Pipeline plugging device

Abstract

The pipeline plugging device comprises a plugging sleeve, a plugging fixing mechanism and a plugging reinforcing mechanism, one end of the plugging sleeve is open, the other end of the plugging sleeve is closed, and the plugging sleeve is used for being arranged at one end of a pipeline body in a sleeving mode and used for sealing a pipe opening of the pipeline body; the plugging fixing mechanism is fixedly installed on the plugging sleeve and used for fixing the plugging sleeve to the pipeline body. The plugging reinforcing mechanism is installed on the plugging sleeve and used for clamping the pipeline body. The pipeline has the advantages of being simple in structure, reasonable in design, convenient to use and high in installation efficiency, blocking the pipe opening of the pipeline body through the blocking sleeve, connecting the pipeline to the air outlet pipe and opening the valve after the blocking sleeve is installed and the air bag is not inflated. Therefore, blocking maintenance can be realized without influencing the smoothness of the pipeline, and the condition that the pipeline can only be completely closed during blocking maintenance is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of oil and gas storage and transportation, and in particular to a pipeline plugging device. Background Art

[0002] Pipelines are an important part of urban infrastructure construction. They are highly efficient and convenient in transporting oil, water, gas, etc., and are closely related to people's lives. With the large-scale laying of pipelines, pipeline failures also occur from time to time. At present, in the process of municipal rerouting and emergency repair involved in urban pipeline projects, for pipelines that need to be blocked, the existing methods of blocking pipelines are mainly tapping and assembling plugs, end face welding, or clamp blocking. The pipeline pluggers in the prior art have the following problems:

[0003] 1. A large number of bolts are required for installation, which leads to low installation efficiency. In addition, due to their small size, the bolts are easily lost during carrying, which affects the installation work.

[0004] 2. After the pipeline is blocked with a plugging device, the oil and gas in the pipeline cannot flow, and the normal supply of oil and gas cannot be guaranteed during the period of pipeline blocking and maintenance. Utility Model Content

[0005] The utility model provides a pipeline plugging device, aiming to solve the problems in the prior art.

[0006] The technical solution of the utility model to solve the above technical problems is as follows:

[0007] A pipeline plugger comprises a plugging sleeve, a plugging fixing mechanism and a plugging reinforcement mechanism. The plugging sleeve has an open end and a closed end, and is used to be sleeved on one end of a pipeline body and to seal the pipe opening of the pipeline body; the plugging fixing mechanism is fixedly installed on the plugging sleeve and is used to fix the plugging sleeve on the pipeline body; the plugging reinforcement mechanism is installed on the plugging sleeve and is used to clamp the pipeline body.

[0008] The beneficial effect of the utility model is that during use, the sealing sleeve is used to seal the pipe opening of the pipeline main body, and the sealing sleeve is fixed by the sealing fixing mechanism and the sealing reinforcement mechanism, thereby ensuring the pipeline sealing effect.

[0009] The utility model has the advantages of simple structure and reasonable design, utilizes the sealing sleeve to seal the pipe opening of the pipeline main body, is easy to use and has high installation efficiency.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the blocking and fixing mechanism includes a screw, two sliding blocks and two pressure plates. The screw passes through the center of the blocking sleeve along the axial direction of the blocking sleeve, and the thread directions of its two ends are opposite; the two sliding blocks are respectively threadedly sleeved on the two ends of the screw, and are respectively located in the pipeline body; the two pressure plates are relatively installed in the pipeline body, and are located on both sides of the screw and are respectively distributed parallel to the screw; the two pressure plates are rotatably connected to the two sliding blocks through two rotating components.

[0012] The beneficial effect of adopting the above-mentioned further scheme is that during the fixing process, the two sliding blocks can be moved closer to or away from each other by methods that can be thought of by technicians in this field, such as manually rotating the screw rod, and utilizing the opposite directions of the threads at both ends of the screw rod, so that the two sliding blocks drive the two pressure plates to move closer to or away from each other, so that the two pressure plates are tightly attached to the inner wall of the pipeline body or separated from the inner wall of the pipeline body, thereby fixing or loosening the sealing sleeve, which is easy to operate and saves time and effort.

