Pipeline hole plugging tool and operation method thereof
The pipe plugging tool with expandable support arms and rubber bladders addresses the challenges of sealing diverse pipe diameters, providing secure and easy sealing, enhancing construction efficiency.
Patent Information
- Application Number
- CN202510381945.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2025-07-15
AI Technical Summary
The existing pipeline hole blocking device has defects in the inability to seal the pressure pipeline, the large difference in the diameter of the branch pipe and the main pipe, and the difficulty in operation, resulting in construction difficulties and poor welding quality.
A pipe hole plugging tool is designed, including a polygon sleeve, a T-shaped sleeve, a supporting swing arm and a rubber tarpaulin. Through the cooperation of a multi-stage telescopic cylinder and a hinged connecting rod, an umbrella-shaped expansion is achieved to form a close contact seal.
It is achieved that the sealing area is 10 times smaller when the small hole is closed and the coverage area is 10 times larger when the large hole is closed. It is easy to operate, adapt to different pipe diameters, and improves construction efficiency and welding quality.
Smart Images

Figure CN120312924A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of pipeline plugging, and particularly relates to a pipeline hole plugging tool and an operation method thereof. Background Art
[0002] When opening a hole and connecting a branch pipe on a running pipeline, a pipeline where some valves cannot be fully closed, or a pipeline with difficult drainage, it is difficult to complete the branch pipe welding work due to the presence of water flow, resulting in problems such as difficult construction and poor welding quality.
[0003] Currently, in the engineering industry, there is only one kind of pipe plugging device, namely a rubber airbag. This device has defects such as being unable to plug a pressure pipeline, a large difference in diameter between the branch pipe and the main pipe, being unable to be removed after plugging, requiring inflation during plugging, and difficult operation. Summary of the Invention
[0004] The purpose of the present invention is to solve the disadvantages existing in the prior art, and to propose a pipeline hole plugging tool and an operation method thereof.
[0005] In order to solve the problems existing in the prior art, the present invention adopts the following technical solutions:
[0006] A pipeline hole plugging tool includes a polygonal sleeve. A battery tray is fixedly provided at the bottom end of the polygonal sleeve. A T-shaped sleeve is slidably inserted into the top port of the polygonal sleeve. A plurality of uniformly distributed U-shaped notches are provided on the T-shaped sleeve. An actively hinged support swing arm is provided inside each U-shaped notch.
[0007] In the middle of the bottom surface of each support swing arm, a U-shaped ear seat is fixedly provided. A multi-claw disc is slidably engaged inside the polygonal sleeve. A plurality of U-shaped claw teeth are fixedly provided on the multi-claw disc. An actively hinged articulated connecting rod is provided between each U-shaped claw tooth and the adjacent U-shaped ear seat.
[0008] A triangularly distributed rubber tarpaulin is provided between adjacent pairs of support swing arms. The bottom edge of each rubber tarpaulin is fixedly provided with soft rubber.
[0009] Preferably, a U-shaped bracket with a downward opening is fixedly provided on the bottom surface of the battery tray. An anti-slip grip is fixedly provided at the opening bottom of the U-shaped bracket.
[0010] Preferably, a polygonal block is fixedly provided inside the top port of the polygonal sleeve. A tension spring is fixedly provided in the middle of the top surface of the polygonal block. The top end of the tension spring is fixedly inserted into the T-shaped sleeve.
[0011] Preferably, a plurality of oblique notches are provided at the top end of the polygonal sleeve. A plurality of uniformly distributed rectangular sliding holes are provided on the outer side surface of the polygonal sleeve. Each U-shaped claw tooth is slidably inserted into the corresponding rectangular sliding hole.
[0012] Preferably, a multi-stage telescopic cylinder with an upward output end is fixedly installed on the inner bottom wall of the polygonal sleeve. The end of the telescopic rod of the multi-stage telescopic cylinder is fixedly connected through the middle of the multi-claw disc. The multi-stage telescopic cylinder is electrically connected to the battery disc.
[0013] Preferably, a hollow cotton strip is fixedly installed on the outer side surface of each support swing arm. An arc-shaped notch is formed in the upper middle part of each hollow cotton strip.
[0014] Preferably, a hemispherical cover is fixedly installed on the top surface of the T-shaped sleeve. A conical hollow cover is sleeved on the top end of the T-shaped sleeve. The bottom edge of the conical hollow cover is placed in a plurality of arc-shaped notches.
