to achieve plugging of the sand hole under the action of the spring 213, thereby effectively improving the plugging effect in cooperation with the sealing plate 208 and reducing the phenomena of sand hole running, bleeding, dripping and leaking.

[0051] Embodiment 3

[0052] The downhole air and water pipeline sand hole plugging device provided in Embodiment 1 or 2 is further optimized, and specifically, as shown in Figure 1 and 4 The plugging assembly 2 further comprises a sealing air bag 209, a connecting pipe 211, a connecting channel 212 and a through hole 214. The sealing air bag 209 is embeddedly installed on the surface of one end of the connecting rod 210 away from the sliding plate 206. The connecting channel 212 is arranged in the interior of the connecting rod 210. The through hole 214 is arranged on the surface of the connecting rod 210 and communicates with the connecting channel 212. The connecting pipe 211 is arranged on the inner side of the sealing air bag 209 and communicates with the sealing air bag 209. The other end of the connecting pipe 211 communicates with the connecting channel 212. Inert gas is filled between the side of the sliding plate 206 close to the connecting rod 210 and the inner wall of the connecting cavity 203.

[0053] In the process of inserting the connecting rod 210 into the sand hole, the sliding plate 206 can be driven to move synchronously, the inert gas in the connecting cavity 203 is extruded from the sliding plate 206, the inert gas enters the inside of the connecting channel 212 through the through hole 214, and then the inert gas is injected into the inside of the sealing air bag 209 under the communication of the connecting channel 212 and the connecting pipe 211, so that the sealing air bag 209 is inflated, the space between the connecting rod 210 and the inner wall of the sand hole is filled by the inflated sealing air bag 209, and the plugging effect is further improved.

[0054] Embodiment 4

[0055] The sand hole plugging device provided in the above embodiments is further optimized, as shown in Figure 1 and Figure 2 One side of one group of the connecting ears 101 is fixedly connected with a cannula 105, the outer diameter of the cannula 105 is equal to the hole diameter of the through hole 103, the surface of the cannula 105 is embeddedly installed with uniformly distributed magnets 106, the connecting ear 101 is a ferromagnetic metal material member, the sand hole plugging device further comprises a connecting bolt 102 and a fastening nut 104, the connecting bolt 102 is used for penetrating through the through hole 103 to limit the two clamps 1 in cooperation with the fastening nut 104, when the two clamps 1 are butted, the cannula 105 can be inserted into the inside of the through hole 103 and adsorbed on the inner wall of the through hole 103 through the magnets 106, so that the initial connection is realized, and the subsequent connecting bolt 102 is sequentially penetrated through the cannula 105 and the through hole 103 to limit the two clamps 1 in cooperation with the fastening nut 104.

[0056] The use process of the sand hole plugging device is as follows: the two clamps 1 embrace the pipeline and are butted, in the process, the cannula 105 can be inserted into the inside of the through hole 103 and adsorbed on the inner wall of the through hole 103 through the magnets 106, so that the initial connection is realized, and the subsequent connecting bolt 102 is sequentially penetrated through the cannula 105 and the through hole 103 to limit the two clamps 1 in cooperation with the fastening nut 104, after the connection is completed, the threaded rod 202 is rotated to drive the sealing plate 208 to be attached to the surface of the pipeline, and the connected clamp 1 is rotated to clean the surface of the pipeline and find the sand hole, when the connecting rod 210 moves to the sand hole, the connecting rod 210 can be driven to be inserted into the inside of the sand hole under the action of the spring 213 to realize the plugging of the sand hole, the sealing plate 208 is cooperated to effectively improve the plugging effect, the phenomena of running, bleeding, dripping and leaking of the sand hole are reduced, and the space between the connecting rod 210 and the inner wall of the sand hole can be filled by the inflated sealing air bag 209, so that the plugging effect is further improved.

[0057] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation, unless another definite limitation.For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned terms in the utility model according to specific circumstances.