[0013] Furthermore, one end of the screw rod extends to the outside of the other end of the blocking sleeve and is fixedly connected to a rotating shaft, and a handle is fixedly connected to the rotating shaft.

[0014] The beneficial effects of adopting the above further scheme are simple structure, reasonable design, manual use of the handle to rotate the above rotating shaft, the rotating shaft drives the screw to rotate, easy operation, saving time and effort.

[0015] Furthermore, each of the rotating components includes a rotating rod, a first rotating seat and a second rotating seat, and the first rotating seat and the second rotating seat are respectively fixedly mounted on the corresponding sliding block and the pressure plate; the two ends of the rotating rod are respectively rotatably connected to the first rotating seat and the second rotating seat through a rotating shaft.

[0016] The beneficial effects of adopting the above further solution are simple structure and reasonable design. The pressure plate is rotatably connected to the two sliding blocks respectively by two rotating rods, thereby realizing the expansion or folding of the two pressure plates.

[0017] Furthermore, the pipeline body is installed with an airbag blocking mechanism, and the airbag blocking mechanism is used to completely block the pipeline body when pipeline transportation is not required.

[0018] The beneficial effect of adopting the above further scheme is that after the sealing sleeve is installed and the airbag sealing mechanism is not inflated, the pipeline can be connected to the air outlet pipe and the valve can be opened, so that the sealing maintenance can be achieved without affecting the smooth flow of the pipeline, avoiding the situation where the pipeline can only be completely closed during sealing maintenance.

[0019] Furthermore, the screw rod is a hollow screw rod, and a trachea groove with both ends open is provided inside the screw rod; the airbag sealing mechanism includes an airbag and an air pipe, and the air pipe runs through the trachea groove; the airbag is located in the pipeline body, and is located at the other end of the hollow screw rod; the airbag is connected to one end of the air pipe; and an air intake valve is fixedly installed on the other end of the air pipe.

[0020] The beneficial effect of adopting the above further solution is that the gas is filled into the plugger through the air inlet valve, so that the gas can enter the airbag through the air delivery pipe to prop up the airbag, so that the inside of the pipeline body is blocked after the airbag is expanded, and the pipeline can be completely blocked when pipeline transportation is not required;

[0021] In addition, the structure of the hollow screw is reasonably designed so that the rotating shaft and the hollow screw do not affect the gas pipe when rotating.

[0022] Furthermore, the other end of the hollow screw is rotatably connected to a baffle, and both sides of the hollow screw are fixedly connected to limiting rods, and the ends of the two limiting rods away from the sealing sleeve are respectively fixedly connected to the baffle; the sides of the two limiting rods away from each other are relatively slidably connected to limiting sliders, and the two limiting sliders are respectively fixedly connected to the two sliding blocks.

[0023] The beneficial effect of adopting the above further scheme is that when the sliding block slides, the limit rods and limit sliders on both sides of the sliding block can limit the sliding block, thereby preventing the sliding block from rotating together with the hollow screw rod, thereby achieving the effect that the two sliding blocks can move toward the middle of the hollow screw rod when the hollow screw rod rotates.

[0024] Furthermore, the plugging and reinforcing mechanism comprises a plurality of plugging and reinforcing components, and the plurality of plugging and reinforcing components are evenly spaced and installed on the plugging sleeve along the circumference of the plugging sleeve, and are respectively used to clamp the pipeline body.

[0025] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and utilizing multiple plugging reinforcement components to clamp the pipeline body so as to fix the plugging sleeve on the pipeline body, thereby ensuring the plugging effect of the pipeline body.