[0015] Preferably, a pair of elliptical long grooves are formed in the two side walls of the support swing arm. A pair of elliptical long strips are fixedly installed on the two side edges of the rubber tarpaulin. Each elliptical long strip is pasted in the corresponding elliptical long groove.
[0016] Preferably, a fixing buckle for snap-locking is inserted at the bottom end of each support swing arm. The two side surfaces of the fixing buckle are fixedly connected to a pair of adjacent soft rubber.
[0017] The present invention also provides an operation method for a pipeline hole plugging tool, including the following steps:
[0018] Step 1, during pipeline hole plugging operation, insert the polygonal sleeve into the pipeline opening. Control the telescopic rod of the multi-stage telescopic cylinder to extend, driving the multi-claw disc and a plurality of U-shaped claw teeth to slide upward along the polygonal sleeve and a plurality of rectangular sliding holes;
[0019] Step 2, under the hinge action of the hinge connecting rod, drive a plurality of support swing arms to slowly unfold in an umbrella shape, synchronously drive a plurality of rubber tarpaulins and soft rubber to unfold, and drive a plurality of hollow cotton strips to abut against the pipeline opening;
[0020] Step 3, as the liquid pressure in the pipeline increases, drive the hemispherical cover and the T-shaped sleeve to slide downward along the top port of the polygonal sleeve, and drive the tension spring to be compressed and deformed. Synchronously drive the conical hollow cover to form close contact with a plurality of hollow cotton strips and rubber tarpaulins, thereby completing the pipeline hole plugging operation.
[0021] Compared with the prior art, the beneficial effects of the present invention are:
[0022] The present invention can be adjusted for contraction in the shape of an umbrella. When retracted, it can pass through a hole 10 times smaller than the area it can block. When unfolded, it can cover an area 10 times larger than the hole it enters, and the operation is convenient. Description of the Drawings
[0023] The accompanying drawings described herein are used to provide a further understanding of the present invention and form a part of this application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:
[0024] Figure 1 is a schematic diagram of the overall structure of the present invention;
[0025] Figure 2 is a schematic sectional view of the overall structure of the present invention;
[0026] Figure 3 is an exploded schematic diagram of the overall structure of the present invention;
[0027] Figure 4 is a schematic diagram of several support swing arms and a rubber tarpaulin structure of the present invention;
[0028] Reference numerals in the figures: 1, polygonal sleeve; 2, battery tray; 3, U-shaped bracket; 4, anti-slip grip; 5, polygonal stopper; 6, tension spring; 7, T-shaped sleeve; 8, hemispherical cover; 9, conical hollow cover; 10, support swing arm; 11, hollow cotton strip; 12, fixed buckle; 13, multi-stage telescopic cylinder; 14, multi-claw disc; 15, articulated connecting rod; 16, rubber tarpaulin; 17, elliptical strip; 18, soft rubber. Detailed Embodiment
[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.
[0030] Embodiment 1: This embodiment provides a pipeline hole plugging tool. Refer to Figures 1-4 , specifically, it includes a polygonal sleeve 1. A battery tray 2 is fixedly provided at the bottom end of the polygonal sleeve 1. A U-shaped bracket 3 with an opening facing downwards is fixedly provided on the bottom surface of the battery tray 2. An anti-slip grip 4 is fixedly provided at the opening bottom of the U-shaped bracket 3. A T-shaped sleeve 7 is slidably inserted into the top port of the polygonal sleeve 1. A plurality of uniformly distributed U-shaped notches are provided on the T-shaped sleeve 7, and a support swing arm 10 with a movable hinge is provided inside each U-shaped notch;
[0031] A U-shaped ear seat is fixedly provided in the middle of the bottom surface of each support swing arm 10. A multi-claw disc 14 is slidably engaged inside the polygonal sleeve 1. A plurality of U-shaped claw teeth are fixedly provided on the multi-claw disc 14. An articulated connecting rod 15 with a movable hinge is provided between each U-shaped claw tooth and the adjacent U-shaped ear seat; Under the hinge action of the articulated connecting rod 15, a plurality of support swing arms 10 are driven to slowly unfold in an umbrella shape, synchronously driving a plurality of rubber tarpaulins 16 and soft rubber 18 to unfold, and driving a plurality of hollow cotton strips 11 to abut against the pipeline opening;
[0032] A triangularly distributed rubber tarpaulin 16 is provided between each adjacent pair of support swing arms 10, and a soft rubber 18 is fixedly provided at the bottom edge of each rubber tarpaulin 16.