[0058] Obviously, the above-described embodiments are only a part of the embodiments of the utility model, and not all the embodiments, and the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model.The utility model can be realized in many different forms, and contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive.Although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing each specific embodiment can be modified, or part of the technical features can be replaced equivalently.For equivalent structure made by using the contents of the utility model specification and drawings, direct or indirect use in other related technical fields, are also within the patent protection range of the utility model.

Claims

1. A downhole air and water line leak sealing device, characterized in that, It includes Two clamps (1); Two groups of connecting ears (101), each group of connecting ears (101) is two, two groups of connecting ears (101) are fixedly connected to the surface of two clamps (1), and the surface of the connecting ear (101) is provided with a through hole (103); The plugging assembly (2) is arranged on the surface of one of the clamps (1), and is used for plugging the sand eye.

2. The sand hole sealing device for downhole air and water pipeline according to claim 1, characterized in that, The plugging assembly (2) includes a hand screw part (201), a threaded rod (202), a connecting plate (205) and a sealing plate (208), the hand screw part (201) is arranged on one side of one of the clamps (1) away from the other clamp (1), one end of the threaded rod (202) is fixedly connected with the surface of the hand screw part (201), the other end of the threaded rod (202) is threadedly penetrated through the clamp (1) and rotationally connected with one side of the connecting plate (205), and the sealing plate (208) is fixedly connected with one end of the connecting plate (205) away from the threaded rod (202).

3. The sand hole sealing device for downhole air and water pipeline according to claim 2, characterized in that, The surface of the sealing plate (208) is embedded with two symmetrical cleaning strips (207).

4. The downhole air and water line leak sealing device of claim 2, wherein, The surface of the connecting plate (205) is fixedly connected with two symmetrical guide rods (204), and the other end of the guide rod (204) penetrates out of the adjacent clamp (1).

5. The downhole air and water line leak sealing device of claim 2, wherein, The plugging assembly (2) further includes a connecting cavity (203), a sliding plate (206), a connecting rod (210) and a spring (213), the connecting cavity (203) is arranged in the threaded rod (202), the sliding plate (206) is slidably connected in the connecting cavity (203), one end of the spring (213) is fixedly connected with the surface of the sliding plate (206), the other end of the spring (213) is fixedly connected with the inner wall of the connecting cavity (203), one end of the connecting rod (210) is fixedly connected with the surface of the sliding plate (206), and the other end of the connecting rod (210) penetrates through the threaded rod (202), the connecting plate (205) and the sealing plate (208) in sequence and extends to the outside of the sealing plate (208).

6. A downhole air and water line leak sealing device according to claim 5, wherein, The plugging assembly (2) further includes a sealing air bag (209), a connecting pipe (211), a connecting channel (212) and a through hole (214), the sealing air bag (209) is embeddedly arranged on the surface of one end of the connecting rod (210) away from the sliding plate (206), the connecting channel (212) is arranged in the connecting rod (210), the through hole (214) is arranged on the surface of the connecting rod (210) and communicates with the connecting channel (212), the connecting pipe (211) is arranged in the sealing air bag (209) and communicates with the sealing air bag (209), and the other end of the connecting pipe (211) communicates with the connecting channel (212).

7. A downhole air and water line leak sealing device according to claim 6, characterized in that The side of the sliding plate (206) close to the connecting rod (210) is filled with inert gas between the inner wall of the connecting cavity (203).

8. The downhole air and water line leak sealing device of claim 1, wherein, One group of the connecting ears (101) is fixedly connected with a cannula (105) on one side close to another group of the connecting ears (101), the outer diameter of the cannula (105) is equal to the hole diameter of the through hole (103).

9. A downhole air and water line leak sealing device according to claim 8, characterized in that The surface of the cannula (105) is embeddedly installed with uniformly distributed magnets (106), and the connecting ear (101) is a ferromagnetic metal material member.

10. The downhole air and water line leak sealing device of claim 1, wherein, The trachoma plugging device further comprises a connecting bolt (102) and a fastening nut (104), the connecting bolt (102) is used for penetrating through the through hole (103) to cooperate with the fastening nut (104) to limit the two clamps (1).

Images