[0026] Furthermore, each of the blocking reinforcement components includes a fixing frame, a threaded rod and a clamping plate, wherein the fixing frame is fixedly mounted on the blocking sleeve; the threaded rod is threadedly mounted on the fixing frame and extends radially along the blocking sleeve; and the clamping plate is fixedly mounted on one end of the threaded rod.

[0027] The beneficial effect of adopting the above further scheme is that after the sealing sleeve is installed through the sealing fixing mechanism, the threaded rod can be rotated again so that the threaded rod moves downward under the action of the nut seat, thereby pushing the clamping plate to squeeze the outer wall of the pipeline body, and then achieving the clamping effect on both sides with the cooperation of the pressure plate, thereby improving the installation effect of the sealing sleeve.

[0028] Furthermore, the other end of the blocking sleeve is connected to an air outlet pipe, and a valve is fixedly installed on the air outlet pipe.

[0029] The beneficial effect of adopting the above-mentioned further scheme is that through the setting of the air outlet pipe and the valve, after the sealing sleeve is installed and the air bag is not inflated, the pipeline can be connected to the air outlet pipe and the valve can be opened, so that the sealing maintenance can be achieved without affecting the smooth flow of the pipeline, avoiding the situation where the pipeline can only be completely closed during sealing maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is the front view of the utility model;

[0031] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0032] Figure 3 for Figure 2 A magnified view of middle;

[0033] Figure 4 It is a side view of the utility model;

[0034] Figure 5 for Figure 4 Enlarged view of B.

[0035] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0036] 1. Pipeline body; 2. Sealing sleeve; 3. Sealing fixing mechanism; 301. Hollow screw rod; 302. Baffle; 303. Sliding block; 304. Limit rod; 305. Limit slider; 306. First rotating seat; 307. Rotating rod; 308. Second rotating seat; 309. Pressing plate; 310. Rotating shaft; 311. Handle; 4. Airbag sealing mechanism; 401. Air pipe groove; 402. Air supply pipe; 403. Inlet valve; 404. Airbag; 5. Sealing reinforcement mechanism; 501. Fixing frame; 502. Nut seat; 503. Threaded rod; 504. Pressing plate; 6. Air outlet pipe; 601. Valve. DETAILED DESCRIPTION

[0037] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0038] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0039] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0040] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0041] Example 1

[0042] like Figures 1 to 5 As shown, this embodiment provides a pipeline plugging device, including a plugging sleeve 2, a plugging fixing mechanism 3 and a plugging reinforcement mechanism 5. The plugging sleeve 2 is open at one end and closed at the other end, and is used to be sleeved on one end of a pipeline body 1 and to seal the pipe opening of the pipeline body 1; the plugging fixing mechanism 3 is fixedly installed on the plugging sleeve 2, and is used to fix the plugging sleeve 2 on the pipeline body 1; the plugging reinforcement mechanism 5 is installed on the plugging sleeve 2, and is used to clamp the pipeline body 1.

[0043] During use, the blocking sleeve 2 is used to block the pipe opening of the pipeline body 1, and the blocking fixing mechanism 3 and the blocking reinforcement mechanism 5 are used to fix the blocking sleeve 2 to ensure the pipeline blocking effect.

[0044] Preferably, in this embodiment, the pipeline body 1 is preferably a circular tubular structure.

[0045] In addition, the plugging sleeve 2 is preferably of a cylindrical structure, and when it is sleeved on the pipeline body 1 , the inner wall of the plugging sleeve 2 fits with the outer wall of the pipeline body 1 .

[0046] This embodiment has a simple structure and a reasonable design. The plugging sleeve 2 is used to plug the pipe opening of the pipeline body 1. It is easy to use and has high installation efficiency.

[0047] Example 2

[0048] On the basis of Example 1, in this embodiment, the blocking and fixing mechanism 3 includes a screw, two sliding blocks 303 and two pressure plates 309. The screw runs through the center of the blocking sleeve 2 along the axial direction of the blocking sleeve 2, and the thread directions of its two ends are opposite; the two sliding blocks 303 are respectively threadedly sleeved on the two ends of the screw, which are respectively located in the pipeline body 1; the two pressure plates 309 are relatively installed in the pipeline body 1, which are located on both sides of the screw and are respectively distributed parallel to the screw; the two pressure plates 309 are rotatably connected to the two sliding blocks 303 through two rotating components.