[0033] In the specific implementation process, as Figure 2 and Figure 4 shown, a plurality of inclined notches are provided at the top end of the polygonal sleeve 1, and a plurality of uniformly distributed rectangular sliding holes are provided on the outer side surface of the polygonal sleeve 1. Each U-shaped claw tooth is slidably inserted into the corresponding rectangular sliding hole;
[0034] A multi-stage telescopic cylinder 13 with an upward output end is fixedly provided on the inner bottom wall of the polygonal sleeve 1. The end of the telescopic rod of the multi-stage telescopic cylinder 13 is fixedly connected through the middle of the multi-claw disc 14. The multi-stage telescopic cylinder 13 is electrically connected to the battery disc 2; when the telescopic rod of the multi-stage telescopic cylinder 13 extends, it drives the multi-claw disc 14 and a plurality of U-shaped claw teeth to slide upward along the polygonal sleeve 1 and a plurality of rectangular sliding holes.
[0035] It should be noted that: in this embodiment, a pair of elliptical long grooves are provided on both side walls of the support swing arm 10. A pair of elliptical strips 17 are fixedly provided on both sides of the rubber tarpaulin 16. Each elliptical strip 17 is pasted in the corresponding elliptical long groove. The elliptical strip 17 can be pasted with strong glue, which is convenient for later disassembly and replacement;
[0036] A fixed buckle 12 for snap-locking is inserted at the bottom end of each support swing arm 10. Both side surfaces of the fixed buckle 12 are fixedly connected to an adjacent pair of soft rubbers 18. Since the rubber tarpaulin 16 is easily worn, the soft rubber 18 and the rubber tarpaulin 16 are disassembled and assembled through the fixed buckle 12.
[0037] Embodiment 2: On the basis of Embodiment 1, this embodiment further includes:
[0038] In the specific implementation process, as Figure 2 and Figure 4 shown, a polygonal stopper 5 is fixedly provided in the top port of the polygonal sleeve 1. A tension spring 6 is fixedly provided in the middle of the top surface of the polygonal stopper 5. The top end of the tension spring 6 is fixedly inserted into the T-shaped sleeve 7; under the hinge action of the hinge connecting rod 15, a plurality of support swing arms 10 are driven to slowly unfold in an umbrella shape, synchronously driving a plurality of rubber tarpaulins 16 and soft rubbers 18 to unfold, and driving a plurality of hollow cotton strips 11 to abut against the pipe openings;
[0039] A hollow cotton strip 11 is fixedly provided on the outer side surface of each support swing arm 10, and an arc-shaped notch is provided in the middle and upper part of each hollow cotton strip 11;
[0040] A hemispherical cover 8 is fixedly arranged on the top surface of the T-shaped sleeve 7. A conical hollow cover 9 is sleeved on the top end of the T-shaped sleeve 7, and the bottom edge of the conical hollow cover 9 is placed in a plurality of arc-shaped notches; the conical hollow cover 9 is in close contact with a plurality of hollow cotton strips 11 and a rubber tarpaulin 16, thereby completing the operation of plugging the hole in the pipeline.
[0041] Specifically, the working principle and operation method of the present invention are as follows:
[0042] Step 1, during the operation of plugging the hole in the pipeline, insert the polygonal sleeve 1 into the pipeline opening, control the telescopic rod of the multi-stage telescopic cylinder 13 to extend, and drive the multi-claw disc 14 and a plurality of U-shaped claw teeth to slide upward along the polygonal sleeve 1 and a plurality of rectangular sliding holes;
[0043] Step 2, under the hinge action of the hinge connecting rod 15, drive a plurality of support swing arms 10 to slowly unfold in an umbrella shape, synchronously drive a plurality of rubber tarpaulins 16 and soft rubber 18 to unfold, and drive a plurality of hollow cotton strips 11 to abut against the pipeline opening;
[0044] Step 3, as the liquid pressure in the pipeline increases, drive the hemispherical cover 8 and the T-shaped sleeve 7 to slide downward along the top port of the polygonal sleeve 1, and drive the tension spring 6 to be compressed and deformed, synchronously drive the conical hollow cover 9 to be in close contact with a plurality of hollow cotton strips 11 and a rubber tarpaulin 16, thereby completing the operation of plugging the hole in the pipeline.
[0045] The present invention can be adjusted in a retractable manner like an umbrella. When retracted, it can pass through a hole that is 10 times smaller than the area it can block. When opened, it can cover an area that is 10 times larger than the hole it enters, and the operation is convenient.
[0046] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.