[0049] During the fixing process, the two sliding blocks 303 are moved closer to or away from each other by methods that can be thought of by those skilled in the art, such as manually rotating the screw and utilizing the opposite directions of the threads at both ends of the screw, so that the two sliding blocks 303 drive the two pressure plates 309 to move closer to or away from each other, so that the two pressure plates 309 are closely attached to the inner wall of the pipe body 1 or separated from the inner wall of the pipe body 1, thereby fixing or loosening the sealing sleeve 2, which is easy to operate and saves time and effort.

[0050] Preferably, in this embodiment, the two sliding blocks 303 are preferably cylindrical blocks.

[0051] In addition, the two pressing plates 309 are preferably arc-shaped plates that match the shape of the pipeline body 1.

[0052] Example 3

[0053] On the basis of Example 2, in this embodiment, one end of the screw rod extends to the outside of the other end of the blocking sleeve 2 and is fixedly connected to a rotating shaft 310 , and a handle 311 is fixedly connected to the rotating shaft 310 .

[0054] The solution has a simple structure and a reasonable design. The rotating shaft 310 is manually rotated by using the handle 311, and the rotating shaft 310 drives the screw rod to rotate. The operation is simple, time-saving and labor-saving.

[0055] Preferably, in this embodiment, the rotating shaft 310 is preferably a cylindrical structure.

[0056] In addition, the handle 311 is preferably a straight rod structure, the center of which is fixedly sleeved on the rotating shaft 310 and is provided with a through hole that matches the rotating shaft 310.

[0057] Example 4

[0058] Based on any one of Examples 2 to 3, in this embodiment, each of the rotating components includes a rotating rod 307, a first rotating seat 306 and a second rotating seat 308, and the first rotating seat 306 and the second rotating seat 308 are respectively fixedly mounted on the corresponding sliding block 303 and the pressure plate 309; the two ends of the rotating rod 307 are respectively rotatably connected to the first rotating seat 306 and the second rotating seat 308 through a rotating shaft.

[0059] This solution has a simple structure and a reasonable design. The pressing plate 309 is rotatably connected to the two sliding blocks 303 by two rotating rods 307 , thereby realizing the expansion or folding of the two pressing plates 309 .

[0060] Preferably, in this embodiment, each of the rotating rods 307 is preferably a straight rod structure.

[0061] In addition, the first rotating seat 306 and the second rotating seat 308 are respectively composed of a pair of fixed plates, and each pair of fixed plates is relatively fixedly arranged.

[0062] Example 5

[0063] On the basis of any one of Examples 2 to 4, in this embodiment, the pipeline body 1 is installed with an airbag blocking mechanism 4, and the airbag blocking mechanism 4 is used to completely block the pipeline body 1 when pipeline transportation is not required.

[0064] After the sealing sleeve 2 is installed and the airbag sealing mechanism 4 is not inflated, the pipeline can be connected to the air outlet pipe 6 and the valve 601 can be opened to achieve the effect of sealing maintenance without affecting the smooth flow of the pipeline, avoiding the situation where the pipeline can only be completely closed during sealing maintenance.

[0065] Example 6

[0066] On the basis of Example 5, in this embodiment, the screw rod is a hollow screw rod 301, which is provided with a trachea groove 401 with both ends open; the airbag sealing mechanism 4 includes an airbag 404 and an air pipe 402, and the air pipe 402 passes through the trachea groove 401; the airbag 404 is located in the pipeline body 1, which is located at the other end of the hollow screw rod 301; the airbag 404 is connected to one end of the air pipe 402; and the other end of the air pipe 402 is fixedly installed with an intake valve 403.

[0067] In this solution, gas is filled into the plugger through the air inlet valve 403, so that the gas can enter the airbag 404 through the air delivery pipe 402 to prop up the airbag 404, so that the inside of the pipeline body 1 is blocked after the airbag 404 expands, achieving the effect of completely blocking the pipeline when pipeline transportation is not required;

[0068] In addition, the structure of the hollow screw 301 is reasonably designed so that the rotating shaft 310 and the hollow screw 301 do not affect the gas pipe 402 when rotating.

[0069] Preferably, in this embodiment, the size of the gas delivery pipe 402 is smaller than the size of the gas pipe groove 401 .

[0070] Example 7

[0071] On the basis of Example 6, in this embodiment, the other end of the hollow screw rod 301 is rotatably connected to the baffle 302, and the two sides of the hollow screw rod 301 are fixedly connected to the limiting rods 304, and the ends of the two limiting rods 304 away from the sealing sleeve 2 are respectively fixedly connected to the baffle 302; the sides of the two limiting rods 304 away from each other are relatively slidably connected to the limiting sliders 305, and the two limiting sliders 305 are respectively fixedly connected to the two sliding blocks 303.

[0072] When the sliding block 303 slides, the limit rods 304 and limit sliders 305 on both sides of the sliding block 303 can limit the sliding block 303, thereby preventing the sliding block 303 from rotating together with the hollow screw 301, thereby achieving the effect that the two sliding blocks 303 can move toward the middle of the hollow screw 301 when the hollow screw 301 rotates.

[0073] Preferably, in this embodiment, the baffle 302 is preferably a circular plate.

[0074] Example 8

[0075] On the basis of the above embodiments, in this embodiment, the plugging reinforcement mechanism 5 includes a plurality of plugging reinforcement components, which are evenly spaced and installed on the plugging sleeve 2 along the circumference of the plugging sleeve 2 and are respectively used to clamp the pipe body 1.

[0076] This solution has a simple structure and a reasonable design. It uses multiple plugging reinforcement components to clamp the pipeline body 1 so as to fix the plugging sleeve 2 on the pipeline body 1 to ensure the plugging effect of the pipeline body 1.

[0077] Preferably, in this embodiment, there are preferably four of the above-mentioned plugging reinforcement components, and the four plugging reinforcement components are opposite to each other in pairs and distributed in a cross shape at the open end of the plugging sleeve 2.

[0078] Example 9

[0079] On the basis of Example 8, in this embodiment, each of the blocking reinforcement components includes a fixing frame 501, a threaded rod 503 and a clamping plate 504, the fixing frame 501 is fixedly mounted on the blocking sleeve 2; the threaded rod 503 is threadedly mounted on the fixing frame 501, and extends radially along the blocking sleeve 2; the clamping plate 504 is fixedly mounted on one end of the threaded rod 503.

[0080] Preferably, in this embodiment, a nut seat 502 is fixedly installed in the middle of the above-mentioned fixing frame 501, a screw hole is provided on the nut seat 502, and a round hole connected to the above-mentioned screw hole is provided on the fixing frame 501, a threaded rod 503 passes through the screw hole and the round hole, and the threaded rod 503 is threadedly connected to the screw hole.

[0081] When the blocking sleeve 2 is installed through the blocking fixing mechanism 3, the threaded rod 503 can be rotated again, so that the threaded rod 503 moves downward under the action of the nut seat 502, thereby pushing the clamping plate 504 to squeeze the outer wall of the pipeline body 1, and then achieving the clamping effect on both sides in cooperation with the pressure plate 309, thereby improving the installation effect of the blocking sleeve 2.

[0082] Preferably, in this embodiment, the fixing frame 501 is preferably an L-shaped frame, one end of which extends along the radial direction of the blocking sleeve 2 and is fixedly connected to the open end of the blocking sleeve 2 , and the other end of which extends along the axial direction of the blocking sleeve 2 .

[0083] In addition, the threaded rod 503 is in a T-shaped structure.