Claims
1. A pipeline hole plugging tool, comprising a polygonal sleeve (1), characterized in that: A battery tray (2) is fixedly installed at the bottom end of the polygonal sleeve (1). A T-shaped sleeve (7) is slidably inserted into the top port of the polygonal sleeve (1). A number of uniformly distributed U-shaped notches are formed on the T-shaped sleeve (7), and a support swing arm (10) with a movable hinge is arranged inside each U-shaped notch. A U-shaped ear seat is fixedly installed in the middle of the bottom surface of each support swing arm (10). A multi-claw disc (14) is slidably engaged inside the polygonal sleeve (1). A number of U-shaped claw teeth are fixedly installed on the multi-claw disc (14), and a hinge connecting rod (15) with a movable hinge is arranged between each U-shaped claw tooth and the adjacent U-shaped ear seat. A rubber tarpaulin (16) with a triangular distribution is arranged between each adjacent pair of support swing arms (10). A soft rubber (18) is fixedly installed at the bottom edge of each rubber tarpaulin (16).
2. The pipe hole plugging tool according to claim 1, characterized in that: A U-shaped bracket (3) with an opening facing downwards is fixedly installed on the bottom surface of the battery tray (2). An anti-slip grip (4) is fixedly installed at the bottom of the opening of the U-shaped bracket (3).
3. The pipe hole plugging tool according to claim 2, characterized in that: A polygonal stopper (5) is fixedly installed inside the top port of the polygonal sleeve (1). A tension spring (6) is fixedly installed in the middle of the top surface of the polygonal stopper (5), and the top end of the tension spring (6) is fixedly inserted into the T-shaped sleeve (7).
4. The pipe hole plugging tool according to claim 3, characterized in that: A number of inclined notches are formed at the top end of the polygonal sleeve (1). A number of uniformly distributed rectangular sliding holes are formed on the outer side surface of the polygonal sleeve (1), and each U-shaped claw tooth is slidably inserted into the corresponding rectangular sliding hole.
5. The pipe hole plugging tool according to claim 4, characterized in that: A multi-stage telescopic cylinder (13) with an output end facing upwards is fixedly installed on the inner bottom wall of the polygonal sleeve (1). The end of the telescopic rod of the multi-stage telescopic cylinder (13) is fixedly connected through the middle of the multi-claw disc (14), and the multi-stage telescopic cylinder (13) is electrically connected to the battery tray (2).
6. The pipeline hole plugging tool according to claim 5, wherein: A hollow cotton strip (11) is fixedly installed on the outer side surface of each support swing arm (10). An arc-shaped notch is formed in the upper middle part of each hollow cotton strip (11).
7. The pipe hole plugging tool according to claim 6, characterized in that: A hemispherical cover (8) is fixedly installed on the top surface of the T-shaped sleeve (7). A conical hollow cover (9) is sleeved on the top end of the T-shaped sleeve (7), and the bottom edge of the conical hollow cover (9) is placed in a number of arc-shaped notches.
8. The pipe hole plugging tool according to claim 7, characterized in that: A pair of elliptical long grooves are formed on the two side walls of the support swing arm (10). A pair of elliptical long strips (17) are fixedly installed on the two side edges of the rubber tarpaulin (16), and each elliptical long strip (17) is pasted in the corresponding elliptical long groove.
9. The pipe hole plugging tool according to claim 8, characterized in that: A fixed buckle (12) with a snap fit is inserted at the bottom end of each support swing arm (10), and the two side surfaces of the fixed buckle (12) are fixedly connected to the adjacent pair of soft rubbers (18).
10. The operating method of a pipeline hole plugging tool according to claim 9, characterized in that, Including the following steps: Step 1, during the operation of plugging the hole of the pipeline, insert the polygonal sleeve (1) into the opening of the pipeline, control the telescopic rod of the multi-stage telescopic cylinder (13) to extend, and drive the multi-claw disc (14) and a number of U-shaped claw teeth to slide upwards along the polygonal sleeve (1) and a number of rectangular sliding holes. Step 2: Under the articulation of the articulated connecting rod (15), drive a number of support swing arms (10) to slowly unfold in an umbrella shape, simultaneously drive a number of rubber tarpaulins (16) and soft rubber (18) to unfold, and drive a number of hollow cotton strips (11) to abut against the pipe openings; Step 3: As the liquid pressure in the pipe increases, drive the hemispherical cover (8) and the T-shaped sleeve (7) to slide downward along the top port of the polygonal sleeve (1), and drive the tension spring (6) to be compressed and deformed. Simultaneously drive the conical hollow cover (9) to form close contact with a number of hollow cotton strips (11) and rubber tarpaulins (16), thereby completing the pipe hole plugging operation.