[0084] Example 10

[0085] On the basis of the above embodiments, in this embodiment, the other end of the blocking sleeve 2 is connected to an air outlet pipe 6 , and a valve 601 is fixedly installed on the air outlet pipe 6 .

[0086] Through the arrangement of the air outlet pipe 6 and the valve 601, after the sealing sleeve 2 is installed and the air bag 404 is not inflated, the pipeline can be connected to the air outlet pipe 6 and the valve 601 can be opened, so that the sealing maintenance can be achieved without affecting the smooth flow of the pipeline, thus avoiding the situation where the pipeline can only be completely closed during sealing maintenance.

[0087] The working principle of the utility model is as follows:

[0088] During use, the plugging sleeve 2 is sleeved on the pipe opening of the pipeline body 1, and the rotating shaft 310 is manually rotated by using a handle, so that the rotating shaft 310 drives the screw rod to rotate, and the two sliding blocks 303 are moved closer to or away from each other by using the opposite directions of the threads at both ends of the screw rod, so that the two sliding blocks 303 drive the two pressing plates 309 to move closer to or away from each other, so that the two pressing plates 309 are closely attached to the inner wall of the pipeline body 1 or separated from the inner wall of the pipeline body 1, thereby fixing or loosening the plugging sleeve 2;

[0089] When the plugging sleeve 2 is installed through the plugging fixing mechanism 3, the threaded rod 503 can be rotated again, so that the threaded rod 503 moves downward under the action of the nut seat 502, thereby pushing the clamping plate 504 to squeeze the outer wall of the pipeline body 1, and then the clamping effect of both sides is achieved in cooperation with the pressing plate 309, thereby improving the installation effect of the plugging sleeve 2;

[0090] By filling the plug with gas through the air inlet valve 403, the gas can enter the airbag 404 through the air supply pipe 402 to prop up the airbag 404, so that the inside of the pipeline body 1 is blocked after the airbag 404 expands, achieving the effect of completely blocking the pipeline when pipeline transportation is not required.

[0091] Compared with the prior art, the beneficial effects of the utility model are:

[0092] By setting the plugging and fixing mechanism, the plugging sleeve is first aligned with the pipeline body and then the plugging and fixing mechanism is inserted into the interior of the pipeline body. After the plugging sleeve is fitted with the opening of the pipeline body, the handle is used to rotate the rotating shaft, and the two pressing plates press the inner wall of the pipeline body, thereby achieving the effect of fixing the plugging sleeve, and then the plugging sleeve blocks the pipe opening of the pipeline body, which is easy to use and has high installation efficiency. By setting the airbag plugging mechanism, gas is filled into the plugger through the air inlet valve, so that the gas can enter the airbag through the air pipe to prop up the airbag, so that the inside of the pipeline body is blocked after the airbag expands, so that the pipeline can be sealed when pipeline transportation is not required. The effect of complete sealing; through the setting of the sealing reinforcement mechanism, when the sealing sleeve is installed through the sealing fixing mechanism, the threaded rod can be rotated again, so that the threaded rod moves downward under the action of the nut seat, thereby pushing the clamping plate to squeeze the outer wall of the pipeline body, and then achieving the clamping effect on both sides with the cooperation of the pressure plate, thereby improving the installation effect of the sealing sleeve; through the setting of the air outlet pipe, after the sealing sleeve is installed and the air bag is not inflated, the pipeline can be connected to the air outlet pipe and the valve can be opened, so as to achieve the effect of sealing maintenance without affecting the smooth flow of the pipeline, avoiding the situation that the pipeline can only be completely closed during sealing maintenance.

[0093] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0094] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0095] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipeline plugging device, characterized in that: The invention comprises a plugging sleeve (2), a plugging fixing mechanism (3) and a plugging reinforcement mechanism (5); the plugging sleeve (2) is open at one end and closed at the other end, and is used to be sleeved on one end of a pipeline body (1) and to seal the pipe opening of the pipeline body (1); the plugging fixing mechanism (3) is fixedly mounted on the plugging sleeve (2) and is used to fix the plugging sleeve (2) on the pipeline body (1); the plugging reinforcement mechanism (5) is mounted on the plugging sleeve (2) and is used to clamp the pipeline body (1).

2. The pipeline plugging device according to claim 1, characterized in that: The plugging and fixing mechanism (3) comprises a screw, two sliding blocks (303) and two pressure plates (309); the screw penetrates the center of the plugging sleeve (2) along the axial direction of the plugging sleeve (2), and the thread directions of the two ends are opposite; the two sliding blocks (303) are respectively threadedly sleeved on the two ends of the screw, and are respectively located in the pipeline body (1); the two pressure plates (309) are relatively installed in the pipeline body (1), are located on both sides of the screw, and are respectively distributed in parallel with the screw; the two pressure plates (309) are respectively rotatably connected to the two sliding blocks (303) through two rotating components.

3. The pipeline plugging device according to claim 2, characterized in that: One end of the screw rod extends to the outside of the other end of the blocking sleeve (2) and is fixedly connected to a rotating shaft (310), and a handle (311) is fixedly connected to the rotating shaft (310).

4. The pipeline plugging device according to claim 2, characterized in that: Each of the rotating components comprises a rotating rod (307), a first rotating seat (306) and a second rotating seat (308); the first rotating seat (306) and the second rotating seat (308) are respectively fixedly mounted on the corresponding sliding block (303) and the pressure plate (309); the two ends of the rotating rod (307) are respectively rotatably connected to the first rotating seat (306) and the second rotating seat (308) through a rotating shaft.

5. The pipeline plugging device according to claim 2, characterized in that: The pipeline body (1) is equipped with an airbag blocking mechanism (4), and the airbag blocking mechanism (4) is used to completely block the pipeline body (1) when pipeline transportation is not required.

6. The pipeline plugging device according to claim 5, characterized in that: The screw rod is a hollow screw rod (301), and is provided with an air pipe groove (401) with both ends open inside; the air bag blocking mechanism (4) comprises an air bag (404) and an air supply pipe (402), and the air supply pipe (402) passes through the air pipe groove (401); the air bag (404) is located in the pipeline body (1), and is located at the other end of the hollow screw rod (301); the air bag (404) is connected to one end of the air supply pipe (402); and an air intake valve (403) is fixedly installed at the other end of the air supply pipe (402).

7. The pipeline plugging device according to claim 6, characterized in that: The other end of the hollow screw rod (301) is rotatably connected to a baffle (302), and both sides of the hollow screw rod (301) are fixedly connected to limit rods (304), and the ends of the two limit rods (304) away from the blocking sleeve (2) are respectively fixedly connected to the baffle (302); the sides of the two limit rods (304) away from each other are relatively slidably connected to limit sliders (305), and the two limit sliders (305) are respectively fixedly connected to the two sliding blocks (303).

8. The pipeline plugging device according to any one of claims 1 to 7, characterized in that: The plugging and reinforcing mechanism (5) comprises a plurality of plugging and reinforcing components, which are evenly spaced and installed on the plugging sleeve (2) along the circumference of the plugging sleeve (2) and are respectively used to clamp the pipeline body (1).

9. The pipeline plugging device according to claim 8, characterized in that: Each of the plugging and reinforcing components comprises a fixing frame (501), a threaded rod (503) and a clamping plate (504); the fixing frame (501) is fixedly mounted on the plugging sleeve (2); the threaded rod (503) is threadedly mounted on the fixing frame (501) and extends radially of the plugging sleeve (2); and the clamping plate (504) is fixedly mounted on one end of the threaded rod (503).

10. The pipeline plugging device according to any one of claims 1 to 7, characterized in that: The other end of the blocking sleeve (2) is connected to an air outlet pipe (6), and a valve (601) is fixedly mounted on the air outlet pipe (6).

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